CN220499861U

CN220499861U - Demoulding structure for injection molding

Info

Publication number: CN220499861U
Application number: CN202321294412.1U
Authority: CN
Inventors: 张丕政; 湛琼; 肖小乐
Original assignee: Changsha Xingde Plastic Products Co ltd
Current assignee: Changsha Xingde Plastic Products Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2024-02-20
Anticipated expiration: 2033-05-25

Abstract

The utility model relates to the technical field of injection mold systems and discloses a demolding structure for injection molding, which comprises a fixed base, a limiting component and a demolding component, wherein a supporting plate is fixedly arranged at the top of the fixed base, a clamping structure capable of being clamped is arranged between the fixed base and the supporting plate, the limiting component comprises an air cylinder, the top of the supporting plate is fixedly provided with the air cylinder, the demolding component comprises an electric push rod, the top of the fixed base is fixedly provided with the electric push rod, the limiting component further comprises a telescopic rod, the bottom of the supporting plate is fixedly provided with the telescopic rod, the output end of the air cylinder is fixedly connected with one end of the telescopic rod, the top of the fixed base is fixedly provided with a second mold box, and the top of the second mold box is provided with a first mold box.

Description

Demoulding structure for injection molding

Technical Field

The utility model belongs to the technical field of injection mold systems, and particularly relates to a demolding structure for injection molding.

Background

The utility model with the publication number of CN214562585U discloses an anti-deformation demoulding structure for injection molding, which comprises a base and a mould cavity, wherein a mould body is arranged above the base, first driving air cylinders are arranged on the left side and the right side of the inside of the mould body, a first telescopic rod is connected to the upper side of the first driving air cylinders, a lifting top plate is connected to the upper side of the first telescopic rod, a water flow channel is arranged on the outer side of the lifting top plate, the mould cavity is arranged outside the water flow channel, a water injection hole is formed in the upper side of the water flow channel, a water outlet is formed in the front end of the mould cavity, second telescopic rods are connected to the left side and the right side of the mould cavity, and the position, away from the vertical center line of the mould cavity, of the second telescopic rods is connected with a second driving air cylinder. This demoulding structure for injection molding that prevents deformation is provided with the water injection hole and can pours into cold water into the running water passageway to through the flow of cold water in the running water passageway, can cool down to the mould intracavity portion, and then can make the finished product of moulding plastics and the separation of mould intracavity wall.

However, the above patent also has the following problems: the fixed effect of device is relatively poor, in the drawing of patterns in-process, can lead to moulding plastics finished product and mould inner wall scratch, cause the finished product to damage, there is the limitation in the device use, in the device drawing of patterns in-process, carry out the separation of temperature and chamber wall to the finished product of moulding plastics through injecting into cold water, partial water droplet can adhere and the mould inside the finished product surface appearance bubble of moulding plastics when leading to moulding plastics next time, influence the production quality of device, use cold water cooling always, cold water demand is great, cause the wasting of resources, if carry out cyclic utilization to cold water, can lead to follow-up finished product surface adhesion impurity of moulding plastics, influence the quality of moulding plastics.

The present utility model has been made in view of this.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

the utility model provides a demoulding structure for injection molding, includes unable adjustment base, spacing subassembly and drawing of patterns subassembly, unable adjustment base's top fixed mounting has the backup pad, but is provided with joint structure of joint between unable adjustment base and the backup pad, but spacing subassembly includes the cylinder, and the top fixed mounting of backup pad has the cylinder, and drawing of patterns subassembly includes electric putter, and unable adjustment base's top fixed mounting has electric putter.

As a preferred embodiment of the utility model, the limiting assembly further comprises a telescopic rod, the bottom of the supporting plate is fixedly provided with the telescopic rod, the output end of the air cylinder is fixedly connected with one end of the telescopic rod, the top of the fixed base is fixedly provided with a second mold box, the top of the second mold box is provided with a first mold box, and the other end of the telescopic rod is fixedly connected with the top of the first mold box.

As a preferred implementation mode of the utility model, the limiting assembly further comprises a limiting ring plate, the limiting ring plate is arranged in the second die box, the bottom of the limiting ring plate is fixedly connected with the top of the fixed base, a group of strip-shaped groove holes are formed in the inner walls of the two sides of the supporting plate, limiting sliding rails are fixedly arranged in the strip-shaped groove holes, sliding blocks are slidably arranged in the limiting sliding rails, connecting plates are fixedly arranged on the outer walls of one side of the sliding blocks, the number of the connecting plates is two, and the outer walls of one side of the two groups of the connecting plates are respectively fixedly connected with the outer walls of the two sides of the first die box.

As a preferred implementation mode of the utility model, the demolding assembly further comprises reset spring rods, the top of the fixing base is fixedly provided with the reset spring rods, the number of the reset spring rods is four, the electric push rods are arranged among the four groups of reset spring rods, one end of each electric push rod is fixedly provided with a lower mold plate, one end of each reset spring rod is fixedly connected with the bottom of each lower mold plate, and the outer wall of each lower mold plate can be clung to the inner wall of the limiting ring plate.

As a preferred embodiment of the utility model, the demolding assembly further comprises a bellows, the top of the fixing base is fixedly provided with the bellows, the outer wall of one side of the bellows is provided with a hole, the fan is rotatably arranged in the hole, the outer wall of the other side of the bellows is provided with a group of holes, the air conveying pipe is fixedly arranged in the hole, one end of the air conveying pipe extends to the inside of the limiting ring plate, the inner wall of one side of the limiting ring plate is provided with the hole, the air conveying port is fixedly arranged in the hole, and one end of the air conveying pipe is fixedly arranged in the air conveying port.

As a preferred embodiment of the utility model, the clamping structure comprises a first clamping plate, a groove hole is formed in the top of the first mold box, the first clamping plate is fixedly installed in the groove hole, a second clamping plate is fixedly installed at the top of the second mold box, the second clamping plate can be clamped and installed in the first clamping plate, a third clamping plate is fixedly installed at the bottom of the first mold box, an upper mold plate is fixedly installed at the bottom of the first mold box, and the upper mold plate is located in the third clamping plate.

As a preferred implementation mode of the utility model, the clamping structure further comprises supporting rods, the supporting rods are fixedly arranged at the top of the limiting ring plate, the number of the supporting rods is four, a group of rotating plates are rotatably arranged between every two groups of supporting rods, the two groups of rotating plates are combined, the rotating plates can be clamped and arranged at the top of the lower die plate, the third clamping plate can be clamped and arranged between the second die box and the limiting ring plate, a hole is formed in the bottom of the first die box, an injection molding opening is fixedly arranged in the hole, an injection molding connecting pipe is fixedly arranged at the top of the first die box, the injection molding connecting pipe can be clamped and arranged with an injection molding pipeline, and a supporting bottom plate is fixedly arranged at the bottom of the fixing base.

Compared with the prior art, the utility model has the following beneficial effects:

1. the purpose that carries out spacing and remove to the mould to the device is reached, and the mould of being convenient for separates takes out the finished product of moulding plastics, solves the finished product of moulding plastics and cuts and rubs with the mould inner wall and cause the problem of finished product damage, improves stability and the convenience that the device used.

2. The injection molding device has the advantages that the purpose of demolding an injection molding finished product is achieved, the mode of cooling and cavity wall separation of the injection molding finished product by injecting cold water is replaced, the problem of resource waste generated during device use is solved, the flexibility and stability of device use are improved, the resource waste is reduced, and the device use experience is optimized.

3. The device is clamped and sealed, gaps between the dies are reduced, the sealing effect of the device is improved, the quality of injection molding finished products of the device is improved, the working efficiency of the device is improved, and the use stability of the device is improved.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a front view of the present utility model;

FIG. 2 is a right side perspective view of the present utility model;

FIG. 3 is a side perspective view of the present utility model;

FIG. 4 is a top view of the present utility model;

FIG. 5 is a block diagram of a second mold box of the present utility model;

fig. 6 is a bottom perspective view of the present utility model.

In the figure: 10. a fixed base; 11. a support plate; 12. a cylinder; 13. a telescopic rod; 14. a first mold box; 15. a second mold box; 16. a limiting ring plate; 17. a limit sliding rail; 18. a slide block; 19. a connecting plate; 20. a first clamping plate; 21. a second clamping plate; 22. an electric push rod; 23. a reset spring lever; 24. a lower die plate; 25. a support rod; 26. a rotating plate; 27. a third clamping plate; 28. an upper die plate; 29. an injection molding port; 30. injection molding the connecting pipe; 31. a wind box; 32. a fan; 33. an air delivery pipe; 34. an air delivery port; 35. and a supporting bottom plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

Embodiment one: the utility model provides a drawing of patterns structure for injection molding, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, including unable adjustment base 10, spacing subassembly and drawing of patterns subassembly, unable adjustment base 10's top fixed mounting has backup pad 11, but is provided with joint structure of joint between unable adjustment base 10 and the backup pad 11, and spacing subassembly includes cylinder 12, and backup pad 11's top fixed mounting has cylinder 12, and drawing of patterns subassembly includes electric putter 22, and unable adjustment base 10's top fixed mounting has electric putter 22. The device position is limited and fixed through the limiting component, and the injection molding finished product is subjected to demolding treatment through the demolding component.

The limiting assembly further comprises a telescopic rod 13, the bottom of the supporting plate 11 is fixedly provided with the telescopic rod 13, the output end of the air cylinder 12 is fixedly connected with one end of the telescopic rod 13, the top of the fixed base 10 is fixedly provided with a second mold box 15, the top of the second mold box 15 is provided with a first mold box 14, and the other end of the telescopic rod 13 is fixedly connected with the top of the first mold box 14. The position of the air cylinder 12 is supported by the supporting plate 11, the air cylinder 12 is started, and the telescopic rod 13 is driven to move.

The limiting assembly further comprises a limiting ring plate 16, the limiting ring plate 16 is arranged in the second die box 15, the bottom of the limiting ring plate 16 is fixedly connected with the top of the fixed base 10, a group of strip-shaped groove holes are formed in the inner walls of the two sides of the supporting plate 11, limiting sliding rails 17 are fixedly installed in the strip-shaped groove holes, sliding blocks 18 are slidably installed in the limiting sliding rails 17, connecting plates 19 are fixedly installed on the outer walls of one sides of the sliding blocks 18, the number of the connecting plates 19 is two, and the outer walls of one sides of the two groups of the connecting plates 19 are fixedly connected with the outer walls of the two sides of the first die box 14 respectively. The first mold box 14 is driven to move, the sliding block 18 is driven to move up and down in the limiting sliding rail 17, the connecting plate 19 is driven to move, and the distance between the first mold box 14 and the second mold box 15 is adjusted.

Through the structure of backup pad 11, cylinder 12, telescopic link 13, first mould case 14, second mould case 15, spacing ring plate 16, spacing slide rail 17, slider 18 and connecting plate 19, reach and carry out spacing and the purpose that moves to the mould to the device, the mould of being convenient for separates takes out the finished product of moulding plastics, solves the finished product of moulding plastics and cuts with the mould inner wall and scratch the problem that causes the finished product to damage, improves stability and the convenience that the device used.

Embodiment two: on the basis of the first embodiment, as shown in fig. 1, 2, 3, 4, 5 and 6, the demolding assembly further comprises reset spring rods 23, the reset spring rods 23 are fixedly mounted on the top of the fixing base 10, the number of the reset spring rods 23 is four, the electric push rods 22 are located among the four sets of reset spring rods 23, one end of each electric push rod 22 is fixedly mounted with a lower mold plate 24, one end of each reset spring rod 23 is fixedly connected with the bottom of each lower mold plate 24, and the outer wall of each lower mold plate 24 can be clung to the inner wall of each limiting ring plate 16. The electric push rod 22 is started to drive the lower die plate 24 to move upwards, so that the lower die plate 24 is driven to move on the inner wall of the limiting ring plate 16.

The demoulding assembly further comprises a wind box 31, the top of the fixing base 10 is fixedly provided with the wind box 31, a hole is formed in the outer wall of one side of the wind box 31, a fan 32 is rotationally arranged in the hole, a group of holes are formed in the outer wall of the other side of the wind box 31, an air conveying pipe 33 is fixedly arranged in the hole, one end of the air conveying pipe 33 extends to the inside of the limiting ring plate 16, a hole is formed in the inner wall of one side of the limiting ring plate 16, an air conveying port 34 is fixedly arranged in the hole, and one end of the air conveying pipe 33 is fixedly arranged in the air conveying port 34. The fan 32 is started, the bottom of the lower die plate 24 is blown through the air delivery pipe 33 and the air delivery port 34, the temperature of the injection molding finished product is reduced, air is injected between the lower die plate 24 and the limiting ring plate 16, the finished product is pushed, the electric push rod 22 is closed after the finished product is taken out, and the lower die plate 24 is moved to a designated position of the inner wall of the limiting ring plate 16 through the reset spring rod 23.

Through the structure of spacing ring plate 16, electric putter 22, reset spring rod 23, lower mould board 24, bellows 31, fan 32, air duct 33 and air delivery mouth 34, reach the purpose of drawing of patterns to the finished product of moulding plastics, replace the injection cold water to carry out the mode of cooling down the cavity wall separation to the finished product of moulding plastics, solve the problem of the wasting of resources that produces when the device uses, improve flexibility and the stability that the device used, reduce the wasting of resources, optimize the device and use experience.

Embodiment III: on the basis of the first embodiment and the second embodiment, as shown in fig. 1, 2, 3, 4, 5 and 6, the clamping structure includes a first clamping plate 20, a slot hole is formed in the top of the first mold box 14, the first clamping plate 20 is fixedly installed in the slot hole, a second clamping plate 21 is fixedly installed in the top of the second mold box 15, the second clamping plate 21 is capable of being clamped and installed in the first clamping plate 20, a third clamping plate 27 is fixedly installed at the bottom of the first mold box 14, an upper mold plate 28 is fixedly installed at the bottom of the first mold box 14, and the upper mold plate 28 is located in the third clamping plate 27. The joint structure still includes branch 25, and the top fixed mounting of spacing ring board 16 has branch 25, and the quantity of branch 25 is four sets of, rotates between every two sets of branches 25 and installs a set of pivoted plate 26, and two sets of pivoted plates 26 altogether, pivoted plate 26 but the joint is installed at the top of lower mould board 24, but the third joint board 27 joint is installed between second mould case 15 and spacing ring board 16, and the entrance to a cave has been seted up to the bottom of first mould case 14, and fixed mounting has the mouth 29 of moulding plastics in the entrance to a cave, and the top fixed mounting of first mould case 14 has the connecting pipe 30 of moulding plastics, and the connecting pipe 30 of moulding plastics can be installed with the pipeline joint of moulding plastics. The rotating plate 26 is shifted to drive the rotating plate 26 to rotate between the supporting rods 25, the rotating plate 26 is clamped and installed at the top of the lower die plate 24, the air cylinder 12 is started to drive one end of the first die box 14, the second clamping plate 21 is clamped and installed in the first clamping plate 20, the third clamping plate 27 is clamped and installed between the second die box 15 and the limiting ring plate 16, the upper die plate 28 is driven to be tightly attached to the top of the lower die plate 24 and fixed, injection molding is conducted on the device through the injection molding opening 29 and the injection molding connecting pipe 30, and the supporting base plate 35 is fixedly installed at the bottom of the fixing base 10.

Through the structure of first mould case 14, second mould case 15, spacing ring board 16, first joint board 20, second joint board 21, electric putter 22, reset spring rod 23, lower mould board 24, branch 25, rotating plate 26, third joint board 27, go up mould board 28, the mouth 29 of moulding plastics, the connecting pipe 30 of moulding plastics and bellows 31, reach the sealed purpose of joint to the device, reduce the space between the mould, improve the sealed effect of device, improve the quality of the finished product of device moulding plastics, improve the work efficiency of device, improve the stability of device use.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a demoulding structure for injection molding, includes unable adjustment base (10), spacing subassembly and drawing of patterns subassembly, its characterized in that, but the top fixed mounting of unable adjustment base (10) has backup pad (11), but be provided with joint structure of joint between unable adjustment base (10) and backup pad (11), but spacing subassembly includes cylinder (12), the top fixed mounting of backup pad (11) has cylinder (12), drawing of patterns subassembly includes electric putter (22), the top fixed mounting of unable adjustment base (10) has electric putter (22).

2. The demolding structure for injection molding according to claim 1, characterized in that the limiting assembly further comprises a telescopic rod (13), the bottom of the supporting plate (11) is fixedly provided with the telescopic rod (13), the output end of the air cylinder (12) is fixedly connected with one end of the telescopic rod (13), the top of the fixed base (10) is fixedly provided with a second mold box (15), the top of the second mold box (15) is provided with a first mold box (14), and the other end of the telescopic rod (13) is fixedly connected with the top of the first mold box (14).

3. The demolding structure for injection molding according to claim 2, characterized in that the limiting assembly further comprises a limiting ring plate (16), the limiting ring plate (16) is arranged in the second mold box (15), the bottom of the limiting ring plate (16) is fixedly connected with the top of the fixed base (10), a group of strip-shaped groove holes are formed in the inner walls of the two sides of the supporting plate (11), limiting sliding rails (17) are fixedly installed in the strip-shaped groove holes, sliding blocks (18) are slidably installed in the limiting sliding rails (17), connecting plates (19) are fixedly installed on the outer walls of one side of the sliding blocks (18), the number of the connecting plates (19) is two, and the outer walls of one side of the two groups of connecting plates (19) are fixedly connected with the outer walls of the two sides of the first mold box (14) respectively.

4. The demolding structure for injection molding according to claim 1, characterized in that the demolding assembly further comprises reset spring rods (23), the reset spring rods (23) are fixedly mounted at the top of the fixing base (10), the number of the reset spring rods (23) is four, the electric push rods (22) are located among the four reset spring rods (23), one end of each electric push rod (22) is fixedly provided with a lower mold plate (24), one end of each reset spring rod (23) is fixedly connected with the bottom of each lower mold plate (24), and the outer wall of each lower mold plate (24) can be clung to the inner wall of each limiting ring plate (16).

5. The demolding structure for injection molding according to claim 4, characterized in that the demolding assembly further comprises a bellows (31), the top of the fixing base (10) is fixedly provided with the bellows (31), a hole is formed in the outer wall of one side of the bellows (31), a fan (32) is rotatably installed in the hole, a group of holes are formed in the outer wall of the other side of the bellows (31), an air conveying pipe (33) is fixedly installed in the hole, one end of the air conveying pipe (33) extends to the inside of the limiting ring plate (16), a hole is formed in the inner wall of one side of the limiting ring plate (16), an air conveying opening (34) is fixedly installed in the hole, and one end of the air conveying pipe (33) is fixedly installed in the inside of the air conveying opening (34).

6. The demolding structure for injection molding according to claim 1, characterized in that the clamping structure comprises a first clamping plate (20), a groove hole is formed in the top of the first mold box (14), the first clamping plate (20) is fixedly mounted in the groove hole, a second clamping plate (21) is fixedly mounted on the top of the second mold box (15), the second clamping plate (21) can be clamped and mounted in the first clamping plate (20), a third clamping plate (27) is fixedly mounted at the bottom of the first mold box (14), an upper mold plate (28) is fixedly mounted at the bottom of the first mold box (14), and the upper mold plate (28) is located in the third clamping plate (27).

7. The demolding structure for injection molding according to claim 1, characterized in that the clamping structure further comprises supporting rods (25), the supporting rods (25) are fixedly arranged at the top of the limiting ring plate (16), the number of the supporting rods (25) is four, a group of rotating plates (26) are rotatably arranged between every two groups of supporting rods (25), the two groups of rotating plates (26) are altogether arranged, the rotating plates (26) can be clamped and arranged at the top of the lower mold plate (24), the third clamping plate (27) can be clamped and arranged between the second mold box (15) and the limiting ring plate (16), an opening is formed in the bottom of the first mold box (14), an injection molding opening (29) is fixedly arranged in the opening, an injection molding connecting pipe (30) is fixedly arranged at the top of the first mold box (14), the injection molding connecting pipe (30) can be clamped and arranged with an injection molding pipe, and a supporting bottom plate (35) is fixedly arranged at the bottom of the fixing base (10).