CN211940755U

CN211940755U - Stud screw thread work piece screws up device

Info

Publication number: CN211940755U
Application number: CN202020475002.7U
Authority: CN
Inventors: 尤盛; 李波
Original assignee: Wuxi Famous Precision Technology Co ltd
Current assignee: Wuxi Famous Precision Technology Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-11-17
Anticipated expiration: 2030-04-03

Abstract

The utility model discloses a stud threaded workpiece tightening device, which comprises a first mounting plate, wherein the upper surface of the first mounting plate is fixedly provided with a tightening machine through bolts, the upper surface of the first mounting plate is fixedly connected with a first supporting column, the top of the first supporting column is fixedly connected with a second mounting plate, the upper surface of the second mounting plate is fixedly connected with a second supporting column, the upper surface of the second supporting column is fixedly connected with a top plate, and the lower surface of the first mounting plate is fixedly connected with a fixing ring; according to the device for screwing the threaded workpiece of the stud bolt, the anti-rotation torque of the coarse thread pitch is small, and the clearance between the external thread of the stud bolt and the internal thread of the tool combination is eliminated by the rotation of the coarse thread during forward rotation, so that the screwing torque is transmitted; and the coarse thread is firstly released by reverse rotation, the gap between the stud and the tool combined internal thread is recovered, the thread is prevented from being seized, and the damage to the surface of the stud thread in the screwing-out process is reduced to the maximum extent.

Description

Stud screw thread work piece screws up device

Technical Field

The utility model relates to a device is screwed up to stud screw thread work piece especially relates to the machine of screwing up technical field.

Background

A tightening machine refers to an electric wrench tool, and in the existing tightening machine, during the tightening operation, the tightening torque is large, the acting force cannot be accurately controlled, the pressing force is too small, and bolts can be loosened due to vibration or cyclic load. The excessive pressing force is easy to cause the fracture and deformation of the connecting components.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a stud screw thread work piece tightening device.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a device is screwed up to stud screw thread work piece, including first mounting panel, the upper surface of first mounting panel has the machine of screwing up through bolt fixed mounting, the last fixed surface of first mounting panel is connected with first support column, the top fixedly connected with second mounting panel of first support column, the last fixed surface of second mounting panel is connected with the second support column, the last fixed surface of second support column is connected with top 5 boards, the lower fixed surface of first mounting panel is connected with solid fixed ring, gu fixed ring's lower surface is provided with screws up the part, screws up the part including fixed cover.

Preferably, a protection opening is formed in the upper surface of the second mounting plate, and the tightening machine is located on the inner wall of the protection opening.

Preferably, the inner wall of the fixed sleeve is fixedly connected with an installation sleeve, the inner wall of the installation sleeve is provided with a first thread groove, and the inner wall of the first thread groove is trapezoidal.

Preferably, the inner wall of the first thread groove is in threaded connection with a tightening column, the tightening machine comprises a servo motor, and an output shaft of the servo motor is fixedly connected with a rotating shaft through a coupler.

Preferably, the one end surface of screwing up the post is connected with the one end fixed surface of pivot, the one end external surface fixed connection of pivot has the adapter sleeve, the helicla flute has been seted up to the inner wall of adapter sleeve, the surface of screwing up the post upper end and the inner wall threaded connection of helicla flute, the spacing groove has been seted up to the inner wall of installation cover.

Preferably, the inner wall of the limiting groove is movably inserted with a fixed workpiece, the fixed workpiece comprises a nut and a bolt, and the thread on the surface of the bolt is a triangular thread.

Preferably, the upper surface of the nut is provided with a second thread groove, and the outer surface of the lower end of the tightening column is in threaded connection with the inner wall of the second thread groove.

The utility model discloses the beneficial effect who reaches is:

1. the inner wall of the fixing sleeve is fixedly connected with the mounting sleeve, the inner wall of the mounting sleeve is provided with a first thread groove, and the inner wall of the first thread groove is in a trapezoidal shape, so that the effects of tightening and releasing the workpiece are achieved by utilizing the characteristics that a tightening column is large in transmission torque, poor in self-locking capability, strong in self-locking capability of a triangular thread of a bolt and small in transmission torque, and the problem that the tightening force cannot be accurately controlled to cause too small pressing force is solved, and the bolt can be loosened due to vibration or cyclic load. The pressing force is too large, which easily causes the fracture and deformation of the connecting components.

2. This device is screwed up to stud screw thread work piece sets up the one end fixed surface who screws up the post and is connected with the one end fixed surface of pivot, the one end external surface fixed connection of pivot has the adapter sleeve, the helicla flute has been seted up to the inner wall of adapter sleeve, the surface of screwing up the post upper end and the inner wall threaded connection of helicla flute, the spacing groove has been seted up to the inner wall of installation cover, it is rotatory to have reached to drive the adapter sleeve through the pivot, and then drive the effect of screwing up the post rotation downwards, thereby the problem of the unable drive column motion of screwing up.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a front view of a second mounting plate structure of the present invention;

fig. 3 is a side view of the structure of the fixing ring of the present invention;

fig. 4 is a sectional view of the structure of the mounting sleeve of the present invention.

As shown in the figure: 1. a first mounting plate; 2. a tightening machine; 3. a first support column; 4. a second mounting plate; 5. a second support column; 6. a top plate; 7. a fixing ring; 8. fixing a sleeve; 9. protecting the mouth; 10. installing a sleeve; 11. a first thread groove; 12. screwing the column; 13. a rotating shaft; 14. connecting sleeves; 15. a helical groove; 16. a limiting groove; 17. a nut; 18. a bolt; 19. a second thread groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-4, a stud threaded workpiece tightening device, as shown in fig. 1-4, comprises a first mounting plate 1, a tightening machine 2 is fixedly mounted on the upper surface of the first mounting plate 1 through a bolt 18, a first support column 3 is fixedly connected to the upper surface of the first mounting plate 1, a second mounting plate 4 is fixedly connected to the top of the first support column 3, a second support column 5 is fixedly connected to the upper surface of the second mounting plate 4, a top plate 6 is fixedly connected to the upper surface of the second support column 5, and a fixing ring 7 is fixedly connected to the lower surface of the first mounting plate 1;

as shown in fig. 1-4, the lower surface of the fixing ring 7 is provided with a tightening portion, the tightening portion includes a fixing sleeve 8, the upper surface of the second mounting plate 4 is provided with a protection port 9, the tightening machine 2 is located on the inner wall of the protection port 9, the inner wall of the fixing sleeve 8 is fixedly connected with a mounting sleeve 10, the inner wall of the mounting sleeve 10 is provided with a first thread groove 11, the inner wall of the first thread groove 11 is in a trapezoidal shape, the inner wall of the first thread groove 11 is in threaded connection with a tightening column 12, the tightening machine 2 includes a servo motor, the output shaft of the servo motor is fixedly connected with a rotating shaft 13 through a coupler, one end surface of the tightening column 12 is fixedly connected with one end surface of the rotating shaft 13, the outer surface of one end of the rotating shaft 13 is fixedly connected with a connecting sleeve 14, the inner wall of the connecting sleeve 14 is provided with a spiral groove 15, the outer surface of the;

as shown in fig. 1-4, a fixed workpiece is movably inserted into the inner wall of the limiting groove 16, the fixed workpiece includes a nut 17 and a bolt 18, the thread on the surface of the bolt 18 is a triangular thread, the upper surface of the nut 17 is provided with a second thread groove 19, the outer surface of the lower end of the tightening column 12 is in threaded connection with the inner wall of the second thread groove 19, and the effects of tightening and releasing the workpiece are achieved by utilizing the characteristics of large transmission torque and poor self-locking capability of the tightening column 12, strong self-locking capability of the triangular thread on the surface of the bolt 18 and small transmission torque, so that the problem that the tightening force cannot be accurately controlled to cause too small pressing force is solved, and the bolt 8 can be loosened due to vibration or cyclic load. The pressing force is too large, the connecting components are easy to break and deform, the effect that the connecting sleeve 14 is driven to rotate through the rotating shaft 13 and then the tightening column 12 is driven to rotate downwards is achieved, and therefore the problem that the rotating shaft 13 cannot drive the tightening column 12 to move is solved.

The working principle is as follows: when the screwing machine is used, a fixed workpiece needing to be screwed is sleeved on the inner wall of the limiting groove 16, an operator controls a servo motor inside the screwing machine 2 to be electrified through a switch of the screwing machine 2 to work, the connecting sleeve 14 is driven to rotate, the screwing column 12 is further driven to rotate, the screwing column 12 is driven to rotate downwards, and then the screwing column is in threaded connection with the inner wall of the second thread groove 19 of the nut 17, and further the fixed workpiece is screwed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A stud screw threaded workpiece tightening device comprises a first mounting plate (1), and is characterized in that: the upper surface of first mounting panel (1) passes through bolt (18) fixed mounting and has tightening machine (2), the last fixed surface of first mounting panel (1) is connected with first support column (3), the top fixedly connected with second mounting panel (4) of first support column (3), the last fixed surface of second mounting panel (4) is connected with second support column (5), the last fixed surface of second support column (5) is connected with roof (6), the solid fixed ring of lower fixed surface of first mounting panel (1) is connected with (7), the lower surface of solid fixed ring (7) is provided with screws up the part, it includes fixed cover (8) to screw up the part.

2. A stud bolt threaded workpiece tightening device according to claim 1, characterised in that: the upper surface of second mounting panel (4) has seted up protection mouth (9), screw up machine (2) and be located the inner wall of protection mouth (9).

3. A stud bolt threaded workpiece tightening device according to claim 1, characterised in that: the inner wall fixedly connected with of fixed cover (8) installation cover (10), first thread groove (11) have been seted up to the inner wall of installation cover (10), the inner wall of first thread groove (11) is the trapezoidal form.

4. A stud bolt threaded workpiece tightening device according to claim 3, characterised in that: the inner wall threaded connection of first thread groove (11) has screws up post (12), screw up machine (2) including servo motor, servo motor's output shaft passes through shaft coupling fixedly connected with pivot (13).

5. A stud bolt threaded workpiece tightening device according to claim 4, characterised in that: screw up the one end fixed surface of post (12) and the one end fixed surface of pivot (13) and be connected, the one end external surface fixed connection of pivot (13) has adapter sleeve (14), helicla flute (15) have been seted up to the inner wall of adapter sleeve (14), screw up the surface of post (12) upper end and the inner wall threaded connection of helicla flute (15), spacing groove (16) have been seted up to the inner wall of installation cover (10).

6. A stud bolt threaded workpiece tightening device according to claim 5, characterised in that: the inner wall of the limiting groove (16) is movably inserted with a fixed workpiece, the fixed workpiece comprises a nut (17) and a bolt (18), and the thread on the surface of the bolt (18) is a triangular thread.

7. A stud bolt threaded workpiece tightening device according to claim 6, characterised in that: and a second thread groove (19) is formed in the upper surface of the nut (17), and the outer surface of the lower end of the tightening column (12) is in threaded connection with the inner wall of the second thread groove (19).