CN111112517A - One-step forming method for twisting and winding multi-strand cylindrical spiral spring steel cable with core strand - Google Patents
One-step forming method for twisting and winding multi-strand cylindrical spiral spring steel cable with core strand Download PDFInfo
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- CN111112517A CN111112517A CN201911405659.4A CN201911405659A CN111112517A CN 111112517 A CN111112517 A CN 111112517A CN 201911405659 A CN201911405659 A CN 201911405659A CN 111112517 A CN111112517 A CN 111112517A
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- wire
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- 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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Abstract
The invention discloses a one-step forming method for twisting and winding a cored strand multi-strand cylindrical spiral spring steel cable, which comprises the following steps: rolling the steel wire to a first wire box and a second wire box and fixing the steel wire on a first support and a second support respectively; the steel wire in the second wire box penetrates through the central hole of the support shaft, the steel wire in the first wire box penetrates through the sleeve and enters the central hole of the support shaft, the steel wires penetrate out through the wire outlet after being combined, and the end head of the combined steel wire is fixed on the fixing sleeve of the winding core shaft; the main shaft drives the fixed sleeve to rotate, and a steel wire is drawn out from a wire outlet fixed on the tool rest; meanwhile, the support shaft rotates to screw the steel wire drawn out of the first wire box and the steel wire drawn out of the second wire box into a steel cable, so that the manufacture of the steel cable is realized; the first bracket, the second bracket and the transmission mechanism thereof are fixed on a large support plate of the lathe and move transversely along with the large support plate 1, and the steel cable forms a multi-strand spring on the winding mandrel. The invention can ensure that the core strand multi-strand cylindrical helical spring is twisted into the steel cable and wound with the spring to be formed at one time.
Description
Technical Field
The invention relates to a production method of a cored strand multi-strand cylindrical helical spring, in particular to a one-step forming method for twisting and winding a cored strand multi-strand cylindrical helical spring steel cable.
Background
Fig. 1 is a schematic view showing the structure of a prior art cored stranded cylindrical coil spring.
The core strand multi-strand cylindrical spiral spring is commonly used in automatic machines with large bearing capacity and high movement speed. It is often used as a recoil spring in military products such as large caliber, high firing rate automatic weapons (e.g., high-fire machine guns and aviation auto guns). The current weapon is developed towards a light weapon, and a multi-strand spring is coiled by a small carbon steel wire, so that the weapon is small in size, high in strength and large in bearing capacity, and is the development direction of a recoil and damping spring in future weapons.
At present, the same domestic production and processing of multi-strand cylindrical helical springs still adopts a processing method that a steel cable is firstly twisted by a lather, the cable diameter and the cable distance of the steel cable are controlled, and then the spring is wound. The process of twisting the steel cable is limited by a machine tool and a tool, the long steel cable is twisted by sections, the distance and the diameter uniformity of the twisted steel cable are poor, the tightening force among the steel cables is inconsistent, the twisted steel cable is easy to loosen, the method only can be used for rolling the coreless strand steel cable and twisting the cored strand steel cable, the tightening force between the core part steel cable and the surrounding steel wires cannot be ensured, the steel cables are twisted by adopting a self-made wire-discharging device, the uniformity of the steel wires is poor, the quality of parts after being wound is unstable, and the qualified rate of the parts is low.
Disclosure of Invention
The technical problem solved by the invention is to provide a method for twisting and winding a cored strand multi-strand cylindrical helical spring steel cable for one-time forming, which can ensure that the cored strand multi-strand cylindrical helical spring is wound and formed for one time and solve the problem that the performance of the cored strand multi-strand cylindrical helical spring is influenced by twisting the steel cable by a lather, controlling the cable diameter and cable distance of the steel cable and then winding the steel cable.
The technical scheme is as follows:
a one-step forming method for twisting and winding a core strand multi-strand cylindrical spiral spring steel cable comprises the following steps:
rolling the steel wire to a first wire box and a second wire box, wherein the first wire box and the second wire box are respectively fixed on a first bracket and a second bracket through bolts;
the steel wire in the second wire box penetrates through the central hole of the support shaft, the steel wire in the first wire box penetrates through the sleeve and enters the central hole of the support shaft, the steel wires penetrate out through the wire outlet after being combined, and the end head of the combined steel wire is fixed on the fixing sleeve of the winding core shaft;
the main shaft drives the fixed sleeve to rotate, and a steel wire is drawn out from a wire outlet fixed on the tool rest; meanwhile, the support shaft rotates to screw the steel wire drawn out of the first wire box and the steel wire drawn out of the second wire box into a steel cable, so that the manufacture of the steel cable is realized;
the first bracket, the second bracket and the transmission mechanism thereof are fixed on a large support plate of the lathe and move transversely along with the large support plate 1, and the steel cable forms a multi-strand spring on the winding mandrel.
Further, the lay length of the multi-strand spring is adjusted through the transmission ratio of a gear-engaging mechanism in the gear box, and different leads are obtained through adjusting the feeding amount of the lathe.
Further, 1 steel wire in the second wire box penetrates through a center hole of the support shaft, and 5 steel wires in the first wire box penetrate through the sleeve and enter the center hole of the support shaft; 5 steel wires drawn out of the first wire box and 1 steel wire drawn out of the second wire box are twisted into a steel cable, so that the manufacture of the steel cable is realized.
The invention has the technical effects that:
the invention can ensure that the core strand multi-strand cylindrical helical spring steel cable is twisted and formed by winding the spring at one time, and solves the problem that the performance of the core strand multi-strand cylindrical helical spring is influenced by winding the steel cable by a lather firstly to control the cable diameter and the cable distance of the steel cable and then winding.
Drawings
Fig. 1 is a schematic view of a prior art cored stranded cylindrical coil spring.
FIG. 2 is a schematic view of a single-step forming method for twisting and winding a cored strand multi-strand cylindrical coil spring steel cord according to the present invention.
Detailed Description
The following description sufficiently illustrates specific embodiments of the invention to enable those skilled in the art to practice and reproduce it.
Fig. 1 is a schematic view showing the structure of a prior art cored stranded cylindrical coil spring. As shown in FIG. 2, the method for twisting and winding a multi-strand cylindrical coil spring steel cable with a core strand according to the present invention is illustrated in a schematic manner.
The one-step forming method for twisting and winding the cored strand multi-strand cylindrical spiral spring steel cable specifically comprises the following steps:
step 1: the steel wire is rolled to a first wire box 13 and a second wire box 16, so that the steel wire can be freely pulled out; the first wire box 13 and the second wire box 16 are respectively fixed on the first bracket 14 and the second bracket 15 by bolts;
the steel wires are coiled in a wire box on a special tool, so that the requirement that multiple strands of steel wires are fed simultaneously without interference is met.
Step 2: 1 steel wire in the second wire box 16 passes through the central hole of the support shaft 9, 5 steel wires in the first wire box 13 pass through the sleeve 12 and enter the central hole of the support shaft 9, the steel wires are combined and then pass out through the wire outlet 3, and the end of the combined steel wire is fixed on the fixed sleeve 5 of the winding core shaft 4;
and step 3: the main shaft 6 drives the fixed sleeve 5 to rotate, and a steel wire is drawn out from a wire outlet 3 fixed on the tool rest 2; meanwhile, the bracket shaft 9 rotates to screw six steel wires, namely 5 steel wires extracted from the first wire box 13 and 1 steel wire extracted from the second wire box 16 into a steel cable, so that the manufacture of the steel cable is realized;
and 4, step 4: the first bracket 14, the second bracket 15 and the transmission mechanism thereof are fixed on the large support plate 1 of the lathe, and move transversely along with the large support plate 1, and the steel cable forms a multi-strand spring on the winding mandrel 4.
Connecting a multi-strand cylindrical spiral spring steel cable twisting tool with a lathe through a guide rod, so that the steel cable twisting and the spring winding are synchronously carried out; through the mutual matching of the parts, the one-step winding forming of the parts is ensured.
The lay length of the multi-strand spring is adjusted through the transmission ratio of the gear wheel mechanism 10 in the gear box, different lead lengths can be obtained through adjusting the feeding amount of the lathe, finally, the technical parameters of the multi-strand spring meet the technical requirements, and parts are wound into different pitches. The replacement is simple and convenient, the operation is easy, and simultaneously, the twisting of the steel cable and the forming of the spring are completed at one time, so that the winding of the spring with the core strand with different twisting pitches is completed.
Taking a multi-strand cylindrical spiral spring with a core strand made of a material with a diameter D of 27.5mm, a pitch T of 20mm, a height H of 700 +/-5 mm, a cable warp of 5.4mm and a cable distance of 19mm, a material D of 1.8mm, and T9A as an example; 39 single tooth, 30 tooth in the double tooth, 34 tooth of external tooth, the coiling performance detected value is: dc is 5.4mm, tc is 19mm, t is 20mm, H0 is 675mm, D2 is 27.5-28.5, P1 is 310N, P2 is 1750N, the sample column freely passes through the sample column, and the sample loop passes through the parts.
It should be understood that the above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and the present invention should be covered thereby. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (3)
1. A one-step forming method for twisting and winding a core strand multi-strand cylindrical spiral spring steel cable comprises the following steps:
rolling the steel wire to a first wire box and a second wire box, wherein the first wire box and the second wire box are respectively fixed on a first bracket and a second bracket through bolts;
the steel wire in the second wire box penetrates through the central hole of the support shaft, the steel wire in the first wire box penetrates through the sleeve and enters the central hole of the support shaft, the steel wires penetrate out through the wire outlet after being combined, and the end head of the combined steel wire is fixed on the fixing sleeve of the winding core shaft;
the main shaft drives the fixed sleeve to rotate, and a steel wire is drawn out from a wire outlet fixed on the tool rest; meanwhile, the support shaft rotates to screw the steel wire drawn out of the first wire box and the steel wire drawn out of the second wire box into a steel cable, so that the manufacture of the steel cable is realized;
the first bracket, the second bracket and the transmission mechanism thereof are fixed on a large support plate of the lathe and move transversely along with the large support plate 1, and the steel cable forms a multi-strand spring on the winding mandrel.
2. The method of one-shot forming of twisted and wound cored multi-strand cylindrical helical spring wire rope according to claim 1, wherein the different lead is obtained by adjusting the feed of the lathe by adjusting the lay length of the multi-strand spring by the gear ratio of the gear train in the gear box.
3. The method of claim 1, wherein 1 wire of the second wire box passes through the center hole of the support shaft, and 5 wires of the first wire box pass through the sleeve and enter the center hole of the support shaft; 5 steel wires drawn out of the first wire box and 1 steel wire drawn out of the second wire box are twisted into a steel cable, so that the manufacture of the steel cable is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911405659.4A CN111112517A (en) | 2019-12-31 | 2019-12-31 | One-step forming method for twisting and winding multi-strand cylindrical spiral spring steel cable with core strand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911405659.4A CN111112517A (en) | 2019-12-31 | 2019-12-31 | One-step forming method for twisting and winding multi-strand cylindrical spiral spring steel cable with core strand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111112517A true CN111112517A (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911405659.4A Withdrawn CN111112517A (en) | 2019-12-31 | 2019-12-31 | One-step forming method for twisting and winding multi-strand cylindrical spiral spring steel cable with core strand |
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| Country | Link |
|---|---|
| CN (1) | CN111112517A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296225A (en) * | 2020-09-28 | 2021-02-02 | 重庆长安工业(集团)有限责任公司 | Multi-spring planetary winding tool |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063245A (en) * | 1991-12-10 | 1992-08-05 | 国营望江机器制造厂 | Winding method and device that the core stranded wire helical spring is arranged |
| CN2882844Y (en) * | 2005-12-26 | 2007-03-28 | 内蒙古北方重工业集团有限公司 | Multistrand spring winding machine |
-
2019
- 2019-12-31 CN CN201911405659.4A patent/CN111112517A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063245A (en) * | 1991-12-10 | 1992-08-05 | 国营望江机器制造厂 | Winding method and device that the core stranded wire helical spring is arranged |
| CN2882844Y (en) * | 2005-12-26 | 2007-03-28 | 内蒙古北方重工业集团有限公司 | Multistrand spring winding machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296225A (en) * | 2020-09-28 | 2021-02-02 | 重庆长安工业(集团)有限责任公司 | Multi-spring planetary winding tool |
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Application publication date: 20200508 |
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| WW01 | Invention patent application withdrawn after publication |