CN213970631U

CN213970631U - Grinding clamp for output shaft

Info

Publication number: CN213970631U
Application number: CN202022926198.XU
Authority: CN
Inventors: 木孟良; 方旭; 杨晨; 朱雪龙; 常琳琳
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-08-17
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a grinding fixture for an output shaft, the grinding fixture comprises a base, a supporting seat is fixed at the end part of the base, a plurality of chuck mechanisms are arranged on the supporting seat, a push plate is arranged on the base in a sliding way, and a plurality of ejector tips which are in one-to-one correspondence with the chuck mechanisms are fixed on the push plate; the chuck mechanism comprises a rotating shaft which is rotatably arranged on the supporting seat, belt wheels are coaxially fixed at one end of the rotating shaft, a chuck is coaxially fixed at the other end of the rotating shaft, a clamping assembly is arranged on the chuck, one end of an output shaft is fixed on the chuck through the clamping assembly, the other end of the output shaft is abutted against the top point, and the belt wheels are connected through a belt; the problem of present output shaft grinding machine anchor clamps can only process a axle mostly, when mass production, consuming time and wasting power, inefficiency is solved.

Description

Grinding clamp for output shaft

Technical Field

The utility model relates to a machining field specifically relates to a grinding anchor clamps for output shaft.

Background

The output shaft is required to be used in a plurality of mechanical devices at present, the requirements on the surface roughness of different stepped surfaces of the output shaft are different, the required roughness can be achieved on the surface of the output shaft through grinding by a grinding machine, but most of the existing output shaft grinding machine fixtures can only process one shaft, and the output shaft grinding machine fixtures consume time and labor and are low in efficiency during mass production.

Therefore, a grinding anchor clamps that can fix a position locking to many output shafts simultaneously, the grinding of convenient follow-up concentrated grinding is provided the utility model discloses the problem that needs solve urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a grinding anchor clamps for output shaft has solved most can only process a root axis of present output shaft grinding machine anchor clamps, and when mass production, the labour consuming time, the problem of inefficiency.

In order to achieve the purpose, the utility model provides a grinding fixture for an output shaft, which comprises a base, wherein a supporting seat is fixed at the end part of the base, a plurality of chuck mechanisms are arranged on the supporting seat, a push plate is also arranged on the base in a sliding way, and a plurality of ejector tips which are in one-to-one correspondence with the chuck mechanisms are fixed on the push plate;

chuck mechanism is including rotationally setting up pivot on the supporting seat, the one end coaxial fixation of pivot has the band pulley, and the other end coaxial fixation has the chuck, be provided with clamping component on the chuck, the one end of output shaft is passed through clamping component and is fixed on the chuck, the other end with the apex point is inconsistent, and is a plurality of be connected through the belt between the band pulley.

Preferably, the clamping assembly comprises a sliding groove formed in the surface of the chuck, a screw hole communicated with the sliding groove is formed in the side surface of the chuck, a sliding block is clamped in the sliding groove in a sliding mode, at least part of the sliding block extends to the outside of the sliding groove and is connected with a clamping block, a screw rod is twisted in the screw hole, and the screw rod can be rotated to push the sliding block to move along the radial direction of the chuck.

Preferably, the number of the clamping assemblies is not less than 3, and a plurality of groups of the clamping assemblies are distributed at equal angles along the circumferential direction of the chuck.

Preferably, the clamping block is wrapped with a rubber sleeve.

Preferably, the surface of the chuck is recessed inwards to form a circular clamping groove, and one end of the output shaft is at least partially clamped in the circular clamping groove.

Preferably, a bearing is fixed on the support seat, and the rotating shaft is at least partially rotatably clamped in the bearing.

Preferably, the circumferential surface of the belt wheel is provided with a tooth groove structure, and the inner side surface of the belt is provided with a rack structure matched with the tooth groove structure.

Preferably, a driving motor is fixed on the base, and an output shaft of the driving motor is coaxially connected with one of the pulleys.

Preferably, the two opposite ends of the base are respectively provided with a slide rail groove, the two sides of the push plate are respectively fixed with a sliding part, and at least part of the sliding part is slidably clamped in the slide rail groove.

Preferably, the sliding member is twisted with a locking rod, and the locking rod can be twisted to at least partially extend into the slide rail groove so as to prevent the sliding member from displacing.

According to the technical scheme, the utility model provides a grinding fixture for output shaft, the grinding fixture includes the base, the tip of base is fixed with the supporting seat, be provided with a plurality of chuck mechanisms on the supporting seat, still be provided with the push pedal on the base slidably, be fixed with a plurality of apex heads with the chuck mechanism one-to-one corresponds on the push pedal; the chuck mechanism comprises a rotating shaft which is rotatably arranged on the supporting seat, belt wheels are coaxially fixed at one end of the rotating shaft, a chuck is coaxially fixed at the other end of the rotating shaft, a clamping assembly is arranged on the chuck, one end of an output shaft is fixed on the chuck through the clamping assembly, the other end of the output shaft is abutted against the top point, and the belt wheels are connected through a belt; in the machining process, one end of an output shaft to be machined is fixed on a chuck mechanism to be clamped, the position of a push plate is adjusted to enable a tip end to be abutted against the other end of the output shaft, and a belt wheel and a belt are utilized to drive a plurality of chuck mechanisms to synchronously rotate, so that the output shaft can be conveniently and subsequently ground; the utility model provides a grinding fixture can fix a position tight to many output shafts simultaneously, and when mass production, labour saving and time saving is efficient.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a structural diagram of a grinding jig provided by the present invention;

fig. 2 is a structural diagram of a chuck mechanism in the grinding jig provided by the present invention;

fig. 3 is a top view of a chuck mechanism in a grinding jig provided by the present invention;

fig. 4 is a side view of the chuck mechanism in the grinding jig provided by the present invention.

Description of the reference numerals

1-base 2-support base

3-chuck 4-apex

5-push plate 6-slide rail groove

7-sliding part 31-bearing

32-pulley 33-shaft

34-circular clamping groove 35-clamping block

36-slide block 37-screw rod

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

As shown in fig. 1-4: the utility model provides a grinding fixture for output shaft, which is characterized in that the grinding fixture comprises a base 1, a supporting seat 2 is fixed at the end of the base 1, a plurality of chuck mechanisms are arranged on the supporting seat 2, a push plate 5 is arranged on the base 1 in a sliding way, and a plurality of ejector tips 4 corresponding to the chuck mechanisms one by one are fixed on the push plate 5; chuck mechanism is including rotationally setting up pivot 33 on the supporting seat 2, the one end coaxial fixation of pivot 33 has band pulley 32, and the other end coaxial fixation has chuck 3, be provided with clamping component on the chuck 3, the one end of output shaft is passed through clamping component and is fixed chuck 3 is last, the other end with apex 4 is inconsistent, and is a plurality of be connected through the belt between the band pulley 32. In the machining process, one end of an output shaft to be machined is fixed on a chuck mechanism to be clamped, the position of a push plate is adjusted to enable a tip end to be abutted against the other end of the output shaft, and a belt wheel and a belt are utilized to drive a plurality of chuck mechanisms to synchronously rotate, so that the output shaft can be conveniently and subsequently ground; the utility model provides a grinding fixture can fix a position tight to many output shafts simultaneously, and when mass production, labour saving and time saving is efficient.

In a preferred embodiment of the present invention, in order to effectively clamp one end of the output shaft, the clamping assembly includes a sliding groove formed on the surface of the chuck 3, a screw hole communicated with the sliding groove is formed in the side surface of the chuck 3, a slider 36 is slidably engaged with the sliding groove, the slider 36 extends at least partially to the outside of the sliding groove and is connected with a clamping block 35, a screw 37 is twisted in the screw hole, and the screw 37 is rotated to push the slider 36 to move along the radial direction of the chuck 3.

The utility model discloses an in an preferred embodiment, in order to press from both sides the one end of output shaft effectively tightly, 3 groups, multiunit are no less than to clamping assembly's quantity clamping assembly follows angular distribution such as the circumferencial direction of chuck 3.

In a preferred embodiment of the present invention, in order to avoid the indentation caused to the surface of the output shaft in the clamping process, the clamping block 35 is wrapped with a rubber sleeve.

In a preferred embodiment of the present invention, in order to quickly align the output shaft and the chuck, the surface of the chuck 3 is recessed inward to form a circular groove 34, and one end of the output shaft is at least partially engaged with the circular groove 34.

In a preferred embodiment of the present invention, in order to enable the rotation shaft to rotate smoothly, a bearing 31 is fixed on the supporting seat 2, and the rotating shaft 33 is at least partially rotatably engaged in the bearing 31.

In a preferred embodiment of the present invention, in order to avoid slipping between the belt wheel and the belt, the circumferential surface of the belt wheel 32 is provided with a tooth space structure, and the inner side surface of the belt is provided with a rack structure matched with the tooth space structure.

The utility model discloses an in the preferred embodiment, rotate in order to drive a plurality of pivots simultaneously, be fixed with driving motor on the base 1, driving motor's output shaft is with a plurality of a coaxial coupling in the band pulley 32.

The utility model discloses an in the preferred embodiment, for the position of convenient adjustment push pedal for the apex can be inconsistent with the tip of output shaft, relative both ends are provided with slide rail groove 6 respectively in the base 1, the both sides of push pedal 5 are fixed with glide 7 respectively, glide 7 is in at least part slidable block in the slide rail groove 6.

In a preferred embodiment of the present invention, in order to avoid the offset of the push plate during the operation, the sliding member 7 is twisted with a locking rod, and the locking rod can extend at least partially into the sliding rail groove 6 to prevent the displacement of the sliding member 7.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. The grinding fixture for the output shaft is characterized by comprising a base (1), wherein a supporting seat (2) is fixed at the end of the base (1), a plurality of chuck mechanisms are arranged on the supporting seat (2), a pushing plate (5) is further arranged on the base (1) in a sliding mode, and a plurality of ejector tips (4) which correspond to the chuck mechanisms one by one are fixed on the pushing plate (5);

chuck mechanism is including rotationally setting up pivot (33) on supporting seat (2), the one end coaxial fixation of pivot (33) has band pulley (32), and the other end coaxial fixation has chuck (3), be provided with clamping component on chuck (3), the one end of output shaft is passed through clamping component and is fixed on chuck (3), the other end with apex point (4) are inconsistent, and are a plurality of be connected through the belt between band pulley (32).

2. The grinding jig according to claim 1, characterized in that the clamping assembly comprises a sliding groove arranged on the surface of the chuck (3), a screw hole communicated with the sliding groove is arranged on the side surface of the chuck (3), a sliding block (36) is clamped in the sliding groove in a sliding way, the sliding block (36) at least partially extends to the outside of the sliding groove and is connected with a clamping block (35), a screw rod (37) is twisted in the screw hole, and the screw rod (37) can be rotated to push the sliding block (36) to move along the radial direction of the chuck (3).

3. The grinding jig of claim 2, characterized in that the number of the clamping assemblies is not less than 3 groups, and a plurality of groups of the clamping assemblies are equiangularly distributed along the circumferential direction of the chuck (3).

4. The grinding jig of claim 2 wherein the clamping block (35) is wrapped with a rubber sleeve.

5. The grinding jig of claim 2 wherein the surface of the chuck (3) is recessed inwardly to form a circular slot (34) and one end of the output shaft is at least partially captured within the circular slot (34).

6. A grinding jig according to claim 1 wherein a bearing (31) is fixed to the support (2) and the shaft (33) is at least partially rotatably engaged in the bearing (31).

7. A grinding jig according to claim 1 wherein the circumferential surface of the pulley (32) is provided with a spline structure and the inner side of the belt is provided with a rack structure cooperating with the spline structure.

8. A grinding jig according to claim 1 wherein a drive motor is fixed to the base (1), the output shaft of the drive motor being coaxially connected to one of the pulleys (32).

9. The grinding fixture according to claim 1, characterized in that the base (1) is provided with a slide rail groove (6) at each of two opposite ends, a sliding member (7) is fixed to each of two sides of the push plate (5), and the sliding member (7) is at least partially slidably engaged in the slide rail groove (6).

10. A grinding jig according to claim 9 wherein the glide (7) has a locking lever twisted thereon, the locking lever being twistable so that it extends at least partially into the rail groove (6) to prevent displacement of the glide (7).