Multi-specification universal fixture for boss gear

Abstract

The utility model discloses a multi-specification universal fixture for boss gears, and relates to the technical field of industrial fixture devices. The clamping device comprises a mounting seat, a clamping cylinder, a fixing frame, a tray, a first chuck, a second chuck, a supporting rod, a long-strip hole, a positioning groove and a convex block, a clamping air cylinder is installed on the upper portion of the installation base, two fixing frames are arranged on the right side of the installation base, trays are arranged at the interval positions below the two fixing frames, a first chuck and a second chuck are arranged on the inner side faces, corresponding to the trays, of the two fixing frames respectively, and the first chuck and the second chuck correspond to each other in horizontal position. Two long-strip-shaped holes are formed in the fixing frame, and the upper ends of the two supporting rods penetrate through the long-strip-shaped holes and are fixed to the fixing frame in a threaded connection mode. A plurality of evenly-distributed positioning grooves are formed in the side face of the mounting base, and protruding blocks corresponding to the positioning grooves in position and matched with the positioning grooves in size are arranged on the upper surface and the lower surface of the fixing frame. The fixture is small in size, light in weight, high in positioning precision of workpieces to be machined and applicable to boss gear machined workpieces of the same type and different specifications and sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial clamp devices, in particular to a multi-specification universal clamp for boss gears. Background Art

[0002] A gear fixture is a device used to secure gears for machining, testing, and other operations. To improve fixture efficiency and cost-effectiveness, fixture design should consider versatility and interchangeability. For example, a fixture can be designed to accommodate gears of varying sizes and modules by replacing some positioning or clamping elements.

[0003] In existing robotic machine tool loading and unloading scenarios, the boss gear fixtures used are typically long-stroke cylinder fixtures. These fixtures have large strokes, resulting in large size and mass, and require greater energy consumption during loading and unloading. Furthermore, existing robotic automatic gripping and unloading boss gear fixtures are not highly compatible and cannot accommodate a variety of workpieces with different diameters, resulting in relatively low work efficiency. Therefore, to address these issues, a universal fixture for boss gears with multiple specifications was proposed. Utility Model Content

[0004] The purpose of the utility model is to address the defects and shortcomings of the existing technology and provide a universal fixture for boss gears of multiple specifications. It has a small size, light weight, high positioning accuracy for workpieces, and can be applied to boss gear workpieces of the same type but different specifications and sizes. The fixture position can be adjusted instantly according to the different specifications and sizes of workpieces to adapt to workpieces of different diameters. It has high stability and high compatibility.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: it includes a mounting base 1, a clamping cylinder 2, a fixing frame 3, a tray 4, a first chuck 5, a second chuck 6, a support rod 7, a long hole 8, a positioning groove 9, and a protrusion 11; the clamping cylinder 2 is installed on the upper part of the mounting base 1, and two fixing frames 3 are arranged on the right side of the mounting base 1, and a tray 4 is arranged at an interval below the two fixing frames 3, and the inner sides of the two fixing frames 3 corresponding to the positions of the tray 4 are respectively provided with a first chuck 5 and a second chuck 6, and the horizontal positions of the first chuck 5 and the second chuck 6 correspond; two long holes 8 are provided on the fixing frame 3, and the upper ends of the two support rods 7 are screwed through the long holes 8 and fixed to the fixing frame 3; a plurality of evenly distributed positioning grooves 9 are opened on the side of the mounting base 1, and protrusions 11 corresponding to the positions of the positioning grooves 9 and matching in size are provided on the upper and lower surfaces of the fixing frame 3.

[0006] Furthermore, a limiting hole 101 is provided on the mounting seat 1 , and the limiting hole 101 is located in the middle of the positioning groove 9 .

[0007] Furthermore, the fixing frame 3 is provided with a penetrating fixing hole 301 .

[0008] Furthermore, a chuck fixing piece 302 is provided on the outer side surface of the fixing frame 3 , and the first chuck 5 and the second chuck 6 are both mounted and fixed on the inner side surface of the fixing frame 3 through the chuck fixing piece 302 .

[0009] Furthermore, the tray 4 is a universal tray for boss gears.

[0010] Furthermore, the first chuck 5 and the second chuck 6 are arranged at corresponding positions, the first chuck 5 is a single-point protruding structure, and the second chuck 6 is an open two-point positioning structure. The first chuck 5 and the second chuck 6 form a three-point circle center adaptive structure.

[0011] Furthermore, the upper end of the support rod 7 is fixed to the fixing frame 3 by a screw assembly 701 , and the size of the support rod 7 and the elongated hole 8 fit perfectly.

[0012] Furthermore, a gasket 702 is provided at the bottom of the support rod 7 .

[0013] The working principle of the utility model is as follows: a positioning groove is opened on the mounting seat, and a protrusion is provided on the fixing frame at the corresponding position. According to the lateral size of the workpiece, the positioning groove and the protrusion are adjusted to match and fix the position. At this time, the position of the support rod in the long hole can be moved to adjust the front and rear position size of the corresponding workpiece, and the longitudinal support force is provided by the pallet, the first chuck and the second chuck provide horizontal clamping, and the three-point center adaptive clamping force is used to clamp and fix the workpiece, which is convenient for processing.

[0014] After adopting the above technical solution, the beneficial effects of the utility model are: it has a small size, light weight, high positioning accuracy for the workpiece, can be applied to boss gear workpieces of the same type with different specifications and sizes, can instantly adjust its own fixture position according to the different specifications and sizes of workpieces to adapt to workpieces of different diameters, has high stability, high compatibility, and high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 It is the main view of the utility model;

[0018] Figure 3 It corresponds to Figure 2 A top view of

[0019] Figure 4 It corresponds to Figure 2 Left view of;

[0020] Figure 5 It corresponds to Figure 4 Top view of .

[0021] Explanation of the accompanying drawings: mounting base 1, clamping cylinder 2, fixing frame 3, tray 4, first chuck 5, second chuck 6, support rod 7, long hole 8, positioning groove 9, protrusion 11, limiting hole 101, fixing hole 301, chuck fixing part 302, screw group 701, gasket 702. DETAILED DESCRIPTION

[0022] See Figure 1-5 As shown, the technical solution adopted in this specific embodiment is: it includes a mounting base 1, a clamping cylinder 2, a fixing frame 3, a tray 4, a first chuck 5, a second chuck 6, a support rod 7, a long hole 8, a positioning groove 9, and a protrusion 11; the clamping cylinder 2 is installed on the upper part of the mounting base 1, and two fixing frames 3 are arranged on the right side of the mounting base 1, and a tray 4 is arranged at an interval below the two fixing frames 3, and the inner sides of the two fixing frames 3 corresponding to the positions of the tray 4 are respectively provided with a first chuck 5 and a second chuck 6, and the horizontal positions of the first chuck 5 and the second chuck 6 correspond; two long holes 8 are provided on the fixing frame 3, and the upper ends of the two support rods 7 are screwed through the long holes 8 and fixed to the fixing frame 3; a plurality of evenly distributed positioning grooves 9 are opened on the side of the mounting base 1, and the upper and lower surfaces of the fixing frame 3 are provided with protrusions 11 corresponding to the positions of the positioning grooves 9 and matching in size.

[0023] Furthermore, a limiting hole 101 is provided on the mounting seat 1 , and the limiting hole 101 is located in the middle of the positioning groove 9 .

[0024] Furthermore, the fixing frame 3 is provided with a through fixing hole 301. When the mounting base 1 and the fixing frame 3 are fixed by the corresponding positions of the positioning groove 9 and the protrusion 11, the bolts can be passed through the limiting hole 101 and the fixing hole 301 in sequence, and then fixed by the nut to fix the spacing distance between the two fixing frames 3.

[0025] Furthermore, a chuck fixing part 302 is provided on the outer side of the fixing frame 3, and the first chuck 5 and the second chuck 6 are both installed and fixed on the inner side of the fixing frame 3 through the chuck fixing part 302, which can ensure that the working positions of the first chuck 5 and the second chuck 6 are not offset, so that the horizontal direction of the clamp is stable when clamping the workpiece, avoiding damage to the workpiece.

[0026] Furthermore, the tray 4 is a universal tray for boss gears, which can be adapted to the installation of most boss gear workpieces and is supported and fixed by the tray 4 to provide support stability in the vertical direction.

[0027] Furthermore, the first chuck 5 and the second chuck 6 are arranged in corresponding positions, the first chuck 5 is a single-point protruding structure, and the second chuck 6 is an open two-point positioning structure. The first chuck 5 and the second chuck 6 form a three-point circle center adaptive structure, which is suitable for clamping a variety of boss gears of the same type and different sizes, and the three-point circle center structure can provide the highest stability, thereby improving the processing quality and efficiency of the workpiece.

[0028] Furthermore, the upper end of the support rod 7 is fixed to the fixing frame 3 by a screw group 701, and the size of the support rod 7 and the elongated hole 8 are matched. By screwing and locking or loosening the screw group 701, the position of the support rod 7 in the elongated hole 8 can be moved, thereby coordinating the installation position of the mounting seat 1 and the fixing frame 3. For workpieces of different sizes, the front and rear and left and right positions of the entire fixture can be adjusted and matched to achieve a universal function for multiple specifications.

[0029] Furthermore, a gasket 702 is provided at the bottom of the support rod 7. The gasket 702 can provide stable installation support for the support rod 7, thereby providing a more stable installation and fixation for the fixing frame 3, thereby improving the overall stability of the clamp.

[0030] The working principle of the present utility model: when the robot grabs the boss gear material, in order to adjust the fixture to adapt to the boss gears of the same type but different sizes, a positioning groove 9 is opened on the mounting seat 1, and a protrusion 11 is set on the fixing frame 3 at the corresponding position. According to the lateral size of the workpiece, the positioning groove 9 is adjusted to cooperate with the protrusion 11 to fix the position. If there is no need to adjust the position, the bolts and nuts can be passed through the limiting holes 101 and the fixing holes 301 to limit and fix them. At this time, the support rod 7 can be moved in the long hole 8 to adjust the front and rear position dimensions of the corresponding workpiece, and the tray 4 provides longitudinal support force, and the first chuck 5 and the second chuck 6 provide horizontal clamping. When clamping the workpiece, the corresponding positions of the first chuck 5 and the second chuck 6 form a three-point circle center adaptive clamping force, thereby clamping the workpiece horizontally for easy processing.

[0031] After adopting the above technical solution, the beneficial effects of the utility model are: it has a small size, light weight, high positioning accuracy for the workpiece, can be applied to boss gear workpieces of the same type with different specifications and sizes, can instantly adjust its own fixture position according to the different specifications and sizes of workpieces to adapt to workpieces of different diameters, has high stability, high compatibility, and high practicality.

[0032] The above description is only used to illustrate the technical solution of the present invention and is not intended to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in this field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A universal fixture for boss gears of various specifications, characterized by: It comprises a mounting base (1), a clamping cylinder (2), a fixing frame (3), a tray (4), a first clamp (5), a second clamp (6), a support rod (7), a long hole (8), a positioning groove (9), and a protrusion (11); the clamping cylinder (2) is installed on the upper part of the mounting base (1); two fixing frames (3) are arranged on the right side of the mounting base (1); a tray (4) is arranged at a spacing position below the two fixing frames (3); the inner sides of the two fixing frames (3) corresponding to the positions of the trays (4) are respectively provided with a first clamp (5) and a second clamp (6); the first clamp (5) and the second clamp (6) are in corresponding horizontal positions; two long holes (8) are provided on the fixing frame (3); the upper ends of the two support rods (7) pass through the long holes (8) and are screwed and fixed to the fixing frame (3); a plurality of evenly distributed positioning grooves (9) are opened on the side of the mounting base (1); and protrusions (11) corresponding to the positions of the positioning grooves (9) and matching in size are provided on the upper and lower surfaces of the fixing frame (3).

2. The universal fixture for boss gears of various specifications according to claim 1, characterized in that: A limiting hole (101) is provided on the mounting seat (1), and the limiting hole (101) is located in the middle of the positioning groove (9).

3. The universal fixture for boss gears of various specifications according to claim 1, characterized in that: The fixing frame (3) is provided with a penetrating fixing hole (301).

4. The universal fixture for boss gears of various specifications according to claim 1, characterized in that: The outer side surface of the fixing frame (3) is provided with a chuck fixing piece (302), and the first chuck (5) and the second chuck (6) are both mounted and fixed on the inner side surface of the fixing frame (3) via the chuck fixing piece (302).

5. The universal fixture for boss gears of various specifications according to claim 1, characterized in that: The tray (4) is a universal tray for boss gears.

6. The universal fixture for boss gears of various specifications according to claim 1, characterized in that: The first chuck (5) and the second chuck (6) are arranged at corresponding positions. The first chuck (5) is a single-point protruding structure, and the second chuck (6) is an open two-point positioning structure. The first chuck (5) and the second chuck (6) form a three-point circle center adaptive structure.

7. The universal fixture for boss gears of various specifications according to claim 1, characterized in that: The upper end of the support rod (7) is fixed to the fixing frame (3) by a screw assembly (701), and the size of the support rod (7) and the elongated hole (8) fits perfectly.

8. The universal fixture for boss gears of various specifications according to claim 1, characterized in that: A gasket (702) is provided at the bottom of the support rod (7).

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