CN209936683U

CN209936683U - Press slide V-shaped guide rail surface grinding and clamping tool

Info

Publication number: CN209936683U
Application number: CN201921136814.2U
Authority: CN
Inventors: 陈洪贵; 谢君辉
Original assignee: SICHUAN NEIJIANG HONGQIANG MACHINE TOOL Co Ltd
Current assignee: SICHUAN NEIJIANG HONGQIANG MACHINE TOOL Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-01-14
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a press slide V-shaped guide surface grinding and clamping tool, which comprises a clamp body connected with an electromagnetic chuck of a surface grinding machine; the clamp body is provided with a connecting plate and an outer sleeve; the inner sleeve is sleeved in the outer sleeve, and an indexing disc is arranged on the inner sleeve; the inner sleeve and the outer sleeve can rotate relatively; the inner sleeve is fixedly sleeved on the positioning shaft; the part of the compression screw rod, which is positioned outside the positioning shaft, is penetrated with a positioning sleeve used for being matched with an inner hole of a workpiece. The utility model discloses a principle lies in utilizing work piece hole and position sleeve cooperation location, thereby it processes the guide surface in 4 different position to then drive the work piece rotation through rotating the inner skleeve.

Description

Press slide V-shaped guide rail surface grinding and clamping tool

Technical Field

The utility model relates to an utilize clamping frock of flat grinder grinding press slider V type guide surface.

Background

The sliding V-shaped guide rail surface of the main part sliding block of the pressure machine has very high requirements, and the fine milling processing of a boring machine is adopted at present. The structure of the slider is shown in fig. 1. The surface of the slide block guide rail surface requires high-frequency quenching, so the surface hardness is high, the cutter is seriously abraded during milling, the processing efficiency is low, the cutter rejection rate is high, and the processing cost is high. The slider has 4V profiles, needs the rotary machine tool workstation just can process next face, and machine tool workstation rotation angle precision is not high, leads to a set of guide rail surface depth of parallelism precision that corresponds not high, influences the press assembly precision. Because the moving precision of the main shaft of the processing machine tool is not high, the planeness precision of the guide rail surface of the milled slide block is poor, the scraping workload is increased during the assembly of a bench worker, and the labor intensity is high. Milling, the smooth finish of the guide rail surface is not high, and the wear resistance of the sliding guide rail surface is poor in the operation process of the press, so that the precision of the press is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a press slider V type guide surface grinding clamping frock for utilize flat grinder to process V type guide surface with the work piece clamping on flat grinder.

For solving the above technical problem, the technical scheme of the utility model is that: a press slide V-shaped guide rail surface grinding and clamping tool comprises a clamp body used for being connected with an electromagnetic chuck of a surface grinding machine; the method is characterized in that: the clamp body is provided with a connecting plate and an outer sleeve; the inner sleeve is sleeved in the outer sleeve, and an indexing disc is arranged on the inner sleeve; the inner sleeve and the outer sleeve can rotate relatively; the inner sleeve is fixedly sleeved on the positioning shaft; the part of the compression screw rod, which is positioned outside the positioning shaft, is penetrated with a positioning sleeve used for being matched with an inner hole of a workpiece; the outer ring surface of the indexing disc is provided with 4 notches which are uniformly distributed along the circumference; the mounting seat is fixed with the surface grinding machine and is provided with a cylindrical pin capable of sliding back and forth; and the cylindrical pin is matched and positioned with the notch. The utility model discloses a principle lies in utilizing work piece hole and position sleeve cooperation location, thereby it processes the guide surface in 4 different position to then drive the work piece rotation through rotating the inner skleeve. The included angle between adjacent gaps on the dividing plate is 90 degrees, so that the workpiece rotates 90 degrees along with the next gap as long as the workpiece rotates to the next gap. This is matched to the angle between the two guide surfaces, so that the other three guide surfaces do not need to be repositioned after only the first guide surface has been positioned.

As an improvement, the compression screw penetrates through the positioning shaft, the rear end of the compression screw is sleeved with a compression nut, and the front end of the compression screw is sleeved with a pressing plate. The pressing plate, the pressing nut and the pressing bolt are matched to tightly press the positioning sleeve and the workpiece.

As an improvement, the self-rotation driving device further comprises a handle for driving the inner sleeve to rotate.

Preferably, a nut is fixed to a portion of the inner sleeve extending beyond the outer sleeve, and the handle is fixed to the nut.

As a modification, the handles are two and are arranged oppositely. The two handles are convenient for both hands to rotate the handle with force.

Preferably, the cylindrical pin is sleeved with a spring for return. The spring presses the cylindrical pin in the notch to avoid the cylindrical pin from slipping.

As an improvement, the front end of the cylindrical pin is provided with a conical surface, and the shape of the notch is consistent with that of the front end of the cylindrical pin. So that the positioning is more accurate.

Preferably, the locating sleeves are arranged in a front-back mode, and the front diameter of each locating sleeve is 80mm, and the rear diameter of each locating sleeve is 50 mm. Used for matching and positioning with the inner hole diameter of the workpiece.

The utility model discloses an useful part lies in:

(1) the structure is arranged on a plane grinding machine, and the grinding wheel is utilized to grind the guide rail surface, so that the problem of high hardness of the processed surface is effectively solved, the use cost of the cutter is reduced, and the processing efficiency is improved.

(2) The structure adopts the conical surface positioning pin for positioning and indexing, when the guide rail surface is ground, the indexing precision is high when the guide rail surface rotates by 90 degrees, and the parallelism precision of the corresponding guide rail surface is effectively ensured, so that the assembly precision of the press machine is ensured.

(3) The precision of a movable guide rail of a workbench of the surface grinding machine is higher than that of a boring machine, the surface flatness precision of a ground workpiece is high, the scraping workload of a bench worker assembling press is low, the labor intensity is reduced, and the labor cost is reduced.

(4) The grinding process is adopted, the surface finish of the processed guide rail surface is high, the wear resistance of the sliding guide rail surface is enhanced when the press machine works, the precision of a machine tool is improved, and the service life of the press machine is prolonged.

(5) The device has the advantages of high efficiency of grinding the guide rail surface, high workpiece precision, convenient operation, labor cost saving and energy consumption reduction.

Drawings

Fig. 1 is a schematic structural diagram of a workpiece according to the present invention.

Fig. 2 is a schematic sectional view of the present invention.

Fig. 3 is a right side view after the workpiece and the index plate are attached.

The labels in the figure are: the device comprises a connecting plate 1, an outer sleeve 2, an inner sleeve 3, a positioning shaft 4, a compression screw 5, a positioning sleeve 6, a pressure plate 7, a compression nut 8, a nut 9, a handle 10, an indexing disc 11, a notch 12, a mounting seat 13, a cylindrical pin 14, a spring 15 and a workpiece 16.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the specific embodiments.

As shown in fig. 2-3, the present invention includes a fixture body for connection with an electromagnetic chuck of a surface grinder; the fixture body is provided with a connecting plate 1 and an outer sleeve 2; the inner sleeve 3 is sleeved in the outer sleeve 2, and the inner sleeve 3 is provided with an indexing disc 11; the inner sleeve 3 and the outer sleeve 2 can rotate relatively; the inner sleeve 3 is fixedly sleeved on the positioning shaft 4; the pressing device also comprises a pressing screw rod 5 penetrating into the positioning shaft 4, and a positioning sleeve 6 used for being matched with an inner hole of a workpiece 16 penetrates through the part, outside the positioning shaft 4, of the pressing screw rod 5; the locating sleeves 6 are arranged in a front-back mode, one diameter in front of each locating sleeve is 80mm, and the other diameter in back of each locating sleeve is 50 mm. The compression screw 5 penetrates through the positioning shaft 4, the rear end of the compression screw is sleeved with a compression nut 8, and the front end of the compression screw is sleeved with a pressing plate 7. The outer ring surface of the indexing disc 11 is provided with 4 notches 12 which are uniformly distributed along the circumference; the mounting seat 13 is fixed with the surface grinding machine, and a cylindrical pin 14 capable of sliding back and forth is arranged on the mounting seat 13; the cylindrical pin 14 is matched and positioned with the notch 12. The front end of the cylindrical pin 14 is provided with a conical surface, and the shape of the notch 12 is consistent with that of the front end of the cylindrical pin 15. The cylindrical pin 14 is sleeved with a spring 15 for return.

And a handle 10 for driving the inner sleeve 3 to rotate. A nut 9 is fixed on the part of the inner sleeve 3 extending out of the outer sleeve 2, and the handle 10 is fixed on the nut 9. The handles 10 are two and are oppositely arranged.

When the device is used, the workpiece 16 is sleeved on the positioning sleeve 6 and is pressed tightly by the pressing plate 7, so that one guide surface of the workpiece is just parallel to the workbench. The workpiece 16 is then prevented from rotating by the cylindrical pin 14 being inserted into the gap 12. After grinding a guide surface, the cylindrical pin 14 is withdrawn from the notch 12, and then the inner sleeve 3 is driven by the handle 10 to rotate 90 degrees, so that the workpiece 16 is driven to rotate 90 degrees. Because the included angle of the adjacent gaps 12 is exactly 90 degrees, the grinding can be carried out without adjusting the position of the workpiece 6.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims

1. A press slide V-shaped guide rail surface grinding and clamping tool comprises a clamp body used for being connected with an electromagnetic chuck of a surface grinding machine; the method is characterized in that: the clamp body is provided with a connecting plate and an outer sleeve; the inner sleeve is sleeved in the outer sleeve, and an indexing disc is arranged on the inner sleeve; the inner sleeve and the outer sleeve can rotate relatively; the inner sleeve is fixedly sleeved on the positioning shaft; the part of the compression screw rod, which is positioned outside the positioning shaft, is penetrated with a positioning sleeve used for being matched with an inner hole of a workpiece; the outer ring surface of the indexing disc is provided with 4 notches which are uniformly distributed along the circumference; the mounting seat is fixed with the surface grinding machine and is provided with a cylindrical pin capable of sliding back and forth; and the cylindrical pin is matched and positioned with the notch.

2. The press slide V-shaped guide rail surface grinding and clamping tool as claimed in claim 1, characterized in that: the compression screw penetrates through the positioning shaft, the rear end of the compression screw is sleeved with a compression nut, and the front end of the compression screw is sleeved with a pressing plate.

3. The press slide V-shaped guide rail surface grinding and clamping tool as claimed in claim 1, characterized in that: the handle is used for driving the inner sleeve to rotate.

4. The press slide V-shaped guide rail surface grinding and clamping tool according to claim 3, characterized in that: and a nut is fixed on the part of the inner sleeve extending out of the outer sleeve, and the handle is fixed on the nut.

5. The press slide V-shaped guide rail surface grinding and clamping tool according to claim 4, characterized in that: the number of the handles is two, and the handles are arranged oppositely.

6. The press slide V-shaped guide rail surface grinding and clamping tool as claimed in claim 1, characterized in that: and a spring for resetting is sleeved on the cylindrical pin.

7. The press slide V-shaped guide rail surface grinding and clamping tool as claimed in claim 1, characterized in that: the front end of the cylindrical pin is provided with a conical surface, and the shape of the opening is consistent with that of the front end of the cylindrical pin.

8. The press slide V-shaped guide rail surface grinding and clamping tool as claimed in claim 1, characterized in that: the locating sleeves are arranged in a front-back mode, one diameter in front of the locating sleeves is 80mm, and the other diameter in back of the locating sleeves is 50 mm.