CN213615399U - Positioning fixture for machine tool - Google Patents
Positioning fixture for machine tool Download PDFInfo
- Publication number
- CN213615399U CN213615399U CN202022655351.XU CN202022655351U CN213615399U CN 213615399 U CN213615399 U CN 213615399U CN 202022655351 U CN202022655351 U CN 202022655351U CN 213615399 U CN213615399 U CN 213615399U
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- groove
- rod
- cross rod
- clamping
- fixedly connected
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Abstract
The utility model relates to a positioning fixture for a machine tool, which comprises a cross rod, wherein one end of the cross rod is provided with a first groove, two hinged seats are arranged close to an opening in the cross rod, and the hinged seats are both hinged with a clamping plate; the first groove is internally provided with a connecting block which is provided with two second grooves, and one end of each clamping plate extends into the corresponding second groove and is connected with the corresponding second groove in a sliding manner; a connecting rod is further arranged inside the cross rod, one end of the connecting rod is fixedly connected to the connecting block, and the other end of the connecting rod is rotatably connected with the L-shaped clamping rod; one end of the L-shaped clamping rod penetrates out of the first through groove on the side surface of the cross rod; a clamping groove is further formed in the side of the first through groove, and the L-shaped clamping rod can be clamped in the clamping groove. The clamp of the utility model can conveniently and effectively clamp the workpiece, can control the clamping force, and avoids the damage of the workpiece caused by overlarge clamping force; meanwhile, the clamping height of the device can be adjusted by adjusting the vertical position of the cross rod, and the using effect is improved.
Description
Technical Field
The utility model belongs to anchor clamps equipment field especially relates to a positioning fixture for lathe.
Background
When the machine tool works, a worker is required to clamp a workpiece through clamp equipment; the traditional clamping equipment generally needs a worker to directly apply force to clamp, a workpiece is easily damaged, and the traditional clamping equipment is highly fixed and has poor using effect.
Disclosure of Invention
An object of the utility model is to overcome prior art's weak point, provide a clamping-force is controllable, centre gripping height-adjustable's positioning fixture for lathe.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a positioning fixture for lathe, including the horizontal pole, its characterized in that: a first groove is formed in the end face of one end of the cross rod, two hinge seats are symmetrically arranged in the first groove close to the opening, and the hinge seats are hinged with clamping plates;
a connecting block is slidably arranged in the first groove, two second grooves are correspondingly arranged on the end face of the connecting block facing the opening of the first groove and corresponding to the two hinge seats, and one end of the clamping plate extends into the corresponding second grooves respectively; sliding grooves are formed in two sides of the second groove, and sliding rods are arranged in the sliding grooves; one end of the sliding rod is connected in the sliding groove in a sliding mode, and the other end of the sliding rod is connected to the side face of the clamping plate in a rotating mode;
the first groove and the third groove are communicated and are arranged in the front and back direction along the length extension direction of the cross rod; a connecting rod is arranged in the third groove, and one end of the connecting rod penetrates through the third groove and is fixedly connected to the end face of the connecting block, which does not face the opening of the first groove; the connecting rod is fixedly connected with a stop block and is sleeved with a spring; the spring is limited in the third groove and one end of the spring is fixedly connected to the end face, facing the first groove, of the stop block; the connecting rod and the stop block can move in the third groove along the length extension direction of the cross rod; a fourth groove is formed in one end, far away from the third groove, of the connecting rod, and an L-shaped clamping rod is rotatably connected inside the fourth groove; a first through groove communicated with the third groove is formed in the side face of the cross rod, and one end of the L-shaped clamping rod penetrates out of the first through groove; a clamping groove is further formed in the side of the first through groove, and the L-shaped clamping rod can be clamped in the clamping groove.
Preferably, the fourth groove is rotatably connected with the L-shaped clamping rod through a torsion spring; the torsion spring is fixedly connected to the inner wall of the fourth groove, and one end of the L-shaped clamping rod is fixedly connected with the torsion spring.
Preferably, the device also comprises a base and an upright post, wherein the upright post is fixedly connected to the upper end surface of the base; a cavity is arranged inside the upright post, and a second through groove communicated with the cavity is formed in the side surface of the upright post; a threaded shaft is rotatably arranged in the chamber; the cross rod penetrates through the second through groove to enter the cavity and is connected with the threaded shaft; the cross rod cannot rotate around the axis of the cross rod under the limitation of the second through groove, and the cross rod can move up and down through the rotation of the threaded shaft.
More preferably, the threaded shaft is vertically arranged; the length direction of the second through groove extends along the vertical direction; the cross rod is of a cuboid structure and can just penetrate through the second through groove to enter the cavity to be connected with the threaded shaft.
More preferably, the upper end and the lower end of the interior of the chamber are fixedly connected with bearings, and the threaded shaft can be rotatably connected between the bearings around the axis of the threaded shaft; the lateral surface of the cross rod is provided with threads and is sleeved on the lateral surface of the threaded shaft.
More preferably, a second bevel gear is fixedly connected to the side surface of the upper end of the threaded shaft, and the second bevel gear is meshed with a first bevel gear; the side surface of the upright post is provided with a through hole communicated with the cavity; and a rotating shaft penetrates through the through hole and is fixedly connected with the first bevel gear.
The utility model has the advantages of: compared with the prior art, the clamp of the utility model can conveniently and effectively clamp the workpiece, and can control the clamping force, thereby avoiding the damage of the workpiece caused by overlarge clamping force; meanwhile, the clamping height of the device can be adjusted by adjusting the vertical position of the cross rod, and the using effect is improved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic front sectional view of a preferred embodiment of the present invention.
Fig. 2 is an enlarged view of fig. 1 at a.
Fig. 3 is a schematic top view of the cross bar of the present invention.
Fig. 4 is a schematic view of the right-side cross-sectional structure of the connecting block of the present invention.
Fig. 5 is a schematic diagram of a right-side sectional structure of the third groove of the present invention.
In the figure: the device comprises a base 1, a cross rod 2, a first groove 3, a hinge seat 4, a clamping plate 5, a connecting block 6, a second groove 7, a sliding groove 8, a sliding rod 9, a third groove 10, a connecting rod 11, a stop block 12, a spring 13, a fourth groove 14, a clamping rod 15L-shaped, a torsion spring 16, a first through groove 17, a clamping groove 18, a vertical column 19, a cavity 20, a second through groove 21, a bearing 22, a threaded shaft 23, a through hole 24, a rotating shaft 25, a first bevel gear 26 and a second bevel gear 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-5, a positioning fixture for a machine tool includes a base 1, a cross bar 2, and a column 19.
The cross bar 2 is of a cuboid structure and is horizontally arranged; a first groove 3 is arranged on the end face of one end of the cross rod 2, and the first groove 3 is provided with an opening on the end face; two articulated seats 4 are symmetrically arranged at the position close to the opening of the first groove 3, and each articulated seat 4 is articulated with a clamping plate 5 for clamping a workpiece.
A connecting block 6 is arranged inside the first groove 3, and the connecting block 6 can slide in the first groove 3 along the length direction of the cross rod 2; two second grooves 7 are formed in the end face, facing the opening of the first groove 3, of the connecting block 6 and correspond to the two hinge seats 4; one ends of the two clamping plates 5 respectively connected with the hinge seats 4 extend into the corresponding second grooves 7 respectively; sliding chutes 8 are symmetrically arranged on two sides in each second groove 7, and sliding rods 9 are respectively arranged in the sliding chutes 8; one end of the sliding rod 9 is connected in the sliding groove 8 in a sliding way, and the other end of the sliding rod is connected to the side surface of the clamping plate 5 in a rotating way; the two sliding rods 9 in each second groove 7 are symmetrically arranged at two sides of the clamping plate 5. The opening and closing of the clamping plate 5 can be controlled by moving the connecting block 6.
A third groove 10 is further formed in the cross rod 2, the first groove 3 and the third groove 10 are communicated through a connecting channel, and the first groove 3 and the third groove 10 are arranged in the front-back direction along the length extending direction of the cross rod 2; a connecting rod 11 is arranged in the third groove 10, and one end of the connecting rod 11 penetrates through the third groove 10 and is fixedly connected to the end face of the connecting block 6, which does not face the opening of the first groove 3; a stop block 12 is fixedly connected to the connecting rod 11 and sleeved with a spring 13; one end of the spring 13 is fixedly connected to a step surface formed by the third groove 10 and the connecting channel, and the other end of the spring is fixedly connected to the end surface of the stop block 12 facing the first groove 3; the connecting rod 11 and the stop block 12 can move in the third groove 10 along the length extension direction of the cross rod 2, and the movement of the connecting block 6 can be controlled by moving the connecting rod 11; the spring 13 is arranged to automatically reset the connecting block 6 so that the clamping plate 5 is opened.
A fourth groove 14 is formed in one end, far away from the third groove 10, of the connecting rod 11, and an L-shaped clamping rod 15 is rotatably connected inside the fourth groove 14 through a torsion spring 16; the torsion spring 16 is fixedly connected to the inner wall of the fourth groove 14, and one end of the L-shaped clamping rod 15 is fixedly connected with the torsion spring 16; a first through groove 17 which is communicated with the third groove 10 is formed in the side face of the cross rod 2, one end, which is not connected with the torsion spring 16, of the L-shaped clamping rod 15 penetrates out of the first through groove 17, and the end part of the L-shaped clamping rod is exposed outside; a clamping groove 18 is also formed in the side face of the cross rod 2 and on the side of the first through groove 17, and the L-shaped clamping rod 15 can be clamped in the clamping groove 18; the positions of the clamping grooves 18 correspond to the workpieces with different sizes, so that the damage of the workpieces caused by overlarge clamping force can be avoided; in addition, the torsion spring 16 is arranged to prevent the L-shaped clamping rod 15 from being separated from the clamping groove 18,
the upright column 19 is vertically and fixedly connected to the upper end surface of the base 1; the column 19 is provided with a chamber 20 inside, and the side surface of the column 19 is provided with a second through groove 21 which penetrates the chamber 20 and extends in the vertical direction in the longitudinal direction. The upper end and the lower end of the interior of the chamber 20 are fixedly connected with bearings 22, a threaded shaft 23 is connected between the two bearings 22, and the threaded shaft 23 is vertically arranged and can rotate around the axis of the threaded shaft; one end of the cross rod 2 without the first groove 3 penetrates through the second through groove 21 to enter the cavity 20 to be connected with the threaded shaft 23, and the side surface of the end is provided with threads and is sleeved on the side surface of the threaded shaft 23; the width size of horizontal pole 2 sets up to just in time passing through second logical groove 21 to horizontal pole 2 can follow the side and set up the second and lead to groove 21 length direction and remove, but can not wind its axle center rotation, and through the aforesaid set up operating personnel can control horizontal pole 2 and reciprocate through rotating threaded shaft 23, and the second leads to the spacing of groove 21 and can avoid horizontal pole 2 to follow threaded shaft 23 and rotate.
The side surface of the upper end of the threaded shaft 23 is fixedly connected with a second bevel gear 27, and the second bevel gear 27 is meshed with a first bevel gear 26; the side surface of the upright post 19 is provided with a through hole 24 communicated with the chamber 20; a rotating shaft 25 passes through the through hole 24 and is fixedly connected with a first bevel gear 26; so that the rotation of the first bevel gear 26 and thus the rotation of the threaded shaft 23 can be controlled by rotating the rotating shaft 25.
The utility model discloses when concrete implementation: during clamping, the clamping plates 5 are moved to two sides of a workpiece, the L-shaped clamping rod 15 is pulled, the L-shaped clamping rod 15 drives the connecting rod 11 to move, and the connecting rod 11 drives the stop block 12 and the connecting block 6 to move, so that the spring 13 extends; the connecting block 6 drives the sliding rod 9 to move, under the action of the hinge base 4, the clamping plate 5 rotates, the clamping plate 5 drives the sliding rod 9 to move to the upper side and the lower side of the connecting block 6 along the sliding groove 8, and the distance between the other ends of the clamping plate 5 is reduced; when the L-shaped clamping rod 15 moves to the clamping groove 18 corresponding to the size of the workpiece, the L-shaped clamping rod 15 is rotated, so that the L-shaped clamping rod 15 moves to the inside of the clamping groove 18, the connecting rod 11 is fixed, the workpiece is clamped by the clamping plate 5, and the workpiece is prevented from being damaged due to excessive force; when the machined parts with different heights need to be clamped, the rotating shaft 25 is rotated, the rotating shaft 25 drives the first bevel gear 26 to rotate, the first bevel gear 26 drives the second bevel gear 27 to rotate, the second bevel gear 27 drives the threaded shaft 23 to rotate, and the threaded shaft 23 drives the cross rod 2 to move up and down, so that the clamping height can be adjusted, and the using effect is improved.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (6)
1. The utility model provides a positioning fixture for lathe, includes horizontal pole (2), its characterized in that: a first groove (3) is formed in the end face of one end of the cross rod (2), two hinge seats (4) are symmetrically arranged in the first groove (3) close to the opening, and the hinge seats (4) are hinged with clamping plates (5);
a connecting block (6) is slidably arranged in the first groove (3), two second grooves (7) are correspondingly arranged on the end face, facing the opening of the first groove (3), of the connecting block (6) and corresponding to the two hinge seats (4), and one end of each clamping plate (5) extends into the corresponding second groove (7); sliding chutes (8) are arranged on two sides in the second groove (7), and sliding rods (9) are arranged in the sliding chutes (8); one end of the sliding rod (9) is connected in the sliding groove (8) in a sliding way, and the other end of the sliding rod is connected to the side surface of the clamping plate (5) in a rotating way;
a third groove (10) is further formed in the cross rod (2), the first groove (3) is communicated with the third groove (10), and the first groove and the third groove are arranged in the front and back direction along the length extending direction of the cross rod (2); a connecting rod (11) is arranged inside the third groove (10), and one end of the connecting rod (11) penetrates through the third groove (10) and is fixedly connected to the end face, which does not face the opening of the first groove (3), of the connecting block (6); a stop block (12) is fixedly connected to the connecting rod (11), and a spring (13) is sleeved on the stop block; the spring (13) is limited in the third groove (10) and one end of the spring is fixedly connected to the end face, facing the first groove (3), of the stop block (12); the connecting rod (11) and the stop block (12) can move in the third groove (10) along the length extension direction of the cross rod (2); a fourth groove (14) is formed in one end, far away from the third groove (10), of the connecting rod (11), and an L-shaped clamping rod (15) is rotatably connected inside the fourth groove (14); a first through groove (17) communicated with the third groove (10) is formed in the side face of the cross rod (2), and one end of the L-shaped clamping rod (15) penetrates out of the first through groove (17); a clamping groove (18) is further formed in the side of the first through groove (17), and the L-shaped clamping rod (15) can be clamped in the clamping groove (18).
2. The positioning jig for a machine tool according to claim 1, characterized in that: the fourth groove (14) is rotatably connected with the L-shaped clamping rod (15) through a torsion spring (16); the torsion spring (16) is fixedly connected to the inner wall of the fourth groove (14), and one end of the L-shaped clamping rod (15) is fixedly connected with the torsion spring (16).
3. The positioning jig for a machine tool according to claim 1, characterized in that: the device also comprises a base (1) and an upright post (19), wherein the upright post (19) is fixedly connected to the upper end surface of the base (1); a cavity (20) is arranged in the upright column (19), and a second through groove (21) communicated with the cavity (20) is arranged on the side surface of the upright column (19); a threaded shaft (23) is rotatably arranged inside the chamber (20); the cross rod (2) passes through the second through groove (21) to enter the cavity (20) and is connected with the threaded shaft (23); the cross rod (2) cannot rotate around the axis of the cross rod under the limitation of the second through groove (21), and meanwhile, the cross rod (2) can move up and down through the rotation of the threaded shaft (23).
4. A positioning jig for a machine tool according to claim 3, characterized in that: the threaded shaft (23) is vertically arranged; the length direction of the second through groove (21) extends along the vertical direction; the cross rod (2) is of a cuboid structure and can just penetrate through the second through groove (21) to enter the cavity (20) to be connected with the threaded shaft (23).
5. The positioning jig for a machine tool according to claim 4, characterized in that: the upper end and the lower end of the interior of the chamber (20) are fixedly connected with bearings (22), and the threaded shaft (23) can be rotatably connected between the bearings (22) around the axis of the threaded shaft; the lateral surface of the cross rod (2) is provided with threads and is sleeved on the lateral surface of the threaded shaft (23).
6. The positioning jig for a machine tool according to claim 5, characterized in that: a second bevel gear (27) is fixedly connected to the side face of the upper end of the threaded shaft (23), and the second bevel gear (27) is meshed with a first bevel gear (26); the side surface of the upright post (19) is provided with a through hole (24) which is communicated with the chamber (20); a rotating shaft (25) passes through the through hole (24) and is fixedly connected with the first bevel gear (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022655351.XU CN213615399U (en) | 2020-11-17 | 2020-11-17 | Positioning fixture for machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022655351.XU CN213615399U (en) | 2020-11-17 | 2020-11-17 | Positioning fixture for machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213615399U true CN213615399U (en) | 2021-07-06 |
Family
ID=76635164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022655351.XU Expired - Fee Related CN213615399U (en) | 2020-11-17 | 2020-11-17 | Positioning fixture for machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213615399U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114918696A (en) * | 2022-06-08 | 2022-08-19 | 苏州工业职业技术学院 | Automatic change anchor clamps equipment |
-
2020
- 2020-11-17 CN CN202022655351.XU patent/CN213615399U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114918696A (en) * | 2022-06-08 | 2022-08-19 | 苏州工业职业技术学院 | Automatic change anchor clamps equipment |
| CN114918696B (en) * | 2022-06-08 | 2023-08-25 | 苏州工业职业技术学院 | Automatic clamp equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210706 Termination date: 20211117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |