CN211662569U

CN211662569U - Ejector pin pushing device for plastic mold

Info

Publication number: CN211662569U
Application number: CN201921714758.6U
Authority: CN
Inventors: 侯科源
Original assignee: Shenzhen Houkeyuan Mould Co ltd
Current assignee: Shenzhen Houkeyuan Mould Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-10-13
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a thimble pushing device for a plastic mould, which belongs to the technical field of moulds and comprises a thimble fixing plate, a fixed mould plate and a motor, wherein thimble guide rods are fixedly arranged at four corners of the top of the thimble fixing plate, a plurality of thimble guide rods are fixedly arranged at the top of the fixed mould plate, a push plate is clamped at the bottom of the inner wall of the fixed mould plate, a plurality of push heads are fixedly arranged at the bottom of the push plate, the bottom of each push head is integrally formed with a thimble, a spring is sleeved at the outer wall of each thimble, a connecting frame is fixedly arranged at the bottom of each thimble, a threaded rod is fixedly arranged at the central position of the bottom of the connecting frame, the motor is fixedly arranged at the bottom of the thimble fixing plate, a gear disc is connected with a spline at the power output end of the motor, the gear disc is meshed with the threaded rod, and the utility model improves the, reducing wear and effectively protecting the comprehensive effect of the die.

Description

Ejector pin pushing device for plastic mold

Technical Field

The utility model relates to the technical field of mold, specifically be a thimble thrust unit for plastic mold.

Background

In the production process of plastic workpieces, a mold is often used, injection molding material molten liquid is added into a mold cavity of the mold to obtain a molded plastic workpiece, in the current mold design, a thimble is used for ejecting the molded plastic workpiece and the mold cavity, so that the separation of the plastic workpiece and a fixed mold plate is realized, but in the current molded product made of special plastic raw materials, the surface of the mold cavity in the mold is damaged when the molded product is cooled or after the mold is used for a long time, so that the molded plastic workpiece and the surface of the mold are bonded.

Thimble thrust unit among the prior art leads to the damage of mould easily, and the efficiency that promotes simultaneously is relatively poor, and the precision that promotes remains to be improved, produces great wearing and tearing easily, consequently needs research and development a thimble thrust unit for plastic mold.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the problems existing in the prior art, the utility model discloses.

Therefore, the utility model aims at providing a thimble thrust unit for plastic mold can improve the precision of production efficiency and promotion, and reducing wear is effectual protection mould simultaneously.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

the utility model provides a thimble thrust unit for plastic mold, its includes thimble fixed plate, fixed die plate and motor, the top four corners fixed mounting of thimble fixed plate has the thimble guide arm, and is a plurality of the top fixed mounting of thimble guide arm the fixed die plate, the inner wall bottom joint of fixed die plate has the push pedal, a plurality of pushing heads of bottom fixed mounting of push pedal, the bottom integrated into one piece of pushing head has the thimble, and is a plurality of the spring has been cup jointed to the outer wall of thimble, and is a plurality of the bottom fixed mounting of thimble has the link, the bottom central point fixed mounting of link has the threaded rod, the bottom fixed mounting of thimble fixed plate the motor, the power take off part spline of motor couples there is the toothed disc, the toothed disc with the threaded rod meshing is connected.

As a preferred scheme of thimble thrust unit for plastic mold, wherein: the middle part of the thimble fixing plate is provided with a through hole, and the threaded rod is inserted into the inner wall of the through hole.

As a preferred scheme of thimble thrust unit for plastic mold, wherein: the bottom of the inner wall of the fixed template is provided with a funnel groove, and the funnel groove is attached and connected with the pushing head.

As a preferred scheme of thimble thrust unit for plastic mold, wherein: the center of the bottom of the fixed template is provided with a hole.

As a preferred scheme of thimble thrust unit for plastic mold, wherein: the motor is a speed reducing motor.

As a preferred scheme of thimble thrust unit for plastic mold, wherein: the bottom of link bonds has the protection pad, the protection pad is rubber protection pad.

Compared with the prior art, the beneficial effects of the utility model are that: utilize the motor drive threaded rod, realize the removal of threaded rod upper and lower direction, utilize the threaded rod transmission to give link, thimble and pusher simultaneously, utilize the pusher to promote the push pedal and carry out the removal of upper and lower direction to improved the precision of production efficiency and promotion, reduce wear, simultaneously effectual protection mould.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

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

fig. 2 is a schematic structural view of the utility model during ejection;

fig. 3 is a schematic structural diagram of the present invention.

In the figure: 100 thimble fixing plates, 110 thimble guide rods, 120 through holes, 200 fixed mould plates, 210 push plates, 220 push heads, 230 thimbles, 240 springs, 250 connecting frames, 260 threaded rods, 300 motors and 310 gear plates.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a following technical scheme: an ejector pin pushing device for a plastic mold, which improves production efficiency and pushing precision, reduces abrasion and effectively protects the mold in the using process, please refer to fig. 1, and comprises an ejector pin fixing plate 100, a fixed mold plate 200 and a motor 300;

referring to fig. 1 and 2, the thimble fixing plate 100 has a thimble guide rod 110 and a through hole 120, specifically, four corners of the top of the thimble fixing plate 100 are fixedly welded with the thimble guide rod 110, the middle of the thimble fixing plate 100 is provided with the through hole 120, and the thimble fixing plate 100 is used for fixedly mounting a fixed die plate 200 and a motor 300;

referring to fig. 1 and 2 again, the fixed mold plate 200 has a push plate 210, push heads 220, push pins 230, springs 240, a connecting frame 250, and a threaded rod 260, the fixed mold plate 200 is installed on the top of the push pin fixing plate 100, specifically, the top of the four push pin guide rods 110 is fixedly welded to the fixed mold plate 200, the push plate 210 is fastened to the bottom of the inner wall of the fixed mold plate 200, the four push heads 220 are fixedly installed at the bottom of the push plate 210 through bolts, the push pins 230 are integrally formed at the bottom of the push heads 220, the springs 240 are sleeved on the outer walls of the plurality of push pins 230, the connecting frame 250 is fixedly welded to the bottom of the four push pins 230, the threaded rod 260 is fixedly welded to the bottom center position of the connecting frame 250, the threaded rod 260 is inserted into the inner wall of the through hole 120, a funnel groove is formed at the bottom of the inner wall of the fixed mold plate 200, the funnel groove is connected, a protective pad is bonded at the bottom of the connecting frame 250, and the protective pad is a rubber protective pad;

referring to fig. 1-3, the motor 300 has a gear plate 310, the motor 300 is mounted at the bottom of the thimble fixing plate 100, specifically, the motor 300 is fixedly mounted at the bottom of the thimble fixing plate 100 by bolts, the gear plate 310 is spline-coupled to a power output end of the motor 300, the gear plate 310 is engaged with the threaded rod 260, and the motor 300 is a speed reduction motor;

in specific use, as needs the utility model discloses at first utilize motor drive threaded rod 260 at the in-process that uses, realize the removal of threaded rod 260 upper and lower direction, utilize threaded rod 260 transmission to give link 250, thimble 230 and push head 220 simultaneously, utilize push head 220 to promote push pedal 210 and carry out the removal of upper and lower direction, the through-hole of seting up simultaneously in the bottom of fixed die plate 200 is used for realizing exhausting and breathing in.

The number of the thimble guide 110, the push head 220 and the thimble 230 is not limited to the specific number described in the embodiment, and the number thereof may be increased or decreased as required.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a thimble thrust unit for plastic mold which characterized in that: the thimble structure comprises a thimble fixing plate (100), a fixed die plate (200) and a motor (300), wherein thimble guide rods (110) are fixedly mounted at four corners of the top of the thimble fixing plate (100), the fixed die plate (200) is fixedly mounted at the tops of the thimble guide rods (110), a push plate (210) is clamped at the bottom of the inner wall of the fixed die plate (200), a plurality of push heads (220) are fixedly mounted at the bottom of the push plate (210), thimbles (230) are integrally formed at the bottom of the push heads (220), springs (240) are sleeved on the outer walls of the thimbles (230), a connecting frame (250) is fixedly mounted at the bottom of the thimbles (230), a threaded rod (260) is fixedly mounted at the central position of the bottom of the connecting frame (250), the motor (300) is fixedly mounted at the bottom of the thimble fixing plate (100), and a gear disc (310) is connected with a spline at, the gear disc (310) is in meshed connection with the threaded rod (260).

2. The ejector pin pushing device for the plastic mold according to claim 1, wherein: the middle part of the thimble fixing plate (100) is provided with a through hole (120), and the threaded rod (260) is inserted into the inner wall of the through hole (120).

3. The ejector pin pushing device for the plastic mold according to claim 1, wherein: the bottom of the inner wall of the fixed template (200) is provided with a funnel groove, and the funnel groove is attached and connected with the push head (220).

4. The ejector pin pushing device for the plastic mold according to claim 1, wherein: the center of the bottom of the fixed template (200) is provided with 270.

5. The ejector pin pushing device for the plastic mold according to claim 1, wherein: the motor (300) is a speed reduction motor.

6. The ejector pin pushing device for the plastic mold according to claim 1, wherein: the bottom of the connecting frame (250) is bonded with a protective pad, and the protective pad is a rubber protective pad.