CN117583428A - Stamping die for sheet metal parts of vehicle body with multistage stamping structure - Google Patents
Stamping die for sheet metal parts of vehicle body with multistage stamping structure Download PDFInfo
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- CN117583428A CN117583428A CN202311753758.8A CN202311753758A CN117583428A CN 117583428 A CN117583428 A CN 117583428A CN 202311753758 A CN202311753758 A CN 202311753758A CN 117583428 A CN117583428 A CN 117583428A
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- 239000002184 metal Substances 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims description 37
- 238000006073 displacement reaction Methods 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims 2
- 238000005452 bending Methods 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- 230000033001 locomotion Effects 0.000 description 17
- 230000008859 change Effects 0.000 description 9
- 238000007493 shaping process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004080 punching Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
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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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to the technical field of dies, in particular to a stamping die for a sheet metal part of a vehicle body with a multi-stage stamping structure, which comprises a stamping head and a base, wherein a forming groove is formed in the base, an abutting table is arranged in the forming groove, an adjusting frame and a locating pin are arranged at two ends of the base, a first driving assembly, a limiting assembly and a lifting assembly are arranged in the base, and a second driving assembly and a sliding block are arranged on the adjusting frame; through the cooperation of the second driving component and the limiting component, the positioning pin can be matched with the positioning holes on the workpieces, so that the positioning pin can meet the positioning holes of the workpieces with different sizes, and the suitability of the die is improved; the abutting table is driven by the stamping head, so that the first driving assembly and the lifting assembly are driven, the positioning pin can move along with the positioning hole in a matched manner along with the bending of the workpiece, the workpiece is prevented from being displaced in the bending process, the positioning accuracy of the workpiece is ensured, and the follow-up stamping accuracy is ensured.
Description
Technical Field
The invention relates to the technical field of dies, in particular to a stamping die for a sheet metal part of a vehicle body with a multi-stage stamping structure.
Background
The stamping is to apply pressure to the material by using a die arranged on a press machine to separate or plastically deform the material, so that the required part is obtained, the shape of some parts is required to be subjected to certain bending torsion treatment, most of the existing parts are twisted by other mechanical equipment after the stamping is finished, the bending angle of the parts cannot be guaranteed to affect the normal use of the parts in the processing mode of the parts, in the prior art, a workpiece is firstly placed on the upper surface of a module, a positioning hole on the workpiece can be matched with a positioning pin, a male die is abutted against the workpiece to bend two sides of the workpiece, and after the two sides of the workpiece are bent by a certain angle, but due to the bending of the workpiece, the positioning hole of the workpiece is separated from the positioning pin, so that the positioning pin cannot play a role in positioning the workpiece in the bending process of the workpiece, the positioning hole of the workpiece is easily damaged or the whole workpiece is damaged by the subsequent stamping, and the precision of the workpiece during the subsequent stamping cannot be guaranteed.
CN108435959a discloses a stamping die of bending, including the lower mould, go up the mould and set up the locating pin on the lower mould, the shaping groove that can match with last mould is seted up to the upper surface of lower mould, two locating holes have been seted up on the lower mould, and two locating holes set up respectively in shaping groove opposite both sides, the locating pin has two, and two locating pins insert and locate corresponding locating hole on the work piece, the upper end of locating pin upwards protrudes for the upper surface of lower mould, the lower terminal surface of the protruding edge of location offsets and has the circular arc chamfer with the outward flange of the protruding edge of location up end with the upper surface of lower mould, this patent can guarantee the neutrality after the work piece is bent, change the size of the protruding edge of location in order to adapt to different aperture through the change locating pin, make the mould can bend to different work pieces, but it still fails to solve the location problem of work piece in the bending process.
Disclosure of Invention
Aiming at the problems, the invention provides the stamping die for the sheet metal part of the vehicle body with the multi-stage stamping structure, through the matching of the second driving component and the limiting component, the positioning pin can be mutually matched with the positioning holes on the workpiece, and through the setting of sliding adjustment, the positioning pin can meet the positioning holes of workpieces with different sizes to the maximum extent, so that the suitability of the die is improved; the workpiece is driven by the stamping head, the abutting platform is driven, the first driving assembly and the lifting assembly are driven by the abutting platform, and the positioning pin can move along with the positioning hole in a matching manner along with the bending of the workpiece by the aid of the cooperation of the first driving assembly and the lifting assembly, so that the workpiece is ensured not to displace in the bending process, the positioning accuracy of the workpiece is ensured, and the follow-up stamping accuracy is ensured.
In order to solve the problems in the prior art, the stamping die of the sheet metal part of the vehicle body of the multi-stage stamping structure comprises a stamping head and a base arranged below the stamping head, wherein a forming groove matched with the stamping head is formed in the base, an abutting table capable of sliding along the height direction of the base is arranged in the forming groove, the top surface of the abutting table is flush with the top surface of the base, and the abutting table is elastically connected with the forming groove; the two ends of the base are respectively provided with an adjusting frame and a locating pin, and the adjusting frames can slide back and forth along the length direction of the base; a first driving component for driving the adjusting frame to slide back and forth on the base is arranged below the adjusting frame, and a limiting component for limiting the sliding range of the adjusting frame is arranged at one end, far away from the forming groove, of each of the two ends of the base, and can slide and adjust along the length direction of the base; the adjusting frame is provided with a sliding block capable of sliding along the length direction of the adjusting frame and a second driving assembly for adjusting the position of the sliding block on the adjusting frame; the positioning pin is sleeved on the sliding block, and a lifting assembly capable of driving the positioning pin to slide on the sliding block along the height direction of the base is arranged below the adjusting frame; the lifting assembly and the first driving assembly are in transmission connection with the abutting table.
Preferably, the lower part of the base is provided with two first racks and rotating shafts in mirror symmetry states, the two first racks are all connected to the bottom of the abutting table in a vertical state, the two rotating shafts are respectively and rotatably arranged beside the two first racks in a horizontal state, a first gear meshed with the first racks and a second gear used for driving the lifting assembly are sleeved on the rotating shafts, and the first driving assembly is connected with the rotating shafts in a transmission manner.
Preferably, the lower part of the abutting table is further provided with a displacement plate, a first screw rod, a fixing plate and two guide rods, the two guide rods are in mirror symmetry state and fixedly connected to the lower part of the abutting table, the fixing plate is in horizontal state and fixedly connected to the bottoms of the two guide rods, the first screw rod is arranged between the fixing plate and the abutting table in a vertical state in a rotatable mode, the displacement plate is sleeved on the first screw rod and the two guide rods, the displacement plate is in threaded fit with the first screw rod, and the end parts of the two first racks are fixedly connected with the displacement plate.
Preferably, the lifting assembly comprises a lifting frame and a follow-up frame, the lifting frame can slide along the height direction of the base, a first sliding rail consistent with the sliding direction of the sliding block is arranged in the lifting frame, the follow-up frame can slide on the first sliding rail, a second sliding rail perpendicular to the first sliding rail is arranged on the follow-up frame, a first pulley is arranged at the bottom of the positioning pin, and the first pulley can slide on the second sliding rail.
Preferably, be provided with the third slide rail unanimous with the slip direction of alignment jig on the lateral wall of crane, lifting unit still includes the back shaft, the head rod, the actuating lever, second connecting rod and second rack, the back shaft is the one end that the bottom of horizontal state fixed connection in the base is close to the shaping groove, one end cover of head rod is located on the back shaft, the other end of head rod is provided with the second pulley, the gliding setting of second pulley is on the third slide rail, the bottom central authorities of base are provided with the backup pad, the actuating lever cover is located in the backup pad and rather than sliding fit, and the slip direction of actuating lever is unanimous with the slip direction of alignment jig, the one end that keeps away from the shaping groove on the actuating lever is provided with the connecting plate, be provided with the spring between connecting plate and the backup pad, the one end that is close to the back shaft on the actuating lever is provided with the transfer line that is parallel to each other with the axis of back shaft, one end and the middle part of second connecting rod are articulated, the other end and the actuating lever of second connecting rod are articulated, the other end and the second connecting rod are fixedly connected to the connecting plate and lie in the below of actuating lever, second rack and second rack are parallel to each other with the actuating lever, second rack is meshed with second rack.
Preferably, the below of alignment jig is provided with and follows the high fourth slide rail that extends of base, first drive assembly includes transmission shaft, hold-in range and third connecting rod, the transmission shaft can pivoted sets up on the lateral wall of the bottom of base, and the axis of transmission shaft is parallel to each other with the axis of rotation axis, the hold-in range cover is located between transmission shaft and the rotation axis, one of them pot head of third connecting rod is located on the transmission shaft, the one end that keeps away from the transmission shaft on the third connecting rod is provided with the third pulley, third pulley and fourth slide rail sliding fit.
Preferably, the inside spout that is provided with of alignment jig, slider slidable set up in the spout, second drive assembly include second lead screw and first drive plate, and one side that is close to the shaping groove on the alignment jig is provided with two first mounting panels, and the second lead screw can rotate to set up between two first mounting panels, and first drive plate fixed connection is on the slider, and first drive plate cover is located on the second lead screw and rather than screw-thread fit.
Preferably, the limiting assembly comprises a limiting plate and a third screw rod, the limiting plate can be arranged at the top of the base in a sliding mode, the limiting plate is parallel to the adjusting frame, a second driving plate penetrating through the side wall of the base is arranged at the end portion of the limiting plate, two second mounting plates are arranged on the side wall of the base, the third screw rod can be arranged between the two second mounting plates in a rotating mode, and the second driving plate is sleeved on the third screw rod and in threaded fit with the third screw rod.
Preferably, the positioning pin comprises a positioning rod and a positioning head, the positioning rod is sleeved in the sliding block, and the positioning head is elastically connected to the top of the positioning rod.
Preferably, two telescopic plates are arranged at two ends of the base, the two telescopic plates are respectively positioned at two ends of the adjusting frame, and two ends of the telescopic plates are respectively connected with the adjusting frame and the base.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the locating pin can be matched with the locating hole on the workpiece through the matching of the second driving component and the limiting component, and the locating pin can meet the locating holes of workpieces with different sizes to the maximum extent through the sliding adjustment, so that the adaptability of the die is improved;
2. the invention can drive the workpiece to bend through the downward pressing of the stamping head, thereby driving the abutting table to move, driving the first driving component and the lifting component which are in transmission connection with the abutting table through the movement of the abutting table, driving the adjusting bracket abutted with the limiting component to slide towards the forming groove through the first driving component, thereby enabling the positioning pin to move along with the shrinkage of the positioning hole towards the forming groove along with the bending of the workpiece, driving the positioning pin to lift up to the upper part of the base through the lifting component, thereby enabling the positioning pin to move along with the positioning hole, and ensuring the positioning pin to move along with the positioning hole along with the bending of the workpiece through the arrangement of the lifting component and the first driving component, thereby ensuring the positioning accuracy of the workpiece in the bending process and ensuring the precision of subsequent stamping.
Drawings
Fig. 1 is a schematic perspective view of a stamping die for a sheet metal part of a vehicle body in a multi-stage stamping structure.
Fig. 2 is a state diagram of a workpiece placed on a die in a stamping die for a sheet metal part of a vehicle body of a multi-stage stamping structure.
Fig. 3 is a state diagram of a stamping die for a sheet metal part of a vehicle body in a multi-stage stamping structure in the process of bending the workpiece.
Fig. 4 is a schematic perspective view of a workpiece in a stamping die for a sheet metal part of a vehicle body in a multi-stage stamping structure.
Fig. 5 is a schematic perspective view of a base in a stamping die for a sheet metal part of a vehicle body in a multi-stage stamping structure.
Fig. 6 is a schematic perspective view of an abutment table in a stamping die for a sheet metal part of a vehicle body in a multi-stage stamping structure.
Fig. 7 is a schematic perspective view of a base, a lifting assembly and a first driving assembly in a stamping die for a sheet metal part of a vehicle body with a multi-stage stamping structure.
Fig. 8 is an enlarged view at a in fig. 7.
Fig. 9 is an enlarged view at B in fig. 7.
Fig. 10 is a schematic perspective view of a base and a first driving assembly in a stamping die for a sheet metal part of a vehicle body in a multi-stage stamping structure.
Fig. 11 is a schematic perspective view of a lifting assembly and a positioning pin in a stamping die for a sheet metal part of a vehicle body with a multi-stage stamping structure.
The reference numerals in the figures are:
1-punching heads; 2-a base; 21-a forming groove; 22-lifting assembly; 221-lifting frame; 2211-a first slide rail; 2212—a third slide rail; 222-a follower rack; 2221-second slide rail; 223-a support shaft; 224-a first connecting rod; 2241-second pulley; 2242-second connecting rod; 23-locating pins; 231-a first pulley; 232-positioning rod; 233-positioning head; 24-supporting plates; 241-drive rod; 2411-a connecting plate; 2412-a spring; 2413-a transmission rod; 2414-a second rack; 25-expansion plates; 3-an abutment; 31-a first rack; 32-a rotation axis; 321-a first gear; 322-a second gear; 33-a first screw rod; 331-displacement plate; 34-a guide bar; 341-a fixed plate; 4-an adjusting frame; 41-a first drive assembly; 411-drive shaft; 4111-timing belt; 412-a third connecting rod; 4121-third pulley; 42-limiting components; 421-limit plates; 422-a second drive plate; 423-a second mounting plate; 424-a third screw; 43-fourth slide rail; 44-sliding grooves; 45-sliding blocks; 451-a second drive assembly; 4511-second screw rod; 4512—a first drive plate; 4513-a first mounting plate; 5-a workpiece; 51-positioning holes.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
As shown in fig. 1 to 7: the stamping die for the sheet metal part of the vehicle body of the multi-stage stamping structure comprises a stamping head 1 and a base 2 arranged below the stamping head 1, wherein a forming groove 21 matched with the stamping head 1 is formed in the base 2, an abutting table 3 capable of sliding along the height direction of the base 2 is arranged in the forming groove 21, the top surface of the abutting table 3 is flush with the top surface of the base 2, and the abutting table 3 is elastically connected with the forming groove 21; both ends of the base 2 are provided with an adjusting frame 4 and a positioning pin 23, and the adjusting frame 4 can slide back and forth along the length direction of the base 2; a first driving component 41 for driving the adjusting frame 4 to slide back and forth on the base 2 is arranged below the adjusting frame 4, and a limiting component 42 for limiting the sliding range of the adjusting frame 4 is arranged at one end, far away from the forming groove 21, of each of the two ends of the base 2, and the limiting component 42 can be slidably adjusted along the length direction of the base 2; the adjusting frame 4 is provided with a sliding block 45 capable of sliding along the length direction of the adjusting frame 4 and a second driving assembly 451 for adjusting the position of the sliding block 45 on the adjusting frame 4; the locating pin 23 is sleeved on the sliding block 45, and a lifting component 22 capable of driving the locating pin 23 to slide on the sliding block 45 along the height direction of the base 2 is arranged below the adjusting frame 4; the lifting assembly 22 and the first driving assembly 41 are both in transmission connection with the abutment table 3.
Before the workpiece 5 is placed on the base 2, firstly, the position of the limiting assembly 42 on the base 2 is adjusted, the adjusting frame 4 is abutted against the limiting assembly 42 in an initial state, so that the initial position of the adjusting frame 4 on the base 2 can be adjusted through the position adjustment of the limiting assembly 42, the positioning pin 23 is matched with the positioning hole 51 of the workpiece 5 conveniently, then, the position of the sliding block 45 in the length direction of the adjusting frame 4 is adjusted through the second driving assembly 451 in the second driving assembly 451, the positioning pin 23 can be matched with the positioning hole 51 on the workpiece 5 through the cooperation of the second driving assembly 451 and the limiting assembly 42, and the positioning pin 23 can meet the positioning holes 51 of the workpieces 5 with different sizes to the greatest extent through the arrangement of sliding adjustment, so that the suitability of a die is improved; the positioning holes 51 on the workpiece 5 are sleeved on the positioning pins 23 at the two ends of the base 2, so that the positions of the workpiece 5 are positioned, the workpiece 5 is driven to bend by the downward pressure of the stamping head 1, the stamping head 1 is preferably hydraulically driven, the abutting table 3 which is positioned in the forming groove 21 and is elastically connected with the stamping head is driven, the first driving component 41 and the lifting component 22 which are in transmission connection with the abutting table are driven by the movement of the abutting table 3, the adjusting frame 4 which is abutted with the limiting component 42 is driven by the first driving component 41 to slide towards the forming groove 21, the positioning pins 23 can move along with the bending of the workpiece 5, the positioning holes 51 shrink towards the forming groove 21, the positioning holes 51 can be lifted when moving towards the forming groove 21 due to the bending, the positioning pins 23 can be lifted upwards by the lifting component 22, the positioning pins 23 can move along with the positioning holes 51 by the arrangement of the lifting component 22 and the first driving component 41, the positioning pins 23 can move along with the positioning holes 51 along with the workpiece 5, the fact that the workpiece 5 cannot be bent, and the accurate positioning accuracy of the subsequent stamping process of the workpiece 5 is ensured; after the stamping is completed, the reset of the stamping head 1 can drive the abutting table 3 to restore to the initial position, and the lifting assembly 22 and the first driving assembly 41 are driven to reset through the movement of the abutting table 3, so that the positioning pin 23 can return to the initial position, the positioning of the workpiece 5 by the subsequent positioning pin 23 is facilitated, and the die can perform continuous operation for a plurality of times.
As shown in fig. 1 to 7: the lower part of the base 2 is provided with two first racks 31 and rotating shafts 32 which are in mirror symmetry states, the two first racks 31 are all connected to the bottom of the abutting table 3 in a vertical state, the two rotating shafts 32 are respectively arranged beside the two first racks 31 in a horizontal state in a rotatable mode, a first gear 321 which is meshed with the first racks 31 and connected with the rotating shafts 32 in a meshed mode and a second gear 322 which is used for driving the lifting assembly 22 are sleeved on the rotating shafts 32, and the first driving assembly 41 is in transmission connection with the rotating shafts 32.
The abutting table 3 slides along the height direction of the base 2 to drive the first rack 31 to move, the first gear 321 which is meshed with the first rack 31 is driven to rotate by the movement of the first rack 31, the rotary shaft 32 is driven to rotate by the rotation of the first gear 321, the second gear 322 is driven to rotate by the rotation of the rotary shaft 32, the lifting assembly 22 is driven to start by the rotation of the second gear 322, the positioning pin 23 is driven to lift by the lifting assembly 22, and the positioning pin 23 can change the position change of the positioning pin along the height direction of the base 2, which can meet the position change of the positioning hole 51 on the workpiece 5, along with the bending of the workpiece 5; the first driving component 41 connected with the rotary shaft 32 is driven to start through the rotation of the rotary shaft 32, the first driving component 41 drives the adjusting frame 4 to slide on the base 2, so that the sliding block 45 in the adjusting frame 4 is driven, the sliding block 45 drives the positioning pin 23 to move, the positioning pin 23 can change the height of the positioning pin along with the bending of the workpiece 5 to change the position change of the positioning hole 51 on the workpiece 5 along the length direction of the base 2, the workpiece 5 is ensured not to displace in the bending process, the positioning accuracy of the workpiece 5 is ensured, and the subsequent punching precision is ensured.
In order to improve the suitability of the die, one end of the first rack 31, which is close to the abutting table 3, is provided with a connecting section, and the connecting section is provided with a latch matched with the first gear 321, so that when the abutting table 3 moves subsequently, the first gear 321 drives the connecting section on the first rack 31 to contact with the first gear 321 due to the displacement of the abutting table 3, at the moment, the first gear 321 loses the power connection with the abutting table 3, and in the resetting process of the abutting table 3, the lifting assembly 22 and the first driving assembly 41 are driven to return to the initial position, and because the workpiece 5 is bent by the stamping head 1 at the moment, the workpiece 5 is difficult to displace at the moment, the first driving assembly 41 and the lifting assembly 22 are reset, so that the workpiece 5 can be conveniently and continuously positioned, and meanwhile, the workpiece 5 can be conveniently punched subsequently, the workpiece 5 is conveniently punched by other dies, and the suitability of the die is improved.
As shown in fig. 2 to 7: the lower part of the abutting table 3 is further provided with a displacement plate 331, a first screw rod 33, a fixed plate 341 and two guide rods 34, the two guide rods 34 are fixedly connected to the lower part of the abutting table 3 in a mirror symmetry state, the fixed plate 341 is fixedly connected to the bottoms of the two guide rods 34 in a horizontal state, the first screw rod 33 is rotatably arranged between the fixed plate 341 and the abutting table 3 in a vertical state, the displacement plate 331 is sleeved on the first screw rod 33 and the two guide rods 34, the displacement plate 331 is in threaded fit with the first screw rod 33, and the end parts of the two first racks 31 are fixedly connected with the displacement plate 331.
The first screw rod 33 can drive the displacement plate 331 in threaded fit with the first screw rod 33 to move, so that the displacement plate 331 slides along the axial direction of the two guide rods 34, the first rack 31 fixedly connected with the displacement plate 331 is driven to move, the first gear 321 in meshed connection with the first rack 31 can be controlled when the first rack 31 is driven to move by adjusting the position of the first rack 31 at the bottom of the abutting table 3, the rotating shaft 32 can be controlled, the sliding distance of the adjusting frame 4 can be controlled through the second driving assembly 451, the second gear 322 can be adjusted through the rotation of the rotating shaft 32, the lifting distance of the lifting assembly 22 can be controlled, and the suitability of a die can be further improved. The drive of the first screw 33 is preferably driven by means of a motor.
As shown in fig. 5 to 7, 10 and 11: the lifting assembly 22 comprises a lifting frame 221 and a follow-up frame 222, the lifting frame 221 can slide along the height direction of the base 2, a first sliding rail 2211 consistent with the sliding direction of the sliding block 45 is arranged in the lifting frame 221, the follow-up frame 222 can be arranged on the first sliding rail 2211 in a sliding manner, a second sliding rail 2221 perpendicular to the first sliding rail 2211 is arranged on the follow-up frame 222, a first pulley 231 is arranged at the bottom of the positioning pin 23, and the first pulley 231 can be arranged on the second sliding rail 2221 in a sliding manner.
The movement of the lifting frame 221 can drive the movement of the follow-up frame 222, so that the follow-up frame 222 can slide along the height direction of the base 2, the movement of the follow-up frame 222 can drive the first pulley 231 which is in sliding fit with the second sliding rail 2221, and the first pulley 231 drives the positioning pin 23 to slide in the sliding block 45, so that the positioning pin 23 is driven to lift, and the positioning pin 23 can be matched with the bending of the workpiece 5; before the workpiece 5 is placed on the base 2, the position of the sliding block 45 needs to be adjusted, the positioning pin 23 is driven to move through the adjustment of the sliding block 45, the positioning pin 23 drives the follow-up frame 222 connected with the bottom of the workpiece to move, the follow-up frame 222 can slide in the first sliding rail 2211 of the lifting frame 221, the position adjustment of the positioning pin 23 cannot be affected, the lifting frame 221 can still drive the positioning pin 23 to lift, and the suitability of a die is improved.
As shown in fig. 5 to 7, 9 and 11: the side wall of the lifting frame 221 is provided with a third sliding rail 2212 consistent with the sliding direction of the adjusting frame 4, the lifting assembly 22 further comprises a supporting shaft 223, a first connecting rod 224, a driving rod 241, a second connecting rod 2242 and a second rack 2414, the supporting shaft 223 is horizontally fixedly connected to one end of the bottom of the base 2, which is close to the forming groove 21, one end of the first connecting rod 224 is sleeved on the supporting shaft 223, the other end of the first connecting rod 224 is provided with a second pulley 2241, the second pulley 2241 is slidably arranged on the third sliding rail 2212, the bottom center of the base 2 is provided with a supporting plate 24, the driving rod 241 is sleeved on the supporting plate 24 and is in sliding fit with the supporting plate 24, the sliding direction of the driving rod 241 is consistent with the sliding direction of the adjusting frame 4, one end, which is far away from the forming groove 21, of the driving rod 241 is provided with a connecting plate 2411, a spring 2412 is arranged between the connecting plate 2411 and the supporting plate 24, one end, which is close to the supporting shaft 223, of the driving rod 2413, one end of the second connecting rod 2242 is hinged with the middle of the first connecting rod 224, the other end of the second connecting rod 2242 is hinged with the second connecting rod 2412, the second connecting rod 2414 is hinged with the second connecting rod 2414, the other end is hinged with the second connecting rod 2414, and is meshed with the second connecting rod 2414, and is fixedly connected with the second connecting rod 2414.
The movement of the abutting table 3 drives the first rack 31, the first rack 31 drives the first gear 321 to rotate, the first gear 321 drives the rotating shaft 32 to rotate, the rotating shaft 32 drives the second gear 322 to rotate, the second gear 322 drives the second rack 2414 in meshed connection with the second gear 322 to move, the second rack 2414 slides towards one end of the forming groove 21, the connecting plate 2411 fixedly connected with the second rack 2411 is driven, the movement of the driving rod 241 is driven by the movement of the connecting plate 2411, the driving rod 241 slides on one end of the forming groove 21 on the supporting plate 24, the spring 2412 between the supporting plate 24 and the connecting plate 2411 is extruded, the movement of the driving rod 241 drives the transmission rod 2413, the second connecting rod 2242 is driven by the movement of the transmission rod 2413, the first connecting rod 224 hinged with the second connecting rod 224 is driven by the movement of the connecting rod, the second pulley 2241 of the first connecting rod 224 drives the third sliding rail 2212 in sliding fit with the second connecting rod 2241 by taking the supporting shaft 223 as a center of a circle, and the movement of the lifting frame 221 can move along the height of the lifting frame 221 in the lifting frame 2, and the lifting frame 221 can move along the lifting frame 2 can move along the height direction well; through the setting of spring 2412 for the quick reset of the realization part of spring 2412 can be quick when the first rack 31 is reset, make things convenient for follow-up work piece 5's continuation punching press, have the effect of extension mould equipment life simultaneously, it is to be noted that its elasticity of spring 2412 is less than the power of alignment jig 4 butt on spacing subassembly 42, make spring 2412 play auxiliary effect only, but can't play the elasticity that drives lifting assembly 22 and resume initial position before alignment jig 4 resets. The first connecting rods 224 and the second connecting rods 2242 are preferably two, and the two first connecting rods 224 and the two second connecting rods 2242 are respectively located at two ends of the supporting shaft 223, so that the structural strength of the lifting assembly 22 can be further improved, and the running stability of the die can be improved.
As shown in fig. 5 to 10: the below of alignment jig 4 is provided with the fourth slide rail 43 that extends along the height of base 2, first drive assembly 41 includes transmission shaft 411, hold-in range 4111 and third connecting rod 412, transmission shaft 411 rotatable setting is on the lateral wall of the bottom of base 2, and the axis of transmission shaft 411 is parallel to each other with the axis of rotation axis 32, hold-in range 4111 overlaps between transmission shaft 411 and rotation axis 32, one of them pot head of third connecting rod 412 is located on transmission shaft 411, the one end that keeps away from transmission shaft 411 on the third connecting rod 412 is provided with third pulley 4121, third pulley 4121 and fourth slide rail 43 sliding fit.
The motion through butt platform 3 drives the motion of first rack 31, the rotation of first gear 321 has been driven through first rack 31, the rotation through first gear 321 drive rotation axis 32, the rotation through rotation axis 32 has driven hold-in range 4111, thereby drive the transmission shaft 411 of being connected with it, drive the third connecting rod 412 of being connected with it through transmission shaft 411, make the third connecting rod 412 rotate with transmission shaft 411 as the centre of a circle, thereby drive the third pulley 4121 on the other end of third connecting rod 412, drive rather than sliding fit's fourth slide rail 43 through third pulley 4121, drive the regulating frame 4 of being connected with it through fourth slide rail 43, make regulating frame 4 can slide along the length direction of base 2, it is because the direction slope of keeping away from butt platform 3 one side under initial condition to need be explained here that third connecting rod 412, make the third connecting rod can drive fourth slide rail 43 and move towards one side of keeping away from butt platform 3 under the effect of gravity, ensure that it can butt on spacing subassembly 42 under initial condition, it is driven to overturn to be close to one side of butt platform by transmission shaft 411, drive the power to be close to the side of butt platform 3 under the effect of gravity, make the side of restoring to drive the connecting rod 3 to make one side of being close to the connecting rod 3 to the side of the connecting rod that is driven to be close to the side of the fourth slide rail 4 through fourth slide rail 43, make the regulating frame 4 can slide along the direction of the base 2, it is adjacent to one side 3, the side of the connecting rod is driven to be inclined to 3 under the effect of butt platform 3.
As shown in fig. 5 to 10: the inside spout 44 that is provided with of alignment jig 4, slider 45 slidable set up in spout 44, second drive assembly 451 include second lead screw 4511 and first drive plate 4512, and one side that is close to shaping groove 21 on alignment jig 4 is provided with two first mounting panel 4513, and second lead screw 4511 can rotate to set up between two first mounting panel 4513, and first drive plate 4512 fixed connection is on slider 45, and first drive plate 4512 cover is located on second lead screw 4511 and rather than screw-thread fit.
The second screw rod 4511 is rotated to drive the first driving plate 4512 in threaded fit with the second screw rod 4511, and the first driving plate 4512 is moved to drive the sliding block 45 fixedly connected with the first driving plate 4512, so that the sliding block 45 can move to any position in the sliding groove 44, and the sliding block 45 can keep unchanged in position after being adjusted due to the characteristic of self-locking of screw rod transmission, so that continuous operation is facilitated. The drive of the second screw 4511 is preferably by means of a motor drive.
As shown in fig. 5 to 10: the limiting assembly 42 comprises a limiting plate 421 and a third screw rod 424, the limiting plate 421 can be slidably arranged at the top of the base 2, the limiting plate 421 is parallel to the adjusting frame 4, a second driving plate 422 penetrating through the side wall of the base 2 is arranged at the end part of the limiting plate 421, two second mounting plates 423 are arranged on the side wall of the base 2, the third screw rod 424 can be rotatably arranged between the two second mounting plates 423, and the second driving plate 422 is sleeved on the third screw rod 424 and is in threaded fit with the third screw rod 424.
The third screw rod 424 is rotated to drive the second driving plate 422 in threaded fit with the third screw rod 424, and the second driving plate 422 is moved to drive the limiting plate 421 connected with the third screw rod 422, so that the limiting plate 421 can slide to any position at the top of the base 2, the sliding initial position of the adjusting frame 4 is limited, the adjusting locating pin 23 can be mutually matched with the locating hole 51 of the workpiece 5 with different sizes, and the limiting plate 421 can keep unchanged in position after being adjusted due to the characteristic of self locking of screw rod transmission, so that continuous operation is facilitated. The third screw 424 is preferably driven by a motor.
As shown in fig. 2, 3, 5 and 11: the positioning pin 23 comprises a positioning rod 232 and a positioning head 233, the positioning rod 232 is sleeved in the sliding block 45, and the positioning head 233 is elastically connected to the top of the positioning rod 232.
In the process of bending the workpiece 5, the angle between the positioning hole 51 and the positioning pin 23 on the workpiece 5 also changes, and the positioning head 233 can be matched with the angle change of the positioning hole 51 through the arrangement of the positioning head 233 in elastic connection, so that the positioning of the workpiece 5 can be more accurate, the positioning head 233 can be hinged with the positioning rod 232, a torsion spring which is not shown in the drawing is arranged between the positioning head 233 and the positioning rod 232, the positioning head 233 can rotate along with the positioning hole 51, and when the positioning head 233 withdraws from the workpiece 5, the positioning head 233 can be reset under the action of the torsion spring, so that the positioning head 233 and the positioning rod 232 are coaxially arranged, and the subsequent workpiece 5 can be connected with the positioning pin 23. The positioning rod 232 is preferably a flexible and resilient rod body, thereby enabling the positioning pin 23 to better match the positioning hole 51 in the workpiece 5 during movement with the workpiece 5.
As shown in fig. 1 and 5: two ends of the base 2 are provided with two expansion plates 25, the two expansion plates 25 are respectively positioned at two ends of the adjusting frame 4, and two ends of the expansion plates 25 are respectively connected with the adjusting frame 4 and the base 2.
Because the adjusting frame 4 can be arranged on the base 2 in a sliding way, the supportability of the workpiece 5 on the base 2 is possibly insufficient, and the top of the base 2 is provided with enough supportability to place the workpiece 5 through the arrangement of the telescopic plate 25, so that the workpiece 5 is convenient to process.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (10)
1. The stamping die for the sheet metal part of the vehicle body of the multi-stage stamping structure comprises a stamping head (1) and a base (2) arranged below the stamping head (1), wherein a forming groove (21) matched with the stamping head (1) is formed in the base (2), and the stamping die is characterized in that an abutting table (3) capable of sliding along the height direction of the base (2) is arranged in the forming groove (21), the top surface of the abutting table (3) is flush with the top surface of the base (2), and the abutting table (3) is elastically connected with the forming groove (21);
both ends of the base (2) are provided with an adjusting frame (4) and a locating pin (23), and the adjusting frame (4) can slide back and forth along the length direction of the base (2);
a first driving component (41) for driving the adjusting frame (4) to slide back and forth on the base (2) is arranged below the adjusting frame, one end, far away from the forming groove (21), of the two ends of the base (2) is provided with a limiting component (42) for limiting the sliding range of the adjusting frame (4), and the limiting component (42) can be slidably adjusted along the length direction of the base (2);
the adjusting frame (4) is provided with a sliding block (45) which can slide along the length direction of the adjusting frame (4) and a second driving component (451) for adjusting the position of the sliding block (45) on the adjusting frame (4);
the locating pin (23) is sleeved on the sliding block (45), and a lifting assembly (22) capable of driving the locating pin (23) to slide on the sliding block (45) along the height direction of the base (2) is arranged below the adjusting frame (4);
the lifting component (22) and the first driving component (41) are in transmission connection with the abutting table (3).
2. The stamping die for the sheet metal part of the vehicle body with the multi-stage stamping structure according to claim 1 is characterized in that two first racks (31) in mirror symmetry states and a rotating shaft (32) are arranged below the base (2), the two first racks (31) are vertically connected to the bottom of the abutting table (3), the two rotating shafts (32) are horizontally arranged beside the two first racks (31) in a rotatable mode, a first gear (321) meshed with the first racks (31) and a second gear (322) used for driving the lifting assembly (22) are sleeved on the rotating shaft (32), and the first driving assembly (41) is in transmission connection with the rotating shaft (32).
3. The stamping die for the sheet metal part of the automobile body with the multi-stage stamping structure according to claim 2 is characterized in that a displacement plate (331), a first screw rod (33), a fixed plate (341) and two guide rods (34) are further arranged below the abutting table (3), the two guide rods (34) are fixedly connected to the lower portion of the abutting table (3) in a mirror symmetry state, the fixed plate (341) is fixedly connected to the bottom of the two guide rods (34) in a horizontal state, the first screw rod (33) is rotatably arranged between the fixed plate (341) and the abutting table (3) in a vertical state, the displacement plate (331) is sleeved on the first screw rod (33) and the two guide rods (34), the displacement plate (331) is in threaded fit with the first screw rod (33), and the end portions of the two first racks (31) are fixedly connected with the displacement plate (331).
4. The stamping die for the sheet metal part of the vehicle body with the multi-stage stamping structure according to claim 2, wherein the lifting assembly (22) comprises a lifting frame (221) and a follow-up frame (222), the lifting frame (221) can slide along the height direction of the base (2), a first sliding rail (2211) consistent with the sliding direction of the sliding block (45) is arranged in the lifting frame (221), the follow-up frame (222) can be arranged on the first sliding rail (2211) in a sliding manner, a second sliding rail (2221) which is mutually perpendicular to the first sliding rail (2211) is arranged on the follow-up frame (222), a first pulley (231) is arranged at the bottom of the positioning pin (23), and the first pulley (231) can be arranged on the second sliding rail (2221) in a sliding manner.
5. The stamping die for sheet metal parts of a vehicle body with a multi-stage stamping structure according to claim 4, wherein a third sliding rail (2212) consistent with the sliding direction of the adjusting frame (4) is arranged on the side wall of the lifting frame (221), the lifting assembly (22) further comprises a supporting shaft (223), a first connecting rod (224), a driving rod (241), a second connecting rod (2242) and a second rack (2414), the supporting shaft (223) is fixedly connected to one end, close to the forming groove (21), of the bottom of the base (2) in a horizontal state, one end of the first connecting rod (224) is sleeved on the supporting shaft (223), the other end of the first connecting rod (224) is provided with a second pulley (2241), the second pulley (2241) is slidably arranged on the third sliding rail (2212), the bottom center of the base (2) is provided with a supporting plate (24), the driving rod (241) is sleeved on the supporting plate (24) and is slidably matched with the driving rod (241), the sliding direction of the driving rod (241) is consistent with the sliding direction of the adjusting frame (4), one end, far away from the forming groove (21) is provided with a connecting plate (2411), the connecting plate (2411) is arranged between the other end of the driving rod (241) and the connecting plate (2411), one end, close to the supporting shaft (223), of the driving rod (241) is provided with a transmission rod (2413) parallel to the axis of the supporting shaft (223), one end of a second connecting rod (2242) is hinged to the middle of the first connecting rod (224), the other end of the second connecting rod (2242) is hinged to the transmission rod (2413), a second rack (2414) is fixedly connected to the connecting plate (2411) and located below the driving rod (241), the second rack (2414) is parallel to the driving rod (241), and the second rack (2414) is meshed with the second gear (322).
6. The stamping die for the sheet metal part of the automobile body of the multi-stage stamping structure according to claim 2 is characterized in that a fourth sliding rail (43) extending along the height of the base (2) is arranged below the adjusting frame (4), the first driving assembly (41) comprises a transmission shaft (411), a synchronous belt (4111) and a third connecting rod (412), the transmission shaft (411) can be rotatably arranged on the side wall of the bottom of the base (2), the axis of the transmission shaft (411) is parallel to the axis of the rotating shaft (32), the synchronous belt (4111) is sleeved between the transmission shaft (411) and the rotating shaft (32), one end of the third connecting rod (412) is sleeved on the transmission shaft (411), one end, far away from the transmission shaft (411), of the third connecting rod (412) is provided with a third pulley (4121), and the third pulley (4121) is in sliding fit with the fourth sliding rail (43).
7. The stamping die for the sheet metal part of the vehicle body with the multi-stage stamping structure according to any one of claims 1 to 5, wherein a sliding groove (44) is formed in the adjusting frame (4), the sliding block (45) is slidably arranged in the sliding groove (44), the second driving assembly (451) comprises a second screw rod (4511) and a first driving plate (4512), two first mounting plates (4513) are arranged on one side, close to the forming groove (21), of the adjusting frame (4), the second screw rod (4511) can be rotatably arranged between the two first mounting plates (4513), the first driving plate (4512) is fixedly connected to the sliding block (45), and the first driving plate (4512) is sleeved on the second screw rod (4511) and is in threaded fit with the second screw rod (4511).
8. The stamping die for the sheet metal part of the vehicle body with the multi-stage stamping structure according to any one of claims 1 to 5, wherein the limiting assembly (42) comprises a limiting plate (421) and a third screw rod (424), the limiting plate (421) can be slidably arranged at the top of the base (2), the limiting plate (421) is parallel to the adjusting frame (4), a second driving plate (422) penetrating through the side wall of the base (2) is arranged at the end part of the limiting plate (421), two second mounting plates (423) are arranged on the side wall of the base (2), the third screw rod (424) can be rotatably arranged between the two second mounting plates (423), and the second driving plate (422) is sleeved on the third screw rod (424) and is in threaded fit with the third screw rod (424).
9. The stamping die for a sheet metal part of a vehicle body with a multi-stage stamping structure according to any one of claims 1 to 5, wherein the positioning pin (23) comprises a positioning rod (232) and a positioning head (233), the positioning rod (232) is sleeved in the sliding block (45), and the positioning head (233) is elastically connected to the top of the positioning rod (232).
10. The stamping die for the sheet metal part of the vehicle body with the multi-stage stamping structure according to any one of claims 1 to 5, wherein two telescopic plates (25) are arranged at two ends of the base (2), the two telescopic plates (25) are respectively positioned at two ends of the adjusting frame (4), and two ends of the telescopic plates (25) are respectively connected with the adjusting frame (4) and the base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311753758.8A CN117583428A (en) | 2023-12-20 | 2023-12-20 | Stamping die for sheet metal parts of vehicle body with multistage stamping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311753758.8A CN117583428A (en) | 2023-12-20 | 2023-12-20 | Stamping die for sheet metal parts of vehicle body with multistage stamping structure |
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| Publication Number | Publication Date |
|---|---|
| CN117583428A true CN117583428A (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311753758.8A Pending CN117583428A (en) | 2023-12-20 | 2023-12-20 | Stamping die for sheet metal parts of vehicle body with multistage stamping structure |
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| CN (1) | CN117583428A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117920888A (en) * | 2024-03-22 | 2024-04-26 | 常州新时达光能科技有限公司 | Sheet metal machining device suitable for new energy automobile communication panel |
| CN118080662A (en) * | 2024-04-19 | 2024-05-28 | 株洲明益鑫轨道交通装备制造有限公司 | Elastic clamp production forming die for track turnout |
-
2023
- 2023-12-20 CN CN202311753758.8A patent/CN117583428A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117920888A (en) * | 2024-03-22 | 2024-04-26 | 常州新时达光能科技有限公司 | Sheet metal machining device suitable for new energy automobile communication panel |
| CN118080662A (en) * | 2024-04-19 | 2024-05-28 | 株洲明益鑫轨道交通装备制造有限公司 | Elastic clamp production forming die for track turnout |
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