CN114062728A - Pressure clamp clamping device and working method thereof - Google Patents
Pressure clamp clamping device and working method thereof Download PDFInfo
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- CN114062728A CN114062728A CN202111363452.2A CN202111363452A CN114062728A CN 114062728 A CN114062728 A CN 114062728A CN 202111363452 A CN202111363452 A CN 202111363452A CN 114062728 A CN114062728 A CN 114062728A
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- 238000000034 method Methods 0.000 title claims description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000013519 translation Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention relates to a pressure clamp clamping device which comprises a working platform, wherein a pressure clamp and a tool table surface of the pressure clamp are arranged on the working platform, a pressure applying component of the pressure clamp is arranged on the end side of the tool table surface, and an electric screwdriver component is arranged on the pressure applying component and used for locking the pressure clamp. The pressure clamp of the pressure clamp clamping device is used for clamping a pre-pressed battery, the tool table top is used for supporting and positioning the pressure clamp and is matched with a pressing part to apply pre-pressed pressure to the pressure clamp, and the electric screwdriver component is used for locking the pressure clamp to realize pressure maintaining. The whole reasonable in design can cooperate the interior pressure monitoring that carries out the battery, and the frock is efficient.
Description
Technical Field
The invention relates to a pressure clamp clamping device and a working method thereof.
Background
The battery generates gas inside during charging, thereby generating internal pressure to cause expansion of the battery. When the change of the internal pressure of the battery is within the allowable range value, the charging can be continued, and when the change of the internal pressure of the battery exceeds the allowable range value, the charging needs to be stopped so as to avoid explosion danger of the battery. In order to facilitate monitoring of the internal pressure change of the battery, a pressure clamp clamping device needs to be designed to be matched with the internal pressure monitoring of the battery.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide a pressure clamp clamping device and a working method thereof.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a pressure anchor clamps clamping device, includes work platform, the last frock mesa that is provided with pressure anchor clamps and pressure anchor clamps of work platform, the distolateral frock mesa is provided with the parts of exerting pressure of pressure anchor clamps, be provided with the electricity on the parts of exerting pressure and criticize the subassembly for the pressure anchor clamps are paid in the lock.
Preferably, the pressure fixture comprises a frame body, a plurality of pressing plates are installed on the frame body, a guide assembly is arranged between each pressing plate and the frame body, a clamping space for a battery is arranged between every two adjacent pressing plates, a pressure sensor is arranged between one pressing plate on the outermost side and the frame body, and the other pressing plate on the outermost side is a pressing end.
Preferably, the side parts of the plurality of press plates in the translation direction are provided with the same linkage belt, and the corresponding sections of the linkage belt are fixedly connected to the corresponding press plates; the end part of the linkage belt positioned at the side of the pressure sensor is fixedly connected on the frame body.
Preferably, the clamping spaces are all provided with buffer sheets, and the buffer sheets are all positioned on the end faces of the pressing plates forming the clamping spaces and are used for contacting with the end faces of the batteries; the buffer sheet is a silica gel sheet; the clamping spaces are all provided with battery placing half grooves for containing batteries, and the battery placing half grooves are fixedly connected to the end faces of the pressing plates forming the clamping spaces; the guide assembly comprises at least two guide rods fixedly connected to the frame body, and the guide rods penetrate through the guide holes in the plurality of press plates; a pressure maintaining mechanism is arranged between the pressure plate at the pressure applying end and the frame body, the pressure maintaining mechanism comprises a screw rod which is arranged in a through hole on the frame body in a penetrating way along the guide direction of the guide assembly, the inner end of the screw rod is rotatably connected with the pressure plate at the pressure applying end through a bearing seat and a bearing, the outer end of the screw rod is suspended, a pressure maintaining nut is screwed on the screw rod between the pressure plate at the pressure applying end and the frame body, a pressure maintaining guide rod which is parallel to the screw rod is fixedly connected on the pressure plate at the pressure applying end, the other end of the pressure maintaining guide rod is arranged in the pressure maintaining guide hole of the frame body in a penetrating way, a through hole for the pressure maintaining guide rod to pass through is arranged on the pressure maintaining nut, and a pressure maintaining circular groove for embedding a circular pressure maintaining nut is arranged on the end surface of the frame body at the pressure maintaining nut side; the frame body comprises a bottom plate, two opposite ends of the bottom plate are fixedly connected with end plates, the guide assembly is fixedly connected between the two end plates, and the pressure maintaining mechanism is arranged between one end plate and a pressure plate at a pressure applying end; the pressure sensor is electrically connected with the controller, and the controller is further electrically connected with a display screen.
Preferably, the tooling table surface comprises a drawing sliding groove of a pressure fixture arranged on the surface of the working platform, horizontal hooks are symmetrically arranged on the left side and the right side of the end of the drawing sliding groove, the hooks are hinged on a hinged seat, hook openings of the hooks face towards the pressure fixture, the hooks are used for hooking the edge of an end plate of the pressure fixture, and torsion springs are arranged on vertical hinged shafts of the hooks.
Preferably, a plurality of pulleys are uniformly distributed at the bottom of the drawing chute along the drawing direction; l-shaped limiting swing rods are symmetrically hinged to the left and the right of the notch at the head end of the drawing sliding chute, and the weight of the front parts of the limiting swing rods before the hinge point is smaller than the weight of the rear parts of the limiting swing rods after the hinge point; the limiting swing rods are all horizontally placed, the top surfaces of the limiting swing rods are higher than the bottoms of the drawing sliding grooves, and chamfers are arranged at the head ends of the limiting swing rods; the end notch of the drawing chute is bilaterally and symmetrically fixedly connected with an L-shaped limiting fixed rod, the limiting fixed rod is vertically placed, and the horizontal section of the top of the limiting fixed rod is embedded into an inserting opening on an end plate of the pressure clamp; a chamfer is arranged on the inner groove wall of the notch at the head end of the drawing chute; the groove walls on the left side and the right side of a dead end groove opening of the drawing sliding groove are fixedly connected with guide blocks, and guide middle wedge surfaces are arranged on the guide blocks; the inner side wall of each hook rod of the hook is provided with an inner guide part, the outer side wall of each hook rod is provided with an outer guide part, the inner guide part and the outer guide part are straight sections which are parallel to each other, the inner guide parts are located above the outer guide parts, the inner guide parts are used for rolling and matching inner guide wheels with horizontal end faces, the outer guide parts are used for rolling and matching outer guide wheels with horizontal end faces, the inner guide wheels and the outer guide wheels on the same side are both installed on the same adapter rod, the inner guide wheels and the outer guide wheels are arranged up and down, the end sides of the outer guide parts, far away from hook openings, are continuously extended backwards and swing outwards to form extension turning parts, and the extension turning parts are also located below the inner guide wheels; the adapter rods are fixedly connected to the side portion of a movable base body of the working platform, the movable base body is located on the side of the end of the drawing sliding groove, the bottom surface of the movable base body is installed on the working platform through a sliding block and a front-back extending sliding rail, and the movable base body is driven by an air cylinder or an oil cylinder or an electric push rod to move back and forth in a reciprocating mode.
Preferably, the electric screwdriver component comprises an electric screwdriver body, an output shaft of the electric screwdriver body is connected with an inner screwdriver head, an outer screwdriver head is coaxially sleeved on the outer peripheral portion of the inner screwdriver head, an axial guide component is arranged between the outer screwdriver head and the inner screwdriver head, and a buffer spring is arranged between the outer screwdriver head and the end portion of the inner screwdriver head.
Preferably, the execution ends of the internal screwdriver head and the external screwdriver head are coaxially provided with internal hexagonal screw ports; the inner hexagonal screw mouth of the inner screwdriver head is a small mouth, and the inner hexagonal screw mouth of the outer screwdriver head is a large mouth.
Preferably, the outer screwdriver head is coaxially communicated with a channel penetrated by the inner screwdriver head at the side of the inner hexagonal screw port of the outer screwdriver head, the channel consists of a cylindrical hole section and a polygonal hole section, the inner diameter of the cylindrical hole section is larger than that of the polygonal hole section, the cylindrical hole section is close to the inner hexagonal screw port, and the polygonal hole section is far away from the inner hexagonal screw port; the outer periphery of the inner screwdriver head at the position of the inner hexagonal screw opening is a cylindrical shaft section which is coaxially matched with the cylindrical hole section, and a polygonal shaft section which is coaxially and fixedly matched with the polygonal hole section is arranged on the cylindrical shaft section in the direction far away from the inner hexagonal screw opening; the polygonal hole section and the polygonal shaft section are matched to form an axial guide assembly; a spring mounting cavity is coaxially arranged inside the outer screwdriver head, a spring connecting cavity is arranged on the periphery of the inner screwdriver head, which is close to the output shaft of the screwdriver body, one end of a buffer spring is positioned in the spring mounting cavity, and the other end of the buffer spring is positioned in the spring connecting cavity; the outer screwdriver head is provided with a cylindrical guide section at the periphery close to the output shaft of the screwdriver body, and the outer diameter of the cylindrical guide section is equal to the inner diameter of the spring connecting cavity; the electric screwdriver body is arranged on an electric screwdriver frame, and the electric screwdriver frame is driven by a driving mechanism to move in a reciprocating manner along the axial direction; the driving mechanism comprises an air cylinder arranged on a movable seat body, a piston rod of the air cylinder is fixedly connected with an electric screwdriver frame, and the bottom of the electric screwdriver frame is in sliding fit with a sliding rail axially extending on the movable seat body through a sliding block; the bottom of the movable seat body is in sliding fit with a slide rail which axially extends on the rack through a slide block, and is driven to axially reciprocate and translate through an air cylinder or an oil cylinder or an electric push rod which is arranged on the rack; the end face of the movable seat body, which is at the same side with the inner hexagonal screw ports of the inner screwdriver head and the outer screwdriver head, is fixedly connected with a plurality of push rods which extend axially to form a pressing part for jacking the pressing plate of the clamp, and the end face is provided with a yielding through hole for the screwdriver head of the screwdriver body to pass through.
A working method of a pressure clamp clamping device is carried out according to the following steps: (1) the pressure clamp is put in along a notch at the head end of the drawing chute, the head end of the limiting swing rod swings downwards under pressure, when the pressure clamp is pushed in place along a pulley of the drawing chute, the head end of the limiting swing rod automatically tilts to block the head end of the pressure clamp because the weight of the front part of the limiting swing rod before the hinged point is smaller than the weight of the rear part of the limiting swing rod after the hinged point, and the top horizontal section of the limiting fixed rod is embedded into an inserting and embedding opening on an end plate of the pressure clamp to limit the vertical degree of freedom; (2) the batteries are placed on the corresponding clamping spaces and supported by the battery placing half grooves; (3) the movable seat body drives the ejector rod and the electric screwdriver to move horizontally towards the pressure applying end of the pressure clamp; the ejector rod penetrates through the ejector rod through hole to perform jacking translation on the pressing plates at the pressing ends, all the batteries are pre-pressed one by a plurality of pressing plates, in the process, when the movable seat body translates towards the pressure clamp, the outer guide wheel gradually breaks away from the extension turning part and enters the outer guide part to perform rolling fit, the inner guide wheel gradually enters the inner guide part to perform rolling fit, and the hook gradually resets until the hook mouth is hooked on the edge of the end plate of the pressure clamp under the action of the torsion spring; at the moment, the inner guide wheel and the outer guide wheel are in contact with the inner guide part and the outer guide part, so that the arbitrary swinging and rotation of the hook can be limited, and the self-locking is realized; (4) the battery is pre-pressed in the clamping space, so that after a preset initial pressure value is fed back from the pressure sensor, the electric batch component starts to work: when the ejector rod pushes the pressing end pressing plate to be in place, the air cylinder drives the electric screwdriver to be close to the pressure maintaining mechanism, the outer screwdriver head sleeves the nut, the inner screwdriver head sleeves the end part of the screw rod, the buffer spring is compressed at the moment, the inner screwdriver head and the outer screwdriver head synchronously rotate, namely the nut screwed on the screw rod synchronously rotates when the screw rod rotates, and the relative position between the nut and the screw rod is unchanged; the rotation of the screw rod enables the pressure maintaining nut to move towards the pressure maintaining circular groove on the screw rod until the pressure maintaining nut is embedded into the pressure maintaining circular groove and is tightly held; after the screw is screwed, the inner screw head can be separated from the end part of the screw independently, the buffer spring is reset slightly, the outer screw head still sleeves the nut, the inner screw head and the outer screw head rotate synchronously at the moment, the inner screw head idles, and the outer screw head starts to screw the nut, so that the outer screw head and the pressure maintaining nut lock the screw together, the screw is prevented from rotating randomly, and pressure maintaining is realized; (5) after pressure maintaining, the ejector rod can withdraw from the pressure clamp, namely the movable base body retreats to drive the electric screwdriver component to retreat, the outer guide wheel gradually contacts the extension turning part, the hook opening opens, the pressure clamp in the pressure maintaining can be taken down at the moment, then the battery starts to be charged, in the charging process, because the battery is pressed by the pressing plate, the expansion caused by the internal pressure of the battery is directly transmitted to the pressure sensor for feedback, and therefore the change value of the internal pressure of the battery is obtained and is used for comparing with the normal range value to obtain a monitoring conclusion.
Compared with the prior art, the invention has the following beneficial effects: the pressure clamp of the pressure clamp clamping device is used for clamping a pre-pressed battery, the tool table top is used for supporting and positioning the pressure clamp and is matched with a pressing part to apply pre-pressed pressure to the pressure clamp, and the electric screwdriver component is used for locking the pressure clamp to realize pressure maintaining. The whole reasonable in design can cooperate the interior pressure monitoring that carries out the battery, and the frock is efficient.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic configuration diagram of an embodiment of the present invention.
Fig. 2 is a state view of the hook of fig. 1.
Fig. 3 is a top view of the tooling table.
Fig. 4 is a state view of the hook of fig. 3.
Fig. 5 is a partially enlarged view a of fig. 1.
Fig. 6 is a partially enlarged view B of fig. 1.
Fig. 7 is a first schematic view of the construction of the pressure clamp.
Fig. 8 is a second schematic view of the construction of the pressure jig.
Fig. 9 is an exploded view of several platens.
FIG. 10 is a first cross-sectional view of the electric screwdriver assembly.
FIG. 11 is a second cross-sectional view of the electric screwdriver assembly.
Fig. 12 is a first schematic view of the installation of the electric screwdriver body.
Fig. 13 is a second schematic view of the installation of the electric screwdriver body.
Fig. 14 is a first schematic view of the batch head working state of the electric batch body.
Fig. 15 is a second schematic view of the batch head working state of the electric batch body.
Fig. 16 is a third schematic view of the batch head working state of the electric batch body.
Fig. 17 is a fourth schematic view of the operation state of the batch head of the electric batch body.
Detailed Description
The invention is further explained below with reference to the drawings and the embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1 to 17, the embodiment provides a pressure clamp clamping device, which includes a working platform 21B, a tooling table top provided with a pressure clamp 1C and a pressure clamp is provided on the working platform, a pressing component of the pressure clamp is provided on the end side of the tooling table top, and an electric screwdriver component is provided on the pressing component for locking the pressure clamp.
In the embodiment of the invention, the pressure clamp comprises a frame body 1A, a plurality of pressure plates 2A are mounted on the frame body, a guide assembly is arranged between each pressure plate and the frame body, a battery clamping space is arranged between every two adjacent pressure plates, a pressure sensor 3A is arranged between one pressure plate on the outermost side and the frame body, and the other pressure plate on the outermost side is a pressure applying end.
In the embodiment of the invention, the side parts of the plurality of press plates in the translation direction are provided with the same linkage belt 4A, and the corresponding sections of the linkage belts are fixedly connected on the corresponding press plates; the end part of the linkage belt positioned at the side of the pressure sensor is fixedly connected on the frame body. When the pressing plate at the pressing end leaves/releases the corresponding battery, the other pressing plates are pulled and linked together to leave/release the corresponding battery through the linkage belt.
In the embodiment of the invention, the clamping spaces are all provided with buffer sheets 5A, and the buffer sheets are all positioned on the end faces of the pressing plates forming the clamping spaces and are used for contacting with the end faces of the batteries; the buffer sheet is a silica gel sheet, the area of the buffer sheet is almost equal to the areas of the pressed surface of the battery and the pressed surface of the pressing plate, the surface of the battery is protected, and the surface of the battery is uniformly pressed; the clamping spaces are provided with battery placing half grooves 6A for containing batteries, the battery placing half grooves are fixedly connected to the end faces of the pressing plates forming the clamping spaces, the batteries are placed between two adjacent battery placing half grooves from top to bottom, and the two battery placing half grooves of the batteries are not butted in the pressing direction; the guide assembly comprises at least two guide rods 7A fixedly connected to the frame body, and the guide rods penetrate through the guide holes 8A on the plurality of press plates; a pressure maintaining mechanism is arranged between the pressure plate at the pressure applying end and the frame body, the pressure maintaining mechanism comprises a screw rod 9A which is arranged in a through hole on the frame body in a penetrating way along the guide direction of the guide assembly, the inner end of the screw rod is rotatably connected with the pressure plate at the pressure applying end through a bearing seat 10A and a bearing, the outer end of the screw rod is suspended, a pressure maintaining nut 15A is screwed on the screw rod between the pressure plate at the pressure applying end and the frame body, a pressure maintaining guide rod 16A which is parallel to the screw rod is fixedly connected on the pressure plate at the pressure applying end, the other end of the pressure maintaining guide rod is arranged in a pressure maintaining guide hole on the frame body in a penetrating way, a through hole for the pressure maintaining guide rod to pass through is arranged on the pressure maintaining nut, and a pressure maintaining circular groove 17A for embedding a circular pressure maintaining nut is arranged on the end surface of the frame body at the pressure maintaining nut side; the frame body comprises a bottom plate 11A, two opposite ends of the bottom plate are fixedly connected with end plates 12A, the guide assembly is fixedly connected between the two end plates, and the pressure maintaining mechanism is arranged between one end plate and a pressure plate at a pressure applying end; the pressure sensor is electrically connected with the controller, and the controller is further electrically connected with a display screen. The outer end faces of the end plates are fixedly connected with traction handles 13A.
In the embodiment of the invention, the tool table surface comprises a drawing chute 2C of the pressure fixture arranged on the surface of the working platform, horizontal hooks 3C are symmetrically arranged on the left side and the right side of the end of the drawing chute, the hooks are hinged on a hinged seat 4C, hook openings 5C face the pressure fixture and are used for being hooked on the edge of an end plate of the pressure fixture, and torsion springs are arranged on vertical hinged shafts 7C of the hooks.
In the embodiment of the invention, a plurality of pulleys 8C are uniformly distributed at the bottom of the drawing chute along the drawing direction; l-shaped limiting swing rods 9C are symmetrically hinged to the notches at the head ends of the drawing sliding grooves in a bilateral mode, and the weight of the front portions of the limiting swing rods before the hinge points is smaller than the weight of the rear portions of the limiting swing rods after the hinge points; the limiting swing rods are all horizontally placed, the top surfaces of the limiting swing rods are higher than the bottoms of the drawing sliding grooves, and chamfers 10C are arranged at the head ends of the limiting swing rods; l-shaped limiting fixing rods 11C are symmetrically fixedly connected to the left and the right of the end notch of the drawing sliding chute, the limiting fixing rods are vertically placed, and the horizontal section 12C at the top of the limiting fixing rods is used for being embedded into an inserting and embedding opening 13C in an end plate of the pressure clamp; a chamfer is arranged on the inner groove wall of the notch at the head end of the drawing chute; the groove walls on the left side and the right side of the end notch of the drawing sliding groove are fixedly connected with guide blocks 14C, and the guide blocks are provided with middle guide wedge surfaces 15C; the inner side wall of a hook rod 16C of the hook is provided with an inner guide part 17C, the outer side wall of the hook is provided with an outer guide part 18C, the inner guide part and the outer guide part are straight sections which are parallel to each other, the inner guide part is positioned above the outer guide part, the inner guide part is used for rolling and matching an inner guide wheel 19C with a horizontal end face, the outer guide part is used for rolling and matching an outer guide wheel 20C with a horizontal end face, the inner guide wheel and the outer guide wheel on the same side are both arranged on the same adapter rod 22C, the inner guide wheel and the outer guide wheel are arranged up and down, the end side of the outer guide part, which is far away from a hook opening, continues to extend backwards and swing outwards to form an extension crutch part 21C, and the extension crutch part is also positioned below the inner guide wheel; the adapter rods are fixedly connected to the side portion of a movable seat body 15B of the working platform, the movable seat body is located on the side of the end of the drawing sliding groove, the bottom surface of the movable seat body is installed on the working platform through a sliding block 17B and a front-back extending sliding rail 18B, and the movable seat body is driven by an air cylinder or an oil cylinder or an electric push rod 19B to move back and forth in a reciprocating mode.
In the embodiment of the invention, the electric screwdriver component comprises an electric screwdriver body 1B, an output shaft 2B of the electric screwdriver body is connected with an inner screwdriver head 3B, an outer screwdriver head 4B is coaxially sleeved on the outer periphery of the inner screwdriver head, an axial guide component is arranged between the outer screwdriver head and the inner screwdriver head, and a buffer spring 5B is arranged between the outer screwdriver head and the inner screwdriver head.
In the embodiment of the invention, the execution ends of the internal bit and the external bit are coaxially provided with internal hexagonal screw ports 6B; the inner hexagonal screw mouth of the inner screwdriver head is a small mouth, and the inner hexagonal screw mouth of the outer screwdriver head is a large mouth.
In the embodiment of the invention, a channel penetrated by the internal bit is coaxially and communicated with the external bit at the side of the internal hexagonal screw port of the external bit, the channel consists of a cylindrical hole section 7B and a polygonal hole section 8B, the inner diameter of the cylindrical hole section is larger than that of the polygonal hole section, the cylindrical hole section is close to the internal hexagonal screw port, and the polygonal hole section is far away from the internal hexagonal screw port; the outer periphery of the inner screwdriver head at the position of the inner hexagonal screw opening is provided with a cylindrical shaft section 9B which is coaxially matched with the cylindrical hole section, and a polygonal shaft section 10B which is coaxially and fixedly matched with the polygonal hole section is arranged on the cylindrical shaft section in the direction far away from the inner hexagonal screw opening; the polygonal hole section and the polygonal shaft section are matched to form an axial guide assembly; a spring mounting cavity 11B is coaxially arranged in the outer screwdriver head, a spring connecting cavity 12B is arranged on the periphery of the inner screwdriver head, which is close to the output shaft of the screwdriver body, one end of a buffer spring is positioned in the spring mounting cavity, and the other end of the buffer spring is positioned in the spring connecting cavity; the outer screwdriver head is provided with a cylindrical guide section 13B at the outer peripheral part close to the output shaft of the screwdriver body, and the outer diameter of the cylindrical guide section is equal to the inner diameter of the spring connecting cavity; the electric screwdriver body is arranged on an electric screwdriver frame 14B, and the electric screwdriver frame is driven by a driving mechanism to move in a reciprocating mode along the axial direction; the driving mechanism comprises an air cylinder 16B arranged on a movable seat body 15B, a piston rod of the air cylinder is fixedly connected with the electric screwdriver frame, and the bottom of the electric screwdriver frame is in sliding fit with a sliding rail axially extending on the movable seat body through a sliding block; the bottom of the movable seat body is in sliding fit with an axially extending slide rail on the rack 23B through a slide block and is driven to axially reciprocate and translate through an air cylinder or an oil cylinder or an electric push rod 19B arranged on the rack; the end face of the movable seat body, which is at the same side with the inner hexagonal screw ports of the inner screwdriver head and the outer screwdriver head, is fixedly connected with a plurality of push rods 20B which extend axially to form a pressing part for jacking and pressing the pressing plate of the clamp, and the end face is provided with a abdicating through hole 22B for the screwdriver head of the screwdriver body to pass through.
A working method of a pressure clamp clamping device is carried out according to the following steps: (1) the pressure clamp is put in along a notch at the head end of the drawing chute, the head end of the limiting swing rod swings downwards under pressure, when the pressure clamp is pushed in place along a pulley of the drawing chute, the head end of the limiting swing rod automatically tilts to block the head end of the pressure clamp because the weight of the front part of the limiting swing rod before the hinged point is smaller than the weight of the rear part of the limiting swing rod after the hinged point, and the top horizontal section of the limiting fixed rod is embedded into an inserting and embedding opening on an end plate of the pressure clamp to limit the vertical degree of freedom; (2) the battery 14A is placed on the corresponding clamping space and supported by the battery placing half-groove; (3) the movable seat body drives the ejector rod and the electric screwdriver to move horizontally towards the pressure applying end of the pressure clamp; the ejector rod penetrates through the ejector rod through hole to perform jacking translation on the pressing plates at the pressing ends, all the batteries are pre-pressed one by a plurality of pressing plates, in the process, when the movable seat body translates towards the pressure clamp, the outer guide wheel gradually breaks away from the extension turning part and enters the outer guide part to perform rolling fit, the inner guide wheel gradually enters the inner guide part to perform rolling fit, and the hook gradually resets until the hook mouth is hooked on the edge of the end plate of the pressure clamp under the action of the torsion spring; at the moment, the inner guide wheel and the outer guide wheel are in contact with the inner guide part and the outer guide part, so that the arbitrary swinging and rotation of the hook can be limited, and the self-locking is realized; (4) the battery is pre-pressed in the clamping space, so that after a preset initial pressure value is fed back from the pressure sensor, the electric batch component starts to work: when the ejector rod pushes the pressing end pressing plate to be in place, the air cylinder drives the electric screwdriver to be close to the pressure maintaining mechanism, the outer screwdriver sleeves the nut 18A, the inner screwdriver sleeves the end part of the screw rod, the buffer spring is compressed at the moment, the inner screwdriver and the outer screwdriver synchronously rotate, namely the nut screwed on the screw rod synchronously rotates when the screw rod rotates, and the relative position between the nut and the screw rod is unchanged; the rotation of the screw rod enables the pressure maintaining nut to move towards the pressure maintaining circular groove on the screw rod until the pressure maintaining nut is embedded into the pressure maintaining circular groove and is tightly held; after the screw is screwed, the inner screw head can be separated from the end part of the screw independently, the buffer spring is reset slightly, the outer screw head still sleeves the nut, the inner screw head and the outer screw head rotate synchronously at the moment, the inner screw head idles, and the outer screw head starts to screw the nut, so that the outer screw head and the pressure maintaining nut lock the screw together, the screw is prevented from rotating randomly, and pressure maintaining is realized; (5) after pressure maintaining, the ejector rod can withdraw from the pressure clamp, namely the movable base body retreats to drive the electric screwdriver component to retreat, the outer guide wheel gradually contacts the extension turning part, the hook opening opens, the pressure clamp in the pressure maintaining can be taken down at the moment, then the battery starts to be charged, in the charging process, because the battery is pressed by the pressing plate, the expansion caused by the internal pressure of the battery is directly transmitted to the pressure sensor for feedback, and therefore the change value of the internal pressure of the battery is obtained and is used for comparing with the normal range value to obtain a monitoring conclusion.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a pressure anchor clamps clamping device which characterized in that: the pressure clamp device comprises a working platform, a pressure clamp and a tool table board of the pressure clamp are arranged on the working platform, a pressing part of the pressure clamp is arranged on the end side of the tool table board, and an electric screwdriver component is arranged on the pressing part and used for locking the pressure clamp.
2. A pressure jig clamping apparatus as claimed in claim 1, wherein: the pressure fixture comprises a frame body, a plurality of pressing plates are installed on the frame body, a guide assembly is arranged between each pressing plate and the frame body, a space is formed between every two adjacent pressing plates for clamping a battery, and a pressure sensor and the other pressing plate on the outermost side are arranged between one pressing plate and the frame body and are pressing ends.
3. A pressure jig clamping apparatus as claimed in claim 2, wherein: the side parts of the plurality of press plates in the translation direction are provided with the same linkage belt, and corresponding sections of the linkage belt are fixedly connected to the corresponding press plates; the end part of the linkage belt positioned at the side of the pressure sensor is fixedly connected on the frame body.
4. A pressure jig clamping apparatus as claimed in claim 2, wherein: buffer sheets are arranged on the clamping spaces and are positioned on the end faces of the pressing plates forming the clamping spaces and used for being in contact with the end faces of the batteries; the buffer sheet is a silica gel sheet; the clamping spaces are all provided with battery placing half grooves for containing batteries, and the battery placing half grooves are fixedly connected to the end faces of the pressing plates forming the clamping spaces; the guide assembly comprises at least two guide rods fixedly connected to the frame body, and the guide rods penetrate through the guide holes in the plurality of press plates; a pressure maintaining mechanism is arranged between the pressure plate at the pressure applying end and the frame body, the pressure maintaining mechanism comprises a screw rod which is arranged in a through hole on the frame body in a penetrating way along the guide direction of the guide assembly, the inner end of the screw rod is rotatably connected with the pressure plate at the pressure applying end through a bearing seat and a bearing, the outer end of the screw rod is suspended, a pressure maintaining nut is screwed on the screw rod between the pressure plate at the pressure applying end and the frame body, a pressure maintaining guide rod which is parallel to the screw rod is fixedly connected on the pressure plate at the pressure applying end, the other end of the pressure maintaining guide rod is arranged in the pressure maintaining guide hole of the frame body in a penetrating way, a through hole for the pressure maintaining guide rod to pass through is arranged on the pressure maintaining nut, and a pressure maintaining circular groove for embedding a circular pressure maintaining nut is arranged on the end surface of the frame body at the pressure maintaining nut side; the frame body comprises a bottom plate, two opposite ends of the bottom plate are fixedly connected with end plates, the guide assembly is fixedly connected between the two end plates, and the pressure maintaining mechanism is arranged between one end plate and a pressure plate at a pressure applying end; the pressure sensor is electrically connected with the controller, and the controller is further electrically connected with a display screen.
5. A pressure jig clamping apparatus as claimed in claim 1, wherein: the tooling table surface comprises a drawing sliding groove of a pressure fixture arranged on the surface of the working platform, horizontal hooks are symmetrically arranged on the left side and the right side of the end of the drawing sliding groove, the hooks are hinged on a hinged seat and hook openings of the hooks face towards the pressure fixture and are used for hooking the edge of an end plate of the pressure fixture, and torsion springs are arranged on vertical hinged shafts of the hooks.
6. A pressure clamp clamping device according to claim 5, wherein: a plurality of pulleys are uniformly distributed at the bottom of the drawing sliding chute along the drawing direction; l-shaped limiting swing rods are symmetrically hinged to the left and the right of the notch at the head end of the drawing sliding chute, and the weight of the front parts of the limiting swing rods before the hinge point is smaller than the weight of the rear parts of the limiting swing rods after the hinge point; the limiting swing rods are all horizontally placed, the top surfaces of the limiting swing rods are higher than the bottoms of the drawing sliding grooves, and chamfers are arranged at the head ends of the limiting swing rods; the end notch of the drawing chute is bilaterally and symmetrically fixedly connected with an L-shaped limiting fixed rod, the limiting fixed rod is vertically placed, and the horizontal section of the top of the limiting fixed rod is embedded into an inserting opening on an end plate of the pressure clamp; a chamfer is arranged on the inner groove wall of the notch at the head end of the drawing chute; the groove walls on the left side and the right side of a dead end groove opening of the drawing sliding groove are fixedly connected with guide blocks, and guide middle wedge surfaces are arranged on the guide blocks; the inner side wall of each hook rod of the hook is provided with an inner guide part, the outer side wall of each hook rod is provided with an outer guide part, the inner guide part and the outer guide part are straight sections which are parallel to each other, the inner guide parts are located above the outer guide parts, the inner guide parts are used for rolling and matching inner guide wheels with horizontal end faces, the outer guide parts are used for rolling and matching outer guide wheels with horizontal end faces, the inner guide wheels and the outer guide wheels on the same side are both installed on the same adapter rod, the inner guide wheels and the outer guide wheels are arranged up and down, the end sides of the outer guide parts, far away from hook openings, are continuously extended backwards and swing outwards to form extension turning parts, and the extension turning parts are also located below the inner guide wheels; the adapter rods are fixedly connected to the side portion of a movable base body of the working platform, the movable base body is located on the side of the end of the drawing sliding groove, the bottom surface of the movable base body is installed on the working platform through a sliding block and a front-back extending sliding rail, and the movable base body is driven by an air cylinder or an oil cylinder or an electric push rod to move back and forth in a reciprocating mode.
7. A pressure jig clamping apparatus as claimed in claim 1, wherein: the electric screwdriver component comprises an electric screwdriver body, an output shaft of the electric screwdriver body is connected with an inner screwdriver head, an outer screwdriver head is coaxially sleeved on the outer peripheral portion of the inner screwdriver head, an axial guide component is arranged between the outer screwdriver head and the inner screwdriver head, and a buffer spring is arranged between the end portions of the outer screwdriver head and the inner screwdriver head.
8. A pressure clamp clamping device according to claim 7, wherein: the execution ends of the internal screwdriver head and the external screwdriver head are coaxially provided with internal hexagonal screw ports; the inner hexagonal screw mouth of the inner screwdriver head is a small mouth, and the inner hexagonal screw mouth of the outer screwdriver head is a large mouth.
9. A pressure clamp clamping device according to claim 7, wherein: the outer screwdriver head is coaxially communicated with a channel penetrated by the inner screwdriver head at the side of the inner hexagonal screw port, the channel consists of a cylindrical hole section and a polygonal hole section, the inner diameter of the cylindrical hole section is larger than that of the polygonal hole section, the cylindrical hole section is close to the inner hexagonal screw port, and the polygonal hole section is far away from the inner hexagonal screw port; the outer periphery of the inner screwdriver head at the position of the inner hexagonal screw opening is a cylindrical shaft section which is coaxially matched with the cylindrical hole section, and a polygonal shaft section which is coaxially and fixedly matched with the polygonal hole section is arranged on the cylindrical shaft section in the direction far away from the inner hexagonal screw opening; the polygonal hole section and the polygonal shaft section are matched to form an axial guide assembly; a spring mounting cavity is coaxially arranged inside the outer screwdriver head, a spring connecting cavity is arranged on the periphery of the inner screwdriver head, which is close to the output shaft of the screwdriver body, one end of a buffer spring is positioned in the spring mounting cavity, and the other end of the buffer spring is positioned in the spring connecting cavity; the outer screwdriver head is provided with a cylindrical guide section at the periphery close to the output shaft of the screwdriver body, and the outer diameter of the cylindrical guide section is equal to the inner diameter of the spring connecting cavity; the electric screwdriver body is arranged on an electric screwdriver frame, and the electric screwdriver frame is driven by a driving mechanism to move in a reciprocating manner along the axial direction; the driving mechanism comprises an air cylinder arranged on a movable seat body, a piston rod of the air cylinder is fixedly connected with an electric screwdriver frame, and the bottom of the electric screwdriver frame is in sliding fit with a sliding rail axially extending on the movable seat body through a sliding block; the bottom of the movable seat body is in sliding fit with a slide rail which axially extends on the rack through a slide block, and is driven to axially reciprocate and translate through an air cylinder or an oil cylinder or an electric push rod which is arranged on the rack; the end face of the movable seat body, which is at the same side with the inner hexagonal screw ports of the inner screwdriver head and the outer screwdriver head, is fixedly connected with a plurality of push rods which extend axially to form a pressing part for jacking the pressing plate of the clamp, and the end face is provided with a yielding through hole for the screwdriver head of the screwdriver body to pass through.
10. A method of operating a pressure jaw clamping apparatus as claimed in any one of claims 1 to 9, characterised by the steps of: (1) the pressure clamp is put in along a notch at the head end of the drawing chute, the head end of the limiting swing rod swings downwards under pressure, when the pressure clamp is pushed in place along a pulley of the drawing chute, the head end of the limiting swing rod automatically tilts to block the head end of the pressure clamp because the weight of the front part of the limiting swing rod before the hinged point is smaller than the weight of the rear part of the limiting swing rod after the hinged point, and the top horizontal section of the limiting fixed rod is embedded into an inserting and embedding opening on an end plate of the pressure clamp to limit the vertical degree of freedom; (2) the batteries are placed on the corresponding clamping spaces and supported by the battery placing half grooves; (3) the movable seat body drives the ejector rod and the electric screwdriver to move horizontally towards the pressure applying end of the pressure clamp; the ejector rod penetrates through the ejector rod through hole to perform jacking translation on the pressing plates at the pressing ends, all the batteries are pre-pressed one by a plurality of pressing plates, in the process, when the movable seat body translates towards the pressure clamp, the outer guide wheel gradually breaks away from the extension turning part and enters the outer guide part to perform rolling fit, the inner guide wheel gradually enters the inner guide part to perform rolling fit, and the hook gradually resets until the hook mouth is hooked on the edge of the end plate of the pressure clamp under the action of the torsion spring; at the moment, the inner guide wheel and the outer guide wheel are in contact with the inner guide part and the outer guide part, so that the arbitrary swinging and rotation of the hook can be limited, and the self-locking is realized; (4) the battery is pre-pressed in the clamping space, so that after a preset initial pressure value is fed back from the pressure sensor, the electric batch component starts to work: when the ejector rod pushes the pressing end pressing plate to be in place, the air cylinder drives the electric screwdriver to be close to the pressure maintaining mechanism, the outer screwdriver head sleeves the nut, the inner screwdriver head sleeves the end part of the screw rod, the buffer spring is compressed at the moment, the inner screwdriver head and the outer screwdriver head synchronously rotate, namely the nut screwed on the screw rod synchronously rotates when the screw rod rotates, and the relative position between the nut and the screw rod is unchanged; the rotation of the screw rod enables the pressure maintaining nut to move towards the pressure maintaining circular groove on the screw rod until the pressure maintaining nut is embedded into the pressure maintaining circular groove and is tightly held; after the screw is screwed, the inner screw head can be separated from the end part of the screw independently, the buffer spring is reset slightly, the outer screw head still sleeves the nut, the inner screw head and the outer screw head rotate synchronously at the moment, the inner screw head idles, and the outer screw head starts to screw the nut, so that the outer screw head and the pressure maintaining nut lock the screw together, the screw is prevented from rotating randomly, and pressure maintaining is realized; (5) after pressure maintaining, the ejector rod can withdraw from the pressure clamp, namely the movable base body retreats to drive the electric screwdriver component to retreat, the outer guide wheel gradually contacts the extension turning part, the hook opening opens, the pressure clamp in the pressure maintaining can be taken down at the moment, then the battery starts to be charged, in the charging process, because the battery is pressed by the pressing plate, the expansion caused by the internal pressure of the battery is directly transmitted to the pressure sensor for feedback, and therefore the change value of the internal pressure of the battery is obtained and is used for comparing with the normal range value to obtain a monitoring conclusion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111363452.2A CN114062728B (en) | 2021-11-17 | 2021-11-17 | Clamping device of pressure clamp and working method thereof |
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| CN202111363452.2A CN114062728B (en) | 2021-11-17 | 2021-11-17 | Clamping device of pressure clamp and working method thereof |
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| CN114062728A true CN114062728A (en) | 2022-02-18 |
| CN114062728B CN114062728B (en) | 2023-10-31 |
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| CN114062728B (en) | 2023-10-31 |
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