CN210791951U

CN210791951U - Clamping mechanism of injection molding machine

Info

Publication number: CN210791951U
Application number: CN201921888728.7U
Authority: CN
Inventors: 李文清
Original assignee: Qingdao Yingxin Precision Mould Co ltd
Current assignee: Qingdao Yingxin Precision Mould Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-19
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses an injection molding machine clamping mechanism, including the injection molding machine body, the inside swing joint of injection molding machine body is located the left connecting plate of injection molding machine body output, the inside of injection molding machine body output is provided with the pull rod body. This injection molding machine clamping mechanism, through the movable mould with the thrust that the pneumatic cylinder released turn into reaction force and make the pneumatic cylinder drive the connecting plate and move left, the connecting plate passes through the supporting shoe pulling traction lever at the in-process that removes, traction lever pulling crank uses the axostylus axostyle to revolve as the axle center in opposite directions, when traction lever and crank from the slope place the removal for the level when placing, the user opens clamping mechanism and dies the pull rod body lock, thereby reach the effect of eliminating the mould gap, in the actual processing, produce the gap and can't eliminate at the mode locking in-process easily between the mould at the closure in-process, thereby lead to the problem of mode locking effect variation, this injection molding machine clamping mechanism, possess advantages such as elimination.

Description

Clamping mechanism of injection molding machine

Technical Field

The utility model relates to an injection molding machine technical field specifically is an injection molding machine clamping mechanism.

Background

An injection moulding machine, also known as injection moulding machine or injection machine, is a main moulding equipment for making thermoplastic plastics or thermosetting plastics into various shapes of plastic products by using plastic moulding mould, and is divided into vertical, horizontal and full-electric types, the injection moulding machine can heat the plastics, apply high pressure to the molten plastics to make it be injected into mould cavity, the working principle of the injection moulding machine is that the plasticized molten plastics, i.e. viscous state, is injected into the closed mould cavity by means of the thrust of screw or plunger, and then the product is obtained after solidification and moulding.

Injection molding machine mode locking is the pull rod mode locking mode mostly, adopts high-pressure oil to promote the mode locking piston and carries out the band-type brake to the injection molding machine pull rod, and the annular tooth in the mode locking piston meshes with the locking annular tooth on the pull rod mutually, forms high-efficient mode locking, but in actual processing, produces the gap and can't eliminate at the mode locking in-process easily between the mould at the closure in-process to lead to the mode locking effect variation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an injection molding machine clamping mechanism possesses advantages such as elimination mould gap, has solved in actual processing, produces the gap and can't eliminate at the mode locking in-process easily between the mould at closed in-process to lead to the problem of mode locking effect variation.

(II) technical scheme

In order to achieve the above object, the present invention provides the following technical solutions: a clamping mechanism of an injection molding machine comprises an injection molding machine body, wherein a connecting plate positioned on the left side of the output end of the injection molding machine body is movably connected inside the injection molding machine body, a pull rod body is arranged inside the output end of the injection molding machine body, the output end of the injection molding machine body consists of a movable mold and a static mold, one end, far away from the injection molding machine body, of the pull rod body penetrates through the injection molding machine body and is fixedly connected with the connecting plate, a hydraulic cylinder is fixedly connected inside the connecting plate, the output end of the hydraulic cylinder is fixedly connected with a bearing frame positioned on the right side of the connecting plate, the right side of the bearing frame is fixedly connected with the left side of the output end of the injection molding machine body, supporting blocks are fixedly connected to the top and, the inner side of the supporting block is movably connected with a traction rod through a pin shaft, one end, far away from the supporting block, of the traction rod is movably connected with the left end of the crank through the pin shaft, a shaft rod located inside the crank is fixedly connected inside the positioning block, and the shaft rod is movably connected with the crank.

Preferably, the surface of the shaft rod is sleeved with a gasket positioned on the outer side of the crank, and the surfaces of the crank and the positioning block are in contact with the surface of the gasket.

Preferably, the outer sides of the positioning block and the supporting block are fixedly connected with a support, and the output end of the injection molding machine body and the right side of the connecting plate are fixedly connected with the surface of the support.

Preferably, the right side of the connecting plate is fixedly connected with a protective sleeve sleeved on the surface of the hydraulic cylinder, the inner surface of the protective sleeve is in contact with the surface of the hydraulic cylinder, and the protective sleeve is made of damping materials.

Preferably, the air cylinder is fixedly connected to the left side of the inner wall of the bearing frame, the output end of the air cylinder penetrates through the output end of the injection molding machine body and extends to the inside of the output end of the injection molding machine body, and the air cylinder is movably connected with the output end of the injection molding machine body.

Preferably, the right side of the hydraulic cylinder is fixedly connected with a pressure spring sleeved on the surface of the output shaft of the hydraulic cylinder, and one side of the pressure spring, far away from the hydraulic cylinder, is fixedly connected with the left side of the bearing frame.

(III) advantageous effects

Compared with the prior art, the utility model provides an injection molding machine clamping mechanism possesses following beneficial effect:

1. this injection molding machine clamping mechanism, through the movable mould with the thrust that the pneumatic cylinder released turn into reaction force and make the pneumatic cylinder drive the connecting plate and move left, the connecting plate passes through the supporting shoe pulling traction lever at the in-process that removes, traction lever pulling crank uses the axostylus axostyle to revolve as the axle center in opposite directions, when traction lever and crank from the slope place the removal for the level when placing, the user opens clamping mechanism and dies the pull rod body lock, thereby reach the effect of eliminating the mould gap, in the actual processing, produce the gap and can't eliminate at the mode locking in-process easily between the mould at the closure in-process, thereby lead to the problem of mode locking effect variation, this injection molding machine clamping mechanism, possess advantages such as elimination.

2. The mold locking mechanism of the injection molding machine can reduce the friction between the crank and the positioning block by arranging the gasket, can improve the stability of the crank, reduce the vibration generated in the using process of the crank, can play a supporting effect on the positioning block and the supporting block by arranging the bracket, prevent the fracture of the joint of the positioning block and the supporting block, the pressure which can be born by the positioning block and the supporting block can be increased, the contact area between the hydraulic cylinder and the connecting plate can be increased by arranging the protective sleeve, can reduce the vibration generated by the hydraulic cylinder and achieve the buffering effect, can facilitate the users to discharge the production parts by arranging the air cylinder, improves the discharging efficiency of the injection molding machine body, is convenient for the users to operate, through setting up the pressure spring, can prevent that pneumatic cylinder and bearing frame from bumping, can reduce the pneumatic cylinder and remove the wearing and tearing that produce when excessive and with the contact of bearing frame.

Drawings

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

FIG. 2 is a schematic sectional view of the partial structure of the present invention;

FIG. 3 is a schematic top view of the partial structure of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: the injection molding machine comprises an injection molding machine body 1, a connecting plate 2, a pull rod body 3, a hydraulic cylinder 4, a bearing frame 5, a supporting block 6, a positioning block 7, a crank 8, a traction rod 9, a shaft rod 10, a gasket 11, a support 12, a protective sleeve 13, an air cylinder 14 and a pressure spring 15.

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. 1-4, a mold locking mechanism of an injection molding machine comprises an injection molding machine body 1, a connecting plate 2 located on the left side of the output end of the injection molding machine body 1 is movably connected inside the injection molding machine body 1, a pull rod body 3 is arranged inside the output end of the injection molding machine body 1, the output end of the injection molding machine body 1 is composed of a movable mold and a static mold, one end of the pull rod body 3, far away from the injection molding machine body 1, penetrates through the injection molding machine body 1 and is fixedly connected with the connecting plate 2, a hydraulic cylinder 4 is fixedly connected inside the connecting plate 2, a protecting sleeve 13 is fixedly connected to the right side of the connecting plate 2 and is sleeved on the surface of the hydraulic cylinder 4, the inner surface of the protecting sleeve 13 is in contact with the surface of the hydraulic cylinder 4, the protecting sleeve 13 is made of damping material, the output end of the hydraulic cylinder 4 is fixedly connected with a bearing frame 5 positioned on the right side of the connecting plate 2, the right side of the hydraulic cylinder 4 is fixedly connected with a pressure spring 15 sleeved on the surface of an output shaft of the hydraulic cylinder 4, one side of the pressure spring 15 far away from the hydraulic cylinder 4 is fixedly connected with the left side of the bearing frame 5, the hydraulic cylinder 4 can be prevented from colliding with the bearing frame 5 by arranging the pressure spring 15, the abrasion of the hydraulic cylinder 4 generated when the hydraulic cylinder 4 moves excessively and contacts with the bearing frame 5 can be reduced, the right side of the bearing frame 5 is fixedly connected with the left side of the output end of the injection molding machine body 1, the left side of the inner wall of the bearing frame 5 is fixedly connected with a material discharging cylinder 14, the output end of the material discharging cylinder 14 penetrates through the output end of the injection molding machine body 1 and extends to the inner part of the, the injection molding machine is convenient for a user to operate, supporting blocks 6 are fixedly connected to the top and the bottom of the right side of the connecting plate 2, positioning blocks 7 are fixedly connected to the top and the bottom of the left side of the output end of the injection molding machine body 1, supports 12 are fixedly connected to the outer sides of the positioning blocks 7 and the supporting blocks 6, the output end of the injection molding machine body 1 and the right side of the connecting plate 2 are fixedly connected to the surfaces of the supports 12, the supports 12 are arranged to support the positioning blocks 7 and the supporting blocks 6, the connecting parts of the positioning blocks 7 and the supporting blocks 6 are prevented from being broken, the pressure which can be borne by the positioning blocks 7 and the supporting blocks 6 can be increased, cranks 8 are movably connected to the inner sides of the positioning blocks 7, traction rods 9 are movably connected to the inner sides of the supporting blocks 6 through pin shafts, one ends, far away, axostylus axostyle 10 and crank 8 swing joint, the surface cover of axostylus axostyle 10 is equipped with the gasket 11 that is located the crank 8 outside, the surface of crank 8 and locating piece 7 all with the surface contact of gasket 11, through setting up gasket 11, can reduce the friction of crank 8 and locating piece 7, can improve crank 8's stability, reduce the vibrations that crank 8 produced in the use.

When in use, a user pulls the connecting plate 2 to move rightwards through the pull rod body 3, the connecting plate 2 drives the movable die to move rightwards through the bearing frame 5 and is contacted with the static die, when the movable mold and the static mold are contacted with each other, a user opens the hydraulic cylinder 4, the hydraulic cylinder 4 drives the bearing frame 5 to move rightwards, so that the bearing frame 5 extrudes the movable mold, meanwhile, the gap between the movable die and the static die is eliminated, when the movable die and the static die are completely attached, the movable die converts the thrust released by the hydraulic cylinder 4 into a reaction force and enables the hydraulic cylinder 4 to drive the connecting plate 2 to move leftwards, the connecting plate 2 pulls the draw bar 9 through the supporting block 6 in the moving process, the draw bar 9 pulls the crank 8 to rotate oppositely by taking the shaft rod 10 as the axis, when the draw bar 9 and the crank 8 are horizontally placed from the inclined placement, a user opens the mold locking mechanism to lock the draw bar body 3, so that the effect of eliminating the mold gap is achieved.

In conclusion, the mold locking mechanism of the injection molding machine converts the thrust released by the hydraulic cylinder 4 into the reaction force through the movable mold, and enables the hydraulic cylinder 4 to drive the connecting plate 2 to move leftwards, the connecting plate 2 pulls the draw bar 9 through the supporting block 6 in the moving process, the draw bar 9 pulls the crank 8 to rotate in opposite directions by taking the shaft rod 10 as the axis, when the draw bar 9 and the crank 8 move from the inclined position to the horizontal position, a user opens the mold locking mechanism to lock the draw bar body 3, so that the effect of eliminating the mold gap is achieved, the problems that in the actual processing, gaps are easily generated between molds in the closing process and cannot be eliminated in the mold locking process, and the mold locking effect is poor are solved.

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 molding machine clamping mechanism, includes injection molding machine body (1), its characterized in that: the injection molding machine comprises an injection molding machine body (1), wherein a connecting plate (2) positioned on the left side of the output end of the injection molding machine body (1) is movably connected inside the injection molding machine body (1), a pull rod body (3) is arranged inside the output end of the injection molding machine body (1), the output end of the injection molding machine body (1) consists of a movable mold and a static mold, one end, far away from the injection molding machine body (1), of the pull rod body (3) penetrates through the injection molding machine body (1) and is fixedly connected with the connecting plate (2), a hydraulic cylinder (4) is fixedly connected inside the connecting plate (2), a bearing frame (5) positioned on the right side of the connecting plate (2) is fixedly connected with the right side of the bearing frame (5) and the left side of the output end of the injection molding machine body (1), supporting blocks (6) are fixedly connected with the top and the bottom on the right side, the inner side of the positioning block (7) is movably connected with a crank (8), the inner side of the supporting block (6) is movably connected with a traction rod (9) through a pin shaft, one end, far away from the supporting block (6), of the traction rod (9) is movably connected with the left end of the crank (8) through a pin shaft, a shaft lever (10) located inside the crank (8) is fixedly connected inside the positioning block (7), and the shaft lever (10) is movably connected with the crank (8).

2. The mold clamping mechanism of an injection molding machine according to claim 1, wherein: the surface of the shaft rod (10) is sleeved with a gasket (11) positioned on the outer side of the crank (8), and the surfaces of the crank (8) and the positioning block (7) are in contact with the surface of the gasket (11).

3. The mold clamping mechanism of an injection molding machine according to claim 1, wherein: the outer sides of the positioning block (7) and the supporting block (6) are fixedly connected with a support (12), and the output end of the injection molding machine body (1) and the right side of the connecting plate (2) are fixedly connected with the surface of the support (12).

4. The mold clamping mechanism of an injection molding machine according to claim 1, wherein: the right side fixedly connected with cover of connecting plate (2) is established at lag (13) on pneumatic cylinder (4) surface, lag (13) internal surface and the surface contact of pneumatic cylinder (4), the material of lag (13) is the damping.

5. The mold clamping mechanism of an injection molding machine according to claim 1, wherein: the left side fixedly connected with cylinder (14) of bearing frame (5) inner wall, the output of cylinder (14) runs through the output of injection molding machine body (1) and extends to the inside of injection molding machine body (1) output, cylinder (14) and the output swing joint of injection molding machine body (1).

6. The mold clamping mechanism of an injection molding machine according to claim 1, wherein: the right side fixedly connected with cover of pneumatic cylinder (4) is established pressure spring (15) at pneumatic cylinder (4) output shaft surface, one side that pneumatic cylinder (4) were kept away from in pressure spring (15) and the left side fixed connection of bearing frame (5).