Three-axis displacement clamp

Abstract

According to the technical scheme, the three-axis displacement clamp is characterized in that the three-axis displacement clamp comprises a fixed base, two sets of side plates are symmetrically welded to the two ends of the upper surface of the fixed base, an X-axis moving assembly is arranged between the two sets of side plates, a fixed column is arranged above the X-axis moving assembly, and a rotating mechanism is installed on the fixed column; a supporting plate is fixedly arranged at the end of the rotating mechanism, two longitudinal plates are symmetrically welded to the two sides of the upper surface of the supporting plate, a transverse plate is welded between the tops of the two longitudinal plates, a Z-axis moving assembly is arranged between the transverse plate and the supporting plate, and a Y-axis moving assembly is fixedly installed at one end of the Z-axis moving assembly. According to the clamping mechanism, the X-axis moving assembly, the Y-axis moving assembly and the Z-axis moving assembly are arranged, so that the clamping mechanism can conduct displacement actions in the X-axis direction, the Y-axis direction and the Z-axis direction, workpieces at multiple positions can be conveniently clamped by the clamping mechanism, and clamping work is more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece clamps, in particular to a three-axis displacement clamp. 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. In a broad sense, any device used to quickly, conveniently and safely install the workpiece in any process can be called a fixture.

[0003] Referring to the existing Chinese patent with publication number CN216264348U, it discloses an adjustable rotary displacement clamp, including two U-shaped groove-shaped clamp heads, a plurality of clamping claw tightening bolts are arranged through one side of the clamp head, the clamp head is installed on the mounting frame through a rotating shaft, the mounting frame includes two support beams, the rotating shaft passes through the support beams and is rotatably connected with the support beams, the support beams are provided with rotating shaft tightening bolts, the support beams are fixedly installed on the top of the column, a square tube sleeve is arranged at the lower end of the column, the square tube sleeve is slidably connected to the base cross rail, the square tube sleeves are fixedly connected by a connecting rod, the side wall of the square tube sleeve is provided with a column tightening bolt, the base cross rail is fixedly connected with the base longitudinal beam, together forming a quadrilateral mounting frame base.

[0004] The above-mentioned adjustable rotary displacement clamp clamps the chassis through the adjustment structure of the lower guide rail slider and the clamp head installed on the upper rotating shaft. The clamping angle of the clamp head is adjusted through various fixing bolts to achieve the tilting and rotation of the chassis, which is convenient for workers' welding and assembly operations and improves processing efficiency. However, the above-mentioned adjustable rotary displacement clamp still has some disadvantages, such as: First, it is not convenient to perform displacement actions on the clamp in the three directions of X-axis, Y-axis and Z-axis, so it is not convenient to clamp workpieces in multiple positions, which reduces the convenience of clamping work; Second, because the direction of the clamp is fixed, the clamp is only convenient for clamping workpieces in one direction, and it is not convenient to clamp workpieces in another direction at the same time. For this reason, a three-axis displacement clamp is designed. Utility Model Content

[0005] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide a three-axis displacement fixture to solve the problems mentioned in the background technology.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A three-axis displacement fixture comprises a fixed base, two groups of side plates are symmetrically welded at both ends of the upper surface of the fixed base, an X-axis moving assembly is arranged between the two groups of side plates, a fixed column is arranged above the X-axis moving assembly, a rotating mechanism is installed on the fixed column, a support plate is fixedly arranged at the end of the rotating mechanism, two groups of longitudinal plates are symmetrically welded at both sides of the upper surface of the support plate, a transverse plate is welded between the tops of the two groups of longitudinal plates, a Z-axis moving assembly is arranged between the transverse plate and the support plate, a Y-axis moving assembly is fixedly installed at one end of the Z-axis moving assembly, a placement plate is fixedly arranged at one end of the Y-axis moving assembly, and two groups of clamping mechanisms are arranged above the placement plate;

[0008] The rotating mechanism includes a receiving groove, a second servo motor and a rotating shaft. The receiving groove is opened inside the fixed column. The second servo motor is fixedly installed in the receiving groove. One end of the rotating shaft is transmission-connected to the output end of the second servo motor. The other end of the rotating shaft is fixedly arranged on the lower surface of the support plate.

[0009] By adopting the above technical solution, by setting up an X-axis moving component, a Y-axis moving component and a Z-axis moving component, the clamping mechanism can perform displacement actions in three directions of X-axis, Y-axis and Z-axis, so that the clamping mechanism can clamp workpieces in multiple positions, making the clamping work more convenient; by setting up a rotating mechanism, the second servo motor is used to drive the rotating shaft to rotate, and the rotating shaft drives the support plate to rotate, so that the support plate rotates 180°, so that the clamping mechanism rotates 180°, so that the clamping mechanism can clamp workpieces in two directions.

[0010] Preferably, the X-axis moving assembly includes a first servo motor, a first screw rod and an X-axis moving seat, the first servo motor is fixedly mounted on the outer surface of one group of the side plates, both ends of the first screw rod are rotatably arranged between the two groups of the side plates, and one end of the first screw rod is transmission-connected to the output end of the first servo motor, and the X-axis moving seat is threadedly connected on the circumference of the first screw rod.

[0011] By adopting the above technical solution, the first servo motor drives the first screw rod to rotate, and the first screw rod drives the X-axis moving seat to move, thereby completing the displacement in the X-axis direction.

[0012] Preferably, a first guide rod is welded between the two groups of side plates, and the first guide rod passes through the X-axis moving seat and is slidably connected to the X-axis moving seat.

[0013] By adopting the above technical solution, the stability of the X-axis moving base during movement can be increased.

[0014] Preferably, a bearing is provided at the connection between the rotating shaft and the fixing column.

[0015] By adopting the above technical solution, the stability and balance of the rotating shaft can be increased.

[0016] Preferably, the Z-axis moving assembly includes a third servo motor, a second screw rod and a Z-axis moving seat, the third servo motor is fixedly mounted on the upper surface of the horizontal plate, one end of the second screw rod is transmission connected to the output end of the third servo motor, and the Z-axis moving seat is threadedly connected on the circumference of the second screw rod.

[0017] By adopting the above technical solution, the third servo motor drives the second screw rod to rotate, and the second screw rod drives the Z-axis moving seat to move, thereby completing the displacement in the Z-axis direction.

[0018] Preferably, a second guide rod is welded between the transverse plate and the support plate, and the second guide rod passes through the Z-axis movable seat and is slidably connected to the Z-axis movable seat.

[0019] By adopting the above technical solution, the stability of the Z-axis moving base during movement can be increased.

[0020] Preferably, the Y-axis moving assembly includes two groups of first servo electric cylinders and a Y-axis moving seat, the two groups of the first servo electric cylinders are fixedly mounted on the outer surface of the Z-axis moving seat, the Y-axis moving seat is fixedly arranged on the output ends of the two groups of the first servo electric cylinders, and the placement plate is welded to the bottom of the Y-axis moving seat.

[0021] By adopting the above technical solution, the Y-axis moving seat is driven to move by the extension and retraction of the first servo electric cylinder, thereby completing the displacement in the Y-axis direction.

[0022] Preferably, the two groups of clamping mechanisms each include a positioning plate, a second servo electric cylinder and a clamping plate, the positioning plate is welded to the top of the Y-axis moving seat, the second servo electric cylinder is fixedly mounted on the upper surface of the positioning plate, and the clamping plate is fixedly disposed on the output end of the second servo electric cylinder.

[0023] By adopting the above technical solution, the clamping plate is pushed downward by the second servo electric cylinder, so that the clamping plate and the placement plate cooperate to clamp the workpiece, thereby completing the fixation of the workpiece.

[0024] In summary, the utility model mainly has the following beneficial effects:

[0025] First, the utility model provides an X-axis moving assembly, a Y-axis moving assembly and a Z-axis moving assembly, so that the clamping mechanism can perform displacement actions in three directions of the X-axis, the Y-axis and the Z-axis, thereby facilitating the clamping mechanism to clamp workpieces at multiple positions, making the clamping work more convenient;

[0026] Second, the utility model sets a rotating mechanism and utilizes a second servo motor to drive the rotating shaft to rotate, and the rotating shaft drives the supporting plate to rotate, so that the supporting plate rotates 180°, thereby causing the clamping mechanism to rotate 180°, thereby facilitating the clamping mechanism to clamp workpieces in two directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is one of the structural schematic diagrams of the utility model;

[0028] Figure 2 This is the second structural diagram of the utility model;

[0029] Figure 3 This is the third structural diagram of the utility model;

[0030] Figure 4 It is a structural sectional view of the rotating mechanism part of the utility model.

[0031] Figure numerals: 1. fixed base; 2. side plate; 3. X-axis moving assembly; 31. first servo motor; 32. first screw rod; 33. X-axis moving seat; 34. first guide rod; 4. fixed column; 5. rotating mechanism; 51. accommodating groove; 52. second servo motor; 53. rotating shaft; 54. bearing; 6. supporting plate; 7. longitudinal plate; 8. transverse plate; 9. Z-axis moving assembly; 91. third servo motor; 92. second screw rod; 93. Z-axis moving seat; 94. second guide rod; 10. Y-axis moving assembly; 101. first servo electric cylinder; 102. Y-axis moving seat; 11. placing plate; 12. clamping mechanism; 121. positioning plate; 122. second servo electric cylinder; 123. clamping plate. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0033] refer to Figure 1-4A three-axis displacement fixture comprises a fixed base 1, two groups of side plates 2 are symmetrically welded at both ends of the upper surface of the fixed base 1, an X-axis moving component 3 is arranged between the two groups of side plates 2, a fixed column 4 is arranged above the X-axis moving component 3, a rotating mechanism 5 is installed on the fixed column 4, a support plate 6 is fixedly arranged at the end of the rotating mechanism 5, two groups of longitudinal plates 7 are symmetrically welded at both sides of the upper surface of the support plate 6, a transverse plate 8 is welded between the tops of the two groups of longitudinal plates 7, a Z-axis moving component 9 is arranged between the transverse plate 8 and the support plate 6, a Y-axis moving component 10 is fixedly installed at one end of the Z-axis moving component 9, and the Y-axis moving component A placement plate 11 is fixedly provided at one end of 10, and two groups of clamping mechanisms 12 are provided above the placement plate 11; the two groups of clamping mechanisms 12 each include a positioning plate 121, a second servo electric cylinder 122 and a clamping plate 123, the positioning plate 121 is welded to the top of the Y-axis moving seat 102, the second servo electric cylinder 122 is fixedly mounted on the upper surface of the positioning plate 121, and the clamping plate 123 is fixedly provided on the output end of the second servo electric cylinder 122; the clamping plate 123 is pushed downward by the second servo electric cylinder 122, so that the clamping plate 123 and the placement plate 11 cooperate to clamp the workpiece, thereby completing the workpiece fixation;

[0034] The rotating mechanism 5 includes a receiving groove 51, a second servo motor 52 and a rotating shaft 53. The receiving groove 51 is opened inside the fixed column 4, and the second servo motor 52 is fixedly installed in the receiving groove 51. One end of the rotating shaft 53 is transmission-connected to the output end of the second servo motor 52, and the other end of the rotating shaft 53 is fixedly set on the lower surface of the support plate 6; in order to increase the stability and balance of the rotating shaft 53 during rotation, a bearing 54 is set at the connection between the rotating shaft 53 and the fixed column 4.

[0035] refer to Figure 1-2 The X-axis moving assembly 3 includes a first servo motor 31, a first screw rod 32 and an X-axis moving seat 33. The first servo motor 31 is fixedly mounted on the outer surface of one group of side plates 2. Both ends of the first screw rod 32 are rotatably arranged between the two groups of side plates 2, and one end of the first screw rod 32 is transmission-connected to the output end of the first servo motor 31. The X-axis moving seat 33 is threadedly connected to the circumference of the first screw rod 32. The first servo motor 31 drives the first screw rod 32 to rotate, and the first screw rod 32 drives the X-axis moving seat 33 to move, thereby completing the displacement in the X-axis direction. In order to increase the stability of the X-axis moving seat 33 during movement, a first guide rod 34 is welded between the two groups of side plates 2, and the first guide rod 34 passes through the X-axis moving seat 33 and is slidably connected to the X-axis moving seat 33.

[0036] refer to Figure 1-2The Z-axis moving assembly 9 includes a third servo motor 91, a second screw rod 92 and a Z-axis moving seat 93. The third servo motor 91 is fixedly mounted on the upper surface of the cross plate 8. One end of the second screw rod 92 is transmission-connected to the output end of the third servo motor 91. The Z-axis moving seat 93 is threadedly connected to the circumference of the second screw rod 92. The second screw rod 92 is driven to rotate by the third servo motor 91, and the second screw rod 92 drives the Z-axis moving seat 93 to move, thereby completing the displacement in the Z-axis direction. In order to increase the stability of the Z-axis moving seat 93 during movement, a second guide rod 94 is welded between the cross plate 8 and the support plate 6. The second guide rod 94 passes through the Z-axis moving seat 93 and is slidably connected to the Z-axis moving seat 93.

[0037] refer to Figure 2-3 The Y-axis moving assembly 10 includes two groups of first servo electric cylinders 101 and a Y-axis moving seat 102. The two groups of first servo electric cylinders 101 are fixedly installed on the outer surface of the Z-axis moving seat 93. The Y-axis moving seat 102 is fixedly arranged on the output ends of the two groups of first servo electric cylinders 101. The placement plate 11 is welded to the bottom of the Y-axis moving seat 102. The Y-axis moving seat 102 is driven to move by the extension and retraction of the first servo electric cylinder 101, thereby completing the displacement in the Y-axis direction.

[0038] refer to Figure 1-4 The utility model sets an X-axis moving component 3, a Y-axis moving component 10 and a Z-axis moving component 9, so that the clamping mechanism 12 can perform displacement actions in three directions of the X-axis, the Y-axis and the Z-axis, so that the clamping mechanism 12 can clamp workpieces in multiple positions, making the clamping work more convenient; by setting a rotating mechanism 5, the second servo motor 52 is used to drive the rotating shaft 53 to rotate, and the rotating shaft 53 drives the support plate 6 to rotate, so that the support plate 6 rotates 180°, so that the clamping mechanism 12 can rotate 180°, so that the clamping mechanism 12 can clamp workpieces in two directions.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A three-axis displacement fixture, characterized in that: The invention comprises a fixed base (1), two groups of side plates (2) are symmetrically welded at both ends of the upper surface of the fixed base (1), an X-axis moving assembly (3) is arranged between the two groups of side plates (2), a fixed column (4) is arranged above the X-axis moving assembly (3), a rotating mechanism (5) is installed on the fixed column (4), a supporting plate (6) is fixedly arranged at the end of the rotating mechanism (5), two groups of longitudinal plates (7) are symmetrically welded at both sides of the upper surface of the supporting plate (6), a transverse plate (8) is welded between the tops of the two groups of longitudinal plates (7), a Z-axis moving assembly (9) is arranged between the transverse plate (8) and the supporting plate (6), a Y-axis moving assembly (10) is fixedly installed at one end of the Z-axis moving assembly (9), a placement plate (11) is fixedly arranged at one end of the Y-axis moving assembly (10), and two groups of clamping mechanisms (12) are arranged above the placement plate (11); The rotating mechanism (5) comprises a receiving groove (51), a second servo motor (52) and a rotating shaft (53); the receiving groove (51) is arranged inside the fixing column (4); the second servo motor (52) is fixedly mounted in the receiving groove (51); one end of the rotating shaft (53) is drivingly connected to the output end of the second servo motor (52); and the other end of the rotating shaft (53) is fixedly arranged on the lower surface of the supporting plate (6).

2. A three-axis displacement fixture according to claim 1, characterized in that: The X-axis moving assembly (3) comprises a first servo motor (31), a first screw rod (32) and an X-axis moving seat (33), wherein the first servo motor (31) is fixedly mounted on the outer surface of one set of the side plates (2), the two ends of the first screw rod (32) are rotatably arranged between the two sets of the side plates (2), and one end of the first screw rod (32) is drivingly connected to the output end of the first servo motor (31), and the X-axis moving seat (33) is threadedly connected on the circumference of the first screw rod (32).

3. A three-axis displacement fixture according to claim 2, characterized in that: A first guide rod (34) is welded between the two groups of side plates (2), and the first guide rod (34) passes through the X-axis moving seat (33) and is slidably connected to the X-axis moving seat (33).

4. The three-axis displacement fixture according to claim 1, characterized in that: A bearing (54) is provided at the connection between the rotating shaft (53) and the fixing column (4).

5. The three-axis displacement fixture according to claim 1, characterized in that: The Z-axis moving assembly (9) comprises a third servo motor (91), a second screw rod (92) and a Z-axis moving seat (93); the third servo motor (91) is fixedly mounted on the upper surface of the transverse plate (8); one end of the second screw rod (92) is transmission-connected to the output end of the third servo motor (91); and the Z-axis moving seat (93) is threadedly connected on the circumference of the second screw rod (92).

6. A three-axis displacement fixture according to claim 5, characterized in that: A second guide rod (94) is welded between the transverse plate (8) and the support plate (6), and the second guide rod (94) passes through the Z-axis movable seat (93) and is slidably connected to the Z-axis movable seat (93).

7. The three-axis displacement fixture according to claim 5, characterized in that: The Y-axis moving assembly (10) comprises two groups of first servo electric cylinders (101) and a Y-axis moving seat (102), the two groups of the first servo electric cylinders (101) are fixedly mounted on the outer surface of the Z-axis moving seat (93), the Y-axis moving seat (102) is fixedly arranged on the output ends of the two groups of the first servo electric cylinders (101), and the placement plate (11) is welded to the bottom of the Y-axis moving seat (102).

8. The three-axis displacement fixture according to claim 7, characterized in that: The two groups of clamping mechanisms (12) each comprise a positioning plate (121), a second servo electric cylinder (122) and a clamping plate (123); the positioning plate (121) is welded to the top of the Y-axis movable seat (102); the second servo electric cylinder (122) is fixedly mounted on the upper surface of the positioning plate (121); and the clamping plate (123) is fixedly arranged on the output end of the second servo electric cylinder (122).

Images