Torsion correcting device for strip-shaped casting
By installing thread sleeves and adjustment pillars on the rotating pinch of the orthodontic device on the strip casting, and equipped with a torque wrench and a spiny lobe, it can solve the difficulty to achieve precise squeezing pressure adjustment and rebound in the existing technology The problem has achieved higher and more stable squeezing pressure and accurate correction effects.
Patent Information
- Application Number
- CN202420169039.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-24
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-01-24
AI Technical Summary
When existing bar casting torsion correction devices deal with castings of different degrees of twist, it is difficult to achieve accurate squeeze pressure adjustment, which is prone to rebound problems and problems that cannot be adjusted during the correction process.
Design a torsional orthodontic device including rotating clamps and mobile racks. By installing thread sleeves and adjustment columns on the supporting rack on the rotating clamping end and the mobile rack, it is equipped with a torque wrench and a spiny lobe mechanism to achieve torque to achieve torque to achieve torque. Digital display and one -way driver, the outer thread of the adjustment column and the inner thread of the thread cover have a small thread distance, which can withstand larger axial force and ensure higher and more stable squeezing pressure.
The precise reversing correction of the strip casting is realized, the problem of non -adjustment during the rebound problem and correction process is solved, and the crowding pressure is higher, more stable, and can be fine -tuned during the correction process.
Smart Images
Figure CN222402894U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of structure improvement of a mold torsion correction device, in particular to a strip casting torsion correction device. Background Art
[0002] There may be distortion in the short horizontal direction or short vertical direction at a certain position of the strip casting. Before entering the next process, the distortion needs to be corrected by torsion. The commonly used equipment is Figure 1 As shown, its structure includes a conveying roller 1, a frame 14, and a rotating clamping end 12. A conveying roller is arranged on a bracket at one end of the frame. Two vertical worms 4 are arranged on both sides of the side end. A turbine is clamped between the two vertical worms. The turbine drives the rotating clamping end to rotate. Coaxial passive gears 3 are installed on the upper ends of the two worms. The two passive gears are respectively connected to the two output ends of the gearbox 5 through a meshing active gear 6. The input end of the gearbox is connected to the main motor 2. The main motor drives the two active gears through the gearbox. The two active gears drive the two worms to rotate through the two passive gears. The two worms rotate in opposite directions and make the turbine between them rotate in a single direction.
[0003] A base 11 is provided on the rotating clamping end, a guide sleeve is installed in the base, a piston rod for vertical movement is installed in the guide sleeve, an extrusion head for vertical guidance and movement is provided at the lower end of the piston rod, and an upper extrusion die and a lower extrusion die are installed at the positions where the bottom surface of the extrusion head and the frame are aligned. The piston rod is driven by a hydraulic cylinder or an electric cylinder. Guide rails 13 are provided on both sides of the long direction of the upper end of the box body, and a moving frame 20 is provided on the two guide rails. A moving motor 18 and a moving gearbox 17 are installed on a motor frame 19 provided on one side of the moving frame. The moving motor drives the moving frame to move on the guide rail through a moving gearbox and a gear and a rack. A support frame 15 is provided at the upper end of the moving frame, and a guide sleeve is installed in the base 11 provided on the support frame. A vertically guided extrusion head is also provided at the lower end of the piston rod in the guide sleeve, and an upper extrusion die and a lower extrusion die are installed at the positions where the bottom surface of the extrusion head and the moving frame are aligned.
[0004] The above structure has the following problems when in use: 1. The electric cylinder or hydraulic cylinder generally sets the stroke data of the piston, but the degree of distortion of the strip casting is slightly different, which may cause the stroke to be too large or too small. Too small will lead to insufficient extrusion pressure, while too large will cause the piston rod to rebound due to excessive extrusion pressure (pushing the piston rod back), which also leads to a decrease in extrusion pressure; 2. After the electric cylinder or hydraulic cylinder sets the data, the extrusion pressure of the entire process cannot be adjusted. During the extrusion correction process, looseness may occur, but the piston rod can no longer be adjusted at this time. Utility Model Content
[0005] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a strip casting torsion correction device. In the utility model, threaded sleeves are respectively installed on the rotating clamping end and the support frame on the movable frame, and the threaded sleeve is screwed into the sleeve to set the adjustment column. A torque wrench is arranged on the upper end of the adjustment column to realize the digital display of torque, and a ratchet pawl mechanism can also be arranged to realize unidirectional drive. The pitch of the external thread of the adjustment column and the internal thread of the threaded sleeve screwed therewith is small and can withstand a larger axial force (triangular tooth shape). The smaller pitch makes the vertical movement more precise, and the greater axial force makes the extrusion force on the strip casting higher and more stable, and the wrench can be fine-tuned during correction, thereby solving the rebound problem existing in the prior art and the problem of non-adjustability during the correction process.
[0006] The technical solution adopted by the utility model is:
[0007] A strip casting torsion correction device comprises a frame and a rotating clamping end, wherein the rotating clamping end is arranged at one side end of the frame, and is characterized in that a base is arranged at the upper end of the rotating clamping end, a threaded sleeve is arranged in the base, and an adjustment column is screwed and installed in the threaded sleeve; a wrench for rotating the adjustment column is fixed at the end of the adjustment column located above the threaded sleeve, and an extrusion head capable of limited vertical movement is arranged at the end of the adjustment column located below the base, and an upper extrusion die and a lower extrusion die are respectively arranged on the bottom surface of the extrusion head and at the position where the rotating clamping end below the extrusion head is aligned with the bottom surface of the extrusion head.
[0008] Furthermore: the frame is provided with a movable frame that can move along the guide rail, and a support frame is provided on the movable frame. A threaded sleeve is provided in the base provided at the upper end of the support frame, and the adjustment column is screwed into the threaded sleeve; a wrench for rotating the adjustment column is fixed to the end of the adjustment column located above the threaded sleeve, and an extrusion head that can limit vertical movement is provided at the end of the adjustment column located below the base, and an upper extrusion die and a lower extrusion die are respectively provided on the bottom surface of the extrusion head and at the position where the rotating clamping end below the extrusion head is aligned with the bottom surface of the extrusion head.
[0009] Furthermore: the rotation of the adjustment column can cause the extrusion head to move downward and cause the upper extrusion die and the lower extrusion die to clamp the strip casting placed therebetween.
[0010] Furthermore: the outer surface of the adjustment column is provided with external threads from top to bottom, and the external threads and the internal threads of the threaded sleeve are screwed together to enable the upper extrusion die and the lower extrusion die to clamp the strip casting.
[0011] Furthermore: a ratchet is fixedly mounted on the upper end of the adjusting column, and a wrench is rotatably mounted on the upper end of the adjusting column. The driving pawl installed on the wrench cooperates with the ratchet and can drive the adjusting column to rotate when the wrench rotates in one direction, and can rotate freely when the wrench rotates in another direction.
[0012] Further: the wrench is a digital torque wrench or a dial torque wrench.
[0013] The advantages and positive effects of the utility model are:
[0014] In the utility model, threaded sleeves are respectively installed on the rotating clamping end and the supporting frame on the movable frame, and the adjusting column is screwed into the threaded sleeve. A torque wrench is arranged on the upper end of the adjusting column to realize digital display of torque, and a ratchet pawl mechanism can also be arranged to realize unidirectional drive. The pitch of the external thread of the adjusting column and the internal thread of the threaded sleeve screwed therewith is small and can withstand a larger axial force (triangular tooth shape). The smaller pitch makes the vertical movement more precise, and the greater axial force makes the extrusion force on the strip casting higher and more stable, and the wrench can be fine-tuned during correction, thereby solving the rebound problem existing in the prior art and the problem of non-adjustability during the correction process. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the utility model;
[0016] Figure 2 yes Figure 1 Right side view of the mobile rack. DETAILED DESCRIPTION
[0017] The present invention is further described below in conjunction with the embodiments. The following embodiments are illustrative rather than restrictive, and the protection scope of the present invention cannot be limited by the following embodiments.
[0018] A strip casting torsion correction device comprises a frame 14 and a rotating clamping end 12, wherein the rotating clamping end is arranged at one end of the frame, a base 11 is arranged at the upper end of the rotating clamping end, a threaded sleeve 10 is arranged in the base, and an adjustment column 9 is screwed in the threaded sleeve; a wrench 8 for rotating the adjustment column is fixed at the end of the adjustment column above the threaded sleeve, an extrusion head 22 capable of limited vertical movement is arranged at the end of the adjustment column below the base, an upper extrusion die 25 and a lower extrusion die 23 are respectively arranged on the bottom surface of the extrusion head and at the position where the rotating clamping end below the extrusion head is aligned with the bottom surface of the extrusion head.
[0019] In addition to the rotating clamping end, a supporting frame 15 is also provided on the moving frame 20 which can move along the guide rail. Figure 2 As shown, a threaded sleeve 10 is arranged in a base 11 arranged at the upper end of the support frame, and the adjusting column 9 is screwed into the threaded sleeve; a wrench 8 for rotating the adjusting column is fixed to the end of the adjusting column located above the threaded sleeve, and an extrusion head 22 capable of limited vertical movement is arranged at the end of the adjusting column located below the base, and an upper extrusion die 25 and a lower extrusion die 23 are respectively arranged on the bottom surface of the extrusion head and at the position where the rotating clamping end below the extrusion head is aligned with the bottom surface of the extrusion head.
[0020] The rotation of the adjustment column can make the extrusion head move downward and make the upper extrusion die and the lower extrusion die clamp the strip casting 24 placed therebetween. The outer surface of the adjustment column is provided with external threads from top to bottom, and the external threads and the internal threads of the threaded sleeve are screwed together to make the upper extrusion die and the lower extrusion die clamp the strip casting. The pitch of the external thread of the adjustment column and the internal thread of the threaded sleeve screwed together are both small and can withstand greater axial force (for example: using a triangular tooth shape).
[0021] The wrench drives the adjusting column to rotate, and the adjusting column moves downward along the threaded sleeve. Due to the small pitch, the vertical movement of the adjusting column after each rotation is small, so that the extrusion head and the upper extrusion die move slower in the vertical direction and the moving distance is more precise, that is, the position of the upper extrusion die in the vertical direction can be fine-tuned, and appropriate extrusion force can be given when correcting strip castings with different degrees of distortion.
[0022] When the adjustment column moves downward to a suitable position in the vertical direction due to rotation, the upper extrusion die and the lower extrusion die clamp the strip casting, and the screwing fit between the external thread and the internal thread can withstand a greater axial force, such as using a triangular tooth shape. Even if the strip casting has a small twist during correction, the mutual pressing of the external thread and the internal thread in the axial direction can prevent a large change in the clamping force between the upper extrusion die and the lower extrusion die, and can still provide the strip casting with the required clamping force.
[0023] When the adjusting column and the wrench are connected, a ratchet and pawl mechanism 7 can be used, specifically: a ratchet is coaxially fixedly mounted on the upper end of the adjusting column (that is, the adjusting column and the ratchet can rotate synchronously), the wrench is in the shape of a long strip as a whole, and a ring structure arranged at one end of the wrench is rotatably mounted on the upper end of the adjusting column, and a driving pawl installed on the wrench close to the ratchet cooperates with the ratchet (the tip of the driving pawl is inserted between the teeth of the ratchet) and can drive the adjusting column to rotate when the wrench is rotated in one direction (clockwise), and can rotate freely when the wrench is rotated in the other direction (counterclockwise) (that is, the wrench rotates and the adjusting column does not move).
[0024] In order to facilitate understanding of the working state of the wrench, the wrench can be a digital torque wrench or a dial torque wrench, that is, the torque during the current rotation is displayed digitally or on a dial, so that the operator can understand the approximate extrusion force of the upper extrusion die and the lower extrusion die on the strip casting.
[0025] The T-shaped head or disc at the lower end 21 of the adjustment column extends into the groove formed in the extrusion head, and an upper cover is fixed at the upper opening of the groove with multiple bolts. The opening of the upper cover is located above the T-shaped head or disc, so that the adjustment column can rotate and drive the extrusion head to rise or fall.
[0026] The working process of the utility model is:
[0027] The strip casting is transported from the transport roller 1 into the frame.
[0028] The operator holds the two wrenches 8 on the rotating clamping end 12 and the support frame 15 and rotates them, the adjustment column 9 moves downward, the extrusion head 22 moves downward along the limit plate 16, the upper extrusion die 25 and the lower extrusion die 23 squeeze the strip casting 24, and observes the pointer on the digital display screen or the dial to ensure that the torque meets the requirements.
[0029] Start the main motor 2, rotate the clamping end, and drive the strip casting to rotate, while the other end of the strip casting is fixed by the upper extrusion die and the lower extrusion die at the support frame, and the twisted part rotates with the rotating clamping end and is torsionally corrected.
[0030] Loosen the wrench to loosen the strip casting from the upper extrusion die and the lower extrusion die. Rotate the conveyor roller to move the strip casting to another position to be adjusted. Repeat the above steps to perform torsion correction on another twisted part.
[0031] During each torsion correction process, the wrench can be fine-tuned to ensure that the torque meets the requirements, thereby solving the rebound problem existing in the prior art and the problem of non-adjustability during the correction process.
Claims
1. A strip casting torsion correction device, comprising a frame and a rotating clamping end, wherein the rotating clamping end is arranged at one end of the frame, characterized in that: A base is arranged at the upper end of the rotating clamping end, a threaded sleeve is arranged in the base, and an adjusting column is screwed and installed in the threaded sleeve; a wrench for rotating the adjusting column is fixed to the end of the adjusting column located above the threaded sleeve, and an extrusion head capable of limited vertical movement is arranged at the end of the adjusting column located below the base, and an upper extrusion die and a lower extrusion die are respectively arranged on the bottom surface of the extrusion head and at the position where the rotating clamping end below the extrusion head is aligned with the bottom surface of the extrusion head.
2. The strip casting torsion correction device according to claim 1, characterized in that: The frame is provided with a movable frame that can move along the guide rail, and the movable frame is provided with a support frame. A threaded sleeve is provided in a base provided at the upper end of the support frame, and the adjusting column is screwed and installed in the threaded sleeve; a wrench for rotating the adjusting column is fixed to the end of the adjusting column located above the threaded sleeve, and an extrusion head that can limit vertical movement is provided at the end of the adjusting column located below the base, and an upper extrusion die and a lower extrusion die are respectively provided on the bottom surface of the extrusion head and at the position where the rotating clamping end below the extrusion head is aligned with the bottom surface of the extrusion head.
3. The strip casting torsion correction device according to claim 1 or 2, characterized in that: The rotation of the adjustment column can move the extrusion head downward and enable the upper extrusion die and the lower extrusion die to clamp the strip casting placed therebetween.
4. The strip casting torsion correction device according to claim 3, characterized in that: The outer surface of the adjustment column is provided with external threads from top to bottom, and the external threads and the internal threads of the threaded sleeve are screwed together to enable the upper extrusion die and the lower extrusion die to clamp the strip casting.
5. The strip casting torsion correction device according to claim 1, 2 or 4, characterized in that: A ratchet is fixedly mounted on the upper end of the adjusting column, and a wrench is rotatably mounted on the upper end of the adjusting column. A driving pawl mounted on the wrench cooperates with the ratchet and can drive the adjusting column to rotate when the wrench rotates in one direction, and can rotate freely when the wrench rotates in another direction.
6. The strip casting torsion correction device according to claim 3, characterized in that: A ratchet is fixedly mounted on the upper end of the adjusting column, and a wrench is rotatably mounted on the upper end of the adjusting column. A driving pawl mounted on the wrench cooperates with the ratchet and can drive the adjusting column to rotate when the wrench rotates in one direction, and can rotate freely when the wrench rotates in another direction.
7. The strip casting torsion correction device according to claim 5, characterized in that: The wrench is a digital torque wrench or a dial torque wrench.
8. The strip casting torsion correction device according to claim 6, characterized in that: The wrench is a digital torque wrench or a dial torque wrench.