Bending mechanism of bending machine

Abstract

The utility model relates to the technical field of mechanical manufacturing, and discloses a bending mechanism of a bending machine, which comprises a bending table, the top of the bending table is fixedly connected with a first half die, the top of the bending table is fixedly connected with a support frame, the two sides of the inner wall of the support frame are fixedly connected with fixing plates, and the two sides of the inner wall of the support frame are fixedly connected with a second half die. A first air cylinder is fixedly connected to one side face of the fixing plate. The mold has the following advantages and effects that the distance between the first half mold and the second half mold is judged according to the second frame plate and the corresponding appropriate adjusting insertion hole, the second air cylinder drives the second telescopic rod to extend downwards so as to drive the locking head to move downwards to be inserted into the adjusting insertion hole, and therefore the second frame plate is locked and fixed; and the second half die is locked and fixed, displacement of the second half die is avoided when the workpiece is bent, the effect of adjusting the distance is achieved, the distance between the bending grooves can be adjusted conveniently according to the angle, needing to be bent, of the workpiece, adjustability is high, and use is more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical manufacturing, in particular to a bending mechanism of a bending machine. Background Art

[0002] In the prior art, Chinese Patent Publication No. CN217223069U discloses a bending mechanism of a bending machine, which relates to the field of bending technology, including: an inner cavity is fixedly installed inside the workbench; springs are fixedly installed on both sides of the middle of the inner cavity; slide grooves are fixedly installed on the inner walls on both sides of the bottom of the inner cavity; a mold is movably installed inside the inner cavity; both sides of the mold are fixedly connected to the top of the spring; sliders are fixedly installed on the left and right sides of the bottom of the mold, and the sliders are movably installed inside the slide groove; a bending groove is fixedly installed in the middle of the top of the mold; a cavity is fixedly installed at the bottom of the bending groove; a first hydraulic cylinder is fixedly installed at the bottom of the cavity; a lifting block is fixedly installed on the top of the first hydraulic cylinder; the beneficial effect is that: the bending mechanism is provided with a first hydraulic cylinder and a lifting block; when the sheet metal piece is bent, the first hydraulic cylinder can drive the lifting block to move upward, so that the sheet metal piece can be pushed upward, so that the bent sheet metal piece is easy to take out.

[0003] However, when the utility model is actually used, the spacing between the inner walls of the bending grooves affects the angle of the sheet metal after bending. When the bending angle needs to be adjusted for different workpieces, it is inconvenient to adjust the spacing between the bending grooves and replace the bending tool. The adjustability is relatively insufficient, which is inconvenient and needs to be improved. Utility Model Content

[0004] The utility model aims to provide a bending mechanism of a bending machine, which is convenient for adjusting the spacing of bending grooves according to the angle of the workpiece to be bent, and has the effect of strong adjustability.

[0005] The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: a bending mechanism of a bending machine, including a bending table, a first half-mold is fixedly connected to the top of the bending table, a support frame is fixedly connected to the top of the bending table, both sides of the inner wall of the support frame are fixedly connected to fixed plates, a side surface of the fixed plate is fixedly connected to a first cylinder, an output end of the first cylinder is fixedly connected to a first telescopic rod, one end of the first telescopic rod is fixedly connected to a second half-mold, a stamping tool is arranged on the top of the second half-mold, an adjustment socket is provided on the top of the bending table, a first frame plate and a second frame plate are respectively fixedly connected to one side of the second half-mold, a second frame plate is fixedly connected to the top of the first frame plate, a second cylinder is fixedly connected to the output end of the second cylinder, a second telescopic rod is fixedly connected to the bottom of the second telescopic rod, and a locking head is fixedly connected to the bottom of the second telescopic rod.

[0006] By adopting the above technical scheme, when in use, the workpiece is placed on the top of the first half mold and the second half mold, and the stamping tool is pressed down to stamp and bend the workpiece. The spacing between the first half mold and the second half mold forms a bending groove. When the spacing needs to be adjusted, the locking head is pulled out from the adjusting socket, and the first cylinder is started to drive the first telescopic rod to be extended and retracted, thereby driving the second half mold to move. The number of adjusting sockets is several. According to the second frame plate and the corresponding appropriate adjusting sockets, the spacing size between the first half mold and the second half mold is judged. After the correspondence, the second cylinder is started, and the second cylinder drives the second telescopic rod to extend downward, thereby driving the locking head to move downward and insert into the adjusting socket, thereby locking and fixing the second frame plate, so that the second half mold is locked and fixed, avoiding the second half mold from shifting when bending the workpiece, achieving the effect of spacing adjustment, and facilitating the adjustment of the spacing of the bending groove according to the angle at which the workpiece needs to be bent. The adjustability is strong and the use is more convenient.

[0007] The utility model is further configured as follows: a through hole is provided inside the second frame plate, and the locking head passes through the inside of the through hole.

[0008] By adopting the above technical solution, the locking head passes through the through hole during locking, thereby being inserted into the inner wall of the adjustment socket.

[0009] The utility model is further configured as follows: a rubber layer is fixedly connected to the outer surface of the locking head, and the outer surface of the rubber layer is coated with a wear-resistant coating.

[0010] By adopting the above technical solution, the rubber layer has elasticity, and when the locking head is inserted into the inner wall of the adjustment hole, it is tighter and more secure, and the wear-resistant coating prevents the rubber layer from being worn.

[0011] The utility model is further configured as follows: buffer sliding grooves are provided on both sides of the inner wall of the support frame, and buffer sliding blocks are fixedly connected to both ends of the second half mold.

[0012] By adopting the above technical solution, when the second half mold is adjusted and moved, it drives the buffer sliding block to slide on the inner wall of the buffer sliding groove.

[0013] The utility model is further configured as follows: a hydraulic cylinder is fixedly connected to the top of the support frame, and a hydraulic telescopic rod is fixedly connected to the output end of the hydraulic cylinder.

[0014] By adopting the above technical solution, the hydraulic cylinder is started during bending, and the hydraulic cylinder drives the hydraulic telescopic rod to extend downward.

[0015] The utility model is further configured as follows: a stamping plate is fixedly connected to the bottom of the hydraulic telescopic rod, and a tool seat is fixedly connected to the top of the stamping tool.

[0016] By adopting the above technical solution, the hydraulic telescopic rod drives the stamping plate to press down, so that the tool seat stamps the workpiece to achieve a bending effect.

[0017] The utility model is further configured as follows: the internal thread of the stamping plate is connected with bolts, and the number of the bolts is six.

[0018] By adopting the above technical solution, the stamping plate and the tool seat are fixed by bolts. After the bolts pass through the bottom of the tool seat and are fixed with matching nuts, it is easy to install, disassemble and replace.

[0019] The utility model is further configured as follows: a bracket is fixedly connected to the inner wall of the support frame, and a third cylinder is fixedly connected to one side of the bracket.

[0020] By adopting the above technical solution, the bracket supports the third cylinder, and the third cylinder is started when the workpiece is placed.

[0021] The utility model is further configured as follows: the output end of the third cylinder is fixedly connected to a positioning plate, and one side of the positioning plate is fixedly connected to an anti-slip plate.

[0022] By adopting the above technical solution, the third cylinder drives the positioning plate to move, and the positioning plate is close to the first half mold to a suitable distance. One end of the workpiece contacts the anti-slip plate to facilitate positioning and alignment. The anti-slip plate increases the friction with the workpiece, making it more stable when placed.

[0023] The utility model is further configured as follows: a supporting slide groove is provided on the inner wall of the supporting frame, and supporting slide blocks are fixedly connected to both ends of the positioning plate.

[0024] By adopting the above technical solution, when the positioning plate moves, it drives the supporting sliding block to slide on the inner wall of the supporting sliding groove, thereby supporting the positioning plate.

[0025] The beneficial effects of the utility model are:

[0026] 1. The utility model, through the coordination arrangement among the bending table, the first half mold, the support frame, the fixing plate, the first cylinder, the first telescopic rod, the second half mold, the punching tool, the adjusting socket, the first frame plate, the second frame plate, the second cylinder, the second telescopic rod and the locking head, can make the device in use, the locking head is pulled out from the adjusting socket, the first cylinder is started, the first telescopic rod is driven to be extended and retracted, thereby driving the second half mold to move, according to the second frame plate and the corresponding appropriate adjusting socket, the spacing size between the first half mold and the second half mold is judged, the second cylinder is started after the correspondence, the second cylinder drives the second telescopic rod to extend downward, thereby driving the locking head to move downward and insert into the adjusting socket, so that the second half mold is locked and fixed, avoiding the second half mold from shifting when bending the workpiece, achieving the effect of spacing adjustment, and facilitating the adjustment of the spacing of the bending grooves according to the angle at which the workpiece needs to be bent, the adjustability is strong, and the use is more convenient.

[0027] 2. The utility model, through the coordination arrangement among the perforation, rubber layer, buffer slide groove, buffer slider, hydraulic cylinder, hydraulic telescopic rod, stamping plate, tool seat, bolt, bracket, third cylinder, positioning plate, anti-skid plate, support slide groove and wear-resistant coating, can make the rubber layer of the device elastic when in use, and it is tighter and more firm when the locking head is inserted into the inner wall of the adjustment hole, the wear-resistant coating prevents the rubber layer from being worn, the bolt passes through the bottom of the tool seat and is fixed with an adaptive nut, which is convenient for installation, disassembly and replacement, the positioning plate is close to the first half mold to a suitable distance, one end of the workpiece is in contact with the anti-skid plate, which is convenient for positioning and alignment, the anti-skid plate increases the friction with the workpiece, and is more stable when placed. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 It is a schematic diagram of the structure of the utility model;

[0030] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0031] Figure 3 This is a schematic diagram of the second half mold structure of the utility model;

[0032] Figure 4 This is a schematic diagram of the locking head structure of the utility model.

[0033] In the figure, 1, bending table; 2, first half mold; 3, support frame; 4, fixing plate; 5, first cylinder; 6, first telescopic rod; 7, second half mold; 8, stamping tool; 9, adjusting socket; 10, first frame plate; 11, second frame plate; 12, second cylinder; 13, second telescopic rod; 14, locking head; 15, perforation; 16, rubber layer; 17, buffer slide; 18, buffer slider; 19, hydraulic cylinder; 20, hydraulic telescopic rod; 21, stamping plate; 22, tool holder; 23, bolt; 24, bracket; 25, third cylinder; 26, positioning plate; 27, anti-skid plate; 28, supporting slide; 29, wear-resistant coating. DETAILED DESCRIPTION

[0034] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Reference Figure 1-4A bending mechanism of a bending machine comprises a bending table 1, a first half mold 2 is fixedly connected to the top of the bending table 1, a support frame 3 is fixedly connected to the top of the bending table 1, a fixing plate 4 is fixedly connected to both sides of the inner wall of the support frame 3, a first cylinder 5 is fixedly connected to one side of the fixing plate 4, a first telescopic rod 6 is fixedly connected to the output end of the first cylinder 5, a second half mold 7 is fixedly connected to one end of the first telescopic rod 6, a punching tool 8 is arranged on the top of the second half mold 7, an adjusting socket 9 is provided on the top of the bending table 1, a first frame plate 10 and a second frame plate 11 are respectively fixedly connected to one side of the second half mold 7, a second cylinder 12 is fixedly connected to the top of the first frame plate 10, a second telescopic rod 13 is fixedly connected to the output end of the second cylinder 12, and a second telescopic rod 13 is fixedly connected to the output end of the second cylinder 12. A locking head 14 is fixedly connected to the bottom. When in use, the workpiece is placed on the top of the first half mold 2 and the second half mold 7, and the punching tool 8 is pressed down to punch and bend the workpiece. The spacing between the first half mold 2 and the second half mold 7 forms a bending groove. When the spacing needs to be adjusted, the locking head 14 is pulled out from the adjustment socket 9, and the first cylinder 5 is started to drive the first telescopic rod 6 to be extended and retracted, thereby driving the second half mold 7 to move. The number of adjustment sockets 9 is several. According to the second frame plate 11 and the corresponding appropriate adjustment sockets 9, the spacing size between the first half mold 2 and the second half mold 7 is judged, and the second cylinder 12 is started after the correspondence. The second cylinder 12 drives the second telescopic rod 13 to extend downward, thereby driving the locking head 14 to move downward and insert into the adjustment socket 9. The second frame plate 11 is thereby locked and fixed, so that the second half mold 7 is locked and fixed, and the second half mold 7 is prevented from shifting when the workpiece is bent, thereby achieving the effect of spacing adjustment, and it is convenient to adjust the spacing of the bending grooves according to the angle at which the workpiece needs to be bent. The adjustability is strong and the use is more convenient. A through hole 15 is provided inside the second frame plate 11, and the locking head 14 passes through the through hole 15. When locking, the locking head 14 passes through the through hole 15 to insert into the inner wall of the adjustment socket 9. The outer surface of the locking head 14 is fixedly connected with a rubber layer 16, and the outer surface of the rubber layer 16 is coated with a wear-resistant coating 29. The rubber layer 16 is elastic, and when the locking head 14 is inserted into the inner wall of the adjustment socket 9, it is more tightly and firmly. The wear-resistant coating 29 prevents the rubber layer 16 from being worn. Buffer slide grooves 17 are provided on both sides of the inner wall of the support frame 3, and buffer slide blocks 18 are fixedly connected to both ends of the second half mold 7. When the second half mold 7 is adjusted and moved, the buffer slide block 18 is driven to slide on the inner wall of the buffer slide groove 17. A hydraulic cylinder 19 is fixedly connected to the top of the support frame 3, and a hydraulic telescopic rod 20 is fixedly connected to the output end of the hydraulic cylinder 19. When bending, the hydraulic cylinder 19 is started, and the hydraulic cylinder 19 drives the hydraulic telescopic rod 20 to extend downward. The bottom of the hydraulic telescopic rod 20 is fixedly connected to a stamping plate 21, and the top of the stamping tool 8 is fixedly connected to a tool seat 22. The hydraulic telescopic rod 20 drives the stamping plate 21 to press down, so that the tool seat 22 stamps the workpiece to achieve a bending effect. The internal thread of the stamping plate 21 is connected with bolts 23, and the number of bolts 23 is six.The punching plate 21 and the tool seat 22 are fixed by bolts 23. The bolts 23 penetrate the bottom of the tool seat 22 and are fixed with matching nuts, which are convenient for installation, disassembly and replacement. The inner wall of the support frame 3 is fixedly connected with a bracket 24. One side of the bracket 24 is fixedly connected with a third cylinder 25. The bracket 24 supports the third cylinder 25. When placing the workpiece, the third cylinder 25 is started. The output end of the third cylinder 25 is fixedly connected with a positioning plate 26. One side of the positioning plate 26 is fixedly connected with an anti-slip plate 27. The third cylinder 25 drives the positioning plate 26 to move. The positioning plate 26 is close to the first half mold 2 to a suitable distance. One end of the workpiece contacts the anti-slip plate 27 for easy positioning and alignment. The anti-slip plate 27 increases the friction with the workpiece, making it more stable when placed. The inner wall of the support frame 3 is provided with a support slide 28. Both ends of the positioning plate 26 are fixedly connected with a support slider. When the positioning plate 26 moves, it drives the support slider to slide on the inner wall of the support slide 28, which plays a supporting role for the positioning plate 26.

[0036] In the utility model, through the coordination arrangement among the bending table 1, the first half mold 2, the support frame 3, the fixing plate 4, the first cylinder 5, the first telescopic rod 6, the second half mold 7, the punching tool 8, the adjusting socket 9, the first frame plate 10, the second frame plate 11, the second cylinder 12, the second telescopic rod 13 and the locking head 14, the device can be used. When in use, the workpiece is placed on the top of the first half mold 2 and the second half mold 7, the punching tool 8 is pressed down to punch and bend the workpiece, and the spacing between the first half mold 2 and the second half mold 7 forms a bending groove. When the spacing needs to be adjusted, the locking head 14 is withdrawn from the adjusting socket 9, the first cylinder 5 is started, and the first telescopic rod 6 is driven to move. The second half mold 7 is extended and retracted, thereby driving the second half mold 7 to move. The number of the adjustment sockets 9 is several. According to the second frame plate 11 and the corresponding appropriate adjustment sockets 9, the spacing size between the first half mold 2 and the second half mold 7 is judged. After the correspondence, the second cylinder 12 is started. The second cylinder 12 drives the second telescopic rod 13 to extend downward, thereby driving the locking head 14 to move downward and insert into the adjustment socket 9, so that the second frame plate 11 is locked and fixed, so that the second half mold 7 is locked and fixed to avoid displacement of the second half mold 7 when bending the workpiece, so as to achieve the effect of spacing adjustment. Through the perforation 15, the rubber layer 16, the buffer slide 17, the buffer slide 18, the hydraulic cylinder 19, the hydraulic telescopic rod 2 0, the punching plate 21, the tool seat 22, the bolt 23, the bracket 24, the third cylinder 25, the positioning plate 26, the anti-slip plate 27, the support slide 28 and the wear-resistant coating 29 are arranged so that when the device is in use, the locking head 14 passes through the through hole 15 when locking, so as to be inserted into the inner wall of the adjustment hole 9, the rubber layer 16 has elasticity, and when the locking head 14 is inserted into the inner wall of the adjustment hole 9, it is more tightly and firmly, and the wear-resistant coating 29 prevents the rubber layer 16 from being worn. When the second half mold 7 is adjusted and moved, it drives the buffer slider 18 to slide on the inner wall of the buffer slide 17, and the hydraulic cylinder 19 is started when bending, and the hydraulic cylinder 19 drives the hydraulic telescopic rod 20 to extend downward The hydraulic telescopic rod 20 drives the stamping plate 21 to press down, so that the tool seat 22 stamps the workpiece to achieve a bending effect. The stamping plate 21 and the tool seat 22 are fixed by bolts 23. The bolts 23 pass through the bottom of the tool seat 22 and are fixed with matching nuts. The bracket 24 supports the third cylinder 25. When placing the workpiece, the third cylinder 25 is started. The third cylinder 25 drives the positioning plate 26 to move. The positioning plate 26 is close to the first half mold 2 to a suitable distance. One end of the workpiece contacts the anti-skid plate 27. The anti-skid plate 27 increases the friction with the workpiece, making it more stable when placed. When moving, the positioning plate 26 drives the supporting slider to slide on the inner wall of the supporting slide groove 28, thereby supporting the positioning plate 26.

Claims

1. A bending mechanism of a bending machine, comprising a bending table (1), characterized in that: The top of the bending table (1) is fixedly connected to a first half mold (2), the top of the bending table (1) is fixedly connected to a support frame (3), both sides of the inner wall of the support frame (3) are fixedly connected to a fixed plate (4), one side of the fixed plate (4) is fixedly connected to a first cylinder (5), the output end of the first cylinder (5) is fixedly connected to a first telescopic rod (6), one end of the first telescopic rod (6) is fixedly connected to a second half mold (7), a punching tool (8) is arranged on the top of the second half mold (7), an adjustment socket (9) is provided on the top of the bending table (1), one side of the second half mold (7) is respectively fixedly connected to a first frame plate (10) and a second frame plate (11), the top of the first frame plate (10) is fixedly connected to a second cylinder (12), the output end of the second cylinder (12) is fixedly connected to a second telescopic rod (13), and the bottom of the second telescopic rod (13) is fixedly connected to a locking head (14).

2. The bending mechanism of a bending machine according to claim 1, characterized in that: A through hole (15) is provided inside the second frame plate (11), and the locking head (14) passes through the inside of the through hole (15).

3. The bending mechanism of a bending machine according to claim 1, characterized in that: The outer surface of the locking head (14) is fixedly connected to a rubber layer (16), and the outer surface of the rubber layer (16) is coated with a wear-resistant coating (29).

4. The bending mechanism of a bending machine according to claim 1, characterized in that: Buffer slide grooves (17) are provided on both sides of the inner wall of the support frame (3), and buffer slide blocks (18) are fixedly connected to both ends of the second half mold (7).

5. The bending mechanism of a bending machine according to claim 1, characterized in that: The top of the support frame (3) is fixedly connected to a hydraulic cylinder (19), and the output end of the hydraulic cylinder (19) is fixedly connected to a hydraulic telescopic rod (20).

6. The bending mechanism of a bending machine according to claim 5, characterized in that: The bottom of the hydraulic telescopic rod (20) is fixedly connected to a punching plate (21), and the top of the punching tool (8) is fixedly connected to a tool seat (22).

7. The bending mechanism of a bending machine according to claim 6, characterized in that: The internal threads of the stamping plate (21) are connected with bolts (23), and the number of the bolts (23) is six.

8. The bending mechanism of a bending machine according to claim 1, characterized in that: A bracket (24) is fixedly connected to the inner wall of the support frame (3), and a third cylinder (25) is fixedly connected to one side of the bracket (24).

9. The bending mechanism of a bending machine according to claim 8, characterized in that: The output end of the third cylinder (25) is fixedly connected to a positioning plate (26), and a side surface of the positioning plate (26) is fixedly connected to an anti-slip plate (27).

10. The bending mechanism of a bending machine according to claim 9, characterized in that: The inner wall of the support frame (3) is provided with a support sliding groove (28), and both ends of the positioning plate (26) are fixedly connected with a support sliding block.

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