CN216029367U - Clamp for irregular workpiece - Google Patents
Clamp for irregular workpiece Download PDFInfo
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- CN216029367U CN216029367U CN202121965304.3U CN202121965304U CN216029367U CN 216029367 U CN216029367 U CN 216029367U CN 202121965304 U CN202121965304 U CN 202121965304U CN 216029367 U CN216029367 U CN 216029367U
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Abstract
The utility model discloses a clamp for an irregular workpiece, which relates to the technical field of machining equipment and specifically comprises a clamp body, wherein a first groove and a second groove are formed in the clamp body, a first lead screw and a second lead screw are arranged in the first groove, a third lead screw is arranged in the second groove, and clamping devices are arranged on the first lead screw, the second lead screw and the third lead screw; the clamping device is driven to move back and forth by the rotation of the first lead screw, the second lead screw and the third lead screw to realize the clamping of the workpiece; the first screw rod, the second screw rod and the third screw rod can independently run without mutual interference, so that the three groups of clamping devices can also respectively move to adapt to workpieces in different shapes; the utility model has simple structure and convenient operation.
Description
Technical Field
The utility model relates to the technical field of machining equipment, in particular to a clamp for an irregular workpiece.
Background
The tooling is a general abbreviation, and the fixture is a process device used for rapidly fastening a workpiece during processing to keep a machine tool, a cutter and the workpiece at correct relative positions, namely the tooling fixture is an indispensable part for mechanical processing.
However, in the conventional clamp, the workpiece can only be fixed by the chuck, and the arrangement can only ensure that the position of the workpiece close to the chuck is relatively stable, but for an irregular workpiece, the center of gravity is not in the middle position of the workpiece, so that the clamp has the problem that the workpiece is unstable in the process of machining or assembling, and the workpiece is deviated or falls off.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: aiming at the problem that the clamp can cause unstable gravity center of a workpiece in the processing or assembling process of the irregular workpiece, so that the workpiece is shifted or falls off, the clamp for the irregular workpiece is provided, and the problem is solved.
The technical scheme of the utility model is as follows:
a clamp for an irregular workpiece comprises a clamp body, wherein a first groove and a second groove are formed in the clamp body, a first lead screw and a second lead screw are arranged in the first groove, a third lead screw is arranged in the second groove, and clamping devices are arranged on the first lead screw, the second lead screw and the third lead screw; the clamping device is driven to move back and forth by the rotation of the first lead screw, the second lead screw and the third lead screw, so that the function of clamping the workpiece is realized; the first lead screw, the second lead screw and the third lead screw can independently run without mutual interference, so that the three groups of clamping devices can also respectively move to adapt to workpieces in different shapes.
Further, the first groove penetrates through the clamp body, and the first lead screw and the second lead screw are respectively arranged on two sides of the first groove; the second groove is perpendicular to the first groove.
Further, the clamping device comprises a clamping part and a clamping boss, and the clamping boss is arranged on the side surface of the clamping part; namely, the clamping boss is arranged at the inner side and is used for contacting with the workpiece to perform clamping action.
Further, the clamping boss is a trapezoidal table; the workpiece is clamped by the short side of the trapezoid table, so that the clamping boss can adapt to workpieces in different shapes, and meanwhile, the friction force between the clamping boss and the workpiece can be increased, and the circular workpiece can be conveniently clamped.
Furthermore, a matching hole is formed below the clamping part, threads matched with the first lead screw, the second lead screw and the third lead screw are arranged in the matching hole, and the clamping part is connected with the first lead screw, the second lead screw and the third lead screw through the matching hole; the first screw rod, the second screw rod and the third screw rod can be rotated through the screw rods to drive the corresponding clamping devices to move.
Furthermore, slidable mounting boxes are arranged in the first groove and the second groove, and the size of the mounting boxes can be directly slightly smaller than that of the first groove and the second groove due to the sliding; the mounting box is hollow, mounting holes for the first lead screw, the second lead screw and the third lead screw to penetrate through are formed in the end face of the mounting box in a penetrating mode, and the first lead screw, the second lead screw and the third lead screw penetrate through the mounting holes and are mounted on the mounting box; the setting up of mounting box can increase pleasing to the eye effect on the one hand, and on the other hand can also conveniently be changed and maintain, also can fix first lead screw, second lead screw and third lead screw simultaneously.
Further, a supporting seat is arranged above the clamping device on the third screw rod, the supporting seat is mounted on the clamping portion, a connecting seat is arranged above the supporting seat, a rotating disc is mounted above the connecting seat, a rotating screw rod is arranged below the rotating disc, a second clamping device is arranged on the rotating screw rod, and a threaded hole matched with the rotating screw rod is formed in the second clamping device; when the height of a workpiece to be clamped is too high, the rotating disc is rotated to drive the second clamping device to move upwards and stop when the second clamping device moves to the center position of the workpiece, and at the moment, the workpiece is fixed by the effect of the three clamping devices arranged on the clamp body and the second clamping device on the workpiece together.
Furthermore, a first matching hole for mounting a rotary screw rod is formed in the connecting seat, and a second matching hole for mounting the rotary screw rod is formed in the clamping part; first mating holes and second mating holes set up and can effectively fix and install the rotation lead screw.
Furthermore, the connecting seat is cuboid, two limiting plates are arranged on the supporting seat, and the second clamping device is arranged between the two limiting plates; the second clamping device is driven to move up or down by rotating the rotating screw rod, and the second clamping device has a fixed motion track, namely can only move up and down, through the two limiting plates.
Furthermore, all be provided with the rotation handle on first lead screw, second lead screw and the third lead screw, the rotation handle can adopt all current handle shapes, mainly plays a convenient operation's effect.
Compared with the prior art, the utility model has the beneficial effects that:
1. a clamp for an irregular workpiece comprises a clamp body, wherein a first groove and a second groove are formed in the clamp body, a first lead screw and a second lead screw are arranged in the first groove, a third lead screw is arranged in the second groove, and clamping devices are arranged on the first lead screw, the second lead screw and the third lead screw; the clamping device is driven to move back and forth by the rotation of the first lead screw, the second lead screw and the third lead screw, so that the function of clamping the workpiece is realized; the first lead screw, the second lead screw and the third lead screw can independently run without mutual interference, so that the three groups of clamping devices can also respectively move to adapt to workpieces in different shapes.
2. A clamp for irregular workpieces is characterized in that a clamping boss is arranged into a trapezoidal table shape; the workpiece is clamped by the short side of the trapezoid table, so that the clamping boss can adapt to workpieces in different shapes, and meanwhile, the friction force between the clamping boss and the workpiece can be increased, and the circular workpiece can be conveniently clamped.
3. A supporting seat is arranged above a clamping device on a third screw rod, the supporting seat is installed on a clamping part, a connecting seat is arranged above the supporting seat, a rotating disc is installed above the connecting seat, a rotating screw rod is arranged below the rotating disc, a second clamping device is arranged on the rotating screw rod, and a threaded hole matched with the rotating screw rod is formed in the second clamping device; when the work piece height of centre gripping is too high, through rotatory rolling disc, drive second clamping device and upwards remove, stop when moving the central point of work piece and put, at this moment through setting up three clamping device on the anchor clamps body and the common work piece effect of second clamping device, make the work piece fixed, can satisfy the centre gripping of highly higher work piece, application range is wider.
Drawings
FIG. 1 is a schematic view of a fixture for irregular workpieces;
fig. 2 is a schematic structural view of a second clamping device in the clamp for irregular workpieces.
Reference numerals: 11-a clamp body, 12-a first lead screw, 13-a second lead screw, 14-a third lead screw, 15-a clamping part, 16-a clamping boss, 17-a mounting box, 111-a first groove, 112-a second groove, 131-a supporting seat, 132-a connecting seat, 133-a rotating disc, 134-a rotating lead screw, 135-a second clamping device and 136-a limiting plate.
Detailed Description
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
Example one
Referring to fig. 1-2, a clamp for irregular workpieces includes a clamp body 11, a first groove 111 and a second groove 112 are formed in the clamp body 11, the first groove 111 is provided with a first lead screw 12 and a second lead screw 13, a third lead screw 14 is arranged in the second groove 112, clamping devices are respectively arranged on the first lead screw 12, the second lead screw 13 and the third lead screw 14, and the first lead screw 12, the second lead screw 13 and the third lead screw 14 rotate to drive the clamping devices to move back and forth to realize a function of clamping workpieces.
The first groove 111 penetrates through the whole clamp body 11, and the first lead screw 12 and the second lead screw 13 are respectively arranged on two sides of the first groove 111; the clamping device comprises a clamping part 15 and a clamping boss 16, the clamping boss 16 is arranged on the side surface of the clamping part 15, the clamping boss 16 is a trapezoidal table, and the clamping boss 16 is clamped through a short side; the lower part of the clamping part 15 is provided with a matching hole (not shown in the figure), the matching hole is internally provided with threads matched with the first lead screw 12, the second lead screw 13 and the third lead screw 14, and the clamping part 15 is connected with the first lead screw 12, the second lead screw 13 and the third lead screw 14 through the matching hole.
When the clamp is used, a workpiece is clamped by the three clamping devices arranged on the clamp body 11, and as the clamping boss 16 is arranged on the clamping part 15 of the clamping device and the clamping boss 16 is a trapezoidal table, the workpiece is clamped by the short side of the trapezoidal table, the clamping boss 16 can adapt to workpieces of different shapes, and meanwhile, the friction force between the clamping boss 16 and the workpiece can be increased, so that the circular workpiece can be conveniently clamped; and the first lead screw 12, the second lead screw 13 and the third lead screw 14 can all run independently without mutual interference, so that the three groups of clamping devices can also move respectively to adapt to workpieces with different shapes.
Example two
The second embodiment is a further improvement of the first embodiment, the same components are not repeated herein, please refer to fig. 1-2, a support seat 131 is disposed above a clamping device on a third screw 14, the support seat 131 is mounted on a clamping portion 15, a connection seat 132 is disposed above the support seat 131, a rotating disc 133 is mounted above the connection seat 132, a rotating screw 134 is disposed below the rotating disc 133, a first matching hole (not shown in the figure) for mounting the rotating screw 134 is disposed on the connection seat 132, a second clamping device 135 is disposed on the rotating screw 134, a threaded hole (not shown in the figure) matched with the rotating screw 134 is disposed in the second clamping device 135, and the second clamping device 135 is driven to move up and down by rotation of the rotating disc 133, so as to achieve a longitudinal fixing effect; in order to further mount the fixed rotary screw 134, the clamping portion 15 is provided with a second fitting hole (not shown) for mounting the rotary screw 134.
When the height of the workpiece to be clamped is too high, the rotating disc 133 is rotated to drive the second clamping device 135 to move upwards, and the workpiece is stopped when the workpiece moves to the center position of the workpiece, and at this time, the three clamping devices arranged on the clamp body 11 and the second clamping device 135 jointly act on the workpiece to fix the workpiece.
EXAMPLE III
In the third embodiment, the second embodiment is further described, the same components are not repeated herein, please refer to fig. 1-2, the connecting seat 132 is shaped like a rectangle, the supporting seat 131 is provided with two limiting plates 136, the second clamping device 135 is disposed between the two limiting plates 136, the second clamping device 135 is driven to move up or down by rotating the screw 134, and the second clamping device 135 has a fixed motion track through the two limiting plates 136, that is, only can move up and down.
Example four
The fourth embodiment is a further description of the third embodiment, the same components are not repeated herein, please refer to fig. 1-2, the second clamping device 135 also includes a clamping portion 15 and a clamping boss 16, and the shape of the clamping portion is consistent with that of the clamping device; the second groove 112 is perpendicular to the first groove 111, that is, the second groove 112 and the first groove 111 form a T shape; the first groove 111 and the second groove 112 are internally provided with a mounting box 17 which can slide and is used for mounting the first lead screw 12, the second lead screw 13 and the third lead screw 14; the mounting box 17 is hollow, mounting holes (not shown in the figure) for the first lead screw 12, the second lead screw 13 and the third lead screw 14 to pass through are formed in the end face of the mounting box 17 in a penetrating manner, and the first lead screw 12, the second lead screw 13 and the third lead screw 14 pass through the mounting holes and are mounted on the mounting box 17; the tail ends of the second groove 112 and the first groove 111 are respectively provided with a limiting plate 136 for limiting the movement of the mounting box 17; the mounting box 17 is arranged to enhance the appearance and facilitate replacement and maintenance.
In order to further facilitate the operation, the first lead screw 12, the second lead screw 13 and the third lead screw 14 are provided with rotating handles.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (10)
1. A clamp for irregular workpieces comprises a clamp body (11), and is characterized in that a first groove (111) and a second groove (112) are formed in the clamp body (11), a first lead screw (12) and a second lead screw (13) are arranged in the first groove (111), a third lead screw (14) is arranged in the second groove (112), and clamping devices are arranged on the first lead screw (12), the second lead screw (13) and the third lead screw (14); the first lead screw (12), the second lead screw (13) and the third lead screw (14) rotate to drive the clamping device to move.
2. The clamp for irregular workpieces according to claim 1, characterized in that the first groove (111) penetrates through the clamp body (11), and the first lead screw (12) and the second lead screw (13) are respectively arranged at two sides of the first groove (111); the second groove (112) is perpendicular to the first groove (111).
3. A clamp for irregular workpieces according to claim 2, characterized in that the clamping means comprise a clamping portion (15) and clamping bosses (16), the clamping bosses (16) being arranged at the sides of the clamping portion (15).
4. A clamp for irregular workpieces according to claim 3, characterized in that the clamping boss (16) is a trapezoidal table.
5. The fixture for the irregular workpiece as set forth in claim 4, wherein a matching hole is formed below the clamping portion (15), threads matched with the first lead screw (12), the second lead screw (13) and the third lead screw (14) are formed in the matching hole, and the clamping portion (15) is connected with the first lead screw (12), the second lead screw (13) and the third lead screw (14) through the matching hole.
6. A clamp for irregular workpieces according to claim 5, characterized in that a slidable mounting box (17) is arranged in each of said first (111) and second (112) grooves; the mounting box (17) is hollow, mounting holes for the first lead screw (12), the second lead screw (13) and the third lead screw (14) to penetrate through are formed in the end face of the mounting box (17), and the first lead screw (12), the second lead screw (13) and the third lead screw (14) penetrate through the mounting holes and are mounted on the mounting box (17); the tail ends of the second groove (112) and the first groove (111) are provided with limiting plates (136) used for limiting the movement of the mounting box (17).
7. The fixture for irregular workpieces as claimed in claim 3, wherein a supporting seat (131) is arranged above the clamping device on the third lead screw (14), the supporting seat (131) is mounted on the clamping portion (15), a connecting seat (132) is arranged above the supporting seat (131), a rotating disc (133) is mounted above the connecting seat (132), a rotating lead screw (134) is arranged below the rotating disc (133), a second clamping device (135) is arranged on the rotating lead screw (134), and a threaded hole matched with the rotating lead screw (134) is arranged in the second clamping device (135).
8. The fixture for irregular workpieces as claimed in claim 7, wherein the connecting base (132) is provided with a first fitting hole for the installation of the rotating screw rod (134), and the clamping portion (15) is provided with a second fitting hole for the installation of the rotating screw rod (134).
9. The fixture for irregular workpieces as claimed in claim 8, wherein the connecting seat (132) is rectangular, two limiting plates (136) are arranged on the supporting seat (131), and the second clamping device (135) is arranged between the two limiting plates (136).
10. A clamp for irregular workpieces according to claim 1, characterized in that the first screw (12), the second screw (13) and the third screw (14) are provided with turning handles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121965304.3U CN216029367U (en) | 2021-08-20 | 2021-08-20 | Clamp for irregular workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121965304.3U CN216029367U (en) | 2021-08-20 | 2021-08-20 | Clamp for irregular workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216029367U true CN216029367U (en) | 2022-03-15 |
Family
ID=80620610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121965304.3U Active CN216029367U (en) | 2021-08-20 | 2021-08-20 | Clamp for irregular workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216029367U (en) |
-
2021
- 2021-08-20 CN CN202121965304.3U patent/CN216029367U/en active Active
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