CN115401092A

CN115401092A - Bolt straightening device

Info

Publication number: CN115401092A
Application number: CN202211208035.5A
Authority: CN
Inventors: 阮小乐; 李京翰; 瞿静浩; 张俊; 黎倩倩; 庄诚羔; 李涛; 张天羽
Original assignee: Wenling Vocational & Technical School
Current assignee: Wenling Vocational & Technical School
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2022-11-29

Abstract

The invention provides a bolt straightening device which comprises a base, a detection assembly and a support arranged on the base, and a correction assembly hung above the detection assembly through the support, wherein the detection assembly comprises a detection box body and placing frames respectively arranged at two ends of the detection box body, symmetrical arc-shaped grooves are formed in the top end of each placing frame, a plurality of vertically arranged detection sheets are arranged in the detection box body, elastic detection pieces are arranged at the bottoms of the detection sheets, and the correction assembly moves above the detection box body along the support and sequentially passes right above each detection sheet. According to the invention, the bending position and the bending degree are accurately judged by detecting the pressing degree of the sheet, so that the detection precision of the bent part of the bolt is greatly improved, and the bent part is correspondingly straightened by the correspondingly arranged correcting component. The device has the advantages of high detection precision, convenience in use, low cost and the like.

Description

Bolt straightening device

Technical Field

The invention relates to the technical field of machining equipment, in particular to a bolt straightening device.

Background

Bolts are the basic workpiece of great importance in industrial production, and are also known as industrial rice. It can be seen that the bolt has wide application. The application range of the bolt is as follows: electronic products, mechanical products, digital products, electrical equipment and electromechanical products. The bolt is also useful in ships, vehicles, hydraulic engineering, and even chemical experiments. Bolts have an important task in industry, and as long as there is industry on earth, the function of bolts is of permanent importance.

The production and processing process of the bolt is as follows: the bolt blank is made through cold heading machine processing to rolling round steel, accomplishes the screw thread processing of bolt blank by the wire twisting machine again, and the bolt blank is accomplished the processing by the automatic cold heading machine of multistation, carries out heat treatment to the bolt blank, the bolt blank can cause the skew of bolt different degree after the heat treatment process, so need carry out the alignment. The prior art is concentrated that straightening equipment comprises a press machine tool or roller type straightening equipment, and for parts with relatively small sizes such as bolts, the roller type straightening machine is generally adopted due to the huge production and processing quantity.

But the existing bolt straightening equipment also has certain defects: the roller type straightening machine can only straighten the extremely thin bolts, and when the bolts with the diameter of more than 5mm are used, the bolts are difficult to be straightened completely due to insufficient pressure intensity, so that the product quality is influenced; if a pressure machine tool is used, the equipment is large, the cost is high, the bending position is difficult to accurately position, and the straightening effect is poor.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a bolt straightening device, which solves the problem that the quality of a product is influenced because bolts with larger diameters are difficult to be completely straightened in the prior art; or the problems of high cost and low alignment precision.

According to an embodiment of the invention, the bolt straightening device comprises a base, a detection assembly and a support which are arranged on the base, and a correction assembly which is hung above the detection assembly through the support, wherein the detection assembly comprises a detection box body and placing frames which are respectively arranged at two ends of the detection box body, symmetrical arc-shaped grooves are formed in the top ends of the placing frames, the bottom ends of the arc-shaped grooves are highly matched with the height of the detection box body, the detection box body is of a hollow structure with an opening at the top, a plurality of vertically arranged detection sheets are arranged in the detection box body, the detection sheets are sequentially arranged in the opposite direction of the two placing frames and are filled in the inner space of the detection box body, elastic detection pieces are arranged at the bottoms of the detection sheets, and the correction assembly moves above the detection box body along the support and sequentially passes right above each detection sheet.

The technical principle of the invention is as follows: adopt and detect the box body as the detection part of bolt bending degree, inside is equipped with a large amount of detection pieces that set up side by side, when the bolt was rotatory on detecting the piece, the flexion can push down and detect the piece to accurate crooked position and the bending degree of judging through the degree of pushing down that detects the piece, thereby very big promotion is to the detection precision of bolt bending part, and corresponds the alignment through the correction subassembly that corresponds the setting with the flexion. The device has the advantages of high detection precision, convenience in use, low cost and the like.

Further, some that the detection box body was kept away from to the rack still are provided with fixed subassembly, fixed subassembly includes the supporting seat, sets up first telescopic link on the supporting seat and fixes the press head in first telescopic link one end, first telescopic link level sets up at the supporting seat top and corresponds the height of arc wall, and first telescopic link and the coaxial setting of arc wall simultaneously, the press head is the frustum structure of being coaxial in first telescopic link setting, and the fixed setting of press head is close to arc wall one end at first telescopic link.

Furthermore, a motor is arranged between the pressing head and the first telescopic rod, and the motor is coaxially fixed at the end of the first telescopic rod and drives the pressing head and the first telescopic rod to rotate coaxially.

Further, the support is including setting up at the support at base edge and setting up the slide rail at the support top, the slide rail level sets up in detecting the box body top, and the slide rail both ends are just to two arc walls.

Further, the correction assembly comprises a sliding block, a second telescopic rod and a pressing block, wherein the sliding block is arranged on the sliding rail in a matched mode, the second telescopic rod is fixedly arranged at the bottom of the sliding block, the pressing block is arranged at the bottom end of the second telescopic rod, the sliding block is arranged on the sliding rail in a sliding mode, the second telescopic rod is vertically arranged, the top end of the second telescopic rod is fixedly connected with the sliding block, and the bottom end of the second telescopic rod is fixedly connected with the pressing block.

Furthermore, the elastic detection piece comprises a vertically arranged spring and a pressure-sensitive sensor arranged at the bottom end of the spring, the top end of the spring is fixedly connected with the bottom end of the detection piece, and when the spring is in a balanced state, the top end of the detection piece is just as high as the top of the detection box body.

Further, still include microprocessor, microprocessor respectively with pressure sensitive sensor, slider and second telescopic link electric connection.

Furthermore, a plurality of vertical clamping grooves are formed in the two side faces of the detection box body perpendicular to the placing frame, and the detection pieces are sequentially and correspondingly arranged in the clamping grooves and just slide in the vertical direction along the clamping grooves.

Compared with the prior art, the invention also has the following beneficial effects:

1. according to the invention, the bolt workpiece fixedly arranged on the arc-shaped groove is erected through the two symmetrically arranged pressing heads, and the workpiece is driven to rotate, so that the workpiece can enable the bent part to extrude the detection sheet below in the rotating process, and the bent position can be accurately positioned;

2. the correcting assembly comprises a sliding block, and can be aligned to any position of a bolt workpiece below through the movement of the sliding block on a sliding rail, so that after a bending position is accurately positioned, a second telescopic rod and a pressing block are moved to corresponding positions, the workpiece below is pressed and corrected, and the function of automatic detection and alignment is achieved;

3. the elastic detection piece comprises a spring and a pressure-sensitive sensor, wherein the spring is transmitted to the pressure-sensitive sensor after being subjected to pressure applied by a detection piece moving downwards, so that the downward movement value of the detection piece is vertically judged according to different pressures, and finally, the bending degree of the bolt is comprehensively judged so as to be conveniently and accurately straightened.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a detection box body in the embodiment of the invention.

FIG. 3 is a schematic view of the combination of the detecting piece and the elastic detecting member in the embodiment of the present invention.

In the above drawings: 1. a base; 2. detecting the box body; 3. a support; 4. placing a rack; 5. a supporting seat; 6. a slider; 21. detecting a sheet; 22. a spring; 23. a pressure sensitive sensor; 31. a strut; 32. a slide rail; 51. a first telescopic rod; 52. a pressing head; 61. a second telescopic rod; 62. and (7) briquetting.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

As shown in fig. 1, an embodiment of the present invention provides a bolt straightening device, which includes a base 1, a detection assembly and a bracket 3 that are disposed on the base 1, and a correction assembly that is suspended above the detection assembly through the bracket 3. In this embodiment, the base 1 is a flat plate, the detection component is arranged in the middle of the base 1, the supports 3 are respectively arranged at the edges of the base 1 at the two ends of the detection component and cross over from the top of the detection component, and therefore the correction component can be hung to the top of the detection component from the top of the supports 3.

As shown in fig. 2, in this embodiment, the detection assembly includes detection box body 2 and rack 4 that sets up respectively at detection box body 2 both ends, and is preferred, detects box body 2 and is open-topped cavity square box body, detects 2 inside detection pieces 21 that are provided with a plurality of vertical settings of box body, wherein detects that pieces 21 are on a parallel with the setting of the minor face place side that detects box body 2 to set up side by side at detection box body 2 inside equidistant in proper order along the long edge direction that detects box body 2. Preferably, a plurality of vertical clamping grooves are formed in two side faces, perpendicular to the placing frame 4, of the detection box body 2, and the detection pieces 21 are sequentially and correspondingly arranged inside the clamping grooves and just slide in the vertical direction along the clamping grooves. The bottom of the detection piece 21 is provided with an elastic detection piece, so that the top of the detection piece 21 can elastically move downwards after being pressed in the vertical direction. The rack 4 is a vertically arranged square plate, the rack 4 is arranged on the side of two short sides of the detection box body 2 in a clinging manner, the top of the rack 4 is higher than the detection box body 2 and is provided with symmetrical arc-shaped grooves, and the bottom of each arc-shaped groove is highly matched with the height of the detection box body 2, so that the bottom of each arc-shaped groove is coplanar with the top of the detection piece 21.

Further in this embodiment, some of the placing frames 4 far away from the detection box 2 are further provided with a fixing assembly, and the fixing assembly includes a supporting base 5, a first telescopic rod 51 disposed on the supporting base 5, and a pressing head 52 fixed at one end of the first telescopic rod 51. In this embodiment, the supporting seat 5 is a block structure disposed near the placing frame 4, the first telescopic rod 51 is horizontally disposed at the top of the supporting seat 5 and corresponds to the height of the arc-shaped groove, the first telescopic rod 51 and the arc-shaped groove are coaxially disposed, the pressing head 52 is a frustum structure coaxially disposed on the first telescopic rod 51, and the pressing head 52 is fixedly disposed at one end of the first telescopic rod 51 close to the arc-shaped groove. When the first telescopic rod 51 drives the pressing head 52 to move, the pressing head 52 moves telescopically in the arc-shaped groove, so that a bolt workpiece placed in the arc-shaped groove is clamped or loosened. In addition, a motor is further arranged between the pressing head 52 and the first telescopic rod 51, and the motor is coaxially fixed at the end of the first telescopic rod 51 and drives the pressing head 52 and the first telescopic rod 51 to rotate coaxially. When the two symmetrical pressing heads 52 clamp two ends of a workpiece, the motor rotates synchronously to drive the workpiece to rotate in situ along the central axis of the workpiece.

In the scheme that this embodiment corresponds, support 3 is including setting up at the marginal branch 31 of base 1 and setting up the slide rail 32 at branch 31 top, and wherein two branches 31 correspond two rack 4 settings respectively, and slide rail 32 erects the top at branch 31 for slide rail 32 level passes from detecting box body 2 top, and passes through in proper order from the middle part of each detection piece 21. And the two ends of the sliding rail 32 are opposite to the two arc-shaped grooves, so that the correcting component can sequentially pass through the position right above each detection sheet 21 when moving above the detection box body 2 along the support 3. Further, the correction assembly comprises a sliding block 6 arranged on the sliding rail 32 in a matching mode, a second telescopic rod 61 fixedly arranged at the bottom of the sliding block 6 and a pressing block 62 arranged at the bottom end of the second telescopic rod 61, the sliding block 6 is arranged on the sliding rail 32 in a sliding mode, the second telescopic rod 61 is vertically arranged, the top end of the second telescopic rod is fixedly connected with the sliding block 6, and the bottom end of the second telescopic rod is fixedly connected with the pressing block 62. Because the slide rail 32 is arranged corresponding to the detection box body 2, when the slide block 6 moves along the slide rail 32, the second telescopic rod 61 and the pressing block 62 can be moved to any position on the workpiece placed in the groove.

As shown in fig. 3, in a preferred embodiment of the present invention, the elastic detection element includes a spring 22 vertically disposed and a pressure-sensitive sensor 23 disposed at a bottom end of the spring 22, a top end of the spring 22 is fixedly connected to a bottom end of the detection sheet 21, and when the spring 22 is in a balanced state, a top end of the detection sheet 21 is exactly as high as a top of the detection box body 2. Further, the device further comprises a microprocessor, and the microprocessor is electrically connected with the pressure-sensitive sensor 23, the sliding block 6 and the second telescopic rod 61 respectively. The microprocessor comprehensively processes the pressure signals received by the pressure-sensitive sensor 23, so that the downward movement degree of the detection plate is converted into a corresponding bolt complete state, then the sliding block 6 is controlled to move to a corresponding position, the screw rod is rotated to the bending section to face upwards, the second telescopic rod 61 can be used for driving the pressing block 62 to straighten the bending section, and finally all the bending parts of the screw rod are straightened within an error allowable range.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a bolt coalignment which characterized in that: including base, setting detection module and support on the base and hang the correction subassembly of establishing in the detection module top through the support, detection module is including detecting the box body and setting up the rack at detection box body both ends respectively, the rack top is provided with the arc wall of symmetry, the height that the bottom height-matching of arc wall detected the box body, it is open-top's hollow structure to detect the box body, detects the inside detection piece that is provided with a plurality of vertical settings of box body, it sets gradually and fills full detection box body inner space to detect the piece along the relative direction of two racks, it is equipped with the elasticity detection piece to detect the piece bottom, correction subassembly moves and passes through each detection piece directly over in proper order above detecting the box body along the support.

2. A bolt straightening device as claimed in claim 1, wherein: some that the detection box body was kept away from to the rack still are provided with fixed subassembly, fixed subassembly includes the supporting seat, sets up first telescopic link on the supporting seat and fixes the press head in first telescopic link one end, first telescopic link level sets up at the supporting seat top and corresponds the height of arc wall, and first telescopic link and the coaxial setting of arc wall simultaneously, the press head is the frustum structure of being coaxial in the setting of first telescopic link, and the press head is fixed to be set up at first telescopic link and is close to arc wall one end.

3. A bolt straightening device as claimed in claim 2, wherein: still be equipped with the motor between pressing head and the first telescopic link, the motor is coaxial to be fixed at the end of first telescopic link to drive pressing head and the coaxial rotation of first telescopic link.

4. A bolt straightening device as claimed in claim 1, wherein: the support is including setting up at the support at base edge and setting up the slide rail at the support top, the slide rail level sets up in detecting the box body top, and the slide rail both ends are just to two arc walls.

5. A bolt straightening device according to claim 4, wherein: the correcting assembly comprises a sliding block, a second telescopic rod and a pressing block, the sliding block is arranged on the sliding rail in a matched mode, the second telescopic rod is fixedly arranged at the bottom of the sliding block, the pressing block is arranged at the bottom end of the second telescopic rod, the sliding block is arranged on the sliding rail in a sliding mode, the second telescopic rod is vertically arranged, the top end of the second telescopic rod is fixedly connected with the sliding block, and the bottom end of the second telescopic rod is fixedly connected with the pressing block.

6. A bolt straightening device as claimed in claim 1, wherein: the elastic detection piece comprises a vertically arranged spring and a pressure-sensitive sensor arranged at the bottom end of the spring, the top end of the spring is fixedly connected with the bottom end of the detection piece, and when the spring is in a balanced state, the top end of the detection piece is just as high as the top of the detection box body.

7. A bolt straightening device as claimed in claim 6, wherein: the pressure-sensitive sensor is electrically connected with the sliding block and the second telescopic rod.

8. A bolt straightening device as claimed in claim 1, wherein: the detection box body is perpendicular to the placing frame, a plurality of vertical clamping grooves are formed in the two side faces of the placing frame, and the detection pieces are sequentially and correspondingly arranged in the clamping grooves and just slide in the vertical direction along the clamping grooves.