CN207170814U - A kind of horizontal pressure device of helical spring - Google Patents

Abstract

A kind of horizontal pressure device of helical spring, it is related to helical spring pre-press equipment component technology field, including：Horizontally disposed main body；First main hydraulic cylinder, the first endoporus of axial direction is provided with one end of main body, the First piston bar of the first main hydraulic cylinder；Second main hydraulic cylinder, it is relative with the first main hydraulic cylinder located at the other end of main body, the second endoporus of axial direction is provided with the second piston bar of the second main hydraulic cylinder；Mandrel, it can be in axial sliding connection with the second endoporus；Mandrel driver element, the end being located at second piston bar on the outside of main body are connected, and mandrel driver element is connected with mandrel, for driving mandrel horizontal reciprocating to move.Horizontal pressure device of the present utility model can match with lowering or hoisting gear, be easy to that spring workpiece is inserted into precompressed station automatically, improve operating efficiency, reduce the labor intensity of worker.

Description

A kind of horizontal pressure device of helical spring

Technical field

It the utility model is related to EMU shock-absorbing spring manufacturing equipment technical field, and in particular to a kind of helical spring Horizontal pressure device.

Background technology

Handled when high stress compressions spring product is produced, it is necessary in production process using precompressed to eliminate spring The residual stress of product, otherwise the phenomenon of size distortion occurs in spring product in use for some time, influences spring product Quality.

The line footpath of the shock-absorbing spring of EMU is larger and weight is big, and preformer load is higher.Use in the prior art Vertical hydraulic press carries out precompressed to spring.When precompressed is handled, it is necessary first to helical spring workpiece is removed from conveyer belt, is placed It is carried on working position apparatus, then by working position apparatus near vertical hydraulic press, then manually by one or more spring workpiece Vertically it is positioned on platform, the manually operated hydraulic press of operating personnel carries out precompressed processing, and after the completion of precompressed, operating personnel are again by bullet Spring workpiece moves down from platform, and process is numerous and diverse, and operating efficiency is relatively low.

Chinese patent application CN200910096654.8 discloses a kind of spring pre-press, by workbench, cylinder, block group Into cylinder and block are set on the table, telescopic arm are provided with cylinder, the end of telescopic arm is provided with forearm, forearm Size and shape matches with spring, and block bore is provided with block, and size and the spring and forearm of block bore match.This is special , it is necessary to which spring workpiece is enclosed on forearm by operating personnel manually in the technical scheme of profit application, lowering or hoisting gear can not be used by bullet Spring workpiece inserts precompressed station automatically, and the technical scheme has used cylinder to bear heavy duty as power, cylinder, it is impossible to Precompressed suitable for heavy-duty spring is handled.

Chinese patent CN201310533338.9 discloses a kind of spring pressure machine, including workbench, drive device, driving It is horizontal drive disk that device, which drives a central shaft, is distributed some workpiece booms along the radial equipartition of drive disk, at least Head is provided with the corresponding position of a workpiece boom.Following technical problem be present in the technical scheme of the patent：1st, it is only suitable For the spring precompressed of lighter in weight, for the heavy-duty springs such as EMU shock-absorbing spring, free fall type blanking is deposited In potential safety hazard.2nd, need operating personnel to move spring workpiece, spring workpiece is sleeved on workpiece boom, still can not be with liter Falling unit supports the use is automatically placed in precompressed station by workpiece.

In summary, a kind of precompressed suitable for EMU spring is designed to handle, can be with the lifting of helical spring Device matches, and is easy to lowering or hoisting gear by spring workpiece inserts precompressed station and is picked out from precompressed station the horizontal pressure of helical spring Device turns into technical problem urgently to be resolved hurrily.

Utility model content

The utility model is in view of the shortcomings of the prior art, there is provided a kind of horizontal pressure device of helical spring, can be with spring workpiece Lowering or hoisting gear match, spring workpiece is lifted by lowering or hoisting gear and is sent into precompressed station, mandrel penetrates spring inner hole of workpiece Spring workpiece is positioned, horizontal pressure device carries out multiple-prepressing to spring workpiece, and after the completion of precompressed, lowering or hoisting gear is again from horizontal pressure Lower spring workpiece is inscribed in device.

In order to solve the above-mentioned technical problem, specific embodiment of the present utility model provides a kind of horizontal press fitting of helical spring Put, including：Horizontally disposed main body；First main hydraulic cylinder, in one end of main body, the First piston bar of the first main hydraulic cylinder The first endoporus provided with axial direction；Second main hydraulic cylinder, relative with the first main hydraulic cylinder located at the other end of main body, the second main liquid The second endoporus of axial direction is provided with the second piston bar of cylinder pressure；Mandrel, it can be in axial sliding connection with the second endoporus；Mandrel driving is single Member, the end being located at second piston bar on the outside of main body are connected, and mandrel driver element is connected with mandrel, for driving mandrel Horizontal reciprocating moves.

Preferably, main body includes the first end cap and the second end cap, and the first end cap and the second end cap are led by horizontally disposed Connected to thick stick；First cylinder barrel of the first main hydraulic cylinder is connected with the first end cap, the second cylinder barrel of the second main hydraulic cylinder and the second end Lid connection.

Preferably, the first end cap and the second end cap are square plate-like, and four edges of the first end cap and the second end cap have There is a flange hole；The both ends diameter for being oriented to thick stick is less than two shaft shoulder portions of diameter formation of pars intermedia, both ends small diameter Part is penetrated in the flange hole of the first end cap and the second end cap, and two shoulders are not butted on the end face of the first end cap and the second end cap On, the both ends for being oriented to thick stick are connected with a nut respectively.

Preferably, in addition to the first movable pressing board and the second movable pressing board, the first movable pressing board and the second movable pressing board are equal With the guiding horizontally slidable connection of thick stick, the First piston bar of the first movable pressing board and the first main hydraulic cylinder is located on the inside of main body End is connected, and the second movable pressing board is connected with the end on the inside of main body of the second piston bar of the second main hydraulic cylinder, and first Movable pressing board, the second movable pressing board are respectively provided with pressing plate mesopore.

Preferably, there is axially arranged tooth-strip part, mandrel driver element has driving on one section of outline on mandrel Part and transmission component, actuator are connected by transmission component and tooth-strip part.

Preferably, in addition to the synchronization units of main body front and rear sides is symmetrically set in, synchronization unit includes：3rd sprocket wheel, with First end cap is pivotally connected；Second chain, around the 3rd sprocket wheel, one end of the second chain is connected with the first movable pressing board, and second The other end of chain is connected with the second movable pressing board.Preferably, in addition to controller, controller by hydraulic system respectively with One main hydraulic cylinder, the connection of the second main hydraulic cylinder, for controlling first, second piston rod to move back and forth.

Preferably, in addition to the first position-limiting unit, the first position-limiting unit include：Position transmission lever, with the first movable pressing board Or the second movable pressing board connection, position transmission lever moves horizontally with the first movable pressing board or the second movable pressing board；First Limiting bracket, it is connected with the first end cap or the second end cap, the first limiting bracket is horizontally disposed with；First sensor block, passed with position Pass bar connection；First sensor, on the first limiting bracket, it is connected with controller, when detecting the first sensor block, to control Device processed sends signal, and controller is stopped or moved backward by HYDRAULIC CONTROL SYSTEM First piston bar；3rd sensor, it is located at On first limiting bracket, it is connected with controller, when detecting the first sensor block, sends signal to controller, controller passes through HYDRAULIC CONTROL SYSTEM second piston bar stops or reverse movement.

Preferably, the first sensor block is provided with through hole, and position transmission lever passes through through hole, is threaded with the first sensor block Holding screw, the front end face of holding screw are butted in the transmission lever of position.

Preferably, mandrel is provided with radial protrusion portion, in addition to the second position-limiting unit, the second position-limiting unit include：Second Limiting bracket, it is connected with the housing of mandrel driver element；4th sensor, located at the left side of the second limiting bracket, with controller Connection, signal is sent when the 4th sensor detects radial protrusion portion to controller, and controller control mandrel driver element drives Moving mandrel stops or reverse movement；5th sensor, located at the right side of the second limiting bracket, it is connected with controller, when the 5th Send signal to controller when sensor detects radial protrusion portion, controller control mandrel driver element driving mandrel stop or Person moves backward.

It can be seen from above-mentioned embodiment of the present utility model, the utility model at least has the advantages that： Horizontal pressure device is horizontally disposed with, and mandrel is located in the piston rod of main hydraulic cylinder, and mandrel realizes the support of spring workpiece when stretching out Positioning, and when carrying out precompressed to spring workpiece, mandrel also has guide support effect to spring workpiece；The of main body both ends One end cap and the second end cap are connected by guiding thick stick, on the one hand being oriented to thick stick can play to the first movable pressing board and the second movable pressing board Supporting role, on the other hand it is additionally operable to provide support to the progress precompressed of spring workpiece for main hydraulic cylinder, bears pulling force；Mandrel drives Unit can drive mandrel linear reciprocating motion, and flexible realize is supported positioning or release spring workpiece to spring workpiece； It is easy to carry out accommodation according to helical spring diameter, the different of length, suitable for multiple diameter, the spiral bullet of different lengths Spring precompressed processing requirement；Horizontal pressure device of the present utility model can match with lowering or hoisting gear, be easy to automatically put spring workpiece Enter precompressed station, improve operating efficiency, reduce the labor intensity of worker.

It is to be understood that above-mentioned general description and detailed description below are merely illustrative and illustrative, it is not The scope to be advocated of the utility model can be limited.

Brief description of the drawings

Fig. 1 is a kind of stereogram for embodiment that full automatic screw spring transverse direction preformer embodiment provides；

Fig. 2 is a kind of stereogram for embodiment that full automatic screw spring transverse direction preformer embodiment provides；

Fig. 3 is a kind of right view for embodiment that full automatic screw spring transverse direction preformer embodiment provides；

Fig. 4 is the A-A section views for the embodiment illustrated in fig. 3 that full automatic screw spring transverse direction preformer embodiment provides Figure, i.e. the utility model helical spring transverse pre-pressing device sectional view；

Fig. 5 is a kind of front view for embodiment that full automatic screw spring transverse direction preformer embodiment provides；

Fig. 6 is a kind of second piston for embodiment that the horizontal pressure device embodiment of the utility model helical spring provides The structural representation of bar；

Fig. 7 is that the B-B for the embodiment illustrated in fig. 5 that full automatic screw spring transverse direction preformer embodiment provides is cutd open The sectional view of view, i.e. the mandrel driver element of the horizontal pressure device of the utility model helical spring；

Fig. 8 is a kind of core shaft structure for embodiment that the horizontal pressure device embodiment of the utility model helical spring provides Schematic diagram；

The first of a kind of embodiment that Fig. 9 provides for the horizontal pressure device embodiment of the utility model helical spring is spacing Cellular construction schematic diagram；

Figure 10 is that the C-C for the embodiment illustrated in fig. 5 that full automatic screw spring transverse direction preformer embodiment provides is cutd open View；

Figure 11-Figure 15 is the drawing-in device course of work that full automatic screw spring transverse direction preformer embodiment provides Schematic diagram；

The 3rd of a kind of embodiment that Figure 16 provides for full automatic screw spring transverse direction preformer embodiment is spacing The front view of unit；

Figure 17 is the 3 of the embodiment illustrated in fig. 16 that full automatic screw spring transverse direction preformer embodiment provides The right view of position-limiting unit；

Figure 18 is a kind of top view for embodiment that full automatic screw spring transverse direction preformer embodiment provides；

Figure 19 is a kind of workflow for embodiment that full automatic screw spring transverse direction preloading method embodiment provides Cheng Tu；

Figure 20 is at a kind of precompressed for embodiment that full automatic screw spring transverse direction preloading method embodiment provides Manage workflow diagram；

Figure 21 is a kind of electrical control for embodiment that full automatic screw spring transverse direction preformer embodiment provides Principle schematic.

Description of reference numerals

The horizontal pressure devices of 1-,

11- main bodys, the end caps of 111- first, the end caps of 112- second, 113- are oriented to thick stick, 1131- shaft shoulders portion, and 114- first lives Dynamic pressure plate, the movable pressing boards of 115- second, 1141,1151- pressing plate mesopores, 1142,1152- pilot holes, 116- nuts,

The main hydraulic cylinders of 12- first, the cylinder barrels of 121- first, 122- First piston bars, the endoporus of 1221- first,

The main hydraulic cylinders of 13- second, the cylinder barrels of 131- second, 132- second piston bars, the endoporus of 1321- second, 1322- first Bar portion, the bar portions of 1323- second, 1324- piston portions, 133- tail covers,

The position-limiting units of 14- first, 141- positions transmission lever, the limiting brackets of 142- first, the elongated slots of 1421- first, 143- One sensor block, 144- holding screws, 145- brackets, 146- first sensors, 147- second sensors, 148- 3rd sensors,

15- mandrel driver elements, 151- housings, 152- actuators, 153- transmission components, 1531- first gears, 1532- Second gear, 1533- power transmission shafts, the gears of 1534- the 3rd,

The position-limiting units of 16- second, the limiting brackets of 161- second, the sensors of 162- the 4th, the sensors of 163- the 5th,

17- mandrels, the cylindrical portions of 171- first, 1711- tooth-strip parts, 1712- radial protrusions portion, the cylindrical portions of 172- second；

2- frames,

21- support columns, 22- accommodation spaces；

3- lowering or hoisting gears,

31- workpiece supporting plates, 32- lifting outer barrels, 33- lifting inner cylinders, 34- lifting driving cylinders, 35- wobble drive cylinders,

The position-limiting units of 36- the 3rd, the limiting brackets of 361- the 3rd, 3611- vertical sections, 3612- lateral connection sections, 36111- Second elongated slot, the sensor blocks of 362- second, the sensors of 363- the 6th, the sensors of 364- the 7th,

The bearing pins of 37- first, the bearing pins of 38- second,

The position-limiting units of 39- the 4th,

391st, 391 '-the eight sensor, the sensors of 392- the 9th, the sensors of 393- the tenth,

4- drawing-in devices,

41- feed plates, 411- pressure contacting surfaces, 412- arc-shaped concaves, 43- reset tension springs, 44- cushion blocks；

5- feeding platforms,

50- centralising devices, 51- platform panels, the grooves of 511- first, the grooves of 512- second,

52- the first centering plates, 53- the second centering plates, the leading screws of 54- first, the leading screws of 55- second, the sprocket wheels of 56- first, 57- Second sprocket wheel, the chains of 58- first, 59- projections；

6- outfeed platforms；

7- synchronization units,

The sprocket wheels of 71- the 3rd, the chains of 72- second；

8th, 8a, 8b- spring workpiece；

9- controllers.

Embodiment

By explaining the preferred embodiment of following the application, other objects and advantages of the present utility model will become clear Chu.

As shown in figure 1, full automatic screw spring transverse direction preformer mainly include horizontal pressure device 1, frame 2, lowering or hoisting gear 3, Drawing-in device 4, feeding platform 5 and outfeed platforms 6；In Fig. 1 lower right side marked in the form of reference axis it is upper and lower, forward and backward, left, Right reference direction, the direction description of following figure is identical with the direction marked in Fig. 1, wherein, frame 2 is located at horizontal press fitting Put 1 downside be used for support horizontal pressure device 1, the both sides of frame 2 are respectively provided with a support column 21, and the centre of two support columns 21 is stayed Sky forms accommodation space 21, and lowering or hoisting gear 3 is in the accommodation space 21.Feeding platform 5 is located at the rear side of frame 2, and discharging is flat Platform 6 is located at the front side of frame 2.

As shown in Fig. 2 being provided with drawing-in device 4 between feeding platform 5 and lowering or hoisting gear 3, drawing-in device 4 is used for lifting Device 3 supplies spring workpiece 8.

As shown in Figure 1 to Figure 3, the course of work of full automatic screw spring transverse direction preformer substantially, will treat the bullet of precompressed Spring workpiece 8 (hereinafter referred to as workpiece 8) is arranged on feeding platform 5, and workpiece 8 is rolled on drawing-in device 4, and drawing-in device 4 again will Workpiece 8 is sent into lowering or hoisting gear 3, and lowering or hoisting gear 3, which lifts workpiece 8, is sent into horizontal pressure device 1, and mandrel 17 passes through the endoporus of workpiece 8, Lowering or hoisting gear 3 exits downwards horizontal pressure device 1, and workpiece falls on mandrel 17, and horizontal pressure device 1 carries out multiple-prepressing to workpiece 8, rises Falling unit 3 is served outfeed platforms 6 again from the inscribed lower workpiece 8 of horizontal pressure device 1, completes precompressed.

The detailed construction and operation principle of each part are introduced in detail below.

As shown in figure 1, horizontal pressure device 1 includes main body 11, the first main hydraulic cylinder 12 for being symmetrically set in the both sides of main body 11 and the Two main hydraulic cylinders 13, the first position-limiting unit 14, mandrel driver element 15, the second position-limiting unit 16 and mandrel 17, wherein, the first master The level of 12 and second main hydraulic cylinder of hydraulic cylinder 13 is oppositely arranged, that is to say, that the first main hydraulic cylinder 12 and the second main hydraulic cylinder 13 Piston rod can be stretched out to the center position of horizontal pressure device 1 for prepressing workpiece 8.

As shown in Figures 3 and 4, main body 11 includes the first end cap 111 and the second end cap 112, the first end cap 111 and the second end cap 112 are square plate-like, and four edges of the first end cap 111 and the second end cap 112 are respectively provided with a flange hole.First end cap 111 and second end cap 112 by four be oriented to thick sticks 113 connect.The both ends diameter for being oriented to thick stick 113 is formed less than the diameter of pars intermedia Shaft shoulder portion 1131, the part of both ends small diameter are penetrated in the flange hole of the first end cap 111 and the second end cap 112, two shaft shoulder portions 1131 are butted on the end face of the first end cap 111 and the second end cap 112 respectively, be oriented to thick stick 113 both ends again respectively with a nut 116 connections, the first end cap 111 and the second end cap 112 are fixed.

As shown in figs. 1 and 4, main body 11 also includes the first movable pressing board 114 and the second movable pressing board 115, the first activity pressure Also squarely plate-like, the center of first, second movable pressing board 114,115 have pressing plate to the movable pressing board 115 of plate 114 and second respectively Mesopore 1141,1151, four edges of first, second movable pressing board 114,115 are provided with four pilot holes 1142,1152, are oriented to Hole 1142,1152 is with being oriented to 113 horizontally slidable connection of thick stick.

First, second movable pressing board 114,115 can be to first, second piston rod of first, second main hydraulic cylinder 12,13 122nd, 132 support guide effect is played, that is to say, that when carrying out precompressed processing to workpiece 8, if workpiece 8 deviates first, second The central axis of piston rod 122,132, then first, second piston rod 122,132 can be by the torque deflected, the torque pair It is unfavorable in the piston rod packing of first, second piston rod 122,132, and first, second movable pressing board 114,115 is with being oriented to thick stick 113 horizontally slidable connections, can balance above-mentioned deflection torque, can play a part of protecting piston rod packing, extend work The service life of rod seal.

As shown in figure 4, the left end of main body 11 is provided with the first main hydraulic cylinder 12, the right-hand member of main body 11 is provided with the second main hydraulic cylinder 13, wherein, the first main hydraulic cylinder 12 and the second main hydraulic cylinder 13 are symmetrical arranged.

Wherein, the first main hydraulic cylinder 12 includes the first cylinder barrel 121, the First piston bar 122 in the first cylinder barrel 121, The right-hand member of first cylinder barrel 121 is connected with the left end flange of the first end cap 111, and the center of First piston bar 122 has the of axial direction One endoporus 1221.

Second main hydraulic cylinder 13 includes the second cylinder barrel 131, the second piston bar 132 in the second cylinder barrel 131, the second cylinder The left end of cylinder 131 is connected with the right-hand member flange of the second end cap 112, and the center of second piston bar 132 has the second endoporus of axial direction 1321。

First piston bar 122 is roughly the same with the structure of second piston bar 132, below with the structure of second piston bar 132 It is illustrated, as shown in fig. 6, the middle part of second piston bar 132 has a piston portion 1324, the left side of piston portion 1324 is the One bar portion 1322, the right side of piston portion 1324 is the second bar portion 1323, wherein, the first bar portion 1322, the second bar portion 1323 and work Piston part 1324 is coaxially disposed, in addition, the diameter of the first bar portion 1322 and the second bar portion 1323, length equidimension can with it is identical, Can be different.The right-hand member of second cylinder barrel 131 is provided with tail cover 133, and the second bar portion 1323 is tightly connected with tail cover 133, And passed from the hole of tail cover 133, protruding one section.

As shown in Figure 4 and Figure 6, the first bar portion 1322 is towards the inner side of horizontal pressure device 1, with first, second movable pressing board 114th, 115 flanges connect；Second bar portion 1323 connects towards the outside of horizontal pressure device 1 with the shell 151 of mandrel driver element 15 Connect.

As shown in figure 4, the right-hand member of second piston bar 132 is connected with mandrel driver element 15, mandrel 17 is located at second piston In second endoporus 1321 of bar 132, mandrel driver element 15 can drive mandrel 17 along the straight reciprocating motion of the second endoporus 1321.

A kind of concrete structure of embodiment of mandrel driver element 15 is as shown in fig. 7, wherein, mandrel driver element 15 includes Housing 151, housing 151 are connected with the right-hand member flange of second piston bar 132, and the bottom of housing 151 is provided with actuator 152, driving Part 152 is connected with mandrel 171 by transmission component 153.Fig. 7 shows a kind of the preferred of the transmission component 153 of embodiment Structure, transmission component 153 include first gear 1531, second gear 1532, the gear 1534 of power transmission shaft 1533 and the 3rd, specifically Ground, first gear 1531 and the output axis connection of actuator 152, first gear 1531 engage with second gear 1532, the second tooth Wheel 1532 is driven with the 3rd gear 1534 by power transmission shaft 1533, and the 3rd gear 1534 is connected with mandrel 17, power transmission shaft 1533 both ends are connected with the bearing of housing 151 respectively.

It should be noted that actuator 152 can be hydraulic motor or servomotor.In addition, the He of first gear 1531 The number of teeth of 3rd gear 1534 is less than the number of teeth of second gear 1532, so as to which transmission component 153 can play decelerating effect.

A kind of concrete structure of embodiment of mandrel 17 is as shown in figure 8, wherein, mandrel 17 includes the He of the first cylindrical portion 171 Second cylindrical portion 172 coaxially connected located at the left end of the first cylindrical portion 171 and the first cylindrical portion 171.First cylindrical portion 171 Tooth-strip part 1711 is axially arranged with the downside of external cylindrical surface, the right-hand member of the first cylindrical portion 171 is provided with diameter and is more than the first cylindrical portion 171 Radial protrusion portion 1712, the first cylindrical portion 171 and the second endoporus 1321 can linear slide be connected, tooth-strip part 1711 drives with mandrel 3rd gear 1534 of unit 15 engages.The diameter of second cylindrical portion 172 is less than the diameter of the first cylindrical portion 171, is easy to penetrate In the endoporus of workpiece 8, workpiece 8 is supported as horizontality.

As shown in figure 4, actuator 152 drives mandrel 17 along the second of second piston bar 132 by transmission component 153 The linear reciprocation of endoporus 1321 moves.Second cylindrical portion 172 of mandrel 17 can sequentially pass through pressing plate mesopore 1151, pressing plate from right to left First endoporus 1221 of mesopore 1141 and First piston bar 122.

In precompressed processing procedure, in the pressing plate mesopore 1141 of the first movable pressing board 114, the first of First piston bar 122 Hole 1221 can be that the second cylindrical portion 172 of mandrel 17 provides receiving space.

As shown in figure 5, in order that the first end cap 111 and the second end cap 112 are capable of synchronous inboard/outboard motion, this Utility model also provides a kind of synchronization unit 7 of embodiment, and the synchronization unit 7 includes the 3rd sprocket wheel 71 and the second chain 72, its In, the 3rd sprocket wheel 171 and the first end cap 111 are pivotally connected, and the second chain 72 bypasses the 3rd sprocket wheel 71, and the one of the second chain 72 End is connected with the first movable pressing board 114, and the other end is connected with the second movable pressing board 115.

As shown in figure 5, when the First piston bar 122 of the first main hydraulic cylinder 12 promotes the first movable pressing board 114 to horizontal press fitting When putting 1 center movement, the first movable pressing board 114 pulls the second chain 72, the second chain 72 change side on the 3rd sprocket wheel 71 To the center movement for pulling the second movable pressing board 115 synchronous to horizontal pressure device 1.Similarly, second when the second main hydraulic cylinder 13 lives When the second end cap 112 of pulling of stopper rod 132 moves right, the second chain 72 can pull the first movable pressing board 114 to move to the left.

The synchronism that synchronization unit 7 can play the stretching motion to First piston bar 122 and second piston bar 132 plays Correcting action.

As further preferred embodiment, synchronization unit 7 is two groups, is symmetrically set in the front and rear sides of main body 11, favorably In the horizontal inside uniform force of pressure device 1.The above-mentioned manufacturing cost of synchronization unit 7 is relatively low, the first movable pressing board 114 and the second activity The synchronism of pressing plate 115 is good.

In addition, synchronization unit 7 can also be Hydraulic Synchronizing Valve, the synchronous valve respectively with the first main hydraulic cylinder 12 and second The oil inlet of main hydraulic cylinder 13, oil-out connection, but the cost of this scheme is higher.

In order to control the harmony that each several part moves, the utility model also includes controller 9, and the controller 9 can be PLC, industrial computer etc..PLC model has multiple choices, such as Siemens S7-300, S7-400；Industrial computer is chosen as grinding China IPC-610L etc..

As shown in figure 21, controller 9 respectively with first sensor 146, second sensor 147,3rd sensor 148, Four sensors 162, the 5th sensor 163, the 6th sensor 363, the 7th sensor 364, the 8th sensor the 391, the 9th sensing The sensor 393 of device 392 and the tenth connects.

As shown in figure 21, controller 9 is driven by hydraulic system and the first main hydraulic cylinder 12, the second main hydraulic cylinder 13, lifting Dynamic cylinder 34 and wobble drive cylinder 35 connect.In addition, when actuator 152 is hydraulic motor, controller 9 passes through hydraulic system and liquid Pressure motor connects；When actuator 152 is servomotor, controller 9 directly can be connected with servomotor, by controlling servo Direction of motor rotation and revolution control the moving direction of mandrel 17 and position.

As shown in Fig. 1, Fig. 5 and Fig. 9, for the ease of the first movable pressing board 114 of control and the second movable pressing board 115 inwardly, Outside extreme position, the utility model also provide a kind of the first position-limiting unit 14 of embodiment, specifically, the first position-limiting unit 14 include the limiting bracket 142 of position transmission lever 141 and first.As shown in figure 5, the left end of position transmission lever 141 and the second activity Pressing plate 115 is connected by screw, and during the second 115 bilateral reciprocation of movable pressing board, position transmission lever 141 is with the second activity The side-to-side movement of pressing plate 115.Preferably, the second end cap 112 is provided with bracket 145, and bracket 145 is used for Support Position transmission lever 141, When making position 141 side-to-side movement of transmission lever, position transmission lever 141 remains horizontality.As shown in figure 5, first is spacing The left end of support 142 is connected by screw with the second end cap 112, and the first limiting bracket 142 is provided with the first elongated slot 1421, and first Sensor 146, second sensor 147 and 3rd sensor 148 both pass through the first elongated slot 1421, first, second, third sensor 146th, two nuts are respectively provided with 147,148 external screw threads, can be by first, second, third sensor by two above-mentioned nuts 146th, 147,148 it is individually fixed on the first limiting bracket 142, also, can also be according to the pre- pressure request edge of different length workpiece 8 The position that the first elongated slot 1421 adjusts first, second, third sensor 146,147,148.

As shown in figure 9, first, second, third sensor 146,147,148 has different functions, first sensor 146 For indicating the left side extreme position of the second movable pressing board 115；3rd sensor 148 is used to indicate the second movable pressing board 115 Right limit position, and second sensor 147 is between first sensor 146 and 3rd sensor 148, according to workpiece 8 Length adjustment position, instruction the second movable pressing board 115 by workpiece 8 press and when position.

Specifically, as shown in figs. 5 and 9, to during the horizontal center of pressure device 1 movement, position passes the second movable pressing board 115 Bar 141 is passed as the second movable pressing board 115 is moved to the left, the first sensor block 143 in position transmission lever 141 is also moved to the left, When second sensor 147 detects the first sensor block 143, signal is sent to controller 9, controller 9 passes through hydraulic system control The piston rod stop motion of the main hydraulic cylinder 13 of the first main hydraulic cylinder 12 and second is made, after being kept for some seconds, controller 9 passes through The piston rod of HYDRAULIC CONTROL SYSTEM the first main hydraulic cylinder 12 and the second main hydraulic cylinder 13 is retracted, and then drives the second movable pressing board 115 move right.

If second sensor 147 fails, second movable pressing board 115 continues to be moved to the left, the first sensor 146 Detectable first sensor block 143, first sensor 146 send signal to controller 9, and controller 9 passes through HYDRAULIC CONTROL SYSTEM The main hydraulic cylinder 13 of first main hydraulic cylinder 12 and second stops mobile or moved right, also controllable warning device alarm.

Further, it is also possible to set pressure sensor (not shown) in hydraulic system, the pressure sensor is used to examine The pressure surveyed in the oil feed line of the first main hydraulic cylinder 12 and/or the second main hydraulic cylinder 13, if the confession that pressure sensor detects Pressure in oil pipe line is raised suddenly, and now workpiece 8 is pressed simultaneously, pressure and signal can be sent to controller 9, if controller 9 is delayed Control the piston rod of the main hydraulic cylinder 13 of the first main hydraulic cylinder 12 and second to retract after the dry second, drive the second movable pressing board 115 Move right.

During second movable pressing board 115 moves right, when 3rd sensor 148 detects the first sensor block 143, The 3rd sensor 148 sends signal to controller 9, and the controller 9 passes through the described in HYDRAULIC CONTROL SYSTEM first main hydraulic pressure The piston rod return or stopping of cylinder 12 and second main hydraulic cylinder 13.

It should be noted that foregoing position transmission lever 141 may also be arranged on the first movable pressing board 114, and now, first Also for relative set on the first end cap 111, position and annexation are arranged on second to limiting bracket 142 with position transmission lever 141 It is symmetrical during movable pressing board 115.

As preferred embodiment, as shown in figure 9, being additionally provided with adjustable first sense of right position in position transmission lever 141 Block 143 is answered, specifically, the first sensor block 143 is provided with through hole, and position transmission lever 141 passes through the through hole, in the first sensor block 143 downside is provided with holding screw 144, and the front end face of holding screw 144 is butted in position transmission lever 141.Unscrew holding screw When 144, the position of the first sensor block 143 can be adjusted along position transmission lever 141, after the completion of adjustment, screwing holding screw 144 can Position transmission lever 141 and the relative position of the first sensor block 143 are fixed.By adjust the first sensor block 143 relative to The precompressed that the relative position of position transmission lever 141 can also adapt to different size (the mainly length of spring workpiece) workpiece 8 will Ask.

As shown in figure 5, in order to control the Derivative limit on the left or on the right position of mandrel 17, the present embodiment is also provided with the second spacing list Member 16, the second position-limiting unit 16 includes the second limiting bracket 161, the 4th sensor 162 and the 5th sensor 163, and second is spacing The left end of support 161 is connected with the housing 151 of mandrel driver element 15, the 4th sensor 162 and the 5th sensor 163 interval one Set a distance is fixed on the second limiting bracket 161.4th sensor 162 and the 5th sensor 163 are preferably close to sensor, can By the radial protrusion portion 1712 of the end of detecting core shaft 17 come the position of detecting core shaft 17.In the technical scheme shown in Fig. 5, when When 4th sensor 162 detects radial protrusion portion 1712, mandrel 17 is located at left side extreme position；When the 5th sensor 163 is examined When measuring radial protrusion portion 1712, mandrel 17 is located at right limit position.

As shown in Figure 10 and Figure 11, the present embodiment also provides a kind of lowering or hoisting gear 3 of preferred structure, and the lowering or hoisting gear 3 wraps Workpiece supporting plate 31, lifting outer barrel 32 and lifting inner cylinder 33 are included, wherein, the bottom of lifting outer barrel 32 is connected with frame 2, lifts inner cylinder 33 can slide up and down and be connected with lifting outer barrel 32, and the crown center position for lifting inner cylinder 33 raises up and passed through with workpiece supporting plate 31 First bearing pin 37 connects, and workpiece supporting plate 31 can carry out certain angle model in the plane of the central axis upright with the first bearing pin 37 Enclose interior swing.

It should be noted that the width of the fore-and-aft direction of workpiece planker 31 is less than the guiding thick stick of downside two of horizontal pressure device 1 Minimum range between 113 outline, it can enter when such workpiece supporting plate 31 rises in horizontal pressure device 1.

Lifting driving cylinder 34 provides power for the oscilaltion of workpiece supporting plate 31, and wobble drive cylinder 35 is the swing of workpiece supporting plate Power is provided.Wherein, the cylinder barrel lower end for lifting driving cylinder 34 is connected with frame 2 or lifting outer barrel 32, lifting driving cylinder 34 Piston rod top is rotatably connected with the first bearing pin 37；The cylinder barrel bottom of wobble drive cylinder 35 and lifting inner cylinder 33 are pivotally connected, The piston rod part of wobble drive cylinder 35 is connected with the bottom side of workpiece supporting plate 31 by the second bearing pin 38.

The piston of lifting driving cylinder 34 has two positions, upside extreme position and downside extreme position, such as Figure 10,16 Shown in 17, the top of lifting inner cylinder 33 is connected with the 3rd limiting bracket 361, and the 3rd limiting bracket 361 has vertical section 3611 With in the horizontal lateral connection section 3612 being connected with lifting inner cylinder 33, the second elongated slot 36111 is provided with vertical section 3611.The Two elongated slots 36111 are provided with the second sensor block 362, and the elongated slot 36111 of the second sensor block 362 and second can pass through bolt, spiral shell Mother's connection, it is conveniently adjusted the height and position of the second sensor block 362.The present embodiment also includes the 6th sensor being connected with frame 2 363 and the 7th sensor 364, it is preferably to it is proximity transducer, wherein, the 6th sensor 363 is used to detect lateral connection section 3612, the 7th sensor 364 is used to detect the second sensor block 362.

The piston rod of wobble drive cylinder 35 has three kinds of states：Stretching state, intermediateness and retracted mode.Work as wobble drive When the piston rod of cylinder 35 is located at intermediateness, workpiece supporting plate 31 is horizontal；When the piston rod of wobble drive cylinder 35 is positioned at contracting During the state of returning, workpiece supporting plate 31 is rolled tiltedly, in feed state to drawing-in device 4；Stretched when the piston rod of wobble drive cylinder 35 is located at When doing well, workpiece supporting plate 31 is rolled tiltedly, in discharge state to outfeed platforms 6.

As shown in Figure 10 and Figure 11, the present embodiment can also include a kind of drawing-in device 4 of preferred structure, drawing-in device 4 Between feeding platform 5 and lowering or hoisting gear 3, the drawing-in device 4 includes feed plate 41, and the upside of feed plate 41 has arc recessed Face 412, acclivitous pressure contacting surface 411, the downside of feed plate 41 are provided with towards the side of lowering or hoisting gear 3 in arc-shaped concave 412 Pivotally connected with frame 2, feed plate 42 is additionally provided with reset tension spring 43, one end of reset tension spring 43 close to the side of feeding platform 5 It is connected with feed plate 42, the other end is connected with frame 2.

As shown in Figure 10, be additionally provided with cushion block 44 close to one end of reset tension spring 43 in the downside of feed plate 41, cushion block 44 with Frame 2 connects, and when workpiece supporting plate 31 is not in contact with to pressure contacting surface 411, cushion block 44 supports feed plate 41 as horizontality.

As preferred embodiment, as shown in figure 21, in addition to the 4th position-limiting unit 39, the 4th position-limiting unit 39 include 8th sensor 391, the 9th sensor 392 and the tenth sensor 393.

The principle that lowering or hoisting gear 3 and drawing-in device 4 cooperate is carried out to its course of work below as shown in Figure 11 to 15 Describe in detail.

As shown in figure 11, workpiece 8a is located on the arc-shaped concave 412 of feed plate 41, lift driving cylinder 34 piston rod to Lower retraction.

As shown in figure 12, lift driving cylinder 34 piston rod be retracted into downside extreme position (edge of workpiece supporting plate 31 with The pressure contacting surface 411 of feed plate 41 contacts, or is close positioned at the upside of pressure contacting surface 411 and therewith), lift the work of driving cylinder 34 Stopper rod stop motion, now, workpiece supporting plate 31 are horizontal；9th sensor 392 is connected with frame 2, above-mentioned for detecting The workpiece supporting plate 31 being horizontal (position of the 9th sensor 392 is also shown in Fig. 5, it is located at workpiece supporting plate 31 Right side).When the 9th sensor 392 detects workpiece supporting plate 31, the 9th sensor 392 transmits the workpiece support to controller 9 Plate 31 is located at the signal of horizontality.

As shown in figure 13, the piston rod 35 of wobble drive cylinder 35 is retracted, and drives workpiece supporting plate 31 to rotate, workpiece supporting plate 31 Edge is contacted with pressure contacting surface 411 and presses the side rotation of feed plate 41, and at the same time, the opposite side of feed plate 41 is tilted upward Rise, back-moving spring 43 elongated, feed plate 41 rolls tiltedly to workpiece supporting plate 31, and workpiece supporting plate 31 is in feed state, workpiece 8a from Rolled on feed plate 41 to workpiece supporting plate 31.8th sensor 391 is connected with frame 2, for indicate workpiece supporting plate 31 to feed The side of flitch 41 turns to extreme position, and the 8th sensor 391 can be located at the downside of the feed plate 41, when feed plate 41 is by work When part supporting plate 31 is depressed, the 8th sensor 391 can detect feed plate 41, send signal to controller 9, controller 9 receives To after signal, movement is stopped by the piston rod of HYDRAULIC CONTROL SYSTEM oscillating motor 35.In addition, the 8th sensor 391 ' may be used also To be arranged on workpiece supporting plate 31 close to the downside of one end of feed plate 41, the position by detecting workpiece supporting plate 31 can also be realized The function of stating.

As shown in figure 14, the piston rod of wobble drive cylinder 35 is located at intermediateness, and workpiece supporting plate 31 is horizontal.Lifting The piston rod of driving cylinder 34 is stretched out upwards, and driving workpiece supporting plate 31 is moved up, and workpiece 8a is lifted and carried out into horizontal pressure device 1 Precompressed.Meanwhile under the elastic force effect of reset tension spring 43, feed plate 41 rotates back to horizontality.

As shown in figure 4, in horizontal pressure device 1, mandrel driver element 15 drives mandrel 17 to the inner side of horizontal pressure device 1 first Stretch out, the second cylindrical portion 172 of mandrel 17 passes through workpiece 8a endoporus, and then, the piston rod of lifting driving cylinder 34 is retracted, workpiece Supporting plate 31 is exited from horizontal pressure device 1, and workpiece 8a is rested in horizontal pressure device 1 under the supporting role of the second cylindrical portion 172. The First piston bar 122 of first main hydraulic cylinder 12 promotes the first movable pressing board 114 mobile to centre, meanwhile, the second main hydraulic cylinder 13 second piston bar 132 also promotes the second movable pressing board 115 mobile to centre.First movable pressing board 114 and the second activity pressure Plate 115 carries out precompressed to workpiece 8a, and workpiece 8a is pressed simultaneously, after being kept for some seconds, the first main hydraulic cylinder 12, the second main hydraulic cylinder 13 Drive first, second movable pressing board 114,115 to move laterally respectively again, complete a precompressed.

According to the requirement of spring pre-pressing process, after carrying out precompressed several times, when first, second movable pressing board 114,115 When outside, as shown in figure 14, lifting driving cylinder 34 drives workpiece supporting plate 31 to move up and workpiece 8a is held up into a segment distance, work Part 8a no longer contacts with mandrel 17, and mandrel driver element 15 drives mandrel 17 to exit laterally, and lifting driving cylinder 34 drives workpiece Supporting plate 31 moves downwardly to downside extreme position.

As shown in figure 15, the piston rod of wobble drive cylinder 35 stretches out, and promotes workpiece supporting plate 31 to be rolled tiltedly to outfeed platforms 6, In discharge state, workpiece 8a is rolled to precompressed is completed on outfeed platforms, and workpiece 8b is placed on feed plate 41, and horizontal preformer enters again Enter the workflow that precompressed processing is carried out to workpiece 8b.

Figure 15 also show the position of the tenth sensor 393, and the tenth sensor 393 can be connected with lifting inner cylinder 33, It can be connected with frame 2, the tenth sensor 393 is used to detect whether workpiece supporting plate 31 is moved to discharging shape described in epimere State, when the tenth sensor 393 detects workpiece supporting plate 31, the signal that workpiece supporting plate is in discharge state is sent to controller 9, Controller 9 is stopped by HYDRAULIC CONTROL SYSTEM wobble drive cylinder 35 or counteragent.

Further, it is also possible to be not provided with the tenth sensor 393, and substituted with following technical scheme, the control of controller 9, which is swung, drives The piston rod of dynamic cylinder 35 stops after stretching out some seconds, and principle is by controlling the hydraulic oil that hydraulic system is wobble drive cylinder 35 Infeed amount controls the position of workpiece supporting plate 31, and this scheme can also realize above-mentioned function.

As preferred embodiment, as shown in figure 18, feeding platform 5 also includes centralising device 50, and the one of centralising device 50 The preferable technical scheme of kind is to be arranged with the first groove 511 and the second groove above the platform panel 51 of feeding platform 5 in parallel 512, wherein, be provided with the first leading screw 54 in the first groove in 511, the second groove 512 is interior to be provided with the second leading screw 55；First leading screw 54 Separated with the second leading screw 55 from centre：Half is left hand thread, and second half is right-handed thread.As shown in Figure 10, the first centering The downside of the centering plate 53 of plate 52 and second have embedded first groove 511 and the second groove 512 and with the first leading screw 54, second The projection 59 that thick stick 55 engages.

As shown in figure 18, the first sprocket wheel 56 is provided with the end of the first leading screw 54, the is provided with the end of the second leading screw 55 Two sprocket wheels 57, the first sprocket wheel 56 and the second sprocket wheel 57 are connected by the first chain 58.When rotating the first leading screw 54, second The synchronous axial system in the same direction therewith of thick stick 55, so drive the first centering plate 52 and the second centering plate 53 to the inner side of feeding platform 5 or Outside synchronizing moving, so as to which the lengthwise centers plane of the workpiece 8 of different length and the central plane of horizontal pressure device 1 be aligned.

As shown in figure 19, a kind of full automatic screw spring transverse direction preloading method, is mainly included the following steps that：

S1, lowering or hoisting gear 3 move up from initial position and lift spring workpiece 8 into horizontal pressure device 1；

S2, mandrel 17 pass through the endoporus of spring workpiece 8；

S3, lowering or hoisting gear 3 moves down to be exited from horizontal pressure device 1, and spring workpiece 8 falls on mandrel 17；

S4, horizontal pressure device 1 carry out precompressed processing to spring workpiece 8；

S5, lowering or hoisting gear 3 moves up lifts a segment distance by spring workpiece 8；

S6, mandrel 17 exit from the endoporus of spring workpiece 8；

S7, lowering or hoisting gear 3 accept spring workpiece 8 and are moved downward to initial position.

As preferred embodiment, as shown in figure 20, horizontal pressure device 1 has to the step of progress precompressed processing of spring workpiece 8 Body includes：

The piston rod of S41, the first main hydraulic cylinder 12 and the second main hydraulic cylinder 13, which stretches out, presses spring workpiece 8 simultaneously；

S42, pressure simultaneously state 3 seconds are kept, certainly, according to pre-pressing process need that the time span of holding can also be carried out Adjustment is such as 1 second, 2 seconds, 5 seconds, 6 seconds, 8 seconds, 10 seconds；

The piston rod of S43, the first main hydraulic cylinder 12 and the second main hydraulic cylinder 13 is retracted.

As preferred embodiment, perform multiple following steps S41~S43 repeatedly more times, by press three times and exemplified by, specifically For,

The piston rod of first main hydraulic cylinder 12 and the second main hydraulic cylinder 13 is stretched out for the first time, and spring workpiece 8 is pressed for the first time And；

Kept for pressure and the state very first time, such as 3 seconds；

The piston rod of first main hydraulic cylinder 12 and the second main hydraulic cylinder 13 is retracted to be separated with spring workpiece 8, now It need not be fully retracted；

Second of stretching of the piston rod of first main hydraulic cylinder 12 and the second main hydraulic cylinder 13, by second of the pressure of spring workpiece 8 And；

Kept for pressure and the state very first time, such as 3 seconds；

The piston rod of first main hydraulic cylinder 12 and the second main hydraulic cylinder 13 is retracted to be separated with spring workpiece 8, now Still need not be fully retracted；

The piston rod of first main hydraulic cylinder 12 and the second main hydraulic cylinder 13 third time is stretched out, and spring workpiece 8 is pressed for the third time And；

Kept for pressure and the state very first time, such as 3 seconds；

The piston rod of first main hydraulic cylinder 12 and the second main hydraulic cylinder 13 is fully retracted, and terminates precompressed processing cycle.

The device of the application is described in detail with reference to the optimal technical scheme of the application, however, it is necessary to explanation, not Depart from spirit herein in the case of, those skilled in the art can be made on the basis of above disclosure it is any transformation, Modification and variation.The application includes above-mentioned specific embodiment and its any equivalents.

Claims (7)

1. A kind of 1. horizontal pressure device of helical spring, it is characterised in that including：

   Horizontally disposed main body；

   First main hydraulic cylinder, located at one end of the main body, axial direction is provided with the First piston bar of first main hydraulic cylinder First endoporus；

   Second main hydraulic cylinder, relative with first main hydraulic cylinder located at the other end of the main body, second main hydraulic cylinder Second piston bar in be provided with axial direction the second endoporus；

   Mandrel, it can be in axial sliding connection with second endoporus；

   Mandrel driver element, the end being located at the second piston bar on the outside of the main body are connected, the mandrel driver element It is connected with the mandrel, for driving the mandrel horizontal reciprocating to move.
2. 2. the horizontal pressure device of helical spring according to claim 1, it is characterised in that the main body includes the first end cap and the Two end caps, first end cap and second end cap are connected by horizontally disposed guiding thick stick；First main hydraulic cylinder First cylinder barrel is connected with first end cap, and the second cylinder barrel of second main hydraulic cylinder is connected with second end cap.
3. 3. the horizontal pressure device of helical spring according to claim 2, it is characterised in that first end cap and second end Lid is square plate-like, and four edges of first end cap and second end cap are respectively provided with a flange hole；The guiding thick stick Both ends diameter be less than pars intermedia diameter formed two shaft shoulder portions, the part of both ends small diameter penetrates first end cap In the flange hole of second end cap, two shoulders are not butted on the end face of the first end cap and the second end cap, are oriented to The both ends of thick stick are connected with a nut respectively.
4. 4. the horizontal pressure device of helical spring according to claim 3, it is characterised in that also including the first movable pressing board and second Movable pressing board, first movable pressing board and second movable pressing board are described with the guiding horizontally slidable connection of thick stick The end on the inside of the main body of first movable pressing board and the First piston bar of first main hydraulic cylinder is connected, and described the Two movable pressing boards are connected with the end on the inside of the main body of the second piston bar of second main hydraulic cylinder, and described first Movable pressing board, second movable pressing board are respectively provided with pressing plate mesopore.
5. 5. the horizontal pressure device of helical spring as claimed in any of claims 1 to 4, it is characterised in that on the mandrel One section of outline on there is axially arranged tooth-strip part, the mandrel driver element has actuator and transmission component, described Actuator is connected by the transmission component and the tooth-strip part.
6. 6. the horizontal pressure device of helical spring according to claim 4, it is characterised in that also including synchronization unit, the synchronization Unit includes：

   3rd sprocket wheel, it is pivotally connected with first end cap；

   Second chain, around the 3rd sprocket wheel, one end of second chain is connected with first movable pressing board, and described The other end of two chains is connected with second movable pressing board.
7. 7. the horizontal pressure device of helical spring according to claim 6, it is characterised in that the synchronization unit is symmetrically set in described The front and rear sides of main body.