Mold structure convenient for reverse buckle demolding

Abstract

The utility model relates to the technical field of mold structures, and discloses a mold structure convenient for reverse buckle demolding, which comprises a base, a lower mold body, an upper mold body and a worktable fixedly connected to the top of the base, and further comprises a driving mechanism mounted at the bottom of the inner wall of the base and two upright posts rotationally connected to the bottom of the inner wall of the base, the surface of each stand column is fixedly sleeved with a single-groove belt pulley, the surface of the stand column on one side is fixedly sleeved with a bevel gear, the top of each stand column is fixedly connected with a lead screw, and the surface of each lead screw is sleeved with a lifting sleeve in a threaded mode. According to the utility model, the rectangular plate can be driven to move while the upper die body is opened, so that the rectangular plate can push a formed product so as to assist the blanking of the product, and the problems that the energy consumption is high, the stability of the lower die is easily influenced by the vibration for assisting the blanking of the product when the existing partial die structure is used, and the production efficiency is high are solved. And even the subsequent product forming effect is affected.

Description

Technical Field

[0001] The utility model relates to the technical field of mold structures, in particular to a mold structure that is convenient for inverted demoulding. Background Art

[0002] A mold is a special tool used to manufacture parts or products. By placing materials in the mold cavity and applying a certain amount of pressure and heat, the material undergoes certain physical or chemical changes and eventually obtains the desired shape and size. Due to the different shapes of the products manufactured, some products have an undercut structure, which makes the injection groove in the mold have an undercut structure.

[0003] After searching, it is found that a Chinese patent document discloses an injection mold undercut demoulding structure [Application number: CN202220603651.X]. This injection mold undercut demoulding structure includes an upper mold, a lower mold is arranged at the bottom of the upper mold, injection grooves are provided inside the upper mold and the lower mold, an injection port is provided on the top surface of the upper mold, and an undercut demoulding mechanism is provided at the bottom of the lower mold. The undercut demoulding mechanism includes a fixing box, a groove is provided on the top surface of the fixing box, a vibration motor is installed at the bottom of the inner wall of the groove, and sliding rods are provided on both sides of the inner wall of the groove.

[0004] The mold structure disclosed in the patent facilitates demoulding at the undercut by separating the upper mold and the lower mold at the undercut, and the mold structure facilitates separation of the product from the mold through vibration, thereby improving demoulding efficiency and facilitating workers to remove the product. However, the mold structure uses a motor and a vibration motor in combination, which not only consumes a lot of energy, but also causes the lower mold to shake when the workers use vibration to assist demoulding. If this continues for a long time, the stability of the lower mold during use will be affected, thereby affecting the molding effect of the product. Utility Model Content

[0005] The utility model aims to provide a mold structure which is convenient for inverted demoulding, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a mold structure that is convenient for inverted demoulding, including a base, a lower mold body, an upper mold body and a workbench fixedly connected to the top of the base, and also includes:

[0007] A driving mechanism installed at the bottom of the inner wall of the base and two columns rotatably connected to the bottom of the inner wall of the base, a surface fixed sleeve of the column is provided with a single groove belt pulley, a surface fixed sleeve of one side column is provided with a bevel gear, a screw rod is fixedly connected to the top of the column, a lifting sleeve is provided on the surface threaded sleeve of the screw rod, an extension plate is fixedly connected to the top of the upper mold body, the lifting sleeve is fixedly connected to the extension plate, and a feed port is opened on the top of the upper mold body;

[0008] A groove is provided at the top of the lower mold body, the bottom of the inner wall of the groove is fixedly connected with a fixed block and provided with a slide groove, the inner wall of the slide groove is provided with a rectangular groove, the inner wall of the groove is provided with a clamping groove, an adjustment mechanism is provided inside the lower mold body, the inner wall of the slide groove is slidably connected with a slider, the bottom of the slider is fixedly connected with teeth, and the surface of the slider is fixedly connected with a rectangular plate;

[0009] A forming groove is provided at the bottom of the upper mold body, a transverse plate and a clamping plate are fixedly connected to the bottom of the upper mold body, and a sealing block is fixedly connected to the bottom of the transverse plate.

[0010] Preferably, the number of the screw rods is two, the threads of the two screw rods are opposite to each other and the height of the lifting sleeve is smaller than the height of the screw rods.

[0011] Preferably, the height of the top of the sliding block is flush with the height of the inner wall of the sliding groove, and the length of the sliding block and the sealing block is equal to the length of the inner wall of the sliding groove.

[0012] Preferably, the surface of one side of the transverse plate is flush with one side of the inner wall of the forming groove, and the surface of one side of the clamping plate is flush with the other side of the inner wall of the forming groove.

[0013] Preferably, the driving mechanism includes a motor fixedly connected to the bottom of the inner wall of the base, a rotating shaft fixedly connected to the output shaft of the motor, and a double-groove belt pulley fixedly sleeved on the surface of the rotating shaft, the top of the rotating shaft is rotatably connected to the bottom of the workbench, and the rotating shaft is connected to the surface of the single-groove belt pulley through a belt drive.

[0014] Preferably, the adjustment mechanism includes a long rod that rotates and passes through the lower mold body, a bevel gear plate fixedly connected to one end of the long rod, and an adjustment gear plate fixedly sleeved on the surface of the long rod, the bevel gear plate meshes with the bevel gear, and the adjustment gear plate meshes with the teeth.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] The utility model uses a bevel gear in cooperation with an adjusting mechanism. After the product is formed, the staff starts the driving mechanism and can drive the upper mold body to lift through the cooperation of the lifting sleeve and the screw rod. At this time, the bevel gear drives the bevel gear plate to rotate, so that the adjusting gear plate can rotate and drive the slider to move laterally through the teeth. Accordingly, the rectangular plate can be driven to move while the upper mold body is opened, so that the rectangular plate can push the formed product to assist in the unloading of the product. This solves the problem that some existing mold structures not only consume high energy when in use, but also easily affect the stability of the lower mold through vibration to assist in the unloading of the product, and even affect the molding effect of subsequent products. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of a partial three-dimensional cross-sectional structure of the utility model;

[0020] Figure 4 It is a partial three-dimensional structural schematic diagram of the utility model;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the utility model after partial disassembly;

[0022] Figure 6 It is a schematic diagram of a partial three-dimensional structure of the utility model.

[0023] In the figure: 1. base; 2. workbench; 3. driving mechanism; 31. motor; 32. rotating shaft; 33. double-groove pulley; 4. column; 5. single-groove pulley; 6. screw; 7. bevel gear; 8. lifting sleeve; 9. lower mold body; 10. upper mold body; 11. extension plate; 12. groove; 13. fixing block; 14. slide groove; 15. rectangular groove; 16. clamping groove; 17. adjustment mechanism; 171. long rod; 172. bevel gear plate; 173. adjusting gear plate; 18. slider; 19. teeth; 20. rectangular plate; 21. molding groove; 22. cross plate; 23. sealing block; 24. clamping plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-6As shown, a mold structure that is convenient for inverted demoulding includes a base 1, a lower mold body 9, an upper mold body 10, and a workbench 2 fixedly connected to the top of the base 1. A driving mechanism 3 is installed at the bottom of the inner wall of the base 1 and is rotatably connected to two columns 4. A single-groove belt pulley 5 is fixedly sleeved on the surface of the column 4. A bevel gear 7 is fixedly sleeved on the surface of the column 4 on one side. A screw rod 6 is fixedly connected to the top of the column 4. A lifting sleeve 8 is threadedly sleeved on the surface of the screw rod 6. Extension plates 11 are fixedly connected to both sides of the top of the upper mold body 10. The top of the lifting sleeve 8 is fixedly connected to the bottom of the extension plate 11. There are two screw rods 6, and the threads of the two screw rods 6 are fixedly connected. The grooves are in the same direction, and the height of the lifting sleeve 8 is smaller than the height of the screw rod 6. Therefore, when the screw rod 6 rotates, the lifting sleeve 8 can smoothly drive the extension plate 11 to lift through the extension plate 11. A groove 12 is provided on the top of the lower mold body 9, and a fixed block 13 is fixedly connected to the bottom of the inner wall of the groove 12. A slide groove 14 is provided on the bottom of the inner wall of the groove 12 and on both sides of the fixed block 13. A rectangular groove 15 is provided on one side of the inner wall of the slide groove 14, and a card groove 16 is provided on one side of the inner wall of the groove 12. The card groove 16 is connected to the rectangular groove 15. An adjustment mechanism 17 is provided inside the lower mold body 9, and a slider 18 is slidably connected to the inner wall of the slide groove 14. The slider The bottom of the upper mold body 10 is fixedly connected with teeth 19, the surface of the slider 18 is fixedly connected with a rectangular plate 20, the surface of the rectangular plate 20 is in contact with the inner walls of the rectangular groove 15 and the slide groove 14, the bottom of the upper mold body 10 is provided with a molding groove 21, one side of the bottom of the upper mold body 10 is fixedly connected with a transverse plate 22, both sides of the bottom of the transverse plate 22 are fixedly connected with sealing blocks 23, the other side of the bottom of the upper mold body 10 is fixedly connected with a card plate 24, the surface of the card plate 24 is in contact with the inner wall of the card groove 16, the surface of the transverse plate 22 is in contact with the inner wall of the groove 12, the surface of the sealing block 23 is in contact with the inner wall of the slide groove 14, and the transverse plate 22 and the sealing block 23 are used to form a molding groove 21. The use of the fixing block 13 and the clamping plate 24 can seal the groove 12, one side of the inside of the slide groove 14 and the inside of the clamping plate 24 when the bottom of the upper mold body 10 contacts the top of the lower mold body 9, so that the mold can be used normally. The surface of the fixed block 13 contacts the inner wall of the forming groove 21, the height of the top of the slider 18 is flush with the height of the inner wall of the slide groove 14, the length of the slider 18 and the sealing block 23 is equal to the length of the inner wall of the slide groove 14, and a feed port is provided at the top of the upper mold body 10. The surface of one side of the cross plate 22 is flush with one side of the inner wall of the forming groove 21, and the surface of one side of the clamping plate 24 is flush with the other side of the inner wall of the forming groove 21.

[0026] The driving mechanism 3 includes a motor 31, a rotating shaft 32 and a double-groove belt pulley 33. The motor 31 is fixedly connected to the bottom of the inner wall of the base 1, the bottom of the rotating shaft 32 is fixedly connected to the output shaft of the motor 31, the top of the rotating shaft 32 is rotatably connected to the bottom of the workbench 2, and the double-groove belt pulley 33 is fixedly sleeved on the surface of the rotating shaft 32. The rotating shaft 32 is connected to the surface of the single-groove belt pulley 5 through a belt transmission. Accordingly, when the staff starts the motor 31, the double-groove belt pulley 33 can be driven to rotate by the rotation of the rotating shaft 32. At this time, the belt can drive the single-groove belt pulley 5 to rotate so that the column 4 can rotate accordingly.

[0027] The adjusting mechanism 17 includes a long rod 171, a bevel gear plate 172 and an adjusting gear plate 173. The long rod 171 rotates and passes through the lower mold body 9. The bevel gear plate 172 is fixedly connected to one end of the long rod 171. The bevel gear plate 172 is meshed with the bevel gear 7. There are two adjusting gear plates 173. The two adjusting gear plates 173 are respectively fixedly sleeved on both sides of the surface of the long rod 171. The adjusting gear plates 173 are meshed with the teeth 19. When the column 4 drives the bevel gear 7 to rotate, the bevel gear plate 172 drives the long rod 171 to rotate. Accordingly, the rotation of the adjusting gear plate 173 can cooperate with the teeth 19 to drive the rectangular plate 20 to move laterally so that the formed product can be pushed out.

[0028] Working principle: When using this structure, the staff can inject raw materials into the inside of the forming groove 21 and the slide groove 14 and the surface of the fixed block 13 through the feed port. When the product is formed, the staff starts the motor 31, and the rotating shaft 32 drives the double-groove belt pulley 33 to rotate. At this time, the belt can drive the two columns 4 to rotate in the same direction. At this time, the screw rod 6 rotates and can be used in conjunction with the lifting sleeve 8 to lift the upper mold body 10 upward. At the same time, the bevel gear 7 rotates and is used in conjunction with the bevel gear plate 172 to drive the long rod 171 to rotate, and the adjusting gear plate 173 rotates and is used in conjunction with the teeth 19 to drive the slider 18 to move horizontally. At this time, the rectangular plate 20 moves accordingly to push the formed product so that the staff can smoothly take out the product.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mold structure that facilitates inverted demoulding, comprising a base (1), a lower mold body (9), an upper mold body (10), and a workbench (2) fixedly connected to the top of the base (1), characterized in that: Also includes: A driving mechanism (3) is mounted on the bottom of the inner wall of the base (1) and two columns (4) rotatably connected to the bottom of the inner wall of the base (1); a single-groove belt pulley (5) is fixedly sleeved on the surface of the column (4); a bevel gear (7) is fixedly sleeved on the surface of one side of the column (4); a screw rod (6) is fixedly connected to the top of the column (4); a lifting sleeve (8) is threadedly sleeved on the surface of the screw rod (6); an extension plate (11) is fixedly connected to the top of the upper mold body (10); the lifting sleeve (8) is fixedly connected to the extension plate (11); a feed port is provided on the top of the upper mold body (10); A groove (12) is provided at the top of the lower mold body (9); the bottom of the inner wall of the groove (12) is fixedly connected to a fixed block (13) and is provided with a slide groove (14); the inner wall of the slide groove (14) is provided with a rectangular groove (15); the inner wall of the groove (12) is provided with a clamping groove (16); an adjustment mechanism (17) is provided inside the lower mold body (9); the inner wall of the slide groove (14) is slidably connected to a slider (18); the bottom of the slider (18) is fixedly connected to teeth (19); and the surface of the slider (18) is fixedly connected to a rectangular plate (20); A molding groove (21) is provided at the bottom of the upper mold body (10); a transverse plate (22) and a clamping plate (24) are fixedly connected to the bottom of the upper mold body (10); and a sealing block (23) is fixedly connected to the bottom of the transverse plate (22).

2. A mold structure that facilitates undercut demoulding according to claim 1, characterized in that: The number of the screw rods (6) is two, the threads of the two screw rods (6) are the same, and the height of the lifting sleeve (8) is smaller than the height of the screw rod (6).

3. A mold structure that facilitates undercut demoulding according to claim 1, characterized in that: The height of the top of the sliding block (18) is flush with the height of the inner wall of the sliding groove (14), and the length of the sliding block (18) and the sealing block (23) is equal to the length of the inner wall of the sliding groove (14).

4. The mold structure for facilitating undercut demoulding according to claim 1, characterized in that: The surface of one side of the transverse plate (22) is flush with one side of the inner wall of the forming groove (21), and the surface of one side of the clamping plate (24) is flush with the other side of the inner wall of the forming groove (21).

5. The mold structure for facilitating undercut demoulding according to claim 1, characterized in that: The driving mechanism (3) comprises a motor (31) fixedly connected to the bottom of the inner wall of the base (1), a rotating shaft (32) fixedly connected to the output shaft of the motor (31), and a double-groove belt pulley (33) fixedly sleeved on the surface of the rotating shaft (32); the top of the rotating shaft (32) is rotatably connected to the bottom of the workbench (2), and the rotating shaft (32) is connected to the surface of the single-groove belt pulley (5) via a belt drive.

6. The mold structure for facilitating undercut demoulding according to claim 1, characterized in that: The adjusting mechanism (17) comprises a long rod (171) rotatably passing through the lower mold body (9), a bevel gear plate (172) fixedly connected to one end of the long rod (171), and an adjusting gear plate (173) fixedly sleeved on the surface of the long rod (171), the bevel gear plate (172) meshing with the bevel gear (7), and the adjusting gear plate (173) meshing with the teeth (19).

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