CN211681636U

CN211681636U - Workpiece fastening device of shot blasting machine

Info

Publication number: CN211681636U
Application number: CN201922446788.XU
Authority: CN
Inventors: 常杰; 郭敬滨; 詹广; 王蒙
Original assignee: Sanhe Huaxia Hengtai Electronic Technology Co ltd
Current assignee: Sanhe Huaxia Hengtai Electronic Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-16
Anticipated expiration: 2029-12-30

Abstract

The utility model provides a workpiece fastening device of shot blasting machine rotatably installs on the shot blasting machine for the fastening has the work piece in shaft hole, in order to carry out the peening surface treatment to the work piece. The workpiece fastening device comprises a rotating column and an arc-shaped supporting plate. A supporting boss is formed at the middle lower part of the rotary column; and a containing ring groove is arranged above the bearing boss and on the circumferential surface of the rotating column. The arc-shaped supporting plates are distributed on the axis of the ring rotating column and are arranged in the containing ring groove in a pivoting mode; each rotary column can swing to the outside of the containing ring groove due to the rotating centrifugal action of the workpiece fastening device, and can be supported in the shaft hole of the workpiece sleeved on the rotary column, so that the workpiece is fastened on the workpiece fastening device. The utility model discloses a workpiece fastening device of shot-blasting machine is applicable to the quick fastening and the dismantlement of the work piece that has the shaft hole on the device, does benefit to the efficiency promotion of peening surface treatment process.

Description

Workpiece fastening device of shot blasting machine

Technical Field

The utility model relates to a shot-blasting machine equipment manufacture technical field, in particular to workpiece fastening device of shot-blasting machine.

Background

The shot blasting machine utilizes the impact of shot flow moving at high speed on the metal surface to generate plastic cycle on the surface, thereby causing favorable change of the microstructure of the layer; and the surface layer introduces a residual compressive stress field, so that the reliability and the durability of the part are improved.

Most numerical control workpiece fastening device for shot-blasting machine that exists on the existing market all uses the charging tray, and traditional workpiece fastening device's work piece fixed operation is very troublesome, relates to operation content such as the fastening dismantlement of bolt, and the fixed of inconvenient work piece also is inconvenient to be taken off, influences work efficiency, and the operation is wasted time and energy.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a workpiece fastening device of peening machine is applicable to the quick fastening and the dismantlement of the work piece that has the shaft hole on the device to do benefit to the efficiency promotion of peening surface treatment process.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a workpiece fastening device of a shot blasting machine is rotatably arranged on the shot blasting machine and is used for fastening a workpiece with a shaft hole so as to perform shot blasting surface treatment on the workpiece; the workpiece fastening device includes:

the middle lower part of the rotating column is provided with a bearing boss; a containing ring groove is formed in the peripheral surface of the rotating column above the bearing boss;

the arc supporting plates are distributed on the axis of the rotating column and are arranged in the containing ring groove in a pivoting mode; each rotary column can swing to the outside of the receiving ring groove due to the rotating centrifugal action of the workpiece fastening device, and can be supported in the shaft hole of the workpiece sleeved on the rotary column, so that the workpiece is fastened on the workpiece fastening device.

Furthermore, the arc fagging is the ring six that the axis clearance equipartition.

Furthermore, the outer surface of the arc-shaped supporting plate is provided with densely distributed grooves.

Further, the arc-shaped supporting plate is hinged in the accommodating ring groove through a pivot shaft arranged parallel to the axis.

Furthermore, the workpiece fastening device also comprises a bearing plate which is sleeved on the arc-shaped supporting plate and positioned between the bearing boss and the arc-shaped supporting plate, and the workpiece is borne on the bearing plate; a spring is arranged between the bearing tray and the bearing boss, and the upper part of the bearing tray is provided with a wedge-shaped upper edge; the lower end of each arc supporting plate is configured into a wedge-shaped end part by matching with the wedge-shaped upper edge; under the action of the spring, the bearing tray rises to accommodate the arc-shaped supporting plates in the accommodating ring grooves; when the workpiece is placed on the bearing tray and the bearing tray is pressed downwards, the wedge-shaped upper edge part is separated from the wedge-shaped end part, so that a space for outwards swinging each arc-shaped supporting plate can be formed.

Furthermore, the top of arc fagging still is equipped with protruding round pin, protruding round pin with be equipped with the pendulum spring between the pivot, the pendulum spring constitutes to the elasticity that the arc fagging outwards swung is ordered about.

Furthermore, a spring bottom groove is formed in the top of the bearing boss, a spring top groove is formed in the bottom of the bearing tray, and two ends of the spring are inserted into the spring bottom groove and the spring top groove.

Furthermore, the workpiece fastening device is rotatably arranged on the shot blasting machine through a rotary bearing sleeved below the bearing boss.

Furthermore, a soft connecting sleeve is sleeved at the bottom end of the rotating column, and the soft connecting sleeve forms a rotary driving connection between an external driving device and the workpiece fastening device.

Compared with the prior art, the utility model discloses following advantage has:

(1) the workpiece fastening device of the shot blasting machine adopts the structural form of the rotary columns, so that workpieces with shaft holes can be quickly sleeved on the rotary columns of the workpiece fastening device, a plurality of rotary columns are pivoted and arranged in the accommodating ring grooves of the rotary columns, and each rotary column is swung and supported towards the outside of the accommodating ring groove under the rotating centrifugal action of the workpiece fastening device, so that the rotary columns are pressed in the shaft holes to realize fastening; when the shot blasting is completed, the workpiece fastening device stops rotating, the centrifugal action disappears, the abutting pressure disappears, and the workpiece can be conveniently taken out, so that the workpiece can be quickly fastened and detached on the device, and the efficiency of the shot blasting surface treatment process is improved.

(2) The six arc-shaped supporting plates are uniformly distributed in a surrounding manner, so that the arrangement size is convenient for design and construction; and the supporting effect of the arc-shaped supporting plate in the shaft hole is better.

(3) The groove is formed on the surface of the arc-shaped supporting plate, so that the acting force between the arc-shaped supporting plate and the inner wall of the shaft hole of the workpiece can be improved, and the fastening effect is improved.

(4) The pivot that adopts parallel arrangement installs arc fagging pivot in accomodating the annular, and the rule of each arc fagging of formation that can be fine is put outward and is rotated to promote centrifugal action and to the wobbling effect of arc fagging.

(5) The workpiece fastening device is provided with a bearing tray, and each arc-shaped supporting plate can be accommodated in the accommodating ring groove by utilizing the elastic rising and the wedge-shaped structure of the bearing tray, so that the workpieces can be conveniently sleeved on the rotary column; the bearing tray can be pressed down by the gravity of the workpiece so as to partially release the containing constraint of the bearing tray on each arc-shaped supporting plate, thereby playing the role of swinging out and supporting each arc-shaped supporting plate when the workpiece fastening device rotates.

(6) The arc supporting plate is provided with a swinging spring, so that the swinging action of the arc supporting plate can be smoothly realized.

(7) The spring between the bearing plate and the bearing boss is installed through the two annular grooves, so that the stability of the spring can be improved, and the elastic effect between the bearing plate and the bearing boss is improved.

(8) The workpiece fastening device is mounted on the shot-blasting machine through the rotary bearing, so that the rotary stability of the workpiece fastening device on the shot-blasting machine can be improved.

(9) Realize the rotary drive through soft adapter sleeve and connect, be convenient for the quick connection after work piece fastener reachs the peening station to and the connection after the peening is accomplished breaks away from and work piece fastener's aversion, thereby do benefit to the promotion of peening machine overall efficiency.

Drawings

The accompanying drawings, which form a part of the present disclosure, are provided to provide a further understanding of the present disclosure, and the exemplary embodiments and descriptions thereof are provided to explain the present disclosure, wherein the related terms in the front, back, up, down, and the like are only used to represent relative positional relationships, and do not constitute an undue limitation of the present disclosure. In the drawings:

FIG. 1 is a schematic view of the overall structure of a shot-blasting machine according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a workpiece fastening device according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a partial enlarged view of the area indicated by C in FIG. 3;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 2;

description of reference numerals:

1-rotating disk, 2-driving unit, 3-workpiece fastening device, 301-rotating column, 302-bearing boss, 303-soft connecting sleeve, 304-receiving ring groove, 305-spring bottom groove, 306-rotating bearing, 310-arc supporting plate, 311-wedge end, 312-groove, 313-protruding pin, 314-pivot, 315-swinging-out spring, 320-bearing tray, 321-wedge upper edge, 322-spring top groove, 323-spring, 4-workpiece, 5-shot blasting bin, 501-support, 502-inlet and outlet bin gate, 503-lifting cylinder, 504-connecting part and 6-shot blasting pipeline.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, terms of orientation such as left, right, up, down, and the like are used in the illustrated state for convenience of description, and should not be construed as limiting the structure of the present invention.

The embodiment relates to a workpiece fastening device of a shot blasting machine, which is suitable for quickly fastening and disassembling a workpiece with a shaft hole on the device so as to be beneficial to improving the efficiency of a shot blasting surface treatment process. The workpiece fastening device of the shot blasting machine is rotatably arranged on the shot blasting machine and is used for fastening a workpiece with a shaft hole so as to perform shot blasting surface treatment on the workpiece. The workpiece fastening device comprises a rotary column and an arc-shaped supporting plate, wherein a supporting boss is constructed at the middle lower part of the rotary column; a containing ring groove is formed in the peripheral surface of the rotating column above the bearing boss; the arc-shaped supporting plates are distributed around the axis of the rotating column and are arranged in the containing ring groove in a pivoting mode; each rotary column can swing to the outside of the receiving ring groove due to the rotating centrifugal action of the workpiece fastening device, and can be supported in the shaft hole of the workpiece sleeved on the rotary column, so that the workpiece is fastened on the workpiece fastening device.

Based on the above general structural principles, the present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.

The workpiece fastening device of the shot-blasting machine of the present embodiment is generally rotatably mounted on the shot-blasting machine, as shown in fig. 1. In the present embodiment, the blasting machine includes a rotating disk 1 having a disk shape, a driving unit 2 for driving the rotating disk 1 to rotate is provided below the rotating disk 1, a plurality of workpiece fastening devices 3 are arranged on the rotating disk 1 at intervals along the axis of the rotating disk 1, and the workpiece fastening devices 3 move in accordance with the rotation of the rotating disk 1. A shot spraying bin 5 is arranged on a certain angle station of the rotating disc 1, the shot spraying bin 5 is supported by a bracket 501, and a closed shot blasting processing space is formed by an inlet and outlet bin door 502 for the moving workpiece fastening device 3 to enter and exit and other enclosing plates. The entrance door 502 can be driven by a lifting cylinder 503, and the driving connection can be arranged on a connecting part 504 at the upper part of the entrance door 502. Meanwhile, a shot blasting pipeline 6 is arranged for the shot blasting bin 5, and the shot blasting pipeline 6 is communicated with a nozzle positioned in the shot blasting bin 5 to form shot blasting surface treatment on the workpiece 4.

As for the workpiece fastening device 3, an exemplary structure thereof is shown in fig. 2 and 3, which mainly includes a rotary column 301 and an arc-shaped stay plate 310.

Wherein, a supporting boss 302 is formed at the middle lower part of the rotary column 301; above the support boss 302, a housing ring groove 304 is formed on the circumferential surface of the rotary column 301, and the arc-shaped support plate 310 is disposed in the housing ring groove 304. The arc supporting plates 310 are arranged on the axis of the ring rotating column 301 and are pivotally arranged in the receiving ring groove 304; each rotary column 301 can swing to the outside of the receiving ring groove 304 due to the rotating centrifugal action of the workpiece fastening device 3, and can be supported in the shaft hole of the workpiece 4 sleeved on the rotary column 301, so as to fasten the workpiece 4 on the workpiece fastening device 3.

The number of the arc supporting plates 310 can be flexibly set, and preferably, the arc supporting plates 310 are six, and the ring axis gaps are uniformly distributed. The uniform circular arrangement of the six arc-shaped supporting plates 310 can facilitate the size of the arrangement to design and construct; and the supporting effect of the arc-shaped supporting plate 310 in the shaft hole is better. Meanwhile, in order to increase the force between the arc supporting plate 310 and the inner wall of the shaft hole of the workpiece 4, dense grooves 312 may be formed on the outer surface of the arc supporting plate 310.

To facilitate rotational oscillation of the arc-shaped support plate 310, as shown in fig. 4 and in conjunction with fig. 5, the arc-shaped support plate 310 may be pivotally mounted in the receiving groove 304 via a pivot shaft 314 disposed parallel to the axis. The arc-shaped supporting plates 310 are pivoted and arranged in the accommodating ring grooves 304 by adopting the pivot shafts 314 which are arranged in parallel, so that the regular outward swinging rotation of each arc-shaped supporting plate 310 can be well formed, and the swinging effect of the centrifugal action on the arc-shaped supporting plates 310 is improved.

To further improve the use of the workpiece fastening device 3, as shown in fig. 3 to 5, a support tray 320 may also be provided for the workpiece fastening device 3. The bearing plate 320 is sleeved on the arc-shaped supporting plate 310 and is positioned between the bearing boss 302 and the arc-shaped supporting plate 310, and the workpiece is borne on the bearing plate 320; a spring 323 is arranged between the supporting tray 320 and the supporting boss 302, and the upper part of the supporting tray 320 is provided with a wedge-shaped upper edge 321. The lower end of each arc-shaped strut plate 310 is configured as a wedge-shaped end 311 in cooperation with a wedge-shaped upper edge 321; under the action of the spring 323, the supporting tray 320 is lifted to receive the arc supporting plates 310 in the receiving ring grooves 304; when the workpiece 4 is placed on the supporting tray 320 and the supporting tray 320 is pressed down, the wedge-shaped upper edge 321 is partially separated from the wedge-shaped end 311, and a space for each arc-shaped supporting plate 310 to swing outwards can be formed. The workpiece fastening device 3 is provided with a bearing tray 320, and the arc-shaped supporting plates 310 can be accommodated in the accommodating ring grooves 304 by utilizing the elastic rising and wedge-shaped structures of the bearing tray 320, so that the workpieces 4 can be conveniently sleeved on the rotary column 301; the support tray 320 is pressed down by the gravity of the workpiece 4 to partially release the constraint of the support tray 320 on the arc-shaped support plates 310, thereby playing a role of swinging out and supporting the arc-shaped support plates 310 when the workpiece fastening device 3 rotates.

Obviously, for the smooth fitting of the support tray 320, the top dimension of the rotary column 301 can be adjusted corresponding to the inner diameter dimension of the support tray 320, or a split structure is adopted, and after the support tray 320 is fitted, the split part at the top of the rotary column 301 is installed.

In order to ensure that the swinging-out action of the arc-shaped supporting plate 310 can be smoothly realized, a protruding pin 313 can be further arranged at the top end of the arc-shaped supporting plate 310, a swinging-out spring 315 is arranged between the protruding pin 313 and the pivot 314, and the swinging-out spring 315 constitutes an elastic force urging the arc-shaped supporting plate 310 to swing out.

In addition, in order to improve the elastic force effect between the supporting tray 320 and the supporting boss 302, in this embodiment, the supporting boss 302 has a spring bottom slot 305 on the top, a spring top slot 322 on the bottom of the supporting tray 320, and two ends of the spring 323 are inserted into the spring bottom slot 305 and the spring top slot 322. The spring 323 between the retainer plate 320 and the retainer boss 302 is installed through two annular grooves, which can improve the stability of the spring 323.

There are various options for mounting the workpiece fastening device 3 on the shot-blasting machine, and in this embodiment, the workpiece fastening device 3 is preferably rotatably mounted on the shot-blasting machine via a rotary bearing 306 that is fitted under the retainer boss 302. The rotational stability of the workpiece fastening device 3 on the shot-blasting machine can be improved by mounting the workpiece fastening device 3 on the shot-blasting machine by means of the rotational bearing 306. Meanwhile, a soft connecting sleeve 303 can be sleeved at the bottom end of the rotating column 301, and the soft connecting sleeve 303 is used for forming a rotary driving connection between an external driving device and the workpiece fastening device 3. The rotary driving connection is realized through the soft connecting sleeve 303, so that the workpiece fastening device 3 can be quickly connected after reaching a shot blasting station, and the connection after shot blasting is finished can be separated from the workpiece fastening device 3 to shift, and the improvement of the overall efficiency of the shot blasting machine can be facilitated.

The workpiece fastening device of the shot-blasting machine in the embodiment adopts the structural form of the rotary columns 301, so that the workpiece 4 with the shaft hole can be quickly sleeved on the rotary columns 301 of the workpiece fastening device 3, a plurality of rotary columns 301 are pivoted and arranged in the accommodating ring grooves 304 of the rotary columns 301, and each rotary column 301 swings and is supported towards the outside of the accommodating ring groove 304 by virtue of the rotating centrifugal action of the workpiece fastening device 3, so as to be pressed in the shaft hole to realize fastening; when the shot blasting is completed, the workpiece fastening device 3 stops rotating, the centrifugal action disappears, the abutting pressure disappears, and the workpiece 4 can be conveniently taken out, so that the workpiece 4 can be quickly fastened and detached on the device, and the efficiency of the shot blasting surface treatment process is improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A workpiece fastening device of a shot-blasting machine is rotatably arranged on the shot-blasting machine and is used for fastening a workpiece (4) with a shaft hole so as to perform shot-blasting surface treatment on the workpiece (4); characterized in that said workpiece fastening device (3) comprises:

a rotating column (301), wherein a supporting boss (302) is formed at the middle lower part of the rotating column (301); a containing ring groove (304) is arranged above the bearing boss (302) and on the circumferential surface of the rotating column (301);

a plurality of arc-shaped supporting plates (310) are arranged around the axis of the rotating column (301) and are pivotally arranged in the receiving ring groove (304); each rotary column (301) can swing to the outside of the receiving ring groove (304) due to the rotating centrifugal action of the workpiece fastening device (3), and can be supported in a shaft hole of a workpiece (4) sleeved on the rotary column (301), so that the workpiece (4) is fastened on the workpiece fastening device (3).

2. The workpiece fastening device for a shot-blasting machine as set forth in claim 1, wherein: the arc-shaped supporting plates (310) are six and are uniformly distributed around the axis.

3. The workpiece fastening device for a shot-blasting machine as set forth in claim 1, wherein: the outer surface of the arc-shaped supporting plate (310) is provided with densely distributed grooves (312).

4. The workpiece fastening device for the shot-blasting machine as set forth in any one of claims 1 to 3, wherein: the arc-shaped supporting plate (310) is hinged in the receiving ring groove (304) through a pivot shaft (314) arranged parallel to the axis.

5. The workpiece fastening device for a shot-blasting machine as set forth in claim 4, wherein: the workpiece fastening device (3) further comprises a bearing plate (320) sleeved on the arc-shaped supporting plate (310) and positioned between the bearing boss (302) and the arc-shaped supporting plate (310), and the workpiece is borne on the bearing plate (320); a spring (323) is arranged between the bearing tray (320) and the bearing boss (302), and the upper part of the bearing tray (320) is provided with a wedge-shaped upper edge (321); the lower end of each arc-shaped supporting plate (310) is configured into a wedge-shaped end part (311) by matching with the wedge-shaped upper edge (321); under the action of the spring (323), the bearing tray (320) is lifted to receive each arc-shaped supporting plate (310) in the receiving ring groove (304); when the workpiece (4) is placed on the bearing tray (320) and the bearing tray (320) is pressed downwards, the wedge-shaped upper edge (321) is partially separated from the wedge-shaped end part (311), so that a space for the arc-shaped supporting plates (310) to swing outwards can be formed.

6. The workpiece fastening device for a shot-blasting machine as set forth in claim 5, wherein: the top of arc fagging (310) still is equipped with protruding round pin (313), protruding round pin (313) with be equipped with between pivot (314) and put out spring (315), it constitutes to put out spring (315) to the outside elasticity of pendulum out of arc fagging (310) is urged.

7. The workpiece fastening device for the shot-blasting machine as set forth in claim 6, wherein: the spring bottom groove (305) is formed in the top of the bearing boss (302), the spring top groove (322) is formed in the bottom of the bearing tray (320), and two ends of the spring (323) are inserted into the spring bottom groove (305) and the spring top groove (322).

8. The workpiece fastening device for a shot-blasting machine as set forth in claim 7, wherein: the workpiece fastening device (3) is rotatably arranged on the shot blasting machine through a rotary bearing (306) sleeved below the bearing boss (302).

9. The workpiece fastening device for a shot-blasting machine as set forth in claim 8, wherein: the bottom end of the rotating column (301) is sleeved with a soft connecting sleeve (303), and the soft connecting sleeve (303) forms a rotary driving connection between an external driving device and the workpiece fastening device (3).