CN214235718U - Bending machine capable of bending for multiple times - Google Patents

Abstract

The application relates to a bending machine capable of bending for multiple times, which comprises an underframe, wherein a lower guide rail is fixedly connected on the underframe, the lower guide rail is connected with a workbench in a sliding way, the lower guide rail is connected with a lower driving piece for driving the workbench to move, the upper surface of the bottom frame is connected with a top frame, the top frame is provided with a bending mechanism, the bending mechanism comprises a first bending frame and a second bending plate, the top frame is connected with a first bending driving cylinder which is connected with the first bending frame, the first bending frame is connected with a first guide plate, the second bending plate is matched with the first guide plate in a sliding way, a second bending driving air cylinder for driving the second bending plate to move is connected to the first bending frame, and a third bending driving cylinder is connected to the top frame, and a third bending plate is connected to the third bending driving cylinder. This application has the fashioned effect of direct bending of tinfoil spare that makes the bender need bend many times.

Description

Bending machine capable of bending for multiple times

Technical Field

The application relates to the field of bending machines, in particular to a bending machine capable of bending for multiple times.

Background

The bending machine is a machine capable of bending thin plates, and mainly structurally comprises a support, a workbench and a clamping plate, wherein the workbench is arranged on the support and comprises a base and a pressing plate, the base is connected with the clamping plate through a hinge and comprises a seat shell, a coil and a cover plate, the coil is arranged in a recess of the seat shell, and the cover plate covers the top of the recess.

Referring to fig. 1, a conventional bending piece is formed by bending tin foil paper, and the bending piece includes a straight plate 12 and a folding plate 13, the folding plate 13 is perpendicular to the straight plate 12 and is integrally formed with the straight plate 12, an outer folded edge 14 is integrally formed on one side of the folding plate 13, which is far away from the straight plate 12, the outer folded edge 14 is folded towards one side, which is far away from the straight plate 12, and an included angle between the outer folded edge 14 and the folding plate 13 is an acute angle.

When the outer hem and the folded plate are formed, the tinfoil paper needs to be bent twice, after the tinfoil paper is bent each time, an operator needs to take the tinfoil paper off, the angle is manually adjusted, the tinfoil paper is bent for the second time, the production efficiency is low, and errors are easily generated when the tinfoil paper is bent for the second time.

SUMMERY OF THE UTILITY MODEL

In order to make the bender directly bend the shaping to the tinfoil spare that needs bend many times, this application provides a bender of bending many times.

The application provides a bender of bending many times adopts following technical scheme:

a bending machine capable of bending for multiple times comprises a base frame, wherein a lower guide rail is fixedly connected onto the base frame, the length direction of the lower guide rail is the same as that of the base frame, a workbench is connected onto the lower guide rail in a sliding manner, a lower driving piece used for driving the workbench to do linear motion is connected onto the lower guide rail, the upper surface of the base frame is connected with a top frame, a bending mechanism matched with the workbench for bending is arranged on the top frame, the bending mechanism comprises a first bending frame and a second bending plate, a first bending driving air cylinder vertically arranged is connected onto the top frame, a telescopic rod of the first bending driving air cylinder is fixedly connected onto the first bending frame, a first guide plate is fixedly connected onto one side of the first bending frame, the second bending plate is matched with the first guide plate in a sliding manner, and a second bending driving air cylinder used for driving the second bending plate to do linear motion is connected onto the first bending frame, the top frame is connected with a third bending driving cylinder which is vertically arranged, a telescopic rod of the third bending driving cylinder is connected with a third bending plate, and a through groove through which the third bending plate passes is formed in the first bending frame.

By adopting the technical scheme, the first bending driving air cylinder drives the first bending frame to move downwards to realize first bending by being matched with the workbench, the second bending driving air cylinder drives the second bending plate to move to bend the workpiece for the second time, and the third bending driving air cylinder drives the third bending plate to move downwards to finish final bending, so that repeated bending of the workpiece is realized.

Optionally, the workstation includes bottom plate and elevating platform, the bottom plate slides and connects in the lower guideway, fixedly connected with pressure spring that resets between bottom plate and the elevating platform, the elevating platform is used for coordinating first bending frame and accomplishes bending for the first time, one side on the long limit of elevating platform is equipped with fixed connection in the fixed station of bottom plate, the upper surface of elevating platform is parallel and level with the upper surface of fixed station mutually, the fixed station is towards one side fixedly connected with baffle of elevating platform.

By adopting the technical scheme, the lifting platform moves downwards when stressed, the height difference is generated between the lifting platform and the fixed platform, the workpiece is bent, the first bending frame resets after the bending is completed, the reset pressure spring pushes the lifting platform to reset, and the first bending frame is matched with the first bending frame to realize the first bending.

Optionally, the bottom surface fixedly connected with gag lever post of elevating platform, the bottom plate is worn to establish by the gag lever post, the pressure spring cover that resets is established on the gag lever post and is extruded between bottom plate and elevating platform.

By adopting the technical scheme, the limiting rod provides guidance for the ejection pressure spring, and the possibility of deflection of the lifting platform caused by deflection generated when the ejection pressure spring is deformed is reduced.

Optionally, one side of the partition board, which is away from the fixed table, is fixedly connected with a second guide plate.

Through adopting above-mentioned technical scheme, the second deflector provides the direction to the second board of bending, has further improved the accuracy of bending.

Optionally, the bottom surface of the limiting rod is fixedly connected with a limiting plate.

Through adopting above-mentioned technical scheme, the limiting plate is spacing to the gag lever post, has reduced the possibility that the gag lever post deviates from the bottom plate.

Optionally, a first mounting hole is formed in the lifting table, a first positioning column and a first ejection pressure spring are arranged in the first mounting hole, the first ejection pressure spring is extruded between the bottom of the first mounting hole and the bottom surface of the first positioning column, and the first positioning column is provided with a plurality of positioning holes along the long side edge of the workpiece to be machined.

Through adopting above-mentioned technical scheme, first reference column is spacing to the work piece in length direction, has improved the accuracy of bending.

Optionally, a second mounting hole is formed in the lifting table, a second positioning column and a second ejection pressure spring are arranged in the second mounting hole, the second ejection pressure spring is extruded between the bottom of the second mounting hole and the bottom surface of the second positioning column, and at least one second positioning column is arranged along the wide side of the workpiece to be processed.

By adopting the technical scheme, the second positioning column limits the workpiece in the width direction, so that the bending accuracy is improved.

Optionally, the bottom surface of the first bending frame is fixedly connected with an anti-abrasion pad.

By adopting the technical scheme, the abrasion-proof pad reduces abrasion to the workpiece and protects the workpiece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first bending driving cylinder drives the first bending frame to move downwards to be matched with the workbench to realize first bending, the second bending driving cylinder drives the second bending plate to move to perform second bending on the workpiece, and the third bending driving cylinder drives the third bending plate to move downwards to finish final bending, so that multiple times of bending of the workpiece are realized;

2. the lifting platform moves downwards when stressed, a height difference is generated between the lifting platform and the fixed platform, the workpiece is bent, after the bending is completed, the first bending frame resets, the resetting pressure spring pushes the lifting platform to reset, and the first bending frame is matched with the lifting platform to realize the first bending;

3. the first positioning column limits the workpiece in the length direction, and bending accuracy is improved.

Drawings

Fig. 1 is a schematic structural view of a bending member of the related art.

Fig. 2 is a schematic structural diagram of a bending machine according to an embodiment of the application.

Fig. 3 is a schematic structural diagram of a workbench according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a guide assembly according to an embodiment of the present application.

FIG. 5 is a cross-sectional view of a first positioning post useful in embodying embodiments of the present application.

FIG. 6 is a cross-sectional view of a second locating post useful in embodying embodiments of the present application.

Fig. 7 is a schematic structural diagram of a bending mechanism according to an embodiment of the present application.

Description of reference numerals: 1. a chassis; 101. installing a frame; 1011. a lower rodless cylinder; 1012. a support plate; 102. supporting legs; 103. a lower guide rail; 104. a finished product frame; 2. a work table; 201. a base plate; 202. a lifting platform; 2021. resetting the pressure spring; 2022. a limiting rod; 2023. a limiting plate; 2024. a first mounting hole; 2025. a first positioning post; 2026. a first ejection pressure spring; 2027. a second mounting hole; 2028. a second positioning column; 2029. a second ejection pressure spring; 3. a material storage frame; 301. a limiting block; 302. an elastic component; 3021. a limiting pressure spring; 3022. a slide bar; 3023. a stopper; 4. a top frame; 401. a support pillar; 402. a top cover; 4021. an upper rodless cylinder; 4022. installing a shaft; 4023. a mounting seat; 4024. a sliding seat; 4025. a first bending driving cylinder; 4026. the third bending drives the air cylinder; 4027. an adapter plate; 4028. a third bending plate; 5. a mounting frame; 501. an upper mounting plate; 5011. a first cylinder; 502. a lower mounting plate; 5021. a second cylinder; 503. fixing the rod; 6. a first adsorption mechanism; 601. a first fixing plate; 602. a first vacuum chuck; 7. a second adsorption mechanism; 701. a second fixing plate; 702. a second vacuum chuck; 8. a bending mechanism; 801. a first bending frame; 8011. an upper connecting plate; 8012. a lower connecting plate; 8013. a connecting rod; 8014. an anti-wear pad; 8015. a first guide plate; 8016. a second bending driving cylinder; 8017. a through groove; 802. a second bending plate; 9. a guide assembly; 901. a guide bar; 902. a guide sleeve; 10. a fixed table; 1001. a transverse plate; 1002. a vertical plate; 1003. a partition plate; 1004. a second guide plate; 11. a tin foil piece; 12. a straight plate; 13. turning the folded plate; 14. and (7) folding the edges outwards.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

The present application is described in further detail below with reference to figures 2-7.

The embodiment of the application discloses bender of bending many times. Referring to fig. 2, the bending machine capable of bending for multiple times includes a base frame 1, where the base frame 1 includes a mounting frame 101 and supporting legs 102, and the mounting frame 101 is a square frame and is horizontally disposed. The four supporting legs 102 are provided, and the four supporting legs 102 are fixedly connected to the mounting frame 101 and distributed at four corners of the mounting frame 101.

Referring to fig. 2 and 3, a lower rail 103 is fixedly connected to the mounting frame 101, and a longitudinal direction of the lower rail 103 is in the same direction as a longitudinal direction of the mounting frame 101. The lower guide rail 103 is connected with the workbench 2 in a sliding manner, the mounting frame 101 is connected with a lower driving piece, and the lower driving piece is used for driving the workbench 2 to perform linear reciprocating motion.

Referring to fig. 2 and 3, the lower driving member is a lower rodless cylinder 1011, and the length direction of the lower rodless cylinder 1011 is parallel to the length direction of the mounting frame 101. The lower rodless cylinder 1011 is bolted to the mounting frame 101, and the workbench 2 is fixedly connected to the slider of the lower rodless cylinder 1011. When the lower rodless cylinder 1011 works, the sliding block is linked with the cylinder, so that the linear motion of the workbench 2 is realized.

Referring to fig. 2, a storage frame 3 is disposed on one side of the long edge of the working table 2, a supporting plate 1012 is fixedly connected to the mounting frame 101, and the storage frame 3 is disposed on the supporting plate 1012. In order to ensure the stability of the workpiece to be processed in the material storage frame 3, a limiting block 301 is fixedly connected in the material storage frame 3.

Referring to fig. 3, the limiting block 301 is provided with a plurality of limiting blocks along the edge of the workpiece to be processed, the limiting block 301 limits the workpiece to be processed, the possibility that the workpiece is displaced in the material storage frame 3 is reduced, and the position accuracy when the workpiece is taken out during processing is guaranteed. One side of the workbench 2 departing from the material storage frame 3 is provided with a finished product frame 104, and the finished product frame 104 is bolted to the side wall of the long edge of the mounting frame 101.

Referring to fig. 2, a top frame 4 is connected to the top of the bottom frame 1, the top frame 4 includes a supporting column 401 and a top cover 402, the top cover 402 is located above the installation frame 101 and is horizontally disposed, and the supporting column 401 is fixedly connected between the top cover 402 and the installation frame 101. The number of the support columns 401 is four, and the four support columns 401 are distributed at four corners of the top surface of the mounting frame 101.

Referring to fig. 2, an upper driving member is bolted to the bottom surface of the top cover 402, the upper driving member is an upper rodless cylinder 4021, the length direction of the upper rod cylinder is parallel to the width direction of the bottom frame 1, and a mounting frame 5 is fixedly connected to the bottom surface of a sliding block of the upper rodless cylinder 4021.

Referring to fig. 2, in order to reduce the bearing pressure of upper rodless cylinder 4021, top cover 402 is provided with an installation shaft 4022 on one side facing chassis 1, the longitudinal direction of installation shaft 4022 is the same as the longitudinal direction of upper rodless cylinder 4021, mounting seats 4023 are fixedly connected to both ends of installation shaft 4022, and mounting seats 4023 are fixedly connected to the bottom surface of top cover 402. The mounting shaft 4022 is slidably sleeved with a sliding seat 4024 fixedly connected to the mounting bracket 5.

Referring to fig. 2, two mounting shafts 4022 are arranged relatively to the upper rodless cylinder 4021, and the two mounting shafts 4022 provide a supporting force for the mounting bracket 5, so that the stability of the mounting bracket 5 is further improved.

Referring to fig. 2, a first adsorption mechanism 6 for adsorbing a workpiece to be bent and a second adsorption mechanism 7 for adsorbing the bent workpiece are sequentially arranged on the bottom surface of the mounting frame 5 along the direction from the storage frame 3 to the finished product frame 104. One side of the bottom surface of the top cover 402, which is far away from the mounting shaft 4022, is provided with a bending mechanism 8, and the bending mechanism 8 is matched with the workbench 2 to bend the workpiece.

During machining, the first adsorption mechanism 6 sucks the workpiece to be machined from the material storage frame 3, and under the driving of the upper rodless cylinder 4021, the first adsorption mechanism 6 moves to the upper side of the workbench 2 along the installation shaft 4022 and places the workpiece to be machined on the workbench 2. Next, the lower rodless cylinder 1011 drives the table 2 to move along the guide rail, and at the same time, the first adsorption mechanism 6 is reset by the upper rodless cylinder 4021. When the workbench 2 moves to the lower part of the bending mechanism 8, the bending mechanism 8 is matched with the workbench 2 to bend the workpiece to be processed. After the bending is completed, the table 2 is reset by the driving of the lower rodless cylinder 1011.

At this time, the second suction mechanism 7 sucks the machined workpiece from the table 2, and the first suction mechanism 6 sucks the workpiece in the stock frame 3 again. The upper rodless cylinder 4021 drives the first adsorption mechanism 6 and the second adsorption mechanism 7 to move, when the first adsorption mechanism 6 is positioned above the workbench 2, the first adsorption mechanism 6 places a workpiece to be machined on the workbench 2, meanwhile, the second adsorption mechanism 7 places the machined workpiece in the finished product frame 104, and the processes are repeated in a circulating mode.

Finally, automatic feeding before bending and automatic material taking after bending are completed, full-automatic production is achieved, labor cost is reduced, in addition, synchronous feeding and material taking are achieved, and production efficiency is improved.

Referring to fig. 2, the mounting bracket 5 includes an upper mounting plate 501, a fixing rod 503, and a lower mounting plate 502, and both the upper mounting plate 501 and the lower mounting plate 502 are horizontally disposed. The upper mounting plate 501 is fixedly connected to the bottom surface of the slider of the upper rodless cylinder 4021 and the bottom surface of the sliding seat 4024, and the fixing rod 503 is fixedly connected between the upper mounting plate 501 and the lower mounting plate 502.

Referring to fig. 2, the top surface of the lower mounting plate 502 is bolted with a first cylinder 5011, and the telescopic rod of the first cylinder 5011 is vertically arranged and penetrates through the lower mounting plate 502. The first suction mechanism 6 includes a first fixing plate 601 and a first vacuum chuck 602, and the first fixing plate 601 is fixedly connected to the telescopic rod of the first cylinder 5011. The first vacuum chucks 602 are connected to a side of the first fixing plate 601 away from the first cylinder 5011, and a plurality of the first vacuum chucks are distributed. An air source is connected to the first vacuum chuck 602, and the circuit is opened and closed by controlling the electromagnetic valve, so that the first vacuum chuck 602 intermittently adsorbs a workpiece.

Referring to fig. 2 and 3, as the processing time increases, the number of workpieces to be processed in the magazine 3 gradually decreases, the distance between the first vacuum chuck 602 and the workpiece to be processed changes, the stroke of the first cylinder 5011 needs to be adjusted, and the operation is troublesome. In order to avoid adjusting the stroke of the telescopic rod of the first cylinder 5011, an elastic assembly 302 is arranged between the storage frame 3 and the supporting plate 1012.

Referring to fig. 3, the elastic assembly 302 includes a limiting compression spring 3021 and a sliding rod 3022, the sliding rod 3022 is fixedly connected to the bottom of the material storage frame 3 and penetrates through the supporting plate 1012, a stopper 3023 is fixedly connected to the bottom end of the sliding rod 3022, the cross-sectional area of the stopper 3023 is larger than that of the sliding rod 3022, and the limiting compression spring 3021 is pressed between the material storage frame 3 and the sliding rod 3022.

The storage frame 3 is extruded after the first vacuum chuck 602 moves downwards, and the height of the storage frame 3 can be automatically adjusted through elastic deformation of the limiting pressure spring 3021, so that the first vacuum chuck 602 can be attached to a workpiece to be processed in the storage frame 3 all the time, the adsorption effect of the first vacuum chuck 602 is ensured, and the stroke of the telescopic rod of the first cylinder 5011 is not required to be adjusted according to the number of the workpieces to be processed.

Referring to fig. 2, the top surface of the lower mounting plate 502 is bolted with a second cylinder 5021, the second cylinder 5021 is located on one side of the first cylinder 5011 facing the finished product frame 104, and the telescopic rod of the second cylinder 5021 is vertically arranged and penetrates through the lower mounting plate 502.

Referring to fig. 2, the second adsorption mechanism 7 includes a second fixing plate 701 and a second vacuum chuck 702, and the second fixing plate 701 is fixedly connected to the expansion link of the second cylinder 5021. The second vacuum chucks 702 are connected to a side of the second fixing plate 701 away from the second cylinder 5021, and a plurality of vacuum chucks are distributed on the side. An air source is connected to the second vacuum chuck 702, and the on-off of the circuit is realized by controlling the electromagnetic valve, so that the second vacuum chuck 702 intermittently adsorbs the workpiece.

When the first adsorption mechanism 6 is above the material storage frame 3, the second adsorption mechanism 7 is above the workbench 2, at this time, the telescopic rod of the first cylinder 5011 is linked with the first fixing plate 601 to move downwards until the first vacuum chuck 602 is attached to a workpiece to be processed in the material storage frame 3, and the workpiece to be processed of the first vacuum chuck 602 is adsorbed. Meanwhile, the telescopic rod of the second cylinder 5021 is linked with the second fixing plate 701 to move downwards until the second vacuum chuck 702 is attached to the machined workpiece on the workbench 2, the second vacuum chuck 702 adsorbs the machined workpiece, and then the first fixing plate 601 and the second fixing plate 701 are reset.

Next, upper rodless cylinder 4021 drives mounting bracket 5 to move until first fixing plate 601 moves above work table 2, and at this time, second fixing plate 701 is located above finished product frame 104. Then, the first cylinder 5011 extends and contracts the rod to move downward together with the first fixing plate 601, and simultaneously, the second cylinder 5021 extends and contracts the rod to move downward together with the second fixing plate 701. When the workpiece to be processed comes into contact with the table 2, the first vacuum chuck 602 releases the suction of the workpiece to be processed, and at the same time, the second vacuum chuck 702 releases the suction of the processed workpiece, and the processed workpiece falls into the finished product frame 104. Finally, go up rodless cylinder 4021 drive mounting bracket 5 and reset, realized that automatic feeding and automatic material of getting are gone on simultaneously, improved efficiency.

Referring to fig. 2 and 4, in order to improve stability when the first fixing plate 601 and the second fixing plate 701 vertically move, a guide assembly 9 is connected to each of the first fixing plate 601 and the second fixing plate 701. Two sets of guide assemblies 9 are symmetrically disposed on the first fixing plate 601 with respect to the first cylinder 5011, and two sets of guide assemblies 9 are symmetrically disposed on the second fixing plate 701 with respect to the second cylinder 5021.

Referring to fig. 4, the guiding assembly 9 includes a guide rod 901 and a guide sleeve 902, the guide rod 901 is a vertically arranged round rod, the guide sleeve 902 is a T-shaped sleeve, and the guide rod 901 and the guide sleeve 902 are in sliding fit.

Referring to fig. 4, the guide rods 901 are fixedly connected to the upper surfaces of the first fixing plate 601 and the second fixing plate 701, the guide sleeves 902 are fixedly embedded in the lower mounting plate 502, and the guide rods 901 and the guide sleeves 902 are arranged in a one-to-one correspondence.

Referring to fig. 3, the working table 2 includes a bottom plate 201 and a lifting table 202, and the bottom plate 201 is horizontally disposed and slidably engaged with the lower guide rail 103. The lifting platform 202 is located above the bottom plate 201 and is horizontally arranged, a resetting pressure spring 2021 is fixedly connected between the lifting platform 202 and the bottom plate 201, the lifting platform 202 moves downwards after being stressed, and the elastic potential energy of the resetting pressure spring 2021 enables the lifting platform 202 to reset.

Referring to fig. 3, in order to reduce the possibility of deviation generated when the lifting platform 202 descends, a vertically arranged limiting rod 2022 is fixedly connected to the bottom surface of the lifting platform 202, and a restoring pressure spring 2021 is sleeved on the limiting rod 2022 and is extruded between the bottom plate 201 and the lifting platform 202. The four limiting rods 2022 are disposed at four corners of the lifting platform 202, and the four limiting rods 2022 penetrate through the bottom plate 201 and are in sliding fit with the bottom plate 201. The bottom surface of the stop rod 2022 is fixedly connected with a stop plate 2023, and the stop plate 2023 stops the stop rod 2022.

Referring to fig. 5, a first mounting hole 2024 is formed in the upper surface of the lifting table 202, a first positioning post 2025 is slidably disposed in a hole of the first mounting hole 2024, a first ejecting compression spring 2026 is extruded between the first positioning post 2025 and the bottom of the first mounting hole 2024, and a plurality of first positioning posts 2025 are disposed along the long side of the workpiece.

Referring to fig. 6, a second mounting hole 2027 is formed in the upper surface of the lifting table 202, a second positioning column 2028 is slidably disposed in a hole of the second mounting hole 2027, a second ejecting compression spring 2029 is pressed between the second positioning column 2028 and the bottom of the second mounting hole 2027, and at least one second positioning column 2028 is disposed along the wide side of the workpiece.

The first positioning column 2025 and the second positioning column 2028 are matched with each other to position the workpiece on the lifting table 202, so that the possibility of movement of the workpiece during bending is reduced, and the bending accuracy is improved.

Referring to fig. 2 and 3, a fixing table 10 is disposed on one side of the lifting table 202 facing the finished frame 104, the fixing table 10 includes a horizontal plate 1001 and a vertical plate 1002, the vertical plate 1002 is fixedly connected to the bottom plate 201, and the length direction of the vertical plate 1002 is parallel to the lifting table 202. The horizontal plate 1001 is fixedly connected to the upper surface of the vertical plate 1002, and the upper surface of the horizontal plate 1001 is flush with the upper surface of the lifting platform 202. A partition plate 1003 is fixedly connected to one side of the vertical plate 1002 facing the lifting platform 202.

Referring to fig. 7, the bending mechanism 8 includes a first bending frame 801 and a second bending plate 802, the bending frame includes an upper connecting plate 8011, a lower connecting plate 8012 and a connecting rod 8013 that are horizontally disposed, the upper connecting plate 8011 and the lower connecting plate 8012 are horizontally disposed, and the connecting rod 8013 is fixedly connected therebetween. The bottom surface of the lower connecting plate 8012 is fixedly connected with an anti-abrasion pad 8014, the anti-abrasion pad 8014 is a rubber pad, and rubber has good elasticity, so that abrasion to workpieces is reduced. The bottom surface of top cover 402 is bolted with a first bending driving cylinder 4025 which is vertically arranged, and the telescopic rod of first bending driving cylinder 4025 is fixedly connected to the top surface of upper connecting plate 8011.

Referring to fig. 3 and 7, one side of lower connecting plate 8012 towards fixed station 10 is fixedly connected with first deflector 8015 that is vertical setting, and upper connecting plate 8011's bottom surface bolt has connect the second and has bent drive cylinder 8016, and second deflector 802 fixed connection is in the telescopic link of second bending drive cylinder 8016, and with first deflector 8015 sliding fit, first deflector 8015 provides the direction for the motion of second deflector 802, has improved the stability when bending.

Referring to fig. 7, in order to further ensure the accuracy of the second bending, a second guide plate 1004 is fixedly connected to a side of the partition 1003 away from the riser 1002, and the shape of the upper edge of the second guide plate 1004 is the same as that of the upper edge of the first guide plate 8015.

Referring to fig. 7, a third bending driving cylinder 4026 vertically arranged is bolted to the bottom surface of the top cover 402, adapter plates 4027 horizontally arranged are fixedly connected to an expansion link of the third bending driving cylinder, three adapter plates 4027 are arranged at equal intervals along the vertical direction, a third bending plate 4028 is fixedly connected to one side of each adapter plate 4027 facing the bending frame, and a through groove 8017 for the third bending plate 4028 to penetrate is formed in the upper connecting plate 8011.

During bending, the first bending driving cylinder 4025 drives the first bending frame 801 to move downwards until the abrasion-proof pad 8014 is attached to the workbench 2, and the first bending is completed. Then, the second bending driving cylinder 8016 moves the second bending plate 802 in conjunction with the second bending plate 802, and the second bending plate 802 moves toward the vertical plate 1002 to perform a second bending, and at this time, the outer bending edge 14 is perpendicular to the bending plate 13. Finally, the third bending driving cylinder 4026 drives the third bending plate 4028 to move downward until the third bending plate 4028 presses the outer folded edge 14, and an included angle between the outer folded edge 14 and the bending plate 13 is an acute angle, so that the bending is completed.

The implementation principle of the bending machine capable of bending for multiple times in the embodiment of the application is as follows: during operation, the first adsorption mechanism 6 adsorbs a workpiece to be processed in the storage frame 3, and simultaneously, the second adsorption mechanism 7 adsorbs a processed workpiece in the finished product frame 104. Under the driving of the upper rodless cylinder 4021, the first adsorption component moves to the position above the workbench 2, and a workpiece to be processed is placed on the workbench 2; at the same time, the second suction assembly moves over the finish frame 104 and places the processed workpiece within the finish frame 104.

Next, the lower rodless cylinder 1011 drives the table 2 to move below the bending mechanism 8, the first bending drive cylinder 4025 drives the first bending frame 801 to move downward, and the second bending drive cylinder 8016 moves the second bending plate 802 toward the vertical plate 1002. Then, the third bending driving cylinder 4026 drives the third bending plate 4028 to move downwards to complete the bending, and finally, the lower rodless cylinder 1011 drives the workbench 2 to reset, and the process is cyclically repeated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a bender of multiple bending which characterized in that: the bending device comprises an underframe (1), wherein a lower guide rail (103) is fixedly connected to the underframe (1), the length direction of the lower guide rail (103) is the same as that of the underframe (1), a workbench (2) is connected to the lower guide rail (103) in a sliding manner, a lower driving piece for driving the workbench (2) to perform linear motion is connected to the lower guide rail (103), a top frame (4) is connected to the upper surface of the underframe (1), a bending mechanism (8) which is matched with the workbench (2) to bend is arranged on the top frame (4), the bending mechanism (8) comprises a first bending frame (801) and a second bending plate (802), a first bending driving cylinder (4025) which is vertically arranged is connected to the top frame (4), a telescopic rod of the first bending driving cylinder (4025) is fixedly connected to the first bending frame (801), and a first guide plate (8015) is fixedly connected to one side of the first bending frame (801) facing the workbench (2), second bending plate (802) and first deflector (8015) cooperation of sliding, be connected with on first bending frame (801) and be used for driving second bending plate (802) and carry out rectilinear motion's second bending and drive actuating cylinder (8016), be connected with on roof-rack (4) and be vertical setting third bending and drive actuating cylinder (4026), be connected with third bending plate (4028) on the telescopic link of third bending drive actuating cylinder (4026), it has logical groove (8017) that third bending plate (4028) passed to open on first bending frame (801).

2. A multiple-bending machine according to claim 1, wherein: workstation (2) are including bottom plate (201) and elevating platform (202), bottom plate (201) slide to be connected in lower guideway (103), fixedly connected with pressure spring (2021) that resets between bottom plate (201) and elevating platform (202), elevating platform (202) are used for coordinating first frame (801) of bending and accomplish bending for the first time, one side on the long limit of elevating platform (202) is equipped with fixed station (10) of fixed connection in bottom plate (201), the upper surface of elevating platform (202) and the upper surface looks parallel and level of fixed station (10), fixed station (10) are towards one side fixedly connected with baffle (1003) of elevating platform (202).

3. A multiple-bending machine according to claim 2, wherein: the bottom surface of the lifting platform (202) is fixedly connected with a limiting rod (2022), the limiting rod (2022) penetrates through the bottom plate (201), and the reset pressure spring (2021) is sleeved on the limiting rod (2022) and is extruded between the bottom plate (201) and the lifting platform (202).

4. A multiple-bending machine according to claim 2, wherein: and a second guide plate (1004) is fixedly connected to one side of the partition plate (1003) departing from the fixed table (10).

5. A multiple-bending machine according to claim 3, wherein: the bottom surface of the limiting rod (2022) is fixedly connected with a limiting plate (2023).

6. A multiple-bending machine according to claim 2, wherein: the lifting table (202) is provided with a first mounting hole (2024), a first positioning column (2025) and a first ejection compression spring (2026) are arranged in the hole of the first mounting hole (2024), the first ejection compression spring (2026) is extruded between the hole bottom of the first mounting hole (2024) and the bottom surface of the first positioning column (2025), and the first positioning column (2025) is provided with a plurality of positioning columns along the long side edge of a workpiece to be processed.

7. A multiple-bending machine according to claim 2, wherein: a second mounting hole (2027) is formed in the lifting table (202), a second positioning column (2028) and a second ejection compression spring (2029) are arranged in the hole of the second mounting hole (2027), the second ejection compression spring (2029) is extruded between the bottom of the hole of the second mounting hole (2027) and the bottom surface of the second positioning column (2028), and at least one second positioning column (2028) is arranged along the wide side of the workpiece to be processed.

8. A multiple-bending machine according to claim 1, wherein: the bottom surface of the first bending frame (801) is fixedly connected with an anti-abrasion pad (8014).

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