CN111451365A

CN111451365A - L type plate double-side one-time punching method

Info

Publication number: CN111451365A
Application number: CN202010313235.1A
Authority: CN
Inventors: 郑冬青
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-07-28

Abstract

The invention discloses a L type plate double-side one-time punching method which is characterized by comprising the following steps of S1, L type plates enter limiting grooves of a base one by one, S2, L type plates are positioned and pressed at a punching station of the base, S3, L type plate double-side synchronous punching at the punching station, S4, after a push column reaches an upper transverse section of a moving hole belt, a punching cylinder is reset, and S5, L type plates after punching are unloaded.

Description

L type plate double-side one-time punching method

Technical Field

The invention relates to the field of punching, in particular to a method for punching L type plate double sides at one time.

Background

For example, L type plates need to be punched at two sides of L type plates, because L type plate workpieces are small and the shapes of the plates are special, L type plates are punched manually by using a punch press, L type plates cannot be well positioned, the processing is difficult, danger is easy to occur during manual operation, and meanwhile, due to the adoption of manual processing, after one side of L type plates is processed, L type plates need to be repositioned and installed, the other side of the plates can be punched, and the processing efficiency is low.

Therefore, the Chinese patent with the prior publication number of CN102836912A discloses a punching method for metal sheet materials, which comprises the following steps: 1) punching two inner positioning holes on a metal sheet material by using a punching die, wherein the two inner positioning holes are separated by a certain distance so as to ensure accurate positioning; 2) placing a metal sheet material into a female die of a punching die, wherein two inner positioning pins of the female die extend into two inner positioning holes of the metal sheet material to position a workpiece, and a male die is pressed down to punch a first micropore array; 3) punching a second micropore array at the hole gap of the first micropore array of the sheet metal material by the same method of the step 2); 4) punching a third micropore array at the hole gap of the first micropore array and the second micropore array of the metal sheet material by the same method of the step 2), wherein the first micropore array, the second micropore array and the third micropore array form a micropore array with small aperture and dense meshes.

Also, for example, chinese patent publication No. CN104043720A discloses "a method for punching a plate", which includes the following steps: a) the automatic plate feeding suction disc frame sucks the plate to an inlet conveying roller way, and then the plate is conveyed to a roller type feeding clamping roller pair; b) the roller type feeding clamping pair roller clamps the plate to move forwards, and the punching machine automatically punches holes; c) after punching, the plate enters an automatic plate turnover device through an outlet conveying roller way to automatically turn over the plate; d) after the turning plate is finished, the plates enter an automatic stacking and stacking table to be stacked in order.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art, and provides an L type plate double-side one-time punching method which can realize L type plate double-side automatic one-time punching processing.

The technical scheme adopted by the invention for solving the technical problems is that the L type plate double-side one-time punching method is characterized by comprising the following steps:

step S1, enabling L type plates to enter limiting grooves of a base one by one, placing a plurality of L type plates to be processed in a feeding channel in parallel, enabling feeding conveyor belts on two sides of the feeding channel to rotate intermittently, enabling the L type plates in the feeding channel to be conveyed forwards at intervals by the width distance of L type plates under the action of friction force of the feeding conveyor belts, and pushing a L type plate in the feeding channel into the limiting grooves of the base when the feeding conveyor belts rotate once;

s2, L type plates are positioned and pressed at a stamping station of a base, a first transfer conveyor belt close to a feeding channel in the base conveys L type plates entering a limiting groove to the stamping station of the base along the limiting groove, an electromagnet at the stamping station in the base is electrified, L type plates are accurately positioned at the stamping station, a piston rod of a stamping cylinder extends out to push a sliding block in the base to move forwards, the sliding block pushes a moving rack to move forwards, the moving rack drives a meshing gear to rotate, the meshing gear drives the stamping rack to move along the reverse direction of the moving rack, the stamping rack drives a positioning plate to press one side of L type plates on the stamping station, one side of L type plates is pressed on the groove wall of the limiting groove of the base, a pressing cylinder above the base drives a pressing plate to move downwards, and the pressing plate presses the other side of L type plates on the upper surface of the base;

step S3, synchronously punching the two sides of the L type plate at the punching station, continuously extending the piston rod of the punching cylinder, continuously moving the sliding block forwards, pushing the push post on the push rod upwards along the inclined section on the moving hole belt of the sliding block, moving the push rod upwards along the base in an inclined way, driving the middle gear to rotate by the push rack on the push rod, driving the rotating wheel to rotate by the middle gear, punching the other side of the L type plate by the first punch on the rotating wheel, further approaching the punching rack to the limit groove along with the continuous forward movement of the moving rack, and punching one side of the L type plate by the second punch at the end of the punching rack;

step S4, after the push column reaches the upper transverse section of the moving hole belt, the stamping cylinder resets, the push rod moves downwards in an inclined mode to drive the rotating wheel to run in the opposite direction, the first punch head leaves the other side of the L type plate, meanwhile, the moving rack moves in the opposite direction, the stamping rack also exits under the action of the meshing gear, the second punch head leaves one side of the L type plate, the positioning plate slides in the base in the opposite direction, and the positioning plate loses the compression on one side of the L type plate;

step S5, unloading L type plates after stamping, resetting a compaction cylinder, compacting the other side of the L type plate which is lost by a compaction plate, powering off an electromagnet, transporting the L type plates at the stamping station to the unloading channel along a limiting groove by a second transfer conveyor belt close to the unloading channel in a base, intermittently rotating the unloading conveyor belts at two sides of the unloading channel, and moving the L type plates on the unloading channel forwards at intervals to realize unloading of L type plates after stamping.

Preferably, the first transfer conveyer belt and the second transfer conveyer belt are respectively provided with a transfer piece, and during the uniform rotation of the first transfer conveyer belt and the second transfer conveyer belt, the first transfer conveyer belt and the second transfer conveyer belt can drive the L type plate material to move forwards only when the transfer piece is contacted with one side of the L type plate material.

Compared with the prior art, the blanking device has the advantages that after a material loading assembly conveys L type plates onto a base, L type plates are limited between a fixed block and the base, a piston rod of a stamping cylinder firstly extends out, in the early stage of the extending process of the piston rod of the stamping cylinder, the lower transverse section of a moving hole belt on a sliding block approaches to a push column of a push rod, meanwhile, a moving rack drives a meshing gear to rotate, the meshing gear drives a stamping rack to move, the stamping rack drives a positioning plate to press one side of L type plates on a stamping station, one side of L type plates is pressed onto the groove wall of a limit groove of the base, then, a pressing cylinder on the fixed block drives a pressing plate to move downwards, the pressing plate presses the other side of L type plates onto the upper surface of the base, two sides of L type plates on the stamping station are positioned and pressed tightly, then, the piston rod of the stamping cylinder continues to extend out, at the moment, the pushing column of the pushing rod moves upwards along the inclined section of the sliding block under the pushing of the sliding block, the pushing rod moves upwards along the inclined section of the base, the pushing rack drives a middle gear to rotate, the pushing rod drives a rotating wheel to rotate, the rotating wheel to push the other side of a first rotating wheel 357 type plates, and the stamping rod moves back to punch a punch, and the stamping rack, the stamping cylinder to punch a punch is reset process a punch, the punch, and a punch is performed on the two side of a punch, and a punch, the punch, and a punch is performed.

Drawings

FIG. 1 is a block diagram of an L method for one-time double-sided punching of sheet material in accordance with an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an L type double-side disposable punching device according to an embodiment of the invention;

FIG. 3 is a schematic view of a connection structure of a loading assembly, a base and a discharging assembly in the embodiment of the invention;

FIG. 4 is a partial cross-sectional view of L a sheet stamping station on a base in an embodiment of the invention;

fig. 5 is a schematic view of the arrangement of the first transfer conveyer belt and the second transfer conveyer belt in the embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

Firstly, a L-type sheet bilateral disposable punching device related to the present invention is briefly described, as shown in fig. 2 to 5, a L-type sheet bilateral disposable punching device related to the implementation of the present invention includes a base 1, a feeding assembly 7, a discharging assembly 701, a fixed block 5, a pressing cylinder 51, a pressing plate 52, a pressing cylinder 2, a sliding block 3, a moving rack 32, a pushing rod 4, a pushing rack 41, an intermediate gear 65, a rotating wheel 66, a first punch 661, an engaging gear 64, a punching rack 6, a second punch 61, a positioning plate 63, a spring 62, a transfer conveyor and an electromagnet 83.

The feeding assembly 7 is arranged on one side of the base 1 and used for conveying L type plates 10 to the base 1, the discharging assembly 701 is arranged on the other side of the base 1 and used for discharging L type plates after stamping, and the base 1 is provided with a limiting groove 101 which is used for connecting the feeding assembly 7 and the discharging assembly 701 and limiting one side of the L type plates 10.

The feeding assembly 7 comprises a group of oppositely arranged feeding guide rails 71, a feeding channel 73 is formed between the two oppositely arranged feeding guide rails 71, the feeding channel 73 is communicated with the limiting groove 101, a feeding conveyer belt 72 for conveying L type plates 10 is wrapped on the feeding guide rails 71, the conveying direction of the area, contacted with the L type plates 10, of the feeding conveyer belt 72 is the same as the length direction of the feeding channel 73, and the feeding conveyer belt 72 intermittently rotates, so that the L type plates 10 which are arranged in parallel in the feeding channel 73 intermittently move forward by the width distance of one L type plate 10.

The discharging assembly 701 comprises a group of oppositely arranged discharging guide rails, a discharging channel is formed between the two oppositely arranged discharging guide rails, the inclined material channel is communicated with a limiting groove, a discharging conveying belt used for conveying L-type plates 10 is wrapped on the discharging guide rails, the conveying direction of a region, contacted with the L-type plates 10, on the discharging conveying belt is the same as the length direction of the discharging channel, the discharging conveying belt intermittently rotates, and after the stamped L-type plates 10 enter the discharging guide rails, the discharging conveying belt can intermittently convey each L-type plate 10 on the discharging guide rails forwards for a distance.

A fixed block 5 is fixed above the base 1, a limit space 53 for limiting the other side of the L type plate 10 is formed between the lower surface of the fixed block 5 and the upper surface of the base 1, a pressing cylinder 51 is arranged on the fixed block 5, a pressing plate 52 for pressing the other side of the L type plate 10 is arranged at the output end of the pressing cylinder 51, a first through hole 521 is formed on the pressing plate 52, a sliding block 3 is transversely and slidably arranged in the base 1, the sliding block 3 is connected with the output end of an external pressing cylinder 2, a sliding cavity 301 is formed in the middle of the sliding block 3, moving hole belts are formed on the two opposite side walls of the sliding cavity 301, the moving hole belts comprise a lower transverse section 311 transversely arranged at the bottom of the sliding block 3, an upper transverse section 313 transversely arranged at the upper part of the sliding block 3, an inclined section 312 obliquely arranged for connecting the lower transverse section 311 and the upper transverse section 313, the length of the lower transverse section 311 is longer than that of the upper transverse section 313, a moving rack 32 transversely extends, a pushing rod 4 is arranged in the base 1, a pushing rod 4 slides upwards, a pushing rod 301 is arranged in the middle of the sliding section of the sliding block 3, a rack 66, a second rack 66 which is arranged, a rack pushing rod 66 which is arranged in the middle of the sliding rod 4, a rack 6 which is arranged, a second rack 6 which is arranged, a rack pushing rod 66 which is arranged in the middle rack 6 which is meshed with a rack pushing rod 70, a rack pushing rod 66, a rack pushing rod 70 which is arranged, a rack pushing rod 4 which is arranged in the middle rack pushing rod 4 which is arranged, a punch is arranged in the middle punch, a rack 6 which is arranged, a punch is arranged, a punch is arranged in the middle punch, a punch is arranged, a punch head 4 which is arranged in the rack 6 which is arranged, a punch.

In addition, a first transfer conveyor belt 8 and a second transfer conveyor belt 9 are vertically arranged at intervals at a position of a limiting groove 101 in the base 1, a transfer sheet 81 for realizing the sliding of the L-type sheet material 10 in the limiting groove 101 is respectively arranged on the two transfer conveyor belts, an abutting table 82 for facilitating the abutting of one side of the L-type sheet material 10 is formed between the first transfer conveyor belt 8 and the second transfer conveyor belt 9 in the vertical direction, a stamping groove 821 is formed in the abutting table 82, an electromagnet 83 is arranged on the abutting table 82, in the conveying direction of the transfer conveyor belts, the tail part of the first transfer conveyor belt 8 and the head part of the second transfer conveyor belt 9 are overlapped at the position of the electromagnet 83, the abutting table 82 provides an abutting effect for the stamping of one side of the L-type sheet material 10 by the second punch 61, in addition, the stamping station of the L-type sheet material 10 on the base 1 is arranged at the middle position of the base 82 by arranging the two transfer conveyor belts at two sides of the abutting table 82, the stamping station of the L-type sheet material 10 on the base 1 is arranged at the middle position of the base 82, the electromagnet, the conveying effect on the L-type sheet material is enhanced, the conveying station L-type sheet material is transferred to the electromagnet 61 along the tail end of the electromagnet 80 of the electromagnet, and the electromagnet, the electromagnet is transferred to the electromagnet 6783, and the electromagnet, after the electromagnet.

As shown in fig. 1, the invention also discloses an L type plate double-side one-time punching method, which comprises the following steps:

step S1, feeding L type plates 10 into the limiting groove 101 of the base 1 one by one, placing a plurality of L type plates 10 to be processed in parallel in the feeding channel 73, intermittently rotating the feeding conveyor belts 72 positioned at two sides of the feeding channel 73, feeding the L type plates 10 in the feeding channel 73 forward at intervals by the width distance of L type plates 10 under the friction force of the feeding conveyor belts 73, and pushing a L type plate 10 in the feeding channel 73 into the limiting groove 101 of the base 1 every time the feeding conveyor belts 72 rotate, wherein the conveying directions of the two feeding conveyor belts 73 are exactly opposite, as shown in fig. 2;

step S2, the L type plate 10 is positioned and pressed on a punching station of the base 1, the L type plate 10 entering the limiting groove 101 is conveyed to the punching station of the base 1 along the limiting groove 101 by the first transfer conveyor belt 8 in the base 1 close to the feeding channel 73, the electromagnet 83 in the base 1 at the punching station is electrified, the L type plate 10 is accurately positioned at the punching station, the piston rod of the punching cylinder 2 extends out to push the sliding block 3 in the base 1 to move forwards, the sliding block 3 pushes the moving rack 32 to move forwards, the moving rack 32 drives the meshing gear 64 to rotate, the meshing gear 64 drives the punching rack 6 to move along the opposite direction of the moving rack 32, the punching rack 6 drives the positioning plate 63 to press one side of the L type plate 10 on the punching station, one side of the L type plate 10 is pressed on the groove wall of the limiting groove 101 of the base 1, the pressing cylinder 51 above the base 1 drives the pressing plate 52 to move downwards, and the pressing plate 52 presses the other side of the L type plate 10 on the upper surface of the base;

step S3, synchronously punching the two sides of the L type plate 10 at the punching station, continuously extending the piston rod of the punching cylinder 2, continuously moving the sliding block 3 forwards, pushing the pushing post 42 on the pushing rod 4 upwards along the inclined section 312 on the moving hole belt of the sliding block 3 under the pushing of the sliding block 3, obliquely upwards moving the pushing rod 4 along the base 1, driving the pushing rack 41 on the pushing rod 4 to drive the intermediate gear 65 to rotate, driving the rotating wheel 66 to rotate by the intermediate gear 65, punching the other side of the L type plate 10 by the first punch 661 on the rotating wheel 66, meanwhile, as the moving rack 32 continuously moves forwards, further approaching the punching rack 6 to the limiting groove 101, and punching one side of the L type plate 10 by the second punch 61 at the end of the punching rack 6;

step S4, after the push column 42 reaches the upper transverse section 313 of the moving hole belt, the stamping cylinder 2 is reset, the push rod 4 moves downwards in a slant way to drive the rotating wheel 66 to run in a reverse direction, the first punch 661 leaves the other side of the L type plate 10, meanwhile, the moving rack 32 also moves in a reverse direction, the stamping rack 6 also exits in a following way under the action of the meshing gear 64, the second punch 61 leaves the one side of the L type plate 10, the positioning plate 63 slides in a reverse direction in the base 1, and the positioning plate 63 loses the compression on the one side of the L type plate 10;

step S5, unloading L type plates 10 after stamping is completed, resetting a compaction cylinder 51, enabling a compaction plate 52 to lose compaction of the other side of L type plates 10, enabling an electromagnet 83 to lose power, transporting L type plates 10 at a stamping station to an unloading channel along a limiting groove 101 by a second transfer conveyor belt close to the unloading channel in a base 1, enabling the unloading conveyor belts at two sides of the unloading channel to rotate intermittently, enabling L type plates 10 on the unloading channel to move forwards at intervals, and achieving unloading L type plates after stamping.

As shown in fig. 4 and 5, in steps S2 and S5, since the first transfer conveyer belt 8 and the second transfer conveyer belt 9 are respectively provided with the transfer sheet 81, the first transfer conveyer belt 8 and the second transfer conveyer belt 9 can move the L type plate material 10 forward only when the transfer sheet 81 contacts with one side of the L type plate material 10 during the uniform rotation of the first transfer conveyer belt 8 and the second transfer conveyer belt 9.

In the process of punching a L-type plate 10, a piston rod of a punching cylinder 2 continuously extends in three stages, in the first stage of extension of the piston rod of the punching cylinder 2, a lower transverse section 311 of a moving hole belt on a sliding block 3 is drawn close to a push column 42 of a push rod 4, the push rod 4 is in a bottom static state, the sliding block 3 pushes the moving rack 32 to move forwards, the moving rack 32 drives a meshing gear 64 to rotate, the meshing gear 64 drives the punching rack 6 to move, the punching rack 6 drives a positioning plate 63 to press one side of a L-type plate 10 on a punching station, one side of the L-type plate 10 is pressed on a groove wall of a limiting groove 101 of a base 1, a pressing cylinder 51 on a fixed block 5 drives a pressing plate 52 to move downwards, the pressing plate 52 presses the other side of a L-type plate 10 on an upper surface of the base 1 to position and press the L-type plate 10 on the punching station, in the second stage of extension of the piston rod of the punching cylinder 2, the sliding block 3 continues to move forwards, the push column 42 of the push rod 4 to move upwards along a three-stage section 312 of the pushing rod 3, the pushing rod 4, the pushing rod moves upwards, the middle rack 4 to push a punch rod to move, the inclined rack 65, the punching cylinder drives the inclined section of the punching cylinder to move, and the punch rod to move towards an inclined groove, the inclined section of a punching cylinder 2, and the inclined rack 9, the punching cylinder to move, the inclined groove, the inclined rod, the inclined section of the punching cylinder to move, the inclined rack, the punching cylinder 2, the inclined rod, the inclined groove, the inclined rod, the punching cylinder 2, the inclined section of a punch.

In summary, after the loading assembly 7 conveys the L-type plate 10 to the base 1, the L-type plate 10 is constrained between the fixed block 5 and the base 1, the piston rod of the stamping cylinder 2 firstly extends out, at an early stage in the process of extending the piston rod of the stamping cylinder 2, the lower transverse section 311 of the moving hole belt on the sliding block 3 approaches to the pushing post 42 of the pushing rod 4, meanwhile, the moving rack 32 drives the engaging gear 64 to rotate, the engaging gear 64 drives the stamping rack 6 to move, the stamping rack 6 drives the positioning plate 63 to press one side of the L-type plate 10 on the stamping station, one side of the L-type plate 10 is pressed on the groove wall of the limiting groove 101 of the base 1, then, the pressing cylinder 51 on the fixed block 5 drives the pressing plate 52 to move downwards, the pressing plate 52 presses the other side of the L-type plate 10 onto the upper surface of the base 1, both sides of the L-type plate 10 on the stamping station are positioned and pressed, then, the piston rod of the stamping cylinder 2 continues to extend, at this time, under the pushing of the pushing rod 3, the pushing post 42 of the pushing rod 4 moves upwards along the middle rack 354 of the stamping rod 354, the stamping rod 3565, the stamping rod rotates, and the middle stamping rack 356 returns to press the stamping rod to move, and further, the stamping rod 356, thereby, the stamping rod 357 moves, the stamping rod 356, and further presses the stamping rod 356, the stamping rod, and the stamping rod 357 moves, and the stamping rod 356, and the stamping rod moves, and the stamping rod moves obliquely and the stamping rod moves, thereby, the stamping rod moves, and the stamping rod moves, the stamping rod 35.

Claims

1. An L type plate double-side one-time punching method is characterized by comprising the following steps:

s1, enabling L type plates (10) to enter a limiting groove (101) of a base (1) one by one, placing a plurality of L type plates (10) to be processed in a material loading channel (73) in parallel, enabling material loading conveyor belts (72) positioned on two sides of the material loading channel (73) to rotate intermittently, enabling the L type plates (10) in the material loading channel (73) to convey forwards at intervals of the width distance of one L type plate (10) under the action of friction force of the material loading conveyor belts (72), and pushing one L type plate (10) in the material loading channel (73) into the limiting groove (101) of the base (1) when the material loading conveyor belts (72) rotate once;

s2, a L-type plate (10) is positioned and pressed at a stamping station of a base (1), a first transfer conveyor belt (8) in the base (1) close to a feeding channel (73) conveys the L-type plate (10) entering a limiting groove (101) to the stamping station of the base (1) along the limiting groove (101), an electromagnet (83) in the base (1) at the stamping station is electrified, the L-type plate (10) is accurately positioned at the stamping station, a piston rod of a stamping cylinder (2) extends out to push a sliding block (3) in the base (1) to move forwards, the sliding block (3) pushes a moving rack (32) to move forwards, the moving rack (32) drives a meshing gear (64) to rotate, the meshing gear (64) drives the stamping rack (6) to move in the opposite direction of the moving rack (32), the stamping rack (6) drives a positioning plate (63) to move towards one side of a L-type plate (10) on the stamping station, one side of the pressing plate (10) is pressed on the base (1), and the other side of the pressing plate (52) above the limiting groove (101) is positioned on an upper surface (L) of the base (1);

s3, synchronously punching two sides of a L type plate (10) at a punching station, continuously extending a piston rod of a punching cylinder (2), continuously moving a sliding block (3) forwards, pushing a push column (42) on a push rod (4) to move upwards along an inclined section (312) on a moving hole belt of the sliding block (3) under the pushing of the sliding block (3), moving the push rod (4) upwards obliquely along a base (1), driving a middle gear (65) to rotate by a push rack (41) on the push rod (4), driving a rotating wheel (66) to rotate by the middle gear (65), punching the other side of the L type plate (10) by a first punch (661) on the rotating wheel (66), and simultaneously punching the other side of the L type plate (10) by a second punch (61) at the end of the punching rack (6) along with the continuous forward movement of the moving rack (32);

step S4, after the push column (42) reaches the upper transverse section (313) of the moving hole belt, the stamping cylinder (2) resets, the push rod (4) moves downwards in a slant mode to drive the rotating wheel (66) to rotate in the opposite direction, the first punch (661) leaves the other side of the L type plate (10), meanwhile, the moving rack (32) also moves in the opposite direction, the stamping rack (6) also exits under the action of the meshing gear (64), the second punch (61) leaves the side of the L type plate (10), the positioning plate (63) slides in the base (1) in the opposite direction, and the positioning plate (63) loses the compression on the side of the L type plate (10);

step S5, unloading the L type sheet material (10) after stamping, resetting a compaction cylinder (51), compacting the other side of the L type sheet material (10) lost by a compaction plate (52), powering off an electromagnet (83), transporting the L type sheet material (10) at the stamping station to the unloading channel along a limiting groove (101) by a second transfer conveyor belt close to the unloading channel in a base (1), intermittently rotating the unloading conveyor belts at two sides of the unloading channel, and moving the L type sheet material on the unloading channel forwards at intervals to realize unloading the L type sheet material after stamping.

2. The L type plate double-side disposable punching method according to claim 1, wherein the first transfer conveyer belt (8) and the second transfer conveyer belt (9) are respectively provided with a transfer sheet (81), and the first transfer conveyer belt (8) and the second transfer conveyer belt (9) can drive the L type plate (10) to move forwards only when the transfer sheet (81) contacts with one side of the L type plate (10) in the process of uniform rotation of the first transfer conveyer belt (8) and the second transfer conveyer belt (9).