CN210189060U - Self-centering clamp for processing cylindrical workpieces - Google Patents
Self-centering clamp for processing cylindrical workpieces Download PDFInfo
- Publication number
- CN210189060U CN210189060U CN201920823804.XU CN201920823804U CN210189060U CN 210189060 U CN210189060 U CN 210189060U CN 201920823804 U CN201920823804 U CN 201920823804U CN 210189060 U CN210189060 U CN 210189060U
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- force transmission
- transmission mechanism
- clamping element
- bearing
- lower sliding
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Abstract
The utility model relates to an anchor clamps, especially processing cylinder class work piece from centering anchor clamps. The clamp comprises a clamp body, a driving mechanism, a force transmission mechanism, a clamping element and a guide rail. The force transmission mechanism comprises a left force transmission mechanism and a right force transmission mechanism. The clamping element comprises a left clamping element and a right clamping element which are symmetrical in structure, the left clamping element comprises a left V-shaped block and a left lower sliding table which are detachably connected, the left lower sliding table is arranged on the guide rail in a sliding mode, and the left lower sliding table and the guide rail form a sliding pair; the right clamping element comprises a right V-shaped block and a right lower sliding table which are detachably connected, the right lower sliding table is arranged on the guide rail in a sliding mode, and the right lower sliding table and the guide rail form a sliding pair. One end of the left force transmission mechanism is connected with the driving mechanism, and the other end of the left force transmission mechanism is fixedly connected with the left clamping element; one end of the right force transmission mechanism is connected with the driving mechanism, and the other end of the right force transmission mechanism is fixedly connected with the right clamping element. The utility model discloses a worm gear and connecting rod structure for have from the centering function.
Description
Technical Field
The utility model relates to an anchor clamps, especially processing cylinder class work piece from centering anchor clamps.
Background
The development of modern science and technology is based on experiments, and most of required experimental instruments and equipment need to be supported by higher precision machining technology. In practical situations, when cylindrical workpieces are machined, many clamps cannot be centered, and positioning errors are prone to occurring. The datum location is typically manually performed by an operator before machining. This approach is not only inefficient, but also requires a strong experience from the operator.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a processing cylinder class work piece from centering anchor clamps adopts worm gear and connecting rod structure on the basis of current anchor clamps for have from the centering function, solve the problem that exists among the background art, can also further provide work efficiency.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a self-centering clamp for processing cylindrical workpieces comprises a clamp body, a driving mechanism, a force transmission mechanism, a clamping element and a guide rail, wherein the driving mechanism, the force transmission mechanism, the clamping element and the guide rail are all arranged on the clamp body; the force transmission mechanism comprises a left force transmission mechanism and a right force transmission mechanism. The clamping element comprises a left clamping element and a right clamping element which are symmetrical in structure, the left clamping element comprises a left V-shaped block and a left lower sliding table which are detachably connected, the left lower sliding table is arranged on the guide rail in a sliding mode, and the left lower sliding table and the guide rail form a sliding pair; the right clamping element comprises a right V-shaped block and a right lower sliding table which are detachably connected, the right lower sliding table is arranged on the guide rail in a sliding mode, and the right lower sliding table and the guide rail form a sliding pair. One end of the left force transmission mechanism is connected with the driving mechanism, and the other end of the left force transmission mechanism is fixedly connected with the left clamping element; one end of the right force transmission mechanism is connected with the driving mechanism, and the other end of the right force transmission mechanism is fixedly connected with the right clamping element. The force transmission mechanism is arranged on the side of the guide rail, the force transmission mechanism is driven to rotate through the driving mechanism, and the left V-shaped block and the right V-shaped block move oppositely or back to back under the action of the force transmission mechanism, so that cylindrical workpieces are clamped or released. The V-shaped design of the left V-shaped block and the right V-shaped block is convenient for positioning and clamping cylindrical workpieces. Left side clamping element is including dismantling left V type piece and the left slip table down of connection, and right side clamping element is including dismantling right V type piece and the right slip table down of connection, and this kind of detachable structure mode makes left V type piece, right V type piece to change at any time to satisfy the cylinder work piece of co-altitude not, different diameters from the requirement of feeling relieved.
The self-centering clamp for processing the cylindrical workpiece comprises a worm, and further comprises a first bearing and a second bearing which are arranged in parallel, wherein the first bearing and the second bearing are fixedly arranged on a clamp body, one end of the worm penetrates through the first bearing, the other end of the worm penetrates through the second bearing, and the worm, the first bearing and the second bearing are coaxially arranged. The worm slides and wears to locate in first bearing, the second bearing, and the worm passes through first bearing, the second bearing is fixed on the anchor clamps body.
According to the self-centering clamp for processing the cylindrical workpieces, the left force transmission mechanism comprises the left crank, the left hinge, the left connecting rod and the left worm wheel, one end of the left crank is connected with the left worm wheel, the other end of the left crank is connected with the left connecting rod through the left hinge, the end part, far away from the left hinge, of the left connecting rod is fixedly connected with the left clamping element, and the left worm wheel is meshed with the worm. The right force transmission mechanism comprises a right connecting rod, a right hinge, a right crank and a right worm wheel, wherein one end of the right crank is connected with the right worm wheel, the other end of the right crank is connected with the right connecting rod through the right hinge, the end part, far away from the right hinge, of the right connecting rod is fixedly connected with the right clamping element, and the right worm wheel is also meshed with the worm. The end part of the left connecting rod, which is far away from the left hinge, is arranged between the left V-shaped block and the left lower sliding platform and is connected with the left V-shaped block and the left lower sliding platform; wherein the end part of the right connecting rod far away from the right hinge is arranged between the right V-shaped block and the right lower sliding platform and is connected with the right V-shaped block and the right lower sliding platform. The left V-shaped block and the right V-shaped block are symmetrically arranged on two sides of the clamp body; the left connecting rod and the right connecting rod are also symmetrically arranged on two sides of the clamp body. The left force transmission mechanism and the right force transmission mechanism are arranged on the side of the guide rail, the left worm wheel, the right worm wheel, the left crank and the right crank which are fixedly connected with the worm are driven to rotate by rotating the worm, and under the action of the left force transmission mechanism and the right force transmission mechanism, the left V-shaped block and the right V-shaped block move in opposite directions or move in the opposite directions, so that cylindrical workpieces are clamped or released.
The self-centering clamp for processing the cylindrical workpiece further comprises a first bolt and a second bolt, wherein the bearing covers on two sides of the first bearing are fixed on the clamp body through the first bolt, and the bearing covers on two sides of the second bearing are fixed on the clamp body through the second bolt.
According to the self-centering clamp for processing the cylindrical workpiece, the hexagonal driving rod is further sleeved at the end part of the worm penetrating through the first bearing. Wherein the inside of hexagon actuating lever is closely laminated with the periphery of worm, and the outside of hexagon actuating lever is the hexagon structure. This kind of structural style is convenient for fixing of manual spanner, torque spanner etc. utilizes the rotatory hexagon actuating lever of spanner for the worm drives left worm wheel rotatory, drives right worm wheel counter rotation simultaneously, and then realizes the motion in opposite directions or the motion dorsad of left V type piece, right V type piece.
The self-centering clamp for processing the cylindrical workpiece further comprises a third bolt, wherein the left V-shaped block is connected with the left lower sliding table through the third bolt, and the right V-shaped block is connected with the right lower sliding table through the third bolt.
Compared with the prior art, the utility model discloses an useful part lies in: the self-centering clamp for the vertical cylindrical workpiece fully utilizes the self-locking performance and high-precision characteristic of a worm gear, the connecting rod structure and the symmetrical structure of the clamp, so that the clamp has a self-centering function and high centering precision. In addition, the clamp can also increase the clamping surface by changing the heights of the left V-shaped block and the right V-shaped block according to the different lengths of the workpieces to be clamped, and the cutter vibration is effectively avoided. Use spanner drive hexagon actuating lever during the operation for left V type piece, right V type piece can be close to simultaneously or keep away from the center, and structural design is comparatively reasonable, has improved work efficiency, has ensured that cylinder class work piece can be stable fix on anchor clamps.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is the utility model discloses well right side slip table and right connecting rod connection structure sketch map.
The meaning of the reference numerals: 1-a fixture body, 2-a first bearing, 3-a first bolt, 4-a left crank, 5-a left hinge, 6-a left connecting rod, 7-a left worm wheel, 8-a left V-shaped block, 9-a left lower sliding table, 10-a second bolt, 11-a second bearing, 12-a right V-shaped block, 13-a right lower sliding table, 14-a right connecting rod, 15-a third bolt, 16-a right hinge, 17-a right crank, 18-a right worm wheel, 19-a worm, 20-a guide rail and 21-a hexagonal driving rod.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Detailed Description
Further, the driving mechanism comprises a worm 19, and further comprises a first bearing 2 and a second bearing 11 which are arranged in parallel, wherein the first bearing 2 and the second bearing 11 are fixedly arranged on the fixture body 1, one end of the worm 19 penetrates through the first bearing 2, the other end of the worm 19 penetrates through the second bearing 11, and the worm 19, the first bearing 2 and the second bearing 11 are coaxially arranged. The worm 19 is slidably arranged in the first bearing 2 and the second bearing 11 in a penetrating way, and the worm 19 is fixed on the clamp body 1 through the first bearing 2 and the second bearing 11. In particular, the first bearing 2 and the second bearing 11 may be open radial sliding bearings. The end of the worm 19 passing through the first bearing 2 is also sleeved with a hexagonal drive rod 21. The inner side of the hexagonal driving rod 21 is tightly attached to the periphery of the worm 19, and the outer side of the hexagonal driving rod 21 is of a hexagonal structure. This kind of structural style is convenient for fixing of manual spanner, torque wrench etc. utilizes the rotatory hexagon actuating lever 21 of spanner for worm 19 drives left worm wheel 7 rotatory, drives right worm wheel 18 reverse rotation simultaneously, and then realizes the relative motion or the motion dorsad of left V type piece 8, right V type piece 12.
Furthermore, the left force transmission mechanism comprises a left crank 4, a left hinge 5, a left connecting rod 6 and a left worm wheel 7, wherein one end of the left crank 4 is connected with the left worm wheel 7, the other end of the left crank 4 is connected with the left connecting rod 6 through the left hinge 5, the end part, far away from the left hinge 5, of the left connecting rod 6 is fixedly connected with the left clamping element, and the left worm wheel 7 is meshed with the worm 19. The right force transmission mechanism comprises a right connecting rod 14, a right hinge 16, a right crank 17 and a right worm wheel 18, wherein one end of the right crank 17 is connected with the right worm wheel 18, the other end of the right crank 17 is connected with the right connecting rod 14 through the right hinge 16, the end part of the right connecting rod 14 far away from the right hinge 16 is fixedly connected with the right clamping element, and the right worm wheel 18 is also meshed with a worm 19. The end part of the left connecting rod 6, which is far away from the left hinge 5, is arranged between the left V-shaped block 8 and the left lower sliding platform 9 and is connected with the left V-shaped block 8 and the left lower sliding platform 9; wherein the end of the right connecting rod 14 far away from the right hinge 16 is arranged between the right V-shaped block 12 and the right lower sliding platform 13 and is connected with the right V-shaped block 12 and the right lower sliding platform 13. The left V-shaped block 8 and the right V-shaped block 12 are symmetrically arranged on two sides of the fixture body 1; the left connecting rod 6 and the right connecting rod 14 are also symmetrically arranged on two sides of the clamp body 1. The left force transmission mechanism and the right force transmission mechanism are arranged on the side of the guide rail 20, the left worm wheel 7 and the right worm wheel 18 as well as the left crank 4 and the right crank 17 which are fixedly connected with the worm 19 are driven to rotate by rotating the worm 19, and under the action of the left force transmission mechanism and the right force transmission mechanism, the left V-shaped block 8 and the right V-shaped block 12 move oppositely or move backwards, so that cylindrical workpieces are clamped or released.
Additionally, the utility model discloses can also replace into the plane slider with left V type piece 8, right V type piece 12, be used for centre gripping rectangle work piece, application scope is wider. The utility model discloses still can change the worm gear structure into by hydraulic drive's rack and pinion structure, other theory of operation is the same basically.
Example 2: as shown in fig. 1 and 2, a self-centering clamp for processing a cylindrical workpiece comprises a clamp body 1, a driving mechanism, a force transmission mechanism, a clamping element and a guide rail 20, wherein the driving mechanism, the force transmission mechanism, the clamping element and the guide rail 20 are all arranged on the clamp body 1; the force transmission mechanism comprises a left force transmission mechanism and a right force transmission mechanism. The clamping element comprises a left clamping element and a right clamping element which are symmetrical in structure, the left clamping element comprises a left V-shaped block 8 and a left lower sliding table 9 which are detachably connected, the left lower sliding table 9 is arranged on the guide rail 20 in a sliding mode, and the left lower sliding table 9 and the guide rail 20 form a sliding pair; the right clamping element comprises a right V-shaped block 12 and a right lower sliding table 13 which are detachably connected, the right lower sliding table 13 is arranged on the guide rail 20 in a sliding mode, and the right lower sliding table 13 and the guide rail 20 form a sliding pair. One end of the left force transmission mechanism is connected with the driving mechanism, and the other end of the left force transmission mechanism is fixedly connected with the left clamping element; one end of the right force transmission mechanism is connected with the driving mechanism, and the other end of the right force transmission mechanism is fixedly connected with the right clamping element. The force transmission mechanism is arranged on the side of the guide rail 20, the force transmission mechanism is driven to rotate through the driving mechanism, and the left V-shaped block 8 and the right V-shaped block 12 move in the opposite direction or move in the back direction under the action of the force transmission mechanism, so that cylindrical workpieces are clamped or released. The V-shaped design of the left V-shaped block 8 and the right V-shaped block 12 is convenient for positioning and clamping cylindrical workpieces. The left clamping element comprises a left V-shaped block 8 and a left lower sliding table 9 which are detachably connected, the right clamping element comprises a right V-shaped block 12 and a right lower sliding table 13 which are detachably connected, and the left V-shaped block 8 and the right V-shaped block 12 can be replaced at any time in a detachable structure mode so as to meet the self-centering requirements of cylindrical workpieces with different heights and different diameters.
Further, the driving mechanism comprises a worm 19, and further comprises a first bearing 2 and a second bearing 11 which are arranged in parallel, wherein the first bearing 2 and the second bearing 11 are fixedly arranged on the fixture body 1, one end of the worm 19 penetrates through the first bearing 2, the other end of the worm 19 penetrates through the second bearing 11, and the worm 19, the first bearing 2 and the second bearing 11 are coaxially arranged. The worm 19 is slidably arranged in the first bearing 2 and the second bearing 11 in a penetrating way, and the worm 19 is fixed on the clamp body 1 through the first bearing 2 and the second bearing 11. In particular, the first bearing 2 and the second bearing 11 may be open radial sliding bearings. Concretely, the self-centering clamp for processing the cylindrical workpiece further comprises a first bolt 3 and a second bolt 10, wherein bearing covers on two sides of the first bearing 2 are fixed on the clamp body 1 through the first bolt 3, and bearing covers on two sides of the second bearing 11 are fixed on the clamp body 1 through the second bolt 10. Specifically, the first bolt 3 and the second bolt 10 may have a size of M8 × 40.
Example 3: as shown in fig. 1 and 2, a self-centering clamp for processing a cylindrical workpiece comprises a clamp body 1, a driving mechanism, a force transmission mechanism, a clamping element and a guide rail 20, wherein the driving mechanism, the force transmission mechanism, the clamping element and the guide rail 20 are all arranged on the clamp body 1; the force transmission mechanism comprises a left force transmission mechanism and a right force transmission mechanism. The clamping element comprises a left clamping element and a right clamping element which are symmetrical in structure, the left clamping element comprises a left V-shaped block 8 and a left lower sliding table 9 which are detachably connected, the left lower sliding table 9 is arranged on the guide rail 20 in a sliding mode, and the left lower sliding table 9 and the guide rail 20 form a sliding pair; the right clamping element comprises a right V-shaped block 12 and a right lower sliding table 13 which are detachably connected, the right lower sliding table 13 is arranged on the guide rail 20 in a sliding mode, and the right lower sliding table 13 and the guide rail 20 form a sliding pair. One end of the left force transmission mechanism is connected with the driving mechanism, and the other end of the left force transmission mechanism is fixedly connected with the left clamping element; one end of the right force transmission mechanism is connected with the driving mechanism, and the other end of the right force transmission mechanism is fixedly connected with the right clamping element. The force transmission mechanism is arranged on the side of the guide rail 20, the force transmission mechanism is driven to rotate through the driving mechanism, and the left V-shaped block 8 and the right V-shaped block 12 move in the opposite direction or move in the back direction under the action of the force transmission mechanism, so that cylindrical workpieces are clamped or released. The V-shaped design of the left V-shaped block 8 and the right V-shaped block 12 is convenient for positioning and clamping cylindrical workpieces. The left clamping element comprises a left V-shaped block 8 and a left lower sliding table 9 which are detachably connected, the right clamping element comprises a right V-shaped block 12 and a right lower sliding table 13 which are detachably connected, and the left V-shaped block 8 and the right V-shaped block 12 can be replaced at any time in a detachable structure mode so as to meet the self-centering requirements of cylindrical workpieces with different heights and different diameters.
Further, the self-centering clamp for machining the cylindrical workpiece further comprises a third bolt 15, wherein the left V-shaped block 8 is connected with the left lower sliding table 9 through the third bolt 15, and the right V-shaped block 12 is connected with the right lower sliding table 13 through the third bolt 15. Specifically, the third bolt 15 may have a size of M8 × 60. The left V-shaped block 8 is fixed on the left lower sliding platform 9 through a notch, and then is fastened with the left lower sliding platform 9 through a M8 x 60 third bolt 15. The right V-shaped block 12 is fixed on the right lower sliding table 13 through a notch, and is fastened with the right lower sliding table 13 through an M8-60 third bolt 15.
The utility model discloses a theory of operation: as shown in fig. 1 and 2, the present invention relates to a self-centering fixture, which is used to place a workpiece to be machined on a guide rail 20. When clamping, the hexagonal driving rod 21 at one end of the worm 19 is rotated clockwise by a wrench, so that the worm 19 drives the left worm wheel 7 to rotate clockwise and the right worm wheel 18 to rotate anticlockwise. Because the left worm wheel 7 is fixedly connected with the left crank 4, and the right worm wheel 18 is fixedly connected with the right crank 17, the two cranks move in opposite directions, and further the left V-shaped block 8 and the right V-shaped block 12 which are respectively connected are driven to move in opposite directions, so that the centering and clamping of the workpiece are realized. The hexagonal driving rod 21 is rotated in the opposite direction, so that the left V-shaped block 8 and the right V-shaped block 12 move back to back. In summary, the left worm wheel 7, the right worm wheel 18, the left crank 4 fixedly connected with the worm 19 and the right crank 17 are driven to rotate by rotating the worm 19, and under the action of the left force transmission mechanism and the right force transmission mechanism, the left V-shaped block 8 and the right V-shaped block 12 move oppositely or back to back, so as to clamp or release the workpiece.
Claims (6)
1. A self-centering clamp for processing cylindrical workpieces is characterized by comprising a clamp body (1), a driving mechanism, a force transmission mechanism, a clamping element and a guide rail (20), wherein the driving mechanism, the force transmission mechanism, the clamping element and the guide rail (20) are all arranged on the clamp body (1); the force transmission mechanism comprises a left force transmission mechanism and a right force transmission mechanism;
the clamping element comprises a left clamping element and a right clamping element which are symmetrical in structure, the left clamping element comprises a left V-shaped block (8) and a left lower sliding table (9) which are detachably connected, the left lower sliding table (9) is arranged on the guide rail (20) in a sliding manner, and the left lower sliding table (9) and the guide rail (20) form a sliding pair; the right clamping element comprises a right V-shaped block (12) and a right lower sliding table (13) which are detachably connected, the right lower sliding table (13) is arranged on the guide rail (20) in a sliding manner, and the right lower sliding table (13) and the guide rail (20) form a sliding pair;
one end of the left force transmission mechanism is connected with the driving mechanism, and the other end of the left force transmission mechanism is fixedly connected with the left clamping element; one end of the right force transmission mechanism is connected with the driving mechanism, and the other end of the right force transmission mechanism is fixedly connected with the right clamping element.
2. The self-centering clamp for machining cylindrical workpieces according to claim 1, wherein the driving mechanism comprises a worm (19), and further comprises a first bearing (2) and a second bearing (11) which are arranged in parallel, the first bearing (2) and the second bearing (11) are fixedly arranged on the clamp body (1), one end of the worm (19) penetrates through the first bearing (2), the other end of the worm (19) penetrates through the second bearing (11), and the worm (19), the first bearing (2) and the second bearing (11) are coaxially arranged.
3. The self-centering clamp for machining cylindrical workpieces according to claim 2, wherein the left force transmission mechanism comprises a left crank (4), a left hinge (5), a left connecting rod (6) and a left worm wheel (7), one end of the left crank (4) is connected with the left worm wheel (7), the other end of the left crank (4) is connected with the left connecting rod (6) through the left hinge (5), the end, far away from the left hinge (5), of the left connecting rod (6) is fixedly connected with the left clamping element, and the left worm wheel (7) is meshed with the worm (19);
the right force transmission mechanism comprises a right connecting rod (14), a right hinge (16), a right crank (17) and a right worm wheel (18), wherein one end of the right crank (17) is connected with the right worm wheel (18), the other end of the right crank (17) is connected with the right connecting rod (14) through the right hinge (16), the end part, far away from the right hinge (16), of the right connecting rod (14) is fixedly connected with a right clamping element, and the right worm wheel (18) is also meshed with a worm (19).
4. The self-centering clamp for machining cylindrical workpieces according to claim 2, further comprising a first bolt (3) and a second bolt (10), wherein bearing covers on two sides of the first bearing (2) are fixed on the clamp body (1) through the first bolt (3), and bearing covers on two sides of the second bearing (11) are fixed on the clamp body (1) through the second bolt (10).
5. Self-centering clamp for machining cylindrical workpieces according to claim 3, characterized in that the end of the worm (19) passing through the first bearing (2) is also sheathed with a hexagonal driving rod (21).
6. The self-centering clamp for machining cylindrical workpieces according to claim 1, further comprising a third bolt (15), wherein the left V-shaped block (8) is connected with the left lower sliding table (9) through the third bolt (15), and the right V-shaped block (12) is connected with the right lower sliding table (13) through the third bolt (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920823804.XU CN210189060U (en) | 2019-06-03 | 2019-06-03 | Self-centering clamp for processing cylindrical workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920823804.XU CN210189060U (en) | 2019-06-03 | 2019-06-03 | Self-centering clamp for processing cylindrical workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210189060U true CN210189060U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920823804.XU Expired - Fee Related CN210189060U (en) | 2019-06-03 | 2019-06-03 | Self-centering clamp for processing cylindrical workpieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210189060U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809424A (en) * | 2021-01-05 | 2021-05-18 | 沈阳大学 | Be applicable to electric control anchor clamps for irregular parts machining |
| CN113681305A (en) * | 2021-10-27 | 2021-11-23 | 邳州市耿联军机械制造厂 | Machine tool with rotary clamp assembly |
| CN114309719A (en) * | 2022-03-15 | 2022-04-12 | 徐州尚名机械有限公司 | Machining device for cylinder bottom of hydraulic oil cylinder welding part |
| CN115179091A (en) * | 2022-07-19 | 2022-10-14 | 杭州亚太智能装备有限公司 | Broaching machine |
-
2019
- 2019-06-03 CN CN201920823804.XU patent/CN210189060U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809424A (en) * | 2021-01-05 | 2021-05-18 | 沈阳大学 | Be applicable to electric control anchor clamps for irregular parts machining |
| CN113681305A (en) * | 2021-10-27 | 2021-11-23 | 邳州市耿联军机械制造厂 | Machine tool with rotary clamp assembly |
| CN114309719A (en) * | 2022-03-15 | 2022-04-12 | 徐州尚名机械有限公司 | Machining device for cylinder bottom of hydraulic oil cylinder welding part |
| CN114309719B (en) * | 2022-03-15 | 2022-05-27 | 徐州尚名机械有限公司 | Machining device for cylinder bottom of hydraulic oil cylinder welding part |
| CN115179091A (en) * | 2022-07-19 | 2022-10-14 | 杭州亚太智能装备有限公司 | Broaching machine |
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Granted publication date: 20200327 Termination date: 20200603 |