Rounding tool

Abstract

The utility model relates to a circle folding tool which comprises a driving rotating assembly, a fixing piece, two driven rotating assemblies, a lifting assembly and a displacement adjusting assembly, the driving rotating assembly comprises a driving roller and a movable pressing block, and the driving roller is connected with the movable pressing block; the fixing piece is located under the movable pressing block. The driven rotating assembly is arranged on the fixing piece and comprises driven rollers, the two driven rollers are arranged side by side, the driving roller is located over the position between the two driven rollers, and the driving roller and the driven rollers can rotate around the axes of the driving roller and the driven rollers; the lifting assembly is connected with the movable pressing block and used for driving the driving rotating assembly to move in the vertical direction. The displacement adjusting assembly is used for driving at least one driven rotating assembly to move in the second direction, and the first direction is perpendicular to the second direction. According to the circle bending tool, the diameter of a bent circle can be controlled, and the circle bending precision is improved; and potential safety hazards caused by manual circle folding are avoided, and efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a circle folding tool. Background Art

[0002] In textile factories and polyester workshops, steel cylinders or other facilities need to be made into safety retaining rings. When making chimneys, exhaust ducts, funnels, etc., they all need to bend and buckle the edges. The round materials are generally bent using steel pipes (or steel strips). Manual bending of steel pipes cannot reach the standard round shape, and there is no protection when bending, and the force-bearing surface is small, which can easily lead to accidents. In chemical production enterprises, chemical pipelines need to make pipe brackets for semi-circular bending, and manual production cannot meet the precision requirements. If it is outsourced, there are problems such as long cycle and high cost. Utility Model Content

[0003] The utility model aims to provide a folding tool to solve the problem that the manual folding precision of welders in chemical enterprises cannot meet the requirements, the outsourcing processing cycle is long and the cost is high.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A folding tool, comprising:

[0006] An active rotating assembly, wherein the active rotating assembly comprises an active roller and a movable pressing block, wherein the active roller is connected to the movable pressing block, and the active roller can rotate around its own axis;

[0007] A fixing member, the fixing member being located directly below the movable pressing block;

[0008] Two driven rotating components, the driven rotating components are arranged on the fixing member, the driven rotating components include driven rollers, the two driven rollers are arranged side by side, the driving roller is located directly above the two driven rollers, the driven rollers can rotate around their own axes, and the center lines of the driven rollers and the driving rollers both extend along the first direction;

[0009] A lifting assembly, the lifting assembly is connected to the moving pressing block to drive the active rotating assembly to move in a vertical direction;

[0010] A displacement adjustment component, wherein the displacement adjustment component is used to drive at least one of the driven rotating components to move along a second direction, and the first direction is perpendicular to the second direction.

[0011] In some embodiments, the driven rotating assembly also includes a connecting block, the driven roller is connected to the connecting block via a connecting shaft, and the connecting block is arranged on the fixing member; the displacement adjustment assembly includes an adjusting screw and a limit block, the adjusting screw and the connecting shaft are both connected to the connecting block, the adjusting screw is perpendicular to the connecting shaft, the limit block is arranged in the connecting block, and the limit block is provided with a limit groove for accommodating one end of the adjusting screw.

[0012] In some embodiments, the limit block is formed by splicing a front half limit block and a rear half limit block, and the front half limit block and the rear half limit block are connected by fasteners.

[0013] In some embodiments, the fixing member is in a cubic shape, and has a front side and a rear side arranged opposite to each other. The front side of the fixing member is provided with a receiving groove, and the connecting block is arranged in the receiving groove; the rear side of the fixing member is provided with a through hole for the connecting shaft to pass through, the receiving groove is farther away from the driven roller than the through hole, and the receiving groove is connected with the through hole.

[0014] In some embodiments, a scale is provided on the front side of the fixing member, the scale is arranged in a horizontal direction, and an indicator is provided on the connecting block connected to the adjusting screw.

[0015] In some embodiments, the tooling further comprises a ruler, the ruler is disposed on the same side of the movable pressing block and the fixing member, the ruler extends in a vertical direction, and an indicator line is disposed on the movable pressing block.

[0016] In some embodiments, the driven rotating assembly further includes a bearing, the bearing is sleeved on the connecting shaft, the bearing is located in the driven roller, and the driven roller and the bearing can rotate relative to the connecting shaft.

[0017] In some embodiments, the lifting mechanism assembly includes a screw and a handwheel, one end of the screw passes through the movable pressure block and is connected to the fixed member, the screw extends in a vertical direction, and the handwheel is arranged at the other end of the screw and is threadedly connected to the screw.

[0018] In some embodiments, the handwheel includes a sleeve and a rod body, the sleeve is sleeved on the screw rod, the rod body is connected to the sleeve, the opposite ends of the rod body are respectively located at the opposite ends of the screw rod, and the rod body is perpendicular to the sleeve.

[0019] In some embodiments, the tooling further includes a guide rod and an elastic member, wherein the guide rod is parallel to the screw rod, one end of the guide rod is fixedly connected to the fixing member, the other end of the guide rod passes through the movable pressure block, and the movable pressure block can move along the guide rod; the elastic member is sleeved outside the guide rod, one end of the elastic member is abutted against the movable pressure block, and the other end of the elastic member is abutted against the fixing member.

[0020] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0021] The utility model provides a folding tool, in which a lifting component is connected with a movable pressure block to drive an active rotating component to move in a vertical direction, and a displacement adjustment component is connected with a connecting shaft to drive a driven roller to move along a second direction, so that the diameter of the bending circle can be controlled and the folding accuracy can be improved; the safety hazards caused by manual folding can be solved and the working efficiency can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Attached Figure 1 A structural diagram of the folding tool provided by the utility model from the first perspective;

[0023] Attached Figure 2 A structural diagram of the folding tool provided by the utility model from a second perspective;

[0024] Attached Figure 3 A structural diagram of the folding tool provided by the utility model from a third perspective;

[0025] Attached Figure 4 A front view of the folding tool provided by the utility model;

[0026] Attached Figure 5 A rear view of the folding tool provided by the utility model;

[0027] Attached Figure 6 A structural diagram of a driven roller and a connecting block of the folding tool provided by the utility model;

[0028] Attached Figure 7 A structural diagram of another driven roller and a connecting block of the folding tool provided by the utility model;

[0029] Attached Figure 8 A structural diagram of the adjusting screw of the folding tool provided by the utility model;

[0030] Attached Fig. 9 This is a structural diagram of the limit block of the folding tool provided by the utility model.

[0031] In the above attached figure:

[0032] 1-base plate; 2-fixing part; 3-driven roller; 4-screw rod; 5-guide rod; 6-movable pressure block, 61-main body, 62-extension part; 7-driving roller; 8-handle; 9-sleeve; 10-rod body; 11-ruler; 12-connecting block; 13-adjusting screw; 14-elastic part; 15-handheld part; 16-connecting shaft; 17-bearing; 18-bolt and nut assembly; 19-scale; 20-indicator; 21-indicator line; 22-front half limit block, rear half limit block, 221-limiting groove; 23-fastener; 24-limiting plate. DETAILED DESCRIPTION

[0033] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0034] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0035] See also Figure 1-Figure 9 A folding tool is shown, which includes an active rotating component, a fixed component 2, two driven rotating components, a lifting component, and a displacement adjustment component, wherein: the active rotating component includes an active roller 7 and a movable pressure block 6, the active roller 7 is connected to the movable pressure block 6, and the active roller 7 can rotate around its own axis; the fixed component 2 is located directly below the movable pressure block 6.

[0036] Two driven rotating components are arranged side by side, and the driven rotating components are arranged on the fixed member 2, wherein at least one driven rotating component can be slidably arranged on the fixed member 2 along the second direction. Two driven rollers 3 are arranged side by side (the center lines of the two driven rollers 3 are parallel), and the driving roller 7 is located directly above the two driven rollers 3, and the driven rollers 3 and the driving rollers 7 can both rotate around their own axes, and the center lines of the driven rollers 3 and the driving rollers 7 extend along the first direction (such as the X axis); the lifting component is connected to the moving pressing block 6 to drive the driving rotating component to move in the vertical direction; the displacement adjustment component is used to drive at least one driven rotating component to move along the second direction (such as the Y axis).

[0037] The driven rotating assembly also includes a connecting block 12, and the driven roller 3 is connected to the connecting block 12 via a connecting shaft 16. The connecting block 12 is arranged on the fixing member 2, and the two driven rollers 3 each correspond to a connecting shaft 16. The two connecting shafts 16 are arranged in parallel, and the connecting shafts 16 extend along the first direction.

[0038] In one embodiment, the displacement adjustment component includes an adjustment screw 13 and a limit block. The adjustment screw 13 and the connecting shaft 16 are connected to the connecting block 12. The adjustment screw 13 is perpendicular to the connecting shaft 16. The limit block is arranged in the connecting block 12. The limit block is provided with a limit groove 221 for accommodating one end of the adjustment screw 13. The other end of the adjustment screw 13 can be provided with a hand-held portion 15. The hand-held portion 15 is in the shape of a disk. The diameter of the hand-held portion 15 is larger than the diameter of the adjustment screw 13. The hand-held portion 15 can be a nut. The center lines of the active roller 7 and the driven roller 3 and the axis of the connecting shaft 16 in this example extend along the X-axis direction, and the adjustment screw 13 extends along the second direction (such as the Y-axis). The hand-held portion 15 is provided to facilitate the operation of the adjustment screw 13 and to facilitate the adjustment of the moving distance of the driven rotating component. When adjusting a driven rotating component to move along the Y axis, the adjusting screw 13 is rotated, and the adjusting screw 13 can rotate relative to the limit block. The rotation of the adjusting screw 13 drives a driven rotating component to move horizontally at the same time. The limit block is set, and the connecting block 12 moves without rotating therewith.

[0039] In this example, the limit block is composed of a front half limit block and a rear half limit block 22, the front half limit block and the rear half limit block are relatively independent, the front half limit block and the rear half limit block are connected by a fastener 23 (the fastener 23 is a bolt), a half limit groove is provided on the front half limit block, and a half limit groove is provided on the rear half limit block. When the front half limit block and the rear half limit block are spliced, the half limit groove on the front half limit block and the half limit groove on the rear half limit block are combined to form a complete limit groove 221. The front half limit block and the rear half limit block are provided to facilitate connection and disassembly with the adjusting screw 13.

[0040] See also Figure 8 A limiting plate 24 is provided at one end of the adjusting screw 13 , and the limiting plate 24 is located in the limiting groove 221 . The limiting plate 24 is provided so that one end of the adjusting screw 13 is limited in the limiting groove 221 .

[0041] See also Figure 6-7 The fixing member 2 is a cube, and has a front side and a rear side that are arranged opposite to each other. A receiving groove is opened on the front side of the fixing member 2, and the connecting block 12 is arranged in the receiving groove; a through hole is opened on the rear side of the fixing member 2 for the connecting shaft 16 to pass through, and the through hole extends along the first direction (such as the X-axis), and the receiving groove is connected with the through hole (the through hole passes through the bottom wall of the receiving groove), and the receiving groove is farther away from the driven roller 3 than the through hole, and one end of the connecting shaft 16 passes through the through hole and is connected to the connecting block 12 located in the receiving groove.

[0042] See also Figure 6-7 , there are two displacement adjustment components, two connecting blocks 12, one displacement adjustment component is connected to one connecting block 12, and the other displacement adjustment component is connected to the other connecting block 12, and both connecting blocks 12 can move along the Y-axis direction. Alternatively, there is one displacement adjustment component, two connecting blocks 12 are provided, the displacement adjustment component is connected to one connecting block 12, the connecting block 12 is movable, and the other connecting block 12 is connected to the fixing member 2 through the bolt and nut assembly 18, that is, the position of the connecting block 12 is fixed.

[0043] In a preferred embodiment, a scale 19 is provided on the front side of the fixing member 2, and the scale 19 is provided in the horizontal direction. An indicator 20 is provided on the connecting block 12 connected to the adjusting screw 13, and a circular workpiece with a diameter of 50mm-500mm can be folded out. When the gap adjustment slider moves to the scale value of 500, it means that the folded workpiece can be folded out into a circle with a diameter of 500mm. At this time, the connecting block 12 connected to the adjusting screw 13 can move along the Y axis, and another connecting block 12 connected to the bolt and nut assembly 18 is fixedly set, and the indicator 20 on the fixedly set connecting block 12 points to 0.

[0044] The tooling also includes a ruler 11, which is arranged on the same side (such as the left or right side) of the moving pressing block 6 and the fixing member 2, and extends in the vertical direction. The ruler 11 has scales extending in the vertical direction; the moving pressing block 6 is provided with an indicator line 21, which is used to point to the scale on the ruler 11. The scale on the ruler 11 displays the value of the bend thickness. When the thickness of the bending material exceeds 10 mm, a hollow tube or a square tube needs to be used for bending.

[0045] The lifting assembly includes a screw rod 4 and a handwheel. One end of the screw rod 4 passes through the movable pressure block 6 and is fixedly connected to the fixed part 2 (the position of the screw rod 4 is fixed). The screw rod 4 is connected to the movable pressure block 6 and the fixed part 2. The screw rod 4 extends in the vertical direction. The handwheel is arranged at the other end of the screw rod 4. The handwheel is threadedly connected to the screw rod 4. By turning the handwheel, the movable pressure block 6 can move in the vertical direction along the screw rod 4; by tightening the handwheel, the movement of the movable pressure block 6 can be limited.

[0046] In one embodiment, the handwheel includes a sleeve 9 and a rod body 10. The sleeve 9 is sleeved on the screw rod 4. The sleeve 9 is threadedly connected to the screw rod 4. The sleeve 9 extends in a vertical direction. The rod body 10 is connected to the sleeve 9. The opposite ends of the rod body 10 are respectively located at the opposite ends of the screw rod 4. The rod body 10 is perpendicular to the sleeve 9.

[0047] The tooling also includes a guide rod 5 and an elastic member 14. The guide rod 5 extends in the vertical direction. The guide rod 5 is parallel to the screw rod 4. One end of the guide rod 5 is fixedly connected to the fixed member 2. The other end of the guide rod 5 passes through the movable pressure block 6. The movable pressure block 6 can move along the guide rod 5. The guide rod 5 is provided so that the active rotating assembly can move more smoothly in the vertical direction. The elastic member 14 is sleeved outside the guide rod 5. One end of the elastic member 14 abuts against the movable pressure block 6, and the other end of the elastic member 14 abuts against the fixed member 2. When the movable pressure block 6 moves toward the fixed member 2, the elastic member 14 is compressed. When the hand wheel is released, the elastic force (reverse thrust) of the elastic member 14 causes the movable pressure block 6 to move upward, thereby increasing the gap between the active roller 7 and the driven roller 3.

[0048] In a preferred embodiment, the elastic member 14 is a spring; two guide rods 5 are provided, and the two guide rods 5 are located on opposite sides of the screw rod 4. A limit nut can be provided at the other end of the guide rod 5, and the limit nut can limit the moving distance of the movable pressing block 6.

[0049] The driven rotating assembly of this example also includes a bearing 17, which is sleeved on the connecting shaft 16. The bearing 17 is located in the driven roller 3, and the outer circumference of the bearing 17 is in contact with the inner circumference of the driven roller 3. The driven roller 3 and the bearing 17 rotate relative to the connecting shaft 16. The bearing 17 is provided to make the driven roller 3 rotate more smoothly.

[0050] In this example, the active rotation assembly further includes an operating member for driving the active roller 7 to rotate. The operating member includes a shaft and a handle 8, the active roller 7 is connected to the handle 8 via the shaft, and the active roller 7 is driven to rotate by rotating the handle 8.

[0051] See also Figure 2 The movable pressing block 6 includes a main body 61 and an extension portion 62 connected to each other. The extension portion 62 is arranged on the lower side of the main body 61. One end of the screw rod 4 passes through the main body 61 and is connected to the fixing member 2. The active roller 7 is connected to the extension portion 62 through a shaft.

[0052] The tooling also includes a base plate 1 , a fixing member 2 is arranged on the base plate 1 , a mounting hole is opened on the base plate 1 , and the base plate 1 can be installed on any workbench; a ruler 11 is arranged on the base plate 1 .

[0053] The method of using the folding tool provided in this example is as follows: first adjust the spacing between the two driven rotating components, place one end of the material to be bent (such as a long steel strip or a steel pipe) between the active roller 7 and the two driven rollers 3, and drive the active roller 7 to rotate by turning the hand wheel, thereby driving the bending material to rotate, and driving the two driven rollers 3 to rotate under the pressure of the material to be bent, so as to achieve the bending effect, that is, to make the bent material slowly form a circle. During the process, the active roller 7 can be driven to move downward by the lifting component to adjust the gap between the active roller 7 and the driven roller 3, and then the active roller 7 can be driven to rotate by turning the hand wheel, and then the active roller 7 can be driven to move downward by the lifting component. The above process is repeated many times to finally obtain a circular workpiece with a required diameter.

[0054] In the folding tool provided in this example, the lifting component is connected to the movable pressure block 6 to drive the active rotating component to move in the vertical direction, and the displacement adjustment component drives at least one driven rotating component to move along the second direction to adjust the distance between the two driven rotating components. The material to be bent can be formed into circular workpieces of different diameters, that is, the diameter of the bending circle is controlled by the gap between the active roller 7 and the two driven rollers 3, and the gap between the two driven rollers 3. It can be used for the production of circles with a diameter of 100-800mm; improve the folding accuracy; solve the safety hazards caused by manual folding and improve the working efficiency; the tool is compact in design, easy to disassemble and carry, and its own weight does not exceed 15Kg; it can be folded in real time according to the needs of the internal operation site of the enterprise, reducing the cost of external processing.

[0055] The annular workpiece manufactured by the folding tool in this example is suitable for manufacturers of special retaining rings, safety guardrails, etc. in the machinery industry, and can also be used to manufacture pipe brackets and other safety protection facilities for chemical production equipment.

[0056] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A folding tool, characterized in that: include: An active rotating assembly, wherein the active rotating assembly comprises an active roller and a movable pressing block, wherein the active roller is connected to the movable pressing block, and the active roller can rotate around its own axis; A fixing member, the fixing member being located directly below the movable pressing block; Two driven rotating components, the driven rotating components are arranged on the fixing member, the driven rotating components include driven rollers, the two driven rollers are arranged side by side, the driving roller is located directly above the two driven rollers, the driven rollers can rotate around their own axes, and the center lines of the driven rollers and the driving rollers both extend along the first direction; A lifting assembly, the lifting assembly is connected to the moving pressing block to drive the active rotating assembly to move in a vertical direction; A displacement adjustment component, wherein the displacement adjustment component is used to drive at least one of the driven rotating components to move along a second direction, and the first direction is perpendicular to the second direction.

2. The folding tool according to claim 1, characterized in that: The driven rotating assembly also includes a connecting block, the driven roller is connected to the connecting block via a connecting shaft, and the connecting block is arranged on the fixing member; the displacement adjusting assembly includes an adjusting screw and a limit block, the adjusting screw and the connecting shaft are both connected to the connecting block, the adjusting screw is perpendicular to the connecting shaft, the limit block is arranged in the connecting block, and the limit block is provided with a limit groove for accommodating one end of the adjusting screw.

3. The folding tool according to claim 2, characterized in that: The limit block is formed by splicing a front half limit block and a rear half limit block, and the front half limit block and the rear half limit block are connected by fasteners.

4. The folding tool according to claim 2, characterized in that: The fixing member is in a cubic shape and has a front side and a rear side arranged opposite to each other. A receiving groove is provided on the front side of the fixing member, and the connecting block is arranged in the receiving groove. A through hole is provided on the rear side of the fixing member for the connecting shaft to pass through. The receiving groove is farther away from the driven roller than the through hole, and the receiving groove is connected with the through hole.

5. The folding tool according to claim 4, characterized in that: A scale is arranged on the front side of the fixing member, and the scale is arranged in the horizontal direction. An indicator is arranged on the connecting block connected with the adjusting screw.

6. The folding tool according to claim 2, characterized in that: The driven rotating assembly also includes a bearing, the bearing is sleeved on the connecting shaft, the bearing is located in the driven roller, and the driven roller and the bearing can rotate relative to the connecting shaft.

7. The folding tool according to claim 1, characterized in that: The tooling also includes a ruler, which is arranged on the same side of the movable pressing block and the fixing member, and extends in a vertical direction. An indicator line is arranged on the movable pressing block.

8. The folding tool according to claim 1, characterized in that: The lifting assembly includes a screw rod and a hand wheel. One end of the screw rod passes through the movable pressure block and is connected to the fixing member. The screw rod extends in a vertical direction. The hand wheel is arranged at the other end of the screw rod and is threadedly connected to the screw rod.

9. The folding tool according to claim 8, characterized in that: The hand wheel comprises a sleeve and a rod body, wherein the sleeve is sleeved on the screw rod, the rod body is connected to the sleeve, the opposite ends of the rod body are respectively located at the opposite ends of the screw rod, and the rod body is perpendicular to the sleeve.

10. The folding tool according to claim 8, characterized in that: The tooling also includes a guide rod and an elastic member. The guide rod is parallel to the screw rod. One end of the guide rod is fixedly connected to the fixing member. The other end of the guide rod passes through the movable pressure block. The movable pressure block can move along the guide rod. The elastic member is sleeved outside the guide rod. One end of the elastic member abuts against the movable pressure block, and the other end of the elastic member abuts against the fixing member.

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