A symmetrical linkage chuck for steel wire rope
The symmetrically linked chuck with a wire rope and guide pressure wheel structure addresses the inefficiencies of existing chucks by enabling rapid, stable, and accurate clamping, enhancing processing speed and efficiency through synchronized movement, suitable for both rotating and non-rotating applications.
Patent Information
- Application Number
- CN202011227845.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-11-06
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2040-11-06
AI Technical Summary
Existing chucks for clamping round tubes or bars in metal processing are heavy, have high inertia, slow processing speed, and are not suitable for automatic clamping, leading to increased energy consumption and reduced processing efficiency.
A symmetrically linked chuck with a wire rope and guide pressure wheel structure that allows for rapid automatic concentric clamping through synchronized movement of guide pressure wheels, utilizing a symmetrically installed wire rope assembly and driving cylinders to ensure center stability and high rotation accuracy.
The chuck achieves rapid, stable, and accurate clamping, reducing inertia and clamping time, enabling high-speed processing with improved efficiency and accuracy, and is suitable for both rotating and non-rotating applications.
Smart Images
Figure CN112247174B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of metal processing equipment, and in particular to a symmetrically linked chuck for a steel wire rope. Background Art
[0002] In the field of metal processing, especially when processing round tubes or bars, it is usually necessary to use a general or special chuck to clamp the tubes or bars. The existing chuck clamps the workpiece by radial movement of movable jaws evenly distributed on the chuck body. The chuck generally consists of a chuck body, movable jaws, and a jaw drive mechanism. The chuck of the existing structure is entirely composed of metal processing components, and its overall mass is relatively large. The inertia is large during processing rotation, and the processing speed is relatively slow, resulting in increased energy consumption of the equipment.
[0003] In addition, with the improvement of the automation degree of processing equipment, the market increasingly demands automatic chucks that can automatically clamp pipes or bars, while the claw drive mechanism (usually a threaded drive structure) in the existing chuck is not suitable for adding an automatic drive device. When the automatic drive device is directly added to the existing chuck, the automatic clamping or loosening of the pipe is slow, and the clamping time during the processing is increased, resulting in poor equipment use effect, which is not conducive to improving the equipment processing efficiency. Summary of the invention
[0004] In order to solve the above problems, the purpose of the present invention is to provide a symmetrically linked chuck for wire rope, which adopts a symmetrically linked cylinder, wire rope and guide pressure wheel structure to realize rapid automatic concentric clamping. The symmetrically installed guide pressure wheels can move synchronously to keep the center of the clamped pipe or rod from shifting. After automatic clamping, it is firm and stable. The chuck has high rotation accuracy and small overall inertia. It is particularly suitable for high-speed rotation processing and can better ensure the processing accuracy of pipes or rods.
[0005] To achieve the above object, the present invention adopts the following technical solutions:
[0006] A symmetrically linked chuck with a wire rope comprises a turntable body and a positioning sleeve that supports and fixes the turntable body, a wire rope assembly is provided on the turntable body on one side of the positioning sleeve, and more than two groups of automatic clamping claw parts are provided on the other side of the turntable body, each group of the automatic clamping claw parts is provided with a guide pressure wheel and a driving cylinder, and the driving cylinder drives the guide pressure wheel to reciprocate to clamp or release the workpiece; a tensioned wire rope is provided in the wire rope assembly, and a linkage part is fixed on the wire rope, and the guide pressure wheel in each group of the automatic clamping claw parts is respectively connected to one of the linkage parts, and the wire rope assembly is used to control the automatic clamping claw parts to achieve symmetrical and synchronous linked clamping or release.
[0007] Furthermore, the wire rope assembly is provided with a wire rope guide wheel and a rope tightener for winding the wire rope, the two wire ropes are staggered and wound around the wire rope guide wheel, the head and tail of the wire rope are connected through the rope tightener, and at least two linkage parts are symmetrically fixed on each wire rope; when the driving cylinder drives the guide pressure wheel to move, the wire rope is driven to extend and retract through the linkage part, and the linkage part fixed on the same wire rope moves with the pulling of the wire rope, driving the guide pressure wheels installed in the same group to move in linkage.
[0008] Furthermore, the automatic clamping claw components include four, which are divided into two groups and symmetrically installed; the steel cable guide wheels include eight, which are divided into four groups and correspond to the installation positions of the automatic clamping claw components, one of the steel cable guide wheels in each group is fixed on the turntable body close to the outer diameter, and the other is fixed on the turntable body close to the positioning sleeve, and the linkage part is fixed on the steel wire rope wound between each group of the steel cable guide wheels, and the linkage part can be linked with the guide pressure wheel in the same direction.
[0009] Furthermore, the rope tightener is provided with two extended positive and negative thread nuts, and the rear ends of the extended positive and negative thread nuts are provided with grooved wire pressure plates, and the two grooved wire pressure plates respectively tighten the two ends of the wire rope, and a positive and negative thread screw for adjusting the tensioning of the wire rope is provided between the two extended positive and negative thread nuts, and an anti-loosening and tightening nut is provided between the positive and negative thread screw and the extended positive and negative thread nut.
[0010] Furthermore, the steel wire rope in the steel wire rope assembly is replaced by a synchronous belt.
[0011] Furthermore, a sliding guide rail is provided in the automatic clamping claw component, the guide pressure wheel is installed on the sliding guide rail through a sliding connecting plate, one end of the linkage member is fixedly connected to the sliding connecting plate, and a through groove is provided on the turntable body to facilitate the insertion of the linkage member.
[0012] Furthermore, the guide pressure wheel includes a main pressure wheel and an auxiliary pressure wheel, and both ends of the main pressure wheel and the auxiliary pressure wheel are respectively fixed to the sliding connection plate through mounting brackets.
[0013] Furthermore, the upper and lower installation positions of the main pressing wheel and the auxiliary pressing wheel can be interchangeably installed in a staggered manner.
[0014] The present invention has the following beneficial effects:
[0015] 1. The present invention realizes rapid automatic concentric clamping by setting a symmetrically linked cylinder, wire rope and guide pressure wheel structure. The symmetrically installed guide pressure wheels can move synchronously under the tension and pulling of the cylinder and wire rope to keep the center of the clamped pipe or bar from deviating. After automatic clamping, it is firm and stable. The chuck has high rotation accuracy and small overall inertia. It is especially suitable for high-speed rotation processing and can better ensure the processing accuracy of pipes or bars.
[0016] 2. The present invention utilizes the elastic tensile properties of annularly tensioned wire ropes, and the guide pressure wheels are connected through the linkage parts on the wire ropes, and then synchronously clamped and driven by the cylinders. The guide pressure wheels in the automatic clamping claw component are divided into two groups that are symmetrically arranged and arranged in a cross shape, which can well realize the automatic centering and symmetrical linkage of the guide pressure wheels, and can automatically center clamp the pipes or rods well during the processing; after releasing the clamping, the pipes or rods placed between the guide pressure wheels can slide freely in the axial direction, which can greatly reduce the auxiliary clamping time and improve the processing efficiency of the equipment.
[0017] 3. The present invention is quick to install and debug, and the adjustment of the wire rope assembly and the automatic clamping claw component is fast and convenient. The center adjustment can be completed in a few minutes when changing and processing products of different specifications. The installation structure of the wire rope guide wheel in the wire rope assembly is cleverly connected to the linkage component. The automatic clamping claw component is provided with a guide pressure wheel, a sliding guide rail and a driving cylinder. The guide pressure wheel is then connected to the corresponding sliding connecting plate and the linkage component to achieve symmetrical and synchronous linkage, which can well overcome the problem of asynchronous movement of the guide pressure wheel caused by different movement speeds of different driving cylinders, and the automatic centering clamping is stable and reliable.
[0018] 4. The overall weight of the chuck of the present invention is lighter than that of the existing purely mechanical structure. Taking a 120mm diameter chuck as an example, the weight of the existing mechanical chuck is about 120KG, while the weight of the chuck of the present invention is about 90KG; the acceleration of the chuck of the present invention can reach more than 1.2G when rotating, which is more than 1.5 times higher than that of the existing mechanical chuck.
[0019] 5. The chuck of the present invention is suitable for use in rotation processing, and can also be used to clamp pipes or rods when not rotating, and has a wide range of uses. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic front view of the symmetrical linkage chuck of the steel wire rope of the present invention;
[0021] Figure 2 It is a rear view schematic diagram of the symmetrical linkage chuck of the wire rope of the present invention;
[0022] Figure 3 It is a three-dimensional schematic diagram of the front side of the symmetrical linkage chuck of the steel wire rope of the present invention;
[0023] Figure 4 It is a three-dimensional schematic diagram of the back side of the symmetrical linkage chuck of the steel wire rope of the present invention.
[0024] Description of reference numerals:
[0025] 1. Turntable body; 11. Through slot; 2. Positioning sleeve; 3. Wire rope assembly; 31. Wire rope; 32. Linkage; 33. Wire rope guide wheel; 34. Rope tightener; 341. Extended positive and negative thread nut; 342. Grooved wire pressure plate; 343. Positive and negative thread screw; 4. Automatic clamping claw component; 41. Guide pressure wheel; 411. Main pressure wheel; 412. Auxiliary pressure wheel; 42. Driving cylinder; 43. Sliding guide rail; 44. Sliding connecting plate. DETAILED DESCRIPTION
[0026] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:
[0027] See also Figure 1-4 As shown, a symmetrically linked chuck with a wire rope comprises a turntable body 1 and a positioning sleeve 2 for supporting and fixing the turntable body 1, a wire rope assembly 3 is provided on the turntable body 1 on one side of the positioning sleeve 2, and more than two groups of automatic clamping claw parts 4 are provided on the other side of the turntable body 1, each group of the automatic clamping claw parts 4 is provided with a guide pressure wheel 41 and a driving cylinder 42, and the driving cylinder 42 drives the guide pressure wheel 41 to reciprocate to clamp or release the workpiece; a tensioned wire rope 31 is provided in the wire rope assembly 3, and a linkage part 32 is fixed on the wire rope 31, and the guide pressure wheel 41 in each group of the automatic clamping claw parts 4 is respectively connected to one of the linkage parts 32, and the wire rope assembly 3 is used to control the automatic clamping claw parts 4 to realize symmetrical and synchronous linked clamping or release.
[0028] The wire rope assembly 3 is provided with a wire rope guide wheel 33 and a rope tightener 34 for winding the wire rope 31. Two wire ropes 31 are staggered and wound on the wire rope guide wheel 33. The head and tail of the wire rope 31 are connected through the rope tightener 34. The rope tightener 34 is used to adjust the tightness of the wire rope 31. At least two linkage members 32 are symmetrically fixed on each wire rope 31. When the driving cylinder 42 drives the guide pressure wheel 41 to move, the linkage member 32 drives the wire rope 31 to extend and retract. The linkage member 32 fixed on the same wire rope 31 moves with the wire rope 31, driving the guide pressure wheel 41 installed in the same group to move in a linkage manner. The wire rope 31 can be a hemp core wire rope or an ordinary wire rope. If a hemp core wire rope is used, the frequency of adding lubricating oil can be reduced during use. The steel wire rope 31 can be replaced by a synchronous belt or other similar tensioning ropes or tensioning belts as long as the same effect as the steel wire rope can be achieved.
[0029] The automatic clamping claw parts 4 include four, which are symmetrically installed in two groups; the steel cable guide wheels 33 include eight, which are arranged in four groups, corresponding to the installation position of the automatic clamping claw parts 4, one of the steel cable guide wheels 33 in each group is fixed on the turntable body 1 near the outer diameter, and the other is fixed on the turntable body 1 near the positioning sleeve 2, and the linkage member 32 is fixed on the steel wire rope 31 wound between each group of steel cable guide wheels 33, and the linkage member 32 can be linked with the guide pressure wheel 41 in the same direction. When the chuck diameter is larger, the automatic clamping claw parts 4 can also be six, eight or more, and the corresponding steel cable guide wheels 33 are also arranged more.
[0030] The rope tightener 34 is provided with two extended positive and negative thread nuts 341, and the rear end of the extended positive and negative thread nuts 341 is provided with a grooved wire pressure plate 342. The two grooved wire pressure plates 342 respectively press the two ends of the wire rope 31, and a positive and negative thread screw 343 for adjusting the tensioning of the wire rope is provided between the two extended positive and negative thread nuts 341, and an anti-loosening and tightening nut is provided between the positive and negative thread screw 343 and the extended positive and negative thread nut 341.
[0031] The automatic claw component 4 is provided with a sliding guide rail 43, the guide pressure wheel 41 is installed on the sliding guide rail 43 through a sliding connecting plate 44, one end of the linkage member 32 is fixedly connected to the sliding connecting plate 44, and the turntable body 1 is provided with a through slot 11 for inserting the linkage member 32. The sliding guide rail 43 is a commercially available standard component. The sliding connecting plate 44 is a U-shaped structure.
[0032] The guide pressing wheel 41 includes a main pressing wheel 411 and an auxiliary pressing wheel 412, and both ends of the main pressing wheel 411 and the auxiliary pressing wheel 412 are respectively fixed to the sliding connection plate 44 through mounting brackets. The upper and lower mounting positions of the main pressing wheel 411 and the auxiliary pressing wheel 412 can be installed interchangeably and staggered, and the main pressing wheel 411 and the auxiliary pressing wheel 412 in the symmetrically arranged guide pressing wheel 41 can be installed staggered up and down as needed, which is convenient for fixing pipes or rods.
[0033] When the present invention is used, two steel wire ropes 31 are respectively wound around the steel cable guide wheel 33, and the steel wire ropes 31 are tensioned by the rope tightener 34; the driving cylinder 42 is fastened to the turntable body 1, and the output shaft of the driving cylinder 42 is connected to the sliding connecting plate 44, and the installation position of the guide pressure wheel 41 on the sliding connecting plate 44 is adjusted to ensure centering stability, sliding accuracy, pressure wheel strength and pressure; the sliding connecting plate 44 is fastened to the steel wire rope 31 through the linkage 32, and the symmetrical concentricity of the four groups of guide pressure wheels 41 is adjusted; the concentricity is detected by a checking fixture to ensure operation accuracy.
[0034] The driving cylinder 42 is connected to an external control air source. When the driving cylinder 42 is driven by the control air source, it pushes the guide pressure wheel 41 and pulls the wire rope 31 at the same time so that the guide pressure wheels 41 symmetrically installed in the same group can maintain synchronous movement and keep the center of the clamped pipe from shifting.
[0035] The above description is only a specific implementation mode of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made by using the contents of the present invention description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A symmetrical linkage chuck for a steel wire rope, characterized in that: The invention comprises a turntable body (1) and a positioning sleeve (2) supporting and fixing the turntable body (1); a wire rope assembly (3) is provided on the turntable body (1) on one side of the positioning sleeve (2); and two or more groups of automatic clamping claw components (4) are provided on the other side of the turntable body (1); each group of the automatic clamping claw components (4) is provided with a guide pressure wheel (41) and a driving cylinder (42); the driving cylinder (42) drives the guide pressure wheel (41) to reciprocate to clamp or release the workpiece; the wire rope assembly (3) is provided with a tensioned wire rope (31); a linkage member (32) is fixed on the wire rope (31); the guide pressure wheel (41) in each group of the automatic clamping claw components (4) is respectively connected to one of the linkage members (32); and the wire rope assembly (3) is used to control the automatic clamping claw components (4) to realize symmetrical and synchronous linkage clamping or release.
2. A symmetrically linked chuck for steel wire rope according to claim 1, characterized in that: The steel wire rope assembly (3) is provided with a steel wire rope guide wheel (33) and a rope tightener (34) around which the steel wire rope (31) is wound. The two steel wire ropes (31) are staggered and wound around the steel wire rope guide wheel (33). The head and tail of the steel wire rope (31) are connected via the rope tightener (34). At least two linkage members (32) are symmetrically fixed on each of the steel wire ropes (31). When the driving cylinder (42) drives the guide pressure wheel (41) to move, the steel wire rope (31) is driven to extend and retract via the linkage member (32). The linkage member (32) fixed on the same steel wire rope (31) moves with the pull of the steel wire rope (31), thereby driving the guide pressure wheels (41) installed in the same group to move in a linkage manner.
3. A symmetrically linked chuck for steel wire rope according to claim 2, characterized in that: The automatic clamping claw components (4) include four, which are symmetrically installed in two groups; the steel cable guide wheels (33) include eight, which are arranged in four groups corresponding to the installation positions of the automatic clamping claw components (4), one of the steel cable guide wheels (33) in each group is fixed on the turntable body (1) near the outer diameter, and the other is fixed on the turntable body (1) near the positioning sleeve (2), and the linkage member (32) is fixed on the steel wire rope (31) wound between each group of the steel cable guide wheels (33), and the linkage member (32) can be linked with the guide pressure wheel (41) in the same direction.
4. A symmetrically linked chuck for steel wire rope according to claim 2, characterized in that: The rope tightener (34) is provided with two extended positive and negative thread nuts (341), and a grooved wire pressure plate (342) is provided at the rear end of the extended positive and negative thread nuts (341). The two grooved wire pressure plates (342) respectively press the two ends of the steel wire rope (31), and a positive and negative thread screw (343) for adjusting the tension of the steel wire rope is provided between the two extended positive and negative thread nuts (341), and an anti-loosening and tightening nut is provided between the positive and negative thread screw (343) and the extended positive and negative thread nut (341).
5. A symmetrically linked chuck for steel wire rope according to claim 2, characterized in that: The steel wire rope (31) in the steel wire rope assembly (3) is replaced by a synchronous belt.
6. A symmetrically linked chuck for steel wire rope according to claim 1, characterized in that: The automatic clamping claw component (4) is provided with a sliding guide rail (43), the guide pressure wheel (41) is installed on the sliding guide rail (43) through a sliding connecting plate (44), one end of the linkage member (32) is fixedly connected to the sliding connecting plate (44), and the turntable body (1) is provided with a through groove (11) for facilitating the insertion of the linkage member (32).
7. A symmetrically linked chuck for steel wire rope according to claim 6, characterized in that: The guide pressing wheel (41) comprises a main pressing wheel (411) and an auxiliary pressing wheel (412), and both ends of the main pressing wheel (411) and the auxiliary pressing wheel (412) are respectively fixed to the sliding connection plate (44) through mounting brackets.
8. A symmetrically linked chuck for steel wire rope according to claim 7, characterized in that: The upper and lower installation positions of the main pressing wheel (411) and the auxiliary pressing wheel (412) can be interchangeably installed in a staggered manner.