CN114433724A - Forming die for bending end part of door shell and adjusting gap - Google Patents
Forming die for bending end part of door shell and adjusting gap Download PDFInfo
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- CN114433724A CN114433724A CN202210305877.6A CN202210305877A CN114433724A CN 114433724 A CN114433724 A CN 114433724A CN 202210305877 A CN202210305877 A CN 202210305877A CN 114433724 A CN114433724 A CN 114433724A
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- 238000005452 bending Methods 0.000 title claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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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 capable of adjusting a gap during bending of a door shell end part, which comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die holder, 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 base is arranged on a guide post on the lower die base; the gap adjusting mechanism controls the upper backing plate to move back and forth, so that the gap between the door shell internal fixing component and the door shell upper fixing component can be adjusted. The forming die for bending the end part of the door shell and adjusting the gap has the advantages of compact structure, centralized structure of each part, small movement stroke, high stability, small volume and light weight; can carry out clearance adjustment to the different material thickness of raw materials, the suitability is wide, 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 refrigeration equipment shell processing dies, in particular to a forming die for a door shell end bending adjustable gap.
Background
Along with the development of the times, 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 that riveting at the later stage is facilitated, and the intelligent processing requirement of the refrigeration equipment is met.
The existing door shell end part bending forming die is complex and heavy in structure, large in movement stroke and dispersed in sliding block structures, 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 gap of the existing door shell end part bending forming die cannot be adjusted, the existing door shell end part bending forming die can only bend the end part of a door shell product with specific thickness, and for door shell products with different thicknesses (0.4-0.65mm), a forming die matched with the door shell product is needed, so that the number of die models is large, the manufacturing cost of the die is high, the use is inconvenient, the equipment investment and the manufacturing time are increased, and the working efficiency is low.
Disclosure of Invention
The invention aims to: the utility model provides a forming die of adjustable clearance of door casing tip bending to solve above defect.
In order to achieve the above purpose, the invention provides the following technical scheme:
a forming die with adjustable gap for bending the end part of a door shell is applied to bending and forming of an end part structure of a U-shaped door shell and comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die base, an upper base plate, an upper inclined block I arranged on the lower end surface of the upper base plate, a door shell upper fixing assembly and a bending assembly; 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 first upper inclined block corresponds to the first lower inclined block in position, the first lower inclined block is connected with the lower fixing component of the door shell, and the upper fixing component of the door shell is matched with the inner fixing component of the door shell 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 assembly is matched with the second 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 padding plate is mounted on the lower end face of the upper die base through a sliding rail, the upper padding plate can be controlled by the gap adjusting mechanism to move back and forth on the lower end face of the upper die base, the dislocation distance between the first upper inclined block and the first lower inclined block is adjusted, and the adjustment of the gap between the door shell internal fixing assembly connected with the first lower inclined block and the door shell upper fixing assembly is achieved.
Preferably, the U-shaped door shell consists of a door shell bottom plate and two door shell side plates which are respectively arranged on 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; and 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 female die, a second movable female die and a third lower inclined block, the first movable female die is mounted on the lower die base through a first female die slide rail and can move back and forth, the number of the second movable female dies is two, the two second movable female dies are mounted on the lower die base on two sides of the first movable female die through a second female die slide rail and can move left and right, the two second movable female dies are in fit sliding connection with the first movable female dies, and the three lower inclined blocks are two and are respectively mounted on the lower die base on the outer sides of the two second movable female dies; the outer end faces of the two movable female 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 movable female dies can be extruded and limited with the lower end faces of the door shell bottom plates.
Preferably, the first lower inclined block is fixedly connected with the rear end face of a first movable female die of the door shell lower fixing assembly through a transverse pulling plate, and the first upper inclined block is arranged on the lower end face of an upper base plate on the rear side of the bending assembly; inclined planes are arranged on the lower inclined block I and the upper inclined block I, and the inclined planes on the upper inclined block I and the inclined planes of the lower inclined block I are arranged correspondingly.
Preferably, be provided with the spacing subassembly of door shell on the lower mould base, the spacing subassembly of door shell includes two spacing bases and installs two base connecting plate on the spacing base, two spacing base sets up respectively two the rear side of activity die two, be provided with two at least L type limiting plates on the base connecting plate, but L type limiting plate passes through the screw installation and just the back-and-forth movement in the spout that sets up on the base connecting plate, the horizontal arm-tie is arranged in between two spacing bases of base connecting plate below.
Preferably, the door shell upper fixing assembly comprises an upper pressure plate and two side pressure plates which are respectively hinged to two ends of the pressure plate, the upper pressure plate is mounted on the lower end face of the upper backing plate above the two movable female dies through a spring II and a spring guide rod, and the lower ends of the side pressure plates are arranged opposite to the inclined plane of the lower inclined block III; the lower end face of the upper material 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 material pressing plates are respectively extruded and limited with the outer walls of the two door shell side plates.
Preferably, the bending assembly is mounted on the lower end face of the upper base plate at the rear side of the fixing assembly on the door shell and comprises an upper die strip, a corner wrapping block, two upper inclined blocks and an upper stop block, the upper die strip is mounted on the lower end face of the upper base plate above the base connecting plate, and the two upper inclined blocks are respectively mounted on transverse slide rails arranged on the lower end faces 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 slide rails; the upper stop block is arranged on the lower end face of the upper backing plate on the outer side of the upper inclined block II, and the outer end face of the upper inclined block is connected with the inner end face of the upper stop block through a spring III; the two angle wrapping blocks are respectively arranged between two ends of the upper die bar and the two second upper inclined blocks, the outer end faces of the angle wrapping blocks are arranged on vertical guide rails arranged on the inner end faces of the second upper inclined blocks, and the inner end faces of the angle wrapping blocks are inclined faces and are arranged on inclined guide rails arranged at the end parts of the upper die bar; the two lower inclined blocks are respectively arranged on the upper end surface of the lower die base 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 respectively provided with inclined surfaces, and the inclined surfaces of the two lower inclined blocks and the inclined surfaces of the two upper inclined blocks are correspondingly arranged; the lower end face of the upper mould strip is provided with at least two longitudinal grooves, and the upper end of the L-shaped limiting plate can be inserted into the longitudinal grooves of the lower end face of the upper mould strip.
Preferably, the clearance adjusting mechanism comprises an adjusting block and a supporting block, the supporting block is fixed with the upper die base and the upper base plate through screws respectively, the adjusting block is fixed with the upper die base 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 on the lower end face of the upper die base through rotation of the adjusting rod.
Preferably, the guide posts on the lower die base are four and are respectively arranged on two sides of the upper end face of the lower die base, the upper die base is provided with four upper die base limiting holes, the guide posts are installed 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 pulling plate and the first movable female 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 pulling plate and the first movable female die in the front-back direction.
The invention has the beneficial effects that:
according to the forming die with the bent door shell end part and the adjustable gap, the fixing component on the door shell arranged on the upper die component and the fixing component in the door shell arranged on the lower die component are matched with each other and act 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 component arranged on the upper die component and the lower inclined block two arranged on the lower die component are mutually matched and act 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 base arranged on the upper die assembly through the sliding rail, and the upper base plate can be controlled by the gap adjusting mechanism to move back and forth on the lower end face of the upper die base, so that the dislocation distance between the first upper inclined block and the first lower inclined block is adjusted, and the adjustment of the gap between the fixed assembly in the door shell connected with the first lower inclined block and the fixed assembly on the door shell is realized. The forming die for bending the end part of the door shell and adjusting the gap has the advantages of compact structure, centralized structure of each part, small movement stroke, high stability, small volume and light weight; can carry out clearance adjustment to the different material thickness of raw materials, the suitability is wide, 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 of the invention;
FIG. 2: the forming die and the U-shaped door shell are bent;
FIG. 3: the invention discloses a structural schematic diagram of a U-shaped door shell;
FIG. 4: the structure at A is enlarged in FIG. 3.
FIG. 5: a schematic structural view (rear side plan view direction) of a lower mold assembly of the present invention;
FIG. 6: a schematic structural view (front side plan view direction) of a lower mold assembly of the present invention;
FIG. 7: the invention relates to a structural schematic diagram (rear side overlook) of a lower die assembly matched with a U-shaped door shell;
FIG. 8: the upper die assembly of the invention has a structural schematic view (back side looking up direction);
FIG. 9: the upper die assembly of the invention has a structural schematic view (front side looking up direction);
FIG. 10: the upper die assembly of the present invention is schematically structured (in a rear view direction).
Detailed Description
The following description of the embodiments of the present invention is made with reference to the accompanying drawings 1-10:
as shown in fig. 2, a forming mold for bending an end portion of a door shell with an adjustable gap is applied to bending and forming an 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 disposed at two sides of the door shell bottom plate 101, an end structure of the U-shaped door shell 100 includes an upper end plate 103 and two side end plates 104, the upper end plate 103 is disposed at a 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; both ends of the upper end plate 103 are connected to the upper ends of the two side end plates 104, respectively.
As shown in fig. 1 to 10, the forming die for bending the end of the door shell with the adjustable gap of the invention comprises an upper die assembly 200 and a lower die assembly 300, wherein the upper die assembly 200 comprises an upper die holder 21, an upper backing plate 22, an upper inclined block 23 arranged on the lower end surface of the upper backing 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, and a guide post 311, a first lower inclined block 33, a door shell lower fixing assembly 34, and a second lower inclined block 35 provided on the lower mold base 31. A plurality of guide posts 311 are provided on the lower mold base 31, and the upper mold base 21 is mounted on the guide posts 311 to fix the upper mold assembly 200 and the lower mold assembly 300 together. The preferred mode is as follows: four guide posts 311 on the lower die base 31 are arranged and respectively arranged on two sides of the upper end surface of the lower die base 31, four upper die base limiting holes 214 are arranged on the upper die base 21, the guide posts 311 are correspondingly arranged in the upper die base limiting holes 214 one by one, and springs 312 are arranged on the guide posts 311 between the upper die base 21 and the lower die base 31 for cushioning.
The first upper inclined block 23 corresponds to the first lower inclined block 33 in position, the first lower inclined block 33 is connected with the lower door shell fixing component 34, the upper door shell fixing component 24 is matched with the inner door shell fixing component 34 and acts on the inner side and the outer side of the U-shaped door shell 100, and 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 backing plate 22 is mounted on the lower end face of the upper die holder 21 through a sliding rail, the upper backing plate 22 can be controlled by the gap adjusting mechanism to move back and forth on the lower end face of the upper die holder 21, the dislocation distance between the upper inclined block I23 and the lower inclined block I33 is adjusted, and the adjustment of the gap between the door shell internal fixing assembly 34 connected with the lower inclined block I33 and the door shell upper fixing assembly 24 is achieved.
The door shell lower fixing assembly 34 comprises a first movable female die 341, two movable female dies 342 and a third lower inclined block 343, wherein the first movable female die 341 is mounted on the lower die base 31 through a first female die sliding rail 344 and can move back and forth, the two movable female dies 342 are arranged, the two movable female dies 342 are mounted on the lower die base 31 on two sides of the first movable female die 341 through a second female die sliding rail 345 and can move left and right, the two movable female dies 342 are in fit sliding connection with the first movable female dies 341, and the two lower inclined blocks 343 are arranged and are respectively mounted on the lower die bases 31 on the outer sides of the two movable female dies 342; the outer end surfaces of the two movable female 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 movable female 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 a movable female 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 an upper backing plate 22 on the rear side of the bending assembly 25; inclined planes are arranged on the first lower inclined block 33 and the first upper inclined block 23, the inclined planes on the first upper inclined block 23 and the inclined planes of the first lower inclined block 33 are arranged correspondingly, the first lower inclined block 33 is extruded by the first upper inclined block 23, and then the first movable female die 341 of the door shell lower fixing component 34 can be driven to move towards the front and back direction and towards the back side through the transverse pulling plate. One or more of the first lower inclined block 33, the transverse pulling plate and the first movable female 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 female die 341 in the front-back direction. After the upper mold assembly 200 is integrally lifted, the first upper inclined block 23 is separated from the first lower inclined block 33, and the first lower inclined block 33, the transverse pulling plate and the first movable female mold 341 are restored to the original positions under the action of the linear springs.
The lower die base 31 is provided with a door shell limiting component 32, the door shell limiting component 32 comprises two limiting bases 321 and a base connecting plate 322 arranged on the two limiting bases 321, the two limiting bases 321 are respectively arranged at the rear sides of the two movable female dies 342, the base connecting plate 322 is provided with at least two L-shaped limiting plates 323, the L-shaped limiting plates 323 are arranged in sliding grooves formed in the base connecting plate 322 through screws and can move back and forth, and the transverse pulling plate is arranged between the two limiting bases 321 below the base connecting plate 322. The width of the upper end plate 103 of the end bent portion of the U-shaped door shell 100 is controllably adjusted by the L-shaped restriction plate 323.
The door shell upper fixing component 24 comprises an upper pressure plate 241 and two side pressure plates 242 which are respectively hinged to two ends of the pressure plate 241, the upper pressure plate 241 is arranged on the lower end face of the upper backing plate 22 above the two movable female dies 342 through a second spring and a spring guide rod, and the lower ends of the side pressure plates 242 are arranged opposite to the inclined plane of the lower inclined block 343; the lower end face of the upper material pressing plate 241 can extrude and limit the upper end face of the door shell bottom plate 101, and the inner side faces of the two side material pressing plates 242 respectively extrude and limit the outer walls of the two door shell side plates 102.
The bending assembly 25 is installed on the lower end face of the upper base plate 22 on the rear side of the door shell fixing assembly 24, the bending assembly 25 comprises an upper die strip 251, a corner wrapping block 252, two upper inclined blocks 253 and an upper stop block 254, the upper die strip 251 is installed on the lower end face of the upper base plate 22 above the base connecting plate 322, the two upper inclined blocks 253 are arranged on transverse slide rails which are respectively installed on the lower end faces of the upper base plate 22 on the outer sides of the two ends of the upper die strip 251, and can move left and right through the transverse slide rails; the upper stop block 25 is arranged on the lower end face of the upper backing plate 22 at the outer side of the second upper inclined block 253, and the outer end face of the second upper inclined block 253 is connected with the inner end face of the upper stop block 25 through a third spring; two angle wrapping blocks 252 are respectively arranged between two ends of the upper mold bar 251 and the two upper sloping blocks 253, the outer end surfaces of the angle wrapping blocks 252 are arranged on vertical guide rails arranged on the inner end surfaces of the upper sloping blocks 253, and the inner end surfaces of the angle wrapping blocks 252 are inclined surfaces and are arranged on inclined guide rails arranged at the end parts of the upper mold bar 251; two lower inclined blocks 35 are arranged and 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 respectively provided with inclined surfaces, and the inclined surfaces of the two lower inclined blocks are arranged correspondingly; at least two longitudinal grooves are formed in the lower end face of the upper die bar 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 bar 251.
The gap adjusting mechanism comprises an adjusting block 211 and a supporting block 212, the supporting block 212 is fixed with the upper die holder 21 and the upper backing 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 backing plate 22, and the upper backing plate 22 can be pushed and pulled to move back and forth on a sliding rail on the lower end face of the upper die holder 21 through rotation of the adjusting rod 213.
The invention relates to a forming die for bending an end part of a door shell with an adjustable gap, a forming method and an action mechanism thereof, which specifically comprise the following steps:
s1: the upper die assembly 200 is fixed below the upper table of the punch press, the lower die assembly 300 is fixed on the lower table of the punch press, and the upper die assembly 200 can move up and down under the driving of a slide block of the punch press;
s2, controlling the upper die assembly 200 to be lifted and separated from the lower die assembly 300, and then enabling the U-shaped door shell 100 to be downward in an opening, wherein the end part of the rear end, which needs to be bent, extends between the upper die assembly 200 and the lower die assembly 300;
s3, moving back and forth in a sliding groove formed in the base connecting plate 322 through the 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 face of the lower sloping block III 343 is the width of the upper end plate 103 of the part, needing to be bent, of the end part of the U-shaped door shell 100;
s4, the upper die assembly 200 moves downwards under the driving of a punch slide block, an inclined plane on the lower end face of an upper inclined block I23 arranged on the lower end face of an upper backing plate 22 acts on an inclined plane on the upper end face of a lower inclined block I33, the lower inclined block I33 is extruded by the upper inclined block I23, a horizontal pulling plate can drive a movable female die I341 of a door shell lower fixing assembly 34 to move forwards and backwards, upwards and backwards, two movable female dies II 342 move leftwards and rightwards respectively under the fit sliding connection effect of the movable female die I341, at the moment, the up-and-down movement of the upper die assembly 200 is converted into the front-and-backwards movement of the movable female die I341, and then the two movable female dies 342 move leftwards and rightwards respectively until the two inclined planes of the upper inclined block I23 and the lower inclined block I33 are in contact;
s5, when aiming at the U-shaped door shells 100 with different thicknesses, firstly loosening the fixing screws between the upper die holder 21 and the upper backing plate 22, then loosening the screws between the supporting block 212 and the upper backing plate 22, finally pushing and pulling the upper backing plate 22 to move back and forth on the slide rail on the lower end surface of the upper die holder 21 through the rotation of the adjusting rod 213, adjusting the number of contact surfaces of the two inclined surfaces between the upper inclined block I23 and the lower inclined block I33 until the outer end surfaces of the two movable female dies II 342 are respectively extruded and limited with the inner walls of the two door shell side plates 102, and extruding and limiting the upper end surfaces of the movable female dies 342 and the lower end surface of the door shell bottom plate 101; then, the fixing screws between the upper die holder 21 and the upper backing plate 22 are screwed, the screws between the support blocks 212 and the upper backing plate 22 are screwed, and at this time, the gap adjustment for the U-shaped door shells 100 with different thicknesses is finished;
s6, the upper die assembly 200 continues to move downwards under the driving of the punch press sliding block, the upper inclined block I and the lower inclined block I are staggered, the lower end face of the upper material pressing plate 241 and the upper end face of the door shell bottom plate 101 are extruded and limited, and material pressing and fixing of the upper end face of the door shell bottom plate 101 are achieved; meanwhile, the lower ends of the side material plates 242 are in opposite contact with the inclined surfaces of the third lower inclined blocks 343, the up-and-down motion of the side material plates 242 is converted into a rotary motion, and the inner side surfaces of the two side material plates 242 are respectively extruded and limited with the outer walls of the two door shell side plates 102 to realize material pressing;
s7, the upper die assembly 200 continues to move downwards under the driving of the punch press sliding block, and the upper die strip 251 is in contact with the upper end plate 103 of the end structure at the rear end of the U-shaped door shell 100 and is extruded, bent and formed; meanwhile, the two upper inclined blocks 253 on the two sides of the upper mold bar 251 respectively perform inclined plane extrusion with the two lower inclined blocks 35 and move inwards in the left-right direction, the two corner wrapping blocks 252 are inclined inwards and downwards under the action of the two upper inclined blocks 253 and the upper mold bar 251, and finally contact with the side end plate 104 of the end structure at 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 and are extruded and bent for forming, and at this time, the bending of the end part of the U-shaped door shell 100 is completed completely;
and S8, the upper die assembly 200 moves upwards under the driving of the punch press slide block, each component in the upper die assembly 200 and the lower die assembly 300 returns to the original position respectively, the U-shaped door shell 100 with the bent end part is taken out, and the end part bending repeated operation of the next U-shaped door shell 100 can be started.
According to the forming die for bending the end part of the door shell with the adjustable gap, the fixing component 24 on the door shell, which is arranged on the upper die component 200, is matched with the fixing component 34 in the door shell, which is arranged on the lower die component 300, 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 component 25 arranged on the upper die component 200 and the second lower inclined block 35 arranged on the lower die component 300 are matched with each other and act 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 backing plate 22 is arranged on the lower end face of the upper die base 21 arranged on the upper die assembly 200 through a sliding rail, and the upper backing plate 22 can be controlled by the gap adjusting mechanism to move back and forth on the lower end face of the upper die base 21, so that the dislocation distance between the upper inclined block I23 and the lower inclined block I33 is adjusted, and the gap size between the door shell internal fixing assembly 34 connected with the lower inclined block I33 and the door shell upper fixing assembly 24 is adjusted.
The forming die for bending the end part of the door shell and adjusting the gap has the advantages of compact structure, centralized structure of each part, small movement stroke, high stability, small volume and light weight; the gap adjustment can be carried out according to the thicknesses of different materials of the raw materials, the applicability is wide, various dies are not needed, the die cost is reduced, the production efficiency is high, and the use is convenient.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without such modifications.
Claims (10)
1. A forming die with adjustable gap for bending the end part of a door shell is applied to bending and forming of an end part 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 backing plate (22), an upper inclined block I (23) arranged on the lower end face of the upper backing 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), and a guide column (311), a first lower inclined block (33), a door shell lower fixing assembly (34) and a second lower inclined block (35) which are arranged on the lower die base (31); a plurality of guide columns (311) are arranged on the lower die base (31), and the upper die base (21) is arranged on the guide columns (311); the first upper inclined block (23) corresponds to the first lower inclined block (33) in position, the first lower inclined block (33) is connected with a door shell lower fixing component (34), and the door shell upper fixing component (24) is matched with the door shell inner 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 assembly (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 backing plate (22) is mounted on the lower end face of the upper die base (21) through a sliding rail, the upper backing plate (22) can be controlled by the gap adjusting mechanism to move back and forth on the lower end face of the upper die base (21), the dislocation distance between the upper inclined block I (23) and the lower inclined block I (33) is adjusted, and the adjustment of the gap between the door shell internal fixing component (34) connected with the lower inclined block I (33) and the door shell upper fixing component (24) is achieved.
2. The forming die for the adjustable gap of the door shell end bending part according to claim 1, wherein 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); and two ends of the upper end plate (103) are respectively connected with the upper ends of the two side end plates (104).
3. The forming mold for bending adjustable gap of door shell end part according to claim 2, the door shell lower fixing component (34) comprises a first movable concave die (341), a second movable concave die (342) and a third lower inclined block (343), the movable female die I (341) is arranged on the lower die base (31) through a female die sliding rail I (344) and can move back and forth, two movable female dies (342) are arranged, the two movable female dies (342) are both arranged on the lower die bases (31) at the two sides of the movable female die (341) through female die two sliding rails (345) and can move left and right, the two movable female dies (342) are both in fit sliding connection with the movable female die (341), two lower inclined blocks (343) are arranged, and are respectively arranged on the lower die bases (31) at the outer sides of the two movable female dies (342); the outer end faces of the two movable female dies (342) can be respectively extruded and limited with the inner walls of the two door shell side plates (102), and the upper end faces of the movable female dies (342) can be extruded and limited with the lower end face of the door shell bottom plate (101).
4. The forming die for the adjustable gap in door shell end bending according to claim 3, characterized in that the first lower swash block (33) is fixedly connected with the rear end face of the first movable concave die (341) of the door shell lower fixing assembly (34) through a transverse pulling plate, and the first upper swash block (23) is installed on the lower end face of the upper backing plate (22) at the rear side of the bending assembly (25); inclined planes are arranged on the first lower inclined block (33) and the first upper inclined block (23), and the inclined planes on the first upper inclined block (23) are arranged corresponding to the inclined planes of the first lower inclined block (33).
5. The forming die for the gap adjustable during door shell end bending according to claim 4, wherein a door shell limiting assembly (32) is arranged on the lower die base (31), the door shell limiting assembly (32) comprises two limiting bases (321) and base connecting plates (322) mounted on the two limiting bases (321), the two limiting bases (321) are respectively arranged at the rear sides of the two movable female dies (342), at least two L-shaped limiting plates (323) are arranged on the base connecting plates (322), the L-shaped limiting plates (323) are mounted in sliding grooves formed in the base connecting plates (322) through screws and can move back and forth, and the horizontal pulling plate is arranged between the two limiting bases (321) below the base connecting plates (322).
6. The forming die for the adjustable gap of the door shell end bending according to claim 3, characterized in that the door shell upper fixing assembly (24) comprises an upper pressure plate (241) and two side pressure plates (242) which are respectively and hingedly mounted at two ends of the pressure plate (241), the upper pressure plate (241) is mounted on the lower end surface of the upper backing plate (22) above the two movable female dies (342) through a second spring and a spring guide rod, and the lower ends of the side pressure plates (242) are arranged opposite to the inclined surface of the lower inclined block (343); the lower end face of the upper material pressing plate (241) can extrude and limit the upper end face of the door shell bottom plate (101), and the inner side faces of the two side material pressing plates (242) respectively extrude and limit the outer walls of the two door shell side plates (102).
7. The forming die for the adjustable gap of the door shell end bending according to claim 5, wherein the bending assembly (25) is installed on the lower end face of the upper backing 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 corner wrapping block (252), two upper inclined blocks (253) and an upper stop block (254), the upper die strip (251) is installed on the lower end face of the upper backing plate (22) above the base connecting plate (322), the two upper inclined blocks (253) are provided with two upper inclined blocks, are respectively installed on transverse slide rails arranged on the lower end face of the upper backing 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 slide rails; the upper stop block (25) is arranged on the lower end face of the upper backing plate (22) on the outer side of the second upper inclined block (253), and the outer end face of the second upper inclined block (253) is connected with the inner end face of the upper stop block (25) through a third spring; the two angle wrapping blocks (252) are respectively arranged between two ends of the upper die bar (251) and the two upper inclined blocks (253), the outer end faces of the angle wrapping blocks (252) are installed on vertical guide rails installed on the inner end faces of the upper inclined blocks (253), and the inner end faces of the angle wrapping blocks (252) are inclined faces and are installed on inclined guide rails arranged at the end parts of the upper die bar (251); the two lower inclined blocks (35) are respectively arranged on the upper end surface of the lower die base (31) right below the two upper inclined blocks (253), the upper end surface of the lower inclined block (35) and the lower end surface of the upper inclined block (253) are both provided with inclined surfaces, and the inclined surfaces of the lower inclined block and the upper inclined block are arranged correspondingly; at least two longitudinal grooves are formed in the lower end face of the upper die bar (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 bar (251).
8. The forming die for adjusting the gap during bending of the door shell end part as claimed in claim 7, wherein 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 backing 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 arranged on the rear end face of the upper backing plate (22), and the upper backing plate (22) can be pushed and pulled to move back and forth on a sliding rail on the lower end face of the upper die holder (21) through rotation of the adjusting rod (213).
9. The forming die for the adjustable gap of the door shell end bending 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 arranged on the upper die base (21), the guide posts (311) are correspondingly arranged in the upper die base limiting holes (214), and a first spring (312) is arranged on each guide post (311) between the upper die base (21) and the lower die base (31).
10. The forming die for the adjustable gap during the bending of the door shell end part as claimed in claim 4, wherein one or more of the first lower inclined block (33), the transverse pulling plate and the first movable female 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 female die (341) in the front-back direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210305877.6A CN114433724B (en) | 2022-03-25 | Forming die with adjustable gap for bending door shell end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210305877.6A CN114433724B (en) | 2022-03-25 | Forming die with adjustable gap for bending door shell end |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114433724A true CN114433724A (en) | 2022-05-06 |
| CN114433724B CN114433724B (en) | 2024-04-30 |
Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115229061A (en) * | 2022-07-12 | 2022-10-25 | 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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| CN104438852A (en) * | 2014-12-08 | 2015-03-25 | 安徽鲲鹏装备模具制造有限公司 | Wedge-driven door shell end edging mold |
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| CN115229061A (en) * | 2022-07-12 | 2022-10-25 | 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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