CN202639190U - Ejection assisting device of cold header - Google Patents
Ejection assisting device of cold header Download PDFInfo
- Publication number
- CN202639190U CN202639190U CN 201220205672 CN201220205672U CN202639190U CN 202639190 U CN202639190 U CN 202639190U CN 201220205672 CN201220205672 CN 201220205672 CN 201220205672 U CN201220205672 U CN 201220205672U CN 202639190 U CN202639190 U CN 202639190U
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- CN
- China
- Prior art keywords
- block
- rod
- push rod
- sleeve
- cam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001105 regulatory Effects 0.000 claims description 25
- 238000000465 moulding Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract 2
- 239000002994 raw material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model discloses an ejection assisting device of a cold header, which comprises a bed body, wherein a support frame is arranged in the bed body, the lower part of the support frame is hinged with a cam, the left side of the cam is positioned on the support frame and is hinged with a lower swinging block mechanism, the lower swinging block mechanism is in transmission connection with the cam, the upper part of the lower swinging block mechanism is positioned on the support frame and is hinged with an upper swinging mechanism, the upper swinging mechanism is provided with an ejection adjustment screw rod, one side of the upper swinging mechanism is provided with an adjustment mechanism, the adjustment mechanism is in transmission connection with the lower swinging block mechanism, a sleeve and a screw sleeve are arranged at the top of the support frame, an eject rod is arranged in the screw sleeve and the sleeve, the end part of the eject rod is supported by the ejection adjustment screw rod, the end part, just opposite to the sleeve, on the bed body, is provided with a die box, the ejection assisting device is characterized in that the upper part of the screw sleeve is positioned on the bed body and is provided with a fixed seat, the tail end of the eject rod is provided with a fixed sleeve, a connecting screw rod is arranged on the fixed sleeve, and a spring is arranged between the connecting screw rod and the fixed seat. The ejection assisting device solves the problem of stopping a vehicle and the like because that the eject rod of the traditional colder head is easy to be lag and short material is easy to fall into a die groove, and is widely used as an ejection assisting device on the colder header.
Description
(i) technical field: the utility model relates to the manufacturing equipment of bolt, especially a kind of liftout servicing unit of cold headers.
(ii) background technology: at present, the cold headers of processing bolt have lathe bed, be provided with bracing frame in lathe bed, the bracing frame lower hinge has cam, and the cam left side is positioned on bracing frame and is hinged with lower swaying block mechanism, and lower swaying block mechanism is connected with cam drive, lower swaying block mechanism top is positioned on bracing frame and is hinged with swing-block mechamism, upper swing-block mechamism top is equipped with and is ejected adjusting screw(rod), and upper swing-block mechamism one side is equipped with governor motion, and governor motion is connected with the lower swaying block mechanism driving; Sleeve is equipped with at the bracing frame top, and the sleeve left side is fitted with swivel nut, and a push rod is housed in swivel nut and sleeve, and the end of push rod is ejected adjusting screw(rod) and withstands, and moulding box is equipped with in the end over against sleeve on lathe bed.The cold headers of this structure, push rod easily lags behind, when processing parts, have unavoidably short material and enter, the hysteresis of push rod causes push rod can't withstand short material, causes short material to fall into mold slots and produces vexed car, destroy the precision of mould, greatly affected the normal operation of lathe.Therefore, designing a kind of liftout servicing unit that prevents that short material from falling into the cold headers of mold slots extremely is necessary.
(iii) summary of the invention: the purpose of this utility model be exactly to solve that traditional cold headers push rod easily lags behind, short material easily falls into that mold slots causes vexed car, mould and die accuracy is destroyed, operating efficiency is lower and the problem such as crudy is undesirable, and a kind of liftout servicing unit of cold headers is provided.
Concrete scheme of the present utility model is: a kind of liftout servicing unit of cold headers, there is lathe bed, be provided with bracing frame in lathe bed, the bracing frame lower hinge has cam, and the cam left side is positioned on bracing frame and is hinged with lower swaying block mechanism, and lower swaying block mechanism is connected with cam drive, lower swaying block mechanism top is positioned on bracing frame and is hinged with swing-block mechamism, upper swing-block mechamism top is equipped with and is ejected adjusting screw(rod), and upper swing-block mechamism one side is equipped with governor motion, and governor motion is connected with the lower swaying block mechanism driving; Sleeve is equipped with at the bracing frame top, the sleeve left side is fitted with swivel nut, a push rod is housed in swivel nut and sleeve, the end of push rod is ejected adjusting screw(rod) and withstands, moulding box is equipped with in end over against sleeve on lathe bed, it is characterized in that: described swivel nut top is positioned on lathe bed is equipped with holder, and the push rod tail end is equipped with fixed cover, connecting screw rod is housed on fixed cover, between connecting screw rod and holder, spring is housed.
Have a cam path over against cam on bracing frame described in the utility model, cam path top is positioned on bracing frame and has a cushion hole B.
The mechanism of lower swaying block described in the utility model includes lower swaying block, and lower swaying block is hinged on bracing frame by back shaft A, and the lower swaying block top is hinged with roller A by back shaft B, and roller A rolls and is connected with cam; Described upper swing-block mechamism includes the upper centering block that is the fork shape, and upper centering block is hinged on bracing frame by back shaft C, and upper centering block right side has a cushion hole A, and upper centering block top is equipped with and is ejected adjusting screw(rod); Described governor motion includes regulating arm, and cover plate is equipped with at the regulating arm top, and the regulating arm bottom-hinged has roller B, and roller B rolls and is connected with the side of lower swaying block.
The regulating arm of governor motion described in the utility model is upper centering block one side that is sleeved on swing-block mechamism, upper centering block is fixedly connected with regulating arm by tightening nut, regulating arm can move up and down in upper centering block one side, and upper centering block one side be contained in regulating arm is equipped with adjusting screw(rod), adjusting screw(rod) one end stretches out cover plate, and the adjusting screw(rod) epimere is equipped with adjusting nut.
Between the A of cushion hole described in the utility model and cushion hole B, buffer bar is housed, buffer spring is housed on buffer bar.
Push rod described in the utility model is comprised of front push rod and rear push rod, front push rod is contained in sleeve, and rear push rod is contained in swivel nut, and front push rod and rear push rod link together by joint, the tail end of rear push rod stretches out swivel nut and is pressing and ejects adjusting screw(rod), on front push rod, back-moving spring is housed.
The utility model is simple in structure, easy to use, short material firmly can be withstood, and effectively prevents that short material from falling into mold slots, avoids mould and die accuracy destroyed, and operating efficiency and crudy improve greatly, have brought huge economic benefit.
(iv) accompanying drawing explanation:
Fig. 1 is main cutaway view of the present utility model.
In figure: the 1-cam, the 2-bracing frame, the 3-cam path, the 4-lathe bed, 5-cushion hole A, the 6-buffer spring, the 7-buffer bar, 8-cushion hole B, the 9-moulding box, push rod before 10-, the 11-back-moving spring, the 12-joint, the 13-sleeve, the 14-holder, the 15-spring, the 16-swivel nut, push rod after 17-, the 18-connecting screw rod, the 19-fixed cover, 20-ejects adjusting screw(rod), the 21-cover plate, the 22-adjusting screw(rod), the 23-regulating arm, the upper centering block of 24-, 25-back shaft C, the 26-tightening nut, 27-back shaft D, 28-roller B, 29-roller A, 30-back shaft B, the 31-lower swaying block, 32-back shaft A.
(v) the specific embodiment:
Referring to Fig. 1, the utlity model has lathe bed 4, be provided with bracing frame 2 in lathe bed 4, bracing frame 2 lower hinge have cam 1, cam 1 left side is positioned on bracing frame 2 and is hinged with lower swaying block mechanism, and this lower swaying block mechanism includes lower swaying block 31, and lower swaying block 31 is hinged on bracing frame 2 by back shaft A32, lower swaying block 31 tops are hinged with roller A29 by back shaft B30, and roller A29 rolls and is connected with cam 1.Lower swaying block 31 tops are positioned on bracing frame 2 and are hinged with swing-block mechamism, should include the upper centering block 24 that is the fork shape by upper swing-block mechamism, upper centering block 24 is hinged on bracing frame 2 by back shaft C25, upper centering block 24 right sides have a cushion hole A5, and upper centering block 24 tops are equipped with and are ejected adjusting screw(rod) 20.Governor motion is equipped with in upper centering block 24 left sides, and this governor motion includes regulating arm 23, and cover plate 21 is equipped with at regulating arm 23 tops, and regulating arm 23 bottoms are hinged with roller B28 by back shaft D27, and roller B28 rolls and is connected with the side of lower swaying block 31.Sleeve 13 is equipped with at bracing frame 2 tops, sleeve 13 left sides are fitted with swivel nut 16, rear push rod 17 is housed in swivel nut 16, sinciput bar 10 is housed in sleeve 13, front push rod 10 and rear push rod 17 link together by joint 12, joint 12 is positioned at sleeve 13, the tail end of rear push rod 17 stretches out swivel nut 16 and is pressing and ejects adjusting screw(rod) 20, on front push rod 10, back-moving spring 11 is housed, over against the end of sleeve 13, moulding box 9 is housed on lathe bed 4, particularly: described swivel nut 16 tops are positioned on lathe bed 4 is equipped with holder 14, rear push rod 17 tail ends are equipped with fixed cover 19, connecting screw rod 18 is housed on fixed cover 19, between connecting screw rod 18 and holder 14, spring 15 is housed.
Have a cam path 3 over against cam 1 on bracing frame described in the present embodiment 2, cam path 3 tops are positioned on bracing frame 2 and have a cushion hole B8, between cushion hole B8 and cushion hole A5, buffer bar 7 are housed, and buffer spring 6 is housed on buffer bar 7.
The regulating arm 23 of governor motion described in the present embodiment is upper centering block 24 1 sides that are sleeved on swing-block mechamism, upper centering block 24 is fixedly connected with regulating arm 23 by tightening nut 26, regulating arm 23 can move up and down in upper centering block 24 1 sides, and upper centering block 24 1 sides that are contained in regulating arm 23 are equipped with adjusting screw(rod) 22, adjusting screw(rod) 22 1 ends stretch out cover plate 21, and adjusting screw(rod) 22 epimeres are equipped with adjusting nut.
Operation principle of the present utility model is: during machine tool running, cam 1 starts to rotate, cam 1 rolls to be connected and to drive lower swaying block 31 with roller A29 and swings, roll to be connected and to drive regulating arm 23 with roller B28 and swing in the side of lower swaying block 31, upper centering block 24 swings with regulating arm 23, the every rotation of cam 1 one week, upper centering block 24 swings once, the adjusting screw(rod) 20 that ejects on upper centering block 24 just clashes into rear push rod 17 once, rear push rod 17 stroke that travels forward together with front push rod 10, front push rod 10 withstands raw material, raw material enters charging hole, the part that its front end stretches out is cut.Now, cam 1 rotates, and upper centering block 24 swings, and ejects adjusting screw(rod) 20 and separates with rear push rod 17, and under the effect of back-moving spring 11, front push rod 10 moves backward, and the raw material of being cut carries out the action of moulding in moulding box 9.When the moulding in moulding box 9 has been moved, cam 1 rotates one week again, and upper centering block 24 swings once again, and front push rod 10 stroke that travels forward, push charging hole by raw material, successively do action.When running into while finally being cut remaining short material, under the pulling force effect of spring 15, front push rod 10 still can head on short material, prevents from that front push rod 10 from lagging behind to cause short material to fall into mold slots.In the process of using, stroke needs according to front push rod 10 liftouts, can regulate by tightening nut 26 upper-lower position of regulating arm 23, thereby the oscillating stroke of centering block 24 in adjusting, concrete operations are for to unclamp tightening nut 26, adopt ratchet spanner to twist the adjusting nut on adjusting screw(rod) 22, because adjusting screw(rod) 22 is fixedly connected with upper centering block 24, upper centering block 24 is hinged on bracing frame 2 by back shaft C again, so can regulate the upper-lower position of regulating arm 23 by adjusting screw(rod) 22, thereby regulate the oscillating stroke of upper centering block 24.
Claims (6)
1.
A kind of liftout servicing unit of cold headers, there is lathe bed, be provided with bracing frame in lathe bed, the bracing frame lower hinge has cam, and the cam left side is positioned on bracing frame and is hinged with lower swaying block mechanism, and lower swaying block mechanism is connected with cam drive, lower swaying block mechanism top is positioned on bracing frame and is hinged with swing-block mechamism, upper swing-block mechamism top is equipped with and is ejected adjusting screw(rod), and upper swing-block mechamism one side is equipped with governor motion, and governor motion is connected with the lower swaying block mechanism driving; Sleeve is equipped with at the bracing frame top, the sleeve left side is fitted with swivel nut, a push rod is housed in swivel nut and sleeve, the end of push rod is ejected adjusting screw(rod) and withstands, moulding box is equipped with in end over against sleeve on lathe bed, it is characterized in that: described swivel nut top is positioned on lathe bed is equipped with holder, and the push rod tail end is equipped with fixed cover, connecting screw rod is housed on fixed cover, between connecting screw rod and holder, spring is housed.
2.
The liftout servicing unit of a kind of cold headers according to claim 1 is characterized in that: have a cam path over against cam on support frame as described above, cam path top is positioned on bracing frame and has a cushion hole B.
3.
The liftout servicing unit of a kind of cold headers according to claim 2; it is characterized in that: described lower swaying block mechanism includes lower swaying block; lower swaying block is hinged on bracing frame by back shaft A, and the lower swaying block top is hinged with roller A by back shaft B, and roller A rolls and is connected with cam; Described upper swing-block mechamism includes the upper centering block that is the fork shape, and upper centering block is hinged on bracing frame by back shaft C, and upper centering block right side has a cushion hole A, and upper centering block top is equipped with and is ejected adjusting screw(rod); Described governor motion includes regulating arm, and cover plate is equipped with at the regulating arm top, and the regulating arm bottom-hinged has roller B, and roller B rolls and is connected with the side of lower swaying block.
4.
The liftout servicing unit of a kind of cold headers according to claim 3, it is characterized in that: the regulating arm of described governor motion is upper centering block one side that is sleeved on swing-block mechamism, upper centering block is fixedly connected with regulating arm by tightening nut, regulating arm can move up and down in upper centering block one side, and upper centering block one side be contained in regulating arm is equipped with adjusting screw(rod), adjusting screw(rod) one end stretches out cover plate, and the adjusting screw(rod) epimere is equipped with adjusting nut.
5.
The liftout servicing unit of a kind of cold headers according to claim 3 is characterized in that: between described cushion hole A and cushion hole B, buffer bar is housed, buffer spring is housed on buffer bar.
6.
The liftout servicing unit of a kind of cold headers according to claim 1, it is characterized in that: described push rod is comprised of front push rod and rear push rod, front push rod is contained in sleeve, rear push rod is contained in swivel nut, front push rod and rear push rod link together by joint, the tail end of rear push rod stretches out swivel nut and is pressing and ejects adjusting screw(rod), on front push rod, back-moving spring is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220205672 CN202639190U (en) | 2012-05-09 | 2012-05-09 | Ejection assisting device of cold header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220205672 CN202639190U (en) | 2012-05-09 | 2012-05-09 | Ejection assisting device of cold header |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202639190U true CN202639190U (en) | 2013-01-02 |
Family
ID=47408368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220205672 Expired - Fee Related CN202639190U (en) | 2012-05-09 | 2012-05-09 | Ejection assisting device of cold header |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202639190U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834340A (en) * | 2016-05-20 | 2016-08-10 | 张方洋 | Male mould ejection mechanism in cold header |
-
2012
- 2012-05-09 CN CN 201220205672 patent/CN202639190U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834340A (en) * | 2016-05-20 | 2016-08-10 | 张方洋 | Male mould ejection mechanism in cold header |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20150509 |
|
| EXPY | Termination of patent right or utility model |