CN114378219A

CN114378219A - Shaft straightening and cutting integrated machine and shaft straightening and cutting method

Info

Publication number: CN114378219A
Application number: CN202210001057.8A
Authority: CN
Inventors: 贝国生
Original assignee: Ningbo Wansheng Intelligent Technology Co ltd
Current assignee: Ningbo Wansheng Intelligent Technology Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-04-22
Anticipated expiration: 2042-01-04
Also published as: CN114378219B

Abstract

The invention relates to an axle straightening and cutting-off integrated machine which comprises a rack, wherein the rack is sequentially provided with a rough straightening device, a fine straightening device and a cutting-off device from back to front, and the cutting-off device comprises a first mounting frame which is hollow inside and provided with a first sliding groove; the first sliding block is arranged in the first sliding chute in a vertically sliding manner, 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 the trend of moving upwards; 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 oppositely; the first end of the stop lever always has the trend of swinging downwards by the third tension spring, so that the labor intensity of workers can be reduced, the production efficiency is high, and the fixed-length shaft cutting precision is high.

Description

Shaft straightening and cutting integrated machine and shaft straightening 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 wire is usually coiled into a disc shape before use, so that the space is saved, and the metal wire is convenient to transport and store. When the metal wire straightening device is used, the metal wire needs to be straightened, and then the straightened wire is cut into a short shaft with a certain length. Traditional wire rod is adding man-hour, and the alignment process is separately gone on with the process of cutting off, not only causes workman's working strength to increase, and production efficiency is low, moreover, the process of cutting off still needs manual fixed, and fixed effect is poor, leads to the axle fixed length to cut off the precision not high.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide a shaft straightening and cutting all-in-one machine which can reduce the labor intensity of workers and improve the production efficiency in view of the above technical situation.

The second technical problem to be solved by the present invention is to provide an integrated machine for straightening and cutting off a shaft, which has a better shaft straightening effect, in view of the above technical situation.

The third technical problem to be solved by the present invention is to provide an integrated shaft straightening and cutting machine with higher precision in cutting a shaft to a fixed length, aiming at the above technical situation.

The fourth technical problem to be solved by the present invention is to provide a shaft straightening and cutting method for the shaft straightening and cutting all-in-one machine, in view of the above technical situation.

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

the coarse straightening device comprises

The second mounting frame is arranged on the rack, and the second mounting frame is hollow;

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

The rotary drum is arranged on the rack in 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, the rotary drum 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, a shaft penetrates through the inner cavity along the axial direction of the rotary drum, and the first opening and the second opening are oppositely arranged on two sides of the rotary drum;

two rows of straightening structures which are distributed at intervals along the circumferential direction of the rotary drum, wherein each row of straightening structure comprises at least two groups of straightening assemblies distributed at intervals along the axial direction of the rotary drum, the straightening assemblies in the two rows of straightening structures are arranged in a staggered manner, each group of straightening assemblies comprises an installation block arranged on the rotary drum and a straightening block accommodated in the inner cavity, each installation block in one row of straightening structure is positioned at the first opening, each installation block in the other row of straightening structure is positioned at the second opening, each straightening block can be arranged on the inner side of the corresponding installation block in a reciprocating sliding manner along the radial direction of the rotary drum, and the inner side of each straightening block is provided with an arc-shaped groove, so that the arc-shaped grooves of the two rows of straightening structures form a first shaft channel together;

the cutting device comprises

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

the first sliding block is arranged in the first sliding groove in a vertically sliding mode, 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 located 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 the trend of moving upwards;

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 and the output end of the second shaft channel are spaced and oppositely arranged;

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

Because the material cutting action of the cutter is delayed and the shaft is always in a conveying state, in order to avoid the bending deformation of the shaft in the cutting and breaking process, the cutting device also comprises

The two supporting seats are arranged on the rack at intervals, a second guide rod is arranged on each supporting seat along the axial direction of the rotary drum, a second sliding groove is arranged on each of two sides of the bottom of the first mounting frame, and each second sliding groove is connected with the second guide rod on the corresponding side in a sliding manner, so that the first mounting frame can slide in a reciprocating manner along the axial direction of the rotary drum;

the first tension spring enables the first mounting frame to always have the tendency of moving backwards. When the axle moved forward to offset with the pin, the axle continues the antedisplacement and can drives pin and first installing frame and move forward in step, afterwards, the cutter accomplishes the action of cutting off, and first installing frame drives the pin rearward movement under the effect of first extension spring and resets, and this process can make first installing frame and pin cushion the antedisplacement of the in-process counter shaft that the axle cut off, avoids the axle to cut off disconnected in-process buckling deformation.

In order to facilitate the collection of the cut short shaft, a discharge hole is formed in the front of the rack, a discharge chute is further arranged on the first mounting frame and gradually inclines downwards from back to front, the rear end of the discharge chute corresponds to the lower portion of the output end of the second shaft channel, and the front end of the discharge chute faces towards the discharge hole.

Because the surface of the shaft can be adhered with a lot of dust, if the shaft which is not cleaned of the dust is straightened, the dust can be continuously accumulated in the shaft passage, so that the shaft and the straightening part can slide relatively to influence the straightening effect. In order to avoid the influence of dust on the straightening effect, a box body positioned behind the coarse straightening device is further arranged on the machine frame, a sponge block is accommodated in the box body, a fourth shaft passage extending forwards and backwards is arranged on the sponge block, and notches communicated with the fourth shaft passage are formed in the front wall and the rear wall of the box body; 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 of the box body through the opening.

In order to facilitate the installation and drive the rotary drum to rotate, the fine straightening device also comprises

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

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

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

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

In order to reduce the bending of the shaft before the shaft is roughly straightened, the rough straightening device also comprises

The first limiting roller set is arranged on the rack and is 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 rack and 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. Vertical through first spacing roller set counter shaft is spacing, and transversely carry on spacingly through the spacing roller set counter shaft of second, thereby adjust the crooked degree of axle before the coarse alignment, avoid the axle too crooked, can reduce the axle and to the reaction force that base roll and compression roller were applyed when the alignment of alignment roller set, make base roll and compression roller be difficult to warp, thereby ensure the alignment effect of alignment roller set, the life of extension base roll and compression roller, moreover, the alignment roller set draws the less axle speed of crooked degree faster, can accelerate the machining efficiency of axle alignment.

In order to facilitate the adjustment of the position of the compression roller, two sides of the second mounting frame are respectively provided with a third sliding chute, a second sliding block is accommodated in each third sliding chute, two ends of a rotating shaft of the compression roller are respectively and rotatably connected to the corresponding second sliding blocks, and two ends of a rotating shaft of the base roller are respectively and rotatably arranged on the second mounting frame; the top of second installing frame is worn to be equipped with the second adjusting screw that can slide from top to bottom, and this second adjusting screw's upper end is equipped with the carousel, second adjusting screw's lower extreme is equipped with the clamp plate, and the both ends of this clamp plate offset with the upper surface of the second slider that corresponds 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 rebound all the time.

In order to avoid the 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 sequentially comprising the following steps of:

the method comprises the following steps that firstly, the shaft from the rear end of the rack extends forwards and penetrates through a third shaft channel, and the straightening roller group 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 assemblies to rotate, so that the arc-shaped grooves on each straightening block perform long-distance rotating fine straightening on the shaft in the first shaft channel;

and step three, the shaft after the step two enters a second shaft channel, the straightening roller group pulls the shaft to extend forwards until the shaft abuts against the first end of the stop lever, and then the first sliding block drives the cutter to slide downwards, so that the part of the shaft located in the second shaft channel and the part of the shaft located on the front side of the second shaft channel are staggered, and the shaft is cut off.

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

1. the short-distance extrusion rough straightening is carried out on the shaft by arranging the rough straightening device, the whole bending degree of the shaft is reduced firstly for the unwound shaft, the long-distance rotation fine straightening is carried out on the shaft by the fine straightening device, the local part of the shaft is finely straightened, the rough straightening device and the fine straightening device are cooperated, the straightening effect of the shaft straightening and cutting integrated machine is better, if only the fine straightening device is adopted for straightening the shaft, the shaft with the overlarge bending degree can increase the load of the straightening block, the rotating resistance of the rotating drum is too large, the rotating speed is reduced, the straightening block is easy to wear, the straightening block is cut by the cutting device, the shaft is cut by the cutting device after the straightening, the cutting device has higher fixed-length cutting precision due to the higher straightness of the shaft, and the rough straightening device, the fine straightening device and the cutting device are integrated on the same equipment to realize the automatic straightening and cutting of the shaft, the labor intensity of workers can be reduced, the production efficiency of shaft processing is improved, the fixing effect of the shaft during cutting is better, and the fixed-length cutting precision of the shaft can be further improved;

2. the rough straightening device can adjust the size of the third channel by moving the compression roller up and down, so that the rough straightening device can perform rough 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 back and forth, so that the fine straightening device can perform fine calibration on the shafts with different diameters, and the shaft straightening and cutting integrated machine is higher in universality;

3. the cutting device carries on spacingly through the preceding degree of stretching of pin counter shaft, because the distance between the output of pin and secondary shaft passageway is fixed, the length that makes the axle preceding stretch is fixed, thereby further promote the precision that the axle fixed length cut off, moreover, the setting of pin can the counter shaft have certain constraint effect when the axle cuts off, the jumping volume is great when preventing that the axle from cutting off, thereby avoid the minor axis after cutting off to jump out the frame and accidentally injure the workman, can reduce the potential safety hazard, and the third extension spring can cushion the collision between pin and the axle when the axle preceding stretches to and the pin offsets, can avoid the axle to take place to buckle.

Drawings

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

FIG. 2 is a schematic view of the drum and alignment assembly of 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 straightening assembly in 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 the first slide block and the first sliding chute according to the embodiment of the present invention;

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

FIG. 8 is a rough alignment device in an embodiment of the present invention;

fig. 9 is a perspective view showing the structure of the case and the sponge block in the embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in FIGS. 1 to 9, the preferred embodiment of the present invention is shown.

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 rough straightening device 3, a fine straightening device 2, and a cutting device 1 in sequence from back to front. The inside of box body 6 has held sponge piece 61, and the top of box body 6 has uncovered 60, and sponge piece 61 can place in box body 6 or take out from box body 6 through uncovered 60. Be equipped with the fourth shaft passageway 610 that extends around on this sponge piece 61, the breach 62 (see fig. 9) that communicates with fourth shaft passageway 610 is all opened to the antetheca and the back wall of box body 6 to carry out the clearance of dust to axle 5 before axle 5 is straightened, in order to avoid the alignment effect of dust influence axle 5. This rough straightening device 3 carries out rough straightening to axle 5 earlier, and subsequently, fine straightening device 2 carries out fine straightening to axle 5, and finally, cutting device 1 carries out fixed length cutting to axle 5.

As shown in fig. 8, the rough straightening device 3 includes a second mounting frame 31, a straightening roller group 32, a first limit roller group 33, a second limit roller group 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, which are both arranged in the transverse direction, and taking the right-side view direction shown in fig. 1 as an example, the pressing roller 321 can rotate clockwise around its axis, and the base roller 322 can rotate counterclockwise around its axis, so that the tangential direction on the base roller 322 at a position close to the pressing roller 321 is forward, and the tangential direction on the pressing roller 321 at a position close to the base roller 322 is forward. The pressing roller 321 is positioned above the base roller 322, and the peripheral wall of the pressing roller 321 is provided with a corrugated second pressing region 321a, and the peripheral wall of the base roller 322 is provided with a corrugated first pressing region 322a, and the first pressing region 322a corresponds to the second pressing region 321a (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 on two sides of the second mounting frame 31, two sides of the second mounting frame 31 are respectively provided with a third sliding slot 311, each third sliding slot 311 is accommodated with a second sliding block 35, and two ends of the rotating shaft of the press roller 321 are respectively rotatably disposed on the second sliding blocks 35 on the corresponding sides, so that the press roller 321 can slide up and down relative to the base roller 322. The second adjusting screw 36 penetrates through the top wall of the second mounting frame 31 and can slide up and down, the rotary table 361 is arranged at the upper end of the second adjusting screw 36, the pressing plate 362 is arranged at the lower end of the second adjusting screw 36, and two ends of the pressing plate 362 are respectively abutted to the upper surfaces of the corresponding second sliding blocks 35, so that the vertical position of the pressing roller 321 can be positioned. 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 press 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 tends to move upward.

As shown in fig. 8, the first set of stop rollers 33 is located behind the set of leveling rollers 32, and the first set of stop rollers 33 includes two first stop rollers 331 vertically spaced apart to form a first gap 330, and each first stop roller 321 is disposed in the transverse direction to vertically stop the shaft 5. The second set of stop rollers 34 is located between the first set of stop rollers 33 and the box body 6 (see fig. 1), and the second set of stop rollers 34 includes two second stop rollers 341 distributed at intervals in the transverse direction to form a second gap 340, and each second stop roller 341 is vertically disposed so as to horizontally stop the shaft 5. This first spacing roller set 33 and the design of the spacing roller set 34 of second can retrain the axle 5 that gets into in third axle passageway 320, avoid getting into the axle 5 in the third axle passageway 320 too crooked to reduce the axle 5 and to straightening roller set 32's effort, not only can reduce straightening roller set 32's load, extension straightening roller set 32's life can also make axle 5 carry more smoothly forward.

The fine straightening apparatus 2 includes a drum 21, a straightening assembly 22, a base 23, a belt drive 24, and a drive 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 shaft 5 is inserted through the inner cavity 211 in the axial direction of the drum 21. The drum 21 is further opened 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 oppositely disposed at both sides of the drum 21 (see fig. 2). Alignment assemblies 22 are provided in multiple sets and are divided into a first column of alignment structures 22a and a second column of alignment structures 22b, where each of the first and second columns of

alignment structures

22a and 22b includes three sets of alignment assemblies 22, and the alignment assemblies 22 in the first column of alignment structures 22a and the alignment assemblies 22 in the second column of alignment structures 22b are distributed in a staggered manner (see fig. 3). Each set of alignment assemblies 22 includes a mounting block 221 mounted to barrel 21 and an alignment block 222 (see fig. 2) received in interior cavity 211, wherein each mounting block 221 in first alignment structure 22a is positioned at first opening 212 and each mounting block 221 in second alignment structure 22b is positioned at second opening 213 (see fig. 2); each straightening block 222 is slidably disposed inside the corresponding mounting block 221 in a reciprocating manner along the radial direction of the drum 21, and an arc-shaped groove 223 (see fig. 2 and 4) is formed on the inner side of each straightening block 222, so that the arc-shaped grooves 223 of the first row of straightening structures 22a and the second row of straightening structures 22b form a first axial passage together.

The two bases 23 are spaced apart from each other in the axial direction of the drum 21 (see fig. 1), a hollow shaft 214 is disposed at each end of the drum 21 (see fig. 2 and 3), the interior of each hollow shaft 214 is communicated with the inner cavity 211, and each hollow shaft 214 is inserted into the corresponding base 23, thereby facilitating the installation of the drum 21. The driving motor 25 is disposed at the bottom of the frame 4, the belt transmission 24 is disposed vertically, and the belt transmission 24 is disposed between the 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 driving of the rotation of the drum 21.

As shown in fig. 4, each straightening block 222 is provided with a first adjusting screw 224, and the first adjusting screw 224 is inserted into the corresponding mounting block 221 and can slide back and forth along the radial direction of the drum 21. Each straightening block 222 is further provided with two first guide rods 225 respectively located at 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 includes a first mounting frame 11, a first slider 12, a stopper 13, a driving mechanism 14, a pressure spring 15, a support base 16, and a first tension spring 17 (see fig. 5). The first mounting frame 11 is disposed on the frame 4 and located in front of the drum 21 (see fig. 1), the first mounting frame 11 is hollow, a U-shaped block 111 is disposed inside the first mounting frame 11, two ends of the U-shaped block 111 are respectively provided with a pressing block 112, and the U-shaped block 111 and the two pressing blocks 112 together form a first sliding slot 110 (see fig. 6). The first slide block 12 is slidably disposed in the first sliding groove 110 up and down, and the cutting knife 18 is embedded in the first slide block 12, a second shaft passage 180 (see fig. 7) is disposed in the cutting knife 18, and an axis of the second shaft passage 180 is aligned with an axis of the rotating drum 21. 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 oppositely (see fig. 1), because 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 controlled mechanically through the pin 13, the fixed length cutting precision of the shaft 5 can be higher, furthermore, the pin 13 can play a certain constraint role 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, thereby avoiding the phenomenon that the cut short shaft jumps out of the rack 4 to injure workers by mistake, and reducing the potential safety hazard. The driving mechanism 14 is a hydraulic cylinder disposed on 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 arranged at the bottom of the first slider 12, so that the first slider 12 always has a tendency to move upwards (see fig. 5 and 7).

Two support bases 16 are provided on the frame 4 at intervals, and each support base 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 chute 114 (see fig. 7), and each second sliding chute 114 is slidably connected with the corresponding second guiding rod 16 so that the first mounting frame 11 can slide back and forth along the axial direction of the rotary drum 21. First extension spring 17 has two, and interval distribution in the bottom both sides of first installing frame 11 (see fig. 5), and each first extension spring 17 makes first installing frame 11 have the trend of moving backward all the time to can pull first installing frame 11 after first installing frame 11 moves forward along with pin 13 and make it reset.

As shown in fig. 1, the front portion of the frame 4 is provided with a discharge port 41, the first mounting frame 11 is further provided with a discharge chute 113, the discharge chute 113 is arranged to be inclined downward from back to front, the rear end of the discharge chute 113 corresponds to the lower portion of the output end of the second shaft passage 180, and the front end of the discharge chute 113 faces the discharge port 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 enters the fourth shaft passage 610 from the rear end of the frame 4, so that the sponge block 61 cleans dust on the surface of the shaft 5;

subsequently, the shaft enters the rough straightening device 3, the shaft 5 passes through the second gap 340 and the first gap 330 in sequence and enters the third shaft passage 320, the pressing roller 321 and the base roller 322 in the straightening roller group 32 perform short-distance extrusion rough straightening on the shaft, and the shaft 5 is conveyed to the fine straightening device 2.

After the shaft 5 enters the rotating drum 21 of the fine straightening device 2, each straightening block 22 rotates synchronously with the rotating drum 21 along with the rotation of the rotating drum 21, so that the arc-shaped groove 223 on each straightening block 222 performs long-distance rotation fine straightening on the shaft 5 in the first shaft passage, 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 through 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 drive the first mounting frame 11 to synchronously move forward, then, the piston rod of the hydraulic cylinder presses the first slider 12 downwards, so that the first slider 12 drives the cutter 18 inside the first slider 12 to move downwards, thereby cutting the shaft 5, finally, the first mounting frame 11 drives the stop lever 13 to synchronously move backwards under the action of the first tension spring 17 to reset, and then, the cutting device 1 repeats the cutting action.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the invention, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims

1. An axle straightening and cutting integrated machine is characterized by comprising a frame (4), wherein the frame (4) is sequentially provided with a rough 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 interior of the second mounting frame (31) is hollow;

the straightening roller group (32) comprises a base roller (322) and a pressing roller (321) which are arranged inside the second mounting frame (31) in a transverse direction in a rotatable mode, the turning direction of the base roller (322) is opposite to that of the pressing roller (321), the pressing roller (321) is located above the base roller (322) and can move up and down relative to the base roller (322), and a third shaft channel (320) is formed between the base roller (322) and the pressing roller (321);

the fine straightening device (2) comprises

The rotary drum (21) is arranged on the rack (4) in the front-back direction and can rotate around the axis of the rotary drum (21), 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), and a first opening (212) and a second opening (213) which are communicated with the inner cavity (211), the inner cavity (211) is used for a shaft (5) to penetrate through along the axial direction of the rotary drum (21), and the first opening (212) and the second opening (213) are oppositely arranged on two sides of the rotary drum (21);

two rows of straightening structures which are distributed at intervals along the circumferential direction of the rotary drum (21), each row of straightening structures comprises at least two groups of straightening assemblies (22) which are distributed at intervals along the axial direction of the rotary drum (21), and the straightening assemblies (22) in the two rows of straightening structures are arranged in a staggered way, each group of straightening assemblies (22) comprises a mounting block (221) arranged on the rotary drum (21) and a straightening block (222) accommodated in the inner cavity (211), wherein each mounting block (221) in one alignment structure is positioned at the first opening (212), each mounting block (221) in the other alignment structure is positioned at the second opening (213), each alignment block (222) can be arranged on the inner side of the corresponding mounting block (221) in a reciprocating sliding manner along the radial direction of the rotary drum (21), the inner side of each straightening block (222) is provided with an arc-shaped groove (223), so that the arc-shaped grooves (223) of the two rows of straightening structures form a first shaft channel together;

the cutting device (1) comprises

The first mounting frame (11) is arranged on the rack (4) and positioned in front of the rotary drum (21), and the first mounting frame (11) is hollow and provided with a first sliding groove (110);

the first sliding block (12) is arranged in the first sliding groove (110) in a vertically sliding mode, 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 located on the same straight line;

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

the compression spring (15) enables the first sliding block (12) to always have the trend of moving upwards;

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 a first end (131) of the stop lever (13) is spaced from the output end of the second shaft channel (180) and is arranged oppositely;

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

2. Shaft straightening and cutting integrated machine according to claim 1, characterized in that the cutting device (1) further comprises

The two supporting seats (16) are arranged on the rack (4) at intervals, a second guide rod (161) is arranged on each supporting seat (16) along the axial direction of the rotary drum (21), two sides of the bottom of the first mounting frame (11) are respectively provided with a second sliding chute (114), and each second sliding chute (114) is in sliding connection with the second guide rod (161) on the corresponding side so that the first mounting frame (11) can slide in a reciprocating manner along the axial direction of the rotary drum (21);

and the first tension spring (17) enables the first mounting frame (11) to always have the tendency of moving backwards.

3. The shaft straightening and cutting all-in-one machine according to claim 1, wherein a discharge hole (41) is formed in the front of the rack (4), a discharge chute (113) is further formed in the first mounting frame (11), the discharge chute (113) is gradually and obliquely arranged from back to front, the rear end of the discharge chute (113) corresponds to the lower portion of the output end of the second shaft passage (180), and the front end of the discharge chute (113) faces the discharge hole (41).

4. The shaft straightening and cutting integrated machine according to claim 1, wherein a box body (6) is further arranged on the machine frame (1) and located behind the rough straightening device (3), a sponge block (61) is accommodated in the box body (6), a fourth shaft passage (610) extending forwards and backwards is arranged on the sponge block (61), and notches (62) communicated with the fourth shaft passage (610) are 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 of the box body (6) through the opening (60).

5. Shaft straightening and cutting all-in-one machine according to claim 1, characterized in that 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 hollow shafts (214) are respectively arranged at two ends of the rotary 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;

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

and 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) positioned at the axial rear end of the rotary drum (21).

6. The shaft straightening and cutting all-in-one machine according to claim 1, wherein 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 in a reciprocating manner 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.

7. Shaft straightening and cutting integrated machine according to claim 1, characterized in that the rough straightening device (3) further comprises

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

the second limiting roller set (34) is arranged on the rack (4) and behind the first limiting roller set (33), the second limiting roller set (34) comprises two second limiting rollers (341) which are distributed at intervals along the transverse direction to form a second gap (340), and each second limiting roller (341) is vertically arranged.

8. The shaft straightening and cutting integrated machine according to claim 1, wherein a third sliding groove (311) is respectively formed in each of two sides of the second mounting frame (31), a second sliding block (35) is accommodated in each third sliding groove (311), two ends of a rotating shaft of the pressing roller (321) are respectively rotatably connected to the corresponding second sliding blocks (35), and two ends of a rotating shaft of the base roller (322) are respectively rotatably arranged on the second mounting frame (31); second adjusting screw (36) that can slide from top to bottom are worn to be equipped with at the top of second installing frame (31), and the upper end of this second adjusting screw (36) is equipped with carousel (361), the lower extreme of second adjusting screw (36) is equipped with clamp plate (362), and the both ends of this clamp plate (362) offset with the upper surface of the second slider (35) that corresponds respectively, just the inside of second installing frame (31) still is equipped with second extension spring (30), and this second extension spring (30) make clamp plate (362) have the trend of rebound all the time.

9. The integrated shaft straightening and cutting machine according to claim 1, wherein a corrugated first extrusion area (322a) is formed on the peripheral wall of the base roller (322), a corrugated second extrusion area (321a) is formed on the peripheral wall of the press roller (321), and the second extrusion area (321a) corresponds to the first extrusion area (322 a).

10. The shaft straightening and cutting method of the shaft straightening and cutting all-in-one machine as claimed in any one of claims 1 to 9, characterized by comprising the following steps in sequence:

firstly, the shaft from the rear end of the rack (4) extends forwards and penetrates through a third shaft channel (320), and the straightening roller group (32) performs short-distance extrusion rough straightening on a shaft (5);

step two, the shaft (5) after the step one penetrates through the inner cavity (211), the rotating drum (21) drives each group of straightening assemblies (22) to rotate, and the arc-shaped grooves (223) on each straightening block (222) perform long-distance rotating fine straightening on the shaft (5) in the first shaft channel;

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