CN215470486U

CN215470486U - Workpiece driving mechanism of grinding machine

Info

Publication number: CN215470486U
Application number: CN202121589787.1U
Authority: CN
Inventors: 金浙伟
Original assignee: ZHEJIANG QUANSHUN MACHINE TOOL CO Ltd
Current assignee: ZHEJIANG QUANSHUN MACHINE TOOL CO Ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-01-11
Anticipated expiration: 2031-07-13

Abstract

The utility model belongs to the technical field of grinding machines, and relates to a workpiece driving mechanism for a grinding machine headstock. The special-shaped driving ejector pin structure comprises an ejector pin body, wherein a driving rod hole is formed in the front end of the ejector pin body, a driving ejector pin is arranged in the driving rod hole, a special-shaped driving ejector pin is arranged at the outer end of the driving ejector pin, an axial elastic supporting component is arranged between the driving rod hole and the driving ejector pin, and a driving ejector pin stroke limiting component is further arranged between the driving rod hole and the driving ejector pin. Compared with the prior art, the workpiece driving mechanism of the grinding machine has the advantages that: 1. reasonable in design can be convenient for fix dysmorphism hole work piece. 2. The workpiece is driven to rotate at any position by adopting the following of a spring. 3. The clamping device can be convenient to rapidly clamp and is accurate in positioning.

Description

Workpiece driving mechanism of grinding machine

Technical Field

The utility model belongs to the technical field of grinding machines, and relates to a workpiece driving mechanism for a grinding machine headstock.

Background

When the cylindrical grinding machine is used, the workpiece is driven to rotate through the headstock. However, the conventional workpiece with an irregular inner hole cannot be fixed on a headstock, so that grinding cannot be performed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a grinding machine workpiece driving mechanism which is reasonable in design and can be used for conveniently fixing a special-shaped inner hole workpiece.

In order to achieve the purpose, the utility model adopts the following technical scheme: the workpiece driving mechanism of the grinding machine is characterized by comprising a center body, wherein a driving rod hole is formed in the front end of the center body, a driving ejector rod is arranged in the driving rod hole, a special-shaped driving ejector head is arranged at the outer end of the driving ejector rod, an axial elastic supporting component is arranged between the driving rod hole and the driving ejector rod, and a driving ejector rod stroke limiting component is further arranged between the driving rod hole and the driving ejector rod.

In the grinding machine workpiece driving mechanism, the front end of the center body is provided with an annular abdicating inclined surface.

In the grinding machine workpiece driving mechanism, a first annular step is arranged between the inner end of the annular abdicating inclined surface and the tip body, the outer diameter of the tip body is gradually reduced from one end of the first annular step to the end far away from the first annular step, and a second annular step is arranged at the rear end of the tip body.

In the above-mentioned grinding machine workpiece driving mechanism, the axial elastic support component includes a support spring disposed between the inner end of the driving rod hole and the inner end of the driving ejector rod.

In the grinding machine workpiece driving mechanism, a through hole is arranged at one end, away from the driving ejector head, of the inner end of the driving rod hole and the ejector head body, the through hole and the driving rod hole are coaxially arranged, an internal thread section is arranged between the through hole and the driving rod hole, an adjusting screw is screwed on the internal thread section, one end of the supporting spring abuts against the adjusting screw, and the other end of the supporting spring abuts against the inner end of the driving ejector rod.

In the grinding machine workpiece driving mechanism, the driving ejector rod stroke limiting assembly comprises a stroke limiting through groove which radially penetrates through the driving ejector rod, and the center body is provided with a limiting screw which radially penetrates through the center body and the limiting through groove.

In the grinding machine workpiece driving mechanism, the cross section of the driving ejector rod is non-circular, and the driving rod hole is matched with the driving ejector rod.

In the grinding machine workpiece driving mechanism, the cross section of the driving ejector rod is square.

In the grinding machine workpiece driving mechanism, the driving ejector is square.

In the grinding machine workpiece driving mechanism, transition chamfers are respectively arranged between four peripheral surfaces of the driving ejector.

Compared with the prior art, the workpiece driving mechanism of the grinding machine has the advantages that: 1. reasonable in design can be convenient for fix dysmorphism hole work piece. 2. The workpiece is driven to rotate at any position by adopting the following of a spring. 3. The clamping device can be convenient to rapidly clamp and is accurate in positioning.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic cross-sectional structure provided by the present invention.

In the figure, a top body 1, a driving rod hole 2, a driving top rod 21, a driving top head 22, an axial elastic supporting component 3, a driving top rod stroke limiting component 4, an annular abdicating inclined surface 11, a first annular step 12, a second annular step 13, a supporting spring 31, a through hole 5, an adjusting screw 52, an internal thread section 51, a stroke limiting through groove 41, a limiting screw 42 and an excessive chamfer 221.

Detailed Description

As shown in fig. 1 and 2, the workpiece driving mechanism of the grinding machine comprises a center body 1, wherein a driving rod hole 2 is formed in the front end of the center body 1, the center body 1 and the driving rod hole 2 are coaxially arranged, a driving ejector rod 21 is arranged in the driving rod hole 2, a driving ejector head 22 in a special shape is arranged at the outer end of the driving rod hole 2, an axial elastic supporting component 3 is arranged between the driving rod hole 2 and the driving ejector rod 21, and a driving ejector rod stroke limiting component 4 is further arranged between the driving rod hole 2 and the driving ejector rod 21.

More specifically, the front end of the center body 1 is provided with an annular abdicating inclined surface 11, and the annular abdicating inclined surface 11 can prevent the center body 1 from damaging the workpiece after driving the center 22 to extend into a special-shaped hole of the workpiece.

A first annular step 12 is arranged between the inner end of the annular abdicating inclined surface 11 and the tip body 1, and the first annular step 12 can further prevent the tip body from damaging a workpiece; in order to facilitate the installation of the center body 1, the outer diameter of the center body 1 is gradually reduced from one end of the first annular step 12 to the end far away from the first annular step 12, and a second annular step 13 is arranged at the rear end of the center body 1.

Preferably, the axial elastic support assembly 3 comprises a support spring 31 disposed between the inner end of the driving rod hole 2 and the inner end of the driving jack 21.

In order to facilitate installation and adjust the tightness of the supporting spring 31, a through hole 5 is formed in one end, away from the driving ejector 22, of the inner end of the driving rod hole 2 and the end, away from the driving ejector 22, of the center body 1, the through hole 5 and the driving rod hole 2 are coaxially arranged, an inner thread section 51 is arranged between the through hole 5 and the driving rod hole 2, an adjusting screw 52 is screwed on the inner thread section 51, one end of the supporting spring 31 abuts against the adjusting screw 52, and the other end of the supporting spring abuts against the inner end of the driving ejector rod 21.

In order to limit the axial movement of the driving ejector rod, the driving ejector rod stroke limiting component 4 comprises a stroke limiting through groove 41 radially penetrating the driving ejector rod 21, and a limiting screw 42 radially penetrating the ejector tip body 1 and the limiting through groove 41 is arranged on the ejector tip body 1. The axial length of the stroke limiting through groove 41 is larger than the diameter of the limiting screw 42.

Preferably, the cross section of the driving mandril 21 is non-circular, and the driving mandril hole 2 is matched with the driving mandril 21.

In this embodiment, the cross section of the driving rod 21 is square.

In this embodiment, the driving plug 22 is square, and transition chamfers 221 are respectively disposed between four peripheral surfaces of the driving plug 22.

Preferably, the driving ejector rod 21 and the driving ejector head 22 are coaxially arranged, and the driving ejector rod 21 and the driving ejector head 22 are connected into a whole.

When the special-shaped tool is used, the center body 1 is fixed on the headstock, the top head 22 is driven to extend into the special-shaped inner hole of the workpiece, and the top head 22 and the workpiece are driven to be limited in the circumferential direction;

the headstock drives the center body 1 to rotate, the center body 1 drives the ejector 22 to rotate by driving the ejector rod 21, so that the ejector 22 is driven to rotate, the ejector rod 21 is driven to drive a workpiece to rotate, and the workpiece can be always axially ejected to the inner end of the special-shaped inner hole of the workpiece under the action of the spring.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the terms of the nose body 1, the driver rod hole 2, the driver rod 21, the driver nose 22, the axial elastic support component 3, the driver rod stroke limiting component 4, the annular abdicating inclined surface 11, the first annular step 12, the second annular step 13, the support spring 31, the through hole 5, the adjusting screw 52, the internal thread section 51, the stroke limiting through groove 41, the limiting screw 42, the excessive chamfer 221, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.

Claims

1. The utility model provides a grinding machine work piece actuating mechanism, a serial communication port, includes the top body (1), top body (1) front end be equipped with drive rod hole (2), drive rod hole (2) in be equipped with and drive ejector pin (21), drive rod hole (2) outer end on be equipped with and be special-shaped drive top (22), drive rod hole (2) and drive and be equipped with axial elastic support subassembly (3) between ejector pin (21), still be equipped with between drive rod hole (2) and drive ejector pin (21) and drive the spacing subassembly of ejector pin stroke (4).

2. The workpiece driving mechanism of the grinding machine as claimed in claim 1, characterized in that the front end of the nose body (1) is provided with an annular abdicating inclined surface (11).

3. The workpiece driving mechanism of the grinding machine as claimed in claim 2, characterized in that a first annular step (12) is arranged between the inner end of the annular abdicating inclined surface (11) and the centre body (1), the outer diameter of the centre body (1) is gradually reduced from one end of the first annular step (12) to the end far away from the first annular step (12), and a second annular step (13) is arranged at the rear end of the centre body (1).

4. A grinding machine workpiece drive mechanism as claimed in claim 1, 2 or 3, characterised in that the axial resilient support member (3) comprises a support spring (31) disposed between the inner end of the drive rod bore (2) and the inner end of the drive ram (21).

5. The grinding machine workpiece driving mechanism as claimed in claim 4, characterized in that a through hole (5) is arranged at one end of the inner end of the driving rod hole (2) and the end of the ejector pin body (1) far away from the driving ejector head (22), the through hole (5) and the driving rod hole (2) are coaxially arranged, an internal thread section (51) is arranged between the through hole (5) and the driving rod hole (2), an adjusting screw (52) is screwed on the internal thread section (51), one end of the supporting spring (31) abuts against the adjusting screw (52), and the other end abuts against the inner end of the driving ejector pin (21).

6. A grinding machine workpiece driving mechanism as claimed in claim 1, 2 or 3, characterized in that the driving ejector rod stroke limiting component (4) comprises a stroke limiting through groove (41) radially penetrating the driving ejector rod (21), and the center body (1) is provided with a limiting screw (42) radially penetrating the center body (1) and the limiting through groove (41).

7. A grinder workpiece drive mechanism as claimed in claim 1, 2 or 3, characterised in that the cross-section of the drive carrier rod (21) is non-circular, and the drive rod hole (2) is matched with the drive carrier rod (21).

8. The workpiece driving mechanism of the grinding machine as claimed in claim 7, characterized in that the cross section of the driving ejector rod (21) is square.

9. A grinding machine workpiece drive mechanism as claimed in claim 1, 2 or 3, characterised in that the drive ram (22) is square.

10. A machine tool drive mechanism as claimed in claim 9, characterised in that the drive head (22) is provided with respective excess chamfers (221) between four peripheral faces thereof.