Machining clamp and machining tool

Abstract

The utility model discloses a machining clamp and a machining tool, and relates to the technical field of mechanical manufacturing, the machining clamp comprises a base, the two ends of the base are provided with stand columns, the positions of the stand columns relative to the base can be locked, the upper ends of the stand columns are movably connected with pressing arms, and the stand columns are provided with driving devices. The driving device can drive the pressing arm to rotate around the stand column so that the pressing arm can press or loosen the workpiece. The machining tool comprises a bottom frame and at least one machining clamp which is sequentially distributed, the machining clamps are detachably connected with the bottom frame, and therefore the machining clamp and the machining tool can improve the work efficiency of workpiece pressing and reduce the work intensity of operators.

Description

Technical Field

[0001] This utility model relates to the field of mechanical manufacturing technology, and in particular to a machining fixture and machining tooling. Background Technology

[0002] With the continuous development of modern industry, the demand for various parts and components in industries such as machinery, vehicles, and rail transportation is increasing, and higher requirements are being placed on their manufacturing precision, production efficiency, and quality stability.

[0003] For example, patent (CN208628730U) discloses a rail vehicle underframe fixing fixture and a rail vehicle underframe anti-deformation component. This device achieves the clamping of the clamping component to the vehicle underframe through manual operation. However, the manual operation to clamp the underframe is inefficient and increases the labor intensity of workers. Utility Model Content

[0004] The purpose of this utility model is to provide a machining fixture and tooling to solve the problems existing in the prior art, improve the efficiency of workpiece clamping, and reduce the workload of operators.

[0005] To achieve the above objectives, this utility model provides the following solution:

[0006] This utility model provides a processing fixture, including a base, with columns at both ends of the base. The position of the columns relative to the base can be locked. A pressure arm is movably connected to the upper end of the column. A driving device is provided on the column, which can drive the pressure arm to rotate around the column so that the pressure arm presses or releases the workpiece.

[0007] In some embodiments, a width adjustment device is also included, wherein the column is slidably connected to the base, and the width adjustment device is capable of adjusting and locking the distance between the two columns.

[0008] In some embodiments, the width adjustment device includes two drive mechanisms fixedly mounted on the base. The two drive mechanisms are respectively used to drive the two columns to slide along the base to adjust the distance between the two columns.

[0009] In some embodiments, each of the drive mechanisms includes a first drive member and a lead screw. The first drive member is fixed on the base, and one end of the lead screw is rotatably connected to the output member of the first drive member. A nut is threaded onto the lead screw, and the nut is fixedly connected to one of the columns. The first drive member is used to drive the lead screw to rotate so as to move the column.

[0010] In some embodiments, two sets of linear guides are also included, the two sets of linear guides are distributed along the length of the base and are fixedly connected to the base, and each column is slidably connected to one set of linear guides.

[0011] In some embodiments, a support base is also fixedly provided on the column, the support base being used to support the workpiece.

[0012] In some embodiments, a clamping device is also included, which is fixedly disposed on the side wall of one of the columns. The clamping device is capable of abutting the workpiece against the surface of the column to which the clamping device is connected, and clamping the workpiece against the other column.

[0013] In some embodiments, the clamping device includes a second driving member and a clamping member. The second driving member is fixed to the side wall of the column, and the output of the second driving member is fixedly connected to the clamping member to drive the clamping member to reciprocate in a direction parallel to the linear guide rail.

[0014] In some embodiments, the second driving element is a hydraulic cylinder.

[0015] This utility model also provides a machining fixture, including a base frame and at least one machining jig as described in any one of the preceding claims, wherein the machining jig is detachably connected to the base frame. This utility model achieves the following technical advantages over the prior art:

[0016] This utility model provides a processing fixture and processing tooling. By setting columns at both ends of a base, and the position of the columns relative to the base can be locked, a pressure arm is movably connected to the upper end of the column. A driving device on the column can drive the pressure arm to rotate around the column, so that the pressure arm presses or releases the workpiece, thereby improving the work efficiency of pressing the workpiece and reducing the workload of the operator. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of a machining fixture in one embodiment of the present invention;

[0019] Figure 2 This is a schematic diagram of the column structure in one embodiment of the present invention;

[0020] Figure 3 This is a schematic diagram of the structure of the pressure arm in different states in one embodiment of the present invention;

[0021] Figure 4 This is a schematic diagram of the processing tooling in one embodiment of the present invention.

[0022] Wherein: 1-Second driving component; 2-Tightening component; 3-Base; 4-Linear guide rail; 5-Support seat; 6-Pressure arm; 7-Driving device; 8-Column; 9-Base frame; 10-Machining fixture. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0025] Example 1

[0026] This embodiment provides a machining fixture 10, such as Figure 1-2 As shown, the base 5 includes a base 3, with columns 8 at both ends. The positions of the columns 8 relative to the base 3 can be locked. A pressure arm 6 is movably connected to the upper end of the column 8. A driving device 7 is provided on the column 8, which can drive the pressure arm 6 to rotate around the column 8, so that the pressure arm 6 presses or releases the workpiece. In this embodiment, by providing columns 8 at both ends of the base 5, and the positions of the columns 8 relative to the base 3 can be locked, and the upper ends of the columns 8 are movably connected to the pressure arm 6, the driving device 7 on the column 8 can drive the pressure arm 6 to rotate around a horizontal axis on the column 8, as shown... Figure 3 As shown, this allows the pressure arm 6 to switch between states A and B, and to release the workpiece in state A and press the workpiece in state B, thereby improving the efficiency of pressing the workpiece and reducing the workload of the operator.

[0027] In some embodiments of this example, the machining fixture 10 further includes a width adjustment device. The columns 8 are slidably connected to the base 3, and the width adjustment device can adjust and lock the distance between the two columns 8. The width adjustment device can flexibly adjust the distance between the two columns 8, allowing the machining fixture 10 to adapt to workpieces of different specifications and improving the versatility of the machining fixture 10.

[0028] In some embodiments of this example, the width adjustment device includes two drive mechanisms, which are fixedly mounted on the base 3. Each drive mechanism drives two columns 8 to slide along the base 3, adjusting the distance between the two columns 8. The two drive mechanisms can independently control the sliding of the two columns 8, precisely adjusting the position of each column 8 for workpieces of different widths. This allows for more accurate control of the distance between the two columns 8, ensuring a perfect fit between the machining fixture 10 and the workpiece, and providing a high-precision positioning basis for subsequent machining operations.

[0029] In some embodiments of this example, each driving mechanism includes a first driving member and a lead screw. The first driving member is fixed on the base 3, and one end of the lead screw is rotatably connected to the output component of the first driving member. A nut is threaded onto the lead screw, and the nut is fixedly connected to a column 8. The first driving member drives the lead screw to rotate, thereby moving the column 8. The first driving member drives the lead screw to rotate, and the lead screw transmission has high precision. Therefore, by precisely controlling the rotation of the first driving member, the moving distance of the column 8 can be precisely controlled, achieving precise positioning and clamping of the workpiece, meeting the requirements of high-precision workpiece machining. The first driving member can be a motor. It should be noted that the driving mechanism can also use other linear drive mechanisms such as hydraulic cylinders, pneumatic cylinders, or electric push rods.

[0030] In some embodiments of this example, the machining fixture 10 further includes two sets of linear guides 4. The two sets of linear guides 4 are distributed along the length of the base 3 and are fixedly connected to it. Each column 8 is slidably connected to one set of linear guides 4. The linear guides 4 provide precise guidance for the movement of the columns 8, ensuring that the columns 8 can slide along a predetermined linear direction, guaranteeing the accuracy of distance adjustment between the two columns 8, which helps improve the positioning accuracy of the workpiece and meet the processing requirements of workpieces of different sizes. Each set of linear guides 4 includes two parallel guide rail units, each extending along the direction of the linear guide 4.

[0031] In some embodiments of this example, a support base 5 is also fixedly installed on the column 8. The support base 5 is used to support the workpiece. The support base 5 is fixed on the column 8, which can provide a reliable support point for the workpiece. At the same time, by adjusting the height of the support base 5, the support requirements of various workpieces can be met, thereby improving the applicability of the machining fixture 10.

[0032] In some embodiments of this example, the machining fixture 10 further includes a clamping device, which is fixedly mounted on the side wall of one column 8. The clamping device can abut against the surface of the workpiece near the column 8 to which the clamping device 4 is connected, and clamp the workpiece against the other column 8. By abutting against one end face of the workpiece, the clamping device firmly fixes the workpiece between the two columns 8, eliminating gaps in the workpiece during the positioning process, ensuring that the workpiece maintains an accurate position throughout the machining process, thereby improving machining accuracy.

[0033] In some embodiments of this example, the clamping device includes a second driving member 1 and a clamping member 2. The second driving member 1 is fixed to the side wall of the column 8, and the output component of the second driving member 1 is fixedly connected to the clamping member 2 to drive the clamping member 2 to reciprocate along a direction parallel to the linear guide rail 4. The second driving member 1 can precisely control the movement of the clamping member 2, thereby accurately adjusting the magnitude of the clamping force and the contact position between the clamping member 2 and the workpiece, ensuring that the clamping member 2 clamps the workpiece between the two columns 8 with appropriate force, thus improving the positioning accuracy.

[0034] In some embodiments of this example, the second driving component is a hydraulic cylinder. A hydraulic cylinder can generate significant thrust and pull, providing sufficient clamping force to ensure the workpiece is securely clamped between the two columns 8. It should be noted that the second driving component can also be a pneumatic cylinder or an electric actuator, or other linear drive mechanisms.

[0035] Example 2

[0036] This embodiment provides a machining fixture, such as Figure 4 As shown, it includes a base frame 9 and at least one processing fixture 10 as in Embodiment 1, arranged sequentially. The processing fixture 10 is detachably connected to the base frame 9. In this embodiment, columns 8 are provided at both ends of the base 5, and the position of the columns 8 relative to the base 3 can be locked. A pressure arm 6 is movably connected to the upper end of the column 8, and a driving device 7 on the column 8 can drive the pressure arm 6 to rotate around a horizontal axis on the column 8. Figure 3 As shown, this allows the pressure arm 6 to switch between states A and B, and to release the workpiece in state A and press the workpiece in state B, thereby improving the efficiency of workpiece pressing and reducing the workload of operators. The processing fixture 10 is arranged sequentially along the length direction of the base frame 9, and the moving direction of the column 8 is perpendicular to the length direction of the base frame.

[0037] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of ​​this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A machining fixture, characterized in that: Includes a base, with columns at both ends of the base. The position of the columns relative to the base can be locked. A pressure arm is movably connected to the upper end of the column. A driving device is provided on the column. The driving device can drive the pressure arm to rotate around the column so that the pressure arm presses or releases the workpiece.

2. The machining fixture according to claim 1, characterized in that: It also includes a width adjustment device, wherein the column is slidably connected to the base, and the width adjustment device can adjust and lock the distance between the two columns.

3. The machining fixture according to claim 2, characterized in that: The width adjustment device includes two drive mechanisms, which are fixedly mounted on the base. The two drive mechanisms are used to drive the two columns to slide along the base to adjust the distance between the two columns.

4. The machining fixture according to claim 3, characterized in that: Each of the driving mechanisms includes a first driving member and a lead screw. The first driving member is fixed on the base. One end of the lead screw is rotatably connected to the output of the first driving member. A nut is threaded onto the lead screw. The nut is fixedly connected to one of the columns. The first driving member is used to drive the lead screw to rotate so as to move the column.

5. The machining fixture according to claim 1, characterized in that: It also includes two sets of linear guide rails, which are distributed along the length of the base and are fixedly connected to the base. Each column is slidably connected to one set of linear guide rails.

6. The machining fixture according to claim 5, characterized in that: A support base is also fixedly installed on the column, and the support base is used to support the workpiece.

7. The machining fixture according to claim 6, characterized in that: It also includes a clamping device, which is fixedly installed on the side wall of one of the columns. The clamping device can abut against the surface of the workpiece near the column to which the clamping device is connected, and clamp the workpiece to another column.

8. The machining fixture according to claim 7, characterized in that: The clamping device includes a second driving member and a clamping member. The second driving member is fixed on the side wall of the column, and the output of the second driving member is fixedly connected to the clamping member to drive the clamping member to reciprocate along a direction parallel to the linear guide rail.

9. The machining fixture according to claim 8, characterized in that: The second driving component is a hydraulic cylinder.

10. A machining fixture, comprising a base frame, characterized in that: It also includes at least one machining fixture as described in any one of claims 1-9, arranged sequentially, wherein the machining fixture is detachably connected to the base frame.

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