CN213828500U

CN213828500U - Multi-station grinding machine fine adjustment mechanism

Info

Publication number: CN213828500U
Application number: CN202023006277.5U
Authority: CN
Inventors: 罗强; 罗永念; 陆福勇; 陈佑新
Original assignee: Dongguan Chuncao Grinding Technology Co ltd
Current assignee: Dongguan Chuncao Grinding Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-07-30
Anticipated expiration: 2030-12-15

Abstract

The application relates to the technical field of numerical control grinding equipment, in particular to a fine adjustment mechanism of a multi-station grinding machine, which comprises a small bottom plate and a driving part, wherein the small bottom plate can slide along an X axis and a Y axis, the driving part drives the small bottom plate to slide along the X axis and the Y axis, a measuring part is arranged on the small bottom plate, and a workpiece clamping part is arranged on the measuring part; the device also comprises a control module. When the workpiece is polished, the workpiece is fed back to the control module through the measuring part, and the control module regulates and controls the driving part to give an instruction for compensation, so that the position of a corrected product is achieved, and the consistency of multi-station output is guaranteed. The measuring part is matched with the driving part, so that the workpiece can overcome error factors to achieve consistency; the multi-station grinding and polishing machine has the advantages of being capable of independently and simultaneously working at multiple stations, reducing energy consumption, reducing precision errors of all stations of multi-station grinding and polishing equipment, enabling grinding and polishing quality to be higher, and being high in good machining precision, high in product consistency, low in machining cost, low in assembly cost and high in production efficiency.

Description

Multi-station grinding machine fine adjustment mechanism

Technical Field

The application relates to the technical field of numerical control grinding equipment, in particular to a micro-adjustment mechanism of a multi-station grinding machine.

Background

The existing numerical control grinding machine on the market is generally designed into a multi-station machine for high efficiency, and has one to ten stations or more stations, and a plurality of same products can be simultaneously processed at one time.

The requirements of the existing products, whether functional parts or appearance parts, are more and more strict, and the consistency of the products is required to be very high. This requires a high degree of uniformity in the various stations, and it is almost impossible, if possible, to achieve a high degree of precision and coplanarity for the sanding head and the product rotating mechanism, which are made up of a plurality of parts, and the manufacturing costs are high, which is not suitable for normal industrial production.

Taking a machine with 5 polishing heads as an example, 2-10 polishing heads or more are adopted in practical application.

The polishing heads are arranged on a square box body, and a plurality of polishing heads are arranged on four sides or two sides of the square box body. The square box body can rotate around the axis. The clamping mechanism is arranged on one plate, and the plate belt is close to or away from the polishing head at the same time by the clamping mechanism, so that polishing operation is realized.

In the existing structure, in order to achieve high consistency of grinding workpieces, the surfaces of sand paper ground by the grinding heads 1-5 are required to be coplanar, namely the coplanarity is 0.05 or other values. Because the polishing head is formed by laminating and installing a motor, an installation body plate, a grinding disc driving mechanism, a polishing disc, abrasive paper and the like layer by layer, the multilayer lamination is required, and finally 5 or more polishing heads are required to have high coplanarity, the polishing head is difficult to process in the prior art, and even if the polishing head is obtained, the processing cost and the assembly cost are high, so that the polishing head is not suitable for normal industrial production.

The existing structure can not polish products with high consistency if the high precision of the two points is not achieved.

It is conventional practice to grind less product at a time at the expense of efficiency. The efficiency is reduced to meet the requirement of consistency of products, and obviously, the efficiency is not consistent with the market requirement in the era of pursuing efficiency more and more, and the efficiency is not accepted by the market. How to solve the above problem becomes extremely important.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the purpose of this application is to provide a multistation grinds quick-witted fine-tuning, has the advantage that keeps good machining precision high, the product uniformity is high, the processing cost is low, assembly cost is low and production efficiency is high.

The technical purpose of the application is realized by the following technical scheme: a multi-station grinding machine fine adjustment mechanism comprises a small bottom plate and a driving part, wherein the small bottom plate can slide along an X axis and a Y axis, the driving part drives the small bottom plate to slide along the X axis and the Y axis, a measuring part is installed on the small bottom plate, and a workpiece clamping part is installed on the measuring part; the measuring part and the driving part are respectively electrically connected with the control module.

Preferably, the measuring unit is a distance sensor.

Preferably, the measuring part is a force control sensor.

Preferably, work piece clamping part is including installing the mount pad on the measuring part, install revolving stage mechanism on the mount pad, revolving stage mechanism upper end is rotated and is connected with the rotatory output shaft of cavity, revolving stage mechanism installs one side and is used for driving the rotatory output shaft pivoted motor of cavity, the cylinder is installed to the rotatory output shaft of cavity, install the tool clamping piece that passes the tool on the output shaft of cylinder.

Preferably, the turntable mechanism is a divider.

Preferably, the driving part is a screw mechanism driven by a motor.

To sum up, the beneficial effect that this application has: when the workpiece is polished, the workpiece is fed back to the control module through the measuring part, and then the control module regulates and controls the driving part to give an instruction for compensation, so that the position of a corrected product is achieved, and the consistency of multi-station output is guaranteed. The measuring part is matched with the driving part, so that the workpiece can overcome error factors to achieve consistency; the multi-station grinding and polishing machine has the advantages of being capable of independently and simultaneously working at multiple stations, reducing energy consumption, reducing precision errors of all stations of multi-station grinding and polishing equipment, enabling grinding and polishing quality to be higher, and being high in good machining precision, high in product consistency, low in machining cost, low in assembly cost and high in production efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Reference numerals: 1. a large bottom plate; 11. a protective cover; 2. a tooling fixture mechanism; 21. a small base plate; 22. a drive section; 23. a measuring section; 24. a workpiece clamping portion; 241. a mounting seat; 242. a turntable mechanism; 243. a hollow rotary output shaft; 244. a motor; 245. a cylinder; 246. and a fixture clamping piece.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

A multi-station grinding machine fine adjustment mechanism is disclosed, referring to fig. 1, and comprises a small bottom plate 21 capable of sliding along an X axis and a Y axis and a driving part 22 for driving the small bottom plate 21 to slide along the X axis and the Y axis, wherein a measuring part 23 is arranged on the small bottom plate 21, and a workpiece clamping part 24 is arranged on the measuring part 23; the device also comprises a control module, and the measuring part 23 and the driving part 22 are respectively electrically connected with the control module. In addition, the large bottom plate 1 is also provided with a protective cover 11, and a driving structure for driving the whole structure above the large bottom plate 1 to slide along the X axis and the Y axis is arranged below the large bottom plate 1.

Before the workpiece is polished, the workpiece is fed back to the control module through the measuring part 23 when being polished, and then the control module regulates and controls the driving part 22 to give an instruction for compensation, so that the position of a corrected product is achieved, and the consistency of multi-station output is ensured. The measuring part 23 is matched with the driving part 22 for use, and workpieces can overcome error factors to achieve consistency; the multi-station grinding and polishing machine has the advantages of being capable of independently and simultaneously working at multiple stations, reducing energy consumption, reducing precision errors of all stations of multi-station grinding and polishing equipment, enabling grinding and polishing quality to be higher, and being high in good machining precision, high in product consistency, low in machining cost, low in assembly cost and high in production efficiency.

In the present embodiment, the measuring unit 23 is a force control sensor. The force control sensor ensures that the forces applied to the workpieces during polishing are equal by detecting the micro-movement of the workpiece clamping part 24, and indirectly ensures that the distances between the workpieces and the grinding disc are the same; in addition, the force-controlled sensor can actively realize small compensation for small displacements (several millimeters) in the X-axis, Y-axis and Z-axis.

The force control sensor is used for measuring the reaction force when the workpiece is in contact with the grinding disc, the control module calculates the reaction force, the reaction force is converted into the number of turns of the rotation of the motor, and the motor drives the small bottom plate 21 to move forwards or backwards slightly, so that the size of the reaction force is changed, and the reaction force is stabilized in a set range. The force is stabilized in the set range, the grinding amount of grinding workpieces of all stations can be guaranteed to be the same, the grinding amount is the same, and finally products obtained by grinding have high consistency.

Of course, the measuring part 23 may be a distance sensor according to actual conditions. The distance sensor dynamically detects the distance deviation of the workpiece relative to the grinding disc during grinding, dynamically and automatically inputs a corrected numerical value, and independently moves the workpiece clamping part 24 to ensure that the distance of the workpiece relative to the grinding disc is equal.

In addition to the force control sensor and the distance sensor, the workpiece clamping portion 24 can be moved independently by manually measuring the height difference of each grinding disc and inputting a correction value, thereby ensuring that the distance of the workpiece relative to the grinding disc is equal.

In this embodiment, the small bottom plate 21 is provided with a sliding block at the bottom, and the large bottom plate 1 is provided with a sliding groove for sliding the sliding block.

Specifically, the workpiece clamping portion 24 includes an installation seat 241 installed on the measuring portion 23, a rotary table mechanism 242 is installed on the installation seat 241, a hollow rotary output shaft 243 is connected to the upper end of the rotary table mechanism 242 in a rotating mode, a motor 244 used for driving the hollow rotary output shaft 243 to rotate is installed on one side of the rotary table mechanism 242, an air cylinder 245 is installed on the hollow rotary output shaft 243, and a jig clamping member 246 penetrating through a jig is installed on an output shaft of the air cylinder 245. The motor 244 is a servo motor, a stepper motor, or a linear motor.

Of course, depending on the actual situation, the workpiece may be clamped by the air cylinder 245, and a magnet-attraction or vacuum-attraction manner may be adopted.

In the present embodiment, the turntable mechanism 242 is a divider. Of course, a speed reducer or a DD motor may be used according to the actual situation.

Specifically, the driving portion 22 is a screw mechanism driven by a motor. The motor is a servo motor, a stepping motor or a linear motor.

The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims of the present application.

Claims

1. The utility model provides a multistation grinds quick-witted fine-tuning, characterized by: the device comprises a small bottom plate capable of sliding along an X axis and a Y axis and a driving part for driving the small bottom plate to slide along the X axis and the Y axis, wherein the small bottom plate is provided with a measuring part, and the measuring part is provided with a workpiece clamping part; the measuring part and the driving part are respectively electrically connected with the control module.

2. The fine adjustment mechanism of the multi-station grinder as claimed in claim 1, wherein: the measuring part is a distance sensor.

3. The fine adjustment mechanism of the multi-station grinder as claimed in claim 1, wherein: the measuring part is a force control sensor.

4. A multi-station grinder fine-tuning mechanism as claimed in claim 2 or 3, wherein: the workpiece clamping portion comprises a mounting seat mounted on the measuring portion, a rotary table mechanism is mounted on the mounting seat, the upper end of the rotary table mechanism is rotatably connected with a hollow rotary output shaft, a motor used for driving the hollow rotary output shaft to rotate is mounted on one side of the rotary table mechanism, a cylinder is mounted on the hollow rotary output shaft, and a jig clamping piece penetrating through a jig is mounted on the output shaft of the cylinder.

5. The micro-adjustment mechanism of the multi-station grinder as claimed in claim 4, wherein: the turntable mechanism is a divider.

6. A multi-station grinder fine-tuning mechanism as claimed in claim 2 or 3, wherein: the driving part is a screw rod mechanism driven by a motor.