CN110355270B - Seamless gas cylinder necking-in machine - Google Patents
Seamless gas cylinder necking-in machine Download PDFInfo
- Publication number
- CN110355270B CN110355270B CN201910733353.5A CN201910733353A CN110355270B CN 110355270 B CN110355270 B CN 110355270B CN 201910733353 A CN201910733353 A CN 201910733353A CN 110355270 B CN110355270 B CN 110355270B
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- cylinder body
- diversion trench
- cylinder
- piston
- sheath
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- 230000007246 mechanism Effects 0.000 claims abstract description 97
- 238000007493 shaping process Methods 0.000 claims abstract description 27
- 238000012545 processing Methods 0.000 claims abstract description 17
- 230000007306 turnover Effects 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000003754 machining Methods 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 210000000078 claw Anatomy 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 11
- 238000007667 floating Methods 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 42
- 230000008569 process Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000002955 isolation Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000005491 wire drawing Methods 0.000 description 4
- 238000009987 spinning Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/14—Recontouring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/24—Making hollow objects characterised by the use of the objects high-pressure containers, e.g. boilers, bottles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a seamless gas cylinder necking machine, which comprises a base, a necking machining mechanism and a workpiece mounting mechanism, wherein the necking machining mechanism and the workpiece mounting mechanism are arranged on the base; the closing-in processing mechanism comprises a movable base, a shaping wheel mechanism and a turnover mechanism; the shaping wheel mechanism and the turnover mechanism are arranged on the movable base in parallel; the workpiece mounting mechanism comprises a box body, a supporting seat, a workpiece mounting cylinder body, a piston assembly and an oil cylinder assembly; the box surrounds in the supporting seat outside, including upper plate, hypoplastron and four peripheral curb plates, work piece installation stack shell install on the supporting seat and the both ends of work piece installation stack shell pass the through-hole on the box relative both sides board and expose outside the box, the one end and the binding off processing agency of work piece installation stack shell are adjacent, and piston assembly and hydro-cylinder subassembly are connected gradually to the other end. The invention has the characteristics of high production efficiency, good clamping effect, high product quality, long service life, reasonable overall structural design and good sealing effect.
Description
Technical Field
The invention relates to the technical field of seamless gas cylinder production equipment, in particular to a seamless gas cylinder necking machine.
Background
The seamless gas cylinder is a storage container for storing high-pressure gas, and the neck of the high-pressure gas cylinder is provided with an arc-shaped excessive closing-in for installing a cylinder valve. At present, the closing-in of the gas cylinder is usually formed by adopting a roller spinning during the production of the gas cylinder, so that the surface quality is improved to some extent, but the performance is unstable, the structure is complex, the price is high, the popularization and the use of the gas cylinder are influenced, the bottle opening can be closed after closing-in, no perforation mechanism is designed, and the risk of bottle frying in the water quenching process in the subsequent heat treatment can be caused after closing-in. At present, when the gas cylinder is closed, the clamping mechanism of the gas cylinder is arranged externally, the appearance structure is complex, the structure is huge, and the overload of the rotating mechanism is caused, so that the energy consumption is too high. The front and rear bearings of the necking machine body are designed into deep groove ball bearings, isolation pads and tapered roller bearings, and force distribution during necking is not fully considered, so that the bearings are scrapped early and the service life is not long.
Disclosure of Invention
The invention aims to provide a seamless gas cylinder closing-in machine.
The invention solves the problems of complex appearance structure, unreasonable structural design, high energy consumption and short service life of the prior necking machine device.
The technical scheme adopted for solving the technical problems is as follows: the invention comprises a base, a closing-in processing mechanism and a workpiece mounting mechanism, wherein the closing-in processing mechanism and the workpiece mounting mechanism are arranged on the base; the closing-in processing mechanism comprises a movable base, a shaping wheel mechanism and a turnover mechanism; the shaping wheel mechanism and the turnover mechanism are arranged on the movable base in parallel; the workpiece mounting mechanism comprises a box body, a supporting seat, a workpiece mounting cylinder body, a piston assembly and an oil cylinder assembly; the box surrounds in the supporting seat outside, including upper plate, hypoplastron and four peripheral curb plates, work piece installation stack shell install on the supporting seat and the both ends of work piece installation stack shell pass the through-hole on the box relative both sides board and expose outside the box, the one end and the binding off processing agency of work piece installation stack shell are adjacent, and piston assembly and hydro-cylinder subassembly are connected gradually to the other end.
Further, the movable base comprises a first bottom plate, a transverse sliding rail, a transverse sliding block, a second bottom plate, a longitudinal sliding rail, a longitudinal sliding block and a third bottom plate from bottom to top; the first bottom plate is fixedly connected with the base plate, the transverse sliding rail is fixedly arranged on the first bottom plate, the lower surface of the second bottom plate is provided with a transverse sliding block, and the transverse sliding rail is matched with the transverse sliding block; the upper surface of the second bottom plate is fixedly provided with a longitudinal sliding rail, the lower surface of the third bottom plate is provided with a longitudinal sliding block, and the longitudinal sliding rail is matched with the longitudinal sliding block; a transverse oil cylinder is further arranged on the first bottom plate, and a push rod of the transverse oil cylinder is connected with the second bottom plate; the side of the second bottom plate is provided with a mounting bracket in an extending mode, a longitudinal oil cylinder is mounted on the mounting bracket, and a push rod of the longitudinal oil cylinder is connected with the third bottom plate.
Furthermore, the shaping wheel mechanism and the turnover mechanism are fixedly arranged on the third bottom plate, are respectively arranged at two ends of the third bottom plate and are positioned at two sides of the workpiece mounting mechanism; the shaping wheel mechanism comprises a support frame and a shaping wheel body, wherein the support frame comprises a front plate and a rear plate, and the shaping wheel body is arranged between the front plate and the rear plate by a connecting shaft penetrating through the center; the inner surface of the front plate, which is close to one side of the turnover mechanism, is provided with a thimble; the turnover mechanism comprises a first supporting block, a second supporting block, a turnover control handle, a rotating shaft and a template mechanism; the first supporting block and the second supporting block are respectively provided with a first perforation with corresponding positions, the rotating shaft penetrates through the first perforation, the template mechanism is arranged at one end of the rotating shaft close to the shaping wheel mechanism, and the overturning control handle is arranged on the middle section of the rotating shaft between the first supporting block and the second supporting block.
Further, the supporting seat comprises a first upright post and a second upright post; the first upright post and the second upright post are respectively provided with a second perforation corresponding to each other in position, a bearing is arranged at the second perforation, and the workpiece mounting cylinder body penetrates through the bearing and is supported on the supporting seat; the workpiece mounting cylinder body comprises a cylinder body base frame, a cylinder body sheath and an adjusting shield; the cylinder body base frame is of a cylinder body structure with two through ends, one end of the cylinder body base frame is an insertion port, and the other end of the cylinder body base frame is sealed by a transition connecting plate assembly; the cylinder body sheath is divided into a first sheath and a second sheath, the first sheath and the second sheath are sleeved on the outer side of the cylinder body base frame, and the first sheath and the second sheath are connected by a first connecting key; the length of the first sheath, the second sheath and the first connecting key after being spliced is greater than that of the box body; the bearings are sleeved outside the first sheath and the second sheath respectively; the adjusting shield is arranged at one end of the workpiece mounting cylinder body adjacent to the closing-in processing mechanism, and a key slot is arranged on the side wall of the part of the second shield exposed outside the box body; the interior of the adjusting shield is a containing movable space. The two ends of the adjusting shield are communicated with each other, the adjusting shield comprises a front port and a rear port, and the front port, the accommodating movable space and the barrel base frame are communicated with each other; the rear port is sleeved on the outer ring of the first shield, and the rear port and the first shield are welded and fixed.
Furthermore, the bearings arranged on the first upright post are two deep groove ball bearings, the bearings arranged on the second upright post are two tapered roller bearings, an isolation pad is arranged between the two deep groove ball bearings, an isolation pad is also arranged between the two tapered roller bearings, and the outer diameter of the isolation pad is lower than the center line between the outer ring and the inner ring of the bearing.
Further, one end of the cylinder body base frame is fixedly connected with a push-pull sleeve, and at least 5 openings are uniformly distributed on the side wall of the push-pull sleeve; the opening is provided with a claw, and the push-pull sleeve and the claw are both positioned in the accommodating movable space of the adjusting shield.
Furthermore, a space similar to a cone is arranged in the adjusting shield, an opening with larger space is close to the base frame of the cylinder body, and an opening with smaller space is close to the closing-in processing mechanism; the outer side wall of the claw is an arc-shaped curved surface, the inclination degree of the arc-shaped curved surface is consistent with the inclination procedure of the inner wall of the adjusting shield, and the arc-shaped curved surface of the claw is consistent with the curvature of the inner side wall of the space similar to the cone; the inner wall of each claw is provided with a groove and floating points, the grooves of the claws are looped into a circle to form an annular groove, the annular groove is provided with a wire pulling ring, and the floating points are uniformly distributed in the transverse direction and the longitudinal direction of the inner wall of the claw.
Further, the outer ring of the second sheath is sleeved with a belt pulley, the belt pulley is connected with the second sheath through a second connecting key, and the second connecting key is arranged in the key groove; the belt pulley is connected with the motor by a belt; one end of the cylinder body base frame provided with the belt pulley is in threaded connection with a limit nut, and the limit nut is adjacent to the belt pulley; the piston assembly is connected with the limit nut by a screw.
Further, the piston assembly comprises a cylinder body, a piston rod, a piston body and a piston cover; the piston cover is arranged on the side edge of the cylinder body and forms a sealed movable space with the cylinder body, the piston body is arranged on the piston rod and limited in the movable space, the cylinder body and the piston cover are provided with third perforations corresponding to each other in position, and one end of the piston rod penetrates through the third perforations on the cylinder body to extend to the position of the cylinder body base frame and is fixedly connected with the transition connecting plate assembly of the cylinder body base frame; the other end of the piston rod is positioned at a third perforation of the piston cover; the inner part of the cylinder body and the inner part of the piston cover are respectively provided with a diversion trench, the diversion trench is divided into a first diversion trench, a second diversion trench and a third diversion trench, the first diversion trench is communicated with the movable space on one side of the piston body, the second diversion trench is arranged on the piston cover and is communicated with the outer side surface and the inner side surface of the piston cover, and the first diversion trench is communicated with the second diversion trench; the third diversion trench is arranged on the piston cover, conducts the outer side surface and the inner side surface of the piston cover and is communicated with the movable space at the other side of the piston body.
Further, the oil cylinder assembly comprises a rotating shaft and a rotating oil cylinder; the rotary shaft is connected with the piston cover in a matching way, and the rotary oil cylinder sleeve is arranged outside the rotary shaft and is connected with the rotary oil cylinder sleeve by a bearing; a fourth diversion trench and a fifth diversion trench are arranged on the rotating shaft, the fourth diversion trench is communicated with the second diversion trench, and the fifth diversion trench is communicated with the third diversion trench; the rotary oil cylinder is provided with two oil inlets, namely a first oil inlet and a second oil inlet; the first oil inlet is communicated with the fourth diversion trench, and the second oil inlet is communicated with the fifth diversion trench.
The beneficial effects of the invention are as follows: compared with the prior art, the invention has the following advantages:
1. The production efficiency is high. The necking machine adopts a template mechanism for one-step molding, and has higher production efficiency compared with the multiple-time molding of die forging;
2. the shape of the produced product is more beautiful. One side of the main shaft is provided with a shaping mechanism and a thimble, the gas cylinder is shaped through the shaping mechanism after being subjected to spinning forming through the template mechanism, so that the shoulder of the product is smoother, the size is more accurate, the thimble penetrates into the bottle mouth of the steel cylinder, the bore of the steel cylinder is communicated with the atmosphere, the heat treatment effect is better, and the cutting allowance of subsequent machining is saved;
3. The clamping effect is good, and the product quality is high. The clamping claws are symmetrically distributed on the push-pull sleeve, the outer side of the clamping claws are contacted with the cylinder body base frame, and the inner side of the clamping claws are contacted with the workpiece. The clamping jaw is provided with floating points distributed longitudinally and transversely, so that the clamping effect of the workpiece is better, and the closing quality is improved. The inner wall of the claw is provided with a steel wire check ring, the steel wire check ring is contracted after the workpiece is clamped, the steel wire check ring is expanded after the workpiece is loosened, and the claw is freely opened and closed in the push-pull sleeve assembly, so that the structure is simple.
4. Long service life. The front deep groove ball bearing of the necking machine body, the rear tapered roller bearing and the isolation pad are arranged between the deep groove ball bearing and the tapered roller bearing, the outer diameter of the isolation pad is slightly lower than the center line between the outer ring and the inner ring of the bearing, lubricating oil can freely circulate, the service life of the bearing is effectively protected, and the tapered roller bearings are symmetrically arranged, so that the stress in the processing process of a workpiece is more uniform, and the durability of the bearing is better protected.
5. The whole structure is reasonable in design, good in sealing effect, and automatic in control process is realized by adopting PLC control.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a top view of the present invention.
FIG. 4 is a schematic view of the structure of the workpiece mounting mechanism of the present invention.
Fig. 5 is an enlarged schematic view at C in fig. 4.
FIG. 6 is a schematic view of the structure of the claw of the present invention.
FIG. 7 is a schematic diagram of the distribution of the claws of the present invention.
Fig. 8 is a schematic view of the installation structure of the cylinder assembly and the piston assembly of the present invention.
In the figure: 1. a base; 2. a closing-in processing mechanism; 20. a movable base; 200. a first base plate; 201. a transverse slide rail; 202. a transverse slide block; 203. a second base plate; 204. a mounting bracket; 205. a longitudinal oil cylinder; 206. a longitudinal slide rail; 207. a longitudinal slide block; 208. a third base plate; 209. a transverse oil cylinder; 21, a turnover mechanism; 210. a first support block; 211. a rotating shaft; 212. a second support block; 213. a template mechanism; 214. turning over the control handle; 22. a shaping wheel mechanism; 220. a front plate; 221. a connecting shaft; 222. a shaping wheel body; 223. a thimble; 224. a rear plate; 3. a workpiece mounting mechanism; 30. a workpiece mounting cylinder body; 300. a wire drawing ring; 301. a claw; 3010. an arc-shaped curved surface; 3011. a groove; 3012. floating point; 302. adjusting the shield; 3020. a space; 303. a push-pull sleeve; 3030. an opening; 304. a barrel base frame; 3040. an insertion port; 3041. a transition web assembly; 3042. a fastening screw; 3043. a connecting plate body; 3044. a limiting plate; 305. a first sheath; 306. a first connection key; 307. a second sheath; 3070. a key slot; 308. a spacer; 31. a support base; 310. a first upright; 311. a second upright; 312. a second perforation; 313. a bearing; 32. a case; 33. a piston assembly; 330. a cylinder; 3300. a first diversion trench; 3301. a movable space; 3302. a movable space; 331. a piston rod; 332. a piston body; 333. a piston cap; 3330. a second diversion trench; 3331. a third diversion trench; 34. an oil cylinder assembly; 340. a rotation shaft; 3400. a fourth diversion trench; 3401. a fifth diversion trench; 341. a rotary cylinder; 342. a bearing; 343. a positioning sleeve; 344. a second oil inlet; 345. a first oil inlet; 346. a gland; 4. a belt; 5. a motor; 6. a belt pulley; 7. a second connection key; 8. and (5) limiting the nut.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1 and 2, the present invention includes a base 1, a closing-in processing mechanism 2 mounted on the base 1, and a workpiece mounting mechanism 3. The necking mechanism 2 comprises a movable base 20, a shaping wheel mechanism 22 and a turnover mechanism 21. The movable base 20 is mounted on the base 1, and the truing wheel mechanism 22 and the turning mechanism 21 are disposed parallel to each other on the movable base 20.
As shown in fig. 1 and 2, the mobile base 20 includes, from bottom to top, a first base plate 200, a lateral slide rail 201, a lateral slide block 202, a second base plate 203, a longitudinal slide rail 206, a longitudinal slide block 207, and a third base plate 208. The first bottom plate 200 is fixedly connected with the base plate 1, the transverse sliding rail 201 is fixedly installed on the first bottom plate 200, the transverse sliding block 202 is installed on the lower surface of the second bottom plate 203, and the transverse sliding rail 201 is matched with the transverse sliding block 202. The upper surface of the second bottom plate 203 is fixedly provided with a longitudinal sliding rail 206, the lower surface of the third bottom plate 208 is provided with a longitudinal sliding block 207, and the longitudinal sliding rail 206 is matched with the longitudinal sliding block 207. The first bottom plate 200 is also provided with a transverse oil cylinder 209, and a push rod of the transverse oil cylinder 209 is connected with the second bottom plate 203; a mounting bracket 204 is extended and mounted on the side of the second bottom plate 203, a longitudinal oil cylinder 205 is mounted on the mounting bracket 204, and a push rod of the longitudinal oil cylinder 205 is connected with a third bottom plate 208. There are at least 3 pairs of cooperating transverse slide 201 and transverse slider 202, longitudinal slide 206 and longitudinal slider 207, respectively.
As shown in fig. 1 and 3, the shaping wheel mechanism 22 and the turning mechanism 21 are fixedly mounted on the third base plate 208, and are respectively mounted at two ends of the third base plate 208 and positioned at two sides of the workpiece mounting mechanism 3. The truing wheel mechanism 22 includes a support frame including a front plate 220 and a rear plate 224, and a truing wheel body 222 mounted between the front plate 220 and the rear plate 224 with a connecting shaft 221 passing through the center. An ejector pin 223 is provided on the inner surface of the front plate 220 on the side close to the tilting mechanism 21. As shown in fig. 2 and 3, the tilting mechanism 21 includes a first support block 210, a second support block 212, a tilting control handle 214, a rotation shaft 211, and a template mechanism 213. The first support block 210 and the second support block 212 are respectively provided with a first perforation corresponding to each other in position, the rotating shaft 211 passes through the first perforation, the template mechanism 213 is arranged at one end of the rotating shaft 211 close to the shaping wheel mechanism 22, and the overturning control handle 214 is arranged on the middle section of the rotating shaft 211 between the first support block 210 and the second support block 212. The template mechanism 213 is close to one end of the necking mechanism 2, and after the workpiece is installed, the workpiece is spin-formed by the template mechanism 213.
As shown in fig. 1, the workpiece mounting mechanism 3 includes a case 32, a support base 31, a workpiece mounting cylinder 30, a piston assembly 33, and an oil cylinder assembly 34. The box 32 surrounds in the supporting seat 31 outside, and including upper plate, hypoplastron and four peripheral curb plates, work piece installation stack 30 installs on supporting seat 31 and the through-hole that the box 32 was passed on the relative both sides board of box 30 at the both ends exposes outside the box 32, and the one end and the binding off processing mechanism 2 of work piece installation stack 30 are adjacent, and the other end connects gradually piston assembly 33 and hydro-cylinder subassembly 34.
The support base 31 includes a first upright 310 and a second upright 311. The first pillar 310 and the second pillar 311 are provided with second through holes 312 corresponding to each other. A bearing 313 is mounted at the second perforation 312. The workpiece mounting cylinder 30 passes through the bearing 313 and is rested on the support base 31. As shown in fig. 4, the workpiece mounting cartridge 30 includes a cartridge base 304, a cartridge jacket, and an adjustment shield 302. The barrel base frame 304 has a barrel structure with two through ends, one end is an insertion port 3040, and the other end is sealed by a transition connecting plate assembly 3041; the shell jacket is divided into a first jacket 305 and a second jacket 307, the first jacket 305 and the second jacket 307 are sleeved on the outer side of the shell base frame 304, and the first jacket 305 and the second jacket 307 are connected by a first connecting key 306. The length of the first sheath 305, the second sheath 307 and the first connecting key 306 after being spliced is greater than the length of the box 32. The bearings 313 are sleeved outside the first sheath 305 and the second sheath 307, respectively. The adjustment shroud 302 is disposed at one end of the workpiece mounting barrel 30 adjacent the necking mechanism 2. The portion of the second sheath 307 exposed to the outside of the case 32 is provided with a key groove 3070 on the side wall thereof. The interior of the adjustment shield 302 is a space for accommodating movement. The two ends of the adjusting shield 302 are communicated with each other, and the adjusting shield comprises a front port and a rear port, wherein the front port, the accommodating movable space and the barrel base frame 304 are communicated with each other, and a workpiece extends into and is installed from the front port and the accommodating movable space; the rear port is sleeved on the outer ring of the first shield 305 and the rear port and the first shield are welded and fixed.
The bearings arranged on the first upright post 310 are two deep groove ball bearings, the bearings arranged on the second upright post 311 are two tapered roller bearings, a spacer 308 is arranged between the two deep groove ball bearings, a spacer 308 is also arranged between the two tapered roller bearings, and the outer diameter of the spacer 308 is lower than the center line between the outer ring and the inner ring of the bearing. Therefore, the lubricating oil can freely circulate, and the service life of the bearing is effectively prolonged. In addition, the two tapered roller bearings are symmetrically distributed, so that the stress in the processing process of the workpiece is more uniform, and the durability of the bearings is better protected.
As shown in fig. 4 and 5, one end of the base frame 304 of the barrel is fixedly connected with a push-pull sleeve 303, and at least 5 openings 3030 are uniformly distributed on the side wall of the push-pull sleeve 303. The jaw 301 is embedded in the opening 3030, and the push-pull sleeve 303 and the jaw 301 are both positioned in the accommodating movable space of the adjusting shield 302.
The interior of the adjustment shield 302 is provided with a conical-like space 3020, the larger opening of the space 3020 being adjacent the cartridge base frame 304 and the smaller opening of the space 3020 being adjacent the necking mechanism 2. The outer side wall of the claw 301 is an arc-shaped curved surface 3010, the inclination degree of the arc-shaped curved surface 3010 is consistent with the inclination procedure of the inner wall of the adjusting shield 302, and the arc-shaped curved surface 3010 of the claw 301 is consistent with the curvature of the inner side wall of the space 3020 of the approximate cone. As shown in fig. 6 and 7, the inner wall of each claw 301 is provided with a groove 3011 and floating points 3012, the grooves 3011 of the claws 301 are looped into a circle to form an annular groove, the annular groove is provided with wire pulling rings 300, and as shown in fig. 5, the floating points 3012 are uniformly distributed in the transverse direction and the longitudinal direction of the inner wall of the claw 301. The claw 301 is mainly used for grasping and loosening a workpiece, and the claw 301 drives the wire drawing ring 300 to tighten and loosen in the moving process, so that the grasping force of the wire drawing ring 300 on the workpiece is driven.
The outer ring of the second sheath 307 is sleeved with a pulley 6, the pulley 6 is connected with the second sheath 307 by a second connecting key 7, and the second connecting key 7 is arranged in the key groove 3070. The pulley 6 is connected to the motor 5 by means of the belt 4. One end of the barrel base frame 304 provided with the belt pulley 6 is connected with the limit nut 8 in a threaded manner, and the limit nut 8 is adjacent to the belt pulley 6. The piston assembly 33 is screwed with the limit nut 8.
When the clamping jaw 301 approaches to the opening with smaller space, the outer side wall of the clamping jaw 301 is tightly connected with the inner wall of the adjusting shield 302, and meanwhile, the inner wall of the clamping jaw 301 clamps a workpiece; when the claw 301 approaches to the opening with larger space, the claw 301 is tightly connected with the inner wall of the adjusting shield 302 under the expansion force of the wire drawing ring. When the motor 5 drives the first sheath 305, the second sheath 307 and the adjusting sheath 302 to rotate under the action of the belt 4, the belt pulley 6 and the second connecting key 7, the claw 301 and the push-pull sleeve are indirectly driven to rotate, and the barrel base frame 304 is driven to rotate.
As shown in fig. 8, the piston assembly 33 includes a cylinder 330, a piston rod 331, a piston body 332, and a piston cover 333. The piston cover 333 is installed at a side of the cylinder 330 and forms a sealed movable space with the cylinder 330. The piston body 332 is mounted on the piston rod 331 and is limited in the movable space. The cylinder 330 and the piston cover 333 are provided with third perforations corresponding in position, one end of the piston rod 332 extends to the position of the cylinder body base frame 304 through the third perforations on the cylinder 330 and is fixedly connected with the transition connecting plate assembly 3041 of the cylinder body base frame 304, and the other end of the piston rod is positioned at the third perforations of the piston cover 333. The transition connection plate assembly 3041 includes a connection plate body 3043, a limit plate 3044, and a fastening screw 3042; the connecting plate body 3043 is provided with a mounting groove, the end part of the piston rod 331 is embedded in the mounting groove, the side wall of the piston rod is clamped by the limiting plate 3044 to limit the movement of the piston rod 331, and the limiting plate and the connecting plate body are nailed by the fastening screw 3042. The inside of the cylinder 330 and the inside of the piston cover 333 are respectively provided with a diversion trench, the diversion trench is divided into a first diversion trench 3300, a second diversion trench 3330 and a third diversion trench 3331, the first diversion trench 3300 is communicated with the movable space 3302 at one side of the piston body 332, the second diversion trench 3330 is arranged on the piston cover 333 and is communicated with the outer side surface and the inner side surface of the piston cover 333, and the first diversion trench 3300 is communicated with the second diversion trench 3330; the third guide groove 3331 is disposed on the piston cover 333 and communicates with the movable space 3301 on the other side of the piston body 332 by passing through the outer and inner sides of the piston cover 333.
The cylinder assembly 34 includes a rotation shaft 340 and a rotation cylinder 341. The rotary shaft 340 is coupled to the piston cover 333, and the rotary cylinder 341 is coupled to the outside of the rotary shaft 340 by a bearing 342. The rotating shaft 340 is provided with a fourth diversion trench 3400 and a fifth diversion trench 3401, the fourth diversion trench 3400 is communicated with the second diversion trench 3330, and the fifth diversion trench 3401 is communicated with the third diversion trench 3331. The rotating shaft 340 is also sleeved with a positioning sleeve 343, the positioning sleeve 343 is adjacent to the bearing 342, the positioning sleeve 343 is matched with the rotating oil cylinder 341, and the rotating oil cylinder 341 is provided with two oil inlets which are a first oil inlet 345 and a second oil inlet 344 respectively; the first oil inlet 345 communicates with the fourth flow guide groove 3400, and the second oil inlet 344 communicates with the fifth flow guide groove 3401. A gland 346 is installed at an end of the rotary shaft 340 remote from the piston assembly to prevent leakage of oil. The second oil inlet 344 is filled with oil, flows through the fifth diversion trench 3401 and the third diversion trench 3331, pushes the piston to move forward, then drives the piston rod to move forward, indirectly drives the barrel base frame 304 to move forward, and reduces the space between the clamping jaws 301, so as to grasp a workpiece. The first oil inlet 345 is filled with oil, flows through the fourth diversion trench 3400, the second diversion trench 3330 and the first diversion trench 3300, pushes the piston to move backwards, drives the piston rod to move backwards, indirectly drives the barrel base frame 304 to move backwards, increases the distance between the clamping jaws 301, and accordingly loosens workpieces.
The working principle of the invention is as follows: before the workpiece is fed into the barrel base frame 304 and processed, the pushing position of the transverse oil cylinder 209 is set, so that the template mechanism 213 moves left and right on the transverse guide rail 201, the template mechanism 213 is concentric with the workpiece, the pushing position of the longitudinal oil cylinder 205 is set, and the template mechanism 213 moves back and forth on the longitudinal guide rail 206, so that the initial turning position of the template mechanism 213 is determined. The pushing stroke of the transverse cylinder 209 is set so that the shaping wheel body 222 is well attached to the workpiece. The motor 5 drives the first sheath 305, the second sheath 307 and the adjusting sheath 302 to rotate under the action of the belt 4, the belt pulley 6 and the second connecting key 7 to indirectly drive the barrel base frame 304 to rotate. In the subsequent processing process, the machine tool can not stop, and the machine tool continuously rotates. Through PLC control hydraulic servo, the second oil inlet 344 of rotary cylinder 341 gets into 5MPa hydraulic oil, and piston body 332 forward movement has driven stack shell frame 304, push-and-pull cover 303, jack catch 301 through piston rod 331 and has moved forward together, and in the forward movement process, the distance between the jack catch 301 reduces gradually for jack catch 301 closely laminates with the work piece, rotates together with stack shell bed frame 304.
The workpiece and the workpiece mounting cylinder body 30 rotate together, the template mechanism 213 of the turnover mechanism 21 turns clockwise by 90 degrees under the drive of the control handle 214, a preset bottle mouth shape is formed through a spinning forming step, after the template mechanism 213 is restored to the initial position after processing, the transverse cylinder 209 pushes the shaping wheel body 222 to move towards the direction of mounting the workpiece, the ejector pin 223 on the front plate is propped against the port of the gas cylinder to play a role in positioning, the shaping wheel mechanism 22 works, and the shaping wheel is shaped into the shape of the shoulder of the preset gas cylinder.
After the machining is finished, when the first oil inlet 345 of the rotary oil cylinder 341 enters hydraulic oil, the piston 332 moves backward, the piston rod 331 drives the barrel frame 304, the push-pull sleeve 303 and the claw 301 to move backward together, in the backward moving process, the distance between the claw 301 and the workpiece is gradually increased under the action of the swelling force of the steel wire retainer ring 300, the claw 301 is separated from the workpiece, and the claw 301 is tightly attached to the inner wall of the adjusting shield 302 under the action of the steel wire retainer ring 300. The work is released so that the work can be taken out.
Claims (8)
1. A seamless gas cylinder necking machine comprises a base, a necking machining mechanism and a workpiece mounting mechanism, wherein the necking machining mechanism and the workpiece mounting mechanism are arranged on the base; the necking processing mechanism is characterized by comprising a movable base, a shaping wheel mechanism and a turnover mechanism; the shaping wheel mechanism and the turnover mechanism are arranged on the movable base in parallel; the shaping wheel mechanism comprises a support frame and a shaping wheel body, wherein the support frame comprises a front plate and a rear plate, and the shaping wheel body is arranged between the front plate and the rear plate by a connecting shaft penetrating through the center; the inner surface of the front plate, which is close to one side of the turnover mechanism, is provided with a thimble; the turnover mechanism comprises a first supporting block, a second supporting block, a turnover control handle, a rotating shaft and a template mechanism; the first supporting block and the second supporting block are respectively provided with a first perforation corresponding to each other in position, the rotating shaft penetrates through the first perforation, the template mechanism is arranged at one end of the rotating shaft close to the shaping wheel mechanism, and the overturning control handle is arranged on the middle section of the rotating shaft between the first supporting block and the second supporting block; the workpiece mounting mechanism comprises a box body, a supporting seat, a workpiece mounting cylinder body, a piston assembly and an oil cylinder assembly; the box body surrounds the outer side of the supporting seat and comprises an upper plate, a lower plate and side plates with four peripheral surfaces, the workpiece mounting cylinder body is mounted on the supporting seat, two ends of the workpiece mounting cylinder body penetrate through holes in the two opposite side plates of the box body and are exposed out of the box body, one end of the workpiece mounting cylinder body is adjacent to the necking mechanism, and the other end of the workpiece mounting cylinder body is sequentially connected with the piston assembly and the oil cylinder assembly; the piston assembly comprises a cylinder body, a piston rod, a piston body and a piston cover; the piston cover is arranged on the side edge of the cylinder body and forms a sealed movable space with the cylinder body, and the piston body is arranged on the piston rod and limited in the movable space; the cylinder body and the piston cover are provided with third perforations corresponding to each other in position, and one end of the piston rod penetrates through the third perforations on the cylinder body, extends to the position of the cylinder body base frame and is fixedly connected with the transition connecting plate assembly of the cylinder body base frame; the other end of the piston rod is positioned at a third perforation of the piston cover; the inner part of the cylinder body and the inner part of the piston cover are respectively provided with a diversion trench, the diversion trench is divided into a first diversion trench, a second diversion trench and a third diversion trench, the first diversion trench is communicated with the movable space on one side of the piston body, the second diversion trench is arranged on the piston cover and is communicated with the outer side surface and the inner side surface of the piston cover, and the first diversion trench is communicated with the second diversion trench; the third diversion trench is arranged on the piston cover, conducts the outer side surface and the inner side surface of the piston cover and is communicated with the movable space at the other side of the piston body; the oil cylinder assembly comprises a rotating shaft and a rotating oil cylinder; the rotary shaft is connected with the piston cover in a matching way, and the rotary oil cylinder sleeve is arranged outside the rotary shaft and is connected with the rotary oil cylinder sleeve by a bearing; a fourth diversion trench and a fifth diversion trench are arranged on the rotating shaft, the fourth diversion trench is communicated with the second diversion trench, and the fifth diversion trench is communicated with the third diversion trench; the rotary oil cylinder is provided with two oil inlets, namely a first oil inlet and a second oil inlet; the first oil inlet is communicated with the fourth diversion trench, and the second oil inlet is communicated with the fifth diversion trench.
2. The seamless gas cylinder closing-in machine according to claim 1, wherein the movable base comprises a first bottom plate, a transverse sliding rail, a transverse sliding block, a second bottom plate, a longitudinal sliding rail, a longitudinal sliding block and a third bottom plate from bottom to top; the first bottom plate is fixedly connected with the base plate, the transverse sliding rail is fixedly arranged on the first bottom plate, the lower surface of the second bottom plate is provided with a transverse sliding block, and the transverse sliding rail is matched with the transverse sliding block; the upper surface of the second bottom plate is fixedly provided with a longitudinal sliding rail, the lower surface of the third bottom plate is provided with a longitudinal sliding block, and the longitudinal sliding rail is matched with the longitudinal sliding block; a transverse oil cylinder is further arranged on the first bottom plate, and a push rod of the transverse oil cylinder is connected with the second bottom plate; the side of the second bottom plate is provided with a mounting bracket in an extending mode, a longitudinal oil cylinder is mounted on the mounting bracket, and a push rod of the longitudinal oil cylinder is connected with the third bottom plate.
3. The seamless gas cylinder closing-in machine according to claim 2, wherein the shaping wheel mechanism and the turnover mechanism are fixedly installed on the third bottom plate, and are respectively installed at two ends of the third bottom plate and located at two sides of the workpiece installation mechanism.
4. The seamless gas cylinder closing-in machine according to claim 1, wherein the support base comprises a first upright post and a second upright post; the first upright post and the second upright post are respectively provided with a second perforation corresponding to each other in position, a bearing is arranged at the second perforation, and the workpiece mounting cylinder body penetrates through the bearing and is supported on the supporting seat; the workpiece mounting cylinder body comprises a cylinder body base frame, a cylinder body sheath and an adjusting shield; the cylinder body base frame is of a cylinder body structure with two through ends, one end of the cylinder body base frame is an insertion port, and the other end of the cylinder body base frame is sealed by a transition connecting plate assembly; the cylinder body sheath is divided into a first sheath and a second sheath, the first sheath and the second sheath are sleeved on the outer side of the cylinder body base frame, and the first sheath and the second sheath are connected by a first connecting key; the length of the first sheath, the second sheath and the first connecting key after being spliced is greater than that of the box body; the bearings are sleeved outside the first sheath and the second sheath respectively; the adjusting shield is arranged at one end of the workpiece mounting cylinder body adjacent to the closing-in processing mechanism, and a key slot is arranged on the side wall of the part of the second shield exposed outside the box body; the interior of the adjusting shield is a containing movable space; the two ends of the adjusting shield are communicated with each other, the adjusting shield comprises a front port and a rear port, and the front port, the accommodating movable space and the barrel base frame are communicated with each other; the rear port is sleeved on the outer ring of the first shield, and the rear port and the first shield are welded and fixed.
5. The seamless gas cylinder necking machine according to claim 4, wherein the bearings mounted on the first upright are two deep groove ball bearings, the bearings mounted on the second upright are two tapered roller bearings, a spacer is arranged between the two deep groove ball bearings, a spacer is also arranged between the two tapered roller bearings, and the outer diameter of the spacer is lower than the center line between the outer ring and the inner ring of the bearing.
6. The seamless gas cylinder closing-in machine according to claim 4, wherein one end of the cylinder body base frame is fixedly connected with a push-pull sleeve, and at least 5 openings are uniformly distributed on the side wall of the push-pull sleeve; the opening is provided with a claw, and the push-pull sleeve and the claw are both positioned in the accommodating movable space of the adjusting shield.
7. The seamless gas cylinder necking machine according to claim 6, wherein the adjusting shield is internally provided with a space similar to a cone, an opening with larger space is close to the cylinder body base frame, and an opening with smaller space is close to the necking machining mechanism; the outer side wall of the claw is an arc-shaped curved surface, the inclination degree of the arc-shaped curved surface is consistent with the inclination procedure of the inner wall of the adjusting shield, and the arc-shaped curved surface of the claw is consistent with the curvature of the inner side wall of the space similar to the cone; the inner wall of each claw is provided with a groove and floating points, the grooves of the claws are looped into a circle to form an annular groove, the annular groove is provided with a wire pulling ring, and the floating points are uniformly distributed in the transverse direction and the longitudinal direction of the inner wall of the claw.
8. The seamless gas cylinder closing-in machine according to claim 4, wherein the outer ring of the second sheath is sleeved with a belt pulley, the belt pulley is connected with the second sheath by a second connecting key, and the second connecting key is arranged in the key groove; the belt pulley is connected with the motor by a belt; one end of the cylinder body base frame provided with the belt pulley is in threaded connection with a limit nut, and the limit nut is adjacent to the belt pulley; the piston assembly is connected with the limit nut by a screw.
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| CN201910733353.5A CN110355270B (en) | 2019-08-09 | 2019-08-09 | Seamless gas cylinder necking-in machine |
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| CN201910733353.5A CN110355270B (en) | 2019-08-09 | 2019-08-09 | Seamless gas cylinder necking-in machine |
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| CN110355270B true CN110355270B (en) | 2024-05-28 |
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| CN114289613A (en) * | 2021-12-25 | 2022-04-08 | 河南三元光电科技有限公司 | Automatic bilateral throat processing equipment |
| CN114733964A (en) * | 2022-03-04 | 2022-07-12 | 山东永安合力特种装备有限公司 | Positioning device for steel cylinder production bottom folding |
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| CN102688925A (en) * | 2012-06-04 | 2012-09-26 | 扬州诚德钢管有限公司 | Spinning necking-in machine for high-pressure seamless large-caliber steel cylinder |
| CN203679088U (en) * | 2013-12-31 | 2014-07-02 | 浙江金盾消防器材有限公司 | Roller device for steel seamless cylinder necking-in machine |
| CN105728576A (en) * | 2016-02-29 | 2016-07-06 | 扬州诚德钢管有限公司 | Double-rotation wheel hot spinning necking method for large-diameter seamless gas cylinder |
| CN210450547U (en) * | 2019-08-09 | 2020-05-05 | 浙江威能消防器材股份有限公司 | Seamless gas cylinder necking machine |
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| EP0389078A2 (en) * | 1989-03-23 | 1990-09-26 | MANNESMANN Aktiengesellschaft | Method of making pressurised-gas bottles |
| CN1775408A (en) * | 2005-12-09 | 2006-05-24 | 新兴铸管股份有限公司 | Special closing-in machine for high-pressure seamless gas cylinder |
| CN1788878A (en) * | 2005-12-16 | 2006-06-21 | 华南理工大学 | Multiple procedure integrated spinforming machine tool |
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| CN203679088U (en) * | 2013-12-31 | 2014-07-02 | 浙江金盾消防器材有限公司 | Roller device for steel seamless cylinder necking-in machine |
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