Sheet metal part positioning and punching device

Abstract

The invention relates to the technical field of sheet metal part machining equipment.The sheet metal part positioning and punching device comprises a punching machining table, a supporting bottom box is arranged at the bottom of the punching machining table, a punching lower die is connected to the top of the punching machining table, and a connecting cross beam is arranged above the punching machining table; a plurality of sets of supporting stand columns are connected between the punching machining table and the connecting cross beam, and a punching air cylinder is connected to the connecting cross beam. A thin metal sheet placed on the punching machining table can be pushed to the punching machining position in the center, the situation that the thin metal sheet is bent due to the fact that the clamping action exceeds the stroke can be avoided, small waste materials generated after punching can be collected, centralized recycling of the waste materials is facilitated, and therefore the situation that the small waste materials are difficult to remove, and the machining cost is reduced is avoided. And the punching metal sheet at the special punching position can be adsorbed and fixed, so that the situation that the metal sheet is clamped in the upper die and is difficult to remove is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of sheet metal processing equipment, and in particular to a sheet metal positioning and punching device. Background Art

[0002] Sheet metal is a comprehensive cold processing technology for thin metal plates, including shearing, punching / cutting / combining, folding, welding, riveting, splicing, and forming; such as automobile bodies, its notable feature is that the thickness of the same part is consistent. The products processed by sheet metal technology are called sheet metal parts.

[0003] After searching, the existing patent (application number: CN202310191636.8) discloses a sheet metal processing punching device, including a rectangular cabinet, two support plates are fixed on the top of the rectangular cabinet, and the top of the two support plates is fixed with a top plate, a hydraulic cylinder is fixedly installed on the bottom of the top plate, a connecting rod is fixed on the extended end of the hydraulic cylinder, and an upper punching die is fixed on the bottom of the connecting rod, a lower die matched with the upper punching die is fixed on the top of the rectangular cabinet, a brush is arranged on the top of the rectangular cabinet, and a horizontal tooth plate is fixed on one side of the brush. The vertical tooth plate moves up to drive the first gear to rotate in the opposite direction, the first gear rotates through the first rotating shaft to drive the second gear to rotate, the second gear rotates through the internal tooth belt to drive the fourth gear to rotate, the fourth gear rotates through the second rotating shaft to drive the third gear to rotate, and the third gear rotates to drive the brush to move close to the lower die, so that the brush cleans the debris on the sheet metal to prevent the debris from affecting the next punching. The inventor found the following problems in the prior art in the process of realizing the utility model: The existing sheet metal processing punching device cannot position and fix the metal sheet that needs to be punched. If the metal sheet cannot be positioned, the punching hole position may be offset. Some punching devices with positioning clamps cannot fix the clamping action of the clamp, and such clamping method may cause the metal sheet to be bent, which will affect the subsequent punching work. The waste cut off after punching cannot be collected. If the waste cannot be collected in time, it will cause the waste to be stuck in the hole of the mold, which may affect the subsequent punching work.

[0004] Therefore, a sheet metal positioning punching device is proposed to solve the above-mentioned related technical problems. Summary of the invention

[0005] In order to improve the above-mentioned problem, the present application provides a sheet metal positioning and punching device.

[0006] The present application provides a sheet metal positioning punching device, which adopts the following technical solution: A sheet metal positioning punching device comprises a punching processing table, a supporting bottom box is arranged at the bottom of the punching processing table, a punching lower die is connected to the top of the punching processing table, a connecting crossbeam is arranged above the punching processing table, and a plurality of supporting columns are connected between the punching processing table and the connecting crossbeam, and a punching cylinder is connected to the connecting crossbeam; Among them, a punching block is connected to the output shaft of the punching cylinder, and the bottom of the punching block is connected to the punching upper mold, a positioning motor is connected to one side of the punching processing table, and two groups of mutually symmetrical longitudinal fixed clamps are arranged on the top of the punching processing table, and two groups of mutually symmetrical transverse fixed clamps are arranged on the top of the punching processing table; the connecting beam is connected to the punching processing table through a supporting column, and the punching processing table is located on the ground through a supporting bottom box, the metal sheet to be processed is placed on the punching lower mold on the punching processing table for processing, and the metal sheet is clamped and fixed by the longitudinal fixed clamp and the transverse fixed clamp, and the punching cylinder drives the punching block and the punching upper mold connected to it to perform punching processing on the punching lower mold.

[0007] Preferably, the punching lower die is provided with a plurality of groups of punching holes and a plurality of groups of lower die punching blocks, and the bottom of the punching upper die is provided with four groups of clamping block punching limit grooves which are staggered in pairs and a plurality of groups of stamping punching and cutting protrusion groups, and the plurality of groups of stamping punching and cutting protrusion groups are respectively interlocked with the plurality of groups of punching holes and the plurality of groups of lower die punching blocks corresponding to the vertical directions thereof.

[0008] By adopting the above technical scheme, the stamping punching and cutting protrusion group of the punching upper die is used to stamp the thin metal on the punching lower die, and the stamping punching and cutting protrusion group is used to punch, cut and extrude the thin metal through the punching holes and multiple groups of lower die punching blocks.

[0009] Preferably, the top of the punching processing table is provided with four groups of symmetrical transverse slide grooves in pairs and four groups of symmetrical longitudinal slide grooves in pairs, and the longitudinal fixed clamp blocks are connected to the two groups of transverse slide grooves, and the transverse fixed clamp blocks are connected in the two groups of longitudinal slide grooves.

[0010] By adopting the above technical solution, the longitudinal fixed clamp block slides in the transverse slide groove, and the transverse fixed clamp block slides in the longitudinal slide groove, and during the movement, the thin metal is clamped and fixed by the transverse fixed clamp block and the longitudinal fixed clamp block.

[0011] Preferably, sliding connection columns are provided at the bottom of both ends of the longitudinal fixed clamp block and the transverse fixed clamp block, and sliding slots are connected to the longitudinal fixed clamp block and the transverse fixed clamp block, and the sliding slots corresponding to the longitudinal fixed clamp block and the sliding slots corresponding to the transverse fixed clamp block fit together.

[0012] By adopting the above technical solution, the longitudinal fixed clamp block and the transverse fixed clamp block are displaced through their respective sliding slots during the sliding movement, so that the sliding operations of the longitudinal fixed clamp block and the transverse fixed clamp block do not affect each other.

[0013] Preferably, two groups of mutually symmetrical transverse screw rods and two groups of mutually symmetrical longitudinal screw rods are arranged in the punching processing table, and the transverse screw rods are perpendicular to the longitudinal screw rods, and one end of one group of the transverse screw rods is connected to the output shaft of the positioning motor, and the outer sides of both ends of the transverse screw rods and the longitudinal screw rods are sleeved with bevel gears.

[0014] By adopting the above technical solution, a group of transverse screw rods are driven by the positioning motor to rotate, and the transverse screw rods drive the two groups of bevel gears connected thereto to rotate during the rotation process.

[0015] Preferably, the bevel gear on the transverse screw rod is meshed with the bevel gear on the adjacent longitudinal screw rod, and the outer sides of the transverse screw rod and the longitudinal screw rod are connected with two sets of limit clamps and connecting positioning clamps through bearing sleeves, and the side of the connecting positioning clamps away from the center of the punching processing table is connected to a motor clamping switch, and an installation connection block is connected between the connecting positioning clamps and the inner wall of the punching processing table.

[0016] By adopting the above technical solution, the transverse screw rod rotates through the two sets of bevel gears connected to it during the rotation process, and the two sets of bevel gears drive the two sets of bevel gears meshing with each other to rotate during the rotation process, thereby driving the two sets of longitudinal screw rods to rotate, and the two sets of longitudinal screw rods drive the transverse screw rods connected to the other ends thereof to rotate through the bevel gears during the rotation process, thereby making the two sets of transverse screw rods and the two sets of longitudinal screw rods rotate together, and the transverse screw rods and the longitudinal screw rods are connected to the punching processing table through the mounting connection blocks on the connecting positioning clamps.

[0017] Preferably, two groups of transverse clamping transmission sliders are connected to the transverse screw rod, and two groups of longitudinal clamping transmission sliders are connected to the longitudinal screw rod. The transverse clamping transmission sliders are connected to the longitudinal fixed clamp blocks through sliding connecting columns, and the longitudinal clamping transmission sliders are connected to the transverse fixed clamp blocks through sliding connecting columns.

[0018] By adopting the above technical scheme, the transverse screw rod drives the longitudinal clamping transmission slider to slide and move, and the longitudinal clamping transmission slider can drive the transverse fixed clamp block to slide and move through the sliding connecting column, the transverse screw rod drives the transverse clamping transmission slider to slide and move, and the transverse clamping transmission slider can drive the longitudinal fixed clamp block to slide and move through the sliding connecting column, and the sliding action of the transverse clamping transmission slider and the longitudinal clamping transmission slider is limited and fixed by the limit clamping ring and the connecting positioning clamping ring, and when the transverse clamping transmission slider and the longitudinal clamping transmission slider move to contact with the connecting positioning clamping ring, the motor clamping switch on the connecting positioning clamping ring is squeezed by the transverse clamping transmission slider and the longitudinal clamping transmission slider, thereby completing the opening and closing of the positioning motor through the motor clamping switch, thereby preventing the transverse clamping transmission slider and the longitudinal clamping transmission slider from squeezing and bending the thin metal sheet.

[0019] Preferably, a punching feed trough is provided below the punching holes, and the punching feed trough is connected to the supporting bottom box, a feed discharge slide is provided in the supporting bottom box, and a feed discharge drawer box is provided at the bottom end of the feed discharge slide, a material collection drawer is provided on one side of the bottom of the supporting bottom box, and the material collection drawer is slidably connected to the feed discharge drawer box.

[0020] By adopting the above technical solution, when punching is performed, the punched thin metal patch falls from the punching hole into the punching feed chute, and the thin metal patch falls from the punching feed chute into the supporting bottom box, and slides from the feed slide of the supporting bottom box into the material retrieval drawer in the feed drawer box, and the waste material from the punching can be taken out by pulling out the feed drawer.

[0021] Preferably, the punching block of the lower mold comprises a punching ring and a punching protrusion, and the punching ring is sleeved on the outside of the punching protrusion, an electromagnetic block is arranged in the punching protrusion, and a protrusion support column is connected to the bottom of the punching block of the lower mold.

[0022] By adopting the above technical solution, when the punching and cutting convex block group punches the lower die punching block, special punching holes with concave and convex shapes and holes can be punched out at one time through the lower die punching block.

[0023] Preferably, a spring connection base is connected between the bump support column and the punching processing table, a telescopic spring is connected between the spring connection base and the punching ring, an electromagnet switch is connected above the spring connection base, and a connecting wire is connected to one side of the spring connection base.

[0024] By adopting the above technical scheme, when punching, firstly, a punching protrusion with a concave-convex shape is formed by squeezing the punching ring, and the punching ring is squeezed to move downward during the punching process, and the punching ring squeezes the telescopic spring to move in the direction of the spring connection base during the downward movement, and when the punching ring moves to a position in contact with the electromagnet switch, the punching protrusion completes the punching work at the special punching position, and at the same time, the punching ring squeezes the electromagnet switch to complete the switch control of the electromagnet block, the spring connection base is connected to the power supply through the connecting wire, and one end of the connecting wire is connected to the electromagnet block at the top of the protrusion support column through the electromagnet switch, and when the punching work is completed, the electromagnet block adsorbs the metal sheet under the punching, thereby preventing the metal sheet from being stuck in the punching upper mold.

[0025] 1. Compared with the prior art, the sheet metal positioning punching device can push the thin metal sheet placed on the punching processing table to the punching processing position at the center, and can avoid the clamping action exceeding the stroke and causing the thin metal sheet to be bent. The transverse screw drives the longitudinal clamping transmission slider to slide and move, and the longitudinal clamping transmission slider can drive the transverse fixed clamping block to slide and move through the sliding connecting column. The transverse screw drives the transverse clamping transmission slider to slide and move, and the transverse clamping transmission slider can drive the longitudinal fixed clamping block to slide and move through the sliding connecting column. The sliding action of the transverse clamping transmission slider and the longitudinal clamping transmission slider is limited and fixed by the limiting clamping ring and the connecting positioning clamping ring. When the transverse clamping transmission slider and the longitudinal clamping transmission slider move to contact the connecting positioning clamping ring, the motor clamping switch on the connecting positioning clamping ring is squeezed by the transverse clamping transmission slider and the longitudinal clamping transmission slider, so as to complete the opening and closing of the positioning motor through the motor clamping switch, thereby avoiding the transverse clamping transmission slider and the longitudinal clamping transmission slider from squeezing and bending the thin metal sheet.

[0026] 2. Compared with the prior art, this sheet metal positioning punching device can collect small waste materials after punching, which is convenient for centralized recycling of waste materials, thereby avoiding the situation that small waste materials are difficult to remove and affect the subsequent punching work. When punching, the punched thin metal patch falls from the punching hole into the punching feed chute, and the thin metal patch falls from the punching feed chute into the supporting bottom box, and slides from the feed slide of the supporting bottom box into the material retrieval drawer in the feed drawer box, and the punched waste can be taken out by pulling out the feed drawer.

[0027] 3. Compared with the prior art, this sheet metal positioning punching device can adsorb and fix the punched metal sheet at the special punching position, thereby preventing the metal sheet from being stuck in the upper mold and causing difficulty in removal. When the punching ring moves to the position in contact with the electromagnet switch, the punching protrusion completes the punching work at the special punching position, and the punching ring squeezes the electromagnet switch to complete the switch control of the electromagnet block, so that the adsorption work is started only after the metal sheet is punched out to avoid affecting the fixing work of the metal sheet. The spring connection base is connected to the power supply through the connecting wire, and one end of the connecting wire is connected to the electromagnet block on the top of the protrusion support column through the electromagnet switch. When the punching work is completed, the electromagnet block adsorbs the stamped metal sheet, thereby preventing the metal sheet from being stuck in the punching upper mold, and the metal sheet can be removed by controlling the power off of the electromagnet block. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the structure of the main body of this application; Figure 2 This is a schematic diagram of the structure of the stamping block of the present application when viewed from above; Figure 3 This is a schematic diagram of the structure of the punching processing station of the present application from a top view; Figure 4 This is a schematic diagram of the structure of the connection between the longitudinal fixing clamp block and the transverse fixing clamp block of the present application; Figure 5 This is a schematic diagram of the structure of the positioning motor of this application; Figure 6 This is a structural schematic diagram of the connection and positioning clamp ring of the present application; Figure 7 It is a schematic structural diagram of the side section of the punching hole position of the present application; Figure 8 This is a schematic structural diagram of the side section of the support bottom box of the present application; Fig. 9 This is a schematic diagram of the structure of the unloading slide of the present application; Fig.10 This is a schematic diagram of the structure of the punching block of the lower mold of this application.

[0029] The accompanying drawings are marked as follows: 1, punching processing table; 11, horizontal slide; 12, longitudinal slide; 13, longitudinal fixed clamp; 131, sliding card slot; 14, horizontal fixed clamp; 141, sliding connecting column; 2, supporting bottom box; 21, material taking drawer; 22, material unloading drawer box; 23, unloading slide; 3, connecting beam; 31, supporting column; 4, punching cylinder; 5, punching block; 51, punching upper die; 511, clamping block punching limit groove; 512, punching punching cutting protrusion group; 6, punching lower die; 61, punching hole position; 611, punching Hole feeding trough; 62, lower die punching block; 621, punching ring; 622, punching bump; 623, electromagnetic block; 624, bump support column; 625, spring connection base; 6251, connecting wire; 626, telescopic spring; 627, electromagnet switch; 7, positioning motor; 71, transverse screw rod; 72, connecting positioning clamp ring; 721, motor clamping switch; 722, installation connection block; 73, transverse clamping transmission slider; 74, longitudinal clamping transmission slider; 75, bevel gear; 76, limit clamp ring; 77, longitudinal screw rod. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0031] The following is combined with Figure 1-Figure 10 , further details of this application are given.

[0032] A sheet metal positioning punching device, referring to Figure 1 and Figure 3 , comprising a punching processing table 1, a supporting bottom box 2 is arranged at the bottom of the punching processing table 1, and a punching lower die 6 is connected to the top of the punching processing table 1, a connecting beam 3 is arranged above the punching processing table 1, and a plurality of supporting columns 31 are connected between the punching processing table 1 and the connecting beam 3, and a punching cylinder 4 is connected to the connecting beam 3; Among them, a punching block 5 is connected to the output shaft of the punching cylinder 4, and a punching upper mold 51 is connected to the bottom of the punching block 5, a positioning motor 7 is connected to one side of the punching processing table 1, and two groups of mutually symmetrical longitudinal fixed clamps 13 are arranged on the top of the punching processing table 1, and two groups of mutually symmetrical transverse fixed clamps 14 are arranged on the top of the punching processing table 1; the connecting beam 3 is connected to the punching processing table 1 through the supporting column 31, and the punching processing table 1 is located on the ground through the supporting bottom box 2, the metal sheet to be processed is placed on the punching lower mold 6 on the punching processing table 1 for processing, and the metal sheet is clamped and fixed by the longitudinal fixed clamp 13 and the transverse fixed clamp 14, and the punching cylinder 4 drives the punching block 5 and the punching upper mold 51 connected thereto to perform punching processing on the punching lower mold 6.

[0033] Reference Figure 2 and Figure 3 The punching lower die 6 is provided with a plurality of punching hole positions 61 and a plurality of lower die punching blocks 62, and the bottom of the punching upper die 51 is provided with four groups of clamping block punching limit grooves 511 staggered in pairs and a plurality of stamping punching and cutting protrusion groups 512, and the plurality of stamping punching and cutting protrusion groups 512 are respectively interlocked with the plurality of punching hole positions 61 and the plurality of lower die punching blocks 62 corresponding to the plurality of punching hole positions 61 in the vertical direction thereof; the stamping punching and cutting protrusion groups 512 of the punching upper die 51 are used to punch the thin metal on the punching lower die 6, and the stamping punching and cutting protrusion groups 512 are used to punch, cut and extrude the thin metal through the punching hole positions 61 and the plurality of lower die punching blocks 62.

[0034] Reference Figure 3 and Figure 4 The top of the punching processing table 1 is provided with four groups of symmetrical transverse slide grooves 11 and four groups of symmetrical longitudinal slide grooves 12, and the longitudinal fixed clamps 13 are connected to the two groups of transverse slide grooves 11, and the transverse fixed clamps 14 are connected to the two groups of longitudinal slide grooves 12; the longitudinal fixed clamps 13 slide and move in the transverse slide grooves 11, and the transverse fixed clamps 14 slide and move in the longitudinal slide grooves 12, and the thin metal is clamped and fixed by the transverse fixed clamps 14 and the longitudinal fixed clamps 13 during the movement.

[0035] Reference Figure 3 and Figure 4The bottoms of both ends of the longitudinal fixed clamp block 13 and the transverse fixed clamp block 14 are provided with sliding connection columns 141, and the longitudinal fixed clamp block 13 and the transverse fixed clamp block 14 are connected with sliding grooves 131, and the sliding grooves 131 corresponding to the longitudinal fixed clamp block 13 and the sliding grooves 131 corresponding to the transverse fixed clamp block 14 fit each other; the longitudinal fixed clamp block 13 and the transverse fixed clamp block 14 are displaced by their respective sliding grooves 131 during the sliding movement, so that the sliding work of the longitudinal fixed clamp block 13 and the transverse fixed clamp block 14 does not affect each other.

[0036] Reference Figure 5 Two groups of mutually symmetrical transverse screw rods 71 ​​and two groups of mutually symmetrical longitudinal screw rods 77 are arranged in the punching processing table 1, and the transverse screw rods 71 ​​and the longitudinal screw rods 77 are perpendicular to each other, and one end of one group of transverse screw rods 71 ​​is connected to the output shaft of the positioning motor 7, and the outer sides of both ends of the transverse screw rods 71 ​​and the longitudinal screw rods 77 are sleeved with bevel gears 75; the positioning motor 7 drives one group of transverse screw rods 71 ​​to rotate, and the transverse screw rods 71 ​​drive the two groups of bevel gears 75 connected to them to rotate during the rotation process.

[0037] Reference Figure 5 and Figure 6 The bevel gear 75 on the transverse screw rod 71 meshes with the bevel gear 75 on the adjacent longitudinal screw rod 77. The outer sides of the transverse screw rod 71 and the longitudinal screw rod 77 are connected with two sets of limit snap rings 76 and a connecting and positioning snap ring 72 through bearing sleeves. The side of the connecting and positioning snap ring 72 away from the center of the punching processing table 1 is connected to a motor clamping switch 721. The connecting and positioning snap ring 72 is connected to the inner wall of the punching processing table 1 with a mounting connection block 722. During the rotation of the transverse screw rod 71, the two sets of bevel gears 75 connected to it are connected. The two sets of bevel gears 75 rotate, and the two sets of bevel gears 75 meshing with each other rotate during the rotation process, thereby driving the two sets of longitudinal screw rods 77 to rotate, and the two sets of longitudinal screw rods 77 drive the transverse screw rods 71 ​​connected to the other ends thereof to rotate through the bevel gears 75 during the rotation process, so that the two sets of transverse screw rods 71 ​​and the two sets of longitudinal screw rods 77 rotate together, and the transverse screw rods 71 ​​and the longitudinal screw rods 77 are connected to the punching processing table 1 through the mounting connection block 722 on the connecting positioning clamp 72.

[0038] Reference Figure 5, two groups of transverse clamping transmission sliders 73 are connected to the transverse screw rod 71, and two groups of longitudinal clamping transmission sliders 74 are connected to the longitudinal screw rod 77. The transverse clamping transmission slider 73 is connected to the longitudinal fixed clamp block 13 through a sliding connection column 141, and the longitudinal clamping transmission slider 74 is connected to the transverse fixed clamp block 14 through a sliding connection column 141; the longitudinal clamping transmission slider 74 is driven by the transverse screw rod 71 to slide, and the longitudinal clamping transmission slider 74 can drive the transverse fixed clamp block 14 to slide through the sliding connection column 141, and the transverse clamping transmission slider 73 is driven by the longitudinal screw rod 77 to slide, and the transverse clamping transmission slider 73 can be driven by the sliding connection The connecting column 141 drives the longitudinal fixed clamp 13 to slide, and the sliding movement of the transverse clamping transmission slider 73 and the longitudinal clamping transmission slider 74 is limited and fixed by the limit clamping ring 76 and the connecting positioning clamping ring 72. When the transverse clamping transmission slider 73 and the longitudinal clamping transmission slider 74 move to contact with the connecting positioning clamping ring 72, the transverse clamping transmission slider 73 and the longitudinal clamping transmission slider 74 squeeze the motor clamping switch 721 on the connecting positioning clamping ring 72, thereby completing the opening and closing of the positioning motor 7 through the motor clamping switch 721, thereby preventing the transverse clamping transmission slider 73 and the longitudinal clamping transmission slider 74 from squeezing and bending the thin metal sheet.

[0039] Reference Figure 7 and Figure 8 as well as Fig. 9 A punching feed chute 611 is arranged below the punching hole 61, and the punching feed chute 611 is connected to the supporting bottom box 2, a feed slide 23 is arranged in the supporting bottom box 2, and a feed drawer box 24 is arranged at the bottom end of the feed slide 23, a material collection drawer 21 is arranged on one side of the bottom of the supporting bottom box 2, and the material collection drawer 21 is slidably connected with the material collection drawer box 24; when the punching work is performed, the punched thin metal patch falls from the punching hole 61 into the punching feed chute 611, and the thin metal patch falls from the punching feed chute 611 into the supporting bottom box 2, and slides from the feed slide 23 of the supporting bottom box 2 to the material collection drawer 21 in the material collection drawer box 24, and the punched waste can be taken out by pulling out the material collection drawer 21.

[0040] Reference Fig.10 The lower die punching block 62 includes a punching ring 621 and a punching protrusion 622, and the punching ring 621 is sleeved on the outside of the punching protrusion 622, an electromagnetic block 623 is arranged in the punching protrusion 622, and a protrusion support column 624 is connected to the bottom of the lower die punching block 62; when the punching punching and cutting protrusion group 512 punches the lower die punching block 62, special punching holes with concave and convex shapes and holes can be punched out at one time through the lower die punching block 62.

[0041] Reference Fig.10A spring connection base 625 is connected between the convex support column 624 and the punching processing table 1, a telescopic spring 626 is connected between the spring connection base 625 and the punching ring 621, and an electromagnet switch 627 is connected above the spring connection base 625, and a connecting wire 6251 is connected to one side of the spring connection base 625; when punching, the punching ring 621 is first squeezed to form a punching protrusion with a concave and convex shape, and the punching ring 621 is squeezed downward during the punching process, and the punching ring 621 squeezes the telescopic spring 626 in the direction of the spring connection base 625 during the downward movement. The punching ring 621 moves in a row, and when the punching ring 621 moves to a position in contact with the electromagnet switch 627, the punching protrusion 622 completes the punching work at the special punching position, and the punching ring 621 squeezes the electromagnet switch 627 to complete the switch control of the electromagnet block 623. The spring connection base 625 is connected to the power supply through the connecting wire 6251, and one end of the connecting wire 6251 is connected to the electromagnet block 623 on the top of the protrusion support column 624 through the electromagnet switch 627. When the punching work is completed, the electromagnet block 623 adsorbs the metal sheet under the punching, thereby preventing the metal sheet from being stuck in the punching upper mold 51.

[0042] The working process of the present application is as follows: first, the metal sheet to be processed is placed on the punching lower die 6 on the punching processing table 1 for processing, and the metal sheet is clamped and fixed by the longitudinal fixing clamp block 13 and the transverse fixing clamp block 14, and a group of transverse screw rods 71 ​​are driven by the positioning motor 7 to rotate, and the transverse screw rod 71 drives the two groups of bevel gears 75 connected to it to rotate during the rotation process, and the transverse screw rod 71 is rotated through the two groups of bevel gears 75 connected to it during the rotation process, and the two groups of bevel gears 75 drive the two groups of bevel gears 75 meshing with each other to rotate during the rotation process, thereby driving the two groups of longitudinal screw rods 77 to rotate, and the two groups of longitudinal screw rods 77 drive the transverse screw rods 71 ​​connected to the other ends thereof to rotate through the bevel gears 75 during the rotation process, so that the two groups of transverse screw rods 71 ​​and the two groups of longitudinal screw rods 77 rotate together; The longitudinal clamping transmission slide block 74 is driven by the transverse screw rod 71 to slide and move, and the longitudinal clamping transmission slide block 74 can drive the transverse fixed clamp block 14 to slide and move through the sliding connection column 141, and the transverse clamping transmission slide block 73 is driven by the longitudinal screw rod 77 to slide and move, and the transverse clamping transmission slide block 73 can drive the longitudinal fixed clamp block 13 to slide and move through the sliding connection column 141, and the sliding movement of the transverse clamping transmission slide block 73 and the longitudinal clamping transmission slide block 74 is limited and fixed by the limiting snap ring 76 and the connecting positioning snap ring 72, and when the transverse clamping transmission slide block 73 and the longitudinal clamping transmission slide block 74 move to contact with the connecting positioning snap ring 72, the transverse clamping transmission slide block 73 and the longitudinal clamping transmission slide block 74 squeeze the motor clamping switch 721 on the connecting positioning snap ring 72, so that the motor clamping switch 721 is used to complete the opening and closing of the positioning motor 7, thereby preventing the transverse clamping transmission slide block 73 and the longitudinal clamping transmission slide block 74 from squeezing and bending the thin metal sheet; When the thin metal sheet is fixed at the designated punching position, the punching cylinder 4 drives the punching block 5 and the punching upper die 51 connected thereto to punch the punching lower die 6, and the punching punching and cutting protrusion group 512 of the punching upper die 51 punches the thin metal on the punching lower die 6, and the punching punching and cutting protrusion group 512 punches, cuts and extrude the thin metal through the punching hole 61 and the multiple groups of lower die punching blocks 62; When punching, the punched thin metal patch falls from the punching hole 61 into the punching feed trough 611, and the thin metal patch falls from the punching feed trough 611 into the supporting bottom box 2, and slides from the feed slide 23 of the supporting bottom box 2 into the material taking drawer 21 in the material taking drawer box 24, and the waste material from the punching can be taken out by pulling out the material taking drawer 21, and when the punching punching cutting protrusion group 512 punches the lower die punching block 62, the lower die punching block 62 can be used to punch out special punchings with concave-convex shapes and holes at one time, and when punching, a punching protrusion with a concave-convex shape is formed by squeezing the punching ring 621, and the punching ring 621 is squeezed to move downward during the punching process, and the punching ring 621 squeezes the telescopic spring 626 to move in the direction of the spring connection base 625 during the downward movement; When the punching ring 621 moves to the position in contact with the electromagnet switch 627, the punching protrusion 622 completes the punching work at the special punching position, and the punching ring 621 squeezes the electromagnet switch 627 to complete the switch control of the electromagnet block 623, so that the adsorption work is started only after the metal sheet is punched out to avoid affecting the fixing work of the metal sheet. The spring connection base 625 is connected to the power supply through the connecting wire 6251, and one end of the connecting wire 6251 is connected to the electromagnet block 623 at the top of the protrusion support column 624 through the electromagnet switch 627. When the punching work is completed, the electromagnet block 623 adsorbs the stamped metal sheet to prevent the metal sheet from being stuck in the punching upper mold 51, and the metal sheet can be removed by controlling the power off of the electromagnet block 623.

[0043] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A sheet metal positioning punching device, comprising a punching processing table (1), characterized in that: A supporting bottom box (2) is provided at the bottom of the punching processing table (1), and a punching lower mold (6) is connected to the top of the punching processing table (1), a connecting crossbeam (3) is provided above the punching processing table (1), and a plurality of groups of supporting columns (31) are connected between the punching processing table (1) and the connecting crossbeam (3), and a punching cylinder (4) is connected to the connecting crossbeam (3); The output shaft of the punching cylinder (4) is connected to a punching block (5), and the bottom of the punching block (5) is connected to a punching upper mold (51), one side of the punching processing table (1) is connected to a positioning motor (7), and the top of the punching processing table (1) is provided with two groups of mutually symmetrical longitudinal fixing clamps (13), and the top of the punching processing table (1) is provided with two groups of mutually symmetrical transverse fixing clamps (14).

2. A sheet metal positioning punching device according to claim 1, characterized in that: The punching lower die (6) is provided with a plurality of groups of punching hole positions (61) and a plurality of groups of lower die punching blocks (62); the bottom of the punching upper die (51) is provided with four groups of clamping block punching limit grooves (511) staggered in pairs and a plurality of groups of punching punching and cutting protrusion groups (512); and the plurality of groups of punching punching and cutting protrusion groups (512) are respectively interlocked with the plurality of groups of punching hole positions (61) and the plurality of groups of lower die punching blocks (62) corresponding to the plurality of groups in a vertical direction thereof.

3. A sheet metal positioning punching device according to claim 1, characterized in that: The top of the punching processing table (1) is provided with four groups of symmetrical transverse slide grooves (11) and four groups of symmetrical longitudinal slide grooves (12), and the longitudinal fixed clamping blocks (13) are connected to the two groups of transverse slide grooves (11), and the transverse fixed clamping blocks (14) are connected to the two groups of longitudinal slide grooves (12).

4. A sheet metal positioning punching device according to claim 3, characterized in that: The bottoms of both ends of the longitudinal fixed clamp block (13) and the transverse fixed clamp block (14) are provided with sliding connection columns (141), and the longitudinal fixed clamp block (13) and the transverse fixed clamp block (14) are both connected with sliding slots (131), and the sliding slots (131) corresponding to the longitudinal fixed clamp block (13) and the sliding slots (131) corresponding to the transverse fixed clamp block (14) fit each other.

5. A sheet metal positioning punching device according to claim 4, characterized in that: The punching table (1) is provided with two groups of mutually symmetrical transverse screw rods (71) and two groups of mutually symmetrical longitudinal screw rods (77), and the transverse screw rods (71) and the longitudinal screw rods (77) are perpendicular to each other, and one end of one group of the transverse screw rods (71) is connected to the output shaft of the positioning motor (7), and the outer sides of both ends of the transverse screw rods (71) and the longitudinal screw rods (77) are sleeved with bevel gears (75).

6. A sheet metal positioning punching device according to claim 5, characterized in that: The bevel gear (75) on the transverse screw rod (71) meshes with the bevel gear (75) on the adjacent longitudinal screw rod (77); the outer sides of the transverse screw rod (71) and the longitudinal screw rod (77) are both connected to two sets of limit clamping rings (76) and a connecting and positioning clamping ring (72) via bearing sleeves; a motor clamping switch (721) is connected to the side of the connecting and positioning clamping ring (72) away from the center of the punching processing table (1); and a mounting connection block (722) is connected between the connecting and positioning clamping ring (72) and the inner wall of the punching processing table (1).

7. A sheet metal positioning punching device according to claim 6, characterized in that: The transverse screw rod (71) is connected to two groups of transverse clamping transmission slide blocks (73), and the longitudinal screw rod (77) is connected to two groups of longitudinal clamping transmission slide blocks (74). The transverse clamping transmission slide blocks (73) are connected to the longitudinal fixed clamp blocks (13) via sliding connection columns (141), and the longitudinal clamping transmission slide blocks (74) are connected to the transverse fixed clamp blocks (14) via sliding connection columns (141).

8. A sheet metal positioning punching device according to claim 2, characterized in that: A punching material discharge trough (611) is provided below the punching hole (61), and the punching material discharge trough (611) is connected to the support bottom box (2), a material discharge slide (23) is provided in the support bottom box (2), and a material discharge drawer box (22) is provided at the bottom end of the material discharge slide (23), and a material collection drawer (21) is provided on one side of the bottom of the support bottom box (2), and the material collection drawer (21) is slidably connected to the material discharge drawer box (22).

9. A sheet metal positioning punching device according to claim 8, characterized in that: The lower die punching block (62) comprises a punching collar (621) and a punching protrusion (622), wherein the punching collar (621) is sleeved on the outside of the punching protrusion (622), an electromagnetic block (623) is arranged inside the punching protrusion (622), and a protrusion support column (624) is connected to the bottom of the lower die punching block (62).

10. A sheet metal positioning punching device according to claim 9, characterized in that: A spring connection base (625) is connected between the lug support column (624) and the punching processing table (1), a telescopic spring (626) is connected between the spring connection base (625) and the punching ring (621), an electromagnet switch (627) is connected above the spring connection base (625), and a connecting wire (6251) is connected to one side of the spring connection base (625).

Images