Demolding device for injection mold

Abstract

The utility model relates to the technical field of injection molds, and discloses a demolding device for an injection mold, which comprises a working table, the top of the working table is fixedly connected with a support frame, the top of the support frame is fixedly connected with a top plate, the bottom of the working table is fixedly connected with a mounting box, and the top of the working table is detachably connected with a lower mold. A demolding assembly is arranged on the inner wall of the mounting box, and a heat dissipation assembly is arranged on the inner wall of the top plate. The demolding assembly comprises a mounting frame. The demolding device for the injection mold is provided with the mounting frame, the speed reduction motor, the lead screw, the moving block, the threaded groove, the limiting rod, the supporting rod and the ejection plate, the speed reduction motor works, the ejection plate can move up and down, when a heavy mold needs to be demolded during molding, the ejection plate moves upwards, a forming mold can be well ejected out of a forming cavity of a lower mold, and the demolding effect is good. The demolding efficiency is improved, and the difficulty of manual operation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a kind of demoulding device for injection mold. BACKGROUND

[0002] Injection molding is also called injection molding, it is a kind of injection molding forming method;The advantages of injection molding method are high production speed, high efficiency, operation can realize automation, color variety, shape can be from simple to complex, size can be from big to small, and product size is accurate, product is easy to update, can form the workpiece of complex shape, injection molding is suitable for a large number of production and complex product forming processing field.

[0003] At present, the demoulding of injection mold is generally manually demoulding, since the temperature is higher when injection mold is formed, workers need to wait for a period of time after product cooling before demoulding operation.

[0004] Prior art publication CN219727020U patent document provides a kind of injection mold, when demoulding, connect external power supply to start air pump, air pump is sent to gas pipe by air inlet hole with external air, then gas pipe is sent to two separate air blow holes with air, finally air blow hole is sent to the injection cavity bottom end of lower mold with external air, using air pressure to lift the molded injection product in mold, then demoulding is carried out using artificial external force, the molded product is not easy to be clamped in mold inside by air pressure, so that the demoulding of mold becomes more convenient.

[0005] The above prior art, although it can blow up lighter injection mold after molding when demoulding, however, when facing heavier mold after injection molding, the force of gas is very limited, cannot blow up heavier molding mold well, thereby leading to obvious deficiency in handling demoulding problem of heavier mold, therefore, we need a kind of demoulding device for injection mold. SUMMARY

[0006] The utility model discloses a kind of demoulding devices for injection mold, to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of demoulding device for injection mold, including workbench, the top of the workbench is fixedly connected with support frame, and the top of support frame is fixedly connected with top plate, the bottom of the workbench is fixedly connected with installation box, and the top of workbench is detachably connected with lower mold, the inner wall of installation box is provided with demoulding assembly, the inner wall of top plate is provided with heat dissipation assembly;

[0008] The demolding assembly comprises a mounting frame, a reduction motor is mounted on the inner wall of the mounting frame, the output shaft of the reduction motor is fixedly connected with a lead screw through a shaft coupling, the outer wall of the lead screw is threadedly connected with a moving block, the inner wall of the moving block is provided with a threaded groove, and the inner wall of the moving block is slidably connected with a limiting rod, the top of the moving block is fixedly connected with a supporting rod, and one end of the supporting rod is fixedly connected with an ejection plate.

[0009] The heat dissipation assembly comprises a sliding groove, a fixed bearing is fixedly connected to the inner wall of the sliding groove, the inner wall of the fixed bearing is provided with a threaded rod, the outer wall of the threaded rod is threadedly connected with a moving frame, the outer wall of the moving frame is detachably connected with a heat conduction plate, the outer wall of the heat conduction plate is fixedly connected with heat dissipation fins, and the inner wall of the supporting frame is detachably connected with a cold air blower.

[0010] Preferably, the inner wall of the lower mold is provided with a forming cavity, the top of the top plate is provided with a hydraulic cylinder, and one end of the hydraulic cylinder is provided with an upper mold.

[0011] Preferably, the reduction motor and the moving block constitute a moving structure through the lead screw, and one end of the lead screw threadedly penetrates through the threaded groove.

[0012] Preferably, one end of the supporting rod penetrates through the mounting box and the workbench and extends into the lower mold to be connected with the ejection plate.

[0013] Preferably, the top plate and the threaded rod constitute a rotating structure through the fixed bearing, and one end of the threaded rod threadedly penetrates through the moving frame and extends into the fixed bearing to be connected.

[0014] Preferably, the inner wall of the sliding groove and the outer wall of the moving frame are matched in shape and size, and the inner wall of the sliding groove and the outer wall of the moving frame are in close contact.

[0015] Preferably, the number of the cold air blowers is two, and the two cold air blowers are symmetrically arranged with the vertical line of the workbench as the axis of symmetry.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] Firstly, the mounting frame, the reduction motor, the lead screw, the moving block, the threaded groove, the limiting rod, the supporting rod and the ejection plate are arranged, the up-down movement of the ejection plate can be realized through the operation of the reduction motor, when the heavy mold needs to be demolded, the molded mold can be well ejected from the forming cavity of the lower mold through the upward movement of the ejection plate, the demolding efficiency is improved, and the difficulty of manual operation is reduced.

[0018] Second, the utility model discloses a sliding slot, fixed bearing, threaded rod, moving frame, heat conduction plate, radiating fin and air cooler are provided, and through the handle rotation threaded rod, can make moving frame drive heat conduction plate and move and adhere to the upper die and lower die outer wall, make the heat of upper die and lower die transfer to heat conduction plate, and the heat is transferred to radiating fin on heat conduction plate and expands the heat dissipation area, through the work of two air coolers, blows cold wind to radiating fin, and the heat dissipation speed is accelerated, and the temperature of mould is effectively reduced, and the cooling time of mould is shortened, and production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the front view structure schematic drawing of the utility model;

[0020] Figure 2 It is the speed reducer and screw rod structure schematic drawing of the utility model;

[0021] Figure 3 It is the lower die and heat conduction plate structure schematic drawing of the utility model;

[0022] Figure 4 It is the utility model Figure 2 It is the enlarged structure schematic drawing of A place in the utility model.

[0023] Wherein: 1, workbench;2, support frame;3, top plate;4, installation box;5, lower die;6, demolding assembly;601, mounting frame;602, speed reducer;603, screw rod;604, moving block;605, threaded slot;606, limit rod;607, support rod;608, ejection plate;7, heat dissipation assembly;701, sliding slot;702, fixed bearing;703, threaded rod;704, moving frame;705, heat conduction plate;706, radiating fin;707, air cooler;8, forming cavity;9, hydraulic cylinder;10, upper die. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] For example, Figures 1-4As shown, a kind of injection mold stripping device, including workbench 1, the top of workbench 1 is fixedly connected with support frame 2, and the top of support frame 2 is fixedly connected with top plate 3, the bottom of workbench 1 is fixedly connected with installation box 4, and the top of workbench 1 is detachably connected with lower mould 5, the inner wall of installation box 4 is provided with stripping assembly 6, and the inner wall of top plate 3 is provided with heat dissipation assembly 7;Stripping assembly 6 includes mounting bracket 601, and the inner wall of mounting bracket 601 is installed with speed reducer 602, the output shaft of speed reducer 602 is fixedly connected with lead screw 603 through coupling, and the outer wall of lead screw 603 is threadedly connected with moving block 604, the inner wall of moving block 604 is provided with screw groove 605, and the inner wall of moving block 604 is slidably connected with limiting rod 606, the top of moving block 604 is fixedly connected with support rod 607, and one end of support rod 607 is fixedly connected with ejection plate 608;Heat dissipation assembly 7 includes sliding groove 701, and the inner wall of sliding groove 701 is fixedly connected with fixed bearing 702, the inner wall of fixed bearing 702 is provided with threaded rod 703, and the outer wall of threaded rod 703 is threadedly connected with moving frame 704, the outer wall of moving frame 704 is detachably connected with heat conduction plate 705, and the outer wall of heat conduction plate 705 is fixedly connected with heat dissipation fin 706, the inner wall of support frame 2 is detachably connected with air cooler 707.

[0026] Through the above technical scheme, the up-and-down movement of the ejection plate 608 can be realized by the operation of the speed reducer 602, when the heavy mold forming needs stripping, the ejection plate 608 can be well ejected from the forming cavity 8 of the lower mold 5 by moving up, the stripping efficiency is improved, and the difficulty of manual operation is reduced;By rotating the threaded rod 703, the moving frame 704 can drive the heat conduction plate 705 to move and fit the outer wall of the upper mold 10 and the lower mold 5, so that the heat of the upper mold 10 and the lower mold 5 is transferred to the heat conduction plate 705, the heat is transferred from the heat conduction plate 705 to the heat dissipation fin 706 to expand the heat dissipation area, and the heat dissipation speed is accelerated by the operation of the two air coolers 707, blowing cold air to the heat dissipation fin 706, effectively reducing the temperature of the mold, shortening the cooling time of the mold, and improving the production efficiency.

[0027] Specifically, the inner wall of the lower mold 5 is provided with a forming cavity 8, the top of the top plate 3 is provided with a hydraulic cylinder 9, and one end of the hydraulic cylinder 9 is provided with an upper mold 10.

[0028] Through the above technical scheme, the lower mold 5 can be moved down by the operation of the hydraulic cylinder 9 to cooperate with the lower mold 5;One side of the support frame 2 is provided with a controller;The mounting bracket 601 is fixed in the installation box 4;Two sliding grooves 701 are formed in the inner wall of the top plate 3.

[0029] Specifically, the speed reducer 602 and the moving block 604 constitute a moving structure through the lead screw 603, and one end of the lead screw 603 is threadedly connected through the screw groove 605.

[0030] Through the technical scheme, the threads in the threaded groove 605 on the moving block 604 match the threads on the screw rod 603, one end of the screw rod 603 is provided with a bearing, and the screw rod 603 rotates more stably in the bearing; the moving block 604 is provided with a circular groove, the limiting rod 606 is fixed on the mounting frame 601, and the limiting rod 606 limits the movement of the moving block 604 when the screw rod 603 rotates, so that the moving block 604 moves more stably on the limiting rod 606.

[0031] Specifically, one end of the supporting rod 607 extends into the lower mold 5 through the mounting box 4 and the workbench 1 and is connected with the ejection plate 608.

[0032] Through the technical scheme, when the supporting rod 607 moves, the supporting rod 607 can well drive the ejection plate 608 to move.

[0033] Specifically, the top plate 3 is connected with the threaded rod 703 through the fixed bearing 702, and one end of the threaded rod 703 is screwed into the fixed bearing 702 through the moving frame 704.

[0034] Through the technical scheme, when the threaded rod 703 rotates, the threaded rod 703 rotates more stably in the fixed bearing 702, the moving frame 704 is provided with a screw groove, the threads in the screw groove match the threads on the threaded rod 703, and one end of the threaded rod 703 is provided with a handle.

[0035] Specifically, the shape and size of the inner wall of the sliding groove 701 match the shape and size of the outer wall of the moving frame 704, and the inner wall of the sliding groove 701 is attached to the outer wall of the moving frame 704.

[0036] Through the technical scheme, the connection effect between the sliding groove 701 and the moving frame 704 is strengthened, and the moving frame 704 moves more stably in the sliding groove 701 when the moving frame 704 moves.

[0037] Specifically, the number of the air coolers 707 is two, and the two air coolers 707 are symmetrically arranged with the vertical line of the workbench 1 as the axis of symmetry.

[0038] Through the technical scheme, the two air coolers 707 are arranged to work at the same time to blow cold air, which accelerates the cooling speed of the upper mold 10 and the lower mold 5 and improves the cooling efficiency.

[0039] In use, first for the device is connected to the external power supply, the external power supply for the device power supply, need to combine the mold, through the hydraulic cylinder 9 work, make the upper die 10 down with the lower die 5 mold; When the upper die 10 and the lower die 5 need to be cooled, by rotating the left threaded rod 703 with the handle, the moving frame 704 moves, the moving frame 704 drives the heat plate 705 to move, the heat plate 705 drives the heat dissipation fin 706 to move, the heat plate 705 moves, the outer wall of the heat plate 705 is attached to the outer wall of the upper die 10 and the lower die 5, by rotating the right threaded rod 703 with the handle, the right heat plate 705 moves and attaches to the outer wall of the upper die 10 and the lower die 5, the heat of the upper die 10 and the lower die 5 is transferred to the heat plate 705, the heat is transferred from the heat plate 705 to the plurality of heat dissipation fins 706, the heat dissipation area is expanded, and the cooling time of the mold is shortened, the production efficiency is improved; When the mold in the forming cavity 8 of the lower die 5 is formed, the mold needs to be demolded, the upper die 10 is moved up by the work of the hydraulic cylinder 9, the moving block 604 is moved by the work of the reduction motor 602 driving the screw rod 603 to rotate, so that the moving block 604 moves more stably on the limiting rod 606, the support rod 607 is moved up by the moving block 604 moving up, the support rod 607 is moved up by the ejection plate 608 moving up, the ejection plate 608 moves up and ejects the mold formed in the forming cavity 8, completes demolding, improves the demolding efficiency, reduces the difficulty of manual operation, which completes all the work, the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0040] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A demolding device for injection molds, comprising a worktable (1), characterized in that: The top of the workbench (1) is fixedly connected with a support frame (2), and the top of the support frame (2) is fixedly connected with a top plate (3); the bottom of the workbench (1) is fixedly connected with a mounting box (4), and the top of the workbench (1) is detachably connected with a lower mold (5); the inner wall of the mounting box (4) is provided with a demolding assembly (6), and the inner wall of the top plate (3) is provided with a heat dissipation assembly (7). The demolding assembly (6) comprises a mounting frame (601), and a reduction motor (602) is installed on the inner wall of the mounting frame (601); the output shaft of the reduction motor (602) is fixedly connected with a lead screw (603) through a shaft coupling; the outer wall of the lead screw (603) is threadedly connected with a moving block (604); the inner wall of the moving block (604) is provided with a threaded groove (605); the inner wall of the moving block (604) is slidably connected with a limiting rod (606); the top of the moving block (604) is fixedly connected with a supporting rod (607), and one end of the supporting rod (607) is fixedly connected with an ejection plate (608). The heat dissipation assembly (7) comprises a sliding groove (701), and a fixed bearing (702) is fixedly connected to the inner wall of the sliding groove (701); the inner wall of the fixed bearing (702) is provided with a threaded rod (703), and the outer wall of the threaded rod (703) is threadedly connected with a moving frame (704); the outer wall of the moving frame (704) is detachably connected with a heat-conducting plate (705), and the outer wall of the heat-conducting plate (705) is fixedly connected with a heat dissipation fin (706); the inner wall of the support frame (2) is detachably connected with a cold air blower (707).

2. The demolding device for injection molds according to claim 1, characterized in that: The inner wall of the lower mold (5) is provided with a forming cavity (8), and the top of the top plate (3) is provided with a hydraulic cylinder (9), and one end of the hydraulic cylinder (9) is provided with an upper mold (10).

3. The ejection device for injection mold according to claim 1, wherein: The reduction motor (602) and the moving block (604) constitute a moving structure through the lead screw (603), and one end of the lead screw (603) is threadedly connected through the threaded groove (605).

4. The ejection device for injection mold according to claim 1, wherein: One end of the supporting rod (607) extends into the lower mold (5) through the mounting box (4) and the workbench (1) and is connected with the ejection plate (608).

5. The ejection device for injection mold according to claim 1, wherein: The top plate (3) and the threaded rod (703) constitute a rotating structure through the fixed bearing (702), and one end of the threaded rod (703) is threadedly connected through the moving frame (704) and extends into the fixed bearing (702) to be connected.

6. The ejection device for injection mold according to claim 1, wherein: The inner wall of the sliding groove (701) and the outer wall of the moving frame (704) are matched in shape and size.

7. The ejection device for injection mold according to claim 1, wherein: The number of the cold air blower (707) is two, and the two cold air blowers (707) are symmetrically arranged with the vertical line of the workbench (1) as the axis of symmetry.

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