CN213500530U

CN213500530U - Stroke limiting mechanism of injection mold

Info

Publication number: CN213500530U
Application number: CN202022025681.0U
Authority: CN
Inventors: 魏俊辉
Original assignee: Qingdao Dingxin Precision Mould Co ltd
Current assignee: Qingdao Dingxin Precision Mould Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-06-22
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses an injection mold stroke stop gear, including the base, the top fixedly connected with bed die of base, the top of base and the top that is located the bed die are through support frame fixedly connected with pneumatic cylinder, and the bottom fixedly connected with of pneumatic cylinder output shaft goes up the mould, and the top of base and the equal fixedly connected with slide bar in the left and right sides that is located the bed die, and the fixed surface of slide bar is connected with a plurality of draw bars, the utility model relates to an injection mold technical field. This injection mold stroke stop gear through being equipped with the spacing ring, prevents that two grinding apparatus overstretches from leading to the drawing of patterns when dividing the mill, collides earlier by first buffer block and second buffer block when falling through last mould, and buffer spring is in compression state, plays the effect of buffering, the impact force between bed die and the last mould that has significantly reduced to through draw runner and spout phase-match, first buffer block slides more stably, thereby makes the bed die whereabouts more stable.

Description

Stroke limiting mechanism of injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold stroke stop gear.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection moulding is a processing method that uses when some complicated parts of shape of batch production, specifically indicates that the plastics that will be heated and melt are jetted into the die cavity by injection molding machine high pressure, after cooling solidification, obtains the finished product, and current injection mold often bumps between the grinding apparatus when closing the membrane, for this, the utility model provides an injection mold stroke stop gear.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an injection mold stroke stop gear to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a stroke limiting mechanism of an injection mold comprises a base, wherein the top of the base is fixedly connected with a lower mold, the top of the base and the upper part of the lower die are fixedly connected with a pneumatic cylinder through a support frame, the bottom end of the output shaft of the pneumatic cylinder is fixedly connected with an upper die, the top of the base and the left and right sides of the lower die are both fixedly connected with sliding rods, and the outer surface of the slide bar is fixedly connected with a plurality of slide bars, the outer surface of the slide bar is sleeved with a first buffer block, a second buffer block and a buffer spring from top to bottom in sequence, and the inner cavities of the first buffer block and the second buffer block are both provided with sliding chutes matched with the sliding strips, the opposite sides of the two first buffer blocks are both fixedly connected with one side of the upper die, and the inner cavities of the first buffer block and the second buffer block are in sliding connection with the outer surface of the slide rod, and the top end of the slide rod is fixedly connected with a limiting ring.

Preferably, the bottom end of the spring is fixedly connected with the top of the base, and the top end of the spring is fixedly connected with the bottom of the second buffer block.

Preferably, the bottom of the upper die is fixedly connected with a plurality of circular truncated cone type insertion rods, and the top of the lower die is provided with a plurality of circular truncated cone type slots matched with the circular truncated cone type insertion rods.

Preferably, a plurality of the sliding strips are distributed in a ring shape.

Advantageous effects

The utility model provides an injection mold stroke stop gear. Compared with the prior art, the method has the following beneficial effects:

(1) this injection mold stroke stop gear through being equipped with the spacing ring, prevents that two grinding apparatus overstretches from leading to the drawing of patterns when dividing the mill, collide earlier by first buffer block and second buffer block when falling through last mould, buffer spring is in compression state, plays the effect of buffering, the impact force between bed die and the last mould that has significantly reduced to through draw runner and spout phase-match, first buffer block slides more stably, thereby makes the bed die whereabouts more stable.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a bottom view of the first buffer block of the present invention.

In the figure: 1. a base; 2. a lower die; 3. a pneumatic cylinder; 4. an upper die; 5. a slide bar; 6. a slide bar; 7. A first buffer block; 8. a second buffer block; 9. a buffer spring; 10. a chute; 11. a circular truncated cone type inserted link; 12. A circular truncated cone type slot; 13. a limit ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an injection mold stroke stop gear, which comprises a base 1, the top fixedly connected with bed die 2 of base 1, the top of base 1 just is located bed die 2's top and passes through support frame fixedly connected with pneumatic cylinder 3, and the bottom fixedly connected with of pneumatic cylinder 3 output shaft goes up mould 4, the bottom fixedly connected with a plurality of round platform formula inserted bars 11 of going up mould 4, and the top of bed die 2 is seted up a plurality of round platform formula slots 12 with round platform formula inserted bar 11 assorted, through round platform formula inserted bar 11 and round platform formula slot 12 phase-match, play the effect of location direction when the compound die, and also play spacing effect, the top of base 1 just is located the equal fixedly connected with slide bar 5 in the left and right sides of bed die 2, and the outer fixed surface of slide bar 5 is connected with a plurality of draw runner 6, a plurality of draw runner 6 are the annular distribution, the outer surface cover of slide bar 5 is equipped with first buffer block 7 from top, The bottom end of the spring is fixedly connected with the top of the base 1, the top end of the spring is fixedly connected with the bottom of the second buffer block 8, the inner cavities of the first buffer block 7 and the second buffer block 8 are respectively provided with a sliding chute 10 matched with the sliding strip 6, one opposite sides of the two first buffer blocks 7 are respectively fixedly connected with one side of the upper die 4, the inner cavities of the first buffer block 7 and the second buffer block 8 are slidably connected with the outer surface of the sliding rod 5, the top end of the sliding rod 5 is fixedly connected with a limiting ring 13, the limiting ring 13 is arranged to prevent the two dies from being excessively stretched to cause demoulding when the dies are separated, the upper die 4 is collided by the first buffer block 7 and the second buffer block 8 when falling, the buffer spring 9 is in a compression state to play a buffering role, the impact force between the lower die 2 and the upper die 4 is greatly reduced, and the sliding strips 6 are matched with the sliding chutes 10, the first buffer block 7 slides more stably, thereby making the lower mold 2 fall more stably.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold stroke stop gear, includes base (1), top fixedly connected with bed die (2) of base (1), support frame fixedly connected with pneumatic cylinder (3) are passed through to the top of base (1) and the top that is located bed die (2), and the bottom fixedly connected with of pneumatic cylinder (3) output shaft goes up mould (4), its characterized in that: the top of base (1) just is located the equal fixedly connected with slide bar (5) in the left and right sides of bed die (2), and the outer fixed surface of slide bar (5) is connected with a plurality of draw runner (6), the surface from the top down of slide bar (5) is overlapped in proper order and is equipped with first buffer block (7), second buffer block (8) and buffer spring (9), and the inner chamber of first buffer block (7) and second buffer block (8) all seted up with draw runner (6) assorted spout (10), two one side that first buffer block (7) is relative all with one side fixed connection of last mould (4), and the inner chamber of first buffer block (7) and second buffer block (8) and the surface sliding connection of slide bar (5), the top fixedly connected with spacing ring (13) of slide bar (5).

2. The injection mold stroke limiting mechanism of claim 1, wherein: the bottom end of the spring is fixedly connected with the top of the base (1), and the top end of the spring is fixedly connected with the bottom of the second buffer block (8).

3. The injection mold stroke limiting mechanism of claim 1, wherein: the bottom of the upper die (4) is fixedly connected with a plurality of circular truncated cone type insertion rods (11), and the top of the lower die (2) is provided with a plurality of circular truncated cone type slots (12) matched with the circular truncated cone type insertion rods (11).

4. The injection mold stroke limiting mechanism of claim 1, wherein: the sliding strips (6) are distributed in a ring shape.