CN224087756U

CN224087756U - Button cell negative pole stamping forming die

Info

Publication number: CN224087756U
Application number: CN202520766950.9U
Authority: CN
Inventors: 韩聚国
Original assignee: Luoyang Anxin New Energy Technology Co ltd
Current assignee: Luoyang Anxin New Energy Technology Co ltd
Priority date: 2025-04-22
Filing date: 2025-04-22
Publication date: 2026-04-07
Anticipated expiration: 2035-04-22

Abstract

The utility model belongs to the technical field of production of button cell negative electrode covers, and particularly relates to a button cell negative electrode stamping forming die which comprises a lower die assembly, an upper die assembly, a lower die plate and guide rail rods, wherein the upper die assembly is arranged on the upper die plate, the lower die assembly is arranged below the upper die assembly and on the lower die plate, and the four guide rail rods are arranged and distributed at four corners between the upper die plate and the lower die plate. According to the utility model, through the cooperative matching of the lower die assembly and the upper die assembly, the high-efficiency continuous production of the button cell negative plate is realized. And when the upper die assembly returns, a spring telescopic rod in the lower die assembly automatically pushes the upper push plate and the ejection shaft to stably eject the formed negative plate, so that automatic demoulding is realized. The structural design realizes the integrated continuous operation of die cutting and stamping, improves the production efficiency, and simultaneously avoids the quality defect caused by material transfer in the traditional process.

Description

Button cell negative pole stamping forming die

Technical Field

The utility model belongs to the technical field of button cell negative electrode cover production, and particularly relates to a button cell negative electrode stamping forming die.

Background

In the production and manufacturing process of the button cell negative plate, a stamping forming process is a key link for determining the quality and the production efficiency of a product. The secondary processing technology of die cutting and then stamping adopted in the industry generally has the obvious technical defects that firstly, raw materials are firstly cut into round raw sheets through die cutting equipment and then transferred to stamping equipment for forming processing, the sectional processing mode not only increases production procedures, but also easily causes deformation and pollution of the raw sheets in the transfer process and influences the consistency of product quality, and secondly, the traditional stamping die is easy to sink and clamp in a die cavity due to structural design defects, operators have to manually take out the negative sheets by means of tools such as tweezers, so that the operation difficulty and the safety risk are increased, the products are easily scratched in the taking-out process, and the rejection rate is increased. Particularly in the mass production scene, the problems are more remarkable, on one hand, the process connection problem caused by secondary processing makes the production beat difficult to promote and restricts the release of productivity, and on the other hand, the manual sheet taking operation becomes the bottleneck of automatic transformation of the production line. For this purpose, a button cell negative pole stamping forming die is proposed.

Disclosure of utility model

The utility model aims to provide a button cell negative pole stamping forming die which can solve the technical problems.

The technical scheme adopted by the utility model is as follows:

The utility model provides a button cell negative pole stamping forming die which comprises a lower die assembly, an upper die assembly, a lower die plate and guide rail rods, wherein the upper die assembly is arranged on the upper die plate, the lower die assembly is arranged below the upper die assembly and on the lower die plate, and the four guide rail rods are arranged and distributed at four corners between the upper die plate and the lower die plate;

The lower die assembly comprises a cavity block, an upper push plate, a jacking shaft and a die cutting ring, wherein the cavity block is fixedly arranged on a lower die plate, the upper push plate is movably arranged in the cavity block, the die cutting ring penetrates through a top plate of the cavity block and is communicated with the inside of the cavity block, the jacking shaft is slidably sleeved in the die cutting ring, the lower side of the jacking shaft is fixedly arranged on the upper push plate, four spring telescopic rods are arranged in the cavity block, the upper side of each spring telescopic rod is arranged on the bottom surface of the upper push plate, the lower side of each spring telescopic rod abuts against the inner bottom surface of the cavity block, a limiting plate is arranged on the side surface of the cavity block, the limiting plate is detachably arranged on one side of the upper push plate, and a long plate matched with the side surface of the cavity block in a clamping manner is integrally arranged on the other side surface of the upper push plate.

The button cell negative pole stamping forming die is characterized in that the upper die assembly is driven by hydraulic equipment to move downwards, precise die cutting of materials is completed through the external cutting ring, then the adjusting shaft is rotated and positioned, the secondary die pressing plate is driven to drive the inward sinking die pressing rod to carry out secondary stamping forming, and after stamping is completed, the spring telescopic rod automatically pushes the ejection mechanism to stably eject the formed negative pole piece when the upper die assembly returns, so that automatic continuous production is realized.

Preferably, the upper die assembly comprises a lower pressing plate, a secondary pressing plate, an invagination pressing rod and an adjusting shaft, wherein the lower pressing plate is fixedly arranged on the surface of the upper die plate, the secondary pressing plate is arranged between the upper die plate and the lower pressing plate, the invagination pressing rod is fixedly arranged on the bottom surface of the secondary pressing plate and is sleeved in an circumscribed ring in a sliding manner, and the circumscribed ring is arranged on the upper die plate in a penetrating manner and corresponds to the die cutting ring up and down.

Preferably, the external cutting ring is in plug-in fit with the die cutting ring after being downwards moved, the inwards-sinking pressing die rod is in plug-in fit with the inner wall of the die cutting ring after being downwards moved, and the gap between the internal cutting die rod and the die cutting ring is 1.2 times of the thickness of the punching material.

Preferably, the adjusting shaft is arranged above the lower pressing plate and movably sleeved in the wrapping sleeve, the wrapping sleeve is fixedly arranged on the surface of the lower pressing plate, two ear blocks are arranged in the wrapping sleeve and matched with the inner sleeves of the earholes, the adjusting shaft is matched with the inner sleeves of the round holes penetrating through the lower pressing plate, the earholes are symmetrically formed in the inner walls of the round holes, the upper side of the adjusting shaft is rotatably provided with a bearing sleeve, and the upper side of the bearing sleeve is fixedly provided with a mounting sleeve.

Preferably, a fixing ring for limiting the adjusting shaft from being separated from the wrapping sleeve is arranged on the inner upper side of the wrapping sleeve.

Preferably, a plurality of ejector rods are arranged between the lower pressing plate and the upper template, the lower sides of the ejector rods are fixedly arranged on the surface of the upper template, the upper sides of the ejector rods slide to penetrate through the secondary pressing template and are propped against the bottom surface of the lower pressing plate, a plurality of push-up springs are arranged between the secondary pressing template and the upper template, and the push-up springs are sleeved on the ejector rods.

The beneficial effects are as follows:

1. According to the utility model, through the cooperative matching of the lower die assembly and the upper die assembly, the high-efficiency continuous production of the button cell negative plate is realized. The secondary die pressing plate drives the inward sinking die pressing rod to perform secondary stamping forming on the die-cut raw sheet by precise control of the adjusting shaft, and a negative electrode sheet structure meeting requirements is formed in the die cutting ring. After stamping, when the upper die assembly returns, a spring telescopic rod in the lower die assembly automatically pushes the upper push plate and the ejection shaft to stably eject the formed negative plate, so that automatic demoulding is realized. The structural design realizes the integrated continuous operation of die cutting and stamping, improves the production efficiency, and simultaneously avoids the quality defect caused by material transfer in the traditional process.

2. According to the utility model, through the linkage design of the optimized spring telescopic rod, the upper push plate and the ejection shaft in the lower die assembly, the formed negative plate can be ensured to be stably and completely ejected from the die cutting ring. The precise stroke control of the ejection mechanism ensures that the ejection force is uniformly distributed, effectively solves the problems of sticking and deformation of products in the traditional die, and remarkably improves the production stability and the product consistency.

Drawings

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic view of the lower die assembly of the present utility model;

FIG. 3 is a schematic view of the lower die assembly of the present utility model;

FIG. 4 is a schematic view of another side structure of the lower die assembly of the present utility model;

FIG. 5 is a schematic view of the upper module structure of the present utility model;

FIG. 6 is an exploded view of the upper module of the present utility model;

Fig. 7 is a schematic top view of an exploded view of the upper die assembly of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. The die comprises a lower die assembly, a cavity block, a 12, an upper pushing plate, a 12a, a limiting plate, a 13, a spring telescopic rod, a 14, an ejection shaft, a 15, a die cutting ring, a 16, a baffle plate, a2, an upper die plate, a 2a, an external cutting ring, a3, an upper die assembly, a 31, a lower pressing plate, a 31a, an earhole, a 32, a secondary die plate, a 33, an inward sinking pressing die rod, a 34, an ejector rod, a 35, an upward pushing spring, a 36, a wrapping sleeve, a 37, an adjusting shaft, a 37a, an ear block, a 38, a bearing sleeve, a 39, an installation sleeve, a 4, a guide rail rod and a 5, and a lower die plate.

Detailed Description

The present utility model will be specifically described with reference to examples below in order to make the objects and advantages of the present utility model more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the utility model and does not limit the scope of the utility model strictly as claimed.

As shown in fig. 1-7, a button cell negative pole stamping forming die comprises a lower die assembly 1, an upper die assembly 3, a lower die plate 5 and guide rail rods 4, wherein the upper die assembly 3 is arranged on the upper die plate 2, the lower die assembly 1 is arranged below the upper die assembly 3 and on the lower die plate 5, the guide rail rods 4 are four and distributed at four corners between the upper die plate 2 and the lower die plate 5, and the guide rail rods 4 are arranged as sliding telescopic rods of an inner sleeve, so that the moving track of the upper die assembly 3 corresponds to the lower die assembly 1, and the matching effect of the upper die assembly 3 and the lower die assembly 1 is improved;

the lower die assembly 1 comprises a cavity block 11, an upper push plate 12, an ejection shaft 14 and a die-cutting ring 15, wherein the cavity block 11 is fixedly arranged on the lower die plate 5, the upper push plate 12 is movably arranged in the cavity block 11, the die-cutting ring 15 penetrates through the top plate of the cavity block 11 and is communicated with the inside of the cavity block, the ejection shaft 14 is slidably sleeved in the die-cutting ring 15, the lower side of the ejection shaft is fixedly arranged on the upper push plate 12, four spring telescopic rods 13 are arranged in the cavity block 11, the upper side of each spring telescopic rod 13 is arranged on the bottom surface of the upper push plate 12, the lower side of each spring telescopic rod abuts against the inner bottom surface of the cavity block 11, a limiting plate 12a is arranged on the side surface of the cavity block 11, the limiting plate 12a is detachably arranged on one side of the upper push plate 12, and a long slat matched with the side surface of the cavity block 11 in a clamping mode is integrally arranged on the other side surface of the upper push plate 12.

As an alternative embodiment, the upper die assembly 3 includes a lower platen 31, a secondary die plate 32, an invagination die rod 33 and an adjusting shaft 37, the lower platen 31 is fixedly installed on the surface of the upper die plate 2, the secondary die plate 32 is arranged between the upper die plate 2 and the lower platen 31, the invagination die rod 33 is fixedly installed on the bottom surface of the secondary die plate 32 and is slidably sleeved in the circumscribed ring 2a, the circumscribed ring 2a is installed on the upper die plate 2 in a penetrating manner and corresponds to the die cutting ring 15 up and down, and the plugging and matching effect after the lower die assembly 3 is moved down is improved.

Referring to fig. 3 and 6, the outer cutting ring 2a is inserted and matched with the die cutting ring 15 after being moved downwards, the inward sinking pressing rod 33 is inserted and matched with the inner wall of the die cutting ring 15 after being moved downwards, and the gap between the two is 1.2 times of the thickness of the punching material, so that the material can be uniformly formed in a flowing mode in the punching process.

Further, the adjusting shaft 37 is arranged above the lower pressing plate 31 and movably sleeved in the wrapping sleeve 36, the wrapping sleeve 36 is fixedly arranged on the surface of the lower pressing plate 31, two ear blocks 37a are arranged in the wrapping sleeve 36, the ear blocks 37a are matched with the inner sleeves of the ear holes 31a, the adjusting shaft 37 is matched with the inner sleeves of the round holes formed in the lower pressing plate 31 in a penetrating mode, the ear holes 31a are symmetrically formed in the inner walls of the round holes, the bearing sleeve 38 is rotatably arranged on the upper side of the adjusting shaft 37, the mounting sleeve 39 is fixedly arranged on the upper side of the bearing sleeve 38, and the mounting sleeve 39 is fixedly connected with an output shaft of the hydraulic equipment.

Further, a fixing ring for limiting the adjusting shaft 37 to be separated from the wrapping sleeve 36 upwards is arranged on the upper side in the wrapping sleeve 36, and is used for controlling the maximum axial travel of the adjusting shaft 37, ensuring the safe resetting of the upper die assembly 3, and baffles 16 are arranged on two sides of the surface of the cavity block 11 and are used for limiting the punched material.

Further, a plurality of ejector rods 34 are arranged between the lower pressing plate 31 and the upper template 2, the lower sides of the ejector rods 34 are fixedly arranged on the surface of the upper template 2, the upper sides of the ejector rods are in sliding penetration with the secondary pressing plate 32 and are abutted against the bottom surface of the lower pressing plate 31, a plurality of push-up springs 35 are arranged between the secondary pressing plate 32 and the upper template 2, and the push-up springs 35 are sleeved on the ejector rods 34 to form an elastic reset mechanism for continuous downward movement operation.

By adopting the structure, when the upper die assembly 3 is driven by hydraulic equipment to move downwards, firstly, the precise die cutting of materials is finished through the external cutting ring 2a, then, the adjusting shaft 37 is rotated and positioned, the secondary die pressing plate 32 is driven to drive the invagination die pressing rod 33 to carry out secondary stamping forming, and after the stamping is finished, the spring telescopic rod 13 automatically pushes the ejection mechanism to stably eject the formed negative plate when the upper die assembly 3 returns, so that automatic continuous production is realized.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model. Standard parts used in the file of the utility model can be purchased from market, and can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets, welding and the like in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, the control mode is controlled automatically by a controller, a control circuit of the controller can be realized by simple programming of a person skilled in the art, the utility model belongs to common general knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the utility model does not explain the control mode and circuit connection in detail. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The button cell negative pole stamping forming die is characterized by comprising a lower die assembly (1), an upper die assembly (3), a lower die plate (5) and guide rail rods (4), wherein the upper die assembly (3) is arranged on the upper die plate (2), the lower die assembly (1) is arranged below the upper die assembly (3) and on the lower die plate (5), and the four guide rail rods (4) are arranged and distributed at four corners between the upper die plate (2) and the lower die plate (5);

Lower die assembly (1) includes cavity piece (11), goes up push pedal (12), ejecting axle (14) and cross cutting ring (15), cavity piece (11) fixed mounting is on lower bolster (5), go up push pedal (12) activity setting in cavity piece (11), cross cutting ring (15) run through the roof of cavity piece (11) and communicate rather than inside, ejecting axle (14) slip cap is established in cross cutting ring (15), its downside fixed mounting is on last push pedal (12), be provided with four spring telescopic link (13) in cavity piece (11), the upside of spring telescopic link (13) is installed in last push pedal (12) bottom surface, and its downside supports in the inside bottom surface of cavity piece (11), the side of cavity piece (11) is provided with limiting plate (12 a), and limiting plate (12 a) demountable installation is in one side of last push pedal (12), the opposite side of going up push pedal (12) an organic whole be provided with cavity piece (11) side joint complex length.

2. The button cell negative pole stamping forming die of claim 1, wherein the upper die assembly (3) comprises a lower pressing plate (31), a secondary pressing plate (32), an inward pressing rod (33) and an adjusting shaft (37), the lower pressing plate (31) is fixedly arranged on the surface of the upper die plate (2), the secondary pressing plate (32) is arranged between the upper die plate (2) and the lower pressing plate (31), the inward pressing rod (33) is fixedly arranged on the bottom surface of the secondary pressing plate (32) and is sleeved in an external cutting ring (2 a) in a sliding mode, and the external cutting ring (2 a) is installed on the upper die plate (2) in a penetrating mode and corresponds to the die cutting ring (15) in an up-down mode.

3. The button cell negative pole stamping forming die of claim 2, wherein the external cutting ring (2 a) is inserted and matched with the die cutting ring (15) after being moved downwards, the inward sinking pressing die rod (33) is inserted and matched with the inner wall of the die cutting ring (15) after being moved downwards, and the gap between the external cutting ring and the die cutting ring is 1.2 times of the thickness of the stamping material.

4. The button cell negative pole stamping forming die of claim 3, wherein the adjusting shaft (37) is arranged above the lower pressing plate (31) and movably sleeved in the wrapping sleeve (36), the wrapping sleeve (36) is fixedly arranged on the surface of the lower pressing plate (31), two lugs (37 a) are arranged in the wrapping sleeve (36), the lugs (37 a) are matched with the inner sleeves of the lugs (31 a), the adjusting shaft (37) is matched with the inner sleeves of round holes penetrating through the lower pressing plate (31), the lugs (31 a) are symmetrically arranged on the inner walls of the round holes, a bearing sleeve (38) is rotatably arranged on the upper side of the adjusting shaft (37), and an installation sleeve (39) is fixedly arranged on the upper side of the bearing sleeve (38).

5. The button cell negative pole stamping forming die of claim 4, wherein the upper side in the wrap (36) is provided with a fixed ring for limiting the adjusting shaft (37) from being separated from the wrap (36) upwards.

6. The button cell negative pole stamping forming die of claim 5, wherein a plurality of ejector rods (34) are arranged between the lower pressing plate (31) and the upper template (2), the lower sides of the ejector rods (34) are fixedly arranged on the surface of the upper template (2), the upper sides of the ejector rods slide through the secondary pressing plate (32) and are abutted against the bottom surface of the lower pressing plate (31), a plurality of upward pushing springs (35) are arranged between the secondary pressing plate (32) and the upper template (2), and the upward pushing springs (35) are sleeved on the ejector rods (34).