Stamping mechanism for battery accessory production

Abstract

The utility model discloses a stamping mechanism for battery accessory production, and relates to the technical field of stamping equipment. The stamping device comprises a mounting frame, a feeding structure, a stamping structure and a blanking structure, the first motor and the second motor are fixedly arranged on the two sides of the upper end of the mounting frame, the first nickel strip winding drum is connected with the output end of the first motor, the second nickel strip winding drum is connected with the output end of the second motor, the nickel sheet winding tape is wound around the outer wall of the first nickel strip winding drum, and one end of the nickel sheet winding tape is connected with the second nickel strip winding drum. The stamping structure comprises a hydraulic rod, a first die located at one end of the hydraulic rod, a second die located on one side of the first die, an annular cutter located at one end of the first die, a first protruding die core located in the cutter, a second die core formed in the first die and a cutting groove formed in the side of the second die core and corresponding to the cutter. The feeding structure and the stamping structure are arranged, so that the problems that nickel sheets with the thickness ranging from 0.05 mm to 0.2 mm are not easy to take during feeding, and the machining efficiency is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to stamping equipment technical field, especially battery accessories production stamping mechanism. BACKGROUND

[0002] The explosion-proof sheet is also called a safety pressure relief sheet or an explosion-proof film, which is a one-time pressure relief device, and is usually installed on the end cover or shell of a battery, especially a lithium ion battery. The core function is to rupture through a preset mechanical structure when the internal pressure of the battery abnormally rises, quickly release the internal gas and pressure, and prevent the battery from exploding or catching fire due to overpressure. The explosion-proof sheet is formed by stamping on a sheet.

[0003] A stamping forming device for aluminum nail explosion-proof sheets is disclosed in a Chinese patent (authorized publication number CN214290526U). The patent technology includes a support rod, a lower die plate, and a limiting plate. The upper end face of the lower die plate is installed with a lower die. A stamping groove is opened at the upper end of the lower die. A limiting block is installed on the side end inner wall of the stamping groove. A spring is installed on the bottom end inner wall of the stamping groove. The upper end of the spring is welded with a stamping block. A lower die core is arranged on the stamping block. The limiting plate is installed on the upper end of the lower die on both sides of the stamping groove. A limiting groove is opened on the limiting plate. The support rod is welded on the upper end face of the lower die plate. The upper end of the support rod is welded with a fixed plate. The lower end face of the fixed plate is welded with a drive box through a fixed frame. A hydraulic device is arranged in the drive box. The end of the hydraulic rod is installed with an upper die plate. The lower end of the upper die plate is provided with an upper die. The lower end of the upper die is provided with an upper die core. The utility model has the advantages of not needing manual material taking, continuous stamping, improved production efficiency, and reduced danger.

[0004] The patent technology has the advantage of automatic feeding during use, but still has deficiencies during use. The worker still needs to feed the nickel sheet with a thickness of 0.05-0.2mm. The structure of the nickel sheet is small and thin, and it is not easy to take during the feeding process, which affects the processing efficiency. Therefore, the battery accessory production stamping mechanism is provided by the person skilled in the art to solve the problems in the above background technology. INVENTION CONTENTS

[0005] 1. Technical solution

[0006] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model discloses a stamping mechanism for battery accessory production, which comprises a mounting frame, a feeding structure, a stamping structure, and a discharging structure,

[0008] The feeding structure comprises a guide wheel set arranged on the inner walls of the upper and lower ends of the mounting frame, a motor one and a motor two fixed on the two sides of the upper end of the mounting frame, a nickel strip winding drum one connected with the output end of the motor one, a nickel strip winding drum two connected with the output end of the motor two, and a nickel sheet winding strip wound on the outer wall of the nickel strip winding drum one and connected with the nickel strip winding drum two at one end;

[0009] The stamping structure comprises a hydraulic rod fixed in the interior of the mounting frame, a die one arranged at one end of the hydraulic rod, a die two arranged at one side of the die one, a cutter in the form of a ring arranged at one end of the die one, a die core one in the form of a protrusion arranged in the interior of the cutter, a die core two arranged in the interior of the die one, and a cutting groove arranged at the side of the die core two and corresponding to the cutter;

[0010] The blanking structure comprises stroke holes in the form of a ring array arranged in the interior of the die core two, and a top rod slidingly inserted into the interior of the stroke hole.

[0011] Further, the upper ends of the die one and the die two are respectively provided with a stroke plate one and a stroke plate two, and the interior of the stroke plate one is provided with a stroke port corresponding to the stroke plate two.

[0012] Specifically, the stroke plate one and the stroke plate two are welded by relative movement, and the stroke plate two and the rack two pass through the interior of the stroke plate two through the stroke port, thereby ensuring the effective movement of the stroke plate one and the stroke plate two during relative movement.

[0013] Further, the upper end of the stroke plate one is provided with equidistantly distributed racks one, the upper end of the stroke plate two is provided with equidistantly distributed racks two, the upper end of the mounting frame is provided with a bearing seat, a rotating shaft is rotatably arranged in the interior of the bearing seat, and a gear meshing with the racks one and the racks two is sleeved on the outer wall of the rotating shaft.

[0014] Specifically, the racks one and the racks two are arranged above and below the gear, the racks one are communicated with the racks two through the gear, and the stroke plate one is moved to drive the stroke plate two to move.

[0015] Further, the interior of the mounting frame is provided with symmetrically distributed guide rods one, and the interiors of the stroke plate one and the stroke plate two are respectively embedded with symmetrically distributed sliding sleeves one, and the sliding sleeves one are slidingly sleeved on the outer walls of the guide rods one.

[0016] Specifically, the stroke plate one and the stroke plate two are slidingly guided by the sliding sleeves one on the outer walls of the guide rods one during movement.

[0017] Further, the interior of the mounting frame is fixedly provided with a flow guide groove below the die one and the die two, and a collection box is arranged below the opening of the flow guide groove.

[0018] Specifically, the explosion-proof piece blanks formed after stamping and separated from the nickel sheet winding strip are guided and collected through the collection box.

[0019] Further, one end of the ejector rod is provided with a connecting block, a sliding sleeve two is embedded and installed in the connecting block, a guide rod two with one end connected with the die two is slidably inserted into the sliding sleeve two, and the die two is provided with a spring connected with the connecting block and sleeved with the outer side of the guide rod two;

[0020] Specifically, the spring supports one end of the connecting block, the elastic force is applied to the ejector rod through the connecting block, and the spring slides on the outer wall of the guide rod two through the sliding sleeve two when the connecting block moves. The guide rod two is arranged to guide the sliding of the spring and avoid the outward deviation of the spring in the stretching and contraction process.

[0021] 2. Beneficial effects

[0022] Compared with the prior art, the utility model has the advantages that:

[0023] The utility model discloses a nickel strip winding drum one winds the nickel strip winding in the winding drum shape, and the nickel strip winding is wound through the nickel strip winding drum two on the conveying line. The die one and the die two are located at the two sides of the nickel strip winding. The nickel sheet is punched and separated from the nickel strip winding through the extrusion mode. The die core one and the die core two are used for punching and shaping the anti-explosion sheet blank. The anti-explosion sheet blank is punched and processed from the nickel strip winding.

[0024] Meanwhile, after the anti-explosion sheet blank is punched and formed, the ejector rod that is extruded and contracted resets and ejects the anti-explosion sheet blank. The automatic discharging of the anti-explosion sheet blank is realized. The manual intervention is reduced. The manual nickel sheet feeding is avoided. The punching and processing efficiency of the anti-explosion sheet in the battery accessory is improved.

[0025] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the utility model. Those skilled in the art can also obtain other drawings according to these drawings without paying creative labor.

[0027] Figure 1 It is the front view three-dimensional structure schematic diagram of the utility model;

[0028] Figure 2 It is the rear view three-dimensional structure schematic diagram of the utility model's guide wheel group;

[0029] Figure 3 It is the side view three-dimensional structure schematic diagram of the utility model's punching structure;

[0030] Figure 4The utility model discloses a gear overhead perspective structure schematic diagram.

[0031] Figure 5 The utility model discloses a guide groove side perspective structure schematic diagram.

[0032] Figure 6 The utility model discloses a mold two side perspective structure schematic diagram.

[0033] In the drawing, the component list represented by each sign is as follows:

[0034] 100, mounting frame, 101, guide groove, 102, collection box,

[0035] 200, feeding structure, 201, guide wheel group, 202, motor one, 203, nickel strip reel one, 204, nickel sheet winding, 205, motor two, 206, nickel strip reel two,

[0036] 300, punching structure, 301, hydraulic rod, 302, mold one, 303, mold two, 304, guide rod one, 305, stroke plate one, 306, stroke plate two, 307, gear, 308, sliding sleeve one, 309, rack one, 310, bearing seat, 311, rack two, 312, cutter, 313, mold core one, 314, cutting groove, 315, mold core two, 316, stroke port, 317, rotating shaft,

[0037] 400, blanking structure, 401, ejector rod, 402, stroke hole, 403, spring, 404, sliding sleeve two, 405, connecting block, 406, guide rod two. DETAILED DESCRIPTION

[0038] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent and easy to understand, the specific embodiments of the utility model are explained in detail below with the drawings.

[0039] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and the person skilled in the art can make similar generalization without violating the connotation of the utility model, so the utility model is not limited by the following disclosed specific embodiments.

[0040] Secondly, the utility model is described in detail in combination with the schematic diagram, and when the embodiments of the utility model are described in detail, for the convenience of explanation, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model here. In addition, the three-dimensional spatial dimension of length, width and depth should be contained in actual manufacture.

[0041] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0042] Embodiment 1

[0043] Please refer to Figures 1-6 As shown in the figure, the embodiment is a stamping mechanism for battery accessory production, which comprises a mounting frame 100, a feeding structure 200 and a stamping structure 300,

[0044] The feeding structure 200 comprises a guide wheel set 201 located on the inner walls of the upper and lower ends of the mounting frame 100, a motor one 202 and a motor two 205 fixed on the upper end of the mounting frame 100, a nickel strip winding drum one 203 connected with the output end of the motor one 202, a nickel strip winding drum two 206 connected with the output end of the motor two 205, and a nickel sheet winding belt 204 wound on the outer wall of the nickel strip winding drum one 203 and connected with the nickel strip winding drum two 206 at one end;

[0045] The stamping structure 300 comprises a hydraulic rod 301 fixed in the mounting frame 100, a die one 302 located at one end of the hydraulic rod 301, a die two 303 located at one side of the die one 302, a cutter 312 in the form of a ring located at one end of the die one 302, a die core one 313 in the form of a protrusion located in the cutter 312, a die core two 315 opened in the die one 302, and a cutting groove 314 opened in the side of the die core two 315 and corresponding to the cutter 312;

[0046] The upper ends of the die one 302 and the die two 303 are respectively provided with a stroke plate one 305 and a stroke plate two 306, and the stroke plate one 305 is provided with a stroke port 316 corresponding to the stroke plate two 306;

[0047] The inner wall of the upper end of the stroke plate one 305 is provided with equidistantly distributed rack one 309, the upper end of the stroke plate two 306 is provided with equidistantly distributed rack two 311, the inner wall of the upper end of the mounting frame 100 is provided with a bearing seat 310, a rotating shaft 317 is rotatably installed in the bearing seat 310, and the rotating shaft 317 is provided with a gear 307 engaged with the rack one 309 and the rack two 311;

[0048] The inner wall of the upper end of the stroke plate one 305 is provided with equidistantly distributed rack one 309, the upper end of the stroke plate two 306 is provided with equidistantly distributed rack two 311, the inner wall of the upper end of the mounting frame 100 is provided with a bearing seat 310, a rotating shaft 317 is rotatably installed in the bearing seat 310, and the rotating shaft 317 is provided with a gear 307 engaged with the rack one 309 and the rack two 311;

[0049] The inner wall of the upper end of the stroke plate one 305 is provided with equidistantly distributed rack one 309, the upper end of the stroke plate two 306 is provided with equidistantly distributed rack two 311, the inner wall of the upper end of the mounting frame 100 is provided with a bearing seat 310, a rotating shaft 317 is rotatably installed in the bearing seat 310, and the rotating shaft 317 is provided with a gear 307 engaged with the rack one 309 and the rack two 311;

[0050] The use of the feeding structure and the stamping structure 300 is carried out;

[0051] The motor 202 drives the nickel strip winding roller 203 to release the nickel strip winding 204, the motor 205 drives the nickel strip winding roller 206 to synchronously wind, the nickel strip winding 204 is horizontally conveyed in the stamping station through the guide roller set 201, the guide roller set 201 balances the nickel strip tension through friction, prevents the winding from deviating or breaking, the nickel strip winding 204 passes through the gap between the die 302 and the die 303, the hydraulic rod 301 pushes the die 302 to move to the die 303, the annular cutter 312 moves synchronously with the die core 313 to cut into the nickel strip winding 204, the cutter 312 is embedded in the cutting groove 314 of the die 303, the nickel strip is cut into a circular anti-explosion piece blank, the die core 313 cooperates with the die core 315 to stamp a preset breaking line, such as a cross-shaped thinning area, in the center of the blank, when the die 302 moves, the travel plate 305 drives the gear 307 to rotate through the rack 309, the gear 307 drives the rack 311 to move the travel plate 306 in the opposite direction, realizing synchronous opposite movement of the double dies, ensuring that the stamping force is balanced, the guide rod 304 and the sliding sleeve 308 limit the displacement path of the travel plate, avoiding deviation, after stamping is completed, the hydraulic rod 301 is retracted, the die 302 is separated from the die 303, and the demolded anti-explosion piece blank falls into the flow guide groove 101 and slides into the collection box 102 for centralized recovery;

[0052] The linear motion of the die 302 is converted into synchronous opposite motion of the die 303 through the linkage structure composed of the gear 307, the rack 309 and the rack 311, ensuring that the stamping force is symmetrically distributed, reducing nickel strip deformation, and the traditional process needs to manually place 0.05-0.2mm thin nickel strip, which is easy to wrinkle and has large positioning deviation, the roll-to-roll automatic feeding significantly improves processing efficiency, and the whole process from feeding, stamping to discharging does not need manual intervention, which is suitable for continuous operation and avoids repeated activities of hands at the stamping structure 300, improving processing safety.

[0053] Embodiment 2

[0054] Please refer to Figures 1-6 The embodiment further includes a discharging structure 400 based on the embodiment 1,

[0055] The discharging structure 400 includes travel holes 402 arranged in a ring array inside the die core 315, and a top rod 401 slidingly inserted into the travel holes 402;

[0056] The top rod 401 is provided with a connecting block 405 at one end, the connecting block 405 is internally embedded and installed with a sliding sleeve 404, the sliding sleeve 404 is internally slidingly inserted with a guide rod 406 connected with the die 303 at one end, and the die 303 is provided with a spring 403 connected with the connecting block 405 and sleeved with the outer side of the guide rod 406 at one end;

[0057] The discharging structure 400 is used.

[0058] When the mold core one 313 and the mold core two 315 are docked, the ejector pin 401 is extruded and enters into one side of the mold two 303 through the stroke hole 402, after the mold core one 313 and the mold core two 315 are separated, the elastic force of the spring 403 drives the ejector pin 401 to move through the connecting block 405, the ejector pin 401 pushes out the explosion-proof disc blank after stamping forming, the automatic demolding of the explosion-proof disc blank is realized, the traditional stamping needs to sort out waste materials and finished products, time is consumed and materials are easily mixed, the waste materials are automatically wound, the finished products are automatically separated, the processing time is saved, and the finished product sorting is facilitated.

[0059] In the description of the utility model, need explanation further, unless another explicit provision and limitation, term'setting ','installation ','link ','connection'should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can pass through intermediate medium indirectly be connected, can be two elements inside the intercommunication. For ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility model according to specific circumstances.

[0060] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A stamping mechanism for battery assembly production, characterized by: It comprises a mounting frame (100), a feeding structure (200), a stamping structure (300) and a blanking structure (400), The feeding structure (200) comprises a guide wheel group (201) on the inner wall of the upper and lower ends of the mounting frame (100), a motor one (202) and a motor two (205) fixed on both sides of the upper end of the mounting frame (100), a nickel strip reel one (203) connected with the output end of the motor one (202), a nickel strip reel two (206) connected with the output end of the motor two (205), and a nickel sheet winding (204) wound on the outer wall of the nickel strip reel one (203) and connected with the nickel strip reel two (206) at one end. The stamping structure (300) comprises a hydraulic rod (301) fixed in the mounting frame (100), a die one (302) at one end of the hydraulic rod (301), a die two (303) at one side of the die one (302), a cutter (312) in the form of a ring at one end of the die one (302), a die core one (313) in the form of a protrusion inside the cutter (312), a die core two (315) opened in the die one (302), and a cutting groove (314) opened in the side of the die core two (315) and corresponding to the cutter (312). The blanking structure (400) comprises a stroke hole (402) in the form of a ring array distributed inside the die core two (315), and a top rod (401) slidingly inserted into the stroke hole (402).

2. The stamping mechanism for battery accessory production according to claim 1, characterized by: The upper ends of the die one (302) and the die two (303) are respectively provided with a stroke plate one (305) and a stroke plate two (306), and the inside of the stroke plate one (305) is provided with a stroke port (316) corresponding to the stroke plate two (306).

3. The stamping mechanism for battery accessory production according to claim 2, characterized by: The upper end inner wall of the stroke plate one (305) is provided with equidistantly distributed rack one (309), the upper end of the stroke plate two (306) is provided with equidistantly distributed rack two (311), the upper end inner wall of the mounting frame (100) is provided with bearing seat (310), the inside of the bearing seat (310) is rotatably installed with rotating shaft (317), the outer wall of the rotating shaft (317) is sleeved with gear (307) engaged with rack one (309) and rack two (311).

4. The stamping mechanism for battery accessory production according to claim 2, characterized by: The inside of the mounting frame (100) is provided with symmetrically distributed guide rod one (304), the inside of the stroke plate one (305) and the stroke plate two (306) is embeddedly installed with symmetrically distributed sliding sleeve one (308), and the sliding sleeve one (308) is slidingly sleeved on the outer wall of the guide rod one (304).

5. The stamping mechanism for battery accessory production according to claim 1, characterized by: The inside of the mounting frame (100) is fixedly provided with a flow guide groove (101) below the die one (302) and the die two (303), and a collecting box (102) is arranged below the opening of the flow guide groove (101).

6. The stamping mechanism for battery accessory production according to claim 1, characterized by: The top rod (401) one end is provided with the connecting block (405), the connecting block (405) inside embedded installation has the sliding sleeve two (404), the sliding sleeve two (404) inside sliding insertion has the guide rod two (406) one end and the mould two (303) are connected, the mould two (303) one end is provided with the spring (403) of the sleeve joint with the guide rod two (406) outside and is connected with the connecting block (405).

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