CN204277780U - Cylindrical grinder magnetic force fills by grinder - Google Patents

Abstract

The utility model discloses a magnetic force grinding tool for an outer cylindrical grinder, which comprises an outer cylindrical grinder and an outer cylindrical grinder flange driven and rotated by the main shaft of the outer cylindrical grinder, and a disc-shaped connecting mold body is arranged. One end face is connected to the grinding machine flange, and a plurality of counterbores are arranged on the other end face of the connecting mold body, and a powerful magnet is arranged in each of the counterbores, and a copper sleeve is provided outside the powerful magnet for An isolation is created between the powerful magnet and the connection phantom. The tooling of the utility model replaces the troubles of space interference and inconvenient operation caused by using jaws and pressing plates to fix products in the past, and solves the problem of high-efficiency and high-precision processing.

Description

Magnetic grinding tooling for cylindrical grinder

Technical field:

The utility model relates to a magnetic force grinding tool for an outer cylindrical grinder.

Background technique:

The universal cylindrical grinding machine is a grinding machine for processing the outer surface and the shaft shoulder end surface of the cylindrical, conical or other shapes of the workpiece. The workpiece is supported between the two tops of the headstock and the tailstock, and is rotated by the dial of the headstock for circular feed motion. The headstock and tailstock are mounted on the workbench and can be used for longitudinal reciprocating feed movement. The grinding wheel frame is attached with an internal grinding attachment. The grinding wheel frame and the head frame can adjust an angle around the vertical axis. In addition to the dial rotation on the head frame, the spindle can also rotate, which can be used for end face grinding of products.

The transmission plate and gear parts in the robot not only have high-precision requirements for the teeth and inner holes, but also have high-precision requirements for the end faces, especially flatness and parallelism, and cracks on the surface are not allowed. In order to meet its requirements, a universal cylindrical grinder is used, the head frame is rotated, tooling is made, chamfering is used for positioning, and the end face of the gear is ground; during processing, the product is compressed by screwing a special pressure plate, and the force is not strong It will also affect the flatness of the product, and the operation is very inconvenient, and the efficiency will be very low during processing.

Therefore, although the universal cylindrical grinding machine can perform end face grinding processing of piece gear parts, it cannot realize stable product quality and high-efficiency processing.

Invention content:

In order to overcome the defects of the prior art, the purpose of this utility model is to provide a magnetic force grinding tool for cylindrical grinders, which uses powerful magnets to absorb and fix products, replacing the space brought by the previous use of claws and pressure plates to fix products Interference, inconvenient operation and other troubles, solve the problem of high efficiency and high precision processing.

The utility model solves the technical problem and adopts the following technical solutions:

The cylindrical grinding machine uses magnetic force grinding tooling, including the cylindrical grinding machine and the flange of the cylindrical grinding machine driven by the spindle of the cylindrical grinding machine, and a disc-shaped connecting mold body is set. One end surface of the connecting mold body is connected to the On the flange of the grinding machine, a plurality of counterbore holes are provided on the other end face of the connecting mold body, and a powerful magnet is provided in each of the counterbore holes, and a copper sleeve is provided on the outside of the powerful magnet for connecting the powerful magnet to the Separation between phantoms is formed.

A plurality of said counterbores are equally distributed along the circumferential direction on the outer end surface of said connecting mold body, the quantity of counterbore holes is 6-8, and the center of each said counterbore is provided with a screw hole, and each said powerful magnet It is fixed in the counterbore by cross countersunk head screws, and the copper sleeve is pressed between the powerful magnet and the inner wall of the counterbore.

One side end surface of the connecting mold body is connected to the grinder flange by hexagonal cylinder head screws.

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

The cylindrical grinding machine of the utility model uses magnetic force to grind the tooling to achieve the following functions:

(1) It is convenient to clamp the product, and can perform full-section grinding, and the precision and processing efficiency of the product will be greatly improved;

(2) By adjusting the number and arrangement of powerful magnets, the magnitude of the magnetic force can be controlled, so that it is suitable for different products;

(3) Wrap the powerful magnet with a copper sleeve to control the magnetic direction and avoid magnetic transmission to the connecting mold body, resulting in inconvenient operation;

(4) The utility model is simple in structure, economical and practical, and is beneficial to popularization.

Description of drawings:

Fig. 1 is a schematic structural view of the utility model; Fig. 2 is a right view of the connecting phantom in Fig. 1 . In Figure 1, the arrow in part A shows the moving direction of the guide rail, the arrow in part B shows the feeding direction of the grinding wheel, and the arrow in part C shows the rotation direction of the spindle and tooling.

Symbols in the figure: 1 spindle of cylindrical grinding machine, 2 flange of cylindrical grinding machine, 3 connecting die body, 4 strong magnet, 5 copper sleeve, 6 counterbore, 7 screw hole, 8 hexagonal cylindrical screw, 9 product, 10 straight pin.

The utility model will be further described below through specific embodiments in conjunction with the accompanying drawings.

detailed description:

Embodiment: Referring to Fig. 1-2, the magnetic force grinding tool for the cylindrical grinder of this embodiment has: the cylindrical grinder and the flange 2 of the cylindrical grinder driven and rotated by the spindle 1 of the cylindrical grinder, and a disc-shaped The connecting die body 3, one end face of the connecting die body is connected to the grinding machine flange 2 by hexagonal cylindrical head screws 8, and a plurality of counterbores 6 are arranged on the other end face of the connecting die body, each counter bore 6 A powerful magnet 4 is provided, and a copper sheath 5 is wrapped outside the powerful magnet 4 to form isolation between the powerful magnet and the connecting die body.

There are 6-8 counterbores 6 distributed equally along the circumferential direction on the outer end surface of the connecting mold body 3, and the center of each counterbore 6 is provided with a screw hole 7, and each counterbore is fixed by a cross countersunk head screw 8 There is a powerful magnet 4, and the copper sleeve is compressed between the powerful magnet 4 and the counterbore inwall. In the specific setting, by adjusting the number and arrangement of powerful magnets, the magnitude of the magnetic force can be controlled, so that it is suitable for different products.

As shown in Figures 1 and 2, a pin hole is also provided on the outer end surface of the connecting mold body 3. When the product 9 is magnetically adsorbed on the connecting mold body 4, a cylindrical pin 10 is inserted into the pin hole of the connecting mold body 4 to prevent The product rotates in the circumferential direction during the grinding process.

When processing different products, it is only necessary to slightly change the structure of the connecting die. Face grinding is performed with the rotation of the headstock spindle and the feed of the grinding wheel.

The working principle of the utility model:

1) Use powerful magnets 4 to absorb and fix products 9, replacing the previous way of fixing products with claws and pressure plates;

2) Wrap the powerful magnet 4 with a copper sleeve 5 to control the magnetic direction and avoid magnetic transmission to the connecting mold body;

3) When the cylindrical grinder is started, the spindle of the headstock drives the flange 2 of the cylindrical grinder to rotate at high speed, and the product 9 is rotated in a circle by connecting the mold body 3 and the powerful magnet 4 to achieve the purpose of end face grinding.

In specific work, examples illustrate:

End surface allowance a (length direction), process flow:

1. Put the product 9 into the connecting mold body 3;

2. Start the equipment, grind the first surface, and leave a margin of a/2;

3. Suspend the equipment, turn over the product 9 and put it on the connecting mold body 3 again, with the unground surface facing outward;

4. Start the equipment and grind the second surface to the process size.

The magnetic force grinding tooling of the utility model is not only suitable for piece gear parts, but also suitable for other parts with high requirements on the dimensional accuracy, flatness and roughness of the end surface. It only needs to make some changes to the connecting mold body, which is simple. easy.

Claims (3)

1. The magnetic force grinding tool for the cylindrical grinder, including the cylindrical grinder and the flange (2) of the cylindrical grinder driven by the spindle (1) of the cylindrical grinder, is characterized in that a disc-shaped connecting mold body (3 ), one end face of the connecting die body is connected to the grinder flange (2), and a plurality of counterbores (6) are arranged on the other end face of the connecting die body, and each counterbore (6) ) is provided with a powerful magnet (4), and the outside of the powerful magnet (4) is provided with a copper sleeve (5) for forming isolation between the powerful magnet and the connecting mold body. 2. The magnetic force grinding tool for cylindrical grinder according to claim 1, characterized in that, a plurality of counterbores (6) are equally distributed along the circumferential direction on the outer end surface of the connecting die body (3) , the number of countersunk holes is 6-8, the center of each said countersunk hole (6) is provided with a screw hole (7), and each said powerful magnet (4) is fixed on said countersunk head screw (8) In the hole, the copper sleeve is pressed between the powerful magnet (4) and the inner wall of the counterbore. 3. The cylindrical grinding machine according to claim 1 is characterized in that, one side end face of the connecting die body (3) is connected to the grinding machine flange ( 2) on.