CN221210587U

CN221210587U - Bolt tightening tool

Info

Publication number: CN221210587U
Application number: CN202323262455.4U
Authority: CN
Inventors: 郑杨
Original assignee: Chongqing Benfei Industrial Technology Service Co ltd
Current assignee: Chongqing Benfei Industrial Technology Service Co ltd
Priority date: 2023-12-01
Filing date: 2023-12-01
Publication date: 2024-06-25
Anticipated expiration: 2033-12-01

Abstract

The utility model provides a bolt tightening tool, which can automatically tighten bolts on auto parts, and comprises: a rotary driving mechanism, a tightening mechanism and a suspension mechanism; the rotary driving mechanism comprises an electric tool, a control switch, a positioning plate and a rotary driver, wherein the control switch is arranged on an electric tool shell, the bottom of the electric tool shell is connected with the upper surface of the positioning plate, and the rotary driver is arranged below the positioning plate; the tightening mechanism comprises a fixed platform and a movable frame, wherein one side of the fixed platform is provided with a fixed plate, a sliding rail is arranged below the fixed platform, the upper part of the fixed plate is connected with one side of the positioning plate, the movable frame is provided with a sliding seat, the sliding seat can be slidably arranged on the sliding rail, the sliding rail supports the sliding seat, and the bottom of the movable frame is provided with a nut positioner for a nut to extend in; the suspension mechanism includes: the hoisting device comprises a cross rod and a plurality of hoisting rings, wherein the hoisting rings are sleeved outside the cross rod and connected to a pulling rope of a winch.

Description

Bolt tightening tool

Technical Field

The utility model relates to a bolt installation technology, in particular to a bolt tightening tool.

Background

Along with the increasing of the living standard of people, the market demand on automobiles is larger and larger, the demand on automobile manufacturing is higher and higher, the automobile body structure, the automobile workpiece and parts are required to be assembled in the production process of the automobile, the bolt tightening is an important assembly link in the automobile production, and in the prior art, the workpiece is connected and fixed by using the bolt tightening device.

The bolt tightening device generally includes: the workpiece fixing frame is used for fixing a workpiece, the workpiece needs to penetrate through the screw rod, one end of the screw rod is connected with the nut in a threaded mode, the nut and the nut are matched to clamp the workpiece, and the nut and the screw rod are matched to form the bolt.

The operation steps of the bolt tightening device are as follows: firstly, manually penetrating a screw rod through a workpiece; secondly, manually aligning the nut with the screw; thirdly, a worker tightens the nut on the bolt by using a wrench. There are the following disadvantages: 1) A great deal of manpower and time are consumed, the workpiece installation standard is difficult to reach, and potential safety hazards are brought to the running of the automobile; 2) Corresponding bigger automobile workpieces, nuts and screws with bigger sizes are needed to be used, and the positions of the automobile workpieces on a production line are limited, so that the heavy nuts and bolts are needed to be manually pulled up to realize the tightening work, and the manual tightening of the bolts is caused to reduce the automobile assembly efficiency.

Disclosure of utility model

The utility model provides a bolt tightening tool, which solves the problem that in the prior art, workers need to manually tighten large-size bolts to cause low automobile assembly efficiency.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a bolt tightening tool which is characterized by comprising the following components: a rotary driving mechanism, a tightening mechanism and a suspension mechanism;

Preferably, the rotary driving mechanism includes: the electric tool is used for driving the rotary driver to rotate, and one end of the rotary driver is used for extending in the large end of the screw rod;

Preferably, the tightening mechanism comprises: the fixed platform is provided with a transverse platform, one side of the transverse platform is provided with a fixed plate, the other side of the transverse platform is provided with a convex block, a sliding rail is arranged below the transverse platform, one end of the sliding rail is overlapped with one end of the transverse platform, the other end of the sliding rail is connected with the fixed plate, and the upper part of the fixed plate is connected with one side of the positioning plate; the movable mechanism is provided with a movable frame, a sliding seat is arranged on the movable frame, the sliding seat can be slidably arranged on a sliding rail, the sliding rail supports the sliding seat, the bottom of the movable frame is provided with a nut positioner, and the nut positioner is used for a nut to extend in;

Preferably, the suspension mechanism includes: the lifting rings are arranged in a plurality, one end of the lifting rings penetrate through the movable frame to be connected with the protruding blocks, the other end of the lifting rings are connected with the fixing plates, the lifting rings are sleeved outside the lifting rings and connected to the pulling ropes of the windlass, and the windlass is arranged on the indoor top surface of the factory building.

Preferably, one end of the nut positioner is hinged with the bottom of the movable frame, the other end of the nut positioner is sunken to form a first positioning hole, and the shape of the first positioning hole is consistent with that of the nut.

Preferably, the rotary driver includes: the rotary sleeve is fixed with the electric tool shell, a rotary sleeve shaft is arranged in the rotary sleeve, one end of the rotary sleeve shaft is hinged with the rotary sleeve and is connected with the output end of the electric tool, the other end of the rotary sleeve shaft is sunken to form a second positioning hole, and the second positioning hole is consistent with the nut in shape.

Preferably, the cross rod is parallel to the guide direction of the slide rail, the movable frame is used for the cross rod to pass through, and the top of the movable frame is provided with a handle.

Preferably, the cross bar is sleeved with two limiting columns, and the hanging ring is positioned between the two limiting columns.

Compared with the prior art, the utility model has the following beneficial effects: 1) The tool is provided with the rotary driving mechanism, and the rotary sleeve of the rotary driving mechanism can be provided with nuts with various specifications, so that the tool has better practicability, can rotate the bolts and fix the workpieces at the same time, and greatly improves the bolt tightening efficiency; 2) The movable frame is provided with a handle, the movable frame can move on the fixed platform, a nut positioner on the movable frame fixes the nut, and the nut is twisted into the bolt to be fixed by matching with the rotary driving mechanism to rotate the bolt; 3) The suspension mechanism can move the tool to a position where workpiece machining is needed, and has the effect of supporting the workpiece and the whole tool, because the tool is heavy, the tool is only needed to be positioned by hand after being suspended, and the force of the tool is not needed to be supported, so that common workers can operate during tightening, the tightening work is simpler and more convenient, and a lot of manpower and time are saved.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

Fig. 1 is a schematic diagram of a bolt tightening tool.

Fig. 2 is a schematic diagram of a bolt tightening tool.

Reference numerals: the electric tool comprises a rotary driving mechanism 1, an electric tool 11, a control switch 12, a positioning plate 13, a rotary driver 14, a rotary sleeve 141, a second positioning hole 142, a tightening mechanism 2, a fixed platform 21, a transverse platform 211, a bump 212, a fixed plate 213, a movable mechanism 22, a sliding seat 221, a movable frame 222, a sliding rail 223, a handle 224, a nut positioner 225, a first positioning hole 226, a suspension mechanism 3, a cross bar 31, a suspension ring 32 and a limiting column 33.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model more clear and easy to understand, the present utility model is further described below with reference to the accompanying drawings and the detailed description:

The utility model provides a bolt tightening tool, which comprises: a rotary driving mechanism 1, a tightening mechanism 2 and a suspension mechanism 3;

A rotary drive mechanism 1 comprising: the electric tool 11, control switch 12, locating plate 13 and rotary actuator 14, control switch 12 installs on electric tool 11 (for the structure of motor gear etc. constitution, realizes the rotary drive to rotary actuator 14) shell, and locating plate 13 upper surface is connected to electric tool 11 shell bottom, and locating plate 13 below is equipped with rotary actuator 14, and rotary actuator 14 is connected to electric tool 11's output, and electric tool 11 is used for driving rotary actuator 14 rotation, and rotary actuator 14 one end supplies the screw rod big end to stretch into. The rotary driver 14 is adapted to nuts of various specifications, and is capable of rotating bolts of various types.

A tightening mechanism 2 comprising: the fixed platform 21 and the movable mechanism 22, the fixed platform 21 is provided with a transverse platform 211, one side of the transverse platform 211 is provided with a fixed plate 213, the other side of the transverse platform 211 is provided with a bump 212, a sliding rail 223 is arranged below the transverse platform 211, one end of the sliding rail 223 coincides with one end of the transverse platform 211, the other end of the sliding rail 223 is connected with the fixed plate 213, and the upper part of the fixed plate 213 is connected with one side of the positioning plate 13; the movable mechanism 22 is provided with a movable frame 222, a sliding seat 221 is arranged on the movable frame 222, the sliding seat 221 can be slidably arranged on a sliding rail 223, the sliding rail 223 supports the sliding seat 221, the bottom of the movable frame 222 is provided with a nut positioner 225, and the nut positioner 225 is used for a nut to extend in; the tightening mechanism 2 can position the workpiece, in particular: firstly, a screw rod passes through a workpiece which is already positioned; then, the suspension mechanism 3 is lowered, and the tightening mechanism 2 is suspended beside the workpiece; then, manually moving the tool, and sleeving the rotary driver 14 outside the large end of the screw; then, the nut is manually placed in the nut retainer 225, and the nut retainer 225 supports the nut; then, the movable frame 222 is manually moved, so that the movable frame 222 drives the nut in the nut positioner 225 to move towards the screw rod, and the nut is close to the screw rod; finally, the movable frame 222 is manually kept in a state of being close to the screw, the electric tool 11 works to drive the large end of the screw in the rotary driver 14 to rotate, and after the screw rotates, the screw is manually pushed into the nut, so that the nut and the screw are screwed tightly, and the nut cannot rotate relative to the nut positioner 225.

A suspension mechanism 3, comprising: the cross rod 31 and rings 32, rings 32 are a plurality of, and cross rod 31 one end passes movable frame 222 and connects lug 212, and fixed plate 213 is connected to the horizontal end other end, rings 32 cover are established outside cross rod 31, and rings 32 are connected to the pulling rope of hoist engine, and the hoist engine is installed on the indoor top surface of factory building. The suspension mechanism 3 can suspend the bolt tightening tool and move the bolt tightening tool to the workpiece position for tightening operation.

One end of the nut positioner 225 is hinged with the bottom of the movable frame 222, and the other end of the nut positioner 225 is recessed to form a first positioning hole 226, and the shape of the first positioning hole 226 is consistent with that of the nut. The nut positioner 225 can position the nut, acting as a manual nut. The first positioning hole 226 has a generally hexagonal structure, so as to drive the nut to rotate.

The rotary driver 14 includes: the rotary sleeve 141, the rotary sleeve 141 is fixed with the shell of the electric tool 11, a rotary sleeve shaft is arranged in the rotary sleeve 141, one end of the rotary sleeve shaft is hinged with the rotary sleeve 141 and is connected with the output end of the electric tool 11, the other end of the rotary sleeve shaft is sunken to form a second positioning hole 142, and the second positioning hole 142 is consistent with the shape of a screw cap. The screw cap can be fixed by rotating the sleeve 141, and the screw is driven to rotate. The swivel sleeve 141 provides a mounting base for a swivel sleeve shaft, which is rotatable.

The cross bar 31 and the slide rail 223 are parallel in the guiding direction, the movable frame 222 is used for the cross bar 31 to pass through, and the handle 224 is arranged at the top of the movable frame 222. An operator can grasp handle 224 to push movable frame 222 and twist the nut into the screw.

The cross bar 31 is sleeved with two limiting columns 33, the number of the limiting columns 33 is two, the lifting ring 32 is located between the two limiting columns 33, the limiting columns 33 limit the lifting ring 32, and the lifting ring 32 is utilized to lift the tool to move the tool to the workpiece position.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. Bolt tightening frock, its characterized in that includes: a rotary driving mechanism (1), a tightening mechanism (2) and a suspension mechanism (3);

a rotary drive mechanism (1) comprising: the electric tool comprises an electric tool (11), a control switch (12), a positioning plate (13) and a rotary driver (14), wherein the control switch (12) is arranged on a shell of the electric tool (11), the bottom of the shell of the electric tool (11) is connected with the upper surface of the positioning plate (13), the rotary driver (14) is arranged below the positioning plate (13), the rotary driver (14) is connected to the output end of the electric tool (11), the electric tool (11) is used for driving the rotary driver (14) to rotate, and one end of the rotary driver (14) is provided for the large end of a screw to extend in;

A tightening mechanism (2) comprising: the device comprises a fixed platform (21) and a movable mechanism (22), wherein the fixed platform (21) is provided with a transverse platform (211), one side of the transverse platform (211) is provided with a fixed plate (213), the other side of the transverse platform (211) is provided with a bump (212), a sliding rail (223) is arranged below the transverse platform (211), one end of the sliding rail (223) is overlapped with one end of the transverse platform (211), the other end of the sliding rail (223) is connected with the fixed plate (213), and the upper part of the fixed plate (213) is connected with one side of a positioning plate (13); the movable mechanism (22) is provided with a movable frame (222), a sliding seat (221) is arranged on the movable frame (222), the sliding seat (221) can be slidably arranged on a sliding rail (223), the sliding rail (223) supports the sliding seat (221), the bottom of the movable frame (222) is provided with a nut positioner (225), and the nut positioner (225) is used for a nut to extend in;

Suspension mechanism (3), comprising: the cross rod (31) and rings (32), rings (32) are a plurality of, and movable frame (222) are passed in cross rod (31) one end and are connected lug (212), and fixed plate (213) are connected to the horizontal end other end, and rings (32) cover are established outside cross rod (31), and rings (32) are connected to the pulling rope of hoist engine, and the hoist engine is installed on the indoor top surface of factory building.

2. The bolt tightening tool according to claim 1, wherein one end of the nut positioner (225) is hinged to the bottom of the movable frame (222), the other end of the nut positioner (225) is recessed to form a first positioning hole (226), and the shape of the first positioning hole (226) is consistent with that of the nut.

3. Bolt tightening tool according to claim 1, characterized in that the rotary drive (14) comprises: the rotary sleeve (141), rotary sleeve (141) is fixed with electric tool (11) shell, is equipped with rotatory sleeve axle in rotary sleeve (141), and rotatory sleeve axle one end is articulated and is connected with the output of electric tool (11) with rotary sleeve (141), and rotatory sleeve axle other end is sunken to form second locating hole (142), and second locating hole (142) are unanimous with the nut shape.

4. The bolt tightening tool according to claim 1, wherein the cross rod (31) and the sliding rail (223) are parallel in guiding direction, the movable frame (222) is used for the cross rod (31) to pass through, and the handle (224) is arranged at the top of the movable frame (222).

5. The bolt tightening tool according to claim 1, wherein the cross rod (31) is sleeved with two limiting columns (33), and the hanging ring (32) is located between the two limiting columns (33).