CN110465580B - Processing platform - Google Patents
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- CN110465580B CN110465580B CN201910818099.9A CN201910818099A CN110465580B CN 110465580 B CN110465580 B CN 110465580B CN 201910818099 A CN201910818099 A CN 201910818099A CN 110465580 B CN110465580 B CN 110465580B
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- 238000012545 processing Methods 0.000 title claims abstract description 23
- 238000004080 punching Methods 0.000 claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims description 86
- 238000005520 cutting process Methods 0.000 claims description 34
- 230000007306 turnover Effects 0.000 claims description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 description 22
- 230000000670 limiting effect Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- 238000003466 welding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a processing platform, which comprises a machine table, a machine frame fixedly connected to the machine table, a four-side positioning and clamping device and a double-side punching device, wherein the four-side positioning and clamping device and the double-side punching device are both arranged on the machine frame, the four-side positioning and clamping device is used for clamping a workpiece, and the double-side punching device is used for punching two sides of the workpiece at the same time. The four-side positioning clamping device is arranged to clamp and position the top surface, the bottom surface and a pair of side surfaces of the workpiece, the workpiece is clamped under the limitation of clamping force in the vertical direction and the horizontal direction, and the workpiece is not easy to deviate when punching is performed; the double-sided punching device is arranged to simultaneously punch two sides of the workpiece, in other words, every two holes correspond to one punching device, the number of the punching devices is small, and the structure of the processing platform is simple.
Description
Technical Field
The invention relates to the field of manufacturing, in particular to a processing platform.
Background
In the automobile body manufacturing process, procedures such as welding and punching are needed to be completed on the automobile body, a plurality of holes which need to be punched and formed are usually formed in the automobile body, a punching device which is included in an existing processing platform is usually only used for punching one surface of a workpiece, each hole needs to correspond to one punching device, the number of the punching devices is large, the processing platform is complex in structure, besides, when the punching procedure is carried out, the workpiece is clamped in the vertical direction by the positioning clamping device which is included in the existing processing platform, the workpiece clamped on the positioning clamping device is positioned in the horizontal direction through the fixing structure, and when the workpiece is punched, the positioning clamping device does not have clamping force in the horizontal direction, so that the workpiece is easy to deviate in the horizontal direction.
Disclosure of Invention
The invention aims to solve the technical problems that: the processing platform is provided, the number of punching devices is numerous, and the positioning and clamping precision is low.
The invention solves the technical problems as follows:
the machining platform comprises a machine table, a frame fixedly connected to the machine table, four-side positioning and clamping devices and two-side punching devices, wherein the four-side positioning and clamping devices are arranged on the frame and used for clamping a workpiece, and the two-side punching devices are used for punching two sides of the workpiece at the same time.
The beneficial effects of the invention are as follows: the four-side positioning clamping device is arranged to clamp and position the top surface, the bottom surface and a pair of side surfaces of the workpiece, the workpiece is clamped under the limitation of clamping force in the vertical direction and the horizontal direction, and the workpiece is not easy to deviate when punching is performed; the double-sided punching device is arranged to simultaneously punch two sides of the workpiece, in other words, every two holes correspond to one punching device, the number of the punching devices is small, and the structure of the processing platform is simple.
As a further improvement of the technical scheme, the four-side positioning and clamping device comprises:
The positioning support mechanism comprises a positioning swing arm arranged on the frame, an upper positioning block fixedly connected to the positioning swing arm, a left positioning block fixedly connected to the positioning swing arm and a lower positioning block fixedly connected to the frame, wherein the left positioning block stretches out leftwards, the upper positioning block stretches out downwards, the lower positioning block stretches out upwards, and the upper positioning block and the lower positioning block are arranged in opposite directions;
The clamping mechanism comprises a clamping driving device, a first clamping connecting rod, a second clamping connecting rod, a clamping arm, a first clamping hinged support and a right positioning block, wherein the clamping driving device is hinged to the frame, the lower portion of the first clamping connecting rod is hinged to the output end of the clamping driving device, the middle portion of the first clamping connecting rod is hinged to the frame, the upper portion of the first clamping connecting rod is hinged to the left portion of the second clamping connecting rod, the right portion of the second clamping connecting rod is hinged to the lower portion of the clamping arm, the middle portion of the clamping arm is hinged to the first clamping hinged support, the right positioning block stretches out leftwards at the top of the clamping arm, the right positioning block and the left positioning block are oppositely arranged, and clamping spaces are formed among the upper positioning block, the lower positioning block, the left positioning block and the right positioning block.
As a further improvement of the technical scheme, the positioning support mechanism further comprises a height adjusting driving motor fixedly connected to the frame, a height adjusting screw fixedly connected with the output end of the height adjusting driving motor, a height adjusting sleeve in threaded connection with the height adjusting screw, and an extension arm hinged with the height adjusting sleeve, the left part of the positioning swing arm is hinged with the right part of the height adjusting sleeve, the lower part of the positioning swing arm is hinged with the frame through a positioning connecting rod, the positioning support mechanism further comprises a height adjusting support fixedly connected to the frame, a height adjusting sliding hole is formed in the height adjusting support, a height adjusting sliding block is arranged on the front side of the height adjusting sleeve, and the height adjusting sliding block is in sliding connection with the height adjusting sliding hole.
As the further improvement of above-mentioned technical scheme, two-sided punching device includes the workstation of rigid coupling in the frame, two-sided punching device still includes the subassembly of punching a hole, the subassembly of punching a hole includes the die block of rigid coupling on the workstation, establish left actuating mechanism on the workstation, establish right actuating mechanism on the workstation, receive left punch head that left actuating mechanism drive left and right movement and receive right punch head that right actuating mechanism drive left and right movement, the left and right sides of die block of punching a hole is cut in a left side and is cut in a right side respectively and cut in a left side, left punch head is located the left side of left side and cuts in a left side and cut in a right side, the front side of die block is equipped with the row material passageway that link up, row material passageway and left side cut in a left side and right side cut in a right side and cut in a left side hole all intercommunication.
As a further improvement of the technical scheme, the left driving mechanism comprises a left driving device fixedly connected to the workbench and a left sliding table driven by the left driving device to move left and right, the left punch is fixedly connected to the right side of the left sliding table, the left punch is positioned at the left side of the left cutting hole, the left punch is matched with the left cutting hole, the right driving mechanism comprises a right driving device arranged in the up-down direction and a right sliding table driven by the right driving device to move left and right, the right punch is fixedly connected to the right side of the right sliding table, the right punch is positioned at the right side of the right cutting hole, the right punch is matched with the right cutting hole, the punching assembly is provided with two groups of left punches fixedly connected to the left sliding table, the two right punches are fixedly connected to the right sliding table, the middle part of the left sliding table is provided with a left clearance opening which is vertically communicated, the middle part of the right sliding table is provided with a right clearance opening, the right side of the right sliding table is provided with a right clearance opening, the left side of the right sliding table is provided with a right clearance opening, the right side of the right sliding table is provided with a bottom die, and the right punching assembly is provided with a clearance opening which is matched with the right clearance opening; the left side of right slip table stretches into in the left clearance mouth, also be equipped with the die block that punches a hole in the left clearance mouth, the left drift of left side of left clearance mouth, the right drift of right slip table left side all with the die block phase-match that punches a hole in the left clearance mouth.
As a further improvement of the technical scheme, the machine is further provided with a guide assembly, the guide assembly comprises a guide pillar and a guide head, the guide head is arranged at the top of the guide pillar, a guide hole is formed in the upper side of the guide head, and the guide head is detachably connected with the guide pillar.
As a further improvement of the technical scheme, the guide hole is in a horn shape, the guide seat is arranged on the top surface of the guide pillar, a first connecting hole is formed in the guide seat, a connecting table is arranged on the lower portion of the guide head, a second connecting hole is formed in the connecting table, and the guide seat is connected with the connecting table through screws penetrating through the first connecting hole and the second connecting hole.
As a further improvement of the above technical solution, the middle part of the guide post is provided with a corner, and the side surface of the guide post is provided with a reinforcing sheet, which at least partially covers the corner.
As a further improvement of the technical scheme, the machine is also provided with a double-sided clamping and overturning device, and the double-sided clamping and overturning device is used for clamping workpieces. In the welding process, two sides of a part of sheet metal part are required to be welded, wherein a double-sided clamping and overturning device is required to be used. The traditional double-sided clamping and overturning device for the automobile sheet metal part can clamp on one side only. During the use, dress piece, clamp, welding, then turn over to the another side and weld, in order to take out the sheet metal component smoothly, must turn over the one side of clamping again, just can open the anchor clamps and take off the sheet metal component, complex operation slows down production beat, has influenced production efficiency greatly.
The technical scheme is further improved, the automatic clamping device comprises a turnover motor, a turnover connector and a turnover table, wherein the turnover motor is arranged on a rack, the turnover connector is in driving connection with the turnover motor, the turnover table is fixedly connected to the turnover connector, a supporting frame and a clamping mechanism are arranged on the turnover table, a through workpiece positioning hole is formed in the supporting frame, the supporting frame is detachably connected with the turnover connector, the clamping mechanism comprises a first clamping hinging seat and a second clamping hinging seat which are fixedly connected to the turnover table, a clamping driving device hinged with the first clamping hinging seat, a first clamping connecting rod in driving connection with an output end of the clamping driving device, a second clamping connecting rod hinged with the first clamping hinging seat and a clamping head fixedly connected with the second clamping connecting rod, the upper side of the second clamping connecting rod is hinged with the second clamping hinging seat, the right side of the first clamping connecting rod is hinged with an output end of the clamping driving device, the middle part of the first clamping connecting rod is hinged with the second clamping connecting rod, and the left side of the first clamping connecting rod is hinged with the second clamping hinging seat; the clamping mechanisms are at least two, at least two clamping mechanisms are respectively arranged above and below the supporting frame, and all clamping heads of the clamping mechanisms are arranged towards the supporting frame.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the invention, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a perspective view of an embodiment;
FIG. 2 is a perspective view of a four-sided positioning clamping device
FIG. 3 is a perspective view of a double-sided clamping and flipping device;
FIG. 4 is a schematic diagram of a front view of a double-sided clamping and turning device;
FIG. 5 is a perspective view of a double sided punching device;
FIG. 6 is a partial enlarged view of A;
FIG. 7 is a schematic view of the handrail construction of the punch die;
fig. 8 is a perspective view of the guide.
In the accompanying drawings: 100-frames; 140-machine; 200-a double-sided punching device; 210-punching a bottom die; 211-right cutting hole; 212-a discharge channel; 220-right punch; 221-right drive means; 222-a first link; 223-hinge shaft; 224-a second link; 225-right clearance opening; 230-left punch; 231-left drive means; 232-left clearance port; 241-blanking track; 242-blanking box; 250-working table; 300-turning device; 310-turning over the motor; 311-turning over the connector; 312-a flipping table; 313-connecting frame screw holes; 314-a frame connecting groove; 320-clamping drive means; 321-a first clamping hinge support; 322-a second clamping hinge support; 323-a first clamping link; 324-a second clamping link; 331-clamping arms; 332-clamping a limiting block; 333-a chuck; 330-a support frame; 400-four-side positioning and clamping device; 410-positioning a swing arm; 411-upper positioning block; 412-left positioning block; 413-lower positioning blocks; 414-right positioning block; 420-clamping driving device; 421-a first clamping link; 422-second clamping link; 423-clamping arms; 424-a first clamping hinge support; 425-clamping a limiting block; 430-turning up the drive motor; 431-adjusting the height of the screw; 432-height-adjusting sleeve; 433-a reach arm; 434-height limiting screws; 435-positioning a connecting rod; 600-guiding assembly; 610-guide post; 611-corner; 612—a guide seat; 620—a guide head; 621-guiding holes; 622-connection station; 630-reinforcing sheet.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention. In addition, all connections or connection relationships mentioned herein do not refer to direct connection of the components, but rather to the fact that, depending on the particular implementation, a better connection structure may be formed by adding or subtracting connection aids. The technical features of the invention can be interactively combined on the premise of no contradiction and conflict.
Embodiments are described in detail below in conjunction with fig. 1-fig.
For example, referring to fig. 1, a processing platform includes a machine 140, a frame 100 fixedly connected to the machine 140, and further includes a four-side positioning and clamping device 400 and a double-side punching device 200 both disposed on the frame 100, where the four-side positioning and clamping device 400 is used for clamping a workpiece, and the double-side punching device 200 is used for punching two sides of the workpiece simultaneously.
Compared with the prior art, the four-side positioning clamping device 400 is arranged to clamp and position the top surface, the bottom surface and a pair of side surfaces of the workpiece, the workpiece is clamped under the limitation of clamping force in the vertical direction and the horizontal direction, and the workpiece is not easy to deviate when punching is performed; the double-sided punching device 200 is arranged to simultaneously punch two sides of a workpiece, in other words, every two holes correspond to one punching device, the number of the punching devices is small, and the structure of the processing platform is simple.
Referring to fig. 2, a four-side positioning and clamping device 400 comprises a positioning and supporting mechanism, wherein the positioning and supporting mechanism comprises a positioning swing arm 410 arranged on a frame 100, an upper positioning block 411 fixedly connected to the positioning swing arm 410, a left positioning block 412 fixedly connected to the positioning swing arm 410, and a lower positioning block 413 fixedly connected to the frame 100, the left positioning block 412 stretches out leftwards, the upper positioning block 411 stretches out downwards, the lower positioning block 413 stretches out upwards, and the upper positioning block 411 and the lower positioning block 413 are arranged opposite to each other;
The clamping mechanism comprises a clamping driving device 420, a first clamping connecting rod 421, a second clamping connecting rod 422, a clamping arm 423, a first clamping hinged support 424 and a right positioning block 414, wherein the clamping driving device 420 is hinged to the frame 100, the lower portion of the first clamping connecting rod 421 is hinged to the output end of the clamping driving device 420, the middle portion of the first clamping connecting rod is hinged to the frame 100, the upper portion of the first clamping connecting rod 421 is hinged to the left portion of the second clamping connecting rod 422, the right portion of the second clamping connecting rod 422 is hinged to the lower portion of the clamping arm 423, the middle portion of the clamping arm 423 is hinged to the first clamping hinged support 424, the right positioning block 414 stretches out leftwards at the top of the clamping arm 423, the right positioning block 414 and the left positioning block 412 are oppositely arranged, and clamping spaces are formed among the upper positioning block 411, the lower positioning block 413, the left positioning block 412 and the right positioning block 414. The first clamping driving device 420 is an oil cylinder, and in other embodiments, may be an air cylinder, an electric push rod, etc.
Through the arrangement, clamping of the four sides of the workpiece is achieved, and the workpiece is clamped and meanwhile positioning accuracy is high.
The working principle of this embodiment is as follows: the upper positioning block 411, the lower positioning block 413 and the left positioning block 412 are arranged on the frame 100, the right positioning block 414 is driven by the clamping mechanism, when the output end of the first clamping driving device 420 moves upwards, the first clamping driving device 420 rotates downwards, meanwhile, the first clamping connecting rod 421 is driven to rotate upwards around the hinging point between the middle part of the first clamping connecting rod 421 and the frame 100, the first clamping connecting rod 421 rotates upwards to drive the clamping arm 423 to rotate around the hinging point between the middle part of the clamping arm 423 and the first clamping hinging seat 424 through the second clamping connecting rod 422, and the right positioning block 414 rotates leftwards to compress the clamping space, so that workpiece clamping is realized. The workpiece is correspondingly positioned up, down, left and right, and the clamping precision of the workpiece is high.
In some embodiments, the positioning and supporting mechanism further comprises a height-adjusting driving motor 430 fixedly connected to the frame 100, a height-adjusting screw 431 fixedly connected to an output end of the height-adjusting driving motor 430, a height-adjusting sleeve 432 in threaded connection with the height-adjusting screw 431, and an extending arm 433 hinged to the height-adjusting sleeve 432, a left portion of the positioning swing arm 410 is hinged to a right portion of the height-adjusting sleeve 432, a lower portion of the positioning swing arm 410 is hinged to the frame 100 through a positioning connecting rod 435, the positioning and supporting mechanism further comprises a height-adjusting support fixedly connected to the frame 100, a height-adjusting sliding hole is formed in the height-adjusting support, and a height-adjusting sliding block is arranged on a front side of the height-adjusting sleeve 432 and is in sliding connection with the height-adjusting sliding hole. Therefore, when the heightening motor drives the heightening screw 431 to rotate and drives the heightening slide block on the heightening sleeve 432 to slide upwards along the heightening slide hole, the upper positioning block 411 and the left positioning block 412 are driven to swing towards one side of the clamping space through the clamping arm 423, and the workpiece is clamped; conversely, when the workpiece is loosened, the heightening sleeve 432 slides downwards when the heightening driving motor 430 drives the heightening screw 431, the upper positioning block 411 and the left positioning block 412 are driven by the clamping arm 423 to swing to the side deviating from the clamping space, and at the moment, the upper part of the clamping space is opened, so that the workpiece can be lifted upwards by the overhead travelling crane, and the workpiece is more convenient to transfer.
In some embodiments, the positioning support mechanism and the clamping mechanism are both symmetrically arranged in two groups. Two groups of positioning supporting mechanisms and clamping mechanisms are arranged, so that two sides of a frame-shaped workpiece can be clamped simultaneously.
In some embodiments, two sets of positioning support mechanisms share a single leveling drive motor 430, leveling screw 431, leveling sleeve 432, and extension arm 433 to save part count and reduce the cost of the four-sided positioning fixture 400. Further, the clamping arms 423 and the positioning swing arms 410 of the two sets of positioning support mechanisms are symmetrically arranged about the height-adjusting support. Thus, the height-adjusting sleeve 432 can synchronously drive the clamping arms 423 on two sides to rotate, and simultaneously drive the positioning swing arm 410 to clamp a workpiece.
In some embodiments, a limiting screw hole is formed in the top of the height-adjusting support, a limited height screw 434 is connected in the limiting screw hole in a threaded manner, and the bottom end of the limited height screw 434 extends to the height-adjusting sleeve 432. The height limiting screw 434 limits the swing stroke of the positioning swing arm 410 and prevents deformation caused by overpressure of the workpiece.
In some embodiments, a clamping stopper 425 is further provided on the frame 100, and the clamping stopper 425 is located above the first clamping connecting rod 421, and the position of the clamping stopper 425 corresponds to the position of the first clamping connecting rod 421. When the clamping mechanism is positioned at the tail end of the stroke, the clamping mechanism is blocked by the clamping limiting block 425, so that the workpiece is not easy to deform obviously due to overpressure.
Referring to fig. 5, 6 and 7, the double-sided punching device 200 includes a workbench 250 fixedly connected to the frame 100, the double-sided punching device 200 further includes a punching assembly, the punching assembly includes a punching bottom die 210 fixedly connected to the workbench 250, a left driving mechanism provided on the workbench 250, a right driving mechanism provided on the workbench 250, a left punch 230 driven by the left driving mechanism to move left and right, and a right punch 220 driven by the right driving mechanism to move left and right, left and right sides of the punching bottom die 210 are respectively provided with a left cutting hole and a right cutting hole 211, the left punch 230 is located at left of the left cutting hole, the right punch 220 is located at right of the right cutting hole 211, a through discharging channel 212 is provided at front side of the bottom die, and the discharging channel 212 is communicated with both the left cutting hole and the right cutting hole 211.
When the workpiece cutting device works, the left driving mechanism drives the left punch 230 to move rightwards and stretch into the left cutting hole to cut the workpiece, and meanwhile, the right driving mechanism drives the right punch 220 to move leftwards and stretch into the right cutting hole 211 to cut the workpiece, so that two sides of the workpiece are cut simultaneously; the left blanking hole and the right blanking hole are communicated with the discharging channel 212, so that waste punched in the left blanking hole and the right blanking hole 211 can slide out through the discharging channel 212, and the waste can be collected conveniently.
In some embodiments, the discharge channel 212 is sloped downward. Thereby, the waste material flowing out from the punched hole can slide out under the self-weight.
In some embodiments, the left driving mechanism comprises a left driving device 231 fixedly connected to the workbench 250, a left sliding table driven by the left driving device 231 to move left and right, the left punch 230 is fixedly connected to the right side of the left sliding table, the left punch 230 is positioned at the left side of the left cutting hole, and the left punch 230 is matched with the left cutting hole. The left driving device 231 is an oil cylinder, and the left punch 230 and the left cutting hole punching hole are realized through the above arrangement.
In some embodiments, the right driving mechanism includes a right driving device 221 disposed along the up-down direction, and a right sliding table driven by the right driving device 221 to move left and right, the right punch 220 is fixedly connected to the right side of the right sliding table, the right punch 220 is located on the right side of the right cutting hole 211, and the right punch 220 is matched with the right cutting hole 211. The right driving device 221 is an oil cylinder, and the hole punching of the right punch 220 and the right cutting hole 211 is realized through the above arrangement.
In some embodiments, the punching assemblies are provided with two groups, two left punches 230 are fixedly connected on a left sliding table, two right punches 220 are fixedly connected on a right sliding table, a left clearance opening 232 vertically penetrating through the middle of the left sliding table is provided, left punches 230 are respectively arranged on the left side of the left clearance opening 232 and the left side surface of the left sliding table, a right clearance opening 225 is respectively arranged on the middle of the right sliding table, right punches 220 are respectively arranged on the right side of the right clearance opening 225 and the left side of the right sliding table, the left side of the left sliding table extends into the right clearance opening 225, a punching bottom die 210 is arranged in the right clearance opening 225, and the right punches 220 on the right side of the right clearance opening 225 and the left punches 230 on the right side of the left sliding table are respectively matched with the bottom die in the right clearance opening 225; the left side of the right sliding table stretches into the left clearance opening 232, the punching bottom die 210 is also arranged in the left clearance opening 232, and the left punch 230 at the left side of the left clearance opening 232 and the right punch 220 at the left side of the right sliding table are matched with the punching bottom die 210 in the left clearance opening 232. Through the arrangement, the right driving device 221 drives two groups of punching assemblies simultaneously through the left sliding table and the right driving device 221 through the right sliding table, and simultaneously double-sided punching and cutting are carried out on two parts of a workpiece, so that the cutting efficiency is higher.
In some embodiments, the right driving device 221 is disposed along a vertical direction, the right driving mechanism further includes a first connecting rod 222 hinged to an output end of the right driving device 221, and a second connecting rod 224 hinged to the first connecting rod 222, the second connecting rod 224 is fixedly connected with a right sliding table, a linear guide rail disposed transversely is disposed on the workbench 250, the right sliding table is slidably connected with the linear guide rail, a right fixing block is disposed on the workbench 250, a right hinge hole traversing is disposed on the right fixing block, a rotatable hinge shaft 223 is disposed in the right hinge hole, the left side of the first connecting rod 222 is hinged to the second connecting rod 224, the middle of the first connecting rod 222 is hinged to the hinge shaft 223, and the right side of the first connecting rod 222 is hinged to the right driving device 221. The right drive mechanism is arranged in such a way that, on the one hand, the right drive device 221 is hinged with the right sliding table through the first connecting rod 222 and the second connecting rod 224 to play a role in increasing force, and on the other hand, the right drive device 221 is arranged vertically, so that the transverse occupied space of the double-sided punching device 200 can be saved.
In some embodiments, the double-sided punching device 200 further includes a blanking track 241 and a blanking box 242, both of which are fixedly connected to the workbench 250, wherein the blanking box 242 is open above, and one end of the blanking track 241 is connected to the discharging channel 212, and the other end extends to the blanking box 242.
In some embodiments, the left cutting hole has the same structure as the right cutting hole 211, and the left punch 230 has the same structure as the right punch 220, so as to meet the requirement of machining coaxial holes with the workpiece to match the bolt.
Referring to fig. 8, the guide assembly 600 includes a guide post 610 and a guide head 620, the guide head 620 is disposed at the top of the guide post 610, a guide hole 621 is disposed at the upper side of the guide head 620, and the guide head 620 is detachably connected with the guide post 610. The guide post 610 is fixedly connected to the machine 140.
Compared with the prior art, the guide head 620 is detachably connected with the guide post 610, when the guide head 620 is damaged, the guide head 620 is replaced, the whole guide assembly 600 is not required to be replaced, the time required for maintenance is greatly reduced, the whole guide assembly 600 is not required to be replaced, and the maintenance cost is reduced.
In some embodiments, the guide hole 621 is trumpet-shaped, and the guide hole 621 includes a large end and a small end, and the large end is located above the small end. The flared guide hole 621 facilitates the mating connection of the guide pin with the guide hole 621.
In some embodiments, the top surface of the guide post 610 is provided with a guide holder 612, a first connecting hole is formed in the guide holder 612, a connecting table 622 is arranged at the lower part of the guide head 620, a second connecting hole is formed in the connecting table 622, and the guide holder 612 and the connecting table 622 are connected together by a screw penetrating through the first connecting hole and the second connecting hole. The arrangement of the guide seat 612 enlarges the contact area of the guide seat and the guide seat, the strength of the joint of the guide seat and the guide seat is better, the collision force of the guide pin to the guide head 620 can be better resisted, and the guide head 620 is more durable.
In some embodiments, the middle of the guide post 610 is provided with a corner 611, the side of the guide post 610 is provided with a reinforcing sheet 630, and the reinforcing sheet 630 at least partially covers the corner 611. The provision of the corner 611, which structurally strengthens the bending strength of the guide post 610, the provision of the reinforcing sheet 630 at the corner 611, which reinforcing sheet 630 also covers the corner 611 at least partly, means that the reinforcing sheet 630 at least partly intersects the corner 611 when the reinforcing sheet 630 and the corner 611 are projected onto the side of the guide post 610, enables the reinforcing sheet 630 to exert a dispersing effect on the stress concentration at the inner corners of the corner 611. The reinforcement pieces 630 are distributed with stress concentration, and compared with the conventional manner of processing rounded corners, the reinforcement pieces 630 can be manufactured in batch and connected by welding without mechanical processing. The structure for improving stress concentration has simple processing procedure.
In the welding process, two sides of a part of sheet metal part need to be welded, wherein the two-sided clamping and overturning device 300 is needed. The conventional car sheet metal part double-sided clamping and turning device 300 can clamp only on one side. During the use, dress piece, clamp, welding, then turn over to the another side and weld, in order to take out the sheet metal component smoothly, must turn over the one side of clamping again, just can open the anchor clamps and take off the sheet metal component, complex operation slows down production beat, has influenced production efficiency greatly. Referring to fig. 3 and 4, the double-sided clamping turnover device 300 comprises a turnover motor 310 arranged on the frame 100, a turnover connector 311 in driving connection with the turnover motor 310, a turnover table 312 fixedly connected to the turnover connector 311, wherein a support frame 330 and a clamping mechanism are arranged on the turnover table 312, a through workpiece positioning hole is arranged in the support frame 330, the support frame 330 is detachably connected with the turnover connector 311, at least two clamping mechanisms are arranged above and below the support frame 330, at least two clamping mechanisms are respectively arranged above and below the support frame 330, each clamping mechanism comprises a first clamping hinged support 321 and a second clamping hinged support 322 which are fixedly connected to the turnover table 312, a clamping driving device 320 hinged with the first clamping hinged support 321, a first clamping connecting rod 323 in driving connection with the output end of the clamping driving device 320, a second clamping connecting rod 324 hinged with the first clamping hinged support 321, and a clamping head fixedly connected with the second clamping connecting rod 324, the upper side of the second clamping connecting rod 324 is hinged with the second hinged support 322, and the right side of the first clamping connecting rod 323 is hinged with the middle part and the output end of the second clamping driving device 320 hinged with the second hinged support 322; all of the clamping heads of the clamping mechanism are disposed toward the support frame 330. The clamping drive 320 is a cylinder.
The action principle of the clamping mechanism is as follows: when the sheet metal part is clamped, the output end of the oil cylinder stretches out, the oil cylinder rotates around the first clamping seat, the output end of the oil cylinder drives the second clamping connecting rod 324 to rotate around the second clamping seat through the first clamping connecting rod 323, and the clamping arm 331 fixedly connected with the second clamping connecting rod 324 rotates towards the clamping direction, so that the sheet metal part is clamped.
This embodiment has the following advantages: the supporting block is detachably connected with the overturning connector 311, so that the supporting frame 330 can be replaced to adapt to clamping of different sheet metal parts; clamping mechanisms are arranged on the upper side and the lower side of the supporting frame 330, clamping jaws on the two sides of the supporting frame 330 can be loosened, and a sheet metal part does not need to be taken out after being turned over to a specific surface; the clamping mechanism is compact in arrangement; only one driving device is needed for driving each clamping mechanism, so that the cost is low.
In this embodiment, two sides of the double-sided clamping turnover device 300 include two sets of clamping mechanisms, each set of clamping mechanism includes a clamping mechanism respectively disposed above and below the supporting frame 330, and the difference between the clamping mechanism disposed above and the clamping mechanism disposed below is that: the two upper clamping mechanisms are arranged inwards, and at the same time, in order to adapt to the clamped sheet metal part, the two upper clamping mechanisms comprise chucks 333 with different structures, and in other embodiments, the upper clamping mechanisms comprise chucks 333 and the lower clamping mechanisms comprise chucks 333 with the same structure. The other structures of the clamping mechanism located above are the same as those of the clamping mechanism located below. Because the upper clamping mechanism and the lower clamping mechanism adopt the same structure, the number of parts required by the clamping mechanism is small, the production cost is saved, the consistency of clamping forces on two sides of the sheet metal part is good, and the sheet metal part is not easy to deform.
When the clamping device is used, the sheet metal part is hung on the workpiece positioning hole in the supporting frame 330 by the overhead travelling crane, and the clamping mechanism positioned above and the clamping mechanism positioned below simultaneously clamp the sheet metal part, and the outer edge of the sheet metal part is abutted with the inner wall part of the supporting frame 330 so as to resist the deformation generated by the clamping force. Because the upside, the downside of sheet metal component all press from both sides tightly with clamping mechanism, unclamping the clamping mechanism of arbitrary side can take away the work piece, compares prior art and presss from both sides tightly only at the top surface of work piece, and when the work piece top surface upset was to facing downward, also can unclamp clamping mechanism and hang away the work piece with overhead travelling crane, improves production beat, improves production efficiency.
In some embodiments, the clamping head includes a clamping arm 331 and a clamp 333, the clamp 333 being detachably connected to the clamping arm 331. The clamping head 333 is detachably connected with the clamping arm 331, so that the clamping position can be adjusted by disassembling and assembling the clamping head 333 to clamp different sheet metal parts.
In some embodiments, in order to prevent the clamping force applied to the sheet metal part by the clamping mechanism from being too large, the clamping arm 331 is provided with a clamping stopper 332, the clamping stopper 332 is provided with a first groove, and correspondingly, the overturning platform 312 is provided with a first bump, and the first bump is matched with the first groove. When the clamping mechanism clamps the sheet metal part, the first lug is in concave-convex scarf joint with the first groove, the limiting effect is achieved on the clamping head, and the clamping force of the clamping mechanism is limited.
In some embodiments, the clamping stop 332 is removably coupled to the clamping arm 331. The clamping limiting block 332 is detachably connected with the clamping arm 331, so that different clamping limiting blocks 332 can be adapted to different workpieces to be replaced, and the clamping mechanism is more flexible.
In some embodiments, the side surface of the overturning platform 312 is provided with a frame connecting screw hole 313, correspondingly, the side surface of the supporting frame 330 is provided with a frame connecting through hole, and a screw is arranged in the frame connecting through hole and penetrates through the frame connecting through hole to be in threaded connection with the frame connecting screw hole 313 so as to enable the overturning platform 312 and the supporting frame 330 to be locked together. The overturning platform 312 and the connecting frame through hole are detachably connected through screws, and the detachable connecting frame has the advantages of being simple in structure and easy to realize.
In some embodiments, in order to improve the connection accuracy between the overturning platform 312 and the supporting frame 330, a frame connecting groove 314 is formed on the side surface of the overturning platform 312, and correspondingly, a platform connecting protrusion is formed on the side surface of the supporting frame 330, and the platform connecting protrusion is matched with the frame connecting groove 314.
While the preferred embodiment of the present invention has been described in detail, the present invention is not limited to the embodiments described above, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present invention, and these equivalent modifications and substitutions are intended to be included in the scope of the present invention as defined in the appended claims.
Claims (8)
1. The utility model provides a processing platform, includes board and the frame of rigid coupling on the board, its characterized in that: the four-side positioning and clamping device is used for clamping a workpiece, and the two-side punching device is used for punching two sides of the workpiece at the same time;
The positioning support mechanism comprises a positioning swing arm arranged on the frame, an upper positioning block fixedly connected to the positioning swing arm, a left positioning block fixedly connected to the positioning swing arm and a lower positioning block fixedly connected to the frame, wherein the left positioning block stretches out leftwards, the upper positioning block stretches out downwards, the lower positioning block stretches out upwards, and the upper positioning block and the lower positioning block are arranged in opposite directions;
The clamping mechanism comprises a clamping driving device, a first clamping connecting rod, a second clamping connecting rod, a clamping arm, a first clamping hinged support and a right positioning block, wherein the clamping driving device is hinged with the frame, the lower part of the first clamping connecting rod is hinged with the output end of the clamping driving device, the middle part of the first clamping connecting rod is hinged with the frame, the upper part of the first clamping connecting rod is hinged with the left part of the second clamping connecting rod, the right part of the second clamping connecting rod is hinged with the lower part of the clamping arm, the middle part of the clamping arm is hinged with the first clamping hinged support, the right positioning block stretches out leftwards at the top of the clamping arm, the right positioning block and the left positioning block are oppositely arranged, and clamping spaces are formed among the upper positioning block, the lower positioning block, the left positioning block and the right positioning block;
The double-sided punching device comprises a workbench fixedly connected to a machine frame, the double-sided punching device further comprises a punching assembly, the punching assembly comprises a punching bottom die fixedly connected to the workbench, a left driving mechanism arranged on the workbench, a right driving mechanism arranged on the workbench, a left punch driven by the left driving mechanism to move left and right and a right punch driven by the right driving mechanism to move left and right, left and right sides of the punching bottom die are respectively provided with a left cutting hole and a right cutting hole, the left punch is positioned on the left side of the left cutting hole, the right punch is positioned on the right side of the right cutting hole, a through discharging channel is arranged on the front side of the bottom die, and the discharging channel is communicated with the left cutting hole and the right cutting hole.
2. A processing platform according to claim 1, wherein: the positioning support mechanism further comprises a height-adjusting driving motor fixedly connected to the frame, a height-adjusting screw fixedly connected with the output end of the height-adjusting driving motor, a height-adjusting sleeve in threaded connection with the height-adjusting screw, and a protruding arm hinged to the height-adjusting sleeve, wherein the left part of the positioning swing arm is hinged to the right part of the height-adjusting sleeve, the lower part of the positioning swing arm is hinged to the frame through a positioning connecting rod, the positioning support mechanism further comprises a height-adjusting support fixedly connected to the frame, a height-adjusting slide hole is formed in the height-adjusting support, a height-adjusting slide block is arranged on the front side of the height-adjusting sleeve, and the height-adjusting slide block is in sliding connection with the height-adjusting slide hole.
3. A processing platform according to claim 1, wherein: the left driving mechanism comprises a left driving device fixedly connected to the workbench and a left sliding table driven by the left driving device to move left and right, the left punching head is fixedly connected to the right side of the left sliding table, the left punching head is positioned at the left side of a left cutting hole, the left punching head is matched with the left cutting hole, the right driving mechanism comprises a right driving device arranged in the up-down direction and a right sliding table driven by the right driving device to move left and right, the right punching head is fixedly connected to the right side of the right sliding table, the right punching head is positioned at the right side of the right cutting hole, the right punching head is matched with the right cutting hole, two left punching heads are fixedly connected to the left sliding table, two right punching heads are fixedly connected to the right sliding table, the middle part of the left sliding table is provided with a vertically through left clearance opening, the left side of the left clearance opening, the middle part of the left sliding table is provided with a right clearance opening, the left side of the right sliding table is fixedly connected to the right side of the right sliding table, the right punching head is provided with a clearance opening in the bottom die, and the bottom die is provided with a clearance opening in the bottom die; the left side of right slip table stretches into in the left clearance mouth, also be equipped with the die block that punches a hole in the left clearance mouth, the left drift of left side of left clearance mouth, the right drift of right slip table left side all with the die block phase-match that punches a hole in the left clearance mouth.
4. A processing platform according to claim 1, wherein: the machine is characterized in that a guide assembly is further arranged on the machine table and comprises a guide pillar and a guide head, the guide head is arranged at the top of the guide pillar, a guide hole is formed in the upper side of the guide head, and the guide head is detachably connected with the guide pillar.
5. A processing platform according to claim 4, wherein: the guide hole is loudspeaker form, the top surface of guide pillar is equipped with the guide holder, be equipped with first connecting hole on the guide holder, the lower part of guide head is equipped with the connection platform, be equipped with the second connecting hole on the connection platform, guide holder and connection platform link together through wearing to establish the screw in first connecting hole and second connecting hole.
6. A processing platform according to claim 5, wherein: the middle part of the guide pillar is provided with a corner, and the side surface of the guide pillar is provided with a reinforcing sheet, and the reinforcing sheet at least partially covers the corner.
7. A processing platform according to claim 1, wherein: the machine table is also provided with a double-sided clamping and overturning device, and the double-sided clamping and overturning device is used for clamping workpieces.
8. A processing platform according to claim 1, wherein: including establishing the upset motor in the frame, with upset motor drive connection's upset connector, the rigid coupling is at the upset epaxial turnover table, its characterized in that: the overturning platform is provided with a supporting frame and a clamping mechanism, a through workpiece positioning hole is formed in the supporting frame, the supporting frame is detachably connected with the overturning connector, the clamping mechanism comprises a first clamping hinged seat, a second clamping hinged seat, a clamping driving device, a first clamping connecting rod, a second clamping connecting rod and a clamping head, the first clamping hinged seat is fixedly connected with the output end of the clamping driving device, the second clamping connecting rod is hinged with the first clamping hinged seat, the clamping head is fixedly connected with the second clamping connecting rod, the upper side of the second clamping connecting rod is hinged with the second clamping hinged seat, the right side of the first clamping connecting rod is hinged with the output end of the clamping driving device, the middle part of the first clamping connecting rod is hinged with the second clamping connecting rod, and the left side of the first clamping connecting rod is hinged with the second clamping hinged seat; the clamping mechanisms are at least two, at least two clamping mechanisms are respectively arranged above and below the supporting frame, and all clamping heads of the clamping mechanisms are arranged towards the supporting frame.
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| CN211614003U (en) * | 2019-08-30 | 2020-10-02 | 广东福迪汽车零部件有限公司 | Processing platform |
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| CN107363669A (en) * | 2017-06-20 | 2017-11-21 | 中信戴卡股份有限公司 | A kind of front face of wheel deburred device |
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| WO2011050584A1 (en) * | 2009-11-02 | 2011-05-05 | 中山市奥美森工业有限公司 | Automatic processing machine for header |
| CN204430333U (en) * | 2014-12-11 | 2015-07-01 | 长春美格专用设备有限公司 | The special purpose machine tool of processing differential casing |
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