CN218555156U

CN218555156U - Adjustable cold rolling mill frame

Info

Publication number: CN218555156U
Application number: CN202223212471.8U
Authority: CN
Inventors: 朱润铭
Original assignee: Taishan Zhuchengji Precision Equipment Co ltd
Current assignee: Taishan Zhuchengji Precision Equipment Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-03-03
Anticipated expiration: 2032-12-01

Abstract

The utility model discloses an adjustable cold rolling mill frame, including the frame body that is used for installing two drive cold rolls, the frame body includes the base, the top movable contact of base has the U-shaped mounting panel, and the drive cold roll that lies in the below in two drive cold rolls rotates to be installed between the both sides inner wall of U-shaped mounting panel, and the right side of U-shaped mounting panel is equipped with two driving motor, the left side of the driving motor that lies in the below and the right side fixed connection of U-shaped mounting panel. The utility model discloses a setting of first screw thread actuating mechanism, first motor, square clamping block and first cutting ferrule can be adjusted the distance between two drive cold rolls to can roll out the product of different thickness, improve application scope, through the setting of first motor, square clamping block, second cutting ferrule and the synchronous screw thread actuating mechanism of second, can adjust the holding height of two drive cold rolls, thereby make things convenient for different height personnel to operate, improve and use the flexibility.

Description

Adjustable cold rolling mill frame

Technical Field

The utility model relates to a cold rolling mill frame technical field especially relates to an adjustable cold rolling mill frame.

Background

The cold rolling mill frame is used for mounting and supporting a cold rolling roll on the cold rolling mill, the cold rolling production process generally comprises the steps of raw material preparation, acid cleaning, rolling, degreasing, annealing (heat treatment), finishing and the like, the cold rolling mill is a main machine of a cold rolling process, and the cold rolling mill is widely applied to the smelting and processing process of metal and adopts two cold rolling rolls to roll metal products; however, the space between the two cold rolls in the cold rolling mill is fixed, which causes that the cold rolling mill can only roll metal products with the same thickness, so that the application range of the cold rolling mill is limited; in addition, the height of the frame is fixed, so that the frame is inconvenient for people with different heights to operate, and therefore an adjustable cold rolling mill frame is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an adjustable cold rolling mill frame.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an adjustable cold rolling mill frame comprises a frame body for mounting two driving cold rolling rolls, wherein the frame body comprises a base, the top of the base is movably contacted with a U-shaped mounting plate, the driving cold rolling roll positioned below the two driving cold rolling rolls is rotatably mounted between the inner walls of the two sides of the U-shaped mounting plate, two driving motors are arranged on the right side of the U-shaped mounting plate, the left side of the driving motor positioned below is fixedly connected with the right side of the U-shaped mounting plate, the left ends of the output shafts of the two driving motors are respectively and fixedly connected with the right ends of the corresponding driving cold rolling rolls, the driving motors can drive the corresponding driving cold rolling rolls to rotate, the two driving cold rolling rolls are matched with the two driving motors, rolling operation can be carried out, first through holes are formed in the inner walls of the two sides of the U-shaped mounting plate, mounting sleeves are arranged in the first through holes, the two mounting sleeves are rotatably sleeved on the driving cold rolling rolls above, the two mounting sleeves support the driving cold rolling rolls positioned above, and the left side of the driving motor positioned above is fixedly connected with the right side of the mounting sleeve positioned on the right side of the driving motor;

the top of the two installation sleeves is fixedly connected with the same first synchronous thread driving mechanism, the first synchronous thread driving mechanism can drive the two installation sleeves to move upwards synchronously, the top of the first synchronous thread driving mechanism extends to the upper side of the U-shaped installation plate, a guide mechanism which penetrates the upper side of the U-shaped installation plate in a sliding mode is installed on the first synchronous thread driving mechanism, the guide mechanism plays a vertical guide effect on the first synchronous thread driving mechanism, the two sides of the U-shaped installation plate are provided with the same second synchronous thread driving mechanism, the bottom of the second synchronous thread driving mechanism is fixedly connected with the top of the base, the second thread driving mechanism can drive the U-shaped installation plate to move vertically, the top of the first synchronous thread driving mechanism is fixedly connected with a first clamping sleeve, the top of the second synchronous thread driving mechanism is fixedly connected with a second clamping sleeve, a first motor is arranged above the U-shaped installation plate, the bottom end of an output shaft of the first motor is clamped with the first clamping sleeve and matched with the second clamping sleeve, the top of the U-shaped installation plate is fixedly connected with a supporting and fastening mechanism which is used for adjusting and fixing the transverse position of the first motor.

Preferably, the first synchronous thread driving mechanism comprises two first rectangular rods, the bottom ends of the first rectangular rods are fixedly connected with the tops of the corresponding installation sleeves, first rectangular holes are formed in the inner walls of the tops of the first through holes, the first rectangular rods are slidably sleeved in the corresponding first rectangular holes, first screw rods are rotatably installed between the inner walls of the two sides of each first rectangular hole, the first rectangular rods are sleeved on the corresponding first screw rods in a threaded manner, the first rectangular rods can move in the vertical direction when the first screw rods rotate, the top ends of the first screw rods extend to the tops of the U-shaped installation plates and are fixedly connected with first chain wheels, the two first chain wheels are in transmission connection with a same first chain, the two first chain wheels are matched with the first chain, the two first screw rods can be driven to rotate simultaneously, and the bottoms of the first clamping sleeves are fixedly connected with the tops of the first chain wheels positioned on the left side.

Preferably, guiding mechanism includes the connecting rod, and the both ends of connecting rod are close to one side fixed connection each other with two first rectangle poles respectively, two L shape guide bars of top fixedly connected with of connecting rod, and the top of L shape guide bar slides and runs through to the top of U-shaped mounting panel, and two L shape guide bars all are located first chain and with the inboard contactless of first chain, and connecting rod and two L shape guide bars cooperate, can play the effect of vertical direction to two first rectangle poles.

Preferably, the second synchronous thread driving mechanism comprises two first supporting blocks, one side, close to each other, of each of the two first supporting blocks is fixedly connected with two sides of the U-shaped mounting plate respectively, the top parts of two sides of the U-shaped mounting plate are fixedly connected with second supporting blocks, two sides of the top of the base are fixedly connected with second rectangular rods, the first supporting blocks are sleeved on the corresponding second rectangular rods in a sliding mode, the second supporting blocks are matched with the second rectangular rods and can achieve a vertical guiding effect on the U-shaped mounting plate, the bottom of each second supporting block is rotatably provided with a second screw, the second rectangular rods are sleeved on the corresponding second screws in a threaded mode, the second rectangular rods are in threaded connection with the corresponding second screws, the second screws can move upwards while rotating, the top ends of the second screws extend to the tops of the corresponding second supporting blocks and are fixedly connected with second chain wheels, the two second chain wheels are in transmission connection with second chains, the two second chain wheels are matched with the second chain wheels and can synchronously drive the two second screws to rotate, the tops of the left second chain wheels are fixedly connected with the bottoms of the second chain wheels, the second chain sleeves, and the second chain guide sleeves are not in contact with the same L-shaped guide bar, and the second chain guide sleeves.

Preferably, support fastening device and include the L shape bracing piece of fixed connection at U-shaped mounting panel top, sliding sleeve is equipped with the uide bushing on the L shape bracing piece, the top in close contact with of L shape bracing piece has T shape to press solid bolt, uide bushing threaded sleeve establishes on T shape presses solid bolt, the bottom of uide bushing and the top fixed connection of first motor, the cooperation of uide bushing and L shape bracing piece, play the effect of horizontal direction to first motor, T shape presses the setting of solid bolt, can fix the horizontal position of uide bushing, thereby can realize the fixed to first motor.

Preferably, the bottom end of the output shaft of the first motor is fixedly connected with a square clamping block, the square clamping block is movably clamped in the first clamping sleeve, the front side, the rear side and the right side of the square clamping block are respectively in movable contact with the inner wall of the front side, the inner wall of the rear side and the inner wall of the right side of the first clamping sleeve, one side, close to each other, of the first clamping sleeve and one side, close to each other, of the second clamping sleeve are both provided with openings, the square clamping block and the first clamping sleeve can be clamped in a mode that the square clamping block can rotate and simultaneously drive the first clamping sleeve to rotate through the engagement of edges and corners of the square clamping block, and the square clamping block is matched with the inner side of the second clamping sleeve.

Preferably, first circular port has all been seted up on the both sides inner wall of U-shaped mounting panel, and equal fixed cover is equipped with first bearing in first circular port and the installation cover, the equal fixedly connected with circle axle in both ends of drive cold roll, the inboard fixed connection of inner circle of the outside of circle axle and the first bearing that corresponds, first bearing play the effect that supplies the circle axle to rotate the installation, first bearing and circle axle cooperate, play the effect that supplies the drive cold roll to rotate the installation, driving motor's output shaft left end and the circle axle right-hand member fixed connection on the right side that corresponds.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the distance between the two driving cold rolls can be adjusted by matching the first motor, the square fixture block, the first clamping sleeve, the first synchronous thread driving mechanism and the guide mechanism, so that products with different thicknesses can be rolled, and the application range is improved;

2. the supporting heights of the two driving cold rolls can be adjusted by matching the first motor, the square fixture block, the second clamping sleeve and the second synchronous thread driving mechanism, so that the operation of people with different heights is facilitated, and the use flexibility is improved;

the utility model discloses a setting of first screw thread actuating mechanism, first motor, square clamping block and first cutting ferrule can be adjusted the distance between two drive cold rolls to can roll out the product of different thickness, improve application scope, through the setting of first motor, square clamping block, second cutting ferrule and the synchronous screw thread actuating mechanism of second, can adjust the holding height of two drive cold rolls, thereby make things convenient for different height personnel to operate, improve and use the flexibility.

Drawings

Fig. 1 is a schematic front view of an adjustable cold rolling mill frame according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 100. a base; 101. a U-shaped mounting plate; 102. driving the cold roll; 103. a drive motor; 1. installing a sleeve; 2. a first through hole; 3. a first rectangular bar; 4. a first screw; 5. a first sprocket; 6. a first chain; 7. a connecting rod; 8. an L-shaped guide bar; 9. a first support block; 10. a second rectangular bar; 11. a second screw; 12. a second sprocket; 13. a second support block; 14. a second chain; 15. a second ferrule; 16. a first ferrule; 17. a first motor; 18. a square clamping block; 19. an L-shaped support bar; 20. and a guide sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an adjustable cold rolling mill stand comprises a stand body for mounting two driving cold rolling rolls 102, the stand body comprises a base 100, the top of the base 100 is movably contacted with a U-shaped mounting plate 101, the driving cold rolling roll 102 positioned below the two driving cold rolling rolls 102 is rotatably mounted between the inner walls of the two sides of the U-shaped mounting plate 101, the right side of the U-shaped mounting plate 101 is provided with two driving motors 103, the left side of the driving motor 103 positioned below is fixedly connected with the right side of the U-shaped mounting plate 101, the left ends of the output shafts of the two driving motors 103 are respectively fixedly connected with the right ends of the corresponding driving cold rolling rolls 102, the two driving motors 103 and the two driving cold rolling rolls 102 are matched for rolling operation, the rolling principle is the prior art and is not explained herein, the inner walls of two sides of the U-shaped mounting plate 101 are provided with first through holes 2, mounting sleeves 1 are arranged in the first through holes 2, the two mounting sleeves 1 are rotatably sleeved on the driving cold roll 102 above, wherein the inner walls of two sides of the U-shaped mounting plate 101 are provided with first circular holes, first bearings are fixedly sleeved in the first circular holes and the mounting sleeves 1, two ends of the driving cold roll 102 are fixedly connected with circular shafts, the outer sides of the circular shafts are fixedly connected with the inner sides of the inner rings of the corresponding first bearings, the first bearings have the effect of rotating and mounting the corresponding circular shafts, the left end of an output shaft of the driving motor 103 is fixedly connected with the right end of the corresponding circular shaft on the right side, the driving motor 103 drives the driving cold roll 102 to rotate through the corresponding circular shafts, and the left side of the driving motor 103 above is fixedly connected with the right side of the mounting sleeve 1 on the right side;

the top parts of the two mounting sleeves 1 are fixedly connected with the same first synchronous thread driving mechanism, the top parts of the first synchronous thread driving mechanisms extend to the upper part of the U-shaped mounting plate 101, the first synchronous thread driving mechanism comprises two first rectangular rods 3, the bottom ends of the first rectangular rods 3 are fixedly connected with the top parts of the corresponding mounting sleeves 1, first rectangular holes are formed in the inner walls of the top parts of the first through holes 2, the first rectangular rods 3 are slidably sleeved in the corresponding first rectangular holes, first screw rods 4 are rotatably mounted between the inner walls of the two sides of the first rectangular holes, second bearings are fixedly connected between the inner walls of the two sides of the first rectangular holes, the inner sides of the inner rings of the second bearings are fixedly connected with the outer sides of the corresponding first screw rods 4, the second bearings play a role in rotating and mounting the corresponding first screw rods 4, the first rectangular rods 3 are in threaded sleeved on the corresponding first screw rods 4, the top ends of the first rectangular rods 3 are provided with first threaded holes, the first threaded holes are in threaded connection with the corresponding first rectangular screw rods 4, the first rectangular screw rods 3 are in a threaded connection mode through the first threaded holes, the first threaded connection between the first screw rods 3, the first chain wheels 5 can vertically extend to the first chain wheels 4, and the chain wheels 5 are vertically connected with two chain wheels 6;

a guide mechanism which penetrates above the U-shaped mounting plate 101 in a sliding mode is installed between the two first rectangular rods 3 and comprises a connecting rod 7, two ends of the connecting rod 7 are fixedly connected with one side, close to the two first rectangular rods 3, of the connecting rod 7 respectively, the top of the connecting rod 7 is fixedly connected with two L-shaped guide rods 8, the top of each L-shaped guide rod 8 penetrates above the U-shaped mounting plate 101 in a sliding mode, two guide holes are formed in the inner wall of the top of the U-shaped mounting plate 101, the inner wall of each guide hole is sleeved with the outer side of the corresponding L-shaped guide rod 8 in a sliding mode, the L-shaped guide rods 8 are matched with the connecting rod 7, the two first rectangular rods 3 are guided vertically, and the two L-shaped guide rods 8 are located in the first chains 6 and are not in contact with the inner sides of the first chains 6;

the two sides of the U-shaped mounting plate 101 are provided with the same second synchronous thread driving mechanism, the bottom of the second synchronous thread driving mechanism is fixedly connected with the top of the base 100, wherein the second synchronous thread driving mechanism comprises two first supporting blocks 9, one sides of the two first supporting blocks 9, which are close to each other, are fixedly connected with the two sides of the U-shaped mounting plate 101 respectively, the tops of the two sides of the U-shaped mounting plate 101 are fixedly connected with second supporting blocks 13, the two sides of the top of the base 100 are fixedly connected with second rectangular rods 10, the first supporting blocks 9 are slidably sleeved on the corresponding second rectangular rods 10, the tops of the first supporting blocks 9 are provided with rectangular sliding holes, the inner walls of the rectangular sliding holes are slidably sleeved with the outer sides of the corresponding second rectangular rods 10, the first supporting blocks 9 are matched with the corresponding second rectangular rods 10, and play a role of vertical guiding for the U-shaped mounting plate 101, a second screw 11 is rotatably mounted at the bottom of the second supporting block 13, wherein a mounting hole is formed at the top of the second supporting block 13, a third bearing is fixedly sleeved in the mounting hole, the inner side of an inner ring of the third bearing is fixedly connected with the outer side of the corresponding second screw 11, the third bearing has the effect of rotatably mounting the corresponding second screw 11, a second rectangular rod 10 is sleeved on the corresponding second screw 11 in a threaded manner, a second threaded hole is formed at the top end of the second rectangular rod 10, the second threaded hole is in threaded connection with the corresponding second screw 11, the second rectangular rod 10 is in threaded connection with the second screw 11 through the corresponding second threaded hole, the second screw 11 can move upwards while rotating, the top end of the second screw 11 extends to the upper side of the corresponding second supporting block 13 and is fixedly connected with a second chain wheel 12, and a same second chain 14 is in transmission connection with the two second chain wheels 12, the second chain 14 is positioned above the first chain 6;

the top of the first chain wheel 5 positioned on the left side is fixedly connected with a first cutting sleeve 16, the two L-shaped guide rods 8 and the first cutting sleeve 16 are both positioned in the second chain 14 and are not in contact with the inner side of the second chain 14, the top of the second chain wheel 12 positioned on the left side is fixedly connected with a second cutting sleeve 15, a first motor 17 is arranged above the U-shaped mounting plate 101, the bottom end of an output shaft of the first motor 17 is clamped with the first cutting sleeve 16 and is matched with the second cutting sleeve 15, the bottom end of an output shaft of the first motor 17 is fixedly connected with a square clamping block 18, the square clamping block 18 is movably clamped in the first cutting sleeve 16, the front side, the rear side and the right side of the square clamping block 18 are respectively in movable contact with the front side inner wall, the rear side inner wall and the right side inner wall of the first cutting sleeve 16, one side of the first cutting sleeve 16, which is close to the second cutting sleeve 15, the first motor 17 is in a mode of clamping with the first cutting sleeve 16 through the square clamping block 18, the first cutting sleeve 16 can drive the first cutting sleeve 16 to rotate while the square clamping block 18, and the inner side of the second cutting sleeve 15 are matched;

the top of the U-shaped mounting plate 101 is fixedly connected with a supporting and fastening mechanism fixedly connected with the top of the first motor 17, wherein the supporting and fastening mechanism comprises an L-shaped supporting rod 19 fixedly connected with the top of the U-shaped mounting plate 101, a guide sleeve 20 is slidably sleeved on the L-shaped supporting rod 19, a T-shaped fixing bolt is in close contact with the top of the L-shaped supporting rod 19, a threaded sleeve of the guide sleeve 20 is sleeved on the T-shaped fixing bolt, a bolt perforation hole is formed in the inner wall of the top of the guide sleeve 20 and is in threaded connection with the T-shaped fixing bolt, the T-shaped fixing bolt can rotate and move up and down, the bottom of the guide sleeve 20 is fixedly connected with the top of the first motor 17, the L-shaped supporting rod 19 is matched with the guide sleeve 20 to achieve a transverse guiding effect on the first motor 17, the utility model discloses through the arrangement of a first thread driving mechanism, the first motor 17, a square clamping block 18 and a first thread 16, the distance between two driving rollers 102 can be adjusted, so that products with different thicknesses can be produced, the application range is improved, the clamping sleeve can be synchronously arranged through the first motor 17, the second clamping block 18, the second thread and the second clamping block 15, the second thread, the height of the cold rolling sleeve can be adjusted by two cold rolling mill, and the height adjusting mechanism, thereby facilitating the use of the height of the cold rolling mill driving mechanism, and the support the people.

The working principle is as follows: when the device is used, firstly, the supporting heights of two driving cold rolling rolls 102 are adjusted according to operation requirements, when the adjustment is carried out, firstly, the T-shaped fixing bolt is rotated reversely, the T-shaped fixing bolt is separated from the top of the L-shaped supporting rod 19 while rotating, the fixing of the guide sleeve 20 is released, then, the guide sleeve 20 can be moved leftwards, the guide sleeve 20 drives the first motor 17 to move leftwards, the output shaft of the first motor 17 drives the direction clamping block 18 to separate leftwards from the first clamping sleeve 16, when the direction clamping block 18 moves leftwards into the second clamping sleeve 15 and contacts with the inner wall of the left side of the second clamping sleeve 15, the guide sleeve 20 stops moving, then, the T-shaped fixing bolt is rotated forwards, the T-shaped fixing bolt rotates forwards and moves to be closely contacted with the top of the L-shaped supporting rod 19 while rotating, the fixing of the guide sleeve 20 is realized under the friction force of the T-shaped fixing bolt and the L-shaped supporting rod 19, thereby, the fixing of the first motor 17 is realized, the first motor 17 starts the first motor 17 forwards, the output shaft of the first motor 17 drives the direction clamping block 18 to rotate, the second clamping block 18 drives the second clamping sleeve to move upwards through the second clamping block 101, the second clamping block 10, the second clamping sleeve 10 drives the U-shaped chain wheel 12 to rotate, the second clamping chain wheel 12, the second clamping block 10, the second chain wheel 10 moves upwards, the second chain wheel 10, the second chain wheel moves upwards, the second chain wheel 12, the mounting plate 10, the second chain wheel 10 drives the second chain wheel 12, the second chain wheel 10 rotates, the supporting height of the driving cold roll 102 is changed, and when the supporting height of the driving cold roll 102 is adjusted according to operation requirements, the first motor 17 is stopped, so that the supporting height of the driving cold roll 102 is adjusted, the operation and the use of personnel with different heights are facilitated, and the use flexibility is improved;

when the distance between the two cold rolls 102 is adjusted according to rolling needs, the T-shaped fixing bolt is reversely rotated again to release the fixation of the first motor 17, at the moment, the first motor 17 can be moved rightwards, when the output shaft of the first motor 17 drives the square clamping block 18 to move into the first clamping sleeve 16, the T-shaped fixing bolt can be rotated forwards to fix the first motor 17, then the first motor 17 is started forwards, the output shaft of the first motor 17 drives the first clamping sleeve 16 to rotate through the square clamping block 18, the first clamping sleeve 16 drives the first chain wheel 5 on the left side to rotate, the first chain wheel 5 on the left side drives the first chain wheel 5 on the right side to rotate through the first chain 6, the first chain wheel 5 drives the corresponding first screw rod 4 to rotate, under the effect of the first threaded hole formed in the first rectangular rod 3, the first screw rod 4 rotates to drive the first rectangular rod 3 to move downwards, the first rectangular rod 3 drives the corresponding mounting sleeves 1 to move downwards, the two first rectangular rods 3 drive the two L-shaped guide rods 8 to move downwards through the connecting rod 7 simultaneously, the two mounting sleeves 1 simultaneously drive the driving cold rollers 102 above to move downwards, the distance between the two driving cold rollers 102 is changed, when the distance between the two driving cold rollers 102 is adjusted according to production needs, the first motor 17 is stopped, the distance between the two driving cold rollers 102 is adjusted, products with different thicknesses can be rolled, and the application range is improved.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. An adjustable cold rolling mill stand comprises a stand body used for mounting two driving cold rolling rolls (102), the stand body comprises a base (100), the top of the base (100) is in movable contact with a U-shaped mounting plate (101), and the adjustable cold rolling mill stand is characterized in that the driving cold rolling rolls (102) positioned below the two driving cold rolling rolls (102) are rotatably mounted between the inner walls of the two sides of the U-shaped mounting plate (101), two driving motors (103) are arranged on the right side of the U-shaped mounting plate (101), the left sides of the driving motors (103) positioned below are fixedly connected with the right sides of the U-shaped mounting plate (101), the left ends of the output shafts of the two driving motors (103) are respectively fixedly connected with the right ends of the corresponding driving cold rolling rolls (102), first through holes (2) are formed in the inner walls of the two sides of the U-shaped mounting plate (101), mounting sleeves (1) are arranged in the first through holes (2), the two mounting sleeves (1) are rotatably sleeved on the driving cold rolling rolls (102), and the left sides of the driving motors (103) positioned above are fixedly connected with the right sides of the mounting sleeves (1) positioned on the right sides;

the top fixedly connected with of two installation cover (1) is same first synchronous screw thread actuating mechanism, the top of first synchronous screw thread actuating mechanism extends to the top of U-shaped mounting panel (101), install the guiding mechanism who slides and run through to U-shaped mounting panel (101) top on the first synchronous screw thread actuating mechanism, same second synchronous screw thread actuating mechanism is installed to the both sides of U-shaped mounting panel (101), the bottom of second synchronous screw thread actuating mechanism and the top fixed connection of base (100), the top fixedly connected with first cutting ferrule (16) of first synchronous screw thread actuating mechanism, the top fixedly connected with second cutting ferrule (15) of second synchronous screw thread actuating mechanism, the top of U-shaped mounting panel (101) is equipped with first motor (17), the output shaft bottom of first motor (17) clamps mutually with first cutting ferrule (16) and cooperatees with second cutting ferrule (15), the top fixedly connected with of U-shaped mounting panel (101) and the top fixedly connected with of first motor (17) support fastening mechanism.

2. The adjustable cold rolling mill frame according to claim 1, wherein the first synchronous thread driving mechanism comprises two first rectangular rods (3), the bottom ends of the first rectangular rods (3) are fixedly connected with the tops of the corresponding mounting sleeves (1), first rectangular holes are formed in the top inner walls of the first through holes (2), the first rectangular rods (3) are slidably sleeved in the corresponding first rectangular holes, first screw rods (4) are rotatably mounted between the inner walls of the two sides of the first rectangular holes, the first rectangular rods (3) are sleeved on the corresponding first screw rods (4) in a threaded manner, the top ends of the first screw rods (4) extend to the upper portion of the U-shaped mounting plate (101) and are fixedly connected with first chain wheels (5), the two first chain wheels (5) are connected with the same first chain (6) in a transmission manner, and the bottoms of the first screw rods (16) are fixedly connected with the tops of the first chain wheels (5) positioned on the left side.

3. The adjustable cold rolling mill stand according to claim 2, characterized in that the guide mechanism comprises a connecting rod (7), two ends of the connecting rod (7) are fixedly connected with one side of the two first rectangular rods (3) close to each other, two L-shaped guide rods (8) are fixedly connected with the top of the connecting rod (7), the top of each L-shaped guide rod (8) penetrates through the U-shaped mounting plate (101) in a sliding manner, and the two L-shaped guide rods (8) are located in the first chain (6) and are not in contact with the inner side of the first chain (6).

4. The adjustable cold rolling mill stand according to claim 3, characterized in that the second synchronous screw drive mechanism includes two first support blocks (9), one side of the two first support blocks (9) close to each other is fixedly connected with two sides of the U-shaped mounting plate (101), the top of the two sides of the U-shaped mounting plate (101) is fixedly connected with a second support block (13), the two sides of the top of the base (100) are fixedly connected with a second rectangular rod (10), the first support blocks (9) are slidably sleeved on the corresponding second rectangular rods (10), the bottom of the second support blocks (13) is rotatably installed with a second screw (11), the second rectangular rods (10) are threadedly sleeved on the corresponding second screw (11), the top of the second screw (11) extends to the upper side of the corresponding second support block (13) and is fixedly connected with a second sprocket (12), the two second sprockets (12) are rotatably connected with a same second chain (14), the top of the second sprocket (12) located on the left side is fixedly connected with the bottom of the second ferrule (15), the second sprocket (14) is located on the inner side of the second sprocket (6), and the second sprocket (14) is located on the inner side of the second sprocket (14) and is not in contact with the second guide sleeve.

5. The adjustable cold rolling mill stand according to claim 1, characterized in that the supporting and fastening mechanism comprises an L-shaped supporting rod (19) fixedly connected to the top of the U-shaped mounting plate (101), a guide sleeve (20) is slidably sleeved on the L-shaped supporting rod (19), a T-shaped press-fixing bolt is tightly contacted with the top of the L-shaped supporting rod (19), the guide sleeve (20) is sleeved on the T-shaped press-fixing bolt in a threaded manner, and the bottom of the guide sleeve (20) is fixedly connected with the top of the first motor (17).

6. The adjustable cold rolling mill stand according to claim 1, characterized in that a square clamping block (18) is fixedly connected to the bottom end of the output shaft of the first motor (17), the square clamping block (18) is movably clamped in the first clamping sleeve (16), the front side, the rear side and the right side of the square clamping block (18) are respectively in movable contact with the inner wall of the front side, the inner wall of the rear side and the inner wall of the right side of the first clamping sleeve (16), the side, close to each other, of the first clamping sleeve (16) and the second clamping sleeve (15) are both provided with openings, and the square clamping block (18) is matched with the inner side of the second clamping sleeve (15).

7. The adjustable cold rolling mill stand according to claim 1, characterized in that first circular holes are formed in inner walls of two sides of the U-shaped mounting plate (101), first bearings are fixedly sleeved in the first circular holes and the mounting sleeve (1), circular shafts are fixedly connected to two ends of the driving cold rolling roll (102), outer sides of the circular shafts are fixedly connected with inner sides of inner rings of the corresponding first bearings, and left ends of output shafts of the driving motors (103) are fixedly connected with right ends of the corresponding circular shafts on the right sides.