CN217497820U

CN217497820U - Clamping jaw mechanism and marking device

Info

Publication number: CN217497820U
Application number: CN202220553354.9U
Authority: CN
Inventors: 匡奇; 赵振林; 张欢; 朱勇
Original assignee: Hongzhun Precision Tooling Kunshan Co Ltd
Current assignee: Hongzhun Precision Tooling Kunshan Co Ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-09-27
Anticipated expiration: 2032-03-14

Abstract

The utility model relates to a frock clamp field aims at solving the known art and needs the multiple size product of multiple not unidimensional auxiliary positioning mechanism adaptation, and the higher problem of manufacturing cost provides clamping jaw mechanism and beats the mark device. The clamping jaw mechanism comprises a supporting plate, a first clamping assembly, a driving assembly and a second clamping assembly. The supporting plate is provided with a fixed clamping head. The first clamping assembly is slidably connected to the support plate along a first direction and used for clamping a workpiece with the fixed clamping head along a first defensive line. The driving assembly is in transmission connection with the first clamping assembly and is used for driving the first clamping assembly to move along a first direction; the first clamping assembly can drive the second sliding block to move along the second direction along the movement of the first direction. The beneficial effects of the utility model are that can conveniently realize centre gripping location work piece and the not unidimensional work piece of adaptation.

Description

Clamping jaw mechanism and marking device

Technical Field

The utility model relates to a frock clamp field particularly, relates to clamping jaw mechanism and beats mark device.

Background

In the prior art, when products with various sizes are processed, such as 13-17 inches notebooks, auxiliary positioning mechanisms with various sizes are needed, and the problems of high production and manufacturing cost and troublesome replacement of the positioning mechanisms exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing clamping jaw mechanism and beat mark device to solve the product that known technique needs the multiple not unidimensional auxiliary positioning mechanism adaptation multiple size, the higher problem of manufacturing cost.

In a first aspect, the present invention provides a clamping jaw mechanism, which includes:

a support plate having first and second ends opposite in a first direction, and third and fourth ends opposite in a second direction, wherein the second direction is perpendicular to the first direction; the supporting plate is provided with a first plate surface and a second plate surface which are opposite to each other along a third direction, a fixed clamping head protruding from the first plate surface is fixedly arranged on the supporting plate, and the fixed clamping head is positioned at the first end;

a first clamping assembly slidably connected to the support plate along the first direction; the first clamping assembly comprises a support part, and a first movable clamping head and a second movable clamping head which are arranged on the support part, wherein the first movable clamping head and the second movable clamping head are arranged at intervals along the second direction, and are positioned at the second end;

the driving assembly is arranged on the supporting plate and is in transmission connection with the first clamping assembly and used for driving the first clamping assembly to move along a first direction so as to enable the first movable clamping head to be close to or far away from the fixed clamping head;

the second clamping assembly comprises a first sliding block, a second sliding block, a first connecting rod, a second connecting rod, a third movable clamping head and a fourth movable clamping head; the first sliding block is positioned at the third end and can be matched with the supporting plate in a sliding manner along a second direction, the third movable clamping head is fixedly arranged on the first sliding block, one end of the first connecting rod is pivoted to the first sliding block, and the other end of the first connecting rod is pivoted to the support piece, so that the first clamping assembly can drive the first sliding block to move along the second direction along the movement of the first clamping assembly along the first direction;

the second sliding block is located at the fourth end and is matched with the supporting plate in a sliding mode along the second direction, the fourth movable clamping head is fixedly installed on the second sliding block, one end of the second connecting rod is pivoted to the second sliding block, and the other end of the second connecting rod is pivoted to the support piece, so that the first clamping assembly can drive the second sliding block to move along the second direction along the movement of the first direction.

When the clamping jaw mechanism is used, a workpiece (such as a notebook computer) is placed on the supporting plate, the driving component is started to drive the first clamping component to move along a first direction, so that the first movable clamping head and the second movable clamping head move towards the fixed clamping head direction to clamp the workpiece along the first direction; meanwhile, the first clamping assembly moves along the first direction to respectively drive the third movable clamping head and the second movable clamping head to clamp the workpiece along the second direction, so that the workpiece is clamped and positioned.

Therefore, the utility model provides a clamping jaw mechanism can conveniently realize the not unidimensional work piece of centre gripping location work piece and adaptation.

In one embodiment:

the driving assembly comprises a linear cylinder, a push rod, a first elastic piece and a connecting block;

the push rod is connected with the linear cylinder, the push rod comprises a rod section, a first limiting bulge and a second limiting bulge, the first limiting bulge is located at the two ends of the rod section, the rod section is close to one end of the linear cylinder, one end of the connecting block is slidably sleeved on the rod section, the other end of the connecting block is fixedly connected with the support piece, and the first elastic piece is sleeved on the rod section and elastically abuts against the position between the first limiting bulge and the connecting block.

In one embodiment:

the first movable clamping head and the second movable clamping head respectively comprise a first mounting frame, a second elastic piece, a first wheel frame and a first roller;

the first roller is arranged on the first wheel frame and faces the fixed clamping head; the first mounting frame is fixedly connected to the bracket component, the first wheel frame is slidably connected to the first mounting frame along a first direction, and the second elastic component is elastically supported between the first mounting frame and the first wheel frame along the first direction.

In one embodiment:

the number of the fixed clamping heads is two, and the two fixed clamping heads are arranged at intervals along the second direction.

In one embodiment:

the bracket part comprises a first strip-shaped part, a second strip-shaped part and a third strip-shaped part, and the first strip-shaped part, the second strip-shaped part and the third strip-shaped part are all long strip-shaped structures extending along a first direction and are respectively supported on the supporting plate in a sliding manner through a guide rail and slide block mechanism; and the first strip-shaped part and the second strip-shaped part are arranged at intervals along a second direction and are used for installing the first movable clamping head and the second movable clamping head respectively, and one end of the third strip-shaped part is connected with the first strip-shaped part through a fourth strip-shaped part and is connected with the second strip-shaped part through a fifth strip-shaped part.

In one embodiment:

the first sliding block and the second sliding block are respectively connected with a second mounting rack;

the third movable clamping head and the fourth movable clamping head respectively comprise a second wheel carrier and a second roller;

wherein the second roller is adjustably mounted to the second wheel carriage along a second direction; the second wheel carrier is connected to the second mounting bracket.

In one embodiment:

the bracket part and the driving assembly are positioned on one side of the first plate surface of the supporting plate;

and a plurality of supporting columns distributed on the surface are arranged on the second plate surface of the supporting plate and are used for supporting the workpiece.

In one embodiment:

the second plate surface of the supporting plate is provided with a plurality of sucking disc fixing blocks which are distributed in a surface mode and used for installing sucking discs to suck the workpiece; the supporting plate is provided with a plurality of sliding grooves, the extending direction of the sliding grooves is obliquely intersected with the first direction and the second direction respectively, and the sucker fixing blocks can be installed in the sliding grooves in a sliding mode.

In one embodiment:

the first end department of backup pad is connected with the keysets for the backup pad is connected to a fortune manipulator.

In a second aspect, the present invention provides a marking device, which includes:

the conveying belt is used for conveying workpieces;

a transfer robot;

the clamping jaw mechanism is mounted on the transfer manipulator and is driven by the transfer manipulator to grab and transfer the workpiece;

the lifting and steering mechanism comprises a rack, and a steering mechanism and a lifting mechanism which are arranged on the rack, the lifting mechanism is used for vertically lifting the workpiece from the conveyor belt, and the steering mechanism is used for vertically lifting the workpiece from the conveyor belt and horizontally rotating the workpiece;

and the marking device is used for marking the workpiece positioned and clamped on the clamping jaw mechanism.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive efforts.

FIG. 1 is a three-dimensional view of a jaw mechanism in an embodiment of the present application;

FIG. 2 is another perspective view of the jaw mechanism of FIG. 1;

FIG. 3 is a three-dimensional view of a marking device in an embodiment of the present application;

fig. 4 is a three-dimensional view of the material lifting and turning mechanism of fig. 3.

Description of the main element symbols:

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present application are described in detail. In the following embodiments, features of the embodiments may be combined with each other without conflict.

Examples

Referring to fig. 1, the present embodiment provides a clamping jaw mechanism 10 for positioning and clamping a workpiece having a substantially rectangular shape, such as a notebook computer, and is capable of adapting to clamping workpieces having different sizes, such as a 13-17 inch notebook computer, for subsequent operations, such as marking.

Referring collectively to fig. 1 and 2, the jaw mechanism 10 in this embodiment includes a support plate 11, a first clamp assembly 12, a drive assembly 13, and a second clamp assembly 14.

Wherein the support plate 11 has a first end 16 and a second end 17 opposite along a first direction 15, and a third end 19 and a fourth end 20 opposite along a second direction 18, wherein the second direction 18 is perpendicular to the first direction 15; the supporting plate 11 has a first plate 22 and a second plate 23 opposite to each other along a third direction 21, a fixed clamping head 24 protruding from the first plate 22 is fixedly disposed on the supporting plate 11, and the fixed clamping head 24 is located at the first end 16. Optionally, the supporting plate 11 in this embodiment is substantially rectangular in shape, and some slots 25 are formed in the plate surface to reduce the total weight of the supporting plate 11 or for abduction.

The first clamping assembly 12 is slidably coupled to the support plate 11 along the first direction 15, such as by a rail-slide mechanism 26 slidably mounted on the support plate 11. The first clamping assembly 12 comprises a bracket member 27, and a first movable clamping head 28 and a second movable clamping head 29 mounted on the bracket member 27, wherein the first movable clamping head 28 and the second movable clamping head 29 are arranged at intervals along the second direction 18, and the first movable clamping head 28 and the second movable clamping head 29 are located at the second end 17. The first movable gripping head 28 and the second movable gripping head 29 may adopt the same or different structures.

The driving assembly 13 is mounted on the supporting plate 11, and the driving assembly 13 is connected to the first clamping assembly 12 in a transmission manner, and is configured to drive the first clamping assembly 12 to move along a first direction 15, so that the first movable clamping head 28 is close to or away from the fixed clamping head 24. The driving assembly 13 can be a linear driver such as an air cylinder and a linear motor; or a rotary driver (such as a rotary motor) and a transmission mechanism (such as a screw rod and sliding block mechanism) which can convert rotation into linear motion and output the linear motion can be adopted.

The second gripper assembly 14 includes a first slider 30, a second slider 31, a first link 32, a second link 33, a third movable gripper head 34, and a fourth movable gripper head 35. Wherein the first slider 30 is located at the third end 19 and is slidably engaged with the support plate 11 along the second direction 18, such as by a rail-slider mechanism 26. The third movable clamping head 34 is fixedly mounted on the first sliding block 30, one end of the first connecting rod 32 is pivotally connected to the first sliding block 30, and the other end of the first connecting rod is pivotally connected to the supporting member 27, so that the first clamping assembly 12 can move along the first direction 15 to drive the first sliding block 30 to move along the second direction 18.

The second sliding block 31 is located at the fourth end 20 and slidably fits to the supporting plate 11 along the second direction 18, the fourth movable clamping head 35 is fixedly mounted on the second sliding block 31, one end of the second connecting rod 33 is pivotally connected to the second sliding block 31, and the other end is pivotally connected to the supporting member 27, so that the movement of the first clamping assembly 12 along the first direction 15 can drive the second sliding block 31 to move along the second direction 18.

When the clamping jaw mechanism 10 in this embodiment is used, a workpiece (such as a notebook computer) is placed on the supporting plate 11, the driving component 13 is started to drive the first clamping component 12 to move along the first direction 15, so that the first movable clamping head 28 and the second movable clamping head 29 move towards the fixed clamping head 24 to clamp the workpiece along the first direction 15; meanwhile, the movement of the first clamping assembly 12 along the first direction 15 drives the third movable clamping head 34 and the second movable clamping head 29 to clamp the workpiece along the second direction 18, so as to clamp and position the workpiece.

The clamping jaw mechanism 10 in this embodiment can conveniently clamp and position a workpiece, and drive the first clamping component 12 to move different distances through the driving component 13, so that the distance between the fixed clamping head 24 and the first/second movable clamping heads 28 and 29 in the first direction 15 and the distance between the third movable clamping head 34 and the fourth movable clamping head 35 can be adjusted, that is, the clamping jaw mechanism can adapt to the length and width dimensions of the workpiece (such as a notebook computer).

In one embodiment, the driving assembly 13 includes a linear cylinder 36, a push rod 37, a first elastic member 38, and a connecting block 39. The push rod 37 is connected to the linear cylinder 36, the push rod 37 includes a rod section 40, and a first limiting protrusion 41 and a second limiting protrusion 42 located at two ends of the rod section 40, the first limiting protrusion 41 is located at one end of the rod section 40 close to the linear cylinder 36, one end of the connecting block 39 is slidably sleeved on the rod section 40, the other end of the connecting block is fixedly connected to the bracket 27, and the first elastic member 38 is sleeved on the rod section 40 and elastically abuts against between the first limiting protrusion 41 and the connecting block 39. Through the structure, when the driving assembly 13 drives the first clamping assembly 12 to clamp the workpiece along the first direction 15, the workpiece can be elastically pressed, the workpiece is prevented from being damaged by rigid pressing, and the first clamping assembly 12 can be pulled back through the second limiting protrusion 42 when the workpiece is loosened. Meanwhile, after the workpiece is clamped in place along the first direction 15, if the second movable clamping head 29 and the third movable clamping head 34 in the second direction 18 do not clamp the workpiece yet, the driving assembly 13 may compress the first elastic member 38 and continue to move along the first direction 15 until the workpiece is also reliably clamped in the second direction 18, so that the degree of adaptability is improved.

In one embodiment, the first movable gripping head 28 and the second movable gripping head 29 each comprise a first mounting bracket 43, a second resilient member 44, a first wheel carriage 45 and a first roller 46. Wherein the first roller 46 is mounted on the first wheel carrier 45 and faces the fixed gripping head 24; the first mounting bracket 43 is fixedly connected to the bracket member 27, the first wheel frame 45 is slidably connected to the first mounting bracket 43 along the first direction 15, and the second elastic member 44 is elastically supported between the first mounting bracket 43 and the first wheel frame 45 along the first direction 15. Alternatively, the first roller 46 is made of a flexible material such as rubber. The pressing of the side face of the workpiece can be well realized by the aid of the rollers, and the workpiece can be further protected from being damaged by clamping when the flexible material is adopted for supporting.

In one embodiment, there are two of the fixed gripping heads 24, and the two fixed gripping heads 24 are spaced apart along the second direction 18. Two fixed gripping heads 24 are provided corresponding to the first/second movable gripping heads 28,29, respectively, to improve positioning accuracy and gripping reliability.

In one embodiment, the bracket member 27 includes a first strip portion 47, a second strip portion 48 and a third strip portion 49, and the first strip portion 47, the second strip portion 48 and the third strip portion 49 are all long-strip-shaped structures extending along the first direction 15 and are slidably supported on the supporting plate 11 through a guide rail slider mechanism 26 respectively; and the first strip-shaped part 47 and the second strip-shaped part 48 are arranged at intervals along the second direction 18 and are used for installing the first movable clamping head 28 and the second movable clamping head 29 respectively, and one end of the third strip-shaped part 49 is connected with the first strip-shaped part 47 through the fourth strip-shaped part 50 and is connected with the second strip-shaped part 48 through the fifth strip-shaped part 51. In this structure, the support member 27 is formed by connecting a plurality of strip-shaped portions, and the total weight of the structure is small on the premise of satisfying the sliding setting requirement and satisfying the installation requirements of the first/second movable clamping heads 28 and 29 and the connection requirement with the driving assembly 13. The first strip-shaped portion 47, the second strip-shaped portion 48 and the third strip-shaped portion 49 are respectively slidably mounted on the supporting plate 11, and the bracket members 27 are respectively slidably mounted at three positions which are distributed in a triangular manner, so that the mounting is reliable, and the bracket members 27 are ensured to stably move along the first direction 15.

In one embodiment, a second mounting bracket 52 is attached to each of the first slider 30 and the second slider 31. The third movable gripping head 34 and the fourth movable gripping head 35 each include a second wheel frame 53 and a second roller 54. Wherein the second roller 54 is adjustably mounted to the second wheel carriage 53 in the second direction 18; the second wheel frame 53 is connected to the second mounting frame 52. The pressing of the side face of the workpiece can be well realized through the roller.

In one embodiment, the bracket member 27 and the driving assembly 13 are located on the first plate surface 22 side of the support plate 11. The second plate surface 23 of the supporting plate 11 is provided with a plurality of supporting columns 55 distributed on the surface for supporting a workpiece. The structural arrangement is reasonable, and the supporting and positioning in the thickness direction of the workpiece can be realized.

In one embodiment, the second plate surface 23 of the supporting plate 11 is provided with a plurality of sucking disc fixing blocks 56 distributed on the surface for installing sucking discs to suck workpieces; the supporting plate 11 is provided with a plurality of sliding grooves 57, the extending direction of the sliding grooves 57 is obliquely intersected with the first direction 15 and the second direction 18 respectively, and the sucker fixing block 56 is slidably mounted on the sliding grooves 57. The suction cup is provided to hold the workpiece, and by slidably fitting the suction cup fixing block 56 to the slide groove 57, the workpiece can be guided to move to a proper position along the slide groove 57 while being positioned by being pushed by the first/

second clamp assemblies

12, 14.

In one embodiment, an adapter plate 58 is attached to the first end 16 of the support plate 11 for attaching the support plate 11 to a transfer robot 82. The adapter plate 58 is provided to facilitate its attachment to the transfer robot 82.

With reference to fig. 3 and 4, the embodiment of the present application further provides a marking device 80, which includes a conveyor belt 81, a transfer robot 82, a marker 83, a lifting and turning mechanism 84, and the aforementioned clamping jaw mechanism 10. The conveyor belt 81 is used to convey a workpiece such as a notebook computer. The gripper mechanism 10 is mounted to the transfer robot 82 to grasp and transfer the workpiece by the transfer robot 82. The lifting and turning mechanism 84 comprises a frame 85, and a turning mechanism 86 and a lifting mechanism 87 which are mounted on the frame 85, wherein the lifting mechanism 87 is used for vertically lifting the workpiece from the conveyor belt 81, and the turning mechanism 86 is used for vertically lifting the workpiece from the conveyor belt 81 and horizontally rotating the workpiece. The marker 83 is used for marking a workpiece positioned and clamped on the clamping jaw mechanism 10.

When the marking device 80 in the embodiment is used, a workpiece is conveyed through the conveyor belt 81, and the lifting mechanism 87 grabs the workpiece from the conveyor belt 81, is positioned and clamped by the clamping jaw mechanism 10 on the transfer manipulator 82, and then is transferred to the marker 83 for marking; after marking, the transfer robot 82 transfers the workpiece to the pickup turning mechanism 84, and the workpiece is returned by the pickup turning mechanism 84 to the conveyor 81 and conveyed. The transfer robot 82, the marker 83, and the like in this embodiment may be provided in a plurality of sets as needed.

Although the present application has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the present application.

Claims

1. A jaw mechanism, comprising:

2. The jaw mechanism of claim 1, wherein:

3. The jaw mechanism of claim 1, wherein:

4. Gripper mechanism according to claim 1, characterized in that:

the fixed clamping heads are arranged in two, and the two fixed clamping heads are arranged at intervals along the second direction.

5. The jaw mechanism of claim 1, wherein:

the support part comprises a first strip-shaped part, a second strip-shaped part and a third strip-shaped part, and the first strip-shaped part, the second strip-shaped part and the third strip-shaped part are all long strip-shaped structures extending along a first direction and are slidably supported on the support plate through guide rail sliding block mechanisms respectively; and the first strip-shaped part and the second strip-shaped part are arranged at intervals along a second direction and are used for respectively mounting the first movable clamping head and the second movable clamping head, and one end of the third strip-shaped part is connected with the first strip-shaped part through the fourth strip-shaped part and the second strip-shaped part through the fifth strip-shaped part.

6. The jaw mechanism of claim 1, wherein:

7. The jaw mechanism of claim 1, wherein:

8. The jaw mechanism of claim 7, wherein:

the second plate surface of the supporting plate is provided with a plurality of sucking disc fixing blocks which are distributed on the surface and used for installing sucking discs to suck the workpiece; the supporting plate is provided with a plurality of sliding grooves, the extending direction of the sliding grooves is obliquely intersected with the first direction and the second direction respectively, and the sucker fixing blocks can be installed in the sliding grooves in a sliding mode.

9. Gripper mechanism according to claim 1, characterized in that:

10. A marking device, comprising:

the conveying belt is used for conveying workpieces;

a transferring manipulator;

the gripper mechanism of any one of claims 1-9, wherein the gripper mechanism is mounted to the transfer robot for gripping and transferring the workpiece under the power of the transfer robot;