CN112356063A

CN112356063A - Adjusting clamp for mechanical arm

Info

Publication number: CN112356063A
Application number: CN202011297329.0A
Authority: CN
Inventors: 吴强
Original assignee: Suzhou Bohua Technology R & D Co ltd
Current assignee: Suzhou Bohua Technology R & D Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-02-12

Abstract

The invention discloses an adjusting clamp for a mechanical arm, relates to the field of mechanical arms, and aims to solve the problems that the clamping area and the clamping position cannot be adjusted according to requirements in the working process of the existing clamp for the mechanical arm in the prior art, and the overall stability is general. The utility model discloses a clamp, including hollow shaft, shaft coupling, connecting plate, fixed baffle, electronic jar, connecting block, anchor clamps arm lock, connecting cardboard, connecting rod, spacing frame, baffle and connecting plate, the shaft coupling is all installed to the upper end and the lower extreme of hollow shaft, the shaft coupling passes through fixed screw connection with the hollow shaft, just the connecting plate is installed to the lower extreme of hollow shaft, fixed baffle, two are all installed to the below both sides of connecting plate electronic jar is all installed to fixed baffle's inboard, the connecting block is installed to electronic jar one end, the anchor clamps arm lock is installed in fixed baffle's the outside, the connecting cardboard is installed to the below of anchor clamps arm lock, the connecting rod is installed to.

Description

Adjusting clamp for mechanical arm

Technical Field

The invention relates to the technical field of mechanical arms, in particular to an adjusting clamp for a mechanical arm.

Background

A robotic arm generally refers to a programmable robotic arm having similar functionality as a human arm; the arm may be a complete mechanical device or may be part of a more complex robot. Such a manipulator is articulated in such a way that it can perform a rotational movement (for example in an articulated robot) or a translational (linear) movement. The manipulator finally forms a kinematic chain through the connection of each joint. The end of the robot kinematics chain is called an end effector, which resembles a human hand. The mechanical arm is an automatic mechanical device which is widely applied in the technical field of robots at present, and can be seen in the fields of industrial manufacturing, medical treatment, entertainment service, military, space exploration and the like. Although they have different forms, they all have a common feature of being able to receive commands to precisely locate a point in three-dimensional (or two-dimensional) space for work.

The mechanical arm is divided into a multi-joint mechanical arm, a rectangular coordinate mechanical arm, a spherical coordinate mechanical arm, a polar coordinate mechanical arm, a cylindrical coordinate mechanical arm and the like according to different structural forms. With the rapid development of the manufacturing industry in China, articles need to be regularly and tidily stacked or transferred on many occasions such as loading, unloading, transferring and the like. The existing clamp for the mechanical arm cannot adjust the clamping area and position according to requirements in the working process, and has general overall stability; therefore, the market urgently needs to develop an adjusting clamp for the mechanical arm to help people to solve the existing problems.

Disclosure of Invention

The invention aims to provide an adjusting clamp for a mechanical arm, which aims to solve the problems that the clamping area and the clamping position cannot be adjusted according to requirements and the overall stability is general in the working process of the existing clamp for the mechanical arm provided in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an adjusting clamp for arm, includes the hollow shaft, the shaft coupling is all installed to the upper end and the lower extreme of hollow shaft, the shaft coupling passes through fixed screw connection with the hollow shaft, just the connecting plate is installed to the lower extreme of hollow shaft, fixed stop, two are all installed to the below both sides of connecting plate electronic jar is all installed to fixed stop's inboard, the connecting block is installed to the one end of electronic jar, the anchor clamps arm lock is installed in fixed stop's the outside, the connection cardboard is installed to the below of anchor clamps arm lock, the connecting rod is installed to one side of connecting the cardboard, spacing frame is installed to the below of connecting rod, the baffle is installed to the below of spacing frame, install tension spring between baffle and the connection cardboard.

Preferably, hydraulic motors are installed on two sides of the hollow shaft and connected with the connecting plate through screws, and connecting pipes are arranged between the hydraulic motors and the electric cylinders.

Preferably, the electric cylinder is provided with two, fixed stop and connecting plate welded connection, the fixed stop is provided with two, two the electric cylinder all through the engaging lug respectively with two fixed stop swing joint, the one end and the connecting block fixed connection of electric cylinder, the electric cylinder passes through the connecting block and passes through fixed screw connection with the anchor clamps arm lock.

Preferably, the connecting rod is connected with the connecting plate in a welding mode, one side of the limiting frame is provided with a plugboard, the plugboard is embedded into the connecting rod and clamped with the connecting rod, and the connecting rod is connected with the plugboard through a fixing screw.

Preferably, the lower extreme of spacing frame is provided with the draw-in groove, the baffle passes through draw-in groove and spacing frame block, the outside of baffle is provided with the screw hole, the baffle passes through the set screw and is connected with spacing frame.

Preferably, the upper end of the connecting clamping plate is provided with a fixing part, the fixing part is connected with the connecting clamping plate through a fixing screw, the connecting clamping plate is connected with the clamp arm lock through the fixing part, the lower end of the connecting clamping plate is provided with a separation strip, and two ends of the tension spring are respectively connected with the fixing part and the partition plate in a welding mode.

Compared with the prior art, the invention has the beneficial effects that:

the invention can adjust the position of the partition plate according to the object to be clamped when in use by arranging the connecting clamping plates, can move the partition plate to the positions near the two sides of the object to limit the object, is convenient to use and adjust, can drive the electric cylinder to contract by the hydraulic motor to expand the two connecting clamping plates to clamp the object, can drive the two connecting clamping plates to support the object by extending the electric cylinder after being clamped, can limit the object by the partition plate to ensure that the whole object is kept stable, can provide a certain support for the connecting clamping plates by the tension spring in the clamping process, ensures that the connecting clamping plates keep enough stability in the forced moving process, improves the working quality, is convenient to use, has simple structure and convenient operation, and can keep the stability between the connecting rods and the partition plate by the limiting frame, and is convenient to be disassembled and assembled so as to be convenient for long-term work.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a general schematic view of the connection card of the present invention;

fig. 3 is an overall schematic view of the spacing frame and the partition plate of the present invention.

In the figure: 1. a hollow shaft; 2. a coupling; 3. a hydraulic motor; 4. a connecting plate; 5. fixing a baffle plate; 6. a connecting rod; 7. an electric cylinder; 8. connecting blocks; 9. clamping arms of the clamp; 10. connecting a clamping plate; 11. a limiting frame; 12. a partition plate; 13. a fixing member; 14. a tension spring; 15. a dividing strip; 16. inserting plates; 17. a card slot; 18. a threaded bore.

Detailed Description

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

Referring to fig. 1-3, an embodiment of the present invention is shown: an adjusting clamp for a mechanical arm comprises a hollow shaft 1, couplers 2 are mounted at the upper end and the lower end of the hollow shaft 1, the couplers 2 are connected with the hollow shaft 1 through fixed screws, a connecting plate 4 is mounted at the lower end of the hollow shaft 1, fixing baffles 5 are mounted at two sides below the connecting plate 4, electric cylinders 7 are mounted at the inner sides of the two fixing baffles 5, a connecting block 8 is mounted at one end of each electric cylinder 7, a clamp clamping arm 9 is mounted at the outer side of each fixing baffle 5, a connecting clamping plate 10 is mounted below each clamp clamping arm 9, a connecting rod 6 is mounted at one side of each connecting clamping plate 10, a limiting frame 11 is mounted below each connecting rod 6, a partition plate 12 is mounted below each limiting frame 11, a tension spring 14 is mounted between each partition plate 12 and each connecting clamping plate 10, the tension springs 14 can provide certain support for the connecting clamping plates 10, so, the device has the advantages of keeping enough stability, improving the working quality, along with convenient use, simple structure and convenient operation.

Further, hydraulic motor 3 is all installed to the both sides of hollow shaft 1, and hydraulic motor 3 passes through screwed connection with connecting plate 4, is provided with the connecting pipe between hydraulic motor 3 and the electronic jar 7, drives electronic jar 7 through hydraulic motor 3 and stretches out and draws back, carries out centre gripping work.

Further, electronic jar 7 is provided with two, fixed stop 5 and 4 welded connection of connecting plate, fixed stop 5 is provided with two, two electronic jars 7 all through the engaging lug respectively with two 5 swing joint of fixed stop, electronic jar 7's one end and connecting block 8 fixed connection, electronic jar 7 passes through connecting block 8 and passes through fixed screw connection with anchor clamps arm lock 9, drive electronic jar 7 shrink through hydraulic motor 3 for two are connected cardboard 10 and open, can carry out the centre gripping with the article.

Further, connecting rod 6 and connecting plate 4 welded connection, one side of spacing frame 11 is provided with picture peg 16, and picture peg 16 imbeds inside and the connecting rod 6 block of connecting rod 6, and connecting rod 6 is connected with picture peg 16 through the set screw, is convenient for carry out the dismouting to convenient long-term work.

Further, the lower extreme of spacing frame 11 is provided with draw-in groove 17, and baffle 12 passes through draw-in

groove

17 and 11 blocks of spacing frame, and the outside of baffle 12 is provided with screw hole 18, and baffle 12 passes through the fixed screw to be connected with spacing frame 11, and the article of centre gripping as required can adjust the position of baffle 12, and the accessible removes baffle 12 to near article both sides to play spacing effect, convenient to use, and be convenient for adjust the use to the article.

Further, the upper end of connecting cardboard 10 is provided with mounting 13, mounting 13 is connected with connecting cardboard 10 through the set screw, connecting cardboard 10 is connected with anchor clamps arm lock 9 through mounting 13, and the lower extreme of connecting cardboard 10 is provided with parting bead 15, tension spring 14's both ends respectively with mounting 13 and baffle 12 welded connection, accessible tension spring 14 provides certain support to connecting cardboard 10, make connecting cardboard 10 at the atress removal in-process, enough stability is kept, work quality is promoted, high durability and convenient use, moreover, the steam generator is simple in structure, and convenient to operate, and can keep the stability between connecting rod 6 and the baffle 12 through spacing frame 11.

The working principle is as follows: when in use, the hollow shaft 1 is connected with the motor through the coupler 2, the connecting plate 4 can rotate, objects can be clamped according to needs, the position of the partition plate 12 can be adjusted, the partition plate 12 can be moved to the positions near the two sides of the objects, the partition plate 12 can be positioned through the clamping groove 17, the disassembly and the assembly are convenient, the long-term work is convenient, the limiting effect is realized on the objects, the use is convenient, the adjustment and the use are convenient, the hydraulic motor 3 drives the electric cylinder 7 to contract, the two connecting clamping plates 10 are opened, the objects can be clamped, after the clamping is realized, the electric cylinder 7 can be extended, the two connecting clamping plates 10 are driven to support the objects, in addition, the objects can be limited through the partition plate 12, the whole objects are kept stable, in the clamping process, certain support can be provided for the connecting clamping plates 10 through the tension springs 14, and the connecting clamping plates, keep sufficient stability, promoted operating mass, convenient to use, simple structure, the operation of being convenient for, and can keep the stability between connecting rod 6 and baffle 12 through spacing frame 11.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an arm is with adjusting anchor clamps, includes hollow shaft (1), its characterized in that: the upper end and the lower end of the hollow shaft (1) are both provided with a coupler (2), the coupler (2) is connected with the hollow shaft (1) through a fixing screw, a connecting plate (4) is arranged at the lower end of the hollow shaft (1), fixed baffles (5) are arranged on two sides below the connecting plate (4), electric cylinders (7) are arranged on the inner sides of the two fixed baffles (5), one end of the electric cylinder (7) is provided with a connecting block (8), the outer side of the fixed baffle (5) is provided with a clamp arm (9), a connecting clamping plate (10) is arranged below the clamp arm (9), a connecting rod (6) is arranged at one side of the connecting clamping plate (10), a limiting frame (11) is arranged below the connecting rod (6), a clapboard (12) is arranged below the limiting frame (11), and a tension spring (14) is arranged between the partition plate (12) and the connecting clamping plate (10).

2. The adjusting jig for a robot arm according to claim 1, wherein: hydraulic motor (3) are all installed to the both sides of hollow shaft (1), hydraulic motor (3) pass through screwed connection with connecting plate (4), be provided with the connecting pipe between hydraulic motor (3) and electronic jar (7).

3. The adjusting jig for a robot arm according to claim 1, wherein: electronic jar (7) are provided with two, fixed stop (5) and connecting plate (4) welded connection, fixed stop (5) are provided with two, two electronic jar (7) all through engaging lug respectively with two fixed stop (5) swing joint, the one end and the connecting block (8) fixed connection of electronic jar (7), electronic jar (7) are through fixed screw connection through connecting block (8) and anchor clamps arm lock (9).

4. The adjusting jig for a robot arm according to claim 1, wherein: connecting rod (6) and connecting plate (4) welded connection, one side of spacing frame (11) is provided with picture peg (16), picture peg (16) embedding connecting rod (6) inside and connecting rod (6) block, just connecting rod (6) are connected with picture peg (16) through the set screw.

5. The adjusting jig for a robot arm according to claim 4, wherein: the lower extreme of spacing frame (11) is provided with draw-in groove (17), baffle (12) pass through draw-in groove (17) and spacing frame (11) block, the outside of baffle (12) is provided with screw hole (18), baffle (12) are connected with spacing frame (11) through the set screw.

6. The adjusting jig for a robot arm according to claim 1, wherein: the clamp is characterized in that a fixing piece (13) is arranged at the upper end of the connecting clamp plate (10), the fixing piece (13) is connected with the connecting clamp plate (10) through a fixing screw, the connecting clamp plate (10) is connected with the clamp arm (9) through the fixing piece (13), a separating strip (15) is arranged at the lower end of the connecting clamp plate (10), and two ends of the tension spring (14) are respectively connected with the fixing piece (13) and the partition plate (12) in a welding mode.