JOINT PROCESSING POINT WELDING MECHANISM

Abstract

The invention relates to a purlin machining center device (1) comprising a first center (10) and a second center (20) that enables the purlin (100) to be held from opposite sides during machining on a lathe. The novelty of the invention is that the first center (10) has a spring-loaded center mechanism (30) comprising at least one movable center element (32) that is structured to fit into a centering recess (101) of the purlin (100) and can move in the axial direction, at least one elastic element (33) in contact with the said movable center element (32) and at least one support surface (34) that enables the axial position of the purlin (100) to be determined by contact with a reference surface (102) of the purlin (100).Thus, the purlins (100) with different depths of centering recess (101) are made to adapt to different recess depths thanks to the axial movement of the movable tailstock element (32) and are kept in the same axial machining position by contacting the reference surface (102) with the support surface (34). The invention may also include at least one holding element (35) that enables the rotational movement of the first tailstock (10) to be transferred to the purlin (100). Figure 1

Description

1 TARIFF JOINT PROCESSING POINT WELDING MECHANISM TECHNICAL AREA 5 The invention involves positioning, holding, and machining the lovers on a lathe. It relates to a purlin machining point mechanism used for turning. PREVIOUS TECHNIQUE 10 In the production of spherical joint elements called alinks, after cold forging... The resulting workpieces are machined on CNC lathes. This machining process... During this process, the point of contact is between the fixed point and the movable point, which are positioned opposite each other. held in place by clamping and rotated by means of a mirror, the cutting tool cuts the required surfaces 15 is being processed. In current applications, the fixed point is located behind the spherical part of the purlin. The centering recess is fitted with a movable tailstock, which is then subjected to axial force from the opposite side. By applying this method, the workpiece is clamped between the centers. In this way, the workpiece... centering the part on the lathe and holding it during machining is intended. 20 However, the depth of the centering indentation formed after cold forging is a matter of course. It can vary between the parts. The fixed point in the said recess Differences in recess depth due to seating position, axial movement of the workpiece on the lathe This can cause a change in its position. In contrast, the machining motion of the cutting tool is 25 Since the process is carried out according to a predetermined position on the machine, the axial movement of the workpiece The displacement in this direction causes a change in the critical dimension between the sphere and the processed region, and the word This can lead to the measurement exceeding the tolerance limits. Especially in different jobs. The centering indentation in the parts may be deeper or shallower, or the spherical part may be deeper or shallower. its placement in different positions relative to the fixed point and the production repeatability 30 This leads to a decrease. Current spot welding systems also require the workpiece to be rotated along with the chuck. Sufficient mechanical grip must be ensured between the center point and the workpiece. Center point In cases where the contact between the tool and the workpiece occurs solely for centering purposes, 35 the workpiece rotates together with the chuck under the resistance created by the cutting tool A deficiency may occur. 2 In conclusion, all the problems mentioned above necessitate an innovation in the relevant technical field. It has made it mandatory. BRIEF DESCRIPTION OF THE INVENTION 5 The present invention aims to eliminate the aforementioned disadvantages and contribute to the relevant technical field. It is related to a purlin machining point assembly, aiming to bring new advantages. One aim of the invention is to ensure that the centering recess of the lovers is 10 during machining on a lathe. by reducing axial position changes caused by depth of field of view of the workpiece a purlin machining point mechanism that allows the purlin to be held in a repeatable reference position to reveal. Another objective of the invention is to align the reference surface on the purlin with a specific bearing surface 15 By ensuring it sits properly, the tolerance limits of the critical dimension between the sphere and the processed area are established. The goal is to create a point saw mechanism that allows for the processing of a knitted object within it. Another purpose of the invention is to enable drilling at different depths thanks to the spring-loaded point mechanism. capable of adapting to centering recesses and yet maintaining the axial reference of the purlin. The goal is to create a purlin machining point mechanism that can maintain its position. All the purposes mentioned above and those that will emerge from the detailed explanation below. The present invention, intended to be realized, involves the processing of a lover's body on a lathe. The aforementioned lover is held by a first point and a second point, 25, allowing the two sides to hold each other. It relates to a purlin processing system that includes a point. Accordingly, its innovation lies in the fact that the first point, The purlin is structured to fit into a centering recess and move in the axial direction. at least one movable tailstock element capable of handling, and at least one element in contact with the movable tailstock element. The axial position of the purlin is determined by the contact of the elastic element and a reference surface of the purlin. 30 a spring-loaded pivot mechanism that includes at least one support surface enabling its determination It has the characteristic of having a movable center point. Thus, differences in the depth of the centering recess allow for adjustments. the axial movement of the element is counteracted by the reference surface of the purlin and the bearing. Thanks to its contact with the surface, each purlin is in the same axial reference position. By maintaining this, it is ensured that critical processing measurements are obtained in a repeatable manner. 35 A feature of a possible design of the invention is that the spring-loaded tailstock mechanism is a movable tailstock. the aforementioned movable tailstock that directs the axial movement of the element 3 It must contain at least one guide housing that contains the element. Thus, the movable Centering is achieved by allowing the center element to move in a specific axial direction. It is able to adapt to different depths of indentation. A feature of a possible construction of the invention is that the first point, the aforementioned guide sleeve 5 and containing an elastic element that will be attached to the chuck of the lathe. It must contain at least one main body structured in this way. Thus, the guide sleeve and elastic the element is transported within the main body and the first point is made with the chuck of the lathe. Mechanical connection is ensured. A feature of a possible design of the invention is that the movable tailstock element is positioned within the guide bushing. positioned so that it can move axially back and forth within it and the elastic element is in contact with the movable center element within the main body. This is due to its positioning. Thus, the axial movement of the movable center element from the purlin. 15 and is guided towards the sash by means of an elastic element. A feature of a possible design of the invention is that the elastic element connects to the movable point element. the axial force from the purlin that reinforces the movable pivot element towards the purlin. The key is that there must be at least one spring underneath that allows it to move back. Thus, the movable point 20 the element is pulled back under the axial force applied by the purlin and the said When the force is removed, it is able to move forward again. A feature of a possible design of the invention is that the bearing surface is attached to the guide bushing. The guide bushing of the purlin's reference surface is located at the end of the guide bushing. Thus, the guide bushing of the purlin's reference surface is at end 25. The axial processing position of the purlin is determined by its contact with the support surface at that point. This ensures that the centering recess is determined independently of its depth. A characteristic feature of a possible construction of the invention is that the second point is aligned with the first point. by moving the movable center element, the axial movement of the elastic element is 30 and in such a way as to ensure that the reference surface makes contact with the support surface. and its ability to move back. Thus, with the axial force applied by the second point retraction of the movable center element and the purlin's reference surface to the bearing surface. It is positioned so that it is held in the determined axial position. 35 A feature of a possible design of the invention is that the guide sleeve is located inside the main body. It is connected in a detachable way so that it can be removed. Thus, the guide 4 by removing the bushing from the main body and attaching it to different purlin geometries or point end It is possible to use guide housings that are suitable for their structures. A feature of a possible design of the invention is that the first point, the rotational movement of the purlin at least one 5 that is mechanically connected to the surface of the lover to enable the transfer of power. It contains a gripping element. Thus, the rotational movement of the first point is captured by the gripping element. by ensuring that the rotational resistance created by the cutting tool is transferred from the cutting tool to the slab. It is possible to rotate the lover underneath along with the first point. A feature of a possible design of the invention is that the mentioned gripping element is movable 10 The point element must have at least one protrusion extending outwards from its side surface. Thus, the projection extending from the side surface of the movable tailstock element is mechanically connected to the purlin. Thanks to the connection, the rotational moment of the first point is transferred to the purlin. is provided. A characteristic feature of a possible design of the invention is that the aforementioned retaining element is a support. It consists of successive protrusions and grooves formed on its surface and extending towards the spur. This is due to the presence of an interlocking profile. Thus, the reference surface of the purlin is connected to the bearing surface. During compression, the interlocking profile is ensured to establish mechanical contact with the purlin. Furthermore, the torque of the spur is 20 without the need for an independent attachment piece. It is possible to transfer it. A characteristic feature of a possible design of the invention is that the aforementioned gripping element, firstly The point must have at least one pointed projection extending from the part of the point facing the sash towards the sash. Thus, the pointed projection adheres to the purlin surface under compressive force or partially adheres to it. 25 By penetrating the surface, a mechanical connection is established between the first point and the purlin, enabling rotation. The movement is thus transferred to the lover. A feature of a possible configuration of the invention is that the main body is positioned on the chuck of the lathe. It is structured to rotate together with the mirror by being connected. Thus, lathe 30 the rotational movement of the lathe's chuck is transmitted through the main body to the first center point, and The first point is rotated together with the mirror. A feature of a possible construction of the invention is that the aforementioned reference surface is spherical, like the purlin. located at the rear of the region and in contact with the support surface, the axial 35 of the purlin It is a surface that allows the determination of its position. Thus, the spherical region of the lover The axial movement of the purlin occurs when the reference surface on its back contacts the support surface. the repeatable determination of its location and other regions processed within the global area The critical measurement between them is ensured to be obtained within the tolerance limits. BRIEF DESCRIPTION OF THE FIGURES Figure 1 shows a representation of the purlin being machined in the purlin machining system, which is the subject of the invention. The appearance is given. Figure 2 shows a cross-section of the purlin machining point weld mechanism as described in Figure 1. The appearance is given. 10 Figure 3 shows the side of the movable center element in the purlin machining center mechanism, which is the subject of the invention. A representative view of a structure having at least one anchoring element extending from its surface. It has been given. Figure 4 shows the invention, a purlin machining point welding mechanism, with sequential movements on the support surface. a fastening element structure with an interlocking profile consisting of protrusions and grooves A representative view is given. In Figure 5, the invention is a point sawing mechanism for purlin processing with at least one pointed end extending towards the purlin. A representative view of the retaining element structure with a protruding section is given. DETAILED DESCRIPTION OF THE INVENTION In this detailed explanation, the subject of the invention, the point sawing device (1), is only 25% of the subject. This is explained with examples that do not create any limiting effects on a better understanding. Figure 1 shows the situation where the purlin machining point mechanism (1) of the invention machining the purlin. A representative view showing the process is given. The purlin processing point mechanism (1), especially in cold During the machining of a lover (100) obtained after forging, the lover's 30 (100) Determining the axial position, holding it during machining and the lathe It enables it to be rotated with the rotational motion. The aforementioned lover (100) is spherical. having a region and other regions to be dealt with within that global region Maintaining the distance between them within the specified tolerances is important. Machining point mechanism (1), occurring in the centering recesses (101) of different purlins (100) 35 the reflection of possible depth differences on the axial position of the sash during machining It is structured in a way that will reduce it. 6 The purlin machining point mechanism (1) ensures that the purlin (100) is held from two opposite sides. It includes a first point (10) and a second point (20). The first point (10) and the second point (20) can be positioned opposite each other in such a way that the lover (100) can be positioned between them. It is placed. In the preferred configuration, the first point (10) is the chuck of the lathe. It is located on the side and rotates together with the mirror. The second point (20) is the lover's (100) 5 It is located on the opposite side and moves back and forth along the axis of the lathe. It is structured as a mobile point that can do. The second point (20) towards the lover (100) With its progress, the lover (100) moves axially between the first point (10) and the second point (20). It is being compressed. In other words, the first point (10) is fixed in the axial direction while the second The point (20) is a 10 that moves axially away from and towards the first point (10). It is a movable point. The first point (10) is a main body (11) connected to the chuck of the lathe. It includes the main body (11), the other components of the first point (10) on and inside. It is a supporting structure and rotates together with the mirror. Inside the main body (11), the lover (100) 15 In order to center it with respect to the first point (10) and determine its axial position, There is a spring-loaded point mechanism (30). The spring-loaded point mechanism (30) is located in the purlin (100) Even if the depth of the centering indentation (101) is different, the purlin (100) has a determined reference It allows it to be positioned correctly. The spring-loaded tailstock mechanism (30) has at least one guide located inside the main body (11). The guide housing (31) is the most axially movable inside the aforementioned guide housing (31). a small movable tailstock element (32) and at least one connected with the movable tailstock element (32). It contains an elastic element (33). The guide sleeve (31) contains the movable tailstock element (32) directing its movement in the axial direction and the first 25 of the movable tailstock element (32). holding the point (10) in a specific direction of movement relative to the main body (11). It provides. In the preferred configuration, the guide housing (31) can be removed from inside the main body (11). It is positioned in a detachable manner. The movable tailstock element (32) also has a guide sleeve 30 It can be extracted from the first point (10) in relation to (31). Thus, different lover Guide sleeve (31) and movable suitable for their geometries or different point end configurations The point element (32) can be used. However, the working principle of the invention In terms of maintenance, it is not necessary for the guide housing (31) to be removable. 35 The movable tailstock element (32) moves forward and backward in the axial direction inside the guide sleeve (31). It is positioned in such a way that it can move. The movable point element (32) is attached to the purlin (100) 7 The facing end is structured to fit into the centering recess (101) of the lover. The centering recess (101) is formed during the production of the purlin (100) and the purlin's point. It is an indentation that allows for centering through a cold forging and similar methods. The depth of the centering recess (101) differs for purlins due to production processes It can vary between (100). 5 If the movable tailstock element (32) is in a fixed axial position, depth differences, the purlin (100) is in different axial positions relative to the first point (10). This can cause it to get stuck. In the spring-loaded tailstock mechanism (30), the movable tailstock Since element (32) can move axially inside the guide bushing (31), 10 It adapts to different depths of the centering recess (101). Accordingly Dimensional difference of the centering recess (101), axial of the movable tailstock element (32) is met with movement and the difference in question is the final processing position of the lover (100) This determination is prevented. The elastic element (33) is inside the main body (11) of the first point (10) and the movable point. The elastic element (33) is positioned in connection with the movable point. to ensure that the element (32) is directed towards the spear (100) and the movable point It is possible for the element (32) to move backward under the axial force coming from the spur. It provides. In the preferred configuration, the elastic element (33) is a spring. A more specific 20 In the structure, the elastic element (33) is behind the movable point element (32). It is arranged as a helical spring located on one side. The second point (20) moves towards the spear (100) and the spear (100) moves towards the first point (10). When pushed, the movable point element (32) is inside the centering recess (101) of the purlin 25 it continues to be and due to the axial force from the spur, the elastic element (33) It is moving backward. During this time, the elastic element (33) is compressed. At least one support surface (34) on the end of the guide bushing (31) facing the purlin (100) It is located. The support surface (34) is at least 30 inches from the end of the guide sleeve (31) that is facing the sash. It can be formed by a small part of it. On the Aşık (100) the mentioned support There is a reference surface (102) to contact the surface (34). The preferred In the structure, the reference surface (102) is the spherical region of the purlin (100), to the first point (10) He is on the minister's side. 35 When the second point (20) pushes the sash (100) towards the first point (10), the movable point element (32) while remaining inside the centering recess (101) the elastic element 8 (33) moves backward. During this time, the purlin (100) guides the reference surface (102). until it touches the support surface (34) located at the end of the casing (31) It is moving towards the point (10). The reference surface (102) contacts the support surface (34). By doing so, the axial position of the lover (100) relative to the first point (10) is determined. Thus, the final machining position of the lover (100) on the lathe is the centering recess. (101) not according to the position of the base or end point, but with the reference surface (102) It is determined according to the contact between the surface (34). The centering indentation (101) is more The difference that arises whether it is deeper or shallower is due to the movable point element (32) This is counteracted by the axial movement inside the guide bushing (31). Therefore, different 10 The purlins (100) with centering recess (101) depths, reference surfaces (102) the same in a common axial reference position in contact with the support surface (34) It can be held within the centering recess (101) of the movable center element (32). positioning and depth of centering recess (101) by means of elastic element (33) If it adapts, it is necessary to maintain the centering relationship of the lover (100) and the first point (10) 15 It allows it to be held properly between the second point (20). The reference surface (102) is a flat surface in the preferred configuration. However The reference surface (102) does not necessarily have to be flat. The axial (100) of the purlin enabling the repeatable determination of its position and with the support surface (34) and 20 Surfaces with different geometries that can form contact are also considered as reference surfaces (102). It can be used. Similarly, the support surface (34) is the reference surface (102) It can be arranged to create a contact that is appropriate to its geometry. This structure is particularly important during machining carried out on a lathe. 25 It carries a cutting tool on the lathe, following a predetermined tool path and machining action. It moves according to its position. Centering of the axial position of the lover (100). The cutting tool will be used to machine the purlin, depending on the depth of the indentation (101). The positional relationship between the regions also changes. Spring point mechanism (30) thanks to the depth difference of the centering recess (101) movable point element (32) 30 While being met by the main processing position of the lover (100), the reference surface (102) is supported by the support. It is determined through the surface (34). Thus, different lovers (100) are the same on the lathe. processing according to axial reference and especially the global region and other regions processed This allows for the reproducible acquisition of the critical measure between them. 35 The purlin machining point assembly (1) also includes at least one holding element (35). The holding element (35) is on the side of the first point (10) facing the lover (100). 9 positioned and transferring the rotational movement of the first point (10) to the sash (100). It provides grip under the axial force applied by the second point (20). element (35) forms mechanical contact with the purlin (100). Thus, the lathe's The rotational movement of the first point (10) rotating together with its mirror is the holding element (35) It is transmitted to the lover (100) via. 5 The gripping element (35) provides mechanical coupling in the direction of rotation on the surface of the purlin (100). It can have a geometry that can create a hold in possible structures. element (35) in the form of a nail, wedge, pointed projection, serrated projection or similar structure It can be arranged. In the preferred configuration, more than one retaining element (35) of the purlin 10 (100) in the area of ​​the first point (10) facing the purlin, in such a way that it will contact the relevant surface. There are. The clamping elements (35) are formed by the second point (20). under the force of the spur, it can adhere to the surface or partially adhere to the surface in question. It can be buried. The gripping element (35) will enable the transmission of the rotational movement to the spear (100) in different ways. They can be formed in various structures. In a possible structure shown in Figure 3. The gripping element (35) extends outwards from the side surface of the movable tailstock element (32). It is arranged in the form of at least one protruding section. The aforementioned protrusion is the movable point. during the placement of the element (32) into the centering recess (101) of the purlin (100) or the purlin 20 As a result of being compressed between the first point (10) and the second point (20), the purlin (100) It is mechanically connected. Thus, the rotation created by the rotation of the first point (10) The moment is transferred to the spur (100) via the aforementioned projection. In another possible configuration shown in Figure 4, the retaining element (35) is the support surface 25 (34) a locking made up of successive protrusions and grooves formed on it It is in the form of a profile. The mentioned protrusions are from the support surface (34) to the sash (100). They are positioned one after the other along the support surface (34). Possible In a structure, each projection is two opposing side surfaces rising from the support surface (34) and approximately 30 It has a trapezoidal cross-section. There are lower regions or between adjacent protrusions. there are grooves and thus a repeated clamping on the support surface (34) The profile is created. The reference surface (102) of the purlin (100) is connected to the support surface (34) When pressed, the said interlocking profile establishes mechanical contact with the purlin (100) and It ensures that the rotational movement of the first point (10) is transferred to the sash (100). 35 Thanks to the fact that the protrusions are formed in an integrated manner with the support surface (34), they can also be attached. Transmission of torque without the need for an independent attachment piece A favorable contact zone is created. In another possible configuration shown in Figure 5, the holding element (35) is the first at least one pointed projection extending from the part of the point (10) facing the spear (100) towards the spear 5 It is formed in this way. The second point (20) of the lover (100) to the first point (10) With proper compression, the pointed projection adheres to the purlin surface or partially adheres to the purlin surface. It penetrates. Thus, during the turning of the first point (10), the sharp projection and the purlin (100) The mechanical connection between them is maintained and the turning of the lover (100) together with the first point. is provided. 10 The mentioned holding element (35) structures are not limited to a single geometry, but are movable The protrusions extending from the side surface of the point element (32) are on the support surface (34) The resulting successive interlocking profiles, sharp protrusions or mechanical connection with the surface of the purlin (100) 15 similar structures that can transmit torque by establishing contact It can be created. The number, height, width, placement and of the handholding elements (35) contact geometry depends on the surface properties of the purlin (100) and the rotation that is desired to be transferred. It can be changed depending on the moment. The use of gripping elements (35) ensures that the cutting tool contacts the sash (100) at 20 It helps to overcome the resistance to rotation that arises. First point (10) When it rotates together with the mirror, the holding elements (35) are with the first point (10) of the lover (100). It ensures that they rotate together. Thus, the centering and axial alignment of the lover (100) In addition to determining the reference, the rotational movement required for the turning operation is also determined. It is possible to transfer the material to the purlin via the point welding mechanism. 25 In the sample working case of the purlin machining point mechanism (1), purlin (100), first point (10) It is placed between the first and second point (20). During this time, the movable point element (32) The end facing the spear enters the centering recess (101). The second point (20) is further Then, advancing towards the lover (100), he pushes the lover (100) towards the first point (10). The lover's 30 (100) during its advancement, the movable tailstock element (32), centering recess (101) Continuing to be inside the guide sleeve (31) inside the elastic element (33) It is moving backward. The reference surface (102) of the purlin (100) is 35 at the end of the guide sleeve (31) facing the purlin. When the axial advancement of the purlin (100) reaches the support surface (34), it is related to the support relationship. It is limited. The force applied by the second point (20) is limited by the first point (100) of the sash. 11 It ensures that the centering recess is held between the first point (10) and the second point (20). (101) When another purlin with different depth is placed in the (100) arrangement, the movable point element (32) takes a different axial position according to the new recess depth, however the word The subject of the lover's reference surface (102) is in contact with the same support surface (34). Therefore, both purlins are in the same axial reference position during machining. 5 It can be held. During the same clamping process, the retaining elements (35) come into contact with the sash (100) and It forms the mechanical link through which rotational motion can be transmitted. The chuck of the lathe. When rotated, the main body (11) and the first point (10) connected to the mirror also rotate, rotation 10 The movement is transferred to the spur (100) via the gripping elements (35). The spur (100), Axial determined by the contact between the reference surface (102) and the support surface (34) It is being machined by the cutting tool while being rotated in position. After the processing is completed, the second point (20) will move back 15 away from the lover (100). Thus, the axial compression force applied to the spur (100) is eliminated. It is lifted. The elastic element (33) is movable with the removal of the compression force. moving the element (32) forward again and the spring-loaded tailstock mechanism (30) It is now ready for the placement of the next lover (100). In the preferred configuration, the spring-loaded tailstock mechanism (30) is the first tailstock (10) on the mirror side. It is located within. However, the same technical operating principle can be maintained. in different configurations, the depth variation of the centering recess (101) accommodates movable point element (32), elastic element (33) and related support structure It can also be formed at the point on the opposite side. Essentially, the movable point element is 25 (32) to be able to adapt to different depths of the centering recess (101) and the purlin (100) contact between the reference surface (102) and the support surface (34) of the final machining position This allows for determination through this method. The elastic element (33) is not limited only to the helical spring. The movable point element (32) 30 allowing axial movement and strengthening the element in question towards the sash (100) Different elastic structures can be used. Similarly, the movable point element... (32) The end geometry that contacts the centering recess (101) of the purlin, the purlin to be machined It can be changed according to its structure. The number, location and of the holding elements (35) Its geometry also depends on the rotational moment that needs to be transferred to the purlin and the geometry of the purlin surface. 35 This can be determined accordingly. 12 According to all these structures, the purlin machining point mechanism (1), the purlin (100) centering The dimensional difference resulting from the depth of the indentation (101) of the movable point element (32) counteracts the axial movement, while the main processing position of the sash (100) with the reference surface (102) regardless of the depth of the centering indentation (101) It determines the contact between the support surface (34). Thus, different 5 The purlins (100) with centering recess (101) depths are turned on the lathe on the same axial It can be held in the reference position and the machining performed by the cutting tool. As a result, repeatable measurements of critical dimensions are ensured. Adhesion The elements (35) transfer the rotational movement of the first point (10) to the purlin (100), thus transferring the purlin's rotational movement to the purlin. It allows rotation at the specified axial position. 10 The scope of protection of the invention is specified in the claims attached hereto, and these details are strictly adhered to. The explanation cannot be limited to those given for illustrative purposes. Because a technically skilled person... the person, without deviating from the main theme of the invention, in light of what has been described above, similar It is clear that this can lead to the emergence of new structures. 15 13 REFERENCE NUMBERS GIVEN IN THE FIGURE 1. Purlin Machining Point Welding System First Point 11 Main Body 5 Second Point Spring-loaded centering mechanism 31 Guide Housings 32 Movable Center Elements 33 Elastic Elements 10 34 Support Surfaces 35 Handholds 100 Lovers 101 Centering Indentation 102 Reference Surface 15

Claims

14 REQUESTS 1. During the machining of a lover (100) on a lathe, the aforementioned lover (100) a first point (10) and a second point that enable holding from two opposite sides (20) is a purlin processing point assembly (1) and its feature is that the first point (10), 5 The lover (100) is structured to fit into a centering recess (101) and at least one movable tailstock element (32) that can move in the axial direction, movable at least one elastic element (33) and purlin (100) in contact with the point element (32). Axial position of the purlin (100) by contact of the reference surface (102) a spring point containing at least one support surface (34) that enables its determination 10 It has the mechanism (30).

2. According to claim 1, a purlin machining point mechanism (1) has the feature of; spring point the axial movement of the movable tailstock element (32) of the mechanism (30) EN 15 which guides and contains the mentioned movable point element (32). It contains a small guide housing (31).

3. According to claim 2, a purlin machining point mechanism (1) and its feature is; the first point (10), containing the aforementioned guide housing (31) and elastic element (33) and at least one main 20 configured to be connected to the chuck of the lathe. It contains a body (11).

4. According to claim 3, a purlin machining point mechanism (1) has the feature of; movable point The element (32) moves forward and backward in the axial direction inside the guide sleeve (31). positioned in such a way that the elastic element (33) can be positioned and the main body 25 (11) is positioned in contact with the movable point element (32). It is the fact that.

5. According to claim 4, a purlin machining point mechanism (1) has the characteristic of; elastic element (33), strengthening the movable point element (32) towards the sash (100) and the movable 30 the point element (32) moves back under the axial force coming from the purlin The possibility is that there must be at least one spring.

6. According to claim 2, a purlin machining point mechanism (1) and its feature is; the support surface (34) is that the guide bushing (31) is located at the end of the scissor (100). 35 7. According to claim 1, a purlin machining point mechanism (1) and its feature is; the second point (20), by moving the luminaire (100) towards the first point (10), the movable point element (32) move in the axial direction against the elastic element (33) and the reference forward and in such a way that the surface (102) will make contact with the support surface (34) The advantage is that it can move backward. 5 8. According to claim 3, a purlin machining point mechanism (1) and its feature is; the guide sleeve (31) can be detached so that it can be removed from the main body (11). It is the fact that they are linked.

9. According to claim 1, a purlin machining point mechanism (1) and its feature is; the first point (10) to ensure that the rotational movement is transferred to the spear (100) It contains at least one gripping element (35) that is mechanically in contact with the surface.

10. According to claim 9, a purlin processing point mechanism (1) and its feature is; the mentioned holding 15 outwards from the side surface of the element (35) of the movable point element (32). There must be at least one protruding section.

11. According to claim 9, a purlin machining point mechanism (1) and its feature is; the aforementioned holding The element (35) is formed on the support surface (34) and 20 towards the purlin (100). an interlocking profile consisting of successive protrusions and cavities It is the fact that.

12. According to claim 9, a purlin machining point mechanism (1) and its feature is; the aforementioned holding element (35), from the part of the first point (10) facing the spear (100) to the spear (100) 25 It is the presence of at least one pointed protrusion extending in a straight line.

13. According to claim 3, a purlin machining point mechanism (1) and its feature is; the main body (11), It is attached to the chuck of the lathe and rotates together with the chuck. It is structured. 30 14. According to claim 1, a purlin machining point mechanism (1) and its feature is; the aforementioned reference its surface (102), located on the back side of the spherical region of the lover (100) and support Determining the axial position of the purlin (100) by contacting the surface (34). It is a surface that provides. 35

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