CN2352287Y

CN2352287Y - Machine for making spring from wire

Info

Publication number: CN2352287Y
Application number: CN 98207173
Authority: CN
Inventors: 刘清良
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-08-06
Filing date: 1998-08-06
Publication date: 1999-12-08
Anticipated expiration: 2008-08-06

Abstract

The utility model relates to a machine for making spring from wire, which is mainly composed of a machine table which is used for the positioning setting of each element, a feeding unit which is the wire arranged on the track of the side of the machine table for continuous supply shaping, a coiling unit arranged on the upper edge surface of the machine table to clamp and coil the wire to make the wire shaped into a spring semi-product, and a clipping unit which is arranged on the upper edge surface of the machine table, corresponding to the coiling unit and can cut the spring semi-product transferred by the feeding unit. The track is arranged on the side of the machine table for the sliding and the moving of other elements. The coiling unit is formed by that a motor drives a coiling shaft, and simultaneously the coiling shaft is provided with an automatic holding device.

Description

The spring forming machine

A kind of spring forming machine, more detailed is relevant for size behind a kind of spring forming accurately, no clout, do not injure wire rod and low stress is residual, and tool is simple to operation, and is cheap for manufacturing cost, but the spring forming machine of advantages such as low energy expenditure amount and full automation production.Belong to the spring manufacturing equipment.

See also shown in Fig. 1 spring a, when making spring with known cab over type spring forming machine, can be in the limit, two ends behind the spring forming residual have a unciform process shape material (shown in a ' among the figure), and unciform process shape material more can cause the both ends of the spring limit to have residual clout to excise, this measure not only can increase dealer's processing and equipment cost and more can reduce the utilization rate of wire rod (being the employed steel wire material of spring forming), does not meet economic benefit;

Moreover, not only length tolerance is big and inside and outside footpath tolerance is also quite big to utilize the obtained spring of known roller, cab over type spring forming machine that parts are numerous, simultaneously in the process that draws because of parts too much, the friction chance can further cause greatly and more and injure spring wire and many disappearances such as stress-retained.

In addition, because cab over type spring forming machine roller, parts are numerous, its motor of installing is also quite a lot of relatively, noise is also quite big when spring is made moulding, general make-up machine all is the application alternating current motor, when being in holding state, alternating current motor all can be the idle running shape, not only quite power consumption causes waste on the energy when using servo motor (but just do not have idle running phenomenon), and because roller, parts are numerous, and its board weight is very big, to make the cab over type spring forming machine of spring diameter 16mm, its weight is up to 15 tons, not only material cost is high and the Machine Design manufacturing cost is also high, and is not only bothersome during installation fee, if want to move resettlement difficulty especially.

In order to overcome above-mentioned deficiency, the purpose of this utility model is: provide behind a kind of spring forming size accurately, no clout, do not injure wire rod and low stress is residual, and have simple to operation, cheap for manufacturing cost, low energy expenditure, but weight of equipment gently reaches the spring forming machine that full automation is produced.

A kind of spring forming machine of the utility model, mainly formed by following element in regular turn:

Board 1, it is usefulness to be set for each element location, is provided with the track 11 that can slide for other element, move in the board side; Feed unit 2, it is to be arranged on aforementioned board 1 side rails 11 and tool displacement effect and can supply with the wire rod 5 that moulding is used continuously; Furl unit 3, it is to be arranged at board 1 upper limb face and can to insert and put and furl aforementioned wire rod 5 to be shaped to the spring semi-finished product, this furls unit 3 is to drive one by motor 31 to furl axle 32, and be equiped with on the axle 32 can be with furling axle 32 rotations and forming in furling the automatic fixture 33 that inserts and puts aforementioned wire rod 5 on the axle 32 in furling simultaneously; Cutting unit 4, but it is to be arranged at board 1 upper limb face and to furl the spring semi-finished product that unit 3 is corresponding and cutting is transferred by feed unit 2 with aforementioned.

Wherein, this board 1 side can be provided with the coil holder 6 of supply wire 5 in good time near feed unit 2 places.

Wherein, this coil holder 6 is by holding the sheathed drum 62 that is wound with wire rod 5 on the axle 61, and is arranged with a belt 64 that is driven by motor 63 and is formed in holding axle body of rod place, 61 below.

Wherein, this furls axle 32 when beginning to furl wire rod 5, motor 63 also can drive coil holder 6 and rotate with smooth supply wire rod 5, furl to a certain degree the time when furling the wire rod 5 of axle on 32, furl axle 32 and motor 63 and all can stop rotate, coil holder 6 also can rotate by stop simultaneously, treat that cutter group 4 is cut into spring with the spring semi-finished product after, furl axle 32 when proceeding the moulding of next spring, coil holder 6 also can be under motor 63 drives the required wire rod 5 of sustainable supply moulding.

Wherein, this board 1 upper limb face is near furling the center bearing 13 that axle 32 end limits are provided with supporting role.

Wherein, this furl the axle 32 length can need change according to different spring sizes.

Wherein, this furl the axle 32 bores can need change according to different spring sizes.

Wherein, this board 1 upper limb face is provided with and can slides and mobile track 12 for cutting unit 4.

Wherein, this motor 31 can adopt servo motor according to need.

Wherein, this cutting unit 4 is made up of assembling upper cutter 42 on the oil pressure propulsion plant 41.

Wherein, these feed unit 2 front ends are equiped with supply wire reposefully and guarantee the feed head 21 of wire rod planarization.

The utility model has the advantages that:

1, do not have clout behind the spring forming, can save processing cost and wire rod.

2, length and inside and outside footpath size are all very accurate behind the spring forming, therefore can be used for the processing procedure production that the spring accuracy to size is had relatively high expectations.

3, structural design is simple, so wire rod needn't carry out forming step again as walking around several rollers in the known cab over type spring forming machine, so the situation of utilizing the spring of the utility model manufacturing not have to injure wire rod takes place.

4, the utility model manufacturing process is simple and easy fast, therefore not only can enhance productivity and quality control superior especially, can further improve product market competitiveness.

5, the utility model is simplified because of frame for movement simplicity of design, member, so board weight can reduce significantly, has also reduced board material and manufacturing cost simultaneously.

6, the utility model because of the frame for movement simplicity of design, parts are few and utilize servo motor as power source; therefore energy cost can reduce significantly; because the parts simplification makes parts rub to each other to be lacked,, help protecting environment simultaneously so noise also can significantly reduce.

The utlity model has following accompanying drawing:

Fig. 1 a, b are the spring comparison diagram of the make-up machine institute moulding of known make-up machine and the utility model.

Fig. 2 is the front view of the utility model.

Fig. 3 is the vertical view of the utility model.

Fig. 4 is the coil holder schematic diagram of the utility model.

Fig. 5 is the spring forming schematic diagram of the utility model.

Fig. 6 A, B, C are the production procedure vertical view of the utility model.

Number in the figure is as follows:

1 board, 11,12 tracks 13 support bearing

2 feed units, 21 feed heads 3 furl unit

31 motors 32 furl axle 33 automatic fixtures

331 clamp head, 4 cutting units, 41 oil pressure propulsion plants

42 cutting knifes, 5 wire rods, 6 coil holders

61 hold axle 62 drums 63 motors

64 belts

Now lift preferred embodiment and cooperate graphic being described as follows:

At first, see also Fig. 2 and cooperate the main following in regular turn parts that cooperatively interact running of spring forming machine shown in Figure 3, described in the utility model as seen from the figure to combine;

Can be for the board 1 of each element location, and tool displacement effect also can be supplied with the feed unit 2 of shape wire 5 (being the used steel wire material of spring forming) continuously, and can insert and put and furl aforementioned wire rod 5 moulding furl unit 3, but and with the cutting unit 4 that furls the corresponding and cutting spring semi-finished product of unit 3, and can reach the coil holder 6 of stably supplying with wire rod 5 in good time and form;

The utility model adapts to various working conditions and cooperates the automated production design for make-up machine can flexibly be adjusted, be provided with in aforementioned board 1 side and upper limb face can slide for aforementioned feed unit 2 and cutting unit 4,

mobile track

11,12;

The feed unit 2 that expenditure can be supplied with shape wire 5 is continuously made in the aforementioned tool displacement of installing on the track 11 of board 1 side again, these feed unit 2 front ends are equiped with supply wire reposefully and guarantee the feed head 21 of wire rod planarization, the wire rod 5 (about 10-15cm) that can reserve suitable length when feed unit 2 feed in feed head 21 places is beneficial to furling and moulding of wire rod, and feed unit 2 also can constantly be supplied with make-up machine wire rod 5 in the spring forming process simultaneously;

And with aforementionedly insert and put and furl, the unit 3 that furls of shape wire 5 is arranged at edge face on the board 1, this furls unit 3 is to drive one by motor 31 to furl axle 32, simultaneously be equiped with one on the axle 32 and can form, described herein furl 32 length and bore can need be changed according to different spring sizes with the automatic fixture 33 that furls axle 32 rotations in furling;

Please continue to consult Fig. 2 and cooperate shown in Figure 5, when aforementioned feeding machine group 2 with wire rod 5 deliver to furl unit 3 furl axle during 32 upper limb faces, clamp head 331 on the automatic fixture 33 can be in furling wire rod 5 ends that insert and put about 5-7mm on the axle 32, drive by motor 31 again and furl axle 32 rotations, make wire rod 5 to furl gradually on 32 that type becomes spring in furling axle, furl the axle 32 furl wire rod 5 in, feed unit 2 can continue and stably moves towards the direction away from automatic fixture 33 along track 12, make wire rod 5 be molded into the spring semi-finished product in furling to furl in regular turn on the axle 32, since the utility model furl axle 32 when furling wire rod 5 and be molded into the spring semi-finished product, it furls direction system identical with the direction that wire rod 5 is inserted and put (being same axial), therefore can not be formed with unciform process shape material behind the spring forming in its end limit, when spring is formed into predetermined length on furling axle 32, furl the carrying out that axle 32 just can stop be beneficial to next step, can adopt servo motor according to need as for 31 in aforementioned motor, stop motor 31 runnings temporarily behind spring forming, and when carrying out next time spring forming, open motor 31 runnings again, so can avoid as adopting the known make-up machine of alternating current motor, motor has the idle running phenomenon when standby.

In addition, as shown in Figure 4, for fear of long and make that because of moment is excessive furl axle 32 produces sagging because of furling axle 32 length, and then the spring modification that makes the moulding of the utility model institute, near furling axle 32 end limits place heart bearing 13 among the one tool supporting role is set in board 1 upper limb face again, shown in Fig. 5 imaginary line, this bearing 13 is to be designed to adjustable two-part oil pressure structure, when spring furls moulding on furling axle 32, bearing 13 can upwards be replaced under the oil pressure start and support and furl axle 32, and then bearing 13 can move down in order to spring from furling axle 32 taking-ups behind spring forming;

But on board 1 upper limb face track 12, be provided with again at last and furl unit 3 cutting units 4 corresponding and cutting spring semi-finished product and form, when after furling spring forming on the unit 3 and finishing, feed unit 2 can continue along track 12 the spring semi-finished product to be delivered to and carry out cutting on the cutting unit 4 and finish the spring forming flow process, moreover, because cutting unit 4 is to be arranged on the track 12, therefore when furling axle 32 length not simultaneously, can motor-driven adjustment cutting unit 4 positions, to cooperate the production of different length spring, other sees also shown in Figure 2, this described cutting unit 4 is made up of assembling one cutting knife 42 on the oil pressure propulsion plant 41 as seen from the figure, when cutting knife 42 recycles after sharp once more because of taking out mill after excessively using rust, this design is not only economical and save the material installation expense.

Please cooperate again and consult shown in Figure 3ly, the utility model is for can be in good time and stably supply the required wire rod of make-up machine moulding 5, satisfies in board 1 side near feed unit 2 places the coil holder 6 of supply wire 5 in good time to be set; In addition as shown in Figure 4, this described coil holder 6 is by holding the sheathed drum 62 that is wound with wire rod 5 on the axle 61, and is arranged with one and is made up of the belt 64 of motor 63 drive in holding an axle body of rod place, 61 below, and this motor 63 is to be the best with the employing servo motor certainly;

Furled wire rod 5 on this described coil holder 6, wire rod 5 is to be placed through in the aforementioned feed unit 2 orders to be passed by feed head 21 places and can supply with the required of spring forming, when furling axle 32 when beginning to furl wire rod 5, the master control computer just can send a signal to motor 63, and CD-ROM drive motor 63 drives drum 62 rotations and can stably supply with the required wire rod of moulding 5, when furling axle 32 when furling to predetermined length, the master control computer can be assigned the action that instruction while stop furls axle 32 and motor 63, treat feed unit 2 with the spring semi-finished product deliver to cutting unit 4 finish dealing with cut out after, furl axle 32 and can carry out the moulding of next spring again, master control this moment computer CD-ROM drive motor 63 drives once more coils 62 feed and proceeds above-mentioned circulation, and so the purpose that is provided with of the required wire rod of moulding just can be reached in good time and stably be supplied with to coil holder 6;

In addition, because drum 62 is to be sheathed on to hold on the axle 61, therefore when the wire rod on the drum 62 5 uses up, only slightly drum 62 taking-ups sheathed again are wound with the drum 62 of wire rod 5, and wire rod 5 is arranged in the feed unit 2 get final product, so can supply with the required wire rod of moulding 5 apace and be unlikely to cause the supply delay time of growing.

As shown in the above description, spring forming flow process described in the utility model is to supply with the wire rod 5 of certain-length (about 10-15cm) earlier to furling on the axle 32 by feed unit 2 haply, and by automatic fixture 33 in furling the wire rod 5 that axle inserts and puts location suitable length (about 5-7mm) on 32, furl axle 32 by motor 31 drivings again and furl wire rod 5 and formed spring semi-finished product, by feed unit 2 the spring semi-finished product are delivered to cutting unit 4 more at last and carry out cutting, can finish the spring manufacturing process, above-mentioned spring forming process is not only simple, shaping speed is fast and shown in the spring a ' of Fig. 1, the moulding rear spring does not have unciform process shape clout, and then can improve the utilization rate of wire rod 5, simultaneously not needing to impose additional step removes clout and needn't increase the additional processing cost again, fewer because of frame for movement simplicity of design so parts and wire rod friction, can reduce spring and produce the probability that line is hindered, reduce the pollution of NOISE ON ENVIRONMENT simultaneously.

Spring manufacture process described in the utility model, except furling axle 32 bore and length can change according to actual needs, the charging program of all the other wire rods 5, automatically folder willing 33 inserts and puts opportunity, spring furls forming process, cutting out of semi-finished product, spring furls the shaping speed number of turns and spring all can carry out sequencing control in the parameters such as moulding length that furl on the axle 32, therefore the utility model is except the location of the replacing that furls axle and cutting unit 4, aforementioned control parameter all can be imported in the computer and produce with automated procedures, accurately (the spring length tolerance with the utility model manufacturing has only 0.5mm not only to manufacture molded dimension, better than the spring length tolerance 4mm that makes gained with known make-up machine) more can produce and save a large amount of human resources fast, while is because of the manufacturing process and the simple shaping mechanism of sequencing design, when changing the manufacturing process of different size, in 5 minutes, can finish, carry out the processing procedure conversion as if the time that then needs 1 hour with known tack make-up machine and more change jobs, it is the production model mobility deficiency and the economic benefit of more not having not only;

In addition, because the simple frame for movement design of the utility model, machinery weight just can reduce relatively, make-up machine with 16mm wire rod bore, make-up machine weight of the present utility model is about 2 tons, but known make-up machine but weighs more than 15 tons, and seem by contrast suitable heaviness and material and manufacturing cost are high especially.

Claims

1, a kind of spring forming machine, it is characterized in that: this spring forming mainly is made up of following element:

Board (1), it is usefulness to be set for each element location, is provided with the track (11) that can slide for other element, move in the board side;

Feed unit (2), it is to be arranged at aforementioned board (1) side rails (11) to go up also tool displacement effect and can supply with the wire rod (5) that spring forming is used continuously;

Furl unit (3), it is to be arranged at board (1) upper limb face and can to insert and put and furl wire rod (5) to be shaped to the spring semi-finished product, this furls unit (3) is to drive one by motor (31) to furl axle (32), and be equiped with on the axle (32) can be with furling axle (32) rotation and forming in furling the automatic fixture (33) that inserts and puts aforementioned wire rod (5) on the axle (32) in furling simultaneously;

Cutting unit (4), it is to be arranged at board (1) upper limb face and to furl unit (3) but spring semi-finished product corresponding and that cutting is transferred by feed unit (2) with aforementioned.

2, spring forming machine according to claim 1 is characterized in that: wherein, this board (1) side locates to be provided with the coil holder (6) of supply wire (5) in good time near feed unit (2).

3, spring forming machine according to claim 2, it is characterized in that: wherein, this coil holder (6) is to go up sheathed drum (62) that is wound with wire rod (5) by holding axle (61), and is arranged with a belt (64) that is driven by motor (63) and is formed in holding a body of rod place, axle (61) below.

4, according to claim 1 or 3 described spring forming machines, it is characterized in that: wherein, this furls axle (32) when beginning to furl wire rod (5), motor (63) also can drive coil holder (6) and rotate with smooth supply wire rod (5), furl to a certain degree the time when furling axle (a 32) last wire rod (5), furling axle (32) and motor (63) all can rotate by stop, coil holder (6) also can rotate by stop simultaneously, after treating that cutter group (4) is cut into spring with the spring semi-finished product, furl axle (32) when proceeding the moulding of next spring, coil holder (6) also can be under motor (63) drives the required wire rod (5) of sustainable supply moulding.

5, spring forming machine according to claim 1 is characterized in that: wherein, this board (1) upper limb face is near furling the center bearing (13) that axle (32) end limit is provided with the tool supporting role.

6, spring forming machine according to claim 1 is characterized in that: wherein, this length that furls axle (32) can need be changed according to different spring sizes.

7, spring forming machine according to claim 1 is characterized in that: wherein, this furls axle (32) bore and can change according to the needs of different spring sizes.

8, spring forming machine according to claim 1 is characterized in that: wherein, this board (1) upper limb face is provided with and can slides and mobile track (12) for cutting unit (4).

9, spring forming machine according to claim 1 is characterized in that: wherein, this motor (31) can adopt servo motor.

10, spring forming machine according to claim 1 is characterized in that: wherein, this cutting unit (4) is to go up assembling upper cutter (42) by an oil pressure propulsion plant (41) to be formed.

11, spring forming machine according to claim 1 is characterized in that: wherein, this feed unit (2) front end is equiped with supply wire reposefully and guarantees the feed head (21) of wire rod planarization.