A processing and positioning device for a self-spring-opening pressure plate

Abstract

This utility model discloses a processing positioning device with a self-spring-opening pressure plate, including a base plate, at least one annular pressure plate array on the base plate, the annular pressure plate array including several pressure plates distributed along the circumference, the interior of the annular pressure plate array being a workpiece positioning area; one end of the pressure plate is a pressure end used to press the workpiece; the pressure plate is mounted on the base plate via a support column, the pressure plate and the support column are rotatably coupled, and the pressure end can rotate around the support column; there is an elastic connecting member between the pressure plate and the support column; when the pressure end rotates around the support column to point towards the workpiece positioning area, the elastic connecting member torsionally deforms, causing the pressure end of the pressure plate to have a tendency to rotate back; a locking mechanism is also provided on the pressure plate, which can lock the pressure end to point towards the workpiece positioning area. This utility model eliminates the need for manual rotation of the pressure plate when disassembling the workpiece, saving time and improving processing efficiency.

Description

Technical Field

[0001] This utility model relates to a processing positioning device, and more particularly to a processing positioning device for a self-spring-opening pressure plate. Background Technology

[0002] Many workpieces require positioning with tooling before processing. For low-volume production, manual clamping plates are generally used without considering hydraulic tooling. When disassembling workpieces, operators need to manually rotate the clamping plates one by one, which takes a long time and affects processing efficiency. Summary of the Invention

[0003] Purpose of the invention: In order to overcome the shortcomings of the existing technology, this utility model provides a processing positioning device with a self-spring-opening pressure plate, which eliminates the need to manually turn the pressure plate when disassembling the workpiece, thereby saving time and improving processing efficiency.

[0004] Technical Solution: To achieve the above objectives, this utility model provides a processing and positioning device for a self-spring-opening pressure plate, comprising a base plate, on which is at least one annular pressure plate array. The annular pressure plate array includes several pressure plates distributed along a circumferential direction, and the interior of the annular pressure plate array is a workpiece positioning area. One end of the pressure plate is a pressure-applying end, used to press the workpiece. The pressure plate is mounted on the base plate via a support column, and the pressure plate and the support column are rotatably coupled, allowing the pressure-applying end to rotate around the support column. There is an elastic connecting member between the pressure plate and the support column. When the pressure-applying end rotates around the support column to point towards the workpiece positioning area, the elastic connecting member undergoes torsional deformation, causing the pressure-applying end of the pressure plate to have a tendency to rotate back. A locking mechanism is also provided on the pressure plate, which can lock the pressure-applying end to point towards the workpiece positioning area.

[0005] Furthermore, the pressure plate can slide up and down on the support column; when the pressure plate moves down, the elastic connector is compressed and deformed, causing the pressure plate to tend to rise back.

[0006] Furthermore, the elastic connector is a helical spring, which is sleeved on the support column; the upper and lower ends of the helical spring are respectively connected to rods, and a slot is opened on the pressure plate and the support column, and the two rods are respectively inserted into the two slots.

[0007] Furthermore, the locking mechanism includes a locking nut; the top of the support column has a screw section, which passes upward through the pressure plate and is threadedly connected to the locking nut.

[0008] Furthermore, the base plate is also provided with several push rods. When the pressure end of the pressure plate points to the workpiece positioning area, the other end of the pressure plate is located directly above the push rod, and the bottom of the pressure plate has a slot that cooperates with the push rod.

[0009] Furthermore, the base plate is also provided with several leveling blocks, which are used to support the workpiece; when the pressure end of the pressure plate points to the workpiece positioning area, the pressure end of the pressure plate is located above the leveling blocks.

[0010] Furthermore, the workpiece is a fan-shaped part, and the base plate is also provided with a center positioning module and an angle positioning module; the center positioning module positions the center of the fan-shaped part, restricting the fan-shaped part within the workpiece positioning area; the angle positioning module positions the angle of the fan-shaped part, restricting the fan-shaped part from rotating around its center.

[0011] Furthermore, the base plate is provided with two annular pressure plate arrays, which respectively position the front and back sides of the fan-shaped part.

[0012] Beneficial effects: This utility model discloses a processing positioning device for a self-spring-opening pressure plate. A helical spring is located between the pressure plate and the support column. When the pressure plate is twisted and pressed against the workpiece, the helical spring will undergo torsional and compressive deformation. Therefore, when it is necessary to disassemble the workpiece, the locking nut on the pressure plate is loosened, and the pressure plate will be lifted and reset under the combined action of the compressive and torsional potential energy of the helical spring, thereby realizing the rapid spring-opening of the pressure plate. This eliminates the need for operators to manually turn the pressure plates one by one, thus improving processing efficiency. Attached Figure Description

[0013] Appendix Figure 1 This is a schematic diagram of the overall structure of the processing and positioning device of this utility model;

[0014] Appendix Figure 2 This is a schematic diagram of a pressure plate pressing on a sector-shaped part.

[0015] Appendix Figure 3 This is a schematic diagram showing the pressure plate being released.

[0016] Appendix Figure 4 This is a schematic diagram of a helical spring on a support column;

[0017] Appendix Figure 5 This is a schematic diagram of the slot structure on the pressure plate;

[0018] Appendix Figure 6 A schematic diagram of the structure of a helical spring. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] As attached Figures 1 to 6The processing and positioning device for a self-spring-opening pressure plate includes a base plate 1, on which there is at least one annular pressure plate array. The annular pressure plate array includes several pressure plates 2 distributed along the circumferential direction. The interior of the annular pressure plate array is a workpiece positioning area. The workpiece to be processed is placed in the workpiece positioning area and pressed by the several pressure plates 2.

[0021] One end of the pressure plate 2 is the pressure end 3, which is used to press the workpiece. The pressure plate 2 is mounted on the base plate 1 via a support column 4. The pressure plate 2 and the support column 4 are rotatably coupled, allowing the pressure end 3 of the pressure plate 2 to rotate around the support column 4, thereby changing the orientation of the pressure end 3. There is an elastic connector between the pressure plate 2 and the support column 4. When the pressure end 3 rotates around the support column 4 to point towards the workpiece positioning area, the pressure plate 2 will twist the elastic connector, causing the elastic connector to deform to the torsional direction and store torsional potential energy. After the elastic connector deforms to the torsional direction, it applies an elastic force to the pressure plate 2, causing the pressure end 3 of the pressure plate 2 to tend to rotate back to its original position.

[0022] A locking mechanism is also provided on the pressure plate 2, as shown in the attached figure. Figure 2 As shown, the locking mechanism can lock the pressure plate 2 onto the support column 4, thereby locking the pressure end 3 to point towards the workpiece positioning area. When the locking mechanism releases the pressure plate 2, the elastic connector releases the stored torsional potential energy, causing the pressure plate 2 to rotate back to its original position, causing the pressure end 3 of the pressure plate 2 to move away from above the workpiece positioning area, as shown in the attached diagram. Figure 3 As shown in the diagram, this facilitates the placement and removal of the workpiece within the workpiece positioning area. Therefore, when disassembling the workpiece after processing, the elastic connector allows the pressure plate 2 to spring open quickly, eliminating the need for operators to manually rotate each pressure plate 2 individually, thus improving processing efficiency.

[0023] The pressure plate 2 also slides along the support column 4, allowing it to move up and down. When the pressure plate 2 moves downward, it presses down on the elastic connector, causing it to compress and deform, storing compressive potential energy. The compressed elastic connector then exerts an upward elastic force on the pressure plate 2, causing it to tend to rise. Therefore, when the locking mechanism releases the pressure plate 2, the elastic connector releases its compressive potential energy, lifting the pressure plate 2 upward.

[0024] Specifically, as shown in the attached document Figure 6 As shown, the elastic connector is a helical spring 5, which is fitted onto the support column 4. Vertical arms 6 are connected to the upper and lower ends of the helical spring 5, respectively. A slot 7 is provided on both the pressure plate 2 and the support column 4. The upper arm 6 of the helical spring 5 is inserted into the slot 7 at the bottom of the pressure plate 2, and the lower arm 7 of the helical spring 5 is inserted into the slot 7 on the side profile surface of the support column 4. The slot 7 at the bottom of the pressure plate 2 is shown in the attached figure. Figure 5 As shown in the figure, the slot 7 on the side profile surface of the support 4 is as attached. Figure 4 As shown in the image.

[0025] Due to the tooling structure and the spatial position of the workpiece in the tooling, the initial angle and working torsion direction of the pressure plate 2 relative to the workpiece are different. Therefore, the helical spring 5 can be either left-handed or right-handed depending on the installation position.

[0026] The locking mechanism includes a locking nut 8. A screw section is located at the top of the support column 4, and a rotating hole is provided in the middle of the pressure plate 2. The rotating hole is rotatably engaged with the screw section. The screw section passes upward through the rotating hole and through the pressure plate 2. The top of the screw section is threadedly engaged with the locking nut 8. By tightening the locking nut 8, the pressure plate 2 can be pressed down and locked.

[0027] The base plate 1 is also provided with several push rods 9, which can assist in locking the pressure plate 2. When the pressure end 3 of the pressure plate 2 points to the workpiece positioning area, the other end of the pressure plate 2 is located directly above the push rod 9, and the bottom of the pressure plate 2 has a slot 10 that cooperates with the push rod 9. When the pressure plate 2 moves down, the push rod 9 is inserted into the slot 10, thereby limiting the pressure plate 2 and keeping the pressure end 3 of the pressure plate 2 pointing to the workpiece positioning area.

[0028] The base plate 1 is also provided with a plurality of equal-height blocks 11, which are used to support the workpiece. The number of equal-height blocks 11 is greater than or equal to the number of pressure plates 2. When the pressure end 3 of the pressure plate 2 points to the workpiece positioning area, the pressure end 3 of the pressure plate 2 is located above the equal-height blocks 11. The pressure plate 2 and the equal-height blocks 11 cooperate to clamp the workpiece and position the workpiece in the vertical direction.

[0029] The workpiece is a fan-shaped part 12, and a center positioning module and an angle positioning module are also provided on the base plate 1. The center positioning module positions the center of the fan-shaped part 12, restricting the fan-shaped part 12 within the workpiece positioning area; the angle positioning module positions the angle of the fan-shaped part 12, restricting the fan-shaped part 12 from rotating around its center.

[0030] In addition, two annular pressure plate arrays are provided on the base plate 1, which respectively position the front and back sides of the fan-shaped part 12. (See attached image) Figure 2 and 3 The two annular pressure plate arrays correspond to the left station 13 and the right station 14, respectively. In practical applications, the processing of the fan-shaped part 12 is divided into two steps. First, the surface and holes of the fan-shaped part 12 on the left station 13 are processed. Then, the fan-shaped part 12 is flipped over, and using the surface and holes processed on the left station 13 for positioning, the fan-shaped part 12 is clamped on the right station 14 to complete the processing of all surfaces and holes on the other side of the fan-shaped part 12. Since there are two stations on the base plate 1, the clamping time can be shortened, and the processing efficiency of the fan-shaped part 12 can be improved.

[0031] Combined with appendix Figure 2 and 3 The section describes the center positioning module and the angle positioning module. On the left workstation 13, five leveling blocks 11 are distributed circumferentially. The top surface of each leveling block 11 supports an annular plane of the fan-shaped part 12. The pressure plate 2 and the leveling blocks 11 position the fan-shaped part 12 in the height direction. The upper cylindrical surface of the leveling block 11 is tangent to the outer cylindrical surface of the step of the fan-shaped part 12, thus forming the center positioning module to position the center of the fan-shaped part 12. The angle positioning module on the left workstation 13 is a V-shaped directional block 15. The V-shaped directional block 15 engages the process support on the casting blank surface of the fan-shaped part 12, thereby restricting the angle of the fan-shaped part 12 and preventing it from rotating on the left workstation 13. Thus, all six degrees of freedom of the fan-shaped part 12 on the left workstation 13 are restricted, achieving complete positioning.

[0032] On the right-side workstation 14, six circumferentially distributed equal-height blocks 11 support a ring-shaped plane of the fan-shaped part 12. The pressure plate 2 and the equal-height blocks 11 position the fan-shaped part 12 in the height direction. The center positioning module includes a large cylindrical pin 16 set on the base, located at the center of the six equal-height blocks 11, and the large cylindrical pin 16 is positioned and engaged with the center hole of the fan-shaped part 12. The angle positioning module includes a rhombus pin 17 set on the base, which engages with a small hole on the fan-shaped part 12 to limit the angle of the fan-shaped part 12 and prevent the fan-shaped part 12 from rotating on the right-side workstation 14. Since the hole on the fan-shaped part 12 that engages with the rhombus pin 17 to determine the direction of rotation is easily confused with other holes on the same circumference, an anti-mistake limit pin 18 is set near each of the two straight edges of the fan-shaped part 12 to prevent batch scrap due to incorrect installation of the rhombus pin 17 engaging the hole. As a result, all six degrees of freedom of the sector-shaped part 12 on the right station 14 are restricted, achieving complete positioning.

[0033] When positioning the fan-shaped part 12 using this invention, the fan-shaped part 12 is first placed on each of the equal-height blocks 11 within the workpiece positioning area. At this time, each pressure plate 2 is as shown in the attached figure. Figure 3 As shown in the diagram, the pressure plate 2 is then rotated and pressed down, so that the pressure end 3 of the pressure plate 2 points into the workstation positioning area. During this process, the helical spring 5 undergoes torsional deformation, storing torsional potential energy, and the helical spring 5 also undergoes compression deformation, storing compressive potential energy. Then, the locking nut 8 installed on the pressure plate 2 is tightened to lock the pressure plate 2, ensuring the reliable clamping of the fan-shaped part 12. The fan-shaped part 12 is then processed. After processing, the locking nut 8 is slightly loosened, and the pressure plate 2 is lifted and reset under the combined action of the compressive and torsional potential energy of the helical spring 5, achieving rapid opening of the pressure plate 2. This eliminates the need for operators to manually rotate the pressure plates 2 one by one, allowing for quick loading and unloading of the fan-shaped part 12.

[0034] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A self-ejecting clamp plate positioning device, characterized by: Includes a base plate (1), on which there is at least one annular pressure plate array, the annular pressure plate array includes several pressure plates (2) distributed along the circumferential direction, the interior of the annular pressure plate array is a workpiece positioning area; one end of the pressure plate (2) is a pressure end (3), which is used to press the workpiece; the pressure plate (2) is mounted on the base plate (1) through a support column (4), the pressure plate (2) and the support column (4) are rotatably engaged, and the pressure end (3) can rotate around the support column (4); There is an elastic connector between the pressure plate (2) and the support column (4); when the pressure end (3) rotates around the support column (4) to point to the workpiece positioning area, the elastic connector twists and deforms, causing the pressure end (3) of the pressure plate (2) to have a tendency to rotate; a locking mechanism is also provided on the pressure plate (2), which can lock the pressure end (3) to point to the workpiece positioning area.

2. The self-ejecting press plate positioning device of claim 1, wherein: The pressure plate (2) can slide up and down on the support column (4); when the pressure plate (2) moves down, the elastic connector is compressed and deformed, so that the pressure plate (2) has a tendency to rise.

3. The self-ejecting clamp plate positioning device of claim 2, wherein: The elastic connector is a helical spring (5), which is sleeved on the support column (4). The upper and lower ends of the helical spring (5) are respectively connected to rods (6), and a slot (7) is opened on the pressure plate (2) and the support column (4). The two rods (6) are respectively inserted into the two slots (7).

4. The self-ejecting fixture of claim 2, wherein: The locking mechanism includes a locking nut (8); the top of the support column (4) has a screw section, which passes upward through the pressure plate (2) and is threadedly connected to the locking nut (8).

5. The self-ejecting clamp plate positioning device of claim 4, wherein: The base plate (1) is also provided with several push rods (9). When the pressure end (3) of the pressure plate (2) points to the workpiece positioning area, the other end of the pressure plate (2) is located directly above the push rod (9), and the bottom of the pressure plate (2) has a slot (10) that cooperates with the push rod (9).

6. The self-ejecting press plate positioning device of claim 1, wherein: The base plate (1) is also provided with several equal height blocks (11), which are used to support the workpiece; when the pressure end (3) of the pressure plate (2) points to the workpiece positioning area, the pressure end (3) of the pressure plate (2) is located above the equal height block (11).

7. The self-ejecting clamp plate positioning device of claim 1, wherein: The workpiece is a fan-shaped part (12), and the base plate (1) is also provided with a center positioning module and an angle positioning module; the center positioning module positions the center of the fan-shaped part (12) and restricts the fan-shaped part (12) within the workpiece positioning area; the angle positioning module positions the angle of the fan-shaped part (12) and restricts the fan-shaped part (12) from rotating around its center.

8. The self-ejecting clamp plate positioning device of claim 7, wherein: Two annular pressure plate arrays are provided on the base plate (1), and the two annular pressure plate arrays respectively position the front and back sides of the fan-shaped part (12).

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