CN217916572U

CN217916572U - Mould convenient to loose core

Info

Publication number: CN217916572U
Application number: CN202221878568.XU
Authority: CN
Inventors: 汪有志
Original assignee: Dongguan Zhihong Plastic Moulding Co ltd
Current assignee: Dongguan Zhihong Plastic Moulding Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-29
Anticipated expiration: 2032-07-20

Abstract

The application relates to the technical field of mould structure, specifically discloses a mould convenient to loose core, and its technical scheme main points are: including fixed die plate and movable mould board, the movable mould board is provided with the subassembly of loosing core that is arranged in taking the mold insert out from the product, and the subassembly of loosing core is including driving actuating cylinder, connecting piece and supporting seat, and the supporting seat is fixed to be set up in one side of movable mould benevolence and is used for supporting and drives actuating cylinder, drives the fixed upper surface that sets up in the supporting seat of actuating cylinder, and the piston rod that drives actuating cylinder is parallel arrangement with the mold insert, and the connecting piece sets up and is used for connecting the piston rod that drives actuating cylinder and the tip that the mold insert is close to driving actuating cylinder between driving actuating cylinder and mold insert. This application has and is convenient for take out the mold insert from the product to improve production efficiency's effect.

Description

Mould convenient to loose core

Technical Field

The application relates to the technical field of mold structures, in particular to a mold convenient for core pulling.

Background

The mold is an important tool for molding a special-shaped product, and is usually installed on an injection molding device for injection molding of the product, while the structure of the special-shaped product is often unconventional, so that inserts are needed to form a cavity of the special-shaped product during the molding process.

In the related art, when some elongated products with holes are manufactured, inserts connected to two ends of a cavity are usually placed in the cavity, after the injection molding of the product is completed, the inserts penetrate through two ends of the product, and then a worker manually takes out the inserts from the product, so that the elongated products with holes are manufactured.

In view of the above-mentioned related technologies, the inventor believes that the insert needs to be manually taken out of the product after the product injection molding is completed, which is inconvenient to operate and results in low production efficiency.

SUMMERY OF THE UTILITY MODEL

In order to facilitate taking out the mold insert from the product, so that the production efficiency is improved, the application provides the mold convenient for core pulling.

The application provides a pair of mould convenient to loose core adopts following technical scheme:

the utility model provides a mould convenient to loose core, includes fixed die plate and movable mould board, a face of fixed die plate is provided with fixed die benevolence, fixed die shaping groove has been seted up on the surface of fixed die benevolence, the movable mould core orientation the movable mould shaping groove has been seted up on the surface of fixed die benevolence, movable mould shaping groove has placed the mold insert of connecting shaping die cavity both ends along its length direction, works as the fixed die plate with during the movable mould board compound die, fixed die shaping groove with movable mould shaping groove surrounds and forms the shaping die cavity, the movable mould board be provided with be used for with the subassembly of loosing core that the mold insert was taken out from the product, the subassembly of loosing core is including driving actuating cylinder, connecting piece and supporting seat, the supporting seat fix set up in one side of movable mould benevolence is used for supporting drive actuating cylinder, drive actuating cylinder fixed set up in the upper surface of supporting seat, drive actuating cylinder's piston rod with the mold insert is parallel arrangement, the connecting piece set up in drive actuating cylinder with be used for connecting between the piston rod of drive actuating cylinder and the mold insert is close to the tip of drive actuating cylinder.

By adopting the technical scheme, when the fixed die plate and the movable die plate are matched, the fixed die forming groove formed in the fixed die core and the movable die forming groove formed in the movable die core are encircled to form a forming die cavity, the driving cylinder is in a stretching state, so that the insert is positioned in the forming die cavity and placed along the length direction of the forming die cavity, the molten product raw material is formed and solidified in the forming die cavity, and at the moment, the insert penetrates through the product along the length direction of the product; after the product shaping solidification was accomplished, fixed die plate and fixed die plate divide the mould, the product stops in the movable mould shaping groove, the piston rod that drives actuating cylinder this moment contracts, the piston rod that drives actuating cylinder passes through the connecting piece and drives the mold insert and take out from the product, thereby the operation that the mold insert was taken out from the product of being convenient for, the staff only need with the product follow movable mould shaping groove take out can, then the piston rod that drives actuating cylinder is tensile, the piston rod that drives actuating cylinder passes through the connecting piece and pushes the mold insert again in the movable mould shaping groove, repeat above-mentioned operation, thereby can improve production efficiency.

Preferably, the connecting piece includes the connecting block, the connecting block slide connect in the upper surface of supporting seat, the connecting block orientation drive the lateral wall of actuating cylinder and seted up T type groove, T type groove intercommunication the upper and lower surface of connecting block, the fixed cover of tip that drives actuating cylinder piston rod is equipped with the spliced pole, the spliced pole is located T type inslot, just two terminal surfaces of spliced pole all with the cell wall butt in T type groove.

Through adopting above-mentioned technical scheme, the spliced pole is located T type inslot, and the terminal surface of spliced pole all with the cell wall butt in T type groove for the spliced pole is spacing at T type inslot, and the fixed cover of spliced pole is established at the tip of driving actuating cylinder piston rod, thereby realize being connected of driving motor and connecting block, make driving motor can drive the connecting block and slide along the length direction of driving actuating cylinder piston rod.

Preferably, the fixed surface of supporting seat is provided with and is used for carrying out spacing locating part to the sliding direction of connecting block, the locating part includes two stoppers, two the stopper is located separately the both sides of connecting block sliding direction.

Through adopting above-mentioned technical scheme, two stopper branch locate the both sides of connecting block glide direction and play limiting displacement to the glide direction of connecting block.

Preferably, the connecting block orientation two lateral walls of stopper are all fixed and are provided with the lug, two the stopper is followed its length direction and is corresponded and seted up the confession the recess that the lug slided.

Through adopting above-mentioned technical scheme, being provided with of lug and recess does benefit to the condition that prevents the connecting block and drop and takes place to stability when improving the connecting block and sliding.

Preferably, the connecting block is provided with a fixing block for connecting the insert towards the side wall of the insert, and the end part of the insert towards the fixing block is fixedly arranged on the fixing block in a penetrating manner.

Through adopting above-mentioned technical scheme, the mold insert passes through fixed block and connecting block fixed connection, and when the piston rod that drives actuating cylinder was tensile, the piston rod that drives actuating cylinder passes through connecting block and fixed block and pushes away the mold insert in the movable mould shaping groove, and after the product was accomplished in the shaping die cavity, the piston rod that drives actuating cylinder contracted, and the piston rod that drives actuating cylinder pulls out the mold insert from the product through connecting block and fixed block, realizes the operation of loosing core of product.

Preferably, the dovetail groove has been seted up to the lateral wall of movable mould benevolence, the dovetail is located the movable mould becomes the die slot with between the fixed block, movable mould benevolence inlays and is equipped with the dovetail block, the dovetail block with the cooperation of dovetail joint, the mold insert activity is worn to locate the dovetail block.

Through adopting above-mentioned technical scheme, forked tail piece and dovetail joint on the length direction of mold insert, when driving actuating cylinder and passing through connecting block and fixed block and take out the mold insert from the product, the mold insert is walked from the forked tail piece, and the forked tail piece can push away the impurity of adhesion on the mold insert towards the lateral wall of movable mould shaping groove to be favorable to keeping the roughness of mold insert outer wall, and then be favorable to improving the quality of product.

Preferably, the upper surface of the connecting block is fixedly provided with a cover plate, and the cover plate is positioned above the connecting column.

Through adopting above-mentioned technical scheme, the apron is spacing to the spliced pole, is favorable to preventing that the spliced pole from droing in the T type groove.

Preferably, the supporting seat is used for supporting the surface fixing of driving the actuating cylinder is provided with a locating piece, drive actuating cylinder and correspondingly seted up with the constant head tank of locating piece grafting.

Through adopting above-mentioned technical scheme, the locating piece is pegged graft with the constant head tank, realizes driving the location when actuating cylinder installation, and the staff of being convenient for will drive the operation that actuating cylinder fixed on the supporting seat simultaneously.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving cylinder and the connecting piece are arranged, the connecting piece connects the driving cylinder and the insert, and after a product is formed in a forming cavity, a piston rod of the driving cylinder contracts and drives the insert to be drawn out of the product through the connecting piece; after the staff takes out the product from the movable mould shaping groove, the piston rod of driving actuating cylinder is tensile, and the piston rod of driving actuating cylinder passes through the connecting piece and pushes the mold insert again in the movable mould shaping groove, and this setting is convenient for take out the mold insert from the product to improve the production efficiency of product.

2. Through seting up T type groove at the connecting block, the spliced pole is established at the fixed cover of tip that drives actuating cylinder piston rod simultaneously, and the spliced pole is spacing at T type inslot, realizes driving being connected of actuating cylinder and connecting block to the feasible actuating cylinder that drives can drive the connecting block and remove.

3. Through the dovetail block and the dovetail groove that set up the joint on the length direction of mold insert, the dovetail block is worn to locate in the mold insert activity simultaneously, and when the mold insert was taken out from the product, the dovetail block can be with the impurity of mold insert outer wall pushing off to be favorable to keeping the roughness of mold insert outer wall, and then be favorable to improving the quality of product.

Drawings

Fig. 1 is a schematic view of the overall structure of a mold according to an embodiment of the present application.

Fig. 2 is an exploded view of a mold according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a fixed mold plate and a fixed mold core according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of the movable platen, the movable core insert and the core pulling assembly according to the embodiment of the present application.

Fig. 5 is an enlarged view of a portion a in fig. 4.

Fig. 6 is a schematic structural view of another view angle of the movable platen, the movable core insert and the core pulling assembly according to the embodiment of the present application.

Fig. 7 is an enlarged view of a portion B in fig. 6.

Description of reference numerals:

1. fixing a template; 2. moving the template; 3. fixing the mold core; 4. fixing a mold forming groove; 5. a movable mould core; 6. a movable mold forming groove; 7. an insert; 8. a core pulling assembly; 81. a driving cylinder; 82. a connecting member; 821. connecting blocks; 83. a supporting base; 9. a T-shaped groove; 10. connecting columns; 11. a limiting block; 12. a bump; 13. a groove; 14. a fixed block; 15. a dovetail groove; 16. a dovetail block; 17. a cover plate; 18. positioning blocks; 19. positioning a groove; 20. a connecting plate; 21. mounting a plate; 22. injection molding a port; 23. injection molding a tube; 24. an avoiding groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

In the production and manufacturing of plastic products, injection molding equipment is generally required, and a special molding die is generally required for matching, when some strip-shaped plastic products with through holes are produced, inserts connected with two ends of a cavity are generally placed in the cavity, after the plastic products are subjected to injection molding, the inserts penetrate through two ends of the plastic products, and then workers take the inserts out of the plastic products, so that the plastic products can be provided with the through holes. However, the operation of taking out the insert after the injection molding of the product is completed is troublesome, and the operation of taking and placing the insert is required to be performed every time a worker produces a product, so that the production efficiency is low.

In view of the above problem, the embodiment of the application discloses a mould convenient to loose core, refer to fig. 1, including fixed die plate 1 and movable die plate 2, in this embodiment, fixed die plate 1 and movable die plate 2 all are rectangular plate-shaped setting, and a face of fixed die plate 1 and a face of movable die plate 2 are parallel relative setting, and fixed die plate 1 is fixed on injection moulding equipment (not shown in the figure), and injection moulding equipment can drive movable die plate 2 towards the direction reciprocating motion that is close to or keeps away from fixed die plate 1.

Referring to fig. 2 and 3, a fixed mold core 3 is arranged on the surface of the fixed mold plate 1 facing the movable mold plate 2, a first accommodating groove for fixedly embedding the fixed mold core 3 is formed in the surface of the fixed mold plate 1 facing the movable mold plate 2, a fixed mold forming groove 4 is formed in the surface of the fixed mold core 3 facing the movable mold plate 2, and the fixed mold forming groove 4 is arranged in a long strip shape; correspondingly, movable mould benevolence 5 is provided with towards the face of fixed die plate 1 to movable mould board 2, and simultaneously, a second storage tank that is used for fixed embedding movable mould benevolence 5 is seted up towards the face of fixed die plate 1 to movable mould board 2, and movable mould benevolence 5 has seted up movable mould shaping groove 6 towards the surface of fixed die core 3, and movable mould shaping groove 6 is rectangular shape setting equally. In this embodiment, in order to improve the production efficiency, the fixed mold forming grooves 4 and the movable mold forming grooves 6 are provided in two sets, when the injection molding device drives the movable mold plate 2 to approach the fixed mold plate 1, the fixed mold plate 1 and the movable mold plate 2 are closed, and at this time, the two sets of fixed mold forming grooves 4 and the movable mold forming grooves 6 surround to form two elongated molding cavities. Besides, each movable mold forming groove 6 is provided with an insert 7 connected with two ends of the forming cavity along the length direction, and in the embodiment, the insert 7 is arranged in a long strip shape.

With continued reference to fig. 2 and 3, the mold further includes a connecting plate 20 and a mounting plate 21, and the connecting plate 20 and the mounting plate 21 are sequentially and fixedly disposed on a side of the fixed mold plate 1 away from the movable mold plate 2. The connecting plate 20 and the mounting plate 21 are also arranged in a rectangular plate shape, the surfaces of the connecting plate 20 and the mounting plate 21 are provided with injection molding openings 22 for injecting molten injection molding raw materials into a molding cavity, meanwhile, the fixed die plate 1 is fixedly provided with injection molding pipes 23, the injection molding pipes 23 penetrate through the fixed die core 3, one ends of the injection molding pipes 23 are communicated with the injection molding openings 22, and the other ends of the injection molding pipes 23 are communicated with the fixed die molding grooves 4. The fixed mold plate 1 is fixed on the injection molding equipment through a connecting plate 20 and a mounting plate 21, and the injection molding equipment injects molten injection molding raw materials into a molding cavity formed when the fixed mold plate 1 and the movable mold plate 2 are closed through an injection port 22 and an injection pipe 23.

Referring to fig. 2, the movable die plate 2 is provided with the subassembly 8 of loosing core that is used for taking out insert 7 from the product, specifically, the subassembly 8 of loosing core is including driving actuating cylinder 81, connecting piece 82 and supporting seat 83, supporting seat 83 is fixed to be set up in one side of movable mould benevolence 5 and is used for supporting and drive actuating cylinder 81, in this embodiment, supporting seat 83 inlays the lateral wall of locating movable die plate 2, and supporting seat 83 is towards the lateral wall butt of movable mould benevolence 5 with the lateral wall of movable mould benevolence 5, it sets up in the upper surface of supporting seat 83 through the bolt fastening to drive actuating cylinder 81, and the piston rod that drives actuating cylinder 81 is parallel arrangement with insert 7. Referring to fig. 4, a positioning block 18 is integrally formed on the surface of the supporting seat 83 for supporting the driving cylinder 81, and the driving cylinder 81 is correspondingly provided with a positioning slot 19 inserted into the positioning block 18 to realize initial positioning when the driving cylinder 81 is installed. The connecting member 82 is disposed between the driving cylinder 81 and the insert 7 for connecting a piston rod of the driving cylinder 81 and an end of the insert 7 close to the driving cylinder 81, so that the driving cylinder 81 can drive the insert 7 to reciprocate along a length direction of the insert 7.

Referring to fig. 4 and 5, the connecting member 82 includes a connecting block 821, the connecting block 821 is slidably connected to the upper surface of the supporting seat 83, a T-shaped groove 9 is formed in a side wall of the connecting block 821 facing the driving cylinder 81, and the T-shaped groove 9 communicates with the upper surface and the lower surface of the connecting block 821. Meanwhile, the end part of the piston rod of the driving cylinder 81 is fixedly sleeved with a connecting column 10, the connecting column 10 is in a cylindrical shape, the connecting column 10 is located in the T-shaped groove 9, and two end faces of the connecting column 10 are abutted to the groove wall of the T-shaped groove 9. In addition, the upper surface of the connecting block 821 is fixedly provided with a cover plate 17 through a bolt, and the cover plate 17 is positioned above the connecting column 10 to prevent the connecting column 10 from falling off from the T-shaped groove 9. When the piston rod of the driving cylinder 81 is stretched, the piston rod of the driving cylinder 81 pushes the connecting block 821 to slide towards the direction close to the movable die core 5 through the connecting column 10; when the piston rod of the driving cylinder 81 contracts, the piston rod of the driving cylinder 81 pulls the connecting block 821 to slide towards the direction far away from the movable die core 5 through the connecting column 10.

Continuing to refer to fig. 4 and 5, the fixed surface of supporting seat 83 is provided with and is used for carrying out spacing locating part to the glide direction of connecting block 821, and is concrete, and the locating part includes two locating blocks 11 that are the massive setting of rectangular shape, and two locating blocks 11 divide through the bolt fastening and locate the both sides of connecting block 821 glide direction, and two locating blocks 11 all with the lateral wall butt of connecting block 821 towards the lateral wall of connecting block 821. Simultaneously, connecting block 821 has lug 12 towards two lateral wall homogeneous body shaping of stopper 11, and two lugs 12 are the symmetry setting for spliced pole 10, and two stopper 11 all correspond along its length direction towards the lateral wall of connecting block 821 and offer the recess 13 that supplies lug 12 to slide, when connecting block 821 slides between two stopper 11, are favorable to improving the stability when connecting block 821 slides.

Referring to fig. 6 and 7, a fixing block 14 for connecting two inserts 7 is fixedly disposed on a side wall of the connecting block 821 facing the inserts 7, and ends of the two inserts 7 facing the fixing block 14 are fixedly disposed through the fixing block 14. When a piston rod of the driving cylinder 81 pushes the connecting block 821 to slide towards the direction close to the moving die core 5 through the connecting column 10, the connecting block 821 pushes the insert 7 into the moving die forming groove 6 through the fixing block 14; when a piston rod of the driving cylinder 81 pulls the connecting block 821 to slide towards a direction far away from the moving die core 5 through the connecting column 10, the connecting block 821 pulls the insert 7 out of the moving die forming groove 6 through the fixing block 14.

With reference to fig. 6 and 7, the side wall of the movable mold core 5 is provided with two dovetail grooves 15, the two dovetail grooves 15 are located between the movable mold forming groove 6 and the fixed block 14, meanwhile, the movable mold core 5 is embedded with two dovetail blocks 16, the two dovetail blocks 16 are respectively in clamping fit with the two dovetail grooves 15, the two inserts 7 are respectively and movably arranged in the two dovetail blocks 16 in a penetrating manner, after the product injection molding is completed, the driving cylinder 81 extracts the inserts 7 from the product through the connecting block 821 and the fixed block 14, the inserts 7 penetrate through the dovetail blocks 16 when being extracted, and the dovetail blocks 16 push impurities adhered to the inserts 7 down to keep the flatness of the outer wall of the inserts 7.

Referring to fig. 6, a position-avoiding groove 24 is formed in one end of each movable mold molding groove 6, which is far away from the dovetail block 16, and the position-avoiding groove 24 is communicated with the movable mold molding groove 6, so that when the insert 7 is drawn out of a product, a worker can take out the product from the movable mold molding groove 6 conveniently.

The implementation principle of the mold convenient for core pulling in the embodiment of the application is as follows: after the product is injected in a molding cavity formed by surrounding the fixed mold molding groove 4 and the movable mold molding groove 6, the fixed mold plate 1 and the movable mold plate 2 are separated, the product stays in the movable mold molding groove 6, at the moment, the piston rod of the driving cylinder 81 contracts, the piston rod of the driving cylinder 81 drives the connecting block 821 to move in the direction far away from the movable mold molding groove 6 through the connecting column 10, and the connecting block 821 drives the insert 7 to be drawn out of the product through the fixing block 14, so that a strip-shaped product with a through hole is prepared; after the staff takes out the product from the driven mold shaping groove 6, the piston rod of driving actuating cylinder 81 is tensile, and the piston rod of driving actuating cylinder 81 passes through spliced pole 10 and drives connecting block 821 and remove towards the direction that is close to movable mold shaping groove 6, and connecting block 821 pushes mold insert 7 into movable mold shaping groove 6 again through fixed block 14, and convenient operation need not the staff and takes out mold insert 7 from the product manually to improve the production efficiency of product.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a mould convenient to loose core, includes fixed die plate (1) and movable mould board (2), a face of fixed die plate (1) is provided with fixed mould benevolence (3), cover half shaping groove (4) have been seted up on the surface of fixed mould benevolence (3), movable mould board (2) orientation the face of fixed die plate (1) is provided with movable mould benevolence (5), movable mould benevolence (5) orientation movable mould shaping groove (6) have been seted up on the surface of fixed mould benevolence (3), movable mould shaping groove (6) are followed its length direction and have been placed mold insert (7) of connecting shaping die cavity both ends, work as fixed die plate (1) with during movable mould board (2) compound die, cover half shaping groove (4) with movable mould shaping groove (6) surround and form shaping die cavity, its characterized in that: moving die plate (2) be provided with be used for with subassembly (8) of loosing core that mold insert (7) were taken out from the product, subassembly (8) of loosing core is including driving actuating cylinder (81), connecting piece (82) and supporting seat (83), supporting seat (83) fixed set up in one side of moving die benevolence (5) is used for supporting drive actuating cylinder (81), drive actuating cylinder (81) fixed set up in the upper surface of supporting seat (83), the piston rod that drives actuating cylinder (81) with mold insert (7) are parallel arrangement, connecting piece (82) set up in drive actuating cylinder (81) with be used for connecting between mold insert (7) the piston rod that drives actuating cylinder (81) and mold insert (7) are close to the tip that drives actuating cylinder (81).

2. The mold for facilitating core pulling according to claim 1, wherein: connecting piece (82) include connecting block (821), connecting block (821) slide connect in the upper surface of supporting seat (83), connecting block (821) orientation T type groove (9) have been seted up to the lateral wall that drives actuating cylinder (81), T type groove (9) intercommunication the upper and lower surface of connecting block (821), the end fixing cover that drives actuating cylinder (81) piston rod is equipped with spliced pole (10), spliced pole (10) are located in T type groove (9), just two terminal surfaces of spliced pole (10) all with the cell wall butt in T type groove (9).

3. The mold facilitating core pulling according to claim 2, wherein: the upper surface of supporting seat (83) is fixed and is provided with and is used for carrying out spacing locating part to the sliding direction of connecting block (821), the locating part includes two stopper (11), two stopper (11) branch are located the both sides of connecting block (821) sliding direction.

4. The mold facilitating core pulling according to claim 3, wherein: connecting block (821) orientation two lateral walls of stopper (11) all are fixed and are provided with lug (12), two stopper (11) correspond along its length direction and offer confession recess (13) that lug (12) slided.

5. The mold for facilitating core pulling according to claim 2, wherein: the connecting block (821) faces to the side wall of the insert (7) and is fixedly provided with a fixing block (14) used for connecting the insert (7), and the end part of the insert (7) facing to the fixing block (14) is fixedly arranged on the fixing block (14) in a penetrating mode.

6. The mold facilitating core pulling according to claim 5, wherein: dovetail (15) have been seted up to the lateral wall of movable mould benevolence (5), dovetail (15) are located movable mould one-tenth die cavity (6) with between fixed block (14), movable mould benevolence (5) are inlayed and are equipped with dovetail block (16), dovetail block (16) with dovetail (15) joint cooperation, mold insert (7) activity is worn to locate dovetail block (16).

7. The mold facilitating core pulling according to claim 2, wherein: the upper surface of connecting block (821) is fixed and is provided with apron (17), apron (17) are located the top of spliced pole (10).

8. The mold facilitating core pulling according to claim 1, wherein: the supporting seat (83) is used for supporting the surface fixing of the driving cylinder (81) is provided with a positioning block (18), and the driving cylinder (81) is correspondingly provided with a positioning groove (19) which is connected with the positioning block (18) in an inserted mode.