Workbench positioning and pressing device of machining platform

Abstract

The utility model relates to the technical field of positioning and clamping devices, in particular to a machining platform workbench positioning and pressing device which comprises an operation table top and a first adjusting screw rod, a sliding groove is formed in the middle of the upper surface of the operation table top in an annular array mode, and a clamping mechanism is installed in the sliding groove in a sliding mode. An air cylinder is fixedly mounted in the middle of the lower surface of the operation table; the clamping mechanism comprises a sliding block, the sliding block is slidably installed on the inner side of the sliding groove, a second connecting base is movably installed on the top of the sliding block in a covering mode, an anti-skid pad is movably installed on one side of the second connecting base, a first connecting base is fixedly installed at the bottom of the sliding block, and a connecting frame is rotatably installed at the bottom of the first connecting base. A bottom plate is fixedly installed at the bottom of the air cylinder, and third connecting bases are fixedly installed on the upper surface of the bottom plate in an annular array mode. The clamping device solves the problem of limitation of a device in the prior art when a workpiece in a special shape is clamped.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning and clamping devices, in particular to a positioning and pressing device for a machining platform workbench. Background Technique

[0002] In the design and application process of automotive inspection tools, there are sometimes specific requirements to ensure the precise centering and alignment of products. After a large number of searches, the publication number is CN211760924U, which discloses a centering positioning and synchronous pressing mechanism, which includes a support; a lower fixed plate installed on the support; an upper fixed plate, with a support round table in the middle of the bottom of the upper fixed plate, and the upper fixed plate is supported and fixed on the lower fixed plate through the support round table, and the upper fixed plate is provided with a number of guide grooves; a turntable, the turntable is annular and sleeved on the periphery of the support round table, the turntable is provided with a number of long strip eccentric grooves along the circumference, and a rotating handle is arranged on the outer side of the turntable; a surface positioning block fixed in the middle of the upper surface of the upper fixed plate; a number of locking components, each locking component includes a slider, a pressing head and an eccentric groove sliding head, the slider is slidably matched in the guide groove, the pressing head is fixed on the slider, and the eccentric groove sliding head is installed at the bottom of the slider and is slidably matched in the long strip eccentric groove.

[0003] The above device uses the turntable to rotate and drive the wedge linkage mechanism composed of the long strip eccentric groove and the eccentric groove sliding head, which can realize the synchronous operation of the locking components for centering positioning and automatic clamping. However, when the workpiece size is special, since the distance from each surface positioning block to the center of the circle is the same in the above device, there are certain limitations in the positioning and pressing operation, and it is difficult to use for workpieces with special shapes. For this reason, a positioning and pressing device for a machining platform workbench is proposed to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a positioning and pressing device for a machining platform workbench, which has the advantage of adjusting the size of the clamping component according to the shape of the workpiece, and solves the problem of limitations of the device in the prior art when clamping workpieces with special shapes.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A positioning and pressing device for a machining platform workbench, including an operation table surface and a first adjusting screw, a chute is annularly arranged in the middle of the upper surface of the operation table surface, a clamping mechanism is slidably installed in the chute, and a cylinder is fixedly installed in the middle of the lower surface of the operation table surface; the clamping mechanism includes a slider, the slider is slidably installed inside the chute, a second connecting seat is movably covered on the top of the slider, an anti-slip pad is movably installed on one side of the second connecting seat, a first connecting seat is fixedly installed at the bottom of the slider, and a connecting frame is rotatably installed at the bottom of the first connecting seat; the bottom of the cylinder is fixedly installed with a bottom plate, and third connecting seats are fixedly installed on the upper surface of the bottom plate in an annular array, and the top of the third connecting seat is rotatably connected to the bottom end of the connecting frame.

[0006] Preferably, a placement groove is provided on one side of the front end of the upper surface of the operation table, and the depth of the placement groove is half of the thickness of the operation table surface. A lifting frame is fixedly installed on the lower surface of the operation table. In the design, a placement groove is specially designed on one side of the front end of the upper surface of the operation table, and its depth is half of the thickness of the operation table surface. This design allows some workpieces to be processed to be placed in the placement groove, facilitating taking. A lifting frame is also fixedly installed on the lower surface of the operation table, enabling the entire device to be adjusted according to the height of the operator to adapt to the use by personnel of different heights.

[0007] Preferably, a soft rubber pad is embedded in the middle of the upper surface of the operation table surface inside the chute, and the upper surface height of the soft rubber pad is higher than the upper surface height of the operation table surface. In the design, a soft rubber pad is embedded in the middle of the upper surface of the operation table surface inside the chute. The upper surface height of the soft rubber pad is slightly higher than the upper surface of the operation table surface. This design can provide a soft contact surface between the workpiece and the operation table surface, reducing damage to the workpiece surface. The use of the soft rubber pad not only protects the workpiece surface but also provides a better friction coefficient to prevent the workpiece from sliding during processing.

[0008] Preferably, the top of the cylinder is fixedly connected to the middle of the lower surface of the operation table through mounting screws, and the bottom end of the cylinder is fixedly connected to the center of the upper surface of the bottom plate through mounting screws. In the design, the top of the cylinder is fixedly connected to the middle of the lower surface of the operation table through mounting screws, and the bottom end of the cylinder is fixedly connected to the center of the upper surface of the bottom plate through mounting screws. This fixing method ensures the stability and reliability of the cylinder. Through the precise fixing method, the cylinder can provide a stable pressure output to ensure the fastening effect of the workpiece during processing.

[0009] Preferably, a second adjusting screw is welded and installed on the top of the slider, and the top of the second adjusting screw is threadedly installed at the bottom of the second connecting seat. In the design, a second adjusting screw is welded and installed on the top of the slider, and the top of this screw is threadedly installed at the bottom of the second connecting seat. This design allows for fine adjustment of the clamping force to adapt to operation table surfaces of different thicknesses. The addition of the second adjusting screw provides a more precise adjustment ability, enabling the clamping mechanism to adapt to more types of workpieces.

[0010] Preferably, one end of the anti-slip pad is movably inserted into one end of the first adjusting screw, and the other end of the first adjusting screw is threadedly installed in the second connecting seat. In the design, one end of the anti-slip pad is movably inserted into one end of the first adjusting screw, and the other end of this screw is threadedly installed in the second connecting seat. This design allows the position of the anti-slip pad to be adjusted as needed. The movably inserted anti-slip pad can be flexibly adjusted according to the size and shape of the workpiece, enhancing the versatility and applicability of the device.

[0011] Preferably, the bottom end of the second connecting seat is designed with an arc structure. A threaded hole for connecting the second adjusting screw is provided at the bottom end of the second connecting seat, and a through-threaded hole for the first adjusting screw to pass through is provided above the second connecting seat. In the design, the bottom end of the second connecting seat is designed with an arc structure and is provided with a threaded hole for connecting the second adjusting screw. At the same time, a through-threaded hole for the first adjusting screw to pass through is provided above. This design provides more adjustment options and flexibility. The design of the arc structure and the through-threaded hole enables the connecting seat to adapt to the adjustment requirements in different directions, increasing the versatility of the device and the convenience of operation.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] In the present utility model, the first adjusting screw allows the operator to make fine adjustments according to the specific size and shape of the workpiece, so as to adapt to various workpieces of different specifications. Due to the adjustment ability of the first adjusting screw, the device can be more widely applied to the clamping of workpieces of different shapes and sizes, improving its applicability in the machining process. By adjusting the size through the first adjusting screw, the operator can quickly adjust the clamping component to adapt to workpieces of special shapes, simplifying the operation process. The adjustment function of the first adjusting screw enables the clamping mechanism to fit the workpiece more closely, thus providing a more stable clamping effect and reducing errors in the machining process. By precisely adjusting the first adjusting screw, damage to the workpiece caused by improper clamping can be avoided, protecting the integrity and machining quality of the workpiece. Since the first adjusting screw provides the ability of quick adjustment, the time for workpiece replacement and clamping setting is reduced, thereby improving the overall production efficiency, achieving the effect of being able to adjust the size of the clamping component according to the shape of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the front view structural schematic diagram of the present utility model;

[0015] Figure 2 is the operating table surface structural schematic diagram of the present utility model;

[0016] Figure 3 is the cross-sectional structural schematic diagram of the clamping mechanism of the present utility model;

[0017] Figure 4 is the cylinder connection structural schematic diagram of the present utility model.

[0018] In the figure: 1, lifting frame; 2, operating table surface; 3, clamping mechanism; 4, placement groove; 5, sliding groove; 6, soft rubber pad; 7, first connecting seat; 8, anti-slip pad; 9, second connecting seat; 10, first adjusting screw; 11, second adjusting screw; 12, slider; 13, connecting frame; 14, third connecting seat; 15, cylinder; 16, bottom plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] Embodiment 1

[0021] As Figure 1 、 Figure 2 、 Figure 3 and Figure 4 shown, an embodiment provided by the present utility model: a positioning and clamping device for a machining platform workbench, including an operation table surface 2 and a first adjusting screw 10. A sliding groove 5 is formed in an annular array in the middle of the upper surface of the operation table surface 2. A clamping mechanism 3 is slidably installed in the sliding groove 5. A cylinder 15 is fixedly installed in the middle of the lower surface of the operation table surface 2; the clamping mechanism 3 includes a slider 12, the slider 12 is slidably installed inside the sliding groove 5, a second connecting seat 9 is movably covered on the top of the slider 12, an anti-slip pad 8 is movably installed on one side of the second connecting seat 9, a first connecting seat 7 is fixedly installed at the bottom of the slider 12, and a connecting frame 13 is rotatably installed at the bottom of the first connecting seat 7; a bottom plate 16 is fixedly installed at the bottom of the cylinder 15, and third connecting seats 14 are fixedly installed in an annular array on the upper surface of the bottom plate 16. The top of the third connecting seat 14 is rotatably connected to the bottom end of the connecting frame 13.

[0022] Specifically, the first adjusting screw 10 allows the operator to make fine adjustments according to the specific dimensions and shapes of the workpieces, so as to adapt to various workpieces of different specifications. Due to the adjustment ability of the first adjusting screw 10, the device can be more widely applied to the clamping of workpieces of different shapes and sizes, improving its applicability in the machining process. By adjusting the size through the first adjusting screw 10, the operator can quickly adjust the clamping components to adapt to workpieces with special shapes, simplifying the operation process. The adjustment function of the first adjusting screw 10 enables the clamping mechanism 3 to fit the workpiece more closely, thus providing a more stable clamping effect and reducing errors during the machining process. By precisely adjusting the first adjusting screw 10, damage to the workpiece caused by improper clamping can be avoided, protecting the integrity and machining quality of the workpiece. Since the first adjusting screw 10 provides the ability of quick adjustment, the time for workpiece replacement and clamping setting is reduced, thereby improving the overall production efficiency, achieving the effect of being able to adjust the size of the clamping components according to the shape of the workpiece.

[0023] Embodiment 2

[0024] In order to improve the stability of the clamping mechanism 3 during operation, as Figure 2 andFigure 4 As shown in the figure, in this embodiment, a placement groove 4 is provided on one side of the front end of the upper surface of the operating table 2. The depth of the placement groove 4 is half of the thickness of the operating table 2. A lifting frame 1 is fixedly installed on the lower surface of the operating table 2. In the design, a placement groove 4 is specifically designed on one side of the front end of the upper surface of the operating table 2, and its depth is half of the thickness of the operating table 2. This design allows some workpieces to be processed to be placed in the placement groove 4, thus facilitating taking. A lifting frame 1 is also fixedly installed on the lower surface of the operating table 2, enabling the entire device to be adjusted according to the operator's height to adapt to the use by personnel of different heights.

[0025] Furthermore, a soft rubber pad 6 is embedded and installed in the middle of the upper surface of the operating table 2 inside the chute 5. The height of the upper surface of the soft rubber pad 6 is higher than the height of the upper surface of the operating table 2. In the design, a soft rubber pad 6 is embedded and installed in the middle of the upper surface of the operating table 2 inside the chute 5. The height of the upper surface of the soft rubber pad 6 is slightly higher than the upper surface of the operating table 2. This design can provide a soft contact surface between the workpiece and the operating table 2, reducing damage to the surface of the workpiece. The use of the soft rubber pad 6 not only protects the surface of the workpiece but also provides a better friction coefficient to prevent the workpiece from sliding during processing.

[0026] Furthermore, the top of the cylinder 15 is fixedly connected to the middle of the lower surface of the operating table 2 through mounting screws, and the bottom end of the cylinder 15 is fixedly connected to the center of the upper surface of the bottom plate 16 through mounting screws. In the design, the top of the cylinder 15 is fixedly connected to the middle of the lower surface of the operating table 2 through mounting screws, and the bottom end of the cylinder 15 is fixedly connected to the center of the upper surface of the bottom plate 16 through mounting screws. This fixing method ensures the stability and reliability of the cylinder 15. Through the precise fixing method, the cylinder 15 can provide a stable pressure output to ensure the fastening effect of the workpiece during processing.

[0027] Embodiment Three

[0028] To facilitate adjusting the distance between the anti-slip pad 8 and the workpiece to adapt to different workpieces, as Figure 3 shown, in this embodiment, further, the top of the slider 12 is welded and installed with a second adjusting screw 11, and the top of the second adjusting screw 11 is threadedly installed at the bottom of the second connecting seat 9. In the design, the top of the slider 12 is welded and installed with a second adjusting screw 11, and the top of this screw is threadedly installed at the bottom of the second connecting seat 9. This design allows for fine adjustment of the clamping force to adapt to the use of operating tables 2 of different thicknesses. The addition of the second adjusting screw 11 provides a more refined adjustment ability, enabling the clamping mechanism 3 to adapt to more types of workpieces.

[0029] Further, one end of the anti-slip pad 8 is movably inserted into one end of the first adjusting screw 10, and the other end of the first adjusting screw 10 is threadedly installed in the second connecting seat 9. In the design, one end of the anti-slip pad 8 is movably inserted into one end of the first adjusting screw 10, and the other end of this screw is threadedly installed in the second connecting seat 9. This design allows the position of the anti-slip pad 8 to be adjusted as needed. The movably inserted anti-slip pad 8 can be flexibly adjusted according to the size and shape of the workpiece, enhancing the versatility and applicability of the device.

[0030] Further, the bottom end of the second connecting seat 9 is designed with an arc structure. A threaded hole for connecting the second adjusting screw 11 is opened at the bottom end of the second connecting seat 9, and a through-threaded hole for the first adjusting screw 10 to pass through is opened above the second connecting seat 9. In the design, the bottom end of the second connecting seat 9 is designed with an arc structure and is provided with a threaded hole for connecting the second adjusting screw 11, and at the same time, a through-threaded hole for the first adjusting screw 10 to pass through is opened above it. This design provides more adjustment options and flexibility. The design of the arc structure and the through-threaded hole enables the connecting seat to adapt to the adjustment requirements in different directions, increasing the versatility of the device and the convenience of operation.

[0031] When the utility model is in use, place the workpiece on the soft rubber pad 6, operate the cylinder 15, so that the bottom plate 16 at its bottom drives the third connecting seat 14 to move downward, and then through the connecting frame 13, the first connecting seat 7 moves downward, thereby realizing the sliding of the slider 12 on the operation table 2 through the chute 5, and making the anti-slip pad 8 move towards the workpiece side, and clamping the workpiece. When the size of the workpiece is irregular, the length of the first adjusting screw 10 extending out of the second connecting seat 9 can be adjusted as needed, so as to adjust the distance between the anti-slip pad 8 and the workpiece. When the workpiece is stably clamped on the operation table 2 and the position is accurate, machining operations can be started. After the machining is completed, the pressing force can be released by operating the cylinder 15, so that the first connecting seat 7 moves upward, and then the clamping mechanism 3 releases the workpiece.

[0032] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A positioning and clamping device for a machining platform workbench, comprising an operating table (2) and a first adjusting screw (10), wherein a slide groove (5) is provided in a circular array in the middle of the upper surface of the operating table (2), a clamping mechanism (3) is slidably installed in the slide groove (5), and a cylinder (15) is fixedly installed in the middle of the lower surface of the operating table (2), characterized in that: The clamping mechanism (3) comprises a slider (12), the slider (12) is slidably mounted inside the slide groove (5), a second connecting seat (9) is installed on the top of the slider (12), an anti-slip pad (8) is movably mounted on one side of the second connecting seat (9), a first connecting seat (7) is fixedly mounted on the bottom of the slider (12), and a connecting frame (13) is rotatably mounted on the bottom of the first connecting seat (7); A bottom plate (16) is fixedly mounted on the bottom of the cylinder (15), and a third connecting seat (14) is fixedly mounted on the upper surface of the bottom plate (16) in a circular array, and the top of the third connecting seat (14) is rotatably connected to the bottom end of the connecting frame (13).

2. A positioning and clamping device for a machining platform workbench according to claim 1, characterized in that: A placement groove (4) is provided on one side of the front end of the upper surface of the operating table (2); the depth of the placement groove (4) is half the thickness of the operating table (2); and a lifting frame (1) is fixedly mounted on the lower surface of the operating table (2).

3. The positioning and clamping device for a machining platform workbench according to claim 1, characterized in that: A soft rubber pad (6) is embedded in the middle of the upper surface of the operating table (2) inside the slide groove (5), and the height of the upper surface of the soft rubber pad (6) is higher than the height of the upper surface of the operating table (2).

4. The positioning and clamping device for a machining platform workbench according to claim 1, characterized in that: The top of the cylinder (15) is fixedly connected to the middle of the lower surface of the operating table (2) by means of mounting screws, and the bottom of the cylinder (15) is fixedly connected to the center of the upper surface of the base plate (16) by means of mounting screws.

5. The positioning and clamping device for a machining platform workbench according to claim 1, characterized in that: A second adjusting screw (11) is welded and installed on the top of the sliding block (12), and the top of the second adjusting screw (11) is threadedly installed on the bottom of the second connecting seat (9).

6. The positioning and clamping device for a machining platform workbench according to claim 1, characterized in that: One end of the anti-slip pad (8) is movably inserted into one end of the first adjusting screw (10), and the other end of the first adjusting screw (10) is threadedly installed in the second connecting seat (9).

7. The positioning and clamping device for a machining platform workbench according to claim 1, characterized in that: The bottom end of the second connecting seat (9) adopts an arc-shaped structural design, and a screw hole for connecting the second adjusting screw (11) is provided at the bottom end of the second connecting seat (9), and a through screw hole for the first adjusting screw (10) to pass through is provided above the second connecting seat (9).

Images