CN114378219B - Shaft alignment and cutting integrated machine and shaft alignment and cutting method - Google Patents

Abstract

The invention relates to a shaft straightening and cutting integrated machine which comprises a frame, wherein the frame is sequentially provided with a coarse straightening device, a fine straightening device and a cutting device from back to front, and the cutting device comprises a first mounting frame which is hollow in the interior and is provided with a first sliding groove; the first sliding block can slide up and down and is arranged in the first sliding groove, a cutter is embedded in the first sliding block, a second shaft channel is arranged in the cutter, and the axis of the second shaft channel and the axis of the rotary drum are positioned on the same straight line; the driving mechanism is used for driving the first sliding block to move downwards; the pressure spring enables the first sliding block to always have upward moving trend; the stop lever is arranged on the first mounting frame and can swing up and down, the length direction of the stop lever is arranged along the axial direction of the second shaft channel, and the first end of the stop lever is spaced from the output end of the second shaft channel and is arranged opposite to the output end of the second shaft channel; and the third tension spring enables the first end of the stop lever to have a downward swing trend all the time, so that the labor intensity of workers can be reduced, the production efficiency is high, and the fixed-length cutting shaft precision is high.

Description

Shaft alignment and cutting integrated machine and shaft alignment and cutting method

Technical Field

The invention relates to the technical field of shaft machining, in particular to a shaft straightening and cutting integrated machine.

Background

The metal wires are usually coiled into a disc shape before use, so that the space is saved, and the transportation and the storage are convenient. When the wire rod is required to be used, the metal wire rod is required to be straightened firstly, and then the straightened wire rod is cut into a short shaft with a certain length. When traditional metal wire rod is processing, alignment process and cutting process are gone on separately, not only cause workman's working strength to increase, production efficiency is low, moreover, the cutting process still need manual fixation, and fixed effect is poor, leads to the fixed precision that cuts off of axle fixed length not high.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a shaft straightening and cutting integrated machine which can reduce the labor intensity of workers and improve the production efficiency.

The second technical problem to be solved by the invention is to provide a shaft straightening and cutting integrated machine with better shaft straightening effect aiming at the state of the art.

The third technical problem to be solved by the invention is to provide a shaft straightening and cutting integrated machine with higher shaft fixed-length cutting precision aiming at the current state of the art.

The fourth technical problem to be solved by the invention is to provide a shaft straightening and cutting method of the shaft straightening and cutting integrated machine aiming at the state of the art.

The technical scheme adopted by the invention for solving the first, second and third technical problems is as follows: the utility model provides a axle alignment cuts off all-in-one which characterized in that: comprises a frame, a coarse straightening device, a fine straightening device and a cutting device are sequentially arranged on the frame from back to front,

the coarse straightening device comprises

The second installation frame is arranged on the rack, and the interior of the second installation frame is hollow;

the straightening roller set comprises a base roller and a press roller which are arranged in the second installation frame in a transverse rotating mode, the direction of rotation of the base roller is opposite to that of the press roller, the press roller is positioned above the base roller and can move up and down relative to the base roller, and a third shaft channel is arranged between the base roller and the press roller; the fine straightening device comprises

The rotary drum is arranged on the rack along the front-back direction and can rotate around the axis of the rotary drum, the rotary drum is positioned in front of the second mounting frame and is provided with an inner cavity, a first opening and a second opening, the first opening and the second opening are communicated with the inner cavity, the inner cavity is used for a shaft to penetrate through along the axial direction of the rotary drum, and the first opening and the second opening are oppositely arranged at two sides of the rotary drum;

the two straightening structures are distributed at intervals along the circumferential direction of the rotary drum, each straightening structure comprises at least two groups of straightening components distributed at intervals along the axial direction of the rotary drum, the straightening components in the two straightening structures are staggered, each group of straightening components comprises a mounting block arranged on the rotary drum and a straightening block accommodated in the inner cavity, each mounting block in one straightening structure is positioned at the first opening, each mounting block in the other straightening structure is positioned at the second opening, each straightening block can be arranged at the inner side of the corresponding mounting block in a reciprocating sliding manner along the radial direction of the rotary drum, and arc-shaped grooves are formed in the inner sides of the straightening blocks, so that the arc-shaped grooves of the two straightening structures jointly form a first shaft channel;

the cutting device comprises

The first installation frame is arranged on the rack and positioned in front of the rotary drum, and the first installation frame is hollow and provided with a first chute;

the first sliding block can slide up and down and is arranged in the first sliding groove, a cutter is embedded in the first sliding block, a second shaft channel is arranged in the cutter, and the axis of the second shaft channel and the axis of the rotary drum are positioned on the same straight line;

the driving mechanism is used for driving the first sliding block to move downwards;

the pressure spring enables the first sliding block to always have upward movement trend;

the stop lever is arranged on the first mounting frame and can swing up and down, the length direction of the stop lever is arranged along the axial direction of the second shaft channel, and the first end of the stop lever is spaced from and opposite to the output end of the second shaft channel;

and the third tension spring enables the first end of the stop lever to always have a downward swinging trend.

Because the cutting action of the cutter is often delayed and the shaft is always in a conveying state, the cutting device also comprises

The two supporting seats are arranged on the frame at intervals, second guide rods are arranged on the supporting seats along the axial direction of the rotary drum, second sliding grooves are respectively arranged on two sides of the bottom of the first mounting frame, and each second sliding groove is in sliding connection with the second guide rod on the corresponding side so that the first mounting frame can slide back and forth along the axial direction of the rotary drum;

the first tension spring enables the first mounting frame to always have a backward movement trend. When the shaft moves forwards to prop against the stop lever, the stop lever and the first mounting frame are driven to move forwards synchronously by the shaft continuously, then, the cutter completes cutting action, the stop lever is driven by the first mounting frame to move backwards to reset under the action of the first tension spring, and the forward movement of the shaft is buffered by the first mounting frame and the stop lever in the shaft cutting process, so that the shaft is prevented from bending and deforming in the cutting process.

In order to be convenient for collect the minor axis after cutting off, the front portion of frame is opened there is the discharge gate, still be equipped with the blown down tank on the first installing frame, this blown down tank sets up downwards gradually from the back to the front, just the rear end of blown down tank corresponds the below of the output of second shaft passageway, the front end of blown down tank towards the discharge gate.

Because the surface of the shaft can be adhered with a lot of dust in the processing process, if the shaft which is not cleaned up of dust is straightened, the dust can be continuously accumulated in the shaft channel, so that the shaft and the straightening part can easily slide relatively to influence the straightening effect. In order to avoid the influence of dust on the straightening effect, the frame is also provided with a box body positioned behind the coarse straightening device, a sponge block is accommodated in the box body, a fourth shaft channel extending forwards and backwards is arranged on the sponge block, and the front wall and the rear wall of the box body are both provided with notches communicated with the fourth shaft channel; the top of the box body is provided with an opening, and the sponge block can be placed in the box body or taken out from the box body through the opening.

The fine straightening device also comprises

The two bases are arranged on the frame at intervals along the axial direction of the rotary drum, two ends of the rotary drum are respectively provided with a hollow shaft, the inside of each hollow shaft is communicated with the inner cavity, and each hollow shaft is respectively arranged in the corresponding base in a penetrating way;

the driving motor is arranged at the bottom of the frame;

the belt transmission mechanism is vertically arranged, and is arranged between an output shaft of the driving motor and a hollow shaft positioned at the axial rear end of the rotary drum.

In order to facilitate reciprocating sliding straightening blocks, each straightening block is provided with a first adjusting screw and two first guide rods, the first adjusting screw penetrates through the corresponding mounting block and can slide along the radial direction of the rotary drum in a reciprocating manner, and the two first guide rods are respectively located on two sides of the first adjusting screw and penetrate through the corresponding mounting block.

In order to reduce the curvature of the shaft before the shaft is roughly aligned, the rough alignment device further comprises

The first limiting roller set is arranged on the frame and positioned behind the second mounting frame, the first limiting roller set comprises two first limiting rollers which are vertically distributed at intervals to form a first gap, and each first limiting roller is transversely arranged;

the second limiting roller set is arranged on the frame and positioned behind the first limiting roller set, the second limiting roller set comprises two second limiting rollers which are distributed at intervals transversely to form a second gap, and each second limiting roller is arranged vertically. The vertical of axle is spacing through first spacing roller group to transversely carry out spacingly through second spacing roller group counter shaft to the bending degree of axle before the coarse alignment is adjusted, avoid the axle too crooked, can reduce the reaction force that the axle applyed base roller and compression roller when the alignment of alignment roller group, make base roller and compression roller be difficult to warp, thereby ensure the alignment effect of alignment roller group, the life of extension base roller and compression roller, moreover, alignment roller group traction bending degree less axle speed is faster, can accelerate the machining efficiency of axle alignment.

In order to facilitate the adjustment of the position of the press roller, two sides of the second installation frame are respectively provided with a third chute, each third chute is internally provided with a second sliding block, two ends of a rotating shaft of the press roller are respectively and rotatably connected to the corresponding second sliding blocks, and two ends of the rotating shaft of the base roller are respectively and rotatably arranged on the second installation frame; the top of second installing frame wears to be equipped with the second adjusting screw that can slide from top to bottom, and the upper end of this second adjusting screw is equipped with the carousel, the lower extreme of second adjusting screw is equipped with the clamp plate, and the both ends of this clamp plate offset with the upper surface of corresponding second slider respectively, just the inside of second installing frame still is equipped with the second extension spring, and this second extension spring makes the clamp plate has the trend of upwards moving all the time.

In order to avoid shaft deformation during rough straightening, a corrugated first extrusion area is formed on the peripheral wall of the base roller, a corrugated second extrusion area is formed on the peripheral wall of the press roller, and the second extrusion area corresponds to the first extrusion area.

The technical scheme adopted by the invention for solving the fourth technical problem is as follows: the shaft straightening and cutting method of the shaft straightening and cutting integrated machine is characterized by comprising the following steps in sequence:

the first step, the shaft from the rear end of the frame extends forwards and passes through a third shaft channel, and the straightening roller set performs short-distance extrusion rough straightening on the shaft;

step two, the shaft after the step one penetrates through the inner cavity, and the rotating drum drives each group of straightening components to rotate, so that the arc-shaped grooves on each straightening block perform long-distance rotation fine straightening on the shaft in the first shaft channel;

and thirdly, enabling the shaft after the second step to enter a second shaft channel, pulling the shaft to extend forwards by the straightening roller set to be propped against the first end of the stop lever, and then enabling the first sliding block to drive the cutter to slide downwards, so that the part of the shaft in the second shaft channel and the part of the shaft at the front side of the second shaft channel are misplaced, and the shaft is cut off.

Compared with the prior art, the invention has the advantages that:

1. the shaft is extruded and roughly aligned in a short distance through the coarse alignment device, so that integral curvature of the shaft is reduced firstly, long-distance rotation fine alignment is carried out on the shaft through the fine alignment device, and therefore fine alignment is carried out on part of the shaft, the coarse alignment device and the fine alignment device are matched with each other, so that the alignment effect of the shaft alignment and cutting integrated machine is good, if the shaft is aligned by the fine alignment device only, the shaft with overlarge bending degree can increase the load of an alignment block, the rotating resistance of a rotating drum is overlarge and the rotating speed is reduced, the alignment block is easy to wear, the shaft is cut off through the cutting device after alignment, and the accuracy of fixed-length cutting of the cutting device is higher due to higher straightness of the shaft, in addition, the coarse alignment device, the fine alignment device and the cutting device are integrated on the same equipment, so that automatic alignment and cutting of the shaft can be realized, labor intensity of workers can be reduced, the production efficiency of shaft processing is improved, the shaft fixing effect is better when the shaft is cut off, and the fixed length cutting accuracy of the shaft can be further improved;

2. the coarse straightening device can adjust the size of the third channel by moving the press roller up and down, so that the coarse straightening device can perform coarse calibration on shafts with different diameters, and the fine straightening device can adjust the size of the first shaft channel by moving the straightening block in a reciprocating manner, so that the fine straightening device can perform fine calibration on shafts with different diameters, and the shaft straightening and cutting-off integrated machine is higher in universality;

3. the cutting device limits the extending degree of the shaft through the stop lever, the length of the shaft extending is fixed because the distance between the stop lever and the output end of the second shaft channel is fixed, so that the fixed-length cutting precision of the shaft is further improved, the stop lever can have a certain constraint effect on the shaft when the shaft is cut off, the jumping amount is large when the shaft is prevented from being cut off, the short shaft after cutting off is prevented from jumping out of a frame to accidentally injure workers, the potential safety hazard can be reduced, and the third tension spring can buffer the collision between the stop lever and the shaft when the shaft extends forwards to abut against the stop lever, so that the shaft can be prevented from bending.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

fig. 2 is a schematic structural view of a transfer drum and an alignment assembly according to an embodiment of the present invention;

FIG. 3 is a top view of the structure shown in FIG. 2;

FIG. 4 is a perspective view of a calibration assembly according to an embodiment of the present invention;

FIG. 5 is a perspective view of a cutting device according to an embodiment of the present invention;

FIG. 6 is a perspective view of a first slider and a first chute according to an embodiment of the present invention;

FIG. 7 is a front view of the cutting device with the stop lever removed in an embodiment of the present invention;

fig. 8 illustrates a coarse alignment apparatus in an embodiment of the present invention;

fig. 9 is a perspective view of a box and sponge block according to an embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 9, which are preferred embodiments of the present invention.

As shown in fig. 1, the shaft straightening and cutting integrated machine in this embodiment includes a frame 4, and the frame 4 is provided with a box 6, a coarse straightening device 3, a fine straightening device 2, and a cutting device 1 in this order from the rear to the front. The inside of the case 6 accommodates a sponge block 61, and the top of the case 6 has an opening 60, and the sponge block 61 can be placed in the case 6 or taken out from the case 6 through the opening 60. The sponge block 61 is provided with a fourth shaft channel 610 extending back and forth, and the front wall and the rear wall of the box body 6 are both provided with notches 62 (see fig. 9) communicated with the fourth shaft channel 610, so that dust and dust are cleaned on the shaft 5 before the shaft 5 is straightened, and the straightening effect of the shaft 5 is prevented from being influenced by the dust and dust. The coarse straightening device 3 performs coarse straightening on the shaft 5, the fine straightening device 2 performs fine straightening on the shaft 5, and finally the cutting device 1 performs fixed-length cutting on the shaft 5.

As shown in fig. 8, the coarse alignment device 3 includes a second mounting frame 31, an alignment roller set 32, a first limit roller set 33, a second limit roller set 34, a second slider 35, a second adjusting screw 36, a pressing plate 362, a turntable 361 driving device 37, and a second tension spring 30. The second mounting frame 31 is disposed at the rear of the frame 4, and the second mounting frame 31 is hollow. The straightening roller group 32 includes a pressing roller 321 and a base roller 322, both of which are disposed in the lateral direction, and, taking the right-hand direction shown in fig. 1 as an example, the pressing roller 321 can rotate clockwise about its own axis, and the base roller 322 can rotate counterclockwise about its own axis, so that the position on the base roller 322 near the pressing roller 321 is directed forward tangentially, and the position on the pressing roller 321 near the base roller 322 is directed forward tangentially. The pressing roller 321 is located above the base roller 322, and a corrugated second pressing area 321a is formed on the peripheral wall of the pressing roller 321, and a corrugated first pressing area 322a is formed on the peripheral wall of the base roller 322, the first pressing area 322a and the second pressing area 321a corresponding (see fig. 1), so that a third shaft passage 320 is formed between the pressing roller 321 and the base roller 322. The two ends of the rotating shaft of the base roller 322 are respectively rotatably disposed at two sides of the second mounting frame 31, two sides of the second mounting frame 31 are respectively provided with a third sliding groove 311, each third sliding groove 311 is respectively accommodated with a second sliding block 35, and two ends of the rotating shaft of the pressing roller 321 are respectively rotatably disposed on the second sliding blocks 35 at corresponding sides, so that the pressing roller 321 can slide up and down relative to the base roller 322. The second adjusting screw 36 is disposed on the top wall of the second mounting frame 31 in a penetrating manner and can slide up and down, the turntable 361 is disposed at the upper end of the second adjusting screw 36, the pressing plate 362 is disposed at the lower end of the second adjusting screw 36, and two ends of the pressing plate 362 respectively abut against the upper surface of the corresponding second slider 35, so as to position the vertical position of the pressing roller 321. The driving device 37 is provided at one side of the second mounting frame 31, and the driving device 37 is used to drive the pressing roller 321 and the base roller 322 to rotate to convey the shaft 5 forward. The second tension spring 30 is disposed inside the second mounting frame 31 and between the second mounting frame 31 and the pressing plate 362, so that the pressing plate 362 always has a tendency to move upward.

As shown in fig. 8, the first limiting roller set 33 is located at the rear of the straightening roller set 32, and the first limiting roller set 33 includes two first limiting rollers 331 vertically spaced apart to form a first gap 330, and each first limiting roller 321 is laterally disposed so as to vertically limit the shaft 5. The second limiting roller set 34 is located between the first limiting roller set 33 and the box body 6 (see fig. 1), and the second limiting roller set 34 includes two second limiting rollers 341 distributed at intervals in a transverse direction to form a second gap 340, where each second limiting roller 341 is disposed in a vertical direction so as to limit the shaft 5 in a transverse direction. The design of the first limiting roller set 33 and the second limiting roller set 34 can restrict the shaft 5 entering the third shaft channel 320, so that the shaft 5 entering the third shaft channel 320 is prevented from being excessively bent, the acting force of the shaft 5 on the straightening roller set 32 is reduced, the load of the straightening roller set 32 can be reduced, the service life of the straightening roller set 32 is prolonged, and the shaft 5 can be conveyed forwards more smoothly.

The fine straightening device 2 comprises a rotary drum 21, a straightening assembly 22, a machine base 23, a belt transmission mechanism 24 and a driving motor 25 (see fig. 1). The drum 21 is provided on the frame 4 in the front-rear direction and is rotatable about its own axis, and the drum 21 is located in front of the second mounting frame 31 (see fig. 1). The drum 21 has an inner cavity 211, and the inner cavity 211 is penetrated by the shaft 5 in the axial direction of the drum 21. The drum 21 is also provided with a first opening 212 and a second opening 213 communicating with the inner cavity 211, and the first opening 212 and the second opening 213 are provided on opposite sides of the drum 21 (see fig. 2). The alignment assemblies 22 are grouped into a first row of alignment structures 22a and a second row of alignment structures 22b, the first row of alignment structures 22a and the second row of alignment structures 22b each include three groups of alignment assemblies 22, and the alignment assemblies 22 in the first row of alignment structures 22a and the alignment assemblies 22 in the second row of alignment structures 22b are staggered (see fig. 3). Each set of alignment assemblies 22 includes a mounting block 221 disposed on drum 21 and an alignment block 222 (see fig. 2) received in cavity 211, wherein each mounting block 221 in a first row of alignment structures 22a is positioned at first opening 212 and each mounting block 221 in a second row of alignment structures 22b is positioned at second opening 213 (see fig. 2); each alignment block 222 is reciprocally slidably disposed along the radial direction of the drum 21 on the inner side of the corresponding mounting block 221, and each alignment block 222 has an arc-shaped groove 223 (see fig. 2 and 4) on the inner side thereof, so that the arc-shaped grooves 223 of the first row of alignment structures 22a and the second row of alignment structures 22b together form a first shaft channel.

The two bases 23 are spaced apart along the axial direction of the drum 21 (see fig. 1), two hollow shafts 214 (see fig. 2 and 3) are respectively arranged at two ends of the drum 21, the interior of each hollow shaft 214 is communicated with the inner cavity 211, and each hollow shaft 214 is respectively arranged in the corresponding base 23 in a penetrating manner, so that the drum 21 is convenient to install. The driving motor 25 is provided at the bottom of the frame 4, the belt transmission mechanism 24 is provided vertically, and the belt transmission mechanism 24 is provided between an output shaft of the driving motor 25 and a hollow shaft 214 (see fig. 1) located at the axial rear end of the drum 21, thereby facilitating the rotation of the drum 21.

As shown in fig. 4, each alignment block 222 is provided with a first adjusting screw 224, and the first adjusting screw 224 is disposed on the corresponding mounting block 221 in a penetrating manner and can slide back and forth along the radial direction of the drum 21. Two first guide rods 225 are further arranged on each straightening block 222 and are respectively positioned on two sides of the first adjusting screw 224, and each first guide rod 225 is arranged on the corresponding mounting block 221 in a penetrating manner so as to guide the reciprocating movement of the straightening block 222.

The cutting device 1 comprises a first mounting frame 11, a first slider 12, a stop lever 13, a drive mechanism 14, a compression spring 15, a support seat 16 and a first tension spring 17 (see fig. 5). The first mounting frame 11 is disposed on the frame 4 and is located in front of the drum 21 (see fig. 1), the first mounting frame 11 is hollow, a U-shaped block 111 is disposed in the first mounting frame 11, two pressing blocks 112 are disposed at two ends of the U-shaped block 111, and the U-shaped block 111 and the two pressing blocks 112 together form a first chute 110 (see fig. 6). The first slider 12 is slidably disposed in the first chute 110, and a cutter 18 is embedded in the first slider 12, a second shaft channel 180 (see fig. 7) is disposed in the cutter 18, and an axis of the second shaft channel 180 and an axis of the drum 21 are located on the same line. The pin 13 is arranged on the first mounting frame 11 and can swing up and down, the length direction of the pin 13 is arranged along the axial direction of the second shaft channel 180, the first end 131 of the pin 13 is spaced from the output end of the second shaft channel 180 and is arranged opposite to the first end 131 (see fig. 1), as the pin 13 is fixed, namely, the distance between the pin 13 and the output end of the second shaft channel 180 is fixed, the fixed length of the shaft is mechanically controlled through the pin 13, the fixed length cutting precision of the shaft 5 can be higher, in addition, the arrangement of the pin 13 can have a certain constraint effect on the shaft 5 when the shaft is cut off, the jumping amount is larger when the shaft 5 is prevented from being cut off, so that the short shaft after cutting is prevented from jumping out of a frame 4 to accidentally hurt workers, and potential safety hazards can be reduced. The driving mechanism 14 is a hydraulic cylinder provided at the top of the first mounting frame 11, and a piston rod of the hydraulic cylinder penetrates through the top wall of the first mounting frame 11 and can drive the first slider 12 to move downward. The compression spring 15 is provided at the bottom of the first slider 12 so that the first slider 12 always has a tendency to move upward (see fig. 5 and 7).

Two support seats 16 are provided on the frame 4 at intervals, and each support seat 16 is provided with a second guide rod 161 (see fig. 5) extending in the axial direction of the drum 21. Two sides of the bottom of the first mounting frame 11 are respectively provided with a second sliding groove 114 (see fig. 7), and each second sliding groove 114 is slidably connected with the second guiding rod 16 on the corresponding side so that the first mounting frame 11 can slide back and forth along the axial direction of the drum 21. The two first tension springs 17 are distributed at two sides of the bottom of the first mounting frame 11 at intervals (see fig. 5), and each first tension spring 17 enables the first mounting frame 11 to always have a backward movement trend, so that the first mounting frame 11 can be pulled backward to reset after the first mounting frame 11 moves forward along with the stop lever 13.

As shown in fig. 1, the front part of the stand 4 is provided with a discharge hole 41, the first mounting frame 11 is further provided with a discharge chute 113, the discharge chute 113 is gradually arranged in a downward inclination from back to front, the rear end of the discharge chute 113 corresponds to the lower part of the output end of the second shaft channel 180, and the front end of the discharge chute 113 faces the discharge hole 41.

The shaft straightening and cutting method of the shaft straightening and cutting integrated machine in the embodiment comprises the following steps:

the shaft 5 firstly enters the fourth shaft channel 610 from the rear end of the frame 4 so that the sponge block 61 cleans dust on the surface of the shaft 5;

the shaft then enters the coarse alignment device 3 and the shaft 5 passes through the second gap 340, the first gap 330 and into the third shaft passage 320 in sequence, the press roller 321 and the base roller 322 in the alignment roller group 32 press the shaft a short distance for coarse alignment, and convey the shaft 5 to the fine alignment device 2.

After the shaft 5 enters the drum 21 of the fine straightening device 2, each straightening block 22 rotates synchronously with the drum 21 along with the rotation of the drum 21, so that the arc-shaped groove 223 on each straightening block 222 rotates the shaft 5 in the first shaft channel for a long distance, and conveys the shaft 5 to the cutting device 1.

After the shaft 5 enters the second shaft channel in the cutting device 1, along with the reciprocating action of the hydraulic cylinder, the shaft 5 penetrates out of the second shaft channel 180 until the shaft 5 abuts against the first end 131 of the stop lever 13, along with the continuous forward conveying of the shaft 5, the shaft 5 pushes the stop lever 13 to synchronously move forward with the first mounting frame 11, then, the piston rod of the hydraulic cylinder pushes down the first sliding block 12, so that the first sliding block 12 drives the cutter 18 in the first sliding block to move downward, the shaft 5 is cut off, finally, the first mounting frame 11 drives the stop lever 13 to synchronously move backward under the action of the first tension spring 17 to reset, and then, the cutting device 1 repeats the cutting action.

In the description and claims of the present invention, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the invention may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.

Claims (4)

1. The shaft straightening and cutting integrated machine is characterized by comprising a frame (4), wherein the frame (4) is sequentially provided with a coarse straightening device (3), a fine straightening device (2) and a cutting device (1) from back to front,

the coarse straightening device (3) comprises

The second mounting frame (31) is arranged on the rack (4), and the second mounting frame (31) is hollow;

the straightening roller set (32) comprises a base roller (322) and a pressing roller (321) which are rotatably arranged in the second mounting frame (31) along the transverse direction, the direction of the base roller (322) is opposite to that of the pressing roller (321), the pressing roller (321) is positioned above the base roller (322) and can move up and down relative to the base roller (322), and a third shaft channel (320) is arranged between the base roller (322) and the pressing roller (321);

the fine straightening device (2) comprises

A rotary drum (21) which is arranged on the frame (4) along the front-back direction and can rotate around the axis of the rotary drum, wherein the rotary drum (21) is positioned in front of the second mounting frame (31), the rotary drum (21) is provided with an inner cavity (211), a first opening (212) and a second opening (213) which are communicated with the inner cavity (211), the inner cavity (211) is used for enabling a shaft (5) to penetrate along the axial direction of the rotary drum (21), and the first opening (212) and the second opening (213) are oppositely arranged at two sides of the rotary drum (21);

the two straightening structures are distributed at intervals along the circumferential direction of the rotary drum (21), each straightening structure comprises at least two groups of straightening components (22) distributed at intervals along the axial direction of the rotary drum (21), the straightening components (22) in the two straightening structures are staggered, each group of straightening components (22) comprises a mounting block (221) arranged on the rotary drum (21) and a straightening block (222) accommodated in the inner cavity (211), each mounting block (221) in one straightening structure is positioned at the first opening (212), each mounting block (221) in the other straightening structure is positioned at the second opening (213), each straightening block (222) can be slidably arranged on the inner side of the corresponding mounting block (221) in a reciprocating manner along the radial direction of the rotary drum (21), and arc-shaped grooves (223) are formed in the inner sides of the straightening blocks (222), so that the arc-shaped grooves (223) in the two straightening structures form a first axial channel together;

the cutting device (1) comprises

A first mounting frame (11) arranged on the frame (4) and positioned in front of the rotary drum (21), wherein the first mounting frame (11) is hollow and provided with a first chute (110);

the first sliding block (12) is arranged in the first sliding groove (110) in a vertically sliding manner, a cutter (18) is embedded in the first sliding block (12), a second shaft channel (180) is arranged in the cutter (18), and the axis of the second shaft channel (180) and the axis of the rotary drum (21) are positioned on the same straight line;

a driving mechanism (14) for driving the first slider (12) to move downward;

the pressure spring (15) enables the first sliding block (12) to always have a trend of upward movement, and the top end of the pressure spring (15) is connected below the first sliding block (12);

the stop lever (13) is arranged on the first mounting frame (11) and can swing up and down, the length direction of the stop lever (13) is arranged along the axial direction of the second shaft channel (180), and the first end (131) of the stop lever (13) is spaced from the output end of the second shaft channel (180) and is arranged oppositely;

a third tension spring (19) which enables the first end (131) of the stop lever (13) to always have a downward swinging trend;

the cutting device (1) also comprises

The two supporting seats (16) are arranged on the frame (4) at intervals, second guide rods (161) are arranged on the supporting seats (16) along the axial direction of the rotary drum (21), second sliding grooves (114) are respectively arranged on two sides of the bottom of the first installation frame (11), and each second sliding groove (114) is in sliding connection with the corresponding second guide rod (161) so that the first installation frame (11) can slide back and forth along the axial direction of the rotary drum (21);

the first tension spring (17) enables the first mounting frame (11) to always have a backward movement trend, one end of the first tension spring (17) is mounted on the first mounting frame (11), and the other end of the first tension spring (17) is mounted on the frame (4) behind the first mounting frame (11);

the fine straightening device (2) further comprises

The two bases (23) are arranged on the frame (4) at intervals along the axial direction of the rotary drum (21), two ends of the rotary drum (21) are respectively provided with a hollow shaft (214), the inside of each hollow shaft (214) is communicated with the inner cavity (211), and each hollow shaft (214) is respectively penetrated in the corresponding base (23);

the driving motor (25) is arranged at the bottom of the frame (4);

the belt transmission mechanism (24) is vertically arranged, and the belt transmission mechanism (24) is arranged between an output shaft of the driving motor (25) and a hollow shaft (214) at the axial rear end of the rotary drum (21);

each straightening block (222) is provided with a first adjusting screw (224) and two first guide rods (225), the first adjusting screw (224) is arranged on the corresponding mounting block (221) in a penetrating manner and can slide back and forth along the radial direction of the rotary drum (21), and the two first guide rods (225) are respectively arranged on two sides of the first adjusting screw (224) and are arranged on the corresponding mounting block (221) in a penetrating manner;

the coarse straightening device (3) also comprises

The first limiting roller set (33) is arranged on the frame (4) and is positioned behind the second mounting frame (31), the first limiting roller set (33) comprises two first limiting rollers (331) which are vertically distributed at intervals to form a first gap (330), and each first limiting roller (331) is transversely arranged;

the second limiting roller set (34) is arranged on the frame (4) and is positioned behind the first limiting roller set (33), the second limiting roller set (34) comprises two second limiting rollers (341) which are distributed at intervals in the transverse direction to form a second gap (340), and each second limiting roller (341) is arranged in the vertical direction;

the two sides of the second installation frame (31) are respectively provided with a third sliding groove (311), each third sliding groove (311) is internally provided with a second sliding block (35), the two ends of a rotating shaft of the pressing roller (321) are respectively and rotatably connected to the corresponding second sliding blocks (35), and the two ends of the rotating shaft of the base roller (322) are respectively and rotatably arranged on the second installation frame (31); the top of the second installation frame (31) is provided with a second adjusting screw (36) capable of sliding up and down in a penetrating way, the upper end of the second adjusting screw (36) is provided with a rotary table (361), the lower end of the second adjusting screw (36) is provided with a pressing plate (362), two ends of the pressing plate (362) are respectively propped against the upper surface of a corresponding second sliding block (35), the second installation frame (31) is internally provided with a second tension spring (30), the pressing plate (362) always has a trend of moving upwards by the second tension spring (30), the top end of the second tension spring (30) is arranged below the top end of the second installation frame (31), and the bottom end of the second tension spring (30) is arranged at the top end of the pressing plate (362);

a corrugated first extrusion region (322 a) is formed on the peripheral wall of the base roller (322), a corrugated second extrusion region (321 a) is formed on the peripheral wall of the press roller (321), and the second extrusion region (321 a) corresponds to the first extrusion region (322 a).

2. The shaft straightening and cutting integrated machine according to claim 1, wherein the front part of the frame (4) is provided with a discharge hole (41), the first mounting frame (11) is further provided with a discharge chute (113), the discharge chute (113) is gradually arranged in a downward inclination mode from back to front, the rear end of the discharge chute (113) corresponds to the lower part of the output end of the second shaft channel (180), and the front end of the discharge chute (113) faces the discharge hole (41).

3. The shaft straightening and cutting integrated machine according to claim 1, characterized in that the frame (4) is further provided with a box body (6) positioned behind the coarse straightening device (3), a sponge block (61) is accommodated in the box body (6), a fourth shaft channel (610) extending forwards and backwards is arranged on the sponge block (61), and a notch (62) communicated with the fourth shaft channel (610) is formed in the front wall and the rear wall of the box body (6); the top of the box body (6) is provided with an opening (60), and the sponge block (61) can be placed in the box body (6) or taken out from the box body (6) through the opening (60).

4. A shaft straightening and cutting method of a shaft straightening and cutting integrated machine according to any one of claims 1 to 3, characterized by comprising the following steps in order:

firstly, extending the shaft from the rear end of the frame (4) forwards and passing through a third shaft channel (320), and performing short-distance extrusion rough straightening on the shaft (5) by the straightening roller set (32);

step two, the shaft (5) after the step one penetrates through the inner cavity (211), and the rotary drum (21) drives all groups of straightening components (22) to rotate, so that the arc-shaped grooves (223) on all the straightening blocks (222) perform long-distance rotation fine straightening on the shaft (5) in the first shaft channel;

step three, the shaft (5) after the step two enters a second shaft channel (180), the straightening roller set (32) pulls the shaft (5) to extend forwards to be propped against the first end (131) of the stop lever (13), and then the first sliding block (12) drives the cutter (18) to slide downwards, so that the part of the shaft (5) located in the second shaft channel (180) and the part located at the front side of the second shaft channel (180) are misplaced, and the shaft (5) is cut off.