CN217513004U

CN217513004U - Auxiliary tool for machining gear of gearbox

Info

Publication number: CN217513004U
Application number: CN202221123881.2U
Authority: CN
Inventors: 姚洪林; 吴正东
Original assignee: Zibo Geer Gear Co ltd
Current assignee: Zibo Geer Gear Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-09-30
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a gearbox gear machining auxiliary fixtures, which belongs to the technical field of gearbox gears, and aims at the problems that the gearbox gear machining auxiliary fixtures are fixed in machining only through three-jaw chuck clamping, and easily generate flexural deformation and shake; the utility model discloses a drive the outer peripheral face position department that the gear was fixed to the pulley centre gripping under the effect of the resilience force of spring to play the reinforcing action to the gear, make its week survey no longer be in unsettled setting, and then avoid appearing the gear and appear the deflection easily, the condition of rocking takes place, thereby guarantees the precision of gear machining.

Description

Auxiliary tool for machining gear of gearbox

Technical Field

The utility model belongs to the technical field of the gearbox gear, concretely relates to gearbox gear machining auxiliary fixtures.

Background

The gear is a mechanical element with a rim provided with gears which are continuously meshed to transmit motion and power, a certain number of gears need to be arranged in the gearbox, the gears need to be machined before being installed, and the gears are fixed by corresponding auxiliary tools during machining, so that a user can conveniently machine the gears.

Gearbox gear machining auxiliary fixtures among the prior art passes through the central axis position of three-jaw chuck centre gripping gear intermediate position department to make and ensure before the processing operation that the gear is in fixed state, nevertheless because there is certain size difference between the gear, at the in-process of in-service use, have following problem:

when the gear of great diameter is fixed to needs, only fix through the intermediate position department to the gear, make the week of its both sides be unsettled setting, at the in-process of processing, the gear deflection appears easily, and the condition of rocking takes place to influence the precision of processing, be unfavorable for the use.

Therefore, a gearbox gear machining auxiliary tool is needed, and the problem that the gearbox gear machining auxiliary tool is easy to flex and deform and shake when being clamped and fixed in machining only through a three-jaw chuck in the prior art is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gearbox gear machining auxiliary fixtures to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a gearbox gear machining auxiliary tool comprises a tool base, wherein a driving motor is installed on one side of the tool base, a three-jaw chuck body is arranged on one side of the driving motor, an output end of the driving motor penetrates through the tool base and is fixed to the surface of the three-jaw chuck body, a moving seat is arranged on one side of the three-jaw chuck body, through grooves are formed in two ends of the surface of the moving seat in a penetrating mode, an embedded shaft is fixed inside the through grooves, a sliding sleeve is movably sleeved on the outer peripheral surface of the embedded shaft, a spring is arranged at one end, away from each other, of the two sliding sleeves, a second connecting shaft is movably connected to the bottom of the sliding sleeve, a movable shaft is movably connected to the middle position of the bottom of the moving seat, a sleeve seat is fixedly sleeved on the outer peripheral surface of the movable shaft, first connecting shafts are movably connected to the surfaces of two sides of the sleeve seat, connecting rods are arranged at the middle positions of the first connecting shaft and the second connecting shaft at the corresponding position, the surface at sliding sleeve top is fixed with the holder, two the one end that the holder is close to each other is fixed with the mounting bracket, the intermediate position department of mounting bracket rotates and is connected with the pulley.

In the scheme, a bolt is inserted into the surface of one side of the moving seat, one side of the bolt extends to the middle position of the moving seat, the top of the movable shaft extends to the middle position of the moving seat, and a fixing groove is formed in the peripheral surface of the movable shaft, which is positioned in the inner cavity of the moving seat.

It is worth further saying that there are multiple groups of the fixed grooves, the multiple groups of the fixed grooves are uniformly distributed on the outer peripheral surface of the movable shaft at the position of the inner cavity of the motion seat, and one end of the bolt extends to the inside of the fixed groove at the corresponding position.

It should be further noted that two clamping plates are fixed at two ends of the tool base, and connecting strips are fixed at two ends of the bottom of the moving seat and are arranged in an L shape.

It should be further noted that a limiting rod is inserted through the surface of the connecting strip, and two sides of the limiting rod are fixed to the surface of the clamping plate at the corresponding position.

As a preferred embodiment, one end of the spring is fixed to the inner cavity surface of the through groove at the corresponding position, and the other end of the spring is fixed to the surface of the sliding sleeve at the corresponding position.

As a preferred embodiment, the inner cavity of the through groove is T-shaped, and the sliding sleeve is T-shaped.

Compared with the prior art, the utility model provides a pair of gearbox gear machining auxiliary fixtures includes following beneficial effect at least:

(1) through rotating the loose axle, thereby make the cover seat be circular motion, and then make the connecting rod take place the angular variation, thereby make its length at the horizontal direction change, and then make the sliding sleeve slide along the outer peripheral face that corresponds the embedded axle in position, thereby make the spring take place deformation, after arranging the gear in the intermediate position department that corresponds two pulleys in position, loosen behind the loose axle, drive the outer peripheral face position department that the pulley centre gripping was fixed the gear under the effect of the resilience force of spring, thereby play the reinforcing action to the gear, make its week survey no longer in unsettled setting, and then avoid appearing the gear deflection deformation easily, the condition of rocking takes place, thereby guarantee the precision of gear machining, thereby the practicality of the device has been improved.

(2) The resilience force through the spring drives the pulley and holds the all sides back of gear to the direction motion that is close to each other, pass the inside that the motion seat extends to corresponding position fixed slot through reaching son's bolt, thereby play the reinforcing effect to the loose axle, thereby the fixed centre gripping effect of pulley has been improved, thereby stability when the gear is fixed has been improved, and connection and the limiting displacement of gag lever post to the connecting strip movement track through the connecting strip, thereby make the motion seat can follow the horizontal direction motion, thereby can adjust the position of pulley centre gripping gear, when through three-jaw chuck body fixed gear, can move the motion seat to one side, avoid disturbing the user to pass through driving motor fixed gear, thereby the device's use convenience has been improved, thereby the device's practicality has been improved.

Drawings

FIG. 1 is a schematic perspective view of the overall structure of the present invention;

fig. 2 is a structural schematic view of the local structure of the present invention in the bottom view direction;

fig. 3 is a schematic sectional view of the partial structure of the present invention in the front view direction;

fig. 4 is a schematic sectional view of the local structure of the present invention in the top view direction;

fig. 5 is an enlarged schematic view of the structure at a in fig. 4 according to the present invention;

in the figure: 1. a tooling base; 2. a three-jaw chuck body; 3. a drive motor; 4. a splint; 5. a limiting rod; 6. a connecting strip; 7. a motion base; 8. a through groove; 9. a holder; 10. a mounting frame; 11. a pulley; 12. a movable shaft; 13. a sleeve seat; 14. a first connecting shaft; 15. an embedded shaft; 16. a sliding sleeve; 17. a second connecting shaft; 18. a connecting rod; 19. a spring; 20. a fixing groove; 21. and (4) a bolt.

Detailed Description

The present invention will be further described with reference to the following examples.

In order to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, the following will combine the drawings of the embodiments of the present invention to clearly and completely describe the technical scheme of the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, and based on the described embodiments of the present invention, all other embodiments obtained by the ordinary skilled person in the art on the premise of not needing creative work all belong to the scope of protection of the present invention.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-5, the utility model provides a gearbox gear machining auxiliary tool, which comprises a tool base 1, a driving motor 3 is installed on one side of the tool base 1, a three-jaw chuck body 2 is arranged on one side of the driving motor 3, the output end of the driving motor 3 passes through the tool base 1 and is fixed with the surface of the three-jaw chuck body 2, a moving seat 7 is arranged on one side of the three-jaw chuck body 2, through grooves 8 are formed in both ends of the surface of the moving seat 7, an embedded shaft 15 is fixed in each through groove 8, a sliding sleeve 16 is movably sleeved on the outer peripheral surface of each embedded shaft 15, a spring 19 is arranged at one end of each sliding sleeve 16, the bottom of each sliding sleeve 16 is movably connected with a second connecting shaft 17, a moving shaft 12 is movably connected at the middle position of the bottom surface of the moving seat 7, a sleeve seat 13 is fixedly sleeved on the outer peripheral surface of each moving shaft 12, first connecting shafts 14 are movably connected on the surfaces of both sides of the sleeve seat 13, a connecting rod 18 is arranged at the middle position between the first connecting shaft 14 and the second connecting shaft 17 at the corresponding position, a clamping seat 9 is fixed on the surface of the top of the sliding sleeve 16, a mounting frame 10 is fixed at one end of the two clamping seats 9 close to each other, a pulley 11 is rotatably connected at the middle position of the mounting frame 10, the movable shaft 12 is enabled to do circular motion by rotating the movable shaft 12, and then the sleeve seat 13 is enabled to do circular motion, so that the connecting rod 18 generates angular change under the acting force generated in the process that the sleeve seat 13 does circular motion, and the length of the connecting rod 18 in the horizontal direction is enabled to change, so that the sliding sleeve 16 can move in the direction away from each other and further conflict with the spring 19 at the corresponding position, so that the spring 19 is deformed, and after the gear is fixed at the middle position of the driving motor 3 through the three-jaw chuck body 2, the gear is arranged at the middle position of the two pulleys 11 at the corresponding position, the movable shaft 12 is loosened, so that the clamping seat 9 drives the pulley 11 to clamp and fix the two ends of the peripheral side of the gear under the action of the resilience force of the spring 19, the gear is reinforced, and the condition that the gear is scratched and shaken during gear processing is avoided.

As further shown in fig. 2, 4 and 5, it is worth concretely explaining that a bolt 21 is inserted into a surface of one side of the motion base 7, one side of the bolt 21 extends to a middle position of the motion base 7, a top of the movable shaft 12 extends to a middle position of the motion base 7, a plurality of sets of fixing grooves 20 are formed on an outer circumferential surface of the movable shaft 12 at a position of an inner cavity of the motion base 7, the plurality of sets of fixing grooves 20 are uniformly distributed on the outer circumferential surface of the movable shaft 12 at the position of the inner cavity of the motion base 7, one end of the bolt 21 extends to an inner portion of the fixing groove 20 at a corresponding position, when the movable shaft 12 performs a circular motion, the movable shaft 12 drives the fixing grooves 20 to perform a circular motion, so that the movable shaft 12 drives the corresponding fixing grooves 20 to move to a position close to the bolt 21, and extends the bolt 21 to a deep portion of the inner cavity of the fixing grooves 20, so that the movable shaft 12 can be in a fixed state, thereby, a fixing function is achieved, so that the pulley 11 can be in a fixed state when clamping the gear periphery side, and the clamping and fixing effect of the pulley 11 is ensured.

Further as shown in fig. 1, it is worth specifically explaining that clamping plates 4 are fixed at two ends of the tool base 1, connecting strips 6 are fixed at two ends of the bottom of the moving seat 7, the connecting strips 6 are arranged in an L shape, a limiting rod 5 is inserted into the surface of each connecting strip 6 in a penetrating manner, two sides of each limiting rod 5 are fixed to the surface of the corresponding position clamping plate 4, and the connecting strips 6 can slide on the outer peripheral surface of the corresponding position limiting rod 5, so that the moving track of the connecting strips 6 is limited to a certain extent, the connecting strips 6 can slide in the horizontal direction, due to the connection relationship between the connecting strips 6 and the moving seat 7, the moving seat 7 can be changed in position in the horizontal direction, the clamping and fixing range of the pulley 11 is controlled, and when the pulley needs to be fixed through the three-jaw chuck body 2, the moving seat 7 can be moved aside, avoiding interfering with the user to fix the gear through the three-jaw chuck body 2.

The scheme has the following working processes: when the gear needs to be fixed, firstly, when the gear is fixed, the moving seat 7 is pushed in the direction far away from the three-jaw chuck body 2, the moving seat 7 is limited by the limiting motion track of the limiting rod 5 and the connecting strip 6, so that the connecting strip 6 is driven to slide along the outer peripheral surface of the limiting rod 5 in the horizontal direction, and then the moving seat 7 moves in the horizontal direction, so that the moving seat 7 moves aside, the gear is prevented from being fixed by a user through the three-jaw chuck body 2, after the gear is fixed through the three-jaw chuck body 2, the movable shaft 12 makes circular motion by rotating the movable shaft 12, and then the sleeve seat 13 makes circular motion, because the second connecting shaft 17 and the first connecting shaft 14 are movably connected with the sleeve seat 13 through the sliding sleeve 16 at the corresponding position, and the connecting rod 18 is movably connected at the middle position of the second connecting shaft 17 and the first connecting shaft 14 at the corresponding position, thereby the length of the connecting rod 18 in the horizontal direction changes, thereby the acting force of the angle change drives the sliding sleeve 16 to move towards the direction far away from each other, thereby the sliding sleeve collides with the spring 19 at the corresponding position, thereby the spring 19 deforms, further the two clamping bases 9 move towards the direction far away from each other, thereby the distance between the pulleys 11 changes, and the moving base 7 is pushed towards the three-jaw chuck body 2, thereby the gear is arranged at the middle position of the two pulleys 11, by loosening the movable shaft 12, under the effect of the resilience force of the spring 19, the sliding sleeve 16 can move towards the direction close to each other, thereby the clamping bases 9 move towards the direction close to each other, thereby the pulley 11 is driven to move towards the direction close to each other, thereby the pulley 11 can clamp and fix the two ends of the peripheral side of the gear, by extending the bolt 21 to the inside of the fixing groove 20 at the corresponding position, thereby make loose axle 12 be in fixed state to ensure the fixed effect of pulley 11 centre gripping, through opening driving motor 3, thereby make three-jaw chuck body 2 do circular motion, thereby drive the gear and do circular motion, thereby convenient to use person's processing operation.

According to the working process, the following steps are known: the two ends of the peripheral side of the gear are clamped by the pulley 11, so that when a gear with a larger diameter is processed, the stability of the gear during the fixing is improved, the gear processing operation is avoided, the deflection deformation and the shaking easily occurring in the gear processing operation are avoided, the gear processing precision is ensured, the motion seat 7 can move along the horizontal direction through the connection relation of the motion seat 7 through the connecting strip 6 and the connecting strip 6 sliding along the peripheral surface of the limiting rod 5, so that the position of the pulley 11 for clamping the gear can be adjusted, when the gear is fixed by the three-jaw chuck body 2, the motion seat 7 can be moved aside, the interference of a user for fixing the gear through the driving motor 3 is avoided, the use convenience of the device is improved, and when the pulley 11 clamps the two ends of the peripheral side of the fixed gear, extend bolt 21 to the inside of fixed slot 20 to make loose axle 12 be in the fixed state, and then make more stable that pulley 11 can the centre gripping, thereby improved the fixed centre gripping effect of pulley 11, thereby improved the stability when the gear is fixed.

Further as shown in fig. 2, it is worth specifically explaining that one end of the spring 19 is fixed to the inner cavity surface of the through groove 8 at the corresponding position, the other end of the spring 19 is fixed to the surface of the sliding sleeve 16 at the corresponding position, and the connecting relationship of the spring 19 enables the sliding sleeve 16 to directly abut against the spring 19 at the corresponding position when moving in the direction away from each other, so that the spring 19 can be fully deformed, the sliding sleeve 16 can have a certain acting force moving in the direction close to each other, and the clamping and fixing effect of the pulley 11 is ensured.

Further as shown in fig. 2, it is worth specifically explaining that the inner cavity of the through groove 8 is in a T-shaped configuration, the sliding sleeve 16 is in a T-shaped configuration, and the through groove 8 and the sliding sleeve 16 are in a T-shaped configuration, so that the contact area between the inner cavity of the through groove 8 and the surface of the sliding sleeve 16 is increased, and the collision limiting effect of the inner cavity of the through groove 8 on the sliding sleeve 16 is increased, and the holder 9 can move towards the direction away from or close to each other.

The driving motor 3 is commercially available, and the driving motor 3 is provided with a power supply, which belongs to the mature technology in the field and is fully disclosed, so repeated description in the specification is omitted.

Unless defined otherwise, technical or scientific terms used herein should be understood as commonly understood by one of ordinary skill in the art, and the use of the terms "comprising" or "including" and the like in the present invention is intended to mean that elements or items listed before the term encompass elements or items listed after the term and their equivalents, without excluding other elements or items, that "connected" or "connected" and the like are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect, that "up", "down", "left", "right", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The auxiliary tool for machining the gear of the gearbox comprises a tool base (1) and is characterized in that a driving motor (3) is installed on one side of the tool base (1), a three-jaw chuck body (2) is arranged on one side of the driving motor (3), the output end of the driving motor (3) penetrates through the tool base (1) and is fixed to the surface of the three-jaw chuck body (2), a moving seat (7) is arranged on one side of the three-jaw chuck body (2), through grooves (8) are formed in two ends of the surface of the moving seat (7) in a penetrating mode, embedded shafts (15) are fixed inside the through grooves (8), sliding sleeves (16) are movably sleeved on the outer peripheral surfaces of the embedded shafts (15), springs (19) are arranged at one ends, far away from each other, of the sliding sleeves (16), and a second connecting shaft (17) is movably connected to the bottoms of the sliding sleeves (16), the utility model discloses a moving seat, including motion seat (7), intermediate position department swing joint on surface bottom have loose axle (12), the fixed cover in outer peripheral face of loose axle (12) is equipped with cover seat (13), the surface swing joint of cover seat (13) both sides has first connecting axle (14), first connecting axle (14) are provided with connecting rod (18) with the intermediate position department that corresponds position second connecting axle (17), the fixed surface at sliding sleeve (16) top has holder (9), two the one end that holder (9) are close to each other is fixed with mounting bracket (10), the intermediate position department of mounting bracket (10) rotates and is connected with pulley (11).

2. The gearbox gear machining auxiliary assembly of claim 1, characterized in that: the surface of motion seat (7) one side is inserted and is equipped with bolt (21), the intermediate position department of motion seat (7) is extended to one side of bolt (21), the intermediate position department of motion seat (7) is extended to the top of loose axle (12), fixed slot (20) have been seted up to the outer peripheral face that loose axle (12) are located motion seat (7) inner chamber position department.

3. The gearbox gear machining auxiliary assembly of claim 2, characterized in that: the fixing grooves (20) are provided with a plurality of groups, the fixing grooves (20) are evenly distributed on the outer peripheral surface of the inner cavity of the moving seat (7) with the moving shaft (12), and one end of the bolt (21) extends to the inside of the fixing groove (20) at the corresponding position.

4. The gearbox gear machining auxiliary assembly of claim 1, characterized in that: two clamping plates (4) are fixed at two ends of the tool base (1), connecting strips (6) are fixed at two ends of the bottom of the moving seat (7), and the connecting strips (6) are arranged in an L shape.

5. The gearbox gear machining auxiliary assembly of claim 4, characterized in that: the surface of the connecting strip (6) is inserted with a limiting rod (5) in a penetrating manner, and two sides of the limiting rod (5) are fixed with the surface of the clamping plate (4) at the corresponding position.

6. The gearbox gear machining auxiliary assembly of claim 1, characterized in that: one end of the spring (19) is fixed with the inner cavity surface of the through groove (8) at the corresponding position, and the other end of the spring (19) is fixed with the surface of the sliding sleeve (16) at the corresponding position.

7. The gearbox gear machining auxiliary assembly of claim 1, characterized in that: the inner cavity of the through groove (8) is T-shaped, and the sliding sleeve (16) is T-shaped.