Cylinder battery sealing machine

Abstract

The utility model provides a cylindrical battery sealing machine, including casing, lifting drive component, installation base, splicing lower die subassembly and punch upper die subassembly, the upper and lower both ends of casing are equipped with installation top plate and installation bottom plate respectively, lifting drive component is fixed on the installation bottom plate, installation base is fixed in the power output of lifting drive component and corresponds to the below of installation top plate, splicing lower die subassembly includes spacing bottom plate, fixed splicing block, fixed arc block, fixed spacing ring, rotation axle stem, movable splicing block, movable arc block and first spring plunger. The advantage of this design is that: cylindrical battery can be put into the lower die from the horizontal direction, which reduces the vertical height of the equipment. Moreover, by setting the limiting sleeve to limit the fixed arc block and the movable arc block, the movable splicing block can be prevented from opening during the stamping process. The method of using a cylinder to compress the splicing block is abandoned, saving the cost of equipment.

Description

Technical Field

[0001] This utility model relates to the field of battery manufacturing technology, and in particular to a cylindrical battery sealing machine. Background Technology

[0002] Batteries are common in daily life and are widely used. Cylindrical dry cell batteries are divided into different systems such as lithium iron phosphate, lithium cobalt oxide, lithium manganese oxide, and cobalt-manganese hybrid batteries. The casing is usually made of steel or polymer. In the current cylindrical battery production process, after the cylindrical battery is filled with electrolyte, it needs to be manually installed into the lower mold, and then the cylindrical battery is sealed by a stamping assembly. Currently, there are two main types of lower molds for cylindrical batteries. One type has a vertical circular hole in the lower mold, into which the battery is inserted vertically from above. This structure requires space for the cylindrical battery, resulting in a larger gap between the upper and lower molds, a greater vertical height of the equipment, and an increased stamping stroke. The second type uses a splicing lower mold with two sets of semi-circular grooves corresponding to two sets of splicing blocks. With the lower mold open, the battery can be inserted horizontally into one set of grooves, and then the splicing blocks are closed, placing the battery within the circular hole formed by the two sets of semi-circular grooves. While this method reduces the vertical height of the equipment, it requires a cylinder to press the splicing blocks closed during the stamping stage, increasing manufacturing costs. Therefore, it is necessary to develop a cylindrical battery sealing machine to address these issues. Utility Model Content

[0003] The purpose of this invention is to provide a cylindrical battery sealing machine to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A cylindrical battery sealing machine includes a housing, a lifting drive assembly, a mounting base, a lower splicing die assembly, and a stamping upper die assembly. The housing has a top mounting plate and a bottom mounting plate at its upper and lower ends, respectively. The lifting drive assembly is fixed to the bottom mounting plate, and the mounting base is fixed to the power output end of the lifting drive assembly and corresponds to the area below the top mounting plate. The lower splicing die assembly includes a limiting base plate, a fixed splicing block, a fixed arc-shaped block, a fixed limiting ring, a rotating shaft, a movable splicing block, a movable arc-shaped block, and a first spring plunger. The limiting base plate is fixed above the mounting base and has a U-shaped groove on its right side. The fixed splicing block is fixed above the limiting base plate and has a first semi-circular groove on its right side, the lower end of which communicates with the U-shaped groove. The fixed arc-shaped block and the fixed limiting ring are sequentially... The lower end of the rotating shaft is fixed on the limiting base plate and corresponds to the rear side of the fixed splicing block. The front side of the limiting base plate is provided with a splicing positioning hole corresponding to the right side of the fixed splicing block. The rear end of the movable splicing block is rotatably mounted on the rotating shaft. The left side of the movable splicing block is provided with a second semi-circular groove. The first semi-circular groove and the second semi-circular groove are combined to form a circular hole. The movable arc block is fixed on the upper end of the movable splicing block and corresponds to the lower side of the fixed limiting ring. The first spring plunger is fixed on the lower end of the movable splicing block and its elastic extension end corresponds to the splicing positioning hole. The stamping upper die assembly is fixed on the mounting top plate. The lower end of the stamping upper die is provided with a limiting sleeve. The limiting sleeve is sleeved on the outer periphery of the fixed arc block and the movable arc block in the mold closing state.

[0006] Further description of this utility model: The upper stamping die includes an upper die base, a sliding block, a compression spring, a stamping head, and a limiting sleeve. The upper end of the upper die base is fixed on the mounting top plate. The upper die base is provided with a sliding groove. The sliding block is slidably connected to the sliding groove. The upper and lower ends of the sliding block are respectively provided with a first protrusion and a second protrusion. The lower end of the compression spring is sleeved on the first protrusion, and the upper end contacts the mounting top plate. The upper end of the stamping head is threadedly connected to the lower end of the second protrusion, and the lower end passes through the lower end of the upper die base. The limiting sleeve is threadedly connected to the outer circumference of the lower end of the upper die base.

[0007] Further description of the present invention: The lifting drive assembly includes a lifting cylinder, a lifting plate, a guide column, and a guide sleeve. The lower end of the lifting cylinder is fixed on the mounting base plate with the power output end facing upward. The lifting plate is fixed on the power output end of the lifting cylinder. The mounting base is fixed above the lifting plate. The upper and lower ends of the guide column are respectively fixed on the mounting top plate and the mounting base plate. The guide sleeve is fixed on the lifting plate and slidably connected to the guide column. Multiple sets of guide columns and guide sleeves are provided, each corresponding to the outer periphery of the mounting base.

[0008] Further description of this utility model: The mounting base includes a slide table, a slide plate, a first fixing block, a first limiting post, a second fixing block, a second limiting post, and a second spring plunger. The slide table is fixed above the lifting plate. The slide plate is slidably connected to the slide table and can slide left and right along the slide table. Two sets of stamping upper die assemblies are arranged in the left and right directions. The limiting base plate is fixed above the slide plate. The first fixing block is fixed on the lifting plate and corresponds to the left side of the slide table. The first limiting post is fixed on the first fixing block and its right end protrudes from the first fixing block. The second fixing block is fixed on the lifting plate and corresponds to the left side of the slide table. On the right side, the second limiting post is fixed to the second fixed block and its left end protrudes from the second fixed block. The front side of the slide plate is provided with a connecting boss, which corresponds between the first limiting post and the second limiting post. The second spring plunger is threadedly connected to the connecting boss and its elastic extension end faces downward. The lifting plate is provided with a first positioning hole and a second positioning hole. When the left end of the connecting boss contacts the first limiting post, the elastic extension end of the second spring plunger corresponds to the first positioning hole. When the right end of the connecting boss contacts the second limiting post, the elastic extension end of the second spring plunger corresponds to the second positioning hole.

[0009] Further description of the present invention: The mounting base also includes a locking nut, which is threadedly connected to the outer circumference of the second spring plunger, and the lower end face of the locking nut contacts the upper end face of the connecting boss.

[0010] Further description of the present invention: The mounting base also includes a rotating handle, which is fixed to the upper end of the second spring plunger.

[0011] Further description of the present invention: The splicing lower mold assembly also includes a drive handle, which is fixed to the front side of the movable splicing block.

[0012] The beneficial effects of this utility model are as follows: When stamping and sealing a cylindrical battery, the movable splicing block is first opened, and the bottom of the cylindrical battery is placed in the U-shaped groove, with the top of the battery corresponding to the fixed arc block. Then, the movable splicing block is closed, and the elastic telescopic end of the first spring plunger is inserted into the splicing positioning hole, so that the position of the movable splicing block is initially fixed. The battery corresponds to the circular hole formed by the first semicircular groove and the second semicircular groove. The fixed arc block and the movable arc block are spliced ​​into a ring. Under the action of the lifting drive assembly, the splicing lower mold assembly rises, and the limiting sleeve on the stamping upper mold assembly is first fitted around the outer periphery of the fixed arc block and the movable arc block, so that the movable splicing block will not open during the subsequent stamping process. Then, as the splicing lower mold assembly continues to rise, the stamping structure of the stamping upper mold assembly stamps and seals the top of the cylindrical battery. The advantages of this design are: cylindrical batteries can be placed into the lower mold horizontally, reducing the vertical height of the equipment; and by setting a limiting sleeve to limit the fixed arc block and the movable arc block, the movable splicing block can be prevented from opening during the stamping process, eliminating the need to use a cylinder to press the splicing block, thus saving equipment costs. Attached Figure Description

[0013] Figure 1 This is an overall structural diagram of the present invention;

[0014] Figure 2 This is a structural diagram of the lifting drive assembly in this utility model;

[0015] Figure 3 This is a structural diagram of the mounting base and the splicing lower mold assembly in this utility model;

[0016] Figure 4 This is a structural diagram of the splicing lower mold assembly in this utility model (in the open state);

[0017] Figure 5 This is a cross-sectional view of the stamping upper die assembly in this utility model;

[0018] Explanation of reference numerals in the attached figures:

[0019] 1. Housing; 11. Mounting top plate; 12. Mounting bottom plate; 2. Lifting drive assembly; 21. Lifting cylinder; 22. Lifting plate; 221. First positioning hole; 222. Second positioning hole; 23. Guide post; 24. Guide sleeve; 3. Mounting base; 31. Slide table; 32. Slide plate; 321. Connecting boss; 33. First fixing block; 34. First limiting post; 35. Second fixing block; 36. Second limiting post; 37. Second spring plunger; 38. Locking nut; 39. Rotating handle; 4. Assembled lower mold assembly; 41. Limiting base Plate; 411, U-shaped groove; 412, splicing positioning hole; 42, fixed splicing block; 421, first semi-circular groove; 43, fixed arc block; 44, fixed limiting ring; 45, rotating shaft; 46, movable splicing block; 461, second semi-circular groove; 47, movable arc block; 48, first spring plunger; 49, drive handle; 5, stamping upper die assembly; 51, upper die base; 511, slide groove; 52, sliding block; 521, first protrusion; 522, second protrusion; 53, compression spring; 54, stamping head; 55, limiting sleeve. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings:

[0021] like Figures 1 to 5As shown, a cylindrical battery sealing machine includes a housing 1, a lifting drive assembly 2, a mounting base 3, a lower die assembly 4, and a stamping upper die assembly 5. The housing 1 has a mounting top plate 11 and a mounting bottom plate 12 at its upper and lower ends, respectively. The lifting drive assembly 2 is fixed to the mounting bottom plate 12. The mounting base 3 is fixed to the power output end of the lifting drive assembly 2 and corresponds to the area below the mounting top plate 11. The lower die assembly 4 includes a limiting base plate 41, a fixed splicing block 42, a fixed arc block 43, a fixed limiting ring 44, a rotating shaft 45, a movable splicing block 46, a movable arc block 47, and a first spring plunger 48. The limiting base plate 41 is fixed above the mounting base 3 and has a U-shaped groove 411 on its right side. The fixed splicing block 42 is fixed above the limiting base plate 41 and has a first semi-circular groove 421 on its right side. The lower end of the first semi-circular groove 421 communicates with the U-shaped groove 411. The fixed arc block 43 and the fixed limiting ring 48... 4. The upper part of the fixed splicing block 42 is fixed in sequence. The lower end of the rotating shaft 45 is fixed on the limiting base plate 41 and corresponds to the rear side of the fixed splicing block 42. The front side of the limiting base plate 41 is provided with a splicing positioning hole 412 corresponding to the right side of the fixed splicing block 42. The rear end of the movable splicing block 46 is rotatably mounted on the rotating shaft 45. The left side of the movable splicing block 46 is provided with a second semi-circular groove 461. The first semi-circular groove 421 and the second semi-circular groove 461 are combined to form a circular hole. The movable arc block 47 is fixed at the upper end of the movable splicing block 46 and corresponds to the lower part of the fixed limiting ring 44. The first spring plunger 48 is fixed at the lower end of the movable splicing block 46 and the elastic extension end corresponds to the splicing positioning hole 412. The stamping upper die assembly 5 is fixed on the mounting top plate 11. The lower end of the stamping upper die is provided with a limiting sleeve 55. The limiting sleeve 55 is sleeved on the outer periphery of the fixed arc block 43 and the movable arc block 47 in the mold closing state.

[0022] When stamping and sealing the cylindrical battery, the movable splicing block 46 is first opened, and the bottom of the cylindrical battery is placed in the U-shaped groove 411, with the top of the battery corresponding to the fixed arc block 43. Then, the movable splicing block 46 is closed, and the elastic telescopic end of the first spring plunger 48 is inserted into the splicing positioning hole 412, so that the position of the movable splicing block 46 is initially fixed. The battery corresponds to the circular hole formed by the first semi-circular groove 421 and the second semi-circular groove 461. The fixed arc block 43 and the movable arc block 47 are spliced ​​into a ring. Under the action of the lifting drive component 2, the splicing lower mold component 4 rises. The limiting sleeve 55 on the stamping upper mold component 5 is first sleeved on the outer periphery of the fixed arc block 43 and the movable arc block 47, so that the movable splicing block 46 will not open during the subsequent stamping process. Then, as the splicing lower mold component 4 continues to rise, the stamping structure of the stamping upper mold component 5 stamps and seals the top of the cylindrical battery. The advantages of this design are: the cylindrical battery can be placed into the lower mold horizontally, reducing the vertical height of the equipment; and by setting the limiting sleeve 55 to limit the fixed arc block 43 and the movable arc block 47, the movable splicing block 46 can be prevented from opening during the stamping process, thus eliminating the need to use a cylinder to press the splicing block and saving equipment costs.

[0023] The upper stamping die includes an upper die base 51, a sliding block 52, a compression spring 53, a stamping head 54, and a limiting sleeve 55. The upper end of the upper die base 51 is fixed on the mounting top plate 11. The upper die base 51 is provided with a sliding groove 511. The sliding block 52 is slidably connected to the sliding groove 511. The upper and lower ends of the sliding block 52 are respectively provided with a first protrusion 521 and a second protrusion 522. The lower end of the compression spring 53 is sleeved on the first protrusion 521, and the upper end is in contact with the mounting top plate 11. The upper end of the stamping head 54 is threadedly connected to the lower end of the second protrusion 522, and the lower end passes through the lower end of the upper die base 51. The limiting sleeve 55 is threadedly connected to the outer circumference of the lower end of the upper die base 51.

[0024] Under the action of the lifting drive component 2, the splicing lower mold component 4 rises. The limiting sleeve 55 on the stamping upper mold component 5 is first sleeved on the outer periphery of the fixed arc block 43 and the movable arc block 47. Then, as the splicing lower mold component 4 continues to rise, the stamping head 54, guided by the fixed limiting ring 44, passes into the round hole and contacts the top of the battery to stamp and seal. The compression spring 53 is compressed, which plays a buffering role. The position of the limiting sleeve 55 can be flexibly adjusted by rotating according to different splicing lower mold components 4.

[0025] The lifting drive assembly 2 includes a lifting cylinder 21, a lifting plate 22, a guide column 23, and a guide sleeve 24. The lower end of the lifting cylinder 21 is fixed on the mounting base plate 12 with its power output end facing upward. The lifting plate 22 is fixed on the power output end of the lifting cylinder 21. The mounting base 3 is fixed above the lifting plate 22. The upper and lower ends of the guide column 23 are respectively fixed on the mounting top plate 11 and the mounting base plate 12. The guide sleeve 24 is fixed on the lifting plate 22 and is slidably connected to the guide column 23. Multiple sets of guide columns 23 and guide sleeves 24 are provided, each corresponding to the outer periphery of the mounting base 3.

[0026] The lifting cylinder 21 drives the lifting plate 22 to slide vertically on the guide post 23, thereby driving the lower mold assembly 4 to rise and fall.

[0027] The mounting base 3 includes a slide table 31, a slide plate 32, a first fixing block 33, a first limiting post 34, a second fixing block 35, a second limiting post 36, and a second spring plunger 37. The slide table 31 is fixed above the lifting plate 22. The slide plate 32 is slidably connected to the slide table 31 and can slide left and right along the slide table 31. The stamping upper die assembly 5 is arranged in two sets along the left and right directions. The limiting base plate 41 is fixed above the slide plate 32. The first fixing block 33 is fixed on the lifting plate 22 and corresponds to the left side of the slide table 31. The first limiting post 34 is fixed on the first fixing block 33 and its right end protrudes from the first fixing block 33. The second fixing block 35 is fixed on the lifting plate 22 and corresponds to the right side of the slide table 31. The second limiting post 36... The column 36 is fixed on the second fixing block 35 and its left end protrudes from the second fixing block 35. The front side of the slide plate 32 is provided with a connecting boss 321, which corresponds to the space between the first limiting column 34 and the second limiting column 36. The second spring plunger 37 is threadedly connected to the connecting boss 321 and its elastic extension end faces downward. The lifting plate 22 is provided with a first positioning hole 221 and a second positioning hole 222. When the left end of the connecting boss 321 contacts the first limiting column 34, the elastic extension end of the second spring plunger 37 corresponds to the space inside the first positioning hole 221. When the right end of the connecting boss 321 contacts the second limiting column 36, the elastic extension end of the second spring plunger 37 corresponds to the space inside the second positioning hole 222.

[0028] Two sets of upper stamping die assemblies 5 are provided to accommodate two different specifications of cylindrical batteries for stamping. When stamping at the left station, the left end of the connecting boss 321 contacts the first limiting post 34, and the elastic extension end of the second spring plunger 37 corresponds to the first positioning hole 221. When changing the model, only the lower die assembly 4 needs to be replaced and the slide plate 32 needs to be pushed to move it to the right. The right end of the connecting boss 321 contacts the second limiting post 36, and the elastic extension end of the second spring plunger 37 corresponds to the second positioning hole 222, thus completing the quick positioning.

[0029] The mounting base 3 also includes a locking nut 38, which is threaded to the outer circumference of the second spring plunger 37, and the lower end face of the locking nut 38 contacts the upper end face of the connecting boss 321.

[0030] By setting the locking nut 38, the second spring plunger 37 can be further secured, preventing the second spring plunger 37 from rotating during the stamping process.

[0031] The mounting base 3 also includes a rotating handle 39, which is fixed to the upper end of the second spring plunger 37, making it easy to drive the second spring plunger 37 to rotate in order to adjust its height.

[0032] The splicing lower mold assembly 4 also includes a drive handle 49, which is fixed to the front side of the movable splicing block 46 and can easily drive the movable splicing block 46 to rotate so as to open or close it.

[0033] The above does not limit the technical scope of this utility model. Any modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of this utility model shall still fall within the scope of the technical solution of this utility model.

Claims

1. A cylindrical battery sealing machine, characterized in that: The assembly includes a housing, a lifting drive assembly, a mounting base, a lower die assembly, and an upper die assembly. The housing has a top mounting plate and a bottom mounting plate at its upper and lower ends, respectively. The lifting drive assembly is fixed to the bottom mounting plate. The mounting base is fixed to the power output end of the lifting drive assembly and corresponds to the area below the top mounting plate. The lower die assembly includes a limiting base plate, a fixed splicing block, a fixed arc-shaped block, a fixed limiting ring, a rotating shaft, a movable splicing block, a movable arc-shaped block, and a first spring plunger. The limiting base plate is fixed above the mounting base and has a U-shaped groove on its right side. The fixed splicing block is fixed above the limiting base plate and has a first semi-circular groove on its right side. The lower end of the first semi-circular groove communicates with the U-shaped groove. The fixed arc-shaped block and the fixed limiting ring are sequentially fixed to the upper part of the fixed splicing block. The lower end of the rotating shaft is fixed to the limiting base plate and corresponds to the rear side of the fixed splicing block. The front side of the limiting base plate is provided with a splicing positioning hole corresponding to the right side of the fixed splicing block. The rear end of the movable splicing block is rotatably mounted on the rotating shaft. The left side of the movable splicing block is provided with a second semi-circular groove. The first semi-circular groove and the second semi-circular groove are combined to form a circular hole. The movable arc block is fixed to the upper end of the movable splicing block and corresponds to the lower part of the fixed limiting ring. The first spring plunger is fixed to the lower end of the movable splicing block and its elastic extension end corresponds to the splicing positioning hole. The stamping upper die assembly is fixed to the mounting top plate. The lower end of the stamping upper die is provided with a limiting sleeve. The limiting sleeve is sleeved on the outer periphery of the fixed arc block and the movable arc block in the mold closing state.

2. The cylindrical battery sealing machine according to claim 1, characterized in that: The upper stamping die includes an upper die base, a sliding block, a compression spring, a stamping head, and a limiting sleeve. The upper end of the upper die base is fixed to the mounting top plate. The upper die base has a sliding groove. The sliding block is slidably connected to the sliding groove. The upper and lower ends of the sliding block are respectively provided with a first protrusion and a second protrusion. The lower end of the compression spring is sleeved on the first protrusion, and the upper end contacts the mounting top plate. The upper end of the stamping head is threadedly connected to the lower end of the second protrusion, and the lower end passes through the lower end of the upper die base. The limiting sleeve is threadedly connected to the outer circumference of the lower end of the upper die base.

3. A cylindrical battery sealing machine according to claim 1, characterized in that: The lifting drive assembly includes a lifting cylinder, a lifting plate, a guide column, and a guide sleeve. The lower end of the lifting cylinder is fixed to the mounting base plate with its power output end facing upward. The lifting plate is fixed to the power output end of the lifting cylinder. The mounting base is fixed above the lifting plate. The upper and lower ends of the guide column are respectively fixed to the mounting top plate and the mounting base plate. The guide sleeve is fixed to the lifting plate and slidably connected to the guide column. Multiple sets of guide columns and guide sleeves are provided, each corresponding to the outer periphery of the mounting base.

4. A cylindrical battery sealing machine according to claim 3, characterized in that: The mounting base includes a slide table, a slide plate, a first fixing block, a first limiting post, a second fixing block, a second limiting post, and a second spring plunger. The slide table is fixed above the lifting plate. The slide plate is slidably connected to the slide table and can slide left and right along the slide table. Two sets of stamping upper die assemblies are arranged in the left and right directions. The limiting base plate is fixed above the slide plate. The first fixing block is fixed on the lifting plate and corresponds to the left side of the slide table. The first limiting post is fixed on the first fixing block and its right end protrudes from the first fixing block. The second fixing block is fixed on the lifting plate and corresponds to the right side of the slide table. The limiting post is fixed to the second fixing block and its left end protrudes from the second fixing block. The front side of the slide plate is provided with a connecting boss, which corresponds between the first limiting post and the second limiting post. The second spring plunger is threadedly connected to the connecting boss and its elastic extension end faces downward. The lifting plate is provided with a first positioning hole and a second positioning hole. When the left end of the connecting boss contacts the first limiting post, the elastic extension end of the second spring plunger corresponds to the first positioning hole. When the right end of the connecting boss contacts the second limiting post, the elastic extension end of the second spring plunger corresponds to the second positioning hole.

5. A cylindrical battery sealing machine according to claim 4, characterized in that: The mounting base also includes a locking nut, which is threaded to the outer circumference of the second spring plunger, and the lower end face of the locking nut contacts the upper end face of the connecting boss.

6. A cylindrical battery sealing machine according to claim 4, characterized in that: The mounting base also includes a rotating handle, which is fixed to the upper end of the second spring plunger.

7. A cylindrical battery sealing machine according to claim 1, characterized in that: The lower mold assembly also includes a drive handle, which is fixed to the front side of the movable splicing block.

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