CN105665570A - Ejection mechanism for reduced part on crank press machine - Google Patents
Ejection mechanism for reduced part on crank press machine Download PDFInfo
- Publication number
- CN105665570A CN105665570A CN201610218354.2A CN201610218354A CN105665570A CN 105665570 A CN105665570 A CN 105665570A CN 201610218354 A CN201610218354 A CN 201610218354A CN 105665570 A CN105665570 A CN 105665570A
- Authority
- CN
- China
- Prior art keywords
- head part
- thick stick
- crank press
- reducing
- bar
- 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.)
- Granted
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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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
Abstract
The invention provides an ejection mechanism for a reduced part on a crank press machine, relates to an ejection mechanism and aims at solving the problem that at present, no mechanism capable of ejecting the reduced part at the upper portion of a reducing die out of a die cavity after the upper end of a tubular object is reduced exists and inconvenience is brought to ejection of like parts formed by reducing steel pipes.An ejector rod is a cylinder provided with a flange in the middle and penetrates through a vertical-direction counter bored hole formed in the middle of a slide block on the crank press machine in a slidable mode, a reset spring is installed at the lower portion of the ejector rod in a sleeved mode, the upper end of the reset spring abuts against the lower end of a flange of the ejector rod, the upper end of the reset spring is clamped in the vertical-direction counter bored hole formed in the middle of the slide block, and the upper end of the ejector rod is in contact with ejector levers.The ejector levers are sleeved with ejector lever brackets, limiting blocks are installed at the upper ends of the ejector lever brackets through connecting pieces, and the upper ends of the limiting blocks of the ejector levers are connected with the crank press machine through bolts, nuts and gaskets.The ejection mechanism is used for ejection of the reduced part on the crank press machine.
Description
Technical field
The present invention relates to a kind of ejecting mechanism, be specifically related to a kind of ejecting mechanism of reducing part on crank press, belong to Machining Technology field.
Background technology
One part of certain product, form through reducing post-treatment with steel pipe, reducing operation needs to complete on crank press, after part reducing, there is one section of cylindrical section lower end, this section of diameter holds its shape constant, upper end edge axis vertical is cast aside as parabola shaped, necking end oral area internal diameter is approximately 30mm, parabolical all it is contained in necking die with a part for lower end cylindrical section, can not deviate from voluntarily, a kind of mechanism is needed to eject from the top down, for crank press except top shoe has a dnockout thick stick, it is not provided with the ejecting mechanism for various operations such as reducings, need according to operation needs, additionally configure a set of ejecting mechanism, the work of the complete cost procedure of ability. due to currently without can by after the reducing of tubular articles upper end, by reducing part above necking die from the mechanism ejected in mold cavity, bring inconvenience to the steel pipe this kind of part removal after reducing.
Summary of the invention
The invention aims to solve currently without can by after the reducing of tubular articles upper end, by reducing part above necking die from the mechanism ejected in mold cavity, to the problem that the steel pipe this kind of part removal after reducing brings inconvenience. And then a kind of ejecting mechanism of reducing part on crank press is provided.
The technical scheme is that a kind of on crank press the ejecting mechanism of reducing part include the compound push rod component of spring and hang head part thick stick, hang head part thick stick be arranged in the compound push rod component of spring,
The compound push rod component of spring includes head part bar, back-moving spring and head part thick stick; Head part bar is the middle cylinder with flange, head part bar can be slid through in the slide block center vertical direction counterbore on crank press, back-moving spring is sleeved on the bottom of head part bar, the flange lower end being located at head part bar is supported in the upper end of back-moving spring, the upper end of back-moving spring is stuck on the counterbore of slide block center vertical direction, and the upper end of head part bar contacts with head part thick stick;
Hang head part thick stick and include two groups of head part thick sticks, two groups of head part thick sticks are all sleeved on head part thick stick, often group head part thick stick all includes head part lever bracket frame, limited block, bolt, nuts and washers, head part lever bracket frame is channel-shaped carrier, head part lever bracket frame is enclosed within head part thick stick, limited block is arranged on the upper end of head part lever bracket frame by connector, and the limited block upper end often organizing head part thick stick is connected with crank press each through bolt, nuts and washers.
The present invention compared with prior art has the effect that
For reducing part, the lower end of head part bar can not be contained in mould reducing die cavity in reducing work process, if head part bar is contained in mould reducing die cavity in reducing work process, then head part bar is tightly contained in reducing place by reducing part, can not extract, more cannot be carried out head part work, therefore, head part bar should exit above mold cavity in reducing work process, after reducing has worked, head part bar is under the effect of head part thick stick, by downward for reducing part ejection die die cavity, head part bar should exit mold cavity afterwards, need spring upwards to be resetted by head part bar for this, reducing part ejecting mechanism on a kind of crank press of design accordingly. the ejecting mechanism of the present invention, under the effect of back-moving spring, makes head part bar automatically reset, it is possible to prevent head part bar from being choked by the workpiece after reducing, under the effect of whole mechanism, it is possible to the reducing part getting into necking die die cavity is from top to bottom ejected, it is prevented that reducing part squeezes in necking die die cavity, it is impossible to the generation of reducing work problem continuously, it is achieved workpiece reducing is smoothed out.
Present configuration is simple, it is simple to manufacture, with low cost.
Accompanying drawing explanation
Fig. 1 is reducing part ejecting mechanism front view on a kind of crank press; Fig. 2 is Fig. 1 left view; Fig. 3 is Fig. 1 top view; Fig. 4 is reducing part ejecting mechanism duty front view on a yeast inoculation crank press; Fig. 5 is 4 left views; Fig. 6 is spring return type push rod component front view; Fig. 7 is Fig. 6 left view; Fig. 8 hangs head part thick stick assembly front view; Fig. 9 is Fig. 8 left view; Figure 10 is Fig. 8 top view.
Detailed description of the invention
Detailed description of the invention one: illustrate that present embodiment, present embodiment include the compound push rod component of spring and hang head part thick stick in conjunction with Fig. 1 to Figure 10, hang head part thick stick and be arranged in the compound push rod component of spring,
The compound push rod component of spring includes head part bar 1-1, back-moving spring 1-2 and head part thick stick 1-3; Head part bar 1-1 is the middle cylinder with flange, head part bar 1-1 can be slid through in the slide block center vertical direction counterbore on crank press, back-moving spring 1-2 is sleeved on the bottom of head part bar 1-1, the flange lower end being located at head part bar 1-1 is supported in the upper end of back-moving spring 1-2, the upper end of back-moving spring 1-2 is stuck on the counterbore of slide block center vertical direction, and the upper end of head part bar 1-1 contacts with head part thick stick 1-3;
Hang head part thick stick and include two groups of head part thick sticks, two groups of head part thick sticks are all sleeved on head part thick stick 1-3, often group head part thick stick all includes head part lever bracket frame 2-1, limited block 2-2, bolt 2-3, nut 2-4 and packing ring 2-5, head part lever bracket frame 2-1 is channel-shaped carrier, head part lever bracket frame 2-1 is enclosed within head part thick stick 1-3, limited block 2-2 is arranged on the upper end of head part lever bracket frame 2-1 by connector, and the limited block 2-2 upper end often organizing head part thick stick is connected with crank press each through bolt 2-3, nut 2-4 and packing ring 2-5.
Detailed description of the invention two: present embodiment is described in conjunction with Fig. 1 to Fig. 7, the head part thick stick 1-3 of present embodiment is elongated cuboid.So arrange, it is simple to cooperate with head part lever bracket frame 2-1. Other composition is identical with detailed description of the invention one with annexation.
Detailed description of the invention three: present embodiment is described in conjunction with Figure 10, the limited block 2-2 of present embodiment is at the cylinder dihedral limited block of lateral surface symmetrical machining. So arrange, it is simple to by bolt, limited block 2-2 is arranged on head part lever bracket frame 2-1. Other composition is identical with detailed description of the invention two with annexation.
Detailed description of the invention four: present embodiment is described in conjunction with Fig. 1, the connector of present embodiment is bolt and connects. So arrange, easy to connect, it is simple to dismounting. Other composition is identical with detailed description of the invention three with annexation.
The spring return type push rod component push rod part 1-1 of present embodiment is designed as the middle cylinder with flange, lower end is used for head part, upper end contacts with head part thick stick 1-3, it is not connected to, the top of intermediate flange is used for lifting back-moving spring 1-2, push rod part 1-1 is placed in the counterbore of crank press top shoe center vertical direction together with back-moving spring 1-2, the lower end of back-moving spring 1-2 is stuck in slide block car hole, upper end is stuck in below the flange in the middle of head part bar 1-1, ensure head part bar 1-1 in a non-operative state, be in the top of necking die die cavity all the time; Head part thick stick 1-3 is designed as an elongated cube, middle part is placed in the oblong aperture that crank press top shoe is arranged in the horizontal direction, two ends are placed in the one-tenth flute profile mouth of head part lever bracket frame 2-1, and this flute profile mouth is the groove depth flute profile mouth much larger than groove width, it is used for placing head part thick stick 1-3 in flute profile mouth, also provides guiding and spacing for the lifting of head part thick stick 1-3 simultaneously;
Limited block 2-2 is for limiting the head part thick stick 1-3 extreme higher position moved upward.
On the crank press of present embodiment, reducing part ejecting mechanism realizes process:
The counterbore of crank press slide block vertical direction is that T-shaped communicates with the oblong aperture of horizontal direction, the upper surface of head part bar 1-1 contacts with the lower plane of head part thick stick 1-3, when reducing work starts, after crank press top shoe drives to downwards a certain position, head part thick stick 1-3 is held by head part lever bracket frame 2-1, makes head part thick stick 1-3 unsettled in the oblong aperture of crank press top shoe horizontal direction. now, the lower plane of the upper surface of head part bar 1-1 and head part thick stick 1-3 disengages, head part bar 1-1 is popped up by back-moving spring 1-2, head part bar 1-1 lower end is made to completely disengage from necking die die cavity, equipment slide block continues descending, until arrival bottom dead centre, complete reducing work, when after reducing end-of-job, the upwards backhaul of crank press slide block is behind a certain position, the upper plane of head part thick stick 1-3 contacts with the lower plane of limited block 2-2, head part thick stick 1-3 is made to stop at this position, head part thick stick 1-3 makes head part bar 1-1 stop moving upward, crank press top shoe drives necking die and reducing part to continue up, make the lower end of head part bar 1-1 and the upper-end contact of reducing part, until reducing part is ejected necking die die cavity, complete a cycle of operation.
Claims (4)
1. the ejecting mechanism of reducing part on crank press, it is characterised in that: it includes the compound push rod component of spring and hangs head part thick stick, hangs head part thick stick and is arranged in the compound push rod component of spring,
The compound push rod component of spring includes head part bar (1-1), back-moving spring (1-2) and head part thick stick (1-3); Head part bar (1-1) is the middle cylinder with flange, head part bar (1-1) can be slid through in the slide block center vertical direction counterbore on crank press, back-moving spring (1-2) is sleeved on the bottom of head part bar (1-1), the flange lower end being located at head part bar (1-1) is supported in the upper end of back-moving spring (1-2), the upper end of back-moving spring (1-2) is stuck on the counterbore of slide block center vertical direction, and the upper end of head part bar (1-1) contacts with head part thick stick (1-3);
Hang head part thick stick and include two groups of head part thick sticks, two groups of head part thick sticks are all sleeved on head part thick stick (1-3), often group head part thick stick all includes head part lever bracket frame (2-1), limited block (2-2), bolt (2-3), nut (2-4) and packing ring (2-5), head part lever bracket frame (2-1) is channel-shaped carrier, head part lever bracket frame (2-1) is enclosed within head part thick stick (1-3), limited block (2-2) is arranged on the upper end of head part lever bracket frame (2-1) by connector, often organize limited block (2-2) upper end of head part thick stick each through bolt (2-3), nut (2-4) and packing ring (2-5) are connected with crank press.
2. a kind of ejecting mechanism of reducing part on crank press according to claim 1, it is characterised in that: head part thick stick (1-3) is elongated cuboid.
3. a kind of ejecting mechanism of reducing part on crank press according to claim 2, it is characterised in that: limited block (2-2) is at the cylinder dihedral limited block of lateral surface symmetrical machining.
4. a kind of ejecting mechanism of reducing part on crank press according to claim 1, it is characterised in that: connector is bolt and connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610218354.2A CN105665570B (en) | 2016-04-11 | 2016-04-11 | A kind of ejecting mechanism for necking part on crank press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610218354.2A CN105665570B (en) | 2016-04-11 | 2016-04-11 | A kind of ejecting mechanism for necking part on crank press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105665570A true CN105665570A (en) | 2016-06-15 |
| CN105665570B CN105665570B (en) | 2017-12-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610218354.2A Active CN105665570B (en) | 2016-04-11 | 2016-04-11 | A kind of ejecting mechanism for necking part on crank press |
Country Status (1)
| Country | Link |
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| CN (1) | CN105665570B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51134367U (en) * | 1975-04-21 | 1976-10-29 | ||
| JPH0172916U (en) * | 1987-10-28 | 1989-05-17 | ||
| CN101670400A (en) * | 2009-09-24 | 2010-03-17 | 成都联创精密机械有限公司 | Combined necking die |
| CN202146965U (en) * | 2011-06-28 | 2012-02-22 | 昆山正大新成精密锻造有限公司 | Quick mechanical ejection device for forging and molding |
| CN203508824U (en) * | 2013-10-11 | 2014-04-02 | 浙江金马逊机械有限公司 | Stripping positioning device |
| CN203931334U (en) * | 2014-05-30 | 2014-11-05 | 西安理工大学 | A kind of combination stamping die teaching aid |
| CN205436876U (en) * | 2016-04-11 | 2016-08-10 | 哈尔滨建成集团有限公司 | A ejection mechanism for last throat piece of crank press |
-
2016
- 2016-04-11 CN CN201610218354.2A patent/CN105665570B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51134367U (en) * | 1975-04-21 | 1976-10-29 | ||
| JPH0172916U (en) * | 1987-10-28 | 1989-05-17 | ||
| CN101670400A (en) * | 2009-09-24 | 2010-03-17 | 成都联创精密机械有限公司 | Combined necking die |
| CN202146965U (en) * | 2011-06-28 | 2012-02-22 | 昆山正大新成精密锻造有限公司 | Quick mechanical ejection device for forging and molding |
| CN203508824U (en) * | 2013-10-11 | 2014-04-02 | 浙江金马逊机械有限公司 | Stripping positioning device |
| CN203931334U (en) * | 2014-05-30 | 2014-11-05 | 西安理工大学 | A kind of combination stamping die teaching aid |
| CN205436876U (en) * | 2016-04-11 | 2016-08-10 | 哈尔滨建成集团有限公司 | A ejection mechanism for last throat piece of crank press |
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| Publication number | Publication date |
|---|---|
| CN105665570B (en) | 2017-12-26 |
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