Automatic demolding device of hardware precision forming mold

Abstract

The utility model relates to the technical field of demolding devices, and discloses an automatic demolding device of a hardware precision forming mold, which comprises a workbench, four corners of the top wall of the workbench are fixedly connected with stand columns, the top ends of the stand columns are fixedly connected with a top plate, and the middle part of the top wall of the top plate is fixedly connected with a hydraulic rod I; bottom dies are fixedly connected to the middle of the front side of the top wall of the workbench and the bottom wall of the first hydraulic rod, a lower die body is arranged at the top of the bottom die at the bottom, an upper die body is arranged at the bottom of the bottom die at the top, a door plate is arranged on the front side of the outer wall of the workbench, and a first square groove is formed in the front side of the interior of the workbench. According to the utility model, the hydraulic rod II pushes the bottom plate to move upwards, the top column module is jacked up by the bottom plate to move upwards, and the double-end pulley block rotates on the L-shaped block to jack up the top column module again, so that the defects of deformation and cracking caused by non-uniform resistance stress of different parts in the process of separating the hardware from the lower die body are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a demoulding device technical field especially relates to hardware precision forming die automatic demoulding device. BACKGROUND

[0002] Hardware is the gold, silver, copper, iron and aluminum metal as the main raw material, after casting, forging, stamping and machining various processes made of parts or products, plays a key role in many fields.

[0003] Automatic demoulding device can separate hardware from the mould quickly and automatically, without manual operation, greatly shorten the time of each production cycle, for example, in hardware stamping die, automatic demoulding mechanism quickly ejects hardware after stamping, so that the mould can quickly perform the next stamping operation.

[0004] Hardware precision forming die automatic demoulding device improves production efficiency, integrates demoulding step into mould action, shortens production cycle, improves product quality, avoids scratch and deformation defect caused by manual demoulding, improves product size precision and surface quality, but when the shape of hardware is complex, such as deep hole, reverse buckle and multi-surface structure, automatic demoulding device cannot make hardware completely demould from the mould, resulting in partial residual, affecting product quality and production efficiency, the prior art is to reasonably design demoulding mechanism according to the shape and structure characteristics of hardware, for example, for hardware with reverse buckle, special demoulding mechanism of slider and inclined top is adopted to ensure smooth demoulding, but even after optimization, it is not easy to make demoulding force uniformly distributed on the product surface, especially for complex shape and uneven wall thickness product, the demoulding resistance of different parts is different, resulting in excessive local stress of product, deformation and cracking defect. CONTENT OF UTILITY MODEL

[0005] In order to make up for the above shortcomings, the utility model provides hardware precision forming die automatic demoulding device, aims at improving the problem of excessive local stress, deformation and cracking defect in prior art.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: Hardware precision forming die automatic stripping device, including the workbench, the top wall four corner of workbench is all fixedly connected with the stand, the top of stand is fixedly connected with the top plate, the top wall middle part of top plate is fixedly connected with hydraulic rod no.

[0007] As a further description of the above technical scheme:

[0008] The die changing mechanism includes square grooves two, a plurality of square grooves two are equidistantly arranged on the left and right sides of the outer wall of the bottom die, the inner wall of the square groove two is provided with a circular groove on the front and back sides, the inner wall of the circular groove is rotatably connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a cylinder, the distal end of the cylinder is threadedly connected with a nut, and a plurality of square grooves three are equidistantly arranged on the left and right sides of the outer wall of the upper die and the lower die.

[0009] As a further description of the above technical scheme:

[0010] The outer wall of the workbench is fixedly connected with a control console on the middle and upper part of the front side, and buttons are installed on the left and right ends of the outer wall of the control console.

[0011] As a further description of the above technical scheme:

[0012] The outer wall of the workbench is fixedly connected with a cooler on the rear side of the top wall, and a conveying pipe is communicated with the outer wall of the cooler on the middle part of the front side.

[0013] As a further description of the above technical scheme:

[0014] A plurality of hinges are equidistantly installed on the left and right ends of the front side of the outer wall of the workbench, the outer wall of the hinge is threadedly connected with a bolt, and the workbench is rotatably connected with the door plate through the hinge.

[0015] As a further description of the above technical scheme:

[0016] A handle is fixedly connected to the outer wall of the door panel, and an anti-slip sleeve is installed on the outer wall of the handle.

[0017] As a further description of the above technical solution:

[0018] A support arm is fixedly connected to the right side of the outer wall of the workbench, and a controller is installed on the top wall of the support arm.

[0019] As a further description of the above technical solution:

[0020] The workbench is fixedly connected to four corners of its bottom wall with support feet, and the bottom walls of the support feet are equipped with anti-slip pads.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the hydraulic rod 2 pushes the base plate to move upward, and the base plate lifts the top column block to move upward, so that the top column block lifts the hardware in the lower mold body for the first time. When the double-headed pulley block slides to the upper limit of the slide groove, one side of the double-headed pulley block will be downward, and the double-headed pulley block will rotate on the L-shaped block so that the other side will lift the top column block again. This realizes that during the process of hardware detaching from the lower mold body, the resistance of different parts is reduced and the uneven force is reduced, which leads to deformation and cracking defects.

[0023] 2. In this utility model, the nut on the cylinder is unscrewed, which loosens the square groove three on the lower mold body and the upper mold body. Then, the cylinder linkage shaft is rotated to both sides and rotated in the circular groove in the square groove two. Through the above operation, the upper mold body and the lower mold body on the bottom mold can be easily separated, which reduces the time required for mold changing, thereby reducing the downtime of the equipment and reducing production efficiency. Attached Figure Description

[0024] Figure 1 This is a perspective view of the automatic demolding device for precision forming molds of hardware parts proposed in this utility model;

[0025] Figure 2 This is a partial structural exploded view of the automatic demolding device for precision forming molds of hardware parts proposed in this utility model;

[0026] Figure 3 This is a partial structural cross-sectional view of the automatic demolding device for precision forming molds of hardware parts proposed in this utility model;

[0027] Figure 4 This is a partial exploded view of the automatic demolding device for precision forming molds of hardware parts proposed in this utility model;

[0028] Figure 5 This is a schematic diagram of the mold changing mechanism of the automatic demolding device for precision forming molds of hardware parts proposed in this utility model.

[0029] Legend:

[0030] 1. Workbench; 2. Mold changing mechanism; 201. Square groove II; 202. Circular groove; 203. Rotating shaft; 204. Column; 205. Nut; 206. Square groove III; 3. Column; 4. Top plate; 5. Hydraulic rod I; 6. Bottom mold; 7. Lower mold body; 8. Upper mold body; 9. Square groove I; 10. Hydraulic rod II; 11. Base plate; 12. Sliding column; 13. Top column assembly; 14. L-shaped block; 15. Double-headed pulley block; 16. Slide groove; 17. Door panel; 18. Control console; 19. Button; 20. Cooler; 21. Conveying pipe; 22. Hinge; 23. Bolt; 24. Handle; 25. Anti-slip sleeve; 26. Support arm; 27. Controller; 28. Support foot; 29. ​​Anti-slip mat. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figure 1 , Figure 3 and Figure 4The utility model provides a kind of embodiment: hardware precision forming die automatic stripping device, including workbench 1, the top wall four corners of workbench 1 are uniformly connected with stand 3, stand 3 is used to support top plate 4, the top of stand 3 is fixedly connected with top plate 4, the top wall middle part of top plate 4 is fixedly connected with hydraulic rod one 5, the top wall front side middle part of workbench 1 and the bottom wall of hydraulic rod one 5 are uniformly fixedly connected with bottom die 6, hydraulic rod one 5 is used to push the bottom die 6 of top, the top of bottom die 6 is provided with lower mould body 7, the bottom of top bottom die 6 is provided with upper mould body 8, the outer wall front side of workbench 1 is provided with door panel 17, the inside front side of workbench 1 is provided with square groove one 9, the inner bottom wall middle part of square groove one 9 is fixedly connected with hydraulic rod two 10, the output end of hydraulic rod two 10 is fixedly connected with bottom plate 11, hydraulic rod two 10 is used to push bottom plate 11, the top wall four corners of bottom plate 11 are uniformly fixedly connected with slide column 12, the outer wall of multiple slide columns 12 is slidably connected with top column group block 13, slide column 12 is used to stabilize the sliding distance of top column group block 13, the top wall left and right sides equidistant of bottom plate 11 are fixedly connected with multiple L-shaped blocks 14, the inner wall of L-shaped block 14 is rotatably connected with double-head pulley block 15, double-head pulley block 15 is used to lift top column group block 13 twice, the inner wall left and right sides equidistant of square groove one 9 are provided with multiple sliding grooves 16, sliding groove 16 is slidably connected with double-head pulley block 15, and sliding groove 16 is used to slide double-head pulley block 15, the outer wall left and right sides of bottom die 6 are provided with die changing mechanism 2, die changing mechanism 2 is used to quickly replace upper mould body 7 and lower mould body 8, the outer wall front side middle part of workbench 1 is fixedly connected with control console 18, control console 18 is used to control the lifting of hydraulic rod one 5 to make it close upper mould body 7 and lower mould body 8, the outer wall front side left and right ends of control console 18 are all installed with button 19, button 19 is used to start control console 18, the top wall rear side of workbench 1 is fixedly connected with cooler 20, cooler 20 can quickly reduce the temperature of hardware after forming, so that it reaches the hardness and strength required for stripping in a short time, convenient for automatic stripping device to strip smoothly, shorten production cycle, improve production efficiency, the outer wall front side middle part of cooler 20 is communicated with conveying pipe 21, conveying pipe 21 conveys cooling medium in cooler 20 to the cooling channel of mould, so that cooling medium can circulate and flow in mould, to take away the heat generated in the process of moulding of mould and hardware, thereby realizing cooling purpose, conveying pipe 21 is communicated in the outer wall rear side middle part of lower mould body 7;

[0033] Specifically, the hydraulic rod one 5 pushes the upper die body 7 to close the lower die body 8, the hydraulic rod two 10 pushes the bottom plate 11 to move upwards, the top column block 13 is lifted by the bottom plate 11 to move upwards, the top column block 13 first lifts the hardware in the lower die body 7, at this time, the double-head pulley block 15 on the bottom plate 11 slides in the sliding groove 16, when the double-head pulley block 15 slides to the upper limit of the sliding groove 16, one side of the double-head pulley block 15 will be downward, and the double-head pulley block 15 rotates on the L-shaped block 14 to make the other side lift the top column block 13 again, so that the hardware is separated from the lower die body 7, the control panel 18 is used to control the lifting of the hydraulic rod one 5 to close the upper die body 7 and the lower die body 8, the button 19 is used to start the control panel 18, the cooler 20 can quickly reduce the temperature of the formed hardware, so that it reaches the required hardness and strength for demolding in a short time, facilitating the automatic demolding device to demold smoothly, shortening the production cycle and improving the production efficiency, the conveying pipe 21 conveys the cooling medium in the cooler 20 to the cooling channel of the mold, so that the cooling medium can circulate in the mold, taking away the heat generated in the molding process of the mold and the hardware, thereby achieving the cooling purpose.

[0034] With reference to Figure 1 , Figure 2 and Figure 5 , the die changing mechanism 2 comprises square grooves two 201, a plurality of square grooves two 201 are equidistantly arranged on the left and right sides of the outer wall of the bottom die 6, the front and rear sides of the inner wall of the square groove two 201 are provided with circular grooves 202, the inner wall of the circular groove 202 is rotatably connected with a rotating shaft 203, the circular groove 202 is used to rotate the rotating shaft 203, the outer wall of the rotating shaft 203 is fixedly connected with a cylinder 204, the cylinder 204 is used to rotate the rotating shaft 203, the distal end of the cylinder 204 is threadedly connected with a nut 205, the nut 205 is used to fix the upper die body 7 and the lower die body 8 on the bottom die 6, the left and right sides of the outer wall of the upper die body 7 and the lower die body 8 are equidistantly provided with a plurality of square grooves three 206, the square grooves three 206 are used to accommodate the cylinder 204 and the nut 205, the outer wall of the right side of the workbench 1 is fixedly connected with a supporting arm 26, the supporting arm 26 is used to fix a controller 27, the top wall of the supporting arm 26 is provided with the controller 27, the controller 27 is used to set and adjust the parameters related to demolding according to different hardware products, mold structures and production process requirements.

[0035] Specifically, the nut 205 on the cylinder 204 is twisted to loosen the square grooves three 206 on the lower die body 7 and the upper die body 8, then the cylinder 204 is rotated to the left and right, and the rotating shaft 203 rotates in the circular groove 202 in the square groove two 201, through the above operation, the upper die body 7 and the lower die body 8 on the bottom die 6 are easily separated, which reduces the time required for changing the mold, thereby increasing the equipment downtime and reducing the production efficiency, the supporting arm 26 is used to fix the controller 27, and the controller 27 is used to set and adjust the parameters related to demolding according to different hardware products, mold structures and production process requirements.

[0036] Referring to Figure 1 , the outer wall of the workbench 1 is provided with a plurality of hinges 22 at the left and right ends of the front side, and the hinges 22 are threadedly connected with bolts 23 for fixing the hinges 22, and the workbench 1 is rotatably connected with the door plate 17 through the hinges 22, and the hinges 22 are used to rotate the door plate 17, and the outer wall of the door plate 17 is fixedly connected with a handle 24, and the handle 24 is used to open or close the door plate 17, and the outer wall of the handle 24 is provided with an anti-skid sleeve 25, and the special texture or material on the surface of the anti-skid sleeve 25 can greatly increase the friction between the handle and the hand, so that the operator can firmly hold the handle 24 in various postures and forces, and the four corners of the bottom wall of the workbench 1 are fixedly connected with supporting feet 28, and the supporting feet 28 are used to bear the weight of the mold, the workbench 1 and the hardware, so as to ensure that the whole device remains stable during work, prevents shaking, tilting or even collapsing due to unstable center of gravity or uneven force, and provides a stable foundation for precise molding and automatic demolding, and the bottom wall of the supporting feet 28 is provided with anti-skid pads 29, which can effectively prevent the supporting feet 28 from sliding on the ground, so as to ensure that the workbench 1 remains in a stable position during work.

[0037] Specifically, the hinges 22 make the door plate 17 rotate on the workbench 1, the bolts 23 are used to fix the hinges 22 on the workbench 1, the handle 24 is used to open or close the door plate 17, the special texture or material on the surface of the anti-skid sleeve 25 can greatly increase the friction between the handle and the hand, so that the operator can firmly hold the handle 24 in various postures and forces, the supporting feet 28 are used to bear the weight of the mold, the workbench 1 and the hardware, so as to ensure that the whole device remains stable during work, prevents shaking, tilting or even collapsing due to unstable center of gravity or uneven force, and provides a stable foundation for precise molding and automatic demolding, and the anti-skid pads 29 can effectively prevent the supporting feet 28 from sliding on the ground, so as to ensure that the workbench 1 remains in a stable position during work.

[0038] Working principle: when the hardware is completely formed in the lower mold body 7, the hydraulic rod two 10 in the workbench 1 is started, the bottom plate 11 is pushed up to move upward, the top column block 13 is lifted up to move upward through the bottom plate 11, the top column block 13 is lifted up for the first time to make the hardware in the lower mold body 7, at this time, the double-head pulley block 15 on the bottom plate 11 slides in the sliding groove 16, when the double-head pulley block 15 slides to the upper limit of the sliding groove 16, one side of the double-head pulley block 15 will be downward, and the double-head pulley block 15 rotates on the L-shaped block 14 to make the other side lift the top column block 13 again, so that the hardware is separated from the lower mold body 7;

[0039] When the mold needs to be replaced, first, the nut 205 on the cylinder 204 is unscrewed to loosen the square slot three 206 on the lower mold body 7 and the upper mold body 8, then the cylinder 204 is turned to the two sides to rotate in the round groove 202 in the square slot two 201, through the above operation, the upper mold body 7 and the lower mold body 8 on the bottom mold 6 are easily separated, the time required for mold replacement is reduced, thereby increasing the equipment downtime and reducing the production efficiency.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. An automatic demolding device for precision forming molds of hardware parts, comprising a worktable (1), characterized in that: The top wall of the workbench (1) is fixedly connected to four corners of the top wall with columns (3). The top of the columns (3) is fixedly connected to a top plate (4). The top wall of the top plate (4) is fixedly connected to a hydraulic rod (5). The front middle of the top wall of the workbench (1) and the bottom wall of the hydraulic rod (5) are both fixedly connected to a bottom mold (6). The bottom of the bottom mold (6) is provided with a lower mold body (7) at the top and an upper mold body (8) at the bottom of the top. The front of the outer wall of the workbench (1) is provided with a door panel (17). The front of the interior of the workbench (1) is provided with a square groove (9). The middle of the inner bottom wall of the square groove (9) is fixedly connected to a hydraulic rod (10). The output end of the 0) is fixedly connected to a base plate (11). The four corners of the top wall of the base plate (11) are fixedly connected to sliding columns (12). The outer walls of the multiple sliding columns (12) are slidably connected to top column blocks (13). The left and right sides of the top wall of the base plate (11) are fixedly connected to multiple L-shaped blocks (14) at equal intervals. The inner walls of the L-shaped blocks (14) are rotatably connected to double-headed pulley blocks (15). The inner walls of the square groove (9) are provided with multiple sliding grooves (16) at equal intervals on the left and right sides. The sliding grooves (16) are slidably connected to the double-headed pulley blocks (15). The outer walls of the bottom mold (6) are provided with mold changing mechanisms (2). The mold changing mechanisms (2) are used to quickly change the upper mold body (8) and the lower mold body (7).

2. The automatic demolding device for precision forming molds of hardware parts according to claim 1, characterized in that: The mold changing mechanism (2) includes a square groove 2 (201), and multiple square grooves 2 (201) are equidistantly opened on the left and right sides of the outer wall of the bottom mold (6). The inner wall of the square groove 2 (201) is provided with a circular groove (202) on the front and back sides. The inner wall of the circular groove (202) is rotatably connected to a rotating shaft (203). The outer wall of the rotating shaft (203) is fixedly connected to a cylinder (204). The end of the cylinder (204) is threadedly connected to a nut (205). Multiple square grooves 3 (206) are equidistantly opened on the left and right sides of the outer wall of the upper mold body (8) and the lower mold body (7).

3. The automatic demolding device for precision forming molds of hardware parts according to claim 1, characterized in that: A control console (18) is fixedly connected to the upper middle part of the front side of the outer wall of the workbench (1), and buttons (19) are installed on the left and right ends of the front side of the outer wall of the control console (18).

4. The automatic demolding device for precision forming molds of hardware parts according to claim 1, characterized in that: A cooler (20) is fixedly connected to the rear side of the top wall of the workbench (1). A conveying pipe (21) is connected to the middle of the front side of the outer wall of the cooler (20). The conveying pipe (21) is connected to the middle of the rear side of the outer wall of the lower mold body (7).

5. The automatic demolding device for precision forming molds of hardware parts according to claim 1, characterized in that: Multiple hinges (22) are equidistantly installed on the left and right ends of the front side of the outer wall of the workbench (1). Bolts (23) are threaded onto the outer wall of the hinges (22). The workbench (1) is rotatably connected to the door panel (17) through the hinges (22).

6. The automatic demolding device for precision forming molds of hardware parts according to claim 1, characterized in that: A handle (24) is fixedly connected to the outer wall of the door panel (17), and an anti-slip sleeve (25) is installed on the outer wall of the handle (24).

7. The automatic demolding device for precision forming molds of hardware parts according to claim 1, characterized in that: A support arm (26) is fixedly connected to the right side of the outer wall of the workbench (1), and a controller (27) is installed on the top wall of the support arm (26).

8. The automatic demolding device for precision forming molds of hardware parts according to claim 1, characterized in that: The workbench (1) has four fixed support feet (28) at the four corners of its bottom wall, and the bottom wall of the support feet (28) is equipped with anti-slip pads (29).

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