CN217862609U

CN217862609U - Internal shrinkage cork structure of slide thread

Info

Publication number: CN217862609U
Application number: CN202221803536.3U
Authority: CN
Inventors: 林成广; 黄佳林
Original assignee: Shenzhen Jimei Mold Technology Co ltd
Current assignee: Shenzhen Jimei Mold Technology Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-11-22
Anticipated expiration: 2032-07-13

Abstract

The utility model is suitable for a mould technical field provides a line position screw thread internal contraction is with structure, including mobilizable big line position slider and little line position slider, little line position slider slides on the surface of big line position slider, one side of big line position slider is equipped with the fixed block, be equipped with the screw thread injection molding on the fixed block, be equipped with interior line position mold insert between screw thread injection molding and the big line position slider, be equipped with the interior line position internal extraction mold insert that passes big line position slider and interior line position mold insert in proper order in the little line position slider, be formed with the injection moulding position between interior line position internal extraction mold insert and the interior line position mold insert, the opposite side of big line position slider is equipped with the motion piece, be equipped with on the motion piece and pass little line position slider and interior line position internal extraction mold insert in proper order and imbed the interior line position connection mold insert in the screw thread injection molding block; the small slide block and the large slide block are matched with each other, the product is drawn out twice, the structure is simple, the product can be smoothly taken out without damaging the thread part of the product, and the production quality is greatly improved.

Description

Internal shrinkage cork structure of slide thread

Technical Field

The utility model belongs to the technical field of the mould, concretely relates to position screw thread internal contraction is with structure.

Background

When an injection molding product is processed, a plastic product with a transverse thread reverse buckle exists, the thread reverse buckle demolding characteristic is complex, if the plastic product is forcibly removed, the thread is easily damaged, a gear or chain tooth extraction mold structure is generally adopted in the prior art, but the gear or chain tooth extraction mold structure is complex, and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a line position screw thread internal contraction Ke structure.

The utility model discloses a realize like this: a line position thread internal contraction cork structure comprises a movable large line position slide block and a small line position slide block, wherein the small line position slide block slides on the surface of the large line position slide block, a fixed block is arranged on one side of the large line position slide block, a thread injection molding block is arranged on the fixed block, an internal line position insert is arranged between the thread injection molding block and the large line position slide block, an internal line position internal extraction insert sequentially penetrating through the large line position slide block and the internal line position insert is arranged in the small line position slide block, an injection molding position is formed between the internal line position internal extraction insert and the internal line position insert, a motion block is arranged on the other side of the large line position slide block, and an internal line position connection insert sequentially penetrating through the small line position slide block and the internal line position internal extraction insert and embedded into the thread injection molding block is arranged on the motion block.

Furthermore, the large slide block is L-shaped, the small slide block is connected to the horizontal edge of the large slide block in a sliding manner, a groove is formed in the vertical edge of the large slide block, and the inner slide insert is arranged in the groove.

The die is characterized by further comprising an inclined guide post, wherein the inclined guide post is arranged on the die panel through an installation block, and penetrates through the small slide block from top to bottom so as to drive the small slide block to move on the large slide block.

Furthermore, a positioner is arranged on the horizontal edge of the large slide block, a limiting block is further arranged in front of the positioner, and the small slide block moves between the positioner and the limiting block.

Furthermore, the locator includes the mounting, the mounting is embedded into locating in the mounting groove on the big line position slider level limit, sliding connection has the moving member in the mounting, the up end of moving member is equipped with the fixture block, the lower terminal surface of little line position slider be equipped with the constant head tank of fixture block looks adaptation.

Furthermore, the constant head tank is equipped with two, two the constant head tank is the setting from beginning to end respectively.

Furthermore, the inner slide inner-pulling insert is wide in front and narrow in back, and the narrow part of the inner slide inner-pulling insert is arranged close to the threaded injection molding block.

Furthermore, a clamping groove is formed in the thread injection molding block, threads are arranged at the front part of the clamping groove, the inner row position connecting insert extends into the clamping groove, the rear end of the inner row position connecting insert is arranged behind the threads, and the narrow part of the inner row position pulling insert extends into the clamping groove and abuts against the rear end of the inner row position connecting insert.

Furthermore, a stop block is further arranged on the large-row-position sliding block, a limit switch matched with the stop block is arranged on the die, and the large-row-position sliding block is stopped to move.

The utility model provides a pair of internal contraction of line position screw thread is with structure, little line position slider and big line position slider mutually support, divide twice to take out the product, and simple structure can deviate from the product smoothly under the condition that does not damage product screw thread part, improves production quality greatly.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention.

Fig. 1 is a schematic structural diagram provided by the present invention.

Fig. 2 is a top view of the structure provided by the present invention.

Fig. 3 is a side sectional view provided by the present invention.

Fig. 4 is a functional structure diagram of the inclined guide pillar in the utility model.

The reference numbers illustrate: 1. a large slide block; 11. a groove; 12. a fixing member; 13. a moving member; 14. a clamping block; 15. a limiting block; 16. mounting grooves; 17. a stopper; 2. a small slide block; 21. the insert is drawn in the inner slide; 22. positioning a groove; 3. a fixed block; 4. a threaded injection molding block; 41. a card slot; 5. an inner slide insert; 6. A motion block; 61. the inner slide is connected with the insert; 7. an inclined guide post; 71. mounting a block; 8. a limit switch; 9. and an oil cylinder.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Please refer to fig. 1-4, for the utility model discloses a line position screw thread internal contraction cork structure, including mobilizable big line position slider 1 and little line position slider 2, little line position slider 2 is in the surface slip of big line position slider 1, one side of big line position slider 1 is equipped with fixed block 3, be equipped with screw thread injection molding 4 on the fixed block 3, be equipped with interior line position mold insert 5 between screw thread injection molding 4 and big line position slider 1. Specifically, the large slide block 1 is in an L shape, the small slide block 2 is slidably connected to the horizontal edge of the large slide block 1, and further, the large slide block further comprises an inclined guide post 7, the inclined guide post 7 is arranged on the die panel through an installation block 71, the inclined guide post 7 penetrates through the small slide block 2 from top to bottom to drive the small slide block 2 to move on the large slide block, the inclined guide post 7 is preferably inclined forwards, and when the inclined guide post 7 opens the die upwards along with the die panel, the small slide block 2 is pushed to slide forwards. The horizontal edge of the large slide block 1 is provided with a positioner, the front of the positioner is further provided with a limiting block 15, the small slide block 2 is arranged between the positioner and the limiting block 15 to further limit the moving distance of the small slide block 2, so that the product is conveniently demoulded. Specifically, the locator includes mounting 12, mounting 12 is embedded into to locating in the mounting groove 16 on the level side of big line position slider 1, sliding connection has moving member 13 in mounting 12, the up end of moving member 13 is equipped with fixture block 14, the lower terminal surface of little line position slider 2 be equipped with the constant head tank 22 of fixture block 14 looks adaptation, constant head tank 22 is preferred to be equipped with two, two constant head tank 22 sets up around being respectively, restricts respectively little line position slider 2 is the removal forward or backward. When the small slide block 2 moves forward, the latch 14 extends into the fixed member 12 through the moving member 13, and the latch 14 at the front is separated from the positioning groove 22, that is, the small slide block 2 can slide forward until abutting against the limiting block 15, and until the latch 14 is embedded into the positioning groove 22 at the rear again. On the contrary, when the small slide 2 moves backward, the latch 14 is separated from the rear positioning groove 22 until the latch 14 is connected to the front positioning groove 22. In addition, a stop block 17 is further arranged on the large-row-position slide block 1, a limit switch 8 matched with the stop block 17 is arranged on the die, and the large-row-position slide block 1 stops moving in time, namely the stop block 17 is matched with the limit switch 8 to effectively limit the movement of the large-row-position slide block 1. The vertical edge of the large slide block 1 is provided with a groove 11, and the inner slide insert 5 is arranged in the groove 11.

The inner row position inner drawing insert 21 sequentially penetrating through the large row position sliding block 1 and the inner row position insert 5 is arranged in the small row position sliding block 2, an injection molding position is formed between the inner row position inner drawing insert 21 and the inner row position insert 5, the other side of the large row position sliding block 1 is provided with a moving block 6, and an inner row position connecting insert 61 sequentially penetrating through the small row position sliding block 2 and the inner row position inner drawing insert 21 and embedded into the thread injection molding block 4 is arranged on the moving block 6. Furthermore, a clamping groove 41 is formed in the thread injection molding block 4, threads are arranged at the front part of the clamping groove 41, the inner row position connecting insert 61 extends into the clamping groove 41, the rear end of the inner row position connecting insert 61 is arranged behind the threads, the narrow part of the inner row position inner drawing insert 21 extends into the clamping groove 41 and abuts against the rear end of the inner row position connecting insert 61, namely the injection molding position is formed among the inner row position inner drawing insert 21, the inner row position insert 5, the inner row position connecting insert 61 and the thread injection molding block 4, and a plastic product with a transverse thread reverse buckle is formed.

When the die is closed and injection-molded, the die panel drives the inclined guide post 7 to move downwards, the small slide block 2 is driven by the inclined guide post 7 to move backwards gradually until the small slide block abuts against the vertical edge of the large slide block 1, and the fixture block 14 is embedded into the positioning groove 22 positioned in front, so that the small slide block 2 is positioned, and at the moment, the inner slide inner-drawing insert 21 enters the inner slide insert 5 along the inner slide connecting insert 61 and abuts against the rear end surface of the inner slide connecting insert 61, so that an injection-molding position can be formed; on the contrary, when the mold is opened after the injection molding is completed, the mold panel drives the slant guide post 7 to move up, at this time, the small-row slide block 2 moves forward under the pushing of the slant guide post 7, and the inner-row inner-drawing insert 21 is drawn, specifically, the inner-row inner-drawing insert 21 is in a shape that is wide in front and narrow in back, the narrow portion of the inner-row inner-drawing insert 21 is arranged close to the thread injection block 4, when the narrow portion of the inner-row inner-drawing insert 21 moves forward, a wider gap is formed between the product and the inner-row inner-drawing insert 21, that is, the threaded portion of the product is buckled inward in the direction of the inner-row inner-drawing insert 21, so that the product is separated from the threaded portion of the thread injection block 4, that is, the threaded portion of the product contracts inward, until the small-row slide block 2 moves to abut against the limiting block 15, and the positioning groove 22 located behind is connected to the fixture block 14, thereby completing the first core drawing of the product, in this embodiment, the upper limit of the stroke of the small-row slide block 2 is 32mm. The large slide block 1 is preferentially driven by an oil cylinder 9 to move, specifically, after the small slide block 2 completes one core pulling, the large slide block 1 continues to move forward under the driving of the oil cylinder 9, at the moment, the small slide block 2 also continues to move along with the movement of the large slide block 1, at the moment, the inner slide connecting inserts 61 are separated from the clamping grooves 41, the product is driven to move forward, until the stop dog 17 moves to the position of the limit switch 8 along with the large slide block 1, at the moment, the large slide block 1 stops moving, and the product is demolded. The structure is simple to operate, the damage of the thread part of the product during demoulding can be preferentially avoided, and the production quality is further improved.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A slide thread internal shrinkage cock structure is characterized in that: the large-row-position slide block structure is characterized by comprising a movable large-row-position slide block (1) and a small-row-position slide block (2), wherein the small-row-position slide block (2) slides on the surface of the large-row-position slide block (1), a fixed block (3) is arranged on one side of the large-row-position slide block (1), a thread injection molding block (4) is arranged on the fixed block (3), an inner-row-position insert (5) is arranged between the thread injection molding block (4) and the large-row-position slide block (1), an injection molding position is formed between the inner-row-position insert (21) and the inner-row-position insert (5) and sequentially penetrates through the large-row-position slide block (1) and the inner-row-position insert (5), a motion block (6) is arranged on the other side of the large-row-position slide block (1), and an inner-row-position insert (61) which sequentially penetrates through the small-row-position slide block (2) and the inner-row-position insert (21) and is embedded into the thread injection molding block (4) is arranged on the motion block (6).

2. A row thread undercut configuration according to claim 1 wherein: the large-row-position slide block (1) is L-shaped, the small-row-position slide block (2) is connected to the horizontal edge of the large-row-position slide block (1) in a sliding mode, a groove (11) is formed in the vertical edge of the large-row-position slide block (1), and the inner-row-position insert (5) is arranged in the groove (11).

3. A slide thread undercut configuration according to claim 2, wherein: the die is characterized by further comprising an inclined guide post (7), wherein the inclined guide post (7) is arranged on the die panel through an installation block (71), and the inclined guide post (7) penetrates through the small slide block (2) from top to bottom to drive the small slide block (2) to move on the large slide block.

4. A slide thread undercut configuration according to claim 2, wherein: the horizontal edge of the large slide block (1) is provided with a positioner, the front of the positioner is further provided with a limiting block (15), and the small slide block (2) moves between the positioner and the limiting block (15).

5. The row thread undercut configuration of claim 4, wherein: the locator includes mounting (12), mounting (12) are embedded into to locating in mounting groove (16) on big line position slider (1) level limit, sliding connection has moving member (13) in mounting (12), the up end of moving member (13) is equipped with fixture block (14), the lower terminal surface of little line position slider (2) be equipped with fixture block (14) looks adaptation's constant head tank (22).

6. A slide thread undercut configuration according to claim 5, wherein: the positioning grooves (22) are two, and the two positioning grooves (22) are arranged in the front and back direction respectively.

7. A row thread undercut configuration according to claim 1 wherein: the inner-row-position inner-drawing insert (21) is wide in front and narrow in back, and the narrow part of the inner-row-position inner-drawing insert (21) is arranged close to the threaded injection molding block (4).

8. A threading internal taper structure according to claim 6, wherein: the thread injection molding block (4) is internally provided with a clamping groove (41), threads are arranged at the front part of the clamping groove (41), the inner row position connecting insert (61) extends into the clamping groove (41), the rear end of the inner row position connecting insert (61) is arranged behind the threads, and the narrow part of the inner row position inner pumping insert (21) extends into the clamping groove (41) and abuts against the rear end of the inner row position connecting insert (61).

9. A row thread undercut configuration according to claim 1 wherein: the large-row-position sliding block (1) is further provided with a stop block (17), a limit switch (8) matched with the stop block (17) is arranged on the die, and the large-row-position sliding block (1) is stopped from moving in time.