CN109332559A - The device of tension spring spring coil body outside tension spring is combined in a kind of production on lathe - Google Patents
The device of tension spring spring coil body outside tension spring is combined in a kind of production on lathe Download PDFInfo
- Publication number
- CN109332559A CN109332559A CN201811314429.2A CN201811314429A CN109332559A CN 109332559 A CN109332559 A CN 109332559A CN 201811314429 A CN201811314429 A CN 201811314429A CN 109332559 A CN109332559 A CN 109332559A
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- China
- Prior art keywords
- tension spring
- spring
- lathe
- axis body
- auxiliary section
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- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 230000007704 transition Effects 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000005266 casting Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 238000004804 winding Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F35/00—Making springs from wire
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
Abstract
The invention discloses a kind of to make the device for combining tension spring spring coil body outside tension spring on lathe, it can guarantee that the stress of made spring coil body is larger, after interior drag hook combo, it combines tension spring and has initial tension in need, and then power-displacement curve meets requirement, it is characterized in that: including mandrel；The mandrel includes the auxiliary section being linked in sequence, axis body, tapered shaft and transition connection portion, and the card-tight part axially extended by one end of auxiliary section towards axis body, three-jaw chuck cooperation on the outer end and lathe of the auxiliary section, the length of the axis body, diameter is corresponding with the internal diameter of spring coil body, the outer shape size of the tapered shaft is adapted with the geomery in the Conical Projectile spring coil portion of outer tension spring, the distance between the inner wall of the card-tight part and periphery of axis body are adapted with the gauge of wire for the spring coil body for making outer tension spring, the outer end of the transition connection portion is equipped with and the top matching hole matched of the thimble on lathe.
Description
Technical field
The present invention relates to the device of tension spring outside production combination tension spring, especially one kind to draw outside production combination tension spring on lathe
The device of spring spring coil body.
Background technique
In numerous tension springs, there is a kind of combination tension spring 100 as shown in Figures 1 to 3, the combination tension spring 100 include comprising
One end is the outer tension spring 101 for the spring coil body 1011 that Conical Projectile spring coil portion 1010, the other end are connected with drag hook I 1012 and comprising position
In the fan-shaped closure portion 1020 outside the end of the drag hook I 1012 of spring coil body 1011 and one end and fan in spring coil body 1011
The connection of Shape closed portion 1020, the other end stretch out in the interconnecting piece connecting outside the end in Conical Projectile spring coil portion 1010 and with drag hook II 1022
1021 interior drag hook 102, wherein drag hook I 1012 and drag hook II 1022 are symmetrical structure.In general, the outer drawing of the combination tension spring 100
Spring 101 is made of numerical control automatic spring winding machine, and the feeding of steel wire is executed by the idler wheel of numerical control automatic spring winding machine when winding, and is existed
The technical issues of be；Steel wire travels forward under idler wheel rotation, at numerical control automatic spring winding machine wind spring position by several ejections
With arcuate die guide it is lower complete rolling for spring coil body 1011, and by other ejection dies complete drag hook II 1022 bending and
Bending, the control of each ejection die are completed by curve cam mechanism；And in production spring coil body 1011 and drag hook II 1022
In the process, the feeding of steel wire is executed by the idler wheel on numerical control automatic spring winding machine；Such feeding mechanism cannot make
Apply certain tensile stress to steel wire during spring coil body 1011 and drag hook II 1022, causes the spring for combining tension spring 100
Circle body 1011 and II 1022 tensile stress of drag hook are smaller, and power-displacement curve is not able to satisfy requirement.
The fan-shaped closure portion 1020 of the interior drag hook 102 of the combination tension spring 100 is also to be made of numerical control automatic spring winding machine.So
And the production of numerical control automatic spring winding machine can only do the fan-shaped closure portion 1020 of interior drag hook 102 due to being limited by structure and function
At circular ring shape.Later, the entirety of interior drag hook 102 and fan-shaped closure portion 1020 also need to make together with the finished product of combination tension spring 100
Make.General procedure is, firstly, its fan-shaped closure portion 1020 after the production of numerical control automatic spring winding machine has been formed in circular ring shape
The steel wire of the other parts of drag hook 102 clips to the length of the sum of developed dimension of interconnecting piece 1021 and drag hook II 1022；Then,
Interconnecting piece 1021 corresponding to steel wire on aforementioned interior drag hook 102 is assemblied in the outer tension spring that numerical control automatic spring winding machine has been made
Among 101 spring coil body 1011, and the developed dimension part of its corresponding drag hook II 1022 is made to stretch out in spring coil body 1011
Conical Projectile spring coil portion 1010 except；Then, diameter rod iron compatible with the internal diameter of drag hook II 1022 is clamped in vice
On, and by hand by II 1022 part bending of drag hook corresponding to steel wire above-mentioned, then with copper hammer the bending part is carried out
It strikes and bends drag hook II 1022；Then, then with copper hammer strike the fan-shaped envelope that aforementioned drag hook II 1022 has formed circular ring shape
Closing part 1020, until interior drag hook 102 is made simultaneously and combination 100 finished product of tension spring is made simultaneously；Existing technical problem is；Group
The geomery for closing the fan-shaped closure portion 1020 of the interior drag hook 102 of tension spring 100 is influenced by producer's technical ability, and quality cannot have
Effect control, quality, qualification rate and working efficiency are lower, so that the qualification rate of combination 100 finished product of tension spring is relatively low, in use
Prescribed requirement is not achieved in pulling force.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of to make the device for combining tension spring spring coil body outside tension spring on lathe,
It can guarantee that the stress of made spring coil body is larger, and after interior drag hook combo, combination tension spring has initial tension in need,
And then power-displacement curve meets requirement.
In order to solve the above technical problems, the device of tension spring spring coil body outside tension spring is combined in the production of the invention on lathe,
It is characterized in that: including mandrel；
The mandrel includes auxiliary section, axis body, tapered shaft and the transition connection portion being linked in sequence, and by auxiliary section towards axis body
The axially extended card-tight part in one end, the three-jaw chuck cooperation on the outer end and lathe of the auxiliary section, the length of the axis body,
Diameter is corresponding with the internal diameter of spring coil body, the shape in the Conical Projectile spring coil portion of the outer shape size and outer tension spring of the tapered shaft
Shape size is adapted, the steel of the distance between periphery of the inner wall of the card-tight part and axis body and the spring coil body for making outer tension spring
The diameter of silk is adapted, and the outer end of the transition connection portion is equipped with and the top matching hole matched of the thimble on lathe.
Further, the mandrel is the one of the auxiliary section for including sequential connection, axis body, tapered shaft and transition connection portion
Formula structure.
Further, the mandrel uses mold casting and forming.
Further, the mandrel is the fission of the auxiliary section for including sequential connection, axis body, tapered shaft and transition connection portion
Formula structure.
Further, the right end of the auxiliary section of the mandrel and the left end of axis body releasably connect, the right end of the axis body
Detachably connected with the left end of tapered shaft, the right end of the tapered shaft and the left end of transition connection portion are detachably connected.
Further, the left end of the right end and axis body of the auxiliary section of the mandrel is releasably connected using screw thread, the axis
The right end of body and the left end of tapered shaft are detachably connected using screw thread, the right end of the tapered shaft and the left end of transition connection portion
It is detachably connected using screw thread.
The present invention includes following beneficial effect；
The present invention can be clamped and be withstood respectively auxiliary section on mandrel by three-jaw chuck on lathe and thimble and transition connects
Socket part；Then, the steel wire of tension spring outside production combination tension spring is stuck in the cooperation of mandrel in the one end for leaving production I part of drag hook in advance
Between the card-tight part and axis body in portion, the other end is clamped with the upper slide rest on lathe；Then, lathe is started, three-jaw chuck rotates simultaneously
Band moving mandrel rotates, and winds steel wire on the axis body and tapered shaft of mandrel and tension spring spring coil body outside combination tension spring is made.
It can be seen that the outer tension spring spring coil body of combination tension spring is in the production process, the feeding of steel wire is rotated by three-jaw chuck and drives core
Axis rotation, and pre- leave of the steel wire between the card-tight part and axis body for the auxiliary section for being stuck in mandrel is made to make I part of drag hook
It under the drive of one end, is wound on the axis body and tapered shaft of mandrel, what is be subject to is biggish winding pulling force, is then made
Spring coil body stress is larger, and after interior drag hook combo, combination tension spring has initial tension, and power-displacement curve is able to satisfy use and wants
It asks.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for combining tension spring；
Fig. 2 is the structural schematic diagram for combining the interior drag hook of tension spring；
Fig. 3 is the structural schematic diagram for combining the outer tension spring of tension spring；
Fig. 4 is structural schematic diagram of the invention；
Fig. 5 is local use state diagram of the invention.
Specific embodiment
It elaborates with reference to the accompanying drawing to the preferred embodiment of the present invention.
Referring to fig. 4 and the device of tension spring spring coil body outside tension spring, including core are combined in Fig. 5, the production of the invention on lathe
Axis 203；The mandrel 203 includes auxiliary section 2031, axis body 2030, tapered shaft 2032 and the transition connection portion being linked in sequence
2033, and the card-tight part 20310 axially extended by one end of auxiliary section 2031 towards axis body 2030, the auxiliary section 2031
Three-jaw chuck 204 on outer end and lathe cooperates, and the length of the axis body 2030, diameter are opposite with the internal diameter of spring coil body 1011
It answers, the geomery in the Conical Projectile spring coil portion 1010 of the outer shape size and outer tension spring of the tapered shaft 2032 is adapted, institute
State the steel of the distance between the inner wall of card-tight part 3020 and the periphery of axis body 2030 with the spring coil body 1011 for making outer tension spring 101
The diameter of silk is adapted, the outer end of the transition connection portion 2033 be equipped with the thimble 205 on lathe it is top match match
Close hole.So, the present invention can make the outer tension spring spring coil body of combination tension spring according to the following steps, referring to fig. 4 and Fig. 5；
Firstly, clamping the auxiliary section 2031 on mandrel 203 by the three-jaw chuck 204 on lathe, pass through the thimble 205 on lathe
Top and transition connection portion 2033 on matching hole withstand 203 transition connection portion 2033 of mandrel；
Then, pre- one end for leaving production I 1012 part of drag hook of the steel wire of tension spring 1011 outside production combination tension spring is stuck in core
Between the card-tight part 20310 and axis body 2030 of the auxiliary section 2031 of axis 203, and by the upper slide rest on the other end lathe of steel wire
It clamps；
Then, lathe is started, the rotation of three-jaw chuck 204 is simultaneously rotated with moving mandrel 203, and steel wire is made to be stuck in matching for mandrel 203
Under the drive of pre- one end for leaving production I 1012 part of drag hook between the card-tight part 20310 and axis body 2030 in conjunction portion 2031,
It is wound on the axis body 2030 and tapered shaft 2032 of mandrel 203 and the outer tension spring spring coil body of combination tension spring is made.
It can be seen from the above, in a preferred embodiment of the invention, combine the outer tension spring spring coil body of tension spring in the production process,
The feeding of steel wire is to be rotated by three-jaw chuck 204 and rotated with moving mandrel 203, and steel wire is made to be stuck in the auxiliary section of mandrel 203
Under the drive of pre- one end for leaving production I 1012 part of drag hook between 2031 card-tight part 20310 and axis body 2030, in mandrel
It winds and is made on 203 axis body 2030 and tapered shaft 2032, what is be subject to is biggish winding pulling force, the bullet being then made
1011 stress of spring coil body is larger, and after interior 102 combo of drag hook, combination tension spring 100 has initial tension, and power-displacement curve is able to satisfy
Requirement.
Referring to fig. 4, the mandrel 203 preferably comprises the auxiliary section 2031 of sequential connection, axis body 2030, tapered shaft 2032
With the integral structure of transition connection portion 2033.This is easy the relatively simple to manufacture of mandrel 203.For example, integral structure
Mandrel 203 preferably use mold casting and forming.Thus, the relatively simple to manufacture of the mandrel 203 of integral structure is easy.
The mandrel 203 can also preferably comprise the auxiliary section 2031 of sequential connection, axis body 2030,2032 and of tapered shaft
The split type structure of transition connection portion 2033.It is more convenient that this replaces the maintenance of mandrel 203.When a certain portion of mandrel 203
Point deformation or abrasion need repairing when replacing, can repair and replacement certain a part, without to entire mandrel 203 into
Row maintenance replacement.For example, since the card-tight part 20310 on auxiliary section 2031 is more elongated, the tension spring bullet outside production combination tension spring
Stress is larger during spring coil body and opposite other parts may be deformed first, and auxiliary section 2031 is caused to need repairing replacement.This
Sample, it is only necessary to maintenance replacement auxiliary section 2031.Then, the maintenance replacement of mandrel 203 is more convenient.
The right end of the auxiliary section 2031 of the mandrel 203 of the split type structure preferably releasably connects with the left end of axis body 2030
It connects, the right end of the axis body 2030 is preferably detachably connected with the left end of tapered shaft 2032, the right end of the tapered shaft 2032
It is preferred that detachably connected with the left end of transition connection portion 2033.The maintenance replacement of mandrel 203 is more convenient.
The right end of the auxiliary section 2031 of the split type structure preferably uses screw thread releasably with the left end of axis body 2030
Connection, the right end of the axis body 2030 preferably use screw thread detachably connected with the left end of tapered shaft 2032, the tapered shaft
2032 right end is preferably detachably connected using screw thread with the left end of transition connection portion 2033.This makes the core of split type structure
It is detachably connected relatively simple for structure between 203 various pieces of axis.
The preferred embodiment of the present invention is elaborated above in conjunction with attached drawing, but the present invention is not limited to above-mentioned
Embodiment, skilled artisan within the scope of knowledge, present inventive concept can also not departed from
Under the premise of various changes can be made.
Claims (6)
1. the device of tension spring spring coil body outside tension spring is combined in a kind of production on lathe, it is characterized in that: including mandrel；
The mandrel includes auxiliary section, axis body, tapered shaft and the transition connection portion being linked in sequence, and by auxiliary section towards axis body
The axially extended card-tight part in one end, the three-jaw chuck cooperation on the outer end and lathe of the auxiliary section, the length of the axis body,
Diameter is corresponding with the internal diameter of spring coil body, the shape in the Conical Projectile spring coil portion of the outer shape size and outer tension spring of the tapered shaft
Shape size is adapted, the steel of the distance between periphery of the inner wall of the card-tight part and axis body and the spring coil body for making outer tension spring
The diameter of silk is adapted, and the outer end of the transition connection portion is equipped with and the top matching hole matched of the thimble on lathe.
2. the device of tension spring spring coil body outside combination tension spring is made on lathe as described in claim 1, it is characterized in that: described
Mandrel is the integral structure of the auxiliary section for including sequential connection, axis body, tapered shaft and transition connection portion.
3. the device of tension spring spring coil body outside combination tension spring is made on lathe as claimed in claim 2, it is characterized in that: described
Mandrel uses mold casting and forming.
4. the device of tension spring spring coil body outside combination tension spring is made on lathe as described in claim 1, it is characterized in that: described
Mandrel is the split type structure of the auxiliary section for including sequential connection, axis body, tapered shaft and transition connection portion.
5. the device of tension spring spring coil body outside combination tension spring is made on lathe as claimed in claim 4, it is characterized in that: described
The right end of the auxiliary section of mandrel and the left end of axis body releasably connect, and the left end of the right end of the axis body and tapered shaft is removably
Connection, the right end of the tapered shaft and the left end of transition connection portion are detachably connected.
6. the device of tension spring spring coil body outside combination tension spring is made on lathe as claimed in claim 5, it is characterized in that: described
The right end of the auxiliary section of mandrel and the left end of axis body are releasably connected using screw thread, the right end of the axis body and the left end of tapered shaft
Detachably connected using screw thread, the right end of the tapered shaft and the left end of transition connection portion are detachably connected using screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811314429.2A CN109332559A (en) | 2018-11-06 | 2018-11-06 | The device of tension spring spring coil body outside tension spring is combined in a kind of production on lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811314429.2A CN109332559A (en) | 2018-11-06 | 2018-11-06 | The device of tension spring spring coil body outside tension spring is combined in a kind of production on lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109332559A true CN109332559A (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811314429.2A Pending CN109332559A (en) | 2018-11-06 | 2018-11-06 | The device of tension spring spring coil body outside tension spring is combined in a kind of production on lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109332559A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2644352A1 (en) * | 1976-10-01 | 1978-04-06 | Spuehl Ag | COIL SPRING MACHINE |
| CN2757967Y (en) * | 2004-12-30 | 2006-02-15 | 黄礼春 | Coiling mould of conjoined tension spring |
| CN203076501U (en) * | 2012-12-31 | 2013-07-24 | 浙江浦江缆索有限公司 | Large spring forming device |
| CN105921649A (en) * | 2016-06-22 | 2016-09-07 | 山西平阳重工机械有限责任公司 | Preparation method of high-precision high-temperature alloy spring |
| CN108723263A (en) * | 2018-06-16 | 2018-11-02 | 南京溧水丽华弹簧厂 | A kind of hot coiling spring machine for large spring production |
| CN209110072U (en) * | 2018-11-06 | 2019-07-16 | 重庆望江工业有限公司 | The tool of tension spring spring coil body outside tension spring is combined in a kind of production on lathe |
-
2018
- 2018-11-06 CN CN201811314429.2A patent/CN109332559A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2644352A1 (en) * | 1976-10-01 | 1978-04-06 | Spuehl Ag | COIL SPRING MACHINE |
| CN2757967Y (en) * | 2004-12-30 | 2006-02-15 | 黄礼春 | Coiling mould of conjoined tension spring |
| CN203076501U (en) * | 2012-12-31 | 2013-07-24 | 浙江浦江缆索有限公司 | Large spring forming device |
| CN105921649A (en) * | 2016-06-22 | 2016-09-07 | 山西平阳重工机械有限责任公司 | Preparation method of high-precision high-temperature alloy spring |
| CN108723263A (en) * | 2018-06-16 | 2018-11-02 | 南京溧水丽华弹簧厂 | A kind of hot coiling spring machine for large spring production |
| CN209110072U (en) * | 2018-11-06 | 2019-07-16 | 重庆望江工业有限公司 | The tool of tension spring spring coil body outside tension spring is combined in a kind of production on lathe |
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| PB01 | Publication | ||
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Application publication date: 20190215 |