Cover pulling device applied to medicine cylinder recovery
By designing a cap-pulling device for ammunition recovery, the cartridge cap can be easily pulled out using a limiting structure and lever principle, solving the safety hazards and low efficiency problems of existing technologies, and realizing safe and efficient cartridge recovery.
Patent Information
- Application Number
- CN202520530444.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-25
AI Technical Summary
Existing technologies have safety hazards, high recovery damage rates, and low operational efficiency when disassembling ammunition cartridges and their end caps, mainly due to the uncontrollable nature of manual operation and the ease with which the sealing plates can be damaged.
Design a cap removal device, including a worktable and a cap removal mechanism. The cartridge is fixed by a limiting structure, and the cap is hooked by a hook at the end of a pressure rod and the pressure rod is pressed to pull the cap out of the cartridge using the lever principle.
It reduced the labor intensity of personnel, improved operational safety and work efficiency, achieved the goals of reducing manpower and increasing efficiency, saving costs and reducing consumption, and ensuring the safety and reliability of the production process.
Smart Images

Figure CN223804868U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to ammunition maintenance equipment technical field, especially relate to a pull cover device for cartridge recycling. BACKGROUND
[0002] At present, ammunition maintenance enterprises will make full use of the available parts of the original repairable products in the production process, improve the utilization rate of recycled parts, and achieve the purpose of reducing cost and saving energy. It is difficult to disassemble the cartridge and its end cover (tight plug cover), because the paper tight plug cover is composed of a tight plug cover body and a sealing sheet (nitrocellulose sheet), and its purpose is to tightly plug and shield the medicine inside the shell and at the bottom of the cover, so as to prevent it from spilling. Therefore, the assembly method of the tight plug cover and the cartridge is interference fit. At present, the operation mode for disassembling the cartridge to take the tight plug cover is to separate the sealing sheet from the tight plug cover body by using a wooden stick, a rubber hammer and other tools, and then to take out the tight plug cover after the tight plug cover body is crushed. Because the cartridge is easily affected by the assembly condition and quality state of the original product, the operation process will indirectly squeeze and impact the propellant and the black powder at the bottom of the cartridge, which has certain safety hidden danger; the impact force in the crushing process directly acts on the sealing sheet, which may damage the sealing sheet, and the sealing sheet is a flammable product, which is very sensitive to fire, and has potential safety hidden danger. Because the existing disassembly operation is mainly manual, the operation force is uncontrollable, and there are problems of high damage rate of recycled products, low operation efficiency and great safety hidden danger. CONTENT OF THE UTILITY MODEL
[0003] In order to solve the above problems, the utility model provides a pull cover device for cartridge recycling.
[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0005] A pull cover device for cartridge recycling, comprising a workbench and a cover pulling mechanism, the workbench is provided with a limiting structure for fixing the cartridge, and the workbench is provided with an opening for accommodating the primer of the cartridge; the cover pulling mechanism comprises a support frame and a pressing rod, the middle part of the pressing rod is rotationally connected with the upper part of the support frame, the free end of the pressing rod is a force applying end, the other end of the pressing rod is provided with a hook for hooking the cover, and the pressing rod and the hook are arranged above the cartridge.
[0006] Further, the limiting structure comprises two long strip-shaped copper pressing plates, the opening is arranged between the two pressing plates, the pressing plates are connected with the workbench through a plurality of fastening bolts, and the end part of the fastening bolt is matched with a nut; a gap is arranged between the pressing plate and the workbench, which is used for accommodating the eaves around the bottom of the cartridge.
[0007] Further, the opening is long strip-shaped, and the two pressing plates are symmetrically arranged on the two sides of the opening.
[0008] Further, the workbench top is provided with a plurality of adjusting holes for fastening bolts, the adjusting holes are long strip-shaped and the length direction is perpendicular to the length direction of the pressing plate, the lower end of the fastening bolt is provided with a parallel pad plate, the pad plate is long strip-shaped and the width is greater than the width of the adjusting hole; the nut of the fastening bolt is arranged above the pressing plate, and the lower end of the fastening bolt penetrates the pad plate and cooperates with the nut.
[0009] Further, the workbench bottom is fixed with a sawtooth block, the sawtooth block is provided with a long hole corresponding to the adjusting hole, the bottom of the sawtooth block is provided with a tooth shape, and the top of the pad plate is provided with a tooth shape capable of engaging with the tooth shape.
[0010] Further, the lower end of the support frame is fixed to the middle of the workbench close to the edge and is arranged on the outer side of the pressing plate, a plurality of positioning holes matched with the pin shaft are arranged at the upper part of the support frame from top to bottom, and the pressing rod is rotationally connected with the pin shaft.
[0011] Further, the lower end side of the support frame is fixed with a triangular rib plate, and the bottom of the rib plate is fixed on the workbench.
[0012] Further, the lifting hook comprises a lifting piece and a copper hook, the upper end of the lifting piece is rotationally connected with the end of the pressing rod, and the lower end of the lifting piece is connected with the hook.
[0013] Further, the workbench is arranged on the main frame, and the supporting leg of the main frame is provided with a footing.
[0014] Further, the bottom of the workbench is provided with a reinforcing beam, and the footing is connected with the ground through a screw.
[0015] Compared with the prior art, the technical progress achieved by the utility model lies in that:
[0016] The device fixes the cartridge through the limiting structure on the workbench, and places the primer of the cartridge in the gap on the workbench; the hook at the end of the pressing rod hooks the cover on the top of the cartridge, and then the pressing end of the pressing rod is pressed downward, so that the cover is pulled out from the cartridge according to the lever principle. The utility model can reduce labor intensity, improve operation safety factor, and one person can complete the operation, so that the purposes of reducing staff, saving cost, reducing consumption, safe and reliable production process and convenient popularization and application are achieved. BRIEF DESCRIPTION OF DRAWINGS
[0017] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model.
[0018] In the drawings:
[0019] Figure 1 A front view of the cap pulling device applied to cartridge recycling is provided for the embodiment of the utility model;
[0020] Figure 2 For Figure 1 The right view of the cap pulling device;
[0021] Figure 3 The top view of the workbench structure (remove the pressure rod and the hook) in the embodiment of the utility model;
[0022] Figure 4 For Figure 3 The bottom view.
[0023] In the figure:
[0024] 1 - workbench, 2 - gap, 3 - support frame, 4 - pressure rod, 5 - hook, 51 - hanging piece, 52 - hook, 6 - pressing plate, 7 - fastening bolt, 8 - nut, 9 - gap, 10 - adjusting hole, 11 - backing plate, 12 - sawtooth block, 13 - tooth shape, 14 - pin shaft, 15 - positioning hole, 16 - main frame, 17 - footing, 18 - reinforcing beam, 19 - screw, 20 - ribbed plate. DETAILED DESCRIPTION
[0025] The following specific embodiments can be combined with each other, and the same or similar concepts or processes can not be described in some embodiments. The embodiments of the utility model will be described below with reference to the drawings.
[0026] As Figure 1 , Figure 2 A cap pulling device applied to cartridge recycling, comprising a workbench 1 and a cap pulling mechanism, the workbench 1 is provided with a limiting structure for fixing the cartridge, and the workbench 1 is provided with a gap 2 for accommodating the cartridge primer on the table top; the cap pulling mechanism comprises a support frame 3 and a pressure rod 4, the middle part of the pressure rod 4 is rotationally connected with the upper part of the support frame 3, the free end of the pressure rod 4 is a force applying end, the other end of the pressure rod 4 is provided with a hook 5 for hooking the cap body, and the pressure rod 4 and the hook 5 are arranged above the cartridge. When applied, the cartridge is fixed on the workbench by the limiting structure, then the hook hooks the top of the cap body, and the cap body can be easily pulled out through the pressure rod. The scheme can improve the work efficiency and reduce the labor intensity of personnel, the cap body can be taken out without breaking the cartridge, the operation safety factor is improved, the labor intensity is reduced, and a single person can complete the operation.
[0027] As a preferred structure, as Figure 2 , 3As shown, the limiting structure includes two long strip-shaped copper pressing plates 6, the gap 2 is arranged between the two pressing plates 6, the pressing plate 6 is connected with the workbench 1 through a plurality of fastening bolts 7, the end of the fastening bolt 7 is matched with a nut 8; the gap 9 is arranged between the pressing plate 6 and the tabletop of the workbench 1, for accommodating the eaves around the bottom of the cartridge. Wherein, the primer of the cartridge is arranged at the gap, so that the dangerous part of the cartridge is not in contact with the tabletop, and the safety factor is improved; meanwhile, the cartridge is fixed by the copper pressing plate, so that the safety factor of operation can be further improved. The eaves at the edge of the cartridge bottom plate is pressed by the pressing plates on both sides, and is fixed by the fastening bolt, so that the fixing of the cartridge on the workbench can be realized.
[0028] As shown in the specific design, Figure 3 The gap 2 is long strip-shaped, and the two pressing plates 6 are symmetrically arranged on the two sides of the gap 2. By adopting the structure, the cartridge can be fixed at any position of the gap, and the operation is more convenient.
[0029] Further optimization of the above scheme, as shown in Figure 3 , 4 The tabletop of the workbench 1 is provided with a plurality of adjusting holes 10 for the fastening bolt 7 to pass through, the adjusting hole 10 is long strip-shaped, and the length direction is perpendicular to the length direction of the pressing plate 6, the lower end of the fastening bolt 7 is provided with a pad plate 11 parallel to the adjusting hole 10, the pad plate 11 is long strip-shaped, and the width is greater than the width of the adjusting hole 10; the screw cap of the fastening bolt 7 is arranged above the pressing plate 6, and the lower end of the fastening bolt 7 penetrates the pad plate 11 and is matched with the nut 8. By adopting the structure, the position of the pressing plate can be adjusted conveniently, the distance between the pressing plates can be adjusted arbitrarily according to different bullets, the cartridge can be placed and fixed quickly, the operation is simple, and the manual repeated disassembly and replacement of the pressing plate to meet the production demand are avoided.
[0030] In the specific embodiment of the utility model, as shown in Figure 4 The bottom surface of the workbench 1 is fixed with a sawtooth block 12, the sawtooth block 12 is provided with a long hole corresponding to the adjusting hole 10, the bottom surface of the sawtooth block 12 is provided with a tooth shape 13, and the top surface of the pad plate 11 is provided with a tooth shape capable of engaging. By means of the cooperation of the sawtooth block and the pad plate, the firmness of the cartridge fixing can be further improved.
[0031] In the specific implementation, the lower end of the support frame 3 is fixed to the middle part of the workbench 1 close to the edge and is arranged outside the pressing plate 6, the upper part of the support frame 3 is provided with a plurality of positioning holes 15 spaced from top to bottom and matched with the pin shaft 14, and the pressing rod 4 is rotationally connected with the pin shaft 14. The plurality of positioning holes can adapt to the sizes of different cartridges, the multi-point design can adapt to the disassembly requirements of various products, the application range is expanded, and the production requirements of multiple cartridges can be changed at any time. The lower end side of the support frame 3 is fixed with a triangular rib plate 20, and the bottom of the rib plate 20 is fixed on the workbench 1. The support frame can be made of square steel pipes, a plug cover is installed at the top, and the bottom of the support frame and the rib plate are welded and fixed on the workbench. The structure can integrate the support frame into the workbench as a whole for convenient carrying.
[0032] In the specific embodiment of the utility model, as shown in Figure 1 、 2 The hanging hook 5 includes a hanging piece 51 and a copper hook 52, the upper end of the hanging piece 51 is rotationally connected with the end of the pressing rod 4, and the lower end of the hanging piece 51 is connected with the hook 52. The copper hook can improve the safety factor of operation; the hanging piece can be a chain or a boom, which is a chain in this embodiment. The hook can hook the top ring or the hanging hole of the cover body, and the pressing end of the pressing rod can easily pull out the cover body by using the lever principle, thereby reducing the labor intensity of personnel, realizing the reduction of staff and the increase of efficiency, the reduction of cost and the reduction of consumption, and ensuring the intrinsic safety. In addition, the hook structure can be adjusted according to the actual situation of the cartridge, different hooks are used to realize the pulling out operation of the paper tightly packed cover assembly and the steel sealing cover, and the high efficiency, high quality and safe recovery of the cover body is realized.
[0033] In order to facilitate operation, the workbench 1 is arranged on the main frame 16, and the supporting legs of the main frame 16 are provided with ground anchors 17. The bottom surface of the workbench 1 is provided with reinforcing beams 18, and the ground anchors 17 are connected with the ground through screws 19. Alternatively, the ground anchors are connected with the ground through adjusting bolts, so that the height of the workbench can be matched with the height of the operator.
[0034] In summary, the utility model has the advantages of simple and compact structure, convenient and fast operation, safety and reliability, the cartridge bottom can be fixed by using the opening and the pressing plate on the workbench, the cover body can be hooked by the hook at the end of the pressing rod, and the cover body can be easily pulled out by pressing the pressing rod. The utility model can reduce the labor intensity of personnel, realize the reduction of staff and the increase of efficiency, the reduction of cost and the reduction of consumption, ensure the safety and reliability of the operation, improve the appearance quality of the recovered parts, increase the daily output, and improve the production efficiency.
[0035] It should be explained finally: the above described is only the preferred embodiment of the utility model, and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiment, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement is carried out to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the scope of protection of the utility model claim.
Claims
1. A decapping device for application to a cartridge recycling, characterized in that: The device includes a workbench and a cap-removing mechanism. The workbench is equipped with a limiting structure for fixing the cartridge case, and the workbench surface is provided with a notch for accommodating the primer of the cartridge case. The cap-removing mechanism includes a support frame and a pressure rod. The middle part of the pressure rod is rotatably engaged with the upper part of the support frame. The free end of the pressure rod is the force-applying end, and the other end of the pressure rod is provided with a hook for hooking the cap. Both the pressure rod and the hook are located above the cartridge case.
2. A decapping device for use in recycling of a cartridge according to claim 1, characterized in that: The limiting structure includes two long strip-shaped copper pressure plates, and the notch is set between the two pressure plates. The pressure plates are connected to the workbench by multiple fastening bolts, and the ends of the fastening bolts are engaged with nuts. There is a gap between the pressure plates and the workbench surface to accommodate the protruding eaves around the bottom of the cartridge case.
3. A decapping device for use in recycling of a cartridge according to claim 2, characterized in that: The notch is elongated, with two pressure plates symmetrically positioned on either side of it.
4. A decapping device for use in recycling of a cartridge according to claim 3, characterized in that: The workbench has multiple adjustment holes for fastening bolts to pass through. The adjustment holes are elongated and their length direction is perpendicular to the length direction of the pressure plate. The lower end of the fastening bolt has a pad parallel to the adjustment hole. The pad is elongated and its width is greater than the width of the adjustment hole. The nut of the fastening bolt is located above the pressure plate, and the lower end of the fastening bolt passes through the pad and engages with the nut.
5. A decapping device for use in recycling of a cartridge according to claim 4, characterized in that: A sawtooth block is fixed on the bottom surface of the workbench. The sawtooth block has an elongated hole corresponding to the adjustment hole. The bottom surface of the sawtooth block has a tooth shape, and the top surface of the pad has a tooth shape that can mesh with it.
6. A decapping device for use in recycling of a cartridge according to claim 2, characterized in that: The lower end of the support frame is fixed to the middle edge of the workbench and is located on the outside of the pressure plate. The upper part of the support frame is provided with a plurality of positioning holes that cooperate with the pin shaft from top to bottom. The pressure rod is rotatably connected to the pin shaft.
7. A decapping device for use in recycling of a cartridge according to claim 6, characterized in that: A triangular rib is fixed to the lower side of the support frame, and the bottom of the rib is fixed to the workbench.
8. A decapping device for use in recycling of a cartridge according to claim 1, characterized in that: The hook includes a lifting component and a copper hook. The upper end of the lifting component is rotatably connected to the end of the pressure rod, and the lower end of the lifting component is connected to the hook.
9. A decapping device for use in recycling of cartridges according to any of claims 1-8, characterized in that: The workbench is mounted on the main frame, and the legs of the main frame are provided with feet.
10. A decapping device for use in recycling of a cartridge according to claim 9, characterized in that: The bottom surface of the workbench is provided with reinforcing beams at intervals, and the feet are connected to the ground by screws.