CN201235391Y - Hydraulic pole-shortening machine - Google Patents
Hydraulic pole-shortening machine Download PDFInfo
- Publication number
- CN201235391Y CN201235391Y CNU2008200398358U CN200820039835U CN201235391Y CN 201235391 Y CN201235391 Y CN 201235391Y CN U2008200398358 U CNU2008200398358 U CN U2008200398358U CN 200820039835 U CN200820039835 U CN 200820039835U CN 201235391 Y CN201235391 Y CN 201235391Y
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- China
- Prior art keywords
- die
- seat board
- bar
- oil cylinder
- die holder
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- 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 - Lifetime
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Abstract
The utility model provides a hydraulic pressure rod shrinking machine, wherein an oil cylinder riser plate, a middle riser plate and a die riser plate are arranged on a stand frame, a movable draw-bar riser plate is arranged between the oil cylinder riser plate and the middle riser plate, a movable push-out draw-bar carrier is arranged on the external side of the die riser plate, the push-out draw-bar carrier is connected with a draw-bar riser plate through the draw bar, the oil cylinder is fixed on the oil cylinder riser plate, a piston rod of the oil cylinder is traversed through the oil cylinder riser plate, the piston rod is connected with a guide post, the guide post is traversed through the draw-bar riser plate and the middle riser plate, the guide post is linked with the draw-bar riser plate, a die is arranged on the top of the guide post, a die seat is fixed on the die riser plate, a shrinking rod die, a connecting die, a guide sleeve and a feeding sleeve which are orderly arranged in the die seat, a groove locking cap is screwed on the top end of the die seat and tightly fastens the shrinking rod die, the connecting die, the guide sleeve and the feeding sleeve, a die-cushion is inserted in a central hole of the die riser plate, an ejector pin is inserted into the die-cushion, and the ejector pin is connected with the draw-bar carrier through the ejector pin seat. The hydraulic pressure rod shrinking machine can be used for reducing manufacturing of double end studs which have big diameter in small batch.
Description
Technical field
The utility model relates to a kind of hydraulic rod reducing machine, is used for the undergauge processing of bolt, double-screw bolt and round steel to all size.
Background technology
The production technology of plain bolt is upset from heat and is molded into thread rolling and finishes, generally will be through overheated rammer, cut the cap overlap, the bar that contracts, thread rolling four procedures.
Existing bolt screw rod undergauge mould generally connects mould, mould push rod, mould push rod lasso, counterdie seat cushion, back push rod, back push rod lasso, back push rod guide pin bushing by die shoe, reducing die, reducing die and upper and lower and cap is formed.Because the thread billet dia bar portion diameter of bolt is less than the aperture of the bar portion reducing die of screw rod undergauge process mould, can not keep bar portion vertical when making the bolt shank undergauge with horizontal direction, in the process of undergauge, can produce and rock the bending of formation bar portion, can not normally finish bar portion undergauge operation.
Chinese patent 03277880.5 discloses a kind of hex bolts screw rod undergauge mould, reducing die, positioning module component and reducing die connect mould and pack into successively from top to bottom in the die shoe, die shoe is spun on counterdie seat cushion upper end, going up also, cap is spun on the die shoe top, mould push rod lasso and back push rod lasso place in the counterdie seat cushion, mould push rod lower end is inserted in the mould push rod lasso, the upper end is inserted in reducing die and connects the mould center, back push rod guide pin bushing is spun in the screw of counterdie seat cushion bottom, also cap is spun on the push rod guide pin bushing of back down, back push rod is inserted in the push rod guide pin bushing of back, and its front end is inserted in the push rod lasso of back.During operation, the screw thread undergauge bar portion of the hex bolts that will be finished by last process inserts in the positioning module component by the die cavity of reducing die, makes bar portion keep vertical with horizontal direction; Degree from certain, though can not form the bending of bar portion can guarantee bar portion undergauge the time,, can't be used for the studs product of production major diameter, small lot.
Therefore, at basic, normal, high carbon steel and stainless steel double end major diameter double-screw bolt product, design a kind ofly not only saved time, laborsaving, but also the undergauge equipment of economical with materials, be necessary very much.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, and a kind of new type hydraulic rod reducing machine is provided, and is intended to effectively improve the quality of products, and reduces production costs, and can be used for producing large diameter studs product.
The purpose of this utility model is achieved through the following technical solutions:
Hydraulic rod reducing machine, comprise the undergauge mould, characteristics are: be fixed with oil cylinder seat board, middle seat board and die holder plate on frame successively, between oil cylinder seat board and middle seat board, be provided with mobilizable pull bar seat board, arranged outside at the die holder plate has mobilizable draw-bar carrier that ejects, eject draw-bar carrier and be connected with the pull bar seat board by pull bar, pull bar passes die holder plate and middle seat board; Oil cylinder is fixed on the oil cylinder seat board, and the piston rod of oil cylinder passes the oil cylinder seat board, and piston rod connects guide pillar, and guide pillar passes pull bar seat board and middle seat board, and guide pillar also locks mutually with the pull bar seat board; Described undergauge mould comprises pressing mold, die holder, the bar mould that contracts, connect mould, guide sleeve, charging cover and die locking cap, pressing mold is installed in the top of guide pillar, die holder is fixed on the die holder plate, contract the bar mould, connect mould, guide sleeve and charging cover and pack into successively in the die holder, the die locking cap) top that is spun on die holder will contract the bar mould, connect mould, guide sleeve and charging cover and tight, die-cushion is inserted in the centre bore of die holder plate, thimble is inserted in the die-cushion, thimble links to each other with draw-bar carrier by thimble seat, is equipped with to connect cover on thimble seat; In addition, be provided with slidably work support on the frame and between middle seat board and die holder plate.
Further, above-mentioned hydraulic rod reducing machine, the described bar mould that contracts is made by inside and outside two-layer material, and wherein, the internal layer material is YG20C, and outer material is 60Si
2Mn.
Further, above-mentioned hydraulic rod reducing machine, the described draw-bar carrier that ejects is connected with the pull bar seat board by right pull bar and left lever, and wherein, left lever is slidingly connected by fairlead and middle seat board, and right pull bar cooperates with the die holder sheet separation.
Again further, above-mentioned hydraulic rod reducing machine is connected with left extension bar between oil cylinder seat board and middle seat board, be connected with right extension bar between middle seat board and die holder plate.
The substantive distinguishing features of technical solutions of the utility model and progressive being mainly reflected in:
Unique, the novel structure of the utility model design, can better satisfy the processing request of major diameter, small lot studs product, can reduce production costs greatly and management cost, increase economic efficiency, every about 0.2Kg of double-screw bolt economical with materials, and can also improve double-screw bolt intensity about 30%～80%, significantly improve product quality, the function brilliance, production efficiency is higher, and it is very convenient to use, economic benefit and social effect are very obvious, be widely used in the undergauge production of basic, normal, high carbon steel and stainless steel studs, be worth in industry applying, application prospect is good.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1: the utility model rod reducing machine contour structures schematic diagram;
Fig. 2: the utility model rod reducing machine dissects structural representation.
The implication of each Reference numeral sees the following form among the figure:
| Reference numeral | Implication | Reference numeral | Implication | | Implication | |
| 1 | |
2 | Oil cylinder | 3 | |
|
| 4 | The oil |
5 | Left side extension bar | 6 | Piston rod | |
| 7 | The pull |
8 | |
9 | |
|
| 10 | |
11 | |
12 | |
|
| 13 | |
14 | |
15 | The die |
|
| 16 | The |
17 | |
18 | Connect |
|
| 19 | The |
20 | Die |
21 | The die |
|
| 22 | Die- |
23 | |
24 | |
|
| 25 | Connect |
26 | Eject draw-bar carrier |
The specific embodiment
As shown in Figure 1 and Figure 2, hydraulic rod reducing machine, comprise electric cabinet, hydraulic system 1, oil cylinder 2 and undergauge mould, on frame 3, be fixed with oil cylinder seat board 4, middle seat board 10 and die holder plate 21 successively, between oil cylinder seat board 4 and middle seat board 10, be provided with mobilizable pull bar seat board 7, arranged outside at die holder plate 21 has mobilizable draw-bar carrier 26 that ejects, ejecting draw-bar carrier 26 is connected with pull bar seat board 7 by right pull bar 13 and left lever 8, left lever 8 is slidingly connected by fairlead and middle seat board 10, right pull bar 13 and die holder plate 21 matched in clearance; Between oil cylinder seat board 4 and middle seat board 10, be connected with left extension bar 5, between middle seat board 10 and die holder plate 21, be connected with right extension bar 11.Oil cylinder 2 is fixed on the oil cylinder seat board 4, and the pipeline of oil cylinder 2 inserts hydraulic system 1, and the piston rod 6 of oil cylinder passes oil cylinder seat board 4, and piston rod 6 connects guide pillars 9, and guide pillar 9 passes pull bar seat board 7 and middle seat board 10, and guide pillar 9 also locks mutually with pull bar seat board 7; Described undergauge mould comprises pressing mold 12, die holder 20, the bar mould 19 that contracts, connect mould 18, guide sleeve 17, charging cover 16 and die locking cap 15, pressing mold 12 is installed in the top of guide pillar 9, die holder 20 is fixed on the die holder plate 21, contract bar mould 19, connect mould 18, guide sleeve 17 and charging cover 16 and pack into successively in the die holder 20, the top that die locking cap 15 is spun on die holder 20 will contract bar mould 19, connect mould 18, guide sleeve 17 and charging cover 16 and tight, the bar mould 19 that contracts is made by inside and outside two-layer material, wherein, the internal layer material is YG20C, and outer material is 60Si
2Mn.Die-cushion 22 is inserted in the centre bore of die holder plate 21, and thimble 23 is inserted in the die-cushion 22, and thimble 23 links to each other with draw-bar carrier 26 by thimble seat 24, is equipped with to connect cover 25 on thimble seat 24; In addition, be provided with slidably work support 14 on the frame 3 and between middle seat board 10 and die holder plate 21.
When concrete operations are used, at first with work rest to be processed on work support 14, the motor of primer fluid pressing system, master cock, make the electro-hydraulic reversing valve commutation of hydraulic system, piston rod 6 driving guide pillars 9 by oil cylinder make pressing mold 12 to the bar mould 19 directions motion of contracting, simultaneously, guide pillar 9 also drives pull bar seat board 7 and moves forward and make and eject draw-bar carrier 26 away from die holder plate 21, thimble 23 is extracted out from die-cushion 22, and pressing mold 12 promotes workpiece and sends in the die holder 20, stops after moving to desired location, make the workpiece undergauge this moment, finishes undergauge processing.After undergauge processes, piston rod 6 withdrawals, guide pillar 9 drives pressing mold 12 and leaves the bar mould that contracts, simultaneously, it is moving and make and eject draw-bar carrier 26 near die holder plates 21 to travelling backwards that guide pillar 9 also drives pull bar seat board 7, and thimble 23 is inserted in the die-cushions 22, the workpiece that processes is ejected from the undergauge mould, take out workpiece.Feed motion and return original position and control required stroke by two travel switches.Be used to add man-hour, its pole length scope that contracts is at 200mm～1000mm, and the shank diameter scope that contracts can be at ∮ 30mm～∮ 42mm.Be widely used in bolt, double-screw bolt and the round steel of producing all size.
In addition, be noted that the start before to add No. 46 antiwear hydraulic oils earlier to liquid level gauge height about 90%, then the integrated package joint is tightened, oil pipe is connected respectively finishes, at last Hydraulic Station and oil cylinder are connected.Whether the wiring work of motor, current valve and electromagnetic relief valve of checking is finished, and then with electric cabinet wiring and power connection, the lubricating cup before the start on the middle seat board must be filled it up with machine oil, regularly refuels in per 4 hours.Also have, regulate the length of rod reducing machine before the start, make with double-screw bolt length to meet, the distance of adjusting left and right sides travel switch makes and the length of the double-screw bolt diameter shrinkage part of processing meets.Starter motor from motor blower fan, should be clockwise direction and rotates, and notices that inhour can the damage oil pump.The pedal control switch makes the electro-hydraulic reversing valve commutation, promotes to stop after oil cylinder moves to desired location forward, returns original position (controlling required stroke by two travel switches) automatically.After oil cylinder runs to the end or is subjected to load, note observing Pressure gauge, regulate the handle (determining different pressures) of magnetic valve at leisure according to the real work required thrust, when the pointer on the Pressure gauge faces toward required pressure, stop to regulate fastening screw nut.Regulate the regulating handle at one-way throttle valve two ends, can make oil cylinder reach required operating rate.When quitting work shutdown, the control button of pressing motor gets final product.
In the regular maintenance, according to job requirement, rationally the operating pressure of regulator solution pressing system is made regular check on pipe joint, prevents to become flexible, use (looking operating frequency) replaceable fluid about half a year approximately, simultaneously oil filter can be pulled down, more behind the renew cartridge, use can be loaded onto again, make regular check on contract bar mould and guide sleeve, prevent the influence of dimensional variations the double-screw bolt quality.
In sum, the utility model design is unique, novel structure, can be used for low, in, high-carbon steel and stainless steel studs undergauge are produced, especially be fit to the processing major diameter, the studs product of small lot, can reduce production costs greatly and management cost, increase economic efficiency, according to every about 0.2Kg of double-screw bolt energy economical with materials of measuring and calculating, can save about 1.4～5 yuan of RMB by different materials, and can improve double-screw bolt intensity about 30%～80%, significantly improve product quality, the function brilliance, production efficiency is higher, and is easy to use, economic benefit and social effect are very obvious, are worth wide popularization and application in industry.
Below only be concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the utility model rights protection scope.
Claims (4)
1. hydraulic rod reducing machine, comprise the undergauge mould, it is characterized in that: on frame (3), be fixed with oil cylinder seat board (4), middle seat board (10) and die holder plate (21) successively, between oil cylinder seat board (4) and middle seat board (10), be provided with mobilizable pull bar seat board (7), arranged outside at die holder plate (21) has mobilizable draw-bar carrier (26) that ejects, eject draw-bar carrier (26) and be connected with pull bar seat board (7) by pull bar, pull bar passes die holder plate (21) and middle seat board (10); Oil cylinder (2) is fixed on the oil cylinder seat board (4), and the piston rod of oil cylinder (6) passes oil cylinder seat board (4), and piston rod (6) connects guide pillar (9), and guide pillar (9) passes pull bar seat board (7) and middle seat board (10), and guide pillar (9) also locks mutually with pull bar seat board (7); Described undergauge mould comprises pressing mold (12), die holder (20), bar mould (19) contracts, connect mould (18), guide sleeve (17), charging cover (16) and die locking cap (15), pressing mold (12) is installed in the top of guide pillar (9), die holder (20) is fixed on the die holder plate (21), bar mould (19) contracts, connect mould (18), guide sleeve (17) and charging cover (16) are packed in the die holder (20) successively, bar mould (19) will contract on the top that die locking cap (15) is spun on die holder (20), connect mould (18), guide sleeve (17) and charging cover (16) are also tight, die-cushion (22) is inserted in the centre bore of die holder plate (21), thimble (23) is inserted in the die-cushion (22), thimble (23) links to each other with draw-bar carrier (26) by thimble seat (24), is equipped with on thimble seat (24) and connects cover (25); In addition, in the middle of going up and be positioned at, frame (3) is provided with slidably work support (14) between seat board (10) and the die holder plate (21).
2. hydraulic rod reducing machine according to claim 1 is characterized in that: the described bar mould (19) that contracts is made by inside and outside two-layer material, and wherein, the internal layer material is YG20C, and outer material is 60Si
2Mn.
3. hydraulic rod reducing machine according to claim 1, it is characterized in that: the described draw-bar carrier (26) that ejects is connected with pull bar seat board (7) by right pull bar (13) and left lever (8), wherein, left lever (8) is slidingly connected by fairlead and middle seat board (10), right pull bar (13) and die holder plate (21) matched in clearance.
4. hydraulic rod reducing machine according to claim 1 is characterized in that: be connected with left extension bar (5) between oil cylinder seat board (4) and middle seat board (10), be connected with right extension bar (11) between middle seat board (10) and die holder plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200398358U CN201235391Y (en) | 2008-07-02 | 2008-07-02 | Hydraulic pole-shortening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200398358U CN201235391Y (en) | 2008-07-02 | 2008-07-02 | Hydraulic pole-shortening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201235391Y true CN201235391Y (en) | 2009-05-13 |
Family
ID=40648128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200398358U Expired - Lifetime CN201235391Y (en) | 2008-07-02 | 2008-07-02 | Hydraulic pole-shortening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201235391Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618424B (en) * | 2008-07-02 | 2011-08-17 | 苏州鑫燃机械有限公司 | Hydraulic rod reducing machine |
| CN104368713A (en) * | 2013-08-17 | 2015-02-25 | 李明军 | Full-automatic double-station reducing machine tool |
-
2008
- 2008-07-02 CN CNU2008200398358U patent/CN201235391Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618424B (en) * | 2008-07-02 | 2011-08-17 | 苏州鑫燃机械有限公司 | Hydraulic rod reducing machine |
| CN104368713A (en) * | 2013-08-17 | 2015-02-25 | 李明军 | Full-automatic double-station reducing machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090513 Effective date of abandoning: 20080702 |