Clamp capable of conveniently and rapidly positioning and clamping workpiece

Abstract

The utility model discloses a clamp for conveniently and quickly positioning and clamping a workpiece, which relates to the technical field of clamps and comprises a fixing mechanism, a placing mechanism and a clamping mechanism, the fixing mechanism comprises a fixing base, a supporting seat is fixedly mounted on the outer side of the fixing base, the placing mechanism is arranged at the top of the fixing mechanism, and the clamping mechanism is arranged on the supporting seat. The placing mechanism is used for placing a workpiece, the clamping mechanisms are arranged on the top of the placing mechanism, and the clamping mechanisms are all arranged on the top of the placing mechanism and used for clamping and fixing the workpiece. The position of one clamping plate can be independently adjusted through the meshing effect between the rotating gear and the movable toothed bar when the second motor works, so that the clamping plates can conveniently clamp workpieces of different sizes or special shapes, and the first motor works through the meshing effect between the driving gear and the driven toothed ring, so that the workpieces of different sizes or special shapes can be conveniently clamped. The horizontal direction of the workpiece can be adjusted, and the distance between the workpiece and machining equipment can be adjusted through work of the hydraulic cylinder.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a clamp for conveniently and quickly positioning and clamping a workpiece. Background Art

[0002] A fixture is a device used to fix the workpiece in the mechanical manufacturing process so that it occupies the correct position for construction or inspection. It is also called a fixture. In a broad sense, any device used to quickly, conveniently and safely install the workpiece in any process can be called a fixture. A fixture usually consists of a positioning element, a clamping device, a tool guide element, a dividing device, a connecting element and a clamp body.

[0003] A clamp for quickly positioning and clamping workpieces on a CNC milling machine with publication number CN213646644U belongs to the technical field of rapid positioning equipment and includes a positioning clamp, a top plate is provided on the top of the positioning clamp, a connecting hole is provided on the upper surface of the top plate, a positioning groove is provided in the middle of the upper surface of the top plate, and a first positioning plate is provided at one end of the positioning groove; the utility model uses the first positioning plate, the second positioning plate and the third positioning plate to adjust the distance between themselves and the positioning groove through the sliding groove on the lower surface, and the adjusting rod drives the positioning main board to move. The above structure achieves the purpose of simple design structure of the positioning clamp and being able to more firmly fix parts and other structures. The outer surface of the buffer column is sleeved with a spring. When in use, the top plate is extended and retracted through the connecting hole on the upper surface of the support column. The buffer column is similar to the support column, and the spring plays a good buffering role.

[0004] The prior art has the following deficiencies: when the prior clamp is clamping the workpiece, it is affected by the shape of the workpiece and cannot stably clamp and fix the irregular-shaped workpiece conveniently. At the same time, it is also impossible to conveniently adjust the horizontal position of the workpiece and the distance between it and the processing equipment, which makes it easy for the workpiece to shift during the processing, thereby affecting the efficiency of the workpiece processing. Utility Model Content

[0005] The purpose of the utility model is to provide a fixture for convenient and rapid positioning and clamping of workpieces. The second motor works through the meshing action between the rotating gear and the movable gear rod, and the position of one of the clamping plates can be adjusted individually, so that the clamping plate can conveniently clamp and fix workpieces of different sizes or shapes. The first motor works through the meshing action between the driving gear and the driven gear ring, and can drive the placement plate to rotate, and the horizontal position of the workpiece can be adjusted. At the same time, the hydraulic cylinder can work to adjust the distance between the workpiece and the processing equipment, so as to solve the above-mentioned deficiencies in the technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixture for convenient and rapid positioning and clamping of a workpiece, comprising a fixing mechanism, the fixing mechanism comprising a fixing base, a support seat being fixedly mounted on the outer side of the fixing base, and further comprising:

[0007] A placing mechanism, arranged on the top of the fixing mechanism, for placing the workpiece;

[0008] A clamping mechanism, wherein the clamping mechanism is provided in multiple groups, and the multiple groups of clamping mechanisms are all arranged on the top of the placement mechanism, and are used to clamp and fix the workpiece;

[0009] The placement mechanism comprises a driven gear ring rotatably arranged at the bottom of the inner side of the fixed base, a hydraulic cylinder is fixedly installed at the middle position of the driven gear ring, a placement plate is fixedly installed at the output end of the hydraulic cylinder, and the placement plate is movably arranged at the top of the support seat;

[0010] The clamping mechanism comprises a movable gear rod, which is arranged on the inner wall of the placement plate, and a movable seat is fixedly installed at one end of the movable gear rod, and a clamping plate for clamping the workpiece is fixedly installed on the top of the movable seat.

[0011] Preferably, a driving gear meshing with a driven gear ring is provided at the inner bottom of the fixed base through a rotating shaft, and the driving gear is driven to rotate by a first motor fixed to the support base to drive the driven gear ring to rotate, thereby facilitating the adjustment of the horizontal position of the workpiece clamped by the clamping mechanism.

[0012] Preferably, the bottom of the movable gear rod is meshingly connected with a rotating gear, and the rotating gear is rotatably mounted on the outer wall of the placement plate. The rotating gear is driven to rotate by a second motor fixed on the placement plate, so as to facilitate the adjustment of the position of the clamping plate for clamping workpieces of different sizes or shapes.

[0013] Preferably, the placement plate is provided with a plurality of installation grooves, and the plurality of installation grooves are distributed in a circular array around the center of a cross section of the placement plate.

[0014] Preferably, the movable gear rod passes through the mounting groove and is slidably connected to the mounting groove, and the movable seat is arranged inside the mounting groove and is slidably connected to the mounting groove.

[0015] Preferably, the cross-section of the clamping plate in top view is arranged as a fan-shaped structure, and the inner diameter of the support seat is larger than the outer diameter of the driven gear ring.

[0016] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0017] 1. The distance between the three clamping plates can be adjusted by the meshing action between the rotating gear and the movable gear rod through the operation of the three second motors. By adjusting the position of one of the clamping plates separately, the clamping plate can conveniently clamp and fix workpieces of different sizes or shapes. The operation of the first motor causes the rotating shaft to rotate, and through the meshing action between the driving gear and the driven gear ring, the placement plate can be driven to rotate, thereby adjusting the horizontal position of the workpiece. At the same time, the operation of the hydraulic cylinder can adjust the distance between the workpiece and the processing equipment, so that the processing equipment can conveniently process the workpiece, which can improve the efficiency of workpiece processing;

[0018] 2. The movement of the movable seat and the movable gear rod can be limited by the mounting groove, so that the clamping plate remains stable during the adjustment process, and the clamping plate can stably clamp and fix the workpiece. The support seat can limit the rotation of the driven gear ring and support the placement plate at the same time, so that the placement plate remains stable during the rotation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a front vertical sectional view of the utility model.

[0022] Figure 3 It is a three-dimensional structural diagram of the fixing mechanism of the utility model.

[0023] Figure 4 It is an exploded view of the three-dimensional structure of the placement mechanism of the utility model.

[0024] Figure 5 It is an exploded view of the three-dimensional structure of the clamping mechanism of the utility model.

[0025] Description of reference numerals:

[0026] 1. Fixing mechanism; 101. Fixing base; 102. Supporting base;

[0027] 2. Placement mechanism; 201. Driven gear ring; 202. Hydraulic cylinder; 203. Placement plate; 204. Mounting groove; 205. Rotation shaft; 206. First motor; 208. Driving gear;

[0028] 3. Clamping mechanism; 301. Movable gear rod; 302. Movable seat; 303. Clamping plate; 304. Rotating gear; 305. Second motor. DETAILED DESCRIPTION

[0029] The utility model provides Figure 1 and Figure 3 A fixture for convenient and rapid positioning and clamping of a workpiece is shown, comprising a fixing mechanism 1 , wherein the fixing mechanism 1 comprises a fixing base 101 , and a supporting base 102 is fixedly mounted on the outer side of the fixing base 101 .

[0030] In order to conveniently adjust the height and orientation of the fixture according to the size of the workpiece, such as Figure 2 and Figure 4 As shown, a placing mechanism 2 is arranged on the top of the fixing mechanism 1 for placing the workpiece, and the placing mechanism 2 includes a driven gear ring 201 rotatably arranged at the inner bottom of the fixed base 101, a hydraulic cylinder 202 is fixedly installed at the middle position of the driven gear ring 201, a placing plate 203 is fixedly installed at the output end of the hydraulic cylinder 202, and the placing plate 203 is movably arranged on the top of the supporting seat 102. The hydraulic cylinder 202 can adjust the height of the placing plate 203 when it is working, and the rotation of the driven gear ring 201 can drive the placing plate 203 to rotate, thereby adjusting the orientation of the workpiece.

[0031] In order to conveniently clamp and fix workpieces of different sizes, Figure 2 and Figure 5 As shown, a plurality of clamping mechanisms 3 are provided on the top of the placement mechanism 2 for clamping and fixing the workpiece. The clamping mechanism 3 includes a movable gear rod 301, and the movable gear rod 301 is arranged on the inner wall of the placement plate 203, and a movable seat 302 is fixedly installed at one end of the movable gear rod 301, and a clamping plate 303 for clamping the workpiece is fixedly installed on the top of the movable seat 302. The movement of the movable gear rod 301 can push the movable seat 302 to move, and then the distance between the three clamping plates 303 can be adjusted, so that the clamping mechanism 3 can clamp workpieces of different sizes.

[0032] In order to provide power for adjusting the horizontal position of the placement plate 203, as Figure 2 and Figure 3As shown, a driving gear 208 meshing with the driven gear ring 201 is provided at the inner bottom of the fixed base 101 through a rotating shaft 205, and the driving gear 208 is driven to rotate by a first motor 206 fixed on the support base 102, and is used to drive the driven gear ring 201 to rotate, so as to facilitate the adjustment of the horizontal position of the workpiece clamped by the clamping mechanism 3. The fixed base 101 can install and fix the rotating shaft 205 and the first motor 206. The first motor 206 works to rotate the rotating shaft 205. Through the meshing action between the driving gear 208 and the driven gear ring 201, power can be provided for the rotation of the placement plate 203.

[0033] In order to conveniently provide power for the adjustment of the clamping plate 303, as Figure 2 and Figure 4-5 As shown, the bottom of the movable gear rod 301 is meshedly connected with a rotating gear 304, and the rotating gear 304 is rotatably installed on the outer wall of the placement plate 203. The rotating gear 304 is driven to rotate by a second motor 305 fixed on the placement plate 203, so as to facilitate the adjustment of the position of the clamping plate for clamping workpieces of different sizes or shapes. The second motor 305 works through the meshing action between the rotating gear 304 and the movable gear rod 301, so as to adjust the distance between the three clamping plates 303.

[0034] In order to keep the clamping plate 303 stable during the adjustment process, Figure 2 and Figure 4 As shown, the placement plate 203 is provided with a plurality of mounting grooves 204, and the plurality of mounting grooves 204 are distributed in a circular array around the center of the cross section of the placement plate 203, the movable gear rod 301 passes through the mounting groove 204 and is slidably connected to the mounting groove 204, the movable seat 302 is disposed inside the mounting groove 204 and is slidably connected to the mounting groove 204, and the mounting groove 204 can limit the movement of the movable gear rod 201 and the movable seat 302, so that the clamping plate 303 remains stable during the adjustment process.

[0035] In order to make the placement mechanism 2 and the clamping mechanism 3 stably clamp the workpiece, Figure 2-5 As shown, the top cross-section of the clamping plate 303 is arranged as a fan-shaped structure, the inner diameter of the support seat 102 is larger than the outer diameter of the driven gear ring 201, the clamping plate 303 of the fan-shaped mechanism can stably clamp and fix the workpiece, and the support seat 102 can limit the rotation of the driven gear ring 201, so that the placement mechanism 2 remains stable during the rotation process.

[0036] When processing a workpiece, the workpiece to be processed is placed on the top of the placement plate 203, and then the three second motors 305 are operated to make the adjacent rotating gears 304 rotate, and through the meshing action between the gear parts, the adjacent movable gear rods 301 can move along the inner wall of the installation groove 204, and then the three clamping plates 303 can be driven to move, and the distance between the three clamping plates 303 can be adjusted. By adjusting the position of the three separate clamping plates 303, the clamping mechanism 3 can clamp and fix workpieces of different sizes, and can conveniently clamp and fix special-shaped workpieces;

[0037] The first motor 206 is operated to rotate the rotating shaft 205, so that the driving gear 208 is rotated, and through the meshing action between the gear parts, the driven gear ring 201 is rotated, which can drive the placement plate 203 to rotate on the top of the support seat 102, so that the horizontal position of the workpiece can be adjusted, and different positions of the workpiece can be processed conveniently;

[0038] At the same time, the operation of the hydraulic cylinder 202 can drive the placement plate 203 to move, and the height of the placement plate 203 can be adjusted, thereby adjusting the distance between the workpiece and the processing equipment, so that the processing equipment can conveniently process workpieces of different sizes, thereby improving the efficiency of workpiece processing. This embodiment specifically solves the problem in the prior art that the horizontal position of the workpiece cannot be conveniently adjusted according to the size of the workpiece, which affects the workpiece processing efficiency.

[0039] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A fixture for convenient and rapid positioning and clamping of a workpiece, comprising a fixing mechanism (1), wherein the fixing mechanism (1) comprises a fixing base (101), a supporting base (102) is fixedly mounted on the outer side of the fixing base (101), and characterized in that: Also includes: A placement mechanism (2), arranged on the top of the fixing mechanism (1), for placing the workpiece; A clamping mechanism (3), wherein the clamping mechanism (3) is provided in multiple groups, and the multiple groups of clamping mechanisms (3) are all arranged on the top of the placement mechanism (2) and are used to clamp and fix the workpiece; The placement mechanism (2) comprises a driven gear ring (201) rotatably arranged at the inner bottom of the fixed base (101), a hydraulic cylinder (202) is fixedly installed at the middle position of the driven gear ring (201), a placement plate (203) is fixedly installed at the output end of the hydraulic cylinder (202), and the placement plate (203) is movably arranged on the top of the support seat (102); The clamping mechanism (3) comprises a movable gear rod (301), the movable gear rod (301) is arranged on the inner wall of the placement plate (203), and a movable seat (302) is fixedly installed at one end of the movable gear rod (301), and a clamping plate (303) for clamping the workpiece is fixedly installed on the top of the movable seat (302).

2. A fixture for convenient and rapid positioning and clamping of a workpiece according to claim 1, characterized in that: The inner bottom of the fixed base (101) is provided with a driving gear (208) meshing with the driven gear ring (201) via a rotating shaft (205), and the driving gear (208) is driven to rotate by a first motor (206) fixed to the support base (102) to drive the driven gear ring (201) to rotate, thereby facilitating the adjustment of the horizontal position of the workpiece clamped by the clamping mechanism (3).

3. A fixture for convenient and rapid positioning and clamping of a workpiece according to claim 1, characterized in that: The bottom of the movable gear rod (301) is meshedly connected with a rotating gear (304), and the rotating gear (304) is rotatably mounted on the outer wall of the placement plate (203). The rotating gear (304) is driven to rotate by a second motor (305) fixed on the placement plate (203), so as to facilitate the adjustment of the position of the clamping plate and be used for clamping workpieces of different sizes or shapes.

4. A fixture for convenient and rapid positioning and clamping of a workpiece according to claim 1, characterized in that: The placement plate (203) is provided with a plurality of installation grooves (204), and the plurality of installation grooves (204) are distributed in a circular array around the center of the cross section of the placement plate (203).

5. A fixture for convenient and rapid positioning and clamping of workpieces according to claim 4, characterized in that: The movable gear rod (301) passes through the installation groove (204) and is slidably connected to the installation groove (204); the movable seat (302) is arranged inside the installation groove (204) and is slidably connected to the installation groove (204).

6. A fixture for convenient and rapid positioning and clamping of a workpiece according to claim 1, characterized in that: The cross-section of the clamping plate (303) in a top view is arranged as a fan-shaped structure, and the inner diameter of the support seat (102) is larger than the outer diameter of the driven gear ring (201).

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