CN210878644U - Clamp for processing annular workpiece - Google Patents
Clamp for processing annular workpiece Download PDFInfo
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- CN210878644U CN210878644U CN201921634640.2U CN201921634640U CN210878644U CN 210878644 U CN210878644 U CN 210878644U CN 201921634640 U CN201921634640 U CN 201921634640U CN 210878644 U CN210878644 U CN 210878644U
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- annular workpiece
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- annular
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Abstract
The utility model discloses a clamp for processing an annular workpiece, which relates to a clamp and has the technical scheme that the clamp comprises a base, wherein the base is provided with a plurality of fixing holes for penetrating bolts, and at least two groups of mortgage components for applying pressure perpendicular to the direction of the top surface of the base to clamp the annular workpiece, and the mortgage components are distributed in a circumferential array around the geometric center of the top surface of the base; and the limiting component is used for being matched with a preset hole on the circumferential side surface of the annular workpiece for limiting. The utility model has the advantages of press from both sides the dress firm, just convenient location to annular work piece.
Description
Technical Field
The utility model relates to an anchor clamps, more specifically say, it relates to an anchor clamps are used in annular work piece processing.
Background
Fig. 1 shows a ring-shaped workpiece 8 made of a metal material, which is provided with a predetermined hole 81 in a circumferential side wall thereof. When the end face of the annular workpiece 8 is provided with the sink groove or the counter bore, the annular workpiece 8 needs to be clamped and fixed firmly by a clamp.
For example, the prior art chinese patent publication No. CN102728765B discloses a ring part clamp. Including three-jaw wedge type power chuck seat and a plurality of being located base claw on the three-jaw wedge type power chuck seat, its characterized in that, fixedly connected with jack catch hydraulic seat on the base claw, use three-jaw wedge type power chuck seat centre of a circle evenly to arrange a plurality of jack catch base holes as the axle center on the jack catch hydraulic seat, be equipped with jack catch piston and jack catch in the jack catch base hole in proper order, the jack catch piston is in promote under the effect of the downthehole hydraulic oil of jack catch base the jack catch is followed radial motion is to the centre of a circle of three-jaw wedge type power chuck seat.
Although the stable centre gripping to annular part can be realized to above-mentioned patent, can't guarantee successively the uniformity of processing work piece fixed position, and then be difficult to guarantee the uniformity of the heavy groove or the counter bore position that annular workpiece end face was seted up. Therefore, there is a need for improvements in the prior art.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an anchor clamps are used in annular workpiece processing, it has the advantage of pressing from both sides the dress firm, just convenient location to annular workpiece.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the clamp for processing the annular workpiece comprises a base, at least two groups of mortgage components and a clamping device, wherein the base is provided with a plurality of fixing holes for penetrating bolts, the mortgage components are used for applying pressure in the direction vertical to the top surface of the base so as to clamp the annular workpiece, and the mortgage components are distributed in a circumferential array around the geometric center of the top surface of the base; and the limiting component is used for being matched with a preset hole on the circumferential side surface of the annular workpiece for limiting.
Through adopting above-mentioned technical scheme, with the help of being the annular workpiece support tightly with the base top surface with the mortgage part application pressure that the circumference array distributes, with the help of spacing part and the cooperation between the hole of predetermineeing, it is firm further to fix the annular workpiece simultaneously. The annular workpiece is not easy to loosen after being fixed, the relative position relation between the sinking groove and the limiting mechanism can be conveniently determined by means of the limiting mechanism when the sinking groove is machined on the end face of the annular workpiece, workpieces machined successively can be fixed at the same angle, and the deviation of the machining positions of the holes or the grooves on the same batch of products is reduced.
Furthermore, the mortgage component comprises a pressing block, a mounting bolt and a positioning bolt, the mounting bolt penetrates through the pressing block and is inserted into the base, the positioning bolt is inserted into the pressing block and is located on one side of the mounting bolt, and one end, far away from the positioning bolt, of the pressing block is used for tightly abutting against the end face of the annular workpiece.
Through adopting above-mentioned technical scheme, can be connected the briquetting in the base with the help of the construction bolt. One end of the pressing block is tightly pressed on the annular workpiece, and the other end of the pressing block is provided with a positioning bolt in a penetrating way, so that a certain distance is reserved between the pressing block and the base. The both ends of the pressing block installed in the mode are stably stressed, the fixing effect on the annular workpiece is better, and the workpiece is not easy to damage.
Furthermore, a first kidney-shaped hole for the mounting bolt to penetrate through is formed in the pressing block along the length direction of the pressing block.
By adopting the technical scheme, the pressing block can be moved along the length direction of the first waist-shaped hole before being locked, so that the contact area between the pressing block and the annular workpiece can be adjusted. The mounting bolts are then tightened to secure the press block in place. The position of briquetting is adjustable, makes the utility model discloses can be used for pressing from both sides of different width annular work pieces to adorn fixedly.
Furthermore, one end, far away from the positioning bolt, of the pressing block is provided with an elastic layer.
Through adopting above-mentioned technical scheme, played and reduced skid, increased the effect to the fixed fastness of annular work piece and prevent annular work piece fish tail.
Furthermore, the limiting component comprises a positioning column vertically arranged on the top surface of the base and a positioning rod detachably arranged on the positioning column, a second waist-shaped hole is formed in the positioning column along the length direction of the positioning column, and an adjusting bolt is inserted into the second waist-shaped hole.
By adopting the technical scheme, the end part of the positioning rod is inserted into the preset hole on the circumferential side surface of the annular workpiece, and the annular workpiece can be fixed by screwing the adjusting bolt, so that the annular workpiece is convenient to fix and position.
Furthermore, the top surface of the base is provided with a positioning hole, the bottom end of the positioning column is inserted into the positioning hole, and the positioning column is in threaded connection with the positioning hole.
Through adopting above-mentioned technical scheme, insert the reference column the locating hole screw can, have the installation stable, convenient effect.
Furthermore, the top surface of base is provided with circular boss, circular boss's diameter is less than or equal to annular work piece internal diameter, thickness is less than the axial thickness of annular work piece, the mortgage part sets up in circular boss's top surface.
By adopting the technical scheme, the annular workpiece is installed, so that the annular workpiece can be preliminarily positioned by sleeving the annular workpiece on the annular boss, and the convenience for clamping and fixing the workpiece is improved.
Further, the fixed orifices are provided with eight, four the fixed orifices distribute in the four corners of base top surface, four the fixed orifices distribute in circular boss top surface and along the equidistant distribution of circumference of circular boss.
Through adopting above-mentioned technical scheme, wear to establish the bolt and can firmly fix the base, firm, the difficult not hard up of processing man-hour of installation to anchor clamps.
To sum up, the utility model discloses following beneficial effect has:
1. the utility model discloses apply pressure with the help of the mortgage part that is circumferential array distribution and support annular work piece tight with the base top surface, simultaneously with the help of spacing part and the cooperation between the preset hole, it is further firm to fix annular work piece, make annular work piece difficult not hard up after fixed, can conveniently confirm the relative position relation between heavy groove/counter bore and the stop gear with the help of stop gear when processing heavy groove or counter bore on annular work piece terminal surface, and can make the position that the work piece that successively processes is fixed the same, difficult deviation appears, can keep the uniformity of heavy groove processing position on each annular work piece;
2. in the preferred scheme, a circular boss is arranged on the top surface of the base, so that the installation convenience of the annular workpiece is further improved.
Drawings
FIG. 1 is a schematic structural diagram of a prior art annular workpiece;
FIG. 2 is a schematic structural view of a jig for machining an annular workpiece according to an embodiment;
FIG. 3 is a method diagram of portion A of FIG. 2;
FIG. 4 is a diagram showing the operation of the jig for machining an annular workpiece according to the embodiment.
In the figure: 1. a base; 11. a fixing hole; 12. positioning holes; 13. a circular boss; 2. briquetting; 21. a first kidney-shaped hole; 22. an elastic layer; 3. installing a bolt; 4. positioning the bolt; 5. positioning a rod; 51. a second kidney-shaped hole; 6. a positioning column; 7. adjusting the bolt; 8. an annular workpiece; 81. and presetting holes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
a clamp for processing an annular workpiece is disclosed, referring to fig. 2, and comprises a rectangular base 1, wherein a circular boss 13 is arranged at the geometric center of the top surface of the base 1. The diameter of the circular boss 13 is equal to the inner diameter of the annular workpiece 8 (refer to fig. 1), and when the annular workpiece 8 is clamped, the circular boss 13 is sleeved with the workpiece, so that the annular workpiece 8 can be preliminarily fixed.
Referring to fig. 2 and 3, the top surface of the circular boss 13 is provided with eight sets of pressing members for applying a pressure in a direction perpendicular to the top surface of the base 1 to further clamp the annular workpiece 8 (refer to fig. 1) preliminarily fixed by the circular boss 13. The mortgage component comprises a pressing block 2 arranged along the radial direction of the circular boss 13, and the middle part of the pressing block 2 is provided with a first waist-shaped hole 21 consistent with the length direction of the pressing block 2. The mounting bolt 3 penetrates through the first kidney-shaped hole 21, and the mounting bolt 3 penetrates through the first kidney-shaped hole 21 and is inserted into the base 1, so that the pressing block 2 is firmly mounted. One end of the pressing block 2, which is deviated from the circle center of the circular boss 13, is coated with the elastic layer 22, so that the workpiece can be prevented from being scratched while the fitting degree of the workpiece is increased. The elastic layer 22 may be a rubber layer coated on the end of the press block 2 or a textile fabric layer coated on the end of the press block 2, and in this embodiment, is selected to be a rubber layer. And a positioning bolt 4 penetrates through one end of the pressing block 2, which is far away from the elastic layer 22, and when a workpiece is clamped, the mounting bolt 3 is screwed so that the positioning bolt 4 is abutted against the top surface of the circular boss 13, and the elastic layer 22 is tightly attached to the surface of the workpiece. The penetrating direction of the positioning bolt 4 on the pressing block 2 is opposite to that of the mounting bolt 3, the two ends of the pressing block 2 are stressed uniformly due to the arrangement of the positioning bolt 4, and the clamping stability of a workpiece is improved. Meanwhile, as the mounting bolt 3 is arranged in the first kidney-shaped hole 21 in a penetrating mode, the position of the pressing block 2 can be adjusted in the length direction before locking, so that clamping and fixing of annular workpieces 8 with different widths are adapted.
Referring to fig. 2 and 3, in order to facilitate positioning when machining a sink or a counterbore on the end surface of the annular workpiece 8 (see fig. 1), the jig of the present embodiment is further provided with a stopper member. The limiting part comprises a positioning column 6 perpendicular to the top surface of the base 1, a positioning rod 5 arranged along the length direction perpendicular to the positioning column 6 and an adjusting bolt 7 used for locking the positioning rod 5. The base 1 is provided with a positioning hole 12, and the positioning column 6 is inserted into the positioning hole 12 and is in threaded connection with the positioning hole 12. The positioning rod 5 is provided with a second waist-shaped hole 51 along the length direction, the adjusting bolt 7 sequentially penetrates through the second waist-shaped hole 51 and the positioning column 6, and the positioning rod 5 can be locked by screwing the adjusting bolt 7. Meanwhile, the position of the positioning rod 5 can be adjusted along the length direction of the positioning rod 5 before locking, and the clamping requirements of workpieces with different widths can be met.
Referring to fig. 4, when clamping the annular workpiece 8, the annular workpiece 8 is first sleeved on the circular boss 13, and rotated until the predetermined hole 81 on the circumferential side surface is aligned with the positioning rod 5. Adjusting the positioning rod 5 until the positioning rod is inserted into the preset hole 81, and rotating the adjusting bolt 7 for locking. Then, the pressing block 2 is moved one by one until the end provided with the elastic layer 22 is positioned on the end face of the annular workpiece 8, and the pressing block 2 is locked by rotating the mounting bolt 3, so that the annular workpiece 8 can be firmly fixed.
Referring to fig. 4, the base 1 is provided with four fixing holes 11, and bolts are inserted into the fixing holes 11 to firmly attach the jig for processing an annular workpiece of the present embodiment to a processing machine.
The working principle is as follows: the utility model discloses a mortgage part and spacing part cooperate and can firmly press from both sides the dress with annular workpiece 8 for difficult appearance is not hard up, squints the scheduling problem in the course of working. Meanwhile, due to the arrangement of the limiting component, the annular workpiece 8 can be clamped quickly, so that the clamped positions of successively processed workpieces are the same, the processing difference between products in the same batch is small, and the processing quality of the products is improved.
The above-mentioned embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws and protection within the scope of the present invention.
Claims (8)
1. The utility model provides an anchor clamps are used in annular work piece processing, includes base (1), base (1) is provided with a plurality of fixed orificess (11) that are used for wearing to establish the bolt, its characterized in that: the device also comprises at least two groups of mortgage components for applying pressure perpendicular to the top surface of the base (1) to clamp the annular workpiece (8), wherein the mortgage components are distributed in a circumferential array around the geometric center of the top surface of the base (1); and the limiting component is used for being matched with a preset hole (81) on the circumferential side surface of the annular workpiece (8) for limiting.
2. The jig for machining an annular workpiece according to claim 1, characterized in that: the mortgage component comprises a pressing block (2), a mounting bolt (3) and a positioning bolt (4), the mounting bolt (3) penetrates through the pressing block (2) and is inserted into the base (1), the positioning bolt (4) is inserted into the pressing block (2) and is located on one side of the mounting bolt (3), and one end, away from the positioning bolt (4), of the pressing block (2) is used for tightly abutting against the end face of the annular workpiece (8).
3. The jig for machining an annular workpiece according to claim 2, characterized in that: and a first kidney-shaped hole (21) for the mounting bolt (3) to penetrate is formed in the pressing block (2) along the length direction of the pressing block.
4. The jig for machining an annular workpiece according to claim 2, characterized in that: and an elastic layer (22) is arranged at one end, far away from the positioning bolt (4), of the pressing block (2).
5. The jig for machining an annular workpiece according to claim 1, characterized in that: the limiting part comprises a positioning column (6) vertically arranged on the top surface of the base (1) and a positioning rod (5) detachably arranged on the positioning column (6), a second waist-shaped hole (51) is formed in the positioning column (6) in the length direction of the positioning column (6), and an adjusting bolt (7) is inserted into the second waist-shaped hole (51).
6. The jig for annular workpiece processing according to claim 5, characterized in that: the top surface of the base (1) is provided with a positioning hole (12), the bottom end of the positioning column (6) is inserted into the positioning hole (12), and the positioning column (6) is in threaded connection with the positioning hole (12).
7. The jig for machining an annular workpiece according to claim 1, characterized in that: the top surface of base (1) is provided with circular boss (13), the diameter of circular boss (13) is less than or equal to annular work piece (8) internal diameter, thickness is less than the axial thickness of annular work piece (8), the mortgage part sets up in the top surface of circular boss (13).
8. The jig for machining an annular workpiece according to claim 7, characterized in that: fixed orifices (11) are provided with eight, four fixed orifices (11) distribute in the four corners of base (1) top surface, four fixed orifices (11) distribute in circular boss (13) top surface and along the equidistant distribution of circumference of circular boss (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921634640.2U CN210878644U (en) | 2019-09-28 | 2019-09-28 | Clamp for processing annular workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921634640.2U CN210878644U (en) | 2019-09-28 | 2019-09-28 | Clamp for processing annular workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210878644U true CN210878644U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921634640.2U Active CN210878644U (en) | 2019-09-28 | 2019-09-28 | Clamp for processing annular workpiece |
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| Country | Link |
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| CN (1) | CN210878644U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091252A (en) * | 2020-09-08 | 2020-12-18 | 中国航发贵州黎阳航空动力有限公司 | Pressing tool for clamping by utilizing inner cavity steps of part and clamping method thereof |
| CN115401303A (en) * | 2021-05-29 | 2022-11-29 | 沈阳富创精密设备股份有限公司 | Rhenium ring welding tool clamp |
| WO2023144954A1 (en) * | 2022-01-27 | 2023-08-03 | 株式会社Fuji | Chuck device equipped with phase-determining mechanism |
-
2019
- 2019-09-28 CN CN201921634640.2U patent/CN210878644U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091252A (en) * | 2020-09-08 | 2020-12-18 | 中国航发贵州黎阳航空动力有限公司 | Pressing tool for clamping by utilizing inner cavity steps of part and clamping method thereof |
| CN115401303A (en) * | 2021-05-29 | 2022-11-29 | 沈阳富创精密设备股份有限公司 | Rhenium ring welding tool clamp |
| WO2023144954A1 (en) * | 2022-01-27 | 2023-08-03 | 株式会社Fuji | Chuck device equipped with phase-determining mechanism |
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