CN218053708U

CN218053708U - Injection mechanism of injection molding machine for preparing plastic products

Info

Publication number: CN218053708U
Application number: CN202220916683.5U
Authority: CN
Inventors: 左晓鑫
Original assignee: Shijiazhuang Xinerwo Plastic Co ltd
Current assignee: Shijiazhuang Xinerwo Plastic Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-12-16
Anticipated expiration: 2032-04-20

Abstract

The utility model relates to an injection mechanism technical field of injection molding machine provides an injection mechanism of injection molding machine for preparation plastic products, the on-line screen storage device comprises a base, terminal surface fixedly connected with support column under the base, the equal fixedly connected with bracing piece of edge about the base up end, bracing piece up end fixedly connected with backup pad, terminal surface symmetry fixedly connected with fixed block under the base, the fixed block is inside to be connected with the transfer line through the bearing rotation, the anterior fixedly connected with supporting shoe of terminal surface under the base, the supporting shoe is inside to rotate through the bearing and is connected with the worm, the base up end is provided with the lower mould, backup pad inner chamber sliding connection has the cylinder, terminal surface fixedly connected with slurcam under the cylinder. Through above-mentioned technical scheme, the injection mechanism who has solved the injection molding machine among the prior art inconveniently filters liquid when the liquid is moulded plastics in the injection, inconveniently avoids moulding plastics to seal the problem that prevents back liquid to the injection pipe after accomplishing.

Description

Injection mechanism of injection molding machine for preparing plastic products

Technical Field

The utility model relates to an injection mechanism technical field of injection molding machine, it is specific, relate to an injection mechanism of injection molding machine for preparation plastic products.

Background

At present, the demand of injection products is increasing day by day in China, the application range of the injection products is expanding day by day, the application of injection molding machines is also wider, the injection molding machines are main molding equipment for manufacturing plastic products with various shapes by using plastic molding dies and are divided into vertical type, horizontal type and full-electric type, the injection molding machines can heat plastics and apply high pressure to the molten plastics so as to inject the molten plastics to fill a die cavity.

However, the injection mechanism of the existing injection molding machine is inconvenient to filter liquid when injecting injection molding liquid, and is inconvenient to avoid the trouble of sealing the injection pipe after injection molding is finished to prevent liquid return.

SUMMERY OF THE UTILITY MODEL

The utility model provides a preparation injection mechanism of injection molding machine for plastic products has solved the injection mechanism inconvenience of the injection molding machine among the correlation technique and filters liquid when spraying the liquid of moulding plastics, and inconvenient the completion back of avoiding moulding plastics seals the problem that prevents back liquid to the injection pipe.

The technical scheme of the utility model as follows: the base is included, terminal surface fixedly connected with support column under the base, the equal fixedly connected with bracing piece in edge about the base up end, terminal surface fixedly connected with backup pad on the bracing piece, terminal surface symmetry fixedly connected with fixed block under the base, the fixed block is inside to rotate through the bearing and is connected with the transfer line, the anterior fixedly connected with supporting shoe of terminal surface under the base, the supporting shoe is inside to rotate through the bearing and is connected with the worm, the base up end is provided with the lower mould, backup pad inner chamber sliding connection has the cylinder, terminal surface fixedly connected with slurcam under the cylinder, the equal fixedly connected with round bar of terminal surface under the slurcam, the terminal surface fixedly connected with mould under the round bar.

Preferably, the motor is fixedly connected to the front edge of the lower end face of the base, the motor is fixedly connected with a worm through an output shaft, the worm is meshed with a worm wheel, and a transmission rod is fixedly connected to the inside of the worm wheel.

Preferably, the transmission rod is connected with a first threaded rod through a first bevel gear set and a second bevel gear set in a transmission mode, the outer portion of the first threaded rod is in threaded connection with a U-shaped support frame, and the U-shaped support frame is far away from a round sleeve fixedly connected with one end of the first threaded rod.

Preferably, circular cover inner chamber sliding connection has a circular pole, the circular pole up end is provided with the inlet, terminal surface fixedly connected with down the circular pole is connected with the piston through the bearing rotation, the circular pole outside fixedly connected with circular spacing dish, terminal surface fixedly connected with spring under the circular spacing dish.

Preferably, the lower end face of the piston is fixedly connected with a fixed rod, the upper end face of the fixed rod is fixedly connected with a return spring, and the upper end face of the return spring is fixedly connected with a sealing block.

Preferably, a heating device is arranged inside the pushing plate, a liquid storage pipe is fixedly connected inside the pushing plate, and an upper die is fixedly connected to the lower end face of the liquid storage pipe.

Preferably, the middle part of the lower end face of the upper die is provided with a jet orifice which is communicated with the inner cavity of the liquid storage pipe, the inner cavity of the liquid storage pipe is provided with a filter plate, and the filter plate is made of a metal mesh plate.

Preferably, the lower end face of the U-shaped support frame is fixedly connected with a buffer spring, the buffer spring is far away from one end of the U-shaped support frame and is fixedly connected with the support plate, and the lower end face of the U-shaped support frame is fixedly connected with the cylinder.

The utility model discloses a theory of operation and beneficial effect do:

1. the utility model discloses in. The output shaft of the motor rotates the worm to drive the worm wheel to rotate the transmission rod, the transmission rod rotates the first threaded rod through the first bevel gear set and the second bevel gear set, then the first threaded rod thread transmission U-shaped support frame drives the cylinder to move downwards with the buffer spring, and then the cylinder pushes the pushing plate to drive the round rod to press the upper die to be attached to the lower die, so that the trouble that injection molding liquid leaks due to the fact that the upper die and the lower die are not tightly attached to each other is avoided. The heating device is opened by personnel, so that the heating device heats the liquid storage pipe, and the cooling solidification of the injection molding liquid in the inner cavity of the liquid storage pipe is avoided. The output shaft through the motor rotates worm drive worm wheel and rotates the transfer line, make the transfer line rotate first threaded rod through first bevel gear group and second bevel gear group, make first threaded rod screw drive U type support frame drive cylinder and buffer spring remove downwards again, then make cylinder promote the slurcam and drive the round bar and press down mould and lower mould and laminate, then recycle inlet intercommunication outside and send the liquid pipeline, make liquid get into in the first threaded rod inner chamber through the inlet and strike the sealed piece and press reset spring and carry out in the liquid storage tube, then recycle the filter and filter the injection molding liquid and arrange into the mould inner chamber through the jet, thereby solved the inconvenient trouble that prevents the liquid return when spraying injection molding liquid of injection molding machine's injection mechanism, and conveniently avoid moulding plastics to seal the injection pipe after accomplishing.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the bottom view of the present invention;

FIG. 3 is a schematic view of a half-section structure of the base of the present invention;

fig. 4 is an enlarged view of the area a in fig. 3 according to the present invention;

in the figure: 1. a base; 2. a support column; 3. a support bar; 4. a support plate; 5. a fixed block; 6. a support block; 7. a motor; 8. A worm; 9. a worm gear; 10. a transmission rod; 11. a first bevel gear set; 12. a second bevel gear set; 13. a first threaded rod; 14. A U-shaped support frame; 15. a round sleeve; 16. a circular rod; 17. a liquid inlet; 18. an upper die; 19. a buffer spring; 20. a cylinder; 21. a round bar; 22. a push plate; 23. a jet port; 24. a heating device; 25. a liquid storage pipe; 26. a filter plate; 27. fixing the rod; 28. a spring; 29. a sealing block; 30. a lower die; 31. a piston; 32. a spring; 33. a circular limiting disc;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive work, are related to the scope of protection of the present invention.

Example 1

As shown in fig. 1 to 4, the present embodiment provides an injection mechanism of an injection molding machine for preparing plastic products, including a base 1, a support column 2 is fixedly connected to a lower end surface of the base 1, support rods 3 are fixedly connected to left and right edges of an upper end surface of the base 1, a support plate 4 is fixedly connected to an upper end surface of the support rods 3, fixed blocks 5 are symmetrically and fixedly connected to a lower end surface of the base 1, a transmission rod 10 is rotatably connected to the inside of the fixed blocks 5 through bearings, a support block 6 is fixedly connected to a front end surface of the lower end surface of the base 1, a worm 8 is rotatably connected to the inside of the support block 6 through a bearing, a lower mold 30 is arranged on the upper end surface of the base 1, a cylinder 20 is slidably connected to an inner cavity of the support plate 4, a push plate 22 is fixedly connected to a lower end surface of the cylinder 20, a round rod 21 is fixedly connected to a lower end surface of the round rod 21, an upper mold 18 is fixedly connected to a lower end surface of the round rod 21, a motor 7 is fixedly connected to a front edge of the lower end surface of the base 1, the motor 7 is fixedly connected to the worm 8 through an output shaft, the worm 8 is engaged with a worm wheel 9, a worm wheel 10 is fixedly connected to the inside the worm wheel 9, the transmission rod 10 is fixedly connected to the transmission rod 10, the transmission rod 10 is connected to a first bevel gear set 11, a first bevel gear set 13, a second bevel gear set 12, a first bevel gear set 13 is connected to a U-shaped threaded rod set 14 is connected to an external thread set 13, a first threaded rod set 13, a U-shaped support frame 13 is connected to a U-shaped threaded rod 14, and a first support frame 13, and a second bevel gear set 15 is connected to the first support frame 13. The worm 8 is rotated through an output shaft of the motor 7 to drive the worm wheel 9 to rotate the transmission rod 10, the transmission rod 10 rotates the first threaded rod 13 through the first bevel gear set 11 and the second bevel gear set 12, the first threaded rod 13 drives the U-shaped supporting frame 14 to drive the cylinder 20 and the buffer spring 19 to move downwards, then the cylinder 20 pushes the pushing plate 22 to drive the round rod 21 to press the upper die 18 to be attached to the lower die 30, thereby avoiding the trouble that injection molding liquid leaks due to loose attachment of the upper die 18 and the lower die 30, the inner cavity of the round sleeve 15 is slidably connected with the round rod 16, the upper end face of the round rod 16 is provided with the liquid inlet 17, the lower end face of the round rod 16 is fixedly connected with the piston 31 through a bearing in a rotating manner, the round limiting disc 33 is fixedly connected to the outside of the round rod 16, the spring 32 is fixedly connected to the lower end face of the round limiting disc 33, the fixing rod 27 is fixedly connected to the lower end face of the piston 31, the reset spring 28 is fixedly connected to the upper end face of the fixing rod 27, and the seal block 29 is fixedly connected to the upper end face of the reset spring 28. The worm 8 is driven by an output shaft of the motor 7 to rotate the transmission rod 10 by the worm wheel 9, the transmission rod 10 rotates the first threaded rod 13 through the first bevel gear set 11 and the second bevel gear set 12, the first threaded rod 13 is driven by the thread to drive the U-shaped support frame 14 to drive the cylinder 20 and the buffer spring 19 to move downwards, then the cylinder 20 pushes the push plate 22 to drive the round rod 21 to press the upper die 18 and the lower die 30 to be attached, then the liquid inlet 17 is communicated with an external liquid feeding pipeline, liquid enters an inner cavity of the first threaded rod 13 through the liquid inlet 17 and impacts the sealing block 29 to press the return spring 28 to be filled in the liquid storage tube 25, then the filter plate 26 is utilized to filter injection molding liquid and is discharged into an inner cavity of the die through the injection port 23, so that the problem that the injection molding liquid is inconvenient to be filtered when the injection molding liquid is injected by an injection mechanism of the existing injection molding machine is solved, the trouble of sealing the injection pipe after injection molding is completed is avoided, a heating device 24 is arranged in the push plate 22, the injection port 22 is fixedly connected with the liquid storage tube 25, the lower end face of the upper die 18 is fixedly connected with the upper die, the middle of the lower end face of the filter plate 23 is communicated with the inner cavity of the liquid storage tube 25, the filter plate 26 is arranged in the inner cavity of the filter plate 26, and is formed by the filter plate 26. The heating device 24 is opened by personnel, the heating device 24 heats the liquid storage pipe 25, the injection liquid in the inner cavity of the liquid storage pipe 25 is prevented from being cooled and solidified, the buffer spring 19 is fixedly connected to the lower end face of the U-shaped support frame 14, the buffer spring 19 is far away from the support plate 4 fixedly connected to one end of the U-shaped support frame 14, and the cylinder 20 fixedly connected to the lower end face of the U-shaped support frame 14 is far away from the lower end face of the U-shaped support frame 14.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a preparation injection mechanism of injection molding machine for plastic products, its characterized in that, includes base (1), terminal surface fixedly connected with support column (2) under base (1), equal fixedly connected with bracing piece (3) of edge about base (1) up end, bracing piece (3) up end fixedly connected with backup pad (4), terminal surface symmetry fixedly connected with fixed block (5) under base (1), fixed block (5) inside is rotated through the bearing and is connected with transfer line (10), terminal surface front portion fixedly connected with supporting shoe (6) under base (1), supporting shoe (6) inside is rotated through the bearing and is connected with worm (8), base (1) up end is provided with lower mould (30), backup pad (4) inner chamber sliding connection has cylinder (20), terminal surface fixedly connected with slurcam (22) under cylinder (20), terminal surface fixedly connected with vaulting pole (21) under slurcam (22), terminal surface fixedly connected with mould (18) under slurcam (21).

2. The injection mechanism of an injection molding machine for preparing plastic products according to claim 1, characterized in that a motor (7) is fixedly connected to the front edge of the lower end face of the base (1), the motor (7) is fixedly connected with a worm (8) through an output shaft, the worm (8) is engaged with a worm wheel (9), and a transmission rod (10) is fixedly connected to the inside of the worm wheel (9).

3. The injection mechanism of an injection molding machine for manufacturing plastic products as claimed in claim 1, wherein the transmission rod (10) is in transmission connection with a first threaded rod (13) through a first bevel gear set (11) and a second bevel gear set (12), the first threaded rod (13) is externally in threaded connection with a U-shaped support frame (14), and a round sleeve (15) is fixedly connected to one end of the U-shaped support frame (14) far away from the first threaded rod (13).

4. The injection mechanism of the injection molding machine for preparing the plastic products according to claim 3, wherein the inner cavity of the circular sleeve (15) is connected with a circular rod (16) in a sliding manner, the upper end face of the circular rod (16) is provided with a liquid inlet (17), the lower end face of the circular rod (16) is fixedly connected with a lower end face which is rotatably connected with a piston (31) through a bearing, the outer part of the circular rod (16) is fixedly connected with a circular limiting disc (33), and the lower end face of the circular limiting disc (33) is fixedly connected with a spring (32).

5. The injection mechanism of an injection molding machine for manufacturing plastic products as claimed in claim 4, wherein a fixing rod (27) is fixedly connected to a lower end surface of said piston (31), a return spring (28) is fixedly connected to an upper end surface of said fixing rod (27), and a sealing block (29) is fixedly connected to an upper end surface of said return spring (28).

6. The injection mechanism of an injection molding machine for manufacturing plastic products as claimed in claim 1, wherein a heating device (24) is disposed inside the pushing plate (22), a liquid storage pipe (25) is fixedly connected inside the pushing plate (22), and an upper mold (18) is fixedly connected to the lower end surface of the liquid storage pipe (25).

7. The injection mechanism of an injection molding machine for manufacturing plastic products according to claim 6, wherein the upper mold (18) is provided with an injection port (23) at the middle of the lower end surface, the injection port (23) is communicated with the inner cavity of the liquid storage tube (25), the inner cavity of the liquid storage tube (25) is provided with a filter plate (26), and the filter plate (26) is made of a metal mesh plate.

8. The injection mechanism of an injection molding machine for preparing plastic products as claimed in claim 3, wherein a buffer spring (19) is fixedly connected to the lower end face of the U-shaped support frame (14), one end of the buffer spring (19) far away from the U-shaped support frame (14) is fixedly connected to the support plate (4), and the lower end face of the U-shaped support frame (14) is fixedly connected to the cylinder (20).