CN216502807U

CN216502807U - Elbow tapping mechanical arm

Info

Publication number: CN216502807U
Application number: CN202122881876.XU
Authority: CN
Inventors: 王锦海
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-13
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses an elbow tapping mechanical arm which comprises a fixed block and a spring, wherein one side of the fixed block is provided with an installation groove, and a base is embedded into one side of the installation groove; the tapping device is characterized in that a rotating shaft is connected to the bottom of the tapping device, one end of the rotating shaft is connected with a baffle, a notch is formed in one side of the rotating shaft and one side of the baffle, a screw tap is embedded in one end of the rotating shaft and close to the notch, a protruding block is fixed on one side of the screw tap, a hollow groove is formed in the protruding block, clamping blocks are connected to two sides of the hollow groove, and a spring is connected between the clamping blocks. This elbow tapping arm is provided with lug and fixture block, when needing to be changed the screw tap, closes tapping device earlier, then presses two sets of fixture blocks together, when the distance sum between two sets of fixture blocks is less than the width of breach, pulls out the screw tap down, when making between screw tap and the pivot gliding, the lug also can be smoothly through the breach, until taking off, is convenient for change.

Description

Elbow tapping mechanical arm

Technical Field

The utility model relates to the technical field of mechanical arms, in particular to an elbow tapping mechanical arm.

Background

Tapping is to screw a screw tap into a bottom hole to be drilled by using a certain torque to process internal threads, the screw tap is rightly arranged as much as possible when tapping is started, then the tap is pressurized and the drift holder is rotated, when cutting into 1-2 circles, the position of the tap is carefully checked and corrected, when cutting into 3-4 circles of threads, the position of the tap is correct, afterwards, only the drift holder is rotated, the screw tap is not stressed, otherwise the thread shape is damaged, when the tapping is carried out, the screw tap is inverted for about 1/2 circles after 1/2-1 circles of the wrench, so that the chips are easy to discharge after being broken, the phenomenon that the cutting edge rolls due to chip sticking can be reduced, the elbow tapping mechanical arm is developed to a great extent along with the development of science and technology, great convenience is brought to people in the process of machining threads on workpieces through the development of the elbow tapping mechanical arm, and the type and the number of the elbow tapping mechanical arm are increasing day by day.

Elbow tapping arm on the existing market is mostly inconvenient to use, is not convenient for install fixed robotic arm, is not convenient for dismantle and overhauls chasing bar, is not convenient for change the screw tap, consequently will improve present elbow tapping arm.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an elbow tapping mechanical arm, which solves the problems that the elbow tapping mechanical arm in the current market is mostly inconvenient to use, install and fix, disassemble and overhaul a tapping device and replace a screw tap.

In order to achieve the purpose, the utility model provides the following technical scheme: an elbow tapping mechanical arm comprises a fixed block and a spring, wherein one side of the fixed block is provided with an installation groove, and a base is embedded into one side of the installation groove;

a rotating groove is formed in the base, a rotating rod is connected to one side of the rotating groove, a square block is connected to one end of the rotating rod, a square groove is formed in the base close to the rotating rod, and a mechanical arm body is mounted at the top of the base;

one side of the mechanical arm body is connected with a connecting block, one side of the connecting block is connected with a bidirectional threaded rod, one side of the connecting block, which is close to the bidirectional threaded rod, is provided with a sliding groove, one side of the bidirectional threaded rod is connected with a sliding block, one side of the sliding block is connected with a clamping block, one side of the clamping block is provided with an arc-shaped groove, a tapping device is connected between the arc-shaped grooves, and one side of the tapping device, which is close to the arc-shaped groove, is provided with a groove;

the tapping device is characterized in that a rotating shaft is connected to the bottom of the tapping device, one end of the rotating shaft is connected with a baffle, a notch is formed in one side of the rotating shaft and one side of the baffle, a screw tap is embedded in one end of the rotating shaft, a convex block is fixed to one side of the screw tap, a hollow groove is formed in the convex block, clamping blocks are connected to two sides of the hollow groove, and the spring is connected between the clamping blocks.

Preferably, a rotating structure is formed between the rotating rod and the fixed block through a rotating groove, the diameter of the rotating rod is equal to the width of the square block, and the cross section of the square block is the same as that of the square groove.

Preferably, four groups of square blocks and four groups of square grooves are arranged on each of the square blocks and the square grooves, and the four groups of square blocks and the four groups of square grooves are respectively distributed on one sides of the fixed block and the base in an array mode.

Preferably, the sliding block is rectangular, the sliding block is in threaded connection with the bidirectional threaded rod, and the sliding block is in sliding connection with the sliding groove.

Preferably, the clamping blocks and the arc-shaped grooves are semicircular, and the inner size of each arc-shaped groove is matched with the outer size of each groove.

Preferably, the clamping blocks are symmetrically distributed on two sides of the convex block, the clamping blocks and the hollow groove form a telescopic structure through springs, and the convex block is in sliding connection with the notch.

This elbow tapping arm: compared with the prior art, the utility model has the beneficial effects that:

the rotary rod type base has the beneficial effects that 1, the square block and the square groove are arranged, the square block is rotated, the square block drives the rotary rod to rotate through the rotary groove until the square block on the fixed block is rotated to a position parallel to the square groove at the bottom of the base, then the square groove at the bottom of the base is aligned with the square block, the base is aligned with the installation groove and inserted, then the square block is rotated by 90 degrees, so that the square block and the square groove are mutually vertical to form dislocation, the square block prevents the base from being pulled out, and the installation and the fixation are completed;

the tapping device has the beneficial effects that the clamping blocks and the arc-shaped grooves are arranged, the groove part on one side of the tapping device is placed between the arc-shaped grooves of the two groups of clamping blocks, then the bidirectional threaded rod is rotated, the bidirectional threaded rod drives the sliding block to slide in the sliding groove in the opposite direction, the sliding block slides to drive the clamping blocks to move in the opposite direction, the groove part of the tapping device is extruded and fixed by the arc-shaped grooves, and when the tapping device needs to be disassembled, the bidirectional threaded rod is rotated in the opposite direction, so that the two groups of clamping blocks are mutually far away from each other and the tapping device is not clamped any more, the tapping device can be smoothly taken down, and the tapping device is convenient to disassemble and maintain;

the screw tap has the beneficial effects that the convex block and the fixture blocks are arranged, when the screw tap needs to be replaced, the tapping device is closed firstly, then the two sets of fixture blocks are pressed together, and when the sum of the distances between the two sets of fixture blocks is smaller than the width of the notch, the screw tap is pulled downwards, so that the screw tap and the rotating shaft slide, and meanwhile, the convex block can smoothly pass through the notch until the convex block is taken down, so that the screw tap is convenient to replace.

Drawings

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

FIG. 2 is a schematic top view of the clamping block of the present invention;

FIG. 3 is a schematic top view of the base of the present invention;

FIG. 4 is an enlarged view of the part A of the present invention;

FIG. 5 is a schematic view of the enlarged structure of the part B of the present invention.

In the figure: 1. a fixed block; 2. mounting grooves; 3. a base; 4. a rotating tank; 5. rotating the rod; 6. a square block; 7. a square groove; 8. a mechanical arm body; 9. connecting blocks; 10. a chute; 11. a bidirectional threaded rod; 12. a slider; 13. a clamping block; 14. an arc-shaped slot; 15. a tapping device; 16. a groove; 17. a rotating shaft; 18. a baffle plate; 19. a notch; 20. a screw tap; 21. a bump; 22. a hollow groove; 23. a clamping block; 24. a spring.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

an elbow tapping mechanical arm comprises a fixed block 1, a mounting groove 2, a base 3, a rotary groove 4, a rotary rod 5, a square block 6, a square groove 7, a mechanical arm body 8, a connecting block 9, a sliding groove 10, a bidirectional threaded rod 11, a sliding block 12, a clamping block 13, an arc-shaped groove 14, a tapping device 15, a groove 16, a rotating shaft 17, a baffle plate 18, a notch 19, a screw tap 20, a convex block 21, a hollow groove 22, a clamping block 23 and a spring 24, wherein the mounting groove 2 is formed in one side of the fixed block 1, and the base 3 is embedded in one side of the mounting groove 2;

a rotating groove 4 is formed in the base 3, a rotating rod 5 is connected to one side of the rotating groove 4, a rotating structure is formed between the rotating rod 5 and the fixed block 1 through the rotating groove 4, the diameter of the rotating rod 5 is equal to the width of the square block 6, the cross section size of the square block 6 is equal to that of the square groove 7, the square block 6 is rotated, the square block 6 drives the rotating rod 5 to rotate through the rotating groove 4 until the square block 6 on the fixed block 1 rotates to a position parallel to the square groove 7 at the bottom of the base 3, then the square groove 7 at the bottom of the base 3 is aligned to the square block 6, the base 3 is inserted into the mounting groove 2 in an alignment manner, the square block 6 is connected to one end of the rotating rod 5, four groups of the square blocks 6 and the square grooves 7 are arranged, and the four groups of the square blocks 6 and the square grooves 7 are respectively distributed on one sides of the fixed block 1 and the base 3 in an array manner, all the square blocks 6 are rotated by 90 degrees, so that the square blocks 6 and the square grooves 7 are perpendicular to each other to form dislocation, the four groups of square blocks 6 distributed in an array mode prevent the base 3 from being pulled out, the fixing is convenient, the square grooves 7 are formed in the base 3 close to the rotating rod 5, and the top of the base 3 is provided with a mechanical arm body 8;

one side of the mechanical arm body 8 is connected with a connecting block 9, one side of the connecting block 9 is connected with a bidirectional threaded rod 11, one side of the connecting block 9 close to the bidirectional threaded rod 11 is provided with a sliding groove 10, one side of the bidirectional threaded rod 11 is connected with a sliding block 12, the sliding block 12 is rectangular, the sliding block 12 is in threaded connection with the bidirectional threaded rod 11, the sliding block 12 is in sliding connection with the sliding groove 10, the bidirectional threaded rod 11 is rotated, the bidirectional threaded rod 11 drives the sliding block 12 to slide in the sliding groove 10 in an opposite direction, the sliding block 12 drives the clamping blocks 13 to move in an opposite direction so as to be convenient to clamp, one side of the sliding block 12 is connected with a clamping block 13, the clamping block 13 and the arc-shaped groove 14 are both semicircular, the inner size of the arc-shaped groove 14 is matched with the outer size of the groove 16, the bidirectional threaded rod 11 is rotated to enable the two groups of the clamping blocks 13 to move together, and the groove 16 of the tapping device 15 is extruded and fixed by the arc-shaped groove 14, when the two-way threaded rod 11 needs to be disassembled, the two groups of clamping blocks 13 are far away from each other and do not clamp the tapping device 15 any more, so that the tapping device 15 can be smoothly taken down, the disassembly and the maintenance are convenient, an arc-shaped groove 14 is formed in one side of each clamping block 13, the tapping device 15 is connected between the arc-shaped grooves 14, and a groove 16 is formed in one side, close to the arc-shaped groove 14, of the tapping device 15;

the bottom of the tapping device 15 is connected with a rotating shaft 17, one end of the rotating shaft 17 is connected with a baffle 18, one side of the rotating shaft 17 and one side of the baffle 18 are both provided with a notch 19, one end of the rotating shaft 17 is embedded with a screw tap 20, one side of the screw tap 20 close to the notch 19 is fixed with a convex block 21, a hollow groove 22 is formed in the convex block 21, two sides of the hollow groove 22 are both connected with clamping blocks 23, the clamping blocks 23 are symmetrically distributed on two sides of the convex block 21, the clamping blocks 23 and the hollow groove 22 form a telescopic structure through springs 24, the convex block 21 and the notch 19 are in sliding connection, the tapping device 15 is closed, then the two groups of clamping blocks 23 are pressed together, when the sum of the distances between the two groups of clamping blocks 23 is smaller than the width of the notch 19, the screw tap 20 is pulled downwards, so that the convex block 21 can smoothly pass through the notch 19 while the screw tap 20 and the rotating shaft 17 are sliding until the convex block is taken down, the spring 24 is connected between the latch blocks 23.

The working principle is as follows:

when the elbow tapping mechanical arm is used, firstly, the square block 6 is rotated, the square block 6 drives the rotating rod 5 to rotate through the rotating groove 4 until the square block 6 on the fixed block 1 rotates to a position parallel to the square groove 7 at the bottom of the base 3, then the square groove 7 at the bottom of the base 3 is aligned with the square block 6, then the base 3 is aligned with the installation groove 2 to be inserted, then the square block 6 is rotated 90 degrees, the square block 6 and the square groove 7 are mutually vertical to form dislocation, the square block 6 prevents the base 3 from being pulled out, the installation and the fixation are completed, then, the groove 16 part at one side of the tapping device 15 is placed between the arc grooves 14 of the two groups of clamping blocks 13, then the bidirectional threaded rod 11 is rotated, the sliding block 12 is driven to slide in the sliding groove 10, the sliding block 12 drives the clamping blocks 13 to move in opposite directions until the two groups of clamping blocks 13 move together, the groove 16 part of the tapping device 15 is extruded and fixed by the arc grooves 14, when the screw tap 20 needs to be replaced, the tapping device 15 is closed, then the two clamping blocks 23 are pressed together until the sum of the distances between the two clamping blocks 23 is smaller than the width of the notch 19, the screw tap 20 is pulled downwards, the screw tap 20 and the rotating shaft 17 slide, the lug 21 can smoothly pass through the notch 19 until the screw tap 20 is removed, then one side of the lug 21 of a new screw tap 20 is aligned with the notch 19, the new screw tap 20 is inserted into the rotating shaft 17, the clamping blocks 23 on the two sides of the lug 21 are extruded by the baffle 18 on one side of the notch 19 when the rotating shaft 17 moves, the spring 24 is compressed into the hollow groove 22 after the clamping blocks 23 are extruded, and the lug 21 completely moves out of the range of the notch 19 of the baffle 18, the latch 23 is reset to eject due to the elastic force of the spring 24 when the compression is lost, and the ejected latch 23 contacts the stop plate 18 to prevent the tap 20 from being pulled out, so that the replacement is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an elbow tapping arm, includes fixed block (1) and spring (24), its characterized in that: one side of the fixed block (1) is provided with an installation groove (2), and a base (3) is embedded into one side of the installation groove (2);

a rotating groove (4) is formed in the base (3), a rotating rod (5) is connected to one side of the rotating groove (4), a square block (6) is connected to one end of the rotating rod (5), a square groove (7) is formed in the base (3) close to the rotating rod (5), and a mechanical arm body (8) is mounted at the top of the base (3);

one side of the mechanical arm body (8) is connected with a connecting block (9), one side of the connecting block (9) is connected with a bidirectional threaded rod (11), one side of the connecting block (9) close to the bidirectional threaded rod (11) is provided with a sliding groove (10), one side of the bidirectional threaded rod (11) is connected with a sliding block (12), one side of the sliding block (12) is connected with a clamping block (13), one side of the clamping block (13) is provided with an arc-shaped groove (14), a tapping device (15) is connected between the arc-shaped grooves (14), and one side of the tapping device (15) close to the arc-shaped groove (14) is provided with a groove (16);

tapping device (15) bottom is connected with pivot (17), pivot (17) one end is connected with baffle (18), breach (19) have all been seted up to pivot (17) and baffle (18) one side, pivot (17) one end gomphosis has screw tap (20), is close to breach (19) screw tap (20) one side is fixed with lug (21), hollow groove (22) have been seted up to lug (21) inside, hollow groove (22) both sides all are connected with fixture block (23), spring (24) are connected between fixture block (23).

2. The elbow tapping mechanical arm of claim 1, wherein: constitute revolution mechanic through swivelling chute (4) between rotary rod (5) and fixed block (1), and the diameter of rotary rod (5) equals with the width of square piece (6) to the cross sectional dimension of square piece (6) is the same with the cross sectional dimension of square groove (7).

3. The elbow tapping mechanical arm of claim 1, wherein: the square blocks (6) and the square grooves (7) are provided with four groups, and the four groups of square blocks (6) and the four groups of square grooves (7) are respectively distributed on one sides of the fixed block (1) and the base (3) in an array mode.

4. The elbow tapping mechanical arm of claim 1, wherein: the sliding block (12) is rectangular, the sliding block (12) is in threaded connection with the bidirectional threaded rod (11), and the sliding block (12) is in sliding connection with the sliding groove (10).

5. The elbow tapping mechanical arm of claim 1, wherein: the clamping blocks (13) and the arc-shaped grooves (14) are semicircular, and the inner size of the arc-shaped grooves (14) is matched with the outer size of the grooves (16).

6. The elbow tapping mechanical arm of claim 1, wherein: the clamping blocks (23) are symmetrically distributed on two sides of the convex block (21), the clamping blocks (23) and the hollow groove (22) form a telescopic structure through springs (24), and the convex block (21) is in sliding connection with the notch (19).