CN215791475U - Ejector pin pushing device for mold exhaust - Google Patents
Ejector pin pushing device for mold exhaust Download PDFInfo
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- CN215791475U CN215791475U CN202121358201.0U CN202121358201U CN215791475U CN 215791475 U CN215791475 U CN 215791475U CN 202121358201 U CN202121358201 U CN 202121358201U CN 215791475 U CN215791475 U CN 215791475U
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Abstract
The utility model discloses a thimble pushing device for exhausting gas of a mould, which comprises a lower mould and an upper mould, wherein the top surface of the lower mould is fixedly connected with four positioning rods, the four corners of the upper mould are jointed with the surface of the lower mould through the positioning rods, the top surface of the upper mould is provided with a top rod groove, the front end of a connecting rod III is fixedly connected with a disc, the rear surface of the disc is fixedly connected with a limiting ring, the limiting ring is movably clamped in two arc grooves, the front surface of the disc is fixedly connected with a short rod, and the top surface of the upper mould is fixedly connected with a pushing mechanism. When the sliding block moves up and down, the ejector rod is driven to move up and down through the lantern ring to achieve the exhaust effect.
Description
Technical Field
The application relates to the technical field of ejector rod pushing devices, in particular to a thimble pushing device for mold exhaust.
Background
Most plastic articles are produced by injection molding. During the injection molding process, gas exists in the mold cavity of the injection mold due to air in the mold cavity, water contained in the plastic raw material evaporating at high temperature, or plastic decomposing at high temperature. If these gases cannot be smoothly removed, there are defects such as scorching, filling failure, appearance damage, bubbles, silver wires, weld lines, dimensional variations, and the like. Therefore, venting becomes a problem that must be considered in mold design
As disclosed in the chinese patent: "an injection mold exhaust structure", the publication number: CN211492674U can prevent effectively that the melting plastic from overflowing from the gas vent, but the promotion of common mould for exhaust thimble is through the manual promotion from top to bottom of operating personnel, and operating personnel is not convenient for the application of force, consequently provides a mould for exhaust thimble thrust unit, improve equipment's life, and reach the effect that reciprocates the thimble through rotating the carousel, and the application of force is convenient, and the operating personnel of being convenient for exert oneself.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a thimble driving device for exhausting air from a mold, so as to solve the problems mentioned in the background art.
The embodiment of the application adopts the following technical scheme:
a thimble pushing device for mold exhaust comprises a lower mold and an upper mold, wherein the top surface of the lower mold is fixedly connected with four positioning rods, four corners of the upper mold are attached to the surface of the lower mold through the positioning rods, a thimble groove is formed in the top surface of the upper mold, a thimble is movably arranged in the thimble groove, and the top surface of the upper mold is fixedly connected with a pushing mechanism;
the pushing mechanism comprises a vertical rod, a vertical groove is formed in the surface of the vertical rod, sliding grooves are formed in the left groove surface and the right groove surface of the vertical groove, a transverse rod is fixedly connected to the right surface of the vertical rod, and a sliding block is movably arranged in the vertical groove;
the equal fixedly connected with fixture block in left and right sides of slider, the front surface fixedly connected with connecting rod one and the connecting block of slider, the rod end fixedly connected with lantern ring of connecting block.
Preferably, the front end of the lantern ring is provided with a thread groove, a screw rod is connected in the thread groove through threads, and the lantern ring is positioned above the ejector rod groove;
preferably, the rod end of the first connecting rod is hinged with a first rotating rod, the lower end of the first rotating rod is hinged with a second rotating rod, and the middle part of the rod face of the second rotating rod is provided with an elongated slot;
preferably, the front surface of the cross rod is provided with a rod groove and two arc-shaped grooves, the rod groove penetrates through the cross rod, the front surface of the cross rod is fixedly connected with a second connecting rod, and the second connecting rod is hinged with the right end of the second rotating rod;
preferably, a third connecting rod is movably sleeved in the rod groove, a disc is fixedly connected to the front end of the third connecting rod, a limiting ring is fixedly connected to the rear surface of the disc, the limiting ring is movably clamped in the two arc grooves, a short rod is fixedly connected to the front surface of the disc, the short rod is movably arranged in the long groove, a round block is fixedly connected to the rod face of the third connecting rod, and a rotary disc is fixedly connected to the rear end of the third connecting rod.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:
firstly, an operator fixes the ejector rod in the sleeve ring through the screw rod, the operator can drive the disc to rotate through the connecting rod III by rotating the turntable, and the limiting ring slides in the two arc-shaped grooves when the disc rotates, so that the position of the disc is not easy to deviate, stress points during rotation are increased, the pulling force borne by the connecting rod III is reduced, the connecting rod III is prevented from directly bearing all pressure to deform, and the service life of equipment is prolonged;
secondly, the distance between the round block and the disc is the same as the depth of the rod groove, the short rod rotates along with the disc when the disc rotates, the short rod rotates to drive the rotating rod to move through the long groove, the rotating rod drives the sliding block to move up and down in the vertical groove when moving, the clamping block moves in the sliding groove to avoid the sliding block to be separated from the vertical rod, the ejector rod is driven to move up and down through the lantern ring when the sliding block moves up and down to achieve the exhaust effect, the ejector pin moving up and down effect is achieved through rotating the rotary table, force application is convenient, and an operator can apply force conveniently.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of an upper mold of the present invention;
FIG. 3 is a schematic view of the structure of the vertical rod of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the cross bar of the present invention;
fig. 6 is a schematic structural view of the turntable according to the present invention.
In the figure: 1. a lower die; 2. a vertical rod; 3. a turntable; 4. an upper die; 5. positioning a rod; 6. a top rod; 7. a jack rod groove; 8. a rod groove; 9. a second connecting rod; 10. a cross bar; 11. an arc-shaped slot; 12. a short bar; 13. a disc; 15. a chute; 16. a vertical slot; 17. a slider; 18. a second rotating rod; 19. a first connecting rod; 20. a collar; 21. a first rotating rod; 22. a screw; 23. a thread groove; 24. a long groove; 25. connecting blocks; 26. a clamping block; 27. a limiting ring; 28. a third connecting rod; 29. and (7) round blocks.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Referring to fig. 1-6, a thimble pushing device for mold exhaust comprises a lower mold 1 and an upper mold 4, wherein the top surface of the lower mold 1 is fixedly connected with four positioning rods 5, four corners of the upper mold 4 are attached to the surface of the lower mold 1 through the positioning rods 5, the top surface of the upper mold 4 is provided with a mandril groove 7, a mandril 6 is movably arranged in the mandril groove 7, and the top surface of the upper mold 4 is fixedly connected with a pushing mechanism;
the pushing mechanism comprises a vertical rod 2, a vertical groove 16 is formed in the surface of the vertical rod 2, sliding grooves 15 are formed in the left groove surface and the right groove surface of the vertical groove 16, a cross rod 10 is fixedly connected to the right surface of the vertical rod 2, and a sliding block 17 is movably arranged in the vertical groove 16;
the left surface and the right surface of the sliding block 17 are fixedly connected with clamping blocks 26, the front surface of the sliding block 17 is fixedly connected with a first connecting rod 19 and a connecting block 25, the rod end of the connecting block 25 is fixedly connected with a lantern ring 20, the front end of the lantern ring 20 is provided with a thread groove 23, a screw rod 22 is connected in the thread groove 23 through threads, the lantern ring 20 is positioned above the ejector rod groove 7, an ejector rod 6 is fixed in the lantern ring 20 through the screw rod 22 by an operator, at the moment, the operator can drive the disc 13 to rotate through a third connecting rod 28 by rotating the turntable 3, when the disc 13 rotates, the limiting ring 27 slides in the two arc-shaped grooves 11, so that the position of the disc 13 is not easy to deviate, stress points during rotation are increased, the pulling force borne by the third connecting rod 28 is reduced, the phenomenon that the third connecting rod 28 directly bears all pressure to deform is avoided, and the service life of equipment is prolonged;
the rod end of the first connecting rod 19 is hinged with a first rotating rod 21, the lower end of the first rotating rod 21 is hinged with a second rotating rod 18, and the middle part of the rod surface of the second rotating rod 18 is provided with an elongated slot 24;
a rod groove 8 and two arc-shaped grooves 11 are formed in the front surface of the cross rod 10, the rod groove 8 penetrates through the cross rod 10, a second connecting rod 9 is fixedly connected to the front surface of the cross rod 10, and the second connecting rod 9 is hinged to the right end of a second rotating rod 18;
a connecting rod third 28 is movably sleeved in the rod groove 8, a disc 13 is fixedly connected to the front end of the connecting rod third 28, a limiting ring 27 is fixedly connected to the rear surface of the disc 13, the limiting ring 27 is movably clamped in the two arc-shaped grooves 11, a short rod 12 is fixedly connected to the front surface of the disc 13, the short rod 12 is movably arranged in the long groove 24, a round block 29 is fixedly connected to the rod face of the connecting rod third 28, the distance between the round block 29 and the disc 13 is the same as the groove depth of the rod groove 8, the short rod 12 rotates along with the disc 13 when the disc 13 rotates, the short rod 12 rotates to drive the rotating rod 18 to move through the long groove 24, the rotating rod 18 drives the sliding block 17 to move up and down in the vertical groove 16 when moving, the clamping block 26 moves in the sliding groove 15 to prevent the sliding block 17 from being separated from the vertical rod 2, the sliding block 17 drives the mandril 6 to move up and down through the lantern ring 20 when moving up and down to achieve the exhaust effect, and the rear end of the connecting rod third 28 is fixedly connected with the rotating disc 3.
When in use, an operator fixes the top rod 6 in the lantern ring 20 through the screw rod 22, at the moment, the operator can drive the disc 13 to rotate through the connecting rod three 28 by rotating the turntable 3, when the disc 13 rotates, the limiting ring 27 slides in the two arc-shaped grooves 11, therefore, the position of the disc 13 is not easy to deviate, stress points during rotation are increased, the pulling force borne by the connecting rod three 28 is reduced, the connecting rod three 28 is prevented from directly bearing all pressure to deform, therefore, the service life of the equipment is prolonged, the distance between the round block 29 and the disc 13 is the same as the groove depth of the rod groove 8, the short rod 12 rotates along with the disc 13 when the disc 13 rotates, the short rod 12 rotates to drive the rotating rod 18 to move through the long groove 24, the sliding block 17 is driven to move up and down in the vertical groove 16 when the rotating rod 18 moves, the clamping block 26 moves in the sliding groove 15 to prevent the sliding block 17 from being separated from the vertical rod 2, and the ejector rod 6 is driven to move up and down through the lantern ring 20 when the sliding block 17 moves up and down to achieve the exhaust effect.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied in the medium.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (5)
1. The utility model provides a mould is thimble thrust unit for exhaust, includes bed die (1) and upper die (4), its characterized in that: the top surface of the lower die (1) is fixedly connected with four positioning rods (5), four corners of the upper die (4) are attached to the surface of the lower die (1) through the positioning rods (5), the top surface of the upper die (4) is provided with a ejector rod groove (7), and an ejector rod (6) is movably arranged in the ejector rod groove (7);
the top surface of the upper die (4) is fixedly connected with a pushing mechanism;
the pushing mechanism comprises a vertical rod (2), a vertical groove (16) is formed in the surface of the vertical rod (2), sliding grooves (15) are formed in the left groove surface and the right groove surface of the vertical groove (16), a transverse rod (10) is fixedly connected to the right surface of the vertical rod (2), and a sliding block (17) is movably arranged in the vertical groove (16);
the equal fixedly connected with fixture block (26) of left and right sides of slider (17), the front surface fixedly connected with connecting rod (19) and connecting block (25) of slider (17), the rod end fixedly connected with lantern ring (20) of connecting block (25).
2. The ejector pin pushing device for mold venting according to claim 1, wherein: the front end of the lantern ring (20) is provided with a thread groove (23), a screw rod (22) is connected into the thread groove (23) through threads, and the lantern ring (20) is located above the ejector rod groove (7).
3. The ejector pin pushing device for mold venting according to claim 2, wherein: the rod end of the first connecting rod (19) is hinged with a first rotating rod (21), the lower end of the first rotating rod (21) is hinged with a second rotating rod (18), and the middle part of the surface of the second rotating rod (18) is provided with a long groove (24).
4. The ejector pin pushing device for mold venting according to claim 2, wherein: the front surface of horizontal pole (10) has seted up pole groove (8) and two arc walls (11), pole groove (8) run through horizontal pole (10), the front surface fixed connection of horizontal pole (10) has connecting rod two (9), connecting rod two (9) are articulated with the right-hand member of bull stick two (18).
5. The ejector pin pushing device for mold venting according to claim 4, wherein: connecting rod three (28) has been cup jointed to pole groove (8) internalization, the front end fixedly connected with disc (13) of connecting rod three (28), the rear surface fixed connection of disc (13) has spacing collar (27), spacing collar (27) activity joint is in two arc walls (11), the front surface fixed connection of disc (13) has quarter butt (12), quarter butt (12) activity sets up in elongated slot (24), the face fixedly connected with round piece (29) of connecting rod three (28), the rear end fixedly connected with carousel (3) of connecting rod three (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121358201.0U CN215791475U (en) | 2021-06-18 | 2021-06-18 | Ejector pin pushing device for mold exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121358201.0U CN215791475U (en) | 2021-06-18 | 2021-06-18 | Ejector pin pushing device for mold exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215791475U true CN215791475U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121358201.0U Active CN215791475U (en) | 2021-06-18 | 2021-06-18 | Ejector pin pushing device for mold exhaust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215791475U (en) |
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2021
- 2021-06-18 CN CN202121358201.0U patent/CN215791475U/en active Active
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