CN220901495U

CN220901495U - Lead screw straightening device

Info

Publication number: CN220901495U
Application number: CN202322548291.5U
Authority: CN
Inventors: 周宪; 魏葳; 闫敏; 祝雯雯; 刘�东
Original assignee: Xian Technological University
Current assignee: Xian Technological University
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-05-07
Anticipated expiration: 2033-09-19

Abstract

The utility model relates to the technical field of screw rod processing, in particular to a screw rod straightening device, which comprises a workbench, wherein the bottom of the workbench is fixedly connected with a supporting column, a manual press is arranged on an L-shaped support, a rotating handle for driving a press head to move is arranged at the side surface of the L-shaped support corresponding to the manual press, a detection dial gauge is arranged at one side of the workbench, a rack is slidably connected in a movable cavity, one end of a movable shaft is rotatably connected at the movable cavity, a gear is fixedly connected on the movable shaft, at least two sliding blocks are fixedly connected on the rack, the top of each sliding block extends to the upper part of a sliding groove and is fixedly connected with a supporting plate with one arc-shaped side, and a clamping assembly for clamping screws of different specifications is arranged on any supporting plate.

Description

Lead screw straightening device

Technical Field

The utility model relates to the technical field of screw machining, in particular to a screw straightening device.

Background

The screw is a transmission element most commonly used on tool machinery and precision machinery, and has the main functions of converting rotary motion into linear motion or converting torque into axial repeated acting force, and meanwhile, the screw has the characteristics of high precision, reversibility and high efficiency, and the screw after processing or use is easy to have defects such as bending, so that after the screw is processed, the bent screw needs to be straightened.

Patent document CN217798192U discloses a manual straightening device of lead screw, "including the workstation, the below of workstation is provided with the supporting leg, and the top of workstation is provided with the fixed bolster by the right side, and the front end of fixed bolster is provided with manual press, and the side of manual press is provided with the crank that drives the press head motion, one side of fixed bolster is provided with detects the percentage table, correspond on the workstation be provided with the spout under the manual press center pin, slidable setting is provided with 2 at least support frames in the spout, and the lower extreme of support frame is provided with the guide block, and the guide block passes the spout extends to the workstation below and is connected with actuating mechanism. The utility model has reasonable structural design, is very convenient for the movement of the screw rod, greatly reduces the labor intensity of staff and well meets the use requirement. Compared with the utility model, the driving mechanism in the device is arranged below the workbench, when the supporting frame is moved, a worker is required to bend down or squat down to rotate the handle, the repeated operation can cause pain on the waist of the worker, muscle strain can be caused, in addition, the device can not clamp and fix the lead screws with different specifications and types, the lead screws can be rotated in the lead screw straightening process, and the lead screw straightening effect is influenced.

Disclosure of utility model

The utility model aims to provide a screw straightening device which is used for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lead screw coalignment, includes the workstation, workstation bottom fixedly connected with support column, be provided with L shape support on the workstation, be provided with manual press on the L shape support, L shape support side corresponds manual press's position department and is provided with the commentaries on classics handle that is used for driving the press head motion, one side that the workstation is located L shape support is provided with the detection percentage table, the spout has been seted up to the position department that corresponds manual press center pin on the workstation, the movable chamber has been seted up to the spout below in the workstation, sliding connection has the rack in the movable chamber, movable chamber department rotates the one end that is connected with the loose axle, the other end of loose axle runs through to the workstation top, fixedly connected with gear on the loose axle, rack and gear mesh mutually, two at least sliders of fixedly connected with on the rack, the slider top extends to spout top and fixedly connected with one side is curved backup pad, arbitrary one be provided with in the backup pad and be used for the centre gripping module of the different specification lead screws of centre gripping.

Preferably, one end of the movable shaft far away from the gear is fixedly connected with a rotating block.

Preferably, the width of the rack is larger than the width of the opening of the chute.

Preferably, the clamping assembly comprises a first connecting block, a second connecting block, a threaded rod, a clamping plate and a locking block, wherein the first connecting block is fixedly connected to one side of the supporting plate, the threaded rod is fixedly connected to the top of the first connecting block, the second connecting block is connected to the threaded rod in a sliding mode, the clamping plate is fixedly connected to the second connecting block, the clamping plate is vertically located above the supporting plate, and the locking block is connected to the threaded rod in a threaded mode.

Preferably, a spring is sleeved on the threaded rod at a position between the first connecting block and the second connecting block.

Preferably, the shape and the size of the clamping plate are consistent with those of the supporting plate, and the clamping plate and the supporting plate are placed in a mirror image mode.

Preferably, the clamping plate and the supporting plate are fixedly connected with a protection pad at one side presenting an arc shape.

Compared with the prior art, the utility model has the beneficial effects that: the gear and the rack are arranged in the workbench, the movable shaft penetrates through the workbench, a series of moving and straightening operations on the screw rod can be completed on the workbench, the workbench is simple and rapid, workers do not need to bend down or squat down, the design is reasonable, the use is convenient, the waist pain of the workers is reduced, and muscle strain is avoided; the clamping assembly is arranged to clamp and fix the lead screws with different specifications and types, so that the applicability is high, the lead screws are prevented from shaking in the straightening process, and the straightening effect of the lead screws is improved; the arrangement of the protection pad prevents the screw rod from repeatedly contacting the clamping plate and the supporting plate in the straightening process to generate abrasion.

Drawings

FIG. 1 is a schematic view of the main structure of the device of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic diagram of a test dial indicator and manual press setup;

fig. 4 is a schematic view of the internal structure of the workbench.

In the figure: 1. a work table; 2. a support column; 3. an L-shaped bracket; 4. a manual press; 5. a rotating handle; 6. detecting a dial indicator; 7. a chute; 8. a movable cavity; 9. a rack; 10. a movable shaft; 11. a gear; 12. a slide block; 13. a support plate; 14. a rotating block; 15. a first connecting block; 16. a second connecting block; 17. a threaded rod; 18. a clamping plate; 19. a locking block; 20. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the screw straightening device comprises a workbench 1, wherein the bottom of the workbench 1 is fixedly connected with a support column 2, an L-shaped support 3 is arranged on the workbench 1, a manual press 4 is arranged on the L-shaped support 3, a rotating handle 5 for driving a press head to move is arranged at the position, corresponding to the manual press 4, of the side surface of the L-shaped support 3, a detection dial indicator 6 is arranged on one side, corresponding to the central shaft of the manual press 4, of the workbench 1, a sliding groove 7 is formed in the position, corresponding to the central shaft of the manual press 4, of the workbench 1, a movable cavity 8 is formed in the workbench 1, a rack 9 is slidably connected in the movable cavity 8, one end of a movable shaft 10 is rotatably connected at the movable cavity 8, the other end of the movable shaft 10 penetrates to the upper part of the workbench 1, a gear 11 is fixedly connected on the movable shaft 10, the rack 9 is meshed with the gear 11, at least two sliding blocks 12 are fixedly connected on the rack 9, the top of the sliding block 12 extends to the upper part of the sliding groove 7 and is fixedly connected with a supporting plate 13 with one arc-shaped side, a clamping component for clamping screws with different specifications is arranged on any one supporting plate 13, the clamping component is arranged on the first supporting plate 13 opposite to the moving direction of the screws, the screws to be straightened are placed on the supporting plate 13, the bent parts of the screws are in an upward arched state by rotating the screws, the screws are fixed through the clamping component, the straightening effect is prevented from being influenced by shaking of the screws in the straightening process, the machine head of the manual press 4 moves up and down by rotating the rotating handle 5, the machine head of the manual press 4 is pressed down to the surface of the screws, the bending degree of the screws can be straightened, the movable shaft 10 is rotated above the workbench 1 to drive the gears 11 to rotate, the gears 11 are rotated to drive the racks 9 to move in the movable cavity 8, the rack 9 moves and drives the backup pad 13 on the slider 12 to move, and then drives the lead screw on the backup pad 13 to remove, so that manual press 4 detects the alignment to the different positions of whole lead screw, just can accomplish a series of removal and alignment operation to the lead screw on workstation 1, simple swift need not the staff and bow or squat down, reasonable in design, convenient to use reduces staff's waist soreness and pain sense, avoids the muscle strain.

Further, one end of the movable shaft 10 far away from the gear 11 is fixedly connected with a rotating block 14, and the rotating block 14 is arranged to facilitate the rotation operation of the movable shaft 10.

Further, the width of the rack 9 is larger than the width of the opening of the chute 7, so that the rack 9 is prevented from sliding out of the chute 7 or moving up and down at the chute 7 in the moving process, and the straightening effect on the screw rod is poor.

Further, the clamping assembly comprises a first connecting block 15, a second connecting block 16, a threaded rod 17, a clamping plate 18 and a locking block 19, one side of the supporting plate 13 is fixedly connected with the first connecting block 15, the top of the first connecting block 15 is fixedly connected with the threaded rod 17, the second connecting block 16 is connected to the threaded rod 17 in a sliding mode, the clamping plate 18 is fixedly connected to the second connecting block 16, the clamping plate 18 is vertically located above the supporting plate 13, the locking block 19 is connected to the threaded rod 17 in a threaded mode, one end of a screw rod is placed on the supporting plate 13, the second connecting block 16 is slid downwards on the threaded rod 17 to drive the clamping plate 18 to be attached to the surface of the screw rod, then the locking block 19 is rotated to enable the second connecting block 16 to be stably attached to the surface of the screw rod, the positions of the second connecting block 16 are fixed, screws of different specifications can be clamped and fixed, the applicability is high, the screw rod is prevented from shaking in the alignment process, and the effect of the screw rod is improved.

Further, a spring 20 is sleeved at the position, between the first connecting block 15 and the second connecting block 16, on the threaded rod 17, the locking block 19 is used for fixing the pressing-down position of the second connecting block 16, the spring 20 is contracted, when screws of different specifications are required to be replaced for clamping and fixing, the locking block 19 is rotated reversely, the spring 20 stretches to drive the second connecting block 16 and the clamping plate 18 to move upwards, a worker does not need to hold the second connecting block 16 upwards for one time according to the size of the screws, operation steps are reduced, and the straightening speed of the screws is improved.

Further, the shape and the size of the clamping plate 18 are consistent with those of the supporting plate 13, and the clamping plate 18 and the supporting plate 13 are placed in a mirror image mode, so that clamping and fixing of lead screws of different specifications and models are facilitated.

Further, the clamping plate 18 and the supporting plate 13 are fixedly connected with protection pads on one side of the arc, and the protection pads prevent the screw rod from repeatedly contacting the clamping plate 18 and the supporting plate 13 to generate abrasion in the straightening process.

Working principle: during the use, place the lead screw that needs the alignment on backup pad 13, rotate the lead screw and present the state of upwards arching with the lead screw bend, the rotatory loose axle 10 of lower slip connecting block drives grip block 18 laminating on threaded rod 17 on the lead screw surface, then rotate locking piece 19 and make connecting block two 16 laminate on the lead screw surface steadily, the position of fixed connecting block two 16, can carry out the centre gripping to the lead screw of different specification models and fix, the suitability is high, prevent that the lead screw from taking place to rock in the alignment process, improve the alignment effect of lead screw, make the aircraft nose of manual press 4 reciprocate through rotating handle 5, the aircraft nose of manual press 4 pushes down to the lead screw surface, can straighten the crooked degree of lead screw, it rotates the loose axle 10 and drives gear 11 rotation to be equipped with in workstation 1 top, gear 11 rotates and drives rack 9 and remove in the loose cavity 8, rack 9 removes and drives backup pad 13 on slider 12, and then drive lead screw on backup pad 13 removes, so that manual press 4 detects the different positions of whole lead screw, just can accomplish a removal and alignment operation to the lead screw on workstation 1, the operator is swift, the work or the muscle of bending is equitable design is equitable, the user is avoided the muscle to feel that the operator is easy to bend down, the waist is easy to feel.

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

Claims

1. The utility model provides a lead screw coalignment, includes workstation (1), its characterized in that: the utility model discloses a workbench, including work bench (1), support column (2) is fixedly connected with, be provided with L shape support (3) on work bench (1), be provided with manual press (4) on L shape support (3), the position department that L shape support (3) side corresponds manual press (4) is provided with and is used for driving the revolving handle (5) of press head motion, one side that work bench (1) is located L shape support (3) is provided with detects percentage table (6), spout (7) have been seted up to the position department that corresponds manual press (4) center pin on work bench (1), movable cavity (8) have been seted up to be located spout (7) below in work bench (1), sliding connection has rack (9) in movable cavity (8), the one end that is connected with loose axle (10) is rotated in movable cavity (8), the other end of loose axle (10) runs through to work bench (1) top, fixedly connected with gear (11) on loose axle (10), rack (9) and gear (11) are connected with in advance of rack (12) and fixed connection to slider (12) are connected to one side (12) on the fixed top at least, any one of the supporting plates (13) is provided with a clamping assembly for clamping screws of different specifications and types.

2. A lead screw straightening device according to claim 1, characterized in that: one end of the movable shaft (10) far away from the gear (11) is fixedly connected with a rotating block (14).

3. A lead screw straightening device according to claim 1, characterized in that: the width of the rack (9) is larger than the width of the opening of the chute (7).

4. A lead screw straightening device according to claim 1, characterized in that: the clamping assembly comprises a first connecting block (15), a second connecting block (16), a threaded rod (17), a clamping plate (18) and a locking block (19), wherein one side of the supporting plate (13) is fixedly connected with the first connecting block (15), the top of the first connecting block (15) is fixedly connected with the threaded rod (17), the second connecting block (16) is connected to the threaded rod (17) in a sliding mode, the clamping plate (18) is fixedly connected to the second connecting block (16), the clamping plate (18) is vertically located above the supporting plate (13), and the locking block (19) is connected to the threaded rod (17) in a threaded mode.

5. A lead screw straightening device as claimed in claim 4, wherein: a spring (20) is sleeved on the threaded rod (17) at a position between the first connecting block (15) and the second connecting block (16).

6. A lead screw straightening device as claimed in claim 4, wherein: the clamping plate (18) is consistent with the supporting plate (13) in shape and size, and the clamping plate (18) and the supporting plate (13) are placed in a mirror image mode.

7. A lead screw straightening device as claimed in claim 4, wherein: the clamping plate (18) and the supporting plate (13) are fixedly connected with a protection pad at one side presenting an arc shape.