CN217373280U - Core pulling device for bent pipe - Google Patents
Core pulling device for bent pipe Download PDFInfo
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- CN217373280U CN217373280U CN202123319295.3U CN202123319295U CN217373280U CN 217373280 U CN217373280 U CN 217373280U CN 202123319295 U CN202123319295 U CN 202123319295U CN 217373280 U CN217373280 U CN 217373280U
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Abstract
The utility model discloses a return bend device of loosing core, include: a mold frame; the mould is internally provided with a cavity, and the cavity is provided with a first through hole and a second through hole; the driving mechanism is arranged on the die carrier; the driving mechanism drives the straight slide block; the connecting rod is hinged on the straight slide block; the connecting rod is hinged on the rotating slide block; the rotating part is arranged on the die carrier, and the rotating slide block is arranged on the rotating part; the first mold core is arranged on the straight slide block; and the second mold core is arranged on the rotary slide block. Through right the utility model discloses an use, provide a device of loosing core for moulding plastics to return bend and loose core, actuating mechanism drives craspedodrome slider and removes, and craspedodrome slider and rotatory slider pass through the connecting rod to be connected, drives rotatory slider through the connecting rod when craspedodrome slider removes and removes to the realization is taken first core and second core out from the die cavity of crook simultaneously, has improved the efficiency of loosing core, and then has improved production efficiency.
Description
Technical Field
The utility model relates to an injection molding mould technical field especially relates to a return bend device of loosing core.
Background
With the rapid development of the plastic industry and the popularization and application of plastic products in the aviation, aerospace, electronic, mechanical, ship, automobile and other industrial departments, the proportion of plastic molds in the total amount of molds is gradually increased, the requirements of the products on the plastic molds are higher and higher, the injection molds serve as important process equipment in the plastic products and become the most common forming method in the plastic molds, and after injection molding is completed, the products need to be subjected to core pulling and then to demolding. When the existing core pulling device is used for pulling the core of the elbow injection molding part, the linear core and the arc core collide in a releasing process, so that core pulling must be performed step by step, the core pulling efficiency of the existing core pulling device is low, and the production efficiency is further influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to solve the above problem, an object of the present invention is to provide a core pulling device for a bent pipe, including:
a mold frame;
the mould comprises a mould, wherein at least one cavity is arranged in the mould, and two ends of the cavity respectively penetrate through the mould and are provided with a first through hole and a second through hole;
the driving mechanism is arranged on the die carrier;
the straight-moving sliding block is arranged on the output end of the driving mechanism, and the driving mechanism is used for driving the straight-moving sliding block to move linearly;
one end of the connecting rod is hinged to the straight slide block;
the other end of the connecting rod is hinged to the rotating slide block;
the rotating part is arranged on the die carrier, and the rotating slide block is rotatably arranged on the rotating part;
a first core mounted on the traveling block, the first core being operable to extend into or out of the first port;
a second core mounted on the rotating slide, the second core being operable to extend into or exit the second opening arrangement.
In another preferred embodiment, the first core is a straight core, the length direction of the straight core and the moving direction of the output end of the driving mechanism are arranged in parallel with each other, and the second core is a circular arc core.
In another preferred embodiment, the mold cavity comprises a straight mold cavity and a circular arc mold cavity which are communicated with each other, the straight mold core is operably arranged to extend into or depart from the straight mold cavity, the outer contour of the straight mold core is matched with the inner contour of the straight mold cavity, the circular arc mold core is operably arranged to extend into or depart from the circular arc mold cavity, and the outer contour of the circular arc mold core is matched with the inner contour of the circular arc mold cavity.
In another preferred embodiment, the end of the straight core remote from the straight traveling block and the end of the arc core remote from the rotary block are operatively opposed to each other to be received in the cavity.
In another preferred embodiment, the drive mechanism comprises: the cylinder comprises a cylinder body, a piston rod, a fixing block and a mounting plate, wherein the mounting plate is mounted on the die carrier, the cylinder body is mounted on the mounting plate, the piston rod is mounted on the cylinder body, the piston rod drives the straight-moving slide block to move linearly, one end of the fixing block is mounted on the piston rod, and the straight-moving slide block is mounted at the other end of the fixing block.
In a further preferred embodiment, the mold is provided with a runner which is connected to the mold cavity and is used for injecting the injection molding material.
In another preferred embodiment, a first step surface, a second step surface and a third step surface are formed on the die, the outer contour of the first step surface is smaller than that of the second step surface, the outer contour of the second step surface is smaller than that of the third step surface, the second step surface is arranged in a protruding mode relative to the third step surface, the first through hole is formed in the first step surface, and the second through hole is formed in the second step surface.
In another preferred embodiment, the straight slide block is operatively abutted against the first step surface, and the rotary slide block is operatively abutted against the second step surface and the third step surface.
In another preferred embodiment, a first contact surface, a second contact surface and a third contact surface are formed on the rotary sliding block, the first contact surface, the second contact surface and the third contact surface are connected in a bending mode, the first contact surface is in operable abutting contact with the second step surface, the third contact surface is in operable abutting contact with the third step surface, an inclined surface is formed at the position where the second step surface is connected with the third step surface, and the inclined surface is in operable abutting contact with the second contact surface.
In another preferred embodiment, the number of the driving mechanisms and the number of the straight sliders are two, the number of the connecting rods, the number of the cavities and the number of the rotating sliders are four, the two driving mechanisms and the two straight sliders are arranged in an up-down symmetrical manner, one end of each of the two connecting rods is hinged to one straight slider, one end of each of the other two connecting rods is hinged to the other straight slider, each connecting rod is connected with one rotating slider, and the two connecting rods connected with each rotating slider are symmetrically arranged about an axis of an output end of the driving mechanism.
The utility model discloses owing to adopted above-mentioned technical scheme, make it compare with prior art positive effect that has be: through right the utility model discloses an use, provide a device of loosing core for moulding plastics to return bend and loosing core, actuating mechanism drives the craspedodrome slider and removes, and craspedodrome slider and rotatory slider pass through the connecting rod and connect, drive rotatory slider through the connecting rod when the craspedodrome slider removes and remove to the realization is taken first core and second core out from the die cavity of crook simultaneously, has improved the efficiency of loosing core, and then has improved production efficiency.
Drawings
Fig. 1 is a first schematic view of a core pulling device for a bent pipe according to the present invention;
fig. 2 is a second schematic view of a core pulling device for a bent pipe according to the present invention;
fig. 3 is a third schematic view of a core pulling device for a bent pipe according to the present invention;
fig. 4 is a fourth schematic view of the elbow core pulling device of the present invention.
In the drawings: 1. a mold frame; 2. a mold; 3. a cavity; 4. a first port; 5. a second port; 6. a drive mechanism; 7. a straight slide block; 8. a connecting rod; 9. rotating the slide block; 10. a rotating member; 11. a linear mold core; 12. a circular arc mold core; 13. a linear cavity; 14. an arc-shaped cavity; 15. an oil cylinder body; 16. a piston rod; 17. a fixed block; 18. mounting a plate; 19. a flow channel; 20. a first step surface; 21. a second step surface; 22. a third step surface; 23. a first contact surface; 24. a second contact surface; 25. a third contact surface; 26. an inclined surface; 27. and (6) a guide pillar.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
As shown in fig. 1 to 4, an elbow core pulling device according to a preferred embodiment includes:
a mold frame 1;
the mould comprises a mould 2, wherein at least one cavity 3 is arranged in the mould 2, and two ends of the cavity 3 are respectively arranged through the mould 2 and are provided with a first through hole 4 and a first through hole 5;
the driving mechanism 6, the driving mechanism 6 is mounted on the die carrier 1;
the straight-moving slide block 7 is arranged at the output end of the driving mechanism 6, and the driving mechanism 6 is used for driving the straight-moving slide block 7 to move linearly;
one end of the connecting rod 8 is hinged to the straight-moving slide block 7;
the other end of the connecting rod 8 is hinged on the rotating slide block 9;
the rotary part 10, the rotary part 10 is mounted on the die carrier 1, and the rotary slide block 9 can be rotatably mounted on the rotary part 10;
a first core mounted on the rectilinear slide 7, the first core being operatively arranged to project into or emerge from the first through opening 4;
a second core mounted on the rotary slide 9, the second core being operatively arranged to extend into or out of the first through opening 5.
In actual use, the drive mechanism 6 is actuated after injection molding is complete, as shown in fig. 1. As shown in the upper part of fig. 2 to 3, the output end of the driving mechanism 6 drives the straight slide 7 to move upward, and the first core on the straight slide 7 simultaneously moves upward and gradually escapes from the cavity 3 until completely escapes from the first through opening 4. The straight slide block 7 moves upwards and simultaneously drives the rotating slide block 9 to rotate through the connecting rod 8, and the rotating slide block 9 drives the second mold core to rotate around the rotating piece 10 and gradually separate from the mold cavity 3 until completely separating from the second through hole 5. As shown in fig. 4, because the length of the connecting rod 8 is long, when the second core on the rotary slide block 9 is released from the cavity 3, the linear core 11 is completely released from the cavity 3, so that the rotary slide block 9 is prevented from colliding with the straight slide block 7 or the linear core 11, and the simultaneous core pulling of the linear core 11 and the arc core 12 is completed.
Further, as a preferred embodiment, the first core is a straight core 11, the longitudinal direction of the straight core 11 and the moving direction of the output end of the driving mechanism 6 are arranged in parallel to each other, and the second core is a circular core 12.
Further, as a preferred embodiment, the straight core 11 refers to a core having a straight outer contour, and the arc core 12 refers to a core having an arc outer contour.
Further, as a preferred embodiment, the cavity 3 includes a straight cavity 13 and a circular arc cavity 14 which are communicated with each other, the straight core 11 is operatively disposed to be inserted into or removed from the straight cavity 13, an outer contour of the straight core 11 is matched with an inner contour of the straight cavity 13, the circular arc core 12 is operatively disposed to be inserted into or removed from the circular arc cavity 14, and an outer contour of the circular arc core 12 is matched with an inner contour of the circular arc cavity 14.
Further, as a preferred embodiment, the arc core 12 has an arc center line, and the center line is located at the center of a circle which is coaxial with the rotating member 10.
Further, as a preferred embodiment, the rotating member 10 is: a plurality of rotary shafts, each of which is mounted on the mold frame 1, each rotary slide 9 being operable to rotate about a rotary shaft.
Further, as a preferred embodiment, the end of the rectilinear core 11 remote from the rectilinear block 7 and the end of the circular core 12 remote from the rotary block 9 are operatively opposite each other housed in the moulding cavity 3.
Further, as a preferred embodiment, the driving mechanism 6 includes: the device comprises an oil cylinder body 15, a piston rod 16, a fixing block 17 and a mounting plate 18, wherein the mounting plate 18 is mounted on the die carrier 1, the oil cylinder body 15 is mounted on the mounting plate 18, the piston rod 16 is mounted on the oil cylinder body 15, the piston rod 16 drives the straight-moving slide block 7 to move linearly, one end of the fixing block 17 is mounted on the piston rod 16, and the straight-moving slide block 7 is mounted at the other end of the fixing block 17.
Further, as a preferred embodiment, the mold 2 is provided with a runner 19, the runner 19 is connected with the cavity 3, and the runner 19 is used for injecting the injection molding material.
Further, as a preferred embodiment, the mold 2 is formed with a first step surface 20, a first step surface 21 and a third step surface 22, the outer contour of the first step surface 20 is smaller than the outer contour of the first step surface 21, the outer contour of the first step surface 21 is smaller than the outer contour of the third step surface 22, the first step surface 21 is protruded relative to the third step surface 22, the first through hole 4 is opened on the first step surface 20, and the first through hole 5 is opened on the first step surface 21.
Further, as a preferred embodiment, the first through hole 4 is disposed through the first step surface 20, the first through hole 5 is disposed through the first step surface 21, both the opening direction of the first through hole 4 and the opening direction of the first through hole 5 are opened along the moving direction of the piston rod 16, the first through hole 4 is communicated with the linear cavity 13, and the first through hole 5 is communicated with the circular arc cavity 14.
Further, as a preferred embodiment, the straight-moving slider 7 operatively abuts against the first step surface 20, and the rotating slider 9 operatively abuts against the first step surface 21 and the third step surface 22.
Further, as a preferred embodiment, the rotating slider 9 is formed with a first contact surface 23, a second contact surface 24 and a third contact surface 25, the first contact surface 23, the second contact surface 24 and the third contact surface 25 are connected in a bending manner, the first contact surface 23 operatively abuts against the first step surface 21, the third contact surface 25 operatively abuts against the third step surface 22, an inclined surface 26 is formed at a position where the first step surface 21 is connected with the third step surface 22, and the inclined surface 26 operatively abuts against the second contact surface 24.
Further, as a preferred embodiment, when the straight slide 7 abuts against the first step surface 20, the straight core 11 is disposed to extend into the straight cavity 13 through the first through opening 4, and when the first contact surface 23 of the rotary slide 9 abuts against the first step surface 21, the circular core 12 is disposed to extend into the circular cavity 14 through the first through opening 5, at this time, one end of the straight core 11, which is far away from the first through opening 4, is abutted against one end of the circular core 12, which is far away from the first through opening 5.
Further, as a preferred embodiment, the number of the driving mechanisms 6 and the number of the straight sliders 7 are two, the number of the connecting rods 8, the number of the cavities 3 and the number of the rotating sliders 9 are four, the two driving mechanisms 6 and the two straight sliders 7 are symmetrically arranged up and down, one end of each of the two connecting rods 8 is hinged to one of the straight sliders 7, one end of each of the other two connecting rods 8 is hinged to the other straight slider 7, each of the connecting rods 8 is connected to one of the rotating sliders 9, and the two connecting rods 8 connected to each of the rotating sliders 9 are symmetrically arranged with respect to an axis of an output end of the driving mechanism 6.
The above description is only an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The utility model discloses still have following embodiment on above-mentioned basis:
in a further embodiment of the present invention, the mold 2 comprises: the injection molding machine comprises a movable template and a fixed template which are matched with each other, a cavity 3 is formed when the movable template and the fixed template are closed, the movable template and the fixed template are matched in the injection molding process, the movable template is moved after injection molding is completed, and an injection molded part is taken out.
The utility model discloses a further embodiment, the movable mould board can be followed the horizontal direction and removed, and actuating mechanism 6's output is followed vertical direction and is removed.
The utility model discloses a further embodiment, still include: and the four guide pillars 27 are arranged on the die carrier 1 and used for fixing the die 2 and providing guidance for the movement of the movable die plate, so that the die 2 is accurately positioned when being closed, and the closing precision of the movable die plate and the fixed die plate is improved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope and embodiments of the present invention, and it should be appreciated by those skilled in the art that various equivalent and obvious modifications can be made in the present invention and the description and drawings, and all such modifications are intended to be included within the scope and spirit of the present invention.
Claims (10)
1. The utility model provides a return bend device of loosing core which characterized in that includes:
a mold frame;
the mould comprises a mould body, wherein at least one cavity is arranged in the mould body, and two ends of the cavity respectively penetrate through the mould body and are provided with a first through hole and a second through hole;
the driving mechanism is arranged on the die carrier;
the straight-moving sliding block is arranged at the output end of the driving mechanism, and the driving mechanism is used for driving the straight-moving sliding block to move linearly;
one end of the connecting rod is hinged to the straight-moving sliding block;
the other end of the connecting rod is hinged to the rotating sliding block;
the rotating part is arranged on the die carrier, and the rotating slide block is rotatably arranged on the rotating part;
a first core mounted to the straight traveling slide, the first core being operable to extend into or be disposed out of the first port;
a second core mounted on the rotating slider, the second core operable to extend into or out of the second port arrangement.
2. The elbow core pulling device according to claim 1, wherein the first core is a linear core, a length direction of the linear core and a movement direction of the output end of the driving mechanism are arranged in parallel, and the second core is an arc core.
3. The elbow core pulling device according to claim 2, wherein the mold cavity comprises a straight mold cavity and a circular arc mold cavity which are communicated with each other, the straight mold core is arranged to be operatively inserted into or separated from the straight mold cavity, the outer contour of the straight mold core is matched with the inner contour of the straight mold cavity, the circular arc mold core is arranged to be operatively inserted into or separated from the circular arc mold cavity, and the outer contour of the circular arc mold core is matched with the inner contour of the circular arc mold cavity.
4. The elbow core pulling device according to claim 2, wherein an end of the straight core away from the straight traveling slider and an end of the arc core away from the rotary slider are operably opposed to each other in the cavity.
5. The elbow core pulling device according to claim 1, wherein the driving mechanism comprises: the mounting plate is mounted on the die carrier, the oil cylinder body is mounted on the mounting plate, the piston rod is mounted on the oil cylinder body, the piston rod drives the straight-line motion of the straight-line sliding block, one end of the fixing block is mounted on the piston rod, and the straight-line sliding block is mounted at the other end of the fixing block.
6. The elbow core pulling device according to claim 1, wherein a runner is arranged on the mold, the runner is connected with the cavity, and the runner is used for injecting injection molding materials.
7. The elbow core pulling device according to claim 1, wherein a first step surface, a second step surface and a third step surface are formed on the mold, the outer contour of the first step surface is smaller than that of the second step surface, the outer contour of the second step surface is smaller than that of the third step surface, the second step surface is arranged in a protruding mode relative to the third step surface, the first through opening is formed in the first step surface, and the second through opening is formed in the second step surface.
8. The elbow core pulling device according to claim 7, wherein the straight slider operatively abuts against the first step surface, and the rotary slider operatively abuts against the second step surface and the third step surface.
9. The elbow core pulling device according to claim 7, wherein a first contact surface, a second contact surface and a third contact surface are formed on the rotary sliding block, the first contact surface, the second contact surface and the third contact surface are connected in a bending mode, the first contact surface and the second step surface are in operable contact with each other, the third contact surface and the third step surface are in operable contact with each other, an inclined surface is formed at a position where the second step surface and the third step surface are connected, and the inclined surface and the second contact surface are in operable contact with each other.
10. The elbow core pulling device according to claim 1, wherein the number of the driving mechanisms and the number of the straight sliders are two, the number of the connecting rods, the number of the cavities and the number of the rotating sliders are four, the two driving mechanisms and the two straight sliders are arranged in an up-down symmetrical manner, one end of each of the two connecting rods is hinged to one of the straight sliders, one end of each of the other two connecting rods is hinged to the other of the straight sliders, each of the connecting rods is connected to one of the rotating sliders, and the two connecting rods connected to each of the rotating sliders are arranged symmetrically with respect to an axis of an output end of the driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123319295.3U CN217373280U (en) | 2021-12-27 | 2021-12-27 | Core pulling device for bent pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123319295.3U CN217373280U (en) | 2021-12-27 | 2021-12-27 | Core pulling device for bent pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217373280U true CN217373280U (en) | 2022-09-06 |
Family
ID=83093234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123319295.3U Active CN217373280U (en) | 2021-12-27 | 2021-12-27 | Core pulling device for bent pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217373280U (en) |
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2021
- 2021-12-27 CN CN202123319295.3U patent/CN217373280U/en active Active
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