CN106239469B

CN106239469B - Mark marking device

Info

Publication number: CN106239469B
Application number: CN201610842158.2A
Authority: CN
Inventors: 李鲁林; 尚祖斌
Original assignee: Avic Shijinshi Testing Technology Co ltd
Current assignee: Avic Touchstone Testing Technology Dachang Co ltd
Priority date: 2016-09-22
Filing date: 2016-09-22
Publication date: 2022-09-20
Anticipated expiration: 2036-09-22
Also published as: CN106239469A

Abstract

The invention discloses a mark marking device which comprises a fixed working platform, a movable working platform, a driving mechanism, a manual marking mechanism and a workpiece clamping mechanism, wherein the movable working platform is arranged on the fixed working platform, the workpiece clamping mechanism is fixedly arranged on the movable working platform, the manual marking mechanism is fixedly arranged on the fixed working platform, and the driving mechanism drives the movable working platform to move on the fixed working platform. According to the invention, the size feed amount is controlled by adopting automatic control, the marking is carried out by adopting a manual marking device, the marking machine does not need to be adjusted back and forth, the operation is simple, and the bar workpiece and the plate workpiece can be accurately marked; and the automatic operation marking device of the stepping motor is used, so that the marking efficiency is higher.

Description

Mark marking device

Technical Field

The invention relates to the technical field of bar and plate marking devices for metal and non-metal material tests, in particular to a marking and marking device.

Background

The existing scribing machines on the market at present are poor in precision and complex in adjustment, and are required for mechanical scribing. The distance of the scribing distance is adjusted through a hand wheel; some adopt the way of dotting, but the depth of the point is inconsistent, can't meet customer's requirement; some scribing technologies are adopted, but the dimension between the scribing lines exceeds the standard specified requirement, and the precision of the dimension between the scribing lines is low; some scribing is slow, and the scribing efficiency is extremely low.

Disclosure of Invention

The invention aims to provide the marking and scribing device which is simple to operate, has high scribing data accuracy and greatly improves the scribing efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme: the invention provides a mark marking device, which comprises a fixed working platform, a movable working platform, a driving mechanism, a manual marking mechanism and a workpiece clamping mechanism, wherein the movable working platform is arranged on the fixed working platform; the scribing distance of the scribing device is automatically adjusted through the driving mechanism, so that the scribing machine is high in precision and simple to operate, and bar-shaped workpieces and plate workpieces can be scribed.

According to the mark scribing device, the workpiece clamping mechanism comprises a first support frame, a second support frame, a fixed center and a telescopic center, the first support frame and the second support frame are respectively and fixedly arranged on the movable working platform, the fixed center is arranged on the first support frame, and the telescopic center is arranged on the second support frame; the fixed center and the telescopic center are coaxial, and the apical end of the fixed center is opposite to the apical end of the telescopic center. The telescopic centre can be used for telescopic adjustment according to the length of the rod-shaped workpiece needing to be scribed, and is flexible and convenient to use

In the marking and scribing device, the manual scribing mechanism comprises a tool rest and a manual scribing tool; one end of the tool rest is fixedly arranged on the fixed working platform, and the manual scribing tool is arranged on the other end of the tool rest; one end of the manual scribing cutter is a feeding handle end, the other end of the manual scribing cutter is a scribing working end, and a fixed blade or a scribing wheel is installed on the scribing working end.

In the marking and scribing device, the manual scribing cutter and the cutter frame are relatively and fixedly installed together through the mutually matched slide way and the slide block, and the slide block moves along the slide way under the action of external force, so that the slide block drives the manual scribing cutter to move; one of the manual scribing cutter and the tool rest is provided with a slide way, and the other of the manual scribing cutter and the tool rest is provided with a slide block; through the cooperation of the slide way and the slide block, the manual scribing cutter can freely slide on the cutter rest.

In the marking and scribing device, the other end of the tool rest comprises two or more slide rails, and the space between the slide rails is the slide way; the slide block is mounted on the manual scribing cutter between the feed handle end and the scribing work end, and the slide block is positioned in the slide way between the slide rails.

In the marking and scribing device, the slide rails are four arc slide rails, and any three slide rails are not on the same plane.

According to the mark scribing device, the manual scribing mechanism further comprises a backup plate and a clamp, one end of the backup plate is fixedly connected with the tool rest, the other end of the backup plate extends to the position above a plate-shaped workpiece placed on the table top of the movable working platform, and the clamp clamps the plate-shaped workpiece on the table top of the movable working platform. When the plate-shaped workpiece is scribed, the backup plate plays a role in scribing guide, and the phenomenon of scribing deflection is avoided.

In the marking and scribing device, the driving mechanism comprises a stepping motor and a lead screw, the stepping motor is in driving connection with the lead screw, two ends of the lead screw are fixedly arranged on the fixed working platform, and the lead screw is in driving connection with the movable working platform; the marking and scribing device further comprises a microcomputer and a controller, wherein a scribing data output end of the microcomputer is in communication connection with a scribing data input end of the controller, and a control signal output end of the controller is in communication connection with a control signal input end of the stepping motor.

In the marking and scribing device, the fixed working platform is provided with a lead screw installation groove, and lead screw positioning blocks are arranged at two ends of the lead screw installation groove; the bottom of the movable working platform is provided with a driving block, and the driving block is provided with a through hole with internal threads; one end of the lead screw penetrates through the through hole and extends into the shaft hole in one of the lead screw positioning blocks, and the other end of the lead screw penetrates through the shaft hole in the other lead screw positioning block and is connected with the power output end of the stepping motor; the stepping motor drives the driving block to reciprocate in the screw rod mounting groove through the screw rod, and the driving block drives the movable working platform to move together.

In the marking and scribing device, the cross section of the fixed working platform is in an I shape; the movable working platform is characterized in that movable supporting plates are fixedly mounted on two longitudinal side edges of the movable working platform respectively, sliding grooves are formed in the movable supporting plates, and two upper edges of the I-shaped fixed working platform are located in the sliding grooves respectively; the screw rod mounting groove is formed in the upper surface of the I-shaped fixed working platform. The sliding grooves in the movable supporting plate are clamped on the two upper edges of the fixed working platform, so that the movable working platform is prevented from moving unstably when moving along with the driving mechanism during working, and the condition that the scribing precision is influenced is prevented.

The invention has the following beneficial effects:

the marking and scribing device disclosed by the invention adopts automatic control to control the size feeding amount, adopts a manual scribing device to scribe, does not need to adjust a scribing machine back and forth, is simple to operate, and can accurately scribe bar workpieces and plate workpieces; and the automatic operation marking device of the stepping motor is used, so that the marking efficiency is higher.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

FIG. 1 is a schematic view of the entire structure of the marking device of the present invention;

FIG. 2 is a schematic front view of the marking device of the present invention;

fig. 3 is a schematic side view of the marking device of the present invention.

In the figure: 1-fixing the centre; 2-backing plate; 3-a rod-shaped workpiece; 4-a movable working platform; 5-a plate-shaped workpiece; 6-telescopic centre; 7-a stepper motor; 8-a tool rest; 9-a handle end; 10-a blade; 11-scribing the working end; 12-a first support frame; 13-a second support; 14-a slide; 15-a slide block; 16-a lead screw; 17-a lead screw mounting groove; 18-a lead screw positioning block; 19-fixing the working platform; 20-a movable supporting plate; 21-sliding rail.

Detailed Description

In order to more clearly illustrate the invention, the invention is further described below with reference to preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.

As shown in fig. 1 to 3, the mark marking device of the present embodiment includes a fixed working platform 19, a movable working platform 4, a driving mechanism, a manual marking mechanism, a workpiece clamping mechanism, a microcomputer and a controller, wherein the movable working platform 4 is mounted on the fixed working platform 19, the workpiece clamping mechanism is fixedly mounted on the movable working platform 4, the manual marking mechanism is fixedly mounted on the fixed working platform 19, and the driving mechanism drives the movable working platform 4 to move on the fixed working platform 19.

The workpiece clamping mechanism comprises a first support frame 12, a second support frame 13, a fixed center 1 and a telescopic center 6, the first support frame 12 and the second support frame 13 are respectively and fixedly arranged on the movable working platform 4, the fixed center 1 is arranged on the first support frame 12, and the telescopic center 6 is arranged on the second support frame 13; the fixed center 1 and the telescopic center 6 are coaxial, and the apical end of the fixed center 1 and the apical end of the telescopic center 6 are opposite.

The manual marking mechanism comprises a tool rest 8 and a manual marking tool; one end of the tool rest 8 is fixedly arranged on the fixed working platform 19, and the manual scribing tool is arranged on the other end of the tool rest 8; one end of the manual scribing cutter is a feeding handle end 9, the other end of the manual scribing cutter is a scribing working end 11, and a scribing wheel 10 is installed on the scribing working end 11.

The manual scribing cutter and the tool rest 8 are relatively and fixedly installed together through a slide way 14 and a slide block 15 which are matched with each other, and the slide block 15 moves along the slide way 14 under the action of external force, so that the slide block 15 drives the manual scribing cutter to move; in this embodiment, the tool rest 8 is provided with a slide way 14, and the manual scribing tool is provided with a slide block 15. The other end of the tool rest 8 comprises four slide rails 21, the slide rails 21 are four arc slide rails, and any three slide rails 21 are not on the same plane; the space between the slide rails 21 is the slide way 14; the slide 15 is mounted on the manual line marking tool between the feed handle end 9 and the line marking work end 11, and the slide 15 is located within the slide 14 between the slide rails 21.

The manual marking mechanism in the embodiment further comprises a backup plate 2 and a clamp, one end of the backup plate 2 is fixedly connected with the tool rest 8, the other end of the backup plate 2 extends to the position above the plate-shaped workpiece 5 placed on the table top of the movable working platform 4, and the clamp clamps the plate-shaped workpiece 5 on the table top of the movable working platform 4.

The driving mechanism comprises a stepping motor 7 and a lead screw 16, the stepping motor 7 is in driving connection with the lead screw 16, two ends of the lead screw 16 are fixedly installed on the fixed working platform 19, and the lead screw 16 is in driving connection with the movable working platform 4; and the scribing data output end of the microcomputer is in communication connection with the scribing data input end of the controller, and the control signal output end of the controller is in communication connection with the control signal input end of the stepping motor 7.

A lead screw installation groove 17 is formed in the fixed working platform 19, and lead screw positioning blocks 18 are arranged at two ends of the lead screw installation groove 17; the bottom of the movable working platform 4 is provided with a driving block, and a through hole with internal threads is formed in the driving block; one end of the lead screw 16 penetrates through the through hole and extends into a shaft hole in one lead screw positioning block 18, and the other end of the lead screw 16 penetrates through a shaft hole in the other lead screw positioning block 18 and is connected with a power output end of the stepping motor 7; the stepping motor 7 drives the driving block to reciprocate in the screw rod mounting groove 17 through the screw rod 16, and the driving block drives the movable working platform 4 to move together.

The cross section of the fixed working platform 19 is I-shaped; two longitudinal side edges of the movable working platform 4 are respectively and fixedly provided with a movable supporting plate 20, the movable supporting plate 20 is provided with a sliding groove, and two upper edges of the I-shaped fixed working platform 19 are respectively positioned in the sliding grooves; the lead screw mounting groove 17 is formed in the upper surface of the i-shaped fixed work platform 19.

When the bar-shaped workpiece needs to be scribed: firstly, the distance between the fixed center 1 and the telescopic center 6 is adjusted through the telescopic center 6, so that a rod-shaped workpiece can be clamped between the fixed center 1 and the telescopic center 6, and a manual scribing mechanism is adjusted. Secondly, according to the scribing requirements (such as scribing distance and the like), scribing data is input into the microcomputer, the controller controls the stepping motor 7 to rotate or stop rotating according to the scribing data, and controls the number of rotation turns of the output shaft of the stepping motor 7, the stepping motor 7 drives the lead screw 16 to rotate together, the rotation of the lead screw 16 is finally converted into the linear motion of the rod-shaped workpiece, and the linear workpiece stops when moving to a preset position. Finally, the slide block 15 is moved along the arc-shaped slide way 14 by manually operating the handle end 9, so that the scribing wheel 10 can scribe a line on the surface of the bar-shaped tool in the circumferential direction of the bar-shaped workpiece. Because the rotation turns and the start and stop of the stepping motor 7 can be accurately controlled, the rotation turns of the lead screw 16 can also be accurately controlled, so that the linear motion distance of the rod-shaped workpiece 3 can also be accurately controlled, and the feeding precision is 0.005 mm; and the feeding amount can be programmed and controlled according to the requirement (the stepping motor starts to operate after receiving the instruction, the operation is stopped for a period of time once, and the line is manually marked once until the program is finished).

When the plate-shaped workpiece 5 needs to be scribed, the clamp is utilized to tightly clamp the plate-shaped workpiece 5 and the table top of the movable working platform 4 together, scribing data is input into a microcomputer according to scribing requirements (such as scribing intervals and the like), a controller controls the stepping motor 7 to rotate or stop rotating according to the scribing data, and controls the number of rotation turns of an output shaft of the stepping motor 7, the stepping motor 7 drives the lead screw 16 to rotate together, the rotation of the lead screw 16 is finally converted into linear motion of the plate-shaped workpiece 5, and the linear motion stops when the plate-shaped workpiece 5 moves to a preset position. Finally, the plate-shaped workpiece 5 is scribed along the edge of the backup plate 2 by a manually operated scribe pin. Because the rotation turns and the start and stop of the stepping motor 7 can be accurately controlled, the rotation turns of the lead screw 16 can also be accurately controlled, so that the linear motion distance of the plate-shaped workpiece 5 can also be accurately controlled, and the feeding precision is 0.005 mm; and the feeding amount can be programmed and controlled according to the requirement (the stepping motor starts to operate after receiving the instruction, the operation is stopped for a period of time once, and the line is manually marked once until the program is finished).

It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.

Claims

1. The mark marking device is characterized by comprising a fixed working platform (19), a movable working platform (4), a driving mechanism, a manual marking mechanism and a workpiece clamping mechanism, wherein the movable working platform (4) is arranged on the fixed working platform (19), the workpiece clamping mechanism is fixedly arranged on the movable working platform (4), the manual marking mechanism is fixedly arranged on the fixed working platform (19), and the driving mechanism drives the movable working platform (4) to move on the fixed working platform (19);

the workpiece clamping mechanism comprises a first support frame (12), a second support frame (13), a fixed tip (1) and a telescopic tip (6), the first support frame (12) and the second support frame (13) are respectively and fixedly installed on the movable working platform (4), the fixed tip (1) is installed on the first support frame (12), and the telescopic tip (6) is installed on the second support frame (13); the fixed centre (1) and the telescopic centre (6) are coaxial, and the apical end of the fixed centre (1) is opposite to the apical end of the telescopic centre (6);

the manual marking mechanism comprises a tool rest (8) and a manual marking tool; one end of the tool rest (8) is fixedly arranged on the fixed working platform (19), and the manual scribing tool is arranged on the other end of the tool rest (8); one end of the manual scribing cutter is a feeding handle end (9), the other end of the manual scribing cutter is a scribing working end (11), and a fixed blade or a scribing wheel (10) is installed on the scribing working end (11);

the manual marking tool and the tool rest (8) are relatively and fixedly installed together through a slide way (14) and a slide block (15) which are matched with each other, and the slide block (15) moves along the slide way (14) under the action of external force, so that the slide block (15) drives the manual marking tool to move; one of the manual scribing cutter and the tool rest (8) is provided with a slide way (14), and the other of the manual scribing cutter and the tool rest (8) is provided with a slide block (15);

the other end of the tool rest (8) comprises four arc-shaped sliding rails (21), and any three sliding rails (21) are not on the same plane; the space between the slide rails (21) is the slide way (14); the slide block (15) is arranged on the manual marking tool between the feed handle end (9) and the marking work end (11), and the slide block (15) is positioned in the slide way (14) between the slide rails (21);

the manual marking mechanism further comprises a backup plate (2) and a clamp, one end of the backup plate (2) is fixedly connected with the tool rest (8), the other end of the backup plate (2) extends to the position above a plate-shaped workpiece (5) placed on the table top of the movable working platform (4), and the clamp clamps the plate-shaped workpiece (5) on the table top of the movable working platform (4);

the driving mechanism comprises a stepping motor (7) and a lead screw (16), the stepping motor (7) is in driving connection with the lead screw (16), two ends of the lead screw (16) are fixedly installed on the fixed working platform (19), and the lead screw (16) is in driving connection with the movable working platform (4); the mark marking device also comprises a microcomputer and a controller, wherein the marking data output end of the microcomputer is in communication connection with the marking data input end of the controller, and the control signal output end of the controller is in communication connection with the control signal input end of the stepping motor (7);

a lead screw mounting groove (17) is formed in the fixed working platform (19), and lead screw positioning blocks (18) are arranged at two ends of the lead screw mounting groove (17); a driving block is arranged at the bottom of the movable working platform (4), and a through hole with internal threads is formed in the driving block; one end of the lead screw (16) penetrates through the through hole and extends into a shaft hole in one of the lead screw positioning blocks (18), and the other end of the lead screw (16) penetrates through a shaft hole in the other lead screw positioning block (18) and is connected with a power output end of the stepping motor (7); the stepping motor (7) drives the driving block to reciprocate in the lead screw mounting groove (17) through the lead screw (16), and the driving block drives the movable working platform (4) to move together;

the cross section of the fixed working platform (19) is I-shaped; the movable supporting plates (20) are fixedly mounted on two longitudinal side edges of the movable working platform (4) respectively, sliding grooves are formed in the movable supporting plates (20), and two upper edges of the I-shaped fixed working platform (19) are located in the sliding grooves respectively; the screw rod installation groove (17) is formed in the upper surface of the I-shaped fixed working platform (19).