CN214818652U

CN214818652U - Mechanical gripper assembly

Info

Publication number: CN214818652U
Application number: CN202120536509.3U
Authority: CN
Inventors: 王政; 王文军; 寇宝民; 廖东勇
Original assignee: Beijing Xinyuan Jianbang Technology Co ltd
Current assignee: Beijing Xinyuan Jianbang Technology Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-11-23
Anticipated expiration: 2031-03-15

Abstract

The utility model provides a mechanical tongs subassembly relates to mechanical device technical field, has solved the complicated technical problem of mechanical tongs subassembly structure that is used for longmen mechanical tongs that exists among the prior art. The device includes the clamping jaw that sets up relatively and respectively with every the tongs arm that the clamping jaw is connected, the clamping jaw sets up the lower extreme inboard of grabbing the arm, two of relative setting grab the arm with the mode setting of crossing, and relative two the upper end and the drive assembly formation of grabbing the arm are connected. The utility model discloses because the relative tongs arm that sets up with the mode of looks intersection to shifting up or moving down at drive assembly can make the relative tongs arm that sets up be close to each other or keep away from under the effect, and then realize that the clamping jaw presss from both sides tightly or loosen the article, the utility model discloses a mechanical tongs subassembly structure is simple relatively, and the cost is also lower.

Description

Mechanical gripper assembly

Technical Field

The utility model belongs to the technical field of mechanical tongs technique and specifically relates to a mechanical tongs subassembly is related to.

Background

A robot is an automatic operating device that can simulate some action functions of a human hand and an arm to grab, carry an object or operate a tool according to a fixed program. In the production and installation process of the composite heat-insulation groove plate, the aerated concrete plate with the weight of more than 120 kilograms and the length of about 4 meters needs to be clamped and accurately positioned in millimeter level.

The applicant finds that at least the following technical problems exist in the prior art: the mechanical gripper assembly of the high-precision medium-heavy gantry mechanical gripper adopted at present is high in manufacturing cost and complex in structure, market competition of building raw materials is very strong, and sensitivity to price is very high. Therefore, it is desirable to provide a gripper that is relatively simple in structure and relatively inexpensive to manufacture.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical tongs subassembly to solve the complicated technical problem of mechanical tongs subassembly structure that is used for longmen mechanical tongs that exists among the prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

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

the utility model provides a pair of mechanical tongs subassembly, including the relative clamping jaw that sets up and respectively with every the tongs arm that the clamping jaw is connected, the clamping jaw sets up the lower extreme inboard of tongs arm, two of relative setting the tongs arm sets up with the mode of looks intersection, and relative two that sets up the upper end and the drive assembly of tongs arm form to be connected.

According to a preferred embodiment, connect same clamping jaw tongs arm includes two support arms of parallel arrangement, the support arm includes upper arm and underarm, wherein, the vertical setting of underarm, the upper arm with underarm is the contained angle and upwards extends the setting.

According to a preferred embodiment, the arm is of one-piece construction, and the jaws are arranged on the inside of the lower arm.

According to a preferred embodiment, the upper arms of the two oppositely arranged support arms are crossed and connected with the upper ends of the upper arms of the support arms arranged in parallel at the upper end of the cross through a first rotating shaft; the upper arm and the lower arm are connected through a second rotating shaft to form two parallel support arms.

According to a preferred embodiment, the arm is rotatable relative to the first and second axes of rotation to effect the approaching or distancing between the opposing gripper arms.

According to a preferred embodiment, the driving assembly comprises a connecting frame, the connecting frame is of a U-shaped frame structure, wherein the first rotating shaft penetrates through two connecting frame side walls of the connecting frame and enables oppositely arranged support arms to be arranged on two sides of the connecting frame respectively.

According to a preferred embodiment, the driving assembly further comprises a driving cylinder, the connecting frame further comprises a connecting frame bottom plate, and the bottom of the cylinder body of the driving cylinder is fixed on the connecting frame bottom plate.

According to a preferred embodiment, the support is used for fixing the driving assembly, the support is of a square frame structure, the support comprises a support top plate, a support side wall and a support bottom plate, the top of a cylinder body of a driving cylinder of the driving assembly penetrates through the support top plate to extend upwards, and the bottom of a piston rod of the driving cylinder is fixedly connected with the support bottom plate.

According to a preferred embodiment, the top plate of the bracket is provided with an insertion hole which allows the top of the cylinder body of the driving cylinder to pass through and can move up and down.

According to a preferred embodiment, guide rods are arranged on two sides of the driving cylinder, the bottoms of the guide rods are fixed to a support bottom plate, the tops of the guide rods are fixed to a support top plate, a shaft sleeve is fixed to a connecting frame bottom plate, and the guide rods penetrate through the shaft sleeve to enable the connecting frame bottom plate to slide up and down relative to the guide rods.

Based on the technical scheme, the utility model discloses a mechanical tongs subassembly, including the relative clamping jaw that sets up and the tongs arm that is connected with every clamping jaw respectively, the clamping jaw setting is inboard at the lower extreme of tongs arm, and two tongs arms that set up relatively set up with the mode setting of crossing, and relative two that sets up tongs arm's upper end and drive assembly form and are connected. Because the tongs arm of relative setting sets up with the mode of crossing to moving up or moving down the effect and can making the tongs arm of relative setting be close to each other or keep away from under drive assembly, and then realize that the clamping jaw presss from both sides tightly or unclamp the article, the utility model discloses a mechanical tongs subassembly structure is simple relatively, and the cost is also lower.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a mechanical gripper assembly of the present invention;

fig. 2 is a schematic view of another perspective of the mechanical gripper assembly of the present invention.

In the figure: 22-a scaffold; 23-a connecting frame; 101-a jaw; 102-a support arm; 103-a first rotating shaft; 104-a second rotational axis; 201-driving a cylinder; 202-a guide rod; 220-a jack; 221-a rack top plate; 222-a bracket side wall; 223-a rack backplane; 231-a link base plate; 232-connecting frame side wall; 1021-an upper arm; 1022-lower arm.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also 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; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

The technical solution of the present invention will be described in detail with reference to the accompanying drawings 1 and 2.

As shown in fig. 1, the utility model provides a mechanical tongs subassembly for the device that longmen mechanical tongs pressed from both sides tight transport to large-scale panel or article. The utility model discloses a machinery tongs subassembly is including the relative clamping jaw 101 that sets up and the tongs arm that is connected with every clamping jaw 101 respectively. The clamping jaw 101 is a device for contacting an object, as shown in fig. 1, so as to prevent the object from being damaged, and the clamping jaw has a certain elasticity. The clamping jaw 101 is arranged on the inner side of the lower end of each grabbing arm, the two opposite grabbing arms are arranged in a crossed mode, and the upper ends of the two opposite grabbing arms are connected with the driving assembly. Therefore, when the drive assembly shifts up or moves down, the gripper arms that can make relative setting are close to each other or keep away from, and then realize that the clamping jaw presss from both sides tightly or loosen the article, the utility model discloses a mechanical gripper subassembly structure is simple relatively, and the cost is also lower.

It is further preferred that the gripper arms connecting the same gripping jaw 101 comprise two arms 102 arranged in parallel, as shown in fig. 2. Preferably, as shown in fig. 1 and 2, the arm 102 includes an upper arm 1021 and a lower arm 1022, the lower arm 1022 is disposed vertically, and the upper arm 1021 and the lower arm 1022 are disposed at an angle and extend upward. So that the upper arms of the two oppositely arranged support arms can be arranged in a crossed way. It is further preferred that arm 102 be of unitary construction. The jaws 101 are disposed inside the lower arm 1022.

Further preferably, the upper arms 1021 of the two arms 102 arranged oppositely intersect each other, and the upper ends of the intersections are connected to the upper ends of the upper arms 1021 of the arms 102 arranged in parallel via the first rotating shaft 103. That is, the top ends of the two arms for connecting the same clamping jaw 101 are rotatably connected by the first rotating shaft 103. Preferably, the two parallel arms 102 are connected between the upper arm 1021 and the lower arm 1022 by a second rotation shaft 104. Preferably, two arms 102 arranged in parallel are fixed to the gripper base by a second rotation axis 104. Preferably, the arm 102 is rotatable with respect to the first rotation shaft 103 and the second rotation shaft 104 to achieve approaching or separating between the opposite two gripper arms.

Further preferably, the driving assembly includes a connecting frame 23, and the connecting frame 23 is a U-shaped frame structure, wherein the first rotating shaft 103 penetrates through two connecting frame side walls 232 of the connecting frame 23 and makes the oppositely arranged support arms 102 respectively arranged at two sides of the connecting frame 23. The connecting frame 23 is used for moving up or down under the driving of the driving cylinder to drive the upper end of the gripper arm to move up or down, when the upper end of the gripper arm moves up, the support arm rotates towards the central axis direction of the mechanical gripper assembly relative to the first rotating shaft 103 and the second rotating shaft 104, and then the two gripper arms which are arranged oppositely approach each other to clamp the object.

Further preferably, the driving assembly further comprises a driving cylinder 201, the connecting frame 23 further comprises a connecting frame bottom plate 231, and the bottom of the driving cylinder 201 is fixed to the connecting frame bottom plate 231. Preferably, the utility model discloses a mechanical tongs subassembly is still including the support 22 that is used for fixed drive assembly, and support 22 is four directions frame construction, and support 22 includes support roof 221, support lateral wall 222 and support bottom plate 223, and wherein, drive assembly's the cylinder body top that drives actuating cylinder 201 passes support roof 221 and upwards extends, drives actuating cylinder 201's piston rod bottom fixed connection support bottom plate 223. The holder top plate 221 is provided with an insertion hole 220 which allows the cylinder top of the driving cylinder 201 to pass therethrough and which can move up and down. Preferably, the width of the link frame 23 is greater than that of the support top plate 221 so that both link frame sidewalls of the link frame 23 can move up and down on both sides of the support top plate 221 without interference when the link frame 23 moves up and down. When the driving cylinder 201 works, the cylinder body moves upward to drive the connecting frame bottom plate 231 to move upward, the connecting frame bottom plate 231 moves upward to drive the upper arm of the gripping arm to move upward, and because the upper arms 1021 of the supporting arms 102 located on the same inner side or the same outer side of the support frame 22 are arranged in a crossed manner, the gripping jaws 101 arranged oppositely are close to each other so as to grip an object.

It is further preferable that guide rods 202 are provided at both sides of the driving cylinder 201, the bottoms of the guide rods 202 are fixed to the bracket bottom plate 223, and the tops of the guide rods 202 are fixed to the bracket top plate 221. A boss is fixed to the link base plate 231, and the guide bar 202 is disposed through the boss so that the link base plate 231 can slide up and down with respect to the guide bar 202. The guide bar 202 serves both supporting and guiding functions. When the driving cylinder 201 moves upwards or downwards to drive the connecting frame bottom plate 231 to move upwards or downwards, the connecting frame bottom plate 231 can slide upwards or downwards along the guide rod 202 through the shaft sleeve.

The utility model discloses a mechanical tongs subassembly structure is simple relatively, and the cost is also lower, consequently is applicable to longmen mechanical tongs and has longmen mechanical device of longmen mechanical tongs.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a machinery tongs subassembly, its characterized in that, including relative clamping jaw (101) that sets up and respectively with every the grabbing arm that clamping jaw (101) are connected, clamping jaw (101) set up grabbing the lower extreme inboard of arm, two of relative setting grabbing the arm sets up with the mode of crossing, and two of relative setting grabbing the upper end and the drive assembly of arm form and are connected.

2. The mechanical gripper assembly of claim 1, wherein the gripper arms connecting the same gripper (101) comprise two arms (102) arranged in parallel, the arms (102) comprising an upper arm (1021) and a lower arm (1022), wherein the lower arm (1022) is arranged vertically, and the upper arm (1021) and the lower arm (1022) are angled and extend upwardly.

3. The mechanical gripper assembly of claim 2, wherein the arm (102) is a one-piece structure and the gripping jaw (101) is disposed inside the lower arm (1022).

4. The mechanical gripper assembly of claim 2, wherein the upper arms (1021) of the two oppositely disposed arms (102) intersect each other at an upper end of the intersection such that the upper ends of the upper arms (1021) of the arms (102) are connected to each other by a first rotating shaft (103) in parallel therewith; the upper arm (1021) and the lower arm (1022) are connected by a second pivot axis (104) to two parallel arms (102).

5. The mechanical gripper assembly of claim 4, wherein the arm (102) is rotatable relative to the first and second rotational axes (103, 104) to enable approaching or distancing between two opposing gripper arms.

6. The mechanical gripper assembly of claim 4, wherein the driving assembly comprises a connecting frame (23), the connecting frame (23) has a U-shaped frame structure, wherein the first rotating shaft (103) penetrates through two connecting frame side walls (232) of the connecting frame (23) and enables the oppositely arranged support arms (102) to be respectively arranged on two sides of the connecting frame (23).

7. The mechanical gripper assembly of claim 6, wherein the drive assembly further comprises a drive cylinder (201), the link (23) further comprises a link base plate (231), and a cylinder bottom of the drive cylinder (201) is fixed to the link base plate (231).

8. The mechanical gripper assembly of claim 7, further comprising a bracket (22) for fixing the driving assembly, wherein the bracket (22) is of a square frame structure, the bracket (22) comprises a bracket top plate (221), a bracket side wall (222) and a bracket bottom plate (223), wherein the top of a cylinder body of a driving cylinder (201) of the driving assembly extends upwards through the bracket top plate (221), and the bottom of a piston rod of the driving cylinder (201) is fixedly connected with the bracket bottom plate (223).

9. The mechanical gripper assembly of claim 8, wherein an insertion hole (220) allowing the cylinder top of the driving cylinder (201) to pass therethrough and to be movable up and down is provided on the bracket top plate (221).

10. The mechanical gripper assembly of claim 8, wherein guide rods (202) are disposed on both sides of the driving cylinder (201), wherein the bottom of the guide rods (202) are fixed to a bracket bottom plate (223), the top of the guide rods (202) are fixed to a bracket top plate (221), a bushing is fixed to the link bottom plate (231), and the guide rods (202) are disposed through the bushing so that the link bottom plate (231) can slide up and down with respect to the guide rods (202).