Cold-rolled strip steel uncoiling machine
By designing the extruded limit assembly and linkage shaft in the cold-rolled strip uncoiler, the upper and lower and left and right limit adjustments of the cold-rolled strip are achieved, solving the problem of post-tensioning offset in the prior art, and improving the Uncollect stability.
Patent Information
- Application Number
- CN202421091664.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-19
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-19
AI Technical Summary
It is difficult for existing cold-rolled strip uncoilers to achieve upper and lower and left and right limit tension adjustments to cold-rolled strips, resulting in easy deviation or minor movement after tensioning.
A cold-rolled strip uncoiler including an extruded limiting assembly is designed. Through the coordination of the linkage shaft and the tensioning arm, the upper and lower and left and right limit adjustments of the cold-rolled strip are achieved by using the drive motor and thread transmission to avoid bias. shift.
The stable upper and lower and left and right limit adjustments of cold-rolled strips are achieved, and the uncoiling stability is improved, and the offset or minor movements occur after tensioning are avoided.
Smart Images
Figure CN222241924U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of uncoilers, and more specifically, to a cold-rolled strip uncoiler. Background Art
[0002] The cold-rolled strip uncoiler plays an important role in the production of cold-rolled strip. During the rolling process, the uncoiler needs to provide sufficient uncoiler tension to ensure the stable operation of the strip in the unit. This tension helps to maintain the stability and continuity of the strip during the rolling process, thereby improving the quality of the strip.
[0003] After searching the existing published technical documents, the Chinese patent publication number CN206276738U discloses a coil uncoiler for cold-rolled strip production. The coil uncoiler is mainly provided with a screw in the guide groove, the screw is connected to the second motor, a moving platform is provided on the guide groove, the moving platform is threadedly connected to the screw, a loading platform is provided above the moving platform, and the moving platform and the loading platform are connected by a cylinder. The utility model is beneficial in that it can prevent the steel coil material from slipping during the uncoiling process, and at the same time, a steel coil transmission device is provided for the transportation and installation of the steel coil material, with a high degree of automation and saving manpower; however, the coil uncoiler has the following defects;
[0004] Although the uncoiler can adjust the tension of the cold-rolled strip when uncoiling it, it is difficult to adjust the upper and lower and left and right limit tension of the cold-rolled strip during the adjustment process. This causes the cold-rolled strip to easily deviate left and right or achieve vertical deviation micro-movement after tensioning. Therefore, a cold-rolled strip uncoiler is needed. Utility Model Content
[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a cold-rolled strip uncoiler.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cold-rolled strip uncoiler, comprising a support seat, a linkage shaft and a tensioning arm, wherein the linkage shaft is located inside the support seat and is fixedly connected, the outer wall of the linkage shaft and located at one side of the support seat is rotatably mounted with a tensioning arm, and the inner wall of the tensioning arm and near its bottom end is provided with an extrusion limiting assembly; the extrusion limiting assembly comprises a linkage support shaft arranged on the inner wall of the tensioning arm and near its bottom end, a limiting roller is rotatably connected to the outer wall of the linkage support shaft and located at one side of the tensioning arm, and a guide rectangular frame is fixedly connected to the other side of the tensioning arm and located below the linkage support shaft;
[0007] A connecting screw is rotatably installed on the inner wall of the guide rectangular frame, a driving motor for driving the connecting screw to rotate is fixedly installed on the top of the guide rectangular frame, and a threaded sleeve block vertically slidably connected to the guide rectangular frame is installed on the outer wall of the connecting screw, a support shaft is installed on one side of the threaded sleeve block, and an extrusion roller is rotatably installed on the outer wall of the support shaft through a bearing.
[0008] Preferably, the tensioning arm is fixedly connected to the linkage support shaft, and the center point of the linkage support shaft and the center point of the limiting roller are on the same horizontal line, the outer wall of the connecting screw and the inner wall of the threaded sleeve are connected by threaded transmission, and the outer wall of the threaded sleeve and the inner wall of the guide rectangular frame are polished and ground, an articulated block is fixedly installed at the bottom end of the tensioning arm near the middle position, and a rotatably connected articulated pillar is penetrated by the inner wall of the articulated block, the outer wall of the articulated pillar is hinged with an articulated electric cylinder at a position on one side of the articulated block, the inner wall of the articulated electric cylinder is penetrated with a rotatably connected articulated column near its bottom end, and the outer wall of the articulated column is fixedly connected to the inner wall of the support seat.
[0009] According to the technical scheme, when unwinding, the cold-rolled strip is placed in the gap between the limiting roller and the extrusion roller, the driving motor is started to drive the connecting screw to transmit, and the connecting screw drives the threaded sleeve to slide upward along the inner wall of the guide rectangular frame under the action of the thread, and the extrusion roller can squeeze the cold-rolled strip upward to the bottom end of the limiting roller, so that the cold-rolled strip can be firmly squeezed in the gap between the limiting roller and the extrusion roller, and the cold-rolled strip can be limited to the left and right. The articulated electric cylinder rotates on the articulated column, and the pushing end of the articulated electric cylinder causes the articulated support to carry the articulated block to move upward, and the articulated block drives the tensioning arm to squeeze the linkage support shaft upward, and the linkage support shaft drives the limiting roller to enable the cold-rolled strip to move upward, extrude and tension.
[0010] Preferably, a rotatably connected linkage shaft is embedded in one side of the support seat, and a support limit assembly is provided on the outer wall of the linkage shaft; the support limit assembly includes a plurality of inclined baffle rods installed on the outer wall of the linkage shaft, and a reinforcement ring is welded to one end of the inclined baffle rod, a reinforcement embedded ring is installed on the outer wall of the linkage shaft and at a position on one side of the inclined baffle rod, and the reinforcement embedded ring and the linkage shaft are detachably connected by bolts, a plurality of reinforcement rods are equidistantly embedded and installed on the outer wall of the reinforcement embedded ring in the form of a circular ring, and one end of the reinforcement rod is fixedly connected to the support ring, a plurality of the inclined baffle rods are welded to the linkage shaft, a plurality of the inclined baffle rods are arranged in a circular ring with equal distances, a plurality of the reinforcement rods are fixedly connected to the reinforcement embedded ring, and the vertical cross-section shape of the reinforcement ring and the support ring are both circular.
[0011] According to the technical solution, when uncoiling for use, the cold-rolled strip is placed on the outer wall of the linkage shaft, and the cold-rolled strip is located in the gap between the reinforcement embedded ring and the inclined baffle rod. After placement, the reinforcement embedded ring is locked and fixed to the linkage shaft using hexagon socket bolts, and multiple inclined baffle rods provide supporting force for the reinforcement ring, the reinforcement embedded ring provides supporting force for multiple reinforcement rods, and the reinforcement rods provide supporting force for the support ring.
[0012] Technical effects and advantages of the utility model:
[0013] 1. The utility model adopts an extrusion limiting assembly to place the cold-rolled steel strip in the gap between the limiting roller and the extrusion roller. The connecting screw drives the threaded sleeve to slide upward along the inner wall of the guide rectangular frame under the action of the thread. The extrusion roller can squeeze the cold-rolled steel strip upward to the bottom end of the limiting roller, which can not only realize the upper and lower limits of the cold-rolled steel strip, but also realize the left and right limits of the cold-rolled steel strip to adjust the tensioning force, so as to avoid the left and right deviation of the cold-rolled steel strip after tensioning or realize the vertical deviation micro-motion;
[0014] 2. The utility model adopts an extrusion limit assembly to make the cold-rolled steel strip located in the gap between the reinforcement embedded ring and the inclined baffle rod. After placement, the reinforcement embedded ring is locked and fixed with the linkage shaft using hexagon socket bolts. The linkage shaft provides support force for multiple inclined baffle rods, and multiple inclined baffle rods provide support force for the reinforcement ring. The reinforcement rod provides support force for the support ring, which can realize distributed front and rear limit support for the rolled cold-rolled steel strip, and greatly improve the unwinding stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 The utility model is a schematic diagram of the overall structure of a cold-rolled strip uncoiler.
[0016] Figure 2 It is a schematic diagram of the partial structure of the connection between the tensioning arm and the linkage support shaft of the utility model.
[0017] Figure 3 It is a schematic diagram of the local structure of the connection between the tensioning arm and the hinge block of the utility model.
[0018] Figure 4 The utility model is a schematic diagram of the main plane structure of a cold-rolled strip uncoiler.
[0019] Figure 5 It is a schematic diagram of the local structure of the vertical section of the linkage shaft of the utility model.
[0020] Figure 6 For the utility model Figure 5 Enlarged structural diagram at A in the middle.
[0021] The accompanying drawings are marked as follows: 1. support; 2. linked main shaft; 3. tensioning arm; 4. linked support shaft; 5. limit roller; 6. guide rectangular frame; 7. connecting screw; 8. drive motor; 9. threaded sleeve; 10. support shaft; 11. extrusion roller; 12. hinge block; 13. hinged support; 14. hinged electric cylinder; 15. hinged column; 16. linked rotating shaft; 17. tilting stop rod; 18. reinforcement ring; 19. reinforcement embedded ring; 20. reinforcement rod; 21. support ring. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] As attached Figure 1-6 A cold-rolled steel strip uncoiler is shown, and an extrusion limit assembly is arranged on the cold-rolled steel strip uncoiler. The extrusion limit assembly can realize upper and lower limit of the cold-rolled steel strip, and can also realize left and right limit adjustment of the tensioning force of the cold-rolled steel strip, so as to avoid left and right deviation of the cold-rolled steel strip after tensioning or realize vertical deviation micro-movement. The specific structural arrangement of each mechanism and assembly is as follows:
[0024] In this embodiment, as shown in the attached Figure 1-2 As shown, the extrusion limit assembly includes a linkage support shaft 4 arranged on the inner wall of the tensioning arm 3 and close to its bottom end, a limit roller 5 is rotatably connected to the outer wall of the linkage support shaft 4 and located at one side of the tensioning arm 3, and a guide rectangular frame 6 is fixedly connected to the other side of the tensioning arm 3 and located below the linkage support shaft 4; a connecting screw 7 is rotatably installed on the inner wall of the guide rectangular frame 6, a driving motor 8 for driving the connecting screw 7 to rotate is fixedly installed on the top of the guide rectangular frame 6, and a threaded sleeve block 9 vertically slidably connected to the guide rectangular frame 6 is installed on the outer wall of the connecting screw 7, a support shaft 10 is installed on one side of the threaded sleeve block 9, and an extrusion roller 11 is rotatably installed on the outer wall of the support shaft 10 through a bearing;
[0025] The method of using the cold-rolled strip uncoiler in the technical solution is as follows:
[0026] First, during installation, the support seat 1 provides support force to the linkage shaft 2, and the hexagon socket bolt on the reinforcement embedded ring 19 is removed by using an inner hexagon wrench, so that the reinforcement embedded ring 19 is moved to the left, and the cold-rolled strip steel can be placed on the outer wall of the linkage shaft 16 and located in the gap between the reinforcement embedded ring 19 and the tilting stopper 17. After placement, the reinforcement embedded ring 19 is locked and fixed to the linkage shaft 16 by the inner hexagon socket bolt;
[0027] During the limit tensioning, one end of the cold-rolled steel strip is placed at the entrance of the punching machine, and the cold-rolled steel strip is placed in the gap between the limit roller 5 and the extrusion roller 11. The drive motor 8 is started to drive the connecting screw 7 to drive. The connecting screw 7 drives the threaded sleeve 9 to slide upward along the inner wall of the guide rectangular frame 6 under the action of the thread. At the same time, the threaded sleeve 9 carries the support shaft 10 to move the extrusion roller 11 upward, and the extrusion roller 11 can squeeze the cold-rolled steel strip upward to the bottom end of the limit roller 5, so that the cold-rolled steel strip can be provided in the gap between the limit roller 5 and the extrusion roller 11. It is squeezed firmly, and the limiting roller 5 and the squeezing roller 11 can not only realize the upper and lower limiting of the cold-rolled strip, but also realize the left and right limiting of the cold-rolled strip. Then the articulated electric cylinder 14 is started, and the articulated electric cylinder 14 rotates on the articulated column 15, and the support seat 1 provides supporting force for the articulated column 15. The pushing end of the articulated electric cylinder 14 causes the articulated pillar 13 to carry the articulated block 12 to move upward. At the same time, the articulated block 12 drives the tensioning arm 3 to squeeze the linkage support shaft 4 upward, and the linkage support shaft 4 drives the limiting roller 5 to make the cold-rolled strip move upward, extrude and tension, so as to realize vertical tension adjustment of the cold-rolled strip.
[0028] In this embodiment, as shown in the attached Figure 3 As shown, an articulated block 12 is fixedly installed at the bottom end of the tensioning arm 3 and near the middle thereof, and a rotatably connected articulated pillar 13 is penetrated through the inner wall of the articulated block 12, an articulated electric cylinder 14 is hingedly connected to the outer wall of the articulated pillar 13 and is located on one side of the articulated block 12, and a rotatably connected articulated column 15 is penetrated through the inner wall of the articulated electric cylinder 14 and near its bottom end, the outer wall of the articulated column 15 is fixedly connected to the inner wall of the support seat 1, so that the articulated electric cylinder 14 can rotate on the articulated column 15, and the support seat 1 provides supporting force for the articulated column 15, the pushing end of the articulated electric cylinder 14 causes the articulated pillar 13 to carry the articulated block 12 to move upward, and at the same time, the articulated block 12 drives the tensioning arm 3 to squeeze the linkage support shaft 4 upward, thereby realizing the tensioning adjustment operation of the tensioning arm 3.
[0029] In this embodiment, as shown in the attached Figure 4-6As shown, a rotatably connected linkage shaft 16 is embedded in one side of the support seat 1, and a support limit assembly is provided on the outer wall of the linkage shaft 16; the support limit assembly includes a plurality of inclined baffles 17 installed on the outer wall of the linkage shaft 16, and a reinforcement ring 18 is welded to one end of the inclined baffle 17, a reinforcement embedded ring 19 is installed on the outer wall of the linkage shaft 16 and at a position on one side of the inclined baffle 17, and the reinforcement embedded ring 19 and the linkage shaft 16 are detachably connected by bolts, a plurality of reinforcement rods 20 are embedded and installed on the outer wall of the reinforcement embedded ring 19 in a circular ring at equal intervals, and a support ring 21 is fixedly connected to one end of the reinforcement rod 20, a plurality of inclined baffles 17 are welded to the linkage shaft 16, a plurality of inclined baffles 17 are arranged in a circular ring at equal intervals, a plurality of reinforcement rods 20 are fixedly connected to the reinforcement embedded ring 19, and the vertical cross-section shape of the reinforcement ring 18 and the support ring 21 are both circular rings;
[0030] According to the above technical solution, when in use, the reinforcement embedded ring 19 is moved to the left, and the cold-rolled strip can be placed on the outer wall of the linkage shaft 16, and the cold-rolled strip is located in the gap between the reinforcement embedded ring 19 and the inclined baffle rod 17. After placement, the reinforcement embedded ring 19 is locked and fixed to the linkage shaft 16 by using the hexagon socket bolts. The linkage shaft 16 provides support force for multiple inclined baffle rods 17, and multiple inclined baffle rods 17 provide support force for the reinforcement ring 18. The reinforcement embedded ring 19 provides support force for multiple reinforcement rods 20, and the reinforcement rods 20 provide support force for the support ring 21, so as to realize distributed front and rear limit support for the rolled cold-rolled strip.
[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A cold-rolled strip uncoiler, comprising a support base (1), a linkage shaft (2) and a tensioning arm (3), wherein the linkage shaft (2) is located inside the support base (1) and is fixedly connected, and the tensioning arm (3) is rotatably mounted on the outer wall of the linkage shaft (2) and located at one side of the support base (1), characterized in that: An extrusion limiter assembly is provided on the inner wall of the tensioning arm (3) and near its bottom end; The extrusion limiting assembly comprises a linkage support shaft (4) arranged on the inner wall of the tensioning arm (3) and close to the bottom end thereof, a limiting roller (5) is rotatably connected to the outer wall of the linkage support shaft (4) and located at one side of the tensioning arm (3), and a guide rectangular frame (6) is fixedly connected to the other side of the tensioning arm (3) and located below the linkage support shaft (4); A connecting screw (7) is rotatably mounted on the inner wall of the guide rectangular frame (6), a driving motor (8) for driving the connecting screw (7) to rotate is fixedly mounted on the top of the guide rectangular frame (6), and a threaded sleeve (9) vertically slidably connected to the guide rectangular frame (6) is mounted on the outer wall of the connecting screw (7), a support shaft (10) is mounted on one side of the threaded sleeve (9), and an extrusion roller (11) is rotatably mounted on the outer wall of the support shaft (10) via a bearing.
2. The cold-rolled strip uncoiler according to claim 1, characterized in that: The tensioning arm (3) is fixedly connected to the linkage support shaft (4), and the center point of the linkage support shaft (4) and the center point of the limiting roller (5) are on the same horizontal line.
3. The cold-rolled strip uncoiler according to claim 1, characterized in that: The outer wall of the connecting screw (7) and the inner wall of the threaded sleeve (9) are connected via threaded transmission, and the outer wall of the threaded sleeve (9) and the inner wall of the guide rectangular frame (6) are both polished and ground.
4. The cold-rolled strip uncoiler according to claim 1, characterized in that: An articulated block (12) is fixedly installed at the bottom end of the tensioning arm (3) and near its middle position, and a rotatably connected articulated support (13) is passed through the inner wall of the articulated block (12), an articulated electric cylinder (14) is articulated on the outer wall of the articulated support (13) and is located at a side of the articulated block (12), and a rotatably connected articulated column (15) is passed through the inner wall of the articulated electric cylinder (14) and near its bottom end, and the outer wall of the articulated column (15) is fixedly connected to the inner wall of the support seat (1).
5. The cold-rolled strip uncoiler according to claim 1, characterized in that: A rotatably connected linkage shaft (16) is embedded in one side of the support seat (1), and a support limit assembly is provided on the outer wall of the linkage shaft (16); The support and limit assembly comprises a plurality of inclined baffles (17) mounted on the outer wall of the linkage shaft (16), and a reinforcement ring (18) is welded to one end of the inclined baffles (17); a reinforcement embedding ring (19) is mounted on the outer wall of the linkage shaft (16) and located on one side of the inclined baffles (17), and the reinforcement embedding ring (19) is detachably connected to the linkage shaft (16) by bolts; a plurality of reinforcement rods (20) are embedded and mounted in a circular ring at equal intervals on the outer wall of the reinforcement embedding ring (19), and one end of the reinforcement rod (20) is fixedly connected to a support ring (21).
6. The cold-rolled strip uncoiler according to claim 5, characterized in that: The plurality of inclined blocking rods (17) are all welded to the linkage rotating shaft (16), and the plurality of inclined blocking rods (17) are arranged and distributed equidistantly in a circular ring.
7. The cold-rolled strip uncoiler according to claim 5, characterized in that: The plurality of reinforcement rods (20) are fixedly connected to the reinforcement embedding ring (19), and the vertical cross-section shapes of the reinforcement ring (18) and the support ring (21) are both circular.