CN105363922A - Tertiary forming tool for automatically producing omega-shaped elastic strips - Google Patents

Tertiary forming tool for automatically producing omega-shaped elastic strips Download PDF

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Publication number
CN105363922A
CN105363922A CN201510930076.9A CN201510930076A CN105363922A CN 105363922 A CN105363922 A CN 105363922A CN 201510930076 A CN201510930076 A CN 201510930076A CN 105363922 A CN105363922 A CN 105363922A
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CN
China
Prior art keywords
sequence
counterdie
frocks
type spring
automated production
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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.)
Pending
Application number
CN201510930076.9A
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Chinese (zh)
Inventor
朱昌永
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China Railway Longchang Materials Co Ltd
Original Assignee
China Railway Longchang Materials Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Railway Longchang Materials Co Ltd filed Critical China Railway Longchang Materials Co Ltd
Priority to CN201510930076.9A priority Critical patent/CN105363922A/en
Publication of CN105363922A publication Critical patent/CN105363922A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

The invention discloses a tertiary forming tool for automatically producing omega-shaped elastic strips. The tertiary forming tool comprises a primary tool, a secondary tool and a tertiary tool. Compared with the prior art, the tertiary forming tool has the positive effects that: a groove is processed in a primary upper molding board, so that positioning is accurate, and regulating is convenient and quick. One end of each roller pin is processed to be flat, and a base body of each roller pin is provided with a groove, so that abrasion of each roller base body is reduced. A secondary upper mould claw and a lower swing arm are provided with tapered roller bearings; a screw is regulated, so that shifting of a mould can be regulated, stability of the mould is strengthened and the service life of the mould is prolonged. Tertiary front and rear lower moulds are split, and can be suitable for producing elastic strips with various models; and upper moulds are designed into split types, so that dimension is regulated more conveniently.

Description

ω type spring automated production three forming frocks
Technical field
The present invention relates to a kind of rail fastener ω type spring automated production three forming frocks.
Background technology
The ω type spring that China railways uses now is all hot-forming with the spring steel of ¢ 13 ~ ¢ 16, immediate quenching, then tempering, then surface treatment.The appearance and size of ω type spring, presentation quality, ensures by moulds of industrial equipment entirely.
Moulds of industrial equipment are originally manual operations, can not adapt to robot automated production.
Summary of the invention
In order to overcome the above-mentioned shortcoming of prior art, the invention provides a kind of ω type spring automated production three forming frocks.
The technical solution adopted for the present invention to solve the technical problems is: a kind of ω type spring automated production three forming frocks, comprise a sequence frock, two sequence frocks and three sequence frocks, wherein:
A described sequence frock comprises cope match-plate pattern and lower bolster; Cope match-plate pattern is provided with upper bolster and material returned seat, upper bolster is provided with patrix roller, arrange material returned guide pin bushing in material returned seat, in material returned guide pin bushing, be provided with stage clip, material returned block is connected on material returned guide pin bushing by hexagon socket head cap screw; Lower bolster is provided with short counterdie and in hold counterdie, short counterdie is provided with counterdie roller and counterdie cushion block;
Described two sequence frocks comprise cope match-plate pattern and lower bolster; Cope match-plate pattern is provided with top mold frame, top mold frame is provided with patrix pawl, patrix pawl is provided with patrix roller; Lower bolster is provided with arm swing support and middle backing seat, arm swing support is provided with swing arm, backing during middle backing seat is provided with;
Described three sequence frocks comprise cope match-plate pattern and lower bolster, and cope match-plate pattern arranges top mold frame, and top mold frame is provided with limit limb briquetting, middle patrix and left and right patrix; Counterdie, front counterdie and guide shaft after lower bolster is arranged, rear counterdie is provided with and plays journey block and limit limb counterdie, guide shaft is provided with stage clip, above stage clip, is provided with retainer plate.
Compared with prior art, good effect of the present invention is: a sequence cope match-plate pattern is all processed with groove, accurate positioning, fast easy to adjust.One end of all roller pins is all processed into flat, and matrix is fluted, reduces the wearing and tearing of roller matrix.Two sequence patrix pawls and lower swing arm are all equipped with taper roll bearing, and by adjustment screw, the vibration of adjustable mould, enhances the stability of mould, improves the mold use life-span.The front and back counterdie of three sequences is splits, and can adapt to the production of Multiple Type spring, patrix is designed to split type, adjusts each size more convenient.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the front view of ω type spring automated production one sequence forming frock;
Fig. 2 is the fundamental diagram one of ω type spring automated production one sequence forming frock;
Fig. 3 is the fundamental diagram two of ω type spring automated production one sequence forming frock;
Fig. 4 is the front view of ω type spring automated production two sequence forming frock;
Fig. 5 is the side view of ω type spring automated production two sequence forming frock;
Fig. 6 is the annexation schematic diagram of swing arm and arm swing support;
Fig. 7 is the fundamental diagram one of ω type spring automated production two sequence forming frock;
Fig. 8 is the fundamental diagram two of ω type spring automated production two sequence forming frock;
Fig. 9 is the front view of ω type spring automated production three sequence forming frock;
Figure 10 is the side view of ω type spring automated production three sequence forming frock;
Figure 11 is the fundamental diagram one of ω type spring automated production three sequence forming frock;
Figure 12 is the fundamental diagram two of ω type spring automated production three sequence forming frock.
Detailed description of the invention
A kind of ω type spring automated production three forming frocks, as shown in Fig. 1 to Figure 12, comprising: cope match-plate pattern 1, hexagon socket head cap screw 2, upper bolster 3, patrix roller 4, roller pin 5, roller pin 6, counterdie roller 7, counterdie cushion block 8, hexagon socket head cap screw 9, interior six bolts 10, short counterdie 11, lower bolster 12, in hold counterdie 13, hexagon socket head cap screw 14, locating piece 15, jackscrew 16, hexagon socket head cap screw 17, raw material workpiece 18, material returned block 19, hexagon socket head cap screw 20, material returned guide pin bushing 21, material returned seat 22, stage clip 23, one sequence shaping workpiece 24, adjustment bolt 25, adjustment nut 26, nut 27, hexagon socket head cap screw 28, limited block 29, hexagon socket head cap screw 30, top mold frame 31, adjusting bolt 32, cope match-plate pattern 33, oscillating arm pinch wheel 34, roller pin 35, bearing material roller 36, roller pin 37, roller pin 38, swing arm roller 39, hexagon socket head cap screw 40, jackscrew 41, top screw seat 42, arm swing support 43, hexagon socket head cap screw 44, lower bolster 45, upper mold shaft 46, hexagon socket head cap screw 47, adjustment briquetting 48, adjusting bolt 49, end cap 50, taper roll bearing 51, patrix pawl 52, patrix roller 53, nut 54, patrix roller shaft 55, taper roll bearing 56, end cap 57, nut 58, middle backing 59, hexagon socket head cap screw 60, middle backing seat 61, taper roll bearing 62, hexagon socket head cap screw 63, adjusting bolt 64, adjustment briquetting 65, end cap 66, arm shaft 67, swing arm 68, two sequence shaping workpieces 69, hexagon socket head cap screw 70, rear counterdie 71, play journey block 72, limit limb counterdie 73, limit limb briquetting 74, lock-screw 75, cope match-plate pattern 76, hexagon socket head cap screw 77, lock-screw 78, top mold frame 79, material blocking block 80, hexagon socket head cap screw 81, front counterdie 82, lower bolster 83, retainer plate 84, stage clip 85, guide shaft 86, lock nut 87, middle patrix 88, left and right patrix 89, hexagon socket head cap screw 90, three sequence shaping workpieces 91 etc., wherein:
As shown in Figure 1-Figure 3, upper bolster 3 is fixed on by hexagon socket head cap screw 2 and has on the cope match-plate pattern 1 of elongated slot one sequence, can left and right adjusting.Patrix roller 4 is fixed on upper bolster 3 by roller pin 5.Counterdie roller 7 is fixed on short counterdie 11 by roller pin 6.Counterdie cushion block 8 is fixed on short counterdie 11 by hexagon socket head cap screw 9, can realize by the counterdie cushion block 8 changing different angles the product producing Multiple Type in same frock.Short counterdie 11 is fixed on by hexagon socket head cap screw and has on the lower bolster 12 of elongated slot, and short counterdie 11 can left and right adjustment on lower bolster 12.In hold counterdie 13 and be fixed on lower bolster 12 by hexagon socket head cap screw 10.Locating piece 15 is fixed on lower bolster 12 by hexagon socket head cap screw 17, can regulate and fix short counterdie 11 better by the jackscrew 16 be arranged on locating piece 15.Material returned block 19 is connected on material returned guide pin bushing 21 by hexagon socket head cap screw 20, is provided with stage clip 23 in material returned guide pin bushing 21; Material returned guide pin bushing 21 is arranged in material returned seat 22, and material returned seat 22 is fixed on cope match-plate pattern 1.
Cope match-plate pattern 1 is all processed with groove, is convenient to the accurate positioning of upper bolster 3 and material returned seat 22, fast easy to adjust.
Counterdie roller 7 has groove (groove radius R is identical with ω type spring radius), for steadily placing raw material workpiece 18.
Counterdie cushion block 8 studs with carbide alloy groove (groove radius R is identical with ω type spring radius), and when ensureing shaping workpiece radius R, workpiece does not have impression.
Two sequences are as shown in Fig. 4-Fig. 8: top mold frame 31 is fastenedly connected in the middle part of cope match-plate pattern 33 by hexagon socket head cap screw 28.Limited block 29 is fastened in top mold frame 31 by hexagon socket head cap screw 30.The lower end of top mold frame 31 is provided with adjusting bolt 32, and adjusting bolt 32 can regulate the amplitude of fluctuation of patrix pawl 52; Patrix pawl 52 is connected in top mold frame 33 by upper mold shaft 46 and taper roll bearing 51, and the end face adjustment briquetting 48 of taper roll bearing 51 covers, and adjustment briquetting 48 is by the play of the adjustable patrix pawl 52 of adjusting bolt 49.Be connected with patrix roller 53 in the lower end of patrix pawl 52 by patrix roller shaft 55, patrix roller shaft 55 is locked by nut 54.Be provided with at the two ends (with swing arm 68 corresponding position) of cope match-plate pattern 33 and adjust bolt 25, the amplitude of oscillation of swing arm 68 can be adjusted by nut 27 and adjustment nut 26.Oscillating arm pinch wheel 34 is connected in swing arm 68 by roller pin 35, and swing arm roller 39 and bearing material roller 36 are connected to by roller pin 37 and roller pin 38 and have in the swing arm 68 of elongated slot.Swing arm 68 is connected on arm swing support 43 by taper roll bearing 62 and arm shaft 67 and end cap 66 and adjustment briquetting 65.The play of the adjustable swing arm 68 of adjusting bolt 64.Arm swing support 43 is fixed on by hexagon socket head cap screw 44 and has on the lower bolster 45 of elongated slot, arm swing support 43 can on lower bolster 45 left and right adjusting.Middle backing 59 is fixed on middle backing seat 61 by hexagon socket head cap screw 60, and middle backing seat 61 is fixed on the centre of lower bolster 45 by hexagon socket head cap screw.
Three sequences are as shown in Fig. 9-Figure 12: hexagon socket head cap screw 70 is fixed on rear counterdie 71 and has on the lower bolster 83 of elongated slot, rear counterdie 71 can on lower bolster left and right adjusting.Limit limb counterdie 73 and bullet journey block 72 are placed on and have in the rear counterdie 71 of square hole.Top mold frame 79 is fixed on cope match-plate pattern 76 by hexagon socket head cap screw 77, and limit limb briquetting 74, middle patrix 88 and left and right patrix 89 are fixed in top mold frame 79 by lock-screw 75 and lock-screw 78.Front counterdie 82 is fixed on lower bolster 83 by hexagon socket head cap screw 90, and material blocking block 80 is fixed on front counterdie 82 by hexagon socket head cap screw 81, and material blocking block 80 can left and right fine setting on front counterdie 82.Lower bolster 83 arranges guide shaft 86, guide shaft 86 is disposed with lock nut 87, stage clip 85 and retainer plate 84 from bottom to up.Lock nut 87 is for adjusting the height of retainer plate 84.
The forward and backward counterdie (82 and 71) of three sequences is splits, and can adapt to the production of Multiple Type spring, patrix is designed to split type, adjusts each size more convenient.
The operation principle of this forming frock is:
One sequence mechanical hand will be placed in the groove of counterdie roller 7 to the raw material workpiece 18 of technological requirement by heating in medium frequency reposefully, one sequence mechanical hand falls back on safe position, signal received by one sequence press, start to move downward, compression press spring 23 when material returned block 19 touches raw material workpiece 18, when press is at bottom dead centre, raw material workpiece 18, at the support compacted under of counterdie cushion block 8, obtains a sequence shaping workpiece 24 (as shown in Figure 2); Then a sequence press moves upward, and a sequence shaping workpiece 24, under the effect of stage clip 23, is placed on counterdie by material returned block 19 stably, and top dead-centre got back to by a sequence press, and a sequence is shaping to be completed, and a sequence shaping workpiece 24 enters subsequent processing (i.e. two sequences).
Two sequence mechanical hands receive signal, and a sequence shaping workpiece 24 is clipped to two sequences, and when a sequence shaping workpiece 24 moves to safe position, a sequence mechanical hand is placed on the raw material workpiece 18 of heating on counterdie roller 7.One sequence shaping workpiece 24 is placed in two sequences by two sequence mechanical hands reposefully, backing 59 in the middle part arc contact of one sequence shaping workpiece 24, middle backing has groove (groove radius R about 0.5mm larger than ω type spring radius), the height of adjustment swing arm cushion block or the size of bearing material roller diameter, make just to contact between bearing material roller 36 and a sequence shaping workpiece 24, form three point contact, workpiece can not swing.If excesssive gap, patrix roller 53 is just contacting workpiece 24 moment, and workpiece can swing, and cause the size of the right and left unstable, workpiece and bearing material roller easily play impression simultaneously.Two sequence mechanical hands fall back on safe position, signal received by two sequence press, starts to move downward, and down moves when patrix roller 53 againsts a sequence shaping workpiece 24, until when adjustment bolt 25 contacts the oscillating arm pinch wheel in swing arm 68, due to lever principle, the other end of swing arm 68 upwarps, thus carries out simmering and bending to the profile of a sequence shaping workpiece 24, obtain two sequence shaping workpieces 69, swing arm 68 amplitude of fluctuation can be adjusted, until forcing press arrives bottom dead centre, as shown in Figure 7 by adjustment bolt 25.Press up moves, and two sequence shaping workpieces 69 are mentioned by patrix roller 53 together.The gap between patrix pawl 52 and adjusting bolt 32 is changed by adjusting bolt 32, thus control patrix pawl 52 amplitude of fluctuation in the horizontal direction, patrix roller 53 has groove (groove radius R 0.5mm larger than ω type spring radius), amplitude of fluctuation is excessive, waist-drum-shaped can be formed in the middle part of product, amplitude of fluctuation is too small, due to patrix roller 53 having groove, can clamp in the middle part of product, three sequence mechanical hands will pull outward could take out workpiece when gripping two sequence shaping workpiece 69, workpiece also can cause simultaneously and draw trace.As shown in Figure 8.Top dead-centre got back to by press.
Three sequence mechanical hands receive signal, two sequence shaping workpieces are clipped to three sequences, two sequence shaping workpiece afterbody contact material blocking blocks 80 are also placed on retainer plate 84 by three sequence mechanical hands reposefully, three sequence mechanical hands return to home, three procedure forcing press receive signal, start to move downward, thus at limit limb briquetting 74, middle patrix 88 and left and right patrix 89, and rear counterdie 71, shaping to the two sequence shaping workpieces be placed on retainer plate 84 under the acting in conjunction of limit limb counterdie 73 and front counterdie 82, until when three procedure forcing press arrive bottom dead centre, formed product obtains three sequence shaping workpieces 91, as shown in figure 11.Press moves upward, and retainer plate 84 is under the effect of stage clip 85, and held up reposefully by three sequence shaping workpieces 91, top dead-centre got back to by press, thus three sequences completing workpiece are shaping, and three sequence shaping workpieces 91 enter subsequent processing.

Claims (10)

1. ω type spring automated production three forming frocks, is characterized in that: comprise a sequence frock, two sequence frocks and three sequence frocks, wherein:
A described sequence frock comprises cope match-plate pattern and lower bolster; Cope match-plate pattern is provided with upper bolster and material returned seat, upper bolster is provided with patrix roller, arrange material returned guide pin bushing in material returned seat, in material returned guide pin bushing, be provided with stage clip, material returned block is connected on material returned guide pin bushing by hexagon socket head cap screw; Lower bolster is provided with short counterdie and in hold counterdie, short counterdie is provided with counterdie roller and counterdie cushion block;
Described two sequence frocks comprise cope match-plate pattern and lower bolster; Cope match-plate pattern is provided with top mold frame, top mold frame is provided with patrix pawl, patrix pawl is provided with patrix roller; Lower bolster is provided with arm swing support and middle backing seat, arm swing support is provided with swing arm, backing during middle backing seat is provided with;
Described three sequence frocks comprise cope match-plate pattern and lower bolster, and cope match-plate pattern arranges top mold frame, and top mold frame is provided with limit limb briquetting, middle patrix and left and right patrix; Counterdie, front counterdie and guide shaft after lower bolster is arranged, rear counterdie is provided with and plays journey block and limit limb counterdie, guide shaft is provided with stage clip, above stage clip, is provided with retainer plate.
2. ω type spring according to claim 1 automated production three forming frocks, is characterized in that: on the cope match-plate pattern of a sequence frock, have elongated slot, described upper bolster is fixed in elongated slot by hexagon socket head cap screw; The lower bolster of a sequence frock has elongated slot, and described short counterdie is fixed in elongated slot by hexagon socket head cap screw.
3. ω type spring according to claim 1 automated production three forming frocks, is characterized in that: have locating piece in lower bolster two arranged outside of a sequence frock, locating piece is provided with jackscrew.
4. ω type spring according to claim 1 automated production three forming frocks, is characterized in that: on the counterdie roller of a sequence frock, have groove, groove radius is identical with ω type spring radius; The counterdie cushion block of a sequence frock studs with carbide alloy groove, and groove radius is identical with ω type spring radius.
5. ω type spring according to claim 1 automated production three forming frocks, is characterized in that: in the top mold frame of two sequence frocks, be provided with limited block, top mold frame lower end is provided with adjusting bolt, the two ends of cope match-plate pattern are provided with adjustment bolt.
6. ω type spring according to claim 1 automated production three forming frocks, is characterized in that: in two sequence frocks, backing has groove, groove radius 0.5mm larger than ω type spring radius.
7. ω type spring according to claim 1 automated production three forming frocks, is characterized in that: on the patrix roller of two sequence frocks, have groove, groove radius 0.5mm larger than ω type spring radius.
8. ω type spring according to claim 1 automated production three forming frocks, it is characterized in that: on the lower bolster of three sequence frocks, have elongated slot, described rear counterdie is fixed in elongated slot by hexagon socket head cap screw.
9. ω type spring according to claim 1 automated production three forming frocks, is characterized in that: before three sequence frocks, counterdie is provided with material blocking block.
10. ω type spring according to claim 1 automated production three forming frocks, is characterized in that: below the stage clip of three sequence frocks, be provided with lock nut.
CN201510930076.9A 2015-12-15 2015-12-15 Tertiary forming tool for automatically producing omega-shaped elastic strips Pending CN105363922A (en)

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Application Number Priority Date Filing Date Title
CN201510930076.9A CN105363922A (en) 2015-12-15 2015-12-15 Tertiary forming tool for automatically producing omega-shaped elastic strips

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106270207A (en) * 2016-11-02 2017-01-04 中铁隆昌铁路器材有限公司 A kind of spring three sequence frock
CN107971394A (en) * 2017-12-30 2018-05-01 河南鑫达铁路器材有限公司 A kind of railway track spring automatic moulding system
CN108188213A (en) * 2017-12-30 2018-06-22 河南鑫达铁路器材有限公司 A kind of railway track spring molding die
CN110496879A (en) * 2019-08-20 2019-11-26 中铁隆昌铁路器材有限公司 A kind of sequence forming frock and forming method for the production of ω type spring
CN112974638A (en) * 2019-12-13 2021-06-18 青岛海尔智慧厨房电器有限公司 Die for manufacturing square-shaped workpiece
CN115055974A (en) * 2022-05-31 2022-09-16 九江捷豹药械有限公司 Elastic strip cutting and shaping equipment

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Publication number Priority date Publication date Assignee Title
DE3943038A1 (en) * 1988-12-30 1990-07-05 Miskolci Mezoegazdasagi Gepgya Three=dimensional item production method - bends bars after heating initially in common plane at different points
CN202162272U (en) * 2011-06-29 2012-03-14 北京铁科首钢轨道技术股份有限公司 Mould for processing W-shaped elastic bar of passenger special line
CN202263839U (en) * 2011-09-09 2012-06-06 晋亿实业股份有限公司 W-shaped spring bar mould
CN102861830A (en) * 2012-09-28 2013-01-09 中铁隆昌铁路器材有限公司 Flexible material pushing device
CN103418653A (en) * 2013-05-31 2013-12-04 安徽省巢湖铸造厂有限责任公司 Elastic strip forming machine
CN103831359A (en) * 2014-03-25 2014-06-04 中铁隆昌铁路器材有限公司 Omega type elastic strip oscillating upper die frame
CN205236780U (en) * 2015-12-15 2016-05-18 中铁隆昌铁路器材有限公司 Omega type bullet strip automated production cubic shaping frock

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3943038A1 (en) * 1988-12-30 1990-07-05 Miskolci Mezoegazdasagi Gepgya Three=dimensional item production method - bends bars after heating initially in common plane at different points
CN202162272U (en) * 2011-06-29 2012-03-14 北京铁科首钢轨道技术股份有限公司 Mould for processing W-shaped elastic bar of passenger special line
CN202263839U (en) * 2011-09-09 2012-06-06 晋亿实业股份有限公司 W-shaped spring bar mould
CN102861830A (en) * 2012-09-28 2013-01-09 中铁隆昌铁路器材有限公司 Flexible material pushing device
CN103418653A (en) * 2013-05-31 2013-12-04 安徽省巢湖铸造厂有限责任公司 Elastic strip forming machine
CN103831359A (en) * 2014-03-25 2014-06-04 中铁隆昌铁路器材有限公司 Omega type elastic strip oscillating upper die frame
CN205236780U (en) * 2015-12-15 2016-05-18 中铁隆昌铁路器材有限公司 Omega type bullet strip automated production cubic shaping frock

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106270207A (en) * 2016-11-02 2017-01-04 中铁隆昌铁路器材有限公司 A kind of spring three sequence frock
CN106270207B (en) * 2016-11-02 2018-01-09 中铁隆昌铁路器材有限公司 A kind of sequence frock of spring three
CN107971394A (en) * 2017-12-30 2018-05-01 河南鑫达铁路器材有限公司 A kind of railway track spring automatic moulding system
CN108188213A (en) * 2017-12-30 2018-06-22 河南鑫达铁路器材有限公司 A kind of railway track spring molding die
CN110496879A (en) * 2019-08-20 2019-11-26 中铁隆昌铁路器材有限公司 A kind of sequence forming frock and forming method for the production of ω type spring
CN112974638A (en) * 2019-12-13 2021-06-18 青岛海尔智慧厨房电器有限公司 Die for manufacturing square-shaped workpiece
CN112974638B (en) * 2019-12-13 2023-01-13 青岛海尔智慧厨房电器有限公司 Die for manufacturing square-shaped product
CN115055974A (en) * 2022-05-31 2022-09-16 九江捷豹药械有限公司 Elastic strip cutting and shaping equipment
CN115055974B (en) * 2022-05-31 2023-09-22 九江捷豹药械有限公司 Elastic strip cutting shaping equipment

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