JPS62500578A - Method and apparatus for manufacturing a rotating body by plastic deformation - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] A method and apparatus for manufacturing a rotating body by plastic deformation The present invention provides a method and apparatus for manufacturing a rotating body by plastic deformation. A compressive force exceeding the yield point of the material is applied locally to the material. The present invention relates to a method of manufacturing a rotating body having different diameters in the hand direction.

In previously known methods of this kind, two parallel compression bands are often used, In the meantime, the material was processed. For this purpose, it has molded ribs and is driven in opposite directions to each other. Two rolls are often used, leaving a roll gap between the rolls. . In that case, many rolls of material are arranged criss-cross at small angles. Determined by forming ribs as they are moved across and through the roll gap The disadvantage is that the action of the compression band begins almost impulsively and lasts only a very short time. A point occurs.

Also, for the production of gelt, one roll and the opposing compression surface that interacts with it. The material is deformed between two parallel compression bands defined by shaped ribs placed on the It has already been proposed that However, it does Due to the lack of possibility of readjustment of the opposing surfaces, sufficient precision cannot be obtained in the finished rotating body .

The object of the present invention is to avoid the above-mentioned drawbacks of the known methods and to provide a method for producing various shaped rotating bodies. The object of the present invention is to propose a method that is suitable for manufacturing and allows gradual application of compressive force.

According to the invention, the material is processed between two mutually intersecting compression bands, with the compression The bands are moved relative to each other, and the lines and lines created by the intersections during the relative movement of the compressed bands are The above objective is achieved by moving the material according to the diameter changes being made. Ru.

By the relative movement of compression bands that intersect with each other and the guidance of the material, any shape can be formed from the material. It is possible to manufacture a rotating body, and in that case, it is possible to compare the compression band against the material. A long period of action is possible.

To produce a rotating body with circumferential grooves, the compression bands that occur during the relative movement of the compression bands must be Preferably, the material is moved generally parallel to the movement of the intersection.

On the other hand, manufacturing a rotating body, such as a screw, having grooves extending in a spiral shape is constructed for a line corresponding to the locus of intersection of compression bands during relative motion. The material may be moved at an angle corresponding to the lead angle of the spiral groove. In that case , for the production of threads, it is preferable to use a material with the desired thread outer diameter. Delicious.

In the case of threads, especially trapezoidal threads, if a material with the above outer diameter is used, the thread In order to form a peak in the pre-metal, the material does not need to flow well on the flank, and The advantage is that it only needs to flow to Frank's ability to flow well is Depending on the circumstances, this may lead to overloading of the material and cracking of the outer circumferential surface of the thread.

In this way, the thread is made of solid material, bridged by the material pushed outward. Guaranteed to be free of cavities and cracks.

On the other hand, when manufacturing a rotating body that has at least two parts with different diameters, The compressed band that connects is at least partially narrowed to the small diameter area of the rotating body being manufactured. width, tilting the material with respect to a line corresponding to the trajectory of the intersection of the compression bands during relative motion. It is preferable to move diagonally.

Another object of the invention is to propose an apparatus for implementing the above method. Ru. Therefore, we have rolls and opposing compression surfaces that interact with the rolls, and these at least one ridge each on the roll and the opposing compression surface, movable relative to the In the snow making machine in which a molded rib is provided, the molded rib is provided according to another feature of the present invention. The bars are arranged to intersect with each other, and a guide for the material reservoir is provided, and the way the guide extends is controlled. proposed to be related to the line defined by the intersection of the forming ribs during rotation of the roll. . This procedure ensures that compression bands that intersect with each other are easily removed, in which case: Depending on the rotating body produced, the course of the intersection of the forming ribs that occurs when the rolls rotate Relatedly, the way the guidance is extended can be selected.

To produce rotating bodies with circumferential grooves, the intersections of the forming ribs are The guide may be made to extend approximately parallel to the line that determines the direction. In that case , it is preferable to subdivide the facing surface into table segments movable radially relative to the roll. Delicious. This ensures that the forming ribs remain in approximately the same axial position during the entire machining period. It will act on the material. If the length of the material being processed is partially recessed or the diameter of the groove is To account for increase by decrease or to harden the wall of the thread In addition, there is a slight difference between the guide and the intersection of the forming ribs that occurs when the roll rotates. A bias can be provided.

By subdividing the opposing surfaces into segments, the molded ribs intersect with each other to It is also possible to feed the face towards the roll to varying degrees. cross each other Circumstances in which the molded ribs can only touch along the generatrix in extreme cases Therefore, the above is possible. On the other hand, it has molded ribs that extend parallel to the In known devices this is not possible. Because, in this case, opposing compression With a change in the radial position of the surfaces, there is a gap between the interaction surfaces of the forming ribs over the entire length of the arc. This is because there is a gap that changes as the temperature changes.

However, in order to manufacture a rotating body with spiral grooves, a forming ring is required during the rotation of the roll. The angle corresponding to the pitch of the grooves to be created with respect to the line determined by the intersection of the grooves. Preferably, the guide extends. The way the guide extends and the forming ribs intersect when the roll rotates. The angle between the line determined by the difference point corresponds to the pitch of the thread to be manufactured. This makes it extremely easy to form threads with only one forming rib that corresponds to the thread. It is possible to do so.

In that case, if you use a material that has the outer diameter of the thread to be made, of course The elongation of the material when indenting the grooves is also taken into account.

To produce a rotating body with at least two parts with different diameters, the rotation of the rolls The guide will now extend at an angle to the line determined by the intersection of the forming lips when then 0 then caused by the inclination during a distance corresponding to one rotation of the material, The difference in the mutual spacing between the above line and guide is smaller than the width of the molded lip, and the difference between the guide and the intersection The difference in the distance between the line and the line in the material feeding area and the area in which the completed rotating body is selected is calculated by rotation. Corresponds to the length of the small diameter part of the rolling body. The material processed by this procedure Compressive force acts not only in the radial direction but also in the axial direction, which facilitates the plastic flow of the material. .

A circuit with a pointed or streamlined end area by means of shaped lips that intersect with each other. It is also possible to produce inverted bodies. To do this, form the molded lips appropriately and mutual rotation. They just need to touch each other during the rolling process.

In a suitable embodiment of the invention, it is also possible to move radially relative to the center roll. Place the segment of the opposing surface on the carriage that is guided so that the carriage preferably movable independently of each other by means of a control drive; can. This makes it very easy to differentiate between material dimensions and hardness or strength. can be compensated. In that case, measure the lateral strain on the completed rotating body using a sampling test method. The signals of the automatic measuring device may also be fed into the control drive. It completes the rotation The opposing compression surfaces can be readjusted so that the body is in the central area of a given tolerance zone. Ru.

According to another feature of the invention, the shape of the forming ribs intersecting each other on the center roll and the opposing surface is Each can be inclined relative to the axis of the center roll. That's it One side of the forming ribs that intersect with each other is arranged perpendicular to the axis of the center roll. It is quite possible. However, in this case, the center roll and the opposing compression surface rotate relative to each other. In addition to the motion, there must also be a relative motion with a component running in the axial direction of the rolls. do not have. The molding lips of the roll and the opposing compression surface are arranged at an angle with respect to the rotation axis of the roll. By doing so, the above-mentioned auxiliary rotation movement becomes unnecessary.

Another object of the present invention is to reduce the material yield of the material while rotating the material around its longitudinal axis. Different diameters or describes an improved method for the production of rotating bodies with axial sections of different diameters and the use of this method. The purpose is to propose a device for implementation.

In this previously known method, a forming lip disposed on a roll is rotated in the opposite direction. It was press-fitted into the material supported by opposed compression rolls that rotated in the same direction. In that case, this The width of the forming rib has a width at least equal to the length of the material section whose diameter is being reduced.

In practice, this means that a compressive force is applied simultaneously over the area of decreasing diameter. means.

However, this requires an extremely high force and, along with it, a large amount of energy. There is a drawback. Moreover, in this known method, the material starts to flow relatively. It is difficult to do so.

According to the invention, therefore, compared to the axial extension of the diameter-reduced zone of the rotating body produced, A compressed band with a small longitudinal dimension of the material is moved axially over the material as the material rotates. I suggest that you do it. This means that when rotating the thin molding lip, it will move axially over the material. This can be done by passing. In that case, the plasticity of the material is Because the sexual flow is forced, deformation is relatively easy and requires only a small amount of force. .

In any case, when the material is locally compressed, a force component acting in the axial direction is also created on the material. This significantly facilitates the flow process induced by compression. .

has a roll that interacts with and is movable relative to the opposing compression surface; The present invention comprises a raised molded lip on both or one of the compression surface and the opposing compression surface. In a device for carrying out the abovementioned variant of the method, according to another feature of the invention compared to the axial extension of the reduced diameter zone of the rotating body in which the molded rib or ribs are manufactured. It is recommended to have a guide with a small width and an inclined guide relative to the molding rib for the material. suggest. This forces the movement of the compression bands in the longitudinal direction of the material.

In the case of manufacturing rotating bodies with circumferential grooves, additional compression of the groove wall area is undesirable.

Such cases arise from the course of the intersection of the forming rig with the center roll and the opposing compression surface. The control groove may be tilted with respect to an imaginary line. This allows the forming ribs to press against the material. This compresses not only the radial direction but also the axial direction against the groove walls to be formed.

According to another feature of the invention in this regard, the central roll has one or more several forming ribs and preferably a plurality of forming ribs which can be displaced radially relative to the rolls; Single or several molded rib galores arranged on opposing compression surfaces subdivided into segments tilted to the axis of rotation of the rolls, intersect each other in the process of mutual relative movement, and Guides are provided for the mutually corresponding edges of the forming ribs as the roll rotates. The material is tilted relative to the line defined by the intersection resulting from the The difference in the mutual spacing between the whip and the guide due to the slope is achieved during a distance corresponding to . It is smaller than the width of the shaped rib, and is used for guiding and interchanging in the feed area of the material and the area for taking out the finished rotating body. The difference in distance from the line determined by the difference point corresponds to the length of the small diameter part of the rotating body. You can do as you like. Thereby, it is possible to work without forming spiral grooves. Pass over the material in the axial direction through the forming rib of a@ compared to the groove or diameter-reduced part to be produced. guaranteed.

However, due to this axial movement, the walls of the groove created or the diameter reduction created A compressive force is exerted by the sides of the forming rib against the shoulder of the part, causing the material in this area to resulting in compression.

Ensures accurate drive and guidance of the material when processing it between the center roll and opposing compression surfaces According to another feature of the invention, the guides are arranged axially relative to each other in the center roll. comprising a drive having at least one, preferably two, spaced apart rotating bodies; A ram is held on this rotating body so that it can move in the longitudinal direction j/(and is attached to the fixed part of the device) It engages with the provided circumferential control groove via a slider, etc., and at that time, two different rotating bodies The rams passed through the rolls are aligned axially opposite and generally parallel to the rotational axis of the roll. and the material is clamped by at least one ram, preferably between two rams. You can make it possible to This action ensures that the material is free of rams and articulating links. preferably each clamped between two mutually axially aligned rams; This is how it is driven.

In that case, the single side or the The plurality of control grooves may extend generally parallel to each other. in addition Therefore, accurate guidance of the material, easy feeding of the material, and easy ejection of the finished rotating body are ensured. It is proved. At that time, in order to compensate for the increase in the length of the material during processing, A slight deviation can be provided.

In a preferred embodiment of the device according to the invention, the mutually facing end regions of the rams is held rotatable about the longitudinal axis of the ram, preferably one The end area of the ram is now spring loaded towards the coaxially aligned ram. ing. Friction between the end face of the blank and the ram is thereby avoided. For example, If the material is stretched axially due to groove stamping or diameter reduction An elastic bearing in the end region of the material prevents excessive compression of the material during processing. Also, Thereby, dimensional deviations of the material can be compensated for. In that case, the end of the ram The zones can be formed with inserts.

According to another feature of the invention, the drive means that the central roll is non-rotatable. A fixed ring gear is provided, and the gear interlocks with a support shaft arranged parallel to the ram. The device may mesh with this ring gear. In that case, the support shaft guides the ram It is held by a rotating body that is non-rotatably fixed to a rotating body or a ram, and the gear system is The circumferential speeds of the center roll and the material can be made equal to each other by adjusting the Ru.

Next, the present invention will be explained in detail based on the drawings.

Figures 1A and 1B show a tool for carrying out the method according to the invention and a tool as described above. Figure 2 is a schematic diagram of the deformation of the material according to Figures 1A and 1B. 3 is a vertical sectional view of an embodiment of the apparatus for carrying out the method according to the invention; FIG. , FIG. 4 is a plan view of the apparatus according to FIG. 3, and FIG. 5 is a plan view of the apparatus according to FIGS. 3 and 4. Figure 6 is an enlarged view of a detail of the ram guide of the device according to Figures 3 and 4. , FIG. 7 is another detailed view of the ram, and FIG. 8 is the drive of the device according to FIGS. 3 and 4. Fig. 10 shows an exploded view of 1, an elevational view of the drive device, and a plan view of the 1 drive device.

Figure 1A is subdivided into 5 segments 2, 3, 4, 5.6, on the opposite compression surface 1. A schematic representation of the shaped ribs 7 and 8 provided is shown. Among them, the molded rib 7 is the completed rotating body 9v used to form the step or shoulder 10 of the On the other hand, the molding rib 8 is completely rotated. It is used for forming the grooves 11 of the body 9v, and is processed at the front end of the opposing compression surface 1. The material 9 has a maximum width and a minimum height at the border to the infeed zone. Is it the tip of the molded rib? , the exit side with respect to the roll 12 shown in FIG. 1B, disposed inside the opposing compression surface. along the path to the end of the molded rib 8 at the edge of the segment 6 of the opposing compression surface 1. The width of the forming rib 8 thus constantly decreases and the height constantly increases. In that case, molding The ribs 8 end in a shape exactly opposite to that of the grooves 11.

The forming rib that forms the shoulder 1θ of the completed rotating body, or the transverse direction of the feeding area to this From the plane The width and height increase until reaching cross section x5.

The center roll 12 shown in FIG. 1B is surrounded by segments 2 to 6 of opposing compression surfaces. It rotates in a space.

However, for convenience of illustration, illustration at the same time was omitted.

Note that the segments of the opposing compression surface 1 in which the tips of the molded ribs 7 and 8 are aligned in the radial direction The relative position of the roll 12 to the points 2 to 6 ensures that the forming ribs 7.8 are at equal height. Install the roll 12 as shown.

Developed view of forming ribs 7 and 8 of opposing compression surface 1 and forming ribs 7' and 8' of roll 12 2, the interaction between the two groups of forming ribs 7 and 8 or 7' and 8' is extremely I can see it well. In that case, the shaping ribs 7 and 8 rise from left to right, whereas The shaped ribs 7' and 8' descend from left to right. Roll 12 is indicated by arrow I3 in FIG. 1B. When the molding ribs 71 and ♂ are rotated in the direction shown in FIG. is moved in the direction of arrow 13.

As is clear from FIGS. 1B and 2, the cross-sectional shape of the molding ribs 71 and 8' is The ribs 7 and 8 vary as well. That is, the molded rib 7' extends from the cross section X to the cross section x5, but the forming rib 8 decreases in width and increases in height at the maximum raised area. Ru.

The opposed compression surface 1 and the molding ribs of the roll 12 are oriented in opposite directions to each other and the axis of the roll 12 is Since they are arranged at an angle with respect to the line, when the roll 12 rotates, these forming rings An intersection of 15VC always occurs, and this intersection also includes an imaginary line roughly parallel to the dashed line 15VC. Tarasu. This imaginary line is the intersection of forming ribs 8 and 8' that occurs when the roll 12 rotates. Corresponds to a locus of points. As is clear from Fig. 2, the material 9 consists of two rams I4, 14' and is guided parallel to line 15. The length of the material when press-molding the grooves In order to take elongation into account, the line 15 mentioned above is slightly inclined with respect to the molding rib 8.

The edge of the molded rib 7 or 7' near the line 15 forms an angle with the line 15, so it is The material 9 is moved between the roll 12 and the opposing compression surface 1 on the path from the cross section X to the cross section x5. Only the compressive force acting in the radial direction due to the increasing height of the forming rib along the path of but also undergoes an axial compressive force acting on the shoulder 10 that is formed. This axial compression The force particularly promotes and facilitates the plastic flow of the material in the axial direction. individual cross sections The change in shape of the material 9 when it reaches X to x5 is illustrated in FIG.

The intermediate product 9' is the material given by the boundary x between segment 2 and segment 3. This corresponds to a degree of deformation of 9.

This is evident in the cross-sectional shape of the molded rib in the cross-section described above. in the same way , the intermediate product 9r1 is the degree of deformation of the material at the cross section x2, and the intermediate product 9I [I is the cross section x3] The degree of deformation of the material, intermediate product 9M, corresponds to the degree of deformation of the cross section x4.

The material is formed into a completed rotating body 9 with a cross section x5.

Intermediate product 9+, 9”, 9”, 9’, 9v) Shape “’C1t’i 1%! 1 As can be seen, the molding ribs 8 and 8' (Fig. 1B) are located at their front ends. forming ribs 7 and 7'; The width increases.

Moreover, as is clear from FIG. 1A, the material 9 is processed by two rams J4. , 14'.

These rams touch each other in the infeed and outfeed areas between the cross sections x5 and In this way, the feeding of the material 9 and the feeding of the completed rotating body 9v are carried out by the roll. It allows for different angles perpendicular to the axis.

In particular, as is clear from FIG. 2, the forming ribs 8 and da for forming the grooves 11 are Processing approximately parallel to line 15, i.e. between roll 12 and opposing compression surface 1 Sometimes it stretches parallel to the path drawn by the material. A slight line 15 to the forming rib 8°8' The inclination is caused by the length of the material being elongated during the indentation of the groove. Useful for compensating for displacements with respect to the material edges.

As shown in Figures 18 to 2, especially Figure 2, the molded ribs are formed in the same shape. When the roll is rotated, the line defined by the intersection of the forming ribs On the other hand, it is possible to change the deformation of the material by simply changing the angle at which the material is guided during mechanical aeration. is possible. Suitably inclined to the forming ribs 8, 8', for example, as shown in FIG. If the material 9 is guided along the dotted line 17, the forming ribs 8° 8' can also be used to create the spiral groove. can be used. In that case, the angle between the forming rib 8.8' and the track of the blank determines the pitch of this spiral groove. The prerequisite for this is the molding process. U of this groove along the rotating body on which the tubes 8, 8' are manufactured!)! just by being narrower be. If this is not the case, the material can be guided at an angle to the forming ribs 8, 8'. A circumferential groove will result whose width exceeds the width of the shaped ribs 8, 8'. In that case, the molding Since compressive force is exerted on the material from the grooves 8 and 8' in the axial direction, the material is fees are compressed.

Molded rib 8. ♂ and the trajectory along which the material 9 is guided between the roll 12 and the opposing surface If 8° is appropriately large, the forming rib 8°8 can also be used for forming the small diameter area of the rotating body 9 to be manufactured. ' can be used. It passes upwards relative to the molding ribs 8, 8'. As long as the material is guided along the trajectory indicated by the dashed line 16 in FIG. good.

In that case, the compression band defined by the forming ribs 8, 8' is axially displaced relative to the material. The compression zone defined by the molded rib 7.7' and the In the case of material guidance by line 15, the boundary of the compression zone moves axially with respect to the material. It's just that.

FIG. 3 shows a vertical sectional view of an apparatus for carrying out the method of the invention. In particular, the diagram shows the axis The receiver or its attachment is shown in a simplified manner. In addition, manufacturing technology reasons and assembly For the sake of simplicity, some combinations of multiple members are shown as one unit. .

The drive motor 20 has one half connected to a rotating mass (flywheel) 22. The shaft 23 is driven through the switch 2. The shaft 23 is fitted with a rolling bearing 24 using a conventional method. supported by the housing 26 via the bevel gear 27 and the sprocket 29 is fixed so that it cannot rotate.

27 bevel gears, another bevel gear 28 fixed non-rotatably to an upright main shaft 30; interlock. The main shaft 30 is attached to a support cylinder 33 connected to the housing 26 with two conical shafts. It is held via filter bearings 31 and 32.

A first guide body 34 is mounted on this support cylinder 33 and fixed thereto. Also , a needle bearing 35 is arranged on the support cylinder 33, and the guide body 34 and the support flange 36 are connected to each other. Therefore, its axial position is determined, and the rotating body 37 including the sprocket 38 is rotated. supported in a rotatable manner.

This rotating body 37 or its sprocket 38 is connected to the driven shaft 41 of the transmission 42. It is connected via two chains 39 to a sprocket 40 that is fixed so as not to rotate. Ru. This transmission device 42 consists of a shaft 23 or a sprocket 29 connected to this shaft. It is driven via two chains 44 and sprockets 43, and is driven via a cantilever receiver 46. and is held in the housing 26'.

The rotating body 37 is connected to another rotating body 47 via a gel 45, and a rolling bearing 48 It is supported by the main shaft 30 via. These two rotating bodies 37 and 47 are further divided into two rotating bodies 37 and 47. The rams 14' are connected to each other via a guide sleeve 49, in which the rams 14' The guide head 50 is guided in an axially movable manner. This guide head 5 0 is a control groove 5 disposed in the guide body 34 by a rotatably held row 251. 2.

The ram 14' passes through the rotating body 47 and is threaded through a bushing 53 within the rotating body 47.

Further, an oil cutting ring 54 is fixed to the rotating body 47, and oil for lubrication is not shown. Used to drain into a circularly arranged sump.

The rotating body 47 is connected to another rotating body 56 via a support member 55. The rotating body 56 Like the rotating body 47, it has a groove guide portion extending in the tangential direction. Konoa The Rimiso guide receives a slider that is part of the drive device shown in Figures 8 to 10. used for

The slider will be explained later based on these figures. For convenience of illustration, the same reference Reference symbols are not shown in Figure 3.

A pusher unit 57 is non-rotatably fixed to the main shaft 30 and includes molded lips 7' and 8'. A roll 12 is fitted onto the bushing body 57 and is prevented from rotating by a tongue and groove joint. function is maintained. A ring gear 58 is fixed to the roll 12.

As will be explained in detail again based on FIG. 8 and FIG. It is transmitted from 8.

A sleeve 59 is fitted onto the stepped portion of the main shaft 30 and is fixed non-rotatably through a tongue and groove joint. determined. A rotating body 62 to which an internal gear 61 is screwed is mounted on this sleeve 59 as a rolling bearing. 60. As is clear from FIG. 5, the internal gear 61 is connected to the intermediate gear 63. interlock. On the other hand, the intermediate gear 63 has another tooth used only for reversing the direction of rotation. It meshes with car 64. Like the intermediate gear 63, the gear 64 is a separate gear fixed to the housing. It is rotatably held by a ring 66 disposed inside a guide body 65. On the other hand, teeth The wheel 64 is disposed on the sleeve 59 and rotates via gears 63 and 64 and a ring gear 61. It meshes with a ring gear that drives the rolling element 62. The rotating body 62 is a rolling bearing 60' The guide body 65 is supported via. The rotating body 62 is removed via the bolt 67 and sleeve 68. The ring 69 is connected to the ring 69, and the ram 14 is rotatably and axially movably passed therethrough. The bushing 53 is held in the ring 69 as well as the rotating body 62.

The guide body 65 is formed in half and supports the main shaft 30 via a rolling bearing 69'. . The guide body 65 is also provided with a control groove 70, and as shown in an enlarged view in FIG. The rotatable roller 51 held by each guide head 71T/C of 4 is engaged with the control groove 70. match. As shown in FIG. 6, the shaft neck 72 supporting the roller 51 has a Therefore, since it engages with the circumferential groove 73 of the ram 14, the ram 14 can rotate, but only in the axial direction. It is immovably held by the guide head 71.

The control groove 70 is connected to the control groove 52 of the guide body 34 over most of the circumference of the guide body 65. They are formed in parallel.

This parallelism is provided only in the infeed and outfeed zones explained on the basis of Figure 1A. The two control grooves separate and rejoin in the area of the control groove.

The guide body 65 is connected to a support arm 75 via a flange 74, and the support arm 75 The main shaft 30 is supported by the sliding bearing. The support arm 75 is fixed to the housing 26'. It is supported by fixed pillars 76. A spindle 77 is disposed on this support 76, and The upper area of It is still in contact with the hole 79. The support arm 75 is tightened to the column 76 by a nut 8Q. Ru. Unscrew the nut 80 and remove it to connect the flange 74 and support arm 75. After being released, the support arm 75 can be lifted and rotated, for example, Another rotating body is manufactured by replacing the roll 12 with another roll having a different structure of forming ribs. It is possible to dismantle the device in order to

Furthermore, in the housing 26' there are five A carry horn 81 is provided. Consists of thrust and radial rolling bearings A housing 82 each having one worm 84 supported by a bearing device 83. Inside, the above-mentioned carriage is guided. The worm 84 comes from the step motor 86 are driven via a transmission 85 and tensioned against each other for adjustment of the worm. It passes through two nuts 87. On the other hand, these nuts 87 are attached to the housing 82. It is connected to a carriage body 88 guided therein.

The Calitsuno main body 8BVC has a recessed weak part that accommodates the resistance wire strain gauge. There is.

A vertical bearing member, designated 90, together with an associated adjusting spindle, is attached to the carriage body 88. guided along the edge. The molded ribs 7 and 8 are supported on this vertical support member 90. The pigment on the facing surface l is fixed.

As will be explained in detail again based on Fig. 8 and Fig. 9, it is provided for controlling the drive device. The holding arm 91 holds the carriage 81 and the rotating connecting link 92. and is held by a support column 76.

The feeding device, best seen in FIG. 4, for the material to be deformed is indicated generally at 93. It is driven from the transmission 42 via a sprocket 94 and a chain 95.

Transmission device 42, gear ratio of sprockets 40 and 38, ring gear 61 and sleeve portion The gear ratio of a transmission consisting of 59 ring gears and 63 and 64 gears is The rotating bodies driven by the It has a speed that is half the peripheral speed of the outer peripheral surface of the roll that supports the forming ribs on the drawing trajectory. It was selected so that

In the carriage 81 shown in cross section in FIG. The ibrator 96 is connected to the opposing compression surface 1. The material 9 is screwed onto the segment, and the opposite compression surface is subjected to high-frequency imaging, thereby causing the material 9 to Facilitate transformation. The material 9 is moved by a drive device not shown in FIG. 4 for convenience of illustration. Thus, it is passed between the segment of the facing surface J and the roll 12.

The feeding device 93 has an inclined chute 97, as can be seen in FIG. S The route 97 sends the material 9 to the star wheel 98. This star wheel 98 is made of a different star wheel 9. Transport to 9. At that time, a guide plate 100 for transferring the material 9 is provided for convenience of illustration. It is fixed to the housing 26' via a holder not shown above.

A plunger 101 is attached to a star wheel 99 that is interlocked with the star wheel 98 and rotates in a different plane. are passed through, but only two of them are shown. This plunger is a star wheel 9 It protrudes beyond the upper end surface of 9 and slides along the cam 102. This cam stands still The material 9 is discharged on the track of the ram 14, 14' which grips or tightens the material 9. let

A magnet 103 is arranged on a horizontal plane different from that of the supply device, and the magnet 103 is arranged on a horizontal plane different from that of the supply device, and the magnet 103 is arranged in a horizontal plane different from that of the supply device, and the magnet 103 is placed in a horizontal plane that is different from the supply device. 1d and J4' to another sheet 104.

A branch 1.05 is attached to the seat 104 and a piston-cylinder device 107 By inserting the deflector plate 106, the rotating body is selectively pulled out and the system is It is possible to reach the measuring device 109 via the route 108 . Measuring device 1 At 09, the rotating body 9V is pushed to the measurement position by the piston 110, where the piston It comes into contact with a stopper 111 that is rotated by a cylinder device 112. the measurement itself is performed by the optical measurement head 113. The optical measurement head 113 receives the measurement results. This signal is sent out in the form of an electrical signal, and this signal is transmitted to a control device (not shown), such as a control device (not shown). Sent to Vita. 11 When the constant value approaches the limit of the predetermined tolerance range, The process computer provides appropriate control to the step motor 86 of the carriage 8. Send commands and adjust accordingly. This allows us to maintain extremely tight tolerances. It is possible.

After measuring the rotating body 9V, stop 111 is performed by cylinder/piston device 112. is swiveled and the cylinder-piston 110 moves the already measured rotating body into the opening 114. advance. The rotating body passes through the opening 114 and slides out through the chute 115. .

FIG. 7 shows an enlarged view of the end areas of the rams 14 and 14'. This end area of the ram It can be rotated around the vertical axis. In that case, a joint member 116 is attached to the end face of the ram 14. is screwed and passes through the horizontal hole 118 of the pointed head 117 and the wall of the joint member 116. The point is held in the splice member 116 by a pin 119 that also passes through it. Pointed head 1 17\'i is held movably in the joint member 116 in the axial direction and under the action of the spring 146. receive. The side hole 118 has a larger diameter than the bottle so that the insert or its slot A slight axial displacement of the point 117 relative to the tube is provided. This means material 9 compensation for slight dimensional differences in the forming ribs 7 and 8 of the opposed compression surface 1 or the roll 12 or 7' and 8' make it possible to compensate for the length elongation of the material during deformation.

A sleeve 121 is coupled onto the threaded stem 120 of the ram 14', and the sleeve 1 A slide bush 122 is inserted into 21 and fixed by an insertion piece 123.

A pointed head 124 is rotatably held in this slide bush 122, with The stepped portion of the pointed head is supported by the slide ring 125, while the slide ring is It is supported by the shoulder of the tube 121.

The rotatable point 124 of the ram 14' and the rotatable point 124 of the ram 14 into the guide head 7 is held between the rams J4, J4' and these rams by a flexible mounting. It is ensured that friction is avoided between the material 9 and the material 9.

The drive device will be described in detail based on FIGS. 8, 9, and 10.

The rotors 47 and 56 have radially projecting dovetail guides 12 that extend tangentially. 6 in part.

Two sliders 127 are movably arranged in each section of the miso guide. Ram 1 4 and 14' pass through between the overhangs of the rotating body, while the support shaft 128 is connected to the slider. 127 is rotatably supported within a hole 129 . Stored on a different rotating body 47 or 56 The held slider 127 is mutually connected via a pressurizing body 130 to which the stay 12 is screwed to the VC. connected to.

The pressurizing bodies 130 are each controlled by one camshaft 131, and the axial direction of the camshaft 131 is The cylindrical protrusions 132 correspond to the radially projecting overhangs of the rotating bodies 47 and 56. It passes through or is rotatably retained in a disposed hole 133. In that case , the upper cylindrical projections 132 are each non-rotatably fixed to one control lever 134. , the protrusion 132 then engages in the hole 135 adjacent to the sleeve J36. this The control lever 134 engages the fixed link 92 during rotation of the two rotating bodies 47,56. slide along.

This connecting link 92 is an arcuate region along which the opposing compression surface 1 extends, and generally describes a circular arc. Communicating The connecting link 92 has a recess in the region of the feed area and the discharge area of the blank 9 or the finished rotating body 9. 137, by means of which the control lever can be pivoted.

Support M12,! l has an area with knurling, and this area is the material 9 contact and drive it. The support shaft is driven by a gear 138 fixed to the support shaft. It is done. This gear 138 meshes with an intermediate gear 139, and the intermediate gear 139 Each is rotatably supported in a holder 140 together with a gear 138 . and middle The gear 139 is a ring gear connected to the roll 12 that carries the forming ribs 7/sl. It meshes with 58. In that case, the rotation provided by the ring gear 58 and the support shaft 128 Due to the speed difference between the holder 140 that participates in motion based on the interlocking with the rolling bodies 47 and 56. As a result, the support shaft is driven together with the transfer of the intermediate gear 139.

As is clear from FIGS. 9 and 10, the holders 14θ are closely related to each other. The bottles 14 are connected to each other, with both holders 140 being supported by two springs 142. It is stressed by Vc.

The control lever 134 is biased as far as it slides along the arcuate section of the connecting link 92. The camshaft 131 fixed to the control lever slides together with the pressure body 130 and the pressure body. The support shaft 128 held by the slider 127 is transferred to the ram 14°14' and together with it. Press it against the material 9 to be shaped. At that time, the holder 140 also moves against the force of the spring 142. They are separated from each other. One of the control levers 134 slides into the recess in the connecting link. When pushed in, this lever can be biased and the spring 142 pushes the support shaft 128 away from the ram. Since it can be released, the control lever 134 can also be rotated through the rotation of the camshaft 131. , is brought into contact with connecting link 92 by spring 142.

As is clear from FIG. 10, the intermediate gear 139 rotates on two horizontal planes, and one side The sides are rotatably fixed to a shaft neck held in the holder 140 in question. transmission, 58, 139, 1313 gear ratio and support shaft 128 or knurling area support The diameter of the shaft is equal to and tangent to the peripheral speed of the knurled area of the support shaft 128. The circumferential speed of the material 9 is made equal to the circumferential speed of the outer circumferential surface of the roll 12 that supports the forming ribs. , coordinate with each other. As shown by the arrow in FIG. 10, the material 9 is a stationary opposed compression surface. 1 and roll 12 can already be rotated by simply rolling along the outer circumferential surfaces of the material. It is also possible for the material to slip along these surfaces during deformation. The support shaft This is prevented by auxiliary driving of the material. In that case, it is clear in Figure 10. Each material 9 is attached to a support shaft 128 held by a pair of adjacent holders 140 so that In between, it is always supported and driven.

As is clear from FIG. 8, the pressurizing body 130 has an axial groove facing the support shaft 12B. and is held by a rolling element 144 that protrudes beyond the outer edge of the groove 145. Thereby Friction between the support shaft and the pressure body 130 is largely avoided.

When the control lever 134 transitions from the circular area of the connecting link 92 to the recess 137, The two holders 140 connected to the bin 141 are then brought close together by the spring 142t/C. Due to this contact, an auxiliary movement of the intermediate gear 139 relative to the ring gear 58 takes place.

This auxiliary movement brings about a change in the rotational speed of the support shaft, but at that time the support shaft 128 This change is not significant as it moves away from 9.

The control grooves 52 , 70 that determine the path of the blank 9 are hidden by the opposing compression surface 1 . 1A, or parallel to this line. outside this area , the course of the control groove has an opposite bulge, with a circumferential control groove 52.70 are further apart and are approaching each other again, so that in this area the material 9 or the rotating body 9v The material is not tightened at all, and the material can be fed in and the completed rotating body can be discharged.

Of course, the control grooves 52 and 70 differ from line 15 in FIG. 1 in the area corresponding to the opposing compression surface 1. It may take a similar course and extend parallel to line 16 or 17 in FIG. 2, for example.

This depends on the shape of the rotating body 9 to be manufactured and the structure of the molded ribs 7.8 near/sl. Involved.

In the illustrated embodiment, the opposing compression surface has a similar curvature as the roll 12. But this This is by no means absolutely necessary. A flat opposing compression surface is provided and a roller is placed on it. -Ra can also go and exercise. In that case, the opposing compression surface should be aligned with the axis of the roll. It does not matter whether the roll is moved parallel to the opposing compression surface.

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Claims (17)

[Claims] 1. While rotating the material, a compressive force that exceeds the yield point of the material is applied locally. This makes it possible to press-form circumferential grooves, threads or diameter steps, or to create different diameters along the length. In the method for manufacturing a rotating body, a material is compressed between two compression bands that intersect with each other. The compression bands are moved relative to each other, and the intersections are moved during the relative movement of the compression bands. Therefore, the material is moved according to the resulting line and the diameter change of the single or multiple pieces created. A method characterized by: 2. The material is moved roughly parallel to the locus of the intersection of the compressive forces that occur during the relative movement of the compressed bands. Claim No. 1 for the manufacture of a rotating body having a circumferential groove characterized in that it moves The method described in Section 1. 3. The curve created for the line corresponding to the locus of the intersection of the compression bands during relative motion. The material is moved at an angle corresponding to the lead angle of the flute, with a suitable angle for making the thread. Preferably, a helix characterized by using a material having a desired outer diameter of the thread. 2. A method as claimed in claim 1 for producing a rotating body with grooves. 4. If the compression bands intersecting each other are fewer than the small diameter sections of the rotating body being manufactured, is also partially narrow and corresponds to the line corresponding to the locus of intersection of the compression bands during relative motion. at least two sections of different diameters, characterized in that the material is moved obliquely by 2. A method as claimed in claim 1 for producing individual rotating bodies. 5. It has a roll and opposing compression surfaces that interact with the roll, so that they are relative to each other. at least one raised forming ring on each of the roll and the opposing compression surface. The method according to any one of claims 1 to 4, wherein the In the device for carrying out the method, the molding ribs (7, 8, 7', 8') cross each other. A guide for the material (9) is provided, and the course of the guide is ) is characterized by relating to the line determined by the intersection of the forming ribs during the rotation of Device. 6. When the roll (12) rotates, the intersection of the forming ribs (7, 8, 7', 8') The guide extends approximately parallel to the line and the opposing surface (1) preferably has a low segments (2, 3, 4, 5, 6) that are movable in the radial direction relative to the wheel (12). A circumferential groove formed by the method according to claim 2, characterized in that the circumferential groove is subdivided. An apparatus according to claim 5 for manufacturing a rotating body having: 7. When the roll (12) rotates, the intersection of the forming ribs (7, 8, 7', 8') The guide passes at an angle corresponding to the pitch of the grooves to be created, relative to the line that is to be created. A rotating body having a spiral groove according to the method according to claim 3, characterized in that: Apparatus according to claim 5 for the manufacture of. 8. When the roll (12) rotates, the intersection of the forming ribs (7, 8, 7', 8') The guide is inclined with respect to a line that The difference in the mutual spacing between the lines and guides caused by the forming ribs (7, 8, 7', Material (9) with a width smaller than the width of 8') and the distance between the guide and the line determined by the intersection. The difference between the feeding area and the take-out area of the completed rotating body (9v) is the small size of the rotating body (9v). The method according to claim 4, which corresponds to the length of a portion with a small diameter. Claims for the manufacture of rotating bodies with at least two parts of different diameters according to the law Apparatus according to scope 5. 9. a carrier guided so as to be radially movable relative to the central roll (12); The segments (2, 3, 4, 5, 6) of the opposing surface (1) are arranged on the edge (81), and the key The carriages (81) are preferably independent of each other by means of control drives (85, 86). Any one of claims 5 to 8, characterized in that it is movable to 1. The device according to 1. 10. Forming ribs (7, 8, 7', 8') are inclined with respect to the axis of the center roll (12). An apparatus according to any one of claims 5 to 9, characterized in that: 11. While rotating the material around the vertical axis, compressive force exceeding the yield point of the material is locally applied. In addition, different diameters or axial sections of different diameters at both ends reduce the diameter of the material. In the method for manufacturing a rotating body having: A compressed band whose length in the longitudinal direction of the material is smaller than the length of the material is compressed in the axial direction when the material is rotated. A method characterized by moving the top. 12. having rolls that interact with and are movable relative to the opposing compression surface; , the roll and the opposing compression surface are provided with both or one of the raised molding ribs. Scope of Claims In the apparatus for carrying out the method described in item 11, one or more The axial extension of the diameter-reduced zone of the rotating body (9v) in which the shaped ribs (7, 7') of It has a small width compared to its length, and for the material (9) it is against the molding rib (7.7') A device characterized in that it is provided with an inclined guide. 13. having rolls that interact with and are movable relative to the opposing compression surface; , the roll and the opposing compression surface are provided with both or one of the raised molding ribs. Scope of Claim An apparatus for carrying out the method according to item 12, comprising a center roll (12 ) and preferably one or more forming ribs (7') arranged on the roll (12 ) into multiple segments (2, 3, 4, 5, 6) that can be displaced radially with respect to One or more forming ribs (7) arranged on the subdivided opposed compression surface (1) are inclined with respect to the axis of rotation of the wheel (12) and intersecting each other in the process of mutual relative movement; and a guide for the material (9) is provided, so that when the roll (12) rotates, the forming rib For the line defined by the intersection arising from the mutually corresponding edges of (7, 7') the above line based on the slope during a distance corresponding to one revolution of the material. and the difference in the mutual spacing between the guides is smaller than the width of the forming ribs (7, 7', 8, 8'). Guidance and intersection in the feed area of the material (9) and the take-out area of the finished rotating body (9v) The difference in distance from the line determined by the point is the length of the small diameter part of the rotating body (9v) A device characterized by being equivalent to. 14. Preferably at least one guide is spaced apart from each other in the axial direction of the center roll (12). Preferably, it consists of a drive device having two rotating bodies (34, 47; 62, 69), A ram (14, 14') is held on this rotating body so as to be able to move vertically, and the device It engages with the circumferential control groove (52, 70) provided in the fixed part of the , the ram (14) passing through two different rotating bodies (34, 47; 62, 69). , 14') are axially opposed to each other and approximately parallel to the rotation axis of the roll (12). The material is aligned and the material is separated by at least one ram (14, 14'), preferably two rams (14, 14'). The apparatus according to items 1 to 10, 12, and 13. 15. At least the mutually facing end areas of the rams (14, 14') 14') for rotation about a longitudinal axis, preferably with one lug The end section of the ram (14) biases the spring towards the coaxially aligned ram (14'). 15. Device according to claim 14, characterized in that it is loaded. 16. A ring gear (58) non-rotatably fixed to the center roll (12) for the drive ) is provided and interlocks with a support shaft (128) arranged parallel to the ram (1414'). A gear device (139, 138) meshes with this ring gear, and at the same time the support shaft (12 8) is a rotating body that guides the ram or a rotating body (47, 5) fixed to the ram in a non-rotatable manner. 15. Device according to claim 14, characterized in that it is held in 6). 17. Control grooves, except for the feeding and unloading areas of the material (9) or rotating body (9v) Claim 14, characterized in that (52, 70) run approximately parallel to each other. Equipment described in Section.