CN212168763U

CN212168763U - End socket necking machine

Info

Publication number: CN212168763U
Application number: CN202020712388.9U
Authority: CN
Inventors: 杨帆; 何雅; 周晨亮
Original assignee: Xinji Haorui Head Manufacturing Co ltd
Current assignee: Xinji Haorui Intelligent Equipment Co.,Ltd.
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-18
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to a head necking machine, which comprises a frame and a driving piece arranged in the frame, and also comprises a plurality of carrier rollers arranged on the frame and an inner roller arranged on the frame, wherein the inner roller is circumferentially provided with a groove, a pushing piece arranged on the frame, an outer roller arranged on the pushing piece, a convex strip arranged on the outer roller and matched with the groove, a lower piece arranged on the frame and a control switch arranged on the frame; edges of the grooves and the raised lines are rounded; the inner roller is detachably connected with the driving piece; the control switch is respectively and electrically connected with the driving piece, the pushing piece and the pressing piece through the controller. The utility model belongs to the technical field of the head machine-shaping, can avoid the head in the course of working that carries out the throat, elastic deformation is too big and vertical direction takes place to beat, has the advantage that the machining precision is high.

Description

End socket necking machine

Technical Field

The utility model belongs to the technical field of the technique of head machine-shaping and specifically relates to a head throat machine is related to.

Background

Generally, when a pressure vessel tank body is manufactured, a lining ring is often additionally arranged in a cylinder body or a seal head, the aim is to ensure the centering degree of the cylinder body during butt joint, reduce the misalignment amount, prevent molten iron loss, reinforce a welding line and improve the welding strength. With the progress of science and technology, people have found that in the process of processing and forming the end socket, the connection part of the end socket and the tank body is subjected to end socket necking which shrinks inwards, when the end socket is used, the cylinder body is directly sleeved on the straight edge section of the end socket for welding, and obviously, the structure is better than the structure of additionally adding a welding lining ring.

The prior art can refer to utility model patent with publication number CN2187988, which is a liquid gas cylinder bottle end socket necking machine, mainly comprises a machine body, two vertical shafts parallel to each other, an outer roller and an inner roller respectively arranged at the upper ends of the vertical shafts, two gears arranged at the lower ends of the two vertical shafts and meshed with each other, two workpiece radial support rollers arranged on the surface of the machine body, two axial support rollers, two front support rollers, etc. The working principle is that a workpiece is erected on an axial supporting roller and a front supporting roller, and radial supporting and positioning are realized through a radial supporting roller and an inner roller. The oil cylinder pushes the outer roller to the workpiece and clamps the workpiece together with the inner roller. When the power source drives the vertical shaft to rotate through the coupler, the gears on the vertical shaft are meshed with the gears, so that the vertical shaft rotates, the rollers on the two vertical shafts also rotate, and the workpiece is driven to rotate. So that the bottom edge of the outer roller and the inner roller act together to machine and shape the necking of the end socket. The inner roller is designed to be much smaller than the diameter of the clamping fixture, so that during processing, the workpiece can be elastically deformed greatly to buffer the increase of the internal stress, and the workpiece can be prevented from cracking and being scrapped due to the generation of the large internal stress during processing.

In the above prior art scheme, in the process of head shrinking, the end socket is limited only in the horizontal direction, and the end socket is easy to jump in the vertical direction in the process of machining, so that the machining precision is affected. And the necking of the end socket is deformed due to the extrusion of the two rollers, and belongs to unrecoverable deformation, so that the inner rollers are much larger than the clamping fixture, and although the tool can generate larger elastic deformation to buffer the increase of the internal stress, the larger elastic deformation ensures that the processing precision of the necking of the end socket cannot be ensured, and the defect of low processing precision exists. Therefore, a head necking machine is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a head throat machine, can avoid the head in the course of working that carries out the throat, elastic deformation is too big and vertical direction takes place to beat, has the advantage that the machining precision is high.

The above object of the present invention can be achieved by the following technical solutions:

a kind of end socket throat machine, including the stander and driving piece mounted in stander, also include a plurality of bearing rollers mounted on stander, set up the inner roller on the stander, the said inner roller has grooves circumferentially, set up in pushing and pressing one on stander, mount the outer roller on pushing and pressing one, set up in outer roller with groove matched raised line, mount the lower pressing one on stander and control switch mounted on stander;

edges of the grooves and the raised lines are rounded;

the inner roller is detachably connected with the driving piece;

the control switch is respectively and electrically connected with the driving piece, the pushing piece and the pressing piece through the controller.

Through adopting above-mentioned technical scheme, the manual work is put the head work piece in the frame, and its inner surface and the side butt of interior roller, and the surface is pushed the side butt of the outer roller on the piece, under the drive action of driving piece, drives the rotation of head work piece. Simultaneously, the end socket rotates more stably in the machining process under the transmission action of the carrier roller, the machining process of the end socket workpiece cannot jump due to the arrangement of the pressing piece, and the problem of poor machining quality is avoided, so that the machining precision is higher.

The present invention may be further configured in a preferred embodiment as: the driving piece comprises a motor arranged in the rack and a speed reducer connected with the motor;

and an output shaft of the speed reducer is connected with the inner roller key.

Through adopting above-mentioned technical scheme, motor and speed reducer are used for driving the interior roller and rotate, and the setting up of key-type connection makes the moment of torsion of transmission bigger, and is to neutrality good.

The present invention may be further configured in a preferred embodiment as: and the rack is also provided with a vertical upward limiting roller.

Through adopting above-mentioned technical scheme, the setting of spacing roller is more to the radial spacing of work piece, makes in its course of working more stable.

The present invention may be further configured in a preferred embodiment as: the special-shaped positioning device is characterized in that a plurality of positioning blocks are further arranged on the rack, special-shaped positioning plates are arranged on the positioning blocks, and graduated scales are arranged on the special-shaped positioning plates along the radial direction.

Through adopting above-mentioned technical scheme, installed the opposite sex locating plate on the locating piece, and radially set up the scale on the opposite sex locating plate for the lower pressure member can fix a position fast, makes the positive center of lower pressure member and the positive center of head on same vertical line, therefore to the pressure of applying downwards of head, ensures vertical even applying downwards on the head. The end socket can be prevented from being stressed and deviated, so that the end socket is displaced and the necking precision is influenced.

The present invention may be further configured in a preferred embodiment as: the pushing and pressing piece comprises a mounting plate arranged on the rack, a sliding table connected with the mounting plate in a sliding manner and a first hydraulic cylinder arranged on the sliding table;

the outer roller is arranged on one side of the upper surface of the sliding table;

the telescopic end of the first hydraulic cylinder is connected with the mounting plate in a sliding mode.

Through adopting above-mentioned technical scheme, the mounting panel provides slip table and first pneumatic cylinder holding power, and pneumatic cylinder fixed mounting is on the slip table, and when the flexible end extension of pneumatic cylinder, the slip table slides on the mounting panel when first pneumatic cylinder receives the direction effort. Thereby the outer roller connected with the pushing piece is slowly extruded to the center of the end socket and is matched with the inner roller to process and form the necking of the end socket.

The present invention may be further configured in a preferred embodiment as: the lower pressing piece comprises a portal frame arranged on the frame, a second hydraulic cylinder arranged on the portal frame and a cylinder connected with the telescopic end of the second hydraulic cylinder.

Through adopting above-mentioned technical scheme, the pushing down piece is including installing the portal frame in the frame, and the second pneumatic cylinder on the portal frame can push down the cylinder to make its bottom surface and the surperficial butt of head, thereby play the limiting displacement of vertical direction to the head.

The present invention may be further configured in a preferred embodiment as: the bottom surface of the column body is an arc-shaped surface which is sunken upwards.

Through adopting above-mentioned technical scheme, the bottom surface of cylinder is the arcwall face of upwards sunken for the area of contact increase on the bottom surface of cylinder and the surface of head, it is better to the limiting displacement of head.

The present invention may be further configured in a preferred embodiment as: the bottom surface of the column body is provided with an elastic gasket.

Through adopting above-mentioned technical scheme, the elastic deformation that the bottom surface of cylinder set up avoids the cylinder to cause the damage to the surface of head.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the utility model discloses can not take place to beat with the course of working that pushes down the piece messenger head work piece, avoid the problem of processingquality variation for the machining precision is higher. And the grooves of the inner roller and the raised lines of the outer roller are provided with fillets, so that the corners of the necking can have gentle slope transition, the problem that the right angle is subjected to necking to cause the processing quality of the end socket necking to be poor is avoided, and the end socket necking is easy to damage.

2. The setting of opposite sex locating plate and scale for add the cylinder that will push down in the piece and play spacing and apply decurrent pressure to the head, and the cylinder bottom surface sets up to the arcwall face, makes the area of contact increase on the bottom surface of cylinder and the surface of head, and is better to the limiting displacement of head.

Drawings

Fig. 1 is a schematic perspective view of the present embodiment.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

FIG. 3 is a schematic view showing the construction of the urging member and the outer roller in the present embodiment.

Reference numerals: 11. the device comprises a rack, 12, a driving piece, 21, a carrier roller, 31, an inner roller, 32, a groove, 41, a pushing piece, 42, an outer roller, 43, a convex strip, 51, a pressing piece, 61, a control switch, 121, a motor, 122, a speed reducer, 111, a limiting roller, 112, a positioning block, 113, an opposite sex positioning plate, 114, a graduated scale, 411, a mounting plate, 412, a sliding table, 413, a first hydraulic cylinder, 52, a portal frame, 53, a second hydraulic cylinder, 54, a column body, 55 and an elastic gasket.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a head necking machine, mainly by frame 11, driving piece 12, bearing roller 21, interior roller 31, bulldoze 41, outer roller 42, holding down 51 and control switch 61 etc. and constitute.

The frame 11 may be a hollow box structure or a frame structure, and has a top surface formed by a one-piece metal plate, and a through hole is formed in the metal plate, through which a power output shaft for the driving member 12 extends to an upper surface of the metal plate. In addition, the frame 11 further includes a limit roller 111, a positioning block 112, an opposite sex positioning plate 113, and a scale 114.

The limiting rollers 111 are perpendicular to the rack 11 and are arranged on the top surface of the rack 11, the number of the limiting rollers is at least two, when the end socket machining device is used for machining, the inner surface of the end socket workpiece is tangent to the side surface of the inner roller 31, the outer surface of the end socket workpiece is tangent to the side surfaces of the two fiber rollers 111, the limiting effect on the end socket workpiece is better, the end socket workpiece is not easy to displace in the machining process, and the machining precision is poor. The limit roller 111 is composed of a base plate, a rotating roller installed on the base plate, and the like. Is fixed on the top surface of the frame 11 by bolts, and the position is adjustable.

The positioning blocks 112 may be metal blocks or plastic blocks, the side surfaces of which are perpendicular to the top surface of the frame 11, and the positioning blocks may be fixedly mounted on the top surface of the frame 11 by bolts, the number of which is at least three, and the structure of the triangular supports is more stable. The top surface of the positioning block 112 is abutted against the bottom surface of the special-shaped positioning plate 113, and a bolt penetrates through the special-shaped positioning plate 113 to be connected with the positioning block 112. The special-shaped positioning plate 113 can be formed by cutting and processing a circular plate, and the circular plate can be tangent to the inner roller 31, in this embodiment, the special-shaped positioning plate 113 prevents the influence on the rotation of the carrier roller 21, the inner roller 31 and the limit roller 111, and therefore a plurality of notches or strip holes are formed in the positioning plate in the circumferential direction.

The scale 114 is disposed on the shaped positioning plate 113 along the diameter direction of the shaped positioning plate 113, and the zero scale mark can be disposed at the center of the circle. In the process of machining the end socket workpiece, the position of the circle center of the bottom edge of the end socket workpiece can be obtained through the reading of the bottom edge of the end socket workpiece and the graduated scale 114, and the positioning and pressing central point of the pressing piece 51 can be directly and quickly found according to the reading on the graduated scale 114.

The driving member 12 includes a motor 121 and a speed reducer 122 for driving the inner roller 31 to rotate. The motor 121 is mounted in the frame 11 by bolts, and is connected to a speed reducer mounted in the frame 11 by bolts, and the motor 121 and the speed reducer 122 can be connected by a coupling or by directly extending an output shaft of the motor 121 into the speed reducer 122 and then flange-connecting the two. The output shaft of the speed reducer 122 extends out of the through hole of the metal plate on the top surface of the frame 11 and is connected with the inner roller 31 in a key mode.

The carrier roller 21 mainly comprises two supporting plates, a bearing arranged on the supporting plates, a cylinder arranged on the bearing in a penetrating way and the like. The number of the carrier rollers 21 is three, and the carrier rollers are distributed on the top plate of the frame 11 along the circumferential direction according to the three-point support principle. When the end socket is used, the necking bottom edge of the end socket workpiece is abutted against the surface of the carrier roller 21. When the end socket workpiece rotates, the carrier roller 21 plays a transmission role.

Referring to fig. 1 and 2, the axis of the inner roller 31 is perpendicular to the top surface of the frame 11, and the output shaft of the speed reducer 122 is connected to the inner roller 31 by a key connection, so that the transmitted torque is large. In addition, the inner roller 31 is also circumferentially provided with a groove 32, and the groove 32 is shaped as an annular groove and is used for providing an inward contraction space for the necking of the end socket workpiece.

Referring to fig. 1 and 3, the pushing member 41 includes a mounting plate 411, a slide table 412, and a first hydraulic cylinder 413, and the pushing member 41 is used to push the outer roller 42 in a direction to approach the inner roller 31. The mounting plate 411 is disposed on the frame 11, and connected to the frame 11 by welding or bolts, and the mounting plate 411 is provided with a sliding slot for mounting the sliding table 412.

Both side surfaces of the slide table 412 are inserted into the slide grooves of the mounting plate 411, and they can be reciprocated along the slide grooves of the mounting plate 411 by the first hydraulic cylinder 413. The telescopic end of the first hydraulic cylinder 413 is connected with one side of the mounting plate 411 through a bolt, the first hydraulic cylinder 413 is fixedly mounted on the top surface of the sliding table 412 through a bolt, after the first hydraulic cylinder 413 is started, the telescopic end extends, under the action of a reaction force, the sliding table 412 and the outer roller 42 mounted on the sliding table 412 move towards the direction close to the inner roller 31, the outer roller 42 extrudes the seal head workpiece, and a necking opening is formed in the bottom edge of the seal head workpiece.

The outer roller 42 is perpendicular to the top surface of the mounting plate 411 and is fixedly connected to the mounting plate 411. The outer roller 42 is a driven roller which can rotate along with the rotation of the end socket necking when extruding the end socket necking. In addition, still set up on the outer roller 42 with recess 32 assorted sand grip 43, and the edge of sand grip 43 is provided with the fillet, plays the effect of transition.

Referring to fig. 1, the down-pressure member 51 includes a gantry 52, a second hydraulic cylinder 53, and a cylinder 54. The gantry 52 is installed across one side of the top surface of the frame 11, and the connection with the frame 11 may be welding or bolting. The gantry 52 is formed by welding two columns and a beam. The second hydraulic cylinder 53 is fixedly and slidably mounted on the plane of the gantry 52 through a mounting seat, the mounting seat is moved through a reciprocating lead screw and a rotating wheel, and finally the mounting seat is fixed after the bolt is screwed by hands to move. The beam may also be provided with a ruler for positioning the second hydraulic cylinder 53.

The column 54 is fixedly connected with the telescopic end of the second hydraulic cylinder 53 by welding or bolting. The bottom surface of the column body 54 is an arc-shaped surface which is sunken upwards, so that the contact area between the bottom surface of the column body 54 and the outer surface of the seal head workpiece can be increased, the position of the seal head workpiece is better limited, and the seal head workpiece is not easy to jump. In addition, an elastic gasket is arranged on the bottom surface of the column body 54 and used for protecting the surface of the end socket workpiece.

The control switch 61 is installed on the frame 11 and includes a controller and control buttons, wherein the controller may adopt a PLC or a single chip microcomputer, and uses a control program loaded when leaving the factory, and electrically connects the control output end thereof to the driving member 12, the pushing member 41 and the pressing member 51, and the input end of the controller is connected to different control buttons through wires.

The implementation principle of the implementation is as follows:

firstly, manually reversely buckling the end socket workpiece on a carrier roller 21 on a rack 11, then adjusting a limiting roller 111 to limit the radial direction of the end socket workpiece, and then limiting the end socket workpiece in the vertical direction by using a pressing piece 51 to prevent the end socket workpiece from jumping. The drive member 12 is then actuated to move the outer roller 42 in a direction to approach the inner roller 31.

The convex strips 43 on the inner roller and the outer roller 42 enable the side edge of the end socket workpiece to contract inwards and deform towards the groove 32, so that the end socket necking is formed. During processing, the forming condition of the end socket necking is observed manually, and the operation of the end socket necking machine is stopped by the control switch 61 in time.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A head necking machine, includes frame (11) and installs driving piece (12) in frame (11), its characterized in that: the automatic feeding device is characterized by further comprising a plurality of carrier rollers (21) arranged on the rack (11), an inner roller (31) arranged on the rack (11), grooves (32) are formed in the upper circumference of the inner roller (31), a pushing piece (41) arranged on the rack (11), an outer roller (42) arranged on the pushing piece (41), convex strips (43) arranged on the outer roller and matched with the grooves (32), a pressing piece (51) arranged on the rack and a control switch (61) arranged on the rack (11);

edges of the groove (32) and the raised line (43) are rounded;

the inner roller (31) is detachably connected with the driving piece (12);

the control switch (61) is electrically connected with the driving piece (12), the pushing piece (41) and the pressing piece (51) through a controller (62).

2. A head necking machine according to claim 1, wherein: the driving part (12) comprises a motor (121) arranged in the rack (11) and a speed reducer (122) connected with the motor (121);

and an output shaft of the speed reducer (122) is connected with the inner roller (31) in a key mode.

3. A head necking machine according to claim 1, wherein: and the rack (11) is also provided with a vertical and upward limiting roller (111).

4. A head necking machine according to claim 1, wherein: the special-shaped table is characterized in that a plurality of positioning blocks (112) are further arranged on the rack (11), an opposite sex positioning plate (113) is arranged on each positioning block (112), and a graduated scale (114) is arranged on each opposite sex positioning plate (113) in the radial direction.

5. A head necking machine according to claim 1, wherein: the pushing part (41) comprises a mounting plate (411) arranged on the rack (11), a sliding table (412) connected with the mounting plate (411) in a sliding manner and a first hydraulic cylinder (413) arranged on the sliding table (412);

the outer roller (42) is arranged on one side of the upper surface of the sliding table (412);

the telescopic end of the first hydraulic cylinder (413) is connected with the mounting plate (411) in a sliding mode.

6. A head necking machine according to claim 1, wherein: the lower pressing piece (51) comprises a portal frame (52) arranged on the rack (11), a second hydraulic cylinder (53) arranged on the portal frame (52) and a column body (54) connected with the telescopic end of the second hydraulic cylinder (53).

7. A head necking machine according to claim 6, characterized in that: the bottom surface of the column body (54) is an arc-shaped surface which is concave upwards.

8. A head necking machine according to claim 6, characterized in that: the bottom surface of the column body (54) is provided with an elastic gasket (55).