Damping machining device

Abstract

The utility model belongs to the technical field of machining, and discloses a damping machining device. The device comprises a round base, at least two sets of clamping jaws are installed on the base in a sliding mode, the clamping jaws slide in the radial direction of the base, a containing table is formed on the sides, close to the circle center of the base, of the clamping jaws, a protruding part is formed on the sides, away from the circle center of the base, of the clamping jaws, the protruding part abuts against the side wall of a machined part, and the machined part is square on the containing table. A supporting column is installed between every two adjacent clamping jaws, the lower end of each supporting column is installed on the base, and the upper end of each supporting column abuts against the bottom face of the machined part. The problems that in the prior art, when a machined part is machined on a chuck, large vibration occurs, and the machining precision is reduced are solved.

Description

Technical Field

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

[0002] When turning large rings or thin-walled parts, the workpiece is placed on a fixed chuck, which rotates on itself to drive the workpiece to rotate, and the tool contacts the rotating surface of the workpiece to process the workpiece.

[0003] During the machining process, the fixed chuck includes three groups of jaws, which are used to fix the workpiece. Since the area between adjacent jaws will cause the workpiece to appear suspended, when the tool processes the above-mentioned suspended area, the workpiece in the above-mentioned suspended area will be deformed under the contact of the tool. Since the spacing between the jaws is large, the deformation degree of the workpiece will be large. Afterwards, due to the elasticity of the workpiece itself, the workpiece will rebound and vibrate perpendicular to the chuck. The above vibration will be transmitted to the entire workpiece, which will eventually make the tool unable to accurately process the workpiece. Under the interference of the above vibration, large machining errors will occur. Utility Model Content

[0004] The utility model aims to provide a vibration-damping processing device to solve the problem that a workpiece will vibrate greatly when being processed on a chuck, thereby reducing the processing accuracy in the prior art.

[0005] To achieve this purpose, the utility model adopts the following technical scheme: the utility model provides a shock-absorbing processing device, including a base, which is circular, and a claw is slidably installed on the base, and the claw slides radially along the base, and a placing table is formed on the side of the claw close to the center of the base, and a protrusion is formed on the side of the claw away from the center of the base, and the protrusion abuts against the side wall of the workpiece, and the workpiece is placed squarely on the placing table, and the claws include at least two groups, and a support column is installed between each adjacent claw, the lower end of the support column is installed on the base, and the upper end of the support column abuts against the bottom surface of the workpiece.

[0006] Preferably, the clamping claws include three groups, the clamping claws are evenly spaced and distributed in the circumference of the base, three groups of support columns are installed between every two groups of the clamping claws, and the support columns are also distributed in a circular shape.

[0007] Preferably, a first slide groove is provided on the base, a fixing block is slidably installed in the first slide groove, a first screw hole is formed on the fixing block, a stud is formed on the lower side of the support column, and the stud is screwed into the first screw hole.

[0008] Preferably, the cross-sections of the first sliding groove and the fixing block are T-shaped.

[0009] Preferably, a first opening is formed on the side wall of the base, the first opening is communicated with the first sliding groove, and the shape of the first opening is the same as that of the first sliding groove.

[0010] Preferably, a through hole is formed on the claw, the through hole is penetrated in the raised portion, a second slide groove is opened at the bottom of the claw, a bolt is penetrated in the through hole, the bolt head is arranged in the second slide groove, the bolt head is larger than the gap on the second slide groove, and a nut is screwed on the bolt and abuts against the upper side of the raised portion.

[0011] Preferably, a first sawtooth is formed at the bottom of the claw, and second sawtooth is formed on both sides of the gap of the second slide groove, and the first sawtooth and the second sawtooth are plugged into each other.

[0012] Preferably, a second opening is formed on the side wall of the base, and the second opening is communicated with the second sliding groove.

[0013] Beneficial effect: By adding a support column between the jaws, the suspended area of ​​the workpiece is shortened. When the tool processes the suspended area of ​​the workpiece, the deformation of the workpiece is reduced, and the rebound amplitude of the workpiece is reduced, thereby reducing the vibration amplitude of the workpiece during the processing, and ultimately improving the processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a main body diagram of the shock-absorbing processing device of the utility model.

[0015] In the figure: 1. base; 11. first slide groove; 12. second slide groove; 13. first opening; 14. second opening; 15. second serration; 2. claw; 21. placement table; 22. raised portion; 23. through hole; 24. first serration; 3. support column; 4. fixing block; 5. workpiece. DETAILED DESCRIPTION

[0016] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0017] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0019] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0020] Under the existing technology, three sets of jaws are usually installed on the base, resulting in a large distance between the jaws, which will make the suspended area of ​​the workpiece longer. Especially when processing annular workpieces, due to the slenderness of the annular workpieces, the structural strength in the suspended area will be reduced. When the tool abuts against the suspended area of ​​the annular workpiece, the workpiece will be deformed. Since the workpiece itself has elasticity, the workpiece will cause the entire workpiece to vibrate when it rebounds, and the depth of the tool entering the workpiece is inconsistent, which in turn leads to a large error in tool processing.

[0021] In order to solve the above problems, Figure 1As shown, the utility model provides a shock-absorbing processing device, which includes a base 1, which is circular, and a claw 2 is slidably installed on the base 1. The claw 2 slides radially along the base 1, and a placement table 21 is formed on the side of the claw 2 close to the center of the base 1, and a protrusion 22 is formed on the side of the claw 2 away from the center of the base 1, and the protrusion 22 abuts against the side wall of the workpiece 5. The workpiece 5 is placed on the placement table 21, and the claw 2 includes at least two groups, and a support column 3 is installed between each adjacent claw 2, the lower end of the support column 3 is installed on the base 1, and the upper end of the support column 3 abuts against the bottom surface of the workpiece 5.

[0022] By installing support columns 3 in the suspended area of ​​the workpiece 5, the length of the suspended area of ​​the workpiece 5 can be shortened, so that when the workpiece 5 abuts against the tool, the deformation of the workpiece 5 can be reduced, thereby reducing the rebound amplitude of the workpiece 5, and thus reducing the vibration amplitude of the workpiece 5, so that the depth of the tool entering the workpiece 5 remains consistent, thereby improving the accuracy of processing.

[0023] The clamping claws 2 of the present invention include three groups, and the clamping claws 2 are evenly spaced and distributed in the circumference of the base 1. Three groups of support columns 3 are installed between every two groups of clamping claws 2, and the support columns 3 are also distributed in a circular shape.

[0024] The utility model comprises nine groups of support columns 3, which are installed at equal intervals on the circumference of the base 1, thereby shortening the suspended area between each claw 2, shortening the suspended area on the workpiece 5, and reducing the vibration amplitude of the workpiece 5 after being abutted by the tool, thereby improving the processing accuracy.

[0025] A first slide groove 11 is provided on the base 1, and a fixing block 4 is slidably installed in the first slide groove 11. A first screw hole is formed on the fixing block 4, and a stud is formed on the lower side of the support column 3, and the stud is screwed into the first screw hole.

[0026] By providing a fixed block 4 that can slide in the first slide groove 11, the support column 3 can be changed in position along the radial direction of the chassis, so that the support column 3 can abut against the processing parts 5 of different diameters, making the utility model more versatile. By providing the first screw hole, it is convenient for workers to disassemble and adjust the support column 3.

[0027] The cross-sections of the first slide groove 11 and the fixed block 4 are T-shaped, and the T-shaped cross-section is inverted on the side wall of the base 1, so that the fixed block 4 can be limited to prevent the fixed block 4 from shaking, thereby reducing the shaking amplitude of the support column 3, making the workpiece 5 more stable after being fixed on the base 1, and improving the processing accuracy.

[0028] A first opening 13 is formed on the side wall of the base 1 . The first opening 13 is communicated with the first sliding groove 11 . The shape of the first opening 13 is the same as that of the first sliding groove 11 .

[0029] By setting the first opening 13, it is convenient to put in and take out the fixed blocks 4, and the number of the fixed blocks 4 in each group of the first slide grooves 11 can be flexibly adjusted. When the area of ​​the workpiece 5 is large, more fixed blocks 4 can be placed in the first slide grooves 11, and multiple support columns 3 can be distributed along the length direction of the first slide grooves 11 to support the workpiece 5 in more positions, reduce the area of ​​the workpiece 5 suspended at the bottom, reduce the amplitude of the vibration of the workpiece 5, and thus improve the processing accuracy.

[0030] A through hole 23 is formed on the claw 2, and the through hole 23 is penetrated in the raised portion 22. A second slide groove 12 is opened at the bottom of the claw 2, and a bolt is penetrated in the through hole 23. The bolt head is set in the second slide groove 12, and the bolt head is larger than the gap on the second slide groove 12. The nut is screwed on the bolt and abuts against the upper side of the raised portion 22.

[0031] Similarly, by setting the second slide groove 12, the position of the claw 2 can be flexibly changed, so that the claw 2 can fix the workpiece 5 of different diameters. At the same time, the claw 2 can be fixed to the base 1 by bolts to prevent the claw 2 from shaking and reduce the probability of shaking of the workpiece 5.

[0032] The bottom of the clamping jaw 2 is formed with a first sawtooth 24, and the gap of the second slide groove 12 is formed with second sawtooth 15 on both sides, and the first sawtooth 24 and the second sawtooth 15 are plugged into each other. Through the mutual engagement of the first sawtooth 24 and the second sawtooth 15, the clamping jaw 2 can be stably fixed on the base 1, preventing the clamping jaw 2 from sliding in the radial direction, thereby improving the processing accuracy.

[0033] A second opening 14 is formed on the side wall of the base 1 , and the second opening 14 is connected to the second slide groove 12 , so that it is convenient to remove the claw 2 from the base 1 , clean or replace the claw 2 , and improve the versatility of the shock-absorbing processing device.

[0034] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A vibration reduction processing device, characterized in that: The invention comprises a base (1), wherein the base (1) is circular, a clamping claw (2) is slidably mounted on the base (1), the clamping claw (2) slides radially along the base (1), a placing table (21) is formed on the side of the clamping claw (2) close to the center of the base (1), and a protrusion (22) is formed on the side of the clamping claw (2) away from the center of the base (1), the protrusion (22) abuts against the side wall of a workpiece (5), the workpiece (5) is placed squarely on the placing table (21), the clamping claw (2) comprises at least two groups, a support column (3) is mounted between each adjacent clamping claw (2), the lower end of the support column (3) is mounted on the base (1), and the upper end of the support column (3) abuts against the bottom surface of the workpiece (5).

2. The vibration reduction processing device according to claim 1, characterized in that: The clamping claws (2) include three groups, and the clamping claws (2) are evenly spaced and distributed around the base (1). Three groups of support columns (3) are installed between every two groups of the clamping claws (2), and the support columns (3) are also distributed in a circular shape.

3. The vibration reduction processing device according to claim 1, characterized in that: The base (1) is provided with a first slide groove (11), a fixing block (4) is slidably installed in the first slide groove (11), a first screw hole is formed on the fixing block (4), a stud is formed on the lower side of the support column (3), and the stud is screwed into the first screw hole.

4. The vibration reduction processing device according to claim 3, characterized in that: The cross-sections of the first sliding groove (11) and the fixing block (4) are T-shaped.

5. The vibration-damping processing device according to claim 4, characterized in that: A first opening (13) is formed on the side wall of the base (1), the first opening (13) is connected to the first sliding groove (11), and the shape of the first opening (13) is the same as that of the first sliding groove (11).

6. The vibration reduction processing device according to claim 1, characterized in that: A through hole (23) is formed on the clamping claw (2), and the through hole (23) is penetrated in the protruding portion (22). A second slide groove (12) is opened at the bottom of the clamping claw (2), and a bolt is penetrated in the through hole (23). The bolt head is arranged in the second slide groove (12), and the bolt head is larger than the gap on the second slide groove (12). The nut is screwed on the bolt and abuts against the upper side of the protruding portion (22).

7. The vibration-damping processing device according to claim 6, characterized in that: A first saw tooth (24) is formed at the bottom of the clamping claw (2), and second saw teeth (15) are formed on both sides of the gap of the second sliding groove (12), and the first saw tooth (24) and the second saw tooth (15) are plugged into each other.

8. The vibration-damping processing device according to claim 6, characterized in that: A second opening (14) is formed on the side wall of the base (1), and the second opening (14) is in communication with the second sliding groove (12).

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