CN111940628B

CN111940628B - Battery compartment top cap location is with revolving stage and is had processingequipment of this revolving stage

Info

Publication number: CN111940628B
Application number: CN202010771200.2A
Authority: CN
Inventors: 邹健
Original assignee: Jiangxi Bozhan Automation Technology Co ltd
Current assignee: JIANGXI BOZHAN AUTOMATION TECHNOLOGY Co.,Ltd.
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-06-18
Anticipated expiration: 2040-08-04
Also published as: CN111940628A

Abstract

The invention discloses a rotating platform for positioning a top cover of a battery compartment and a processing device with the rotating platform, wherein the rotating platform comprises a rotating platform supporting seat, the rotating platform supporting seat is rotatably provided with a rotating platform, and the rotating platform supporting seat is also provided with a rotating platform driving device for driving the rotating platform to rotate; the rotary table supporting seat is connected with a pneumatic universal joint lower die supporting seat communicated with the rotary supporting gas circulation cavity, the pneumatic universal joint lower die supporting seat is provided with a hollow lower die supporting gas circulation cavity, the top end of the lower die supporting seat is provided with a plurality of lower die supporting gas suction holes communicated with the lower die supporting gas circulation cavity, the lower die supporting seat is also provided with a lower die supporting input port communicated with the lower die supporting gas circulation cavity, and the lower die supporting seat is also provided with a punching abdicating hole; the rotary table is also provided with an annular gas circulation pipe. The lower die supporting seat can provide a lower die unit structure for a stamping process and a stable positioning structure for a punching process, so that the production cost can be reduced, and the production quality can be improved.

Description

Battery compartment top cap location is with revolving stage and is had processingequipment of this revolving stage

Technical Field

The invention belongs to the technical field of new energy vehicle power, and particularly relates to a rotating table for positioning a battery compartment top cover and a processing device with the rotating table.

Background

The battery compartment mainly bears the bearing and protecting functions of the battery module, the circuit equipment and the electronic accessories and generally comprises an upper shell assembly, a sealing system and a lower shell assembly. In order to meet the requirements of high safety and high reliability, the battery compartment has stronger impact resistance, collision resistance and extrusion resistance; meanwhile, in order to increase the endurance mileage, the battery compartment should also meet the requirement of lightweight design.

Although the upper housing assembly is not a load bearing member, in practice, the top cover of the upper housing assembly is still subject to impact. After experimental analysis, calculation and iteration such as random vibration (simulating vibration caused by an uneven road surface to the battery compartment in the driving process of a vehicle), mechanical impact (simulating mechanical impact caused by acceleration and deceleration of the vehicle and the fact that wheels pass through the uneven road surface to the battery compartment), simulation extrusion (simulating extrusion caused by the battery compartment in the transportation, storage and use processes and the collision process of the vehicle) and the like are carried out on the battery compartment, a battery compartment top cover appearance optimization diagram shown in figure 1 is obtained, and reinforcing ribs with different heights can be punched in corresponding areas of the battery compartment top cover according to the diagram to improve the strength of the battery compartment top cover, as shown in figure 2.

In addition, go up the main effect of casing assembly and be sealed battery compartment, in order to realize connecting, can punch the processing all around at the top cap. At present, the punching and punching operations of the top cover can cause the following problems: in the stamping process, because the auxiliary structure of the reserved concave area is not arranged, when the reinforcing rib area is stamped, the sheet metal plate is very easy to stretch and deform to adapt to the concave-convex structure, so that the sheet metal plate after deformation and thinning can influence the rigidity of the top cover, and further can influence the impact resistance, collision resistance and extrusion resistance of the battery compartment. In addition, when the forming position of the reinforcing rib is deep or narrow, the semi-finished product of the top cover is very easy to be clamped on a die, so that the situation of difficult demoulding occurs. In the process of punching, the top cap after the punching press has unevenness's structure to be convenient for fix a position it, so at present often punch the operation through artifical handheld top cap, like this, not only waste time and energy, still can influence the quality of punching.

Disclosure of Invention

Aiming at the defects of the prior art, the rotating table for positioning the top cover of the battery compartment can provide the same supporting and positioning structure to be applied to the stamping process and the punching process step by step, so that the production cost can be reduced, and the production quality can be improved. The processing device for the top cover of the battery compartment, disclosed by the invention, can be used for solving the problems, reducing the tensile deformation degree of a reinforcing rib area of the top cover of the battery box body and improving the impact resistance, collision resistance and extrusion resistance of the top cover.

In order to solve the technical problems, the invention adopts the following technical scheme:

the rotating platform for positioning the battery compartment top cover comprises a rotating platform supporting seat, wherein a rotating platform is rotatably arranged on the rotating platform supporting seat, and a rotating platform driving device for driving the rotating platform to rotate is further arranged on the rotating platform supporting seat;

the rotary table supporting seat is provided with a hollow rotary supporting gas circulation cavity, a supporting seat gas inlet communicated with the rotary supporting gas circulation cavity is arranged on the rotary table supporting seat, and a pneumatic universal joint communicated with the rotary supporting gas circulation cavity is connected to the rotary table supporting seat;

the rotary table is provided with a plurality of positioning stations which are annularly arranged on the rotary table, a lower die unit driving device is arranged on each positioning station, and the output end of each lower die unit driving device is connected with a lower die unit;

the lower die unit comprises a lower die supporting seat, and the top end of the lower die supporting seat is provided with a lower die middle groove positioned in the middle area and two lower die end groove assemblies positioned on two sides of the lower die middle groove;

the lower die supporting seat is provided with a hollow lower die supporting gas circulation cavity, the top end of the lower die supporting seat is provided with a plurality of lower die supporting gas suction holes communicated with the lower die supporting gas circulation cavity, the lower die supporting seat is also provided with a lower die supporting input port communicated with the lower die supporting gas circulation cavity, and the lower die supporting seat is also provided with a punching abdicating hole;

the rotary table is further provided with a gas annular circulation pipe, a plurality of annular pipe input ports and a plurality of annular pipe output ports corresponding to the plurality of positioning stations are formed in the gas annular circulation pipe, the annular pipe input ports are communicated with the pneumatic universal joints through ventilation hoses, and the annular pipe output ports are communicated with the lower die support input ports through the ventilation hoses.

According to the invention, the air inlet of the supporting seat is communicated with the vacuum generator, negative pressure can be formed in the rotary supporting gas circulation cavity by starting the vacuum generator, further, the lower mold supporting gas circulation cavity on each positioning station can also form negative pressure by virtue of the gas annular circulation pipe, and finally, the adsorption operation is carried out by virtue of the lower mold supporting air suction holes. The shape of the lower die middle groove and the lower die end groove component can be set according to the design requirement of the top cover reinforcing rib.

Each positioning station on the rotating table can be divided into a stamping station, a punching station and other stations. When specific lower mould supporting seat rotated to punching press station department, then can carry out the punching press operation, specifically, the punching press station still should be equipped with the last mould unit of lower mould unit matching, will wait to process panel and place on the lower mould supporting seat, through the cooperation of lower mould supporting seat, lower mould middle part recess and lower mould tip groove component and last mould unit, then can punch out specific top cap shape. And then starting the vacuum generator, so that a negative pressure is formed in a lower die supporting gas flow cavity of the lower die supporting seat, and a top cover semi-finished product after stamping is adsorbed by supporting the suction holes with the help of the lower die, and then, starting the lower die unit driving device to move down the lower die unit to reset, at the moment, rotating the lower die supporting seat to a punching station, and because the top end surface of the lower die supporting seat is completely matched with the shape of the top cover semi-finished product and has an adsorption effect, the equipment can automatically punch the top cover semi-finished product or manually punch the top cover semi-finished product through an operator.

Wherein, punch the hole of stepping down and then set for according to the position of punching of top cap in advance, like this, then can step down the hole puncher when punching, avoid damaging the lower mould supporting seat.

Wherein, through the setting of pneumatic universal joint, also can not take place the winding problem of breather hose when rotatory jump is rotated. The annular gas circulation pipe can be provided with the solenoid valve switch in every annular pipe delivery outlet department, can carry out independent control to the condition of ventilating of each lower mould supporting seat like this, so, more do benefit to each process synchronous operation's reliability and stability.

Furthermore, the lower die middle groove is provided with two middle concave sections which are bilaterally symmetrically arranged and are arranged at intervals, a lower die middle abdicating notch is also formed in the lower die supporting seat in the area between the two middle concave sections, a lower die middle ejecting piece is movably arranged at the lower die middle abdicating notch, and a lower die middle ejecting piece driving device for driving the lower die middle ejecting piece to move up and down is also arranged on the lower die supporting seat;

the lower die end groove component comprises at least two lower die end grooves, a lower die end part abdicating notch is further formed in the area, between the two adjacent lower die end grooves, of the lower die supporting seat, a lower die end part ejecting piece is movably arranged at the lower die end part abdicating notch, and a lower die end part ejecting piece driving device used for driving the lower die end part ejecting piece to move up and down is further arranged on the lower die supporting seat;

the lower die supporting seat is also provided with a lower die supporting output port communicated with the lower die supporting gas circulation cavity;

the lower die middle ejection piece is provided with a hollow lower die middle circulation cavity, the top end of the lower die middle ejection piece is provided with a plurality of lower die middle air suction holes communicated with the lower die middle circulation cavity, and the lower die middle ejection piece is also provided with a lower die middle input port communicated with the lower die middle circulation cavity;

the lower die end part ejecting piece is provided with a hollow lower die end part circulation cavity, the top end of the lower die end part ejecting piece is provided with a plurality of lower die end part air suction holes communicated with the lower die end part circulation cavity, and the lower die end part ejecting piece is also provided with a lower die end part input port communicated with the lower die end part circulation cavity;

and the lower die middle input port and the lower die end input port are communicated with the lower die support output port through the vent hoses.

According to the invention, the lower die middle ejector can be moved up and down through the lower die middle ejector driving device, and the lower die end ejector can be moved up and down through the lower die end ejector driving device. The punching station is also provided with an upper die unit matched with the lower die unit, a plate to be processed is placed on the lower die supporting seat, and a specific top cover shape can be punched through the matching of the lower die middle ejection piece, the lower die end ejection piece, the lower die middle groove and the lower die end groove component with the upper die unit. At the moment, the height positions of the middle ejector and the end ejector of the lower die relative to the lower die supporting seat are maintained. Restart vacuum generator, at this moment the lower mould supports the gas circulation chamber, lower mould middle part circulation chamber and lower mould tip circulation intracavity all form the negative pressure, support the suction hole with the help of the lower mould, lower mould middle part suction hole and lower mould tip suction hole can adsorb the semi-manufactured goods of top cap after the punching press more stably, restart lower mould unit drive arrangement and move down the lower mould unit and reset, at this moment, rotate this lower mould supporting seat to the station department that punches, because the top face of lower mould supporting seat matches completely and adds the adsorption effect with the shape of top cap semi-manufactured goods this moment, equipment then can carry out automatic punching operation or carry out the manual punching operation through the operator to top cap semi-manufactured goods.

A battery compartment top cover processing device comprises an upper die unit and a battery compartment top cover positioning rotary table as described in any item, wherein the upper die unit is over against any lower die unit in a plurality of lower die units;

the upper die unit comprises an upper die supporting seat, the bottom end of the upper die supporting seat is provided with an upper die middle bulge matched with the lower die middle groove in the lower die unit and two end bulge assemblies positioned on two sides of the upper die middle bulge, and the end bulge assemblies are matched with the lower die end groove assemblies in the lower die unit;

the middle part of the upper die is provided with two middle part convex sections matched with the middle part concave section, and the area between the two middle part convex sections is a middle part concave reserved area;

the upper die supporting seat is provided with a hollow upper die middle mounting cavity, a plurality of upper die middle reserved openings which are arranged at intervals and communicated with the upper die middle mounting cavity are formed in the middle inwards concave reserved area at the bottom end of the upper die supporting seat, and the plurality of upper die middle reserved openings are arranged on the upper die supporting seat in the front-back direction;

a plurality of middle reserved ejecting pieces capable of penetrating through the middle reserved opening of the upper die are arranged in the upper die middle mounting cavity;

go up the mould mid-mounting intracavity and still be provided with the middle part and reserve a drive arrangement, the middle part is reserved a drive arrangement and is acted on the middle part and reserves a piece for make: the middle reserved top piece can be protruded downwards or accommodated in the middle reserved opening of the upper die.

In the invention, when the specific lower die supporting seat rotates to the stamping process, the lower die supporting seat can be moved upwards by the lower die unit driving device to carry out stamping operation. The two middle raised sections are arranged in bilateral symmetry and are arranged at intervals.

The shape and the position of the middle part of the upper die are convex and can be set according to the design requirement of the top cover reinforcing rib. The lower die unit is matched with the upper die unit, and the required shape can be punched on the plate by combining the lower die unit and the upper die unit so as to meet the strength requirement of the top cover of the battery box body. The arrangement of the middle protruding section is designed according to the shape optimization diagram of the top cover, and as can be seen from fig. 2, the depth of the area to be processed in the middle concave reserved area is shallow and the width (seen from left and right directions) is large, so that the middle reserved ejecting piece is designed, enough material to be punched can be reserved in advance for the concave-convex structure in the middle area of the top cover, the tensile deformation of the plate in the area is reduced, and the strength of the middle of the top cover can be improved. The lower mould middle part breach of stepping down can step down the position of lower mould middle part ejector pin, and the lower mould tip breach of stepping down can step down the position of reserving the ejector pin, so can avoid the lower mould supporting seat to influence the reservation work that the ejector pin was reserved to the middle part and tip at last in-process that moves.

In the zero position state, the middle reserved ejecting piece is driven to downwards protrude into the middle reserved opening of the upper die through the middle reserved ejecting piece driving device, and the downwards protruding length is designed in advance according to the shape of the top cover. The lower die unit is driven by the lower die unit driving device to be positioned below the upper die unit and to maintain a sufficient distance from the upper die unit. To treat that processing panel places on the lower mould supporting seat, starts lower mould unit drive arrangement again and makes its drive lower mould supporting seat shift up, at this in-process, go up the bottom that the middle part region just right waited to process panel then can contact the middle part earlier and reserve the liftout, along with shifting up of lower mould supporting seat, the panel of treating of liftout both sides is reserved at the middle part then can continue to shift up, at this moment, treat that processing panel then has reserved the panel of treating of sufficient volume in the middle part indent reservation region. After the lower die supporting seat and the upper die supporting seat are combined to complete the stamping operation on the plate to be processed, the middle part of the rethread middle part is reserved for the ejector driving device to move upwards, the ejector driving device moves upwards to reserve the ejector in the middle part of the upper die and is accommodated in the reserved opening in the middle part of the upper die, and then the plate to be processed in the middle concave reserved area is stamped by the ejector driving device in the middle part of the lower die.

Wherein, the interval setting of mould middle part preformed opening on a plurality of, except can reserving the ejector part cooperation with the middle part, can also form in the bottom of middle part indent reserved area can with lower mould middle part ejector part complex punching press contact surface.

Reserve the work of reserving the panel of kicking piece to middle part indent reservation region in order to realize the middle part, furtherly, the output that kicking piece drive arrangement was reserved in the middle part is connected with can be relative go up the middle part that the mould supporting seat reciprocated and reserve the link, be provided with a plurality of on the link is reserved in the middle part the kicking piece is reserved in the middle part, and the kicking piece is reserved in a plurality of middle part can be corresponding with the mould middle part reservation opening on a plurality of respectively.

In the invention, the length of the middle reserved ejecting piece is adapted to the length of the middle reserved opening of the upper die. The middle reserved ejecting piece is arranged, the reserved work of the middle inwards-concave reserved area plate can be achieved, meanwhile, the plate can be effectively prevented from being deeply folded, and therefore the plate can be effectively prevented from being damaged.

Furthermore, the upper die supporting seat is symmetrically provided with upper die limiting grooves which are positioned in the middle mounting cavity of the upper die from front to back, and each upper die limiting groove is provided with a left sliding groove section, a right sliding groove section corresponding to the left sliding groove section, and an upper sliding groove section which is perpendicular to the left sliding groove section and positioned between the left sliding groove section and the right sliding groove section; a left sliding block is arranged in the left sliding groove section in a sliding mode, a right sliding block is arranged in the right sliding groove section in a sliding mode, an upper sliding block is arranged in the upper sliding groove section in a sliding mode, the upper sliding blocks in the two upper die limiting grooves are connected with the same upper sliding support rod together, the left sliding blocks in the two upper die limiting grooves are connected with the same left sliding support rod together, and the right sliding blocks in the two upper die limiting grooves are connected with the same right sliding support rod together;

the middle reserved ejection pieces are divided into a left middle reserved ejection piece group and a right middle reserved ejection piece group, the top end part of the middle reserved ejection piece of the left middle reserved ejection piece group is hinged to the upper sliding support rod, the middle part of the middle reserved ejection piece of the left middle reserved ejection piece group is hinged to the left sliding support rod, the top end part of the middle reserved ejection piece of the right middle reserved ejection piece group is hinged to the upper sliding support rod, and the middle part of the middle reserved ejection piece of the right middle reserved ejection piece group is hinged to the right sliding support rod;

the middle reserved ejecting piece driving device is connected with the upper sliding block and acts on the upper sliding block, so that: the upper sliding block can move up and down along the upper sliding groove section.

According to the invention, the upper sliding block is matched with the upper sliding groove section, and the left sliding block is matched with the left sliding groove section, so that when the upper sliding block moves up and down, the middle reserved ejecting piece in the left middle reserved ejecting piece group can move in an elliptic arc shape along the track. The cooperation of last sliding block and last sliding tray section and the cooperation of right sliding block and right sliding tray section, when reciprocating the last sliding block, can make the middle part in the top group is reserved to right middle part reserve the top spare and make the orbit for the removal of elliptical arc.

As shown in fig. 2, the present invention is suitable for the case where the middle recessed reserve area has a shallow depth and a large width. When the upper die is in a zero position state, the middle reserved ejecting piece driving device drives the upper sliding block to move upwards to the highest position, and at the moment, the left middle reserved ejecting piece group and the right middle reserved ejecting piece group protrude outwards from the middle reserved opening of the upper die and are located at the lowest position. The plate to be processed is placed on the lower die unit, the lower die unit driving device is started to drive the lower die unit to move upwards, the plate to be processed, which is right opposite to the middle area on the upper die supporting seat, can firstly contact the bottom end of the middle reserved ejecting piece in the left middle reserved ejecting piece group and the right middle reserved ejecting piece group, along with the upward movement of the lower die unit, the plate to be processed, on two sides of the middle reserved ejecting piece, can continuously move upwards, and at the same time, the plate to be processed reserves enough plate to be processed in the middle inwards concave reserved area. Meanwhile, the middle reserved ejecting piece driving device is started to drive the sliding block to move downwards step by step, in the process, the left middle reserved ejecting piece group can move leftwards and move in an elliptic arc shape along the track until the left middle reserved ejecting piece group is stored in the upper die middle reserved opening, and the right middle reserved ejecting piece group can move rightwards in an elliptic arc shape along the track until the right middle reserved opening is stored in the upper die middle reserved opening. After the lower die unit and the upper die unit are combined to complete the stamping operation of the plate to be processed, the middle part of the upper die is reserved in an opening, and then the middle.

Compared with the common arc-shaped track, the elliptic arc-shaped motion track can reduce the length of the middle reserved top part under the coverage area with the same width (left and right directions).

Furthermore, the end part protrusion assembly comprises at least two upper die end part protrusions matched with the lower die end part grooves, and an area between two adjacent upper die end part protrusions is an end part concave reserved area;

an end part concave reserved component corresponding to the end part concave reserved area is further installed on the upper die supporting seat;

the end part inwards-concave reserved assembly comprises an upper die end part installation cavity positioned in the upper die supporting seat, at least two upper die end part reserved openings which are arranged at intervals and communicated with the upper die end part installation cavity are formed in the end part inwards-concave reserved area at the bottom end of the upper die supporting seat, and the at least two upper die end part reserved openings are arranged on the upper die supporting seat in the left-right direction;

the subassembly is reserved to tip indent still includes and reserves the ejector pin with the tip that last mould tip preformed opening corresponds, the spacing mouth of bar has been seted up on the tip reserved ejector pin, the subassembly is reserved to the tip indent still including being located the reserve bracing piece of last mould tip installation intracavity, reserve the bracing piece and run through the spacing mouth of bar that two at least tip reserved the ejector pin, and reserve the bracing piece about both ends all link to each other with last mould supporting seat, be provided with in the spacing mouth of bar and reserve the elastic component, the upper and lower both ends of reserving the elastic component act on the bottom of reserving the bracing piece and the bottom of the spacing mouth of: the lower end part of the end part reserved ejector rod penetrates through the upper die end part reserved opening and is positioned below the upper die end part reserved opening, and when the end part reserved ejector rod is moved upwards, the end part reserved ejector rod can compress the reserved elastic piece and is accommodated in the upper die end part reserved opening;

the end part concave reserved assembly further comprises a height locking assembly capable of locking the height positions of the plurality of end part reserved ejector rods.

In the invention, the shape and the position of the bulge at the end part of the upper die can be set according to the design requirement of the top cover reinforcing rib. As can be seen from fig. 2, the depth and width (viewed from the front-rear direction) of the region to be processed in the end portion concave reserved region are relatively deep, and therefore, the end portion concave reserved assembly is designed, and can reserve enough material to be punched for the concave-convex structure of the end portion region of the top cover in advance, so that the tensile deformation of the plate in the region is reduced, and the strength of the end portion of the top cover can be improved.

In the zero position state of the invention, under the action of the reserved elastic piece, the bottom ends of the end part reserved ejector rods extend out of the reserved opening of the upper die end part, the height positions of the end part reserved ejector rods are locked by the height locking assembly, and the extension lengths of the end part reserved ejector rods are designed in advance according to the shape of the top cover. The lower die unit is driven by the lower die unit driving device to be positioned below the upper die unit and to maintain a sufficient distance from the upper die unit. The plate to be processed is placed on the lower die unit, the lower die unit driving device is started to drive the lower die supporting seat to move upwards, the plate to be processed, which is right opposite to the upper end area of the upper die supporting seat, can contact the bottom end of the end reserved ejector rod firstly in the process, the plate to be processed on two sides (front side and rear side) of the end reserved ejector rod can move upwards continuously along with the movement of the lower die supporting seat, and at the moment, the plate to be processed is reserved in the end inwards concave reserved area by a sufficient amount of the plate to be processed. After the lower die supporting seat and the upper die supporting seat are combined to complete the stamping operation on the plate to be processed, the height locking of the end reserved ejector rod is released through the height locking assembly, then the lower die end ejector piece is moved upwards through the lower die end ejector piece driving device to perform stamping operation on the plate to be processed in the end inwards concave reserved area, and in the process, the end reserved ejector rod can be compressed to reserve the elastic piece to be stored in the upper die reserved opening.

Wherein, mould reservation open-ended interval setting on two at least tip, except can stepping down the tip and reserve the ejector pin, can also form in tip indent reservation region's bottom can with lower mould tip ejector part complex punching press contact surface. The independent setting of ejector pin is reserved to a plurality of tip, can carry out the gentle operation of reserving to the panel of tip indent reservation region, avoids it to take place the darker phenomenon of buckling of vestige.

In addition, when the movable end part punching structure of the lower die unit is withdrawn, the end part reserved ejector rod can reset under the action of the reserved elastic piece, and at the moment, the punched semi-finished top cover product can be ejected out so as to realize the blanking work of the semi-finished top cover product.

In order to realize the quick locking and quick releasing operation of the height locking assembly on the end part reserved ejector rod, the height locking assembly further comprises an ejector rod abutting part arranged on the end part reserved ejector rod;

the height locking assembly further comprises a height locking driving device arranged on the upper die supporting seat, the output end of the height locking driving device is connected with a height locking block, and the height locking driving device acts on the height locking block, so that: the height locking block can act on the outer surface of the ejector rod abutting piece, and two adjacent ejector rod abutting pieces can be tightly abutted in the upper die end installation cavity.

According to the invention, when the end part reserved ejector rods need to be locked, the height locking block is moved by the height locking driving device to abut against the outer surface of the end part reserved ejector rod, and at the moment, a pressing force is applied to each end part reserved ejector rod, so that each end part reserved ejector rod is intensively abutted against the mounting front cavity of the upper die end part, and the height position is locked.

Furthermore, the ejector rod abutting piece and the height locking block are made of elastic materials.

According to the invention, the elastic material can improve the abutting strength of the reserved ejector rods at each end part through self deformation, so that the locking stability is improved.

In order to prevent the reserved ejector rod at the end part from accidentally deviating during the up-and-down movement, an upper die guide groove corresponding to the reserved ejector rod at the end part is further arranged on the upper die supporting seat;

the top end of the end part reserved ejector rod extends to form an upper die guide section which can be in sliding fit with the upper die guide groove.

In order to prevent the reserved ejector rod at the end part from accidentally deviating during up-and-down movement, an ejector rod guide groove communicated with the strip-shaped limiting port is further arranged on the reserved ejector rod at the end part;

and the reserved support rod is provided with an ejector rod guide post which can be in sliding fit with the ejector rod guide groove.

Furthermore, a top rod ventilation notch is formed in the side wall of the bottom end part of the top rod reserved at the end part;

the upper die supporting seat is provided with a supporting seat ventilation notch communicated with the upper die end mounting cavity at the reserved opening at the upper die end, and the upper die supporting seat is also provided with an upper die air inlet communicated with the upper die end mounting cavity;

the positions of the ejector rod ventilation notch and the supporting seat ventilation notch are configured as follows: when the reserved elastic piece acts on the end reserved ejector rod to enable the end reserved ejector rod to be located below the reserved opening in the end of the upper die, the ejector rod ventilation notch is not communicated with the supporting seat ventilation notch; when the end part reserved ejector rod is stored in the upper die end part reserved opening, the ejector rod ventilation notch is communicated with the supporting seat ventilation notch.

In the invention, the air inlet of the upper die can be communicated with a gas generator. The lower end part of the end part reserved ejector rod is adapted to the end part reserved opening of the upper die. When the air needs to be blown, the ejector rod ventilation notch is communicated with the supporting seat ventilation notch. Otherwise, the communication between the ventilation notch of the communicating ejector rod and the ventilation notch of the supporting seat is blocked, so that excessive impurities can be effectively prevented from entering the mounting cavity at the end part of the upper die.

In application, the end part concave reserved area is generally deep in depth and narrow in width, and when the top cover semi-finished product is withdrawn from the lower die unit, the stamped top cover semi-finished product is easily clamped on the end part reserved ejector rod due to the end part concave reserved area.

Specifically, when carrying out tip indent reserved area's punching press operation, the tip is reserved the ejector pin and is accomodate in last mould tip reserved opening under the cooperation of lower mould tip ejecting member, at this moment, ejector pin ventilation breach and supporting seat ventilation breach intercommunication start gas generator, then can make progress mould tip installation intracavity and inject into gas, this gas can blow off along supporting seat ventilation breach and ejector pin ventilation breach, like this, can give the downward effort of top cap semi-manufactured goods in order to break away from the tip and reserve the ejector pin.

Wherein, owing to the setting of ejector pin butt piece and high locking piece, can keep apart less space in last mould tip installation cavity in order to avoid aforementioned gas to excessively circulate, so, guaranteed the reliability of the operation of blowing.

The invention has the following beneficial effects:

1. in the rotating table for positioning the top cover of the battery compartment, the same lower die supporting seat can provide a lower die unit structure for a stamping process and a stable positioning structure in a punching process, so that the production cost can be reduced, and the production quality can be improved.

2. In the rotating table for positioning the top cover of the battery bin, the lower die supporting seat on each station can be ventilated by arranging the gas annular circulating pipe and the pneumatic universal joint and supporting the gas circulating cavity by the lower die. Through the arrangement of the lower die supporting gas circulation cavity, the lower die middle circulation cavity and the lower die end circulation cavity, the punched semi-finished top cover product can be adsorbed more stably.

3. The processing device for the top cover of the battery compartment is provided with the middle reserved top piece, and is suitable for concave-convex structures with shallow depth and large width and reserves enough material to be punched; the invention is designed with an end part concave reserved component, which is suitable for a concave-convex structure with deeper depth and narrower width and reserves enough material to be punched for the concave-convex structure. Therefore, compared with the traditional die, the die can effectively reduce the tensile deformation of the plate in the reinforcing rib area, and further improve the strength of the top cover.

4. According to the processing device for the battery compartment top cover, the plate to be processed reserved in the inwards concave reserved area of the middle part can be leveled by arranging the middle reserved top piece, so that the phenomenon of deep bending of traces in the reserving process is avoided; through the independent setting of a plurality of tip reservation ejector pin, can carry out the gentle operation of reserving to the panel of tip indent reservation region, avoid it to take place the darker phenomenon of buckling of vestige.

5. In the processing device for the top cover of the battery compartment, the reserved openings in the middle parts of the upper dies are arranged at intervals, so that the stamping contact surface matched with the lower die unit can be formed at the bottom end of the inwards concave reserved area in the middle part besides being matched with the reserved top part in the middle part; the interval setting of opening is reserved to a plurality of last mould tip, except can stepping down the tip and reserve the ejector pin, can also form in tip indent reservation region's bottom can with lower mould unit complex punching press contact surface.

Drawings

FIG. 1 is a diagram of a profile optimization of a battery compartment lid according to the present invention;

fig. 2 is a schematic structural diagram of an embodiment of a top cover of a battery compartment according to the present invention;

fig. 3 is a schematic structural view of an embodiment of a rotating table for positioning a top cover of a battery compartment according to the present invention;

fig. 4 is a schematic structural view of a lower mold support seat in a rotary table for positioning a top cover of a battery compartment according to an embodiment of the present invention;

fig. 5 is a schematic structural view of an embodiment of a rotary table in the rotary table for positioning a top cover of a battery compartment according to the present invention;

fig. 6 is a schematic structural view of an embodiment of the annular flow tube in the turntable for positioning the top cover of the battery compartment according to the present invention;

fig. 7 is a cross sectional view of one embodiment of a punching station in the processing device for the top cover of the battery compartment, the cross sectional view being taken in the front-rear direction;

fig. 8 is a schematic structural view of an embodiment of a middle reserved top member in the processing device for the top cover of the battery compartment according to the present invention;

fig. 9 is a cross sectional view of an embodiment of a concave reserved area in the middle of a processing device for a battery compartment top cover according to the present invention in the front-back direction;

fig. 10 is a schematic structural view of an embodiment of a left middle reserved top member set and a right middle reserved top member set in the processing device for a top cover of a battery compartment according to the present invention;

fig. 11 is a cross sectional view of an embodiment of an end concave reserved area in a processing device for a battery compartment top cover according to the present invention in the front-rear direction;

fig. 12 is a cross sectional view of an embodiment of an end portion concave reserved region in a processing device for a battery compartment top cover according to the present invention in the front-rear direction;

fig. 13 is a cross sectional view of one embodiment of an upper mold support seat in the processing device for a battery compartment top cover according to the present invention in the left-right direction;

fig. 14 is a cross sectional view of one embodiment of an upper mold support base in the processing device for a top cover of a battery compartment according to the present invention in the left-right direction;

fig. 15 is a schematic structural view of a specific embodiment of the end preformed push rod in the processing device for the top cover of the battery compartment in the left-right direction.

Reference numbers and corresponding part names in the drawings: 1. an upper die supporting seat, 2, an upper die end part bulge, 3, an upper die end part mounting cavity, 4, an upper die end part reserved opening, 5, a reserved supporting rod, 6, an end part reserved ejector rod, 7, a strip-shaped limiting opening, 8, a reserved elastic piece, 9, an ejector rod abutting piece, 10, a height locking driving device, 11, a height locking block, 12, an upper die guide groove, 13, an upper die guide section, 14, an ejector rod guide groove, 15, an ejector rod guide column, 16, an ejector rod ventilation notch, 17, a supporting seat ventilation notch, 18, a lower die supporting seat, 19, a lower die end part groove, 20, a lower die end part ejecting piece, 21, an upper die middle bulge, 22, a middle bulge section, 23, an upper die middle mounting cavity, 24, an upper die middle reserved opening, 25, a middle ejecting piece, 26, a middle reserved connecting frame, 27, a left sliding groove section, 28, a right sliding groove section, 29, an upper, A left slide block, 31, a right slide block, 32, an upper slide block, 33, an upper slide support rod, 34, a left slide support rod, 35, a right slide support rod, 36, a lower mold middle groove, 37, a lower mold middle abduction notch, 38, a lower mold middle ejection, 39, a lower mold middle ejection drive, 40, a lower mold end abduction notch, 41, a lower mold end ejection drive, 42, a rotary table support, 43, a rotary table, 44, a rotary support gas circulation chamber, 45, a support base gas inlet, 46, a pneumatic universal joint, 47, a middle recessed section, 48, a lower mold support gas circulation chamber, 49, a lower mold support gas suction hole, 50, a lower mold middle circulation chamber, 51, a lower mold middle gas suction hole, 52, a lower mold end circulation chamber, 53, a lower mold support input port, 54, a lower mold support output port, 55, a gas annular tube, 56, an annular tube input port, 57, a right slide support, An annular pipe output port, 58, a lower die middle input port, 59, a lower die end suction hole, 60, a lower die end input port, 61, a support base, 62, a lower die unit driving device, 63, a lower die support seat limiting strip, 64, a lower die support seat limiting groove, 65, a locking block mounting groove, 66, a connecting frame guide rod, 67, a battery bin top cover, 68, a region processed corresponding to a middle concave reserved region, 69, a region processed corresponding to an end concave reserved region, 70, a top cover reinforcing rib, 71, a plate to be processed, 72, an elliptical arc track, 73, a top cover semi-finished product, 74, a middle reserved top piece driving device, 75, an upper die air inlet, 76, a top cover connecting edge, 77, a top cover sealing groove section, 78, a sealing groove upper die notch, 79, a lower die sealing groove bulge, 80, a connecting edge upper die notch, 81, a connecting edge lower die bulge, 82 and a left middle, 83. the top group is reserved to right middle part, 84, top cap connecting hole, 85, support post section, 86, support anticreep section, 87, revolving stage backup pad, 88, rotatory ball, 89, revolving stage driving motor, 90, driven gear, 91, driving gear, 92, electromagnetic switch valve, 93, the hole extension section of stepping down, 94, breather hose, 95, the hole of stepping down punches.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1

As shown in fig. 2 to 15, the rotating table for positioning the top cover of the battery compartment includes a rotating table support 42, a rotating table 43 is rotatably disposed on the rotating table support 42, and a rotating table driving device for driving the rotating table 43 to rotate is further disposed on the rotating table support 42;

the rotary table supporting seat 42 is provided with a hollow rotary supporting gas circulation cavity 44, a supporting seat gas inlet 45 communicated with the rotary supporting gas circulation cavity 44 is arranged on the rotary table supporting seat 42, and a pneumatic universal joint 46 communicated with the rotary supporting gas circulation cavity 44 is connected to the rotary table supporting seat 42; the rotary table 43 is provided with a plurality of positioning stations which are annularly arranged on the rotary table 43, a lower die unit driving device is installed on each positioning station, and the output end of each lower die unit driving device is connected with a lower die unit;

the lower die unit comprises a lower die supporting seat 18, and the top end of the lower die supporting seat 18 is provided with a lower die middle groove 36 positioned in the middle area and two lower die end groove assemblies positioned at two sides of the lower die middle groove 36;

the lower die supporting seat 18 is provided with a hollow lower die supporting gas circulation cavity 48, the top end of the lower die supporting seat 18 is provided with a plurality of lower die supporting gas suction holes 49 communicated with the lower die supporting gas circulation cavity 48, the lower die supporting seat 18 is also provided with a lower die supporting input port 53 communicated with the lower die supporting gas circulation cavity 48, and the lower die supporting seat 18 is also provided with a punching abdicating hole 95;

the rotary table 43 is further provided with a gas annular circulation pipe 55, the gas annular circulation pipe 55 is provided with an annular pipe input port 56 and a plurality of annular pipe output ports 57 corresponding to the plurality of positioning stations, the annular pipe input port 56 is communicated with the pneumatic universal joint 46 through a ventilation hose, and the annular pipe output port 57 is communicated with the lower die support input port 53 through a ventilation hose.

In this embodiment, in order to connect the turntable 43 and the turntable support base 42, the turntable support base 42 may have a support column section 85, a top end portion of the support column section 85 protrudes from the turntable 43, a support anti-drop section 86 extends outward from the top end portion, and a turntable support plate 87 for supporting the turntable 43 is further connected to the support column section 85. The turntable support plate 87 may be provided with a rotation ball 88 which is in rolling friction with the turntable 43. The lower die support gas plenum 48 may be provided at the support column section 85.

The rotary table driving device may include a rotary table driving motor 89, a transmission gear set connected to an output end of the rotary table driving motor 65, and a driven gear 90 disposed at a bottom end of the rotary table 43 and engaged with the transmission gear set, the transmission gear set may include two driving gears 91 engaged with each other and capable of changing a direction of kinetic energy, and the driving gears 91 may be bevel gears.

In order to improve the stability of the movement of the lower mold unit, a supporting base 61 may be further provided, the supporting base 61 is mounted on the rotary table 43, a lower mold unit driving device 62 is mounted on the supporting base 61, and an output end of the lower mold unit driving device 62 is connected to a bottom end of the lower mold supporting base 1. The two side surfaces of the lower die supporting seat 1 can be provided with lower die supporting seat limiting strips 63, and the supporting base 61 can be provided with lower die supporting seat limiting grooves 64 which can be in sliding fit with the lower die supporting seat limiting strips 63.

In order to facilitate cleaning of residues in the punching abdicating hole 95, an abdicating hole extension section 93 of the punching abdicating hole 95 can be arranged on the lower die supporting seat 18, and the abdicating hole extension section 93 penetrates through the outer side wall of the lower die supporting seat 18.

The gas annular flow pipe 55 is provided with an electromagnetic opening/closing valve 92 at each of the annular pipe output ports 57. The pneumatic universal joint 46 and the solenoid switch valve may be selected from the prior art and will not be described in detail herein.

Example 2

This example is further defined on the basis of example 1 as follows: the lower die middle groove 36 is provided with two middle concave sections 47 which are arranged bilaterally symmetrically and are arranged at intervals, a lower die middle yielding notch 37 is further formed in the lower die support seat 18 in the area between the two middle concave sections 47, a lower die middle ejecting piece 38 is movably arranged at the lower die middle yielding notch 37, and a lower die middle ejecting piece driving device 39 used for driving the lower die middle ejecting piece 38 to move up and down is further arranged on the lower die support seat 18;

the lower die end groove assembly comprises at least two lower die end grooves 19, a lower die end part abdicating notch 40 is further formed in the area, between the two adjacent lower die end grooves 19, of the lower die support seat 18, a lower die end part ejecting piece 20 is movably arranged at the lower die end part abdicating notch 40, and a lower die end part ejecting piece driving device 41 for driving the lower die end part ejecting piece 20 to move up and down is further arranged on the lower die support seat 18;

the lower die supporting seat 18 is also provided with a lower die supporting output port 54 communicated with the lower die supporting gas circulation cavity 48;

the lower mold middle top piece 38 is provided with a hollow lower mold middle circulation cavity 50, the top end of the lower mold middle top piece 38 is provided with a plurality of lower mold middle air suction holes 51 communicated with the lower mold middle circulation cavity 50, and the lower mold middle top piece 38 is also provided with a lower mold middle input port 58 communicated with the lower mold middle circulation cavity 50;

the lower die end top piece 20 is provided with a hollow lower die end circulation cavity 52, the top end of the lower die end top piece 20 is provided with a plurality of lower die end air suction holes 59 communicated with the lower die end circulation cavity 52, and the lower die end top piece 20 is also provided with a lower die end input port 60 communicated with the lower die end circulation cavity 52;

the lower die middle input port 58 and the lower die end input port 60 are both in communication with the lower die support output port 54 via vent hoses.

In this embodiment, the lower die middle ejector driving device 39 and the lower die end ejector driving device 41 may be air cylinders. Taking the example of processing a battery compartment top cover as shown in fig. 2, the upper end of the lower mold middle top piece 38 may be shaped like a block, and the upper end of the lower mold end top piece 20 may be shaped like a strip.

Example 3

A battery compartment top cover machining device comprises an upper die unit and a battery compartment top cover positioning rotating table in any one of embodiments 1-2, wherein the upper die unit is over against any lower die unit in a plurality of lower die units;

the upper die unit comprises an upper die supporting seat 1, an upper die middle bulge 21 matched with the lower die middle groove 36 in the lower die unit and two end bulge assemblies positioned on two sides of the upper die middle bulge 21 are arranged at the bottom end of the upper die supporting seat 1, and the end bulge assemblies are matched with the lower die end groove assemblies in the lower die unit;

the upper die middle bulge 21 is provided with two middle bulge sections 22 matched with the middle concave section 47, and the area between the two middle bulge sections 22 is a middle concave reserved area;

the upper die supporting seat 1 is provided with a hollow upper die middle mounting cavity 23, a plurality of upper die middle reserved openings 24 which are arranged at intervals and communicated with the upper die middle mounting cavity 23 are formed in the middle inwards concave reserved area at the bottom end of the upper die supporting seat 1, and the plurality of upper die middle reserved openings 24 are arranged on the upper die supporting seat 1 in the front-back direction;

a plurality of middle reserved ejecting pieces 25 capable of penetrating through the middle reserved opening 24 of the upper die are arranged in the upper die middle mounting cavity 23;

go up still to be provided with the middle part in the mould mid-mounting chamber 23 and reserve a drive arrangement, the middle part is reserved a drive arrangement and is acted on the middle part and reserves a 25 for: the middle reserved top piece 25 can be protruded downwards or be accommodated in the upper die middle reserved opening 24.

In this embodiment, taking the example of processing the top cover of the battery box shown in fig. 2 as an example, the bottom end surface of the upper die supporting seat 1 should match with the shape of the top cover of the battery box. The number of the reserved openings 24 in the middle of the upper die can be 4-5. The middle reserved ejecting part driving device can select an air cylinder.

In order to improve the sealing performance of the top cover, a top cover sealing groove section 77 positioned at the periphery of the reinforcing rib is arranged on the top cover, a top cover connecting edge 76 is formed, and a top cover connecting hole is arranged on the top cover connecting edge 76. Correspondingly, the upper die supporting seat 1 can be provided with a sealing groove upper die notch 78 capable of punching out the top cover sealing groove section 77 and a connecting edge upper die notch 80 capable of punching out the top cover connecting edge 76, and the lower die unit is provided with a sealing groove lower die bulge 79 matched with the sealing groove upper die notch 80 and a connecting edge lower die bulge 81 matched with the connecting edge upper die notch 80.

Example 4

This example is further defined on the basis of example 3 as follows: the output end of the middle reserved ejecting piece driving device is connected with a connecting frame 26 which can be opposite to the middle reserved of the upper die supporting seat 1 and can move up and down, a plurality of ejecting pieces 25 are reserved in the middle on the connecting frame 26 reserved in the middle, and the ejecting pieces 25 reserved in the middle of the plurality of can correspond to the opening 24 reserved in the middle of the upper die respectively.

In this embodiment, as shown in fig. 7 and 8, the middle reserved top 25 may be plate-shaped, and the bottom end of the middle reserved top 25 may be arranged in an arc surface upward from left to right.

In order to improve the up-and-down movement stability of the middle reserved connecting frame 26, a connecting frame guide rod 66 penetrating through the middle reserved connecting frame 26 can be arranged in the upper die middle mounting cavity 23.

Example 5

This example is further defined on the basis of example 3 as follows: an upper die limiting groove which is positioned in the upper die middle installation cavity 23 is symmetrically arranged on the upper die supporting seat 1 in the front-back direction, and the upper die limiting groove is provided with a left sliding groove section 27, a right sliding groove section 28 corresponding to the left sliding groove section 27, and an upper sliding groove section 29 which is perpendicular to the left sliding groove section 27 and positioned between the left sliding groove section 27 and the right sliding groove section 28;

a left sliding block 30 is arranged in the left sliding groove section 27 in a sliding manner, a right sliding block 31 is arranged in the right sliding groove section 28 in a sliding manner, an upper sliding block 32 is arranged in the upper sliding groove section 29 in a sliding manner, the upper sliding blocks 32 in the two upper die limiting grooves are connected with the same upper sliding support rod 33 together, the left sliding blocks 30 in the two upper die limiting grooves are connected with the same left sliding support rod 34 together, and the right sliding blocks 31 in the two upper die limiting grooves are connected with the same right sliding support rod 35 together;

the middle reserved top pieces 25 are divided into a left middle reserved top piece group and a right middle reserved top piece group, the top end part of the middle reserved top piece 25 of the left middle reserved top piece group is hinged to the upper sliding support rod 33, the middle part of the middle reserved top piece 25 of the left middle reserved top piece group is hinged to the left sliding support rod 34, the top end part of the middle reserved top piece 25 of the right middle reserved top piece group is hinged to the upper sliding support rod 33, and the middle part of the middle reserved top piece 25 of the right middle reserved top piece group is hinged to the right sliding support rod 35;

the middle reserved ejecting part driving device is connected with the upper sliding block 32 and acts on the upper sliding block 32, so that: the upper slider 32 can move up and down along the upper chute section 29.

In this embodiment, in order to improve the stability of the left sliding groove section 27 and the left sliding block 30, the stability of the right sliding groove section 28 and the right sliding block 31, and the stability of the upper sliding groove section 29 and the upper sliding block 32, the left sliding groove section 27, the right sliding groove section 28, and the upper sliding groove section 29 may be designed to be arranged with small openings and large inner cavities. The left slide block 30, the right slide block 31 and the upper slide block 32 are matched with each other. The left runner section 27, the right runner section 28, and the upper runner section 29 may communicate with each other. The bottom end surfaces of the middle reserved ejection pieces 25 of the left middle reserved ejection piece group and the right middle reserved ejection piece group can be arranged in a cambered surface mode.

Similarly, instead of the middle reserved top driving device, a left sliding driving device connected to the left sliding block 30 and a right sliding driving device connected to the right sliding block 31 may be designed in this embodiment, so as to realize the movement of the left middle reserved top group and the right middle reserved top group in the opposite direction or in the opposite direction.

Example 6

This example is further defined on the basis of example 3 as follows: the end part convex assembly comprises at least two upper die end part bulges 2 matched with the lower die end part groove 19, and the area between the two adjacent upper die end part bulges 2 is an end part concave reserved area;

the upper die supporting seat 1 is also provided with an end part inwards concave reserved component corresponding to the end part inwards concave reserved area;

the end part inwards-concave reserved assembly comprises an upper die end part installation cavity 3 positioned in an upper die supporting seat 1, at least two upper die end part reserved openings 4 which are arranged at intervals and communicated with the upper die end part installation cavity 3 are formed in the end part inwards-concave reserved area at the bottom end of the upper die supporting seat 1, and the at least two upper die end part reserved openings 4 are arranged on the upper die supporting seat 1 in the left-right direction;

subassembly is reserved to tip indent still includes and reserves the tip that opening 4 corresponds with last mould tip and reserves ejector pin 6, the spacing mouth 7 of bar has been seted up on the ejector pin 6 is reserved to the tip, the subassembly is reserved to the tip indent still including being located the reserve bracing piece 5 of mould tip installation cavity 3, reserve bracing piece 5 and run through the spacing mouth 7 of bar that two at least tip reserved ejector pin 6, and reserve bracing piece 5 about both ends all link to each other with last mould supporting seat 1, be provided with in the spacing mouth 7 of bar and reserve elastic component 8, reserve the upper and lower both ends of elastic component 8 and act on the bottom of reserving bracing piece 5 and the spacing mouth 7 bottom of bar respectively, make: the lower end part of the end part reserved ejector rod 6 penetrates through the upper die end part reserved opening 4 and is positioned below the upper die end part reserved opening 4, and when the end part reserved ejector rod 6 moves upwards, the end part reserved ejector rod 6 can compress the reserved elastic part 8 and is accommodated in the upper die end part reserved opening 4;

the end part concave reserving component also comprises a height locking component which can lock the height positions of the plurality of end part reserved mandrils 6.

In this embodiment, use the battery compartment top cap that processing fig. 2 shows as an example, can be provided with two tip protruding subassemblies on last mould supporting seat 1, every tip protruding subassembly all sets up two and goes up mould tip arch 2, goes up and then has two tip indent reservation regions on mould supporting seat 1, correspondingly, goes up and installs two tip indent reservation components on mould supporting seat 1.

According to the shape of the end part concave reserved area, the lower end part of the end part reserved ejector rod can be in a square column shape. The plurality of end reserve pins 6 may vary in size, and specifically, the size of each end reserve pin 6 may be designed according to the amount of reserve material required. The end part reserve ejector rod 6 can be arranged in a cambered surface in the front-back direction as shown in figure 11.

The reserved elastic member 8 may be a compression spring. The lower die unit driving device can be selected from a driving device such as an air cylinder, a hydraulic cylinder and the like.

Example 7

This example is further defined on the basis of example 6 as follows: the height locking assembly comprises a top rod abutting part 9 arranged on the end part reserved top rod 6;

the height locking assembly further comprises a height locking driving device 10 arranged on the upper die supporting seat 1, the output end of the height locking driving device 10 is connected with a height locking block 11, and the height locking driving device 10 acts on the height locking block 11, so that: the height locking block 11 can act on the outer surface of the ram abutment 9 and two adjacent ram abutments 9 can abut tightly in the upper die end mounting cavity 3.

In this embodiment, the end-reserved ejector rod 6 and the ejector rod abutting piece 9 may be in a square column shape, and the ejector rod abutting piece 9 may be disposed in an upper end region of the end-reserved ejector rod 6. Under the action of the reserved elastic part 8, the bottom end of the ejector rod abutting part 9 can abut against the top end of the reserved supporting rod 5.

The height locking driving device 10 can be arranged outside the upper die supporting seat 1, a locking block mounting groove 65 communicated with the upper die mounting cavity is formed in the upper die supporting seat 1, and the height locking block 11 is slidably arranged in the locking block mounting groove 65. The output end of the height locking driving device 10 penetrates through the inner wall and the outer wall of the upper die supporting seat 1 and is connected with a height locking block 11.

Preferably, the ejector pin abutment 9 and the height locking block 11 are both made of elastic material.

The ejector rod abutting part 9 and the height locking block 11 can be made of silica gel or rubber. The height locking block 11 may likewise be in the form of a block.

Example 8

This example is further defined on the basis of example 6 as follows: an upper die guide groove 12 corresponding to the end reserved ejector rod 6 is arranged on the upper die supporting seat 1;

the top end of the end part reserved ejector rod 6 extends to form an upper die guide section 13 which can be in sliding fit with the upper die guide groove 12.

In this embodiment, the cross section of the upper mold guiding groove 12 may be square, and correspondingly, the cross section of the upper mold guiding section 13 is also square.

Example 9

This example is further defined on the basis of example 6 as follows: the end part reserved ejector rod 6 is provided with an ejector rod guide groove 14 communicated with the strip-shaped limiting port 7;

and the reserved supporting rod 5 is provided with an ejector rod guide post 15 which can be in sliding fit with the ejector rod guide groove 14.

In this embodiment, the cross section of the pin guide 15 may be square.

Example 10

This example is further defined on the basis of example 6 as follows: a mandril ventilation notch 16 is formed in the side wall of the bottom end part of the end part reserved mandril 6; the upper die supporting seat 1 is provided with a supporting seat ventilation notch 17 communicated with the upper die end part mounting cavity 3 at the position of the upper die end part reserved opening 4, and the upper die supporting seat 1 is also provided with an upper die air inlet 75 communicated with the upper die end part mounting cavity 3;

the positions of the mandril ventilation notch 16 and the support seat ventilation notch 17 are configured as follows: when the reserved elastic piece 8 acts on the end reserved ejector rod 6 to enable the end reserved ejector rod 6 to be positioned below the upper die end reserved opening 4, the ejector rod ventilation notch 16 is not communicated with the supporting seat ventilation notch 17; when the end part reserved ejector rod 6 is accommodated in the upper die end part reserved opening 4, the ejector rod ventilation notch 16 is communicated with the supporting seat ventilation notch 17.

In this embodiment, the end-part reserved ejector rod 6 may be provided with a plurality of ejector rod ventilation notches 16, and the ejector rod ventilation notches 16 penetrate through the bottom end of the end-part reserved ejector rod 6.

The above is only a preferred embodiment of the present invention, and it should be noted that several modifications and improvements made by those skilled in the art without departing from the technical solution should also be considered as falling within the scope of the claims.

Claims

1. Battery storehouse revolving stage is used in top cap location, its characterized in that: the device comprises a rotating platform supporting seat (42), wherein a rotating platform (43) is rotatably arranged on the rotating platform supporting seat (42), and a rotating platform driving device for driving the rotating platform (43) to rotate is further arranged on the rotating platform supporting seat (42);

the rotary table supporting seat (42) is provided with a hollow rotary supporting gas circulation cavity (44), a supporting seat gas inlet (45) communicated with the rotary supporting gas circulation cavity (44) is arranged on the rotary table supporting seat (42), and a pneumatic universal joint (46) communicated with the rotary supporting gas circulation cavity (44) is connected to the rotary table supporting seat (42);

the rotary table (43) is provided with a plurality of positioning stations which are annularly arranged on the rotary table (43), the positioning stations are provided with a lower die unit driving device, and the output end of the lower die unit driving device is connected with a lower die unit;

the lower die unit comprises a lower die supporting seat (18), the top end of the lower die supporting seat (18) is provided with a lower die middle groove (36) positioned in the middle area and two lower die end groove assemblies positioned on two sides of the lower die middle groove (36);

the lower die supporting seat (18) is provided with a hollow lower die supporting gas circulation cavity (48), the top end of the lower die supporting seat (18) is provided with a plurality of lower die supporting air suction holes (49) communicated with the lower die supporting gas circulation cavity (48), the lower die supporting seat (18) is also provided with a lower die supporting input port (53) communicated with the lower die supporting gas circulation cavity (48), and the lower die supporting seat (18) is also provided with a punching abdicating hole (95);

the rotary table (43) is further provided with a gas annular circulation pipe (55), a plurality of annular pipe input ports (56) and a plurality of annular pipe output ports (57) corresponding to the plurality of positioning stations are formed in the gas annular circulation pipe (55), the annular pipe input ports (56) are communicated with the pneumatic universal joint (46) through ventilation hoses, and the annular pipe output ports (57) are communicated with the lower die support input ports (53) through the ventilation hoses.

2. A battery compartment lid positioning rotary table according to claim 1, wherein: the lower die middle groove (36) is provided with two middle concave sections (47) which are arranged symmetrically left and right and are arranged at intervals, a lower die middle yielding notch (37) is further formed in the lower die supporting seat (18) in the area between the two middle concave sections (47), a lower die middle ejector (38) is movably arranged at the lower die middle yielding notch (37), and a lower die middle ejector driving device (39) used for driving the lower die middle ejector (38) to move up and down is further arranged on the lower die supporting seat (18);

the lower die end groove assembly comprises at least two lower die end grooves (19), a lower die end abdicating notch (40) is further formed in the area, between the two adjacent lower die end grooves (19), of the lower die supporting seat (18), a lower die end ejecting piece (20) is movably arranged at the lower die end abdicating notch (40), and a lower die end ejecting piece driving device (41) used for driving the lower die end ejecting piece (20) to move up and down is further arranged on the lower die supporting seat (18);

the lower die supporting seat (18) is also provided with a lower die supporting output port (54) communicated with the lower die supporting gas circulation cavity (48);

the lower die middle ejection piece (38) is provided with a hollow lower die middle circulation cavity (50), the top end of the lower die middle ejection piece (38) is provided with a plurality of lower die middle air suction holes (51) communicated with the lower die middle circulation cavity (50), and the lower die middle ejection piece (38) is also provided with a lower die middle input port (58) communicated with the lower die middle circulation cavity (50);

the lower die end part top piece (20) is provided with a hollow lower die end part circulation cavity (52), the top end of the lower die end part top piece (20) is provided with a plurality of lower die end part air suction holes (59) communicated with the lower die end part circulation cavity (52), and the lower die end part top piece (20) is also provided with a lower die end part input port (60) communicated with the lower die end part circulation cavity (52);

the lower die middle input port (58) and the lower die end input port (60) are both communicated with the lower die support output port (54) through vent hoses.

3. The utility model provides a processingequipment for battery compartment top cap which characterized in that: the battery compartment top cover positioning rotary table comprises an upper die unit and a battery compartment top cover positioning rotary table according to claim 2, wherein the upper die unit is opposite to any lower die unit in a plurality of lower die units;

the upper die unit comprises an upper die supporting seat (1), an upper die middle bulge (21) matched with the lower die middle groove (36) in the lower die unit and two end bulge assemblies positioned on two sides of the upper die middle bulge (21) are arranged at the bottom end of the upper die supporting seat (1), and the end bulge assemblies are matched with the lower die end groove assemblies in the lower die unit;

the upper die middle bulge (21) is provided with two middle bulge sections (22) matched with the middle concave section (47), and the area between the two middle bulge sections (22) is a middle concave reserved area;

the upper die supporting seat (1) is provided with a hollow upper die middle mounting cavity (23), a plurality of upper die middle reserved openings (24) which are arranged at intervals and communicated with the upper die middle mounting cavity (23) are formed in the middle inwards concave reserved area at the bottom end of the upper die supporting seat (1), and the plurality of upper die middle reserved openings (24) are arranged on the upper die supporting seat (1) in a front-back mode;

a plurality of middle reserved ejecting pieces (25) which can penetrate through the middle reserved opening (24) of the upper die are arranged in the upper die middle mounting cavity (23);

go up still to be provided with the middle part in mould mid-mounting chamber (23) and reserve a drive arrangement, the middle part is reserved a drive arrangement and is acted on middle part and reserves a (25), makes: the middle reserved top piece (25) can downwards protrude or be accommodated in the middle reserved opening (24) of the upper die.

4. The processing device for the top cover of the battery compartment as claimed in claim 3, wherein: the output end of the middle reserved ejecting piece driving device is connected with a connecting frame (26) which can be opposite to the middle reserved of the upper die supporting seat (1) and can move up and down, a plurality of middle reserved ejecting pieces (25) are arranged on the connecting frame (26) reserved in the middle, and the plurality of middle reserved ejecting pieces (25) can correspond to the plurality of upper die middle reserved openings (24) respectively.

5. The processing device for the top cover of the battery compartment as claimed in claim 3, wherein: an upper die limiting groove which is positioned in the upper die middle mounting cavity (23) is symmetrically arranged on the upper die supporting seat (1) from front to back, and is provided with a left sliding groove section (27), a right sliding groove section (28) corresponding to the left sliding groove section (27), and an upper sliding groove section (29) which is perpendicular to the left sliding groove section (27) and is positioned between the left sliding groove section (27) and the right sliding groove section (28);

a left sliding block (30) is arranged in the left sliding groove section (27) in a sliding manner, a right sliding block (31) is arranged in the right sliding groove section (28) in a sliding manner, an upper sliding block (32) is arranged in the upper sliding groove section (29) in a sliding manner, the upper sliding blocks (32) in the two upper die limiting grooves are connected with the same upper sliding support rod (33) together, the left sliding blocks (30) in the two upper die limiting grooves are connected with the same left sliding support rod (34) together, and the right sliding blocks (31) in the two upper die limiting grooves are connected with the same right sliding support rod (35) together;

the middle reserved ejection pieces (25) are divided into a left middle reserved ejection piece group and a right middle reserved ejection piece group, the top end parts of the middle reserved ejection pieces (25) of the left middle reserved ejection piece group are hinged to the upper sliding supporting rod (33), the middle parts of the middle reserved ejection pieces (25) of the left middle reserved ejection piece group are hinged to the left sliding supporting rod (34), the top end parts of the middle reserved ejection pieces (25) of the right middle reserved ejection piece group are hinged to the upper sliding supporting rod (33), and the middle parts of the middle reserved ejection pieces (25) of the right middle reserved ejection piece group are hinged to the right sliding supporting rod (35);

the middle reserved ejecting part driving device is connected with the upper sliding block (32) and acts on the upper sliding block (32) to enable: the upper sliding block (32) can move up and down along the upper sliding groove section (29).

6. The processing device for the top cover of the battery compartment as claimed in claim 3, wherein: the end part protrusion assembly comprises at least two upper die end part protrusions (2) matched with the lower die end part grooves (19), and the area between two adjacent upper die end part protrusions (2) is an end part concave reserved area;

an end part inwards concave reserved component corresponding to the end part inwards concave reserved area is further installed on the upper die supporting seat (1);

the end part inwards-concave reserved assembly comprises an upper die end part mounting cavity (3) positioned in the upper die supporting seat (1), at least two upper die end part reserved openings (4) which are arranged at intervals and communicated with the upper die end part mounting cavity (3) are formed in the end part inwards-concave reserved area at the bottom end of the upper die supporting seat (1), and the at least two upper die end part reserved openings (4) are arranged on the upper die supporting seat (1) in the left-right direction;

subassembly is reserved to tip indent still includes and reserves ejector pin (6) with the tip that last mould tip preformed opening (4) corresponds, the spacing mouthful of bar (7) has been seted up on tip reserved ejector pin (6), the subassembly is reserved to the tip indent still including being located reserve bracing piece (5) of last mould tip installation cavity (3), reserve bracing piece (5) and run through the spacing mouthful of bar (7) that two at least tip reserved ejector pin (6), and both ends all link to each other with last mould supporting seat (1) about reserving bracing piece (5), be provided with in the spacing mouthful of bar (7) and reserve elastic component (8), the upper and lower both ends of reserving elastic component (8) act on the bottom of reserving bracing piece (5) and the bottom of the spacing mouthful of bar (7) respectively, make: the lower end part of the end part reserved ejector rod (6) penetrates through the upper die end part reserved opening (4) and is positioned below the upper die end part reserved opening (4), and when the end part reserved ejector rod (6) moves upwards, the end part reserved ejector rod (6) can compress the reserved elastic piece (8) and is accommodated in the upper die end part reserved opening (4);

the end part concave reserving component also comprises a height locking component which can lock the height positions of the plurality of end part reserved ejector rods (6).

7. The processing device for the top cover of the battery compartment as claimed in claim 6, wherein: the height locking assembly comprises a top rod abutting part (9) arranged on the end part reserved top rod (6);

the height locking assembly further comprises a height locking driving device (10) arranged on the upper die supporting seat (1), the output end of the height locking driving device (10) is connected with a height locking block (11), and the height locking driving device (10) acts on the height locking block (11) to enable: the height locking block (11) can act on the outer surface of the ejector rod abutting piece (9), and two adjacent ejector rod abutting pieces (9) can be tightly abutted in the upper die end installation cavity (3).

8. The processing device for the top cover of the battery compartment as claimed in claim 6, wherein: an upper die guide groove (12) corresponding to the end reserved ejector rod (6) is formed in the upper die supporting seat (1);

the top end of the end part reserved ejector rod (6) extends to form an upper die guide section (13) which can be in sliding fit with the upper die guide groove (12).

9. The processing device for the top cover of the battery compartment as claimed in claim 6, wherein: the end part reserved ejector rod (6) is provided with an ejector rod guide groove (14) communicated with the strip-shaped limiting port (7);

and the reserved supporting rod (5) is provided with an ejector rod guide post (15) which can be in sliding fit with the ejector rod guide groove (14).

10. The processing device for the top cover of the battery compartment as claimed in claim 6, wherein: a mandril ventilation notch (16) is formed in the side wall of the bottom end part of the end part reserved mandril (6);

a supporting seat ventilation notch (17) communicated with the upper die end mounting cavity (3) is formed in the position, on the upper die end reserved opening (4), of the upper die supporting seat (1), and an upper die air inlet (75) communicated with the upper die end mounting cavity (3) is formed in the upper die supporting seat (1);

the positions of the ejector rod ventilation notch (16) and the supporting seat ventilation notch (17) are configured as follows: when the reserved elastic piece (8) acts on the end reserved ejector rod (6) to enable the end reserved ejector rod (6) to be located below the upper die end reserved opening (4), the ejector rod ventilation notch (16) is not communicated with the supporting seat ventilation notch (17); when the end part reserved ejector rod (6) is accommodated in the upper die end part reserved opening (4), the ejector rod ventilation notch (16) is communicated with the supporting seat ventilation notch (17).