A workpiece quick clamping mechanism for a tensile testing machine

By designing a workpiece fast clamping mechanism for tensile testing machines, using the combination of adjustment screw and rocking disc to achieve dynamic adjustment of clamping spacing and clamping angle, the problem of replacing the entire clamping mechanism in the prior art is solved, and the convenience and flexibility of operation are improved.

CN222719305UActive Publication Date: 2025-04-04CHONGQING NAPU TESTING TECH CO LTD
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Patent Information

Application Number
CN202421094433.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-04-04
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

The existing clamping mechanism needs to be arranged one by one according to the size and shape of different workpieces, resulting in the need to replace the entire set of clamping mechanisms in actual use, which is inconvenient to operate.

Method used

A quick clamping mechanism for workpieces including a support table, a connecting frame, an adjustment table, a mounting frame, an adjustment screw and a rocking disk are designed. Through the coordination between the adjustment screw and a rocking disk, dynamic adjustment of the clamping spacing and clamping angle is achieved.

Benefits of technology

The clamping spacing and clamping angle are realized according to the actual workpiece size, reducing the need to replace the clamping mechanism, and improving the convenience and flexibility of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of clamping mechanisms, and specifically to a workpiece quick clamping mechanism for a tensile testing machine, comprising a support platform and a clamping assembly; the clamping assembly comprises a connecting frame, an adjusting platform, a mounting frame, an adjusting component and a clamping component; the connecting frame is rotatably connected to the support platform and is located at one side of the support platform, the adjusting platform is slidably connected to the connecting frame and is located at one side of the connecting frame, the mounting frame is rotatably connected to the adjusting platform and is located at one side of the adjusting platform, the adjusting frame is connected to the adjusting platform, and the clamping component is connected to the mounting frame, so that the clamping spacing and the clamping angle can be correspondingly adjusted according to the actual size of the clamped workpiece through the provided components, so that it is more convenient in actual operation.
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Description

Technical Field

[0001] The utility model relates to the technical field of clamping mechanisms, in particular to a workpiece quick clamping mechanism for a tension testing machine. Background Art

[0002] When a tensile testing machine performs a tensile test on a workpiece, it is usually necessary to use a corresponding clamping mechanism to clamp and fix the workpiece. The stability of the workpiece clamping directly affects the accuracy of the workpiece test results.

[0003] However, when the above method is used to clamp and fix the workpiece through the existing clamping mechanism, since the clamping position and clamping size of the clamping mechanism are set one-to-one with the workpiece, when different workpieces need to be clamped, they can only be matched by directly replacing the entire set of clamping mechanisms, which is very inconvenient in actual use. Utility Model Content

[0004] The utility model aims to provide a workpiece quick clamping mechanism for a tensile testing machine, which can adjust the clamping distance and the clamping angle according to the actual clamping workpiece size through the provided components, making it more convenient in actual operation.

[0005] To achieve the above-mentioned purpose, the utility model provides a workpiece quick clamping mechanism for a tensile testing machine, comprising a support table and a clamping assembly;

[0006] The clamping assembly includes a connecting frame, an adjusting platform, a mounting frame, an adjusting member and a clamping member; the connecting frame is rotatably connected to the supporting platform and is located on one side of the supporting platform, the adjusting platform is slidably connected to the connecting frame and is located on one side of the connecting frame, the mounting frame is rotatably connected to the adjusting platform and is located on one side of the adjusting platform, the adjusting frame is connected to the adjusting platform, and the clamping member is connected to the mounting frame.

[0007] Wherein, the adjusting component includes an adjusting screw and a rocking plate, wherein the adjusting screw is threadedly connected to the adjusting platform and rotatably mounted on one side of the connecting frame; the rocking plate is fixedly connected to the adjusting screw and is located on one side of the adjusting screw.

[0008] Wherein, the connecting frame has a connecting boss and a sliding groove, wherein the connecting boss is located on a side of the connecting frame close to the supporting platform; and the sliding groove is located on a side of the connecting frame close to the adjusting platform.

[0009] Wherein, the mounting frame has a toggle table and a rotation groove, the toggle table is located on one side of the mounting frame; the rotation groove is located on the side of the mounting frame close to the adjustment platform.

[0010] Wherein, the clamping member includes an insertion frame, a mounting bolt and a pressing component, the insertion frame is connected to the mounting frame and is located on one side of the mounting frame; the mounting bolt is threadedly connected to the mounting frame and passes through the insertion frame; the pressing component is connected to the insertion frame.

[0011] Among them, the pressing component includes a bracket, a pressing frame and a pressing cylinder, the bracket is fixedly connected to the insertion frame and is located on one side of the insertion frame; the pressing frame is slidably connected to the bracket and is located on one side of the bracket; the output end of the pressing cylinder is connected to the pressing frame, and the pressing cylinder is fixedly installed on one side of the bracket.

[0012] The utility model discloses a workpiece quick clamping mechanism for a tensile testing machine, wherein the shaking plate drives the adjusting screw to rotate, and then the adjusting screw drives the adjusting platform on the connecting frame to move, so as to adjust the position of the adjusting platform, and the two sets of shaking plates and adjusting screws can be used to perform corresponding adjustments on the positions of the adjusting platforms on both sides of the connecting frame, and then the user can further adjust the clamping position and the clamping angle according to the shape and size of the actual clamped workpiece by rotating the connecting frame on the supporting platform and the mounting frame on the adjusting platform, thereby achieving the ability to perform corresponding adjustments on the clamping spacing and the clamping angle according to the actual size of the clamped workpiece through the provided components, making the actual operation more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0014] Figure 1 It is a schematic diagram of the overall structure of a workpiece quick clamping mechanism for a tensile testing machine according to the first embodiment of the utility model.

[0015] Figure 2 It is a schematic structural diagram of a mounting frame in section according to the first embodiment of the utility model.

[0016] Figure 3 It is a schematic structural diagram of a cross-section of a connecting frame of the first embodiment of the utility model.

[0017] Figure 4 It is a schematic structural diagram of a support platform in section according to the first embodiment of the utility model.

[0018] Figure 5 It is a schematic diagram of the overall structure of a workpiece quick clamping mechanism for a tensile testing machine according to the second embodiment of the utility model.

[0019] In the figure: 101-support platform, 102-connecting frame, 103-adjusting platform, 104-mounting frame, 105-adjusting screw, 106-shaking plate, 107-connecting boss, 108-sliding groove, 109-sliding round table, 110-rotating groove, 201-insertion frame, 202-mounting bolt, 203-bracket, 204-pressing frame, 205-pressing cylinder. DETAILED DESCRIPTION

[0020] 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.

[0021] The first embodiment of the present application is:

[0022] See also Figures 1 to 4 ,in Figure 1 This is a schematic diagram of the overall structure of the workpiece quick clamping mechanism used in the tensile testing machine. Figure 2 is a schematic diagram of the structure of the mounting frame 104 cut away, Figure 3 is a schematic diagram of the structure of the connecting frame 102 cut away, Figure 4 It is a schematic diagram of the structure of the support platform 101 cut away.

[0023] The utility model provides a workpiece quick clamping mechanism for a tensile testing machine, comprising a support table 101 and a clamping assembly, wherein the clamping assembly comprises a connecting frame 102, an adjusting table 103, a mounting frame 104, an adjusting member and a pressing member, wherein the adjusting member comprises an adjusting screw 105 and a rocking plate 106, the connecting frame 102 has a connecting boss 107 and a sliding groove 108, and the mounting frame 104 has a toggle table 109 and a rotating groove 110. The above-mentioned scheme solves the problem that when the workpiece is clamped and fixed by the existing clamping mechanism, since the clamping position and the clamping size of the clamping mechanism are set one-to-one with the workpiece, when different workpieces need to be clamped, they can only be matched by directly replacing the entire set of clamping mechanisms, which makes it very inconvenient in actual use.

[0024] In this embodiment, the support table 101 is a platform for installing and placing the entire clamping mechanism. The support table 101 can be directly installed on the surface of the corresponding processing operation table or can be set on the driving table of the testing machine.

[0025] The connecting frame 102 is rotatably connected to the support platform 101 and is located on one side of the support platform 101. The adjusting platform 103 is slidably connected to the connecting frame 102 and is located on one side of the connecting frame 102. The mounting frame 104 is rotatably connected to the adjusting platform 103 and is located on one side of the adjusting platform 103. The adjusting frame is connected to the adjusting platform 103. The pressing member is connected to the mounting frame 104. The connecting boss 107 is located on the side of the connecting frame 102 close to the supporting platform 101. ; The sliding groove 108 is located on the side of the connecting frame 102 close to the adjusting platform 103, and the toggle round table 109 is located on the side of the mounting frame 104; the rotating groove 110 is located on the side of the mounting frame 104 close to the adjusting platform 103, and the connecting boss 107 provided at the bottom of the connecting frame 102 matches the connecting groove provided on the surface of the support platform 101, and the outer ring of the connecting boss 107 at the bottom of the connecting frame 102 is provided with a corresponding friction coating, so that the connecting frame 102 is on the support platform 101 There is a certain damping feeling when rotating on the connecting frame 102, which makes it more convenient for the user to determine the rotation angle of the connecting frame 102. Two sliding grooves 108 are respectively provided on both sides of the top of the connecting frame 102, and the adjusting platform 103 matches the sliding groove 108 provided on the connecting frame 102. The rotating groove 110 provided at the bottom of the mounting frame 104 matches the stepped cylindrical boss provided on the top of the adjusting frame. The connection between the mounting frame 104 and the adjusting frame is similar to the connection between the connecting frame 102 and the supporting platform 101. Similarly, the inner circle of the rotating groove 110 provided on the mounting frame 104 is provided with the same friction layer as the outer circle of the connecting boss 107 of the connecting frame 102, so that the user can determine the rotating position of the mounting frame 104, so that the user can adjust the clamping position of the clamping member provided above the mounting frame 104 accordingly by rotating the connecting frame 102 on the supporting platform 101, sliding the two adjusting platforms 103 on the connecting frame 102, and rotating the mounting frame 104 on the adjusting platform 103.

[0026] Secondly, the adjusting screw 105 is threadedly connected to the adjusting platform 103 and is rotatably installed on one side of the connecting frame 102; the shaking plate 106 is fixedly connected to the adjusting screw 105 and is located on one side of the adjusting screw 105. The bottoms of the two adjusting platforms 103 provided on the connecting frame 102 are provided with threaded holes matching the adjusting screws 105. The two adjusting screws 105 are rotatably installed on both sides of the connecting frame 102 respectively, and the shaking plate 106 is fixed at the end of each adjusting screw 105. The shaking plate 106 consists of a turntable and a holding handle, so that the user can drive the adjusting screw 105 by shaking the shaking plate 106, so that the adjusting platform 103 can be moved and driven by the rotation of the adjusting screw 105.

[0027] When the workpiece quick clamping mechanism for a tensile testing machine of the present embodiment is in use, the adjusting screw 105 is driven to rotate by the shaking plate 106, and then the adjusting table 103 on the connecting frame 102 is driven to move by the adjusting screw 105, so as to adjust the position of the adjusting table 103. By means of the two sets of shaking plates 106 and adjusting screws 105, the positions of the adjusting tables 103 on both sides of the connecting frame 102 can be adjusted separately and correspondingly. After that, the user can further adjust the clamping position and the clamping angle according to the shape and size of the actual clamped workpiece by rotating the connecting frame 102 on the supporting table 101 and the mounting frame 104 on the adjusting table 103, thereby achieving the ability to adjust the clamping spacing and the clamping angle according to the actual size of the clamped workpiece through the provided components, making it more convenient in actual operation.

[0028] Second embodiment:

[0029] See also Figure 5 , Figure 5 This is a schematic diagram of the overall structure of the workpiece quick clamping mechanism for a tensile testing machine of the second embodiment. The clamping member provided by the utility model includes an insertion frame 201, a mounting bolt 202 and a pressing component, and the pressing component includes a bracket 203, a pressing frame 204 and a pressing cylinder 205.

[0030] Among them, the insertion frame 201 is connected to the mounting frame 104 and is located on one side of the mounting frame 104; the mounting bolt 202 is threadedly connected to the mounting frame 104 and passes through the insertion frame 201; the pressing component is connected to the insertion frame 201, and the bracket 203 is fixedly connected to the insertion frame 201 and is located on one side of the insertion frame 201; the pressing frame 204 is slidably connected to the bracket 203 and is located on one side of the bracket 203; the output end of the pressing cylinder 205 is connected to the pressing frame 204, and the pressing cylinder 205 is fixedly installed on one side of the bracket 203, and the clamping table provided at the bottom of the insertion frame 201 is connected to the mounting frame The insert frame 201 is matched with the matching platform provided above the mounting frame 104, and the clamping platform on the side of the insertion frame 201 and the matching platform above the mounting frame 104 are respectively provided with through holes and threaded holes for matching with the mounting bolts 202 so that the user can fix the insertion frame 201 on the mounting frame 104 through the mounting bolts 202, and the bracket 203 is fixed on the insertion frame 201, and the lower pressure frame 204 is slidably provided on the bracket 203, and the lower pressure frame 204 is fixed to the output end of the lower pressure cylinder 205, so that the user can directly drive the lower pressure frame 204 to move downward through the lower pressure cylinder 205, thereby cooperating with the insertion frame 201 to clamp the side of the workpiece.

[0031] When using the workpiece quick clamping mechanism for a tensile testing machine of the present embodiment, the pressing cylinder 205 can be used to cooperate with the pressing frame 204 to complete the clamping and fixing of the corresponding side of the workpiece, and then the insertion frame 201 is connected to the mounting frame 104 by using the mounting bolt 202, which can facilitate users to more practically process and clean to disassemble and replace the insertion frames 201 of different sizes and the corresponding components on the insertion frames 201. When the size of the workpiece to be clamped changes too much or the clamping mechanism needs to be fixed in a special clamping manner, the insertion frame 201 can be disassembled, and then another insertion frame 201 with a corresponding mechanism can be installed by the mounting bolt 202, so that users only need to replace a small part of the mechanism when replacing to achieve clamping and fixing of workpieces with large differences, which greatly enhances the practicality of the entire device.

[0032] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A workpiece quick clamping mechanism for a tensile testing machine, comprising a support table, characterized in that: Also included is a clamping assembly; The clamping assembly includes a connecting frame, an adjusting platform, a mounting frame, an adjusting member and a clamping member; the connecting frame is rotatably connected to the supporting platform and is located on one side of the supporting platform, the adjusting platform is slidably connected to the connecting frame and is located on one side of the connecting frame, the mounting frame is rotatably connected to the adjusting platform and is located on one side of the adjusting platform, the adjusting member is connected to the adjusting platform, and the clamping member is connected to the mounting frame.

2. The workpiece quick clamping mechanism for a tensile testing machine according to claim 1, characterized in that: The adjusting component comprises an adjusting screw and a rocking plate. The adjusting screw is threadedly connected to the adjusting platform and rotatably mounted on one side of the connecting frame. The rocking plate is fixedly connected to the adjusting screw and is located on one side of the adjusting screw.

3. The workpiece quick clamping mechanism for a tensile testing machine according to claim 1, characterized in that: The connecting frame has a connecting boss and a sliding groove, wherein the connecting boss is located on a side of the connecting frame close to the supporting platform; and the sliding groove is located on a side of the connecting frame close to the adjusting platform.

4. The workpiece quick clamping mechanism for a tensile testing machine according to claim 1, characterized in that: The mounting frame has a toggle table and a rotation slot, wherein the toggle table is located at one side of the mounting frame; and the rotation slot is located at a side of the mounting frame close to the adjustment platform.

5. The workpiece quick clamping mechanism for a tensile testing machine according to claim 1, characterized in that: The clamping member includes an insertion frame, a mounting bolt and a pressing component. The insertion frame is connected to the mounting frame and is located on one side of the mounting frame; the mounting bolt is threadedly connected to the mounting frame and passes through the insertion frame; the pressing component is connected to the insertion frame.

6. The workpiece quick clamping mechanism for a tensile testing machine according to claim 5, characterized in that: The pressing component includes a bracket, a pressing frame and a pressing cylinder. The bracket is fixedly connected to the insertion frame and is located on one side of the insertion frame; the pressing frame is slidably connected to the bracket and is located on one side of the bracket; the output end of the pressing cylinder is connected to the pressing frame, and the pressing cylinder is fixedly installed on one side of the bracket.