CN211030069U

CN211030069U - Mechanical arm for machining adjustment

Info

Publication number: CN211030069U
Application number: CN201921841691.2U
Authority: CN
Inventors: 段梦理
Original assignee: Zhuzhou Special Chain Co ltd
Current assignee: Zhuzhou Special Chain Co ltd
Priority date: 2019-10-26
Filing date: 2019-10-26
Publication date: 2020-07-17
Anticipated expiration: 2029-10-26

Abstract

The utility model provides an arm is used in machining regulation relates to arm technical field. This mechanical processing is adjusted and is used arm, which comprises a worktable, the inside of board is pegged graft and is had the screw thread post, two regulating wheels have been cup jointed to the outside screw thread of screw thread post, two regulating wheels all with the surface contact of board, the one end that the board was kept away from to the screw thread post articulates there is the control arm, the inside below that is located the screw thread post of board is pegged graft and is had two slide bars, the one end that the board was kept away from to two slide bars all articulates with the control arm, the one end fixed mounting that the board was kept away from to two slide bars has the sleeve, the. This mechanical arm is used in machining regulation through setting up four chucking devices, connecting device and screw thread post, has solved current industrial robotic arm when using, because its inconvenient regulation leads to robotic arm can not carry out different operations according to the condition of difference to influence the problem of robotic arm in the use of industrial processing.

Description

Mechanical arm for machining adjustment

Technical Field

The utility model relates to an arm technical field specifically is an arm for machining adjustment.

Background

Industrial robots are mechatronics devices that mimic the functions of an arm, wrist, and hand. A mechatronic device that simulates the functions of an arm, a wrist, and a hand; it can move any object or tool according to the time-varying requirement of space pose (position and posture), so as to meet the operation requirement of some industrial production. Such as clamping a welding tongs or a welding gun, and carrying out spot welding or arc welding on the automobile or motorcycle body; carrying die-cast or punch-formed parts or components; carrying out laser cutting; spraying; assembling mechanical parts, etc.

However, when the existing mechanical arm for workers is used, the mechanical arm cannot be operated differently according to different conditions due to the inconvenience of adjustment, so that the use of the mechanical arm in the machining process for workers is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a mechanical arm is used in machining regulation has solved current industrial robotic arm when using, because its inconvenient regulation leads to robotic arm can not carry out different operations according to the condition of difference to influence the problem of robotic arm use in the industrial course of working.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an mechanical arm for machining adjustment comprises a machine table, a threaded column is inserted into the machine table, two adjusting wheels are sleeved on the outer threads of the threaded column, the two adjusting wheels are in contact with the surface of the machine table, a control arm is hinged to one end, away from the machine table, of the threaded column, two sliding rods are inserted into the machine table and located below the threaded column, one ends, away from the machine table, of the two sliding rods are hinged to the control arm, a rotary drum is fixedly mounted at one end, away from the machine table, of the rotary drum, the end, away from the sliding rods, of the rotary drum is hinged to the control arm, a pressing block is arranged inside the control arm, a spring is arranged between the pressing block and the control arm, two ends of the spring are respectively and fixedly connected with the control arm and the pressing block, four clamping devices are hinged to the inside of the control arm, a mounting seat is arranged at one end, the clamping device comprises a hinged rod, a clamping end and a pressure spring, one end of the hinged rod is hinged with the inner wall of the control arm, the other end of the hinged rod is fixedly connected with the clamping end, the pressure spring is positioned between the hinged rod and the inner wall of the control arm, two ends of the pressure spring are respectively fixedly connected with the hinged rod and the control arm, the connecting device comprises a push rod, a trapezoidal block, a sleeve and four insert rods, one end of the push rod is fixedly connected with the mounting seat, the sleeve is sleeved at one end of the push rod away from the mounting seat, the four insert rods penetrate through the outer wall of the sleeve, one end of the insert rod positioned in the sleeve is fixedly connected with a wedge, the wedge is contacted with the trapezoidal block, small springs are sleeved outside the insert rods, one ends of the four small springs, which are close to each other, are respectively fixedly connected with the four wedge, a circle of placing groove is formed in the outer surface of the sleeve, one end of the insert rod, the clamping end is clamped in the clamping groove.

Preferably, the two sliding rods are arranged in parallel, the two sliding rods are symmetrically arranged with the axis of the machine table, and the two sliding rods can play a role in adjusting the distance between the control arm and the machine table.

Preferably, the surface of the pressing block, which is far away from the spring, is of a groove-shaped structure, the diameter of the pressing block is smaller than that of the inside of the control arm, and the pressing block can move up and down in the inside of the control arm.

Preferably, the four clamping devices are located on the same plane, the four clamping devices are distributed in an equidistant circumferential array mode according to the axis line of the control arm, and the four clamping devices can achieve the effect of clamping the connecting device.

Preferably, the bottom end of the sleeve is of a tip-shaped structure, the four rods are distributed in an equidistant circumferential array mode by using the axial lead of the sleeve, and the four insertion rods are matched with the four hinge rods.

(III) advantageous effects

The utility model provides an arm is used in machining regulation. The method has the following beneficial effects:

1. The mechanical arm for machining adjustment is provided with the four clamping devices, the connecting device and the threaded column, the extending length of the threaded column can be adjusted when the adjusting wheel is rotated, two sliding rods can slide in the machine table during adjustment, the hinge rod starts to rotate when the connecting device is inserted in the control arm, the compression spring is further driven to compress, the clamping end can be clamped in the clamping groove, the lower end of the sleeve is in contact with the upper surface of the pressing block, the spring is compressed when stressed, the mounting seat drives the ejector rod to move when the mounting seat is pressed downwards, the further ejector rod drives the trapezoidal block to extrude the wedge-shaped block, the outer part of the sleeve extrudes the hinge rod when the inserting rod is stressed, the clamping end starts to leave the clamping groove, the mounting seat can be taken down at the moment, and the effects of conveniently adjusting the mechanical arm and replacing the type of the mechanical arm are achieved, the problem of current industrial robot arm when using, because its inconvenient regulation leads to robotic arm can not carry out different operations according to the condition of difference to influence robotic arm in the use course of working is solved.

2. This mechanical arm is adjusted and is used, through setting up the standing groove, the inserted bar can be located the inside of standing groove when not receiving trapezoidal piece power, when the sleeve injects the control arm inside, the inserted bar does not influence the progress that the sleeve was pegged graft.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

Fig. 3 is a schematic structural diagram of the control arm of the present invention;

Fig. 4 is an enlarged view of a portion a in fig. 2 according to the present invention.

The device comprises a machine table 1, a threaded column 2, an adjusting wheel 3, a control arm 4, a sliding rod 5, a pressing block 6, a spring 7, a clamping device 8, a hinged rod 81, a clamping end 82, a compression spring 83, a mounting seat 9, a connecting device 10, a top rod 101, a trapezoidal block 102, a rotary drum 103, an inserted rod 104, a wedge block 105, a small spring 106, a placement groove 107, a clamping groove 108, a limiting column 11 and a sleeve 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides a mechanical arm for machining adjustment:

In the first embodiment, as shown in fig. 1-4, the device comprises a machine table 1, a threaded column 2 is inserted into the machine table 1, two adjusting wheels 3 are sleeved on the outer threads of the threaded column 2, both adjusting wheels 3 are in contact with the surface of the machine table 1, a control arm 4 is hinged to one end of the threaded column 2 away from the machine table 1, two sliding rods 5 are inserted into the machine table 1 below the threaded column 2, both ends of the two sliding rods 5 away from the machine table 1 are hinged to the control arm 4, a rotating cylinder 12 is fixedly installed at one end of the two sliding rods 5 away from the machine table 1, one end of the rotating cylinder 12 away from the sliding rods 5 is hinged to the control arm 4, the two sliding rods 5 are arranged in parallel, the two sliding rods 5 are symmetrically arranged with the axial lead of the machine table 1, the two sliding rods 5 can play a role in adjusting the distance between the control arm 4 and the machine table 1, a pressing block 6 is, spring 7's both ends respectively with

control arm

4 and 6 fixed connection of briquetting, the one side that spring 7 was kept away from to briquetting 6 is recess column structure, the diameter of briquetting 6 is less than the inside diameter of control arm 4, briquetting 6 can reciprocate in the inside of control arm 4, the inside of control arm 4 articulates there are four chucking devices 8, the one end that board 1 was kept away from to control arm 4 is provided with mount pad 9, the one side fixed mounting that mount pad 9 is close to control arm 4 has connecting device 10 and spacing post 11.

In the second embodiment, as shown in fig. 1 to 4, the clamping device 8 includes an articulated rod 81, a clamping end 82 and a pressure spring 83, one end of the articulated rod 81 is articulated with the inner wall of the control arm 4, the other end of the articulated rod 81 is fixedly connected with the clamping end 82, the pressure spring 83 is located between the articulated rod 81 and the inner wall of the control arm 4, two ends of the pressure spring 83 are respectively fixedly connected with the articulated rod 81 and the control arm 4, the four clamping devices 8 are located on the same plane, the four clamping devices 8 are distributed in a circumferential array with equal intervals between the axial leads of the control arm 4, and the four clamping devices 8 can achieve the effect of clamping the connecting device 10.

In the third embodiment, as shown in fig. 1 to 4, the connecting device 10 includes a top rod 101, a trapezoidal block 102, a sleeve 103, and four inserting rods 104, one end of the top rod 101 is fixedly connected to the mounting seat 9, the sleeve 103 is sleeved on one end of the top rod 101 away from the mounting seat 9, the four inserting rods 104 penetrate through the outer wall of the sleeve 103, one end of the inserting rod 104 located inside the sleeve 103 is fixedly connected to a wedge block 105, the wedge block 105 contacts with the trapezoidal block 102, small springs 106 are sleeved outside the inserting rods 104, one ends of the four small springs 106 close to each other are respectively fixedly connected to the four wedge blocks 105, a circle of placing groove 107 is formed in the outer surface of the sleeve 103, one end of the inserting rod 104 located outside the sleeve 103 is located inside the placing groove 107, one end of the outer surface of the sleeve 103 located above the placing groove 107 is formed with a clamping groove 108, the clamping end 82 is located inside the clamping groove 108, the four insertion rods 104 are distributed at equal intervals in a circumferential array around the axis of the sleeve 103, and the four insertion rods 104 are matched with the four hinge rods 81.

When using, can adjust the length that screw thread post 2 stretches out when rotating regulating wheel 3, two slide bars 5 can slide in the inside of board 1 during the regulation, peg graft connecting device 10 when control arm 4 is inside, articulated rod 81 begins to rotate, further drive pressure spring 83 compression, joint end 82 can joint in the inside of draw-in groove 108 this moment, the lower extreme of sleeve 103 and the last surface contact of briquetting 6 simultaneously, the spring 7 atress begins to compress, when pressing down mount pad 9, mount pad 9 drives ejector pin 101 and removes, further ejector pin 101 drives trapezoidal piece 102 extrusion wedge 105, the atress stretches out the outside extrusion articulated rod 81 of sleeve 103 when inserted bar 104 begins this moment, joint end 82 begins to leave draw-in groove 108, mount pad 9 can be taken off this moment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mechanical arm for machining adjustment, includes board (1), its characterized in that: a threaded column (2) is inserted into the machine table (1), two adjusting wheels (3) are sleeved on the outer threads of the threaded column (2), the two adjusting wheels (3) are both contacted with the surface of the machine table (1), a control arm (4) is hinged to one end, far away from the machine table (1), of the threaded column (2), two sliding rods (5) are inserted into the machine table (1) and are positioned below the threaded column (2), one ends, far away from the machine table (1), of the two sliding rods (5) are both hinged to the control arm (4), a pressing block (6) is arranged inside the control arm (4), a spring (7) is arranged between the pressing block (6) and the control arm (4), two ends of the spring (7) are respectively fixedly connected with the control arm (4) and the pressing block (6), four clamping devices (8) are hinged to the inside of the control arm (4), a mounting seat (9) is arranged at one end, far away from the machine table (1), one surface of the mounting seat (9) close to the control arm (4) is fixedly provided with a connecting device (10) and a limiting column (11).

2. A machining adjustment robot arm as claimed in claim 1, wherein: one end of each of the two sliding rods (5) far away from the machine table (1) is fixedly provided with a rotary drum (12), and one end of each rotary drum (12) far away from the corresponding sliding rod (5) is hinged to the corresponding control arm (4).

3. A machining adjustment robot arm as claimed in claim 2, wherein: chucking device (8) are including articulated rod (81), joint end (82) and pressure spring (83), and the one end of articulated rod (81) is articulated with the inner wall of control arm (4), and the other end and joint end (82) fixed connection of articulated rod (81), pressure spring (83) are located between articulated rod (81) and control arm (4) inner wall, the both ends of pressure spring (83) respectively with articulated rod (81) and control arm (4) fixed connection.

4. A machining adjustment robot arm as claimed in claim 3, wherein: connecting device (10) include ejector pin (101), trapezoidal piece (102), sleeve (103) and four inserted bars (104), the one end and mount pad (9) fixed connection of ejector pin (101), sleeve (103) cup joint the one end of keeping away from mount pad (9) at ejector pin (101), the outer wall of sleeve (103) is run through to four inserted bars (104), inserted bar (104) are located sleeve (103) inside one end fixedly connected with wedge (105), wedge (105) and trapezoidal piece (102) contact, little spring (106) have all been cup jointed to the outside of inserted bar (104), the one end that four little spring (106) are close to each other respectively with four wedge (105) fixed connection.

5. A machining adjustment robot arm as claimed in claim 4, wherein: the outer surface of sleeve (103) is seted up round standing groove (107), and the one end that inserted bar (104) are located sleeve (103) outside all is located the inside of standing groove (107).

6. A machining adjustment robot arm as claimed in claim 5, wherein: a clamping groove (108) is formed in one end, located above the placing groove (107), of the outer surface of the sleeve (103), and the clamping end (82) is clamped inside the clamping groove (108).