Auxiliary positioning chuck for gear

Abstract

The utility model provides an auxiliary positioning chuck for a gear, and belongs to the field of machine tool accessories. The problem that an existing gear inner hole machining chuck cannot conduct positioning and clamping is solved. The gear auxiliary positioning chuck comprises a chuck base body, a plurality of clamping jaws which can be adjusted in the radial direction and are used for clamping gear workpieces are arranged on the chuck base body, auxiliary mechanisms used for auxiliary positioning and clamping of the gear workpieces are arranged on the clamping jaws, and each auxiliary mechanism is of a detachable structure and is arranged on the corresponding clamping jaw. The auxiliary mechanism comprises a backup plate fixed to the clamping jaw, a detachable positioning column and a screw piece used for fixing, the positioning column is perpendicularly connected to the backup plate and locked and fixed through the screw piece, and the positioning column can be meshed with a gear workpiece to be machined. The gear clamping device has the advantage that the gear can be conveniently positioned and clamped.

Description

Technical Field

[0001] The utility model belongs to the field of machine tool accessories and relates to a chuck, in particular to a gear auxiliary positioning chuck. Background Art

[0002] Finishing the inner bore of a gear is extremely important, as its accuracy and quality significantly impact its performance and reliability. Currently, finishing the inner bore of a gear requires positioning the gear first, followed by machining the inner bore. Directly using a three-jaw chuck for positioning can squeeze the gear tooth surface, causing damage. Summary of the Invention

[0003] The purpose of the present invention is to provide a gear auxiliary positioning chuck to solve the above problems existing in the prior art.

[0004] The purpose of the utility model can be achieved through the following technical solutions: A gear auxiliary positioning chuck, comprising a chuck base, the chuck base having a plurality of radially adjustable jaws for clamping a gear workpiece, characterized in that each of the jaws is provided with an auxiliary mechanism for auxiliary positioning and clamping of the gear workpiece, and each auxiliary mechanism is a detachable structure provided on the corresponding jaw;

[0005] The auxiliary mechanism includes a backing plate fixed on the claw, a detachable positioning column, and a screw member for fixing. The positioning column is vertically connected to the backing plate and is locked and fixed by the screw member.

[0006] The positioning column can be meshed with the gear workpiece to be processed.

[0007] The number of the auxiliary mechanism and the number of the clamping claws are both three, and the back plate is arranged in an L-shaped structure, and the inner side surface is an arc-shaped structure.

[0008] In the above-mentioned gear auxiliary positioning chuck, the screw member sequentially passes through the positioning column and the back plate and is locked with the claws, thereby fixing the back plate and the positioning column on the corresponding claws.

[0009] In the above-mentioned gear auxiliary positioning chuck, the outer diameter of the positioning column can be adjusted according to the size specifications of the actual gear workpiece. The number of positioning columns in each auxiliary mechanism is 2, and they are fixed on the support plate at intervals.

[0010] In the above-mentioned gear-assisted positioning chuck, each auxiliary mechanism is radially adjusted and moved synchronously with the corresponding claw.

[0011] Compared with the existing technology, the gear auxiliary positioning chuck has a reasonable structural design. The positioning column in the auxiliary mechanism is engaged with the gear workpiece, which is more stable during the inner hole processing of the gear workpiece. At the same time, the positioning column can be replaced and adjusted according to gear workpieces of different specifications and sizes, and is widely suitable for gear processing of different sizes and specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural diagram of the gear auxiliary positioning chuck.

[0013] Figure 2 It is a three-dimensional structural diagram of the gear auxiliary positioning chuck.

[0014] In the figure, 1, chuck base; 2, clamping claw; 3, support plate; 4, positioning column; 5, screw. DETAILED DESCRIPTION

[0015] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0016] like Figure 1 、 Figure 2 As shown, the gear auxiliary positioning chuck includes a chuck base 1, which has a plurality of radially adjustable jaws 2 for clamping the gear workpiece, and the jaws 2 are each provided with an auxiliary mechanism for auxiliary positioning and clamping of the gear workpiece, and each auxiliary mechanism is a detachable structure arranged on the corresponding jaw 2, and the auxiliary mechanism includes a back plate 3 fixed on the jaw 2, a detachable positioning column 4, and a screw member 5 for fixing. The positioning column 4 is vertically connected to the back plate 3 and is locked and fixed by the screw member 5. The positioning column 4 can engage with the gear workpiece to be processed.

[0017] The above structure is reasonably designed, and the positioning column 4 in the auxiliary mechanism is engaged with the gear workpiece, which is more stable during the inner hole processing of the gear workpiece. At the same time, the positioning column 4 can be replaced and adjusted according to gear workpieces of different specifications and sizes, and is widely applicable to gear processing of different sizes and specifications.

[0018] This patent is used for gear grinding tooling. The gear workpiece is positioned on the positioning column 4, and the positioning column 4 is locked on the support plate 3 with a screw 5. The support plate 3 is positioned on the matched claw 2. The main expression is the positioning of the positioning column 4 and the processing of multiple rings on the claw 2 to realize the multi-functional use of the chuck, which can clamp the outer circle and position the gear.

[0019] To elaborate further, in order to facilitate the positioning and clamping of the gear workpiece, the auxiliary mechanism and the number of the clamping claws 2 are three, and the support plate 3 is arranged in an L-shaped structure, and the inner side surface is an arc-shaped structure.

[0020] To elaborate further, in order to realize the split detachable structure of the auxiliary mechanism, the screw 5 sequentially passes through the positioning column 4 and the back plate 3 and is locked with the claw 2, thereby fixing the back plate 3 and the positioning column 4 on the corresponding claw 2.

[0021] To elaborate further, in order to adapt to the processing of gear workpieces of different specifications and sizes, the outer diameter of the positioning column 4 can be adjusted according to the size specifications of the actual gear workpiece. There are two positioning columns 4 in each auxiliary mechanism, and they are fixed at intervals on the support plate 3. Each auxiliary mechanism is radially adjusted and moved synchronously with the corresponding claw 2.

[0022] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

[0023] Although this article uses more terms, it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A gear auxiliary positioning chuck, comprising a chuck base (1), the chuck base having a plurality of radially adjustable claws (2) for clamping a gear workpiece, characterized in that: The clamping jaws (2) are each provided with an auxiliary mechanism for assisting in positioning and clamping the gear workpiece, and each auxiliary mechanism is a detachable structure provided on the corresponding clamping jaw (2); The auxiliary mechanism comprises a support plate (3) fixed on the claw (2), a detachable positioning column (4), and a screw member (5) for fixing; the positioning column (4) is vertically connected to the support plate (3) and is locked and fixed by the screw member (5); The positioning column (4) can mesh with the gear workpiece to be processed.

2. A gear auxiliary positioning chuck according to claim 1, characterized in that: The auxiliary mechanism and the clamping claws (2) are both three in number, and the support plate (3) is arranged in an L-shaped structure, and the inner side surface is an arc-shaped structure.

3. The gear auxiliary positioning chuck according to claim 1, characterized in that: The screw member (5) sequentially passes through the positioning column (4) and the support plate (3) and is locked with the claw (2), thereby fixing the support plate (3) and the positioning column (4) on the corresponding claw (2).

4. The gear auxiliary positioning chuck according to claim 1, characterized in that: The outer diameter of the positioning column (4) can be adjusted according to the size specifications of the actual gear workpiece. The number of positioning columns (4) in each auxiliary mechanism is two, and they are fixed on the support plate (3) at intervals.

5. The gear auxiliary positioning chuck according to claim 1, characterized in that: Each auxiliary mechanism moves synchronously with the corresponding claw (2) in radial adjustment.

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