CN219150487U

CN219150487U - Spraying fixing device

Info

Publication number: CN219150487U
Application number: CN202223585355.0U
Authority: CN
Inventors: 李洪芹; 张超; 单崇辉
Original assignee: Shandong Kewei Robot Co ltd
Current assignee: Shandong Kewei Robot Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-09
Anticipated expiration: 2032-12-31

Abstract

The utility model relates to a spraying fixing device, wherein two vertically arranged and transversely extending positioning holes are formed in a supporting arm, the spraying fixing device comprises positioning rods extending into the positioning holes, a screw rod with the diameter smaller than that of the positioning rods is fixedly connected to a first end face of each positioning rod, a plurality of extrusion sheets are axially connected to the first end face in a shaft connection mode, the extrusion sheets are circumferentially arranged along the screw rod, and a round table-shaped nut is further connected to the screw rod in a threaded connection mode. When the support arm is used, the positioning rod is inserted into the positioning hole from one side of the positioning hole, then the nut is inserted into the positioning hole from the other side of the positioning hole, the nut is connected to the screw rod in a threaded mode, the extrusion piece is propped up to the circumferential surface of the positioning hole, and therefore the positioning rod is achieved.

Description

Spraying fixing device

Technical Field

The utility model relates to the field of machinery, in particular to the technical field of mechanical parts, and specifically relates to a spraying fixing device.

Background

The mechanical arm is an automatic mechanical device which is most widely and practically applied in the technical field of robots, and can see the figure in the fields of industrial manufacture, medical treatment, entertainment service, military, semiconductor manufacture, space exploration and the like. Although they differ in their morphology, they share a common feature of being able to receive instructions to accurately locate a point in three-or two-dimensional space for a job.

The mechanical arm is divided into a multi-joint mechanical arm, a rectangular coordinate system mechanical arm, a spherical coordinate system mechanical arm, a polar coordinate mechanical arm, a cylindrical coordinate mechanical arm and the like according to different structural forms, and the mechanical arm is composed of six degrees of freedom including X movement, Y movement, Z movement, X rotation, Y rotation and Z rotation.

The mechanical arm uses the support arm as a part for transmission or connection, the support arm extends vertically and is arc-shaped, two positioning holes penetrating through the support arm are formed in the side face of the support arm, the two positioning holes extend horizontally along the vertical arrangement, and the center points of the two positioning holes are located on the same straight line extending vertically.

In order to enable a customer to know the mechanical arm more, a prototype is usually made for displaying, the part of the mechanical arm needs to be painted in the prototype, the supporting arm is located on the outer surface, so that the supporting arm can be painted, the positioning rod penetrates through the positioning hole to position the supporting arm at present, but in order to ensure the stability of the supporting arm in the paint spraying process, the diameter of the used positioning rod is similar to that of the positioning hole, and therefore the positioning rod is fixed by means of friction between the positioning rod and the positioning hole, but the positioning rod is troublesome when inserted into and taken out from the positioning hole, and meanwhile, damage to paint is possibly caused when the positioning rod is taken out.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the spraying fixing device which is convenient for the positioning rod to be inserted into and support the positioning hole, thereby ensuring the stability of the supporting arm and facilitating the positioning rod to be pulled out from the positioning hole, and further facilitating the installation of the supporting arm.

The utility model is realized through the following technical scheme that the spraying fixing device comprises a support arm, wherein two positioning holes which are vertically arranged and transversely extend are formed in the support arm, the support arm comprises a positioning rod which extends into the positioning holes, a screw rod with the diameter smaller than that of the positioning rod is fixedly connected to a first end face of the positioning rod, a plurality of extrusion sheets which are circumferentially arranged along the screw rod are connected to the first end face in a shaft mode, a round table-shaped nut is further connected to the screw rod in a threaded mode, and the maximum diameter of the nut is smaller than that of the positioning hole.

When the spray painting device is used, the positioning rod is inserted into the positioning hole from one side of the positioning hole, then the nut is inserted into the positioning hole from the other side of the positioning hole, and the nut is connected to the screw rod in a threaded manner.

Preferably, the support device further comprises a support disc positioned above and below the support arm, the axis of the support disc is collinear with the connecting lines of the centers of the two positioning holes, a telescopic device is arranged on the bottom surface of the support disc above, a fixed block is fixedly connected to the telescopic device, a first through hole for the positioning rod to penetrate is formed in the fixed block, a support block is fixedly connected to the support disc below, a second through hole for the positioning rod to penetrate is formed in the support block, and extrusion bolts propped onto the positioning rod are connected to the support block and the fixed block through threads.

When the telescopic support is used, the two positioning rods are inserted into the first perforation and the second perforation respectively, then the lower positioning rod is inserted into the positioning hole below the support arm, then the telescopic device is driven to extend downwards, the support rod positioned above and the positioning hole positioned above are positioned at the same height, the positioning rods are inserted into the positioning holes, and finally the positioning rods are extruded into the corresponding first perforation and second perforation by using the extrusion bolts.

Preferably, the telescopic device comprises a telescopic cylinder fixedly connected to the supporting disc above, a telescopic rod extending vertically is connected in the telescopic cylinder in a sliding manner, the bottom end of the telescopic rod is fixedly connected with the fixed block, a plurality of threaded holes extending vertically are formed in the circumferential surface of the telescopic cylinder, positioning bolts are connected in threaded holes, and positioning screw holes matched with the positioning bolts are formed in the telescopic rod.

The position of the telescopic rod in the telescopic cylinder is adjusted, and the positions of the fixed block and the first perforation are adjusted.

Preferably, the telescopic cylinder and the supporting block are connected to the supporting disc through bolts.

This preferred solution facilitates the replacement of the fixed block and the support block, as well as the change of position on the support plate.

Preferably, the two support plates are respectively connected to the bracket in a shaft manner through two rotating shafts.

This preferred scheme is convenient for drive the support arm and rotate through the setting of two positioning disk coupling to the convenient spraying.

Preferably, the plurality of extrusion pieces are uniformly distributed along the circumferential direction of the screw.

This preferred scheme is convenient for each extruded piece to prop up the locating hole simultaneously.

The beneficial effects of the utility model are as follows: firstly insert the locating lever in the locating hole from one side of locating hole, then insert the locating hole with the nut from the opposite side of locating hole, and make nut threaded connection on the screw rod, because the nut becomes the toper, consequently, along with the nut constantly insert in the locating hole, thereby the extrusion piece is propped up on the periphery of locating hole, thereby realize the locating lever, the diameter difference of locating lever and locating hole is less simultaneously, the convenience locating lever inserts and supports the locating hole, thereby guarantee the stability of support arm, through the setting of nut screw rod and extrusion piece, the convenience locating lever is from the plug in the locating hole, thereby make things convenient for the installation of support arm, the setting of diameter through the maximum diameter of nut being less than the locating hole, thereby make the nut can not shelter from the side of support arm, thereby guarantee that the paint spraying paint on support arm side is complete.

Drawings

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

FIG. 2 is a schematic side cross-sectional view of one end of a detent lever;

FIG. 3 is a schematic side view of the extruded sheet;

FIG. 4 is a schematic front view of the extruded sheet;

the figure shows:

1. the support arm, 2, locating lever, 3, extrusion piece, 4, screw rod, 5, nut, 6, supporting disk, 7, telescopic cylinder, 8, first perforation, 9, fixed block, 10, supporting block, 11, locating hole.

Detailed Description

In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.

Referring to fig. 1-4, the spraying fixing device is used in spraying of a supporting arm 1, two vertically arranged and transversely extending positioning holes 11 are formed in the supporting arm 1, and the center points of the two positioning holes 11 are located on the same vertical line which extends vertically.

The fixing device comprises a locating rod 2 extending into a locating hole 11, the locating rod is a cylindrical long rod, a screw rod 4 with the diameter smaller than the diameter of the locating rod 2 is fixedly connected to a first end face of the locating rod 2 located in the locating hole 11, a plurality of extrusion sheets 3 distributed along the circumferential direction of the screw rod 4 are connected to the first end face in a shaft mode, the extrusion sheets 3 are distributed evenly along the circumferential direction of the screw rod 4, the screw rod 4 is further connected with a round table-shaped nut 5 in a threaded mode, and the maximum diameter of the nut 5 is smaller than the diameter of the locating hole 11.

The upper and lower parts of the support arm 1 are respectively provided with a support disc 6, the two support discs 6 are respectively connected to the support through two rotating shafts in a shaft mode, the axis of the support disc 6 is collinear with the connecting line of the centers of the two positioning holes 11, and the bottom surface of the upper support disc 6 is provided with a telescopic device.

The telescopic device comprises a telescopic cylinder 7 fixedly connected to the bottom surface of the upper supporting plate 6, a telescopic rod extending vertically is connected in a sliding manner in the telescopic cylinder 7, a plurality of threaded holes extending vertically are formed in the circumferential surface of the telescopic cylinder 7, positioning bolts are connected in threaded holes, and positioning screw holes matched with the positioning bolts are formed in the telescopic rod.

The bottom rigid coupling of telescopic link has fixed block 9, has offered the first perforation 8 that supplies locating lever 2 to run through on the fixed block 9, and the rigid coupling has supporting shoe 10 on the supporting disk 6 of below, offer the second perforation that supplies locating lever 2 to run through on the supporting shoe 10, equal threaded connection has the extrusion bolt that pushes up to on the locating lever 2 on supporting shoe 10 and the fixed block 9.

The telescopic cylinder 7 and the supporting block 10 are connected to the supporting disk 6 through bolts.

When the utility model is used, firstly, two positioning rods 2 are respectively inserted into a first perforation 8 and a second perforation, then the lower positioning rod 2 is inserted into a positioning hole 11 below a supporting arm 1, then a telescopic device is driven to extend downwards, so that a supporting rod positioned above and the positioning hole 11 positioned above are positioned at the same height, the positioning rods 2 are inserted into the positioning holes 11, and finally, the positioning rods 2 are extruded into the corresponding first perforation 8 and second perforation by using extrusion bolts.

When the locating rod 2 is inserted into the locating hole 11, firstly the locating rod 2 is inserted into the locating hole 11 from one side of the locating hole 11, then the nut 5 is inserted into the locating hole 11 from the other side of the locating hole 11, and the nut 5 is connected to the screw rod 4 in a threaded mode.

Of course, the above description is not limited to the above examples, and the technical features of the present utility model that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present utility model and not for limiting the same, and the present utility model has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present utility model and the scope of the appended claims.

Claims

1. Two locating holes (11) which are vertically distributed and transversely extend are formed in the supporting arm (1), and the spraying fixing device is characterized in that: including extending to locating lever (2) in locating hole (11), still the rigid coupling has screw rod (4) that the diameter is less than locating lever (2) diameter on locating lever (2) are located the first terminal surface in locating hole (11), and the coupling has a plurality of extrusion pieces (3) of arranging along screw rod (4) circumference on the first terminal surface, still threaded connection has surface to be round platform form nut (5) on screw rod (4), the maximum diameter of nut (5) is less than the diameter of locating hole (11).

2. The spray fixture of claim 1 wherein: still including being located supporting arm (1) top and supporting disk (6) of below, the axis of supporting disk (6) is collinear with the line at two locating holes (11) centers, is equipped with telescoping device on supporting disk (6) bottom surface of top, the rigid coupling has fixed block (9) on the telescoping device, set up first perforation (8) that supply locating lever (2) to run through on fixed block (9), the rigid coupling has supporting shoe (10) on supporting disk (6) of below, set up the second perforation that supplies locating lever (2) to run through on supporting shoe (10), equal threaded connection has the extrusion bolt that pushes up on locating lever (2) on supporting shoe (10) and the fixed block (9).

3. The spray fixture of claim 2 wherein: the telescopic device comprises a telescopic cylinder (7) fixedly connected to a supporting disc (6) above, a telescopic rod extending vertically is connected in the telescopic cylinder (7) in a sliding mode, the bottom end of the telescopic rod is fixedly connected to the fixed block (9), a plurality of threaded holes extending vertically are formed in the circumferential surface of the telescopic cylinder (7), positioning bolts are connected to the threaded holes in a threaded mode, and positioning screw holes matched with the positioning bolts are formed in the telescopic rod.

4. A spray fixture as claimed in claim 3, wherein: the telescopic cylinder (7) and the supporting block (10) are connected to the supporting disc (6) through bolts.

5. The spray fixture of claim 4 wherein: the two supporting plates (6) are respectively connected to the bracket through two rotating shafts in a shaft mode.

6. The spray fixture of claim 1 wherein: the extrusion sheets (3) are uniformly distributed along the circumferential direction of the screw rod (4).