CN111570643B

CN111570643B - Necking machine

Info

Publication number: CN111570643B
Application number: CN202010457038.7A
Authority: CN
Inventors: 刘明瑜
Original assignee: Zheng Lingjia
Current assignee: Zheng Lingjia
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-10-22
Anticipated expiration: 2040-05-26
Also published as: CN111570643A

Abstract

The invention discloses a necking machine, which structurally comprises necking equipment, a control box, a power box, a fixed table and a fixed plate, wherein the necking equipment is provided with a connecting plate, a fixed rod and a buckling device, a pipeline is placed on a tension mechanism, the pipeline is wrapped outside the compression plate by the tension of a spring rod to the compression plate through the inclined sliding of one end of the compression plate, the pipeline is positioned in the center of the necking to avoid the shaking caused by manual holding of the pipeline, buckling blocks are annularly attached to the outer wall of the pipeline, the power block buckles to enable the buckling blocks to neck the pipeline, a limit block rotates to act on the outer side of the elastic rod, a bonding plate is bent under the blocking of two sides of the upper end of the buckling plate, the mutual attachment of the buckling blocks avoids the generation of middle gaps caused by buckling, the phenomenon that the pipeline enters gaps in the deformation process of buckling is avoided, and the problem that the pipeline is irregular after necking is solved, the pipeline is prevented from being blocked by being embedded and fixed, so that the pipeline is more mellow, and the looseness of the pipeline is avoided.

Description

Necking machine

Technical Field

The invention relates to the field of necking machines, in particular to a necking machine.

Background

The pipe necking machine adopts extruded mode, make its internal cone oppress the outer conical surface that the pipe connects, the compression makes the pipe connect and produces a certain amount of radial plastic deformation, reach the purpose of inlaying mutually with the pipeline, thereby avoid welded fixed, carry out the dismouting of relapseing, but can make its diameter diminish when the pipe connects the compression, need necking machine extrusion equipment to extrude for withholding the machine structure, because the plasticity that the pipe connects, the pipe connects the clearance that gets into withholding the machine structure easily in the deformation process when the extrusion, make the extrusion end the back pipe connect the outside to be irregular form, cause and connect the difficulty of inlaying, influence the laminating degree of outer pipeline, lead to connecting easily not hard up.

Disclosure of Invention

The invention is realized by the following technical scheme: the utility model provides a throat machine, its structure includes throat equipment, control box, headstock, fixed station, fixed plate, throat equipment inlays the upper end at the fixed plate, the fixed plate inlays the left side upper end at the fixed station, the control box is installed in the right side upper end of fixed station, the control box is connected with the headstock electricity, the headstock is installed in the lower extreme of throat equipment, throat equipment is equipped with connecting plate, dead lever, withhold equipment, the connecting plate inlays the left side at withhold equipment, the dead lever is installed on the center pin of connecting plate, withhold equipment's the outside inlays the upper end at the fixed plate, the dead lever is located same center axis with withhold equipment, the fixed rod is fixed the pipeline, avoids the pipeline to rock and influences the throat.

The buckling and pressing device is further improved by comprising a connecting ring, a power block, eight buckling and pressing blocks and tension mechanisms, wherein the outer side of each buckling and pressing block is arranged on the inner side of the power block, the outer side of the power block is embedded and fixed on the inner side of the connecting ring, the tension mechanisms and the connecting ring are positioned on the same central axis, the inner sides of the tension mechanisms are embedded and fixed on the outer sides of the fixing rods, and the buckling and pressing blocks are annularly distributed around the tension mechanisms.

As a further improvement of the invention, the tension mechanism is provided with a compression plate, a stress mechanism, a bearing block and a spring rod, the stress mechanism and the compression plate are of an integrated structure, the inner side of the compression plate is attached to the outer side of the spring rod, the bearing block and the compression plate are positioned on the same central axis and are in clearance fit, and the front end of the compression plate is provided with an inclined structure.

As a further improvement of the invention, the stress mechanism is provided with a rubber plate, a gap block and a pressure plate, the rubber plate is attached to the surface of the pressure plate, the left side of the pressure plate is attached to the two sides of the compression plate, the gap block is embedded and fixed in the rubber plate, and the gap block is made of spherical sponge.

The invention is further improved, the buckling and pressing block is composed of elastic rods, a contraction plate, a limiting block, a loading and unloading plate and a buckling and pressing plate, the elastic rods are installed on two sides of the buckling and pressing plate, the limiting block is embedded at the upper end of the loading and unloading plate, the lower end of the contraction plate is installed inside the limiting block, the upper end of the contraction plate is in clearance fit with the upper end of the buckling and pressing plate, the inner side of the contraction plate is embedded and fixed on the outer side of the elastic rods, the contraction plate is of a triangular structure, and a limiting spring is installed inside the limiting block.

As a further improvement of the invention, the contraction plate is provided with a jointing plate, a gap groove, a spherical block and a rotating plate, the jointing plate is embedded and fixed at the upper end of the rotating plate, the spherical block is jointed inside the rotating plate, the gap groove is positioned inside the rotating plate, the left end of the rotating plate is embedded and fixed outside the elastic rod, the jointing plate is of a bent structure, and two ends of the jointing plate are welded at two sides of the rotating plate.

Advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

1. before the pipeline throat, the pipeline is placed on tension mechanism, slope through compression board one end slides, make the spring rod to the tension of compression board, make the pipeline wrapped up in the compression board outside, the pipeline is located the center of throat, avoid handheld the rocking that causes of pipeline manpower, the influence to the throat has been prevented to rock, when the throat, the compression board compresses the spring rod, make the laminating of the rubber slab on the atress mechanism on the load piece, under the effect of clearance piece, reduce the production in rubber slab and load piece clearance, and the material of rubber slab can not lead to the fact the blocking to the pipeline compression, the distortion of inner wall when having avoided the pipeline throat.

2. Detain the briquetting and encircle the laminating at the pipeline outer wall, at knot compression throat in-process, the power piece withholds and makes to detain the briquetting and carry out the throat to the pipeline, the shrink plate of withholding a both sides is laminated each other, rotate through the stopper and act on the elastic rod outside, the plywood is crooked under the blockking of withholding a board upper end both sides, the mutual laminating of withholding between the briquetting has avoided detaining the production that compresses into the intermediate space, pipeline deformation in-process gets into the clearance when preventing to withhold, be the problem of irregularity form behind the solution pipeline throat, avoid causing the hindrance admittedly inlaying of pipeline, make the pipeline more mellow and full, avoid the pipeline not hard up.

Drawings

Fig. 1 is a schematic structural diagram of a necking machine of the present invention.

Fig. 2 is a schematic perspective view of a necking apparatus according to the present invention.

Fig. 3 is a schematic plan view of a crimping apparatus according to the present invention.

FIG. 4 is a schematic plan view of a force mechanism of the present invention.

FIG. 5 is a schematic side view of a force-receiving mechanism according to the present invention.

Fig. 6 is a schematic plan view of a fastening block according to the present invention.

FIG. 7 is a schematic plan view of a shrink sheet according to the present invention.

In the figure: necking equipment-1, a control box-2, a power box-3, a fixed table-4, a fixed plate-5, a connecting plate-11, a fixed rod-12, a crimping equipment-13, a connecting ring-131, a power block-132, a crimping block-133, a tension mechanism-134, a compression plate-w 1, a stress mechanism-w 2, a force bearing block-w 3, a spring rod-w 4, a rubber plate-w 21, a gap block-w 22, a pressure plate-w 23, an elastic rod-a 1, a contraction plate-a 2, a limit block-a 3, a loading and unloading plate-a 4, a crimping plate-a 5, a jointing plate-a 21, a gap groove-a 22, a spherical block-a 23 and a rotating plate-a 24.

Detailed Description

The technology of the present invention is further described with reference to the accompanying drawings:

example 1:

as shown in fig. 1-5:

the invention relates to a necking machine which structurally comprises necking equipment 1, a control box 2, a power box 3, a fixed table 4 and a fixed plate 5, the necking equipment 1 is embedded and fixed at the upper end of a fixed plate 5, the fixed plate 5 is embedded and fixed at the upper end of the left side of a fixed table 4, the control box 2 is arranged at the upper end of the right side of the fixed table 4, the control box 2 is electrically connected with the power box 3, the power box 3 is arranged at the lower end of the necking equipment 1, the necking equipment 1 is provided with a connecting plate 11, a fixed rod 12 and a buckling and pressing device 13, the connecting plate 11 is embedded and fixed at the left side of the buckling and pressing device 13, the fixed rod 12 is arranged on the central shaft of the connecting plate 11, the outside of withholding equipment 13 is embedded in the upper end of fixed plate 5, dead lever 12 is located same central axis with withholding equipment 13, dead lever 12 is fixed the pipeline, avoids the pipeline to rock the influence throat.

The buckling and pressing device 13 is provided with a connecting ring 131, a power block 132, buckling and pressing blocks 133 and a tension mechanism 134, the outer sides of the buckling and pressing blocks 133 are mounted on the inner side of the power block 132, the outer sides of the power block 132 are embedded and fixed on the inner side of the connecting ring 131, the tension mechanism 134 and the connecting ring 131 are located on the same central axis, the inner side of the tension mechanism 134 is embedded and fixed on the outer side of the fixing rod 12, the buckling and pressing blocks 133 are arranged in eight numbers and distributed around the tension mechanism 134 in an annular mode, the buckling and pressing blocks 133 are attached to each other in advance before buckling, then the two sides of the buckling and pressing blocks 133 are attached to each other and contract in the buckling and pressing process, and gaps are prevented from being generated among the buckling and pressing blocks 133.

Wherein, tension mechanism 134 is equipped with compression board w1, atress mechanism w2, strength piece w3, spring rod w4, atress mechanism w2 and compression board w1 structure as an organic whole, the inboard laminating of compression board w1 is in the outside of spring rod w4, strength piece w3 and compression board w1 are located same central axis to carry out clearance fit, compression board w 1's front end has the slope structure, makes the pipeline wrap up compression board w1 more easily, supports the pipeline inner wall, makes the pipeline be located the central axis position of throat machine, avoids the throat to receive the influence.

The stress mechanism w2 is provided with a rubber plate w21, a gap block w22 and a pressure plate w23, the rubber plate w21 is attached to the surface of the pressure plate w23, the left side of the pressure plate w23 is attached to the two sides of the compression plate w1, the gap block w22 is embedded in the rubber plate w21, the gap block w22 is made of spherical sponge materials, a gap exists in the rubber plate w21, flexibility of the rubber plate w21 is enhanced, and attaching degree of the rubber plate w21 is improved.

The embodiment has the following specific use modes and functions:

in the invention, before the pipeline is contracted, the pipeline is placed on the tension mechanism 134, one end of the compression plate w1 slides obliquely, so that the spring rod w4 tensions the compression plate w1, the pipeline is wrapped outside the compression plate w1, the pipeline is positioned in the center of the contraction, the shaking caused by manual holding of the pipeline is avoided, and the influence of the shaking on the contraction is prevented.

Example 2:

as shown in fig. 6-7:

the buckling and pressing block 133 is composed of an elastic rod a1, a contraction plate a2, a limit block a3, a loading and unloading plate a4 and a buckling and pressing plate a5, the elastic rod a1 is installed on two sides of the buckling and pressing plate a5, the limit block a3 is fixedly embedded at the upper end of the loading and unloading plate a4, the lower end of the contraction plate a2 is installed inside the limit block a3, the upper end of the contraction plate a2 is in clearance fit with the upper end of the buckling and pressing plate a5, the inner side of the contraction plate a2 is fixedly embedded at the outer side of the elastic rod a1, the contraction plate a2 is of a triangular structure, a limit spring is installed inside the limit block a3, when the contraction plates a2 are mutually jointed and buckled, the contraction plate a2 rotates to compress the elastic rod a1 through rotation of the limit spring, the width of the inner side of the buckling and pressing block 133 is reduced, and the jointing of the contraction plates a2 is strengthened, so that mutual collision between the buckling and pressing block 133 is prevented from being damaged.

The retractable plate a2 is provided with a jointing plate a21, a gap groove a22, a spherical block a23 and a rotating plate a24, the jointing plate a21 is embedded and fixed at the upper end of the rotating plate a24, the spherical block a23 is attached to the inside of the rotating plate a24, the gap groove a22 is located inside the rotating plate a24, the left end of the rotating plate a24 is embedded and fixed at the outer side of the elastic rod a1, the jointing plate a21 is of a bent structure, two ends of the jointing plate a21 are welded at two sides of the rotating plate a24, so that the jointing plate a21 and two sides of the upper end of the buckling plate a5 can move, the retractable plate a2 can be retracted, and gaps are avoided during buckling.

The embodiment has the following specific use modes and functions:

in the invention, the buckling and pressing block 133 is attached to the outer wall of the pipeline in a surrounding manner, in the process of buckling and pressing the pipeline, the power block 132 buckles and presses the buckling and pressing block 133 to reduce the diameter of the pipeline, the contraction plates a2 on two sides of the buckling and pressing block 133 are attached to each other, the power block a3 rotates to act on the outer side of the elastic rod a1, the attachment plates a21 under the blocking of two sides of the upper end of the buckling and pressing plate a5 bend, the attachment plates a21 can rebound due to the spherical block a23, gaps are avoided during buckling, the buckling and pressing block 133 is replaced through the assembling and disassembling plate a4, the mutual attachment between the buckling and pressing blocks 133 avoids the generation of gaps in the buckling and pressing process, the phenomenon that the pipeline enters the gaps in the deformation process during buckling is avoided, the problem that the pipeline is irregular after being reduced is solved, the blockage caused by embedding of the pipeline is avoided, the pipeline is more round, and the pipeline is avoided from loosening.

The technical scheme of the invention is utilized, or a similar technical scheme is designed by a person skilled in the art based on the inspiration of the technical scheme of the invention, so that the technical effects are achieved, and the technical scheme and the method fall into the protection scope of the invention.

Claims

1. The utility model provides a throat machine, its structure includes throat equipment (1), control box (2), headstock (3), fixed station (4), fixed plate (5), throat equipment (1) inlays the upper end at fixed plate (5), fixed plate (5) inlay the left side upper end at fixed station (4), the right side upper end in fixed station (4) is installed in control box (2), control box (2) are connected with headstock (3) electricity, install in the lower extreme of throat equipment (1) headstock (3), its characterized in that:

the necking equipment (1) is provided with a connecting plate (11), a fixing rod (12) and crimping equipment (13), the connecting plate (11) is embedded and fixed on the left side of the crimping equipment (13), the fixing rod (12) is installed on a central shaft of the connecting plate (11), and the outer side of the crimping equipment (13) is embedded and fixed at the upper end of the fixing plate (5);

the withholding device (13) is provided with a connecting ring (131), a power block (132), a withholding block (133) and a tension mechanism (134), the outer side of the withholding block (133) is installed on the inner side of the power block (132), the outer side of the power block (132) is embedded and fixed on the inner side of the connecting ring (131), the tension mechanism (134) and the connecting ring (131) are located on the same central axis, and the inner side of the tension mechanism (134) is embedded and fixed on the outer side of the fixing rod (12);

the tension mechanism (134) is provided with a compression plate (w1), a stress mechanism (w2), a force bearing block (w3) and a spring rod (w4), the stress mechanism (w2) and the compression plate (w1) are of an integrated structure, the inner side of the compression plate (w1) is attached to the outer side of the spring rod (w4), and the force bearing block (w3) and the compression plate (w1) are located on the same central axis and are in clearance fit;

the stress mechanism (w2) is provided with a rubber plate (w21), a gap block (w22) and a pressure plate (w23), the rubber plate (w21) is attached to the surface of the pressure plate (w23), the left side of the pressure plate (w23) is attached to the two sides of the compression plate (w1), and the gap block (w22) is embedded in the rubber plate (w 21);

the buckling and pressing block (133) is composed of an elastic rod (a1), a contraction plate (a2), a limit block (a3), a loading and unloading plate (a4) and a buckling and pressing plate (a5), wherein the elastic rod (a1) is installed on two sides of the buckling and pressing plate (a5), the limit block (a3) is embedded at the upper end of the loading and unloading plate (a4), the lower end of the contraction plate (a2) is installed inside the limit block (a3), the upper end of the contraction plate (a2) is in clearance fit with the upper end of the buckling and pressing plate (a5), and the inner side of the contraction plate (a2) is embedded and fixed on the outer side of the elastic rod (a 1);

the shrink plate (a2) is provided with a jointing plate (a21), a gap groove (a22), a spherical block (a23) and a rotating plate (a24), wherein the jointing plate (a21) is embedded and fixed at the upper end of the rotating plate (a24), the spherical block (a23) is attached to the inside of the rotating plate (a24), the gap groove (a22) is located in the inside of the rotating plate (a24), and the left end of the rotating plate (a24) is embedded and fixed at the outer side of the elastic rod (a 1).