Diameter-increasing sleeve with jaw and coiling machine
By designing a diameter-increasing sleeve with jaws, and utilizing the expansion and contraction hydraulic cylinder of the coiler to adapt to strips of different inner diameters, the problems of high cost of multiple machines and deep strip penetration were solved, achieving efficient winding and unwinding.
Patent Information
- Application Number
- CN202520388089.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-03-06
AI Technical Summary
Existing coilers require multiple units when processing strips of different inner diameters, resulting in high costs and the strip head extending into the coiler, which is not conducive to unwinding and rewinding into the next process.
Design a diameter-increasing sleeve with jaws, including multiple sector plates and a clamping mechanism. The strip head is clamped by a strip head clamping mechanism, and the sleeve expands and contracts using the expansion and contraction hydraulic cylinder of the coiler, adapting to the coiling of strips with different inner diameters.
This technology enables a single coiler to adapt to winding strip steel of different diameters, improves changeover speed, reduces economic costs, avoids strip growth, and facilitates unloading and loading into the next process.
Smart Images
Figure CN223833151U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of winding machine technology, specifically to an increasing diameter sleeve with jaws and a winding machine. Background Technology
[0002] Currently, in continuous strip steel production lines in the metallurgical industry, there are coilers used to roll the processed strip steel into coils. Depending on the properties of the strip steel material, for strip steel exceeding a certain thickness, the coiler drum with jaws is generally used for coiling. However, due to process requirements, the inner diameter of the strip steel to be coiled by the coiler is sometimes not a fixed value. Setting up two coilers is obviously unreasonable in terms of cost. The original diameter-increasing sleeve itself does not have jaws, and the jaws of the coiler itself are required. This inevitably results in the strip head (commonly known as the strip tongue) extending longer into the coiler after adding the sleeve, which is not conducive to uncoiling, especially not conducive to the coiling of the next process. Utility Model Content
[0003] The present invention aims to provide a diameter-increasing sleeve with jaws to solve the above-mentioned technical problems.
[0004] To achieve the above objectives, the technical solution of this utility model is as follows: a diameter-increasing sleeve with jaws, used to be sleeved on the outside of the coiler drum, comprising multiple sector plates and a clamping mechanism. The multiple sector plates are connected by the clamping mechanism to form a complete circular sleeve with adjustable diameter. The sector plates are divided into a first sector plate, a second sector plate with a pushing part, and a third sector plate with jaws. A strip head clamping mechanism is installed at the jaw of the third sector plate. The strip head clamping mechanism is used to clamp the strip head in the jaw. The second sector plate and the third sector plate are arranged adjacent to each other, so that the pushing part of the second sector plate and the jaw of the third sector plate are relatively engaged. The pushing part of the second sector plate is used to push the strip head clamping mechanism to move to loosen the strip head in the jaw.
[0005] Preferably, the strip clamping mechanism includes a first elastic element, a guide rod, and a clamping block. The guide rod is fixedly installed at the jaws, and the clamping block is slidably disposed at one end of the guide rod. The first elastic element is installed on the guide rod and is used to drive the clamping block to move in a radially outward direction to clamp the strip head in the jaws.
[0006] Preferably, the jaws include a clamping groove and a receiving groove that are interconnected, a guide rod is installed in the receiving groove, and the clamping block is slidably disposed in the clamping groove.
[0007] Preferably, the first elastic element is a first spring sleeved outside the guide rod, and the two ends of the first spring abut against the bottom wall of the receiving groove and the clamping block, respectively.
[0008] Preferably, the clamping block has an isosceles trapezoidal cross section, with the left and right sides of the clamping block being the clamping inclined surface and the transmission inclined surface, respectively. The pushing part of the second sector plate is an inclined surface. The transmission inclined surface and the inclined surface are parallel to each other and abut against each other. The clamping inclined surface and the side wall of the clamping groove are parallel to each other. The first elastic element is used to drive the clamping block to move in a radially outward direction to clamp the strip head between the side wall of the clamping groove and the clamping inclined surface.
[0009] Preferably, there are multiple first sector plates, and one second sector plate and one third sector plate. The multiple first sector plates are connected in sequence, and the two first sector plates located at the edge are connected to the second sector plate and the third sector plate respectively.
[0010] Preferably, the clamping mechanism includes a guide telescopic rod and a second elastic element installed on the guide telescopic rod. The guide telescopic rod is telescopically arranged between two adjacent sector plates, and the second elastic element is used to drive the guide telescopic rod to extend and retract to return to its original position.
[0011] Preferably, the fan-shaped plate has receiving holes on both sides of its edge, and the two ends of the guide telescopic rod are respectively installed in two close receiving holes on two adjacent fan-shaped plates. The second elastic element is a second spring, which is respectively sleeved on the guide telescopic rod in the two receiving holes.
[0012] Preferably, the end of the guide telescopic rod is provided with an enlarged diameter limiting component, one end of the receiving hole extends radially inward to form a limiting step, and the two ends of the second spring abut against and cooperate with the enlarged diameter limiting component and the limiting step of the guide telescopic rod, respectively.
[0013] This utility model discloses a winding machine, which includes a diameter-increasing sleeve with jaws as described above and a winding drum, wherein the diameter-increasing sleeve is sleeved on the outside of the winding drum.
[0014] This utility model has the following beneficial effects:
[0015] (1) This utility model can achieve the winding of strip steel of different diameters without the need to set up multiple coilers, and makes the replacement speed of strip steel of different diameters faster and the economic cost lower. At the same time, it can avoid the growth of the strip head, and facilitate unwinding and rewinding in the next process.
[0016] (2) The cross-section of the clamping block is an isosceles trapezoid. The left and right sides of the clamping block are the clamping inclined surface and the transmission inclined surface, respectively. The pushing part of the second sector plate is an inclined surface. The transmission inclined surface and the inclined surface are parallel to each other and abut against each other. The clamping inclined surface and the side wall of the clamping groove are parallel to each other. The first spring is used to drive the clamping block to move in a radially outward direction to clamp the strip head between the side wall of the clamping groove and the clamping inclined surface, so that the clamping effect of the strip head is more stable and reliable, and the loosening process can also be smooth, avoiding jamming. Attached Figure Description
[0017] Figure 1 This is a cross-sectional view of an increasing diameter sleeve with jaws according to an embodiment of this utility model.
[0018] Figure 2 This is a schematic diagram of an embodiment of the present invention, showing an expanding sleeve with jaws in an expanded state.
[0019] Figure 3 This is a schematic diagram of an embodiment of the present invention, showing an increasing-diameter sleeve with jaws in a decreasing-diameter state.
[0020] Figure labels: 1 First sector plate, 2 Second sector plate, 3 Third sector plate, 4 Pushing part, 5 Jaw, 51 Clamping groove, 511 Groove sidewall, 52 Receiving groove, 6 Head clamping mechanism, 61 First elastic element, 62 Guide rod, 63 Clamping block, 631 Clamping inclined surface, 632 Transmission inclined surface, 7 Clamping mechanism, 71 Guide telescopic rod, 72 Second elastic element, 8 Receiving hole, 9 Enlarged diameter limiting element, 10 Limiting step. Detailed Implementation
[0021] To further illustrate the various embodiments, the present invention provides accompanying drawings. These drawings are part of the disclosure of the present invention and are mainly used to illustrate the embodiments, and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these drawings, those skilled in the art should be able to understand other possible implementations and the advantages of the present invention. Components in the drawings are not drawn to scale, and similar component symbols are generally used to represent similar components.
[0022] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0024] See Figure 1-3 As shown in the figure, as an embodiment of the present invention, a diameter-increasing sleeve with jaws is provided for sleeved on the outside of the coil of a winding machine. It includes multiple sector plates and a clamping mechanism 7. The multiple sector plates are connected by the clamping mechanism 7 to form a complete circular sleeve with adjustable diameter. The sector plates are divided into a first sector plate 1, a second sector plate 2 with a pushing part 4, and a third sector plate 3 with jaws 5. A strip head clamping mechanism 6 is installed at the jaws 5 of the third sector plate 3. The strip head clamping mechanism 6 is used to clamp the strip head in the jaws 5. The second sector plate 2 and the third sector plate 3 are connected adjacently, so that the pushing part 4 of the second sector plate 2 and the jaws 5 of the third sector plate 3 are relatively engaged. The pushing part 4 of the second sector plate 2 is used to push the strip head clamping mechanism 6 to move to loosen the strip head in the jaws 5.
[0025] This utility model's diameter-increasing sleeve with jaws 5 is unpowered. It utilizes the expansion and contraction hydraulic cylinder of the coiler to expand and contract the coiling drum, thereby completing the expansion and contraction of the diameter-increasing sleeve and the opening and closing of the jaws 5. When the coiler needs to coil strip with a small inner diameter, the diameter-increasing sleeve is not required; the strip with a small inner diameter can be directly wound onto the outside of the coiler's drum. When the coiler needs to coil strip with a large inner diameter, the diameter-increasing sleeve is placed over the outside of the coiler's drum, and the jaws 5 of the diameter-increasing sleeve grip and fix the end of the strip with a large inner diameter, thus winding the strip onto the outside of the diameter-increasing sleeve and completing the coiler's winding function. This design eliminates the need for multiple coilers to wind strip with different diameters, resulting in faster changes between different diameter strips, lower economic costs, and prevention of strip end elongation, facilitating unwinding and rewinding for the next process.
[0026] In this embodiment, the strip clamping mechanism 6 includes a first elastic element 61, a guide rod 62, and a clamping block 63. The guide rod 62 is fixedly installed at the jaws 5, and the clamping block 63 is slidably disposed at one end of the guide rod 62. The first elastic element 61 is installed on the guide rod 62 and is used to drive the clamping block 63 to move radially outward to clamp the strip head in the jaws 5. Specifically, the jaws 5 include a clamping groove 51 and a receiving groove 52 that are interconnected. The guide rod 62 is installed in the receiving groove 52, and the clamping block 63 is slidably disposed in the clamping groove 51. The first elastic element 61 is a first spring sleeved on the guide rod 62, and the two ends of the first spring are respectively connected to the receiving groove. The bottom wall of the groove 52 and the clamping block 63 abut against each other; the cross section of the clamping block 63 is an isosceles trapezoid, and the left and right sides of the clamping block 63 are the clamping inclined surface 631 and the transmission inclined surface 632, respectively. The pushing part 4 of the second sector plate 2 is an inclined surface. The transmission inclined surface 632 and the inclined surface are parallel to each other and abut against each other. The clamping inclined surface 631 and the groove side wall 511 of the clamping groove 51 are parallel to each other. The first spring is used to drive the clamping block 63 to move in a radially outward direction to clamp the strip head between the groove side wall 511 of the clamping groove 51 and the clamping inclined surface 631. This setting makes the clamping effect of the strip head more stable and reliable, and the loosening process can also be smooth, avoiding jamming. When the winding machine's drum expands in diameter, it drives the expansion sleeve to expand in diameter as well. This causes the inclined surface of the second sector plate 2 and the clamping groove 51 of the third sector plate 3 to move away from each other. Under the elastic force of the first spring, the clamping block 63 is driven to move radially outward on the guide rod 62. This gradually reduces the gap between the side wall 511 of the clamping groove 51 and the clamping inclined surface 631, thereby clamping the strip head between the side wall 511 of the clamping groove 51 and the clamping inclined surface 631. When the winding machine's drum shrinks in diameter, it drives the shrinking of the diameter-increasing sleeve, causing the inclined surface of the second sector plate 2 and the clamping groove 51 of the third sector plate 3 to approach each other. The inclined surface of the second sector plate 2 pushes the clamping block 63 to move radially inward on the guide rod 62 (at this time, the first spring is in a compressed state), thereby gradually increasing the gap between the groove side wall 511 of the clamping groove 51 and the clamping inclined surface 631, and then loosening and releasing the strip head in the jaw 5.
[0027] In this embodiment, there are multiple first sector plates 1, and one second sector plate 2 and one third sector plate 3. The multiple first sector plates 1 are connected sequentially, and the two first sector plates 1 located at the edges are respectively connected to the second sector plate 2 and the third sector plate 3 through clamping mechanisms 7. Of course, it is also possible to have only one first sector plate 1, which can be adjusted according to actual needs and is not limited here.
[0028] In this embodiment, the clamping mechanism 7 includes a guide telescopic rod 71 and a second elastic element 72 mounted on the guide telescopic rod 71. The guide telescopic rod 71 is telescopically disposed between two adjacent sector plates, and the second elastic element 72 is used to drive the guide telescopic rod 71 to extend and retract. Specifically, receiving holes 8 are respectively provided on both sides of the edge of the sector plate. The two ends of the guide telescopic rod 71 are respectively installed in two adjacent receiving holes 8 on two adjacent sector plates. The second elastic element 72 is a second spring, which is respectively sleeved on the guide telescopic rod 71 in the two receiving holes 8. An enlarged diameter limiting element 9 is provided at the end of the guide telescopic rod 71. One end of the receiving hole 8 extends radially inward to form a limiting step 10. The two ends of the second spring abut against the enlarged diameter limiting element 9 and the limiting step 10 of the guide telescopic rod 71, respectively. This arrangement makes the movement accuracy of each sector plate higher and more balanced and stable when the diameter-enhancing sleeve expands and contracts.
[0029] This utility model also provides a winding machine, including the diameter-increasing sleeve with jaws 5 and the drum as described in the above embodiment. The diameter-increasing sleeve is sleeved on the outside of the drum. This arrangement can realize the winding of strip steel with different diameters without the need for multiple winding machines, and makes the replacement speed of strip steel with different diameters faster and the economic cost lower. At the same time, it can avoid the growth of the strip head, and facilitate unwinding and winding for the next process.
[0030] Although the present invention has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that any changes in form and detail made to the present invention without departing from the spirit and scope of the present invention as defined in the appended claims fall within the protection scope of the present invention.
Claims
1. A diameter-increasing sleeve with jaws, used for sleeved on the outside of the drum of a winding machine, characterized in that: It includes multiple sector plates and a clamping mechanism. The multiple sector plates are connected by the clamping mechanism to form a complete circular sleeve with an adjustable diameter. The sector plates are divided into a first sector plate, a second sector plate with a pushing part, and a third sector plate with jaws. A strip head clamping mechanism is installed at the jaws of the third sector plate. The strip head clamping mechanism is used to clamp the strip head in the jaws. The second sector plate and the third sector plate are connected adjacently, so that the pushing part of the second sector plate and the jaws of the third sector plate are relatively engaged. The pushing part of the second sector plate is used to push the strip head clamping mechanism to move to loosen the strip head in the jaws.
2. The diameter-increasing sleeve with jaws according to claim 1, characterized in that: The strip clamping mechanism includes a first elastic element, a guide rod, and a clamping block. The guide rod is fixedly installed at the jaws, and the clamping block is slidably disposed at one end of the guide rod. The first elastic element is installed on the guide rod and is used to drive the clamping block to move radially outward to clamp the strip head in the jaws.
3. The diameter-increasing sleeve with jaws according to claim 2, characterized in that: The jaws include a clamping groove and a receiving groove that are interconnected. A guide rod is installed in the receiving groove, and the clamping block is slidably disposed in the clamping groove.
4. The diameter-increasing sleeve with jaws according to claim 3, characterized in that: The first elastic element is a first spring sleeved outside the guide rod, with both ends of the first spring abutting against the bottom wall of the receiving groove and the clamping block, respectively.
5. The diameter-increasing sleeve with jaws according to claim 2, characterized in that: The clamping block has an isosceles trapezoidal cross section. The left and right sides of the clamping block are clamping inclined surfaces and transmission inclined surfaces, respectively. The pushing part of the second sector plate is an inclined surface. The transmission inclined surface and the inclined surface are parallel to each other and abut against each other. The clamping inclined surface and the side wall of the clamping groove are parallel to each other. The first elastic element is used to drive the clamping block to move in a radially outward direction to clamp the strip head between the side wall of the clamping groove and the clamping inclined surface.
6. The diameter-increasing sleeve with jaws according to claim 1, characterized in that: There are multiple first sector plates, and one second sector plate and one third sector plate. The multiple first sector plates are connected in sequence, and the two first sector plates located at the edge are connected to the second sector plate and the third sector plate respectively.
7. The diameter-increasing sleeve with jaws according to claim 1, characterized in that: The clamping mechanism includes a guide telescopic rod and a second elastic element installed on the guide telescopic rod. The guide telescopic rod is telescopically positioned between two adjacent sector plates, and the second elastic element is used to drive the guide telescopic rod to extend and retract to return to its original position.
8. The diameter-increasing sleeve with jaws according to claim 7, characterized in that: The edge of the sector plate is provided with receiving holes on both sides. The two ends of the guide telescopic rod are respectively installed in the two receiving holes that are close to each other on the two adjacent sector plates. The second elastic element is the second spring, which is respectively sleeved on the guide telescopic rod in the two receiving holes.
9. A diameter-increasing sleeve with jaws according to claim 8, characterized in that: The end of the guide telescopic rod is provided with an enlarged diameter limiting component, and one end of the receiving hole extends radially inward to form a limiting step. The two ends of the second spring abut against the enlarged diameter limiting component and the limiting step of the guide telescopic rod, respectively.
10. A winding machine, characterized in that: It includes the diameter-increasing sleeve and the drum with jaws as described in any one of claims 1-9, wherein the diameter-increasing sleeve is sleeved on the outside of the drum.