Metal pipe necking device

Abstract

The utility model discloses a metal pipe necking device which comprises a working table, a driving assembly is arranged in the middle of the working table, a fixing frame and an adjusting frame are movably arranged at the two ends of the driving assembly respectively, and sliding assemblies used for supporting, guiding and sliding of the fixing frame and the adjusting frame are symmetrically arranged at the top of the working table. A fixing assembly is arranged at the top of the fixing frame, a necking die is arranged on the fixing assembly in a clamped mode, a mounting assembly used for mounting a metal pipe is rotationally arranged at the top of the adjusting frame, and an adjusting assembly is arranged on one side of the bottom of the adjusting frame. The necking die can be quickly mounted and fixed through the arc-shaped clamping ring and the trapezoidal clamping block, and similarly, the necking die can be unlocked by pulling the pull rods on the two sides, so that the necking die can be quickly dismounted and replaced through the fixing assembly, and metal pipes with different diameter specifications and models can be subjected to necking processing.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal tubular product necking equipment technical field especially relates to a metal tubular product necking device. BACKGROUND

[0002] Metal tubular product necking refers to the operation of reducing the diameter of one end of metal tubular product, which is usually used for pipeline connection, fluid resistance reduction or pipeline shape change. The existing metal tubular product necking processing equipment can only clamp and fix single diameter type metal tubular product when fixing and installing the metal tubular product, cannot realize necking processing of metal tubular product with different diameter specifications, and is inconvenient to adjust the distance between necking die and metal tubular product fixing seat for metal tubular products with different lengths, which affects the necking processing rate of metal tubular product and leads to poor practicability of the equipment as a whole. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a metal tubular product necking device to solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a metal tubular product necking device, comprising a workbench, a driving assembly is arranged in the middle of the workbench, a fixing frame and an adjusting frame are movably arranged at both ends of the driving assembly, sliding assemblies for supporting and sliding the fixing frame and the adjusting frame are symmetrically arranged on the top of the workbench, a fixing assembly is arranged on the top of the fixing frame, a necking die is connected with the fixing assembly through clamping, an installation assembly for installing metal tubular product is rotatably arranged on the top of the adjusting frame, and an adjusting assembly is arranged on one side of the bottom of the adjusting frame.

[0005] Preferably, the driving assembly comprises a driving cavity formed in the middle of the workbench, a lead screw is arranged in the middle of the driving cavity, and a motor one with an output shaft fixedly connected with the end of the lead screw is arranged on one side of the workbench.

[0006] Preferably, the sliding assembly comprises guide rails symmetrically arranged on the top of the workbench, and the fixing frame and the adjusting frame are slidably connected with the guide rails on both sides through sliding blocks.

[0007] Preferably, the fixing frame and the adjusting frame are both cross-shaped, and screw holes are arranged at the bottom of the fixing frame and the adjusting frame and are threadedly connected with the lead screw.

[0008] As preferred, the fixing assembly comprises a fixing head arranged on one side of the top of the fixing frame, the fixing frame is provided with an electric cylinder with an output shaft fixedly connected with the fixing head, a mounting hole is arranged at one end of the fixing head, a telescopic cavity is symmetrically arranged on the side wall of the mounting hole, a fixing rod is slidably arranged in the telescopic cavity, an arc-shaped clamping ring and a trapezoidal clamping block are arranged at two ends of the fixing rod respectively, the inner wall of the telescopic cavity is connected with the side wall of the fixing rod through a spring, and a pull rod is arranged in the spring and connected with the fixing frame and the fixing rod.

[0009] As preferred, the side wall of the necking die is provided with an annular clamping groove and a groove corresponding to the arc-shaped clamping ring and the trapezoidal clamping block on both sides.

[0010] As preferred, the mounting assembly comprises a rotating frame rotatably arranged on the top of the adjusting frame, a plurality of chucks are arranged at one end of the rotating frame, a spline groove is arranged at the other end of the rotating frame, a spline rod is slidably arranged in the spline groove, a material abutting plate is sleeved on the outer circular wall of the spline rod, and a material abutting head is arranged on the material abutting plate corresponding to the chuck.

[0011] As preferred, a transmission wheel is fixedly arranged in the middle of the rotating frame, a driving wheel is arranged in meshing transmission with the transmission wheel, and the adjusting frame is provided with a second electric motor with an output shaft fixedly connected with the driving wheel.

[0012] As preferred, the adjusting assembly comprises a connecting frame arranged on one side of the bottom of the adjusting frame, a screw rod rotatably arranged in the middle of the connecting frame, a third electric motor with an output shaft fixedly connected with the end of the screw rod arranged on one side of the connecting frame, and a driving plate rotatably connected with the end of the spline rod and threadedly connected with the outer circular wall of the screw rod.

[0013] As preferred, support frames are arranged at the four corners of the workbench.

[0014] The utility model discloses beneficial effects:

[0015] 1. by inserting one end of the necking die into the mounting hole, then realizing the quick installation and fixation of the necking die through the arc-shaped clamping ring and the trapezoidal clamping block, and by pulling the two pull rods, the necking die is unlocked, the necking die can be quickly disassembled and replaced through the fixing assembly, and the necking processing of metal pipes of different diameter specifications and models is conveniently realized.

[0016] 2. by passing the metal pipe through the middle of the chuck and abutting against the material abutting head, the metal pipe fixedly arranged in the middle of the top chuck is in the concentric position with the necking die, then the electric motor is controlled to drive the two fixing frames and the adjusting frame to move close to each other or away from each other, the distance between the necking die and the end of the metal pipe to be necked is adjusted to the appropriate position, then the necking die is driven to extend or retract through the electric cylinder, the necking operation of the end of the metal pipe of different length or diameter specifications is conveniently realized, and the practicability of the equipment is improved.

[0017] 3. Through the metal pipe one end through the chuck and with the resistance head, and then the metal pipe is fixed to the chuck in the middle, through the three chuck in triangular distribution, and then the metal pipe can realize the feeding of the new pipe or the discharging operation of the pipe after the necking processing, improve the necking processing rate of the metal pipe. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the stereogram structure schematic diagram of the first visual angle of the embodiment of the utility model;

[0019] Figure 2 It is the stereogram structure schematic diagram of the second visual angle of the embodiment of the utility model;

[0020] Figure 3 It is the sectional stereogram structure schematic diagram of the fixed head in the embodiment of the utility model;

[0021] Figure 4 It is the stereogram structure schematic diagram of the lock catch mould in the embodiment of the utility model;

[0022] Figure 5 It is the enlarged structure schematic diagram of the A place of the embodiment of the utility model.

[0023] In the drawing: 1, workbench; 2, drive assembly; 21, drive cavity; 22, screw rod; 23, motor one; 3, fixed frame; 4, adjusting frame; 5, sliding assembly; 51, guide rail; 52, sliding block; 6, fixed assembly; 61, mounting hole; 62, telescopic cavity; 63, fixed rod; 64, arc clasp ring; 65, trapezoidal clamping block; 66, spring; 67, pull rod; 68, fixed head; 69, electric cylinder; 7, necking mould; 71, annular clamping groove; 72, groove; 8, mounting assembly; 81, rotating frame; 82, chuck; 83, spline groove; 84, spline rod; 85, resistance plate; 86, resistance head; 87, transmission wheel; 88, drive wheel; 89, motor two; 9, adjusting assembly; 91, connecting frame; 92, screw rod; 93, motor three; 94, drive plate; 10, screw hole; 11, support frame. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1 to 5The utility model provides a kind of metal pipe necking device, including workbench 1, the middle part of workbench 1 is equipped with driving assembly 2, driving assembly 2 two ends are respectively moved and equipped with fixed frame 3 and adjusting frame 4, the top of workbench 1 is symmetrically equipped with the sliding assembly 5 for the fixed frame 3 and the adjusting frame 4 support guide slide, the top of fixed frame 3 is equipped with fixed component 6, and necking mould 7 is equipped with the clamping of fixed component 6, the top of adjusting frame 4 is rotatably equipped with the mounting component 8 for installing metal pipe, one side of the bottom of adjusting frame 4 is equipped with adjusting component 9, by inserting one end of necking mould 7 into mounting hole 61 in fixed component 6, then realize the quick installation and fixation of necking mould 7 by arc clasp ring 64 and trapezoidal clamping block 65, and by pulling both sides pull rod 67, the unlocking of necking mould 7 is realized, the quick-release replacement of necking mould 7 is realized by fixed component 6, the necking processing of metal pipe of different diameter specifications and models is realized, by passing the middle part of chuck 82 in mounting component 8 with one end of metal pipe, and abutting against material head 86, the metal pipe fixed in the middle part of top chuck 82 is in concentric position with necking mould 7, then control motor one 23 in driving assembly 2 rotates, then drive both sides fixed frame 3 and adjusting frame 4 to be close to each other or be far away from each other, the distance between necking mould 7 and the necking end of metal pipe is adjusted to appropriate position, then control telescopic necking mould 7 driven by electric cylinder 69, the necking operation of the end of metal pipe of different length or diameter model is conveniently realized, and the practicability of equipment is improved.

[0026] As Figure 2 Specifically, the driving assembly 2 includes the driving cavity 21 opened in the middle part of the workbench 1, the lead screw 22 is arranged in the middle part of the driving cavity 21, and the motor one 23 with the fixed connection between the output shaft and the end part of the lead screw 22 is arranged on one side of the workbench 1. By starting the motor one 23 to drive the synchronous rotation of the lead screw 22, the fixed frame 3 and the adjusting frame 4 on both sides of the outer circular wall of the lead screw 22 are driven to be close to or far away from each other, which is convenient for subsequent stamping necking operation of the metal pipe.

[0027] Specifically, the sliding assembly 5 includes the guide rails 51 symmetrically arranged on the top of the workbench 1, and the fixed frame 3 and the adjusting frame 4 are slidably connected with the guide rails 51 on both sides through the sliding blocks 52. When the fixed frame 3 and the adjusting frame 4 move close to or far away from each other along the lead screw 22, the fixed frame 3 and the adjusting frame 4 are guided by the guide rails 51 and the sliding blocks 52 respectively, so as to avoid the radial load on the lead screw 22, improve the service life of the lead screw 22, and improve the stability of the fixed frame 3 and the adjusting frame 4 when moving.

[0028] Specifically, the fixed frame 3 and the adjusting frame 4 are both cross-shaped, and the bottom of the fixed frame 3 and the adjusting frame 4 is provided with a threaded hole 10 in threaded connection with the lead screw 22, so that the lead screw 22 drives the fixed frame 3 and the adjusting frame 4 to move closer to or away from each other by starting the motor.

[0029] As shown in Figure 3 Specifically, the fixed assembly 6 includes a fixed head 68 provided on one side of the top of the fixed frame 3, the fixed frame 3 is provided with an electric cylinder 69 fixedly connected with the output shaft of the fixed head 68, the fixed head 68 is provided with a mounting hole 61 at one end, the side wall of the mounting hole 61 is symmetrically provided with an expansion cavity 62, the expansion cavity 62 is slidably provided with a fixed rod 63, the two ends of the fixed rod 63 are respectively provided with an arc clamping ring 64 and a trapezoidal clamping block 65, the inner wall of the expansion cavity 62 is connected with the side wall of the fixed rod 63 through a spring 66, the middle part of the spring 66 penetrates the fixed frame 3 and the fixed rod 63 and is provided with a pull rod 67, one end of the necking die 7 is inserted into the mounting hole 61, and then the necking die 7 is pressed against the trapezoidal clamping block 65 during installation, the fixed rod 63 is pushed to extrude the spring 66 to move along the expansion cavity 62, and then the necking die 7 is adaptively installed to abut against the bottom wall of the expansion cavity 62, and at the same time, the two arc clamping rings 64 and trapezoidal clamping blocks 65 are respectively clamped and matched with the annular clamping groove 71 and the groove 72, so as to realize the installation and fixation of the necking die 7, by pulling the two pull rods 67, the arc clamping ring 64 and the trapezoidal clamping block 65 are driven to extrude the spring 66 to make the arc clamping ring 64 and the trapezoidal clamping block 65 respectively come out from the inside of the annular clamping groove 71 and the groove 72, and then the necking die 7 is quickly disassembled to realize quick disassembly and replacement of the necking die 7.

[0030] Specifically, by controlling the electric cylinder 69 to drive the fixed head 68 to expand and contract, the necking die 7 is matched with the fixed end of the metal pipe to realize the necking operation of the metal pipe.

[0031] As shown in Figure 4 Specifically, the side wall of the necking die 7 is provided with an annular clamping groove 71 and a groove 72 corresponding to the two arc clamping rings 64 and trapezoidal clamping blocks 65, respectively, when the necking die 7 is installed or disassembled, the two arc clamping rings 64 and trapezoidal clamping blocks 65 in the fixed assembly 6 are controlled to be clamped and matched with or separated from the annular clamping groove 71 and the groove 72 on the side wall of the necking die 7, respectively, so as to quickly realize the quick disassembly and replacement of the necking die 7, so as to realize the necking operation of metal pipes of different specifications and models by different necking dies 7.

[0032] Specifically, the side wall of the necking die 7 is provided with a positioning groove, and the inside of the mounting hole 61 is provided with a positioning protrusion corresponding to the positioning groove, so as to facilitate the installation and positioning of the necking die 7.

[0033] As Figure 2 and Figure 5 Specifically, the mounting assembly 8 includes a rotating frame 81 rotatably arranged at the top of the adjusting frame 4, one end of the rotating frame 81 is provided with a plurality of chucks 82, the other end of the rotating frame 81 is provided with a spline groove 83, a spline rod 84 is slidably arranged in the spline groove 83, a material abutting plate 85 is arranged on the outer circular wall of the spline rod 84, the material abutting plate 85 is provided with a material abutting head 86 corresponding to the chuck 82, by penetrating the metal pipe at one end through the chuck 82 and abutting with the material abutting head 86, the metal pipe is installed and fixed to the middle of the chuck 82, through the three chucks 82 distributed in a triangular shape, the metal pipe can realize feeding of new pipe or discharging of pipe after necking processing, thereby improving the necking processing speed of the metal pipe.

[0034] Specifically, a transmission wheel 87 is fixedly arranged in the middle of the rotating frame 81, a driving wheel 88 is drivingly arranged in engagement with the transmission wheel 87, the adjusting frame 4 is provided with a motor two 89 with an output shaft fixedly connected with the driving wheel 88, by starting the motor two 89, the driving wheel 88 and the transmission wheel 87 are drivingly engaged, thereby driving the rotating frame 81 to rotate, the chucks 82 of different stations are respectively located in the concentric position of the necking die 7, so as to semi-automatically realize the feeding, punching necking and discharging operations of the metal pipe, and improve the practicability of the equipment.

[0035] Specifically, the adjusting assembly 9 includes a connecting frame 91 arranged at one side of the bottom of the adjusting frame 4, a screw rod 92 rotatably arranged in the middle of the connecting frame 91, a motor three 93 with an output shaft fixedly connected with the end of the screw rod 92 is arranged at one side of the connecting frame 91, a driving plate 94 rotatably connected with the end of the spline rod 84 is threadedly connected to the outer circular wall of the screw rod 92, by driving the motor three 93 to synchronously rotate the screw rod 92, the driving plate 94 drives the material abutting plate 85 to move along the spline groove 83, so as to adjust the distance between the material abutting plate 85 and the chuck 82, improve the stability of the installation and fixation of metal pipes of different lengths, and in the process of rotating the rotating frame 81, the material abutting plate 85 is driven to synchronously rotate under the cooperation of the spline groove 83 and the spline, which is convenient for subsequent punching necking operation.

[0036] Specifically, support frames 11 are arranged at the four corners of the bottom of the workbench 1, and the workbench 1 is supported by the support frames 11.

[0037] The utility model discloses a working principle: when using, through the one end of necking die 7 is inserted to the mounting hole 61, and then realizes the quick installation fixed of necking die 7 through arc snap ring 64 and trapezoidal clamping block 65, and similarly through pulling both sides pull rod 67, realizes the unlocking of necking die 7, is convenient for realizing the quick detachable replacement of necking die 7 through fixed assembly 6, realizes the necking processing of the metal pipe of different diameter specifications model, through the one end of metal pipe passes through the middle part of chuck 82, and with the resistance material head 86, makes the metal pipe fixed in the middle part of top chuck 82 and necking die 7 in concentric position, then control motor one 23 and then drive both sides fixed frame 3 and adjusting frame 4 respectively mutually close, or mutually far away, the distance of necking die 7 and the necking end of metal pipe is adjusted to the appropriate position, then control electric cylinder 69 drives necking die 7 telescopic, conveniently realizes the necking operation of the end of metal pipe of different length or diameter model, improves the practicability of equipment.

[0038] The above only is the preferred embodiment of the utility model, and does not use to limit the utility model, and any modification, equivalent replacement or improvement etc. that is made within the spirit and principle of the utility model should include in the protection scope of the utility model.

Claims

1. A metal pipe necking device comprising a worktable (1), characterized in that; The middle part of the workbench (1) is provided with a driving assembly (2), the two ends of the driving assembly (2) are respectively provided with a fixed frame (3) and an adjusting frame (4), the top of the workbench (1) is symmetrically provided with a sliding assembly (5) for supporting and sliding of the fixed frame (3) and the adjusting frame (4), the top of the fixed frame (3) is provided with a fixed assembly (6), a necking die (7) is connected with the fixed assembly (6), the top of the adjusting frame (4) is rotatably provided with a mounting assembly (8) for mounting metal pipes, and one side of the bottom of the adjusting frame (4) is provided with an adjusting assembly (9).

2. A metal tube necking device according to claim 1, wherein: The driving assembly (2) comprises a driving cavity (21) formed in the middle part of the workbench (1), a lead screw (22) arranged in the middle part of the driving cavity (21), and a motor (23) arranged on one side of the workbench (1) and fixedly connected with the end of the lead screw (22).

3. A metal pipe necking device according to claim 1, wherein: The sliding assembly (5) comprises guide rails (51) symmetrically arranged on the top of the workbench (1), and the fixed frame (3) and the adjusting frame (4) are slidably connected with the guide rails (51) on both sides through sliding blocks (52).

4. A metal pipe necking device according to claim 2, wherein: The fixed frame (3) and the adjusting frame (4) are both cross-shaped, and the bottom of the fixed frame (3) and the adjusting frame (4) is provided with a threaded hole (10) in threaded connection with the lead screw (22).

5. A metal pipe necking device as defined in claim 1 wherein: The fixed assembly (6) comprises a fixed head (68) arranged on one side of the top of the fixed frame (3), an electric cylinder (69) arranged on the fixed frame (3) and fixedly connected with the fixed head (68), a mounting hole (61) formed in one end of the fixed head (68), expansion cavities (62) symmetrically formed in the side wall of the mounting hole (61), a fixed rod (63) slidably arranged in the expansion cavities (62), arc-shaped clamping rings (64) and trapezoidal clamping blocks (65) arranged at both ends of the fixed rod (63), springs (66) arranged between the inner wall of the expansion cavities (62) and the side wall of the fixed rod (63), and pull rods (67) arranged in the fixed frame (3) and connected with the fixed rod (63) through the middle part of the springs (66).

6. A metal tube necking device as defined in claim 5, wherein: The side wall of the necking die (7) is provided with annular clamping grooves (71) and grooves (72) corresponding to the arc-shaped clamping rings (64) and the trapezoidal clamping blocks (65) on both sides.

7. A metal pipe necking device as defined in claim 1 wherein: The mounting assembly (8) comprises a rotating frame (81) rotatably arranged on the top of the adjusting frame (4), a plurality of chucks (82) arranged on one end of the rotating frame (81), a spline groove (83) formed in the other end of the rotating frame (81), a spline rod (84) slidably arranged in the spline groove (83), a material abutting plate (85) sleeved on the outer circular wall of the spline rod (84), and material abutting heads (86) arranged on the material abutting plate (85) corresponding to the chucks (82).

8. A metal tube necking device according to claim 7, wherein: A transmission wheel (87) is fixedly arranged in the middle part of the rotating frame (81), a driving wheel (88) is arranged in meshing transmission with the transmission wheel (87), and a motor (89) is arranged on the adjusting frame (4) and fixedly connected with the driving wheel (88).

9. A metal pipe necking device according to claim 7, wherein: The adjusting assembly (9) comprises a connecting frame (91) arranged on one side of the bottom of the adjusting frame (4), a screw rod (92) rotatably arranged in the middle of the connecting frame (91), a motor three (93) arranged on one side of the connecting frame (91) and fixedly connected with the end of the screw rod (92), and a driving plate (94) threadedly arranged on the outer circular wall of the screw rod (92) and rotatably connected with the end of the spline rod (84).

10. A metal pipe necking device according to claim 1, wherein: The bottom of the workbench (1) is provided with supporting frames (11) at four corners.

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