CN211161574U - Necking device - Google Patents
Necking device Download PDFInfo
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- CN211161574U CN211161574U CN202021118419.4U CN202021118419U CN211161574U CN 211161574 U CN211161574 U CN 211161574U CN 202021118419 U CN202021118419 U CN 202021118419U CN 211161574 U CN211161574 U CN 211161574U
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Abstract
The utility model discloses a necking device, which comprises a machine tool, a mounting seat arranged on the machine tool in a sliding way, a first driving device for driving the mounting seat to move transversely, two sliding seats arranged on the mounting seat in a sliding way, and two second driving devices for driving the corresponding sliding seats to move longitudinally respectively; and each sliding seat is fixedly provided with a tool rest, each tool rest is provided with a pressing wheel, and the two pressing wheels are used for carrying out necking processing on the workpiece together. When the shape of the necking needs to be changed, only the advancing track of the pressing wheel needs to be adjusted, so that the applicability is strong, the operation is simple, and the work delay caused by the replacement of the die is eliminated.
Description
Technical Field
The utility model relates to a metal section processing technology field, in particular to throat device.
Background
At present, the processing method of the liner or other hollow cylinders of the water storage type water heater is to roll a metal sheet into a cylinder shape through a rolling machine, then weld joints are formed into a metal cylinder, finally the metal cylinder can carry out necking processing on the interface of the metal cylinder according to the product requirements, the existing necking equipment structure is rigid, a fixed die is utilized to carry out necking processing on the metal cylinder, the caliber of the metal cylinder is reduced, if the necking shape of the metal cylinder is changed, the die needs to be replaced or purchased again, the operation is complex, the applicability is poor, and the processing cost is high.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned prior art's weak point, the utility model aims to provide an easy operation need not to utilize the throat device of mould processing.
In order to achieve the purpose, the utility model adopts the following technical proposal:
A necking device comprises a machine tool, an installation seat arranged on the machine tool in a sliding manner, a first driving device for driving the installation seat to move transversely, two sliding seats arranged on the installation seat in a sliding manner, and two second driving devices for respectively driving the corresponding sliding seats to move longitudinally; and each sliding seat is fixedly provided with a tool rest, each tool rest is provided with a pressing wheel, and the two pressing wheels are used for carrying out necking processing on the workpiece together.
The pinch roller sets up on the knife rest through first installation support arm, the pinch roller rotationally sets up on first installation support arm, and two pinch rollers symmetry and slope set up.
The necking device also comprises a cooling mechanism for cooling the pinch roller, wherein the cooling mechanism comprises a support arranged on the first mounting support arm, a through hole formed in the support, a conduit and a circulating pump; the output end of the guide pipe is inserted into the through hole and faces the pinch roller; the input end of the conduit is connected with a circulating pump, and the circulating pump is used for conveying the cooling liquid into the conduit.
The top of the machine tool is symmetrically provided with two first guide rails extending along the axial direction of a workpiece, and the bottom of the mounting seat is in sliding connection with the first guide rails through first sliding blocks.
The first driving device comprises two first bearing seats arranged at the top of the machine tool, a first lead screw connected with the two first bearing seats, a first lead screw nut arranged on the first lead screw, and a first driving motor driving the first lead screw to rotate; the first lead screw nut is fixedly connected with the bottom of the mounting seat through a first connecting seat.
Two second guide rails perpendicular to the first guide rails are symmetrically arranged on the mounting seat, and the bottom of the sliding seat is connected with the second guide rails in a sliding mode through second sliding blocks.
Each second driving device comprises two second bearing seats arranged on the mounting seat, a second lead screw connected with the two second bearing seats, a second lead screw nut arranged on the second lead screw, and a second driving motor driving the second lead screw to rotate; and the second lead screw nut is fixedly connected with the bottom of the sliding seat through a second connecting seat.
The second driving motor is connected with the second lead screw through a transmission mechanism, the transmission mechanism comprises a driving belt wheel arranged at the output end of the second driving motor and a driven belt wheel arranged at one end of the second lead screw, and the driving belt wheel is in transmission connection with the driven belt wheel through a synchronous belt.
And one of the tool rests is provided with a second mounting support arm and a chamfering tool arranged on the second mounting support arm.
And a third mounting support arm and a cutter arranged on the third mounting support arm are arranged on one of the tool rests.
Has the advantages that:
The utility model provides a necking device, which utilizes two pressing wheels to carry out necking processing on a workpiece, when the shape of a necking needs to be changed, a first driving device and a second driving device adjust the transverse and longitudinal positions of the two pressing wheels, so that the pressing wheels move according to a preset processing track, and the joint of a metal cylinder is automatically processed and formed according to the product design standard; compared with the existing necking equipment, the necking machine does not need to use a die, only needs to adjust the advancing track of the pressing wheel when the necking shape needs to be changed, has strong applicability and simple operation, and eliminates the work delay caused by die replacement.
Drawings
Fig. 1 is a perspective view of the necking device provided by the present invention.
fig. 2 is a partially enlarged view of the region L in fig. 1.
Fig. 3 is a perspective view of a necking apparatus including the necking device of the present invention.
Detailed Description
The utility model provides a throat device, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right that the following refers to the attached drawing and the embodiment of lifting the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.
Referring to fig. 1-3, the present invention provides a necking device, wherein the horizontal direction is the axial direction of the workpiece, and the vertical direction is the direction perpendicular to the horizontal direction and the machine tool mounting plane.
the necking device comprises a machine tool 1, a mounting seat 2 arranged on the machine tool in a sliding mode, a first driving device 3 driving the mounting seat to move transversely, two sliding seats 4 arranged on the mounting seat 2 in a sliding mode, and two second driving devices 5 driving the corresponding sliding seats 4 to move longitudinally respectively, wherein each sliding seat 2 is fixedly provided with a tool rest 6, each tool rest 6 is provided with a pressing wheel 7, and the two pressing wheels 7 are used for necking a workpiece together.
When the device works, as shown in fig. 3, the metal cylinder A is clamped on the chuck B and drives the metal cylinder A to rotate through the rotary driving device C, the controller controls the first driving device 3 to move the mounting seat 2 and parts on the mounting seat 2 towards the direction of a workpiece, the two second driving devices 5 drive the corresponding sliding seats 4 to move, so that the two pressing wheels 7 are close to or far away from each other to adjust the size of the processed caliber, and the two pressing wheels 7 synchronously extrude and reduce the workpiece; then the controller controls the first driving device 3 and the second driving device 5 to adjust the transverse and longitudinal positions of the two pinch rollers 7 according to a preset instruction, so that the pinch rollers 7 move according to a preset processing track; and then the metal cylinder interface is processed and formed according to the product design standard. Compared with the existing necking equipment, the necking processing is automatically carried out on the workpiece by utilizing the pressing wheel 7 without using a die, when the shape of the necking needs to be changed, the advancing track of the pressing wheel only needs to be adjusted, the applicability is strong, the operation is simple, and the work delay caused by die replacement is eliminated.
Specifically, pinch roller 7 sets up on knife rest 6 through first installation support arm 61, pinch roller 7 rotationally sets up on first installation support arm 61, and two pinch roller 7 symmetries and slope set up for two pinch roller 7 slopes to form the splayed, through setting up like this, can reduce the frictional resistance between pinch roller 7's wheel face and the workpiece surface, thereby make the smooth transition in throat position of work piece better, improve the aesthetic property and the practicality of product.
Further, as shown in fig. 2, the necking device further includes a cooling mechanism 8 for cooling the pinch roller 7, wherein the cooling mechanism includes a support 81 disposed on the first mounting arm 61, a through hole 82 formed in the support, a conduit, and a circulating pump (not shown in the figure); the output end of the guide pipe is inserted into the through hole and faces the pinch roller; the input end of the guide pipe is connected with a circulating pump, and the circulating pump is used for conveying cooling liquid into the guide pipe, so that the cooling liquid is sprayed to the wheel surface of the pinch roller 7. On one hand, the cooling liquid takes away a large amount of heat energy generated in the necking processing of the pinch roller, the temperature of the workpiece is reduced, and the thermal deformation of the workpiece is reduced; on the other hand, the pressing wheel and the workpiece are in a process of extrusion and friction, and the cooling liquid plays a role in lubricating the pressing wheel.
In one embodiment, as shown in fig. 1, the top of the machine tool 1 is symmetrically provided with two first guide rails 11 extending along the axial direction of the workpiece, and the bottom of the mounting base 2 is slidably connected with the first guide rails 11 through first sliding blocks (not visible in the figure). In order to make the whole structure more compact, reduce the occupied space of the mounting seat 2 and facilitate the processing of the metal cylinder, the mounting plane on the top of the machine tool is obliquely arranged (for example, inclined by 45 degrees).
In one embodiment, as shown in fig. 1, the first driving device 3 includes two first sockets 31 disposed on the top of the machine tool, a first lead screw 32 connecting the two first sockets 31, a first lead screw nut (not visible in the figure) disposed on the first lead screw 32, and a first driving motor 33 driving the first lead screw 32 to rotate; the first lead screw nut is fixedly connected with the bottom of the mounting seat 2 through a first connecting seat. It should be noted that, since the first lead screw nut and the first connecting seat are disposed at the bottom of the mounting seat 2, the first lead screw nut and the first connecting seat cannot be directly observed from the figure. The first driving motor 33 is mounted on the machine tool 1 through a fixing frame 34, and the output end of the first driving motor 33 is connected with the first lead screw 32 through a coupler 35; the first driving motor 33 drives the first lead screw 32 to rotate, so as to drive the first lead screw nut, the first connecting seat and the mounting seat to move transversely together. The installation seat 2 is driven to move transversely by a lead screw transmission mode, the transmission precision is high, the movement is stable, and the transverse movement position of the pressing wheel 7 is accurate and reliable.
In one embodiment, as shown in fig. 1, two second guide rails 21 perpendicular to the first guide rail 11 are symmetrically disposed on the mounting base 2, and the bottom of the sliding base 4 is slidably connected to the second guide rails 21 through second sliding blocks 22. The two sliding seats 4 slide smoothly and stably in the longitudinal direction, and can move close to or away from each other in the longitudinal direction to adjust the distance between the two press wheels 7.
In one embodiment, as shown in fig. 1, each second driving device 5 includes two second sockets 51 disposed on the mounting base 2, a second lead screw 52 connecting the two second sockets 51, a second lead screw nut (not visible in the figure) disposed on the second lead screw 52, and a second driving motor 53 driving the second lead screw 52 to rotate; and the second lead screw nut is fixedly connected with the bottom of the sliding seat 4 through a second connecting seat. It should be noted that the second lead screw nut and the second connecting seat are not directly observed from the figure because the second lead screw nut and the second connecting seat are arranged at the bottom of the sliding seat 4. The sliding seat is driven to move longitudinally in a lead screw transmission mode, the transmission precision is high, the movement is stable, and the position of the longitudinal movement of the two pressing wheels is accurate and reliable.
In one embodiment, the second driving motor 53 is in transmission connection with the second lead screw 52 through a transmission mechanism 9, the transmission mechanism 9 includes a driving pulley 91 disposed at an output end of the second driving motor 53, and a driven pulley 92 disposed at one end of the second lead screw 52, and the driving pulley 91 is in transmission connection with the driven pulley 92 through a synchronous belt 93. Through setting up like this, second driving motor 53 can install in the bottom of mount pad 2, makes the part setting of mount pad 2 more compact and reasonable, and transmission efficiency is high.
In one embodiment, as shown in fig. 1, one of the tool holders 6 is provided with a second mounting arm 62, and a chamfering tool 63 provided on the second mounting arm 62. When the necking processing is completed, the controller controls the electric tool rest to rotate, and the chamfering tool 63 removes burrs on the edge of the metal cylinder.
In one embodiment, as shown in fig. 1, one of the cartridges 6 is provided with a third mounting arm 64, and a cutting blade 65 is provided on the third mounting arm 64. When the necking processing is finished, the controller controls the electric tool rest to rotate, the cutter faces the workpiece, and the metal cylinder is cut into the length required by the product by the cutter.
Preferably, as shown in fig. 1, a scrap collecting cart 10 is arranged below the workpiece, and scraps generated in the machining process can fall into the scrap collecting cart for convenient disposal.
It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.
Claims (10)
1. A necking device is characterized by comprising a machine tool, a mounting seat which is slidably arranged on the machine tool, a first driving device for driving the mounting seat to move transversely, two sliding seats which are slidably arranged on the mounting seat, and two second driving devices for respectively driving the corresponding sliding seats to move longitudinally; and each sliding seat is fixedly provided with a tool rest, each tool rest is provided with a pressing wheel, and the two pressing wheels are used for carrying out necking processing on the workpiece together.
2. A necking device according to claim 1, wherein the pinch roller is provided on the blade holder by a first mounting arm on which the pinch roller is rotatably provided, and wherein the two pinch rollers are symmetrically and obliquely provided.
3. The necking device of claim 2, further comprising a cooling mechanism for cooling the pinch roller, wherein the cooling mechanism comprises a support arranged on the first mounting arm, a through hole arranged on the support, a conduit and a circulating pump; the output end of the guide pipe is inserted into the through hole and faces the pinch roller; the input end of the conduit is connected with a circulating pump, and the circulating pump is used for conveying the cooling liquid into the conduit.
4. A necking device according to claim 1, wherein the top of the machine tool is symmetrically provided with two first guide rails extending along the axial direction of the workpiece, and the bottom of the mounting base is slidably connected with the first guide rails through first sliding blocks.
5. The necking device of claim 4, wherein the first driving device comprises two first sockets arranged at the top of the machine tool, a first lead screw connecting the two first sockets, a first lead screw nut arranged on the first lead screw, and a first driving motor driving the first lead screw to rotate; the first lead screw nut is fixedly connected with the bottom of the mounting seat through a first connecting seat.
6. A necking device according to claim 4, wherein two second guide rails perpendicular to the first guide rail are symmetrically arranged on the mounting base, and the bottom of the sliding base is slidably connected with the second guide rails through second sliding blocks.
7. The necking device of claim 6, wherein each second driving device comprises two second sockets arranged on the mounting base, a second lead screw connecting the two second sockets, a second lead screw nut arranged on the second lead screw, and a second driving motor driving the second lead screw to rotate; and the second lead screw nut is fixedly connected with the bottom of the sliding seat through a second connecting seat.
8. The necking device of claim 7, wherein the second driving motor is in transmission connection with the second lead screw through a transmission mechanism, the transmission mechanism comprises a driving pulley arranged on the output end of the second driving motor and a driven pulley arranged at one end of the second lead screw, and the driving pulley is in transmission connection with the driven pulley through a synchronous belt.
9. A necking device according to claim 1, wherein one of the tool holders is provided with a second mounting arm, and a chamfering tool provided on the second mounting arm.
10. A necking device according to claim 1 wherein one of the plurality of tool holders is provided with a third mounting arm and a cutter provided on the third mounting arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021118419.4U CN211161574U (en) | 2020-06-17 | 2020-06-17 | Necking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021118419.4U CN211161574U (en) | 2020-06-17 | 2020-06-17 | Necking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211161574U true CN211161574U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021118419.4U Active CN211161574U (en) | 2020-06-17 | 2020-06-17 | Necking device |
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| Country | Link |
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| CN (1) | CN211161574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116922103A (en) * | 2023-09-14 | 2023-10-24 | 四川岷河管道建设工程有限公司 | Automatic pipe necking, shaping and chamfering equipment and method |
-
2020
- 2020-06-17 CN CN202021118419.4U patent/CN211161574U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116922103A (en) * | 2023-09-14 | 2023-10-24 | 四川岷河管道建设工程有限公司 | Automatic pipe necking, shaping and chamfering equipment and method |
| CN116922103B (en) * | 2023-09-14 | 2023-11-21 | 四川岷河管道建设工程有限公司 | Automatic pipe necking, shaping and chamfering equipment and method |
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