CN210132387U

CN210132387U - Hydraulic center hole grinding device

Info

Publication number: CN210132387U
Application number: CN201921077444.XU
Authority: CN
Inventors: 蔡海波
Original assignee: SHANDONG YOT MACHINE TOOL MANUFACTURING Co Ltd
Current assignee: SHANDONG YOT MACHINE TOOL MANUFACTURING Co Ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-03-10
Anticipated expiration: 2029-07-11

Abstract

The utility model relates to the technical field of grinding devices, in particular to a hydraulic center hole grinding device, which comprises a cylinder mounting seat, wherein a first mounting hole is fixedly arranged on the inner wall at the top of the cylinder mounting seat, a second mounting hole is fixedly arranged on the inner wall at the bottom of the cylinder mounting seat, a double-piston double-acting cylinder is fixedly arranged on the side wall at the left side of the cylinder mounting seat, a cylinder barrel is fixedly arranged at the middle part of the double-piston double-acting cylinder, a rodless side end cover is fixedly arranged at one side of the double-piston double-acting cylinder far away from the cylinder mounting seat, a rod side end cover is fixedly arranged at one side of the double-piston double-acting cylinder close to the cylinder mounting seat, an inner piston pull rod is fixedly connected at one side output end of the double-piston double-acting cylinder close to a cylinder mounting seat 1, an outer piston pull rod is sleeved on the circumferential outer wall of the, the structure design is scientific and reasonable, the flexibility is stronger, and the limitation is lower, has certain use value and spreading value.

Description

Hydraulic center hole grinding device

Technical Field

The utility model relates to a grinder technical field specifically is a hydraulic pressure centre bore grinder.

Background

The center hole is a process hole for determining the center of a workpiece, and most shaft parts are provided with the center hole and have two main functions: firstly, the positioning reference is used as a workpiece during processing; and bearing the self weight and cutting force of the workpiece.

When a central hole is machined, the process method is mainly compiled from two aspects of improving the quality of a conical surface and the machining efficiency, so that the process method for machining the central hole is determined according to the requirements of different precision grades of shaft parts and the current production situation of enterprises as follows: when the standard tolerance grade of the part is required to be IT10-IT12, the standard tolerance value is 0.04-0.012mm, and the process of the center hole is as follows: turning an outer circle, turning an end face and drilling a central hole; secondly, the standard tolerance grade of the part is required to be IT8-IT9, the standard tolerance value is between 0.014 and 0.036mm, and the process of the center hole is as follows: turning an outer circle, turning an end face, drilling a central hole, turning the end face, drilling a central hole, performing heat treatment, and grinding a central hole conical surface; thirdly, the standard tolerance grade of the part is required to be IT6-IT7, the standard tolerance value is 0.006-0.012, and the technology of the center hole is as follows: rough turning, heat treatment, quenching and tempering, turning an outer circle, turning an end face, drilling a central hole, turning the end face, drilling a central hole, roughly grinding a conical surface of the central hole, heat treatment and conical surface of the central hole.

The existing technical scheme of the center hole grinding spindle of the milling and hammering machine generally adopts an independent grinding machine tool to finish the process machining, but the labor cost input in the work of the center hole grinding spindle of the milling and hammering machine is relatively high, the Morse taper shank is inconvenient to replace and process, the flexibility is poor, the spindle is difficult to be applied to two different power sources, the limitation is high, the working efficiency is relatively low, and some unreasonable parts exist in the design of a local structure. Therefore, there is a need for a hydraulic center hole grinder that addresses the deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic pressure centre bore grinder to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a hydraulic center hole grinding device comprises a cylinder mounting seat, wherein a first mounting hole is fixedly formed in the inner wall of the top of the cylinder mounting seat, a second mounting hole is fixedly formed in the inner wall of the bottom of the cylinder mounting seat, a double-piston double-acting cylinder is fixedly mounted on the side wall of the left side of the cylinder mounting seat, a cylinder barrel is fixedly arranged in the middle of the double-piston double-acting cylinder, a rodless side end cover is fixedly arranged on one side, away from the cylinder mounting seat, of the double-piston double-acting cylinder, a rod side end cover is fixedly arranged on one side, close to the cylinder mounting seat, of the double-piston double-acting cylinder, an inner piston pull rod is fixedly connected to the output end, close to the cylinder mounting seat 1, of the double-piston double-acting cylinder, an outer piston pull rod is sleeved on the outer wall of the circumference of the inner piston pull rod, a machine shell is sleeved on the outer wall of the circumference of, and a Morse taper shank is fixedly installed at one end of the inner piston pull rod, which is far away from the double-acting cylinder with double pistons.

Preferably, the first mounting hole and the second mounting hole are symmetrically and fixedly arranged on the upper inner wall and the lower inner wall of the cylinder mounting seat 1.

Preferably, the model of the double-piston double-acting cylinder is CMK 2-LB-20-150-RO-D.

Preferably, the inner piston pull rod is a quick-change ejector rod.

Preferably, the outer piston pull rod is a grinding ejector rod.

Preferably, the inner wall of the circumference of the telescopic sliding sleeve is sleeved on the Morse taper shank in a sliding manner.

Preferably, the telescopic sliding sleeve and the Morse taper shank are suitable for two different hydraulic power sources of the pneumatic box.

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

1. the utility model discloses in, generally take independent lapping machine to accomplish the processing of process through current process scheme, but this device can be integrated with other equipment on, for example: the end face milling and center hole drilling machine tool effectively reduces the labor cost, improves the machining efficiency, reduces the transfer of workpieces/processes and improves the utilization rate of the length.

2. The utility model discloses in, through the connection structure that interior piston pull rod and outer piston pull rod, flexible sliding sleeve, morse taper shank of setting are constituteed, generally be the grinding head of morse taper shank when grinding great centre bore, morse taper shank takes out and needs the people to apply external force side and can accomplish, and the implementation of this device can come fast to take off morse taper shank through numerical control procedure or system button, and it is more convenient, swift to change the processing.

3. The utility model discloses in, this device through setting up is applicable to pneumatic also is applicable to the power supply of two kinds of differences of hydraulic pressure, and the flexibility and the suitability of use are stronger, and the limitation is less relatively to some weak points that exist in the field have been solved through the improvement innovation in the overall structure design, and the theory of entirety is comparatively simple, easily realizes, has certain use value and spreading value.

Drawings

FIG. 1 is a front sectional view of the overall structure of the present invention;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is an enlarged view of the structure of the morse taper shank of the present invention.

In the figure: 1-the cylinder mounting seat, 2-the first mounting hole, 3-the second mounting hole, 4-double-piston double-acting cylinder, 5-cylinder barrel, 6-rodless side end cover, 7-rod side end cover, 8-inner piston pull rod, 9-outer piston pull rod, 10-telescopic sliding sleeve and 11-Morse taper shank.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a hydraulic pressure centre bore grinder, includes cylinder mount pad 1, and first mounting hole 2 has been seted up to the top inner wall of cylinder mount pad 1 is fixed, the bottom inner wall of cylinder mount pad 1 is fixed and has been seted up second mounting hole 3, and the left side lateral wall fixed mounting of cylinder mount pad 1 has two piston double acting cylinder 4, generally takes independent lapping machine to accomplish the processing of process through current process scheme, and this device can be integrated on using other equipment, for example: a milling end face centering machine tool effectively reduces the labor cost, improves the processing efficiency, reduces the workpiece/procedure transfer and improves the utilization rate of the length, a cylinder barrel 5 is fixedly arranged in the middle of a double-piston double-acting cylinder 4, a rodless side end cover 6 is fixedly arranged on one side of the double-piston double-acting cylinder 4 away from a cylinder mounting seat 1, a rod side end cover 7 is fixedly arranged on one side of the double-piston double-acting cylinder 4 close to the cylinder mounting seat 1, an inner piston pull rod 8 is fixedly connected with the output end of one side of the double-piston double-acting cylinder 4 close to the cylinder mounting seat 1, an outer piston pull rod 9 is sleeved on the circumferential outer wall of the inner piston pull rod 8, a machine shell 901 is sleeved on the circumferential outer wall of the outer piston pull rod 9, a telescopic sliding sleeve 10 is fixedly arranged at one end of the outer piston pull rod 9 away from the double-acting cylinder 4, a Morse taper handle 11 is fixedly arranged at one end of the, through the connection structure that interior piston pull rod 8 and outer piston pull rod 9, flexible sliding sleeve 10, morse taper shank 11 are constituteed, generally be the grinding head of morse taper shank 11 when grinding great centre bore, morse taper shank 11 takes out and needs the people to apply external force to accomplish, morse taper shank 11 can be taken off fast through numerical control procedure or system button to the implementation of this device, it is more convenient, swift to change the processing, be applicable to pneumatic also be applicable to two kinds of different power supplies of hydraulic pressure through this device, the flexibility and the suitability of use are stronger, the limitation is relatively less, and some that exist in the field have been solved through the improvement innovation in the overall structure design, the overall principle is comparatively simple, easily realize, certain use value and spreading value have.

The utility model discloses the theory of operation: when the grinding head is used, the telescopic sliding sleeve 10, the Morse taper shank 11 and the grinding head thereof are driven to rotate through the rotation of the main shaft, the outer piston pull rod 9 of the double-piston double-acting cylinder 4 pushes the Morse taper shank 11 to extend out to provide grinding torque, a central hole is ground through Z-axis servo electric feeding of a milling machine (not shown in the figure), and when the grinding head of the Morse taper shank 11 needs to be replaced, the inner piston pull rod 8 of the double-piston double-acting cylinder 4 pushes the flat tail of the Morse taper shank 11 to rapidly remove the taper shank through a numerical control button (not shown in the figure).

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic pressure centre bore grinder, includes cylinder mount pad (1), its characterized in that: a first mounting hole (2) is fixedly formed in the inner wall of the top of the cylinder mounting seat (1), a second mounting hole (3) is fixedly formed in the inner wall of the bottom of the cylinder mounting seat (1), a double-piston double-acting cylinder (4) is fixedly mounted on the side wall of the left side of the cylinder mounting seat (1), a cylinder barrel (5) is fixedly arranged in the middle of the double-piston double-acting cylinder (4), a rodless side end cover (6) is fixedly arranged on one side, away from the cylinder mounting seat (1), of the double-piston double-acting cylinder (4), a rod side end cover (7) is fixedly arranged on one side, close to the cylinder mounting seat (1), of the double-piston double-acting cylinder (4), an inner piston pull rod (8) is fixedly connected to the output end of one side, close to the cylinder mounting seat (1), of the inner piston pull rod (8), and an outer piston pull rod (9) is sleeved on the outer, the outer piston pull rod (9) is sleeved with the shell (901), a telescopic sliding sleeve (10) is fixedly installed at one end, far away from the double-piston double-acting cylinder (4), of the outer piston pull rod (9), and a Morse taper shank (11) is fixedly installed at one end, far away from the double-piston double-acting cylinder (4), of the inner piston pull rod (8).

2. A hydraulic central bore grinding apparatus according to claim 1, wherein: the first mounting hole (2) and the second mounting hole (3) are fixedly and symmetrically arranged on the upper inner wall and the lower inner wall of the cylinder mounting seat (1).

3. A hydraulic central bore grinding apparatus according to claim 1, wherein: the model of the double-piston double-acting cylinder (4) is CMK 2-LB-20-150-RO-D.

4. A hydraulic central bore grinding apparatus according to claim 1, wherein: the inner piston pull rod (8) is a quick-change ejector rod.

5. A hydraulic central bore grinding apparatus according to claim 1, wherein: the outer piston pull rod (9) is a grinding ejector rod.

6. A hydraulic central bore grinding apparatus according to claim 1, wherein: the inner wall of the circumference of the telescopic sliding sleeve (10) is sleeved on the Morse taper shank (11) in a sliding manner.

7. A hydraulic central bore grinding apparatus according to claim 1, wherein: the telescopic sliding sleeve (10) and the Morse taper shank (11) are suitable for two different hydraulic power sources of the pneumatic box.