CN214022713U - Rotary puller of straightening machine and straightening machine - Google Patents
Rotary puller of straightening machine and straightening machine Download PDFInfo
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- CN214022713U CN214022713U CN202021721009.9U CN202021721009U CN214022713U CN 214022713 U CN214022713 U CN 214022713U CN 202021721009 U CN202021721009 U CN 202021721009U CN 214022713 U CN214022713 U CN 214022713U
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Abstract
The utility model relates to a rotary puller of a straightening machine, which comprises a straightening seat, wherein one end of the straightening seat is provided with a feed chute; the clamping blocks are slidably arranged on the straightening seat and symmetrically and obliquely arranged on two sides of the feeding groove; two clamping hydraulic cylinders are arranged and fixed on the straightening seat, and piston rods of the clamping hydraulic cylinders are connected with the clamping blocks; the connecting seat is fixed at the other end of the straightening seat; one end of the rotating shaft is fixed on the connecting seat; the rotating shaft is rotatably arranged on the rotating seat; the rotating gear is fixed on the connecting seat or the rotating shaft; the driving gear is meshed with the rotating gear; the rotating motor is fixed on the rotating seat and is connected with the driving gear; the rotating seat is fixed at one end of the straightening connecting frame, and the straightening connecting frame is slidably mounted on the straightening guide rail. The rotary pull head of the straightening machine is suitable for straightening and distortion correction of large aluminum profiles, is convenient to use, can automatically feed and position, and is high in working efficiency.
Description
Technical Field
The utility model relates to an aluminium alloy processing equipment, especially the rotatory pull head of drawing-in machine and drawing-in machine.
Background
The aluminum profile needs to be straightened after extrusion forming, and the straightness and flatness of the aluminum profile can meet the design requirements through straightening.
Due to the stress of the aluminum profile, the aluminum profile has the problems that the straightness needs to be corrected and the aluminum profile is distorted, but the pull head of the existing straightening machine can only correct the straightness and the flatness, but cannot correct the distortion, and needs another process for correction.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a can rectify the straightness accuracy, also can carry out the rotatory pull head of drawing-in machine that rectifies to the distortion simultaneously, concrete technical scheme is:
the rotary pull head of the straightening machine comprises a straightening seat, wherein a feeding groove is formed in one end of the straightening seat; the clamping blocks are slidably mounted on the straightening seat, symmetrically and obliquely arranged on two sides of the feeding groove and used for clamping the aluminum profile; two clamping hydraulic cylinders are arranged and fixed on the straightening seat, and piston rods of the clamping hydraulic cylinders are connected with the clamping blocks; the connecting seat is fixed at the other end of the straightening seat; one end of the rotating shaft is fixed on the connecting seat; the rotating shaft is rotatably arranged on the rotating seat; the rotating gear is fixed on the connecting seat or the rotating shaft; a drive gear engaged with the rotation gear; the rotating motor is fixed on the rotating seat and is connected with the driving gear; the straightening connecting frame is characterized in that the rotating seat is fixed at one end of the straightening connecting frame, and the straightening connecting frame is slidably mounted on the straightening guide rail.
Through adopting above-mentioned technical scheme, the seat of flare-outing rotates to be installed on the link of flare-outing to be equipped with drive arrangement, consequently can rotate the seat of flare-outing after pressing from both sides tight aluminium alloy, thereby rectify the distortion of aluminium alloy.
The driving gear with less teeth drives the rotating gear with more teeth, so that low speed and large torque are realized, and the correction quality can be ensured.
The aluminum profile is clamped through the hydraulic cylinder, so that clamping force can be guaranteed, and the aluminum profile is prevented from being separated from the clamping block when straightening is started. The clamp blocks are obliquely arranged and can be self-locked along with the increase of tension, namely, the clamping force is automatically increased, the aluminum profile is further clamped, and the aluminum profile is effectively prevented from falling off in the straightening process.
Furthermore, a rotating fixing groove is formed in the rotating gear, and one end of the connecting seat is fixed in the rotating fixing groove.
Through adopting above-mentioned technical scheme, rotate the fixed slot and can guarantee the reliable connection of running gear and connecting seat, prevent to take place relative rotation.
Further, the device also comprises a joint bearing, wherein the joint bearing is fixed on the rotating seat and is connected with the rotating shaft; the fixing ring is fixed at the other end of the rotating shaft; the thrust ball bearing is inserted on the rotating shaft and is positioned between the rotating seat and the fixing ring.
By adopting the technical scheme, the joint bearing has the advantages of large load capacity, impact resistance, corrosion resistance, wear resistance, self-aligning, good lubrication and the like, and can bear larger load.
Further, the rotation motor includes a hydraulic motor or an electric motor.
Furthermore, the device also comprises a front sliding seat; the top of the rotating bracket is provided with an arc-shaped rotating groove, the two ends of the rotating bracket are provided with front sliding seats, and the front sliding seats are slidably arranged on the straightening guide rail; a plurality of rotating wheels are arranged, and the rotating wheels are fixed at the top of the rotating bracket and are arranged along the rotating groove; a rear sliding seat; the sliding bracket is fixed on the straightening connecting frame, rear sliding seats are arranged at two ends of the sliding bracket, and the rear sliding seats are slidably arranged on the straightening guide rail; one end of the sliding connecting plate is fixed on the front sliding seat, and the other end of the sliding connecting plate is fixed on the rear sliding seat; the rotary sliding block is fixed at the bottom of the straightening seat, a rotary arc surface is arranged on the rotary sliding block and is in contact with the rotary wheel, and the rotary wheel is used for supporting the rotary sliding block.
Through adopting above-mentioned technical scheme, rotate slider and sliding bracket and increase the support to the seat of flare-outing, reduce the influence of the gravity of the seat of flare-outing to the axis of rotation, guarantee the precision of flare-outing and distortion correction.
The device further comprises a clamping seat, wherein the clamping seat is fixed on the straightening seat and symmetrically positioned on two sides of the feeding groove, the clamping seat is obliquely arranged, and a dovetail groove is formed in the clamping seat; the clamping sliding seat is provided with a dovetail sliding block, the dovetail sliding block is inserted into the dovetail groove in a sliding mode, the clamping block is fixed on the clamping sliding seat, and the clamping hydraulic cylinder is connected with the clamping sliding seat.
Through adopting above-mentioned technical scheme, adopt to press from both sides tight seat and press from both sides tight sliding seat and make simple structure, convenient processing.
Furthermore, the clamping device further comprises a butterfly spring, wherein the butterfly spring is sleeved at the tail end of the piston rod of the clamping hydraulic cylinder and is positioned between the piston rod of the clamping hydraulic cylinder and the clamping sliding seat.
Through adopting above-mentioned technical scheme, belleville spring can cushion, the shock attenuation, the protection pneumatic cylinder.
The feeding device comprises a feeding fixing plate, the feeding fixing plate is mounted at one end of the straightening seat and is positioned below the feeding groove; the feeding frame is slidably mounted on the feeding fixing plate; the driven chain wheel is rotatably arranged at one end of the feeding frame; the driving chain wheel is rotatably arranged at the other end of the feeding frame; the feeding motor is fixed at the other end of the feeding frame and is connected with the driving chain wheel; the feeding chain is sleeved on the driving chain wheel and the driven chain wheel; and the lifting hydraulic cylinder is fixed on the feeding fixing plate, is connected with the feeding frame and is used for lifting the feeding frame along the vertical direction.
By adopting the technical scheme, the aluminum profile is automatically moved through the chain, and particularly, the aluminum profile is conveniently moved in place when large-scale aluminum profiles are fed.
Further, the feeding motor is a hydraulic motor or an electric motor.
The positioning device comprises a positioning seat, and the positioning seat is fixed at one end of the straightening seat and is positioned above the feeding groove; the positioning sliding plate is slidably arranged on the positioning seat; the positioning plate is rotatably arranged on the positioning sliding plate and used for positioning the position of the aluminum section; the positioning hydraulic cylinder is rotatably arranged on the positioning sliding plate, and a piston rod of the positioning hydraulic cylinder is rotatably connected with the positioning plate; the speed reducing motor is fixed at one end of the positioning seat; one end of the ball screw is connected with the speed reducing motor; and the screw rod nut is fixed on the positioning sliding plate and is movably connected with the ball screw.
Through adopting above-mentioned technical scheme, positioner fixes a position the aluminium alloy to can adjust the position of locating plate according to the aluminium alloy of different specifications.
A straightening machine comprises a rotating pull head of the straightening machine; the straightening connecting frame is arranged on the straightening guide rail in a sliding manner; the straightening hydraulic cylinders are fixed on the straightening guide rails and are positioned on two sides of the straightening connecting frame; the straightening connecting rod is fixed at the other end of the straightening connecting frame; the straightening rotating sleeve is rotatably installed at two ends of the straightening connecting rod and connected with the straightening hydraulic cylinder.
The tail bracket is arranged at the bottom of the other end of the straightening connecting frame, tail sliding seats are arranged at two ends of the tail bracket, and the tail sliding seats are slidably arranged on the straightening guide rail.
Wear-resisting sliding plates are arranged between the front sliding seat, the rear sliding seat, the tail sliding seat and the straightening guide rail.
Compared with the prior art the utility model discloses following beneficial effect has:
the utility model provides a rotatory pull head of drawing-in machine is suitable for the correction of the drawing-in and distortion of large-scale aluminium alloy, convenient to use to can automatic feeding and automatic positioning, work efficiency is high.
Drawings
FIG. 1 is a schematic view of the structure of a rotating slider of a straightener;
FIG. 2 is a schematic structural view of a straightening seat;
FIG. 3 is a schematic view of a hidden partially straightened seat;
FIG. 4 is a schematic view of the assembled structure of the clamping hydraulic cylinder, the clamping seat, the clamping sliding seat and the clamping block;
FIG. 5 is a front view of the straightener rotating slider;
FIG. 6 is a schematic view showing an assembly structure of the connecting base, the rotating shaft, the rotating base, the rotating gear, the driving gear and the rotating motor;
FIG. 7 is a cross-sectional view of FIG. 6;
FIG. 8 is a schematic view of the structure of the rotary gear;
FIG. 9 is a schematic view showing an assembled structure of the pivoting bracket and the pivoting wheel;
FIG. 10 is a schematic view of the feed apparatus;
FIG. 11 is a schematic view of the positioning device;
fig. 12 is a schematic view of the structure of the straightening machine.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
Example one
As shown in fig. 1 to 11, the rotating slider of the straightening machine comprises a straightening seat 11, wherein a feed chute 111 is arranged at one end of the straightening seat 11; the clamping blocks 17 are slidably mounted on the straightening seat 11, symmetrically and obliquely arranged on two sides of the feeding groove 111 and used for clamping the aluminum profile; two clamping hydraulic cylinders 14 are arranged and fixed on the straightening seat 11, and piston rods of the clamping hydraulic cylinders 14 are connected with the clamping blocks 17; the connecting seat 26, the connecting seat 26 is fixed on another end of the straightening seat 11; one end of the rotating shaft 23 is fixed on the connecting seat 26; the rotating seat 21 is provided with a rotating shaft 23 which is rotatably arranged on the rotating seat 21; the rotating gear 27, the rotating gear 27 is fixed on the connecting seat 26 or the rotating shaft 23; a drive gear 28, the drive gear 28 meshing with the rotary gear 27; a rotating motor 29, wherein the rotating motor 29 is fixed on the rotating seat 21 and is connected with the driving gear 28; the straightening connecting frame 46, the rotating seat 21 is fixed at one end of the straightening connecting frame 46, and the straightening connecting frame 46 is slidably mounted on the straightening guide rail 48.
The straightening bench 11 is rotatably mounted on the straightening connection frame 46 and is provided with a driving device so that the straightening bench 11 can be rotated after clamping the aluminum profile to correct the distortion of the aluminum profile.
The drive gear 28 with less teeth drives the rotating gear 27 with more teeth, so that low speed and large torque are realized, and the correction quality can be ensured.
Through the tight aluminium alloy of pneumatic cylinder clamp, can guarantee the clamp force, prevent that the aluminium alloy breaks away from and presss from both sides tight piece 17 when flare-outing begins. The clamp blocks are obliquely arranged and can be self-locked along with the increase of tension, namely, the clamping force is automatically increased, the aluminum profile is further clamped, and the aluminum profile is effectively prevented from falling off in the straightening process.
The clamping hydraulic cylinder 14 is fixed on the cylinder base 13, and the cylinder base 13 is fixed on the straightening base 11.
The clamping block 17 is provided with clamping teeth 171, and the clamping teeth 171 can be inserted into the aluminum profile, so that the aluminum profile is effectively prevented from falling off in the straightening process.
A rotation fixing groove 271 is formed on the rotation gear 27, and one end of the connecting seat 26 is fixed in the rotation fixing groove 271. The rotation fixing groove 271 can ensure the reliable connection of the rotation gear 27 and the connection seat 26 to prevent the relative rotation.
The device also comprises a joint bearing 22, wherein the joint bearing 22 is fixed on the rotating seat 21 and is connected with the rotating shaft 23; a fixing ring 25, the fixing ring 25 being fixed to the other end of the rotating shaft 23; and a thrust ball bearing 24, wherein the thrust ball bearing 24 is inserted on the rotating shaft 23 and is positioned between the rotating seat 21 and the fixed ring 25.
The spherical plain bearing 22 has the advantages of large load capacity, impact resistance, corrosion resistance, wear resistance, self-aligning, good lubrication and the like, and can bear large load.
The rotation motor 29 includes a hydraulic motor or an electric motor.
Also included is a front slide mount 431; the top of the rotating bracket 41 is provided with an arc-shaped rotating groove, the two ends of the rotating bracket 41 are provided with front sliding seats 431, and the front sliding seats 431 are slidably arranged on the straightening guide rail 48; a plurality of rotating wheels 42, wherein the rotating wheels 42 are fixed on the top of the rotating bracket 41 and arranged along the rotating groove; a rear slider seat 432; the sliding bracket 45 is fixed on the straightening connecting frame 46, the two ends of the sliding bracket 45 are respectively provided with a rear sliding seat 432, and the rear sliding seats 432 are slidably arranged on the straightening guide rail 48; one end of the sliding connecting plate 433 is fixed on the front sliding seat 431, and the other end of the sliding connecting plate 433 is fixed on the rear sliding seat 432; the rotating sliding block 19 is fixed at the bottom of the straightening seat 11, a rotating arc surface is arranged on the rotating sliding block 19 and is in contact with the rotating wheel 42, and the rotating wheel 42 is used for supporting the rotating sliding block 19.
The rotating slide block 19 and the sliding bracket 45 increase the support for the straightening seat 11, reduce the influence of the gravity of the straightening seat 11 on the rotating shaft 23, and ensure the straightening and distortion correction precision.
The device also comprises a clamping seat 12, wherein the clamping seat 12 is fixed on the straightening seat 11 and symmetrically positioned at two sides of the feeding groove 111, the clamping seat 12 is obliquely arranged, and a dovetail groove 121 is arranged on the clamping seat 12; the clamping sliding seat 16 is provided with a dovetail slide block 161, the dovetail slide block 161 is inserted in the dovetail groove 121 in a sliding manner, the clamping block 17 is fixed on the clamping sliding seat 16, and the clamping hydraulic cylinder 14 is connected with the clamping sliding seat 16.
The clamping seat 12 and the clamping sliding seat 16 are adopted, so that the structure is simple and the processing is convenient.
The clamping device further comprises a butterfly spring 15, wherein the butterfly spring 15 is sleeved at the tail end of the piston rod of the clamping hydraulic cylinder 14 and is positioned between the piston rod of the clamping hydraulic cylinder 14 and the clamping sliding seat 16. The belleville spring 15 can absorb shock and damp.
Example two
On the basis of the first embodiment, as shown in fig. 10, the feeding device further includes a feeding fixing plate 572, and the feeding fixing plate 572 is installed at one end of the straightening seat 11 and is located below the feeding chute 111; the feeding frame 591 is arranged on the feeding fixing plate 572 in a sliding manner through a linear guide rail pair; a driven sprocket 564, the driven sprocket 564 is rotatably mounted at one end of the feeding frame 591; the driving chain wheel 562 is rotatably arranged at the other end of the feeding frame 591; the feeding motor 561 is fixed at the other end of the feeding frame 591 and is connected with the driving chain wheel 562; the feeding chain 563 and the feeding chain 563 are sleeved on the driving chain wheel 562 and the driven chain wheel 564; and the lifting hydraulic cylinder 581 is fixed on the feeding fixing plate 572, is connected with the feeding frame 591 and is used for lifting the feeding frame 591 along the vertical direction.
The aluminum profile is automatically moved through the chain, and particularly, when a large aluminum profile is fed, the aluminum profile is conveniently moved in place.
The lifting frame 582 is arranged on the feeding frame 591, the lifting frame 582 is U-shaped, and the feeding frame 591 is clamped on the lifting frame 582. The lifting plate 571 is symmetrically arranged at the bottom of the feeding frame 591, a chain groove is formed in the top of the lifting plate 571, and the feeding chain 563 penetrates through the chain groove. The lifting plates 571 are symmetrically located at both sides of the lifting hydraulic cylinder 581. The lifting plate 571 is slidably mounted on the feeding fixing plate 572 through a pair of linear guide rails.
The feeding frame 591 is provided with a material supporting plate 592 at the top, the feeding chain 563 is slidably arranged on the material supporting plate 592, and the material supporting plate 592 is used for supporting the feeding chain 563.
The feed motor 561 is a hydraulic motor or an electric motor.
As shown in fig. 11, the device further comprises a positioning device, the positioning device comprises a positioning seat 511, and the positioning seat 511 is fixed at one end of the straightening seat 11 and is located above the feeding chute 111; a positioning sliding plate 512, wherein the positioning sliding plate 512 is slidably mounted on the positioning seat 511 through a linear guide pair; the positioning plate 52 is rotatably arranged on the positioning sliding plate 512 and is used for positioning the aluminum profile; a positioning hydraulic cylinder 53, wherein the positioning hydraulic cylinder 53 is rotatably mounted on the positioning sliding plate 512, and a piston rod of the positioning hydraulic cylinder 53 is rotatably connected with the positioning plate 52; the speed reducing motor 55, the speed reducing motor 55 is fixed on one end of the positioning seat 511; a ball screw 54, one end of the ball screw 54 is connected with a speed reducing motor 55; and the screw nut is fixed on the positioning sliding plate 512 and is movably connected with the ball screw 54.
The positioning device positions the aluminum profiles, and the positions of the positioning plates 52 can be adjusted according to the aluminum profiles of different specifications.
EXAMPLE III
As shown in fig. 12, a straightening machine includes a straightening machine rotating slider; the straightening connecting frame 46 is arranged on the straightening guide rail 48 in a sliding mode; the straightening hydraulic cylinders 47 are fixed on the straightening guide rails 48 and are positioned on two sides of the straightening connecting frame 46; a straightening connecting rod 491, the straightening connecting rod 491 is fixed at the other end of the straightening connecting frame 46; the straightening rotating sleeve 492 is rotatably installed at two ends of the straightening connecting rod 491 and is connected with a piston rod of the straightening hydraulic cylinder 47.
The bottom of the other end of the straightening connecting frame 46 is provided with a tail bracket 441, both ends of the tail bracket 441 are provided with tail sliding seats 442, and the tail sliding seats 442 are slidably mounted on the straightening guide rails 48.
The sliding of the straightening seat 11 and the straightening connecting frame 46 is realized through the front sliding seat 431, the rear sliding seat 432 and the tail sliding seat 442, and the sliding structure is stable. The straightening hydraulic cylinder 47 is responsible for straightening.
The straightening rotating sleeve 492 can rotate, the straightening hydraulic cylinder 47 is prevented from bearing radial force due to rigid connection, and the stability and the service life of the straightening hydraulic cylinder 47 are improved.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the claims of the present invention.
Claims (10)
1. The rotating pull head of the straightening machine is characterized by comprising
One end of the straightening seat is provided with a feeding groove;
the clamping blocks are slidably mounted on the straightening seat, symmetrically and obliquely arranged on two sides of the feeding groove and used for clamping the aluminum profile;
two clamping hydraulic cylinders are arranged and fixed on the straightening seat, and piston rods of the clamping hydraulic cylinders are connected with the clamping blocks;
the connecting seat is fixed at the other end of the straightening seat;
one end of the rotating shaft is fixed on the connecting seat;
the rotating shaft is rotatably arranged on the rotating seat;
the rotating gear is fixed on the connecting seat or the rotating shaft;
a drive gear engaged with the rotation gear;
the rotating motor is fixed on the rotating seat and is connected with the driving gear;
the straightening connecting frame is characterized in that the rotating seat is fixed at one end of the straightening connecting frame, and the straightening connecting frame is slidably mounted on the straightening guide rail.
2. The straightener rotating slider according to claim 1, wherein a rotation fixing groove is provided on the rotation gear, and one end of the connecting seat is fixed in the rotation fixing groove.
3. The straightener rotating slider of claim 1, further comprising
The joint bearing is fixed on the rotating seat and is connected with the rotating shaft;
the fixing ring is fixed at the other end of the rotating shaft;
the thrust ball bearing is inserted on the rotating shaft and is positioned between the rotating seat and the fixing ring.
4. The straightener rotating slider according to claim 1, characterized in that the turning motor comprises a hydraulic motor or an electric motor.
5. The straightener rotating slider of claim 1, further comprising
A front sliding seat;
the top of the rotating bracket is provided with an arc-shaped rotating groove, the two ends of the rotating bracket are provided with front sliding seats, and the front sliding seats are slidably arranged on the straightening guide rail;
a plurality of rotating wheels are arranged, and the rotating wheels are fixed at the top of the rotating bracket and are arranged along the rotating groove;
a rear sliding seat;
the sliding bracket is fixed on the straightening connecting frame, rear sliding seats are arranged at two ends of the sliding bracket, and the rear sliding seats are slidably arranged on the straightening guide rail;
one end of the sliding connecting plate is fixed on the front sliding seat, and the other end of the sliding connecting plate is fixed on the rear sliding seat;
the rotary sliding block is fixed at the bottom of the straightening seat, a rotary arc surface is arranged on the rotary sliding block and is in contact with the rotary wheel, and the rotary wheel is used for supporting the rotary sliding block.
6. The straightener rotating slider of claim 1, further comprising
The clamping seats are fixed on the straightening seat and symmetrically positioned on two sides of the feeding groove, the clamping seats are obliquely arranged, and dovetail grooves are formed in the clamping seats;
the clamping sliding seat is provided with a dovetail sliding block, the dovetail sliding block is inserted into the dovetail groove in a sliding mode, the clamping block is fixed on the clamping sliding seat, and the clamping hydraulic cylinder is connected with the clamping sliding seat.
7. The straightener rotating slider according to claim 6, further comprising a belleville spring fitted over the end of the piston rod of the clamping cylinder between the piston rod of the clamping cylinder and the clamping shoe.
8. The straightener rotating puller of claim 1, further comprising a feeding device comprising
The feeding fixing plate is mounted to one end of the straightening seat and is positioned below the feeding groove;
the feeding frame is slidably mounted on the feeding fixing plate;
the driven chain wheel is rotatably arranged at one end of the feeding frame;
the driving chain wheel is rotatably arranged at the other end of the feeding frame;
the feeding motor is fixed at the other end of the feeding frame and is connected with the driving chain wheel;
the feeding chain is sleeved on the driving chain wheel and the driven chain wheel;
and the lifting hydraulic cylinder is fixed on the feeding fixing plate, is connected with the feeding frame and is used for lifting the feeding frame along the vertical direction.
9. The straightener rotating slider according to claim 8,
also comprises a positioning device which comprises
The positioning seat is fixed at one end of the straightening seat and is positioned above the feeding groove;
the positioning sliding plate is slidably arranged on the positioning seat;
the positioning plate is rotatably arranged on the positioning sliding plate and used for positioning the position of the aluminum section;
the positioning hydraulic cylinder is rotatably arranged on the positioning sliding plate, and a piston rod of the positioning hydraulic cylinder is rotatably connected with the positioning plate;
the speed reducing motor is fixed at one end of the positioning seat;
one end of the ball screw is connected with the speed reducing motor;
and the screw rod nut is fixed on the positioning sliding plate and is movably connected with the ball screw.
10. A straightening machine is characterized by comprising
The straightener rotating slider of any one of claims 1 to 9;
the straightening connecting frame is arranged on the straightening guide rail in a sliding manner;
the straightening hydraulic cylinders are fixed on the straightening guide rails and are positioned on two sides of the straightening connecting frame;
the straightening connecting rod is fixed at the other end of the straightening connecting frame;
the straightening rotating sleeve is rotatably installed at two ends of the straightening connecting rod and connected with the straightening hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021721009.9U CN214022713U (en) | 2020-08-17 | 2020-08-17 | Rotary puller of straightening machine and straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021721009.9U CN214022713U (en) | 2020-08-17 | 2020-08-17 | Rotary puller of straightening machine and straightening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214022713U true CN214022713U (en) | 2021-08-24 |
Family
ID=77333109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021721009.9U Active CN214022713U (en) | 2020-08-17 | 2020-08-17 | Rotary puller of straightening machine and straightening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214022713U (en) |
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2020
- 2020-08-17 CN CN202021721009.9U patent/CN214022713U/en active Active
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