CN215434776U

CN215434776U - Mould is used in rubber toolbox manufacturing

Info

Publication number: CN215434776U
Application number: CN202121744152.4U
Authority: CN
Inventors: 周永祥; 任成敏; 柏立杰
Original assignee: Jiashan Mingxin Technology Co ltd
Current assignee: Jiashan Mingxin Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-01-07
Anticipated expiration: 2031-07-28

Abstract

The utility model relates to the technical field of tool box processing, in particular to a mold for manufacturing a rubber tool box, which comprises a base, a supporting plate, a controller, a feeding mechanism, a pressing mechanism and an ejection mechanism, wherein the feeding mechanism comprises a heating tank and an extrusion assembly, the pressing mechanism comprises an upper mold, a lower mold and a lifting assembly, the ejection mechanism comprises a telescopic assembly and two ejector rods, the top of the lower mold is symmetrically provided with two cavities, the inner wall of the lower mold is provided with a mounting groove, the two ejector rods are symmetrically arranged on the telescopic assembly, each ejector rod is inserted into the inner wall of one cavity, and the extrusion assembly, the lifting assembly, the telescopic assembly and the controller are all electrically connected with one another. The air bubbles can not be generated in the product, and the injection molding quality and the product quality are further improved.

Description

Mould is used in rubber toolbox manufacturing

Technical Field

The utility model relates to the technical field of tool box processing, in particular to a mold for manufacturing a rubber tool box.

Background

Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can be classified into injection molding and die casting. An injection molding machine (an injection machine or an injection molding machine for short) is a main molding device for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and the injection molding is realized by the injection molding machine and the die. The existing rubber tool box is mainly carried out by two modes of injection molding and blow molding, wherein the injection molding mainly carries out continuous pressure maintaining on a mold, and the blow molding mainly carries out injection of high-pressure gas into the mold.

The existing tool box has the following defects in injection molding:

1. after the curtain is closed, in the filling process, the filling speed of the liquid plastic is not uniform, and air bubbles are easily formed in the product, so that the product cannot be effectively molded, and the injection molding quality and the product quality are reduced.

2. Automatic demoulding is not designed, and manual mould taking is needed after product forming is cooled and fixed, so that time and labor are wasted, the production efficiency is low, and meanwhile, the manual mould taking also has certain potential safety hazards.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mold for manufacturing a rubber toolbox.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a mould for manufacturing a rubber tool box, which comprises a base and a supporting plate, wherein the supporting plate is vertically arranged at the top of the base, the mould also comprises a controller, a feeding mechanism, a pressing mechanism and an ejection mechanism, the controller is fixedly arranged on the outer wall of the supporting plate, the feeding mechanism is arranged at the top of the supporting plate, the feeding mechanism comprises a heating tank and an extrusion component, the heating tank is fixedly arranged at the top of the supporting plate, the extrusion component is inserted on the heating tank, the pressing mechanism is arranged between the base and the supporting plate, the pressing mechanism comprises an upper mould, a lower mould and a lifting component, the lower mould is arranged at the top of the base, the lifting component is arranged at the side of the heating tank, the upper mould is fixedly arranged on the lifting component, one end of the upper mould is connected with the supporting plate in a sliding manner, the ejection mechanism is arranged on the inner wall of the lower mould, the ejection mechanism comprises a telescopic component and two ejector rods, two cavities are symmetrically arranged at the top of the lower mould, and a mounting groove is arranged on the inner wall of the lower mould, the flexible subassembly is established in the inside of mounting groove, and two ejector pins are the symmetry and establish on flexible subassembly, and every ejector pin all pegs graft with the inner wall of a die cavity, and extrusion subassembly, lifting unit and flexible subassembly and controller are electric connection.

Preferably, the extrusion subassembly includes servo motor, connecting rod and stripper bar, and servo motor is fixed to be established on the outer wall of backup pad, and the connecting rod cover is established on its output, and the stripper bar articulates the one end that sets up at the connecting rod and keep away from servo motor, and the stripper bar pegs graft with the heating jar, and servo motor is connected with the controller electricity.

Preferably, flexible subassembly includes electric putter, lifter plate and two inserted bars, and electric putter is the vertical inside of establishing at the mounting groove, and the lifter plate is fixed to be established on its output, and two inserted bars are the symmetry and set up the top at the lifter plate, and every inserted bar all with the bottom fixed connection of an ejector pin, and electric putter is connected with the controller electricity.

Preferably, the lifting component comprises an air cylinder and two guide rods, the air cylinder is vertically arranged at the top of the supporting plate, the output end of the air cylinder is fixedly connected with the top of the upper die, the two guide rods are symmetrically arranged at the top of the upper die, each guide rod is inserted into the supporting plate, the air cylinder is electrically connected with the controller,

preferably, the top of going up the mould is the symmetry and is provided with two dog-house, and the top of every dog-house all is fixed to be equipped with connects the material pipe, and the intercommunication is equipped with U type pipe between two material pipes, and fixed the conveyer pipe that is equipped with between U type pipe and the heating tank.

Preferably, the inboard bottom of every die cavity all is equipped with the recess that can supply the ejector pin to hold, all overlaps on the outer wall of every inserted bar to be equipped with sealing washer and buffer spring, and the inboard top of every mounting groove all is equipped with the spacing groove, and spacing groove and lifter plate are contradicted with every buffer spring's both ends respectively.

Preferably, a feeding pipe is fixedly arranged on the outer wall of the heating tank, and a sealing plug is inserted into the top of the feeding pipe.

Preferably, the bottom of going up the mould is the symmetry and is provided with four guide pillars and a plurality of contact pin, and the top of lower mould is the symmetry and is provided with the jack that can supply four guide pillars and a plurality of contact pin to peg graft.

The utility model has the beneficial effects that:

1. according to the utility model, by designing the extrusion assembly, the servo motor, the connecting rod and the extrusion rod, and utilizing the servo motor to match with the connecting rod structure, liquid plastic can be uniformly injected into the two cavities after die assembly, and compared with the prior art, uneven filling is not caused, so that the liquid plastic can be distributed at each position of the two cavities, product bubbles are prevented, and the injection molding quality and the molding quality of a tool box are further improved.

2. According to the utility model, through designing the ejection mechanism, namely the telescopic component and the two ejector rods, the plastic parts in the two cavities can be ejected out in time after the tool box is cooled, molded and cured completely, compared with the prior art, manual mold taking is not needed, the lower efficiency is accelerated, the injection molding process is reduced, the injection molding efficiency of the rubber tool box is further improved, and meanwhile, the potential safety hazard caused by manual mold taking can be effectively avoided.

3. By designing the telescopic spring, the surface of the tool box shell can not be damaged when the two ejector rods drive the tool box to demould, so that a buffering effect is achieved, the product protection is facilitated, and the loss is avoided.

4. According to the utility model, the sealing ring is designed at the top of each insert rod, so that liquid plastics in two cavities can be effectively prevented from leaking into the inner wall of the lower die during pressure maintaining, the liquid plastics are fully utilized, resource waste and pollution to the die are further prevented, and the injection molding cost of the tool box is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a schematic perspective view of the present invention;

FIG. 4 is an enlarged view of FIG. 3 at B;

FIG. 5 is a top view of the present invention;

FIG. 6 is a plan sectional view taken along line C-C of FIG. 5;

FIG. 7 is an enlarged view of FIG. 6 at D;

in the figure: the device comprises a controller 1, a feeding mechanism 2, a pressing mechanism 3, an ejection mechanism 4, a heating tank 5, an extrusion assembly 6, an upper die 7, a lower die 8, a lifting assembly 9, a telescopic assembly 10, an ejector rod 11, a servo motor 12, a connecting rod 13, an extrusion rod 14, an electric push rod 15, a lifting plate 16, an insertion rod 17, a cylinder 18, a guide rod 19, a material receiving pipe 20, a U-shaped pipe 21, a conveying pipe 22, a sealing ring 23, a buffer spring 24, a guide pillar 25 and an insertion pin 26.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.

Referring to fig. 1 to 7, the mold for manufacturing a rubber toolbox comprises a base and a support plate, wherein the support plate is vertically arranged on the top of the base, the mold further comprises a controller 1, a feeding mechanism 2, a pressing mechanism 3 and an ejection mechanism 4, the controller 1 is fixedly arranged on the outer wall of the support plate, the feeding mechanism 2 is arranged on the top of the support plate, the feeding mechanism 2 comprises a heating tank 5 and an extrusion assembly 6, the heating tank 5 is fixedly arranged on the top of the support plate, the extrusion assembly 6 is inserted on the heating tank 5, the pressing mechanism 3 is arranged between the base and the support plate, the pressing mechanism 3 comprises an upper mold 7, a lower mold 8 and a lifting assembly 9, the lower mold 8 is arranged on the top of the base, the lifting assembly 9 is arranged beside the heating tank 5, the upper mold 7 is fixedly arranged on the lifting assembly 9, one end of the upper mold 7 is slidably connected with the support plate, the ejection mechanism 4 is arranged on the inner wall of the lower mold 8, the ejection mechanism 4 comprises a telescopic assembly 10 and two ejector rods 11, the top of the lower die 8 is symmetrically provided with two cavities, the inner wall of the lower die 8 is provided with a mounting groove, the telescopic assembly 10 is arranged in the mounting groove, the two ejector rods 11 are symmetrically arranged on the telescopic assembly 10, each ejector rod 11 is connected with the inner wall of one cavity in an inserting mode, and the extrusion assembly 6, the lifting assembly 9, the telescopic assembly 10 and the controller 1 are electrically connected.

Extrusion subassembly 6 includes servo motor 12, connecting rod 13 and extrusion stem 14, servo motor 12 is fixed to be established on the outer wall of backup pad, connecting rod 13 cover is established on its output, extrusion stem 14 articulates the one end of setting keeping away from servo motor 12 at connecting rod 13, and extrusion stem 14 pegs graft with heating jar 5, servo motor 12 is connected with controller 1 electricity, after the compound die, heat its inside solid plastics through heating jar 5, until heating into liquid state, then start servo motor 12 through controller 1, thereby it is rotatory to drive connecting rod 13 through its output, because heating jar 5 and connecting rod 13 keep away from servo motor 12's one end respectively with the both ends of extrusion stem 14 articulated, and then drive extrusion stem 14 and extrude liquid plastics to the one end that is close to conveyer pipe 22 in the inside of heating jar 5.

The telescopic assembly 10 comprises an electric push rod 15, a lifting plate 16 and two insert rods 17, the electric push rod 15 is vertically arranged in the mounting groove, the lifting plate 16 is fixedly arranged at the output end of the lifting plate, the two insert rods 17 are symmetrically arranged at the top of the lifting plate 16, each insert rod 17 is fixedly connected with the bottom of one ejector rod 11, the electric push rod 15 is electrically connected with the controller 1, the cooling is finished, the electric push rod 15 is started through control, the output end of the electric push rod upwards extends out, the output end of the electric push rod is fixedly connected with the lifting plate 16, the two insert rods 17 are fixedly connected with the lifting plate 16, each ejector rod 11 is fixedly connected with one insert rod 17, the two ejector rods 11 are driven to ascend in the two cavities, the cooled rubber tool box shell is ejected out, and demolding is realized.

Lifting unit 9 includes cylinder 18 and two guide arms 19, cylinder 18 is vertical the top of establishing at the backup pad, its output and the top fixed connection who goes up mould 7, two guide arms 19 are the symmetry and set up the top of going up mould 7, every guide arm 19 all pegs graft with the backup pad, cylinder 18 is connected with controller 1 electricity, when moulding plastics, at first start cylinder 18 through controller 1, because its output and last mould 7 fixed connection, it pegs graft with lower mould 8 to go up mould 7, thereby it closes tightly with lower mould 8 to drive last mould 7, the compound die promptly, two guide arms 19 play the guide effect, guarantee to go up the steady decline of mould 7.

Go up the top of mould 7 and be the symmetry and be provided with two dog-house, the top of every dog-house all is fixed and is equipped with material receiving pipe 20, it is equipped with U type pipe 21 to communicate between two material receiving pipe 20, fixed conveyer pipe 22 that is equipped with between U type pipe 21 and the heating jar 5, after liquid plastics are crowded into conveyer pipe 22 inside, get into inside U type pipe 21 from its inside, get into the inside of two die cavities from U type pipe 21 and two material receiving pipes again, then drive mould 7 and lower mould 8 through cylinder 18 and thoroughly close, pressurize, still design the cooling chamber on the inner wall of lower mould 8, it cools off to its cooling solidification to certain rigidity to let in cold wind or let in air conditioning inside it, be difficult to warp because of receiving external force after the drawing of patterns.

The inboard bottom of every die cavity all is equipped with the recess that can supply ejector pin 11 to hold, it is equipped with sealing washer 23 and buffer spring 24 all to overlap on the outer wall of every inserted bar 17, the inboard top of every mounting groove all is equipped with the spacing groove, spacing groove and lifter plate 16 are contradicted with every buffer spring 24's both ends respectively, two recesses are used for holding two ejector pins 11, sealing washer 23 plays the effect that prevents liquid plastics and leak into 8 inner walls down, and buffer spring 24 guarantees that two ejector pins 11 can not be bad with toolbox casing surface top when the drawing of patterns, play the cushioning effect, and then be favorable to realizing product protection.

The outer wall of the heating tank 5 is fixedly provided with a feeding pipe, the top of the feeding pipe is inserted with a sealing plug, the feeding pipe is used for putting solid plastics into the heating tank 5, and the sealing plug plays a role in sealing and preventing overflow.

Go up the bottom of mould 7 and be the symmetry and be provided with four guide pillars 25 and a plurality of contact pin 26, the top of lower mould 8 is the symmetry and is provided with the jack that can supply four guide pillars 25 and a plurality of contact pin 26 to peg graft in proper order and cooperate with a plurality of jack in four guide pillars 25, a plurality of contact pin 26 to guarantee to go up mould 7 and the accurate compound die of lower mould 8.

The working principle of the utility model is as follows: during moulding plastics, at first start cylinder 18 through controller 1, because its output with last mould 7 fixed connection, go up mould 7 and lower mould 8 grafting to the mould 7 closes tightly with lower mould 8 in the drive, the compound die promptly, two guide arms 19 play the guide effect, guarantee to go up the steady decline of mould 7, four guide pillars 25, a plurality of contact pin 26 and a plurality of jack are pegged graft the cooperation in proper order, thereby guarantee to go up the accurate compound die of mould 7 and lower mould 8.

After the die is closed, the solid plastic inside the heating tank 5 is heated until the solid plastic is heated to be in a liquid state, then the servo motor 12 is started through the controller 1, so that the connecting rod 13 is driven to rotate through the output end of the servo motor, and because the ends, far away from the servo motor 12, of the heating tank 5 and the connecting rod 13 are respectively hinged with the two ends of the extrusion rod 14, the extrusion rod 14 is driven to extrude the liquid plastic to the end, close to the conveying pipe 22, inside the heating tank 5.

After being extruded into the conveying pipe 22, liquid plastic enters the inside of the U-shaped pipe 21 from the inside of the U-shaped pipe, enters the inside of the two cavities from the U-shaped pipe 21 and the two feeding pipes, then drives the upper die 7 and the lower die 8 to be completely closed through the air cylinder 18 for pressure maintaining, a cooling cavity is further designed on the inner wall of the lower die 8, cold air is introduced into the cooling cavity or the cold air is introduced into the cooling cavity to cool the formed rubber tool box, the rubber tool box is cooled and solidified to certain rigidity, and the rubber tool box is not easy to deform due to external force after demoulding.

The cooling finishes, start electric putter 15 through control, thereby make its output upwards stretch out, because its output and lifter plate 16 fixed connection, two inserted bar 17 all with lifter plate 16 fixed connection, again because every ejector pin 11 all with an inserted bar 17 fixed connection, and then drive two ejector pins 11 and rise in the inside of two die cavities, it is ejecting to the rubber toolbox casing that will cool off, realize the drawing of patterns, two recesses are used for holding two ejector pins 11, sealing washer 23 plays the effect that prevents liquid plastics leak into 8 inner walls of lower mould, and buffer spring 24 can not be bad with toolbox casing surface top when guaranteeing the drawing of patterns two ejector pins 11, play the cushioning effect, and then be favorable to realizing the product protection.

Claims

1. The utility model provides a mould is used in rubber toolbox manufacturing, includes base and backup pad, and the backup pad is the vertical top of establishing at the base, its characterized in that: the automatic feeding device is characterized by further comprising a controller (1), a feeding mechanism (2), a pressing mechanism (3) and an ejection mechanism (4), wherein the controller (1) is fixedly arranged on the outer wall of the supporting plate, the feeding mechanism (2) is arranged on the top of the supporting plate, the feeding mechanism (2) comprises a heating tank (5) and an extrusion assembly (6), the heating tank (5) is fixedly arranged on the top of the supporting plate, the extrusion assembly (6) is inserted on the heating tank (5), the pressing mechanism (3) is arranged between the base and the supporting plate, the pressing mechanism (3) comprises an upper die (7), a lower die (8) and a lifting assembly (9), the lower die (8) is arranged on the top of the base, the lifting assembly (9) is arranged beside the heating tank (5), the upper die (7) is fixedly arranged on the lifting assembly (9), one end of the upper die (7) is connected with the supporting plate in a sliding manner, the ejection mechanism (4) is arranged on the inner wall of the lower die (8), ejection mechanism (4) are including flexible subassembly (10) and two ejector pins (11), the top of lower mould (8) is the symmetry and is provided with two die cavities, be provided with the mounting groove on the inner wall of lower mould (8), establish the inside at the mounting groove in flexible subassembly (10), two ejector pins (11) are the symmetry and establish on flexible subassembly (10), and every ejector pin (11) all pegs graft with the inner wall of a die cavity, extrusion subassembly (6), lifting unit (9) and flexible subassembly (10) are electric connection with controller (1).

2. The mold for manufacturing a rubber toolbox according to claim 1, wherein: extrusion subassembly (6) include servo motor (12), connecting rod (13) and extrusion stem (14), and servo motor (12) fixed establishment is on the outer wall of backup pad, and connecting rod (13) cover is established on its output, and extrusion stem (14) articulated the setting is kept away from servo motor (12) one end at connecting rod (13), and extrusion stem (14) and heating jar (5) are pegged graft, and servo motor (12) are connected with controller (1) electricity.

3. The mold for manufacturing a rubber toolbox according to claim 2, wherein: the telescopic assembly (10) comprises an electric push rod (15), a lifting plate (16) and two inserting rods (17), wherein the electric push rod (15) is vertically arranged inside the mounting groove, the lifting plate (16) is fixedly arranged at the output end of the lifting plate, the two inserting rods (17) are symmetrically arranged at the top of the lifting plate (16), each inserting rod (17) is fixedly connected with the bottom of one ejector rod (11), and the electric push rod (15) is electrically connected with the controller (1).

4. The mold for manufacturing a rubber toolbox according to claim 3, wherein: lifting unit (9) include cylinder (18) and two guide arms (19), and cylinder (18) are vertical the top of establishing in the backup pad, and its output and the top fixed connection who goes up mould (7), and two guide arms (19) are the symmetry and set up the top of going up mould (7), and every guide arm (19) all pegs graft with the backup pad, and cylinder (18) are connected with controller (1) electricity.

5. The mold for manufacturing a rubber toolbox according to claim 4, wherein: the top of going up mould (7) is the symmetry and is provided with two dog-house, and the top of every dog-house all is fixed to be equipped with material receiving pipe (20), and the intercommunication is equipped with U type pipe (21) between two material receiving pipe (20), and fixed conveyer pipe (22) that are equipped with between U type pipe (21) and heating jar (5).

6. The mold for manufacturing a rubber toolbox according to claim 5, wherein: the inboard bottom of every die cavity all is equipped with the recess that can supply ejector pin (11) to hold, all overlaps on the outer wall of every inserted bar (17) to be equipped with sealing washer (23) and buffer spring (24), and the inboard top of every mounting groove all is equipped with the spacing groove, and spacing groove and lifter plate (16) are contradicted with the both ends of every buffer spring (24) respectively.

7. The mold for manufacturing a rubber toolbox according to claim 6, wherein: a feeding pipe is fixedly arranged on the outer wall of the heating tank (5), and a sealing plug is inserted at the top of the feeding pipe.

8. The mold for manufacturing a rubber toolbox according to claim 7, wherein: the bottom of the upper die (7) is symmetrically provided with four guide posts (25) and a plurality of contact pins (26), and the top of the lower die (8) is symmetrically provided with jacks for the four guide posts (25) and the plurality of contact pins (26) to be plugged.