CN219311849U - Be applied to and prevent damage and bury movable mechanism of shaping five metals terminal - Google Patents

Abstract

The utility model relates to the technical field of injection molding equipment, in particular to a movable mechanism applied to preventing damage from being buried into a molding hardware terminal, which comprises an external insert, wherein the external insert is arranged in an insert groove of a rear die holder, the external insert comprises a movable slide insert and a fixed slide insert, a limiting locating piece is arranged between the movable slide insert and the fixed slide insert, a front die spring needle is arranged on a front die and opposite to the movable slide insert, a movable gap L1 exists between the movable slide insert and the fixed slide insert when the die is in a die closing state, and the minimum distance from the top end of the front die spring needle to the bottom wall in the insert groove is equal to the minimum distance between the movable slide insert and one side, away from the fixed slide insert, of the movable slide insert. According to the utility model, by arranging the positioning piece, the movable slide block insert is ensured to move perpendicular to the hardware during mold closing, the movable slide block insert is difficult to move up and down during mold opening, the movable slide block insert is prevented from scratching the hardware during mold closing, and the movable slide block insert is difficult to scoop the hardware during mold opening.

Description

Be applied to and prevent damage and bury movable mechanism of shaping five metals terminal

Technical Field

The utility model relates to the technical field of injection molding equipment, in particular to a movable mechanism applied to preventing damage to embedded molding hardware terminals.

Background

In a mold for molding embedded hardware terminals, most terminals are inserted into a movable insert first and then integrally placed in the mold. However, in many cases, due to the limitation of the product structure, the external movable insert cannot be used, the hardware terminal needs to be buried in the mold, then the mold is closed for injection molding, the hardware terminal is mounted on the rear mold insert in the injection molding process, the slider insert slides to the rear mold insert, the clamping of the hardware terminal is completed, the structure of the bottom of the injection molding cavity is completed, and finally the mold closing of the front mold and the rear mold is completed, so that the molding of the hardware terminal is completed.

However, in the mold opening process, the moving direction of the movable insert is single and is in clearance fit with the rear mold seat, the movable insert generally ensures interference fit for ensuring the sealing of the injection molding cavity, the movable insert is far away from the rear mold after the injection molding is finished, the movable insert is attached to the hardware terminal during clamping, so that the hardware terminal is directly scratched by the excessive movable insert, and meanwhile, the movable insert is in clearance fit, and after the injection molding is finished, the movable insert suddenly drops, so that the hardware terminal is scratched.

Therefore, a new technical scheme is required to be provided for solving the problem that the moving direction of the movable insert is single so as to scratch or shoveling the hardware terminal.

Disclosure of Invention

In view of the above, an object of the present utility model is to provide a movable mechanism for preventing damage to embedded metal terminals, which solves the above-mentioned problems.

According to the movable mechanism, the movable mechanism is used for preventing damage from being buried in a forming hardware terminal, the movable mechanism comprises a driving piece and an external insert arranged at the output end of the driving piece, the driving piece is used for driving the external insert to be close to a working position or return to an initial position, the external insert comprises a movable slide insert and a fixed slide insert, a positioning piece is arranged between the movable slide insert and the fixed slide insert and used for limiting the distance between the movable slide insert and the fixed slide insert, a front spring needle is arranged on a front die holder and opposite to the movable slide insert, a movable gap L1 is reserved between the movable slide insert and the fixed slide insert when the external insert is located at the working position, and the movable slide insert is attached to the fixed slide insert when the external insert is located at the initial position from the working position.

Preferably, the rear die holder is provided with an insert groove for installing the external insert, one side, opposite to the external insert, of the insert groove of the rear die holder is provided with an oil cylinder fixing block, the driving piece comprises a driving oil cylinder arranged on the oil cylinder fixing block, and the output end of the driving oil cylinder is provided with a sliding block seat for installing the external insert.

Preferably, the back die holder is detachably connected with a top block, the movable sliding block insert is provided with a top groove opposite to the top block, the fixed sliding block insert is provided with a through groove for the top block to pass through, the top groove is opposite to the inner wall of the top block, the top groove is provided with a top section and a reset section, the top section is arranged on one side, close to the hardware, of the through groove, and the distance from the top section to the back die holder is smaller than the distance from one side, away from the back die holder, of the top block to the back die holder.

Preferably, the contralateral of mold insert groove is provided with the mount pad, the setting element is installed on the mount pad, the setting element is spacing glass bead, spacing glass bead is including the mounting tube, set up in the mounting tube elastic component one and with elastic component one-end fixed connection's fixture block, set up the draw-in groove just to the fixture block on the movable slider mold insert, the length direction of draw-in groove is the same with external mold insert direction of motion, the guide inclined plane has been seted up along the both sides of draw-in groove width direction to the fixture block, works as when external mold insert is contradicted with the back mould mold insert or when the mould is in the die sinking state, the draw-in groove breaks away from the draw-in groove and contradicts with the lateral wall of movable slip mold insert.

Preferably, the front mould spring needle is provided with an elastic piece II, and one end of the elastic piece II, which is far away from the front spring needle, is fixedly connected to the front mould base.

Preferably, the mounting groove has been seted up on the sliding seat, set up the spacing groove with the mounting groove intercommunication on the movable slider mold insert, install the stopper that stretches into the spacing groove in the mounting groove, there is spacing clearance L2 between stopper and the lateral wall of spacing groove, the size of spacing clearance L2 equals the size of clearance L1.

Preferably, the sliding inclined plane has been seted up to one side that the kicking block kept away from the back die holder, the kicking groove is including seting up the rectangular channel of movable slider mold insert towards fixed slider mold insert one side and seting up the dysmorphism groove on rectangular channel just to its opening inner wall, the longitudinal section of dysmorphism groove is right triangle, the sliding inclined plane is contradicted with right triangle's hypotenuse.

Preferably, the movable sliding block insert and the fixed sliding block insert are provided with positioning grooves, and positioning blocks are fixedly connected with the movable sliding block insert and the fixed sliding block insert in a corresponding mode.

The utility model has the beneficial effects that: the external mold insert comprises a movable slide block mold insert and a fixed slide block mold insert, and a positioning block is arranged, so that the movable slide block mold insert and the fixed slide block mold insert are always provided with a movable gap L1 in the middle before mold closing, the relative position between the movable slide block mold insert and the hardware is prevented from being fixed, a front mold spring pin is pressed on the movable slide block mold insert during mold closing, the movable slide block mold insert is enabled to move vertically to the surface of the hardware and be attached to the hardware, the surface of the hardware is prevented from being scratched during sliding, the positioning block is clamped on two sides of the movable slide block mold insert during mold opening, the movable slide block is prevented from being displaced, and the movable slide block mold insert is prevented from being subjected to injection molding due to clearance fit and other conditions during mold opening.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a hidden back mold base and a mold insert according to the present utility model;

FIG. 3 is a schematic diagram of a hidden back mold base and a mold insert according to the present utility model;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is a cross-sectional view of an external insert of the present utility model in an operative position;

FIG. 6 is a second cross-sectional view of the external insert of the present utility model in an operative position;

FIG. 7 is a cross-sectional view I of the external insert of the present utility model as it is opened;

FIG. 8 is an enlarged schematic view of portion B of FIG. 7;

FIG. 9 is a second cross-sectional view of the external insert of the present utility model as it is opened;

FIG. 10 is a cross-sectional view of the external insert of the present utility model in an initial position;

FIG. 11 is a schematic view of a positioning member according to the present utility model;

FIG. 12 is a cross-sectional view of a positioning member according to the present utility model;

FIG. 13 is a schematic view of a fixed slider insert of the present utility model;

FIG. 14 is a schematic view of a movable slider insert according to one embodiment of the present utility model;

fig. 15 is a schematic diagram of a second embodiment of the movable slider insert according to the present utility model.

Marked in the figure as: 1. an external insert; 2. a rear die holder; 3. insert grooves; 4. a movable slider insert; 5. fixing the slider insert; 6. a positioning piece; 7. a front mould spring needle; 8. an oil cylinder fixing block; 9. a driving oil cylinder; 10. a slider seat; 11. a top block; 12. a top groove; 13. a through groove; 14. a mounting base; 15. installing a pipe; 16. an elastic piece I; 17. a clamping block; 18. a clamping groove; 19. a guide slope; 21. an elastic piece II; 22. a mounting groove; 23. a limit groove; 24. a limiting block; 25. a sliding inclined plane; 26. rectangular grooves; 27. a special-shaped groove; 28. a positioning groove; 29. a positioning block; 30. hardware.

Detailed Description

The present utility model will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent.

It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As shown in fig. 1-15, a movable mechanism for preventing damage to embedded and molded hardware terminals comprises an external insert 1, a rear die holder 2, a driving piece, a top block 11, a positioning piece 6 and a front die spring pin 7, wherein an insert groove 3 is formed in the rear die holder 2, the external insert 1 is arranged in the insert groove 3, one side of the insert groove 3 is communicated with one side of the rear die holder 2, the driving piece is arranged on one side of the insert groove 3, the top block 11 is detachably connected to the inner bottom wall of the insert groove 3, the positioning piece 6 is arranged on the opposite side wall of the insert groove 3, and the front die spring pin 7 is arranged on the front die holder.

As shown in the figure, a die core groove communicated with the insert groove 3 is formed in the rear die holder 2, a die core is arranged in the die core groove, a rear insert for containing hardware 30 is arranged on the die core, the hardware 30 is embedded in an installation groove 22 of the rear insert, an oil cylinder fixing block 8 is installed on one side, opposite to the hardware 30, of the insert groove 3, the oil cylinder fixing block 8 is installed on the rear die holder 2 through bolts, a driving piece comprises a driving oil cylinder 9 arranged on the oil cylinder fixing block 8, the output end of the driving oil cylinder 9 is arranged on the die core, a movable seat for installing the external insert 1 is installed on the output end of the driving oil cylinder 9, during operation, the output end of the driving oil cylinder 9 drives the external insert 1 on the slide seat 10 to move, the minimum stroke of the driving oil cylinder 9 is the initial position of the external insert 1, the maximum stroke of the driving oil cylinder 9 is the working position of the external insert 1, and accordingly the external insert 1 and the rear die insert are combined to form an injection cavity.

As shown in the figure, the external insert 1 comprises a movable slide insert 4 and a fixed slide insert 5, the fixed slide insert 5 is arranged on a slide seat 10 through bolts, positioning grooves 28 are formed in two sides of the movable slide insert 4, positioning blocks 29 are integrally connected to the movable seat and embedded in the positioning grooves 28, one side of the movable slide insert 4, which is close to the slide seat 10, is T-shaped, the positioning blocks 29 enable the movable slide insert 4 to keep relatively high precision with the slide seat 10, meanwhile, the movable slide insert 4 moves along with the slide seat when the slide seat slides, the positioning grooves 28 are further formed in the positions of the fixed slide insert 5 and the movable slide insert 4, which correspond to the positioning grooves 28, the positioning blocks 29 are further arranged at the positions of the fixed slide insert 5 and the movable slide insert 4, and the positioning blocks 29 embedded in the positioning grooves 28, so that the shake of the movable slide insert 4 and the fixed slide insert 5 in the sliding process is reduced, and gaps are prevented between the external insert 1 and a rear mold insert, and the quality of injection molding products is influenced.

As shown in the figure, the positioning piece 6 is arranged on two opposite sides of the insert groove 3, the opposite sides of the insert groove 3 are provided with mounting seats 14 for mounting the positioning piece 6, the mounting seats 14 are detachably connected to the rear die holder 2 through bolts, the positioning piece 6 is replaced through the mounting seats 14, the mounting seats 14 are modularized, the positioning piece 6 is a limiting glass bead, the limiting glass bead comprises a mounting tube 15, an elastic piece 16 arranged in the mounting tube 15 and a clamping block 17 fixedly connected with one end of the elastic piece 16, the mounting seats 14 are provided with accommodating grooves facing the movable slide block insert 4, the mounting tube 15 is sleeved on one side of the elastic piece 16 along the depth direction of the accommodating grooves, the clamping block 17 is fixedly connected with the mounting tube 15, the two sides of the movable slide block insert 4 are provided with clamping grooves 18 corresponding to the positions of the clamping blocks 17, the length direction of the clamping grooves 18 is identical to the moving direction of the external insert 1, the clamping blocks 17 and the clamping grooves 18 are triangular, the two sides of the clamping blocks 17 form guide inclined planes 19, when the clamping blocks 17 are embedded with the clamping grooves 18, and the sliding blocks 5 are embedded with the sliding blocks, and the sliding blocks are enabled to be enabled to move along the moving gap 30, and the moving gap between the sliding blocks 5 and the sliding blocks are enabled to be enabled to move along the moving gap 30, and the moving gap 30 is enabled to be enabled to move between the sliding blocks and the sliding blocks 5 and the sliding blocks to move along the gap 30.

As shown in the figure, be provided with front mould bullet needle 7 on the front die holder, the one end of front mould bullet needle 7 is contradicted on movable slider mold insert 4, thereby the one side that external mold insert 1 was kept away from to front mould bullet needle 7 is provided with second 21, through setting up front mould bullet needle 7 on the front die holder, when making front die holder and back die holder 2 in the compound die, front mould bullet needle 7 and movable slider mold insert 4 contact, thereby make front mould bullet needle 7 press on movable slider mold insert 4, because the upper and lower guide inclined plane 19 of fixture block 17, thereby make fixture block 17 break away from draw-in groove 18, and make movable slider mold insert 4 and fixed slider mold insert 5 mutually laminate, thereby movable slider system that key, fixed slider mold insert 5 and back mould insert enclose each other into the peripheral injection molding chamber of hardware 30, after the die opening, because fixture block 17 has broken away from draw-in groove 18, make movable slider mold insert 4 and fixed slider mold insert 5 keep the laminating and keep away from the back mould insert, thereby accomplish taking of the piece, because fixture block 17 is contradicted on movable slider mold insert 4 on both sides through the effect of first 16, because the upper and lower guide inclined plane 19 of fixture block 17 makes fixture block 17 break away from draw-in groove 18, and make movable slider insert 4 take place, thereby the clearance is difficult to the clearance between movable slider insert 4 and movable slider insert 4 through the clearance between the die insert 4 and the die insert 4, prevent that the problem of the clearance of the front die insert from moving die insert is formed by setting up, and the clearance is difficult for the movable slider insert 4.

As shown in the figure, the inner bottom wall of the insert groove 3 is detachably connected with an ejector block 11 through a bolt, the bottom of the movable slide insert 4 is provided with an ejector groove 12 facing the ejector block 11, the fixed slide insert 5 is provided with a through groove 13 penetrating the fixed slide insert, the through groove 13 is used for the ejector block 11 to penetrate through, the ejector groove 12 comprises a rectangular groove 26 formed on one side of the movable slide insert 4 facing the fixed slide insert 5 and a special-shaped groove 27 formed on the inner wall of the rectangular groove 26 facing the opening, the longitudinal section of the special-shaped groove 27 is a right triangle, the top of the ejector block 11 is provided with a sliding inclined surface 25, the sliding inclined surface 25 is abutted against the inclined side of the right triangle, the inclined side of the special-shaped groove 27 is divided into an ejector section and a reset section, the ejector section is arranged on one side of the through groove 13 close to the hardware 30, the distance from the ejector section to the rear die holder 2 is smaller than the distance from one side of the ejector block 11 to the rear die holder 2, when the external slide insert 1 moves from the initial position to the working position, a gap exists between the reset section of the ejector groove 12 and the sliding inclined surface 25 of the ejector block 11, when the external slide insert 4 moves towards the working position, the ejector section is enabled to be difficult to be influenced by the ejector section of the ejector block 11, and the ejector section is more stable than the ejector section is arranged on one side of the rear die holder 2, and the ejector section is more difficult to be abutted against the ejector section 2 to the ejector section 2 when the ejector section is located on the side of the front side of the die holder 2, which is far from the front die holder 2, and is far from the front side of the front die holder 2, and is far from the ejector section of the ejector section 2

As shown in the figure, the mounting groove 22 is formed in the sliding seat, the limit groove 23 communicated with the mounting groove 22 is formed in the movable sliding block insert 4, the limit block 24 extending into the limit groove 23 is arranged in the mounting groove 22, a limit gap L2 exists between the limit block 24 and the side wall of the limit groove 23, the size of the limit gap L2 is equal to that of the movable gap L1, the limit block 24 is used for limiting the detachment of the movable sliding block insert 4, and by setting the limit gap, the movable sliding block insert 4 is guaranteed to be pushed out by the jacking block 11, the movable sliding block insert 4 is just abutted against the limit block 24, the clamping of the limit block 24 and the jacking block 11 is guaranteed, the condition that the movable sliding block insert 4 is difficult to shake is guaranteed, and the working state can be guaranteed to be stable due to the clamping of the front die holder and the rear die holder 2, and the working stability is improved.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the utility model (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.

The present utility model is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.

Claims (8)

1. Be applied to and prevent damage and bury movable mechanism of shaping five metals terminal, a serial communication port, including driving piece and external mold insert (1) of setting on the driving piece output, driving piece is used for driving external mold insert (1) and is close to working position or return home position, external mold insert (1) include movable slide insert (4) and fixed slide insert (5), be provided with positioning piece (6) between movable slide insert (4) and fixed slide insert (5), positioning piece (6) are used for restricting the distance between movable slide insert (4) and the fixed slide insert (5), and the position of just facing movable slide insert (4) is provided with front mould bullet needle (7) on the front die holder, works as when external mold insert (1) is from home position to its working position, there is movable clearance L1 between movable slide insert (4) and the fixed slide insert (5), when external mold insert (1) are in working position, front mould bullet needle (7) promotes movable slide insert (4) and fixed slide insert (5) and laminating when the position is followed to fixed slide insert (5).

2. The movable mechanism applied to preventing damage of embedded forming hardware terminals according to claim 1, further comprising a rear die holder (2), wherein an insert groove (3) for installing an external insert (1) is formed in the rear die holder (2), an oil cylinder fixing block (8) is arranged on one side, opposite to the external insert (1), of the insert groove (3), the driving piece comprises a driving oil cylinder (9) arranged on the oil cylinder fixing block (8), a sliding block seat (10) for installing the external insert (1) is arranged at the output end of the driving oil cylinder (9), and the external insert (1) is arranged on the sliding block seat.

3. The movable mechanism for preventing damage from being buried into a formed hardware terminal according to claim 2, characterized in that a jacking block (11) is detachably connected to the rear die holder (2), a jacking groove (12) opposite to the jacking block (11) is formed in the movable sliding block insert (4), a through groove (13) for the jacking block (11) to pass through is formed in the fixed sliding block insert (5), an ejection section and a reset section are arranged on the inner wall of the jacking groove (12) opposite to the jacking block (11), the ejection section is arranged on one side, close to a die core, of the through groove (13), and the distance from the ejection section to the rear die holder (2) is smaller than the distance from one side, away from the rear die holder (2), of the jacking block (11) to the rear die holder (2).

4. The movable mechanism applied to the damage-prevention embedded forming hardware terminal is characterized in that an installation seat (14) is arranged on the opposite side of the insert groove (3), the positioning piece (6) is installed on the installation seat (14), the positioning piece (6) is a limiting glass bead, the limiting glass bead comprises an installation tube (15), an elastic piece I (16) arranged in the installation tube (15) and a clamping block (17) fixedly connected with one end of the elastic piece I (16), a clamping groove (18) opposite to the clamping block (17) is formed in the movable sliding block insert (4), the length direction of the clamping groove (18) is the same as the movement direction of the external insert (1), guide inclined planes (19) are formed in the two sides of the clamping block (17) along the width direction of the clamping groove (18), and when the external insert (1) is in contact with a rear mold insert or a mold opening state, the clamping groove (18) is separated from the clamping groove (18) and contacts with the side wall of the movable sliding insert.

5. The movable mechanism applied to the damage-prevention embedded forming hardware terminal according to claim 1, wherein the front die spring pin is provided with a second elastic piece (21), and one end of the second elastic piece (21) far away from the front die spring pin (7) is fixedly connected to the front die holder.

6. The movable mechanism applied to the damage-preventing embedded forming hardware terminal is characterized in that an installation groove (22) is formed in the sliding seat, a limit groove (23) communicated with the installation groove (22) is formed in the movable sliding block insert (4), a limit block (24) extending into the limit groove (23) is installed in the installation groove (22), a limit gap L2 is formed between the limit block (24) and the side wall of the limit groove (23), and the size of the limit gap L2 is equal to that of the movable gap L1.

7. A movable mechanism applied to preventing damage of embedded forming hardware terminals according to claim 3, characterized in that a sliding inclined plane (25) is formed on one side, far away from a rear die holder (2), of the top block (11), the top groove (12) comprises a rectangular groove (26) formed on one side, facing a fixed slider insert (5), of the movable slider insert (4), and a special-shaped groove (27) formed on the inner wall, facing the opening of the rectangular groove (26), the longitudinal section of the special-shaped groove (27) is a right triangle, and the sliding inclined plane (25) is in contact with the hypotenuse of the right triangle.

8. The movable mechanism applied to the damage prevention embedded forming hardware terminal according to claim 1, wherein positioning grooves (28) are formed in the movable sliding block insert (4) and the fixed sliding block insert (5), and positioning blocks (29) are fixedly connected to the movable sliding block insert (4) and the fixed sliding block insert (5) corresponding to the positioning grooves (28).

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