CN113547176B

CN113547176B - Gear shaping clamp for gear machining

Info

Publication number: CN113547176B
Application number: CN202110806145.0A
Authority: CN
Inventors: 黄廷波; 周智慧; 龚仁春; 李旭东; 张宏祥; 李俊华
Original assignee: Jiangsu Airship Gear Corp
Current assignee: Jiangsu Airship Gear Corp
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-06-03
Anticipated expiration: 2041-07-16
Also published as: CN113547176A

Abstract

The invention relates to a gear shaping clamp for gear machining, which comprises a base, wherein a plurality of supports are fixedly arranged below the base; a plurality of clamping mechanisms are arranged above the base, the clamping mechanisms are distributed on the upper surface of the base at equal intervals, a collecting mechanism is arranged on the outer side of the base, and a propping mechanism is further arranged on one side of each clamping mechanism, which is far away from the center of the base; the clamping mechanism can reduce the time and labor amount for repeatedly clamping the gear by manpower, improves the gear processing efficiency, can adapt to gears with different inner diameter specifications by matching with the used abutting mechanism, always keeps the abutting state, reduces the looseness of the gear, can cut and cool the gear in the gear shaping process continuously in time by the collecting mechanism arranged on the outer side, collects a large amount of scraps and waste liquid, further reduces the labor amount for manual cleaning, is simple and light, has high automation degree, only needs to move upwards when being disassembled, and is convenient and quick.

Description

Gear shaping clamp for gear machining

Technical Field

The invention relates to the technical field of gear machining, in particular to a gear shaping clamp for gear machining.

Background

With the development of society and the improvement of the industrial level in China, gear manufacturing methods are gradually popularized, and one of the two methods is gear shaping. The other is gear hobbing; the gear shaping processing is to process internal and external gears or racks and the like into gear shaping according to a generating method or a forming method, and the gear shaping can process a straight gear and a helical gear; hobbing can process both straight gears and helical gears, and is more efficient than gear shaping, but less accurate than gear shaping.

In the process of gear shaping processing, gears waiting for processing need to be clamped, clamping gears in the prior art are clamped by matching of a clamping fixture and a pressing plate, the clamp is complex in structure and high in installation difficulty, and an operator is high in repeated clamping labor intensity, so that the working efficiency is low.

In order to solve the problems, the invention provides a gear shaping clamp for gear machining.

Disclosure of Invention

(1) Technical problem to be solved

The invention aims to overcome the defects of the prior art, adapt to practical needs and provide a gear shaping clamp for gear machining so as to solve the technical problems.

(2) Technical scheme

In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:

a gear shaping clamp for gear machining comprises a base, wherein a plurality of supports are fixedly arranged below the base; the base top is provided with a plurality of fixture, and fixture equidistance distributes on the upper surface of base, the outside of base is provided with collects the mechanism, fixture deviates from one side at base center still is provided with and supports tight mechanism.

Further, fixture includes the slide, the slide sets up on the base upper surface, be provided with support, electric telescopic handle, articulated shaft and splint on the slide, the support is fixed to be set up on the slide upper surface, and one side of slide upper surface sets up electric telescopic handle, electric telescopic handle's base fixed connection is on the slide, and articulated shaft swing joint is passed through on electric telescopic handle's top in the one end of splint, and the top swing joint of articulated shaft and support is passed through at the middle part of splint.

Further, be provided with the spout on the base upper surface, the slide is slidable mounting respectively in the spout that corresponds, and connects through the biax cylinder between two relative slides, the bottom surface fixed mounting in biax cylinder middle part is in base center department.

Further, support tight mechanism and include the stopper, one side that the support deviates from electric telescopic handle is provided with the stopper, one side that the stopper is towards the gear internal surface is provided with a plurality of slots that the equidistance distributes, sliding connection has the inserted bar in the slot, be connected through the installation spring between inserted bar and the slot diapire, the intermediate position department of stopper inlays and is equipped with the ball.

Further, collect mechanism and include collecting vat, loading board, permanent magnetism piece one, permanent magnetism piece two, stainless steel spring and L type groove, the outside cover of base is equipped with the collecting vat, the bottom of collecting vat bears through the loading board that is provided with, and the loading board is fixed to be set up on the support of base lower surface, and the base is provided with L type groove towards one side of collecting vat, stainless steel spring fixed connection is being passed through to one side in L type groove up two permanent magnetism pieces, and L type groove one side outwards is fixed and is provided with the sealing washer, and one side inwards of sealing washer is provided with slidable permanent magnetism piece one, and like nature is repelled between permanent magnetism piece one and the permanent magnetism piece two.

Further, the bottom mounting in the slide outside is provided with scrapes the piece, scrapes the outside that the piece is located the spout and is provided with the sloping block.

Furthermore, sealing rings are arranged on the outer surfaces of the first permanent magnet block and the second permanent magnet block.

Furthermore, the upper end of the second permanent magnet is arranged into an arc-shaped structure.

Has the advantages that:

A. the clamping mechanism can reduce the time and labor amount for repeatedly clamping the gear by manpower, the gear processing efficiency is improved, meanwhile, the tight mechanism matched with the clamping mechanism can adapt to gears with different inner diameter specifications, the tight state is always kept, the looseness of the gear is reduced, the collection mechanism arranged on the outer side can cut and cool the gear in the gear shaping processing process continuously in time, a large amount of scraps and waste liquid are collected, the labor amount for manual cleaning is further reduced, the clamping mechanism is simple, light and high in automation degree, only needs to move upwards when being disassembled, and the gear shaping machine is convenient and fast.

B. When the gear aligning device is used, the telescopic end of the double-shaft cylinder is controlled to contract synchronously, the sliding seat returns to the central position of the base after contraction, the gear is sleeved outside the sliding seat, the synchronous outward side of the double-shaft cylinder is controlled to slowly extend, so that the sliding seat is pushed to move outwards until the bottom surface of the gear falls on the sliding seat, and then the sliding seat is continuously moved until the limiting block pushes the whole gear tightly, so that the central alignment of the gear can be automatically realized; the flexible end of simultaneous control electric telescopic handle jack-up that makes progress for splint rotate along the articulated shaft of support, and the tip bottom surface of splint supports tightly with the upper surface of gear, and it is tight to apply decurrent power to press from both sides the gear, makes things convenient for the gear shaping preparation of epilogue, only need with the gear put outside the slide can, degree of automation is high, need not the manual work and dismantles installation from top to bottom, simple and convenient and swift, the production efficiency of gear has been improved, and the slide is portable just can be suitable for the gear of different internal diameter specifications, and application scope is wide.

C. According to the invention, by arranging the abutting mechanism, when the limiting block abuts against the gears with different inner diameter specifications, the inner arc degrees of the gears are different, so that the extrusion degrees of different points on the side faces, facing the limiting block, are different, and the degrees of compressing the insertion rods are different, therefore, the arc surfaces formed by different insertion rods can always abut against the inner surface of the gear, the abutting degree with the inner surface of the gear is enhanced, the abutting effect on the gear is improved, meanwhile, the depression caused by direct impact of the limiting block and the inner surface of the gear can be relieved, and the quality of the gear is improved.

D. In the process of reciprocating movement of the sliding seat, the inclined block is driven to scrape the scraps and the waste liquid in the sliding groove, the scraping block cleans the surface of the base and pushes the base into the collecting groove on the outer side, so that the sliding seat can adapt to gears with different sizes and can clean the scraps and the waste liquid in the sliding groove, the sliding seat moves outwards and presses the permanent magnet blocks to move downwards so as to correspond to the permanent magnet blocks I, the permanent magnet blocks I are repelled, meanwhile, a sealing cavity formed in the L-shaped groove is compressed, the permanent magnet blocks I are accelerated to slide, magnetic adsorption is carried out on the collecting groove, the scraps and the waste liquid in a gap between the collecting groove and the base can be blown out by utilizing gas compression on the outer side of the permanent magnet blocks I while the auxiliary adsorption and fixation of the collecting groove is realized, and an air pipe can be arranged in the L-shaped groove and is communicated with an external air source; when the external diameter of gear is great, just can directly fall into the sweeps and the waste liquid that the processing produced to the collecting tank in, reduce manpower and materials.

Drawings

FIG. 1 is a perspective view of an embodiment of a gear shaping fixture for gear machining of the present invention;

FIG. 2 is a schematic view of the gear shaping fixture of the present invention shown in FIG. 1;

FIG. 3 is an enlarged view of part A of the gear shaping fixture for gear machining of the present invention;

FIG. 4 is a schematic structural view of the tooth shaping fixture for gear machining of the present invention illustrating the tightening mechanism of FIG. 2;

fig. 5 is a state diagram of the clamping mechanism in fig. 2 of the gear shaping clamp for gear machining according to the present invention.

The reference numbers are as follows:

1. a base; 2. a support; 3. a chute; 4. a clamping mechanism; 41. a slide base; 42. a support; 43. an electric telescopic rod; 44. hinging a shaft; 45. a splint; 46. a limiting block; 461. inserting slots; 462. inserting a rod; 463. installing a spring; 464. a ball bearing; 5. a collection mechanism; 51. collecting tank; 52. a carrier plate; 53. a first permanent magnet; 54. a second permanent magnet block; 55. a stainless steel spring; 56. a sloping block; 57. scraping a block; 58. an L-shaped groove; 6. a seal ring; 7. an air tube; 8. a gear; 9. a double-shaft cylinder.

Detailed Description

The invention will be further illustrated with reference to the following figures 1 to 5 and examples:

in the process of gear shaping processing, a gear to be processed needs to be clamped, clamping gears in the prior art are clamped by matching a clamping fixture and a pressing plate, the clamp is complex in structure and high in installation difficulty, and an operator repeatedly clamps the gear with high labor intensity, so that the work efficiency is low, and further improvement is needed.

The first embodiment;

a gear shaping clamp for gear machining comprises a base 1, wherein a plurality of supports 2 are fixedly arranged below the base 1; a plurality of clamping mechanisms 4 are arranged above the base 1, the clamping mechanisms 4 are distributed on the upper surface of the base 1 at equal intervals, a collecting mechanism 5 is arranged on the outer side of the base 1, and a pressing mechanism is further arranged on one side of each clamping mechanism 4, which is far away from the center of the base 1; according to the invention, the time and labor amount for repeatedly clamping the gear 8 by manpower can be reduced by the clamping mechanism 4, the processing efficiency of the gear 8 is improved, meanwhile, the tight mechanism matched with the use can adapt to the gears 8 with different inner diameter specifications, the tight state is always kept, the looseness of the gear 8 is reduced, the collection mechanism 5 arranged on the outer side can cut and cool the gear in the processing process of the gear shaping in time, a large amount of scraps and waste liquid are collected, the labor amount of manual cleaning is further reduced, the device is simple, light and high in automation degree, and only needs to move upwards when being disassembled, so that the device is convenient and fast.

Further, the clamping mechanism 4 comprises a sliding seat 41, the sliding seat 41 is arranged on the upper surface of the base 1, a support 42, an electric telescopic rod 43, a hinge shaft 44 and a clamping plate 45 are arranged on the sliding seat 41, the support 42 is fixedly arranged on the upper surface of the sliding seat 41, the electric telescopic rod 43 is arranged on one side of the upper surface of the sliding seat 41, the base 1 of the electric telescopic rod 43 is fixedly connected on the sliding seat 41, the top end of the electric telescopic rod 43 is movably connected to one end of the clamping plate 45 through the hinge shaft 44, and the middle part of the clamping plate 45 is movably connected to the top of the support 42 through the hinge shaft 44;

further, the upper surface of the base 1 is provided with a sliding groove 3, the sliding seats 41 are respectively slidably mounted in the corresponding sliding grooves 3, the two opposite sliding seats 41 are connected through a double-shaft cylinder 9, and the bottom surface of the middle part of the double-shaft cylinder 9 is fixedly mounted at the center of the base 1. When a gear 8 to be machined is clamped, the telescopic end of the double-shaft cylinder 9 is controlled to contract synchronously, the sliding seat 41 returns to the central position of the base 1 after contraction, the gear 8 is sleeved outside the sliding seat 41, and the double-shaft cylinder 9 is controlled to extend slowly and synchronously outwards, so that the sliding seat 41 is pushed to move outwards until the bottom surface of the gear 8 falls on the sliding seat 41, and then the sliding seat 41 is continuously moved until the limiting block 46 pushes the whole gear 8 tightly, so that the central alignment of the gear 8 can be automatically realized; simultaneously control electric telescopic handle 43's flexible end jack-up upwards for splint 45 rotates along support 42's articulated shaft 44, splint 45's tip bottom surface supports tightly with gear 8's upper surface, it is tight with gear 8 clamp to apply decurrent power, make things convenient for the gear shaping preparation of epilogue, only need with gear 8 put outside slide 41 can, degree of automation is high, it installs from top to bottom to need not the manual work to dismantle, and is simple and convenient and swift, gear 8's production efficiency has been improved, and slide 41 is portable just can be suitable for the gear 8 of different internal diameter specifications, and application scope is wide.

Example two;

the invention adds a propping mechanism on the basis of the first embodiment; the method comprises the following specific steps:

further, the abutting mechanism comprises a limiting block 46, a limiting block 46 is arranged on one side of the bracket 42 away from the electric telescopic rod 43, a plurality of slots 461 which are distributed at equal intervals are arranged on one side of the limiting block 46 facing the inner surface of the gear 8, inserting rods 462 are connected in the slots 461 in a sliding manner, the inserting rods 462 are connected with the bottom walls of the slots 461 through mounting springs 463, and balls 464 are embedded in the middle position of the limiting block 46; through setting up and supporting tight mechanism, when stopper 46 supports tightly with the gear 8 of different internal diameter specifications like this, its gear 8's interior radian is different, just it is different to the extrusion degree of difference on the side of stopper 46 orientation, thereby make the degree of compression inserted bar 462 different, consequently the cambered surface that different inserted bar 462 are constituteed can paste tight gear 8 internal surface all the time, strengthen and the laminating degree of the interior citizen of gear 8, improve the tight effect of supporting to gear 8, also can realize slowing down the depression that stopper 46 and the direct striking of gear 8 internal surface caused simultaneously, improve gear 8's quality.

Example three;

the invention adds a collecting mechanism 5 on the basis of the second embodiment; the method comprises the following specific steps:

further, the collecting mechanism 5 comprises a collecting groove 51, a bearing plate 52, a first permanent magnet 53, a second permanent magnet 54, a stainless steel spring 55 and an L-shaped groove 58, the collecting groove 51 is sleeved outside the base 1, the bottom of the collecting groove 51 is loaded through the arranged bearing plate 52, the bearing plate 52 is fixedly arranged on the support 2 on the lower surface of the base 1, the L-shaped groove 58 is arranged on one side, facing the collecting groove 51, of the base 1, the upward side of the L-shaped groove 58 is fixedly connected with the second permanent magnet 54 through the stainless steel spring 55, a sealing ring 6 is fixedly arranged on the outward side of the L-shaped groove 58, the inward side of the sealing ring 6 is provided with the first slidable permanent magnet 53, and the first permanent magnet 53 and the second permanent magnet 54 are in the same polarity and are mutually exclusive;

furthermore, a scraping block 57 is fixedly arranged at the bottom end of the outer side of the sliding seat 41, and an inclined block 56 is arranged on the scraping block 57 positioned on the outer side of the sliding chute 3; sealing rings are arranged on the outer surfaces of the first permanent magnet block 53 and the second permanent magnet block 54; the upper ends of the second permanent magnets 54 are arranged into an arc-shaped structure. Because the cutting and cooling are required to be ceaselessly performed in the gear shaping process, a large amount of scraps and waste liquid can be generated, so that more scraps and waste liquid exist on the surfaces of the sliding groove 3 and the base 1, manpower is wasted by manual cleaning, the inclined block 56 is driven to scrape the scraps and the waste liquid in the sliding groove 3 in the reciprocating movement process of the sliding seat 41, the scraping block 57 cleans the surface of the base 1 and pushes the surface of the base 1 into the collecting groove 51 on the outer side, so that the sliding seat 41 can adapt to gears 8 with different sizes and can clean the scraps and the waste liquid in the sliding groove 3, the sliding seat 41 moves towards the outer side and presses the permanent magnet II 54 to move downwards so as to correspond to the permanent magnet I53, the permanent magnet I53 is repelled, meanwhile, a sealing cavity formed in the L-shaped groove 58 is compressed, the sliding of the permanent magnet I53 is accelerated, and the magnetic adsorption of the collecting groove 51 is performed, while the auxiliary adsorption and fixation of the collecting tank 51 are realized, the gas compression outside the permanent magnet blocks I53 can be utilized to blow out the waste chips and the waste liquid in the gap between the collecting tank 51 and the base 1, and the air pipe 7 can be arranged in the L-shaped groove 58 and communicated with an external air source; when the external diameter of gear 8 is great, just can directly fall into collection groove 51 with the sweeps and the waste liquid that the processing produced, reduce manpower and materials.

The invention has the beneficial effects that:

according to the invention, the time and labor amount for repeatedly clamping the gear 8 by manpower can be reduced by the clamping mechanism 4, the processing efficiency of the gear 8 is improved, meanwhile, the tight mechanism matched with the use can adapt to the gears 8 with different inner diameter specifications, the tight state is always kept, the looseness of the gear 8 is reduced, and the collection mechanism 5 arranged on the outer side can cut and cool the gear in the processing process in time, so that a large amount of scraps and waste liquid are collected, the labor amount of manual cleaning is further reduced, the device is simple, light and high in automation degree, and only needs to move upwards when being disassembled, so that the device is convenient and fast;

when a gear 8 to be machined is clamped, the telescopic end of the double-shaft cylinder 9 is controlled to contract synchronously, the sliding seat 41 returns to the central position of the base 1 after contraction, the gear 8 is sleeved outside the sliding seat 41, and the double-shaft cylinder 9 is controlled to extend slowly and synchronously outwards, so that the sliding seat 41 is pushed to move outwards until the bottom surface of the gear 8 falls on the sliding seat 41, and then the sliding seat 41 is continuously moved until the limiting block 46 pushes the whole gear 8 tightly, so that the central alignment of the gear 8 can be automatically realized; meanwhile, the telescopic end of the electric telescopic rod 43 is controlled to be jacked upwards, so that the clamping plate 45 rotates along the hinging shaft 44 of the bracket 42, the bottom surface of the end part of the clamping plate 45 is abutted against the upper surface of the gear 8, downward force is applied to clamp the gear 8, subsequent gear shaping is convenient, the gear 8 is only required to be placed outside the sliding seat 41, the automation degree is high, manual disassembly and vertical installation are not required, the operation is simple, convenient and rapid, the production efficiency of the gear 8 is improved, the sliding seat 41 can be moved to be suitable for gears 8 with different inner diameter specifications, and the application range is wide;

by arranging the abutting mechanism, when the limiting block 46 abuts against the gears 8 with different inner diameter specifications, the inner arc degrees of the gears 8 are different, and the extrusion degrees of different points on the side faces, facing the limiting block 46, of the limiting block 46 are different, so that the degrees of compressing the insertion rods 462 are different, the arc faces formed by the different insertion rods 462 can always abut against the inner surface of the gear 8, the abutting degree with the inner surface of the gear 8 is enhanced, the abutting effect on the gear 8 is improved, meanwhile, the depression caused by direct impact between the limiting block 46 and the inner surface of the gear 8 can be relieved, and the quality of the gear 8 is improved;

meanwhile, as the cutting and cooling are required to be carried out ceaselessly in the gear shaping processing process, a large amount of scraps and waste liquid can be generated, so that more scraps and waste liquid exist on the surfaces of the sliding groove 3 and the base 1, manpower is wasted in manual cleaning, in the reciprocating movement process of the sliding seat 41, the inclined block 56 is driven to scrape the scraps and the waste liquid in the sliding groove 3, the scraping block 57 cleans the surface of the base 1 and pushes the surface of the base 1 into the collecting groove 51 at the outer side, so that the sliding seat 41 can adapt to gears 8 with different sizes and can clean the scraps and the waste liquid in the sliding groove 3, the sliding seat 41 moves outwards and presses the permanent magnet blocks two 54 to move downwards so as to correspond to the permanent magnet blocks one 53, the permanent magnet blocks one 53 are repelled, meanwhile, a sealing cavity formed in the L-shaped groove 58 is compressed, the permanent magnet blocks one 53 are accelerated to slide, and the collecting groove 51 is magnetically adsorbed, while the auxiliary adsorption and fixation effect on the collecting tank 51 is realized, the gas compression outside the permanent magnet block I53 can be utilized to blow out the waste scraps and waste liquid at the gap between the collecting tank 51 and the base 1, and the air pipe 7 can be arranged in the L-shaped groove 58 and communicated with an external air source; when the external diameter of gear 8 is great, just can directly fall into collection groove 51 with the sweeps and the waste liquid that the processing produced, reduce manpower and materials.

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.

Claims

1. A gear shaping clamp for gear machining comprises a base (1), wherein a plurality of supports (2) are fixedly arranged below the base (1); the device is characterized in that a plurality of clamping mechanisms (4) are arranged above the base (1), the clamping mechanisms (4) are distributed on the upper surface of the base (1) at equal intervals, a collecting mechanism (5) is arranged on the outer side of the base (1), and a pressing mechanism is further arranged on one side, away from the center of the base (1), of each clamping mechanism (4); the collecting mechanism (5) comprises a collecting groove (51), a bearing plate (52), a first permanent magnet block (53), a second permanent magnet block (54), a stainless steel spring (55) and an L-shaped groove (58), a collecting groove (51) is sleeved on the outer side of the base (1), the bottom of the collecting groove (51) is loaded through a bearing plate (52) arranged on the base, the bearing plate (52) is fixedly arranged on a support (2) on the lower surface of the base (1), an L-shaped groove (58) is arranged on one side of the base (1) facing the collecting groove (51), one side of the L-shaped groove (58) which faces upwards is fixedly connected with a second permanent magnet (54) through a stainless steel spring (55), one side of the L-shaped groove (58) which faces outwards is fixedly provided with a sealing ring (6), one side of the sealing ring (6) which faces inwards is provided with a first slidable permanent magnet (53), and the first permanent magnet (53) and the second permanent magnet (54) repel each other in the same polarity.

2. The gear shaping jig for gear processing according to claim 1, wherein: fixture (4) include slide (41), slide (41) set up on base (1) upper surface, be provided with support (42), electric telescopic handle (43), articulated shaft (44) and splint (45) on slide (41), support (42) are fixed to be set up on slide (41) upper surface, and one side of slide (41) upper surface sets up electric telescopic handle (43), the bottom fixed connection of electric telescopic handle (43) is on slide (41), and articulated shaft (44) swing joint is passed through on the top of electric telescopic handle (43) in the one end of splint (45), and articulated shaft (44) and the top swing joint of support (42) are passed through at the middle part of splint (45).

3. The gear shaping jig for gear processing according to claim 2, wherein: be provided with spout (3) on base (1) upper surface, slide (41) slidable mounting respectively is in corresponding spout (3), and connects through biax cylinder (9) between two relative slides (41), the bottom surface fixed mounting at biax cylinder (9) middle part is in base (1) center department.

4. The gear shaping jig for gear processing according to claim 2 or 3, wherein: the tight mechanism that supports includes stopper (46), one side that support (42) deviates from electric telescopic handle (43) is provided with stopper (46), one side that stopper (46) are faced away from gear (8) internal surface is provided with a plurality of slots (461) that the equidistance distributes, sliding connection has inserted bar (462) in slot (461), be connected through installation spring (463) between inserted bar (462) and the slot (461) diapire, the intermediate position department of stopper (46) inlays and is equipped with ball (464).

5. The gear shaping jig for gear processing according to claim 2, wherein: the bottom end outside the sliding seat (41) is fixedly provided with a scraping block (57), and the outer side of the scraping block (57) located on the sliding groove (3) is provided with an inclined block (56).

6. The gear shaping jig for gear processing according to claim 1, wherein: and sealing rings are arranged on the outer surfaces of the first permanent magnet block (53) and the second permanent magnet block (54).

7. The gear shaping jig for gear processing according to claim 6, wherein: the upper end of the second permanent magnet block (54) is arranged into an arc-shaped structure.