Neck shrinking machine

Abstract

The present invention provides a necking machine, which relates to the technical field of necking machines, and includes a necking machine body and a support frame. The surface of the necking machine body is provided with a diameter reduction plate, the support frame is located on one side of the necking machine body, and the upper surface of the support frame is slidably connected to a driving device at one end away from the necking machine body, and the output end of the driving device is rotatably connected to a supporting top plate, and a barrel is provided on the side where the supporting top plate and the diameter reduction plate are close to each other. An adjustment device is provided on one side of the support frame, and the adjustment device includes a conveying frame and a fixed frame, and both sides of the inner wall of the conveying frame are fixedly connected to fixed rods, and the arc surface of the fixed rod is slidably connected to a pulley frame. The present invention solves the problem that in the process of operating the necking machine, the aperture of the steel barrel needs to be reduced, and then the reduced barrel needs to be manually transported. This process is time-consuming and labor-intensive, and is not convenient for the necking machine to quickly transport the barrel after the reduction, and at the same time causes the problem of increased labor costs.

Description

Technical Field

[0001] The invention relates to the technical field of necking machines, in particular to a necking machine. Background Art

[0002] A necking machine is a device used to reduce the diameter of steel drums. It shapes the end of a steel drum into a specific shape to reduce its diameter or change its shape. It is usually used to manufacture steel drum connectors, end processing of steel drums, or to change the inner diameter of steel drums to meet different needs. It is more common in steel drum necking operations.

[0003] Prior art includes an invention with publication number CN107309287A, which discloses a combined hydraulic necking machine, which includes a primary reduction mold, which is connected to a primary reduction hydraulic cylinder to drive the primary reduction mold to move forward and backward a preset distance so that the primary reduction mold is close to / away from the clamping mold, and the center of the clamping port of the clamping mold and the center of the reduction port of the primary reduction mold are always maintained on the same axis. The primary reduction hydraulic cylinder is a hollow piston rod hydraulic cylinder, and the center of the piston rod of the hollow piston rod hydraulic cylinder is on the same axis as the center of the reduction port of the primary reduction mold, and a primary lubrication oil inlet is provided on the upper part of the primary reduction mold.

[0004] In the process of shrinking the diameter of steel barrels, it was found that during the operation of the necking machine, the aperture of the steel barrel needed to be reduced, and then the reduced barrel needed to be moved manually. This process was time-consuming and labor-intensive, and it was not convenient for the necking machine to quickly transport the barrel after the reduction, and it also caused the problem of increased labor costs. Summary of the invention

[0005] The purpose of the present invention is to solve the problem in the prior art that during the operation of the necking machine, the aperture of the steel barrel needs to be reduced, and then the reduced barrel needs to be transported manually. This process is time-consuming and labor-intensive, and is not convenient for the necking machine to quickly transport the reduced barrel, and also causes an increase in labor costs.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a necking machine, comprising a necking machine main body and a support frame, the surface of the necking machine main body is provided with a diameter reduction plate, the support frame is located on one side of the necking machine main body, the upper surface of the support frame is slidably connected to a driving device at one end away from the necking machine main body, the output end of the driving device is rotatably connected to a supporting top plate, a barrel is provided on the side where the supporting top plate and the diameter reduction plate are close to each other, an adjusting device is provided on one side surface of the support frame, the adjusting device comprises a conveying frame and a fixed frame, both side surfaces of the inner wall of the conveying frame are fixedly connected to fixing rods, the arc surface of the fixing rods is slidably connected to a pulley frame, and the side surfaces of the two pulley frames close to each other are fixed The movable frame is fixedly connected with the same movable frame, the upper end cross-section of the movable frame is arc-shaped, the upper end cross-section size of the movable frame is adapted to the cross-section size of the barrel, baffles are fixedly connected on both sides of the upper end of the movable frame, a fixed plate is fixedly connected on one side of the movable frame, the cross-section of the fixed plate is "L"-shaped, the short arm end surface of the fixed plate is slidably connected to a limit rod, the two ends of the limit rod are fixedly connected to the surface of the fixed frame, the bottom end of the fixed frame is fixedly connected to the surface of one side of the conveying frame, the long arm end surface of the fixed plate is fixedly connected to a servo motor, the output end of the servo motor is fixedly connected to a gear, the tooth surface of the gear is meshed with a rack, and one side of the rack is fixedly connected to the surface of the fixed frame.

[0007] By adopting the above technical scheme, it is achieved that during the operation of the necking machine, the barrel needs to be docked and limited with the driving device at the upper end of the support frame, and then the necking plate on the surface of the necking machine body is used to perform the necking operation, and then the barrel is transported. At this time, in order to facilitate the convenient transportation of the barrel after necking, the adjustment device is used to operate, and the barrel is placed on the upper surface of the mobile frame on the inner wall of the conveying frame, and then the servo motor on the inner wall of the fixed plate on one side of the mobile frame is started, and the servo motor drives the rotation of the gear and the rack, so that the entire mobile frame drives the barrel to move and adjust along the fixed rod in the conveying frame, so as to facilitate and effectively transport the barrel after necking.

[0008] Preferably, a friction pad is fixedly connected to the inner wall surface of the movable frame, the friction pad is a rubber pad, and a plurality of anti-slip grooves are provided on the surface of the friction pad.

[0009] By adopting this preferred solution, when the drum is supported and moved with the help of the upper end of the movable frame, the friction pad made of rubber on the upper surface of the movable frame can be used for auxiliary operation.

[0010] Preferably, an extrusion rod is threadedly penetrated through the arc surface of the short arm end of the fixing plate, and one end of the extrusion rod is in contact with the arc surface of the limiting rod.

[0011] By adopting this preferred solution, when the servo motor drives the entire mobile frame to move its position, the position of the entire mobile frame can be squeezed and limited by the squeezing rod on one side of the fixed plate to avoid position deviation when not in use.

[0012] Preferably, the cross section of the baffle is "L"-shaped, and the baffle is an elastic plate.

[0013] By adopting this preferred solution, the elastic material baffle with an "L"-shaped cross-section can clamp and limit the reduced diameter barrel to prevent the barrel from falling off.

[0014] Preferably, an auxiliary device is provided on the surface of one side of the supporting top plate close to the barrel, and the auxiliary device includes a fixed plate, and the surface of the fixed plate is clamped with the inner wall of the supporting top plate. The fixed plate is a rubber plate, and the surface of the fixed plate abuts against one end of the barrel. The arc surface of the fixed plate is fixedly connected with a plurality of clamping plates, and the surface of the inner wall of the supporting top plate is provided with a clamping groove corresponding to the position of the clamping plate, and the inner wall of the clamping groove is clamped with the clamping plate, and the side of the surface of the fixed plate away from the barrel is fixedly connected with a plurality of positioning plates, and the surface of the positioning plates A moving frame is slidably penetrated, a positioning rod is fixedly connected to the inner wall of the moving frame, a connecting ring is slidably connected to the arc surface of the positioning rod, the upper end of the connecting ring is fixedly connected to the positioning plate, a spring is sleeved on the arc surface of the positioning rod, the two ends of the spring are respectively fixedly connected to the moving frame and the connecting ring, the positioning frame is fixedly connected to the position of the moving frame on the surface of the supporting top plate corresponding to the moving frame, the inner wall of the positioning frame is plugged into one end of the moving frame, a screw is threadedly penetrated by the arc surface of the connecting ring, and one end of the screw is in contact with the arc surface of the positioning rod.

[0015] By adopting this preferred scheme, when the barrel is squeezed and limited by the supporting top plate rotating at the output end of the driving device, auxiliary protection can be achieved with the help of a rubber fixed plate that can be easily replaced. Through the positioning plate on the surface of one side of the fixed plate, a movable frame that slides through the surface of the positioning plate is plugged and limited with a positioning frame fixed on one side of the supporting top plate, thereby facilitating the protection of the fixed plate in the entire supporting top plate, which is beneficial to better clamping and limiting the barrel and preventing the barrel from shifting and falling off.

[0016] Preferably, a plurality of limiting grooves are formed on the surface of the fixing plate, and the plurality of limiting grooves are evenly distributed on the surface of the fixing plate.

[0017] By adopting this preferred solution, it is achieved that barrels of different sizes can be abutted and limited by means of the limiting grooves opened on the surface of the fixed disk.

[0018] Preferably, both sides of one end of the movable frame close to the positioning frame are arc-shaped, and the movable frame is a hard alloy frame.

[0019] By adopting this preferred solution, when the movable frame and the positioning frame are plugged in, the movable frame made of hard alloy and having arc-shaped ends can be used for auxiliary plugging and limiting.

[0020] Preferably, a protective device is provided at a position corresponding to the barrel and the reducing plate on the upper surface of the support frame, and the protective device includes a connecting frame, the cross-section of the connecting frame is rectangular, the lower surface of the connecting frame is fixedly connected to the surface of the support frame, the inner wall of the connecting frame is slidably connected with a magnetic plate, the cross-sectional size of the magnetic plate is adapted to the cross-sectional size of the connecting frame, both side surfaces of the connecting frame are fixedly connected with connecting frames, the arc surface of the inner wall of the connecting frame is rotatably connected with a rotating frame, the cross-section of the rotating frame is "U"-shaped, and the connecting frame is fixedly connected with a connecting frame on the side of the connecting frame away from the connecting frame, the inner wall of the connecting frame is plugged into one end of the rotating frame, an insertion rod is slidably penetrated through the surface of the connecting frame, and the arc surface of the insertion rod is covered with a tension spring, the two ends of the tension spring are respectively fixedly connected to the insertion rod and the surface of the connecting frame, and one end of the insertion rod is plugged into the surface of the rotating frame.

[0021] By adopting this preferred scheme, a large amount of metal debris will be generated in the process of reducing the diameter of the barrel on the surface of the necking machine body. At this time, in order to facilitate the collection and cleaning of the metal debris that has fallen on the surface of the support frame, the connecting frame fixed on the surface of the support frame and the magnetic plate in the connecting frame are used for protection. The magnetic plate is used to adsorb the metal debris to prevent it from falling. At the same time, the rotating frame in the connecting frame on the side wall of the connecting frame is connected to the connecting frame fixed on the other side to effectively and conveniently protect the position of the magnetic plate, and conveniently collect and clean the metal debris in the shrinking process.

[0022] Preferably, both ends of the inner wall of the connecting frame are sleeved with coil springs, and both ends of the coil spring are fixedly connected to the connecting frame and the rotating frame respectively.

[0023] By adopting this preferred solution, the position of the rotating frame can be limited and protected by the torsional force generated by the coil spring, thereby preventing the rotating frame from being offset.

[0024] Preferably, a mosaic block is fixedly connected to the lower surface of the rotating frame, the surface of the mosaic block abuts against the surface of the magnetic plate, and the mosaic block is a sponge block.

[0025] By adopting this preferred solution, the magnetic plate can be effectively and conveniently protected from extrusion by means of the inlaid blocks made of sponge material.

[0026] Compared with the prior art, the advantages and positive effects of the present invention are:

[0027] 1. In the present invention, during the operation of the necking machine, the barrel needs to be docked and limited with the driving device at the upper end of the support frame, and then the necking plate on the surface of the necking machine body is used to perform the necking operation, and then the barrel is transported. At this time, in order to facilitate the convenient transportation of the barrel after necking, the adjustment device is used for operation.

[0028] 2. In the present invention, by setting an adjustment device, the barrel is placed on the upper surface of the mobile frame on the inner wall of the conveying frame, and then the servo motor on the inner wall of the fixed plate on one side of the mobile frame is started, so that the servo motor drives the rotation of the gear and the rack, so that the entire mobile frame drives the barrel to move and adjust along the fixed rod in the conveying frame. In this process, when the servo motor drives the entire mobile frame to move its position, the extrusion rod on one side of the fixed plate can be used to squeeze and limit the position of the entire mobile frame to avoid position deviation when not in use, thereby conveniently and effectively conveying and carrying the reduced diameter barrel.

[0029] 3. In the present invention, by setting an auxiliary device, when the barrel is squeezed and limited by the supporting top plate rotating at the output end of the driving device, auxiliary protection can be carried out with the help of a rubber fixed plate that can be easily replaced. Through the positioning plate on the surface of one side of the fixed plate, the movable frame sliding through the surface of the positioning plate is plugged and limited with the positioning frame fixed on one side of the supporting top plate, thereby facilitating the protection of the fixed plate in the entire supporting top plate, which is beneficial to better clamping and limiting the barrel and preventing the barrel from being offset and falling off.

[0030] 4. In the present invention, by setting a protective device, a large amount of metal debris will be generated in the process of reducing the diameter of the barrel on the surface of the necking machine body. At this time, in order to facilitate the collection and cleaning of the metal debris dropped on the surface of the support frame, the connecting frame fixed on the surface of the support frame and the magnetic plate in the connecting frame are used for protection. The magnetic plate is used to adsorb the metal debris to prevent the metal debris from falling. At the same time, the rotating frame in the connecting frame on the side wall of the connecting frame is connected to the connecting frame fixed on the other side to effectively and conveniently protect the position of the magnetic plate, and conveniently collect and clean the metal debris in the process of reducing the diameter. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 The present invention provides a three-dimensional structural schematic diagram of a necking machine;

[0032] Figure 2 It is a partial schematic diagram of the three-dimensional structure of the necking machine proposed by the present invention;

[0033] Figure 3 The present invention provides a schematic structural diagram of an adjustment device for a necking machine;

[0034] Figure 4 The invention proposes a necking machine Figure 3A schematic diagram of the structure enlarged at A;

[0035] Figure 5 A partial structural schematic diagram of the adjustment device of the necking machine proposed by the present invention;

[0036] Figure 6 The present invention provides a schematic structural diagram of an auxiliary device for a necking machine;

[0037] Figure 7 The present invention provides a schematic diagram of the disassembled structure of the auxiliary device of the necking machine;

[0038] Figure 8 A partial structural schematic diagram of an auxiliary device of a necking machine proposed in the present invention;

[0039] Fig. 9 The present invention provides a schematic structural diagram of a protective device for a necking machine;

[0040] Fig.10 The present invention provides a partial structural schematic diagram of the protective device of the necking machine.

[0041] Legend: 1. Neck shrinking machine body; 2. Narrowing plate; 3. Drum; 4. Support frame; 5. Driving device; 6. Adjusting device; 601. Conveying frame; 602. Fixed frame; 603. Rack; 604. Moving frame; 605. Fixed rod; 606. Pulley frame; 607. Friction pad; 608. Baffle; 609. Gear; 610. Limit rod; 611. Fixed plate; 612. Servo motor; 613. Extrusion rod; 7. Auxiliary device; 70 1. Card slot; 702. Card plate; 703. Fixed plate; 704. Positioning frame; 705. Positioning plate; 706. Moving frame; 707. Positioning rod; 708. Spring; 709. Screw; 710. Connecting ring; 711. Limiting groove; 8. Protective device; 81. Connecting frame; 82. Connecting frame; 83. Coil spring; 84. Rotating frame; 85. Inlaid block; 86. Magnetic plate; 87. Connecting frame; 88. Insert rod; 89. Tension spring; 9. Support top plate. DETAILED DESCRIPTION

[0042] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0043] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0044] Embodiment 1, as Figure 1-10As shown, the present invention provides a necking machine, including a necking machine body 1 and a support frame 4. A necking plate 2 is arranged on the surface of the necking machine body 1, and the support frame 4 is located on one side of the necking machine body 1. A driving device 5 is slidably connected to one end of the upper surface of the support frame 4 away from the necking machine body 1, and a supporting top plate 9 is rotatably connected to the output end of the driving device 5. A barrel 3 is arranged on the side where the supporting top plate 9 and the necking plate 2 are close to each other, an adjusting device 6 is arranged on one side surface of the support frame 4, an auxiliary device 7 is arranged on the side surface of the supporting top plate 9 close to the barrel 3, and a protective device 8 is arranged on the upper surface of the support frame 4 corresponding to the position of the barrel and the necking plate 2.

[0045] The specific settings and functions of the adjusting device 6, the auxiliary device 7 and the protective device 8 are described in detail below.

[0046] like Figure 3 , Figure 4 and Figure 5 As shown, the adjusting device 6 includes a conveying frame 601 and a fixed frame 602. The inner wall surfaces of the conveying frame 601 are fixedly connected with fixed rods 605 on both sides. The arc surface of the fixed rod 605 is slidably connected with a pulley frame 606. The surfaces of the two pulley frames 606 close to each other are fixedly connected with the same moving frame 604. The upper end cross-section of the moving frame 604 is arc-shaped. The upper end cross-section size of the moving frame 604 is adapted to the cross-section size of the barrel 3. Baffles 608 are fixedly connected to both sides of the upper end of the moving frame 604. A fixed plate 611 is fixedly connected to one side of the moving frame 604. The cross-section of the fixed plate 611 is "L"-shaped. The short arm end surface of the fixed plate 611 is slidably connected with a limit rod 610. Both ends of the limit rod 610 are connected to the fixed frame 602. The surface of the movable frame 604 is fixedly connected, the bottom end of the fixed frame 602 is fixedly connected to the surface of one side of the conveying frame 601, the surface of the long arm end of the fixed plate 611 is fixedly connected with a servo motor 612, the output end of the servo motor 612 is fixedly connected with a gear 609, the tooth surface of the gear 609 is meshed with a rack 603, one side of the rack 603 is fixedly connected to the surface of the fixed frame 602, the inner wall surface of the movable frame 604 is fixedly connected with a friction pad 607, the friction pad 607 is a rubber pad, and a plurality of anti-slip grooves are provided on the surface of the friction pad 607, the arc surface of the short arm end of the fixed plate 611 is threaded with an extrusion rod 613, one end of the extrusion rod 613 is in contact with the arc surface of the limiting rod 610, the cross-section of the baffle 608 is "L" shaped, and the baffle 608 is an elastic plate.

[0047] The effect achieved by the entire adjustment device 6 is that the barrel 3 after the diameter reduction is conveniently transported. At this time, the servo motor 612 on the inner wall of the fixed plate 611 on one side of the mobile frame 604 is started, and the servo motor 612 drives the gear 609 and the rack 603 to rotate, so that the entire mobile frame 604 drives the barrel 3 to move and adjust along the fixed rod 605 in the conveying frame 601, so as to conveniently and effectively convey the barrel 3 after the diameter reduction.

[0048] like Figure 6 , Figure 7 and Figure 8 As shown, the auxiliary device 7 includes a fixed disk 703, the surface of the fixed disk 703 is clamped with the inner wall of the supporting top disk 9, the fixed disk 703 is a rubber disk, the surface of the fixed disk 703 is in contact with one end of the barrel 3, the arc surface of the fixed disk 703 is fixedly connected with a plurality of clamping plates 702, a clamping groove 701 is provided on the inner wall surface of the supporting top disk 9 at a position corresponding to the clamping plate 702, the inner wall of the clamping groove 701 is clamped with the clamping plate 702, a plurality of positioning plates 705 are fixedly connected to the side of the surface of the fixed disk 703 away from the barrel 3, a moving frame 706 is slidably penetrated on the surface of the positioning plate 705, a positioning rod 707 is fixedly connected to the inner wall of the moving frame 706, a connecting ring 710 is slidably connected to the arc surface of the positioning rod 707, and the connecting ring 710 The upper end is fixedly connected to the positioning plate 705, the arc surface of the positioning rod 707 is sleeved with a spring 708, and the two ends of the spring 708 are fixedly connected to the moving frame 706 and the connecting ring 710 respectively. The position of the moving frame 706 on the surface of the supporting top plate 9 is fixedly connected with a positioning frame 704, the inner wall of the positioning frame 704 is plugged into one end of the moving frame 706, and the arc surface thread of the connecting ring 710 is penetrated by a screw 709, and one end of the screw 709 is in contact with the arc surface of the positioning rod 707. A plurality of limiting grooves 711 are opened on the surface of the fixed disk 703, and the plurality of limiting grooves 711 are evenly distributed on the surface of the fixed disk 703. The moving frame 706 is arc-shaped on both sides of one end close to the positioning frame 704, and the moving frame 706 is a hard alloy frame.

[0049] The effect achieved by the entire auxiliary device 7 is that in order to facilitate the extrusion and limiting of the barrel 3 during the shrinking process, auxiliary protection is provided by means of the fixed plate 703 fixed to the inner wall of the supporting top plate 9, so as to facilitate the rapid clamping and limiting of the barrel 3.

[0050] like Fig. 9 and Fig.10As shown, the protective device 8 includes a connection frame 81, the cross-section of the connection frame 81 is rectangular, the lower surface of the connection frame 81 is fixedly connected to the surface of the support frame 4, the inner wall of the connection frame 81 is slidably connected with a magnetic plate 86, the cross-sectional size of the magnetic plate 86 is adapted to the cross-sectional size of the connection frame 81, both side surfaces of the connection frame 81 are fixedly connected with connection frames 82, the inner wall arc surface of the connection frame 82 is rotatably connected with a rotating frame 84, the cross-section of the rotating frame 84 is "U"-shaped, the side of the connection frame 81 away from the connection frame 82 is fixedly connected with a connection frame 87, the inner wall of the connection frame 87 is connected to the rotating frame 84, and the rotating frame 84 is "U"-shaped. One end of the movable frame 84 is plugged in, and an insertion rod 88 is slidably penetrated through the surface of the connecting frame 87. The arc surface of the insertion rod 88 is covered with a tension spring 89, and the two ends of the tension spring 89 are respectively fixedly connected to the insertion rod 88 and the surface of the connecting frame 81. One end of the insertion rod 88 is plugged in with the surface of the rotating frame 84, and both ends of the inner wall of the connecting frame 82 are covered with a coil spring 83, and the two ends of the coil spring 83 are respectively fixedly connected to the connecting frame 82 and the rotating frame 84. The lower surface of the rotating frame 84 is fixedly connected with an inlay block 85, and the surface of the inlay block 85 abuts against the surface of the magnetic plate 86. The inlay block 85 is a sponge block.

[0051] The effect achieved by the entire protective device 8 is that in order to prevent a large amount of metal debris from falling during the process of reducing the diameter of the barrel 3, the magnetic plate 86 installed on the surface of the support frame 4 is used for auxiliary adsorption operation.

[0052] The overall working principle is that during the operation of the necking machine, the barrel 3 will be transported with a reduced diameter. At this time, the barrel is placed on the upper surface of the mobile rack 604 on the inner wall of the conveying rack 601, and then the servo motor 612 on the inner wall of the fixed plate 611 on one side of the mobile rack 604 is started, so that the servo motor 612 drives the gear 609 and the rack 603 to rotate, so that the entire mobile rack 604 drives the barrel 3 to move and adjust along the fixed rod 605 in the conveying rack 601. In this process, when the servo motor 612 drives the entire mobile rack 604 to move its position, the squeezing rod 613 on one side of the fixed plate 611 can be used to squeeze the position of the entire mobile rack 604, so as to facilitate and effectively transport the reduced-diameter barrel 3.

[0053] When the barrel 3 is squeezed and limited by the supporting top plate 9 rotating at the output end of the driving device 5, auxiliary protection can be provided by means of a rubber fixed plate 703 that can be easily replaced. Through the positioning plate 705 on one side of the fixed plate 703, a movable frame 706 that slides through the surface of the positioning plate 705 is inserted and limited with a positioning frame 704 fixed on one side of the supporting top plate 9, thereby facilitating the protection of the fixed plate 703 in the entire supporting top plate 9, and facilitating better clamping and limiting of the barrel 3, thereby preventing the barrel 3 from being offset and falling off.

[0054] In the process of reducing the diameter of the barrel 3 on the surface of the necking machine body 1, a large amount of metal debris will be generated. At this time, in order to facilitate the collection and cleaning of the metal debris dropped on the surface of the support frame 4, the connecting frame 81 fixed on the surface of the support frame 4 and the magnetic plate 86 in the connecting frame 81 are used for protection. The magnetic plate 86 is used to adsorb the metal debris to prevent it from falling. At the same time, the rotating frame 84 in the connecting frame 82 on the side wall of the connecting frame 81 is connected to the connecting frame 87 fixed on the other side to effectively and conveniently protect the position of the magnetic plate 86, and conveniently collect and clean the metal debris in the process of reducing the diameter.

[0055] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A necking machine, comprising a necking machine body (1) and a support frame (4), characterized in that: A diameter reducing plate (2) is provided on the surface of the necking machine body (1); the support frame (4) is located on one side of the necking machine body (1); a driving device (5) is slidably connected to one end of the upper surface of the support frame (4) away from the necking machine body (1); an output end of the driving device (5) is rotatably connected to a supporting top plate (9); a barrel (3) is provided on the side where the supporting top plate (9) and the diameter reducing plate (2) are close to each other; an adjusting device (6) is provided on one side of the support frame (4); the adjusting device (6) comprises a conveying frame (601) and a fixing frame (602); both sides of the inner wall of the conveying frame (601) are fixedly connected to fixing rods (605); the arc surface of the fixing rod (605) is slidably connected to a pulley frame (606); the surfaces of the sides where the two pulley frames (606) are close to each other are fixedly connected to the same moving frame (604); the upper end cross-section of the moving frame (604) is in the shape of an arc; The cross-sectional dimensions of the upper end of the movable frame (604) are compatible with the cross-sectional dimensions of the drum (3); baffles (608) are fixedly connected to both sides of the upper end of the movable frame (604); a fixed plate (611) is fixedly connected to one side of the movable frame (604); the cross-sectional dimensions of the fixed plate (611) are "L"-shaped; the short arm end surface of the fixed plate (611) is slidably connected to a limit rod (610); the two ends of the limit rod (610) are fixedly connected to the surface of the fixed frame (602); the bottom end of the fixed frame (602) is fixedly connected to the surface of one side of the conveying frame (601); the long arm end surface of the fixed plate (611) is fixedly connected to a servo motor (612); the output end of the servo motor (612) is fixedly connected to a gear (609); the tooth surface of the gear (609) is meshed with a rack (603); one side of the rack (603) is fixedly connected to the surface of the fixed frame (602).

2. The necking machine according to claim 1, characterized in that: A friction pad (607) is fixedly connected to the inner wall surface of the movable frame (604); the friction pad (607) is a rubber pad; and a plurality of anti-skid grooves are provided on the surface of the friction pad (607).

3. The necking machine according to claim 1, characterized in that: An extrusion rod (613) is threadedly penetrated through the arc surface of the short arm end of the fixing plate (611), and one end of the extrusion rod (613) is in contact with the arc surface of the limiting rod (610).

4. The necking machine according to claim 1, characterized in that: The cross section of the baffle plate (608) is "L"-shaped, and the baffle plate (608) is an elastic plate.

5. The necking machine according to claim 1, characterized in that: An auxiliary device (7) is provided on a surface of a side of the support top plate (9) close to the barrel (3), the auxiliary device (7) comprising a fixed plate (703), the surface of the fixed plate (703) being snap-fitted with the inner wall of the support top plate (9), the fixed plate (703) being a rubber plate, the surface of the fixed plate (703) being in contact with one end of the barrel (3), a plurality of clamping plates (702) being fixedly connected to the arc surface of the fixed plate (703), a clamping groove (701) being provided on the inner wall surface of the support top plate (9) at a position corresponding to the clamping plate (702), the inner wall of the clamping groove (701) being snap-fitted with the clamping plate (702), a plurality of positioning plates (705) being fixedly connected to the side of the surface of the fixed plate (703) away from the barrel (3), the surface of the positioning plate (705) being slidably penetrated by a movable frame ( 706), a positioning rod (707) is fixedly connected to the inner wall of the moving frame (706), a connecting ring (710) is slidably connected to the circular arc surface of the positioning rod (707), the upper end of the connecting ring (710) is fixedly connected to the positioning plate (705), a spring (708) is sleeved on the circular arc surface of the positioning rod (707), the two ends of the spring (708) are respectively fixedly connected to the moving frame (706) and the connecting ring (710), a positioning frame (704) is fixedly connected to the position of the moving frame (706) on the surface of the supporting top plate (9), the inner wall of the positioning frame (704) is plugged into one end of the moving frame (706), a screw rod (709) is threadedly penetrated through the circular arc surface of the connecting ring (710), and one end of the screw rod (709) is in contact with the circular arc surface of the positioning rod (707).

6. The necking machine according to claim 5, characterized in that: A plurality of limiting grooves (711) are provided on the surface of the fixing plate (703), and the plurality of limiting grooves (711) are evenly distributed on the surface of the fixing plate (703).

7. The necking machine according to claim 5, characterized in that: Both sides of one end of the movable frame (706) close to the positioning frame (704) are arc-shaped, and the movable frame (706) is a hard alloy frame.

8. The necking machine according to claim 1, characterized in that: A protective device (8) is provided on the upper surface of the support frame (4) at positions corresponding to the barrel (3) and the reduced diameter plate (2), the protective device (8) comprising a connection frame (81), the cross section of the connection frame (81) being rectangular, the lower surface of the connection frame (81) being fixedly connected to the surface of the support frame (4), the inner wall of the connection frame (81) being slidably connected to a magnetic plate (86), the cross-sectional dimensions of the magnetic plate (86) being compatible with the cross-sectional dimensions of the connection frame (81), the two side surfaces of the connection frame (81) being fixedly connected to connection frames (82), the inner wall arc surface of the connection frame (82) A rotating frame (84) is rotatably connected, the cross section of the rotating frame (84) is "U"-shaped, a connecting frame (87) is fixedly connected to the side of the connecting frame (81) away from the connecting frame (82), the inner wall of the connecting frame (87) is plugged into one end of the rotating frame (84), an insertion rod (88) is slidably penetrated through the surface of the connecting frame (87), the arc surface of the insertion rod (88) is sleeved with a tension spring (89), the two ends of the tension spring (89) are respectively fixedly connected to the insertion rod (88) and the surface of the connecting frame (81), and one end of the insertion rod (88) is plugged into the surface of the rotating frame (84).

9. The necking machine according to claim 8, characterized in that: Both ends of the inner wall of the connecting frame (82) are sleeved with coil springs (83), and both ends of the coil spring (83) are fixedly connected to the connecting frame (82) and the rotating frame (84) respectively.

10. The necking machine according to claim 8, characterized in that: The lower surface of the rotating frame (84) is fixedly connected with an inlay block (85), the surface of the inlay block (85) abuts against the surface of the magnetic plate (86), and the inlay block (85) is a sponge block.

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