CN114433724B - Forming die with adjustable gap for bending door shell end - Google Patents
Forming die with adjustable gap for bending door shell end Download PDFInfo
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- CN114433724B CN114433724B CN202210305877.6A CN202210305877A CN114433724B CN 114433724 B CN114433724 B CN 114433724B CN 202210305877 A CN202210305877 A CN 202210305877A CN 114433724 B CN114433724 B CN 114433724B
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- 238000005452 bending Methods 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 27
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
Abstract
The invention discloses a forming die with a gap adjustable by bending the end part of a door shell, which comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die seat, an upper base plate, an upper inclined block I, a door shell upper fixing assembly and a bending assembly; the lower die assembly comprises a lower die base, a guide post, a first lower inclined block, a door shell lower fixing assembly and a second lower inclined block; the upper die holder is arranged on a guide post on the lower die base; the gap adjusting mechanism controls the back and forth movement of the upper backing plate, so that the gap between the door shell inner fixing assembly and the door shell upper fixing assembly is adjusted. The forming die with the bending gap adjustable at the end part of the door shell has the advantages of compact structure, centralized structure of each part, smaller movement stroke, high stability, smaller volume and portability; can carry out the gap adjustment to the different material thickness of raw materials, extensive applicability need not multiple mould, has reduced the mould cost, and production efficiency is high, convenient to use.
Description
Technical Field
The invention relates to the technical field of processing dies of shells of refrigeration equipment, in particular to a forming die with an adjustable gap for bending the end part of a door shell.
Background
Along with the development of the age, the U-shaped door shell of the refrigeration equipment needs to be processed at the end part of the U-shaped door shell and is bent and formed so as to facilitate later riveting and meet the intelligent processing requirement of the refrigeration equipment.
The existing door shell end bending forming die is complex and heavy in structure, large in movement stroke and low in working efficiency, and the sliding block structure is dispersed, so that the die is unstable, the die cost is increased, the production takt time is increased, and the working efficiency is low. Meanwhile, the existing door shell end bending forming die is not adjustable in gap, only the end of a door shell product with specific thickness can be bent, and the forming die which is suitable for door shell products with different thicknesses (0.4-0.65 mm) is needed, so that the die is more in model number, high in die manufacturing cost and inconvenient to use, equipment investment and manufacturing time are increased, and the working efficiency is low.
Disclosure of Invention
The invention aims at: the forming die with the adjustable gap for bending the end part of the door shell is provided to solve the defects.
In order to achieve the above object, the present invention provides the following technical solutions:
The forming die comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die seat, an upper base plate, an upper inclined block I, a door shell upper fixing assembly and a bending assembly, and the upper inclined block I, the door shell upper fixing assembly and the bending assembly are arranged on the lower end face of the upper base plate; the lower die assembly comprises a lower die base, a guide column arranged on the lower die base, a first lower inclined block, a door shell lower fixing assembly and a second lower inclined block; the guide posts on the lower die base are provided with a plurality of guide posts, and the upper die base is arranged on the guide posts; the upper inclined block I corresponds to the lower inclined block I in position, the lower inclined block I is connected with the door shell lower fixing assembly, and the door shell upper fixing assembly is matched with the door shell lower fixing assembly and acts on the inner side and the outer side of the U-shaped door shell, so that the U-shaped door shell can be fixed; the bending component is matched with the lower inclined block and acts on the end part of the U-shaped door shell, so that the end part of the U-shaped door shell can be bent; the upper backing plate is arranged on the lower end face of the upper die holder through a sliding rail, the upper backing plate can be controlled to move back and forth on the lower end face of the upper die holder through a gap adjusting mechanism, the dislocation distance between the first upper inclined block and the first lower inclined block is adjusted, and the gap size adjustment between the lower door shell fixing assembly connected with the first lower inclined block and the upper door shell fixing assembly is realized.
Preferably, the U-shaped door shell consists of a door shell bottom plate and two door shell side plates respectively arranged at two sides of the door shell bottom plate, the end structure of the U-shaped door shell comprises an upper end plate and two side end plates, the upper end plate is arranged at the rear end of the door shell bottom plate, and the bent upper end plate is perpendicular to the door shell bottom plate; the two side end plates are respectively arranged at the rear ends of the two door shell side plates, and the bent side end plates are perpendicular to the door shell side plates; the two ends of the upper end plate are respectively connected with the upper ends of the two side end plates.
Preferably, the door shell lower fixing assembly comprises a first movable concave die, a second movable concave die and a third lower inclined block, wherein the first movable concave die is arranged on the lower die base through a first concave die sliding rail and can move forwards and backwards, the second movable concave die is provided with two movable concave dies which are arranged on the lower die bases on two sides of the first movable concave die through second concave die sliding rails and can move left and right, the second movable concave dies are in fit sliding connection with the first movable concave die, and the third lower inclined block is provided with two movable concave dies which are respectively arranged on the lower die bases on the outer sides of the second movable concave dies; the outer end faces of the two movable concave dies can be respectively extruded and limited with the inner walls of the two door shell side plates, and the upper end faces of the two movable concave dies can be extruded and limited with the lower end faces of the door shell bottom plate.
Preferably, the first lower inclined block is fixedly connected with the rear end face of the movable female die of the door shell lower fixing assembly through a transverse pull plate, and the first upper inclined block is arranged on the lower end face of the upper base plate at the rear side of the bending assembly; the first inclined block and the first upper inclined block are respectively provided with an inclined surface, and the inclined surface on the first upper inclined block is correspondingly arranged with the inclined surface of the first lower inclined block.
Preferably, the lower die base is provided with a door shell limiting assembly, the door shell limiting assembly comprises two limiting bases and a base connecting plate arranged on the two limiting bases, the two limiting bases are respectively arranged on the rear sides of the two movable female dies, the base connecting plate is provided with at least two L-shaped limiting plates, the L-shaped limiting plates are arranged in sliding grooves arranged on the base connecting plate through screws and can move forwards and backwards, and the transverse pulling plate is arranged between the two limiting bases below the base connecting plate.
Preferably, the door shell upper fixing assembly comprises an upper pressing plate and two side pressing plates which are respectively and hinged to two ends of the upper pressing plate, the upper pressing plate is arranged on the lower end face of an upper base plate above the two movable female dies through a second spring and a spring guide rod, and the lower end of the side pressing plate is opposite to the inclined face of the third lower inclined block; the lower end face of the upper pressing plate can be extruded and limited with the upper end face of the door shell bottom plate, and the inner side faces of the two side pressing plates are extruded and limited with the outer walls of the two door shell side plates respectively.
Preferably, the bending assembly is arranged on the lower end face of the upper base plate at the rear side of the upper fixing assembly of the door shell, the bending assembly comprises an upper die strip, a wrap angle block, an upper inclined block II and an upper baffle block, the upper die strip is arranged on the lower end face of the upper base plate above the base connecting plate, the upper inclined block II is provided with two transverse sliding rails which are respectively arranged on the lower end face of the upper base plate at the outer sides of the two ends of the upper die strip and can move left and right through the transverse sliding rails; the upper baffle block is arranged on the lower end surface of the upper base plate at the outer side of the upper inclined block II, and the outer end surface of the upper inclined block is connected with the inner end surface of the upper baffle block through a spring III; the two corner wrapping blocks are respectively arranged between the two ends of the upper die strip and the two upper inclined blocks II, the outer end faces of the corner wrapping blocks are arranged on vertical guide rails arranged on the inner end faces of the upper inclined blocks II, and the inner end faces of the corner wrapping blocks are inclined surfaces and are arranged on inclined guide rails arranged at the end parts of the upper die strip; the two lower inclined blocks are respectively arranged on the upper end surfaces of the lower die bases right below the two upper inclined blocks, the upper end surfaces of the two lower inclined blocks and the lower end surfaces of the two upper inclined blocks are inclined surfaces, and the inclined surfaces of the two lower inclined blocks are correspondingly arranged; at least two longitudinal grooves are formed in the lower end face of the upper die strip, and the upper end of the L-shaped limiting plate can be inserted into the longitudinal grooves in the lower end face of the upper die strip.
Preferably, the gap adjusting mechanism comprises an adjusting block and a supporting block, the supporting block is respectively fixed with the upper die holder and the upper base plate through screws, the adjusting block is fixed with the upper die holder through screws, an adjusting rod is arranged on the adjusting block, the front end of the adjusting rod penetrates through the adjusting block and is clamped in an adjusting hole formed in the rear end face of the upper base plate, and the upper base plate can be pushed and pulled to move back and forth on a sliding rail of the lower end face of the upper die holder through rotation of the adjusting rod.
Preferably, four guide posts on the lower die base are arranged on two sides of the upper end face of the lower die base respectively, four upper die base limiting holes are formed in the upper die base, the guide posts are arranged in the upper die base limiting holes in a one-to-one correspondence mode, and springs I are arranged on the guide posts between the upper die base and the lower die base.
Preferably, one or more of the first lower inclined block, the transverse pull plate and the first movable concave die are fixed on the lower die base through linear springs, and the linear springs can restore and limit the movement of the first lower inclined block, the transverse pull plate and the first movable concave die in the front-rear direction.
The invention has the beneficial effects that:
According to the forming die with the bent gap adjustable end part of the door shell, the upper door shell fixing component arranged on the upper die component is matched with the lower door shell fixing component arranged on the lower die component and acts on the inner side and the outer side of the U-shaped door shell, so that the U-shaped door shell is fixed; the bending assembly arranged on the upper die assembly is matched with the two lower inclined blocks arranged on the lower die assembly and acts on the end part of the U-shaped door shell, so that the end part of the U-shaped door shell is bent; the upper base plate is arranged on the lower end face of the upper die seat arranged on the upper die assembly through the sliding rail, and the upper base plate can be controlled to move back and forth on the lower end face of the upper die seat through the gap adjusting mechanism, so that the dislocation distance between the upper inclined block I and the lower inclined block I is adjusted, and the gap size adjustment between the door shell lower fixing assembly connected with the lower inclined block I and the door shell upper fixing assembly is realized. The forming die with the bending gap adjustable at the end part of the door shell has the advantages of compact structure, centralized structure of each part, smaller movement stroke, high stability, smaller volume and portability; can carry out the gap adjustment to the different material thickness of raw materials, extensive applicability need not multiple mould, has reduced the mould cost, and production efficiency is high, convenient to use.
Drawings
Fig. 1: the structure schematic diagram of the forming die is shown in the specification;
fig. 2: the forming die and the U-shaped door shell are bent;
fig. 3: the U-shaped door shell is structurally schematic;
Fig. 4: an enlarged view of the structure at a in fig. 3.
Fig. 5: a schematic structural view (rear side plan view) of the lower die assembly of the present invention;
Fig. 6: a schematic structural view (front side plan view) of the lower die assembly of the present invention;
Fig. 7: the lower die assembly is matched with the U-shaped door shell in a schematic structure (rear side overlook);
fig. 8: the upper die assembly of the invention is structurally schematic (rear side bottom view direction);
Fig. 9: the upper die assembly of the invention is structurally schematic (front side bottom view direction);
fig. 10: the upper die assembly of the invention is schematically structured (in the back view direction).
Detailed Description
The following description of embodiments of the present invention is provided with reference to fig. 1 to 10:
As shown in fig. 2, a forming die with a gap adjustable for bending the end of a door shell is applied to bending and forming the end structure of a U-shaped door shell 100. As shown in fig. 3 and 4, the U-shaped door shell 100 is composed of a door shell bottom plate 101 and two door shell side plates 102 respectively arranged at two sides of the door shell bottom plate 101, the end structure of the U-shaped door shell 100 comprises an upper end plate 103 and two side end plates 104, the upper end plate 103 is arranged at the rear end of the door shell bottom plate 101, and the bent upper end plate 103 is perpendicular to the door shell bottom plate 101; the two side end plates 104 are respectively arranged at the rear ends of the two door shell side plates 102, and the bent side end plates 104 are perpendicular to the door shell side plates 102; the upper end plate 103 has both ends connected to the upper ends of the two side end plates 104, respectively.
As shown in fig. 1-10, the forming die with the adjustable gap for bending the end of the door shell comprises an upper die assembly 200 and a lower die assembly 300, wherein the upper die assembly 200 comprises an upper die seat 21, an upper base plate 22, an upper inclined block one 23 arranged on the lower end surface of the upper base plate 22, a door shell upper fixing assembly 24 and a bending assembly 25; the lower mold assembly 300 includes a lower mold base 31, a guide post 311 provided on the lower mold base 31, a first lower swash block 33, a door shell lower fixing assembly 34, and a second lower swash block 35. The guide posts 311 on the lower die base 31 are provided in plurality, and the upper die holder 21 is mounted on the guide posts 311, thereby fixing the upper die assembly 200 with the lower die assembly 300. The preferred mode is: four guide posts 311 on the lower die base 31 are arranged on two sides of the upper end face of the lower die base 31, four upper die base limiting holes 214 are formed in the upper die base 21, the guide posts 311 are arranged in the upper die base limiting holes 214 in a one-to-one correspondence mode, and a first spring 312 is arranged on the guide posts 311 between the upper die base 21 and the lower die base 31 to perform damping.
The upper inclined block I23 corresponds to the lower inclined block I33 in position, the lower inclined block I33 is connected with the door shell lower fixing assembly 34, and the door shell upper fixing assembly 24 is matched with the door shell lower fixing assembly 34 and acts on the inner side and the outer side of the U-shaped door shell 100, so that the U-shaped door shell 100 can be fixed; the bending component 25 is matched with the second lower inclined block 35 and acts on the end part of the U-shaped door shell 100, so that the end part of the U-shaped door shell 100 can be bent; the upper base plate 22 is arranged on the lower end surface of the upper die holder 21 through a sliding rail, the upper base plate 22 can be controlled to move back and forth on the lower end surface of the upper die holder 21 through a gap adjusting mechanism, the dislocation distance between the upper inclined block I23 and the lower inclined block I33 is adjusted, and the gap between the door shell lower fixing assembly 34 connected with the lower inclined block I33 and the door shell upper fixing assembly 24 is adjusted.
The door shell lower fixing assembly 34 comprises a first movable die 341, a second movable die 342 and a third lower inclined block 343, wherein the first movable die 341 is arranged on the lower die base 31 through a first die sliding rail 344 and can move forwards and backwards, the second movable die 342 is provided with two movable dies 342 which are arranged on the lower die base 31 at two sides of the first movable die 341 through second die sliding rails 345 and can move left and right, the two movable dies 342 are in fit sliding connection with the first movable die 341, and the third lower inclined block 343 is provided with two lower inclined blocks and is respectively arranged on the lower die base 31 at the outer sides of the two movable dies 342; the outer end surfaces of the two movable concave dies 342 can be respectively extruded and limited with the inner walls of the two door shell side plates 102, and the upper end surfaces of the two movable concave dies 342 can be extruded and limited with the lower end surface of the door shell bottom plate 101.
The lower inclined block I33 is fixedly connected with the rear end face of the movable die I341 of the door shell lower fixing assembly 34 through a transverse pulling plate, and the upper inclined block I23 is arranged on the lower end face of the upper backing plate 22 at the rear side of the bending assembly 25; the first lower inclined block 33 and the first upper inclined block 23 are respectively provided with an inclined surface, the inclined surface on the first upper inclined block 23 is correspondingly arranged with the inclined surface of the first lower inclined block 33, the first lower inclined block 33 is extruded by the first upper inclined block 23, and the movable die one 341 of the door shell lower fixing assembly 34 can be driven to move towards the rear side in the front-rear direction by the transverse pulling plate. One or more of the first lower inclined block 33, the transverse pulling plate and the first movable die 341 are fixed on the lower die base 31 through linear springs, and the linear springs can restore and limit the movement of the first lower inclined block 33, the transverse pulling plate and the first movable die 341 in the front-rear direction. After the upper die assembly 200 is integrally lifted, the upper inclined block one 23 is separated from the lower inclined block one 33, and the lower inclined block one 33, the transverse pulling plate and the movable die one 341 return to the original positions under the action of the linear springs.
Be provided with the spacing subassembly 32 of shell on the lower mould base 31, the spacing subassembly 32 of shell includes two spacing bases 321, and installs the base connecting plate 322 on two spacing bases 321, two spacing bases 321 set up the rear side at two movable die second 342 respectively, be provided with two at least L type limiting plate 323 on the base connecting plate 322, L type limiting plate 323 passes through the screw to be installed in the spout that sets up on the base connecting plate 322 and can reciprocate, the horizontal arm-tie is arranged in between two spacing bases 321 of base connecting plate 322 below. The width of the upper end plate 103 of the end bent portion of the U-shaped door shell 100 can be controlled and adjusted by the L-shaped limiting plate 323.
The door shell upper fixing assembly 24 comprises an upper pressing plate 241 and two side pressing plates 242 which are respectively hinged at two ends of the upper pressing plate 241, the upper pressing plate 241 is arranged on the lower end face of the upper base plate 22 above the two movable concave dies 342 through a second spring and a second spring guide rod, and the lower end of the side pressing plate 242 is opposite to the inclined face of the lower inclined block III 343; the lower end surface of the upper pressing plate 241 can be extruded and limited with the upper end surface of the door shell bottom plate 101, and the inner side surfaces of the two side pressing plates 242 are extruded and limited with the outer walls of the two door shell side plates 102 respectively.
The bending assembly 25 is arranged on the lower end face of the upper base plate 22 at the rear side of the door shell upper fixing assembly 24, the bending assembly 25 comprises an upper die strip 251, a wrap angle block 252, an upper inclined block two 253 and an upper baffle 254, the upper die strip 251 is arranged on the lower end face of the upper base plate 22 above the base connecting plate 322, the upper inclined block two 253 is respectively arranged on transverse sliding rails arranged on the lower end face of the upper base plate 22 at the outer side of two ends of the upper die strip 251, and can move left and right through the transverse sliding rails; the upper baffle block 254 is arranged on the lower end surface of the upper backing plate 22 outside the second upper inclined block 253, and the outer end surface of the second upper inclined block 253 is connected with the inner end surface of the upper baffle block 254 through a third spring; the two corner wrapping blocks 252 are respectively arranged between the two ends of the upper die strip 251 and the two upper inclined blocks 253, the outer end faces of the corner wrapping blocks 252 are arranged on vertical guide rails arranged on the inner end faces of the upper inclined blocks 253, and the inner end faces of the corner wrapping blocks 252 are inclined surfaces and are arranged on inclined guide rails arranged at the end parts of the upper die strip 251; the two lower inclined blocks 35 are respectively arranged on the upper end surfaces of the lower die base 31 right below the two upper inclined blocks 253, the upper end surfaces of the two lower inclined blocks 35 and the lower end surfaces of the two upper inclined blocks 253 are both inclined surfaces, and the inclined surfaces of the two upper inclined blocks are correspondingly arranged; at least two longitudinal grooves are formed in the lower end face of the upper die strip 251, and the upper end of the L-shaped limiting plate 323 can be inserted into the longitudinal grooves in the lower end face of the upper die strip 251.
The gap adjusting mechanism comprises an adjusting block 211 and a supporting block 212, the supporting block 212 is respectively fixed with the upper die holder 21 and the upper base plate 22 through screws, the adjusting block 211 is fixed with the upper die holder 21 through screws, an adjusting rod 213 is arranged on the adjusting block 211, the front end of the adjusting rod 213 penetrates through the adjusting block 211 and is clamped in an adjusting hole formed in the rear end face of the upper base plate 22, and the upper base plate 22 can be pushed and pulled to move back and forth on a sliding rail of the lower end face of the upper die holder 21 through rotation of the adjusting rod 213.
The invention relates to a forming die with a bent end part of a door shell and adjustable gaps, which comprises a forming method and an action mechanism, and specifically comprises the following steps:
s1: the upper die assembly 200 is fixed below the upper table surface of the punch press, the lower die assembly 300 is fixed on the lower table surface of the punch press, and the upper die assembly 200 can move up and down under the drive of a slide block of the punch press;
S2, controlling to lift the upper die assembly 200 and separate the upper die assembly from the lower die assembly 300, and then enabling the U-shaped door shell 100 to face downwards with an opening, wherein the end part of the rear end to be bent extends into the space between the upper die assembly 200 and the lower die assembly 300;
S3, moving back and forth in a chute arranged on a base connecting plate 322 through an L-shaped limiting plate 323, keeping the front end of the end part of the U-shaped door shell 100 extruded on the L-shaped limiting plate 323, adjusting the L-shaped limiting plate 323 to a proper position and fixing the L-shaped limiting plate 323 through screws, wherein the vertical distance between the L-shaped limiting plate 323 and the front end surface of a lower inclined block III 343 is the width of an upper end plate 103 of a part to be bent of the end part of the U-shaped door shell 100;
S4, the upper die assembly 200 moves downwards under the drive of a punch slide block, the inclined surface of the lower end surface of the upper inclined block I23 arranged on the lower end surface of the upper base plate 22 acts on the inclined surface of the upper end surface of the lower inclined block I33, the movable die I341 of the door shell lower fixing assembly 34 can be driven to move backwards and forwards through the transverse pull plate, the two movable dies II 342 respectively move left and right under the action of the fit sliding connection of the movable die I341, at the moment, the up-down motion of the upper die assembly 200 is converted into the forward-backward motion of the movable die I341, and then converted into the two movable dies II 342 to move leftwards and rightwards respectively until the contact of the inclined block I23 and the inclined surfaces of the lower inclined block I33 is finished;
S5, when aiming at U-shaped door shells 100 with different thicknesses, firstly, loosening fixing screws between an upper die holder 21 and an upper base plate 22, then loosening screws between a supporting block 212 and the upper base plate 22, finally, pushing and pulling the upper base plate 22 to move back and forth on a sliding rail of the lower end face of the upper die holder 21 through rotation of an adjusting rod 213, and adjusting the quantity of contact faces of two inclined faces between an upper inclined block I23 and a lower inclined block I33 until the outer end faces of two movable die II 342 are respectively extruded and limited with the inner walls of two door shell side plates 102, and the upper end faces of the movable die II 342 are extruded and limited with the lower end face of a door shell bottom plate 101; then the fixing screws between the upper die seat 21 and the upper base plate 22 are screwed, the screws between the supporting block 212 and the upper base plate 22 are screwed, and the gap adjustment of the U-shaped door shell 100 with different thicknesses is finished;
S6, the upper die assembly 200 continues to move downwards under the drive of a punch slide block, the first upper inclined block and the first lower inclined block are staggered, the lower end face of the upper pressing plate 241 is extruded and limited with the upper end face of the door shell bottom plate 101, and the pressing fixation of the upper end face of the door shell bottom plate 101 is realized; meanwhile, the lower ends of the side pressing plates 242 are in opposite contact with the inclined surfaces of the lower inclined blocks 343, the up-and-down motion of the side pressing plates 242 is converted into rotary motion, and the inner side surfaces of the two side pressing plates 242 are respectively extruded and limited with the outer walls of the two door shell side plates 102 to realize pressing;
s7, the upper die assembly 200 continues to move downwards under the drive of a punch slider, and the upper die strip 251 is contacted with the upper end plate 103 of the end structure of the rear end of the U-shaped door shell 100 and is extruded and bent for forming; simultaneously, two upper inclined blocks 253 positioned on two sides of the upper die strip 251 respectively perform inclined surface extrusion with two lower inclined blocks 35 and move inwards in the left-right direction, the two corner wrapping blocks 252 are subjected to the action of the upper inclined blocks 253 and the upper die strip 251 and move obliquely inwards and downwards, and finally contact with the side end plate 104 of the end structure of the rear end of the U-shaped door shell 100 and the corners of the upper end plate 103 and the side end plate 104 to be extruded and bent for forming, and at the moment, the end bending of the U-shaped door shell 100 is completed;
S8, the upper die assembly 200 moves upwards under the drive of the punch sliding block, all the components in the upper die assembly 200 and the lower die assembly 300 return to original positions respectively, the U-shaped door shell 100 with the end bent is taken out, and the end bending repeated operation of the next U-shaped door shell 100 can be started.
The forming die with the adjustable gap for bending the end part of the door shell is matched with the door shell lower fixing assembly 34 arranged on the lower die assembly 300 through the door shell upper fixing assembly 24 arranged on the upper die assembly 200 and acts on the inner side and the outer side of the U-shaped door shell 100, so that the U-shaped door shell 100 is fixed; the bending assembly 25 arranged on the upper die assembly 200 is matched with the second lower inclined block 35 arranged on the lower die assembly 300 and acts on the end part of the U-shaped door shell 100, so that the end part of the U-shaped door shell 100 is bent; the upper base plate 22 is arranged on the lower end surface of the upper die seat 21 arranged on the upper die assembly 200 through a sliding rail, and the upper base plate 22 can be controlled to move back and forth on the lower end surface of the upper die seat 21 through a gap adjusting mechanism, so that the dislocation distance between the upper inclined block one 23 and the lower inclined block one 33 is adjusted, and the gap size adjustment between the door shell lower fixing assembly 34 connected with the lower inclined block one 33 and the door shell upper fixing assembly 24 is realized.
The forming die with the bending gap adjustable at the end part of the door shell has the advantages of compact structure, centralized structure of each part, smaller movement stroke, high stability, smaller volume and portability; can carry out the gap adjustment to the different material thickness of raw materials, extensive applicability need not multiple mould, has reduced the mould cost, and production efficiency is high, convenient to use.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the above embodiments, but is also within the scope of the invention if the inventive concept and technical scheme is not substantially modified or applied directly to other occasions without modification.
Claims (3)
1. The forming die with the adjustable gap for bending the end part of the door shell is applied to bending forming of an end structure of a U-shaped door shell (100), and comprises an upper die assembly (200) and a lower die assembly (300), and is characterized in that the upper die assembly (200) comprises an upper die holder (21), an upper base plate (22), an upper inclined block I (23) arranged on the lower end surface of the upper base plate (22), a door shell upper fixing assembly (24) and a bending assembly (25); the lower die assembly (300) comprises a lower die base (31), a guide column (311), a first lower inclined block (33), a lower door shell fixing assembly (34) and a second lower inclined block (35), wherein the guide column is arranged on the lower die base (31); the guide posts (311) on the lower die base (31) are provided with a plurality of guide posts, and the upper die base (21) is arranged on the guide posts (311); the upper inclined block I (23) corresponds to the lower inclined block I (33) in position, the lower inclined block I (33) is connected with the door shell lower fixing component (34), and the door shell upper fixing component (24) is matched with the door shell lower fixing component (34) and acts on the inner side and the outer side of the U-shaped door shell (100), so that the U-shaped door shell (100) can be fixed; the bending component (25) is matched with the second declining block (35) and acts on the end part of the U-shaped door shell (100), so that the end part of the U-shaped door shell (100) can be bent; the upper base plate (22) is arranged on the lower end surface of the upper die holder (21) through a sliding rail, the upper base plate (22) is controlled to move back and forth on the lower end surface of the upper die holder (21) through a gap adjusting mechanism, the dislocation distance between the upper inclined block I (23) and the lower inclined block I (33) is adjusted, and the gap between a door shell lower fixing assembly (34) connected with the lower inclined block I (33) and a door shell upper fixing assembly (24) is adjusted;
The U-shaped door shell (100) consists of a door shell bottom plate (101) and two door shell side plates (102) which are respectively arranged at two sides of the door shell bottom plate (101), wherein the end structure of the U-shaped door shell (100) comprises an upper end plate (103) and two side end plates (104), the upper end plate (103) is arranged at the rear end of the door shell bottom plate (101), and the bent upper end plate (103) is perpendicular to the door shell bottom plate (101); the two side end plates (104) are respectively arranged at the rear ends of the two door shell side plates (102), and the bent side end plates (104) are perpendicular to the door shell side plates (102); the two ends of the upper end plate (103) are respectively connected with the upper ends of the two side end plates (104);
The door shell lower fixing assembly (34) comprises a first movable die (341), a second movable die (342) and a third lower inclined block (343), wherein the first movable die (341) is arranged on a lower die base (31) through a first die sliding rail (344) and can move forwards and backwards, two second movable dies (342) are arranged on the lower die bases (31) on two sides of the first movable die (341) through second die sliding rails (345), the two second movable dies (342) are in fit sliding connection with the first movable die (341), and the third lower inclined block (343) is provided with two lower die bases (31) which are respectively arranged on the outer sides of the two second movable dies (342); the outer end surfaces of the two movable concave dies (342) are respectively extruded and limited with the inner walls of the two door shell side plates (102), and the upper end surfaces of the two movable concave dies (342) are extruded and limited with the lower end surfaces of the door shell bottom plate (101);
The first lower inclined block (33) is fixedly connected with the rear end face of the movable die I (341) of the door shell lower fixing assembly (34) through a transverse pull plate, and the first upper inclined block (23) is arranged on the lower end face of the upper base plate (22) at the rear side of the bending assembly (25); inclined surfaces are arranged on the lower inclined block I (33) and the upper inclined block I (23), and the inclined surface on the upper inclined block I (23) is arranged corresponding to the inclined surface of the lower inclined block I (33);
The lower die base (31) is provided with a door shell limiting assembly (32), the door shell limiting assembly (32) comprises two limiting bases (321) and base connecting plates (322) arranged on the two limiting bases (321), the two limiting bases (321) are respectively arranged at the rear sides of the two movable die II (342), the base connecting plates (322) are provided with at least two L-shaped limiting plates (323), the L-shaped limiting plates (323) are arranged in sliding grooves arranged on the base connecting plates (322) through screws and can move forwards and backwards, and the transverse pulling plates are arranged between the two limiting bases (321) below the base connecting plates (322);
The door shell upper fixing assembly (24) comprises an upper material pressing plate (241) and two side material pressing plates (242) which are respectively hinged to two ends of the upper material pressing plate (241), the upper material pressing plate (241) is arranged on the lower end face of an upper base plate (22) above two movable die II (342) through a spring II and a spring guide rod, and the lower end of the side material pressing plate (242) is opposite to the inclined face of a lower inclined block III (343); the lower end face of the upper pressing plate (241) is extruded and limited with the upper end face of the door shell bottom plate (101), and the inner side faces of the two side pressing plates (242) are extruded and limited with the outer walls of the two door shell side plates (102) respectively;
The bending assembly (25) is arranged on the lower end face of the upper base plate (22) at the rear side of the door shell upper fixing assembly (24), the bending assembly (25) comprises an upper die strip (251), a wrap angle block (252), an upper inclined block II (253) and an upper baffle block (254), the upper die strip (251) is arranged on the lower end face of the upper base plate (22) above the base connecting plate (322), the upper inclined block II (253) is provided with two transverse sliding rails which are respectively arranged on the lower end face of the upper base plate (22) at the outer sides of the two ends of the upper die strip (251) and can move left and right through the transverse sliding rails; the upper baffle block (254) is arranged on the lower end face of the upper backing plate (22) at the outer side of the upper inclined block II (253), and the outer end face of the upper inclined block II (253) is connected with the inner end face of the upper baffle block (254) through a third spring; the two corner wrapping blocks (252) are respectively arranged between two ends of the upper die strip (251) and two upper inclined blocks (253), the outer end faces of the corner wrapping blocks (252) are arranged on vertical guide rails arranged on the inner end faces of the upper inclined blocks (253), and the inner end faces of the corner wrapping blocks (252) are inclined surfaces and are arranged on inclined guide rails arranged at the end parts of the upper die strip (251); the two lower inclined blocks (35) are respectively arranged on the upper end surfaces of the lower die bases (31) right below the two upper inclined blocks (253), the upper end surfaces of the two lower inclined blocks (35) and the lower end surfaces of the two upper inclined blocks (253) are inclined surfaces, and the inclined surfaces of the two lower inclined blocks are correspondingly arranged; at least two longitudinal grooves are formed in the lower end face of the upper die strip (251), and the upper end of the L-shaped limiting plate (323) can be inserted into the longitudinal grooves in the lower end face of the upper die strip (251);
The gap adjusting mechanism comprises an adjusting block (211) and a supporting block (212), the supporting block (212) is fixed with an upper die holder (21) and an upper base plate (22) through screws respectively, the adjusting block (211) is fixed with the upper die holder (21) through screws, an adjusting rod (213) is arranged on the adjusting block (211), the front end of the adjusting rod (213) penetrates through the adjusting block (211) and is clamped in an adjusting hole formed in the rear end face of the upper base plate (22), and the upper base plate (22) can be pushed and pulled to move back and forth on a sliding rail of the lower end face of the upper die holder (21) through rotation of the adjusting rod (213).
2. The forming die with the bent and adjustable gap for the end part of the door shell according to claim 1, wherein four guide posts (311) are arranged on the lower die base (31) and are respectively arranged on two sides of the upper end surface of the lower die base (31), four upper die base limiting holes (214) are formed in the upper die base (21), the guide posts (311) are arranged in the upper die base limiting holes (214) in a one-to-one correspondence mode, and springs I (312) are respectively arranged on the guide posts (311) between the upper die base (21) and the lower die base (31).
3. The forming die for bending the door shell end with the adjustable gap according to claim 1, wherein one or more of the first lower inclined block (33), the transverse pulling plate and the first movable die (341) are fixed on the lower die base (31) through linear springs, and the linear springs restore and limit the movement of the first lower inclined block (33), the transverse pulling plate and the first movable die (341) in the front-rear direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210305877.6A CN114433724B (en) | 2022-03-25 | 2022-03-25 | Forming die with adjustable gap for bending door shell end |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210305877.6A CN114433724B (en) | 2022-03-25 | 2022-03-25 | Forming die with adjustable gap for bending door shell end |
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| CN114433724A CN114433724A (en) | 2022-05-06 |
| CN114433724B true CN114433724B (en) | 2024-04-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115229061B (en) * | 2022-07-12 | 2023-03-17 | 东莞太阳茂森精密金属有限公司 | Riveting die and riveting process for stainless steel product |
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| CN114433724A (en) | 2022-05-06 |
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