Clamping device for bevel gear machining

Abstract

The utility model discloses a clamping device for bevel gear machining, which relates to the technical field of gear machining equipment, and is characterized in that the clamping device comprises a workbench, a supporting mechanism and a clamping mechanism are arranged on the workbench, and the supporting mechanism comprises a supporting seat and a lifting assembly used for driving the supporting seat to move along the Y-axis direction; the clamping mechanism comprises a clamping base, a steering assembly and a sliding assembly, the steering assembly is used for driving the clamping base to rotate on the plane where the X-axis and the Z-axis are located, the sliding assembly is used for driving the clamping base to move in the X-axis direction, and the clamping base comprises a five-jaw chuck. According to the clamping device for bevel gear machining, through the synergistic effect of the clamping base and the supporting base, the gear can be clamped and fixed, the gear does not need to be held by hand, and due to the fact that the gear is pre-clamped, the situation that clamping is inclined can be avoided, and the clamping stability is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear processing equipment technical field, concretely is a kind of clamping device for bevel gear machining. BACKGROUND

[0002] Bevel gear is also called umbrella gear, and is widely used in industrial transmission equipment such as vehicle differential, locomotive, ship, power plant, steel plant and railway track detection. Generally, it can be divided into various structures according to the number of teeth, modulus, pressure angle, addendum height, dedendum height, face taper angle, split taper angle, root taper angle, back taper distance, crown distance, installation distance, fixed chord tooth thickness, fixed chord tooth height, displacement coefficient and side gap.

[0003] At present, in the processing of bevel gear, in order to make the surface of gear reach the size, geometric shape and technical requirements such as matching precision with other surfaces specified in drawing, the gear to be processed must be positioned and clamped by jig before processing, so as to be stably placed.

[0004] The existing jig for bevel gear machining usually includes a workbench, clamping jaws are arranged at both ends of the workbench, and the clamping jaws can slide along the length direction of the lathe by the driving of a driving mechanism. During gear processing, the gear can be first placed between the clamping jaws, and then the clamping jaws are driven to close by the driving mechanism, so as to realize the positioning and clamping of the gear, and facilitate the processing operation. However, the gear needs to be placed between the clamping jaws by hand, and the hand can be released only after the clamping jaws are closed, which is more troublesome, and the gear is prone to be clamped skew, resulting in unstable clamping. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a clamping device for bevel gear machining to solve the above problems.

[0006] The utility model realizes the above-mentioned purpose by the following technical scheme, a kind of clamping device for bevel gear machining, including workbench, be provided with support mechanism and clamping mechanism on the workbench, the support mechanism includes support seat and be used for driving support seat moves along Y axis direction lifting assembly, the clamping mechanism includes clamping seat, steering assembly and sliding component, the steering assembly is used to drive clamping seat rotates on the plane of X axis, Z axis, the sliding component is used to drive clamping seat moves along X axis direction, the clamping seat includes five-jaw chuck.

[0007] As a further setting of the utility model, the lifting assembly includes a connecting column fixedly connected on the workbench, a sliding sleeve is slidably connected on the connecting column, a threaded screw rod is rotatably connected in the connecting column, a nut seat connected with the sliding sleeve is threadedly connected on the threaded screw rod, and a rotating wheel connected with the threaded screw rod is arranged on the top of the connecting column.

[0008] As a further setting of the utility model, the connecting column side wall is provided with a sliding groove along the length direction, the inner side wall of the sliding sleeve is provided with a sliding block penetrating the sliding groove, and the sliding block is connected with the nut base.

[0009] As a further setting of the utility model, the steering assembly comprises a driving motor, the output end of the driving motor is connected with a rotating disc, the clamping seat comprises a support arm fixedly connected to the rotating disc, an installation arm is obliquely arranged on the support arm, and the five-jaw chuck is fixedly installed on the installation arm.

[0010] As a further setting of the utility model, the sliding assembly comprises a sliding rail fixedly connected to the workbench, the sliding rail is slidably connected with a table body, the workbench is rotatably connected with a rotating rod, the rotating rod is connected with a driving gear, and the table body is provided with a driven rack meshing with the driving gear.

[0011] As a further setting of the utility model, the end of the rotating rod away from the driving gear is connected with a handle.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] In use, the support seat is first driven to move upwards by the lifting assembly, then the clamping seat is driven to move away from the support seat by the sliding assembly, and finally the clamping seat is driven to rotate by the steering assembly, so that the clamping seat is completely away from the support seat, the existence of the support seat does not affect the clamping of the five-jaw chuck on the gear, the gear can be pre-clamped by the five-jaw chuck, the accuracy of the clamping position is ensured, then the clamping seat is driven to move towards the support seat by the sliding assembly, then the support seat is driven to move downwards by the lifting assembly, and finally the clamping seat is driven to rotate reversely by the steering assembly, so that the clamping seat is aligned with the support seat, so that the gear can be abutted against the support seat, the gear can be clamped and fixed by the cooperation of the clamping seat and the support seat, the gear does not need to be held by hand, and since the gear is pre-clamped, the situation that the gear is clamped askew can be avoided, and the stability of clamping is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model Figure One ;

[0015] Figure 2 It is a structural schematic view of the utility model Figure Two ;

[0016] Figure 3 It is an enlarged structural schematic view of A in the utility model Figure 2 ;

[0017] Figure 4The utility model discloses a structure diagram Figure Three .

[0018] Figure : 1, workbench;2, support seat;3, five claw chuck;4, connecting column;5, sliding sleeve;6, threaded screw;7, nut seat;8, runner;9, sliding slot;10, sliding block;11, drive motor;12, rotary disc;13, support arm;14, mounting arm;15, slide rail;16, table body;17, rotating rod;18, driving gear;19, driven rack;20, handle. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of the utility model protection.

[0020] Please refer to Figure 1 、 Figure 2 As shown in the figure, a kind of clamping device for bevel gear machining, including workbench 1, support mechanism and clamping mechanism are provided on workbench 1, support mechanism includes support seat 2 and the lifting assembly for driving support seat 2 moves along Y axis direction, clamping mechanism includes clamping seat, steering assembly and sliding assembly, steering assembly is used to drive clamping seat to rotate in the plane of X axis, Z axis, sliding assembly is used to drive clamping seat to move along X axis direction, clamping seat includes five claw chuck 3, five claw chuck 3 has five clamping claws, can be moved to center or outward synchronously, realize clamping and release, then when device uses, can first drive support seat 2 to move upwards by lifting assembly, then drive clamping seat to move in the direction away from support seat 2 by sliding assembly, finally drive clamping seat to rotate by steering assembly, so that it is away from support seat 2, then through this series of operations, can make clamping seat completely away from support seat 2, avoid the influence of support seat 2 on the clamping of five claw chuck 3 to gear, then can carry out pre-clamping to gear by five claw chuck 3, guarantee the accuracy of clamping position, then drive clamping seat to move in the direction close to support seat 2 by sliding assembly, then drive support seat 2 to move downwards by lifting assembly, finally drive clamping seat to reverse rotation by steering assembly, so that it is aligned with support seat 2, so that gear can be in contact with support seat 2, then through the synergic effect of clamping seat and support seat 2, the clamping of gear can be realized, gear is not needed to be held, and since gear has been pre-clamped, so that it can avoid the situation of clamping skew, guarantee the stability of clamping.

[0021] Please refer to Figures 1-3As shown, the lifting assembly comprises a connecting column 4 fixedly connected to the workbench 1, a sliding sleeve 5 slidingly connected to the connecting column 4, and a threaded screw rod 6 rotatably connected inside the connecting column 4, a nut seat 7 threadedly connected to the threaded screw rod 6 and connected to the sliding sleeve 5, and a rotating wheel 8 connected to the threaded screw rod 6 at the top of the connecting column 4. By holding and rotating the rotating wheel 8, the threaded screw rod can be rotated, thereby moving the nut seat 7 along the length direction of the threaded screw rod 6, so that the sliding sleeve 5 slides on the connecting column 4, and the support base 2 moves along the Y-axis direction. The operation is relatively convenient and simple. A sliding groove 9 is formed in the length direction of the side wall of the connecting column 4, and a sliding block 10 penetrating through the sliding groove 9 is arranged on the inner side wall of the sliding sleeve 5. The sliding block 10 is connected to the nut seat 7. When the sliding sleeve 5 slides along the connecting column 4, the sliding block 10 will slide along the sliding groove 9. By limiting the sliding block 10 through the sliding groove 9, the sliding of the sliding sleeve 5 is more stable and smooth.

[0022] Please refer to Figure 1 、 Figure 2 、 Figure 4 As shown, the steering assembly comprises a driving motor 11, a rotating disc 12 connected to the output end of the driving motor 11, a clamping seat comprising a support arm 13 fixedly connected to the rotating disc 12, and an installation arm 14 obliquely arranged on the support arm 13, and the five-jaw chuck 3 is fixedly installed on the installation arm 14. By starting the driving motor 11, the rotating disc 12 can be rotated, thereby the support arm 13 can be rotated, and the five-jaw chuck 3 can be rotated through the installation arm 14, so as to realize the steering of the five-jaw chuck 3. The operation is relatively convenient and simple. The sliding assembly comprises a sliding rail 15 fixedly connected to the workbench 1, a table body 16 slidingly connected to the sliding rail 15, a rotating rod 17 rotatably connected to the workbench 1, a driving gear 18 connected to the rotating rod 17, and a driven rack 19 arranged at the bottom of the table body 16 and engaged with the driving gear 18. By rotating the rotating rod 17, the driving gear 18 can be rotated, thereby the driven rack 19 engaged therewith can be moved, and the table body 16 can slide on the sliding rail 15, thereby driving the clamping seat to move along the X-axis direction. The operation is relatively convenient. A handle 20 is connected to the end of the rotating rod 17 away from the driving gear 18. By holding the handle 20 and applying force, the rotating rod 17 can be rotated. The handle 20 can provide a force point for the operation of the rotating rod 17, thereby making the operation more relaxed and labor-saving.

[0023] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0024] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A bevel gear machining clamping device comprising a worktable (1), characterized in that: The workbench (1) is provided with a supporting mechanism and a clamping mechanism, the supporting mechanism comprises a supporting base (2) and a lifting assembly for driving the supporting base (2) to move along the Y-axis direction, the clamping mechanism comprises a clamping base, a steering assembly and a sliding assembly, the steering assembly is used for driving the clamping base to rotate on the plane of the X-axis and the Z-axis, the sliding assembly is used for driving the clamping base to move along the X-axis direction, and the clamping base comprises a five-jaw chuck (3).

2. The bevel gear machining clamping device according to claim 1, characterized in that: The lifting assembly comprises a connecting column (4) fixedly connected to the workbench (1), a sliding sleeve (5) slidably connected to the connecting column (4), a threaded lead screw (6) rotatably connected to the connecting column (4), and a nut base (7) threadedly connected to the threaded lead screw (6) and connected to the sliding sleeve (5).

3. The bevel gear machining clamping device according to claim 2, characterized in that: A sliding groove (9) is formed in the length direction of the side wall of the connecting column (4), a sliding block (10) is arranged on the inner side wall of the sliding sleeve (5) and penetrates the sliding groove (9), and the sliding block (10) is connected to the nut base (7).

4. The bevel gear machining clamping device according to claim 1, characterized in that: The steering assembly comprises a driving motor (11), the output end of the driving motor (11) is connected with a rotating disc (12), the clamping base comprises a supporting arm (13) fixedly connected to the rotating disc (12), an installation arm (14) is arranged on the supporting arm (13) in an inclined manner, and the five-jaw chuck (3) is fixedly installed on the installation arm (14).

5. The bevel gear machining clamping device according to claim 4, characterized in that: The sliding assembly comprises a sliding rail (15) fixedly connected to the workbench (1), a table body (16) slidably connected to the sliding rail (15), a rotating rod (17) rotatably connected to the workbench (1), a driving gear (18) connected to the rotating rod (17), and a driven rack (19) arranged at the bottom of the table body (16) and engaged with the driving gear (18).

6. The bevel gear machining clamping device according to claim 5, characterized in that: The end, away from the driving gear (18), of the rotating rod (17) is connected with a handle (20).

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