CN208743597U - A kind of hot pier molding die of hexagon-headed bolt - Google Patents
A kind of hot pier molding die of hexagon-headed bolt Download PDFInfo
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- CN208743597U CN208743597U CN201821382683.1U CN201821382683U CN208743597U CN 208743597 U CN208743597 U CN 208743597U CN 201821382683 U CN201821382683 U CN 201821382683U CN 208743597 U CN208743597 U CN 208743597U
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Abstract
The utility model discloses a kind of hot pier molding dies of hexagon-headed bolt, perforation is provided with stepped hole wide at the top and narrow at the bottom from top to bottom on the molding model fixing seat, pattern is combined into equipped with "T"-shaped in stepped hole, the "T"-shaped horizontal arm for being combined into pattern is set at the ladder of stepped hole, and the "T"-shaped vertical arm for being combined into pattern is extended outside molding model fixing seat lower surface；The "T"-shaped pattern that is combined into is provided with "T"-shaped blind hole from top to bottom, ejector is equipped in "T"-shaped blind hole, the "T"-shaped upper surface for being combined into pattern is equipped with backing plate and the backing plate is located at the top of stepped hole；The "T"-shaped lower end for being combined into "T"-shaped blind hole in pattern is equipped with turret head shaping mould；The lower die includes lower die holder and fixed lower model fixing seat on the lower die seat, and lower model fixing seat inner sleeve is equipped with lower mold core, and the lower mold core and stepped hole are coaxially provided with the second straight hole, are equipped with lower knock-pin in the second straight hole；Lower knock-pin is moved up and down by driving mechanism driving.
Description
Technical field
The utility model relates to bolt processing more particularly to a kind of hot pier molding dies of hexagon-headed bolt.
Background technique
Six square toes of bolt are stamped to form by heating.For example, Patent No.: CN201420854510.0's is practical
It is novel to disclose a kind of bolt heat pier multistation molding die, it is characterized in that: upset upper mold, shaping upper and setting are in cope plate
On upper die holder connection, cope plate is fixed on the sliding block of press machine, and drives its movement with the movement of sliding block, on cope plate
It is additionally provided with the first upper ejector pin, the second upper ejector pin, die shank and knockout rod；The lower die of lower template is arranged in upset lower die, molding lower die
On seat, and be oppositely arranged respectively with upset upper mold, shaping upper, lower push rod be movably equipped in lower die holder, respectively with it is upset under
Mould, molding lower die are flexibly connected, and lower die holder bottom is respectively equipped with spring；It is connected between cope plate and lower template by guide post.This
Original two procedures are become a procedure by utility model mold, and efficiency significantly improves, and save energy consumption, and structure is simpler
Single, practicability is relatively high.
Although above-mentioned patent records the structure and processing technology of hot pier molding die, but recorded in the molding die
The structure of upset mould upper die and lower die is different, and mode of operation is also different；And the main flow of processing are as follows: blanking → chamfering punching →
Upset molding → machining, when existing hot pier nose portion, spiral shell embryo head forms in lower mode cavity, and spiral shell embryo head overlap is serious, needs
Specially to arrange chamfering and inclined end face process, cutter because flash thickness, height inhomogeneities due to easy defect, production efficiency is low,
Manufacturing cost height (as shown in Figure 1).
Utility model content
For the deficiency in the presence of the prior art, the purpose of this utility model is to provide a kind of hot piers of hexagon-headed bolt
Molding die solves the technical problem that existing bolt heat pier forming die structure is cumbersome, production efficiency is low, manufacturing cost is low.
To achieve the above object, the utility model uses the following technical solution: a kind of hot pier molding of hexagon-headed bolt
Mold, including the upper die and lower die being used in conjunction with each other, the upper mold includes upper die holder, above upper die holder and is connected thereto
Upper die shank, below the upper die holder and the molding model fixing seat that is connect with its lower surface, from upper on the molding model fixing seat
It is provided with stepped hole wide at the top and narrow at the bottom to lower perforation, stepped hole is interior to be combined into pattern, the "T"-shaped water for being combined into pattern equipped with "T"-shaped
Flat arm is set at the ladder of stepped hole, and the "T"-shaped vertical arm for being combined into pattern is extended outside molding model fixing seat lower surface；
The "T"-shaped pattern that is combined into is provided with "T"-shaped blind hole from top to bottom, be equipped with ejector in "T"-shaped blind hole, the "T"-shaped pattern that is combined into
Upper surface is equipped with backing plate and the backing plate is located at the top of stepped hole；The "T"-shaped lower end for being combined into "T"-shaped blind hole in pattern is equipped with six
Angle head shaping mould, the turret head shaping mould；The die shank, upper die holder, be provided on backing plate from stepped hole coaxially different diameters
One straight hole, first straight hole is interior to be equipped with upper ejector pin；
The lower die includes that lower die holder and fixed lower model fixing seat on the lower die seat, lower model fixing seat inner sleeve are equipped with lower die
Core, the lower mold core and stepped hole are coaxially provided with the second straight hole, are equipped with lower knock-pin in the second straight hole；Lower knock-pin passes through driving
Mechanism driving moves up and down.
Wherein, the driving mechanism includes mandril fixing seat for connecting with lower knock-pin, connect with mandril fixing seat
Supporting block, further include drive rod, roller supporting plate, roller supporting plate one end is connect by roller shaft with supporting block, the other end
It is rotatablely connected with drive rod；Drive rod is equipped with adjusting nut far from one end of lower knock-pin, and adjusting nut passes through motor driven.
Further more, the turret head shaping mould includes die holder, hexagonal hole, the bottom of the hexagonal hole are provided on the die holder
Portion is equipped with chamfering.
Compared with the prior art, the utility model has the following beneficial effects:
1, spiral shell base head forms in upper cavity (if mark is needed to know, engraves the mark shape of needs in ejector lower end surface
Shape), bolt hexagonal opposite side and upper end surface chamfer form simultaneously, not only save material, but also can reduce chamfering and inclined end face process, and spiral shell
Bolt head outer dimension is unanimously good, high production efficiency, can save manufacturing cost about 10%；
2, same type series of products: lower die, head shaping mould are only needed to change, is combined into pattern, ejector and top stick, operation
It is convenient and efficient；
3, process is improved to improve production efficiency, this process can reduce cost of goods manufactured about 12% or more again；
4, the setting of driving mechanism, when demoulding after machine-shaping, motor driven adjusting nut, adjusting nut drives drive rod
Rotation, drive rod rotation drive roller supporting plate to move forward, so that lower knock-pin be made to move upwards ejection hexagonal after molding
Bolt, when demoulding, the hex bolts after the ejection of lower knock-pin is linked together with turret head shaping mould, and upper ejector pin moves down promotion and pushes away
Part device separates hexagonal screw rod with turret head shaping mould, is properly completed demoulding.After being detached from lower die, motor reversal driving is dynamic anti-
Turn, roller supporting plate is driven to move down, lower knock-pin is driven to reset.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of upper mold；
Fig. 3 is the assembling structure schematic diagram of lower die and driving mechanism；
Fig. 4 is the structural schematic diagram of driving mechanism.
In figure: upper ejector pin 1, upper die shank 2, upper die holder 3, backing plate 4, ejector 5, be combined into pattern 6, molding model fixing seat 7,
Turret head shaping mould 8, spiral shell base 9, lower model fixing seat 10, lower mold core 11, lower knock-pin 12, lower die holder 13, driving mechanism 14, mandril
Fixing seat 141, roller supporting plate 142, drive rod 143, adjusting nut 144, motor 145, drive rod support frame 146, supporting block
147。
Specific embodiment
To achieve the above object, the utility model uses the following technical solution to the utility model:
Referring to figures 1-4, the hot pier molding die of a kind of hexagon-headed bolt, including the upper die and lower die being used in conjunction with each other,
The upper mold include upper die holder 3, be located at the top of upper die holder 3 and upper die shank 2 connected to it, be located at 3 lower section of upper die holder and and its
The molding model fixing seat 7 of lower surface connection, penetrates through on the molding model fixing seat 7 from top to bottom and is provided with ladder wide at the top and narrow at the bottom
Hole, stepped hole is interior to be combined into pattern 6 equipped with "T"-shaped, and the "T"-shaped horizontal arm for being combined into pattern 6 is set at the ladder of stepped hole,
The "T"-shaped vertical arm for being combined into pattern 6 is extended outside molding 7 lower surface of model fixing seat；It is "T"-shaped be combined into pattern 6 on to
Under be provided with "T"-shaped blind hole, ejector 5 is equipped in "T"-shaped blind hole, the "T"-shaped upper surface for being combined into pattern 6 is equipped with backing plate 4 and should
Backing plate 4 is located at the top of stepped hole；The "T"-shaped lower end for being combined into "T"-shaped blind hole in pattern 6 is equipped with turret head shaping mould 8, described
Turret head shaping mould 8；The die shank, upper die holder 3, be provided on backing plate 4 from the first straight hole of the coaxial different diameters of stepped hole, this first
Upper ejector pin 1 is equipped in straight hole；The lower die includes lower die holder 13 and the lower model fixing seat 10 that is fixed on lower die holder 13, and lower die is solid
Lower mold core 11 is arranged in reservation 10, the lower mold core 11 is coaxially provided with the second straight hole with stepped hole, is equipped with down in the second straight hole
Knock-pin 12；Lower knock-pin 12 is moved up and down by the driving of driving mechanism 14.The turret head shaping mould 8 includes die holder, described
Hexagonal hole is provided on die holder, the bottom of the hexagonal hole is equipped with chamfering.9 head of spiral shell base is formed in upper cavity (if need to beat
Mark, then engrave the mark shape of needs in 5 lower end surface of ejector), bolt hexagonal opposite side and upper end surface chamfer form simultaneously, both
Material is saved, and chamfering and inclined end face process can be reduced, and bolt head outer dimension is unanimously good, high production efficiency can save
Manufacturing cost about 10%；Same type series of products: lower die, head shaping mould are only needed to change, is combined into pattern 6, ejector 5 and top
Stick, it is easy to operate.
Wherein, the driving mechanism 14 includes mandril fixing seat 141 for connecting with lower knock-pin 12, fixes with mandril
The supporting block 147 of 141 connection of seat, further includes drive rod 143, roller supporting plate 142,142 one end of roller supporting plate passes through idler wheel
Axis is connect with supporting block 147, and the other end and drive rod 143 are rotatablely connected；Drive rod 143 is equipped with far from one end of lower knock-pin 12
Adjusting nut 144, adjusting nut 144 are driven by motor 145.The setting of driving mechanism, when demoulding after machine-shaping, motor is driven
Dynamic adjusting nut, adjusting nut drive drive rod rotation, and drive rod rotation drives roller supporting plate to move forward, to make lower top
Rod moves upwards ejection hex bolts after molding, when demoulding, hex bolts and turret head after the ejection of lower knock-pin at
Pattern is linked together, and upper ejector pin, which moves down, pushes ejector to separate hexagonal screw rod with turret head shaping mould, is properly completed demoulding.It is de-
After lower die, the dynamic reversion of motor reversal driving drives roller supporting plate to move down, and lower knock-pin is driven to reset.
The utility model also proposes a kind of hot pier moulding process of hexagon-headed bolt, manufacturing procedure include: blanking, it is upset at
Type, machining do not include chamfering punching, wherein hot pier moulding process the following steps are included:
S1, the wherein heating one end for first giving the bar after blanking；
S2, again by unheated one end of bar after S1 is processed as in the second straight hole in lower die, and pass through second
Lower knock-pin 12 and driving mechanism 14 in straight hole limit；Bar position to be formed is placed in lower 10 upper surface of model fixing seat
Outside；
S3, upper mold move down, and bar is placed in the indentation turret head shaping mould 8 of the bar outside lower model fixing seat 10,9 head of spiral shell base
It is formed in upper mold hexagonal hole, and end chamfer forms simultaneously.The end carved with mark shape of upper ejector pin 1,9 head of spiral shell base at
When type simultaneously hot pier.
Process is improved to improve production efficiency, this process can reduce cost of goods manufactured about 12% or more again, this
Screw rod in utility model can be contracting bar, straight-bar, and mold uses hard alloy, and straight-bar alloy mould uses VA80, contracting bar alloy
Mould uses ST7, and hardness is high and wear-resisting, and service life improves 5 times or more；It before material improvement is increased by using talcum powder etc.
Add surface lubrication, it is bad to be easy to fall off using effect；Used instead phosphorus, saponification process processing after, material cold extrusion, cold stamping and
When cold drawing and moulding, lubricating film can be securely attached to workpiece surface and the drawing with the drawing of workpiece surface, can not only mention
High product surface smoothness, and die life can be extended, substantially reduce cost of goods manufactured.
Material phosphatization: refer to steel containing zinc, iron, manganese phosphate solution in chemically react, generation is insoluble in
The crystal type phosphate of water is deposited in steel surface, and steel surface is made to form one layer of good protective film of attachment, and main purpose is
Improve material surface greasy property；
Material saponification: refer to that material immerses in saponification liquor again after phosphatization and handled, lubricant effect can be further increased.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (3)
1. a kind of hot pier molding die of hexagon-headed bolt, including the upper die and lower die being used in conjunction with each other, it is characterised in that: described
Upper mold include upper die holder, be located at upper die holder above and upper die shank connected to it, be located at upper die holder below and with its lower surface connect
The molding model fixing seat connect, perforation is provided with stepped hole wide at the top and narrow at the bottom from top to bottom on the molding model fixing seat, in stepped hole
It is combined into pattern equipped with "T"-shaped, the "T"-shaped horizontal arm for being combined into pattern is set at the ladder of stepped hole, "T"-shaped combination forming
The vertical arm of mould is extended outside molding model fixing seat lower surface；The "T"-shaped pattern that is combined into is provided with "T"-shaped blind hole from top to bottom, " T "
Ejector is equipped in shape blind hole, the "T"-shaped upper surface for being combined into pattern is equipped with backing plate and the backing plate is located at the top of stepped hole；
The "T"-shaped lower end for being combined into "T"-shaped blind hole in pattern is equipped with turret head shaping mould, the turret head shaping mould；The die shank, on
Be provided on die holder, backing plate from the first straight hole of the coaxial different diameters of stepped hole, be equipped with upper ejector pin in first straight hole；
The lower die includes that lower die holder and fixed lower model fixing seat on the lower die seat, lower model fixing seat inner sleeve are equipped with lower mold core,
The lower mold core and stepped hole are coaxially provided with the second straight hole, are equipped with lower knock-pin in the second straight hole；Lower knock-pin passes through driving machine
Structure driving moves up and down.
2. the hot pier molding die of a kind of hexagon-headed bolt according to claim 1, it is characterised in that: the driving mechanism packet
The supporting block for including the mandril fixing seat for connecting with lower knock-pin, connecting with mandril fixing seat further includes drive rod, idler wheel branch
Fagging, roller supporting plate one end are connect by roller shaft with supporting block, and the other end and drive rod are rotatablely connected；Drive rod is far under
One end of knock-pin is equipped with adjusting nut, and adjusting nut passes through motor driven.
3. the hot pier molding die of a kind of hexagon-headed bolt according to claim 1 or 2, it is characterised in that: the turret head
Shaping mould includes die holder, and hexagonal hole is provided on the die holder, and the bottom of the hexagonal hole is equipped with chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821382683.1U CN208743597U (en) | 2018-08-24 | 2018-08-24 | A kind of hot pier molding die of hexagon-headed bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821382683.1U CN208743597U (en) | 2018-08-24 | 2018-08-24 | A kind of hot pier molding die of hexagon-headed bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208743597U true CN208743597U (en) | 2019-04-16 |
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ID=66081785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821382683.1U Active CN208743597U (en) | 2018-08-24 | 2018-08-24 | A kind of hot pier molding die of hexagon-headed bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208743597U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787978A (en) * | 2018-08-24 | 2018-11-13 | 重庆标准件工业有限责任公司 | A kind of hot pier molding die of hexagon-headed bolt and its processing technology |
| CN115319000A (en) * | 2022-08-05 | 2022-11-11 | 捷固金属制品(太仓)有限公司 | Forming process of high-strength screw |
-
2018
- 2018-08-24 CN CN201821382683.1U patent/CN208743597U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787978A (en) * | 2018-08-24 | 2018-11-13 | 重庆标准件工业有限责任公司 | A kind of hot pier molding die of hexagon-headed bolt and its processing technology |
| CN115319000A (en) * | 2022-08-05 | 2022-11-11 | 捷固金属制品(太仓)有限公司 | Forming process of high-strength screw |
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