CN219465849U - Automatic grinding machine - Google Patents
Automatic grinding machine Download PDFInfo
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- CN219465849U CN219465849U CN202320406860.XU CN202320406860U CN219465849U CN 219465849 U CN219465849 U CN 219465849U CN 202320406860 U CN202320406860 U CN 202320406860U CN 219465849 U CN219465849 U CN 219465849U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses an automatic grinding machine, which solves the technical problems of complex structure and high operation requirement of a spherical grinding device in the prior art. The workpiece grinding device comprises a workpiece clamping unit and a workpiece grinding unit which are oppositely arranged, wherein the workpiece clamping unit comprises a workpiece chuck for clamping a workpiece, the workpiece grinding unit comprises a circumferential swinging mechanism which surrounds the workpiece and swings along a vertical shaft, the circumferential swinging mechanism is connected with a radial translation mechanism, the moving end of the radial translation mechanism is connected with a rotary driving mechanism for driving a grinding head assembly, and the rotary driving mechanism drives the grinding head assembly to rotate around a transverse shaft of the workpiece. Compared with the prior art, the utility model has the advantages of simple structure, convenient operation, and improved sphere precision and finish, and grinding quality and efficiency.
Description
Technical Field
The utility model relates to the technical field of workpiece grinding, in particular to an automatic grinding machine.
Background
The plunger, the sliding shoe and other parts have very high requirements on dimensional accuracy and surface roughness, so that the spherical parts of the parts all need to be ground so as to reduce friction between the plunger and the sliding shoe. The existing grinding machine is complex in structure and high in operation requirement, and the PE ball core automatic polishing system based on torque control is disclosed in China patent publication No. 2021.10.01 and CN 112296852B, and comprises a supporting frame, wherein a ball core rotating mechanism for clamping the PE ball core is arranged in the supporting frame, and a two-degree-of-freedom motion mechanism is arranged at the upper part of the supporting frame; the two-degree-of-freedom motion mechanism comprises a first motion assembly and a second motion assembly, and the first motion assembly is arranged on the support frame in a sliding manner through the ball core positioning mechanism; the polishing mechanism is arranged on the second motion assembly and comprises a polishing cloth wheel which moves along the surface of the PE ball core in an arc manner.
In the technical scheme of the patent, the first motion assembly slides relative to the support frame through the long lead screw, the first motion assembly is connected with a radial guide rail mechanism for horizontal rotation, the radial guide rail mechanism is connected with a radial lead screw mechanism for horizontal motion, the radial lead screw mechanism is connected with a vertical downward polishing motor, redundant motion mechanisms exist, and a plurality of motion mechanisms need to be controlled. Therefore, there is a need to design a spherical grinder with a simple structure and convenient control.
Disclosure of Invention
Aiming at the defects in the background technology, the utility model provides an automatic grinding machine, which solves the technical problems of complex structure and high operation requirement of a spherical grinding device in the prior art.
The technical scheme of the application is as follows:
the utility model provides an automatic grind machine, includes relative work piece clamping unit and the work piece grinding unit that sets up, the work piece clamping unit includes the work piece chuck of centre gripping work piece, the work piece grinding unit includes around the work piece and along vertical axis wobbling circumference swing mechanism, circumference swing mechanism is connected with radial translation mechanism, and the removal end of radial translation mechanism is connected with the gyration actuating mechanism of drive grinding head subassembly, and gyration actuating mechanism drives the rotation of drive grinding head subassembly around the horizontal axle of work piece. When the workpiece is ground, the workpiece is clamped on the workpiece chuck, the rotary driving mechanism drives the grinding head assembly to grind the workpiece, and meanwhile, the radial translation mechanism can be automatically adjusted according to pressure feedback between the grinding head assembly and the workpiece, and the pressure feedback technology is conventional technical means. The technical scheme adopts a negative feedback circuit formed among the pressure sensor, the controller and the radial translation mechanism driving piece to realize automatic adjustment, so that the grinding pressure is always in a preset interval. Simultaneously, the circumferential swinging mechanism drives the radial translation mechanism, the rotary driving mechanism and the grinding head assembly to synchronously swing, so that each position of the workpiece is ground.
Further, the workpiece clamping unit comprises a first motor for driving the workpiece chuck to rotate. According to the technical scheme, the first motor is additionally arranged, the workpiece chuck is driven to rotate through the first motor, the rotary driving mechanism drives the grinding head assembly to rotate through the grinding head assembly chuck, the rotation direction of the grinding head assembly chuck is opposite to the rotation direction of the grinding head assembly chuck, and then the workpiece can obtain the grinding effect of higher rotation speed.
Further, work piece clamping unit and work piece grinding unit all connect on the roof of fuselage, circumference swing mechanism is including sliding the carousel that sets up on the roof, and the below of roof is provided with the wobbling second motor of drive carousel, radial translation mechanism sets up on the carousel. The circumferential swinging mechanism comprises a turntable which is arranged on the top plate in a sliding manner, a second motor which drives the turntable to swing is arranged below the top plate, and the radial translation mechanism is arranged on the turntable. According to the technical scheme, the second motor is arranged below the top plate, so that the effects of saving space and having a compact structure can be achieved, and the grinding of a workpiece is not affected.
Further, an arc guide rail is arranged on the top plate, a sliding groove is arranged at the bottom of the rotary table, and the sliding groove is in sliding fit with the arc guide rail. According to the technical scheme, the guide structure is additionally arranged, so that the motion of the circumferential swinging mechanism is more stable and accurate, and the grinding effect is fully ensured.
Further, the radial translation mechanism comprises a third motor arranged on the turntable, the third motor is connected with a screw rod, the rotary driving mechanism comprises a fourth motor for driving the grinding head assembly, and the fourth motor is connected with a screw hole matched with the screw rod. The radial translation mechanism adopts a screw rod structure, so that the structure is simple, the occupied space is small, the precision control is more convenient, and the grinding effect can be effectively improved.
Further, the fourth motor is connected with a first guide chute block, a first guide rail is arranged on the circumferential swinging mechanism, and the first guide chute block is in sliding fit with the first guide rail. The guide structure is additionally arranged between the radial translation mechanism and the rotary driving mechanism, so that the grinding precision can be further improved.
Further, the fourth motor is connected with a screw rod sliding block, and the screw hole and the guide sliding groove are both arranged on the screw rod sliding block.
Further, one end of the first guide rail, which is away from the third motor, is provided with a limiting block, the limiting block is in stop fit with the first guide chute, and the end part of the screw rod is in running fit with the limiting block.
Further, the workpiece clamping unit is connected with a second guide chute block, the second guide chute block linearly slides along the second guide rail, and a locking bolt which is propped against the second guide rail is arranged on the chute block.
Further, the grinding head assembly is connected with a spring structure for pretightening force compensation.
When the technical scheme of the utility model is used for grinding parts, a chuck is used for clamping a workpiece to be ground, and the chuck is driven to rotate by a first motor so that the workpiece to be ground synchronously rotates; the grinding head assembly is clamped by a chuck and is driven to rotate by a fourth motor; setting the rotation speed and the rotation direction of the first motor and the fourth motor according to the grinding process parameters; the turntable is connected with the second motor, and is driven by the second motor to rotate along the 7-arc guide rail at a certain angle; the fourth motor can move back and forth through the driving of the third motor, and the first motor can move along the second guide rail so as to adjust the distance between the part and the grinding head.
Compared with the prior art, the utility model has the advantages of simple structure, convenient operation, improved spherical precision and finish, improved grinding quality and efficiency, and the utility model also comprises the following advantages:
1) Angle-variable grinding capable of realizing automatic control
Through setting up control program, can control second motor pivoted angle, make grinding head and part sphere fully contact, the sphere grinds evenly.
2) Automatic compensation of grinding pretightening force can be realized
The grinding head assembly adopts a spring structure to realize expansion, the pre-tightening force is applied between the grinding head assembly and a workpiece to be ground through the spring structure, and the pre-tightening force is fed back to the third motor to realize automatic compensation of the pre-tightening force.
3) The polishing machine is applicable to various parts and can be commonly used for polishing spherical surfaces or planes of plungers, sliding shoes, swash plates and the like
The grinding head assembly can be used for different parts, such as plunger ball heads, piston shoe inner spherical surfaces, swash plate planes and other revolving parts by replacing the grinding head assembly.
Drawings
In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is a top view of the present utility model;
fig. 3 is a front view of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.
An automatic grinding machine, as shown in fig. 1-3, comprises a door-shaped machine body 10, wherein a workpiece clamping unit and a workpiece grinding unit are arranged on the top plate of the machine body 10, and the workpiece clamping unit and the workpiece grinding unit are oppositely arranged.
Specifically, the workpiece clamping unit comprises a workpiece chuck 11 for clamping the workpiece 2, the workpiece grinding unit comprises a circumferential swinging mechanism which swings around the workpiece 2 along a vertical axis, the circumferential swinging mechanism is connected with a radial translation mechanism, the moving end of the radial translation mechanism is connected with a rotary driving mechanism for driving the grinding head assembly 3, and the rotary driving mechanism drives the grinding head assembly 3 to rotate around a transverse axis of the workpiece 2. The circumferential swinging mechanism, the radial translation mechanism and the rotary driving mechanism are all connected with the control unit.
When the workpiece 2 is ground, the workpiece 2 is clamped on the workpiece chuck 11, the rotary driving mechanism drives the grinding head assembly 3 to grind the workpiece 2, and meanwhile, the radial translation mechanism can be automatically adjusted according to pressure feedback between the grinding head assembly 3 and the workpiece 2, and the pressure feedback technology is conventional technical means. The technical scheme adopts a negative feedback circuit formed among the pressure sensor, the control unit and the radial translation mechanism at the grinding head assembly 3 to realize automatic adjustment, so that the grinding pressure is always in a preset interval. Simultaneously, the circumferential swinging mechanism drives the radial translation mechanism, the rotary driving mechanism and the grinding head assembly 3 to synchronously swing, so that each position of the workpiece 2 is ground.
On the basis of the above-described embodiments, as a preferred embodiment, the workpiece holding unit includes a first motor 1 that drives the workpiece chuck 11 to rotate, and the first motor 1 is connected to the control unit. According to the technical scheme, the first motor 1 is additionally arranged, the workpiece chuck 11 is driven to rotate through the first motor 1, the rotary driving mechanism drives the grinding head assembly 3 to rotate through the grinding head assembly chuck 15, the two are opposite in steering, and then the workpiece 2 can obtain a grinding effect with a higher rotating speed.
On the basis of the above-described embodiments, as a preferred embodiment, the work holding unit and the work grinding unit are both attached to the top plate of the machine body 10. The circumferential swinging mechanism comprises a turntable 7 arranged on a top plate in a sliding manner, a second motor 6 for driving the turntable 7 to swing is arranged below the top plate, and the radial translation mechanism is arranged on the turntable 7. According to the technical scheme, the second motor 6 is arranged below the top plate, so that the effects of saving space and having a compact structure can be achieved, and the grinding of a workpiece is not affected.
On the basis of the above embodiment, as a preferred embodiment, the top plate is provided with an arc guide rail 8, and the bottom of the turntable 7 is provided with a chute, and the chute is in sliding fit with the arc guide rail 8. According to the technical scheme, the guide structure is additionally arranged, so that the motion of the circumferential swinging mechanism is more stable and accurate, and the grinding effect is fully ensured.
On the basis of the above embodiment, as a preferred embodiment, the radial translation mechanism comprises a third motor 5 arranged on a turntable 7, the third motor 5 is connected with a screw rod, the rotary driving mechanism comprises a fourth motor 4 for driving the grinding bit assembly 3, and the fourth motor 4 is connected with a screw hole matched with the screw rod. The radial translation mechanism adopts a screw rod structure, so that the structure is simple, the occupied space is small, the precision control is more convenient, and the grinding effect can be effectively improved.
On the basis of the above embodiment, as a preferred embodiment, the fourth motor 4 is connected with a first guide chute block, and the circumferential swinging mechanism is provided with a first guide rail 9, and the first guide chute block is in sliding fit with the first guide rail 9. The guide structure is additionally arranged between the radial translation mechanism and the rotary driving mechanism, so that the grinding precision can be further improved.
On the basis of the above embodiment, as a preferred embodiment, the fourth motor 4 is connected to a screw slider 12, and the screw hole and the guide chute are both provided on the screw slider 12.
Further, a limiting block 13 is arranged at one end, away from the third motor 5, of the first guide rail 9, the limiting block 13 is in blocking fit with the first guide chute, and the end part of the screw rod is in running fit with the limiting block.
Further, the workpiece clamping unit is connected with a second guiding chute block, the second guiding chute block slides along the second guide rail 14 in a straight line, and a locking bolt which is propped against the second guide rail 14 is arranged on the chute block. The two second guide rails 14 are arranged at intervals and parallel to each other, and the two second guide chute blocks are respectively matched with the two second guide rails 14.
Further, a spring structure for pretightening force compensation is connected to the grinding bit assembly 3.
Further, the first motor 1, the second motor 6, the third motor 5 and the fourth motor 4 are brushless motors.
The present utility model is not limited to the conventional technical means known to those skilled in the art.
The foregoing has shown and described the basic principles, main features and advantages of the present utility model. The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. An automatic grinding machine, characterized in that: including relative work piece clamping unit and the work piece grinding unit that sets up, work piece clamping unit is including work piece chuck (11) that are used for centre gripping work piece (2), work piece grinding unit is including around work piece (2) and along the wobbling circumference swing mechanism of vertical axle, circumference swing mechanism is connected with radial translation mechanism, and the removal end of radial translation mechanism is connected with the gyration actuating mechanism that drives grinding head subassembly (3) gyration, and gyration actuating mechanism drives the rotation of drive grinding head subassembly (3) around the horizontal axle of work piece (2).
2. The automatic grinding machine of claim 1, wherein: the workpiece clamping unit comprises a first motor (1) for driving a workpiece chuck (11) to rotate.
3. The automatic grinding machine according to claim 1 or 2, characterized in that: the workpiece clamping unit and the workpiece grinding unit are both connected to a top plate of the machine body (10), the circumferential swinging mechanism comprises a rotary plate (7) which is arranged on the top plate in a sliding mode, a second motor (6) which drives the rotary plate (7) to swing is arranged below the top plate, and the radial translation mechanism is arranged on the rotary plate (7).
4. An automatic grinding machine according to claim 3, characterized in that: the top plate is provided with an arc guide rail (8), the bottom of the turntable (7) is provided with a chute, and the chute is in sliding fit with the arc guide rail (8).
5. The automatic grinding machine of any one of claims 1, 2, 4, wherein: the radial translation mechanism comprises a third motor (5) arranged on a turntable (7), the third motor (5) is connected with a screw rod, the rotary driving mechanism comprises a fourth motor (4) for driving the grinding head assembly (3), and the fourth motor (4) is connected with a screw hole matched with the screw rod.
6. The automatic grinding machine of claim 5, wherein: the fourth motor (4) is connected with a first guide chute block, a first guide rail (9) is arranged on the circumferential swinging mechanism, and the first guide chute block is in sliding fit with the first guide rail (9).
7. The automatic grinding machine of claim 6, wherein: the fourth motor (4) is connected with a screw rod sliding block (12), and the screw hole and the guide sliding groove are both arranged on the screw rod sliding block (12).
8. The automatic grinding machine of claim 6 or 7, wherein: one end of the first guide rail (9) deviating from the third motor (5) is provided with a limiting block (13), the limiting block (13) is in stop fit with the first guide chute, and the end part of the screw rod is in running fit with the limiting block.
9. The automatic grinding machine of claim 8, wherein: the workpiece clamping unit is connected with a second guide chute block, the second guide chute block slides along the second guide rail (14) in a straight line, and a locking bolt which is propped against the second guide rail (14) is arranged on the chute block.
10. The automatic grinding machine of claim 9, wherein: the grinding head assembly (3) is connected with a spring structure for pretightening force compensation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320406860.XU CN219465849U (en) | 2023-03-07 | 2023-03-07 | Automatic grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320406860.XU CN219465849U (en) | 2023-03-07 | 2023-03-07 | Automatic grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219465849U true CN219465849U (en) | 2023-08-04 |
Family
ID=87433608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320406860.XU Active CN219465849U (en) | 2023-03-07 | 2023-03-07 | Automatic grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219465849U (en) |
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2023
- 2023-03-07 CN CN202320406860.XU patent/CN219465849U/en active Active
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