CN211727775U

CN211727775U - Clamping device for gear machining for power takeoff

Info

Publication number: CN211727775U
Application number: CN202020190608.6U
Authority: CN
Inventors: 王振华; 张元江
Original assignee: Hubei Yachuan Automobile Gear Group Co ltd
Current assignee: Hubei Yachuan Automobile Gear Group Co ltd
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-10-23
Anticipated expiration: 2030-02-21

Abstract

The utility model discloses a power takeoff is with clamping device for gear machining in gear machining field, including the gear, the gear is including tooth's socket and central logical groove, the logical inslot portion in center is provided with fixed establishment, fixed establishment is including spliced pole and elasticity skin, elasticity skin is fixed at spliced pole lateral wall center, spliced pole top center and bottom center have been seted up respectively and have been connected screw and lower connection screw, on connect the inside threaded connection of screw and have connecting screw, the connecting screw top is fixed with the connection pad, connection pad top center is fixed with connecting bearing, the external power equipment of connecting bearing, connect the inside threaded connection of screw and have adjusting screw down, the adjusting screw surface is provided with the fastening dish, fastening dish top center is seted up with adjusting screw complex screw, fastening dish top edge fixation has the elasticity isolating ring.

Description

Clamping device for gear machining for power takeoff

Technical Field

The utility model relates to a power takeoff uses the gear machining field, specifically is a power takeoff uses clamping device for gear machining.

Background

The power takeoff is a group or groups of speed-changing gears, also called power output devices, generally composed of a gear box, a clutch and a controller, and is connected with the output shaft of the low-gear or auxiliary box of the gear box to output power to an external working device, the gear is an important component of the power takeoff, the gear is a mechanical element with teeth on the rim, can be continuously engaged to transmit motion and power, and is a toothed mechanical part capable of being engaged with each other. At the end of the 19 th century, the principle of generating a gear cutting method and the successive appearance of a special machine tool and a cutter for cutting the gear by using the principle are considered, along with the development of production, the stability of gear operation is emphasized, a main body is generally required to be clamped during production and processing, then processing operations of other structures are carried out, the plane of a gear structure is abraded during the clamping process, the processing precision of the gear structure is influenced, and the gear structure becomes an unqualified defective product seriously.

At present, chinese patent with application number CN201821979272.0 discloses a gear machining positioning clamping device, including cylindrical main part assembly fixed connection base, the upper end of main part assembly fixed connection base is equipped with the cylindrical stable supporting connection pad that distributes with one heart, the upper end of stable supporting connection pad is equipped with three circumference evenly distributed's removal centre gripping journal angle, the center outside position that removes the centre gripping journal angle is equipped with convex structure, the upper end that removes the centre gripping journal angle is equipped with integrated into one piece's cylindrical stable spliced pole, the lower extreme that removes the centre gripping journal angle is equipped with integrated into one piece's cylindrical removal direction spliced pole. When the device is used, the wear to the device is less in the sliding clamping process, the service life of the device and the clamping stability of the device in the using process can be effectively prolonged, and the safety of the gear structure in the production and processing process is improved. However, when the device is used for clamping the power takeoff gear in production and processing, corresponding assembly holes need to be arranged on the gear, and the gear is inconvenient to machine and produce. Based on this, the utility model designs a power takeoff is clamping device for gear machining.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power takeoff is clamping device for gear machining to the needs that provide in solving above-mentioned background set up corresponding pilot hole on the gear, the problem of the processing production of the gear of being not convenient for.

In order to achieve the above object, the utility model provides a following technical scheme:

a clamping device for machining a gear for a power takeoff comprises a gear, wherein the gear comprises a tooth groove and a central through groove, a fixing mechanism is arranged in the central through groove and comprises a connecting column and an elastic outer layer, the elastic outer layer is fixed at the center of the side wall of the connecting column, the center of the top end and the center of the bottom end of the connecting column are respectively provided with an upper connecting screw hole and a lower connecting screw hole, the inner part of the upper connecting screw hole is connected with a connecting screw rod in a threaded manner, the top end of the connecting screw rod is fixed with a connecting disc, a connecting bearing is fixed at the center of the top end of the connecting disc, the connecting bearing is externally connected with power equipment, an adjusting screw rod is connected with the inner part of the lower connecting screw hole in a threaded manner, the surface of the adjusting screw rod is provided with a fastening disc, the center of the top end of the fastening disc is provided with a screw hole matched with the adjusting screw rod, and the edge of the top end of the fastening disc is fixed with an elastic isolating ring.

Preferably, the diameter of the connecting column is smaller than that of the central through groove, the outer diameter of the elastic outer layer is larger than that of the central through groove when the elastic outer layer is not deformed, and the outer surface of the elastic outer layer is a friction surface.

Preferably, the depth of the upper connecting screw hole is less than half of the length of the connecting column, the length of the connecting screw hole is greater than the depth of the upper connecting screw hole, and the horizontal plane where the top end of the connecting screw is located is higher than the horizontal plane where the top end of the gear is located.

Preferably, the depth of the lower connecting screw hole is less than half of the length of the connecting column, the length of the adjusting screw is greater than that of the lower connecting screw hole, and the horizontal plane of the bottom end of the adjusting screw is lower than that of the bottom end of the gear.

Preferably, the diameter of the fastening disc is larger than that of the central through groove, and the radius of the fastening disc is smaller than the minimum vertical distance from the tooth groove to the center of the gear.

Preferably, the outer diameter of the elastic isolating ring is equal to the diameter of the fastening disc, and the inner diameter of the elastic isolating ring is equal to or larger than the diameter of the central through groove.

Compared with the prior art, the beneficial effects of the utility model are that: the connecting column is fixed in the central same groove by arranging the connecting column, the elastic outer layer, the lower connecting screw hole, the adjusting screw rod, the fastening disc and the elastic isolating ring under the elastic extrusion action of the elastic outer layer, the adjusting screw rod is fixed by the matching of the adjusting screw rod and the lower connecting screw hole, the fastening disc is driven to be close to the gear by the thread matching of the fastening disc and the adjusting screw rod, the gear is fastened and fixed by the elastic isolating ring, and meanwhile, the surface of the gear cannot be damaged; through connecting screw, connection pad and connection bearing on setting up, can external power equipment rotates the device wholly, the production of the gear of being convenient for.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only examples of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the top view structure of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-gear, 2-tooth space, 3-central through groove, 4-connecting column, 5-elastic outer layer, 6-upper connecting screw hole, 7-lower connecting screw hole, 8-connecting screw rod, 9-connecting disc, 10-connecting bearing, 11-adjusting screw rod, 12-fastening disc, 13-screw hole and 14-elastic isolating ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the examples of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

as shown in fig. 1, fig. 2 and fig. 3, a clamping device is used in gear machining for power takeoff, including gear 1, gear 1 is including tooth's socket 2 and the logical groove 3 of center, the logical inslot of 3 is led to in the center is provided with fixed establishment, fixed establishment is including spliced pole 4 and elasticity skin 5, the diameter of spliced pole 4 is less than the diameter that the logical groove 3 of center, the external diameter when elasticity skin 5 does not take place to deform is greater than the diameter that the logical groove 3 of center, elasticity skin 5 surface is the friction surface, elasticity skin 5 is fixed at spliced pole 4 lateral wall center, spliced pole 4 top center and bottom center have seted up upper connection screw 6 respectively and have connected screw 7 down, the degree of depth of upper connection screw 6 is less than half of spliced pole 4 length, the degree of depth of lower connection screw 7 is less than half of spliced pole 4 length, the internal thread of upper connection screw 6 has connecting screw 8, connecting screw 8's length is greater than the degree of depth of The horizontal plane of end department, connecting screw 8 top is fixed with connection pad 9, connecting pad 9 top center is fixed with connection bearing 10, external power equipment of connection bearing 10, connect 7 internal thread of screw hole and be connected with adjusting screw 11 down, adjusting screw 11's length is greater than the degree of depth of connecting screw hole 7 down, adjusting screw 11 bottom department horizontal plane is less than gear 1 bottom department horizontal plane, adjusting screw 11 surface is provided with fastening disk 12, the diameter of fastening disk 12 is greater than the diameter that the groove 3 led to in the center, the radius of fastening disk 12 is less than the minimum vertical distance of tooth's socket 2 to gear 1 center, fastening disk 12 top center is seted up with adjusting screw 11 complex screw 13, fastening disk 12 top edge is fixed with elastic spacer ring 14, elastic spacer ring 14's outer diameter equals the diameter of fastening disk 12, elastic spacer ring 14's inner diameter equals or is greater than the diameter that the groove 3 led to in the.

One specific application of this embodiment is: put into logical groove 3 center in center with fixed establishment, utilize the elasticity extrusion effect of elasticity skin 5, fix connecting piece 4 in logical groove 3 in the center, utilize the screw-thread fit of connecting screw 7 and adjusting screw 11 down, with adjusting screw 11 screw-thread fixation under in connecting screw 7, then the screw-thread fit through fastening disc 12 and adjusting screw 11, rotate fastening disc 12 and make elastic isolation ring 14 tightly touch gear 1, fix gear 1, connect screw 6 on utilizing at last, install connecting screw 8 in spliced pole 4 top, utilize connecting bearing 10 external power equipment, be convenient for gear 1's production and processing.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a power takeoff is clamping device for gear machining, includes gear (1), its characterized in that: the gear (1) comprises a tooth socket (2) and a central through groove (3), a fixing mechanism is arranged in the central through groove (3), the fixing mechanism comprises a connecting column (4) and an elastic outer layer (5), the elastic outer layer (5) is fixed at the center of the side wall of the connecting column (4), an upper connecting screw hole (6) and a lower connecting screw hole (7) are respectively formed in the center of the top end and the center of the bottom end of the connecting column (4), a connecting screw rod (8) is connected to the inner portion of the upper connecting screw hole (6) in a threaded manner, a connecting disc (9) is fixed at the top end of the connecting screw rod (8), a connecting bearing (10) is fixed at the center of the top end of the connecting disc (9), the connecting bearing (10) is externally connected with power equipment, an adjusting screw rod (11) is connected to the inner portion of the lower connecting, screw holes (13) matched with the adjusting screws (11) are formed in the centers of the top ends of the fastening discs (12), and elastic isolating rings (14) are fixed on the edges of the top ends of the fastening discs (12).

2. The clamping device for gear processing of the power take-off according to claim 1, wherein: the diameter of the connecting column (4) is smaller than that of the central through groove (3), the outer diameter of the elastic outer layer (5) when not deformed is larger than that of the central through groove (3), and the outer surface of the elastic outer layer (5) is a friction surface.

3. The clamping device for gear processing of the power take-off according to claim 1, wherein: the depth of the upper connecting screw hole (6) is less than half of the length of the connecting column (4), and the length of the connecting screw rod (8) is greater than the depth of the upper connecting screw hole (6) and the horizontal plane where the top end of the connecting screw rod (8) is located is higher than the horizontal plane where the top end of the gear (1) is located.

4. The clamping device for gear processing of the power take-off according to claim 1, wherein: the depth of the lower connecting screw hole (7) is less than half of the length of the connecting column (4), the length of the adjusting screw rod (11) is greater than the depth of the lower connecting screw hole (7), and the horizontal plane where the bottom end of the adjusting screw rod (11) is located is lower than the horizontal plane where the bottom end of the gear (1) is located.

5. The clamping device for gear processing of the power take-off according to claim 1, wherein: the diameter of the fastening disc (12) is larger than that of the central through groove (3), and the radius of the fastening disc (12) is smaller than the minimum vertical distance from the tooth groove (2) to the center of the gear (1).

6. The clamping device for gear processing of the power take-off according to claim 1, wherein: the outer diameter of the elastic isolating ring (14) is equal to the diameter of the fastening disc (12), and the inner diameter of the elastic isolating ring (14) is equal to or larger than the diameter of the central through groove (3).