An automatic vertical spinning machine and spinning production line

Abstract

The present invention discloses an automated vertical spinning machine and a spinning production line, comprising a spindle mechanism and a spinning mechanism located below the spindle mechanism. The spindle mechanism comprises a spindle and a chuck device driven to rotate by the spindle, the chuck device can form a circumferential clamp on the outer peripheral surface of the cylinder, and position the central axis of the cylinder at a position coincident with the central rotation axis of the spindle, so as to drive the cylinder to rotate under the drive of the spindle, thereby improving the stability of the rotation drive of the cylinder. The spinning mechanism is provided with a rotatable spinning wheel, and a high-pressure slag cleaning air pipe for blowing toward the inner cavity of the cylinder is provided in the spindle to achieve cleaning of the cylinder. The spindle mechanism can be lifted and moved to have an original station and a processing station lower than the original station. When the spindle mechanism is located at the processing station, the cylinder is driven to rotate and move to the spinning wheel, so that the spinning wheel squeezes the mouth of the lower end of the cylinder, so that the mouth of the cylinder is closed inward to form a closed mouth, thereby improving the spinning efficiency and spinning quality of the cylinder.

Description

Technical Field

[0001] The invention belongs to the technical field of barrel spinning, and in particular relates to an automatic vertical spinning machine and a spinning production line. Background Art

[0002] The accumulator is an important part of the compressor, which plays the role of storage, gas-liquid separation, filtration, silencing and refrigerant buffering. It is composed of a cylinder, an air inlet pipe, an air outlet pipe, a filter screen and other parts. Its working principle is as follows: The accumulator is installed on the air conditioner evaporator and the compressor suction pipe. It is a protective component to prevent liquid refrigerant from flowing into the compressor and causing liquid hammer. When the accumulator is in use, in order to prevent impurities in the pipeline from directly entering the compressor, a filter screen will be installed between the accumulator inlet pipe and the air outlet pipe to prevent the possibility of impurities entering the compressor.

[0003] The cylinder of the liquid reservoir is a hollow columnar structure before processing, with the end faces of both ends being open. The side wall of the cylinder needs to be processed into a spinning closing structure through a spinning process. In the prior art, horizontal spinning equipment is often used for spinning processing of the cylinder of the liquid reservoir. For example, the existing patent (publication number: CN106140921B) discloses an automatic spinning rib equipment for the liquid reservoir. However, the existing spinning equipment for the cylinder of the liquid reservoir has the following problems:

[0004] 1. The horizontal spinning machine occupies a large area, has low space utilization, and has low spinning efficiency for cylindrical workpieces;

[0005] 2. When clamping the cylinder of the liquid storage device, two clamping plates are often used to clamp the cylinder oppositely or a conical extrusion piece is used to squeeze and clamp the cylinder. The contact area between the clamp and the cylinder is small, and the clamping stability is poor;

[0006] 3. When spinning the cylinder of the liquid storage device, metal debris will be generated in the cylinder, which requires professional cleaning equipment or manual cleaning of the cylinder after spinning.

[0007] 4. The cylinder will generate heat and produce a slight deformation during the spinning process. Affected by gravity, when the horizontal spinning machine spins the horizontal cylinder, the cylinder has a vertical downward offset, resulting in low processing accuracy of the horizontal spinning machine for the cylinder. Summary of the invention

[0008] In view of the above-mentioned deficiencies, the present invention provides an automated vertical spinning machine and a spinning production line. The vertical spinning machine adopts a chuck device to circumferentially clamp the liquid storage cylinder, thereby improving the stability of the spindle mechanism driving the cylinder to rotate; a high-pressure slag cleaning air pipe is installed in the spindle to clean up metal debris and other impurities generated by the spinning operation in the cylinder, thereby improving the processing efficiency of the cylinder; the spindle of the vertical spinning machine drives the cylinder to rotate around its own vertical axis, so that the spinning mechanism spins the cylinder in a vertical state, and the spinning accuracy of the cylinder is higher than that of a horizontal spinning machine; the vertical spinning machine saves floor space compared to a horizontal spinning machine, and two vertical spinning machines can be set on the production line to work simultaneously and share a material unloading conveyor line, thereby improving the processing efficiency of the cylinder workpiece and saving the investment cost of the spinning production line.

[0009] The present invention is achieved through the following technical solutions:

[0010] An automated vertical spinning machine includes a spindle mechanism and a spinning mechanism located below the spindle mechanism. The spindle mechanism includes a spindle and a chuck device driven to rotate by the spindle, the central rotation axis of the spindle extends in the vertical direction, the chuck device can form a circumferential clamp on the outer peripheral surface of the cylinder, and position the central axis of the cylinder at a position that coincides with the central rotation axis of the spindle, so that the cylinder is driven to rotate around the central rotation axis of the spindle under the drive of the spindle, thereby improving the stability of the rotation drive of the cylinder. The spinning mechanism is provided with a rotatable spinning wheel, the central rotation axis of the spinning wheel extends in the vertical direction, and a high-pressure slag cleaning air pipe for blowing toward the inner cavity of the cylinder is provided in the spindle to achieve cleaning of the inside of the liquid storage cylinder. The spindle mechanism can be raised and lowered to have an original position and a processing position below the original position. When the spindle mechanism is located at the processing position, it drives the cylinder to rotate and move to the spinning wheel, so that the spinning wheel squeezes the mouth of the lower end of the cylinder, so that the mouth of the cylinder is closed inward to form a closed mouth, thereby improving the spinning efficiency and spinning quality of the cylinder.

[0011] Furthermore, the spindle mechanism also includes a rotary oil cylinder installed above the spindle and a synchronous motor driving the spindle to rotate. A pull rod connecting the chuck device and the rotary oil cylinder is installed inside the spindle. A spindle-shaped cylindrical space for accommodating a clamping disk is provided in the chuck device. The outer wall of the clamping disk is in a spindle-shaped cylindrical shape and can slide in the vertical direction relative to the spindle-shaped cylindrical space to change the size of the inner cavity of the clamping disk. The rotary oil cylinder pushes the clamping disk vertically downward through the pull rod to switch the clamping disk from a relaxed state to a clamped state, thereby achieving circumferential clamping of the cylinder body, which is easy to operate.

[0012] Furthermore, the clamping disc includes a plurality of clamping tires evenly distributed along the circumferential direction of the spindle-shaped cylindrical space. When the clamping disc is in a clamping state, the clamping tires abut against each other and enclose a cylindrical clamping space, and the diameter of the cylindrical clamping space is consistent with the outer diameter of the cylinder; when the clamping disc is in a relaxed state, there is a sliding space between adjacent clamping tires. By adjusting the relative position of the clamping disc relative to the shell of the chuck device, the clamping disc can switch between the clamping state and the relaxed state under the squeezing action of the inner wall of the spindle-shaped cylindrical space inside the shell. When the clamping disc is in a clamping state, the inner wall of the clamping disc forms a cylindrical clamping space that cooperates with the cylinder to achieve circumferential clamping of the reservoir cylinder and improve the clamping stability of the cylinder.

[0013] Furthermore, a return spring is installed between each clamping tire and the housing of the clamping head device. The return spring has a force to drive the clamping tire vertically upward. When the pull rod is not in contact with the clamping disc, the clamping disc is in a relaxed state, and the outer diameter of the clamping disc is at its maximum. The return spring is provided to provide power support for the clamping tire to move vertically upward to change from a clamping state to a relaxed state.

[0014] Furthermore, an inverted pressing cylinder is fixedly installed at the bottom of the pull rod, and by installing the inverted pressing cylinder at the bottom of the pull rod, the clamping disc can be pressed downward. An arc-shaped pressing surface that matches the clamping disc is formed on the inner side of the pressing cylinder, which increases the contact area between the pressing cylinder and the clamping disc, and the pressing cylinder can apply a vertical downward and inward pressing force to the clamping disc, which facilitates the clamping disc to change from a relaxed state to a clamped state.

[0015] Furthermore, a vertically arranged limit groove is opened above the pressing cylinder, and a limit column extending into the limit groove and cooperating with the limit groove protrudes from the inner side of the shell. The limit column can limit the rotation of the pressing cylinder relative to the shell, and the pressing cylinder can slide in the vertical direction relative to the shell. A plurality of limit grooves are provided along the circumferential direction of the pressing cylinder, and the number of the limit grooves is consistent with the number of the limit columns. The circumferential position of the pressing cylinder is fixed by the shell of the chuck device, so that the pressing cylinder can only move in the vertical direction relative to the shell, thereby making it difficult for the clamping disk abutting against the pressing cylinder to slip relative to the pressing cylinder.

[0016] Furthermore, the spinning mechanism also includes a slide and a cutting tool, and the cutting tool is provided to perform end surface turning on the closing of the cylinder body after spinning, so as to further improve the spinning quality of the cylinder body. The slide is L-shaped and vertically arranged so that the slide has a first step and a second step located above the first step, and the spinning wheel is installed on the first step. A knife groove for accommodating the cutting tool is provided on the top of the second step, so as to facilitate the disassembly and assembly of the cutting tool. The cutting tool is horizontally installed on the knife groove to improve the pressure resistance of the cutting tool when cutting the closing of the cylinder body. The knife groove is located above the spinning wheel to avoid interference between the cutting tool and the spinning wheel. The slide can be moved horizontally to have an initial station, a spinning station and a cutting station. When the slide is located at the spinning station, the spinning wheel squeezes the cylinder body so that the mouth of the cylinder body is closed inward to form a closing; when the slide is located at the cutting station, the cutting tool performs end surface turning on the closing of the cylinder body, so as to improve the spinning processing quality of the cylinder body.

[0017] Furthermore, the spinning wheel includes a wheel axle, a wheel body hinged to the wheel axle, and a fastener matched with the wheel axle. A disassembly and assembly area for accommodating the fastener is provided at the corner of the first step close to the main axis. The first step also has a mounting hole for accommodating the wheel axle. The fastener can lock and fix the wheel axle passing through the mounting hole in the disassembly and assembly area, which is convenient for disassembly and assembly of the spinning wheel. The central axis of the mounting hole is located on the central cross section of the slide seat. The wheel body and the top surface of the first step are matched in clearance. The height of the mounting hole is greater than the thickness of the wheel body, which ensures that the wheel body can withstand sufficient pressure and improves the stability of the wheel body fixed on the slide seat.

[0018] Furthermore, the wheel body is made of Cr12MoV, and the hardness of the wheel body is 255HB to 207HB. Cr12MoV (alloy tool steel) is suitable for cold working die steel, and the hardenability, hardness after quenching and tempering, wear resistance, and strength of the steel are all higher than those of Cr12. When the wheel body extrude the cylinder, the wheel body has higher hardness and strength than the cylinder. The use of a Cr12MoV wheel body can make the wheel body have a longer service life.

[0019] A spinning production line includes two vertical spinning machines arranged in parallel, a feeding conveyor line corresponding to the two vertical spinning machines respectively, and a feeding conveyor line used in common for the two vertical spinning machines. On the existing horizontal spinning production line, the vertical spinning machine is used to replace the horizontal spinning machine, and a feeding conveyor line is added. Under the condition that the floor space of the entire spinning production line remains basically unchanged, the efficiency of the spinning production line for barrel spinning operations is greatly improved.

[0020] Beneficial effects of the present invention:

[0021] 1. The vertical spinning machine uses a chuck device to clamp the cylinder of the liquid reservoir circumferentially, which improves the stability of the spindle mechanism driving the cylinder to rotate;

[0022] 2. Install a high-pressure slag removal air pipe in the main shaft to clean the metal debris and other impurities generated by the spinning operation in the cylinder, thereby improving the processing efficiency of the cylinder;

[0023] 3. The main shaft of the vertical spinning machine drives the cylinder to rotate around its own vertical axis, so that the spinning mechanism can spin the cylinder in a vertical state. Compared with the horizontal spinning machine, the spinning accuracy of the cylinder is higher;

[0024] 4. The vertical spinning machine saves floor space compared to the horizontal spinning machine. Two vertical spinning machines can be set up on the production line to work simultaneously and share a feeding conveyor line, which improves the processing efficiency of the cylinder workpiece and saves the investment cost of the spinning production line. Compared with the existing horizontal spinning production line, the floor space of this vertical spinning production line remains basically unchanged, and the spinning efficiency of the cylinder has been doubled. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A structural schematic diagram for illustrating a schematic implementation of a spinning production line in the present invention;

[0026] Figure 2 A structural schematic diagram for illustrating another exemplary embodiment of a spinning production line in the present invention;

[0027] Figure 3 To illustrate Figure 2 A partial enlarged schematic diagram in the middle;

[0028] Figure 4 A top view for illustrating another exemplary embodiment of a spinning production line of the present invention;

[0029] Figure 5 A structural schematic diagram for illustrating a schematic implementation of a spindle mechanism of an automated vertical spinning machine in the present invention;

[0030] Figure 6 A structural schematic diagram for illustrating a schematic implementation of a spinning mechanism of an automated vertical spinning machine in the present invention;

[0031] Figure 7 A cross-sectional view for illustrating a schematic embodiment of a spindle mechanism of an automated vertical spinning machine in the present invention;

[0032] Figure 8 To illustrate Figure 7 A partial enlarged schematic diagram of point B in the middle;

[0033] Fig. 9 A structural schematic diagram of a schematic embodiment for illustrating a cutaway state of a main shaft mechanism of an automated vertical spinning machine in the present invention;

[0034] Fig.10 To illustrate Fig. 9 A partial enlarged schematic diagram of point C in the middle;

[0035] Fig.11 A connection diagram for illustrating a schematic embodiment of a chuck device of an automated vertical spinning machine in the present invention;

[0036] Fig.12 A structural schematic diagram for illustrating a schematic implementation of a chuck device of an automated vertical spinning machine in a cut-away state in the present invention.

[0037] List of parts and reference numerals:

[0038] 1. Spindle mechanism; 11. Spindle; 12. Chuck device; 121. Spindle-shaped cylindrical space; 122. Shell; 123. Limit column; 13. High-pressure slag cleaning air pipe; 14. Rotary cylinder; 15. Synchronous motor; 16. Pull rod; 161. Press cylinder; 162. Arc extrusion surface; 163. Limit groove; 17. Clamping plate; 171. Clamping tire; 172. Reset spring; 2. Spinning mechanism; 21. Spinning wheel; 211. Wheel axle; 212. Wheel body; 213. Fastener; 22. Slide; 221. First step; 2211. Disassembly and assembly area; 222. Second step; 2221. Knife groove; 23. Cutting tool; 3. Loading conveyor line; 4. Unloading conveyor line; 5. Vertical spinning machine. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] It should be noted that the directional terms such as left, right, up, down, front and back in the embodiments of the present invention are merely relative concepts or are based on the normal use state of the product, that is, the direction of movement of the product, and should not be considered as limiting.

[0041] In addition, it should be noted that the dynamic terms such as "relative motion" mentioned in the embodiments of the present invention refer not only to changes in position, but also to movements such as rotation and rolling in which there is no relative change in position but a change in state.

[0042] Finally, it should be noted that when a component is referred to as being "located" or "set on" another component, it can be on the other component or there can be an intermediate component at the same time. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or there can be an intermediate component at the same time.

[0043] like Figures 1 to 12 An automated vertical spinning machine is shown, comprising a spindle mechanism 1 and a spinning mechanism 2 located below the spindle mechanism 1. The spindle mechanism 1 comprises a spindle 11 and a chuck device 12 driven to rotate by the spindle 11, the central rotation axis of the spindle 11 extending in the vertical direction, the chuck device 12 can form a circumferential clamp on the outer peripheral surface of the cylinder, and position the central axis of the cylinder at a position coincident with the central rotation axis of the spindle 11, so as to drive the cylinder to rotate around the central rotation axis of the spindle 11 under the drive of the spindle 11, thereby improving the stability of the rotation drive of the cylinder. The spinning mechanism 2 is provided with a rotatable spinning wheel 21, the central rotation axis of the spinning wheel 21 extending in the vertical direction, and a high-pressure slag cleaning air pipe 13 for blowing toward the inner cavity of the cylinder is provided in the spindle 11 to achieve cleaning of the inside of the liquid storage cylinder. The spindle mechanism 1 can be raised and lowered to have an original position and a processing position lower than the original position. When the spindle mechanism 1 is located at the processing position, it drives the cylinder to rotate and move to the spinning wheel 21, so that the spinning wheel 21 squeezes the mouth of the lower end of the cylinder 161, so that the mouth of the cylinder is closed inward to form a closed mouth, thereby improving the spinning efficiency and spinning quality of the cylinder.

[0044] In one embodiment, after the feeding conveyor line 3 delivers the cylinder in a vertical state to the bottom of the spindle 11, the spindle mechanism 1 moves downward to move the chuck device 12 under the spindle 11 toward the cylinder until the cylinder extends into the inside of the chuck device 12. The rotary cylinder 14 of the spindle mechanism 1 drives the chuck device 12 to clamp the vertically arranged cylinder circumferentially to clamp and fix the cylinder to the spindle 11, the spindle mechanism 1 drives the cylinder to move upward, and then the feeding conveyor line 3 moves out of the vertical spinning machine 5. The synchronous motor 15 drives the spindle 11 to rotate so that the cylinder clamped under the spindle 11 rotates around its own vertical axis. Then the spinning mechanism 2 moves horizontally to the position below the spindle mechanism 1 so that the side wall of the wheel body 212 of the spinning wheel 21 and the side wall of the cylinder have an overlapping area in the vertical direction. The spindle mechanism 1 drives the clamped cylinder to move vertically downward so that the cylinder presses the spinning wheel 21 downward. After the spinning wheel 21 abuts against the cylinder, it rotates synchronously with the cylinder to reduce the heat generated by the mutual friction between the spinning wheel 21 and the cylinder. The spinning wheel 21 squeezes the cylinder 161 so that the outer wall of the cylinder is retracted inward. After spinning to the first set height of the cylinder, the spindle mechanism 1 drives the cylinder to retreat upward to the initial position, and the spinning mechanism 2 drives the spinning wheel 21 to move the first set distance in the horizontal position toward the cylinder. The spindle mechanism 1 drives the cylinder downward again, and the spinning wheel 21 performs a second spinning on the cylinder wall that was spun for the first time below the cylinder. After spinning to the second set height of the cylinder, the spindle mechanism 1 drives the cylinder to retreat upward to the initial position and wait for the third spinning. The above operation is repeated until the closure formed by spinning at the bottom of the cylinder reaches the set standard. It should be noted that the distance of the first set height is greater than the distance of the second set height, that is, the spinning height of the cylinder by the spinning wheel 21 is gradually reduced each time, so that the mouth at the bottom of the cylinder forms a closure.

[0045] In one embodiment, since the main shaft 11 is often slender, the vertical spinning machine 5 occupies a smaller area than the horizontal spinning machine. Usually, the area occupied by a horizontal spinning machine is about twice the area occupied by a vertical spinning machine 5.

[0046] In one embodiment, at the microscopic level, the cylinder is made of metal, and the fluidity of the metal increases with the increase of temperature. The increase in temperature causes the internal energy of the metal to increase, and the atoms or atomic groups are rearranged in the form of vibration, defects, extrusion, etc., and the strength is reduced, thereby increasing the plastic deformation of the metal. When the spinning wheel 21 performs spinning operation on the cylinder, the temperature of the cylinder increases, the activity of the metal molecules in the cylinder increases, and under the action of gravity, the cylinder will undergo a certain deformation vertically downward. When a horizontal spinning machine is used to perform spinning operation on the cylinder, the deformation direction of the cylinder in a horizontal state under the action of the spinning wheel 21 will be biased towards vertical downward, thereby affecting the spinning accuracy of the cylinder. When a vertical spinning machine 5 is used to perform spinning operation on the cylinder, the deformation of the cylinder is also in the vertical downward direction, which helps to reduce the deformation of the cylinder to the side of the cylinder, and the closing of the cylinder by the spinning wheel 21 itself will cause a certain vertical downward deformation of the closing, therefore, the vertical spinning operation of the cylinder can improve the spinning accuracy of the cylinder.

[0047] In one embodiment, after the spinning mechanism 2 completes the spinning and closing of the cylinder, a certain amount of metal debris will be generated inside the cylinder due to the deformation of the cylinder during spinning. As mentioned in the background technology, the liquid reservoir requires the cylinder to have a certain degree of cleanliness. In the prior art, the liquid reservoir is often manually wiped and cleaned, or the liquid reservoir is blown and cleaned with an air gun or the like. The vertical spinning machine 5 installs a high-pressure slag cleaning air pipe 13 inside the main shaft 11 to blow and clean the cylinder after spinning, so that metal impurities attached to the inner wall of the cylinder can be blown away to the outside through the closing at the bottom of the cylinder of the liquid reservoir. It should be noted that after the cylinder is closed, the mouth at the bottom of the cylinder is in a closed posture, but it is still an open structure. If the high-pressure slag cleaning air pipe 13 is installed in the main shaft 11 of the horizontal spinning machine, since the end of the cylinder away from the main shaft 11 is a closed structure, when the high-pressure slag cleaning air pipe 13 blows high-pressure gas toward the opening at the closed end of the cylinder, the metal impurities in the cylinder will be disturbed at the closed end of the cylinder, that is, the metal impurities will fall to the inner wall of the cylinder again under the action of their own gravity, resulting in insufficient cleaning of the cylinder. It should be noted that when using a vertical spinning machine 5, since the cylinder is in a vertical state, after the high-pressure slag cleaning air pipe 13 blows away the metal impurities attached to the inner wall of the cylinder, the metal impurities will flow out to the outside from the opening of the closed end of the cylinder under the action of their own gravity.

[0048] It should be noted that the main shaft mechanism 1 is fixed to a push rod of a vertically arranged hydraulic push cylinder. The hydraulic push cylinder is an existing device that can drive the entire main shaft mechanism 1 to move in a vertical direction.

[0049] Preferably, the spindle mechanism 1 further comprises a rotary cylinder 14 mounted above the spindle 11 and a synchronous motor 15 driving the spindle 11 to rotate. A pull rod 16 connecting the chuck device 12 and the rotary cylinder 14 is mounted inside the spindle 11. A spindle-shaped cylindrical space 121 for accommodating a clamping disc 17 is provided inside the chuck device 12. The outer wall of the clamping disc 17 is in a spindle-shaped cylindrical shape and can slide in the vertical direction relative to the spindle-shaped cylindrical space 121 to change the size of the inner cavity of the clamping disc 17. The rotary cylinder 14 pushes the clamping disc 17 vertically downward through the pull rod 16 to switch the clamping disc 17 from a relaxed state to a clamped state, thereby achieving circumferential clamping of the cylinder body, and the operation is convenient.

[0050] In one embodiment, the rotary cylinder 14 can rotate with the main shaft 11, and can push the pull rod 16 located in the main shaft 11 to move relative to the main shaft 11 in the vertical direction. The chuck device 12 is fixed to the main shaft 11, and the synchronous motor 15 is used to drive the main shaft 11 to rotate to drive the chuck device 12 to rotate. The rotary cylinder 14 pushes the clamping disc 17 located in the spindle-shaped cylindrical space 121 in the chuck device 12 to move in the vertical direction through the pull rod 16. Since the outer wall of the clamping disc 17 is also in the shape of a spindle-shaped cylinder, and the outer wall of the clamping disc 17 abuts against the inner wall of the housing 122 of the chuck device 12, when the clamping disc 17 moves vertically downward under the action of the pull rod 16, the housing 122 of the chuck device 12 has a tendency to squeeze and retract the clamping disc 17, so that the clamping disc 17 is tightened from a relaxed state to a clamped state, thereby achieving stable clamping of the cylinder.

[0051] Preferably, the clamping disc 17 includes a plurality of clamping tires 171 uniformly distributed along the circumferential direction of the spindle-shaped cylindrical space 121. When the clamping disc 17 is in a clamping state, each clamping tire 171 abuts against each other and surrounds a cylindrical clamping space, and the diameter of the cylindrical clamping space is consistent with the outer diameter of the cylinder; when the clamping disc 17 is in a relaxed state, there is a sliding space between adjacent clamping tires 171. By adjusting the relative position of the clamping disc 17 relative to the shell 122 of the chuck device 12, the clamping disc 17 can be switched between the clamping state and the relaxed state under the extrusion of the inner wall of the spindle-shaped cylindrical space 121 inside the shell 122. When the clamping disc 17 is in a clamping state, the inner wall of the clamping disc 17 forms a cylindrical clamping space that cooperates with the cylinder to achieve circumferential clamping of the reservoir cylinder and improve the clamping stability of the cylinder.

[0052] In one embodiment, if Figures 7 to 12As shown, the clamping disc 17 includes a plurality of clamping ribs 171. When the clamping disc 17 clamps the cylinder, the clamping ribs 171 are brought close to each other to form a cylindrical clamping space between the clamping ribs 171, thereby achieving circumferential clamping of the cylinder. The inner circumferential surface formed inside the clamping ribs 171 is in full contact with the outer wall of the cylinder, so that a larger clamping area is provided between the clamping disc 17 and the cylinder, thereby improving the clamping stability of the clamping disc 17 on the cylinder.

[0053] Preferably, a return spring 172 is installed between each clamping tire 171 and the housing 122 of the clamping head device 12. The return spring 172 has a force to drive the clamping tire 171 vertically upward. When the pull rod 16 is not in contact with the clamping disc 17, the clamping disc 17 is in a relaxed state, and the outer diameter of the clamping disc 17 is the largest. The return spring 172 is provided to provide power support for the clamping tire 171 to move vertically upward to change from a clamping state to a relaxed state.

[0054] In one embodiment, when the spindle mechanism 1 needs to release the processed cylinder, the rotary cylinder 14 drives the pull rod 16 to move vertically upward relative to the spindle 11, so that the pull rod 16 releases the squeeze and fixation of the clamping plate 17. Each clamping tire 171 rebounds vertically upward under the action of the spring until the gravity of the clamping tire 171 and the vertical upward elastic force of the spring on the clamping tire 171 are balanced. At this time, the inner diameter of the clamping plate 17 is the largest, so that the new cylinder can be inserted into the clamping plate 17.

[0055] Preferably, an inverted pressing cylinder 161 is fixedly installed at the bottom of the pull rod 16, and the clamping disc 17 can be pressed downward by installing the inverted pressing cylinder 161 at the bottom of the pull rod 16. An arc-shaped pressing surface 162 that cooperates with the clamping disc 17 is formed on the inner side of the pressing cylinder 161, which increases the contact area between the pressing cylinder 161 and the clamping disc 17, and the pressing cylinder 161 can apply a vertical downward and inward pressing force to the clamping disc 17, so that the clamping disc 17 is converted from a relaxed state to a clamped state.

[0056] In one embodiment, a fixed inverted pressing cylinder 161 is installed at the bottom of the pull rod 16 to squeeze and push the clamping disc 17. An arc-shaped squeezing surface 162 is provided on the inner side of the pressing cylinder 161. When the pressing cylinder 161 moves downward, it has a vertical downward pushing force on the clamping disc 17, so that the clamping disc 17 can be retracted inward under the limit of the housing 122 of the clamping head device 12. The arc-shaped squeezing surface 162 also has an inward squeezing force on the clamping disc 17 to promote the retraction of the clamping disc 17 inward.

[0057] Preferably, a vertically arranged limit groove 163 is opened above the pressure cylinder 161, and a limit column 123 protrudes from the inner side of the shell 122 and extends into the limit groove 163 and cooperates with the limit groove 163. The limit column 123 can limit the rotation of the pressure cylinder 161 relative to the shell 122, and the pressure cylinder 161 can slide in the vertical direction relative to the shell 122. A plurality of limit grooves 163 are provided along the circumferential direction of the pressure cylinder 161, and the number of the limit grooves 163 is consistent with the number of the limit columns 123. The circumferential position of the pressure cylinder 161 is fixed by the shell 122 of the chuck device 12, so that the pressure cylinder 161 can only move in the vertical direction relative to the shell 122, thereby making it difficult for the clamping disk 17 abutting against the pressure cylinder 161 to slip relative to the pressure cylinder 161.

[0058] In one embodiment, a limiting column 123 is fixed in the housing 122 of the chuck device 12, and a limiting groove 163 cooperating with the limiting column 123 is provided on the inner side of the pressing cylinder 161, so that the pressing cylinder 161 can only slide in the vertical direction under the drive of the pressing rod, and prevents the pressing cylinder 161 from rotating relative to the chuck device 12. When the cylinder body rotates, the cylinder body reacts to the clamping disk 17. In order to further prevent the clamping disk 17 from sliding and deviating relative to the chuck device 12, the limiting column 123 limits the rotation of the pressing cylinder 161, so that the pressing cylinder 161 plays a role in limiting the rotation of the clamping disk 17 abutting against the pressing cylinder 161.

[0059] Preferably, the spinning mechanism 2 also includes a slide 22 and a cutting tool 23. The cutting tool 23 is provided to perform end surface turning on the closing of the cylinder body after spinning, so as to further improve the spinning quality of the cylinder body. The slide 22 is L-shaped and vertically arranged so that the slide 22 has a first step 221 and a second step 222 located above the first step 221. The spinning wheel 21 is mounted to the first step 221, and a knife groove 2221 for accommodating the cutting tool 23 is provided on the top of the second step 222, so as to facilitate the disassembly and assembly of the cutting tool 23. The cutting tool 23 is horizontally mounted to the knife groove 2221 to improve the pressure resistance of the cutting tool 23 when cutting the closing of the cylinder body. The knife groove 2221 is located above the spinning wheel 21 to avoid interference between the cutting tool 23 and the spinning wheel 21. The slide 22 can move horizontally to have an initial position, a spinning position and a cutting position. When the slide 22 is located at the spinning position, the spinning wheel 21 squeezes the cylinder 161 so that the mouth of the cylinder is closed inward to form a closed end; when the slide 22 is located at the cutting position, the cutting tool 23 turns the end surface of the closed end of the cylinder to improve the spinning processing quality of the cylinder.

[0060] In one embodiment, the slide 22 is mounted on an existing sliding device, and the sliding device can drive the slide 22 to slide in the horizontal direction. After the spinning wheel 21 completes the spinning of the cylinder, the slide 22 drives the cutting tool 23 to move toward the direction close to the cylinder, so that the cutting tool 23 can turn the end surface of the closing part of the cylinder, further improving the spinning quality of the cylinder. The cutting tool 23 is horizontally installed in the knife groove 2221, which is convenient for disassembly and assembly of the cutting tool 23, and the horizontally arranged cutting tool 23 can withstand the reverse force generated by the large cutting operation.

[0061] Preferably, the spinning wheel 21 includes an axle 211, a wheel body 212 hinged to the axle 211, and a fastener 213 matched with the axle 211. The first step 221 is provided with a disassembly and assembly area 2211 for accommodating the fastener 213 at the corner near the main shaft 11. The first step 221 is also provided with a mounting hole for accommodating the axle 211. The fastener 213 can lock and fix the axle 211 passing through the mounting hole in the disassembly and assembly area 2211, so as to facilitate the disassembly and assembly of the spinning wheel 21. The central axis of the mounting hole is located on the central cross section of the slide 22. The wheel body 212 and the top surface of the first step 221 are matched with each other in clearance. The height of the mounting hole is greater than the thickness of the wheel body 212, so as to ensure that the wheel body 212 can withstand sufficient pressure and improve the stability of the wheel body 212 fixed on the slide 22.

[0062] In one embodiment, when installing the rotating wheel, the wheel body 212 is installed on the wheel axle 211, and the wheel axle 211 is inserted into the installation hole, and the wheel axle 211 is fixed to the slide seat 22 by the fastener 213. The fastener 213 is located in the disassembly area 2211 of the first step 221, so as to facilitate the disassembly and assembly of the spinning wheel 21. The height of the installation hole is greater than the thickness of the wheel body 212. The greater the height distance of the installation hole, the stronger the limiting ability of the installation hole to the wheel axle 211, and the higher the stability of the wheel body 212 installed on the wheel axle 211.

[0063] In one embodiment, the axle 211 is provided with external threads, and the fastener 213 is a nut.

[0064] Preferably, the material of the wheel body 212 is Cr12MoV, and the hardness of the wheel body 212 is 255HB to 207HB. Cr12MoV (alloy tool steel) is suitable for cold working die steel, and the hardenability, hardness after quenching and tempering, wear resistance, and strength of the steel are all higher than those of Cr12. When the wheel body 212 extrude the cylinder 161, the wheel body 212 has higher hardness and strength than the cylinder. The use of the wheel body 212 of Cr12MoV can make the wheel body 212 have a longer service life.

[0065] In one embodiment, Cr12MoV is a high-carbon, high-chromium alloy tool steel that has high wear resistance after heat treatment, strong hardenability, and good dimensional stability. It is suitable for making high-precision, long-life cold working molds and has good toughness. The wheel body 212 is made of Cr12MoV, which has a good extrusion effect on the liquid storage cylinder, and the wheel body 212 is not easy to deform.

[0066] A spinning production line includes two vertical spinning machines 5 arranged in parallel, a feeding conveyor line 3 corresponding to the two vertical spinning machines 5, and a feeding conveyor line 4 commonly used for the two vertical spinning machines 5. On the existing horizontal spinning production line, the vertical spinning machine 5 is used to replace the horizontal spinning machine, and a feeding conveyor line 3 is added. Under the condition that the floor space of the entire spinning production line remains basically unchanged, the efficiency of the spinning production line for barrel spinning operations is greatly improved.

[0067] In one embodiment, the floor space of the vertical spinning machine 5 is about half of that of the horizontal spinning machine. When modifying the existing horizontal spinning machine production line, the horizontal spinning machine can be replaced by two vertical spinning machines 5, and a corresponding feeding conveyor line 3 can be added, so that the spinning efficiency of the spinning production line for the cylinder can be doubled without substantially changing the floor space of the spinning production line. The modification range of the original horizontal spinning machine production line is small, the modification cost is low, and it is suitable for most factory workshops.

[0068] When the above-mentioned automated vertical spinning machine and spinning production line are used, the vertical spinning machine 5 uses a chuck device 12 to clamp the liquid storage cylinder circumferentially, thereby improving the stability of the spindle mechanism 1 driving the cylinder to rotate; a high-pressure slag cleaning air pipe 13 is installed in the spindle 11 to clean up impurities such as metal debris generated by the spinning operation in the cylinder, thereby improving the processing efficiency of the cylinder; the spindle 11 of the vertical spinning machine 5 drives the cylinder to rotate around its own vertical axis, so that the spinning mechanism 2 spins the cylinder in a vertical state, and the spinning accuracy of the cylinder is higher than that of the horizontal spinning machine; the vertical spinning machine 5 saves floor space compared to the horizontal spinning machine, and two vertical spinning machines 5 can be set up on the production line to work simultaneously and share a unloading conveyor line 4, thereby improving the processing efficiency of the cylinder workpiece and saving the investment cost of the spinning production line.

[0069] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. An automated vertical spinning machine, characterized in that: It includes a spindle mechanism and a spinning mechanism located below the spindle mechanism; The spindle mechanism includes a spindle and a chuck device driven to rotate by the spindle, the central rotation axis of the spindle extends in the vertical direction, the chuck device can form a circumferential clamp on the outer peripheral surface of the cylinder, and position the central axis of the cylinder at a position that coincides with the central rotation axis of the spindle, so as to drive the cylinder to rotate around the central rotation axis of the spindle under the drive of the spindle; The spinning mechanism is provided with a rotatable spinning wheel, the central rotation axis of the spinning wheel extends in the vertical direction, and a high-pressure slag cleaning air pipe for blowing air toward the inner cavity of the cylinder is provided in the main shaft; The spindle mechanism can be lifted and moved to have an original position and a processing position lower than the original position. When the spindle mechanism is located at the processing position, the spindle mechanism drives the cylinder to rotate and move to the spinning wheel, so that the spinning wheel squeezes the mouth of the lower end of the cylinder, so that the mouth of the cylinder is closed inwardly to form a closed mouth. The spindle mechanism also includes a rotary oil cylinder installed above the spindle and a synchronous motor driving the spindle to rotate. A pull rod connecting the chuck device and the rotary oil cylinder is installed inside the spindle. A spindle-shaped cylindrical space for accommodating a clamping disc is opened in the chuck device. The outer wall of the clamping disc is in the shape of a spindle-shaped cylinder and can slide in the vertical direction relative to the spindle-shaped cylindrical space to change the size of the inner cavity of the clamping disc. The rotary oil cylinder pushes the clamping disc vertically downward through the pull rod to switch the clamping disc from a relaxed state to a clamped state. The clamping disc comprises a plurality of clamping tyres evenly distributed along the circumferential direction of the spindle-shaped cylindrical space. When the clamping disc is in a clamping state, the clamping tyres abut against each other and surround a cylindrical clamping space, and the diameter of the cylindrical clamping space is consistent with the outer diameter of the cylinder. When the clamping disc is in a relaxed state, there is a sliding space between adjacent clamping tyres. A return spring is installed between each of the clamping tires and the housing of the clamping head device, and the return spring has a force to drive the clamping tire vertically upward. When the pull rod is not in contact with the clamping disc, the clamping disc is in a relaxed state, and the outer diameter of the clamping disc is at its largest. The spinning mechanism also includes a slide and a cutting tool; The slide is L-shaped and vertically arranged so that the slide has a first step and a second step located above the first step, the spinning wheel is mounted on the first step, a knife groove for accommodating the cutting tool is opened on the top of the second step, the cutting tool is horizontally mounted on the knife groove, and the knife groove is located above the spinning wheel; The slide can be moved horizontally to have an initial station, a spinning station and a cutting station. When the slide is located at the spinning station, the spinning wheel squeezes the cylinder so that the mouth of the cylinder is closed inward to form a closed end. When the slide is located at the cutting station, the cutting tool performs end surface turning on the closed end of the cylinder. The spinning wheel comprises a wheel axle, a wheel body hinged to the wheel axle, and a fastener matched with the wheel axle, the first step is provided with a disassembly and assembly area for accommodating the fastener at a corner close to the main shaft, the first step is also provided with a mounting hole for accommodating the wheel axle, and the fastener can lock and fix the wheel axle passing through the mounting hole in the disassembly and assembly area; The central axis of the mounting hole is located on the central cross section of the slide seat, the wheel body and the top surface of the first step are clearance-matched, and the height of the mounting hole is greater than the thickness of the wheel body.

2. The automatic vertical spinning machine according to claim 1, characterized in that: An inverted pressing cylinder is fixedly mounted on the bottom of the pull rod, and an arc-shaped extrusion surface cooperating with the clamping disc is formed on the inner side of the pressing cylinder.

3. An automated vertical spinning machine according to claim 2, characterized in that: A vertically arranged limit groove is provided above the pressure cylinder, and a limit column protrudes from the inner side of the shell and extends into the limit groove and cooperates with the limit groove. The limit column can limit the rotation of the pressure cylinder relative to the shell, and the pressure cylinder can slide in the vertical direction relative to the shell. A plurality of limit grooves are provided along the circumferential direction of the pressure cylinder, and the number of the limit grooves is consistent with the number of the limit columns.

4. The automatic vertical spinning machine according to claim 1, characterized in that: The wheel body is made of Cr12MoV, and the hardness of the wheel body is 255HB to 207HB.

5. A spinning production line, characterized in that: It comprises two vertical spinning machines as described in any one of claims 1 to 4 arranged in parallel, loading conveyor lines corresponding to the two vertical spinning machines respectively, and a unloading conveyor line commonly used for the two vertical spinning machines.

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