CN213531542U

CN213531542U - Screw nut device

Info

Publication number: CN213531542U
Application number: CN202022122940.1U
Authority: CN
Inventors: 陈派金
Original assignee: Suzhou Xinsuluo Automation Technology Co ltd
Current assignee: Suzhou Xinsuluo Automation Technology Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-06-25
Anticipated expiration: 2030-09-24

Abstract

The utility model provides a screw cap screwing device, including the axle bed, the inside of axle bed rotates and is provided with the central siphon, the one end of central siphon has three fixture blocks around its centre of a circle circumference array, it has the jack catch to slide along the direction perpendicular to the axial of central siphon between the fixture block, the side that deviates from mutually with the axis of central siphon on the jack catch is provided with the guide block, elastic support between guide block and the fixture block, the outside of central siphon is provided with the propelling movement mechanism that promotes the guide block and makes the jack catch move to the axis direction that is close to the central siphon or release the guide block and make it reset under the effect of elastic support; a driving mechanism for driving the shaft tube to rotate is arranged at one end of the shaft tube, which is far away from the clamping block; the utility model discloses in promote the jack catch and cooperate with the fixture block through push mechanism and press from both sides the nut tight fixed, then rotate through actuating mechanism driving shaft pipe and can screw up the nut, can replace the manual work to twist soon the nut, twist soon speed more artifical faster, can show promotion work efficiency.

Description

Screw nut device

Technical Field

The utility model belongs to the technical field of nonstandard automation equipment, concretely relates to twist nut device.

Background

In the industrial process, a process of installing a nut is often encountered.

If in the production assembling process that chinese utility model with application number CN201621025498.8 discloses a solar photovoltaic connector connects, have the process of twisting the installation with the external screw thread of nut (anodal nut) and positive sparse coupler one end soon, adopt artifical manual the twisting at present often, work efficiency is low, and whether the nut can twist to target in place and receive artifical the influence great, if the nut is for twisting firmly, receive vibration, easily drop after the friction in the transportation, influence the normal use of photovoltaic connector.

Therefore, a nut screwing device which replaces manual nut screwing, improves the working efficiency and enables the nut to be firmly installed is needed to be designed to solve the technical problems faced at present.

Disclosure of Invention

Not enough to exist among the prior art, the utility model provides a replace artifical wrong nut of twisting, promote work efficiency, make the firm nut device of twisting of nut installation.

The technical scheme of the utility model is that: the nut screwing device comprises a shaft seat, wherein a shaft tube is rotatably arranged in the shaft seat, three clamping blocks are arrayed at one end of the shaft tube around the circumference of the center of the shaft tube, clamping jaws are arranged between the clamping blocks in a sliding mode in the direction perpendicular to the axial direction of the shaft tube, a guide block is arranged on one side, away from the axis of the shaft tube, of each clamping jaw, the guide blocks and the clamping blocks are elastically supported, and a pushing mechanism for pushing the guide blocks to enable the clamping jaws to move towards the axis direction close to the shaft tube or releasing the guide blocks to enable the guide blocks to reset under the action of elastic support is arranged outside the shaft tube; and a driving mechanism for driving the shaft tube to rotate is arranged at one end of the shaft tube, which is deviated from the clamping block.

The push mechanism is provided with a supporting bearing sleeved outside the shaft tube, a push plate is arranged outside the supporting bearing, two sides of the shaft seat are respectively provided with a push cylinder for driving the push plate to be close to or far away from the shaft seat, a sliding handle is arranged between the two clamping jaws in a sliding mode, the clamping jaws and the guide blocks are respectively arranged at two ends of the sliding handle, a guide inclined plane is arranged at the top of each guide block, and a baffle is arranged at one end, away from the shaft tube, of each clamping block.

The clamping block is of a V-shaped structure, and the opening of the clamping block faces to the axial direction of the shaft tube.

One side of the guide block, which is far away from the guide inclined plane, and the fixture block are elastically supported through a spring.

The baffle is the ring plate body structure, the baffle with fixed connection can be dismantled to the fixture block.

The jack catch is close to evenly be provided with the sand grip on the axis one side of central siphon, the sand grip be with the bar-shaped protruding structure that the axis of central siphon parallels.

The driving mechanism is provided with a driven wheel which is sleeved at the end part of the shaft tube, the driven wheel is connected with a driving wheel through transmission of a transmission belt, and the driving wheel is driven by a driving motor.

The utility model has the advantages that:

(1) the utility model discloses in can press from both sides the nut tight fixed through pushing mechanism promotion jack catch and fixture block cooperation, then can screw up the nut through the rotation of actuating mechanism driving shaft pipe, can replace the manual work to twist the nut soon, twist soon the speed faster than the manual work, can show the promotion work efficiency;

(2) the output torque of the driving mechanism is fixed, and the nut can be firmly installed.

Drawings

Fig. 1 is one of the structural schematic diagrams of the nut screwing device of the present invention.

Fig. 2 is a second schematic structural view of the nut screwing device of the present invention.

Fig. 3 is a schematic view of a partial structure of the nut screwing device of the present invention.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Detailed Description

The following describes the embodiments of the present invention with reference to the drawings and examples.

As shown in fig. 1 to 4, the nut runner includes a shaft seat 1, a shaft tube 4 rotatably provided inside the shaft seat 1, wherein the inside of the shaft seat 1 is fixedly provided with a bearing, the outer ring of the bearing is fixed inside the shaft seat 1, the shaft tube 4 is fixedly assembled in the inner ring of the bearing, the shaft tube 4 can rotate in the shaft seat 1 with single degree of freedom, the shaft tube 4 is supported, three clamping blocks 6 are arrayed at one end of the shaft tube 4 around the circle center of the shaft tube, clamping jaws 7 are arranged between the clamping blocks 6 in a sliding mode in the direction perpendicular to the axial direction of the shaft tube 4, a guide block 8 is arranged on one side, deviating from the axis of the shaft tube 4, of each clamping jaw 7, the guide blocks 8 and the clamping blocks 6 are elastically supported, and a pushing mechanism which pushes the guide blocks 8 to enable the guide blocks 8 to drive the clamping jaws 7 to move towards the axis direction close to the shaft tube 4 or releases the guide blocks 8 to enable the guide blocks 8 to reset under the action of elastic support is arranged outside the shaft tube 4; a driving mechanism for driving the shaft tube 4 to rotate is arranged at one end of the shaft tube 4, which is far away from the fixture block 6; in the embodiment, a workpiece for installing the nut, such as a photovoltaic connector head, is held by hand, the nut and the photovoltaic connector head are connected by about three wires, the nut is prevented from falling off, then the nut is placed between the clamping jaw 7 and the clamping block 6 corresponding to the clamping jaw 7, the pushing mechanism is started, the clamping jaw 7 is driven to be matched with the clamping block 6 to clamp and fix the nut, then the driving mechanism drives the shaft tube 4 to rotate, and the nut is assembled to the photovoltaic connector head; the pushing mechanism pushes the clamping jaws 7 to be matched with the clamping blocks 6 to clamp and fix the nut, and then the driving mechanism drives the shaft tube to rotate to tighten the nut, so that the nut can be screwed up by replacing manual screwing, the screwing speed is higher than that of manual screwing, and the working efficiency can be obviously improved; the output torque of the driving mechanism is fixed, and the nut can be firmly installed.

As a specific implementation mode of the pushing mechanism, the pushing mechanism is provided with a supporting bearing 3 sleeved outside an axle tube 4, a push plate 2 is arranged outside the supporting bearing 3, a through hole matched with the supporting bearing 3 is formed in the middle of the push plate 2, the outside of the supporting bearing 3 is fixedly connected with the push plate 2, an inner ring of the supporting bearing 3 is in contact connection with the axle tube 4, two sides of the axle seat 1 are respectively provided with a pushing cylinder 10 for driving the push plate to be close to or far away from the axle seat, a sliding handle 8 is arranged between the two jaws in a sliding manner, the sliding handle 8 is matched with a gap between the two jaws 7, the sliding handle 8 can slide between the jaws 7, the jaws 7 and a guide block 9 are respectively arranged at two ends of the sliding handle 8, the top of the guide block 9 is provided with a guide inclined plane 901, one side of the guide inclined plane 901, which is connected with the axle tube 4, is flush with the surface, one end that deviates from mutually with the central siphon on the fixture block is provided with baffle 5, block spacingly through baffle 5 to slip handle 8, make it only to slide between two fixture blocks 6, when the piston rod of propelling movement cylinder 10 stretches out, push pedal 2 and support bearing 3 move to the direction that is close to fixture block 6, through the effect of direction inclined plane 901, push guide 9 to the direction that is close to the 4 axes of central siphon, guide 9 drives jack catch 7 through slip handle 8 and removes, jack catch 7 cooperatees with fixture block 6 and presss from both sides the nut tight fixedly.

Further, as a specific embodiment of the latch 6, as shown in fig. 4, the latch has a "V" shape, an opening of the latch 6 faces the axial direction of the shaft tube, and the latch 6 and the end of the shaft tube 4 are integrated.

Further, as an implementation mode of elastic support between the guide block 9 and the fixture block 6, the side of the guide block 9 away from the guide inclined plane 901 and the fixture block 6 are elastically supported by a spring 15, a circumferential groove for mounting the spring 15 is formed in the fixture block 6, the spring 15 is arranged in the groove, and one end of the spring 15 abuts against the guide block 9.

Further, as an embodiment of the baffle 5, as shown in fig. 1, the baffle 5 is a circular plate structure, a circular hole in the middle of the baffle 5 can be used for a workpiece to enter, the baffle 5 and the fixture block 6 can be detachably and fixedly connected, specifically, an internal threaded hole is formed in the fixture block 6, and the baffle 5 is connected with the internal threaded hole through a bolt to fix the baffle 5 on the fixture block 6.

In order to improve the friction force between the claw 7 and the nut, a convex strip 701 is uniformly arranged on one side of the claw 7 close to the axis of the shaft tube 4, and the convex strip 701 is a strip-shaped convex structure parallel to the axis of the shaft tube 4.

As a specific embodiment of the driving mechanism, as shown in fig. 2, the driving mechanism has a driven wheel 13 sleeved on an end portion of the shaft tube 4, the driven wheel 13 is connected to a driving wheel 12 through a transmission belt 16, the driving wheel 12 is driven by a driving motor 11, the driving motor 11 and the shaft seat 1 are both fixed on a top portion of the bottom plate 14, the driving wheel 12 is driven to rotate by the driving motor 11 when the driving motor 11 is powered on, the driving wheel 12 is driven to rotate with the driven wheel 13 through the transmission belt 16 to drive the driven wheel 13 to rotate, the driven wheel 13 is fixedly sleeved outside the shaft tube 4, the driven wheel 13 rotates to drive the shaft tube 4 to rotate, and the nut is screwed in place to stabilize an output torque of the.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A nut screwing device is characterized by comprising a shaft seat, wherein a shaft tube is rotatably arranged in the shaft seat, one end of the shaft tube is circumferentially arrayed around the circle center of the shaft tube with three clamping blocks, clamping jaws are slidably arranged between the clamping blocks along the direction vertical to the axial direction of the shaft tube, a guide block is arranged on one side of each clamping jaw, which is far away from the axis of the shaft tube, the guide block and the clamping blocks are elastically supported, and a pushing mechanism for pushing the guide block to enable the clamping jaws to move towards the axis direction close to the shaft tube or release the guide block to enable the guide block to reset under the action of the elastic support is arranged outside the shaft tube; and a driving mechanism for driving the shaft tube to rotate is arranged at one end of the shaft tube, which is deviated from the clamping block.

2. The nut threading device of claim 1, wherein: the push mechanism is provided with a supporting bearing sleeved outside the shaft tube, a push plate is arranged outside the supporting bearing, two sides of the shaft seat are respectively provided with a push cylinder for driving the push plate to be close to or far away from the shaft seat, a sliding handle is arranged between the two clamping jaws in a sliding mode, the clamping jaws and the guide blocks are respectively arranged at two ends of the sliding handle, a guide inclined plane is arranged at the top of each guide block, and a baffle is arranged at one end, away from the shaft tube, of each clamping block.

3. The nut threading device of claim 2, wherein: the clamping block is of a V-shaped structure, and the opening of the clamping block faces to the axial direction of the shaft tube.

4. The nut threading device of claim 2, wherein: one side of the guide block, which is far away from the guide inclined plane, and the fixture block are elastically supported through a spring.

5. The nut threading device of claim 2, wherein: the baffle is the ring plate body structure, the baffle with fixed connection can be dismantled to the fixture block.

6. The nut threading device according to any one of claims 1 to 5, characterized in that: the jack catch is close to evenly be provided with the sand grip on the axis one side of central siphon, the sand grip be with the bar-shaped protruding structure that the axis of central siphon parallels.

7. The nut threading device according to any one of claims 1 to 5, characterized in that: the driving mechanism is provided with a driven wheel which is sleeved at the end part of the shaft tube, the driven wheel is connected with a driving wheel through transmission of a transmission belt, and the driving wheel is driven by a driving motor.