CN215281477U - Workpiece spindle for rotary part shape grinding machine - Google Patents

Abstract

The utility model discloses a gyration part appearance is spare main shaft for grinding machine, including lag, axis body, stopper and inside backup pad, the one end of axis body is provided with the spindle nose, and the other end of axis body is provided with the mounting groove, the drive shaft has been inserted to the inside of mounting groove, the central position department cover in the axis body outside is equipped with the lag, and evenly passes through fixed staple bolt fixed connection between lag and the axis body, one side that fixed staple bolt is close to the lag all is provided with the rubber gasket, and the even coating in the outside of lag has wear-resistant coating. The utility model discloses an install axis body, drive shaft, mounting groove, operation chamber, depression bar, reset spring, fixed block, transfer line, stopper and spacing groove for the operation depression bar makes it produce the extrusion to reset spring, makes the one end of transfer line move down, and the other end of transfer line shifts up under the cooperation of fixed block, drives the stopper and breaks away from the spacing inslot, does benefit to being connected between axis body and the drive shaft and fixes.

Description

Workpiece spindle for rotary part shape grinding machine

Technical Field

The utility model relates to a main shaft technical field specifically is a rotating part appearance is workpiece spindle for grinding machine.

Background

The shape grinding machine is a machine tool for grinding the surface of a workpiece by using a grinding tool, and is usually used for processing a rotary part, a main shaft is one of main components of the shape grinding machine and mainly drives the workpiece or a cutter to rotate, and the performance of the main shaft component is an important factor for determining the processing quality and the grinding efficiency of the rotary part.

Most simple structure of current work piece main shaft, the function singleness exists inconveniently when being connected with the drive shaft, and the installation is comparatively loaded down with trivial details with the dismantlement, and the structural strength of axis body is lower moreover, and easy fracture is damaged, does not possess outside protective structure yet, receives external extrusion and collides easy damage, and wear resistance is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a workpiece spindle for rotating part appearance grinding machine to solve the problem that the proposition is unfavorable for carrying out fixed connection, does not possess protective structure and life is shorter with the drive shaft among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gyration part appearance is spare main shaft for grinding machine, includes lag, axis body, stopper and inside backup pad, the one end of axis body is provided with the spindle nose, and the other end of axis body is provided with the mounting groove, the drive shaft has been inserted to the inside of mounting groove, the central position department cover in the axis body outside is equipped with the lag, and evenly through fixed staple bolt fixed connection between lag and the axis body, one side that fixed staple bolt is close to the lag all is provided with the rubber gasket, and the outside of lag evenly coats and has wear-resistant coating.

Preferably, the inner wall of the protective sleeve is uniformly provided with a rotation stopping groove, and the outer wall of the shaft body is uniformly distributed with rotation stopping blocks matched with the rotation stopping groove, so that the protective sleeve can be prevented from rotating relatively when the shaft body works.

Preferably, the both sides of fixed staple bolt all are provided with solid fixed ring, and solid fixed ring has passed the outside bracing piece between, do benefit to the outside holding power that improves the axis body.

Preferably, the axis body is hollow structure, and the inside of axis body is concentric circles structural distribution and has inside backup pad, does benefit to the structural strength who improves the axis body when lightening weight, makes it be difficult to the fracture damage.

Preferably, all be provided with the operation chamber in the axis body of mounting groove both sides, and the one end of operation intracavity portion all is provided with the stopper through reset spring, the both sides of drive shaft all are provided with the spacing groove, the one end of stopper all extends to the spacing inslot, is convenient for carry out fixed connection with the drive shaft.

Preferably, the inside one end of keeping away from the stopper of operation chamber is provided with the depression bar through reset spring, and the top of depression bar extends to the outside of axis body, the bottom of depression bar is passed through the transfer line and is connected with the stopper rotation, the central point department of operating the intracavity portion is fixed with the fixed block, and the central point department of fixed block is connected through the axis of rolling and transfer line rotation, does benefit to the installation and the dismantlement of axis body.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this workpiece spindle for rotary part appearance grinding machine is through installing the axis body, the drive shaft, the mounting groove, the operation chamber, the depression bar, reset spring, the fixed block, the transfer line, stopper and spacing groove, make the operation depression bar make it produce the extrusion to reset spring, make the one end of transfer line move down, the other end of transfer line shifts up under the cooperation of fixed block, drive the stopper and break away from the spacing inslot, and then can dismantle the drive shaft from the mounting groove, do benefit to being connected between axis body and the drive shaft and fix, easy dismounting simultaneously.

(2) This workpiece spindle for rotary part appearance grinding machine is through being provided with the axis body, the inside of axis body is hollow structure, the inside of axis body is concentric circles structural distribution and has inside backup pad, do benefit to the structural strength who improves the axis body when lightening weight, make it be difficult to the fracture damage, the outside cover of axis body is equipped with the lag simultaneously, evenly be connected through fixed staple bolt between lag and the axis body, the both sides of fixed staple bolt all are provided with solid fixed ring, gu pass outside support pole between the fixed ring, do benefit to the outside holding power that improves the axis body, make it be difficult to warp, long service life.

(3) This gyration part is work piece main shaft for appearance grinding machine has wear-resisting coating through the even coating in the outside of lag, wear-resisting coating's material is ceramic granule, do benefit to the wear resistance who improves the lag, the lag is the rubber material simultaneously, do benefit to and play the cushioning effect, the axle body is difficult to damage when receiving external extrusion collision, evenly be provided with the groove of splining on the inner wall of lag, evenly distributed has the piece of splining that matches with the groove of splining on the outer wall of axle body, can prevent that the relative rotation from taking place for the axis body during operation lag.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is a schematic side view of a cross-sectional structure of the protective cover of the present invention;

fig. 4 is the utility model discloses a fixed staple bolt looks sideways at the structure schematic diagram.

In the figure: 1. a shaft head; 2. a fixing ring; 3. a protective sleeve; 4. fixing the anchor ear; 5. an outer support bar; 6. a shaft body; 7. mounting grooves; 8. a drive shaft; 9. a limiting groove; 10. a limiting block; 11. a transmission rod; 12. a return spring; 13. a fixed block; 14. a pressure lever; 15. an operating chamber; 16. a wear-resistant coating; 17. a rotation stopping block; 18. an inner support plate; 19. a rotation stopping groove; 20. a rubber gasket.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a workpiece spindle for a rotary part shape grinding machine comprises a protective sleeve 3, a spindle body 6, a limiting block 10 and an internal supporting plate 18, wherein a spindle head 1 is arranged at one end of the spindle body 6, and the other end of the shaft body 6 is provided with an installation groove 7, a driving shaft 8 is inserted into the installation groove 7, the shaft body 6 at the two sides of the installation groove 7 is internally provided with an operation cavity 15, and one end inside the operation cavity 15 is provided with a limiting block 10 through a return spring 12, both sides of the driving shaft 8 are provided with limiting grooves 9, one end of the limiting block 10 extends into the limiting grooves 9, one end inside the operation cavity 15 far away from the limiting block 10 is provided with a pressure rod 14 through the return spring 12, the top end of the pressure lever 14 extends to the outside of the shaft body 6, the bottom end of the pressure lever 14 is rotatably connected with the limiting block 10 through the transmission rod 11, the fixed block 13 is fixed at the central position inside the operation cavity 15, and the central position of the fixed block 13 is rotatably connected with the transmission rod 11 through the rolling shaft;

the pressing rod 14 is operated to extrude the return spring 12, so that one end of the transmission rod 11 moves downwards, the other end of the transmission rod moves upwards to drive the limiting block 10 to retract into the operation cavity 15, then the driving shaft 8 is inserted into the mounting groove 7 on one side of the shaft body 6, the pressing rod 14 is loosened, and the limiting block 10 is inserted into the limiting groove 9 on the driving shaft 8 under the effect of the resilience force of the return spring 12, so that the connection and the fixation between the shaft body 6 and the driving shaft 8 are facilitated;

the protective sleeve 3 is sleeved at the central position outside the shaft body 6, the inner wall of the protective sleeve 3 is uniformly provided with the rotation stopping grooves 19, and the outer wall of the shaft body 6 is uniformly distributed with the rotation stopping blocks 17 matched with the rotation stopping grooves 19, so that the protective sleeve 3 can be prevented from rotating relatively when the shaft body 6 works;

the protecting sleeve 3 and the shaft body 6 are uniformly and fixedly connected through the fixing hoop 4, the fixing rings 2 are arranged on two sides of the fixing hoop 4, and the external supporting rod 5 penetrates through the fixing rings 2, so that the external supporting force of the shaft body 6 is improved, the shaft body is not easy to deform, and the service life is prolonged;

the shaft body 6 is of a hollow structure, and the inner supporting plates 18 are distributed in the shaft body 6 in a concentric circle structure, so that the weight is reduced, the structural strength of the shaft body 6 is improved, and the shaft body is not easy to break and damage;

one side that fixed staple bolt 4 is close to lag 3 all is provided with rubber gasket 20, avoids producing wearing and tearing to lag 3, and the even coating in the outside of lag 3 has wear-resistant coating 16, and wear-resistant coating 16's material is ceramic particle, does benefit to the wear resistance who improves lag 3.

The working principle is as follows: when the anti-rotation device is used, the compression rod 14 is operated to extrude the reset spring 12, one end of the transmission rod 11 moves downwards, the other end moves upwards to drive the limiting block 10 to retract into the operation cavity 15, then the driving shaft 8 is inserted into the mounting groove 7 on one side of the shaft body 6, the compression rod 14 is loosened, the limiting block 10 is inserted into the limiting groove 9 on the driving shaft 8 under the resilience of the reset spring 12 to facilitate the connection and fixation between the shaft body 6 and the driving shaft 8, the outer side of the shaft body 6 is sleeved with the protecting sleeve 3, the outer side of the protecting sleeve 3 is uniformly coated with the wear-resistant coating 16, the wear-resistant coating 16 is made of ceramic particles to facilitate the improvement of the wear resistance of the protecting sleeve 3, meanwhile, the protecting sleeve 3 is made of rubber to facilitate the buffer effect, the shaft body 6 is not easy to damage when being extruded and collided by the outside, the anti-rotation grooves 19 are uniformly arranged on the inner wall of the protecting sleeve 3, and the anti-rotation blocks 17 matched with the anti-rotation grooves 19 are uniformly distributed on the outer wall of the shaft body 6, can prevent that 6 during operation lag 3 of axis body from taking place relative rotation, evenly be connected through fixed staple bolt 4 between lag 3 and the axis body 6, the both sides of fixed staple bolt 4 all are provided with solid fixed ring 2, gu fixed ring has passed outside bracing piece 5 between 2, do benefit to the outside holding power that improves the axis body 6, make it be difficult to warp, increase of service life, in addition, 6 position hollow structure of axis body, inside is concentric circles structural distribution and has inside backup pad 18, do benefit to the structural strength who improves the axis body 6 when lightening weight, make it be difficult to the fracture damage.

Claims (6)

1. The utility model provides a gyration part appearance is workpiece spindle for grinding machine, includes lag (3), axis body (6), stopper (10) and inside backup pad (18), its characterized in that: the utility model discloses a bearing structure, including axis body (6), central point department cover, lag (3), and even through fixed staple bolt (4) fixed connection between lag (3) and axis body (6), one side that fixed staple bolt (4) are close to lag (3) all is provided with rubber gasket (20), and the outside of lag (3) even coating has wear-resisting coating (16), the one end of axis body (6) is provided with spindle nose (1), and the other end of axis body (6) is provided with mounting groove (7), drive shaft (8) have been inserted to the inside of mounting groove (7), the central point department cover in the axis body (6) outside is equipped with lag (3), and evenly through fixed staple bolt (4) fixed connection between lag (3) and axis body (6).

2. A workpiece spindle for a profile grinding machine of a rotary part according to claim 1, wherein: the protective sleeve is characterized in that the inner wall of the protective sleeve (3) is uniformly provided with a rotation stopping groove (19), and the outer wall of the shaft body (6) is uniformly distributed with rotation stopping blocks (17) matched with the rotation stopping groove (19).

3. A workpiece spindle for a profile grinding machine of a rotary part according to claim 1, wherein: the two sides of the fixed hoop (4) are provided with fixing rings (2), and an external support rod (5) penetrates between the fixing rings (2).

4. A workpiece spindle for a profile grinding machine of a rotary part according to claim 1, wherein: the shaft body (6) is of a hollow structure, and internal supporting plates (18) are distributed in the shaft body (6) in a concentric circle structure.

5. A workpiece spindle for a profile grinding machine of a rotary part according to claim 1, wherein: all be provided with operation chamber (15) in the axis body (6) of mounting groove (7) both sides, and the inside one end in operation chamber (15) all is provided with stopper (10) through reset spring (12), the both sides of drive shaft (8) all are provided with spacing groove (9), the one end of stopper (10) all extends to in spacing groove (9).

6. A workpiece spindle for a rotary part profile grinding machine as claimed in claim 5, wherein: one end of keeping away from stopper (10) inside operation chamber (15) is provided with depression bar (14) through reset spring (12), and the top of depression bar (14) extends to the outside of axis body (6), the bottom of depression bar (14) is passed through transfer line (11) and is rotated with stopper (10) and be connected, the inside central point department in operation chamber (15) is fixed with fixed block (13), and the central point department of fixed block (13) is connected with transfer line (11) rotation through the roll axis.

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