CN110465560B

CN110465560B - Laser detector for stamping die

Info

Publication number: CN110465560B
Application number: CN201910783912.3A
Authority: CN
Inventors: 杨丁中
Original assignee: University of Shaoxing
Current assignee: University of Shaoxing
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-11-13
Anticipated expiration: 2039-08-23
Also published as: CN110465560A

Abstract

The invention provides a die laser detection machine, which relates to the field of laser detection and comprises a base, a driving mechanism, an index plate and a die mechanism, wherein the driving mechanism, the index plate and the die mechanism are arranged on the base, the index plate is pivoted on the base, four die tables are arranged on the index plate at equal angles, the driving mechanism can drive the index plate to rotate 90 degrees in a stepping mode, the punching mechanism corresponds to the top of the die tables in position, the die laser detection machine also comprises a laser detection mechanism, a vertical reciprocating mechanism and a linkage mechanism, the laser detection mechanism comprises a laser emitter and a laser receiver which correspond to each other up and down, and the laser emitter and the laser receiver correspond to each. This die laser detector through setting up laser detection mechanism to cooperation link gear and vertical reciprocating mechanism, when the graduated disk step-by-step rotation 90, laser detection mechanism can move down and detect the sheet metal punching press hole in the punching press die platform under vertical reciprocating mechanism's drive, and laser detection mechanism goes on along with the punching press is synchronous.

Description

Laser detector for stamping die

Technical Field

The invention relates to the technical field of laser detection, in particular to a laser detector for a stamping die.

Background

The mold is one of the high-efficiency production tools, and is a very wide and important process equipment used in industrial production. The die is used for producing products and parts, the production efficiency is high, high-speed large-batch production can be realized, raw materials are saved, chip-free processing is realized, the product quality is stable, the interchangeability is good, and the operation is simple.

In the manufacturing process of assembly and the like, some sheet metal parts need to be punched, such as a large annular gasket and the like, for example, a new punching die of chinese patent application No. 201410730251.5. The punching die comprises an upper die plate, a lower die plate and a punching head, wherein an upper die base plate is further arranged below the upper die plate, the punching head is positioned below the upper die base plate, a discharging plate is arranged on the periphery of the punching head, a spring is arranged between the discharging plate and the upper die base plate, and guide cylinders … … are uniformly distributed on the lower surface of the upper die "

Above-mentioned application can punch a hole processing to sheet metal spare when using, but because the metal has plasticity, has certain probability hole not run through after experiencing the punching press, and the mode that has mainly detected through the manual work now can not detect the hole immediately after the punching press is accomplished, wastes time and energy.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a die laser detector capable of synchronously detecting with a die.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a punch die laser detection machine comprises a base, a driving mechanism, an index plate and a punch die mechanism, wherein the driving mechanism, the index plate and the punch die mechanism are arranged on the base, the index plate is pivoted on the base, four punch die tables are arranged on the index plate at equal angles, the driving mechanism can drive the index plate to rotate 90 degrees in a stepping mode, the punch die mechanism corresponds to the top positions of the punch die tables, the punch die laser detection machine further comprises a laser detection mechanism, a vertical reciprocating mechanism and a linkage mechanism, the laser detection mechanism comprises a laser transmitter and a laser receiver which correspond up and down, a through hole is formed in the center of each punch die table, the index plate is provided with a through hole communicated with the punch hole, the laser transmitter is arranged on the vertical reciprocating mechanism and is located above the punch hole, the laser receiver is arranged below the through hole, and the vertical reciprocating mechanism can drive the laser transmitter to move up and down, and the vertical reciprocating mechanism moves in coordination with the driving mechanism through a linkage mechanism.

Preferably, the vertical reciprocating mechanism comprises a cylinder, a connecting rod, a spring, a guide rail arranged at the periphery of the cylinder and a guide rod matched with the guide rail, the top of the base is provided with a support frame, a first support plate and a second support plate are transversely arranged on the support frame from bottom to top, a laser receiver is arranged at the top of the first support plate, the bottom of the cylinder is connected with a laser emitter through the connecting rod, the connecting rod penetrates the second support plate and is movably connected with the second support plate, the laser emitter is positioned below the second support plate, the cylinder is positioned above the second support plate, the spring sleeve is arranged outside the connecting rod and between the cylinder and the second support plate, the top of the cylinder is connected with a linkage mechanism, the guide rail comprises four sections of arc-shaped rails and four sections of vertical rails which are alternately communicated, each section of arc-shaped rail has an radian of 90 degrees from bottom to, the cylinder is fixed on the second support plate through a support.

Preferably, the laser detection mechanism further comprises a sucker, the sucker is arranged at the bottom of the connecting rod, and the laser emitter is arranged in the sucker.

Preferably, actuating mechanism includes motor, drive gear, driven gear, pivot, the motor sets up on the base and links to each other with drive gear, the graduated disk passes through the pivot pin joint on the base, driven gear cover just meshes with drive gear outside the pivot, the tooth that drive gear and driven gear meshing is 90 fan-shaped structure.

Preferably, actuating mechanism still includes square limiting plate and spacing wheel, square limiting plate fixed cover just is located driven gear's top outside the pivot, spacing wheel coaxial coupling is on drive gear, be provided with the sectorial spacing collar that the angle is 240 in the periphery of spacing wheel, spacing wheel sets up with square limiting plate is perpendicular, highly being less than square limiting plate of spacing wheel, highly being higher than square limiting plate of spacing collar, one side of spacing collar is corresponding with the four sides of square limiting plate respectively.

Preferably, the linkage mechanism comprises a driving wheel, a driven wheel, a shaft sleeve and a spline shaft matched in the shaft sleeve, the driving wheel is coaxially arranged at the top of the rotating shaft, the driven wheel is sleeved outside the shaft sleeve and meshed with the driving wheel, the driving wheel and the driven wheel are consistent in size, a third supporting plate is transversely arranged on the supporting frame, the shaft sleeve is pivoted on the third supporting plate, and the spline shaft vertically penetrates through the third supporting plate and is connected with the top of the cylinder.

Preferably, the die stamping mechanism comprises an air cylinder and a punch arranged at the output end of the air cylinder, a support plate four is transversely arranged on the support frame, the air cylinder is vertically arranged at the bottom of the support plate four, and the punch corresponds to the top of the die stamping table.

(III) advantageous effects

The invention provides a laser detector for a stamping die. The method has the following beneficial effects:

1. this die laser detector through setting up laser detection mechanism to cooperation link gear and vertical reciprocating mechanism, when the graduated disk step-by-step rotation 90, laser detection mechanism can move down and detect the metal sheet punching press hole in the punching press die table under vertical reciprocating mechanism's drive, and laser detection mechanism goes on along with going on in step-by-step of punching press, detects and can not omit, efficient, labour saving and time saving.

2. According to the laser detection machine for the stamping die, the vertical reciprocating mechanism drives the laser transmitter to move downwards to the upper side of the stamping die table, the distance between the laser transmitter and the laser receiver can be shortened, the laser receiver is prevented from receiving error signals, the accuracy of receiving signals of the laser receiver is improved, and laser detection is more accurate.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is a schematic view of the drive mechanism of the present invention;

FIG. 3 is a schematic view of a laser detection mechanism of the present invention;

fig. 4 is a working state diagram of the vertical reciprocating mechanism of the invention.

In the figure: 1 base, 11 support frames, 12 support plates I, 13 support plates II, 14 support plates III, 15 support plates IV, 2 driving mechanisms, 21 motors, 22 driving gears, 23 driven gears, 24 square limit plates, 25 limit wheels, 26 limit rings, 27 rotating shafts, 3 dividing plates, 31 through holes, 4 stamping die tables, 41 punching holes, 5 stamping die mechanisms, 51 air cylinders, 52 punches, 6 laser detection mechanisms, 61 laser transmitters, 62 laser receivers, 63 suction cups, 7 vertical reciprocating mechanisms, 71 cylinders, 72 guide rails, 721 arc rails, 722 vertical rails, 73 guide rods, 74 connecting rods, 75 springs, 8 linkage mechanisms, 81 transmission wheels, 82 driven wheels, 83 shaft sleeves and 84 spline shafts.

Detailed Description

The embodiment of the invention provides a die laser detector, which comprises a base 1, and a driving mechanism 2, an index plate 3 and a die mechanism 5 which are arranged on the base 1, as shown in fig. 1-4.

The dividing plate 3 is pivoted on the base 1, and the dividing plate 3 is square. Four stamping die tables 4 are arranged on the dividing plate 3 at equal angles. The four stamping die tables 4 are distributed around the center of the dividing plate 3 at equal angles.

The driving mechanism 2 can drive the dividing plate 3 to rotate 90 degrees in a stepping mode, and the punching die mechanism 5 corresponds to the top of the punching die table 4. The stamping die table 4 is used for stamping, after a metal plate is placed on the stamping die table 4, the stamping die mechanism 5 performs one-time stamping on the metal plate after the driving mechanism 2 drives the dividing plate 3 to rotate for 90 degrees.

The device also comprises a laser detection mechanism 6 for detecting the penetration degree of the punching die, a vertical reciprocating mechanism 7 and a linkage mechanism 8.

As shown in FIG. 3, the laser detection mechanism 6 comprises a laser emitter 61 and a laser receiver 62 which are vertically corresponding, and the laser emitter 61 and the laser receiver 62 are combined into the prior art, and the specific model is JY-LOS-T13-2ZC 1.

The center department of stamping die platform 4 is provided with the hole 41 that punches a hole that runs through, set up on the graduated disk 3 with the through-hole 31 that punches a hole 41 intercommunication, laser emitter 61 sets up at vertical reciprocating mechanism 7 and is located the top of 41 that punches a hole, laser receiver 62 sets up the below at through-hole 31, vertical reciprocating mechanism 7 can drive laser emitter 61 marching type and reciprocate, vertical reciprocating mechanism 7 passes through link gear 8 and actuating mechanism 2 concerted movement.

Through setting up laser detection mechanism 6 to cooperation link gear 8 and vertical reciprocating mechanism 7, when 3 step-by-step rotations 90 of graduated disk, laser detection mechanism 6 can move down and detect the metal sheet punching press hole in punching press platform 4 under vertical reciprocating mechanism's 7 drive, and laser detection mechanism 6 is along with going on in step-by-step of punching press, detects and can not omit, efficient, labour saving and time saving.

As shown in fig. 1, the vertical reciprocating mechanism 7 includes a cylinder 71, a connecting rod 74, a spring 75, a guide rail 72 arranged on the periphery of the cylinder 71, and a guide rod 73 fitted in the guide rail 72, a support frame 11 is arranged on the top of the base 1, a first support plate 12 and a second support plate 13 are transversely arranged on the support frame 11 from bottom to top, the laser receiver 62 is arranged on the top of the first support plate 12, the bottom of the cylinder 71 is connected with the laser emitter 61 through the connecting rod 74, the connecting rod 74 passes through the second support plate 13 and is movably connected with the first support plate 12, the laser emitter 61 is arranged below the second support plate 13, the cylinder 71 is arranged above the second support plate 13, the spring 75 is sleeved outside the connecting rod 74 and is arranged between the cylinder 71 and the second support plate 13, the top of the cylinder 71 is connected with the linkage mechanism 8, the guide rail 72 includes four vertical arc rails, the radian of each section of arc-shaped rail 721 is 90 degrees around the center of the cylinder 71 from bottom to top, and the four sections of arc-shaped rails 721 are alternately communicated with the four sections of vertical rails 722 end to end. The depth of the vertical rail 722 is equal to the distance from the suction cup 63 to the press die table 4. The cylinder 71 is fixed on the second support plate 13 through a bracket.

As shown in fig. 4, when the vertical reciprocating mechanism 7 works, the driving mechanism 2 drives the cylinder 71 to rotate 90 ° through the linkage mechanism 8, and in the process of rotating the cylinder 71, the arc-shaped rail 721 slides along the guide rod 73, so that the cylinder 71 rotates and moves downward, and meanwhile, the connecting rod 74 drives the laser emitter 61 to move to the top position of the stamping die table 4 for detection, and compresses the spring 75. When the cylinder 71 rotates 90 degrees, the guide rod 73 is located at the topmost part of the vertical rail 722, and under the reset function of the spring 74, the cylinder 71 is reset vertically upwards to drive the laser emitter 62 to reset to complete detection.

Vertical reciprocating mechanism 7 drives laser emitter 61 downward movement to the top of stamping die platform 4, can draw close laser emitter 61 and laser receiver 62's distance, prevents that laser receiver 62 from receiving the false signal, improves the rate of accuracy that laser receiver 62 received the signal, makes laser detection more accurate.

As shown in fig. 3, the laser detection mechanism 6 further includes a suction cup 63, the suction cup 63 is disposed at the bottom of the link 74, and the laser emitter 61 is disposed in the suction cup 63. When detecting, connecting rod 74 drives sucking disc 63 and covers the top at stamping die platform 4, makes the laser emitter 61 transmitting signal that is located sucking disc 63 can not receive outside light's influence, improves the rate of accuracy that laser receiver 62 received the signal, makes laser detection more accurate.

As shown in fig. 2, the driving mechanism 2 includes a motor 21, a driving gear 22, a driven gear 23, and a rotating shaft 27, the motor 21 is disposed on the base 1 and connected to the driving gear 22, the dividing plate 3 is pivoted on the base 1 through the rotating shaft 27, the driven gear 23 is sleeved outside the rotating shaft 27 and meshed with the driving gear 22, and teeth of the driving gear 22 meshed with the driven gear 23 are in a sector structure of 90 °.

The driving gear 22 and the driven gear 23 are both bevel gears and are vertically meshed. Since the teeth on the driving gear 22 are only distributed at 90 °, after the driving gear 22 is driven by the motor 21 to rotate for one circle, the driven gear 23 engaged with the driving gear 22 rotates for one quarter of a circle, i.e. circular motion is 90 °.

Actuating mechanism 2 still includes square limiting plate 24 and spacing wheel 25, square limiting plate 24 fixed cover is outside pivot 27 and is located driven gear 23's top, spacing wheel 25 coaxial coupling is on drive gear 22, be provided with the sectorial spacing collar 26 that the angle is 240 on spacing wheel 25's the periphery, spacing wheel 25 sets up with square limiting plate 24 is perpendicular, spacing wheel 25 highly is less than square limiting plate 24, spacing collar 26 highly is higher than square limiting plate 24, one side of spacing collar 26 is corresponding with square limiting plate 24's four sides respectively.

When the teeth on the driving gear 22 are meshed with the driven gear 23, the limiting ring 26 on the limiting wheel 25 is separated from the square limiting plate 24 and is positioned below the square limiting plate 24, and after the teeth on the driving gear 22 are separated from the driven gear 23, the square limiting plate 24 rotates 90 degrees at the moment, and the limiting ring 26 on the limiting wheel 25 begins to slide with the outer edge of the square limiting plate 24 in a clearance mode. The matching between the limit ring 26 and the square limit plate 24 is used for preventing the driven gear 23 from rotating continuously under the action of inertia when the driven gear 23 is separated from the driving gear 23 after rotating for 90 degrees.

As shown in fig. 1, the linkage mechanism 8 includes a driving wheel 81, a driven wheel 82, a sleeve 83 and a spline shaft 84 fitted in the sleeve 83, the driving wheel 81 is coaxially disposed on the top of the rotating shaft 27, the driven wheel 82 is sleeved outside the sleeve 83 and meshed with the driving wheel 81, the driving wheel 81 and the driven wheel 82 have the same size, a third supporting plate 14 is transversely disposed on the supporting frame 11, the sleeve 83 is pivoted on the third supporting plate 14, and the spline shaft 84 vertically penetrates through the third supporting plate 14 and is connected with the top of the cylinder 71.

The indexing disc 3 rotates to drive the driving wheel 81 to rotate through the rotating shaft 27, the driving wheel 81 drives the driven wheel 81 with the same size as the indexing disc to synchronously rotate, the cylinder 71 needs to be lifted in the rotating process, the driven wheel 82 is arranged outside the shaft sleeve 83 through the matching of the shaft sleeve 83 and the spline shaft 84, and the spline shaft 84 can also be lifted in the rotating process.

The die mechanism 5 comprises an air cylinder 51 and a punch 52 arranged at the output end of the air cylinder 51, a support plate four 15 is transversely arranged on the support frame 11, the air cylinder 51 is vertically arranged at the bottom of the support plate four 15, and the punch 52 corresponds to the top of the stamping die table 4.

The working principle is as follows: when the laser detector for the stamping die is used, the stamping mechanism 5 finishes stamping the metal plate on the stamping die table 4. The driving mechanism 2 drives the dividing plate 3 to rotate 90 degrees in a stepping mode, and the dividing plate 3 drives the cylinder 71 to rotate 90 degrees through the linkage mechanism 8. The cylinder 71 drives the suction cup 63 and the laser emitter 61 to descend during rotation. When the cylinder 71 rotates by 90 degrees, the sucker 63 just covers the stamping die table 4, the laser transmitter 61 transmits a signal at the moment, if the laser receiver 62 receives the signal, the stamping of the metal plate is qualified, and if the signal which is customary to the transmitter 61 is not received, the stamping of the metal plate is unqualified. The cylinder 71 is then reset by the spring 75 after the guide rod 73 has entered the vertical rail 722. And circulating the steps to form step-by-step uninterrupted laser detection.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a die laser detector, includes base (1) and actuating mechanism (2), graduated disk (3), die mechanism (5) of setting on base (1), graduated disk (3) pin joint is on base (1), the equidistance is provided with four stamping die platform (4) on graduated disk (3), actuating mechanism (2) can drive graduated disk (3) marching type and rotate 90, die mechanism (5) are corresponding with the top position of stamping die platform (4), its characterized in that: still including laser detection mechanism (6), vertical reciprocating mechanism (7) and link gear (8) that are used for detecting the die penetration degree, laser detection mechanism (6) are including laser emitter (61) and laser receiver (62) that correspond from top to bottom, the center department of punching press die table (4) is provided with punch a hole (41) that run through, set up on graduated disk (3) with through-hole (31) of punching a hole (41) intercommunication, laser emitter (61) set up in vertical reciprocating mechanism (7) and lie in the top of punching a hole (41), laser receiver (62) set up the below at through-hole (31), vertical reciprocating mechanism (7) can drive laser emitter (61) marching type and reciprocate, vertical reciprocating mechanism (7) are through link gear (8) and actuating mechanism (2) concerted motion.

2. The laser inspection machine for die according to claim 1, wherein: the vertical reciprocating mechanism (7) comprises a cylinder (71), a connecting rod (74), a spring (75), a guide rail (72) arranged on the periphery of the cylinder (71) and a guide rod (73) matched in the guide rail (72), a support frame (11) is arranged at the top of the base (1), a first support plate (12) and a second support plate (13) are transversely arranged on the support frame (11) from bottom to top, the laser receiver (62) is arranged at the top of the first support plate (12), the bottom of the cylinder (71) is connected with the laser emitter (61) through the connecting rod (74), the connecting rod (74) penetrates through the second support plate (13) and is movably connected with the second support plate, the laser emitter (61) is positioned below the second support plate (13), the cylinder (71) is positioned above the second support plate (13), and the spring (75) is sleeved outside the connecting rod (74) and positioned between the cylinder (71) and the second support plate (13), the top of the cylinder (71) is connected with the linkage mechanism (8), the guide rail (72) comprises four sections of arc rails (721) and four sections of vertical rails (722) which are alternately communicated, the radian of each section of arc rail (721) is 90 degrees from bottom to top around the center of the cylinder (71), and the cylinder (71) is fixed on the second support plate (13) through a support.

3. The laser inspection machine for die according to claim 2, wherein: the laser detection mechanism (6) further comprises a sucker (63), the sucker (63) is arranged at the bottom of the connecting rod (74), and the laser emitter (61) is arranged in the sucker (63).

4. The laser inspection machine for die according to claim 2, wherein: actuating mechanism (2) include motor (21), drive gear (22), driven gear (23), pivot (27), motor (21) set up on base (1) and link to each other with drive gear (22), graduated disk (3) are through pivot (27) pin joint on base (1), driven gear (23) cover just mesh with drive gear (22) outside pivot (27), the tooth of drive gear (22) and driven gear (23) meshing is 90 fan-shaped structure.

5. The laser inspection machine for die according to claim 4, wherein: actuating mechanism (2) still include square limiting plate (24) and spacing wheel (25), square limiting plate (24) fixed cover is outside pivot (27) and is located the top of driven gear (23), spacing wheel (25) coaxial coupling is on drive gear (22), be provided with fan-shaped spacing collar (26) that the angle is 240 in the periphery of spacing wheel (25), spacing wheel (25) set up with square limiting plate (24) are perpendicular, highly being less than square limiting plate (24) of spacing wheel (25), highly being higher than square limiting plate (24) of spacing collar (26), one side of spacing collar (26) is corresponding with the four sides of square limiting plate (24) respectively.

6. The laser inspection machine for die according to claim 4, wherein: the linkage mechanism (8) comprises a driving wheel (81), a driven wheel (82), a shaft sleeve (83) and a spline shaft (84) matched with the shaft sleeve (83), the driving wheel (81) is coaxially arranged at the top of the rotating shaft (27), the driven wheel (82) is sleeved outside the shaft sleeve (83) and meshed with the driving wheel (81), the driving wheel (81) and the driven wheel (82) are consistent in size, a third support plate (14) is transversely arranged on the support frame (11), the shaft sleeve (83) is pivoted on the third support plate (14), and the spline shaft (84) vertically penetrates through the third support plate (14) and is connected with the top of the cylinder (71).

7. The laser inspection machine for die according to claim 2, wherein: the punching die mechanism (5) comprises an air cylinder (51) and a punching head (52) arranged at the output end of the air cylinder (51), a support plate four (15) is transversely arranged on the support frame (11), the air cylinder (51) is vertically arranged at the bottom of the support plate four (15), and the punching head (52) corresponds to the top of the punching die table (4).