A necking device for spinning

Abstract

The utility model discloses a necking device for spinning piece machining, including clamping pipe and the necking device main part of setting at the necking device main part lower extreme position department, when using necking device for spinning piece machining, first install the first insertion hole in the first insertion column inside upper end inside the clamping seat with first insertion column through the installation board, then press down first insertion column through the installation board, make the second insertion column of first insertion hole bottom insert the second insertion hole inside first insertion column lower end, at the same time, the convex of first insertion hole inner wall is clamped into the recess of first insertion column outer wall under the action of spring elasticity, thereby make installation board install in the upper end of clamping seat, and then make necking device main part install in the upper end of clamping seat, through the cooperation of first insertion column, first insertion hole, second insertion column, second insertion hole, placement groove, spring, convex, recess, plug and clamping, strengthen the stability of installation board and clamping seat connection and the convenience of replacement.

Description

Technical Field

[0001] This utility model belongs to the technical field of metal processing and manufacturing, and specifically relates to a necking device for spinning parts processing. Background Technology

[0002] A necking device for spinning parts is a specialized piece of equipment used for necking metal pipes or shell-type parts. It reduces the diameter of the workpiece by applying radial pressure to the workpiece end to meet specific size, shape, or functional requirements. This utility model's necking device for spinning parts mainly consists of a clamping seat, mounting plate, necking device body, clamping tube, first clamping hole, clamping groove, first insertion hole, second clamping hole, clamping block, extrusion sleeve, first insertion post, hollow cavity, groove, placement groove, spring, second insertion post, second insertion hole, protrusion, annular mounting groove, and annular magnet plate. Existing necking devices for spinning parts mostly use threaded connections between the necking device body and the clamping seat, making replacement of the necking device body cumbersome. Therefore, a necking device for spinning parts is essential. Utility Model Content

[0003] The purpose of this utility model is to provide a necking device for spinning parts processing, so as to solve the problem mentioned in the background art that the necking device body and the clamping seat are mostly connected by threads, which makes it difficult to replace the necking device body.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a necking device for spinning parts, comprising...

[0005] The main body of the clamping tube and the constriction device located at the lower end of the clamping tube;

[0006] A mounting plate is connected to the lower end of the main body of the necking device, and a retainer is provided at the lower end of the mounting plate.

[0007] A first insertion hole is provided inside the upper end of the card holder and at the perimeter of the card holder. A second insertion post is installed at the bottom of the first insertion hole. A placement groove is provided on the inner wall of the first insertion hole. A spring is installed inside the placement groove. A protrusion is connected to the inner side of the spring.

[0008] A first insertion post is connected to the lower end of the mounting plate and located inside the first insertion hole. A groove is provided on the outer wall of the first insertion post and located outside the protrusion. A second insertion hole is provided inside the lower end of the first insertion post and located outside the second insertion post.

[0009] The use of the first insert post, first socket, second insert post, second socket, placement groove, spring, protrusion, groove, plug and snap connection enhances the stability of the connection between the mounting plate and the card holder and the ease of replacement.

[0010] Preferably, an annular mounting groove is provided inside the lower end of the mounting plate and at the position outside the first insert post, and an annular magnet plate is glued to the inside of the annular mounting groove.

[0011] Preferably, the annular magnet plate and the card holder are connected by magnetic adsorption, and the card holder is made of metal material.

[0012] Preferably, a card slot is provided inside the upper end of the card holder and at the position inside the first insertion hole, and a compression sleeve is glued to the inner wall of the card slot.

[0013] Preferably, a card block is connected inside the card slot and at the lower end of the mounting plate, and the card block is connected to the card slot by a snap-fit ​​method.

[0014] Preferably, the compression sleeve is made of rubber material. Through the combined use of the magnet plate, the card block, the card slot, the compression sleeve, the snap-fit, and the magnetic adsorption connection, the stability of the connection between the mounting plate and the card seat is further enhanced.

[0015] Preferably, a second card hole is provided at the lower end of the card holder, a first card hole is provided at the upper end of the card tube, and a hollow cavity is provided at the interior of the main body of the narrowing device.

[0016] Preferably, the clamping tube and clamping seat are installed on the machine tool through the first clamping hole and the second clamping hole. The use of the clamping tube, clamping seat, first clamping hole and second clamping hole in combination enhances the convenience of installation and disassembly of the necking device for spinning parts processing.

[0017] Compared with the prior art, the present invention provides a necking device for spinning parts, which has the following advantages:

[0018] 1. In this necking device for spinning parts, when using the necking device, first insert the mounting plate into the first insertion hole inside the upper end of the card seat through the first insertion post. Then, press the first insertion post downwards through the mounting plate, so that the second insertion post at the bottom of the first insertion hole is inserted into the second insertion hole inside the lower end of the first insertion post. At the same time, the protrusion on the inner wall of the first insertion hole is engaged in the groove on the outer wall of the first insertion post by the elastic force of the spring, thereby installing the mounting plate on the upper end of the card seat, and thus installing the necking device body on the upper end of the card seat. Then, the necking device for spinning parts is then... The blank is connected to the machine tool via a chuck and a tube. Then, the blank is placed on the outer wall of the main body of the necking device. The rotating wheel applies radial pressure to the blank under the drive of the servo system and moves along the guide mechanism. Under the squeezing action of the rotating wheel and the main body of the necking device, the blank gradually deforms according to the contour of the main body of the necking device. The metal material undergoes continuous plastic flow and finally fits the surface of the main body of the necking device. Through the coordinated use of the first insert, the first hole, the second insert, the second hole, the placement groove, the spring, the protrusion, the groove, the insertion and snap-fit, the stability of the connection between the mounting plate and the chuck and the ease of replacement are enhanced.

[0019] 2. In this necking device for spinning parts, when using the necking device, the mounting plate is first inserted into the first insertion hole inside the upper end of the card seat through the first insertion post. Then, the first insertion post is pressed down by the mounting plate, so that the card block at the lower end of the mounting plate is inserted into the card groove inside the upper end of the card seat. When the card block enters the card groove, the extrusion sleeve on the inner wall of the card groove will extrude the card block. At the same time, after the annular magnet plate inside the lower end of the mounting plate comes into contact with the card seat, since the card seat is made of metal material, the mounting plate and the card seat are magnetically connected and attracted together. Thus, the main body of the necking device is installed on the upper end of the card seat. Through the combined use of the magnet plate, card block, card groove, extrusion sleeve, snap-fit ​​and magnetic attraction connection, the stability of the connection between the mounting plate and the card seat is further enhanced. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the necking device for spinning parts according to this utility model.

[0021] Figure 2 This is a frontal sectional view of the necking device for spinning parts according to this utility model.

[0022] Figure 3 This is an enlarged sectional schematic diagram of the clamping device for the spinning part processing of this utility model.

[0023] In the diagram: 1. Card holder; 2. Mounting plate; 3. Body of the necking device; 4. Card tube; 5. First card hole; 6. Card groove; 7. First insertion hole; 8. Second card hole; 9. Card block; 10. Extrusion sleeve; 11. First insertion post; 12. Hollow cavity; 13. Groove; 14. Placement groove; 15. Spring; 16. Second insertion post; 17. Second insertion hole; 18. Protrusion; 19. Annular mounting groove; 20. Annular magnet plate. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] This utility model provides, for example Figure 1-3 The shown is a necking device for spinning parts. It includes a clamping tube 4 and a necking device body 3 located at the lower end of the clamping tube 4. A mounting plate 2 is connected to the lower end of the necking device body 3, and a clamping seat 1 is located at the lower end of the mounting plate 2. A first insertion hole 7 is located inside the upper end of the clamping seat 1 and around its perimeter. A second insertion post 16 is installed at the bottom of the first insertion hole 7. A placement groove 14 is located on the inner wall of the first insertion hole 7. A spring 15 is installed inside the placement groove 14. A spring 15 is installed on the inner side of the spring 15. A protrusion 18 is connected; a first insertion post 11 is connected to the lower end of the mounting plate 2 and located inside the first insertion hole 7. A groove 13 is provided on the outer wall of the first insertion post 11 and located outside the protrusion 18. A second insertion hole 17 is provided inside the lower end of the first insertion post 11 and located outside the second insertion post 16. Through the combined use of the first insertion post 11, the first insertion hole 7, the second insertion post 16, the second insertion hole 17, the placement groove 14, the spring 15, the protrusion 18, the groove 13, the insertion and snap-fit, the stability of the connection between the mounting plate 2 and the card holder 1 and the convenience of replacement are enhanced.

[0026] like Figure 1 , Figure 2 and Figure 3As shown, to enhance the stability and ease of replacement of the connection between the mounting plate 2 and the card holder 1, when using the necking device for spinning, the mounting plate 2 is first inserted into the first insertion hole 7 inside the upper end of the card holder 1 through the first insertion post 11. Then, the mounting plate 2 is used to press the first insertion post 11 downwards, so that the second insertion post 16 at the bottom of the first insertion hole 7 is inserted into the second insertion hole 17 inside the lower end of the first insertion post 11. At the same time, the protrusion 18 on the inner wall of the first insertion hole 7 is engaged in the groove 13 on the outer wall of the first insertion post 11 by the elastic force of the spring 15, thereby allowing the mounting plate 2 to be installed on the upper end of the card holder 1, and thus allowing the necking device body 3 to be installed on the upper end of the card holder 1. Then, the spinning... The necking device for pressing is connected to the machine tool through the chuck 1 and the chuck tube 4. Then, the blank is placed on the outer wall of the necking device body 3. The rotary wheel applies radial pressure to the blank under the drive of the servo system and moves along the guide mechanism. Under the squeezing action of the rotary wheel and the necking device body 3, the blank gradually deforms according to the contour of the necking device body 3. The metal material undergoes continuous plastic flow and finally fits the surface of the necking device body 3. Through the combined use of the first insert 11, the first insertion hole 7, the second insert 16, the second insertion hole 17, the placement groove 14, the spring 15, the protrusion 18, the groove 13, the insertion and snapping, the stability of the connection between the mounting plate 2 and the chuck 1 and the convenience of replacement are enhanced.

[0027] An annular mounting groove 19 is provided inside the lower end of the mounting plate 2, located outside the first insertion post 11. An annular magnet plate 20 is glued to the inside of the annular mounting groove 19. The annular magnet plate 20 is connected to the card holder 1 by magnetic adsorption. The card holder 1 is made of metal. A card groove 6 is provided inside the upper end of the card holder 1, located inside the first insertion hole 7. A compression sleeve 10 is glued to the inner wall of the card groove 6. A card block 9 is connected inside the card groove 6, located at the lower end of the mounting plate 2. The card block 9 is connected to the card groove 6 by snap-fit. The compression sleeve 10 is made of rubber. The combination of the magnet plate, card block 9, card groove 6, compression sleeve 10, snap-fit, and magnetic adsorption further enhances the stability of the connection between the mounting plate 2 and the card holder 1.

[0028] like Figure 2 and Figure 3As shown, in order to further enhance the stability of the connection between the mounting plate 2 and the card holder 1, when using the necking device for spinning, the mounting plate 2 is first inserted into the first insertion hole 7 inside the upper end of the card holder 1 through the first insertion post 11. Then, the mounting plate 2 presses the first insertion post 11 downward, so that the card block 9 at the lower end of the mounting plate 2 is inserted into the card groove 6 inside the upper end of the card holder 1. When the card block 9 enters the card groove 6, the extrusion sleeve 10 on the inner wall of the card groove 6 will extrude the card block 9. At the same time, after the annular magnet plate 20 inside the lower end of the mounting plate 2 comes into contact with the card holder 1, since the card holder 1 is made of metal material, the mounting plate 2 and the card holder 1 are magnetically connected and attracted together, so that the necking device body 3 is installed on the upper end of the card holder 1. Through the combined use of the magnet plate, card block 9, card groove 6, extrusion sleeve 10, snap-fit ​​and magnetic attraction connection, the stability of the connection between the mounting plate 2 and the card holder 1 is further enhanced.

[0029] A second locking hole 8 is provided at the lower end of the clamping seat 1, and a first locking hole 5 is provided at the upper end of the clamping tube 4. A hollow cavity 12 is provided at the interior of the main body 3 of the necking device. The clamping tube 4 and the clamping seat 1 are installed on the machine tool through the first locking hole 5 and the second locking hole 8. The use of the clamping tube 4, the clamping seat 1, the first locking hole 5 and the second locking hole 8 together enhances the convenience of installation and disassembly of the necking device for spinning parts processing.

[0030] like Figure 1 and Figure 2 As shown, to enhance the ease of installation and disassembly of the necking device for spinning parts, when using the necking device, firstly, the necking device is inserted into the rotating tube of the machine tool through the second locking hole 8 of the locking seat 1 and the first locking hole 5 of the locking tube 4, thus installing the necking device on the machine tool. Then, the blank is placed on the outer wall of the necking device body 3. The spinning wheel applies radial pressure to the blank under the drive of the servo system and moves along the guide mechanism. Under the squeezing action of the spinning wheel and the necking device body 3, the blank gradually deforms according to the contour of the necking device body 3, and the metal material undergoes continuous plastic flow, finally adhering to the surface of the necking device body 3. Through the coordinated use of the locking tube 4, the locking seat 1, the first locking hole 5 and the second locking hole 8, the ease of installation and disassembly of the necking device for spinning parts is enhanced.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A necking device for spinning parts, characterized in that: include The clamping tube (4) and the main body (3) of the narrowing device located at the lower end of the clamping tube (4); The lower end of the main body (3) of the necking device is connected to an installation plate (2), and a card holder (1) is provided at the lower end of the installation plate (2). A first insertion hole (7) is provided inside the upper end of the card holder (1) and at the periphery of the card holder (1). A second insertion post (16) is installed at the bottom of the first insertion hole (7). A placement groove (14) is provided on the inner wall of the first insertion hole (7). A spring (15) is installed inside the placement groove (14). A protrusion (18) is connected to the inner side of the spring (15). The mounting plate (2) is connected to a first plug (11) at the lower end and inside the first plug hole (7). The outer wall of the first plug (11) is provided with a groove (13) at the outer side of the protrusion (18). The lower end of the first plug (11) is provided with a second plug hole (17) at the outer side of the second plug (16). The stability of the connection between the mounting plate (2) and the card holder (1) and the ease of replacement are enhanced by the combined use of the first insertion post (11), the first insertion hole (7), the second insertion post (16), the second insertion hole (17), the placement groove (14), the spring (15), the protrusion (18), the groove (13), the insertion and snap-fit.

2. The necking device for spinning parts according to claim 1, characterized in that: An annular mounting groove (19) is provided inside the lower end of the mounting plate (2) and outside the first insert (11). An annular magnet plate (20) is glued to the inside of the annular mounting groove (19).

3. The necking device for spinning parts according to claim 2, characterized in that: The annular magnet plate (20) and the card holder (1) are connected by magnetic adsorption. The card holder (1) is made of metal material.

4. The necking device for spinning parts according to claim 3, characterized in that: A card slot (6) is provided inside the upper end of the card holder (1) and at the inner side of the first insertion hole (7), and a compression sleeve (10) is glued to the inner wall of the card slot (6).

5. A necking device for spinning parts according to claim 4, characterized in that: A card block (9) is connected inside the card slot (6) and at the lower end of the mounting plate (2). The card block (9) is connected to the card slot (6) by a snap-fit ​​method.

6. The necking device for spinning parts according to claim 4, characterized in that: The compression sleeve (10) is made of rubber material. Through the combined use of the magnet plate, the card block (9), the card slot (6), the compression sleeve (10), the snap-fit ​​and the magnetic adsorption connection, the stability of the connection between the mounting plate (2) and the card seat (1) is further enhanced.

7. A necking device for spinning parts according to claim 6, characterized in that: The card holder (1) has a second card hole (8) at the lower end of its inner position, the card tube (4) has a first card hole (5) at the upper end of its inner position, and the main body (3) of the necking device has a hollow cavity (12) at its inner position.

8. A necking device for spinning parts according to claim 7, characterized in that: The clamping tube (4) and clamping seat (1) are installed on the machine tool through the first clamping hole (5) and the second clamping hole (8). The use of the clamping tube (4), clamping seat (1), first clamping hole (5) and second clamping hole (8) enhances the convenience of installation and disassembly of the necking device for spinning parts processing.

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