CN113351724A - Double-wheel spinning machine - Google Patents
Double-wheel spinning machine Download PDFInfo
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- CN113351724A CN113351724A CN202110762642.5A CN202110762642A CN113351724A CN 113351724 A CN113351724 A CN 113351724A CN 202110762642 A CN202110762642 A CN 202110762642A CN 113351724 A CN113351724 A CN 113351724A
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- 238000009987 spinning Methods 0.000 title claims abstract description 139
- 239000000463 material Substances 0.000 claims abstract description 170
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 7
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000004323 axial length Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000009347 mechanical transmission Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- 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
Abstract
The invention provides a double-wheel spinning machine which comprises a base, wherein a main shaft device, a spinning device and a tail jacking device are sequentially arranged on the upper surface of the base, the spinning device comprises a first sliding table, the first sliding table is connected with the upper surface of the base in a sliding mode, the first sliding table slides left and right along the upper surface of the base, a second sliding table and a third sliding table are arranged on the upper surface of the first sliding table in a sliding mode, a first mounting frame is arranged on the upper surface of the second sliding table, a first spinning wheel is arranged on one side, facing the main shaft device, of the first mounting frame, a second spinning wheel is arranged on one side, facing the main shaft device, of the second mounting frame, and a feeding device is further arranged in front of the base. According to the automatic feeding device, the first spinning wheel and the second spinning wheel are arranged, so that the spinning function can be realized together, the production efficiency is improved, the automatic feeding of the material sheets is realized through the feeding device, the product quality is improved, the automation degree of the device is also improved, and the labor intensity of workers is reduced.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a double-wheel spinning machine.
Background
Metal spinning is a processing technique for metal plastic forming, which makes feeding motion by a spinning wheel, the spinning machine is an advanced forming method for pressing the parts to enable the parts to be plastically deformed to form the required parts, the spinning machining is cutting-free machining, and has the advantages of quickness, labor saving, energy saving, high precision, good surface quality, high material utilization rate, low production cost, wide application range and the like, a spinning wheel assembly on a spinning mechanism is generally adopted by the spinning machine to directly press the thin plate, so that the thin plate can deform according to the pre-designed mould outline, the spinning wheel is a key part for spinning processing and is used for spinning forming of the special-shaped revolving body, the forming process is the flowing and plastic deformation of metal, and the proper selection of metal blank material, spinning wheel, spinning pressure and feeding speed can form strong hardness, high wear resistance and high smooth finish metal surface on the formed surface.
At present, single round spinning is mostly adopted to current spinning-lathe, only sets up a spinning wheel, and the contact range of single spinning wheel and metal tablet is less, and spinning efficiency is lower, and needs artifical material loading when the material loading, and artifical material loading is difficult for aiming at the tail top center with the tablet center to cause the qualification rate that has reduced the product, artifical material loading intensity of labour is big, and degree of automation is lower.
Disclosure of Invention
The invention provides a double-wheel spinning machine, which is used for solving the technical problems that most of the existing spinning machines adopt single-wheel spinning, only one spinning wheel is arranged, the contact range of the single spinning wheel and a metal material sheet is small, the spinning efficiency is low, manual feeding is needed during feeding, the center of the material sheet is not easy to align to the center of a tail top during manual feeding, the product yield is reduced, the labor intensity of manual feeding is high, and the automation degree is low.
In order to solve the technical problem, the invention discloses a double-wheel spinning machine, which comprises: the upper surface of the base is sequentially provided with a main shaft device, a spinning device and a tail jacking device, the spinning device comprises a first sliding table, a second sliding table, a third sliding table, a first mounting frame, a second mounting frame, a first spinning wheel and a second spinning wheel, the first sliding table is connected with the upper surface of the base in a sliding way and slides left and right along the upper surface of the base, the second sliding table and the third sliding table are both arranged on the upper surface of the first sliding table in a sliding manner, the second sliding table is positioned in front of the third sliding table, the second sliding table and the third sliding table slide back and forth along the upper surface of the first sliding table, a first mounting frame is arranged on the upper surface of the second sliding table, the first mounting bracket is towards spindle unit one side sets up first spinning wheel, the second mounting bracket is towards spindle unit one side sets up second spinning wheel, base the place ahead still is provided with loading attachment.
Preferably, spindle unit sets up base upper surface left end, spindle unit includes main shaft body and drive assembly, the drive assembly output with main shaft body one end fixed connection, drive assembly is used for the drive main shaft body rotates, the main shaft body is close to first slip table one end sets up the mould, the mould center with main shaft body fixed connection, the mould is kept away from main shaft body one side sets up the tablet.
Preferably, the tail jacking device is arranged at the right end of the upper surface of the base and comprises a tail jacking body and a first hydraulic driving device, the first hydraulic driving device is used for controlling the tail jacking body to move left and right, the output end of the first hydraulic driving device is rotatably connected with one end of the tail jacking body through a bearing assembly, and the other end of the tail jacking body is in central contact with the material sheet.
Preferably, still include first servo motor, second servo motor and third servo motor, first servo motor's output through first lead screw with first slip table transmission is connected, first servo motor is used for the drive first slip table is followed base upper surface horizontal slip, second servo motor's output through the second lead screw with second slip table transmission is connected, second servo motor is used for the drive the second slip table is followed first slip table upper surface slides from beginning to end, third servo motor's output through the third lead screw with third slip table transmission is connected, third servo motor is used for the drive the third slip table is followed first slip table upper surface slides from beginning to end.
Preferably, the feeding device comprises: a securing assembly, the securing assembly comprising: the bottom plate lower surface is connected with the ground, the vertical plate is perpendicular to the bottom plate, one end of the vertical plate is fixedly connected with the side wall of the bottom plate, the other end of the vertical plate is fixedly connected with the side wall of the baffle, and the baffle is parallel to the bottom plate.
Preferably, the feeding device further comprises: an ejection of compact subassembly, ejection of compact subassembly includes:
the material box is arranged on the upper surface of the bottom plate;
the feed inlet is formed in the upper end of the material box and communicated with the interior of the material box, and the material sheet enters the interior of the material box through the feed inlet;
the discharge port is arranged on the rear side of the material box and communicated with the interior of the material box, and the material sheet is discharged to the exterior of the material box through the discharge port;
the clapboard is arranged in the material box, the right end of the clapboard is fixedly connected with the inner wall of the right side of the material box, a gap exists between the left end of the clapboard and the inner wall of the left side of the material box, the width of the gap is not more than the thickness of the tablets, the clapboard divides the inner space of the material box into a first cavity and a second cavity, the first cavity is positioned at the front side of the second cavity, and a plurality of tablets are placed in the second cavity;
the first electric push rod is arranged in the first cavity, a moving end of the first electric push rod is provided with a first push plate, the first push plate is arranged towards one side of the material sheet and is in a circular arc shape matched with the material sheet, the width of the first push plate is smaller than the width of the gap, the first push plate slides back and forth along the inner wall of the left side of the material box, and the left side of the fixed end of the first electric push rod is fixedly connected with the left side wall of the material box;
the second electric push rod is arranged in the second cavity, the fixed end of the second electric push rod is fixedly connected with the inner wall of the right side of the material box, the moving end of the second electric push rod is provided with a second push plate, and the left side wall of the second push plate is contacted with the material sheet side wall on the right side;
the guide plate, the guide plate sets up the magazine rear end, the guide plate lower surface with fixed surface connects on the bottom plate, set up first recess in the guide plate, first recess with the discharge gate intercommunication, first recess rear end sets up the dead lever, the dead lever is kept away from magazine one end with first recess inner wall fixed connection, the dead lever other end sets up the dog, the dog orientation discharge gate one side be provided with the circular arc of tablet excircle week looks adaptation.
Preferably, still include and get the material subassembly, it includes to get the material subassembly: a first motor, a first fixed block, a second fixed block, a third fixed block, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod, a sixth connecting rod and a seventh connecting rod, wherein the first motor fixed end, the first fixed block, the second fixed block and the third fixed block are fixedly connected with the right side wall of the vertical plate, the first fixed block is positioned at the rear of the first motor, the second fixed block is positioned at the rear upper part of the first fixed block, the third fixed block is positioned at the rear upper part of the second fixed block, one end of the first connecting rod is fixedly connected with the output shaft of the first motor, the other end of the first connecting rod is hinged with one end of the second connecting rod, the second connecting rod is far away from one end of the first connecting rod and is hinged with the middle part of the third connecting rod, one end of the third connecting rod is hinged with the side wall of the second fixed block, the other end of the third connecting rod is hinged with one end of a fourth connecting rod, one end of the fourth connecting rod, far away from the third connecting rod, is hinged with the middle part of the fifth connecting rod, one end of the fifth connecting rod is hinged with one end of a sixth connecting rod, the other end of the fifth connecting rod is hinged with one end of a seventh connecting rod, one end of the sixth connecting rod, far away from the fifth connecting rod, is hinged with the side wall of a third fixed block, one end of the seventh connecting rod, far away from the fifth connecting rod, is hinged with the side wall of the first fixed block, the second connecting rod is positioned on the right side of the first connecting rod, the third connecting rod is positioned on the right side of the second connecting rod, the fourth connecting rod is positioned on the right side of the third connecting rod, the fifth connecting rod is positioned on the left side of the fourth connecting rod, the sixth connecting rod is positioned on the left side of the fifth connecting rod, and the seventh connecting rod is positioned on the right side of the fifth connecting rod, and a connecting rod is further arranged at one end of the fifth connecting rod, which is close to the seventh connecting rod, one end of the connecting rod is fixedly connected with the side wall of the fifth connecting rod, and the other end of the connecting rod is provided with a clamping device.
Preferably, the gripping device includes:
the upper surface of the mounting plate is fixedly connected with the lower end of the connecting rod, and the lower surface of the mounting plate is provided with a second groove which penetrates through the front side wall and the rear side wall of the mounting plate;
the third electric push rod is arranged in the second groove, the fixed end of the third electric push rod is fixedly connected with the inner wall of the upper side of the second groove, and the moving end of the third electric push rod is provided with a moving plate;
two sets of clamps are got the subassembly, and are two sets of it sets up to get the subassembly symmetry the movable plate left and right sides, it includes eighth connecting rod, ninth connecting rod and splint to get the subassembly, ninth connecting rod one end with the movable plate lateral wall is articulated to be connected, the ninth connecting rod other end with the eighth connecting rod middle part is articulated to be connected, eighth connecting rod one end with the articulated connection of second recess inner wall, the eighth connecting rod other end sets up splint, two splint can press from both sides and get the tablet.
Preferably, in order to prevent the web from slipping off between the tailstock body and the die during processing, the actual pressure exerted on the web by the first hydraulic driving device through the tailstock body should be greater than the target pressure exerted by the first hydraulic driving device, and the target pressure exerted by the first hydraulic driving device is calculated by the following formula:
wherein ,F1A target pressure applied by the first hydraulic drive means, m is the mass of the web, pi is the circumference ratio, pi is 3.14, n1The preset maximum rotating speed of the material sheet, D is the diameter of the material sheet, g is the gravity acceleration, and g is 9.8m/s2μ is the web and the vertexCoefficient of friction of the body contact surface.
Preferably, the driving assembly includes a motor, an output end of the motor is fixedly connected to one end of the main shaft body, which is far away from the mold, in order to ensure spinning efficiency of the first spinning wheel and the second spinning wheel, actual power of the motor should be greater than target power of the motor, and the target power of the motor is calculated through the following steps:
step 1: calculating a target driving torque of the motor to the main shaft body by formula (1):
wherein ,M1Target drive torque, m, of the motor to the main shaft body2Is the mass of the main shaft body, D2Is the maximum diameter of the die, pi is the circumference ratio, pi is 3.14, n2Is a preset minimum rotation speed r of the main shaft body1Is the radius of the main shaft body, η1For the transmission efficiency between the first spinning wheel and the material sheet, r2Is the radius of the web,/1Is the axial length of the die, h1Is the thickness of the web, /)2Is the rolling friction force arm of the first spinning wheel on the material sheet, sigma is the yield strength of the material used by the material sheet, and r is3The radius of the first spinning wheel is defined, and s is the propulsion quantity of the first spinning wheel per second along the axial direction of the main shaft body;
step 2: calculating a target power of the motor by formula (2) based on the calculation result of step 1:
wherein ,P1For a target power of the motor, M1The target drive torque n of the motor to the main shaft body calculated for the formula (1)2Is the most preset of the main shaft bodyLow rotational speed, η2For a predetermined working efficiency, η, of the machine3The mechanical transmission efficiency between the motor and the main shaft body;
and step 3: and selecting the motor according to the calculation result of the formula (2), so that the rated power of the motor is larger than the target power of the motor calculated by the formula (2).
The technical scheme of the invention has the following advantages: the invention provides a double-wheel spinning machine which comprises a base, wherein a main shaft device, a spinning device and a tail jacking device are sequentially arranged on the upper surface of the base, the spinning device comprises a first sliding table, the first sliding table is connected with the upper surface of the base in a sliding mode, the first sliding table slides left and right along the upper surface of the base, a second sliding table and a third sliding table are arranged on the upper surface of the first sliding table in a sliding mode, a first mounting frame is arranged on the upper surface of the second sliding table, a first spinning wheel is arranged on one side, facing the main shaft device, of the first mounting frame, a second spinning wheel is arranged on one side, facing the main shaft device, of the second mounting frame, and a feeding device is further arranged in front of the base. According to the automatic feeding device, the first spinning wheel and the second spinning wheel are arranged, so that the spinning function can be realized together, the production efficiency is improved, the automatic feeding of the material sheets is realized through the feeding device, the product quality is improved, the automation degree of the device is also improved, and the labor intensity of workers is reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the apparatus particularly pointed out in the written description and drawings thereof.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a top view of the overall structure of a double-wheel spinning machine according to the present invention;
FIG. 2 is a schematic view of the overall structure of a double-wheel spinning machine according to the present invention;
FIG. 3 is a front view of a two-wheel spinning machine of the present invention;
FIG. 4 is a schematic view of the overall structure of the loading device of the present invention;
FIG. 5 is a schematic view of a material-taking state of the feeding device according to the present invention;
FIG. 6 is a schematic view of a loading state of the loading device according to the present invention;
FIG. 7 is a top view of the internal structure of the magazine according to the present invention;
fig. 8 is a schematic view of the gripping device of the present invention.
In the figure: 1. a base; 2. a first sliding table; 3. a second sliding table; 4. a third sliding table; 5. a first mounting bracket; 6. a second mounting bracket; 7. a first spinning wheel; 8. a second spinning wheel; 9. a feeding device; 10. a main shaft body; 11. a mold; 12. a web; 13. a tail cap body; 14. a base plate; 15. a vertical plate; 16. a baffle plate; 17. a magazine; 18. a feed inlet; 19. a discharge port; 20. a partition plate; 21. a gap; 22. a first cavity; 23. a second cavity; 24. a first electric push rod; 25. a first push plate; 26. a second electric push rod; 27. a second push plate; 28. a guide plate; 29. a first groove; 30. fixing the rod; 31. a stopper; 32. a first motor; 33. a first fixed block; 34. a second fixed block; 35. a third fixed block; 36. a first link; 37. a second link; 38. a third link; 39. a fourth link; 40. a fifth link; 41. a sixth link; 42. a seventh connecting rod; 43. a connecting rod; 44. a gripping device; 45. mounting a plate; 46. a second groove; 47. a third electric push rod; 48. moving the plate; 49. an eighth link; 50. a ninth link; 51. and (4) clamping the plate.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
Example 1:
an embodiment of the present invention provides a double-wheel spinning machine, as shown in fig. 1 to 8, including: the spinning device comprises a first sliding table 2, a second sliding table 3, a third sliding table 4, a first mounting frame 5, a second mounting frame 6, a first spinning wheel 7 and a second spinning wheel 8, wherein the spinning device comprises the first sliding table 2, the second sliding table 3, the third sliding table 4, the first mounting frame 5, the second mounting frame 6, the first spinning wheel 7 and the second spinning wheel 8, the first sliding table 2 is connected with the upper surface of the base 1 in a sliding manner, the first sliding table 2 slides left and right along the upper surface of the base 1, the second sliding table 3 and the third sliding table 4 are arranged on the upper surface of the first sliding table 2 in a sliding manner, the second sliding table 3 is arranged in front of the third sliding table 4, the second sliding table 3 and the third sliding table 4 slide back and forth along the upper surface of the first sliding table 2, the first mounting frame 5 is arranged on the upper surface of the second sliding table 3, the first spinning wheel 7 is arranged on one side of the main shaft device facing the first mounting frame 5, and the second spinning wheel 8 is arranged on one side of the main shaft device facing the second mounting frame 6, a feeding device 9 is further arranged in front of the base 1.
The working principle and the beneficial effects of the technical scheme are as follows: a main shaft device, a spinning device and a tail top device are sequentially arranged on a base 1 from left to right, the main shaft device and the tail top device can adopt the existing devices, the main shaft device is used for driving a workpiece to rotate, the tail top device is used for fixing the workpiece, the spinning device comprises a first sliding table 2, a second sliding table 3, a third sliding table 4, a first mounting frame 5, a second mounting frame 6, a first spinning wheel 7 and a second spinning wheel 8, the first sliding table 2 is connected with the upper surface of the base 1 in a sliding way, the first sliding table 2 can slide along the upper surface of the base 1 in the left-right direction, the second sliding table 3 and the third sliding table 4 are respectively arranged at the front end and the rear end of the upper surface of the first sliding table, the second sliding table 3 and the third sliding table 4 are symmetrically arranged on the first sliding table 2 and can slide along the upper surface of the first sliding table 2 back and forth, the first mounting frame 5 is arranged on the second sliding table 3, the first mounting frame 5 is provided with the first spinning wheel 7, the first spinning wheel 7 can rotate on the first mounting frame 5, the third sliding table 4 is provided with a second mounting frame 6, the second mounting frame 6 is provided with a second spinning wheel 8, the second spinning wheel 8 can rotate on the second mounting frame 6, during production, a tail jacking device is used for fixing a material sheet 12 to be processed at the mounting end of a main shaft device, then the main shaft device is started, the main shaft device can drive the material sheet 12 to rotate, then the first sliding table 2 is controlled to slide towards the main shaft device, the first sliding table 2 drives the second sliding table 3 and the third sliding table 4 to simultaneously move towards the main shaft device, simultaneously drives the first spinning wheel 7 and the second spinning wheel 8 to move towards the main shaft device, when the first spinning wheel 7 and the second spinning wheel 8 are close to the rotating material sheet 12, the first sliding table 2 is controlled to continuously move towards the main shaft device, then the second sliding table 3 is controlled to slide towards the material sheet 12, the first spinning wheel 7 is gradually close to the material sheet 12 and contacts with the surface of the material sheet 12 to start spinning the material sheet 12, and at the same time, the third sliding table 4 is controlled to slide forwards, the third sliding table 4 drives the second spinning wheel 8 to gradually close to the material sheet 12 and contact with the surface of the material sheet 12, then the first sliding table 2, the second sliding table 3 and the third sliding table 4 can be controlled to move according to the shape of the die 11, thereby completing the processing and forming of the material sheet 12, by arranging the first spinning wheel 7 and the second spinning wheel 8, the first spinning wheel 7 and the second spinning wheel 8 can simultaneously contact with the surface of the material sheet 12 to be processed, the two spinning wheels simultaneously act on the surface of the material sheet 12, the contact area is increased, the spinning function is jointly realized, thereby the production efficiency is improved, the second sliding table 3 and the third sliding table 4 can slide independently, so that the equipment can selectively use one or two spinning wheels for processing, and the flexibility of the equipment is improved, and realize tablet 12 automatic feeding through loading attachment 9, realized the automatic alignment function for tablet 12 center, main shaft body 10 and the center of tail top body 13 are in the same straight line, have improved product quality, have also improved the degree of automation of device, do not need artifical material loading, have reduced staff's intensity of labour.
Example 2
On the basis of the foregoing embodiment 1, as shown in fig. 1 to 3, the spindle device is disposed at the left end of the upper surface of the base 1, the spindle device includes a spindle body 10 and a driving assembly, an output end of the driving assembly is fixedly connected to one end of the spindle body 10, the driving assembly is configured to drive the spindle body 10 to rotate, a mold 11 is disposed at one end of the spindle body 10 close to the first sliding table 2, a center of the mold 11 is fixedly connected to the spindle body 10, and a material sheet 12 is disposed at one side of the mold 11 away from the spindle body 10;
the tail ejecting device is arranged at the right end of the upper surface of the base 1 and comprises a tail ejecting body 13 and a first hydraulic driving device, the first hydraulic driving device is used for controlling the tail ejecting body 13 to move left and right, the output end of the first hydraulic driving device is rotatably connected with one end of the tail ejecting body 13 through a bearing assembly, and the other end of the tail ejecting body 13 is in central contact with the material sheet 12.
The working principle and the beneficial effects of the technical scheme are as follows: the main shaft device comprises a main shaft body 10 and a driving assembly, the driving assembly can be driven by a motor selectively, the output end of the driving assembly is connected with the main shaft body 10, a mold 11 is arranged at the other end of the main shaft body 10, the driving assembly drives the main shaft body 10 to rotate, the main shaft body 10 can drive the mold 11 to rotate, the tail ejection device comprises a tail ejection body 13 and a first hydraulic driving device, the first hydraulic driving device is an existing hydraulic system, the first hydraulic driving device can control the tail ejection body 13 to move towards the main shaft body 10, during processing, the sheet 12 is first placed between the die 11 and the tail cap body 13, the sheet 12 is in contact with the center of the die 11, then the first hydraulic driving device is started, the first hydraulic driving device drives the tail top body 13 to move towards the material sheet 12, thereby sandwiching the web 12 between the tailstock body 13 and the mold 11, and serving to fix the web 12.
Example 3
On embodiment 1's basis, still include first servo motor, second servo motor and third servo motor, first servo motor's output through first lead screw with 2 transmission connections of first slip table, first servo motor is used for the drive first slip table 2 is followed 1 upper surface horizontal slip of base, second servo motor's output through the second lead screw with 3 transmission connections of second slip table, second servo motor is used for the drive second slip table 3 is followed slide around the 2 upper surfaces of first slip table, third servo motor's output through the third lead screw with 4 transmission connections of third slip table, third servo motor is used for the drive third slip table 4 is followed slide around the 2 upper surfaces of first slip table.
The working principle and the beneficial effects of the technical scheme are as follows: first servo motor is connected with 2 transmissions of first slip table through first lead screw, second servo motor passes through the second lead screw and is connected with 3 transmissions of second slip table, third servo motor passes through the third lead screw and is connected with 4 transmissions of third slip table, first servo motor, second servo motor and third servo motor all adopt current servo motor, first servo motor can drive first slip table 2 and carry out the horizontal slip along 1 upper surface of base, second servo motor can drive 3 slips around along the 2 upper surfaces of first slip table of second slip table, third servo motor can drive 4 slips around along the 2 upper surfaces of first slip table of third slip table.
Example 4
On the basis of embodiment 1, as shown in fig. 4 to 8, the feeding device 9 includes: a securing assembly, the securing assembly comprising: the lower surface of the bottom plate 14 is connected with the ground, the vertical plate 15 is perpendicular to the bottom plate 14, one end of the vertical plate 15 is fixedly connected with the side wall of the bottom plate 14, the other end of the vertical plate 15 is fixedly connected with the side wall of the baffle plate 16, and the baffle plate 16 is parallel to the bottom plate 14;
the feeding device 9 further comprises: an ejection of compact subassembly, ejection of compact subassembly includes:
a magazine 17, wherein the magazine 17 is arranged on the upper surface of the bottom plate 14;
the feed port 18 is arranged at the upper end of the material box 17, the feed port 18 is communicated with the interior of the material box 17, and the tablets 12 enter the interior of the material box 17 through the feed port 18;
the discharge port 19 is arranged at the rear side of the material box 17, the discharge port 19 is communicated with the inside of the material box 17, and the tablets 12 are discharged to the outside of the material box 17 through the discharge port 19;
the clapboard 20 is arranged in the material box 17, the right end of the clapboard 20 is fixedly connected with the inner wall of the right side of the material box 17, a gap 21 exists between the left end of the clapboard 20 and the inner wall of the left side of the material box 17, the width of the gap 21 is not more than the thickness of the tablets 12, the clapboard 20 divides the inner space of the material box 17 into a first cavity 22 and a second cavity 23, the first cavity 22 is positioned at the front side of the second cavity 23, and a plurality of tablets 12 are placed in the second cavity 23;
the first electric push rod 24 is arranged in the first cavity 22, a moving end of the first electric push rod 24 is provided with a first push plate 25, one side, facing the material sheet 12, of the first push plate 25 is arranged to be in a circular arc shape matched with the material sheet 12, the width of the first push plate 25 is smaller than the width of the gap 21, the first push plate 25 slides back and forth along the inner wall of the left side of the material box 17, and the left side of the fixed end of the first electric push rod 24 is fixedly connected with the left side wall of the material box 17;
the second electric push rod 26 is arranged in the second cavity 23, the fixed end of the second electric push rod 26 is fixedly connected with the inner wall of the right side of the material box 17, the moving end of the second electric push rod 26 is provided with a second push plate 27, and the left side wall of the second push plate 27 is contacted with the side wall of the right tablet 12;
the guide plate 28 is arranged at the rear end of the material box 17, the lower surface of the guide plate 28 is fixedly connected with the upper surface of the bottom plate 14, a first groove 29 is formed in the guide plate 28, the first groove 29 is communicated with the material outlet 19, a fixing rod 30 is arranged at the rear end of the first groove 29, one end, far away from the material box 17, of the fixing rod 30 is fixedly connected with the inner wall of the first groove 29, a stop block 31 is arranged at the other end of the fixing rod 30, and an arc matched with the outer circumference of the material sheet 12 is arranged on one side, facing the material outlet 19, of the stop block 31;
still include to get the material subassembly, it includes to get the material subassembly: first motor 32, first fixed block 33, second fixed block 34, third fixed block 35, first connecting rod 36, second connecting rod 37, third connecting rod 38, fourth connecting rod 39, fifth connecting rod 40, sixth connecting rod 41, seventh connecting rod 42, first motor 32 fixed end, first fixed block 33, second fixed block 34, third fixed block 35 all with riser 15 right side wall fixed connection, first fixed block 33 is located first motor 32 rear, second fixed block 34 is located first fixed block 33 rear upper side, third fixed block 35 is located second fixed block 34 rear upper side, first connecting rod 36 one end with first motor 32 output shaft fixed connection, the first connecting rod 36 other end with second connecting rod 37 one end is articulated to be connected, second connecting rod 37 keep away from first connecting rod 36 one end with third connecting rod 38 middle part is articulated to be connected, one end of the third connecting rod 38 is hinged to the side wall of the second fixing block 34, the other end of the third connecting rod 38 is hinged to one end of the fourth connecting rod 39, far away from the third connecting rod 38, is hinged to the middle of the fifth connecting rod 40, one end of the fifth connecting rod 40 is hinged to one end of the sixth connecting rod 41, the other end of the fifth connecting rod 40 is hinged to one end of the seventh connecting rod 42, one end of the sixth connecting rod 41, far away from the fifth connecting rod 40, is hinged to the side wall of the third fixing block 35, one end of the seventh connecting rod 42, far away from the fifth connecting rod 40, is hinged to the side wall of the first fixing block 33, the second connecting rod 37 is located on the right side of the first connecting rod 36, the third connecting rod 38 is located on the right side of the second connecting rod 37, and the fourth connecting rod 39 is located on the right side of the third connecting rod 38, the fifth connecting rod 40 is positioned at the left side of the fourth connecting rod 39, the sixth connecting rod 41 is positioned at the left side of the fifth connecting rod 40, the seventh connecting rod 42 is positioned at the right side of the fifth connecting rod 40, a connecting rod 43 is further arranged at one end of the fifth connecting rod 40 close to the seventh connecting rod 42, one end of the connecting rod 43 is fixedly connected with the side wall of the fifth connecting rod 40, and a clamping device 44 is arranged at the other end of the connecting rod 43;
the gripping device 44 includes:
the upper surface of the mounting plate 45 is fixedly connected with the lower end of the connecting rod 43, a second groove 46 is formed in the lower surface of the mounting plate 45, and the second groove 46 penetrates through the front side wall and the rear side wall of the mounting plate 45;
the third electric push rod 47 is arranged in the second groove 46, the fixed end of the third electric push rod 47 is fixedly connected with the inner wall of the upper side of the second groove 46, and the moving end of the third electric push rod 47 is provided with a moving plate 48;
two sets of clamping components, two sets of the symmetry of clamping components sets up the movable plate 48 left and right sides, the clamping component includes eighth connecting rod 49, ninth connecting rod 50 and splint 51, ninth connecting rod 50 one end with the movable plate 48 lateral wall is articulated to be connected, the ninth connecting rod 50 other end with the eighth connecting rod 49 middle part is articulated to be connected, eighth connecting rod 49 one end with the articulated connection of second recess 46 inner wall, the eighth connecting rod 49 other end sets up splint 51, two splint 51 can press from both sides and get tablet 12.
The working principle and the beneficial effects of the technical scheme are as follows: the feeding device 9 comprises a fixing component, a discharging component and a taking component, wherein a bottom plate 14 of the fixing component is installed on the ground, a vertical plate 15 is arranged on the upper surface of the bottom plate 14, the vertical plate 15 is perpendicular to the bottom plate 14, a baffle 16 is arranged at the upper end of the vertical plate 15, the baffle 16 is parallel to the bottom plate 14, the baffle 16 is used for shielding dust, the discharging component is arranged on the surface of the fixing component, a material box 17 is arranged on the upper surface of the bottom plate 14, a feeding hole 18 is arranged at the upper end of the material box 17, a plurality of material sheets 12 can be placed into a second cavity 23 of the material box 17 through the feeding hole 18, the side surface of the rightmost material sheet 12 is in contact with a second push plate 27 connected with a second electric push rod 26, a gap 21 is arranged at the left end of a partition plate 20 of a first cavity 22 and a second cavity 23, the width of the gap 21 is not more than the thickness of the material sheet 12, and the material sheets 12 are prevented from entering the first cavity 22, a first electric push rod 24 is arranged in the first cavity 22, a first push plate 25 is arranged at one end of the first electric push rod 24 facing the material sheet 12, the first push plate 25 is positioned between the partition plate 20 and the gap 21 of the inner wall of the material box 17, the first push plate 25 can slide back and forth along the inner wall of the material box 17, when feeding is needed, the second electric push rod 26 is started, the second push plate 27 of the second electric push rod 26 pushes the material sheet 12 to move left, so that the material sheet 12 at the left side is attached to the inner wall at the left side of the material box 17, then the first electric push rod 24 is started, the first electric push rod 24 pushes the material sheet 12 backwards through the first push plate 25, the material sheet 12 at the leftmost side is pushed out from the discharge port 19, then the material sheet 12 slides along the first groove 29 of the guide plate 28 until one side of the material sheet 12 contacts with the stop block 31, then the material taking assembly starts to take material, when the material taking assembly works, the first motor 32 is started, the first motor 32 can drive the first connecting rod 36 to rotate, the first connecting rod 36 rotates to drive the second connecting rod 37 to move, the first connecting rod 36 firstly drives the second connecting rod 37 to move towards the direction close to the base 1, then the second connecting rod 37 drives the third connecting rod 38 to rotate towards the direction close to the base 1 by taking the second fixing block 34 as a circle center, the third connecting rod 38 drives the fourth connecting rod 39 to rotate, the fourth connecting rod 39 is hinged with the middle part of the fifth connecting rod 40, two ends of the fifth connecting rod 40 are respectively hinged with the sixth connecting rod 41 and the seventh connecting rod 42, the other end of the sixth connecting rod 41 is hinged with the third fixing block 35, the other end of the seventh connecting rod 42 is hinged with the first fixing block 33, therefore, under the action of the sixth connecting rod 41 and the seventh connecting rod 42, when the fifth connecting rod 40 is pushed by the fourth connecting rod 39, the fifth connecting rod 40 gradually moves downwards, the fifth connecting rod 40 drives the connecting rod 43 to move towards the material sheet 12 in the first groove 29, the clamping device 44 arranged at the lower end of the connecting rod 43 gradually approaches towards the material sheet 12, the clamping device 44 can be a hydraulic clamping jaw or an electric clamping jaw, and in the present invention, when the material sheet 12 enters the second groove 46 of the mounting plate 45 of the clamping device 44, the first motor 32 is temporarily stopped, the third electric push rod 47 is started, the third electric push rod 47 is retracted, the third electric push rod 47 drives the moving plate 48 to move upwards, the moving plate 48 drives the ninth link 50 to move upwards, the ninth link 50 drives the eighth link 49 to rotate towards the material sheet 12 in a circular shape at a position hinged with the inner wall of the second groove 46, the clamp plate 51 arranged at one end of the eighth link 49 gradually contacts with the side wall of the material sheet 12 until the clamp plates 51 at the left and right sides of the material sheet 12 contact with the material sheet 12, at this time, the material sheet 12 is clamped by the clamping device 44, at this time, the feeding device is in a material taking state (as shown in fig. 5), then the first electric push rod 24 and the second electric push rod 26 are restored to their original positions, and the first motor 32 continues to rotate, the first connecting rod 36 is driven to rotate towards the direction away from the base 1, when the first connecting rod 36 rotates, the first connecting rod 36 pulls the third connecting rod 38 through the second connecting rod 37, so that the third connecting rod 38 swings towards the direction away from the base 1, then the third connecting rod 38 drives the fifth connecting rod 40 through the fourth connecting rod 39 to move, under the action of the sixth connecting rod 41 and the seventh connecting rod 42, the fifth connecting rod 40 rotates anticlockwise, the connecting rod rotates anticlockwise along with the fifth connecting rod 40, the connecting rod 43 drives the clamping device 44 to rotate towards the die 11 until the connecting rod 43 is in a horizontal state, at the moment, the feeding device is in a feeding state (as shown in figure 6), the material sheet 12 is positioned at the right side of the die 11, the center of the material sheet 12 is aligned with the center of the die 11, and the material sheet 12 is fixed by the tail-top device, after the material sheet 12 is fixed by the tail-top device, the third electric push rod 47 extends out, the clamping plate 51 is separated from the material sheet 12, the first motor 32 rotates again to restore the connecting rod 43, when the material is fed again, the above steps are repeated, the first motor 32, the first electric push rod 24, the second electric push rod 26 and the third electric push rod 47 can all be realized by adopting personnel operation or automatic control, position sensors are arranged on the material box 17, the first groove 29, the second groove 46 and the connecting rod 43, the position of the material sheet 12 can be identified, then the control of each step is realized, the fixing component is arranged and can be used for installing the discharging component, so that the feeding device 9 is integrally arranged in front of the spinning machine, the discharging component can enable the single material sheet 12 to move from the material box 17 to the first groove 29 of the guide plate 28, the material is conveniently taken, the material taking component can clamp the material sheet 12 from the first groove 29 by using the clamping device 44, then the clamped material sheet 12 is conveyed to the mold 11 and is fixed by the tail jacking device, through setting up loading attachment 9, realized the automatic discharging and the material loading process of tablet 12, and enable tablet 12 center, main shaft body 10 center and tail top center and keep at same straight line, ensured machine-shaping's quality, improved the product percent of pass, loading attachment 9 realizes the automatic feeding of tablet 12, does not need artifical material loading, has improved the degree of automation of equipment, has reduced staff's intensity of labour.
Example 5
On the basis of example 2, in order to prevent the web 12 from slipping off between the tailstock body 13 and the die 11 during processing, the actual pressure applied to the web 12 by the first hydraulic drive device through the tailstock body 13 by the first hydraulic drive device should be greater than the target pressure applied by the first hydraulic drive device, which is calculated by the following formula:
wherein ,F1A target pressure to be applied by the first hydraulic drive means, m is the mass of the web 12, pi is the circumference ratio, pi is 3.14, n1Is the preset maximum rotating speed of the material sheet 12, D is the diameter of the material sheet 12, g is the gravity acceleration, and g is 9.8m/s2And mu is the friction coefficient of the contact surface of the material sheet 12 and the tail top body 13.
The working principle and the beneficial effects of the technical scheme are as follows: the material sheet 12 is extruded by the tail top body 13 at one side of the die 11, the pressure applied by the tail top body 13 to the material sheet 12 is provided by a first hydraulic driving device, during processing, the main shaft body 10 is driven by the driving assembly to rotate, the main shaft body 10 drives the die 11 to rotate, the die 11 drives the material sheet 12 and the tail top body 13 to rotate, the preset maximum rotating speed of the material sheet 12 is the rated rotating speed of the driving assembly, in order to prevent the material sheet 12 from slipping off between the tail top body 13 and the die 11 during processing, the actual pressure applied by the first hydraulic driving device to the material sheet 12 through the tail top body 13 should be greater than the target pressure applied by the first hydraulic driving device, then the target pressure applied by the first hydraulic driving device can be calculated through the formula, according to the calculation result of the formula, the actual pressure of the selected first hydraulic driving device should be greater than the target pressure applied by the first hydraulic driving device, therefore, the material sheet 12 cannot slide from the tail top body 13 to the die 11 in the machining process, the stability of the material sheet 12 is improved, and the product percent of pass of spinning production is further improved.
Example 6
On the basis of embodiment 2, the driving assembly includes a motor, an output end of the motor is fixedly connected to one end of the main shaft body 10, which is far away from the mold 11, in order to ensure spinning efficiency of the first spinning wheel 7 and the second spinning wheel 8, actual power of the motor should be greater than target power of the motor, and the target power of the motor is calculated through the following steps:
step 1: calculating a target driving torque of the motor to the spindle body 10 by equation (1):
wherein ,M1Target drive torque m for the motor to the main shaft body 102Mass of the main shaft body 10, D2Is the maximum diameter of the die 11, pi is the circumference ratio, pi is 3.14, n2Is a preset minimum rotation speed, r, of the spindle body 101Is the radius, η, of the main shaft body 101For the transmission efficiency between the first spinning wheel 7 and the material sheet 12, r2Is the radius of the web 12,/1Is the axial length, h, of the die 111Is the thickness of the web 12,/2Is the rolling friction arm of the first spinning wheel 7 on the material sheet 12, sigma is the yield strength of the material used for the material sheet 12, r3The radius of the first spinning wheel 7 is defined, and s is the thrust per second of the first spinning wheel 7 along the axial direction of the main shaft body 10;
step 2: calculating a target power of the motor by formula (2) based on the calculation result of step 1:
wherein ,P1For a target power of the motor, M1The target drive torque, n, of the motor to the spindle body 10 calculated for the formula (1)2Is a preset minimum rotation speed, eta, of the main shaft body 102For a predetermined working efficiency, η, of the machine3The mechanical transmission efficiency between the motor and the main shaft body 10;
and step 3: and selecting the motor according to the calculation result of the formula (2), so that the rated power of the motor is larger than the target power of the motor calculated by the formula (2).
The working principle and the beneficial effects of the technical scheme are as follows: the working efficiency of the spinning machine is related to the rotating speed of a material sheet 12, the rotating speed of the material sheet 12 is related to a main shaft body 10, the main shaft body 10 is connected with a motor, the motor can drive the main shaft body 10 to rotate to provide driving force for the main shaft body 10, in order to ensure the working efficiency of the spinning machine, the preset rotating speed of the main shaft body 10 is not less than the preset minimum rotating speed, in the scheme, the diameter and the material of a first spinning wheel 7 and the diameter and the material of a second spinning wheel 8 are the same, therefore, according to relevant parameters of the first spinning wheel 7, the material sheet 12, a mold 11 and the main shaft body 10, a target moment of the motor to the main shaft body 10 can be calculated through a formula (1) when the actual rotating speed of the main shaft body 10 is the preset minimum rotating speed, wherein the preset minimum rotating speed of the main shaft body 10 is selected by a worker according to the production speed, and the transmission efficiency between the first spinning wheel 7 and the material sheet 12 is determined by the contact area and the friction between the first spinning wheel 7 and the material sheet 12, the pushing amount of the first spinning wheel 7 per second along the axial direction of the main shaft body 10 is related to the sliding speed of the first sliding table 2 and the second sliding table 3, according to the calculation result of the formula (1), the target power of the motor can be calculated through the formula (2), then the motor is selected according to the calculation result of the formula (2), the rated power of the selected motor is larger than the target power of the motor, the motor selected through the scheme drives the main shaft body 10 to rotate, the main shaft body 10 can rotate at the preset lowest rotating speed or not, the rotating speed of the material sheet 12 is guaranteed, the spinning efficiency of the first spinning wheel 7 and the spinning efficiency of the second spinning wheel 8 are guaranteed, the working efficiency of the spinning machine is improved, the spinning machine is guaranteed to complete spinning production within the set time, the adjustment of production beats is facilitated, and the spinning machine is more flexible and controllable.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A two-wheel spinning machine, comprising: the spinning device comprises a first sliding table (2), a second sliding table (3), a third sliding table (4), a first mounting frame (5), a second mounting frame (6), a first spinning wheel (7) and a second spinning wheel (8), wherein the upper surface of the base (1) is sequentially provided with a main shaft device, the spinning device and a tail top device, the first sliding table (2) is connected with the upper surface of the base (1) in a sliding manner, the first sliding table (2) slides left and right along the upper surface of the base (1), the second sliding table (3) and the third sliding table (4) are arranged on the upper surface of the first sliding table (2) in a sliding manner, the second sliding table (3) is positioned in front of the third sliding table (4), the second sliding table (3) and the third sliding table (4) both slide front and back along the upper surface of the first sliding table (2), and the first mounting frame (5) is arranged on the upper surface of the second sliding table (3), the first mounting frame (5) faces towards one side of the main shaft device is provided with a first spinning wheel (7), the second mounting frame (6) faces towards one side of the main shaft device is provided with a second spinning wheel (8), and a feeding device (9) is further arranged in front of the base (1).
2. The double-wheel spinning machine according to claim 1, wherein the spindle device is arranged at the left end of the upper surface of the base (1), the spindle device comprises a spindle body (10) and a driving assembly, the output end of the driving assembly is fixedly connected with one end of the spindle body (10), the driving assembly is used for driving the spindle body (10) to rotate, a mold (11) is arranged at one end, close to the first sliding table (2), of the spindle body (10), the center of the mold (11) is fixedly connected with the spindle body (10), and a material sheet (12) is arranged at one side, far away from the spindle body (10), of the mold (11).
3. The double-wheel spinning machine according to claim 2, characterized in that the tail-top device is arranged at the right end of the upper surface of the base (1), the tail-top device comprises a tail-top body (13) and a first hydraulic driving device, the first hydraulic driving device is used for controlling the tail-top body (13) to move left and right, the output end of the first hydraulic driving device is rotatably connected with one end of the tail-top body (13) through a bearing assembly, and the other end of the tail-top body (13) is in contact with the center of the material sheet (12).
4. The twin-wheel spinning machine according to claim 1, further comprising a first servo motor, a second servo motor and a third servo motor, the output end of the first servo motor is in transmission connection with the first sliding table (2) through a first lead screw, the first servo motor is used for driving the first sliding table (2) to slide left and right along the upper surface of the base (1), the output end of the second servo motor is in transmission connection with the second sliding table (3) through a second lead screw, the second servo motor is used for driving the second sliding table (3) to slide back and forth along the upper surface of the first sliding table (2), the output end of the third servo motor is in transmission connection with the third sliding table (4) through a third screw rod, the third servo motor is used for driving the third sliding table (4) to slide back and forth along the upper surface of the first sliding table (2).
5. A double-wheel spinning machine according to claim 2, characterized in that said feeding device (9) comprises: a securing assembly, the securing assembly comprising: bottom plate (14), riser (15) and baffle (16), bottom plate (14) lower surface is connected with ground, riser (15) perpendicular to bottom plate (14), riser (15) one end with bottom plate (14) lateral wall fixed connection, the riser (15) other end with baffle (16) lateral wall fixed connection, baffle (16) with bottom plate (14) are parallel to each other.
6. A double-wheel spinning machine according to claim 5, characterized in that said feeding device (9) further comprises: an ejection of compact subassembly, ejection of compact subassembly includes:
a magazine (17), wherein the magazine (17) is arranged on the upper surface of the bottom plate (14);
the feed inlet (18) is formed in the upper end of the material box (17), the feed inlet (18) is communicated with the interior of the material box (17), and the tablets (12) enter the interior of the material box (17) through the feed inlet (18);
the discharge port (19) is arranged on the rear side of the material box (17), the discharge port (19) is communicated with the inside of the material box (17), and the tablets (12) are discharged to the outside of the material box (17) through the discharge port (19);
the partition plate (20) is arranged inside the material box (17), the right end of the partition plate (20) is fixedly connected with the inner wall of the right side of the material box (17), a gap (21) is formed between the left end of the partition plate (20) and the inner wall of the left side of the material box (17), the width of the gap (21) is not larger than the thickness of the material sheets (12), the partition plate (20) divides the inner space of the material box (17) into a first cavity (22) and a second cavity (23), the first cavity (22) is positioned on the front side of the second cavity (23), and a plurality of material sheets (12) are placed in the second cavity (23);
the first electric push rod (24) is arranged in the first cavity (22), a first push plate (25) is arranged at the moving end of the first electric push rod (24), the first push plate (25) faces one side of the material sheet (12) and is arranged into a circular arc shape matched with the material sheet (12), the width of the first push plate (25) is smaller than that of the gap (21), the first push plate (25) slides back and forth along the inner wall of the left side of the material box (17), and the left side of the fixed end of the first electric push rod (24) is fixedly connected with the left side wall of the material box (17);
the second electric push rod (26), the second electric push rod (26) is arranged in the second cavity (23), the fixed end of the second electric push rod (26) is fixedly connected with the inner wall of the right side of the material box (17), the moving end of the second electric push rod (26) is provided with a second push plate (27), and the left side wall of the second push plate (27) is contacted with the side wall of the right material sheet (12);
deflector (28), deflector (28) set up magazine (17) rear end, deflector (28) lower surface with bottom plate (14) upper surface fixed connection, set up first recess (29) in deflector (28), first recess (29) with discharge gate (19) intercommunication, first recess (29) rear end sets up dead lever (30), dead lever (30) are kept away from magazine (17) one end with first recess (29) inner wall fixed connection, the dead lever (30) other end sets up dog (31), dog (31) orientation discharge gate (19) one side be provided with the circular arc of tablet (12) outer circumference looks adaptation.
7. The dual-wheel spinning machine of claim 6, further comprising a take-off assembly, said take-off assembly comprising: a first motor (32), a first fixed block (33), a second fixed block (34), a third fixed block (35), a first connecting rod (36), a second connecting rod (37), a third connecting rod (38), a fourth connecting rod (39), a fifth connecting rod (40), a sixth connecting rod (41) and a seventh connecting rod (42), wherein the fixed end of the first motor (32), the first fixed block (33), the second fixed block (34) and the third fixed block (35) are fixedly connected with the right side wall of the vertical plate (15), the first fixed block (33) is positioned behind the first motor (32), the second fixed block (34) is positioned above the rear of the first fixed block (33), the third fixed block (35) is positioned above the rear of the second fixed block (34), one end of the first connecting rod (36) is fixedly connected with the output shaft of the first motor (32), the other end of the first connecting rod (36) is hinged to one end of the second connecting rod (37), the second connecting rod (37) is far away from one end of the first connecting rod (36) and hinged to the middle of the third connecting rod (38), one end of the third connecting rod (38) is hinged to the side wall of the second fixing block (34), the other end of the third connecting rod (38) is hinged to one end of the fourth connecting rod (39), one end of the fourth connecting rod (39) is far away from one end of the third connecting rod (38) and hinged to the middle of the fifth connecting rod (40), one end of the fifth connecting rod (40) is hinged to one end of the sixth connecting rod (41), the other end of the fifth connecting rod (40) is hinged to one end of the seventh connecting rod (42), one end of the fifth connecting rod (40) is far away from the sixth connecting rod (41) and hinged to the side wall of the third fixing block (35), one end of the seventh connecting rod (42) far away from the fifth connecting rod (40) is hinged with the side wall of the first fixed block (33), the second link (37) is located to the right of the first link (36), the third link (38) is located to the right of the second link (37), the fourth link (39) is located to the right of the third link (38), the fifth link (40) is located to the left of the fourth link (39), the sixth connecting rod (41) is positioned at the left side of the fifth connecting rod (40), the seventh connecting rod (42) is positioned at the right side of the fifth connecting rod (40), a connecting rod (43) is further arranged at one end of the fifth connecting rod (40) close to the seventh connecting rod (42), one end of the connecting rod (43) is fixedly connected with the side wall of the fifth connecting rod (40), and the other end of the connecting rod (43) is provided with a clamping device (44).
8. The double-wheel spinning machine according to claim 7, characterized in that said gripping means (44) comprise:
the upper surface of the mounting plate (45) is fixedly connected with the lower end of the connecting rod (43), a second groove (46) is formed in the lower surface of the mounting plate (45), and the second groove (46) penetrates through the front side wall and the rear side wall of the mounting plate (45);
the third electric push rod (47), the third electric push rod (47) is arranged in the second groove (46), the fixed end of the third electric push rod (47) is fixedly connected with the inner wall of the upper side of the second groove (46), and the moving end of the third electric push rod (47) is provided with a moving plate (48);
two sets of clamping components, two sets of the symmetry of clamping components sets up the movable plate (48) left and right sides, the clamping component includes eighth connecting rod (49), ninth connecting rod (50) and splint (51), ninth connecting rod (50) one end with movable plate (48) lateral wall is articulated to be connected, the ninth connecting rod (50) other end with eighth connecting rod (49) middle part is articulated to be connected, eighth connecting rod (49) one end with second recess (46) inner wall is articulated to be connected, eighth connecting rod (49) other end sets up splint (51), two splint (51) can be got to clamp tablet (12).
9. A twin-wheel spinning machine according to claim 3, characterised in that, in order to prevent the web (12) from slipping off between the tailstock body (13) and the mould (11) during processing, the actual pressure exerted by the first hydraulic drive on the web (12) by the tailstock body (13) should be greater than the target pressure exerted by the first hydraulic drive, which is calculated by the following formula:
wherein ,F1A target pressure to be applied by the first hydraulic drive means, m is the mass of the web (12), pi is the circumferential ratio, pi is 3.14, n1Is the preset maximum rotating speed of the material sheet (12), D is the diameter of the material sheet (12), g is the gravity acceleration, and g is 9.8m/s2Mu is the friction coefficient of the contact surface of the material sheet (12) and the tail top body (13).
10. The double-wheel spinning machine according to claim 3, wherein said driving assembly comprises a motor, and the output end of said motor is fixedly connected to the end of said main shaft body (10) far from said mold (11), in order to ensure the spinning efficiency of said first spinning wheel (7) and said second spinning wheel (8), the actual power of said motor should be greater than the target power of said motor, and the target power of said motor is calculated by the following steps:
step 1: calculating a target driving torque of the motor to the main shaft body (10) by formula (1):
wherein ,M1For a target drive torque, m, of the motor to the spindle body (10)2Is the mass of the main shaft body (10), D2Is the maximum diameter of the die (11), pi is the circumference ratio, pi is 3.14, n2Is that it isPreset minimum rotation speed r of main shaft body (10)1Is the radius, eta, of the main shaft body (10)1For the transmission efficiency between the first spinning wheel (7) and the material sheet (12), r2Is the radius of the web (12) /)1Is the axial length h of the die (11)1Is the thickness of the web (12) /)2Is the rolling friction arm of the first spinning wheel (7) on the material sheet (12), sigma is the yield strength of the material used for the material sheet (12), r3The radius of the first spinning wheel (7) is defined, and s is the propelling quantity of the first spinning wheel (7) along the axial direction of the main shaft body (10) per second;
step 2: calculating a target power of the motor by formula (2) based on the calculation result of step 1:
wherein ,P1For a target power of the motor, M1Target drive torque n of the motor to the spindle body (10) calculated for the formula (1)2Is a preset minimum rotation speed, eta, of the main shaft body (10)2For a predetermined working efficiency, η, of the machine3The mechanical transmission efficiency between the motor and the main shaft body (10);
and step 3: and selecting the motor according to the calculation result of the formula (2), so that the rated power of the motor is larger than the target power of the motor calculated by the formula (2).
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| CN202110762642.5A CN113351724B (en) | 2021-07-06 | 2021-07-06 | Double-wheel spinning machine |
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| CN202110762642.5A CN113351724B (en) | 2021-07-06 | 2021-07-06 | Double-wheel spinning machine |
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| CN113351724B CN113351724B (en) | 2023-04-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113857322A (en) * | 2021-09-27 | 2021-12-31 | 江门市盛誉金属制品有限公司 | Numerical control spinning machine |
| CN114367571A (en) * | 2021-12-11 | 2022-04-19 | 张鹏辉 | Numerical control spinning machine tool |
| CN117161195A (en) * | 2023-11-03 | 2023-12-05 | 英飞同仁(江苏)风机有限公司 | Spinning machine for processing fan impeller |
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| CN113351724B (en) | 2023-04-21 |
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