Clamping device

Abstract

The utility model relates to the technical field of machining equipment, in particular to a clamping device which comprises a supporting ring, a chuck and a clamping mechanism, the chuck is arranged on the supporting ring, the clamping mechanism comprises a motor, a disc, a plurality of circular shafts, a plurality of connecting blocks, a plurality of circular rods, a plurality of sliding blocks and a plurality of sets of clamping pieces, the chuck is provided with a groove and a plurality of sliding grooves, and the clamping pieces are arranged in the groove. The multiple sliding blocks are slidably connected with the corresponding sliding grooves respectively and provided with installation grooves, the multiple sets of clamping pieces are arranged in the corresponding installation grooves respectively, the motor is installed on the chuck, the output end of the motor is inserted into the groove and fixedly connected with the discs, the multiple circular shafts are fixedly connected with the discs, and the multiple discs are evenly distributed along the axial center lines of the discs. The multiple round rods are fixedly connected with the corresponding sliding blocks correspondingly, and the round rods are located below the corresponding sliding blocks, in this way, workpieces can be clamped more conveniently, manual clamping is not needed any more, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing equipment, in particular to a clamping device. Background Art

[0002] Under the existing technology, when a CNC lathe processes a workpiece, a clamping device is used to clamp the workpiece before subsequent processing can be performed on the workpiece. However, some of the existing clamping structures are relatively simple. In actual use, when clamping the workpiece, it is not convenient for the staff to effectively clamp workpieces of various outer diameters because it does not have an adjustable function, which greatly reduces the scope of application of the clamping device.

[0003] To address the above problems, a lathe clamping device of easily deformable materials disclosed in the prior art patent publication number CN217964822U can be used. The workpiece is placed on the lathe chuck, and the screw rod is driven to rotate by controlling the rotation of the operating panel. The rotation of the screw rod drives the top block to move. The movement of the top block drives the rubber pad, and the rubber pad moves along the movement trajectory of the top block. The workpiece is clamped by the rubber pad to prevent the top block from causing deformation or clamping of the workpiece. The rubber pad has a low cost, and the workpiece can be clamped conveniently through the operating panel. The operation is convenient, and it is convenient to clamp workpieces of different sizes effectively.

[0004] However, in the above method, multiple operating disks need to be manually rotated to drive multiple screws to rotate and clamp the workpiece, resulting in low processing efficiency. Utility Model Content

[0005] The utility model aims to provide a clamping device, aiming to solve the technical problem in the prior art that multiple operating disks need to be manually rotated to drive multiple screws to rotate and clamp the workpiece, resulting in low processing efficiency.

[0006] To achieve the above-mentioned purpose, the utility model adopts a clamping device, including a supporting ring, a chuck and a clamping mechanism, wherein the chuck is arranged on the supporting ring, and the clamping mechanism includes a motor, a disc, a plurality of circular shafts, a plurality of connecting blocks, a plurality of circular rods, a plurality of sliders and a plurality of groups of clamping members, the chuck has a groove and a plurality of slide grooves, a plurality of the sliders are respectively slidably connected with the corresponding slide grooves, the slider has an installation groove, and a plurality of groups of the clamping members are respectively placed in the corresponding installation grooves, the motor is installed on the chuck, the output end of the motor is inserted into the groove and fixedly connected with the disc, a plurality of the circular shafts are fixedly connected with the disc, and a plurality of the circular shafts are evenly distributed along the axial center line of the disc, a plurality of the circular rods are respectively fixedly connected with the corresponding sliders, and the circular rods are located below the corresponding sliders, one end of a plurality of the connecting blocks is respectively hinged with the corresponding circular shafts, and the other end of a plurality of the connecting blocks is respectively hinged with the corresponding circular rods.

[0007] Wherein, the clamping mechanism also includes a stabilizing rod, and the chuck is also provided with an annular groove. One end of the stabilizing rod is fixedly connected to the disc and is located below the disc, and the other end of the stabilizing rod is inserted into the annular groove.

[0008] Wherein, the clamping member comprises a clamping block, a clamping block and a protective member, the clamping block is arranged in the corresponding mounting groove, the clamping block is fixedly connected to the clamping block, and the protective member is arranged on the clamping block.

[0009] Wherein, the clamping device further comprises a plurality of groups of limit assemblies, and the plurality of groups of limit assemblies are respectively arranged on the corresponding sliding blocks.

[0010] Among them, the limiting assembly includes a limiting rod, a circular plate and a spring, the sliding block is also provided with a through hole, the blocking block has a limiting groove, one end of the limiting rod is fixedly connected to the circular plate, and the other end of the limiting rod passes through the corresponding through hole and is inserted into the corresponding limiting groove.

[0011] Wherein, the limiting assembly further includes a pulling member, and the pulling member is fixedly connected to the circular plate and is located above the circular plate.

[0012] The utility model provides a clamping device, by providing the clamping mechanism, when in specific use, the supporting ring is used to be installed on a lathe, the workpiece to be processed is placed on the chuck, the motor is started, and the output end of the motor drives the disc to rotate, and the disc drives the multiple circular shafts to rotate. When the multiple circular shafts rotate, one end of the multiple connecting blocks is driven to rotate on the corresponding circular shafts respectively, and the other ends of the multiple connecting blocks are driven to rotate on the corresponding circular rods respectively. When the multiple connecting blocks rotate, they drive the multiple sliding blocks to move toward the center point of the chuck in the corresponding sliding grooves respectively. When the multiple sliding blocks slide in the corresponding sliding grooves respectively, they can drive the multiple groups of clamping members to move until the multiple groups of clamping members are clamped on the workpiece on the chuck, and the multiple groups of clamping members can prevent the workpiece on the chuck from being damaged, and then the workpiece clamped by the multiple groups of clamping members can be processed. In this way, the workpiece can be clamped more conveniently, and manual clamping is no longer required, thereby improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0015] Figure 2 It is a front view of the first embodiment of the utility model.

[0016] Figure 3 The utility model Figure 2 AA line structural cross-section view.

[0017] Figure 4 The utility model Figure 2 BB line structural cross-sectional view.

[0018] Figure 5 It is a front view of the second embodiment of the utility model.

[0019] Figure 6 The utility model Figure 5 CC line structural cross-sectional view.

[0020] 101-support ring, 102-chuck, 103-motor, 104-disc, 105-round shaft, 106-connecting block, 107-round rod, 108-slider, 109-stabilizing rod, 110-block, 111-clamping block, 112-protective member, 113-groove, 114-slide, 115-mounting groove, 116-annular groove, 201-limiting rod, 202-round plate, 203-spring, 204-pulling member, 205-through hole, 206-limiting groove. DETAILED DESCRIPTION

[0021] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0022] The first embodiment of the present application is:

[0023] See also Figure 1 to Figure 4 ,in Figure 1 It is a structural schematic diagram of the first embodiment of the utility model. Figure 2 This is a front view of the first embodiment of the utility model. Figure 3 The utility model Figure 2 AA line structural section view, Figure 4 The utility model Figure 2 BB line structural cross-sectional view.

[0024] The utility model provides a clamping device, including a support ring 101, a chuck 102 and a clamping mechanism, wherein the clamping mechanism includes a motor 103, a disc 104, multiple round shafts 105, multiple connecting blocks 106, multiple round rods 107, multiple sliders 108, multiple groups of clamping members and a stabilizing rod 109, and the clamping member includes a clamping block 110, a clamping block 111 and a protective member 112. The above-mentioned scheme solves the technical problem in the prior art that multiple operating disks need to be manually rotated to drive multiple screws to rotate to clamp the workpiece, resulting in low processing efficiency.

[0025] According to this specific embodiment, the chuck 102 is disposed on the support ring 101 . When in use, the support ring 101 is used to be installed on a lathe.

[0026] The chuck 102 has a groove 113 and a plurality of slide grooves 114, a plurality of sliders 108 are respectively slidably connected with the corresponding slide grooves 114, the slider 108 has a mounting groove 115, a plurality of groups of clamping members are respectively placed in the corresponding mounting grooves 115, the motor 103 is mounted on the chuck 102, the output end of the motor 103 is inserted into the groove 113 and fixedly connected with the disc 104, a plurality of the round shafts 105 are fixedly connected with the disc 104, and a plurality of the round shafts 105 are fixedly connected with the disc 104, and a plurality of the round shafts 105 are fixedly connected with the disc 104. The discs 104 are evenly distributed along the axial center line of the disc 104, the multiple round rods 107 are fixedly connected to the corresponding sliders 108, and the round rods 107 are located below the corresponding sliders 108, one end of the multiple connecting blocks 106 is hinged to the corresponding round shafts 105, and the other ends of the multiple connecting blocks 106 are hinged to the corresponding round rods 107. By setting the clamping mechanism, when in use, the support ring 101 is used to be installed on a lathe to hold the workpiece to be processed. The components are placed on the chuck 102, and the motor 103 is started. The output end of the motor 103 drives the disc 104 to rotate, and the disc 104 drives the multiple circular shafts 105 to rotate. When the multiple circular shafts 105 rotate, they drive one end of the multiple connecting blocks 106 to rotate on the corresponding circular shafts 105, and drive the other end of the multiple connecting blocks 106 to rotate on the corresponding circular rods 107. When the multiple connecting blocks 106 rotate, they drive the multiple sliders 108 to rotate on the corresponding circular rods 107. The slide groove 114 moves toward the center point of the chuck 102, and the multiple sliders 108 can drive the multiple groups of clamping members to move while sliding in the corresponding slide grooves 114, until the multiple groups of clamping members are clamped on the workpiece on the chuck 102, and the multiple groups of clamping members can prevent the workpiece on the chuck 102 from being damaged. Then, the workpiece clamped by the multiple groups of clamping members can be processed. In this way, the workpiece can be clamped more conveniently, and manual clamping is no longer required, thereby improving processing efficiency.

[0027] Secondly, the chuck 102 is also provided with an annular groove 116. One end of the stabilizing rod 109 is fixedly connected to the disc 104 and is located below the disc 104. The other end of the stabilizing rod 109 is inserted into the annular groove 116. When in use, the disc 104 rotates to drive the stabilizing rod 109 to slide in the annular groove 116, thereby improving the stability of the disc 104.

[0028] At the same time, the clamping block 110 is arranged in the corresponding installation groove 115, the clamping block 111 is fixedly connected to the clamping block 110, and the protective member 112 is arranged on the clamping block 111. When in use, the slider 108 drives the clamping block 110 to move when it slides, and the clamping block 110 drives the clamping block 111 to move, and the clamping block 111 drives the protective member 112 to clamp on the workpiece.

[0029] When using a clamping device of this embodiment, by setting the clamping mechanism, the support ring 101 is used to be installed on a lathe, the workpiece to be processed is placed on the chuck 102, the motor 103 is started, the output end of the motor 103 drives the disc 104 to rotate, the disc 104 drives the multiple circular shafts 105 to rotate, and when the multiple circular shafts 105 rotate, the multiple connecting blocks 106 are driven to rotate on the corresponding circular shafts 105 at one end, and the multiple connecting blocks 106 are driven to rotate on the corresponding circular rods 107 at the other end. The connecting block 106 drives the plurality of sliders 108 to move in the corresponding slide grooves 114 toward the center point of the chuck 102 while rotating. The plurality of sliders 108 can drive the plurality of clamping members to move while sliding in the corresponding slide grooves 114 until the plurality of clamping members are clamped on the workpiece on the chuck 102, and the plurality of clamping members can prevent the workpiece on the chuck 102 from being damaged. Subsequently, the workpiece clamped by the plurality of clamping members can be processed. In this way, the workpiece can be clamped more conveniently without manual clamping, thereby improving the processing efficiency.

[0030] The second embodiment of the present application is:

[0031] Based on the first embodiment, please refer to Figure 5 and Figure 6 , Figure 5 It is a front view of the second embodiment of the utility model. Figure 6 The utility model Figure 5 CC line structural cross-sectional view.

[0032] The utility model provides a clamping device, which also includes a plurality of limit assemblies. The limit assemblies include a limit rod 201 , a circular plate 202 , a spring 203 and a pulling member 204 .

[0033] According to this specific embodiment, a plurality of groups of the limiting components are respectively arranged on the corresponding sliders 108 , so that the clamping member can be easily replaced during specific use.

[0034] Among them, the slider 108 is also provided with a through hole 205, and the block 110 has a limiting groove 206. One end of the limiting rod 201 is fixedly connected to the circular plate 202, and the other end of the limiting rod 201 passes through the corresponding through hole 205 and is inserted into the corresponding limiting groove 206. When the corresponding clamping member needs to be replaced, the circular plate 202 is first pulled, and the circular plate 202 drives the limiting rod 201 to slide out of the corresponding limiting groove 206 and drives the spring 203 to extend. Then, the corresponding blocking block 110 is taken out, and the new blocking block 110 is inserted into the corresponding installation groove 115, and the circular plate 202 is released. At this time, the spring 203 resets and contracts to drive the circular plate 202 to move, and the circular plate 202 drives the limiting rod 201 to be inserted into the corresponding limiting groove 206 to complete fixation.

[0035] Secondly, the pulling member 204 is fixedly connected to the circular plate 202 and is located above the circular plate 202. By providing the pulling member 204, the circular plate 202 can be pulled more conveniently.

[0036] When the corresponding clamping member needs to be replaced by using a clamping device of the present embodiment, the circular plate 202 is first pulled, and the circular plate 202 drives the limiting rod 201 to slide out of the corresponding limiting groove 206 and drives the spring 203 to extend. Then, the corresponding clamping block 110 is taken out, and the new clamping block 110 is inserted into the corresponding installation groove 115. The circular plate 202 is released. At this time, the spring 203 resets and contracts to drive the circular plate 202 to move, and the circular plate 202 drives the limiting rod 201 to be inserted into the corresponding limiting groove 206 to complete the fixation.

[0037] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A clamping device, comprising a support ring and a chuck, wherein the chuck is arranged on the support ring, characterized in that: Also included is a clamping mechanism; The clamping mechanism includes a motor, a disc, multiple circular shafts, multiple connecting blocks, multiple round rods, multiple sliders and multiple groups of clamping members. The chuck has a groove and multiple slide grooves. Multiple sliders are slidably connected to the corresponding slide grooves respectively. The slider has an installation groove. Multiple groups of clamping members are respectively placed in the corresponding installation grooves. The motor is installed on the chuck. The output end of the motor is inserted into the groove and fixedly connected to the disc. Multiple circular shafts are fixedly connected to the disc, and multiple discs are evenly distributed along the axial center line of the disc. Multiple round rods are fixedly connected to the corresponding sliders respectively, and the round rods are located below the corresponding sliders. One end of multiple connecting blocks is hinged to the corresponding circular shafts respectively, and the other end of multiple connecting blocks is hinged to the corresponding round rods respectively.

2. The clamping device according to claim 1, characterized in that The clamping mechanism also includes a stabilizing rod, and the chuck is also provided with an annular groove. One end of the stabilizing rod is fixedly connected to the disc and is located below the disc, and the other end of the stabilizing rod is inserted into the annular groove.

3. The clamping device according to claim 2, characterized in that The clamping member comprises a clamping block, a clamping block and a protective member, the clamping block is arranged in the corresponding mounting groove, the clamping block is fixedly connected to the clamping block, and the protective member is arranged on the clamping block.

4. The clamping device according to claim 3, characterized in that The clamping device further comprises a plurality of groups of limit assemblies, and the plurality of groups of limit assemblies are respectively arranged on the corresponding slide blocks.

5. The clamping device according to claim 4, characterized in that The limiting assembly includes a limiting rod, a circular plate and a spring. The slider is also provided with a through hole. The clamping block has a limiting groove. One end of the limiting rod is fixedly connected to the circular plate, and the other end of the limiting rod passes through the corresponding through hole and is inserted into the corresponding limiting groove.

6. The clamping device according to claim 5, characterized in that The limiting assembly also includes a pulling member, which is fixedly connected to the circular plate and is located above the circular plate.

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