CN110450017B

CN110450017B - One-time clamping inner diameter grinding machine special for caliper

Info

Publication number: CN110450017B
Application number: CN201910723708.2A
Authority: CN
Inventors: 汪直
Original assignee: Anhui Sanmetric Cutting Tools Co ltd
Current assignee: Anhui Sanmetric Cutting Tools Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2021-09-21
Anticipated expiration: 2039-08-07
Also published as: CN110450017A

Abstract

The invention relates to a one-time clamping inner diameter grinding machine special for a caliper, which comprises a machine tool, wherein an X-axis sliding mechanism and a Y-axis sliding mechanism are arranged on the machine tool, the Y-axis sliding mechanism is arranged on the X-axis sliding mechanism, a workbench is arranged on the Y-axis sliding mechanism, the workbench is inclined, and a clamp is fixedly arranged on the workbench; in addition, two grinding mechanisms are fixedly arranged on the machine tool, each grinding mechanism comprises a servo motor and a grinding head connected with the servo motor, and the grinding heads are symmetrically arranged on two sides of the Y-axis sliding mechanism; the grinding head is disc-shaped and is positioned on one side of the workbench far away from a user; the inner diameter grinding machine special for the caliper is used for grinding the arc inner measuring surface by adopting two grinding mechanisms which are oppositely arranged, and the inner measuring surface can be ground only by clamping once; the workpiece does not need to be overturned for the second time and is positioned and fixed again, the working precision is high, and the grinding machining efficiency is high.

Description

One-time clamping inner diameter grinding machine special for caliper

Technical Field

The invention belongs to the field of caliper processing, and particularly relates to the field of caliper inner diameter grinding machines.

Background

The measuring surface of the vernier caliper comprises an outer measuring surface and an inner measuring surface, and generally, the grinding of the measuring surface of the vernier caliper is carried out by grinding the outer measuring surface firstly, after the outer measuring surface is machined, the outer measuring surface is installed through a measuring block in a matching way and serves as a reference datum, and then the grinding of the inner measuring surface is carried out, so that the grinding of the outer measuring surface needs to achieve high flatness and straightness. For the machine tool on the market at present, no special equipment for grinding the measuring surface of the vernier caliper is provided, and the processing difficulty is very high; the existing technology for grinding the measuring surface of the vernier caliper still stays in a manual grinding stage, the manual grinding has high technical requirements on operators, the product quality is directly influenced by the emotion of the operators, the efficiency is low, the quality precision is low, and the method is not suitable for high-precision large-scale high-yield production and processing of the vernier caliper; at present, the two kinds of vernier caliper arc inner measuring surface sizes b are machined in a home-made special machine tool in a grinding mode, the used clamp cannot be turned, a part can be machined only by clamping twice, and the clamp is used for grinding the arc inner measuring surface and only needs to clamp once.

Disclosure of Invention

In order to solve the problems, the invention achieves the purposes through the following technical scheme:

the once-clamping inner diameter grinding machine special for the caliper comprises a machine tool, wherein an X-axis sliding mechanism and a Y-axis sliding mechanism are arranged on the machine tool, the Y-axis sliding mechanism is arranged on the X-axis sliding mechanism, a workbench is arranged on the Y-axis sliding mechanism, the workbench is inclined, and a clamp is fixedly arranged on the workbench; in addition, two grinding mechanisms are fixedly arranged on the machine tool, each grinding mechanism comprises a servo motor and a grinding head connected with the servo motor, and the grinding heads are symmetrically arranged on two sides of the Y-axis sliding mechanism; the grinding head is disc-shaped and is positioned on one side of the workbench far away from a user; a positioning structure is fixedly arranged on the table top of the workbench; the positioning structure comprises a rotating seat, a rotating arm hinged with the rotating seat and a micrometer caliper fixedly connected with the rotating arm; the inner side surface of the caliper is convenient to position when in use; a pressure touch switch is fixedly arranged at the end part of the workbench close to the user; the rotating arm is also provided with a pressing block, and the pressing block is pressed on the press-contact switch; when the micrometer caliper is used for positioning, the servo motor is not electrified; only when the pressing block on the rotating arm presses the press-touch switch, the servo motor can be electrified; therefore, the device is safer and more reliable, and prevents accidental injury.

As a further optimization scheme of the invention, the clamp comprises a base and a rotating handle; a first fixing piece and a second fixing piece are arranged between the base and the handle, and the whole body is quadrilateral; one end of each of the first fixing piece and the second fixing piece is hinged with two end parts of the base respectively, the other end of the first fixing piece is hinged with the middle part of the handle, and the other end of the second fixing piece is hinged with the end part of the handle; and a clamping head is fixedly arranged on the second fixing sheet.

As a further optimization scheme of the invention, the chuck is of a sandwich structure, the outer part of the chuck is made of rubber, and the inner part of the chuck is made of hard material; the clamping force of the clamping head can be guaranteed, and the surface of the caliper can be prevented from being damaged by hard materials.

As a further optimization scheme of the invention, the workbench is also provided with a limiting column, and the limiting column is arranged on the table surface of the workbench close to one side of the grinding mechanism; the slide caliper rule is prevented from moving during grinding, and the grinding effect is prevented from being influenced.

As a further optimization scheme of the invention, the workbench is provided with a groove, the depth of the groove is less than the thickness of the caliper, and a vernier of the caliper is embedded in the groove.

The invention has the beneficial effects that:

1) according to the invention, two grinding mechanisms which are oppositely arranged are used for grinding the arc inner measuring surface, and the inner measuring surface can be ground only by once clamping;

2) the workpiece does not need to be turned over for the second time and is positioned and fixed again, so that the working precision is high, and the grinding efficiency is high;

3) through setting up the workstation of slope, can cause the grinding face to appear the wave or unsteady unevenness line in succession during the grinding, seriously influence the plane degree and the straightness accuracy of slide caliper measuring surface.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the clamp and the positioning mechanism of the present invention;

in the figure: 1. a machine tool; 11. an X-axis sliding mechanism; 12. a Y-axis slide mechanism; 2. a work table; 3. a clamp; 31. a base; 32. a handle; 33. a first fixing sheet; 34. a second fixing sheet; 35. a chuck; 4. a grinding mechanism; 41. a servo motor; 42. grinding the head; 5. a positioning mechanism; 51. a rotating base; 52. a rotating arm; 521. briquetting; 53. a micrometer screw; 6. a press-touch switch; 7. a limiting column; 8. and (4) a groove.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

The first embodiment is as follows:

as shown in fig. 1 to 2, the caliper-dedicated one-time clamping inner diameter grinding machine includes a machine tool 1, wherein the machine tool 1 is provided with an X-axis sliding mechanism 11 and a Y-axis sliding mechanism 12 arranged on the X-axis sliding mechanism 11, and the Y-axis sliding mechanism 12 is provided with a worktable 2;

the table top on the working table 2 is inclined, and a clamp 3 is fixedly arranged on the table top; in addition, two grinding mechanisms 4 are fixedly arranged on the machine tool 1, wherein each grinding mechanism 4 comprises a servo motor 41 and a grinding head 42 connected with the servo motor 41 and is oppositely and symmetrically arranged on two sides of the Y-axis sliding mechanism 12; the grinding head 42 is disc-shaped and is positioned on one side of the workbench 2 away from a user; the clamp 3 comprises a base 31 and a handle 32; a first fixing plate 33 and a second fixing plate 34 are arranged between the base 31 and the handle 32, and the whole body is quadrilateral; one end of each of the first and

second fixing pieces

33, 34 is hinged to both ends of the base 31, the other end of the first fixing piece 33 is hinged to the middle of the handle 32, and the other end of the second fixing piece 34 is hinged to the end of the handle 32; a clamping head 35 is also fixedly arranged on the second fixing plate 34; the chuck 35 is of a sandwich structure, the chuck 35 is made of rubber materials at the outer part and made of hard materials at the inner part;

in order to facilitate the effective positioning of the inner measuring claw of the caliper and the further grinding, a positioning structure 5 is fixedly arranged on the table surface of the workbench 2; the positioning structure 5 comprises a rotating base 51, a rotating arm 52 hinged with the rotating base 51, and a micrometer screw 53 fixedly connected with the rotating arm 52;

in order to ensure the grinding safety, a power switch is required to be disconnected during positioning to prevent mistaken collision, so a pressure touch switch 6 is fixedly arranged at the end part of the workbench 2 close to a user; a pressing block 521 is further arranged on the rotating arm 52, and the pressing block 521 is pressed on the press-contact switch 6;

the worktable 2 is also provided with a limiting column 7, and the limiting column 7 is arranged on the table surface of the worktable 2 close to one side of the grinding mechanism 4;

a groove 8 is formed in the workbench 2, and the depth of the groove 8 is smaller than the thickness of the caliper.

The working process and the principle of the inner diameter grinding machine special for the caliper are as follows:

when the caliper is used, the caliper is reversely placed on an inclined workbench, a vernier scale on the caliper is embedded into the groove 8, the clamping jaws of the outer measuring surface are clamped on two sides of the limiting column 7, then the rotating arm 51 of the positioning structure 5 and the spiral micrometer 53 on the rotating arm 51 are rotated to the other side from one side of the press-contact switch 6 together, the surface of the inner measuring jaw is positioned through the spiral micrometer 53 on the rotating arm 51, the initial position of the inner measuring jaw is determined, the grinding is convenient to carry out next step, the flatness and the straightness of the measuring surface of the vernier caliper are prevented from being influenced, the caliper is fixed through a clamp on the workbench 2 after the rear position is determined, the rotating arm 51 is rotated to one side of the press-contact switch, and the press block 521 on the rotating arm 52 is pressed on the press-contact switch; when the pressing block 521 leaves the press-touch switch 6, the power supply is in a disconnected state, and the power supply can be switched on only when the pressing block 521 presses the press-touch switch; after the power is switched on, the servo motor 41 drives the disc-shaped grinding head 42 to rotate, and the workbench is controlled to move along the X-axis or Y-axis direction by moving the X-axis sliding mechanism 11 and the Y-axis sliding mechanism 12, so that the inner measuring surface fixed on the caliper on the workbench 2 and the grinding head can be ground in sequence.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. Clamping internal diameter grinding machine once of slide caliper rule special use, including lathe (1), be equipped with X axle slide mechanism (11) on lathe (1) and set up Y axle slide mechanism (12) on X axle slide mechanism (11), its characterized in that: a workbench (2) is arranged on the Y-axis sliding mechanism (12), a table top on the workbench (2) is inclined, a clamp (3) is fixedly arranged on the workbench (2), a groove (8) is formed in the workbench (2), and the depth of the groove (8) is smaller than the thickness of the caliper; in addition, two grinding mechanisms (4) are fixedly arranged on the machine tool (1), each grinding mechanism (4) comprises a servo motor (41) and a grinding head (42) connected with the servo motor (41), and the grinding heads are symmetrically arranged on two sides of the Y-axis sliding mechanism (12) relatively; the grinding head (42) is disc-shaped and is positioned on one side of the workbench (2) far away from a user; a positioning structure (5) is fixedly arranged on the table top of the workbench (2); the positioning structure (5) comprises a rotating seat (51), a rotating arm (52) hinged with the rotating seat (51), and a micrometer caliper (53) fixedly connected with the rotating arm (52); a press touch switch (6) is fixed on the end part of the workbench (2) close to the user; the rotating arm (52) is also provided with a pressing block (521), and the pressing block (521) presses the press-contact switch (6).

2. The caliper-dedicated one-time clamping inner diameter grinding machine according to claim 1, characterized in that: the clamp (3) comprises a base (31) and a handle (32); a first fixing piece (33) and a second fixing piece (34) are arranged between the base (31) and the handle (32), and the whole body is quadrilateral; one end of each of the first fixing plate (33) and the second fixing plate (34) is hinged with two end parts of the base (31), the other end of the first fixing plate (33) is hinged with the middle part of the handle (32), and the other end of the second fixing plate (34) is hinged with the end part of the handle (32); and a clamping head (35) is also fixedly arranged on the second fixing piece (34).

3. The caliper-dedicated one-time clamping inner diameter grinding machine according to claim 2, characterized in that: the chuck (35) is of a sandwich structure, the outside of the chuck (35) is made of rubber, and the inside of the chuck is made of hard materials.

4. The caliper-dedicated one-time clamping inner diameter grinding machine according to claim 1, characterized in that: the grinding machine is characterized in that a limiting column (7) is further arranged on the workbench (2), and the limiting column (7) is arranged on the table surface of the workbench (2) close to one side of the grinding mechanism (4).