CN114769434A - Forming die and using method thereof - Google Patents
Forming die and using method thereof Download PDFInfo
- Publication number
- CN114769434A CN114769434A CN202210293512.6A CN202210293512A CN114769434A CN 114769434 A CN114769434 A CN 114769434A CN 202210293512 A CN202210293512 A CN 202210293512A CN 114769434 A CN114769434 A CN 114769434A
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- die
- shaped beam
- lower die
- block
- upper die
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000003860 storage Methods 0.000 claims description 10
- 239000011265 semifinished product Substances 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 2
- 238000003754 machining Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a forming die and a using method thereof, relating to the technical field of dies and comprising a first die and a second die, wherein the first die comprises a first upper die holder and a first lower die holder, a first upper die block is arranged on the first upper die holder, a first lower die block is arranged on the first lower die holder, the first lower die block comprises a supporting part and a working part, a first material ejecting pin and a first elastic mechanism driving the first material ejecting pin to move upwards are arranged on the working part in a sliding way, a second material ejecting pin and a second elastic mechanism driving the second material ejecting pin to move downwards are arranged on the first upper die block in a sliding way, the second die comprises a second upper die holder and a second lower die holder, a second upper die block is arranged on the second upper die holder, a second lower die block is arranged on the second lower die holder, die cores are arranged on both sides of the second upper die block, convex blocks are arranged on both sides of the second lower die block, a cavity matched with the two die cores is formed between the two convex blocks, the processing efficiency of the mould is improved, the machining precision of the part is improved, and the time and cost are saved.
Description
Technical Field
The invention relates to the technical field of dies, in particular to a forming die and a using method thereof.
Background
The processing of current reducing U-shaped roof beam, mostly purchase panel, then the panel is cut into corresponding size, then the panel after will cutting is bent and is taken shape, its shortcoming is: manual bending is adopted, the variable-diameter part needs to be bent for multiple times, the labor intensity is high, and the production efficiency is low; the cutting and bending are needed, the processing cost is high, and the waste of raw materials can be caused; the U-shaped beam is formed at one time, so that the U-shaped beam can rebound and deform, and the processing precision is low; the cost is high because the die needs to be designed separately for U-shaped beams with different lengths.
Disclosure of Invention
Aiming at the defects, the invention aims to provide a forming die and a using method thereof, and aims to solve the technical problems of one-step forming and low processing precision of U-shaped beams in the prior art.
In order to solve the technical problem, the technical scheme of the invention is as follows:
a forming die comprises a first die and a second die, wherein the first die comprises a first upper die holder and a first lower die holder, a first upper die block is arranged on the first upper die holder, a first lower die block is arranged on the first lower die holder and comprises a supporting part and a working part, a first material ejecting pin and a first elastic mechanism for driving the first material ejecting pin to move upwards are arranged on the working part in a sliding manner, a second material ejecting pin and a second elastic mechanism for driving the second material ejecting pin to move downwards are arranged on the first upper die block in a sliding manner,
the second die comprises a second upper die base and a second lower die base, a second upper die block is mounted on the second upper die base, a second lower die block is mounted on the second lower die base, cores are arranged on two sides of the second upper die block, lugs are arranged on two sides of the second lower die block, and a die cavity matched with the two cores is formed between the two lugs.
Preferably, the top of the bump is provided with a third ejection pin in a sliding manner and a third elastic mechanism for driving the third ejection pin to move upwards.
Preferably, the mold core is provided with a bulge, and the projection is provided with a groove matched with the bulge.
Preferably, cushion blocks are detachably arranged at four corners of the first lower die holder and the second lower die holder.
Preferably, one side of the second die is provided with a mounting seat, two sides of the mounting seat are provided with sliding grooves, and the sliding grooves are provided with supporting pieces in a sliding manner.
Preferably, the mounting seat is fixedly connected with a guide rod, the support piece is slidably sleeved on the guide rod, and the support piece is screwed with a locking bolt for locking the guide rod.
A use method of a forming die comprises the following steps:
the method comprises the following steps: the bottom of the U-shaped beam faces downwards, the U-shaped beam is placed on the supporting portion, the press machine is started to drive the first upper die block to press downwards, and the front end of the U-shaped beam is formed in a diameter-changing mode;
step two: the press machine drives the first upper module to ascend, the first ejector pin ejects the U-shaped beam out of the first lower module, the second ejector pin ejects the U-shaped beam from the first upper module, and the U-shaped beam is placed in a semi-finished product storage area;
step three: two U-shaped beams in the semi-finished product storage area are placed on the lug with openings facing downwards, and the press machine drives the second upper module to press downwards and shape the two U-shaped beams simultaneously;
step four: the press drives the second upper module to ascend, and the U-shaped beam after being reshaped is taken out and placed in a finished product storage area.
After the technical scheme is adopted, the invention has the beneficial effects that:
the forming die comprises a first die and a second die, the first die comprises a first upper die holder and a first lower die holder, a first upper die block is arranged on the first upper die holder, a first lower die block is arranged on the first lower die holder, the first lower die block comprises a supporting part and a working part, a first material ejecting pin and a first elastic mechanism driving the first material ejecting pin to move upwards are arranged on the working part in a sliding manner, a second material ejecting pin and a second elastic mechanism driving the second material ejecting pin to move downwards are arranged on the first upper die block in a sliding manner, the second die comprises a second upper die holder and a second lower die holder, a second upper die block is arranged on the second upper die holder, a second lower die block is arranged on the second lower die holder, cores are arranged on two sides of the second upper die block, lugs are arranged on two sides of the second lower die block, a die cavity matched with the two cores is formed between the two lugs, and after the first die block performs diameter reduction on the U-shaped beam, the second die is used for reshaping the reducing position of the U-shaped beam, the U-shaped beam can be prevented from being formed at one time, the U-shaped beam can rebound and deform, the machining precision is low, the first die is used for machining the U-shaped beam, the waste of raw materials is avoided, the machining cost is low, the second die can be used for sequentially reshaping the two U-shaped beams, the machining efficiency is high, the time cost is saved, the U-shaped beam reducing die can be suitable for machining the reducing positions of the U-shaped beams with various lengths, the die does not need to be designed independently for the U-shaped beams with different lengths, and the production cost is reduced.
Because the top of the bump is provided with the third material ejecting pin in a sliding manner and the third elastic mechanism for driving the third material ejecting pin to move upwards, the U-shaped beam can be prevented from being tightly hooped on the bump, the blanking is convenient, and the discharging efficiency is improved.
Because the core is provided with the bulge, the convex block is provided with the groove matched with the bulge, and the bulge and the groove are matched, the U-shaped beam can obtain certain resilience allowance, and the processing precision of the U-shaped beam is improved.
As the cushion blocks are detachably arranged at four corners of the first lower die holder and the second lower die holder, the movement of the upper die holder can be buffered, and the service life of the die is prolonged.
Because the mounting seat is arranged on one side of the second die, the sliding grooves are formed in two sides of the mounting seat, and the supporting pieces are arranged on the sliding grooves in a sliding mode, the supporting pieces can support the tail end of the U-shaped beam, the U-shaped beam is prevented from sagging in the machining process, the machining precision of the U-shaped beam is low, the supporting position of the tail end of the U-shaped beam can be adjusted by adjusting the positions of the supporting pieces, the supporting pieces can be suitable for U-shaped beams with various lengths, the universality of the die is improved, and the production cost is saved.
Because the guide rod is fixedly connected to the mounting seat, the support piece is slidably sleeved on the guide rod, and the locking bolt locked on the guide rod is screwed on the support piece, so that the support piece is locked on the guide rod through the locking bolt, the stability of the support piece is improved, and the position of the support piece is easy to adjust and fix.
Drawings
FIG. 1 is a schematic view of a first mold;
FIG. 2 is a schematic structural view of a second mold;
FIG. 3 is a schematic structural view of the support member;
fig. 4 is a top view of the support.
In the drawing, a first die 1, a first upper die holder 10, a first lower die holder 11, a spacer 110, a first upper die block 12, a second ejector pin 120, a first lower die block 13, a support 130, a working portion 131, a first ejector pin 132, a second die 2, a second upper die holder 20, a second lower die holder 21, a second upper die block 22, a core 220, a protrusion 221, a second lower die block 23, a protrusion 230, a cavity 231, a third ejector pin 232, a groove 233, a mounting seat 24, a sliding groove 240, a support 241, a guide rod 242, a locking bolt 243, a mounting block 244, a roller 245 and a U-shaped beam 3.
Detailed Description
The invention is further elucidated below with reference to the accompanying drawing.
The orientations referred to in the specification are all based on the orientation of the forming die and the using method thereof in normal operation, and the orientations are not limited in storage and transportation, and only represent relative positional relationships, but not absolute positional relationships.
The first embodiment is as follows:
as shown in fig. 1 and fig. 2, a forming die for processing a U-shaped beam with a variable diameter to form the variable diameter portion of the U-shaped beam includes a first die 1 and a second die 2, the first die 1 includes a first upper die holder 10 and a first lower die holder 11, a first upper die 12 is mounted on the first upper die holder 10, a first lower die 13 is mounted on the first lower die holder 11, the first lower die 13 includes a supporting portion 130 and a working portion 131, a first ejector pin 132 and a first elastic mechanism for driving the first ejector pin 132 to move upward are slidably disposed on the working portion 131, the first elastic mechanism used in this embodiment is a first compression spring, a second ejector pin 120 and a second elastic mechanism for driving the second ejector pin 120 to move downward are slidably disposed on the first upper die 12, the second elastic mechanism used in this embodiment is a second compression spring, the second die 2 includes a second upper die holder 20 and a second lower die holder 21, the second upper die block 22 is arranged on the second upper die holder 20, the second lower die block 23 is arranged on the second lower die holder 21, the cores 220 are arranged on two sides of the second upper die block 22, the convex blocks 230 are arranged on two sides of the second lower die block 23, and the cavity 231 matched with the two cores 220 is formed between the two convex blocks 230, when the U-shaped beam forming die is used, after the variable diameter part of the U-shaped beam 3 is formed by the first die 1, the variable diameter part of the U-shaped beam 3 is corrected by the second die 2, the U-shaped beam 3 is prevented from being formed only once, the U-shaped beam 3 can rebound and deform, the processing precision is low, the U-shaped beam is processed by the first die 1, the waste of raw materials is avoided, the processing cost is low, the two U-shaped beams 3 can be corrected by the second die 2 at one time, the processing efficiency is high, the time cost is saved, after the first die 1 is formed, the first ejector pin 132 is reset under the action of the first compression spring, the U-shaped beam 3 is jacked down from the first upper die block 12, the second jacking pin 120 is reset under the action of the second compression spring, the U-shaped beam 3 is jacked down from the first lower die block 13, when the first die 1 works, the U-shaped beam 3 is firstly prevented from being arranged on the second lower die block 23, the first jacking pin 132 is used for supporting the U-shaped beam 3, then the first upper die block 12 moves downwards under the action of a press machine, the U-shaped beam 3 moves downwards, the reducing part of the U-shaped beam 3 is formed under the action of the first upper die block 12 and the second lower die block 23, when the second die 2 works, the two U-shaped beams 3 are firstly respectively placed on the two convex blocks 230, and the second upper die block 22 moves downwards under the action of the press machine and is matched with the second lower die block 23 to shape the two U-shaped beams 3.
The third elastic mechanism used in the embodiment is a third compression spring, after the second die 2 is pressed, the third ejecting pin 232 resets under the action of the third compression spring, the U-shaped beam 3 is ejected from the second lower die block 23, and when the U-shaped beam is used, the U-shaped beam 3 can be prevented from being tightly clamped on the lug 230, so that blanking is convenient, and the unloading efficiency is improved.
The core 220 is provided with a protrusion 221, the protrusion 230 is provided with a groove 233 matched with the protrusion 221, and the protrusion 221 and the groove 233 are matched to make the U-shaped beam 3 obtain a certain resilience allowance, so that the processing precision of the U-shaped beam 3 is improved.
Preferably, cushion blocks 110 are detachably mounted at four corners of the first lower die holder 11 and the second lower die holder 21, and the cushion blocks 110 can cushion the movement of the upper die holder, so that the service life of the die is prolonged.
The second embodiment:
as shown in fig. 3 and 4, the present embodiment is different from the first embodiment in that: one side of the second mold 2 is provided with a mounting seat 24, two sides of the mounting seat 24 are provided with sliding grooves 240, the sliding grooves 240 are slidably provided with supporting pieces 241, when in use, the supporting member 241 can support the tail end of the U-shaped beam 3, so as to avoid the U-shaped beam 3 from sagging during the processing, which causes the low processing precision of the U-shaped beam 3, and the supporting position of the rear end of the U-beam 3 can be adjusted by adjusting the position of the supporting member 241, so that the supporting member 241 can be applied to U-shaped beams 3 with various lengths, the versatility of the mold is improved, the production cost is saved, preferably, the guide rod 242 is fixedly connected to the mounting seat 24, the supporting member 241 is slidably sleeved on the guide rod 242, the locking bolt 243 for locking on the guide rod 242 is screwed on the supporting member 241, when the position of the supporting member 241 is adjusted, the support 241 is locked to the guide bar 242 by the locking bolt 243, improving stability of the support 241, so that the position of the support 241 is easily adjusted and fixed.
Example three:
as shown in fig. 1 and 2 together, a method of using a forming die includes the steps of:
the method comprises the following steps: the bottom of the U-shaped beam 3 faces downwards, the U-shaped beam is placed on the supporting portion 130, the press machine is started to drive the first upper module 10 to press downwards, and the front end of the U-shaped beam 3 is formed in a diameter-changing mode;
step two: the press drives the first upper module 12 to ascend, the first ejector pin 132 ejects the U-shaped beam 3 out of the first lower module 13, the second ejector pin 120 ejects the U-shaped beam 3 from the first upper module 12, and the U-shaped beam 3 is placed in a semi-finished product storage area;
step three: two U-shaped beams 3 in the semi-finished product storage area are placed on the lug 230 with the openings facing downwards, and the press drives the second upper module 22 to press downwards and shape the two U-shaped beams 3 at the same time;
step four: the press drives the second upper mould block 22 upwards and the reshaped U-beam 3 is removed and placed in the finished product storage area.
The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.
Claims (7)
1. A forming die is characterized by comprising a first die and a second die, wherein the first die comprises a first upper die holder and a first lower die holder, a first upper die block is installed on the first upper die holder, a first lower die block is installed on the first lower die holder, the first lower die block comprises a supporting part and a working part, a first material ejecting pin and a first elastic mechanism for driving the first material ejecting pin to move upwards are arranged on the working part in a sliding manner, a second material ejecting pin and a second elastic mechanism for driving the second material ejecting pin to move downwards are arranged on the first upper die block in a sliding manner,
the second die comprises a second upper die base and a second lower die base, a second upper die block is mounted on the second upper die base, a second lower die block is mounted on the second lower die base, cores are arranged on two sides of the second upper die block, protruding blocks are arranged on two sides of the second lower die block, and cavities matched with the two cores are formed between the two protruding blocks.
2. The forming die of claim 1, wherein a third ejector pin is slidably provided on the top of the protruding block, and a third elastic mechanism for driving the third ejector pin to move upward is provided.
3. The mold as claimed in claim 1, wherein the core is provided with a protrusion, and the protrusion is provided with a groove adapted to the protrusion.
4. The mold as claimed in claim 1, wherein the first and second lower die holders are detachably provided with spacers at four corners thereof.
5. The forming die of claim 1, wherein the second die has a mounting base on one side, and the mounting base has sliding grooves on both sides, and the sliding grooves are slidably provided with supporting members.
6. The forming die as claimed in claim 5, wherein a guide bar is fixed to the mounting seat, the support member is slidably fitted over the guide bar, and a locking bolt for locking to the guide bar is screwed to the support member.
7. A method of using a molding die, characterized by using a molding die according to any one of claims 1 to 4, comprising the steps of:
the method comprises the following steps: the bottom of the U-shaped beam faces downwards, the U-shaped beam is placed on the supporting portion, the press machine is started to drive the first upper die block to press downwards, and the front end of the U-shaped beam is formed in a diameter-changing mode;
step two: the press drives the first upper module to ascend, the first ejector pin ejects the U-shaped beam out of the first lower module, the second ejector pin ejects the U-shaped beam down from the first upper module, and the U-shaped beam is placed in a semi-finished product storage area;
step three: two U-shaped beams in the semi-finished product storage area are placed on the lug with openings facing downwards, and the press drives the second upper module to press downwards and simultaneously reshape the two U-shaped beams;
step four: and the press drives the second upper module to ascend, and the U-shaped beam after being reshaped is taken out and placed in a finished product storage area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210293512.6A CN114769434A (en) | 2022-03-24 | 2022-03-24 | Forming die and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210293512.6A CN114769434A (en) | 2022-03-24 | 2022-03-24 | Forming die and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114769434A true CN114769434A (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210293512.6A Pending CN114769434A (en) | 2022-03-24 | 2022-03-24 | Forming die and using method thereof |
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| CN (1) | CN114769434A (en) |
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