CN221985660U

CN221985660U - Pneumatic shaping clamp

Info

Publication number: CN221985660U
Application number: CN202420628662.2U
Authority: CN
Inventors: 蒋康; 查华利; 邢焰棋; 朱浩然; 蒋卓
Original assignee: Chengdu Homin Technology Co Ltd
Current assignee: Chengdu Homin Technology Co Ltd
Priority date: 2024-03-29
Filing date: 2024-03-29
Publication date: 2024-11-12
Anticipated expiration: 2034-03-29

Abstract

The utility model provides a pneumatic shaping clamp which comprises a bottom plate and a pressing block arranged above the bottom plate through an air cylinder, wherein an abdication groove is formed in the bottom surface of the pressing block, a first cavity matched with the pressing block and a second cavity used for placing an injection molding piece are formed in the surface of the bottom plate, a step-shaped structure is formed between the first cavity and the second cavity, a notch is formed in one side wall of the second cavity, a top block which is abutted to two side walls of the notch is arranged in the notch, the top surface of the top block is higher than the side wall of the second cavity, an adjusting mechanism is connected to the top block, and the height difference between the top surface of the top block and the side wall of the second cavity can be adjusted by the adjusting mechanism. The utility model can shape the bending deformation part of the injection molding piece just formed by injection molding, and ensures that the size and the flatness of the finished product of the injection molding piece meet the design requirements.

Description

Pneumatic shaping clamp

Technical Field

The utility model relates to the field of clamps, in particular to a pneumatic shaping clamp.

Background

When the injection molding part is molded, the temperature of the injection molding part is higher, so that the injection molding part is softer just after injection molding, and the injection molding part is easy to deform in the cooling and solidifying process. The injection molding part as shown in fig. 5, wherein an injection molding eye-splice is arranged on the surface of the injection molding part, after the injection molding, the bottom corresponding to the eye-splice is easy to collapse and bend under the gravity of the eye-splice to form a downward convex arc structure, and after the injection molding part is cooled and solidified, the flatness and the size of the finished product can deviate from the design size. Therefore, it is desirable to provide a fixture for shaping an injection molded article to ensure that the dimensions and flatness of the injection molded article meet design requirements.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provide an adjustable pneumatic shaping clamp to solve the technical problems in the prior art.

The aim of the utility model is realized by the following technical scheme:

The utility model provides a pneumatic plastic anchor clamps, includes the bottom plate and installs through the cylinder the briquetting of bottom plate top, the briquetting bottom surface is provided with the groove of stepping down, the bottom plate surface be equipped with briquetting complex first die cavity and be used for placing the second die cavity of injection molding, be step type structure between first die cavity and the second die cavity, be provided with the breach on the lateral wall of second die cavity, be provided with the kicking block of butt on breach both sides wall in the breach, the top surface height of kicking block is greater than the height of second die cavity lateral wall.

In the above summary, further, an adjusting mechanism for adjusting the height difference between the top surface of the top block and the side wall of the second cavity is connected to the top block, a sliding groove is provided on the bottom plate, the adjusting mechanism includes a push rod slidingly fitted in the sliding groove and a countersunk screw connected to one end of the push rod, a first inclined plane is provided at the other end of the push rod, and a second inclined plane matched with the first inclined plane is provided on the bottom surface of the top block.

In the above summary, further, a first accommodating groove is formed in the bottom of the push rod, a second accommodating groove corresponding to the first accommodating groove is formed in the upper surface of the sliding groove, and a return spring is sleeved in the second accommodating groove and the first accommodating groove.

In the above summary, further, the top surface of the top block is an arc structure.

In the above summary, further, a guide shaft is disposed on a surface of the first cavity, and a positioning shaft is disposed in the second cavity.

In the above summary of the utility model, further, a first cooling hole communicated with the second cavity is provided on a side wall of the bottom plate, and a second cooling hole communicated with the relief groove is provided on a side wall of the pressing block.

The beneficial effects of the utility model are as follows:

The utility model can shape the bending deformation part of the injection molding piece just formed by injection molding, and ensures that the size and the flatness of the finished product of the injection molding piece meet the design requirements.

Drawings

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

FIG. 2 is a schematic illustration of the mating of the present utility model with an injection molded part;

FIG. 3 is a cross-sectional view of FIG. 2 in accordance with the present utility model;

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

fig. 5 is a schematic structural view of an injection molded part.

In the figure, a 1-bottom plate, a 2-pressing block, a 3-cylinder, a 4-injection molding piece, a 5-top block, a 6-push rod, a 7-countersunk screw, an 8-return spring, a 110-first cavity, a 120-second cavity, a 130-sliding groove, 140-second accommodating groove, 150-guiding shaft, 160-positioning shaft, 170-first cooling hole, 210-abdication groove, 510-second inclined plane, 610-first inclined plane, 620-first accommodating groove.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.

It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

Examples:

The utility model provides a pneumatic plastic anchor clamps, is shown with reference to fig. 1-3, includes bottom plate 1 and installs through cylinder 3 briquetting 2 of bottom plate 1 top, briquetting 2 bottom surface is provided with the groove 210 of stepping down, bottom plate 1 surface be equipped with briquetting 2 complex first die cavity 110 and be used for placing injection molding 4's second die cavity 120, be step type structure between first die cavity 110 and the second die cavity 120, be provided with the breach on the lateral wall of second die cavity 120, be provided with the kicking block 5 of butt on breach both sides wall in the breach, the top surface height of kicking block 5 is greater than the height of second die cavity 120 lateral wall.

In the use process of the utility model, referring to fig. 2, the injection molding piece 4 just after injection molding is put into the second cavity 120, and the positioning shaft 160 is arranged in the second cavity 120, so that the injection molding piece 4 can be positioned conveniently. The cylinder 3 is operated to press the pressing block 2, and a guide shaft 150 is provided on the surface of the first cavity 110, and the guide shaft 150 can press and guide the pressing block 2. After the pressing block 2 is pressed down to the surface of the first cavity 110, the pressing block 2 fixes the injection molding piece 4 in the second cavity 120, and the top surface of the top block 5 is higher than the side wall of the second cavity 120, so that the bottom corresponding to the insert buckle of the injection molding piece 4 is lifted up to form an upward bulge by the top surface of the top block 5. Further, in order to avoid damaging the injection-molded part at the top of the top block, the top surface of the top block 5 is preferably designed to have an arc-shaped structure. The cylinder 3 is operated to enable the pressing block 3 to ascend, the injection molding piece 4 is taken out, the area, corresponding to the bottom, of the injection molding piece 4, protruding upwards can rebound under the action of resilience force of the injection molding piece 4, and finally the bottom part corresponding to the injection molding piece 4 is enabled to meet the requirement of flatness.

It should be noted that, in the above embodiment, considering that the protruding height of the top block 5 directly affects the flatness of the corresponding bottom portion of the insert-molded article 4, an adjusting mechanism for adjusting the height difference between the top surface of the top block 5 and the side wall of the second cavity 120 is further provided in the application. As shown in fig. 3, the application is provided with a chute 130 on the bottom plate 1, the adjusting mechanism comprises a push rod 6 which is in sliding fit with the chute 130 and a countersunk screw 7 which is connected with one end of the push rod 6, the other end of the push rod 6 is provided with a first inclined plane 610, and the bottom surface of the top block 5 is provided with a second inclined plane 510 which is matched with the first inclined plane 610. In the implementation process, the push rod 6 moves inwards by screwing the countersunk head screw 7 inwards, the top block 5 can move upwards under the action of the first inclined plane 610 and the second inclined plane 510, so that the extending height of the top block 5 is increased, further, a first accommodating groove 620 is formed in the bottom of the push rod 6, a second accommodating groove 140 corresponding to the first accommodating groove 620 is formed in the upper surface of the sliding groove 130, a reset spring 8 is sleeved in the second accommodating groove 140 and the first accommodating groove 620, and when the countersunk head screw 7 is screwed outwards, the push rod 6 can move outwards under the action of the reset spring 8, so that the extending height of the top block 5 is reduced. In the use process, the stretching height of the top block 5 can be adjusted according to the rebound amplitude of the bottom corresponding to the insert buckle of the injection molding piece 4, so that the bottom corresponding to the insert buckle of the injection molding piece 4 can rebound to the flatness required size.

In the above embodiment, further, with continued reference to fig. 1, the side wall of the bottom plate 1 is provided with the first cooling hole 170 that is communicated with the second cavity 120, the side wall of the pressing block 2 is provided with the second cooling hole 220 that is communicated with the abdication groove 210, and cold air can be sent to the second cavity 120 and the abdication groove 210 by connecting cold air cannulas to the first cooling hole 170 and the second cooling hole 220, so as to accelerate the cooling and forming of the injection molding piece 4.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. The utility model provides a pneumatic plastic anchor clamps, its characterized in that includes the bottom plate and installs through the cylinder the briquetting of bottom plate top, the briquetting bottom surface is provided with the groove of stepping down, the bottom plate surface be equipped with briquetting complex first die cavity and be used for placing the second die cavity of injection molding, be step type structure between first die cavity and the second die cavity, be provided with the breach on the lateral wall of second die cavity, be provided with the kicking block of butt on breach both sides wall in the breach, the top surface height of kicking block is greater than the height of second die cavity lateral wall.

2. The pneumatic shaping fixture of claim 1, wherein the top block is connected with an adjusting mechanism for adjusting the height difference between the top surface of the top block and the side wall of the second cavity, a chute is arranged on the bottom plate, the adjusting mechanism comprises a push rod slidingly matched in the chute and a countersunk screw connected to one end of the push rod, a first inclined surface is arranged at the other end of the push rod, and a second inclined surface matched with the first inclined surface is arranged on the bottom surface of the top block.

3. The pneumatic shaping fixture of claim 2, wherein a first accommodating groove is formed in the bottom of the push rod, a second accommodating groove corresponding to the first accommodating groove is formed in the upper surface of the sliding groove, and a return spring is sleeved in the second accommodating groove and the first accommodating groove.

4. The pneumatic shaping jig of claim 1 wherein the top surface of the top block is of arcuate configuration.

5. The pneumatic shaping jig of claim 1 wherein the surface of the first cavity is provided with a guide shaft and the second cavity is provided with a positioning shaft.

6. The pneumatic shaping fixture of claim 1, wherein the side wall of the bottom plate is provided with a first cooling hole communicated with the second cavity, and the side wall of the pressing block is provided with a second cooling hole communicated with the abdicating groove.