CN112387872A - Bending die for automobile production and use method thereof - Google Patents
Bending die for automobile production and use method thereof Download PDFInfo
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- CN112387872A CN112387872A CN202011136511.8A CN202011136511A CN112387872A CN 112387872 A CN112387872 A CN 112387872A CN 202011136511 A CN202011136511 A CN 202011136511A CN 112387872 A CN112387872 A CN 112387872A
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- shaft
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
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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
- B21D5/006—Bending sheet metal along straight lines, e.g. to form simple curves combined with measuring of bends
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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
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
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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 discloses a bending die for automobile production and a use method thereof, relates to the technical field of bending dies, and aims to solve the problems that most of stamping die structures of the existing bending dies in the prior art are designed to be fixed structures, only certain accessories can be machined singly, the stamping die structure needs to be replaced once the accessories are replaced, the process is complicated, and the cost is increased. The top of the pressing template is provided with a central shaft bracket, the central shaft bracket is connected with the pressing template through bolts, a pressing lifting rod is arranged above the central shaft bracket, connecting shaft arms are arranged on two sides of the pressing lifting rod, the pressing lifting rod is rotatably connected with the central shaft bracket through the connecting shaft arms, the connecting shaft arms are rotatably connected with the central shaft bracket and the pressing lifting rod, a supporting shaft column is arranged below one end of the pressing lifting rod, the pressing lifting rod is rotatably connected with the supporting shaft column, and the supporting shaft column is connected with the supporting template through bolts.
Description
Technical Field
The invention relates to the technical field of bending dies, in particular to a bending die for automobile production and a using method thereof.
Background
The bending die is a die for bending a blank or a semi-finished product into a certain shape. The bending die is similar to a common blanking die in structure and is divided into an upper part and a lower part, and the bending die consists of a convex die, a concave die, a positioning part, a discharging part, a guiding part, a fastening part and the like. The bending die is designed according to the shape, size, precision, material, production batch and other proposed bending processes, and the positioning of the blank is accurate and reliable, and can be horizontally placed as far as possible, or positioned by using holes in the blank. When bending for many times, it is better to adopt the same positioning reference; secondly, the mould structurally prevents the blank from displacing in the stamping deformation process, avoids material thinning and section distortion, and can consider adopting symmetrical bending and correction bending, and finally the blank is put in and the finished piece is taken out conveniently, reliably and safely, so that the requirement of simple operation is met.
However, in the existing automobile part production process, bending processing needs to be performed on some metal accessories, most of the punching die structures of the traditional bending die are designed to be fixed structures, processing of a certain class of accessories can be completed only singly, once the accessories are replaced, the punching die structure needs to be replaced, the process is complicated, and the cost is increased; therefore, the existing requirements are not met, and a bending die for automobile production and a using method thereof are provided.
Disclosure of Invention
The invention aims to provide a bending die for automobile production and a using method thereof, and aims to solve the problems that in the prior art, bending processing needs to be carried out on some metal accessories in the production process of the existing automobile parts, most of die stamping structures of the traditional bending die are designed in a fixed structure, processing of certain accessories can be completed only singly, the die stamping structure needs to be replaced once the accessories are replaced, the process is complicated, and the cost is increased.
In order to achieve the purpose, the invention provides the following technical scheme: a bending die for automobile production comprises a pressing template and a supporting template, wherein a central shaft bracket is arranged at the top of the pressing template and is connected with the pressing template through a bolt, a pressing lifting rod is arranged above the central shaft bracket, two sides of the pressing lifting rod are respectively provided with a connecting shaft arm, the pressing lifting rod is rotatably connected with the central shaft bracket through the connecting shaft arms and is rotatably connected with the central shaft bracket and the pressing lifting rod, a supporting shaft column is arranged below one end of the pressing lifting rod and is rotatably connected with the supporting shaft column, the supporting shaft column is connected with the supporting template through a bolt, a scale support rod is arranged at the bottom of the pressing template, a scale groove is formed in the outer surface of the scale support rod, a horizontal clamping platform is arranged above the supporting template and is connected with the supporting template through a bolt, one side fixing groove is formed in one side of the horizontal clamping platform, and the outer surface of the side fixing groove is provided with a fixing anchor, the other side of the horizontal clamping table is provided with a hydraulic shaft barrel, the scale support rod is in telescopic connection with the hydraulic shaft barrel, the outer side of the hydraulic shaft barrel is provided with a compression spring, and the compression spring is connected with the press-fit template and the support template through clamping grooves.
Preferably, the surface of horizontal clamp platform is provided with the processing spout, and the middle section of processing spout is provided with the gag lever post, the gag lever post passes through the draw-in groove with horizontal clamp platform and is connected.
Preferably, a bending shaft is arranged above the horizontal clamping table and is in sliding connection with the processing chute, a trapezoidal chamfer is arranged at one end of the bending shaft, and a threaded screw rod is arranged at the other end of the bending shaft.
Preferably, both ends of the horizontal clamping table are provided with telescopic support plates, the telescopic support plates are connected with the supporting template through bolts, the other end of the threaded screw rod is provided with an adjusting knob, and the threaded screw rod is rotatably connected with the telescopic support plates through internal threads.
Preferably, a prismatic pressing block assembly is arranged below the pressing template and comprises a first concave shaft connecting arm, a second concave shaft connecting arm, a first convex shaft connecting arm and a second convex shaft connecting arm.
Preferably, the two ends of the first concave shaft connecting arm and the second concave shaft connecting arm are both provided with movable rotating grooves, and the two ends of the first convex shaft connecting arm and the second convex shaft connecting arm are both provided with a switching shaft block.
Preferably, a central rotating shaft is arranged inside the switching shaft block and is rotatably connected with the switching shaft block.
Preferably, the one end and the second concave axle linking arm of first protruding axle linking arm rotate to be connected, and the other end rotates with the second concave axle linking arm to be connected, the one end and the second concave axle linking arm of second protruding axle linking arm rotate to be connected, and the other end rotates with the second concave axle linking arm to be connected.
Preferably, the two ends of the prismatic pressing block assembly are provided with extension sliding shafts, the prismatic pressing block assembly is rotatably connected with the extension sliding shafts, a hanging rail is arranged above the extension sliding shafts, and the hanging rail is connected with the pressing template through bolts.
A use method of a bending die for automobile production comprises the following steps:
the method comprises the following steps: placing a metal sheet of the automobile part above the two groups of bending processing shafts, and then adjusting the prismatic pressing block assembly according to the corresponding bending processing requirement;
step two: the prismatic pressing block assembly is formed by mutually connecting four groups of metal connecting arms, and the four groups of metal connecting arms can be stretched and rotated to form a prismatic structure or a square structure;
step three: two end angles of the prismatic pressing block assembly are respectively connected with the extension sliding shaft, and the included angle of the side edge end angle at the bottom of the prismatic pressing block assembly can be adjusted by pulling the extension sliding shaft during adjustment;
step four: the smaller the distance between the extension sliding shafts is, the smaller the reading of the included angle of the end angle of the side edge of the prismatic pressing block assembly is, and otherwise, the degree of the included angle can be increased by pulling the extension sliding shafts outwards;
step five: after the reading of the included angle is adjusted, the expansion sliding shaft is fixed, and then the distance between the two groups of bending processing shafts is adjusted according to the adjusted included angle degrees so as to be corresponding to the angle degrees;
step six: finally, pressing the pressing lifting rod above the pressing template downwards, and utilizing the lever to make the prismatic pressing block assembly below the pressing template contact with the metal sheet originally, so as to finish bending processing;
step seven: in the pressing process, the machining precision can be grasped by reading the scale value of the outer surface of the scale support rod.
Compared with the prior art, the invention has the beneficial effects that:
1. the prismatic pressing block assembly has the same effect as a stamping die structure in a traditional bending die, the prismatic pressing block assembly can be used for stamping accessories, the prismatic pressing block assembly is formed by connecting four groups of metal connecting arms, the four groups of metal connecting arms can be stretched and rotated to form a prismatic structure or a square structure, two end angles of the prismatic pressing block assembly are respectively connected with the expanding sliding shafts, the smaller the distance between the expanding sliding shafts is, the smaller the reading of the included angle of the end angle at the side edge of the prismatic pressing block assembly is, otherwise, the degree of the included angle can be increased by pulling the expanding sliding shafts outwards, and therefore when different accessories are machined, the prismatic pressing block assembly can be directly adjusted to complete matching, and the working efficiency is improved;
2. the scale support rod is connected with the pressing template in a sliding mode, the hydraulic shaft cylinder is fixedly connected with the supporting template, when the pressing template is pressed down, the scale support rod is kept still, the pressing template is pressed down continuously along with the contraction of the hydraulic shaft cylinder, and at the moment, the feeding amount of the pressing template can be mastered by reading the scale on the surface of the scale support rod.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is a schematic view of the structure of a prismatic compact assembly of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A of the present invention;
FIG. 4 is a schematic view of a press-fit mold plate according to the present invention;
fig. 5 is a schematic diagram of a supporting template structure according to the present invention.
In the figure: 1. pressing the template; 2. supporting the template; 3. side fixing grooves; 4. a anchor pin; 5. a telescopic support plate; 6. adjusting a knob; 7. a threaded lead screw; 8. a horizontal clamping table; 9. bending the processing shaft; 10. a hydraulic shaft cylinder; 11. a compression spring; 12. a scale supporting rod; 13. a central pedestal; 14. pressing the lifting rod; 15. a prismatic press block assembly; 16. a first concave shaft connecting arm; 17. a second concave shaft connecting arm; 18. a movable rotary groove; 19. a first protruding shaft connecting arm; 20. a second protruding shaft connecting arm; 21. a switching shaft block; 22. a central rotating shaft; 23. supporting the axle column; 24. hanging a rail; 25. an extension slide shaft; 26. a coupling shaft arm; 27. processing a chute; 28. a limiting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an embodiment of the present invention is shown: a bending die for automobile production comprises a press-fit template 1 and a support template 2, wherein a central shaft bracket 13 is arranged at the top of the press-fit template 1 and is used as a central fulcrum of a press-fit lifting rod 14 to play a role of supporting and fixing, the central shaft bracket 13 is connected with the press-fit template 1 through a bolt, a press-fit lifting rod 14 is arranged above the central shaft bracket 13, both sides of the press-fit lifting rod 14 are provided with connecting shaft arms 26, the press-fit lifting rod 14 can be pressed down by pressing the press-fit lifting rod 14, the press-fit lifting rod 14 is rotatably connected with the central shaft bracket 13 through the connecting shaft arms 26, the connecting shaft arms 26 are rotatably connected with the central shaft bracket 13 and the press-fit lifting rod 14, a support shaft column 23 is arranged below one end of the press-fit lifting rod 14, the press-fit lifting rod 14 is rotatably connected with the support shaft column 23, the support shaft column 23 is connected with the support template 2 through a bolt, the outer surface of the scale support rod 12 is provided with a scale groove, a horizontal clamping platform 8 is arranged above the supporting template 2, the horizontal clamping platform 8 is connected with the supporting template 2 through a bolt, one side of the horizontal clamping platform 8 is provided with a side fixing groove 3, the outer surface of the side fixing groove 3 is provided with a fixing anchor 4, the other side of the horizontal clamping platform 8 is provided with a hydraulic shaft cylinder 10, the scale support rod 12 is telescopically connected with the hydraulic shaft cylinder 10, the scale support rod 12 is slidably connected with the press-fit template 1, the hydraulic shaft cylinder 10 is fixedly connected with the supporting template 2, when the press-fit template 1 is pressed down, the scale support rod 12 keeps still, the press-fit template 1 is pressed down along with the contraction of the hydraulic shaft cylinder 10, the feeding amount of the press-fit template 1 can be mastered by reading the scale on the surface of the scale support rod 12, the outer side of the hydraulic shaft cylinder 10 is provided with a compression spring 11, and the compression spring, the compression spring 11 is mainly used for resetting the pressing template 1 after the pressing processing is finished, so that the next processing is facilitated.
Further, the outer surface of the horizontal clamping table 8 is provided with a processing chute 27, the middle section of the processing chute 27 is provided with a limiting rod 28, and the limiting rod 28 is connected with the horizontal clamping table 8 through a clamping groove.
Further, a bending shaft 9 is arranged above the horizontal clamping table 8, the bending shaft 9 is connected with the processing chute 27 in a sliding mode, one end of the bending shaft 9 is provided with a trapezoidal chamfer, and the other end of the bending shaft 9 is provided with a threaded screw rod 7.
Further, both ends of the horizontal clamping table 8 are provided with telescopic support plates 5, the telescopic support plates 5 are connected with the supporting template 2 through bolts, the other end of the threaded screw rod 7 is provided with an adjusting knob 6, the threaded screw rod 7 is rotatably connected with the telescopic support plates 5 through internal threads, and the rotation of the threaded screw rod 7 can be controlled by rotating the adjusting knob 6, so that the bending processing shaft 9 is driven to move.
Further, a prismatic pressing block assembly 15 is arranged below the pressing template 1, the prismatic pressing block assembly 15 comprises a first concave shaft connecting arm 16, a second concave shaft connecting arm 17, a first convex shaft connecting arm 19 and a second convex shaft connecting arm 20, the prismatic pressing block assembly 15 has the same effect as a stamping die structure in a traditional bending die, and accessories can be stamped through the prismatic pressing block assembly 15.
Further, the two ends of the first concave shaft connecting arm 16 and the second concave shaft connecting arm 17 are both provided with movable rotary grooves 18, and the two ends of the first convex shaft connecting arm 19 and the second convex shaft connecting arm 20 are both provided with adapter shaft blocks 21.
Further, a central rotating shaft 22 is arranged inside the switching shaft block 21, and the central rotating shaft 22 is rotatably connected with the switching shaft block 21, so that the connecting arms are rotatably connected.
Further, one end of the first convex shaft connecting arm 19 is rotatably connected with the second concave shaft connecting arm 17, the other end of the first convex shaft connecting arm is rotatably connected with the second concave shaft connecting arm 17, one end of the second convex shaft connecting arm 20 is rotatably connected with the second concave shaft connecting arm 17, the other end of the second convex shaft connecting arm is rotatably connected with the second concave shaft connecting arm 17, and the four groups of metal connecting arms can be stretched and rotated to form a prismatic structure or a square structure.
Furthermore, the two ends of the prismatic pressing block assembly 15 are both provided with an extension sliding shaft 25, the prismatic pressing block assembly 15 is rotatably connected with the extension sliding shaft 25, a hanging rail 24 is arranged above the extension sliding shaft 25, and the hanging rail 24 is connected with the pressing template 1 through a bolt.
A use method of a bending die for automobile production comprises the following steps:
the method comprises the following steps: placing a metal sheet of the automobile part above the two groups of bending processing shafts 9, and then adjusting the prismatic pressing block assembly 15 according to the corresponding bending processing requirement;
step two: the prismatic pressing block assembly 15 is formed by connecting four groups of metal connecting arms, and the four groups of metal connecting arms can be stretched and rotated to form a prismatic structure or a square structure;
step three: two end angles of the prismatic pressing block assembly 15 are respectively connected with the extension sliding shaft 25, and the included angle of the side edge end angle at the bottom of the prismatic pressing block assembly 15 can be adjusted by pulling the extension sliding shaft 25 during adjustment;
step four: the smaller the distance between the extending sliding shafts 25 is, the smaller the reading of the included angle of the end angle of the side edge of the prismatic pressing block assembly 15 is, otherwise, the included angle degree can be increased by pulling the extending sliding shafts 25 outwards, so that when different accessories are machined, matching can be completed directly by adjusting the prismatic pressing block assembly 15, and the working efficiency is improved;
step five: after the reading of the included angle is adjusted, the extension sliding shaft 25 is fixed, and then the distance between the two groups of bending processing shafts 9 is adjusted according to the adjusted included angle degrees so as to be corresponding to the angle degrees;
step six: finally, the pressing lifting rod 14 above the pressing template 1 is pressed downwards, and the prismatic pressing block assembly 15 below the pressing template 1 is contacted with the metal sheet by utilizing a lever, so that the bending processing is finished;
step seven: during the pressing process, the machining precision can be grasped by reading the scale value of the outer surface of the scale support rod 12.
The working principle is as follows: when the device is used, a metal sheet of an automobile part is placed above the two groups of bending processing shafts 9, then the prismatic pressing block assembly 15 is adjusted according to the corresponding bending processing requirement, the prismatic pressing block assembly 15 is formed by connecting four groups of metal connecting arms, the four groups of metal connecting arms can be stretched and rotated to form a prismatic structure or a square structure, two end angles of the prismatic pressing block assembly 15 are respectively connected with the expanding sliding shaft 25, the size of an included angle of a side edge end angle at the bottom of the prismatic pressing block assembly 15 can be adjusted by pulling the expanding sliding shaft 25 during adjustment, the smaller the distance between the expanding sliding shafts 25 is, the smaller the reading of the included angle of the side edge end angle of the prismatic pressing block assembly 15 is, otherwise, the degree of the included angle can be increased by pulling the expanding sliding shaft 25 outwards, and therefore, when different accessories are processed, matching can be completed by directly adjusting the prismatic pressing block assembly 15, promote work efficiency, adjust and play contained angle reading back, fix extension slide shaft 25, later adjust the interval size between two sets of bending shafts 9 according to the contained angle number of degrees of regulation, make it corresponding with the angle number of degrees, lift pole 14 downwards with the pressfitting above the pressfitting template 1 at last, utilize the original prism briquetting subassembly 15 that makes the pressfitting template 1 below of lever to contact with the sheetmetal, thereby accomplish bending, at the in-process of pressfitting, can hold the machining precision through reading the scale interval of scale branch 12 surface.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a bending die for automobile production, includes pressfitting template (1) and supporting template (2), its characterized in that: the top of the pressing template (1) is provided with a central shaft bracket (13), the central shaft bracket (13) is connected with the pressing template (1) through bolts, a pressing lifting rod (14) is arranged above the central shaft bracket (13), two sides of the pressing lifting rod (14) are respectively provided with a connecting shaft arm (26), the pressing lifting rod (14) is rotatably connected with the central shaft bracket (13) through the connecting shaft arm (26), the connecting shaft arm (26) is rotatably connected with the central shaft bracket (13) and the pressing lifting rod (14), a supporting shaft column (23) is arranged below one end of the pressing lifting rod (14), the pressing lifting rod (14) is rotatably connected with the supporting shaft column (23), the supporting shaft column (23) is connected with the supporting template (2) through bolts, the bottom of the pressing template (1) is provided with a scale support rod (12), and the outer surface of the scale support rod (12) is provided with a scale groove, the utility model discloses a support template, including support template (2), horizontal clamp platform (8) is provided with in the top of support template (2), and horizontal clamp platform (8) and support template (2) pass through bolted connection, one side of horizontal clamp platform (8) is provided with side fixed slot (3), and the surface of side fixed slot (3) is provided with anchor nail (4), the opposite side of horizontal clamp platform (8) is provided with hydraulic shaft section of thick bamboo (10), and scale branch (12) and hydraulic shaft section of thick bamboo (10) telescopic connection, the outside of hydraulic shaft section of thick bamboo (10) is provided with compression spring (11), and compression spring (11) and pressfitting template (1) and support template (2) pass through the draw-in groove and be connected.
2. The bending die for automobile production according to claim 1, wherein: the surface of horizontal clamp platform (8) is provided with processing spout (27), and the middle section of processing spout (27) is provided with gag lever post (28), gag lever post (28) pass through the draw-in groove with horizontal clamp platform (8) and are connected.
3. The bending die for automobile production according to claim 2, wherein: the bending machine is characterized in that a bending shaft (9) is arranged above the horizontal clamping table (8), the bending shaft (9) is connected with the machining sliding groove (27) in a sliding mode, a trapezoidal chamfer is arranged at one end of the bending shaft (9), and a threaded screw rod (7) is arranged at the other end of the bending shaft (9).
4. The bending die for automobile production according to claim 3, wherein: the horizontal clamping table is characterized in that telescopic support plates (5) are arranged at two ends of the horizontal clamping table (8), the telescopic support plates (5) are connected with the supporting template (2) through bolts, adjusting knobs (6) are arranged at the other ends of the threaded lead screws (7), and the threaded lead screws (7) are rotatably connected with the telescopic support plates (5) through internal threads.
5. The bending die for automobile production according to claim 1, wherein: a prismatic pressing block assembly (15) is arranged below the pressing template (1), and the prismatic pressing block assembly (15) comprises a first concave shaft connecting arm (16), a second concave shaft connecting arm (17), a first convex shaft connecting arm (19) and a second convex shaft connecting arm (20).
6. The bending die for automobile production according to claim 5, wherein: the two ends of the first concave shaft connecting arm (16) and the second concave shaft connecting arm (17) are respectively provided with a movable rotating groove (18), and the two ends of the first convex shaft connecting arm (19) and the second convex shaft connecting arm (20) are respectively provided with a rotating shaft block (21).
7. The bending die for automobile production according to claim 6, wherein: a central rotating shaft (22) is arranged inside the switching shaft block (21), and the central rotating shaft (22) is rotatably connected with the switching shaft block (21).
8. The bending die for automobile production according to claim 5, wherein: the one end and the second of first protruding axle linking arm (19) are connected in the rotation of second concave axle linking arm (17), and the other end and second concave axle linking arm (17) rotate and are connected, the one end and the second of second protruding axle linking arm (20) rotate with second concave axle linking arm (17) and are connected, and the other end rotates with second concave axle linking arm (17) and is connected.
9. The bending die for automobile production according to claim 5, wherein: the two ends of the prismatic pressing block assembly (15) are provided with extension sliding shafts (25), the prismatic pressing block assembly (15) is rotatably connected with the extension sliding shafts (25), a hanging rail (24) is arranged above the extension sliding shafts (25), and the hanging rail (24) is connected with the pressing template (1) through bolts.
10. The use method of the bending die for automobile production is realized on the basis of any one of claims 1 to 9, and is characterized by comprising the following steps of:
the method comprises the following steps: placing a metal sheet of the automobile part above the two groups of bending processing shafts (9), and then adjusting the prismatic pressing block assembly (15) according to the corresponding bending processing requirement;
step two: the prismatic pressing block assembly (15) is formed by connecting four groups of metal connecting arms, and the four groups of metal connecting arms can be stretched and rotated to form a prismatic structure or a square structure;
step three: two end angles of the prismatic pressing block assembly (15) are respectively connected with the extension sliding shaft (25), and the included angle of the side edge end angle at the bottom of the prismatic pressing block assembly (15) can be adjusted by pulling the extension sliding shaft (25) during adjustment;
step four: the smaller the distance between the extended sliding shafts (25), the smaller the reading of the included angle of the end angle of the side edge of the prismatic pressing block assembly (15), and on the contrary, the degree of the included angle can be increased by pulling the extended sliding shafts (25) outwards;
step five: after the reading of the included angle is adjusted, the extension sliding shaft (25) is fixed, and then the distance between the two groups of bending processing shafts (9) is adjusted according to the adjusted included angle degree to be corresponding to the angle degree;
step six: finally, pressing a pressing lifting rod (14) above the pressing template (1) downwards, and using a lever to make a prismatic pressing block assembly (15) below the pressing template (1) contact with the metal sheet so as to finish bending processing;
step seven: during the pressing process, the machining precision can be grasped by reading the scale value of the outer surface of the scale support rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011136511.8A CN112387872A (en) | 2020-10-22 | 2020-10-22 | Bending die for automobile production and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011136511.8A CN112387872A (en) | 2020-10-22 | 2020-10-22 | Bending die for automobile production and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112387872A true CN112387872A (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011136511.8A Pending CN112387872A (en) | 2020-10-22 | 2020-10-22 | Bending die for automobile production and use method thereof |
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| US20150153148A1 (en) * | 2012-06-18 | 2015-06-04 | Trumpf Maschinen Austria Gmbh & Co. Kg. | Bending press having an angle-measuring device and method for determining the bending angle |
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| CN111167895A (en) * | 2018-11-13 | 2020-05-19 | 江苏锡沂高新区科技发展有限公司 | Angle-adjustable bending machine |
| CN210231145U (en) * | 2019-06-04 | 2020-04-03 | 扬州丽丰内饰件有限公司 | Dig quick-witted ceiling hot briquetting device |
| CN210950600U (en) * | 2019-07-09 | 2020-07-07 | 湖北崇阳联翔特种变压器有限公司 | Bending machine frame |
| CN111438293A (en) * | 2020-04-14 | 2020-07-24 | 贵州航天林泉电机有限公司 | Adjustable wave washer forming device |
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