CN113118255B - Bending forming die - Google Patents
Bending forming die Download PDFInfo
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- CN113118255B CN113118255B CN202110266300.4A CN202110266300A CN113118255B CN 113118255 B CN113118255 B CN 113118255B CN 202110266300 A CN202110266300 A CN 202110266300A CN 113118255 B CN113118255 B CN 113118255B
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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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The invention provides a bending forming die which comprises an upper die and a lower die which are matched with each other, wherein the upper die comprises an upper die base and a force transmission assembly arranged on the upper die base, the lower die comprises a lower die base, a supporting plate, a lower base plate, a lower die plate, an elastic supporting assembly, a cushion block, an upper forming block, a pressing plate, a movable forming block and a first limiting block, the upper forming block is pressed by the force transmission assembly to press a material sheet to move downwards, and the material sheet is compensated for rebound generated by bending of the material sheet under the reaction force of the movable forming blocks at two sides in the process that the pressing plate is pressed by the material sheet to move towards the lower die plate, so that one-time bending forming of the material sheet is completed. Through the mode, the product with high bending degree can be formed by one-time stamping, the die is simple in structure and convenient to operate, bending molding is efficient, the yield is high, and the cost and time are saved.
Description
Technical Field
The invention relates to the technical field of stamping dies, in particular to a bending forming die.
Background
For some products with high bending (for example, 148.0MM or more), the common die equipment cannot punch and shape the material sheet at one time, so that the production process of the bent products is time-consuming and the yield is low. In view of the foregoing, it is desirable to provide a bending mold for solving the existing drawbacks.
Disclosure of Invention
Based on the above, the invention provides the bending forming die which can be used for obtaining a product with high bending degree through one-step stamping forming, and the bending efficiency and the product quality are improved.
The invention adopts a technical scheme that: a bending forming die comprising: an upper die and a lower die which are matched with each other,
the upper die comprises an upper die holder and a force transmission component arranged on the upper die holder,
the lower die comprises a lower die holder, a supporting plate, a lower backing plate, a lower die plate, an elastic supporting component, a cushion block, an upper forming block, a pressing plate, a movable forming block and a first limiting block,
the lower die holder is fixedly connected with the lower base plate through a supporting plate, a containing space is formed between the supporting plates, an elastic supporting component is contained in the containing space, the lower die plate is overlapped on one side of the lower base plate, which is far away from the lower die holder, a cushion block, a movable forming block and a first limiting block are overlapped on the lower die plate, the pressing plate and the cushion block are both connected with the elastic supporting component, the elastic supporting component suspends the pressing plate on the lower die plate, the movable forming block is arranged on two sides of the pressing plate, the first limiting block is arranged on the outer side of the movable forming block, which is far away from the pressing plate, one end of the upper forming block is fixedly connected with the cushion block, and the other end of the upper forming block is suspended on the pressing plate;
when the die is opened, the material sheet is stacked on the movable forming block and the pressing plate, and the upper forming block is suspended above the material sheet and is opposite to the pressing plate; when the die is closed, the force transmission assembly presses down the upper forming block to press the material sheet to move towards the lower die plate, the material sheet presses down the pressing plate, and the reaction of the movable forming blocks on two sides bends and forms the pressing plate.
According to one embodiment of the invention, the lower die further comprises a forming precursor block, a first avoidance portion extending from the edge to the side away from the pressing plate is arranged on one side, close to the pressing plate, of the movable forming block, the forming precursor block is arranged on the first avoidance portion, part of the forming precursor block extends out of the first avoidance portion, and the length, extending out of the first avoidance portion, of the forming precursor block is adjustable.
According to one embodiment of the invention, the lower die further comprises a forming roller, the forming roller is a cylinder, a second avoidance portion extending along the edge is arranged on one side, close to the pressing plate, of the movable forming block, and the forming roller is accommodated in the second avoidance portion and can roll on the movable forming block.
According to one embodiment of the invention, a reset component is further arranged between the first limiting block and the movable forming block, the reset component comprises a fixed block, a connecting rod and an elastic piece, and the fixed block is fixedly connected with the first limiting block and is elastically connected with the movable forming block through the connecting rod and the elastic piece.
According to one embodiment of the invention, the elastic supporting component comprises a spring arranged in the accommodating space, a first top plate connected with the spring, a second top plate abutted against one side of the pressing plate close to the lower die plate, and a connecting column connected with the first top plate and the second top plate, wherein the connecting column sequentially penetrates through the lower base plate and the lower die plate.
According to one embodiment of the invention, the lower die plate is further provided with a second limiting block, and a plurality of second limiting blocks are arranged in two rows and are respectively arranged at two sides of the connecting column and are opposite to the second top plate in a hanging manner.
According to one embodiment of the invention, the upper die holder is further provided with an upper limit post, the lower base plate is provided with a positioning seat, and the upper limit post is correspondingly matched with the positioning seat.
According to one embodiment of the invention, the lower die plate is further provided with a lower limit post, and the lower limit post is arranged on the outer side of the first limit block, which is far away from the movable forming block.
According to one embodiment of the invention, the upper die holder is further provided with a pressing column, and the pressing column is opposite to the cushion block.
According to one embodiment of the invention, the force transmission assembly comprises a plurality of force transmission blocks which are arranged at intervals, and the plurality of force transmission blocks are opposite to the upper molding block.
The invention has the beneficial effects that: the utility model provides a bending forming die, including upper die and lower mould that mutually support, the upper die includes the upper die base and locates pass power subassembly on the upper die base, the lower mould includes die holder, backup pad, lower bolster, elastic support subassembly, cushion, go up shaping piece, clamp plate, movable shaping piece, first stopper, the lower die base with pass through backup pad fixed connection between the lower bolster, form into the accommodation space between the backup pad, elastic support subassembly holds in the accommodation space, the lower bolster fold and locate the lower bolster is kept away from die holder one side, cushion, movable shaping piece and first stopper fold and locate on the lower bolster, clamp plate and cushion all with elastic support subassembly is connected, elastic support subassembly will the clamp plate suspend in on the lower bolster, movable shaping piece divide to locate the clamp plate both sides, first stopper is located the movable shaping piece is kept away from the outside of clamp plate, go up shaping piece one end with cushion fixed connection, the other end suspend in on the clamp plate. Through the mode, the product with high bending degree can be formed by one-time stamping, the die is simple in structure and convenient to operate, bending molding is efficient, the yield is high, and the cost and time are saved.
Drawings
Fig. 1 is a schematic structural diagram of a bending mold according to an embodiment of the present invention when the mold is opened;
FIG. 2 is a schematic view of the bending mold shown in FIG. 1 when the mold is closed;
FIG. 3 is a cross-sectional view of the bending mold shown in FIG. 1 taken along the direction A-A;
FIG. 4 is a partially exploded view of the bending mold shown in FIG. 1;
FIG. 5 is a schematic view of the bending mold shown in FIG. 4, with parts removed from the lower mold;
FIG. 6 is a schematic view of the combination structure of the first stopper, the reset component and the movable molding block in FIG. 5;
fig. 7 is an exploded view of the combination structure of fig. 6.
The meaning of the reference numerals in the drawings are:
100-bending and forming die; 10-upper die; 101-an upper die holder; 102-a force transfer assembly; 1021-force transfer block; 103-upper limit posts; 104-pressing a column; 20-lower die; 201-a lower die holder; 202-a support plate; 203-a lower backing plate; 204-lower template; 205-an elastic support assembly; 2051-a spring; 2052-a first top plate; 2053-a second top plate; 2054-connecting columns; 206-cushion blocks; 207-upper molding block; 208-pressing plate; 209-a movable molding block; 2091-a first avoidance section; 2092-a second avoidance section; 210-a first limiting block; 211-forming a precursor block; 212-forming rollers; 213-reset component; 2131-a fixed block; 2132-a connecting rod; 2133-an elastic element; 214-a second limiting block; 215-positioning seats; 216-lower limit posts; 200-tablet.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Fig. 1 and 2 are schematic diagrams showing the results of opening and closing the bending mold according to the embodiment of the present invention, fig. 3 is a cross-sectional view of the bending mold according to the embodiment of the present invention along A-A, fig. 4 is a schematic diagram showing a partially exploded structure of the bending mold according to the embodiment of the present invention, and referring to fig. 1 to 4, the bending mold 100 includes: upper die 10 and lower die 20 are mated. The upper die 10 includes an upper die holder 101 and a force transmission assembly 102 disposed on the upper die holder 101. The lower die 20 comprises a lower die holder 201, a support plate 202, a lower backing plate 203, a lower die plate 204, an elastic support assembly 205, a cushion block 206, an upper forming block 207, a pressing plate 208, a movable forming block 209 and a first limiting block 210. The lower die holder 201, the lower base 203 and the lower die plate 204 are sequentially arranged from bottom to top, a plurality of support plates 202 are connected between the lower die holder 201 and the lower base 203, a containing space is formed by surrounding the plurality of support plates 202, and an elastic support assembly 205 is contained in the containing space; the lower template 204 is overlapped on the lower base plate 203, and the cushion block 206, the movable forming block 209 and the first limiting block 210 are overlapped on the lower template 204; the pressing plate 208 and the cushion block 206 are connected with the elastic supporting component 205, the elastic supporting component 205 is used for suspending the pressing plate 208 on the lower template 204, the height of the cushion block 208 on the lower template 204 is higher than that of the pressing plate 208, the pressing plate 208 is in a long strip shape, the upper forming block 207 is also in a long strip shape, one end of the upper forming block 207 is fixedly arranged on the cushion block 206, the other end of the upper forming block 207 is suspended above the pressing plate 208, and during die opening, the orthographic projection of the upper forming block 207 covers the pressing plate 208; the movable shaping piece 209 is equipped with two, and the symmetry is located the clamp plate 208 both sides, and movable shaping piece 209 is the cuboid, and first stopper 210 corresponds with movable shaping piece 209 and also is equipped with two, locates the outside that movable shaping piece 209 kept away from clamp plate 208 respectively, goes up shaping piece 207 and lower bolster 204 fixed connection for the motion of restriction movable shaping piece 209.
Specifically, when the mold is opened, the material sheet 200 is stacked on the movable molding block 209 and the pressing plate 208, and the upper molding block 207 is suspended above the material sheet 200 and is opposite to the pressing plate 208; when the die is closed, the force transmission assembly 102 presses the upper forming block 207 to move towards the lower die plate 204, the upper forming block 207 presses the material sheet 200 to press the pressing plate 208, the movable forming blocks 209 on the two sides are pressed to move towards the direction away from the pressing plate 208 to abut against the first limiting block 210, the force transmission assembly 102 continuously moves with the upper forming block 207, the material sheet 200 and the pressing plate 208 to abut against the lower die plate 204, and the material sheet 200 is bent into a whole from the contact position with the movable forming block 209 towards the pressing plate 208. Finally, the folded web 200 is drawn out in the direction in which the upper molding block 207 extends.
According to the bending forming die 100 disclosed by the embodiment of the invention, the upper forming block 207 is pressed by the force transmission component 102 to move downwards, the rebound generated by bending of the material sheet 200 is compensated under the reaction force of the movable forming blocks 209 at the two sides in the process that the material sheet 200 presses the pressing plate 208 to move towards the lower template 204, one-time bending forming of the material sheet 200 is completed, the bending height of the left side and the right side of the material sheet 200 can be larger than or equal to 148.0MM, and the length of the force transmission component can be adaptively adjusted according to the bending height of an actual product. The bending forming die 100 is simple in structure and convenient to operate, can be used for preparing a formed product with high bending, is efficient in bending forming and high in yield, and saves cost and time.
In an alternative embodiment, the embodiment of the present invention may further adjust the bending angle of the web 200 by providing the molding precursor block 211 on the movable molding block 209. Specifically, referring to fig. 6-7, a first avoidance portion 2091 is disposed on a side of the movable forming block 209, which is close to the pressing plate 208, where the first avoidance portion 2091 extends from the edge to a direction away from the pressing plate 208, the forming precursor block 211 is disposed on the first avoidance portion 2091 and partially extends out of the first avoidance portion 2091, and an angle of bending the material sheet 200 is adjusted by adjusting a length of the forming precursor block 211 extending out of the first avoidance portion 2091, for example, if the forming precursor block 211 is just completely accommodated in the first avoidance portion 2091, and the movable forming block 209 is kept flush with a side edge, which is close to the pressing block, when the die is closed, the bending angle of the material sheet 200 is exactly 90 degrees, and the length of the specific forming precursor block 211 extending out of the first avoidance portion 2091 is determined according to an actual bending angle of the product, where the extending length is longer, and the bending angle is larger. Optionally, the protruding part of the forming precursor block 211 has a certain radian, so that scratch on the material sheet during mold closing can be avoided. Optionally, two forming precursor blocks 211 are provided on each movable forming block 209, and are symmetrically provided at two ends of the movable forming block 209, and the lengths of the extending parts are kept consistent.
In an alternative embodiment, in order to ensure smooth bending of the web 200 during mold closing, forming rollers 212 may be provided on the movable forming block 209. Specifically, referring to fig. 6-7, the forming roller 212 is a cylinder, a second avoidance portion 2092 extending along an edge is disposed on a side of the movable forming block 209, which is close to the pressing plate 208, the forming roller 212 may be connected to the forming precursor blocks 211 at two ends, and may roll in the second avoidance portion 2092, when the mold is closed, the web 200 is pressed down, the movable forming block 209 at two sides is extruded, and the contact portion between the web 200 and the forming roller 212 is bent downward, so that the bending portion is prevented from being damaged due to excessive friction in the pressing process of the web 200, and the smooth bending process is ensured.
In an alternative embodiment, referring to fig. 3, 6 and 7, a reset assembly 213 is further disposed between the first limiting block 210 and the movable forming block 209, wherein the reset assembly 213 includes a fixed block 2131, a connecting rod 2132 and an elastic member 2133, and the fixed block 2131 is fixedly connected with the first limiting block 210 and is elastically connected with the movable forming block 209 through the connecting rod 2131 and the elastic member 2133. Specifically, the fixed block 2131 and the movable forming block 209 are provided with opposite cavities, when the mold is opened, the fixed block 2131 and the movable forming block 209 are oppositely arranged at intervals, the elastic piece 2133 is partially accommodated in the cavity in the fixed block 2131, the other part is accommodated in the cavity in the movable forming block 209, the connecting rod sequentially traverses the fixed block 2131, the elastic piece 2133 and the movable forming block 209, one end of the connecting rod is fixed on the fixed block 2131, and the other end of the connecting rod is accommodated in the through hole of the movable forming block 209. When the mold is closed, the force transmission assembly 102 presses the upper molding block 207 down, presses the material sheet 200 and presses the movable molding blocks 209 on two sides to move towards the fixed block 2131 until abutting against the fixed block 2131, and the elastic piece 2133 inside is compressed; when the die is opened again, the force transmission assembly 102 and the upper forming block 207 return to the original positions, the extrusion of the movable forming blocks 209 on the two sides is released, and the compressed elastic piece 2133 rebounds to drive the movable forming blocks 209 to move to the original positions. Optionally, the elastic element 2133 is a spring.
In an alternative embodiment, referring to fig. 3 and 5, the flexible support assembly 205 includes a spring 2051 disposed in the receiving space, a first top plate 2052, a second top plate 2053, and a connecting post 2054. A plurality of springs 2051 are arranged side by side, one end of each spring is connected with the lower die holder 201, and the other end of each spring is connected with the first top plate 2052; the connecting columns 2054 are also provided with a plurality of connecting columns 2054 along the arrangement direction of the springs, the connecting columns 2054 sequentially penetrate through the lower base plate 203 and the lower template 204 through holes, one end of each connecting column 2054 is connected with a first top plate 2052, the other end of each connecting column is connected with a second top plate 2053, the second top plates 2053 are fixedly provided with pressing plates 208, and the pressing plates 208 are suspended on the lower template 204 through the second top plates 2053. When the die is closed, the force transmission assembly 102 presses the upper pressing forming block 207 to press the material sheet 200 to move downwards, so as to press the pressing plate 208, the second top plate 2053, the connecting column 2054 and the first top plate 2052, and then compress the spring 2051; when the mold is opened, the force transmission assembly 102 returns to the original position, the pressure of the upper molding block 207 to the pressing block 208 and the elastic assembly 205 is released, and the spring 2051 rebounds to drive the first top plate 2052, the connecting column 2054, the second top plate 2053 and the pressing plate 208 to return to the original position.
In an alternative embodiment, a second stop 214 may be provided on the lower die plate 204 for limiting the distance the resilient support assembly 205 is depressed. Referring to fig. 3, 6 and 7, a plurality of the second limiting blocks 214 are arranged in two rows and are respectively disposed at two sides of the connecting column 2054 and are disposed under the suspended second top plate 2053. When the die is closed, the pressing plate 208 drives the second top plate 2053 to press down to abut against the second limiting block 214, and the stamping is completed.
In an alternative embodiment, referring to fig. 1-4, the upper die holder 101 is further provided with an upper limit post 103, the lower pad 203 is provided with a positioning seat 215, and the upper limit post 103 is correspondingly matched with the positioning seat 215. Specifically, the upper die holder 101 is provided with four cylindrical upper limit posts 103, the four upper limit posts 103 are uniformly arranged at intervals, the positioning seats 215 are correspondingly provided with 4 upper limit posts 103, the shape of the upper limit posts is cylindrical, and when the die is closed, the upper limit posts 103 are accommodated in the positioning seats 215.
In an alternative embodiment, referring to fig. 1-4, the lower die plate 204 is further provided with a lower limit post 216, and the lower limit post 216 is enclosed on the outer side of the first limit block 210 away from the movable forming block 209. Specifically, the plurality of lower limiting blocks 216 are uniformly distributed on the periphery of the first limiting block 210 on two sides, and are used for defining the placement position of the web 200.
In an alternative embodiment, referring to fig. 1-4, the upper die holder 201 is further provided with a pressing post 104, and in this embodiment, 3 pressing posts 104 surrounding the force transmission assembly 102 are provided, and all the pressing posts 104 are opposite to the cushion block 206. When the mold is closed, the 3 presses 104 abut the pad 206.
In an alternative embodiment, referring to fig. 1-4, the force transmission assembly 102 includes a plurality of force transmission blocks 1021 arranged at intervals, and the plurality of force transmission blocks 1021 are opposite to the upper molding block 207. Specifically, in the embodiment of the present invention, three force transfer blocks 1021 with different shapes are provided, the middle force transfer block 1021 corresponds to the web 200, the force transfer blocks 1021 at two ends are respectively provided at two ends of the upper molding block 207, the force transfer blocks 1021 at two ends correspond to two outer sides of the web 200, the thickness of the middle force transfer block 1021 is determined according to the distance between two bends of the product, the thickness of the force transfer blocks 1021 at two ends can be slightly wider, and the stable pressing of the upper molding block 207 can be ensured without affecting the bending molding of the web 200.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples only represent preferred embodiments of the present invention, which are described in more 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 protection of the present invention is to be determined by the appended claims.
Claims (9)
1. A bending forming die, comprising: an upper die and a lower die which are matched with each other,
the upper die comprises an upper die holder and a force transmission component arranged on the upper die holder,
the lower die comprises a lower die holder, a supporting plate, a lower backing plate, a lower die plate, an elastic supporting component, a cushion block, an upper forming block, a pressing plate, a movable forming block and a first limiting block,
the lower die holder is fixedly connected with the lower base plate through a supporting plate, a containing space is formed between the supporting plates, an elastic supporting component is contained in the containing space, the lower die plate is overlapped on one side of the lower base plate, which is far away from the lower die holder, a cushion block, a movable forming block and a first limiting block are overlapped on the lower die plate, the pressing plate and the cushion block are both connected with the elastic supporting component, the elastic supporting component suspends the pressing plate on the lower die plate, the movable forming block is arranged on two sides of the pressing plate, the first limiting block is arranged on the outer side of the movable forming block, which is far away from the pressing plate, one end of the upper forming block is fixedly connected with the cushion block, and the other end of the upper forming block is suspended on the pressing plate;
when the die is opened, the material sheet is stacked on the movable forming block and the pressing plate, and the upper forming block is suspended above the material sheet and is opposite to the pressing plate; when the die is closed, the force transmission assembly presses down the upper forming block to press the material sheet to move towards the lower die plate, the material sheet presses down the pressing plate, and the movable forming blocks on two sides act on the pressing plate to bend and form;
the lower die further comprises a forming precursor block, a first avoidance part extending from the edge to the side away from the pressing plate is arranged on one side, close to the pressing plate, of the movable forming block, the forming precursor block is arranged on the first avoidance part, part of the forming precursor block extends out of the first avoidance part, and the length, extending out of the first avoidance part, of the forming precursor block is adjustable;
the shaped precursor block extension has an arc.
2. The bending mold of claim 1, wherein the lower mold further comprises a molding roller, the molding roller is a cylinder, a second avoidance portion extending along an edge is arranged on one side of the movable molding block, which is close to the pressing plate, and the molding roller is accommodated in the second avoidance portion and can roll on the movable molding block.
3. The bending forming die of claim 1, wherein a reset assembly is further arranged between the first limiting block and the movable forming block, the reset assembly comprises a fixed block, a connecting rod and an elastic piece, and the fixed block is fixedly connected with the first limiting block and is elastically connected with the movable forming block through the connecting rod and the elastic piece.
4. The bending mold of claim 1, wherein the elastic support assembly comprises a spring disposed in the accommodating space, a first top plate connected with the spring, a second top plate abutting against one side of the pressing plate close to the lower die plate, and a connecting column connected with the first top plate and the second top plate, and the connecting column penetrates through the lower base plate and the lower die plate in sequence.
5. The bending mold of claim 4, wherein the lower die plate is further provided with second limiting blocks, and a plurality of the second limiting blocks are arranged in two rows and are respectively arranged at two sides of the connecting column and are opposite to the suspended second top plate.
6. The bending mold of claim 1, wherein the upper die holder is further provided with an upper limit post, the lower base plate is provided with a positioning seat, and the upper limit post is correspondingly matched with the positioning seat.
7. The bending mold of claim 1, wherein the lower die plate is further provided with a lower limit post, and the lower limit post is arranged around the outer side of the first limit block away from the movable molding block.
8. The bending mold of claim 1, wherein the upper die base is further provided with a press post, the press post being opposite to the pad.
9. The bending die set forth in claim 1, wherein said force transfer assembly includes a plurality of spaced apart force transfer blocks, a plurality of said force transfer blocks being in facing relation to said upper die block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110266300.4A CN113118255B (en) | 2021-03-11 | 2021-03-11 | Bending forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110266300.4A CN113118255B (en) | 2021-03-11 | 2021-03-11 | Bending forming die |
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| CN113118255A CN113118255A (en) | 2021-07-16 |
| CN113118255B true CN113118255B (en) | 2023-04-28 |
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| CN202110266300.4A Active CN113118255B (en) | 2021-03-11 | 2021-03-11 | Bending forming die |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260340B (en) * | 2021-11-12 | 2024-01-26 | 歌尔科技有限公司 | Bending device |
| CN114618948B (en) * | 2022-03-25 | 2023-10-20 | 富泰华工业（深圳）有限公司 | Forming device and bending forming method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489609A (en) * | 2011-12-09 | 2012-06-13 | 苏州市天烨机械工程有限公司 | Anti-resilience bending die |
| CN102513452A (en) * | 2011-12-31 | 2012-06-27 | 昆山圣泰机电制造有限公司 | Double stroke lateral-push sliding mechanism bending die |
| CN103394560B (en) * | 2013-08-16 | 2016-12-28 | 联德精密材料（中国）股份有限公司 | A kind of progressive die with upwards bending forming mechanism |
| CN205147050U (en) * | 2015-10-27 | 2016-04-13 | 亿和精密工业（苏州）有限公司 | Both sides forming die structure of bending |
| CN205436802U (en) * | 2015-12-25 | 2016-08-10 | 宁海永业汽车零部件有限公司 | Safety belt guide forming die |
| CN205629134U (en) * | 2016-05-20 | 2016-10-12 | 深圳天珑无线科技有限公司 | Mould |
| CN206199983U (en) * | 2016-08-19 | 2017-05-31 | 昆山华致精密模具有限公司 | A kind of forming and punching mould |
| CN206936165U (en) * | 2017-06-26 | 2018-01-30 | 苏州宝成汽车冲压有限公司 | A kind of adjustment structure of bender |
| CN207900010U (en) * | 2018-02-08 | 2018-09-25 | 厦门市克成五金制品有限公司 | A kind of circular arc bend forming die |
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