Mold structure for producing aluminum-plastic combined cover

Abstract

The utility model relates to the technical field of molds, in particular to a mold structure for producing an aluminum-plastic combined cover, which comprises a base and a top plate, the base is fixedly connected with the top plate through a support column, the upper surface of the base is fixedly connected with a lower mold, a demolding mechanism is arranged in the lower mold, and an extrusion mechanism is arranged below the top plate. And a forming groove is formed in the lower mold. The rack is inserted into a sliding groove of the lower die and drives the first gear to rotate, the first gear drives the rotating rod to rotate, the rotating rod drives the bevel gear set to rotate, the bevel gear set drives the second gears to rotate, the three second gears rotate together in a meshed state, the second gears drive the threaded rod to rotate, and the threaded rod drives the threaded cylinder to slide. The threaded barrel retracts into the lower mold, the forming block is inserted into the forming groove to form the aluminum-plastic combined cover, and after forming is completed, the hydraulic cylinder is started reversely, the rack moves upwards, and the threaded barrel slides upwards to eject the aluminum-plastic combined cover out.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a mold structure for producing aluminum-plastic combined covers. Background Art

[0002] The aluminum-plastic cover is a supporting product for antibiotics, blood products, and infusion medicine bottles that is urgently needed by the State Drug Administration to implement GMP industry standards. It is a plastic cover that matches the center hole of the aluminum cover and is riveted on the top of the existing medicine bottle aluminum cover with the edge of the center hole as the riveting point.

[0003] For example, the mold structure for producing aluminum-plastic composite covers with patent number CN217370280U includes a lower mold base, a guide column, an upper mold base and a guide sleeve. The guide column is embedded in the lower mold base, and the guide sleeve is embedded in the upper mold base. The upper mold base is molded with the lower mold base through the guide sleeve and the guide column. The lower mold base includes a bottom plate, a lower mold plate and a support plate. The lower mold plate is installed on the fixed bottom plate by bolts. The support plate is placed on the lower mold plate, and a workpiece placement hole is provided on the support plate. The above documents still have deficiencies. When in use, the sequential workstations of first assembling and then riveting are adopted, and the aluminum and plastic covers are sequentially placed in the workpiece placement holes of the support plate for assembly. , limit, and then put the pallet on the lower die for hot riveting. Control measures for the assembly of aluminum-plastic covers are added during the production process, which can effectively ensure the riveting quality and improve the qualified rate of finished products of aluminum-plastic covers. However, the aluminum-plastic combination cover is attached to the inside of the pallet after molding, and it is necessary to manually pick it out or turn the pallet over and shake it. The pallet has a certain weight and the operation is more troublesome. When in use, it is not convenient to demold the aluminum-plastic combination cover. At the same time, when the aluminum-plastic combination cover is extruded, a large extrusion force is required, and the requirements for the hydraulic cylinder are high. When in use, it is not convenient to increase the extrusion force of the hydraulic cylinder. Utility Model Content

[0004] The utility model aims to solve the problem that it is inconvenient to demould the aluminum-plastic combination cover, and proposes a mold structure for producing the aluminum-plastic combination cover.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A mold structure for producing aluminum-plastic combination covers is designed, comprising a base and a top plate, the base is fixedly connected to the top plate by a support, a lower mold is fixedly connected to the upper surface of the base, a demoulding mechanism is arranged inside the lower mold, an extrusion mechanism is arranged below the top plate, a molding groove is arranged inside the lower mold, a sleeve is fixedly connected to the lower surface of the top plate, a sliding rod is slidably connected inside the sleeve, and a back plate is fixedly connected below the sliding rod.

[0007] Preferably, the demoulding mechanism includes a rotating rod, the outer wall of which is rotatably connected to the lower mold via a bearing, a first gear is fixedly connected to one end of the rotating rod, the first gear is meshed with a rack, the rack is fixedly connected to the bottom of the back plate, the other end of the rotating rod is fixedly connected to a bevel gear set, a second gear is fixedly connected to the top of the bevel gear set, the second gear is rotatably connected to the lower mold via a bearing, three second gears are meshed and connected, a screw is fixedly connected to the top of the second gear, the outer wall of the lower end of the screw is rotatably connected to the lower mold via a bearing, the outer wall of the screw is threadedly connected to a threaded barrel, and the outer wall of the threaded barrel is slidably connected to the lower mold.

[0008] Preferably, the extrusion mechanism includes a hydraulic cylinder, which is fixed to the lower surface of the top plate, and the hydraulic rod of the hydraulic cylinder is fixed to a cross bar, both ends of the cross bar are rotatably connected to a first support rod via a pin, the end of the first support rod is rotatably connected to a second support rod and a third support rod via a pin, the end of the third support rod is rotatably connected to the back plate via a pin, the end of the second support rod is rotatably connected to a vertical rod via a pin, and the vertical rod is fixed to the bottom of the top plate.

[0009] Preferably, an upper mold is fixedly connected below the back plate, and a forming block is fixedly connected below the upper mold.

[0010] Preferably, the outer wall of the forming block is clearance-matched with the forming groove.

[0011] Preferably, a heating pipe is fixedly connected to the interior of the upper mold.

[0012] The utility model provides a mold structure for producing an aluminum-plastic combination cover, and has the beneficial effects that: through the cooperation among a rotating rod, a first gear, a bevel gear set, a second gear, a screw rod, a threaded barrel and a rack, the rack rod is inserted into the slide groove of a lower mold and drives the first gear to rotate, the first gear drives the rotating rod to rotate, the rotating rod drives the bevel gear set to rotate, the bevel gear set drives the second gear to rotate, the three second gears rotate together in a meshing state, the second gear drives the screw rod to rotate, the screw rod drives the threaded barrel to slide, the threaded barrel retracts into the interior of the lower mold, the forming block is inserted into the forming groove to form the aluminum-plastic combination cover, after the forming is completed, the hydraulic cylinder is started in the reverse direction, the rack rod moves upward, the threaded barrel slides upward to eject the aluminum-plastic combination cover, the operation is relatively simple, and when in use, it is convenient to realize the demoulding of the aluminum-plastic combination cover.

[0013] Through the cooperation between the hydraulic cylinder, the cross bar, the first support rod, the second support rod, the third support rod and the vertical rod, the hydraulic cylinder drives the cross bar to move, the cross bar drives the first support rod, the first support rod drives the second support rod and the third support rod to move, the vertical rod supports the second support rod, and the third support rod drives the back plate to move. The cross bar, the first support rod, the second support rod and the third support rod increase the driving force of the hydraulic cylinder, which is convenient for increasing the extrusion force of the hydraulic cylinder when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a structural sectional view of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the connection between the hydraulic cylinder, the cross bar and the first support rod in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the connection between the transfer rod, the first gear and the second gear in the utility model.

[0018] In the figure: 1, base, 2, top plate, 3, demoulding mechanism, 301, rotating rod, 302, first gear, 303, bevel gear set, 304, second gear, 305, screw, 306, threaded barrel, 307, rack, 3a1, protective plate, 4, extrusion mechanism, 401, hydraulic cylinder, 402, cross bar, 403, first support rod, 404, second support rod, 405, third support rod, 406, vertical rod, 5, lower mold, 6, molding groove, 7, sleeve, 8, slide rod, 9, back plate, 10, upper mold, 11, molding block, 12, heating pipe. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings:

[0020] Embodiment 1:

[0021] See attached Figure 1-4 In the present embodiment, a mold structure for producing an aluminum-plastic composite cover comprises a base 1 and a top plate 2. The base 1 is fixedly connected to the top plate 2 through a support. A lower mold 5 is fixedly connected to the upper surface of the base 1. A demoulding mechanism 3 is arranged inside the lower mold 5. The demoulding mechanism 3 facilitates the demoulding of the aluminum-plastic composite cover. An extrusion mechanism 4 is arranged below the top plate 2. The extrusion mechanism 4 increases the extrusion force. A molding groove 6 is arranged inside the lower mold 5. A sleeve 7 is fixedly connected to the lower surface of the top plate 2. A slide rod 8 is slidably connected inside the sleeve 7. The slide rod 8 is arranged at the sleeve 7. Internal sliding, a back plate 9 is fixedly connected below the slide rod 8, the sleeve 7 and the slide rod 8 guide the movement of the back plate 9, an upper mold 10 is fixedly connected below the back plate 9, the back plate 9 drives the upper mold 10 to move, a forming block 11 is fixedly connected below the upper mold 10, the upper mold 10 drives the forming block 11 to move, the outer wall of the forming block 11 is gap-matched with the forming groove 6, the forming block 11 cooperates with the forming groove 6 to extrude the aluminum-plastic composite cover, and a heating pipe 12 is fixedly connected to the inside of the upper mold 10, the heating pipe 12 heats the forming block 11.

[0022] The demoulding mechanism 3 includes a rotating rod 301, a first gear 302, a bevel gear set 303, a second gear 304, a screw 305, a threaded cylinder 306 and a rack 307. The outer wall of the rotating rod 301 is rotatably connected to the lower mold 5 through a bearing. One end of the rotating rod 301 is fixedly connected to the first gear 302, and the first gear 302 drives the rotating rod 301 to rotate. The first gear 302 is meshed with the rack 307, and the rack 307 drives the first gear 302 to rotate. The rack 307 is fixedly connected to the bottom of the back plate 9, and the back plate 9 drives the rack 307 to move. The other end of the rotating rod 301 is fixedly connected to the bevel gear set 303, and the rotating rod 301 drives the bevel gear set 303 to rotate. The top of the bevel gear set 303 is fixedly connected to the bottom of the back plate 9. The second gear 304 is connected, and the bevel gear set 303 drives the second gear 304 to rotate. The second gear 304 is rotatably connected to the lower mold 5 through a bearing. The three second gears 304 are meshed and connected. The three second gears 304 rotate together. A screw 305 is fixedly connected above the second gear 304. The second gear 304 drives the screw 305 to rotate. The outer wall of the lower end of the screw 305 is rotatably connected to the lower mold 5 through a bearing. The outer wall of the screw 305 is threadedly connected with a threaded barrel 306. The screw 305 drives the threaded barrel 306 to slide. The outer wall of the threaded barrel 306 is slidably connected to the lower mold 5. The shape of the threaded barrel 306 is square, and the threaded barrel 306 will not rotate with the screw 305.

[0023] The rack 307 is inserted into the slide groove of the lower mold 5 and drives the first gear 302 to rotate, the first gear 302 drives the rotating rod 301 to rotate, the rotating rod 301 drives the bevel gear set 303 to rotate, the bevel gear set 303 drives the second gear 304 to rotate, the three second gears 304 rotate together in a meshing state, the second gear 304 drives the screw 305 to rotate, the screw 305 drives the threaded cylinder 306 to slide, the threaded cylinder 306 retracts into the interior of the lower mold 5, the molding block 11 is inserted into the molding groove 6 to mold the aluminum-plastic combination cover, after molding is completed, the hydraulic cylinder 401 is started in the reverse direction, the rack 307 moves upward, the threaded cylinder 306 slides upward to eject the aluminum-plastic combination cover, the operation is relatively simple, and when in use, it is easy to realize the demoulding of the aluminum-plastic combination cover.

[0024] The extrusion mechanism 4 includes a hydraulic cylinder 401, a cross bar 402, a first support bar 403, a second support bar 404, a third support bar 405 and a vertical bar 406. The hydraulic cylinder 401 is fixed to the lower surface of the top plate 2. The hydraulic rod of the hydraulic cylinder 401 is fixed to the cross bar 402. The hydraulic cylinder 401 drives the cross bar 402 to move. Both ends of the cross bar 402 are rotatably connected to the first support bar 403 through a pin shaft. The cross bar 402 drives the two first support bars 403 to move. The end of the first support bar 403 is rotatably connected to the second support bar 404 and the third support bar 405 through a pin shaft. The first support bar 403 drives the second support bar 404 and the third support bar 405 to move. The end of the third support bar 405 is rotatably connected to the back plate 9 through a pin shaft. The third support bar 405 drives the back plate 9 to move. The end of the second support bar 404 is rotatably connected to the vertical bar 406 through a pin shaft. The vertical bar 406 is fixed to the bottom of the top plate 2.

[0025] The hydraulic cylinder 401 drives the cross bar 402 to move, the cross bar 402 drives the first support rod 403, the first support rod 403 drives the second support rod 404 and the third support rod 405 to move, the vertical rod 406 supports the second support rod 404, and the third support rod 405 drives the back plate 9 to move. The cross bar 402, the first support rod 403, the second support rod 404 and the third support rod 405 increase the driving force of the hydraulic cylinder 401, which is convenient for increasing the squeezing force of the hydraulic cylinder 401 when in use.

[0026] Working principle:

[0027] When the mold structure for producing aluminum-plastic composite covers is used, the aluminum and plastic covers are sequentially placed into the forming groove 6, the forming block 11 is heated by the heating pipe 12, and the hydraulic cylinder 401 is started. The hydraulic cylinder 401 drives the cross bar 402 to move, the cross bar 402 drives the first support rod 403, the first support rod 403 drives the second support rod 404 and the third support rod 405 to move, the vertical rod 406 supports the second support rod 404, and the third support rod 405 drives the back plate 9 to move. The cross bar 402, the first support rod 403, the second support rod 404 and the third support rod 405 increase the driving force of the hydraulic cylinder 401. When in use, it is convenient to increase the extrusion force of the hydraulic cylinder 401, the back plate 9 drives the upper mold 10 and then the rack 307 to descend, and the upper mold 10 drives the forming The block 11 moves, the rack 307 is inserted into the slide groove of the lower mold 5 and drives the first gear 302 to rotate, the first gear 302 drives the rotating rod 301 to rotate, the rotating rod 301 drives the bevel gear set 303 to rotate, the bevel gear set 303 drives the second gear 304 to rotate, the three second gears 304 rotate together in a meshing state, the second gear 304 drives the screw 305 to rotate, the screw 305 drives the threaded cylinder 306 to slide, the threaded cylinder 306 retracts into the interior of the lower mold 5, the forming block 11 is inserted into the forming groove 6 to form the aluminum-plastic combination cover, after the forming is completed, the hydraulic cylinder 401 is started in the reverse direction, the rack 307 moves upward, the threaded cylinder 306 slides upward to eject the aluminum-plastic combination cover, the operation is relatively simple, and when in use, it is easy to realize the demoulding of the aluminum-plastic combination cover.

[0028] Embodiment 2:

[0029] See attached Figure 1-4 : In this embodiment, a mold structure for producing an aluminum-plastic composite cover, the demoulding mechanism 3 also includes a protective plate 3a1, the protective plate 3a1 is fixed to the surface of the lower mold 5 by bolts, and the protective plate 3a1 and the lower mold 5 can be separated;

[0030] Through the function of the protective plate 3a1, the protective plate 3a1 can be removed by screwing the bolts on the surface of the protective plate 3a1, so as to facilitate the oiling maintenance of the bevel gear set 303 and avoid jamming during demoulding.

[0031] Working principle:

[0032] The protective plate 3a1 can be removed by screwing the bolts on the surface of the protective plate 3a1, so as to facilitate oiling and maintenance of the bevel gear set 303 and avoid jamming during demoulding.

[0033] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A mold structure for producing aluminum-plastic composite covers, comprising a base (1) and a top plate (2), wherein the base (1) is fixedly connected to the top plate (2) via a support, and characterized in that: The upper surface of the base (1) is fixedly connected to a lower mold (5), a demoulding mechanism (3) is arranged inside the lower mold (5), an extrusion mechanism (4) is arranged below the top plate (2), a molding groove (6) is arranged inside the lower mold (5), a sleeve (7) is fixedly connected to the lower surface of the top plate (2), a sliding rod (8) is slidably connected inside the sleeve (7), and a back plate (9) is fixedly connected below the sliding rod (8).

2. The mold structure for producing an aluminum-plastic composite cover according to claim 1, characterized in that: The demoulding mechanism (3) comprises a rotating rod (301), the outer wall of which is rotatably connected to the lower mold (5) via a bearing, one end of the rotating rod (301) is fixedly connected to a first gear (302), the first gear (302) is meshed with a rack (307), the rack (307) is fixedly connected below the back plate (9), the other end of the rotating rod (301) is fixedly connected to a bevel gear set (303), the top of the bevel gear set (303) is fixedly connected to a first gear (302), and the first gear (302) is meshed with a rack (307). The rack (307) is fixedly connected below the back plate (9). Two gears (304), the second gear (304) is rotatably connected to the lower mold (5) through a bearing, three second gears (304) are meshed and connected, a screw (305) is fixedly connected above the second gear (304), the outer wall of the lower end of the screw (305) is rotatably connected to the lower mold (5) through a bearing, the outer wall of the screw (305) is threadedly connected to a threaded barrel (306), and the outer wall of the threaded barrel (306) is slidably connected to the lower mold (5).

3. The mold structure for producing an aluminum-plastic composite cover according to claim 1, characterized in that: The extrusion mechanism (4) comprises a hydraulic cylinder (401), wherein the hydraulic cylinder (401) is fixedly connected to the lower surface of the top plate (2), the hydraulic rod of the hydraulic cylinder (401) is fixedly connected to a cross bar (402), both ends of the cross bar (402) are rotatably connected to a first support bar (403) via a pin, the end of the first support bar (403) is rotatably connected to a second support bar (404) and a third support bar (405) via a pin, the end of the third support bar (405) is rotatably connected to the back plate (9) via a pin, the end of the second support bar (404) is rotatably connected to a vertical bar (406) via a pin, and the vertical bar (406) is fixedly connected to the bottom of the top plate (2).

4. The mold structure for producing an aluminum-plastic composite cover according to claim 1, characterized in that: An upper mold (10) is fixedly connected below the back plate (9), and a forming block (11) is fixedly connected below the upper mold (10).

5. The mold structure for producing aluminum-plastic composite covers according to claim 4, characterized in that: The outer wall of the forming block (11) is clearance-matched with the forming groove (6).

6. The mold structure for producing aluminum-plastic composite covers according to claim 4, characterized in that: A heating pipe (12) is fixedly connected inside the upper mold (10).

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