CN218361427U - Withdrawal and straightening machine - Google Patents

Abstract

The utility model provides a withdrawal and straightening machine, which comprises a frame, the upper bend roller set, lower bend roller set, drive arrangement and overspeed device tensioner are adjacent respectively and set firmly in the frame, upper bend roller set and the rotor roll dislocation set from top to bottom of lower bend roller set, upper bend roller set and lower bend roller set connect in two sets of drive arrangement, drive arrangement includes the fixed plate, two-way lead screw, the sliding block, the connecting rod, the bevel gear group, the dwang, lazytongs and hand wheel, two-way lead screw rotates to be connected in the fixed plate, the equal threaded connection in two-way lead screw both ends has the sliding block, the sliding block rotates with two connecting rods from top to bottom respectively and is connected, the other end of two connecting rods rotates with upper bend roller set and lower bend roller set respectively and is connected, be equipped with the bevel gear group in the middle of two-way lead screw, the dwang rotates with the fixed plate to be connected, dwang lower extreme and bevel gear set connection, the dwang top is equipped with lazytongs and hand wheel, the hand wheel is located the lazytongs top.

Description

Withdrawal and straightening machine

Technical Field

The utility model relates to the technical field of machining, specifically, relate to a machine of straightening and withdrawal that levels of sheet steel.

Background

In the process of processing the steel plate, the surface of the steel plate is often uneven due to stress action, and a finished product processed by the steel plate cannot meet the requirement of beauty in appearance. In order to obtain a steel plate with a flat surface, a leveling device is generally used for leveling the steel plate, and a stretch bending straightener adopts a technical process that a strip is plastically extended to obtain straightening under the combined action of stretching of a tension roller and continuous alternate repeated bending of a bending roller. The straightening process is that when a strip under the action of tension is sharply bent by a bending roller, the strip generates elastic-plastic extension deformation under the combined action of bending stress and tensile stress, so that the defects of ternary shapes are eliminated, and then the residual curvature is straightened by the straightening roller.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a tension leveler.

The technical scheme of the utility model as follows:

the utility model provides a withdrawal and straightening machine, includes frame, last crooked roller set, drive arrangement and overspeed device tensioner down, drive arrangement with overspeed device tensioner is adjacent respectively and sets firmly in the frame, go up crooked roller set with dislocation set about the live-rollers of crooked roller set down, go up crooked roller set with crooked roller set connects down in two sets of drive arrangement, drive arrangement includes fixed plate, two-way lead screw, sliding block, connecting rod, bevel gear group, dwang, lazytongs and hand wheel, two-way lead screw rotates to be connected in the fixed plate, the equal threaded connection in two-way lead screw both ends has the sliding block, the sliding block about respectively with two the connecting rod rotates to be connected, two the other end of connecting rod respectively with go up crooked roller set with crooked roller set rotates to be connected down, be equipped with bevel gear group in the middle of two-way lead screw, the dwang with the fixed plate rotates to be connected, the dwang lower extreme with bevel gear group connects, the dwang top is equipped with lazytongs and hand wheel, the hand wheel is located the lazytongs top.

The synchronizing mechanism comprises two rotating wheels and a conveying belt, the rotating wheels are circumferentially provided with annular grooves, and the annular grooves are embedded in the conveying belt and are connected in a rotating mode.

And guide convex strips are arranged between the fixed plate and the upper bending roller set and between the fixed plate and the lower bending roller set.

And guide grooves are arranged on two sides of the outer edge of the frame of the upper bending roller set and the frame of the lower bending roller set, and the guide grooves are connected with the guide convex strips in a sliding manner.

And the rotating roller sleeves of the upper bending roller group and the lower bending roller group are provided with a polishing layer.

The tensioning device comprises a mounting plate, a lower compression roller, an upper compression roller, a moving block, an elastic part, a guide rod and a connecting plate, wherein the two ends of the lower compression roller are rotatably connected to the lower end of the mounting plate, the two ends of the upper compression roller are respectively rotatably connected with the moving block, a sliding groove is formed in the upper end of the mounting plate, the moving block slides in the sliding groove, the elastic part is arranged between the upper end face of the sliding groove and the upper end face of the sliding groove, the guide rod is fixedly arranged at the upper end of the sliding block and penetrates through the sliding groove, and the connecting plate is arranged at the upper end face of the guide rod.

The utility model has the advantages that:

(1) Two sets of bending roller group are close to or keep away from top to bottom simultaneously through manual drive messenger, and the altitude balance on both sides is adjusted to better accuracy, makes the steel sheet atress even more.

(2) The driving mode of the driving device is a simple manual driving mode, if the driving device is damaged, the driving device is also easy to replace, the phenomenon that the device cannot be used under the electroless condition or the device cannot be timely manually adjusted after being damaged to stop working is avoided, and the production efficiency is reduced.

Description of the drawings:

fig. 1 is a schematic view of a main view structure of a withdrawal and straightening machine according to the present invention;

FIG. 2 is an enlarged schematic side view of the structure at the position A of the tension leveler of the present invention;

fig. 3 is a schematic front view of an upper bending roller set and a lower bending roller set of the withdrawal and straightening unit according to the present invention;

fig. 4 is a schematic view of a shaft side structure of a tension device of a withdrawal and straightening machine according to the present invention;

reference numerals:

1. a frame; 2. an upper bending roller set; 21. a guide groove; 22. polishing the layer; 3. a lower bending roller set; 4. a drive device; 41. a synchronization mechanism; 411. a rotating wheel; 412. a conveyor belt; 413. a ring groove; 42. a fixing plate; 43. a bidirectional screw rod; 44. a sliding block; 45. a connecting rod; 46. a bevel gear set; 47. rotating the rod; 48. a hand wheel; 49. a guide convex strip; 5. a tensioning device; 51. mounting a plate; 52. a lower pressing roller; 53. an upper compression roller; 54. A moving block; 55. a guide bar; 56. an elastic member; 57. a connecting plate; 58. and (4) sliding grooves.

Detailed Description

In order to make the utility model discloses a utility model purpose, technical scheme and technological effect are more clear and are understood, and it is right to combine specific embodiment below the utility model discloses do further explanation. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 and 2, a withdrawal and straightening machine includes a frame 1, an upper bending roller set 2, a lower bending roller set 3, a driving device 4 and a tensioning device, wherein the driving device 4 and the tensioning device are respectively and fixedly adjacent to the frame 1, the upper bending roller set 2 and a rotating roller of the lower bending roller set 3 are arranged in a vertically staggered manner, the upper bending roller set 2 and the lower bending roller set 3 are connected in the two driving devices 4, the withdrawal and straightening machine is characterized in that the driving device 4 includes a fixing plate 42, a bidirectional screw 43, a sliding block 44, a connecting rod 45, a bevel gear set 46, a rotating rod 47, a synchronizing mechanism 41 and a hand wheel 48, the bidirectional screw 43 is rotatably connected in the fixing plate 42, the two ends of the bidirectional screw 43 are respectively and threadedly connected with the sliding block 44, the sliding block 44 is rotatably connected with the two connecting rods 45 from top to bottom, the other ends of the two connecting rods 45 are respectively and rotatably connected with the upper bending roller set 2 and the lower bending roller set 3, the bevel gear set 46 is arranged in the middle of the bidirectional screw 43, the rotating rod 47 is rotatably connected with the fixing plate 42, the lower end of the bevel gear set is connected with the bevel gear set 46, the bevel gear set 47 is arranged above the synchronizing mechanism and the hand wheel mechanism 41 is arranged above the handwheel mechanism.

Through rotating the hand wheel 48 makes dwang 47 rotate, makes the dwang 47 of the other side also rotate through lazytongs 41, and dwang 47 rotates the switching-over transmission through bevel gear 46, makes two-way lead screw 43 rotate, the screw thread opposite direction of two-way lead screw 43, two-way lead screw 43 rotates and makes sliding block 44 remove, makes connecting rod 45 also rotate to make and go up bending roll group 2 and lower bending roll group 3 and be close to simultaneously or keep away from.

The synchronizing mechanism 41 comprises two rotating wheels 411 and a conveying belt 412, wherein the rotating wheels are circumferentially provided with annular grooves 413, and the annular grooves 413 are embedded into the conveying belt 412 and are connected in a rotating mode.

The driving devices 4 on both sides can run simultaneously through the transmission of the synchronizing mechanism 41, so that the balance of the rotating rollers is ensured, and the stress of the steel plate is uniform.

Guide convex strips 49 are arranged between the fixing plates 42 and the upper bending roller group 2 and the lower bending roller group 3.

Guide grooves 21 are formed in two sides of the outer edge of the frame of the upper bending roller group 2 and the frame of the lower bending roller group 3, and the guide grooves 21 are connected with the guide convex strips 49 in a sliding mode.

The guide convex strips 49 on the fixing plates 42 are connected with the guide grooves 21 of the upper bending roller group 2 and the lower bending roller group 3 in a sliding mode, so that the upper bending roller group 2 and the lower bending roller group 3 are more stable when moving.

And a polishing layer 22 is sleeved on the rotating rollers of the upper bending roller group 2 and the lower bending roller group 3.

When the steel sheet passes through the bending roller set, the polishing layer 22 sleeved on the rotating roller and the polishing layer 22 rub against each other to enable steel slag on the surface of the steel sheet to be ground off, so that the steel sheet is smoother.

The tensioning devices 5 respectively comprise an installation plate 51, a lower pressing roller 52, an upper pressing roller 53, a moving block 54, an elastic part 56, a guide rod 55 and a connecting plate 57, two ends of the lower pressing roller 52 are rotatably connected to the lower end of the installation plate 51, two ends of the upper pressing roller 53 are respectively rotatably connected with the moving block 54, a sliding groove 58 is formed in the upper end of the installation plate 51, the moving block 54 slides in the sliding groove 58, the elastic part 56 is arranged between the upper end of the moving block 54 and the upper end face of the sliding groove 58, the guide rod 55 is fixedly arranged at the upper end of the sliding block 44, the guide rod 55 penetrates through the sliding groove 58, and the connecting plate 57 is arranged on the upper end face of the guide rod 55.

In this embodiment, when the steel plate passes through the tensioning device 5, because the lower compression roller 52 is fixed, the upper compression roller 53 can slide according to the thickness of the steel plate, because the moving block 54 is provided with a spring, the upper compression roller 53 is more tightly supported downwards under the action of the spring, so that the steel plate is more tightly pressed when passing through, the moving block 54 is provided with a guide rod 55, and the guide rod 55 is provided with a connecting plate 57, the connecting plate 57 is connected with the guide rods 55 of the tensioning devices 5 at two ends, so that two sides of the upper compression roller 53 can simultaneously ascend or descend, and the pressure on two sides is more uniform when the steel plate passes through.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model discloses to the ordinary technical person of technical field's the prerequisite that does not deviate from the utility model discloses under the prerequisite of design, its frame form can be nimble changeable, can derive a series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.

Claims (6)

1. A withdrawal and straightening machine comprises a rack (1), an upper bending roller set (2), a lower bending roller set (3), a driving device (4) and a tensioning device (5), wherein the driving device (4) and the tensioning device (5) are respectively and fixedly arranged on the rack (1) in an adjacent mode, the upper bending roller set and rotating rollers of the lower bending roller set (3) are arranged in a vertically staggered mode, the upper bending roller set (2) and the lower bending roller set (3) are connected in the two groups of driving devices (4), the withdrawal and straightening machine is characterized in that the driving device (4) comprises a fixing plate (42), a bidirectional screw rod (43), a sliding block (44), a connecting rod (45), a bevel gear set (46), a rotating rod (47), a synchronizing mechanism (41) and a hand wheel (48), the bidirectional screw rod (43) is rotatably connected in the fixing plate (42), the two ends of the bidirectional screw rod (43) are both in threaded connection with the sliding block (44), the sliding block (44) is rotatably connected with the two connecting rods (45) vertically, the other ends of the two connecting rods (45) are respectively connected with the upper bending roller set (2) and the lower bending roller set (3), and the middle bending roller set (47) is provided with the fixing plate (42), dwang (47) lower extreme with bevel gear group (46) are connected, dwang (47) top is equipped with lazytongs (41) with hand wheel (48), hand wheel (48) are located lazytongs (41) top.

2. The withdrawal and straightening unit as claimed in claim 1, characterized in that the synchronizing mechanism (41) comprises two rotating wheels (411) and a conveyor belt (412), wherein the rotating wheels (411) are circumferentially provided with annular grooves (413), and the conveyor belt (412) is embedded in and rotatably connected with the annular grooves (413).

3. A withdrawal straightening machine according to claim 1, characterized in that guide ribs (49) are provided between the fixing plate (42) and the upper bending roller group (2) and the lower bending roller group (3).

4. A withdrawal and straightening unit as claimed in claim 3, characterized in that the upper bending roll stack (2) and the lower bending roll stack (3) are provided with guide grooves (21) on both sides of the frame outer edge, said guide grooves (21) being connected to said guide ribs (49) in a sliding manner.

5. The withdrawal and straightening unit as claimed in claim 1, characterized in that the rotating rolls of the upper bending roll stack (2) and the lower bending roll stack (3) are provided with a grinding layer (22).

6. The withdrawal and straightening machine as claimed in claim 1, wherein each tensioning device (5) comprises a mounting plate (51), a lower pressing roller (52), an upper pressing roller (53), a moving block (54), an elastic member (56), a guide rod (55) and a connecting plate (57), two ends of the lower pressing roller (52) are rotatably connected to the lower end of the mounting plate (51), two ends of the upper pressing roller (53) are rotatably connected with the moving block (54), a sliding groove (58) is formed in the upper end of the mounting plate (51), the moving block (54) slides in the sliding groove (58), the elastic member (56) is arranged between the upper end of the sliding block (44) and the upper end face of the sliding groove (58), the guide rod (55) is fixedly arranged at the upper end of the sliding block (44), the guide rod (55) passes through the sliding groove (58), and the connecting plate (57) is arranged at the upper end face of the guide rod (55).

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