CN218230901U

CN218230901U - Three-jaw connecting rod clamping device

Info

Publication number: CN218230901U
Application number: CN202222630710.5U
Authority: CN
Inventors: 韩中永; 李朝旭
Original assignee: Jiangsu Sanli Shengxin Engineering Technology Co ltd
Current assignee: Jiangsu Sanli Shengxin Engineering Technology Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-01-06
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a device is got to three-jaw connecting rod clamp, include: a device main body; the driving assembly is arranged on the device main body and comprises a driving piece and a push rod connected with the output end of the driving piece; the clamping assembly is connected with the driving assembly and comprises a sliding plate, a fixed plate positioned below the sliding plate and three clamping pieces respectively connected with the sliding plate and the fixed plate, the sliding plate is also connected with the push rod, any one of the clamping pieces comprises a claw finger, a first connecting rod respectively connected with the claw finger and the sliding plate and a second connecting rod respectively connected with the claw finger and the fixed plate, and the claw finger is rotationally connected with the first connecting rod and the second connecting rod; when the cylindrical material cake part needs to be clamped, the driving piece drives the push rod and the sliding plate to move towards the cylindrical material cake part, and the first connecting rod, the claw fingers and the second connecting rod work cooperatively to enable the three claws to contract inwards; the problems that the clamping of the traditional two-jaw type clamping jaw is unstable and the clamping range of the three-jaw type clamping jaw is limited can be solved.

Description

Three-jaw connecting rod clamping device

Technical Field

The utility model relates to a device is got to three-jaw connecting rod clamp belongs to mould injection molding technical field.

Background

After the injection molding machine finishes injecting the injection molding piece, the injection molding piece needs to be taken out of a mold cavity of the injection molding machine by using a special clamping device. The injection molding part generally has a cylindrical cake part, and correspondingly, a two-claw type or three-claw type clamping jaw is used for clamping the cake part on the clamping device so as to improve the stability of the moving process of the injection molding part. However, the conventional two-jaw type clamping jaw has a poor clamping effect, a cake is prone to slip off in the clamping process, the conventional three-jaw type clamping jaw has strict requirements on the size of the cake portion, and once the size of the cake portion is larger than a size threshold value at which the three-jaw type clamping jaw can be opened, the three-jaw type clamping jaw cannot clamp the cake portion.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device is got to three-jaw connecting rod clamp can solve traditional two claw type clamping jaw centre gripping unstability, the limited problem of three claw type clamping jaw centre gripping scope.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a three-jaw connecting rod clamping device is used for clamping a cylindrical material cake part on an injection molding part, and the cylindrical material cake part is positioned right below the device; the device comprises:

a device main body;

the driving assembly is arranged on the device main body and comprises a driving piece and a push rod connected with the output end of the driving piece;

the clamping assembly is connected with the driving assembly and comprises a sliding plate, a fixed plate positioned below the sliding plate and three clamping pieces respectively connected with the sliding plate and the fixed plate, the sliding plate is also connected with the push rod, any one of the clamping pieces comprises a claw finger, a first connecting rod respectively connected with the claw finger and the sliding plate and a second connecting rod respectively connected with the claw finger and the fixed plate, and the claw finger is rotatably connected with the first connecting rod and the second connecting rod;

when the cylindrical cake part needs to be clamped, the driving piece drives the push rod and the sliding plate to move towards the cylindrical cake part, and the first connecting rod, the claw fingers and the second connecting rod work cooperatively to enable the three claw fingers to contract inwards.

Optionally, the driving assembly further comprises a mounting plate, the mounting plate is connected to the driving member, a through hole is formed in the mounting plate, and the push rod penetrates through the through hole and is connected to the sliding plate.

Optionally, the clamping assembly further includes a guide post, the guide post is connected to the mounting plate and the fixed plate, and the sliding plate is disposed on the guide post in a penetrating manner and can move up and down along the guide post.

Optionally, the clamping piece further comprises a third connecting rod, the third connecting rod is respectively connected with the claw finger and the fixing plate, and the third connecting rod is parallel to the second connecting rod.

Optionally, three of the clamping members are evenly distributed along the circumferential direction.

Optionally, the claw finger comprises a main body portion and a clamping portion connected with the main body portion, and the clamping portion is located at an end opposite to the first connecting rod.

Optionally, the clamping portion has a projection projecting in a direction of a central axis of the device.

Optionally, the inner side of the bump is provided with an anti-slip pattern.

The beneficial effects of the utility model reside in that: the utility model provides a device is got to three-jaw connecting rod clamp, drive push rod, sliding plate through the driving piece and remove towards cylindrical cake portion direction, then, head rod, claw indicate and second connecting rod collaborative work to make the directional internal tightening that contracts of three claw, and then press from both sides and get cylindrical cake portion, solved traditional two claw type clamping jaw centre gripping unstability, the limited problem of three claw type clamping jaw centre gripping scope.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

FIG. 1 is a schematic view of a three-jaw link clamping device of the present application;

fig. 2 is a partial structural schematic view of the three-jaw link gripper.

100-three-jaw connecting rod clamping device, 1-device main body, 2-driving component, 21-driving component, 22-push rod, 23-mounting plate, 231-through hole, 3-clamping component, 31-sliding plate, 32-fixing plate, 33-clamping component, 331-jaw finger, 3311-main body part, 3312-clamping part, 3313-convex block, 332-first connecting rod, 333-second connecting rod, 334-third connecting rod, 34-guide column and 4-jaw air cylinder component.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The following detailed description of embodiments of the present application will be described in conjunction with the accompanying drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention of the present application, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.

Referring to fig. 1 and 2, a preferred embodiment of the present application provides a three-jaw connecting rod clamping device 100 for clamping a cylindrical cake portion on an injection molding member to improve the stability of clamping the injection molding member. The apparatus 100 specifically comprises: the device comprises a device body 1, a driving assembly 2 arranged on the device body 1 and a clamping assembly 3 connected with the driving assembly 2. The drive assembly 2 comprises a driver 21 and a push rod 22 connected to an output end of the driver 21. In the present embodiment, the driver 21 is a cylinder. The gripping assembly 3 includes a sliding plate 31, a fixed plate 32 located below the sliding plate 31, and three gripping members 33 respectively connecting the sliding plate 31 and the fixed plate 32, the sliding plate 31 being further connected to the push rod 22. Each of the clamping members 33 includes a finger 331, a first connecting rod 332 respectively connecting the finger 331 and the sliding plate 31, and a second connecting rod 333 respectively connecting the finger 331 and the fixed plate 32, and the finger 331 is rotatably connected to the first connecting rod 332 and the second connecting rod 333. The cylindrical material cake is located right below the device 100, when the cylindrical material cake part needs to be clamped, the driving part 21 drives the push rod 22 and the sliding plate 31 to move towards the direction (a direction) of the cylindrical material cake part, and the first connecting rod 332, the claw fingers 331 and the second connecting rod 333 work in cooperation, so that the three claw fingers 331 contract inwards and clamp the cylindrical material cake part of the injection molding part.

The driving assembly 2 further includes a mounting plate 23, and the mounting plate 23 is connected to the driving member 21 for connecting the driving assembly 2 to the apparatus body 1. In this embodiment, the mounting plate 23 and the apparatus body 1 are screwed, but in other embodiments, the mounting plate 23 and the apparatus body 1 may be connected in other manners, which is not limited in the present application. The mounting plate 23 is provided with a through hole 231, and the push rod 22 passes through the through hole 231 and is connected to the sliding plate 31.

The clamping assembly 3 further comprises a guide post 34, the guide post 34 is respectively connected with the mounting plate 23 and the fixing plate 32, and the sliding plate 31 is arranged on the guide post 34 in a penetrating way and can move up and down along the guide post 34. The guide post 34 in this application not only can be connected mounting panel 23 and fixed plate 32 to improve and press from both sides the structural stability who gets subassembly 3, can also play the guide effect at the in-process that sliding plate 31 reciprocated.

In order to improve the stability of the connection between the fingers 331 and the fixing plate 32, in the present embodiment, the clamping member 33 further includes a third connecting rod 334, the third connecting rod 334 connects the fingers 331 and the fixing plate 32, respectively, and the third connecting rod 334 is parallel to the second connecting rod 333.

In order to enable the three clamping members 33 to clamp the cylindrical cake portion more stably, in one embodiment, the three clamping members 33 are evenly distributed along the circumferential direction.

The finger 331 includes a main body portion 3311 and a grip portion 3312 connected to the main body portion 3311, the grip portion 3312 being located at an end opposite to the first connecting rod 332, i.e., the grip portion 3312 being located at a distal end of the finger 331. The holder 3312 has a projection 3313 projecting in the central axis direction of the device 100. The protrusions 3313 are provided with anti-slip threads (not numbered) on the inner side thereof to increase the frictional force between the protrusions 3313 and the cylindrical cake part.

The three-jaw connecting rod clamping device in the application comprises a clamping jaw air cylinder assembly 4 and a control assembly (not shown) which are used for clamping other parts of the injection molding part, and the control assembly is in signal connection with the driving assembly 2 and the clamping jaw air cylinder assembly 4 so as to control the driving assembly 2 and the clamping jaw air cylinder assembly 4 to work. The structure and the working principle of the clamping jaw air cylinder assembly 4 and the control assembly are the prior art, and the description is omitted here.

To sum up, the application provides a device is got to three-jaw connecting rod clamp, drives push rod, sliding plate through the driving piece and moves towards cylindrical cake portion direction, then, head rod, claw indicate and second connecting rod collaborative work to make the directional internal tightening that contracts of three claw, and then press from both sides and get cylindrical cake portion, solved traditional two claw type clamping jaw centre gripping unstability, the limited problem of three claw type clamping jaw centre gripping scope.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The three-jaw connecting rod clamping device is characterized by being used for clamping a cylindrical material cake part on an injection molding part, wherein the cylindrical material cake part is positioned right below the device; the device comprises:

a device main body;

2. The three-jaw link gripper as recited in claim 1 wherein said drive assembly further comprises a mounting plate, said mounting plate being connected to said drive member, said mounting plate having an aperture therethrough, said push rod passing through said aperture and being connected to said slide plate.

3. The three-jaw connecting rod clamping device as claimed in claim 2, wherein the clamping assembly further comprises a guide pillar, the guide pillar is connected to the mounting plate and the fixing plate, and the sliding plate is inserted through the guide pillar and can move up and down along the guide pillar.

4. The three-jaw link gripper of claim 1, wherein said gripper further comprises a third connecting rod connecting said gripper fingers and said fixed plate, respectively, said third connecting rod and said second connecting rod being parallel.

5. The three-jaw link grabber as recited in claim 1, wherein three of said gripping members are evenly circumferentially distributed.

6. The three-jaw link grabber of claim 1, wherein said finger includes a main body portion and a gripping portion connected to said main body portion, said gripping portion being located at an end opposite said first link.

7. The three-jaw link gripper apparatus of claim 6, wherein the gripping portion has a projection projecting toward a central axis of the apparatus.

8. The three-jaw link grabber as recited in claim 7, wherein said protrusions are provided with anti-slip threads on the inside.