Automatic stripper for stubborn products during production of group moulds

Abstract

The utility model relates to primer production field especially stubborn product's automation mould stripping device when primer group mould production, this automation mould stripping device contains forced mould stripping mechanism (4), and strong retreats mounting bracket (20) is installed on the frame (1), forced mould stripping mechanism (4) contains strong retreats mounting bracket (20), and the flat plate of strong retreats mounting bracket (20) is installed with strong retreats cylinder (21), and strong retreats cylinder (21) is installed downward, and the power axle end portion of strong retreats cylinder (21) is installed with strong retreats mould (22), and strong retreats mould (22) can forcibly eject the product in the hole of mould plate (6). Advantageous effects: this scheme does not need to knock, safety is better, will not explode, production efficiency is high, and the line is very small, and product quality is better.

Description

Technical Field

[0001] This utility model relates to the field of primer production, and in particular to an automated demolding device for stubborn products during primer group mold production. Background Technology

[0002] In the field of ammunition manufacturing, the primer, as the core ignition component, directly determines the overall performance of the ammunition through its production precision and safety. Currently, the industry generally adopts a group mold production process for primer assembly. A single mold can simultaneously complete the pressing and assembly of 20-30 primers, with a daily production capacity of 5,000-8,000 pieces. The centralized collection of primers is a key node connecting the pressing process and subsequent testing processes.

[0003] Currently, this process mainly relies on a "template tilting collection" method: After the group mold pressing process is completed, the operator transports the metal template (15-20mm thick, with the mold hole diameter matching the designed outer diameter of the primer, tolerance ±0.01mm) containing the primer to the collection station. By flipping the template (tilt angle ≥45°), gravity is used to remove the primer from the mold hole and it falls into the anti-static collection box below. This method can achieve a collection efficiency of over 95% under normal production conditions. However, due to the characteristics of the primer pressing process, there is a significant technical bottleneck—during the pressing process, the primer shell (mostly made of brass or copper-clad steel) needs to withstand an axial pressure of 5-8MPa to complete the filling of the agent and the pressing of the components. Some shells, due to the amount of metal plastic deformation exceeding the design threshold, result in an outer diameter increase of 0.02-0.05mm, exceeding the mold hole tolerance range, forming a "stuck primer." The occurrence rate of this situation is about 3%-5%. Stuck primers cannot be removed by normal tilting and require additional handling.

[0004] Previously, the industry generally used a manual reverse-tapping method to deal with stuck primers: the operator held a rubber hammer (hammer head weight 500-800g) and gently tapped each hole along the back of the template (non-primer bearing surface), using vibration and impact to remove the stuck primer from the mold hole. This operation has three major problems: First, the safety risk is extremely high. The primer contains sensitive ignition agents (such as mercury fulminate and lead stearate). If the tapping force is out of control (exceeding 1.2kN impact force), it may trigger the agent to explode. In the past three years, there have been two such safety accidents in domestic ammunition manufacturing enterprises, causing equipment damage and minor injuries to personnel. Second, the production efficiency is low. Manually handling a single template takes 3-5 minutes, which is more than 90% less efficient than the normal 10-15 seconds of tipping, and can easily lead to production line congestion. Third, there is a risk to product quality. Uneven tapping force may cause deformation of the primer shell (deformation rate of about 2.1%) or loosening of the internal agent, affecting the reliability of subsequent ignition.

[0005] Based on the aforementioned production pain points, the development of a fully automated annealing and underheating equipment has become an urgent necessity for the industry. Utility Model Content

[0006] The purpose of this utility model is to provide an automated demolding device for stubborn products produced during primer group mold production with better results. The specific purpose is explained in the several substantial technical effects in the specific implementation section.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] An automated demolding device for stubborn products produced during primer group molding is characterized in that the automated demolding device includes a forced demolding mechanism 4 and a forced demolding mounting frame 20 mounted on a frame 1.

[0009] The forced ejection mechanism 4 includes a forced ejection mounting frame 20. A forced ejection cylinder 21 is mounted on the flat plate of the forced ejection mounting frame 20. The forced ejection cylinder 21 is mounted downwards. A forced ejection mold 22 is mounted on the end of the power shaft of the forced ejection cylinder 21. The forced ejection mold 22 can forcibly eject the product remaining in the hole of the template 6.

[0010] A further technical solution of this utility model is that the strong ejection mold 22 includes a connecting plate 221 fixed to the end of the power shaft of the strong ejection cylinder 21. The connecting plate 221 is fixed with a plurality of guide ejection columns 222, and the guide ejection columns 222 correspond to the hole positions of the template 6. Springs 224 are arranged around the guide ejection columns 222. The springs are arranged between the strong ejection guide plate 223 and the connecting plate 221.

[0011] A further technical solution of this utility model is that it also includes a flipping and translating mechanism 3 for transporting the template 6 to the underside of the forced withdrawal guide plate 223. The bracket on which the flipping and translating mechanism 3 is located is mounted on the frame 1. The flipping and translating mechanism 3 includes a translating cylinder 15. The translating cylinder 15 can drive the connecting piece installed on the lifting cylinder 16 to move horizontally. The translating cylinder 15 is connected to the lifting cylinder 16 through the connecting piece. The power shaft of the lifting cylinder 16 is connected to the lifting structure. A swing cylinder 17 is installed on the lifting structure. The swing cylinder 17 can drive the clamp cylinder 18 to rotate. The clamp cylinder 18 can drive the two sets of extended fingers 19 to move relative to each other and thus clamp the template 6.

[0012] A further technical solution of this utility model is that each of the extended fingers 19 includes a stepped surface for clamping the template 6.

[0013] A further technical solution of this utility model is that it also includes a lifting and demolding mechanism 2 that can separate the tooling mold composed of the mold base plate 7 and the template 6.

[0014] The ejector and demolding mechanism 2 includes a stopper 10 arranged on the frame 1. An upward-facing lifting cylinder 9 is also arranged on the frame. An ejector plate 27 is arranged at the end of the power shaft of the ejector cylinder 9. A side plate 28 is fixed to the ejector plate 27. When the side plate 28 moves upward, it can lift the template 6 to separate the mold base plate 7 from the template 6.

[0015] A further technical solution of this utility model is that a stopper 10 is arranged on the transport path of the tooling mold composed of the mold base plate 7 and the template 6; the lifting cylinder 9, the stopper 10, the collecting tray 11, and the tilting cylinder 14 are all fixed on the fixing frame 12, and the fixing frame 12 is fixed on the machine frame 1; the lifting cylinder 9 is arranged at an angle, and when it is in motion, it can push the mold base plate 7 to tilt relatively, guiding some of the remaining products onto the collecting tray 11, which is located on the side of the mold base plate 7.

[0016] A further technical solution of this utility model is that it also includes a collection and transmission part 5, which includes a collection and transmission part frame 23, a transmission motor 24, and a transmission belt 25; the installation method is as follows: the collection and transmission part frame 23 is fixed to the ground, the transmission motor 24 is fixed on the collection and transmission part frame 23, and the transmission belt 25 is fixed on the collection and transmission part frame 23 through front and rear drive shafts.

[0017] A further technical solution of this utility model is that it also includes a floating medicine collection tank 26, which is fixed to one end of the collection and transmission section frame 23.

[0018] A further technical solution of this utility model is that the tooling mold formed by the combination of the mold base plate 7 and the template 6 can be sent to the station of the automated mold removal device by the transmission line.

[0019] The present invention, which adopts the above technical solution, has the following advantages over the prior art: the solution does not require manual striking, is safer, will not explode, has high production efficiency, has a small production line, and produces better product quality. Attached Figure Description

[0020] To further illustrate this utility model, the following description is provided in conjunction with the accompanying drawings:

[0021] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a structural diagram of the blocking part of the utility model;

[0023] Figure 3 Position diagram for the tilting cylinder in operation;

[0024] Figure 4 This is a structural diagram of the flipping and translating mechanism;

[0025] Figure 5 This is a structural diagram of the forced mold release mechanism;

[0026] Figure 6 A structural diagram of the collection and transmission section;

[0027] Figure 7 This is a structural diagram of the tilting cylinder;

[0028] Figure 8 This is a structural diagram of a portion of the forced mold release mechanism;

[0029] Figure 9 A partial structural diagram of the forced mold release mechanism;

[0030] Figure 10 This is a detailed structural diagram of the tooling mold lifting mechanism;

[0031] The components include: 1. Frame; 2. Ejection and demolding mechanism; 3. Tilting and translation mechanism; 4. Forced demolding mechanism; 5. Collection and transmission section; 6. Template; 7. Mold base plate; 8. Guide frame; 9. Ejection cylinder; 10. Blocker; 11. Collection tray; 12. Fixing frame; 13. Template transmission line; 14. Tilting cylinder; 15. Translation cylinder; 16. Lifting cylinder; 17. Swing cylinder; 18. Clamp cylinder; 19. Extension finger; 20. Forced demolding mounting frame; 21. Forced demolding cylinder; 22. Forced demolding; 23. Collection and transmission section frame; 24. Drive motor; 25. Transmission belt; 26. Float collection tank; 27. Ejection plate; 28. Side plate; 221. Connecting plate; 222. Guide ejection column; 223. Forced demolding guide plate; 224. Spring. Detailed Implementation

[0032] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention. In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "top," and "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. In addition, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood according to the specific circumstances.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0034] This patent provides multiple parallel solutions; the different descriptions represent improved or parallel solutions based on a basic solution. Each solution has its own unique characteristics. Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other. Fixing methods not described herein can be any type of fixing, such as threaded fixing, bolt fixing, or adhesive bonding.

[0035] Example 1: Combining Figure 1 and Figure 2 An automated mold removal device for stubborn products produced during primer group molding, characterized in that the automated mold removal device includes a forced mold removal mechanism 4, and a forced mold removal mounting bracket 20 is mounted on the frame 1.

[0036] The forced ejection mechanism 4 includes a forced ejection mounting frame 20. A forced ejection cylinder 21 is mounted on the flat plate of the forced ejection mounting frame 20, with the forced ejection cylinder 21 facing downwards. A forced ejection mold 22 is mounted on the end of the power shaft of the forced ejection cylinder 21. The forced ejection mold 22 can forcibly eject the product remaining in the hole of the template 6. The substantial technical effect and implementation process of this technical solution, i.e., its basic function, are as follows: the forced ejection cylinder 21 drives the forced ejection mold 22 to fall rapidly, the forced ejection mold 22 closes with the template 6, the spring is compressed, and the forced ejection mold 22 rushes into each corresponding hole of the template 6, forcibly ejecting the product remaining in the hole of the template 6.

[0037] Compared to existing technologies, this solution suffers from several drawbacks: "First, it poses extremely high safety risks. The primer contains sensitive ignition agents such as mercury fulminate and lead stearate. If the impact force exceeds 1.2kN, it may trigger an explosion. In the past three years, two such safety accidents have occurred in domestic ammunition manufacturing enterprises, causing equipment damage and minor injuries to personnel. Second, it has low production efficiency. Manually handling a single template takes 3-5 minutes, compared to the normal 10-15 seconds, reducing efficiency by more than 90% and easily leading to production line congestion. Third, it poses product quality risks. Uneven impact force may cause deformation of the primer shell (approximately 2.1%) or loosening of the internal agents, affecting the reliability of subsequent ignition." This solution eliminates the need for manual striking, offering better safety, preventing explosions, increasing production efficiency, minimizing the number of production lines, and resulting in better product quality.

[0038] Example 2: As a further improvement, parallel solution, or optional independent solution, the forced ejection mold 22 includes a connecting plate 221 fixed to the end of the power shaft of the forced ejection cylinder 21. Multiple guide ejection posts 222 are fixed to the connecting plate 221, and the guide ejection posts 222 correspond to the holes in the template 6. Springs 224 are arranged around the guide ejection posts 222, and the springs are arranged between the forced ejection guide plate 223 and the connecting plate 221. The substantial technical effect and implementation process of this technical solution, i.e., its basic function, are as follows: The solution provided in this embodiment is a further improvement on Example 1, which facilitates the ejection of the workpiece from the holes in the template 6.

[0039] Example 3: As a further improvement, parallel, or optional independent solution, it also includes a flipping and translating mechanism 3 that transports the template 6 to below the forced withdrawal guide plate 223. The bracket on which the flipping and translating mechanism 3 is located is mounted on the frame 1. The flipping and translating mechanism 3 includes a translating cylinder 15. The translating cylinder 15 can drive the connecting piece installed on the lifting cylinder 16 to move horizontally. The translating cylinder 15 is connected to the lifting cylinder 16 through the connecting piece. The power shaft of the lifting cylinder 16 is connected to the lifting structure. A swing cylinder 17 is installed on the lifting structure. The swing cylinder 17 can drive the clamp cylinder 18 to rotate. The clamp cylinder 18 can drive the two sets of extended fingers 19 to move relative to each other and thus clamp the template 6. The substantive technical effect and implementation process of the technical solution provided here are as follows: This embodiment provides a device for clamping and moving the template 6. The lifting cylinder 16 of the flipping and translating mechanism 3 extends downward, the clamping cylinder 18 closes, the template 6 is clamped by the extended finger 19, the lifting cylinder 16 is raised, the translating cylinder 15 is translated, and the template is sent to the forced unloading position. The swing cylinder 17 flips 180°, driving the template 6 to flip 180° at the same time. The lifting cylinder 16 extends downward, placing the template 6 on the platform, and the clamping cylinder 18 opens.

[0040] Example 4: As a further improvement, parallel solution, or optional independent solution, the extended fingers 19 all include stepped surfaces for gripping the template 6. The substantive technical effect and implementation process of this technical solution, i.e., its basic function, are as follows: better gripping effect, preventing it from falling off.

[0041] Example 5: As a further improvement, parallel, or optional independent solution, it also includes a lifting and demolding mechanism 2 capable of separating the tooling mold formed by combining the mold base plate 7 and the template 6.

[0042] The ejector and demolding mechanism 2 includes a stopper 10 arranged on the frame 1, and an upward-facing lifting cylinder 9 is also arranged on the frame. A lifting plate 27 is arranged at the end of the power shaft of the lifting cylinder 9, and a side plate 28 is fixed to the lifting plate 27. When the side plate 28 moves upward, it can lift the template 6 to separate the mold base plate 7 from the template 6. The substantive technical effect and implementation process of this technical solution, i.e., its basic function, are as follows: the lifting cylinder 9 lifts the tooling mold, and simultaneously, the fixed side plates on both sides directly separate the mold base plate 7 from the template 6.

[0043] Example 6: As a further improvement, parallel, or optional independent solution, a stopper 10 is arranged on the transport path of the tooling mold formed by the combination of the mold base plate 7 and the template 6; the lifting cylinder 9, the stopper 10, the collecting tray 11, and the tilting cylinder 14 are all fixed on the fixing frame 12, which is fixed on the machine frame 1; the lifting cylinder 9 is tilted, and when it operates, it can push the mold base plate 7 to tilt relative to it, guiding some of the remaining products onto the collecting tray 11, which is located on the side of the mold base plate 7. The substantial technical effect and implementation process of this technical solution, i.e., its basic function, are as follows: After separation, some workpieces may remain on the mold base plate 7; this device can tilt the workpieces down. No human intervention is required.

[0044] Example 7: As a further improved solution, parallel solution, or optional independent solution, it also includes a collection and transmission section 5, which includes a collection and transmission section frame 23, a drive motor 24, and a transmission belt 25; Installation method: the collection and transmission section frame 23 is fixed to the ground, the drive motor 24 is fixed to the collection and transmission section frame 23, and the transmission belt 25 is fixed to the collection and transmission section frame 23 via front and rear drive shafts. The substantial technical effect and implementation process of this technical solution, i.e., its basic function, is as follows: It facilitates overall transportation.

[0045] Example 8: As a further improvement, parallel, or optional independent solution, it also includes a floating drug collection tank 26, which is fixed to one end of the collection and transmission section frame 23. The substantive technical effect and implementation process of this technical solution, i.e., its basic function, is as follows: to collect a portion of the floating drug. This solution is not mandatory.

[0046] Example 9: As a further improvement, parallel, or optional independent solution, the tooling mold formed by the mold base plate 7 and the template 6 can be conveyed by a conveyor line to the station where the automated mold removal device is located. The substantial technical effect and implementation process of this technical solution, i.e., its basic function, are as follows: This conveying position is existing technology and will not be described in detail here.

[0047] Action description:

[0048] When the mold base plate 7 and template 6 are combined to form a tooling mold and transported to this station with the product via the conveyor line, they are blocked by the stopper 10. The lifting cylinder 9 lifts up, raising the tooling mold. At the same time, the fixed side plates on both sides directly separate the mold base plate 7 from the template 6. The lifting cylinder 16 of the flipping and translating mechanism 3 extends down, the clamping cylinder 18 closes, and the extended fingers 19 clamp the template 6. The lifting cylinder 16 lifts up, the translating cylinder 15 translates, and the template is sent to the forced unloading position. The swing cylinder 17 flips 180°, causing the template 6 to flip 180° at the same time. The lifting cylinder 16 extends down, placing the template 6 on the platform, and the clamping cylinder 18 opens. The forced withdrawal cylinder 21 drives the forced withdrawal mold 22 to fall quickly. The forced withdrawal mold 22 closes with the template 6. The forced withdrawal mold 22 spring is compressed, and the forced withdrawal mold 22 rushes into each corresponding hole of the template 6, forcibly ejecting the product left in the hole of the template 6. The product falls into the collection and conveying section 5, where the drive motor 24 drives the conveyor belt 25 to rotate, bringing the product to the rear for centralized collection. Forced collection is complete.

[0049] Innovatively, each of the above effects exists independently, yet a single structure can be used to combine the results.

[0050] It should be noted that the multiple modules in this patent are an integration of existing technology modules and do not involve any new modules. Even if some modules use programs, these programs are undoubtedly known programs. For example, sensor installation and stroke control technology.

[0051] It should be noted that the multiple solutions provided in this patent include their own basic solutions, which are independent of each other and do not restrict each other. However, they can also be combined with each other without conflict to achieve multiple effects.

[0052] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims.

Claims

1. An automated demolding device for stubborn products produced during bottom-fired group mold production, characterized in that, The automated mold release device includes a forced mold release mechanism (4), and a forced mold release mounting bracket (20) is mounted on the frame (1); The forced ejection mechanism (4) includes a forced ejection mounting frame (20), on which a forced ejection cylinder (21) is mounted. The forced ejection cylinder (21) is mounted facing downwards. A forced ejection mold (22) is mounted at the end of the power shaft of the forced ejection cylinder (21). The forced ejection mold (22) can forcefully eject the product remaining in the hole of the template (6).

2. The automated mold removal device for stubborn products during bottom-fired group mold production as described in claim 1, characterized in that, The forced ejection mold (22) includes a connecting plate (221) fixed to the end of the power shaft of the forced ejection cylinder (21). The connecting plate (221) is fixed with multiple guide ejection posts (222). The guide ejection posts (222) and the holes of the template (6) are in corresponding positions. Springs (224) are arranged around the guide ejection posts (222). The springs are arranged between the forced ejection guide plate (223) and the connecting plate (221).

3. The automated mold removal device for stubborn products during bottom-fired group mold production as described in claim 1, characterized in that, It also includes a flipping and translating mechanism (3) that transports the template (6) to the underside of the strong withdrawal guide plate (223). The bracket on which the flipping and translating mechanism (3) is located is mounted on the frame (1). The flipping and translating mechanism (3) includes a translation cylinder (15). The translation cylinder (15) can drive the connecting piece installed on the lifting cylinder (16) to move horizontally. The translation cylinder (15) is connected to the lifting cylinder (16) through the connecting piece. The power shaft of the lifting cylinder (16) is connected to the lifting structure. The lifting structure is equipped with a swing cylinder (17). The swing cylinder (17) can drive the clamp cylinder (18) to rotate. The clamp cylinder (18) can drive two sets of extended fingers (19) to move relative to each other and thus clamp the template (6).

4. The automated mold removal device for stubborn products during bottom-fired group mold production as described in claim 3, characterized in that, The extended fingers (19) all have stepped surfaces for holding the template (6).

5. The automated mold removal device for stubborn products during bottom-fired group mold production as described in claim 1, characterized in that, It also includes a lifting and demolding mechanism (2) that can detach the tooling mold composed of the mold base plate (7) and the template (6); The lifting and demolding mechanism (2) includes a stopper (10) arranged on the frame (1), and an upward lifting cylinder (9) is also arranged on the frame. A lifting plate (27) is arranged at the end of the power shaft of the lifting cylinder (9). A side plate (28) is fixed on the lifting plate (27). When the side plate (28) moves upward, it can lift the template (6) to separate the mold base plate (7) from the template (6).

6. The automated mold removal device for stubborn products during bottom-fired group mold production as described in claim 5, characterized in that, A stopper (10) is arranged on the transport path of the tooling mold composed of the mold base plate (7) and the template (6); the lifting cylinder (9), the stopper (10), the collection tray (11), and the tilting cylinder (14) are all fixed on the fixed frame (12), and the fixed frame 12 is fixed on the frame (1); the lifting cylinder (9) is arranged at an angle, and when it moves, it can push the mold base plate (7) to tilt relative to each other, and guide some of the remaining products to the collection tray (11), which is located on the side of the mold base plate (7).

7. The automated mold removal device for stubborn products during bottom-fired group mold production as described in claim 1, characterized in that, It also includes a collection and transmission section (5), which includes a collection and transmission section frame (23), a drive motor (24), and a transmission belt (25). Installation method: the collection and transmission section frame (23) is fixed to the ground, the drive motor (24) is fixed on the collection and transmission section frame (23), and the transmission belt (25) is fixed on the collection and transmission section frame (23) through the front and rear drive shafts.

8. The automated mold removal device for stubborn products during bottom-fired group mold production as described in claim 7, characterized in that, It also includes a flotation tank (26), which is fixed to one end of the collection and transmission section frame (23).

9. The automated mold removal device for stubborn products during bottom-fired group mold production as described in claim 1, characterized in that, The tooling mold composed of the mold base plate (7) and the template (6) can be sent to the station of the automated mold removal device by the transmission line.

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