CN217967058U

CN217967058U - Upper and lower cover material precision mechanical arm

Info

Publication number: CN217967058U
Application number: CN202222283026.4U
Authority: CN
Inventors: 张飞; 张伟; 刘艳争
Original assignee: Henan Four Point Zero Automation Equipment Co ltd
Current assignee: Henan Four Point Zero Automation Equipment Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-12-06
Anticipated expiration: 2032-08-30

Abstract

An accurate mechanical arm for upper and lower cover materials effectively solves the problems that a mechanical claw is easy to slip when clamping materials, and the materials are easy to damage when the mechanical claw has large force; the lower end of the mechanical arm is detachably provided with a fastening device, the lower end of the fastening device is provided with a buffer spring, the lower end of the buffer spring is fixedly provided with a pressing circular plate, the lower end of the pressing circular plate is fixedly provided with a triangular plate, the triangular plate is respectively and fixedly provided with a plurality of suckers, each sucker is respectively connected with a hose, and the upper cover and the lower cover can be adsorbed by matching the sucker with the hose to avoid damage to the upper cover and the lower cover; the effect of cooperation buffer spring avoids the dynamics too big simultaneously, leads to the damage of upper and lower lid, through cooperation between a location section of thick bamboo, voussoir, holding ring, the pressing plate, the pressure spring, can improve the stability of a location section of thick bamboo.

Description

Upper and lower cover material precision mechanical arm

Technical Field

The utility model relates to a technical field, especially an accurate arm of upper and lower cover material are got to robot clamp.

Background

The kit is a tool commonly used by hospitals or pharmaceutical enterprises, is usually used for containing chemical reagents for detecting chemical components, drug residues, virus types and the like, and the existing kit consists of an upper cover, a lower cover and reagent strips, wherein the upper cover and the lower cover are produced in a production process by a production line at present, and then are grabbed to another place by a SCARA robot for assembly;

however, the following problems occur when the SCARA robot is used to grab the upper cover or the lower cover;

1. the existing technical scheme is that a mechanical claw is used for clamping an upper cover or a lower cover, the surfaces of the upper cover and the lower cover are smooth and have certain radians, so that the upper cover and the lower cover are easy to slide off when being clamped by the mechanical claw, and the upper cover or the lower cover is easy to damage when the mechanical claw has high strength;

2. the upper end of the existing mechanical claw is fixedly connected to a mechanical arm of the SCARA robot, and when the mechanical claw breaks down, the mechanical claw is not easy to detach and maintain.

Disclosure of Invention

To the above-mentioned condition, for overcoming prior art's defect, the utility model aims at providing an accurate arm of upper and lower cover material, effectual solved the gripper get the material when easy landing, when the dynamics is great, the problem of the damage of easy material.

The technical scheme of its solution is, the utility model discloses an arm, the lower extreme demountable installation of arm has fastener, fastener's lower extreme is installed buffer spring, buffer spring's lower extreme fixed mounting presses the plectane, the lower extreme fixed mounting who presses the plectane has the set-square, fixed mounting has a plurality of sucking discs, every respectively on the set-square be connected with the hose on the sucking disc respectively.

Preferably, the fastening device comprises a disc fixedly mounted at the lower end of the mechanical arm, a cavity is formed in the lower end of the disc, a positioning barrel is arranged below the disc, a stabilizing column is fixedly mounted at the upper end of the positioning barrel, a plurality of sliding vertical grooves are formed between the stabilizing column and the positioning barrel, a pressing plate is slidably mounted in each sliding vertical groove, a pressing spring is mounted between each pressing plate and the positioning barrel, and the upper end of each buffer spring is mounted on the positioning barrel.

Preferably, a positioning ring is fixedly arranged in the cavity, wedge blocks are fixedly arranged at the upper ends of the pressing plates respectively, and a pressing block is fixedly arranged on the outer side of the lower end of each pressing plate respectively.

Preferably, the lower end of the positioning cylinder is fixedly provided with a pushing disc, and the upper ends of the buffer spring and each hose are respectively and fixedly arranged on the pushing disc.

Preferably, the lower end of each wedge block is rotatably provided with a positioning bead, and the upper end of each positioning ring is provided with a plurality of positioning holes.

Preferably, the outer end of each pressing block is provided with a friction surface.

Compared with the prior art, the utility model has simple structure, convenient operation, novel conception and strong practicability, and can adsorb the upper cover and the lower cover by matching the sucking disc and the sucking hose, thereby avoiding the damage of the upper cover and the lower cover; the effect of cooperation buffer spring avoids the dynamics too big simultaneously, leads to the damage of upper and lower lid, through cooperation between a location section of thick bamboo, voussoir, holding ring, the pressing plate, the pressing spring, can improve the stability of a location section of thick bamboo, uses through the cooperation of location pearl with the locating hole, prevents that a rotation from appearing in the use in a location section of thick bamboo, has made things convenient for simultaneously dismantlement and installation.

Drawings

Fig. 1 is a schematic side view of the present invention.

Fig. 2 is a schematic view of the buffer spring of the present invention.

Fig. 3 is a mounting diagram of the suction cup of the present invention.

Fig. 4 is a view of the wedge block installation of the present invention.

Fig. 5 is a schematic view of the pressing plate of the present invention.

Fig. 6 is a sectional view of the positioning cylinder of the present invention.

Fig. 7 is a cross-sectional view of a disk of the present invention.

The reference numerals in the schematic drawings illustrate:

1. a mechanical arm; 3. A buffer spring; 4. pressing the circular plate; 5. a set square; 6. a suction cup; 7. a hose; 8. a disc; 9. a cavity; 10. a positioning cylinder; 11. a stabilization post; 12. a sliding vertical slot; 13. a pressing plate; 14. a pressing spring; 15. a positioning ring; 16. a wedge block; 17. a pressing block; 18. pushing the disc; 19. positioning the beads; 20. positioning holes; 21. friction surface.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

By figure 1 to 7, including arm 1, arm 1 here can be the arm of SCARA robot, arm 1's lower extreme demountable installation has fastener, fastener's lower extreme installs buffer spring 3, buffer spring 3 here selects according to specific need, buffer spring 3's lower extreme fixed mounting presses down plectane 4, press down plectane 4's lower extreme fixed mounting and remove plectane, remove plectane's lower extreme fixed mounting has set-square 5, fixed mounting has a plurality of sucking discs 6 respectively on set-square 5's the three diaphragm, every sucking disc 6 is soft rubber material preparation respectively, be favorable to adsorbing upper cover or lower cover, the opening respectively of every sucking disc 6 sets up down, every hose 7 is compressible screwed pipe respectively, the lower extreme of every hose 7 is fixed with corresponding sucking disc 6 respectively and is communicated.

In order to facilitate quick installation or disassembly of the device, as shown in fig. 4, the fastening device comprises a disc 8 fixedly connected to the end of the mechanical arm 1, a circular cavity 9 is formed in the lower end of the disc 8, a positioning cylinder 10 is arranged below the disc 8, the diameter of the positioning cylinder 10 is the same as that of the disc 8, a stabilizing column 11 is fixedly installed at the upper end of the positioning cylinder 10, the diameter of the stabilizing column 11 is smaller than that of the cavity 9, the stabilizing column 11 is convenient to insert into the cavity 9, a plurality of rectangular grooves are respectively formed in the circumferential end of the stabilizing column 11, sliding vertical grooves 12 communicated with the rectangular grooves are formed in the positioning cylinder 10, pressing plates 13 are respectively installed in the sliding vertical grooves 12 in a sliding mode, the upper end of each pressing plate 13 slides in the rectangular groove respectively, the lower end of each pressing spring slides in the corresponding vertical groove 12, one end of each pressing spring 14 is fixedly connected to the corresponding pressing plate 13, and the other end of each pressing spring is fixedly connected to the positioning cylinder 10 respectively.

In order to further improve the stability of each pressing plate 13, as shown in fig. 7, a positioning ring 15 is fixedly installed in the cavity 9, the diameter of the stabilizing column 11 is slightly smaller than the inner circle diameter of the positioning ring 15, a certain distance is provided between the upper end surface of the positioning ring 15 and the upper end surface of the cavity 9, a wedge 16 is fixedly installed at the upper end of each pressing plate 13, an inclined surface is formed at the upper end of each wedge 16, and a pressing block 17 is fixedly installed at the outer side of the lower end of each pressing plate 13, so that each pressing plate 13 can be pressed conveniently.

In order to further push the pushing plate 18 to move, as shown in fig. 2, the lower end of the positioning cylinder 10 is fixedly provided with the pushing plate 18, the buffer spring 3 is fixedly connected to the middle of the lower end of the pushing plate 18, and the upper end of each hose 7 is respectively arranged on the pushing plate 18.

In order to prevent the stability of the positioning cylinder 10 from being further improved, as shown in fig. 5 and 7, a plurality of hidden holes are respectively formed in the lower end of each wedge 16, a pushing spring is fixedly mounted in each hidden hole, a positioning ball 19 is rotatably mounted at the other end of each pushing spring, the diameter of each positioning ball 19 and each pushing spring is smaller than that of the corresponding hidden hole, a plurality of positioning holes 20 are respectively formed in the upper end of the positioning ring 15, and a friction surface 21 is respectively arranged at the outer end of each pressing block 17, so that the pressing of the pressing block 17 is facilitated.

The utility model discloses during the use, at first, disc 8 fixed mounting is on the end of arm 1 of SCARA robot, then the staff holds locating cylinder 10 by hand, make the inclined plane on every voussoir 16 contact with the interior round edge of downside of holding ring 15, then push away locating cylinder 10 and move upwards, holding ring 15 slides on the inclined plane of every voussoir 16 this moment, every pressing plate 13 pushes away corresponding pressing spring 14 and compresses simultaneously, at this moment every voussoir 16 can block into the upper end of locating hole 20 fast, at this moment every pressing spring 14 pushes away corresponding pressing plate 13 respectively and hugs closely on the interior round surface of holding ring 15, can make locating cylinder 10 more firm be connected with disc 8 like this, every location pearl 19 pushes away corresponding promotion spring and compresses simultaneously, every location pearl 19 blocks into corresponding locating hole 20 respectively, further prevent like this that locating cylinder 10 from appearing the rotation in the messenger's use, when needing to dismantle, only need the reverse operation can;

when the upper cover and the lower cover are grabbed, the controller is started to work, each hose 7 is connected to the existing air pressure source, the air pressure source is connected with the controller, then the SCARA robot works, at the moment, the mechanical arm 1 of the SCARA robot can move to the position above the upper cover and the lower cover, then the mechanical arm 1 moves downwards, each sucker 6 is in contact adsorption with the upper end face of the corresponding upper cover and the lower cover, and in the process, if the mechanical arm 1 is too high in descending force, the buffer spring 3 can play a role in buffering, and damage to the upper cover and the lower cover is avoided;

criss-cross condition appears in upper and lower lid probably appearing at this in-process, owing to be equipped with three sucking disc 6, can guarantee that two or a sucking disc 6 adsorbs upper and lower lid, avoids appearing sucking disc 6 and inhales the phenomenon, owing to be the adsorption, can not cause the damage of upper and lower lid.

The utility model has simple structure, convenient operation, novel conception and strong practicability, and can adsorb the upper cover and the lower cover by matching the sucking disc and the suction hose, thereby avoiding the damage of the upper cover and the lower cover; the effect of cooperation buffer spring avoids the dynamics too big simultaneously, leads to the damage of upper and lower lid, through location section of thick bamboo, voussoir, holding ring, press the clamp plate, press the cooperation between the spring, can improve the stability of a location section of thick bamboo, uses through the cooperation of location pearl with the locating hole, prevents that the rotation from appearing in the use of a location section of thick bamboo, has made things convenient for simultaneously dismantlement and installation.

Claims

1. The utility model provides an accurate arm of upper and lower cover material, includes arm (1), its characterized in that, the lower extreme demountable installation of arm (1) has fastener, buffer spring (3) are installed to fastener's lower extreme, the lower extreme fixed mounting of buffer spring (3) has presses down plectane (4), the lower extreme fixed mounting who presses down plectane (4) has set-square (5), on set-square (5) respectively fixed mounting have a plurality of sucking discs (6), every be connected with hose (7) on sucking disc (6) respectively.

2. The upper and lower cover material precision mechanical arm of claim 1, wherein the fastening device comprises a disc (8) fixedly mounted on the lower end of the mechanical arm (1), a cavity (9) is formed in the lower end of the disc (8), a positioning cylinder (10) is arranged below the disc (8), a stabilizing column (11) is fixedly mounted at the upper end of the positioning cylinder (10), a plurality of sliding vertical grooves (12) are formed between the stabilizing column (11) and the positioning cylinder (10), a pressing plate (13) is respectively slidably mounted in each sliding vertical groove (12), a pressing spring (14) is mounted between each pressing plate (13) and the positioning cylinder (10), and the upper end of the buffer spring (3) is mounted on the positioning cylinder 10.

3. The upper and lower cover material precision mechanical arm is characterized in that a positioning ring (15) is fixedly arranged in the cavity (9), wedge blocks (16) are respectively and fixedly arranged at the upper ends of the pressing plates (13), and a pressing block (17) is respectively and fixedly arranged at the outer side of the lower end of each pressing plate (13).

4. An upper and lower cover material precision mechanical arm as claimed in claim 2, wherein the lower end of the positioning cylinder 10 is fixedly provided with a pushing disc (18), and the buffer spring (3) and the upper end of each hose (7) are respectively fixedly arranged on the pushing disc (18).

5. The upper and lower cover material precision mechanical arm is characterized in that the lower end of each wedge block (16) is rotatably provided with a positioning ball (19), and the upper end of each positioning ring (15) is provided with a plurality of positioning holes (20).

6. A precision mechanical arm for upper and lower cover materials according to claim 3, characterized in that the outer end of each pressing block (17) is provided with a friction surface (21).