Hobbing positioning tool

Abstract

The utility model discloses a gear hobbing positioning tool which comprises a gear hobbing positioning clamp, a gear hobbing positioning section is arranged in the middle of the gear hobbing positioning clamp, a groove is formed in the middle of the outer portion of the gear hobbing positioning section, and a locking clamping piece is arranged in the groove. The locking clamping piece is connected with a height adjusting plate through a supporting rod, the height adjusting plate is arranged on the inner wall of the gear hobbing positioning section, an access cover is arranged above the gear hobbing positioning section, and the access cover is fixedly connected with the gear hobbing positioning section through a long fixing screw. The four locking clamping pieces are arranged on the periphery of the outer portion of the hobbing positioning section, the device is only suitable for positioning a round workpiece, the locking clamping pieces can be tightened and adjusted through the pushing blocks, the hobbing positioning section expands outwards, and therefore the workpiece machining position is positioned, and the machining efficiency is improved. And a supporting pad for locking the clamping piece can be added through the pushing block, so that the stress is more uniform, and the workpiece positioning firmness is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related field of hobbing machining, in particular to a hobbing machining positioning tool. BACKGROUND

[0002] Hobbing machining is to process gear by the principle of generating method, and the processing of gear by hobbing cutter is equivalent to the meshing of a pair of staggered helical gears, hobbing gear belongs to generating method, and the gear and rack transmission without meshing gap can be regarded as, when the hobbing cutter rotates one round, it is equivalent to that the rack moves one hob in the normal direction, the continuous transmission of hobbing cutter is like an infinitely long rack continuously moving, when the hobbing cutter and hobbing blank strictly mesh according to the transmission ratio of gear and rack, the envelope of hobbing cutter teeth in a series of positions forms the involute tooth profile of workpiece.

[0003] In the prior art, the hobbing machining positioning tool still has some problems in use, because the workpiece is usually processed in suspension, the two ends of the workpiece are generally positioned, and the position to be processed in the middle is reserved, when the workpiece is positioned, it is easy to be not firmly positioned, which leads to unstable workpiece processing and affects the accuracy of workpiece processing. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a hobbing machining positioning tool to solve the problem that the workpiece is usually processed in suspension, the two ends of the workpiece are generally positioned, and the position to be processed in the middle is reserved, when the workpiece is positioned, it is easy to be not firmly positioned, which leads to unstable workpiece processing and affects the accuracy of workpiece processing.

[0005] To achieve the above object, the utility model provides the following technical scheme: a hobbing machining positioning tool, including hobbing machining positioning fixture, the middle position of hobbing machining positioning fixture is equipped with hobbing positioning section, the middle position of the outside of hobbing positioning section is equipped with recess, the inside of recess is equipped with locking clamp, locking clamp is connected through strut and height adjusting plate, height adjusting plate is equipped in the inner wall of hobbing positioning section, the top of hobbing positioning section is equipped with overhauling cover, and overhauling cover is fixedly connected with hobbing positioning section through long fixed screw, the below of the outside of hobbing machining positioning fixture is equipped with limit adjusting hoop, the bottom of hobbing machining positioning fixture is equipped with conical reinforcing base, the bottom of conical reinforcing base is equipped with mounting plate, the inside of mounting plate is equipped with mounting bolt, the below of the inside of hobbing machining positioning fixture is equipped with baffle, the below of baffle is equipped with electric telescopic rod, the top of electric telescopic rod is connected with jacking push block, jacking push block is equipped in the above of baffle, the top of jacking push block is equipped with reset sliding block, the inside of overhauling cover is equipped with guide column in the central position.

[0006] In further embodiments, the outer shape of the jacking push block is a conical structure, and the jacking push block is connected to the reset slider by welding.

[0007] In further embodiments, the reset slider is connected to the guide column by sliding, and the outer shape of the reset slider is a spherical structure.

[0008] In further embodiments, the two sides of the height adjustment plate are connected to the gear hob positioning section by positioning elastic tabs and positioning elastic openings, and the positioning elastic tabs and the height adjustment plate are connected in a trapezoidal structure.

[0009] In further embodiments, the lower end of the support rod is fixedly connected to the height adjustment plate by a reset spring, and the support rod is connected to the gear hob positioning section by sliding.

[0010] In further embodiments, the surface of the locking clamping piece is provided with a non-slip rubber pad, and the number of locking clamping pieces is four.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The four locking clamping pieces are arranged around the outside of the gear hob positioning section, and the device is only suitable for positioning circular workpieces. The locking clamping pieces can be adjusted by the push block, the gear hob positioning section is expanded outward, the position of the workpiece is positioned, the support pad of the locking clamping piece can be increased by the push block, the stress is more uniform, the firmness of the workpiece positioning is increased, the positioning method is more reliable compared with the clamping method, the workpiece is not easy to slide during processing, the workpiece processing is more stable, the accuracy of the workpiece processing is ensured, the workpiece replacement speed is also accelerated, and the operation is easier. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structure schematic view of a gear hobbing positioning tool of the utility model;

[0014] Figure 2 It is a side view of the gear hob positioning section of the utility model;

[0015] Figure 3 It is a reset structure schematic view of the locking clamping piece of the utility model;

[0016] Figure 4 It is a tightening structure schematic view of the locking clamping piece of the utility model;

[0017] Figure 5 It is a sectional structure schematic view of a gear hobbing positioning tool of the utility model;

[0018] Figure 6The structure diagram of the locking clamping piece of the utility model;

[0019] Figure 7 The lifting structure diagram of the jacking transition block of the utility model;

[0020] Figure 8 The front view of the maintenance cover.

[0021] In the drawing: 1, maintenance cover; 2, hobbing positioning section; 3, limit adjusting hoop; 4, hobbing processing positioning clamp; 5, conical reinforcing seat; 6, mounting plate; 7, locking clamping piece; 8, guide column; 9, reset sliding block; 10, height adjusting plate; 11, positioning telescopic piece; 12, jacking transition block; 13, partition; 14, electric telescopic rod; 15, mounting bolt; 16, antiskid rubber pad; 17, bracing rod; 18, reset spring; 19, recess; 20, positioning telescopic mouth; 21, long fixing screw. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly 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.

[0023] Please refer to Figures 1-8The utility model provides a kind of embodiment: a hobbing machining positioning tool, including hobbing machining positioning fixture 4, the middle part position of hobbing machining positioning fixture 4 is equipped with hobbing positioning section 2, the middle position of the outside of hobbing positioning section 2 is equipped with recess 19, the inside of recess 19 is equipped with locking clamp piece 7, locking clamp piece 7 is connected with height adjusting plate 10 by struts 17, height adjusting plate 10 is equipped in the inner wall of hobbing positioning section 2, the above of hobbing positioning section 2 is equipped with access cover 1, and access cover 1 is fixedly connected with hobbing positioning section 2 by long fixed screw 21, the below of the outside of hobbing machining positioning fixture 4 is equipped with limit adjusting hoop 3, the bottom of hobbing machining positioning fixture 4 is equipped with conical reinforcing seat 5, the bottom of conical reinforcing seat 5 is equipped with mounting plate 6, the inside of mounting plate 6 is equipped with mounting bolt 15, the below of the inside of hobbing machining positioning fixture 4 is equipped with baffle 13, the below of baffle 13 is equipped with electric telescopic rod 14, the top of electric telescopic rod 14 is connected with jacking displacement block 12, jacking displacement block 12 is equipped in the above of baffle 13, the top of jacking displacement block 12 is equipped with reset sliding block 9, the inside of access cover 1 is equipped with guide column 8 in central position;The position of the workpiece is positioned by hobbing positioning section 2, locking clamp piece 7 is hidden installation by recess 19, the size of hobbing positioning section 2 is increased by locking clamp piece 7, the workpiece is positioned, the balance of locking clamp piece 7 is increased by height adjusting plate 10, the top of hobbing machining positioning fixture 4 is opened by access cover 1, it is convenient to overhaul inside, the position of the workpiece is positioned by limit adjusting hoop 3, the stability of bottom is increased by conical reinforcing seat 5, hobbing machining positioning fixture 4 is installed and fixed on equipment by mounting plate 6, electric telescopic rod 14 is installed and fixed by baffle 13, jacking displacement block 12 is adjusted by electric telescopic rod 14, height adjusting plate 10 is adjusted by jacking displacement block 12, the position of height adjusting plate 10 is limited by reset sliding block 9, the position of reset sliding block 9 is guided and positioned by guide column 8.

[0024] The shape of jacking displacement block 12 is conical structure, and jacking displacement block 12 is connected by welding with reset sliding block 9, the jacking displacement block 12 can be made into a slope by conical structure, and height adjusting plate 10 is slowly raised from low to high;Reset sliding block 9 is connected by sliding with guide column 8, and the shape of reset sliding block 9 is spherical structure, and reset sliding block 9 is adjusted by sliding.

[0025] The two sides of the height adjusting plate 10 are slidably connected with the gear hobbing positioning section 2 through the positioning elastic sheet 11 and the positioning elastic opening 20, the positioning elastic sheet 11 is connected with the height adjusting plate 10 in a trapezoidal structure, and the positioning elastic sheet 11 is used for positioning the position of the height adjusting plate 10; the lower end of the supporting rod 17 is fixedly connected with the height adjusting plate 10 through the reset spring 18, and the supporting rod 17 is slidably connected with the gear hobbing positioning section 2, and the reset spring 18 is used for assisting the height adjusting plate 10 to return to the original position.

[0026] The surface of the locking clamping piece 7 is provided with the anti-skid rubber pad 16, and the number of the locking clamping piece 7 is four, and the anti-skid rubber pad 16 is used for increasing the anti-skid property of the surface of the locking clamping piece 7, so that the workpiece positioning is more firm.

[0027] Working principle: in use, according to the size of the workpiece, the mounting plate 6 is fixed on the equipment at the required position through the mounting bolt 15, so that the gear hobbing positioning clamp 4 is installed and fixed, the limiting adjusting hoop 3 is adjusted downward or upward to the required height, the circular workpiece is inserted at the gear hobbing positioning section 2, the jacking displacement block 12 is moved through the electric telescopic rod 14, the jacking displacement block 12 is embedded with the height adjusting plate 10, at the same time, the height adjusting plate 10 is lifted upward, the locking clamping piece 7 is expanded outward, the inner wall of the workpiece is supported and fixed, the workpiece is suspended and positioned, and the gear hobbing processing can be carried out.

[0028] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A hobbing positioning tool comprising a hobbing positioning fixture (4), characterized in that: The middle part of the hobbing machining positioning fixture (4) is provided with a hobbing positioning section (2), the outer middle part of the hobbing positioning section (2) is provided with a groove (19), the inner part of the groove (19) is provided with a locking clamp (7), the locking clamp (7) is connected with a height adjusting plate (10) through a supporting rod (17), the height adjusting plate (10) is arranged on the inner wall of the hobbing positioning section (2), an inspection cover (1) is arranged above the hobbing positioning section (2), and the inspection cover (1) and the hobbing positioning section (2) are fixedly connected through long fixing screws (21), the lower part of the outer part of the hobbing machining positioning fixture (4) is provided with a limiting adjusting hoop (3), the bottom of the hobbing machining positioning fixture (4) is provided with a conical reinforcing seat (5), the bottom of the conical reinforcing seat (5) is provided with a mounting plate (6), the inner part of the mounting plate (6) is provided with a mounting bolt (15), the lower part of the inner part of the hobbing machining positioning fixture (4) is provided with a partition plate (13), the lower part of the partition plate (13) is provided with an electric telescopic rod (14), the top end of the electric telescopic rod (14) is connected with a jacking displacement block (12), the jacking displacement block (12) is arranged above the partition plate (13), the top end of the jacking displacement block (12) is provided with a reset sliding block (9), and the central part of the inner part of the inspection cover (1) is provided with a guide column (8).

2. The hobbing positioning tooling apparatus of claim 1, wherein: The outer shape of the jacking displacement block (12) is a conical structure, and the jacking displacement block (12) and the reset sliding block (9) are connected through welding.

3. The hobbing positioning tooling of claim 1, wherein: The reset sliding block (9) and the guide column (8) are connected through sliding, and the outer shape of the reset sliding block (9) is a spherical structure.

4. The hobbing positioning fixture of claim 1, wherein: The two sides of the height adjusting plate (10) and the hobbing positioning section (2) are connected through a positioning telescopic piece (11) and a positioning telescopic opening (20) in sliding mode, and the positioning telescopic piece (11) and the height adjusting plate (10) are connected in a trapezoidal structure.

5. The hobbing positioning tooling of claim 1, wherein: The lower end of the supporting rod (17) and the height adjusting plate (10) are fixedly connected through a reset spring (18), and the supporting rod (17) and the hobbing positioning section (2) are connected through sliding.

6. The hobbing positioning fixture of claim 1, wherein: The surface of the locking clamp (7) is provided with an antiskid rubber pad (16), and the number of the locking clamp (7) is four.

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