CN210115363U

CN210115363U - Cylinder barrel spinning machine

Info

Publication number: CN210115363U
Application number: CN201920670671.7U
Authority: CN
Inventors: 杨小龙; 项亦群
Original assignee: Zhejiang Sheng Technology Co Ltd
Current assignee: Zhejiang Sheng Technology Co Ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-02-28
Anticipated expiration: 2029-05-10

Abstract

The utility model provides a cylinder barrel spinning-lathe belongs to cylinder assembly technical field, including frame (1) and first spinning mechanism (2A) and second spinning mechanism (2B), still be provided with drive assembly (3) in frame (1), anchor clamps pivot (202) of first spinning mechanism (2A) and anchor clamps pivot (202) of second spinning mechanism (2B) are connected with drive assembly (3) respectively, on spinning mechanism (2), set up spinning wheel one (208) and spinning wheel two (209) in the both sides of main shaft anchor clamps (203), spinning wheel one (208) and spinning wheel two (209) are moved in opposite directions or back of the body phase by moving cutter unit drive it in anchor clamps pivot (202) both sides; the utility model discloses can carry out secondary spinning to cylinder work piece both ends, improve the effect that compresses tightly of cylinder and end cover, improve production efficiency, improve the quality of product.

Description

Cylinder barrel spinning machine

Technical Field

The utility model belongs to the technical field of the cylinder assembly, the cylinder section of thick bamboo spinning-lathe for processing cylinder section of thick bamboo both ends terminal surface is related to specifically saying so.

Background

The cylinder is a cylindrical metal part that guides the piston to reciprocate linearly in the cylinder. The cylinder comprises a cylinder barrel, an end cover, a piston rod, a sealing element and the like. Wherein the cylinder is typically cast from stainless steel and the end cap is cast from an aluminum alloy. In the prior art, after the end cover and the cylinder barrel are preassembled, the cylinder rotates, and the end part of the cylinder barrel is pressed into the end cover through the spinning wheel, so that the end cover and the cylinder barrel are assembled and fixed. However, there is certain defect in the current mode of assembly of end cover and cylinder, and the spinning wheel often is the unilateral setting, causes the application of force inequality at the in-process of extrusion stainless steel cylinder easily, produces and warp, and simultaneously, current cylinder spinning is single-point spinning, and these all make the effect that compresses tightly of cylinder and end cover limited, influence the inside resistance to pressure of cylinder, cause the defective percentage of product higher, and production efficiency is lower.

Being 2015 year 12 month 08 day, application number 201521006265.9's chinese utility model discloses a clamping mechanism for spinning machine forms by two the same device symmetry settings, including the riveting support body, be equipped with the doubly-forced cylinder in the inside of riveting support body, the doubly-forced cylinder passes through cylinder joint and is connected with the drive connection board, is equipped with clamping jig on the drive connection board. The clamping jig is fixed with the driving connecting plate through the clamping jig mounting seat, the clamping jig mounting seat comprises a die fixing plate fixed on the driving connecting plate, a dovetail guide rail is arranged on the die fixing plate and fixed on the clamping jig, the device can improve clamping force, and when the air cylinder is machined, the simultaneous spinning machining of the two ends of the air cylinder barrel cannot be realized.

The Chinese utility model with application number of 201720125065.8 discloses a limit cover flanging spinning machine which comprises a base, a workbench arranged in the middle of the base, spinning mechanisms symmetrically arranged at two sides of the workbench and a pressing mechanism used for pressing a workpiece, wherein the workbench comprises a support plate, a workpiece placing seat arranged on the support plate and a main motor fixed on the support plate for driving the workpiece placing seat to rotate circumferentially; the pressing mechanism comprises a pressure cylinder, a mounting seat fixed on a piston rod of the pressure cylinder and a pressing block rotatably connected to the mounting seat, an auxiliary cylinder is arranged in the mounting seat, a linkage block is fixed on a piston rod of the auxiliary cylinder, an opening for the linkage block to extend out is formed in the pressing block, and a workpiece placing seat is provided with a linkage block (a first square groove matched with the linkage block.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome among the above-mentioned prior art can't carry out the technical problem of two-way spinning processing simultaneously to the cylinder both ends of cylinder, provide one kind can carry out two-way spinning simultaneously to the cylinder both ends of cylinder, make cylinder and end cover fixed, have and compress tightly effectual, the cylinder spinning-lathe of whole assembly efficiency height.

In order to achieve the above object, the utility model adopts the following technical scheme: a cylinder barrel spinning machine comprises a rack and two spinning mechanisms, namely a first spinning mechanism and a second spinning mechanism, which are arranged on the rack oppositely, wherein the spinning mechanisms comprise a main shaft fixture for clamping a cylinder workpiece and a fixture rotating shaft connected with the main shaft fixture; the machine frame is also provided with a transmission assembly, a fixture rotating shaft of the first spinning mechanism and a fixture rotating shaft of the second spinning mechanism are respectively connected with the transmission assembly, and the transmission assembly drives the fixture rotating shaft of the first spinning mechanism and the fixture rotating shaft of the second spinning mechanism to synchronously rotate so as to drive the cylinder workpiece to rotate; and the rotary pressing wheel I and the rotary pressing wheel II are driven by the cutter moving assembly to move in opposite directions or back directions on two sides of the rotating shaft of the clamp.

The utility model discloses in, adopt double knives spinning, extrude simultaneously from the both sides of cylinder work piece, the atress of cylinder work piece is more balanced, is difficult for producing and warp, and the cylinder is better with compressing tightly of end cover.

As a further improvement measure of the utility model, above-mentioned cylinder section of thick bamboo spinning-lathe still is provided with the secondary positioning driving piece that is used for driving spinning wheel one and two axial displacement of spinning wheel on spinning mechanism.

The utility model discloses in, through the position that changes spinning wheel one and spinning wheel two, can carry out secondary spinning to the cylinder work piece, make the deformation portion after the secondary spinning turn over the higher authority of pressing the deformation portion after the first spinning, further improve the effect that compresses tightly of cylinder and end cover like this.

As a further improvement measure of the present invention, in the above-mentioned cylinder barrel spinning machine, the spinning mechanism includes a main spindle box, the clamp rotating shaft is axially inserted therein, and the front end of the clamp rotating shaft protrudes out of the main spindle box and is connected with the main spindle clamp; the main shaft box is connected with a tool rest in a sliding mode, one end of the secondary positioning driving piece is fixedly connected with the main shaft box through a secondary positioning fixing block, the other end of the secondary positioning driving piece is fixedly connected with the tool rest, and the secondary positioning driving piece drives the tool rest to move axially.

As a further improvement measure of the utility model, the cylinder barrel spinning machine has the advantages that the tool rest comprises a tool rest end plate positioned above the main shaft fixture, the left side and the right side of the tool rest end plate are respectively provided with a sliding plate, namely a spinning roller sliding plate I and a spinning roller sliding plate II, and the spinning roller sliding plate I and the spinning roller sliding plate II can slide left and right on the tool rest end plate; the spinning wheel I is fixed at the bottom of the spinning wheel sliding plate I, and the spinning wheel II is fixed at the bottom of the spinning wheel sliding plate II; the cutter moving component is arranged on the cutter frame and comprises an eccentric wheel, an eccentric wheel driving piece and a connecting rod; the eccentric wheel is connected with the first spinning wheel sliding plate and the second spinning wheel sliding plate through connecting rods respectively; the eccentric wheel driving part drives the eccentric wheel to rotate, and then drives the first spinning wheel sliding plate and the second spinning wheel sliding plate to move oppositely or back to back.

As a further improvement measure of the utility model, the knife edges of the first spinning wheel and the second spinning wheel of the spinning machine of the cylinder barrel are both in the shape of '∠', and the plane where the first spinning wheel and the second spinning wheel are located is perpendicular to the axis of the rotating shaft of the clamp.

As the utility model discloses a further improvement measure, above-mentioned cylinder barrel spinning-lathe, first spinning mechanism pass through the fixed rack mount and establish in the frame, and second spinning mechanism sets up on the slip table subassembly, drives second spinning mechanism axial displacement through the slip table subassembly, and is close or leaves mutually with first spinning mechanism.

As a further improvement measure of the present invention, in the cylinder barrel spinning machine, the sliding table assembly includes a sliding table rack, a sliding table guide rail and a sliding table driving member, the sliding table guide rail is laid on two sides in front of the first spinning mechanism, the sliding table rack is mounted on the sliding table guide rail, the sliding table driving member is connected with the sliding table rack through a ball screw, and the sliding table rack is driven by the sliding table driving member to move axially along the sliding table guide rail; the second spinning mechanism is fixedly arranged on the sliding rack.

As a further improvement measure of the utility model, the transmission assembly of the cylinder barrel spinning machine comprises a main shaft rotating motor and a ball spline rotating shaft, and the ball spline rotating shaft is connected with the main shaft rotating motor and is driven by the main shaft rotating motor to rotate; the ball spline is sleeved with a first driving wheel and a second driving wheel, the fixture rotating shaft of the spinning mechanism is correspondingly sleeved with a driven wheel, the first driving wheel is located below the driven wheel of the first spinning mechanism and connected through a synchronous belt, and the second driving wheel is located below the driven wheel of the second spinning mechanism and connected through the synchronous belt.

As a further improvement measure of the utility model, the first driving wheel of the cylinder barrel spinning machine is locked and connected with the ball spline rotating shaft and can synchronously rotate along with the ball spline rotating shaft; the second driving wheel is in sliding connection with the ball spline rotating shaft, can synchronously rotate along with the ball spline rotating shaft, and can axially move along the ball spline rotating shaft.

As a further improvement measure of the utility model, a support component for supporting the cylinder workpiece is also arranged between the first spinning mechanism and the second spinning mechanism of the cylinder barrel spinning machine; the supporting component comprises a supporting plate and a supporting rod, the supporting plate is positioned between the first spinning mechanism and the second spinning mechanism, and the supporting rod is arranged on the supporting plate and used for supporting the cylinder workpiece; the supporting plate is also provided with a supporting driving piece, the supporting rod is arranged at the movable end of the supporting driving piece, the supporting driving piece drives the supporting rod to move up and down, and the cylinder workpiece is held up or released.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the utility model adopts the double spinning wheels to spin, and the two sides of the cylinder workpiece are extruded simultaneously, so that the stress of the cylinder workpiece is more balanced and the cylinder workpiece is not easy to deform; meanwhile, the front and back positions of the first spinning wheel and the second spinning wheel are changed, so that secondary spinning can be performed on the cylinder workpiece, the compression effect of the cylinder barrel and the end cover is improved, the pressure resistance inside the cylinder is improved, the defective rate of products is reduced, and the production efficiency is improved; the manufacturing cost is reduced.

2. The utility model discloses in, through two spinning mechanisms simultaneously to the rotatory extrusion in cylinder work piece both ends, assemble the end cover on cylinder both sides simultaneously, so can improve the centre gripping stability, also improved production efficiency.

3. The utility model discloses in, first spinning mechanism fixes in the frame, and second spinning mechanism can slide around in the frame, so makes things convenient for getting of cylinder work piece to put, and the transmission assembly overall arrangement is in two spinning mechanism's below, and overall structure is compact, design benefit.

4. The utility model discloses in, the rotatory control that drives the connecting rod through the rotatory angle skew that takes place of spinning wheel one and spinning wheel two by the cutter unit spare that moves, then area spinning wheel slide one and spinning wheel slide two or remove left or right, form left, the two opposite directions of spinning wheel or back of the body phase shift, the design is exquisite, saves space.

5. The utility model provides a cylinder spinning-lathe, the mobile regulation of interval of two spinning mechanisms can assemble according to cylinder element's length control interval, is suitable for the cylinder of different specifications, and the range of application is extensive.

Drawings

Fig. 1 is a perspective view of the overall structure of the embodiment of the present invention.

Fig. 2 is a perspective view of the overall structure at another angle according to the embodiment of the present invention.

Fig. 3 is a front view of the overall structure of the embodiment of the present invention.

Fig. 4 is a perspective view of a first spinning mechanism according to an embodiment of the present invention.

Fig. 5 is a top view of the first spinning mechanism according to the embodiment of the present invention.

FIG. 6 is a schematic diagram of a cylinder workpiece prior to spinning.

Fig. 7 is an enlarged view of a portion a in fig. 6.

Fig. 8 is a schematic view of the cylinder workpiece of fig. 7 after first spinning.

Fig. 9 is a schematic illustration of the effect of the cylinder workpiece of fig. 7 after a second spinning.

Description of reference numerals: 1. a frame; 2. a spinning mechanism; 2A, a first spinning mechanism; 2B, a second spinning mechanism; 201. a main spindle box; 202. a clamp rotating shaft; 203. A spindle clamp; 204. a tool holder; 205. a tool holder end plate; 206. a spinning wheel sliding plate I; 207. a spinning wheel sliding plate II; 208. a spinning wheel I; 209. a second spinning wheel; 210. an eccentric wheel; 211. a connecting rod; 212. an eccentric wheel driving member; 213. a speed reducer; 214. secondary positioning of the driving member; 215. a tool holder slide rail; 216. a secondary positioning fixed block; 3. a transmission assembly; 31. a spindle rotating motor; 32. a ball spline shaft; 33. a ball spline shaft sleeve; 331. a flange portion; 332. a shaft cylinder portion; 34. a first drive wheel; 35. a second drive wheel; 36. a driven wheel; 37. a synchronous belt; 4. a fixed rack; 5. a sliding table assembly; 51. a sliding rack; 52. a sliding table guide rail; 53. a sliding table driving member; 54. a ball screw; 6. a support assembly; 61. a support plate; 62. a support bar; 63. supporting the driving member; 64. locking screws; 7. a cylinder workpiece; 71. a cylinder barrel; 72. an end cap; 73. the end part of the cylinder barrel; 74. pressing a groove at the cylinder end; 75. a second spinning point; 76. and (4) end cover crimping.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in order to provide a better understanding of the present invention to the public, certain specific details are set forth in the following detailed description of the invention. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details.

It is noted that, as used herein, the terms "horizontal," "longitudinal," "upper," "lower," "left," "right," and the like are used in conjunction with the drawings for purposes of illustrating the structure and relative positioning of various parts.

Example (b): as shown in fig. 1-9, a cylinder barrel spinning machine includes a frame 1 and two spinning mechanisms 2 installed on the frame and arranged oppositely, that is, a first spinning mechanism 2A and a second spinning mechanism 2B, the spinning mechanisms 2 include a main shaft clamp 203 for clamping a cylinder workpiece 7 and a clamp rotating shaft 202 connected with the main shaft clamp 203, the main shaft clamp 203 of the first spinning mechanism 2A and the main shaft clamp 203 of the second spinning mechanism 2B cooperate to clamp two ends of the cylinder workpiece 7; the rack 1 is also provided with a transmission component 3, a fixture rotating shaft 202 of the first spinning mechanism 2A and a fixture rotating shaft 202 of the second spinning mechanism 2B are respectively connected with the transmission component 3, and the transmission component 3 drives the fixture rotating shaft 202 of the first spinning mechanism 2A and the fixture rotating shaft 202 of the second spinning mechanism 2B to synchronously rotate so as to drive the cylinder workpiece 7 to rotate; on the spinning mechanism 2, spinning wheels, namely a spinning wheel one 208 and a spinning wheel two 209, are arranged on both sides of the spindle clamp 203, and the spinning wheels one 208 and the spinning wheel two 209 are driven by the tool moving assembly to move in opposite directions or back directions on both sides of the clamp rotating shaft (202). The spinning mechanism 2 is further provided with a secondary positioning driving element 214 for driving the spinning wheel one 208 and the spinning wheel two 209 to axially move.

The utility model adopts the double spinning wheels to spin, and the two sides of the cylinder workpiece 7 are extruded simultaneously, so that the stress of the cylinder workpiece 7 is more balanced and the cylinder workpiece is not easy to deform; meanwhile, the cylinder workpiece can be spun for the second time by changing the positions of the spinning wheel I208 and the spinning wheel II 209, so that the compression effect of the cylinder barrel 71 and the end cover 72 is further improved, the pressure resistance in the cylinder is improved, the defective rate of products is reduced, and the production efficiency is improved; the manufacturing cost is reduced. Simultaneously, the two spinning mechanisms 2 simultaneously rotate and extrude the two ends of the cylinder workpiece, and simultaneously assemble the end covers on the two sides of the cylinder barrel, so that the clamping stability is improved, and the production efficiency is also improved.

The spinning mechanism 2 comprises a spindle box 201, a clamp rotating shaft 202 penetrates through the spindle box 201 in the axial direction, and the front end of the clamp rotating shaft 202 protrudes out of the spindle box 201 and is connected with a spindle clamp 203; the main spindle box 201 is connected with a tool post 204 in a sliding mode, one end of a secondary positioning driving piece 214 is fixedly connected with the main spindle box 201 through a secondary positioning fixing block 216, the other end of the secondary positioning driving piece 214 is fixedly connected with the tool post 204, and the secondary positioning driving piece 214 drives the tool post 204 to move axially.

The tool rest 204 comprises a tool rest end plate 205 positioned above the spindle clamp 203, sliding plates, namely a first spinning wheel sliding plate 206 and a second spinning wheel sliding plate 207, are respectively arranged on the left and right of the tool rest end plate 205, and the first spinning wheel sliding plate 206 and the second spinning wheel sliding plate 207 can slide left and right on the tool rest end plate 205; the spinning wheel I208 is fixed at the bottom of the spinning wheel sliding plate I206, and the spinning wheel II 209 is fixed at the bottom of the spinning wheel sliding plate II 207.

The blade in the embodiment of the invention can not only obliquely press the cylinder end 73 of the cylinder workpiece 7 into the cylinder end indent 74 to form the curled edge of the cylinder end 73, but also cut the material, cut the rim material of the end cover 72 to form a curled cover outside the cylinder end indent 74, namely the cylinder end 73, to form the covered edge of the cylinder end 73, to ensure the pressing effect of the end cover 72 and the cylinder 71 of the cylinder workpiece 7, and prevent the cylinder 71 from falling off from the end cover 72.

As shown in fig. 1, 2, 4, and 5, the knife moving assembly is disposed on the knife rest 204, and includes an eccentric wheel 210, an eccentric wheel driving member 212, and connecting rods 211, where the number of the connecting rods 211 is 4, one end of each connecting rod 211 is movably connected to the first spinning wheel sliding plate 206 and the second spinning wheel sliding plate 207, the other end of each connecting rod 211 is movably connected to the eccentric wheel 210, and four connecting points on the eccentric wheel 210 are uniformly distributed in the circumferential direction, so that the eccentric wheel 210 is connected to the first spinning wheel sliding plate 206 and the second spinning wheel sliding plate 207 through the connecting rods 211, and when the eccentric wheel driving member 212 drives the eccentric wheel 210 to rotate, the first spinning wheel sliding plate 206 and the second spinning wheel sliding plate 207 are driven to move toward. The utility model discloses in, the rotatory wheel 208 and the two 209 control of moving knife tackle spares of rotatory wheel, and the rotatory connecting rod 211 that drives through eccentric wheel 210 takes place the angular deviation, then takes the rotatory wheel slide 206, the two 207 of rotatory wheel slide remove left or right, forms left, the two opposite directions of rotatory wheel or remove mutually, and the design is exquisite, saves space. In this embodiment, the first spinning wheel sliding plate 206 or the second spinning wheel sliding plate 207 is connected to the eccentric wheel 210 through two connecting rods 211, so that the sliding movement of the sliding plate can be improved, and stable support is provided for spinning of the side portion of the spinning wheel. The eccentric wheel 210, the connecting rod 211, the first spinning wheel sliding plate 206 and the second spinning wheel sliding plate 207 form a crank rocker together, so that the structural space of the equipment can be saved, and the moving stability of the first spinning wheel sliding plate 206 or the second spinning wheel sliding plate 207 can be improved.

In this embodiment, the eccentric wheel driving member 212 is a servo cylinder, and a speed reducer 213 is further disposed between the eccentric wheel 210 and the eccentric wheel driving member 212, so as to precisely control the rotation angle of the eccentric wheel 210 and ensure the spinning quality of the cylinder workpiece 7.

As shown in fig. 1, the utility model discloses in, first spinning mechanism 2A establishes on frame 1 through the 4 mounts of fixed rack, and second spinning mechanism 2B sets up on slip table subassembly 5, drives second spinning mechanism 2B axial displacement through slip table subassembly 5, and is close or leaves mutually with first spinning mechanism 2A. Therefore, space is provided for taking and placing the cylinder workpiece 7, the cylinder workpiece is convenient to take and place, and meanwhile, the cylinder workpiece can be suitable for assembling cylinders of different specifications and models. The sliding table assembly 5 comprises a sliding table rack 51, a sliding table guide rail 52 and a sliding table driving piece 53, wherein the sliding table guide rail 52 is laid on two sides in front of the first spinning mechanism 2A, the sliding table rack 51 is installed on the sliding table guide rail 52, the sliding table driving piece 53 is connected with the sliding table rack 51 through a ball screw 54, and the sliding table driving piece 53 drives the sliding table rack 51 to move axially along the sliding table guide rail 52; the second spinning mechanism 2B is fixedly mounted on the slide table 51. In this embodiment, the sliding table driving member 53 is positioned by servo numerical control, and the sliding table frame 51 can be controlled to move in and out according to the length of the cylinder, so that the application range of the cylinder spinning machine of the cylinder is expanded.

As shown in fig. 1 and 2, the transmission assembly 3 includes a spindle rotating motor 31, a ball spline rotating shaft 32, and the ball spline rotating shaft 32 is connected to the spindle rotating motor 31 and is driven by the spindle rotating motor 31 to rotate; the ball spline rotating shaft 32 is sleeved with a first driving wheel 34 and a second driving wheel 35, the clamp rotating shaft 202 of the spinning mechanism 2 is correspondingly sleeved with a driven wheel 36, the first driving wheel 34 is located below the driven wheel 36 of the first spinning mechanism 2A and connected through a synchronous belt 37, and the second driving wheel 35 is located below the driven wheel 36 of the second spinning mechanism 2B and connected through the synchronous belt 37. The transmission assembly is arranged below the two spinning mechanisms, the whole structure is compact, the design is ingenious, the ball spline rotating shaft 32 is used as a transmission shaft, accessories on the transmission shaft can do rotating motion and translational motion along the axis, the main shaft rotating motor 31 drives the first driving wheel 34 and the second driving wheel 35 to synchronously rotate, the processing is more accurate, and materials can be saved.

The first driving wheel 34 is in locking connection with the ball spline rotating shaft 32 and can synchronously rotate along with the ball spline rotating shaft 32; the second driving pulley 35 is slidably connected to the ball spline shaft 32, and can rotate synchronously with the ball spline shaft 32 and move axially along the ball spline shaft 32.

The ball spline shaft sleeve 33 comprises a flange part 331 which can only move linearly and a shaft barrel part 332 which can synchronously rotate along with the ball spline rotating shaft 32 and can move linearly, and the shaft barrel part passes through the flange part and is movably connected with the flange part; the flange part is fixedly connected with the sliding rack 51, and the second driving wheel 35 is sleeved outside the shaft barrel part; when the spindle rotation motor 31 is started to drive the ball spline rotating shaft 32 to rotate, the first driving wheel 34, the shaft cylinder portion 332 and the second driving wheel 35 rotate synchronously, the driven wheels 36 on the first spinning mechanism 2A and the second spinning mechanism 2B are driven to rotate through the synchronous belt 37, the fixture rotating shafts 202 of the first spinning mechanism 2A and the second spinning mechanism 2B are driven to rotate synchronously, and finally the rotation of the cylinder workpiece 7 is achieved.

So, second spinning mechanism 2B forms a whole and can follow ball spline pivot 32 axial displacement with sliding rack 51, ball spline axle sleeve 33, second action wheel 35, and second action wheel 35 can independently rotate along with ball spline pivot 32 again, and overall structure is exquisite, design benefit.

As shown in fig. 1, 2 and 3, a support assembly 6 for supporting a cylinder workpiece 7 is further mounted between the first spinning mechanism 2A and the second spinning mechanism 2B; the supporting assembly 6 comprises a supporting plate 61 and a supporting rod 62, the supporting plate 61 is positioned between the first spinning mechanism 2A and the second spinning mechanism 2B, and the supporting rod 62 is installed on the supporting plate 61 and used for supporting the cylinder workpiece 7; the supporting plate 61 is further provided with a supporting driving member 63, the supporting rod 62 is arranged at the movable end of the supporting driving member 63, and the supporting driving member 63 drives the supporting rod 62 to move up and down to lift or release the cylinder workpiece 7. The support plate 61 is also provided with a locking screw 64 for locking the position of the support plate 61 during operation of the apparatus.

The support rod 62 is Y-shaped, but may be C-shaped or other groove-like structure for supporting the cylinder tube 71 of the cylinder workpiece 7. Before the two ends of the cylinder workpiece 7 are clamped and after the end covers 72 are spun, the supporting rods 62 support the cylinder workpiece 7.

As shown in fig. 6 to 9, the cylinder element 7 in this embodiment includes a cylinder 71 and end caps 72 at two ends (the end caps 72 at two ends of the cylinder element 7 are not necessarily the same in shape, and the shapes or clamping states of the spindle clamps 203 on the first spinning mechanism 2A and the second spinning mechanism 2B may not be the same, but the spindle clamps 203 on the two spinning mechanisms 2 are at the same horizontal height, and the axes are coincident, and the cylinder-cylinder spinning machine is applicable to cylinders of various types), the cylinder 71 is made of stainless steel, and the end caps 72 are made of aluminum alloy; the ring wall on the end cover 72 is provided with a cylinder end pressing groove 74, the end covers 72 at two ends are firstly plugged into the cylinder 71, and the end part 73 of the cylinder is abutted against the outward side wall of the cylinder end pressing groove 74 to form the cylinder element 7 to be assembled and spun. The cylinder end pressing groove 74 is a first spinning point, a second spinning point 75 is arranged on the end cover 72 and at the position, close to the outside, of the cylinder end pressing groove 74, and the interval between the cylinder end pressing groove 74 and the second spinning point 75 is only about 2 mm.

The action process of the cylinder barrel spinning machine provided by the embodiment is as follows:

the position of the support rod 62 is determined by the length of the cylinder element 7, and the position of the support plate 61 on the slide rail 52 is locked by the locking screw 64. The support driving member 63 drives the support rod 62 to ascend, and the cylinder element 7 is placed on the support rod 62 and supported thereby. The sliding table driving part 53 drives the sliding table frame 51 to move towards the fixed table frame 4, and drives the second spinning mechanism 2B to move towards the first spinning mechanism 2A, the spindle clamps 203 of the two spinning mechanisms 2 clamp two ends of the cylinder element 7, namely respectively clamp the left end cover 72 and the right end cover 72, the clamping positions are outside the second spinning point 75, and after clamping, the supporting driving part 63 drives the supporting rod 62 to descend, so that the rotating space of the cylinder element 7 is reserved.

The spindle rotating motor 31 is started to drive the ball spline rotating shaft 32 to rotate, the first driving wheel 34 and the second driving wheel 35 rotate synchronously, the driven wheels 36 on the first spinning mechanism 2A and the second spinning mechanism 2B are driven to rotate through the synchronous belt 37 respectively, and then the clamp rotating shafts 202 of the first spinning mechanism 2A and the second spinning mechanism 2B are driven to rotate synchronously, and finally the rotation of the cylinder workpiece 7 is realized.

As shown in fig. 1, 2, 4, and 5, the spinning processes of the first spinning mechanism 2A and the second spinning mechanism 2B are the same. The eccentric wheel 210 rotates under the driving of the eccentric wheel driving part 212 and the speed reducer 213, and drives the connecting rod 211 to pull the first spinning wheel sliding plate 206 to move rightwards and the second spinning wheel sliding plate 207 to move leftwards, so that the first spinning wheel 208 and the second spinning wheel 209 move towards each other, and simultaneously extrude the rotating cylinder workpiece 7, and what is extruded at this moment is a first spinning point: the cylinder end pressing groove 74 presses the cylinder end 73 covering the outside of the cylinder end pressing groove 74 into the cylinder end pressing groove 74, and a curl of the cylinder end 73 is formed, as shown in fig. 8.

After the first spinning, the eccentric wheel 210 rotates reversely, so as to drive the connecting rod 211 to pull the spinning wheel sliding plate I206 to move leftwards and the spinning wheel sliding plate II 207 to move rightwards, and the spinning wheel I208 and the spinning wheel II 209 move away from each other to the outer side of the cylinder workpiece 7. The secondary positioning driving element 214 drives the tool holder 204 to move backward along the tool holder slide rail 215, so that the first spinning wheel 208 and the second spinning wheel 209 reach the outer side of the second spinning point 75. The eccentric wheel 210 rotates again, the first spinning wheel 208 and the second spinning wheel 209 simultaneously extrude the second spinning point 75, the rim charge of the end cover 72 is cut out to form a turning covering the cylinder end pressing groove 74, namely the outside of the cylinder end 73, and a wrapping edge for the cylinder end 73 is formed, as shown in fig. 9, so that the pressing effect and the pressure resistance of the assembly of the end cover 72 and the cylinder 71 are greatly improved.

After the second spinning, the eccentric wheel 210 rotates reversely, the spinning wheel one 208 and the spinning wheel two 209 move away from each other, the supporting rod 62 is lifted to support the cylinder element 7, the main shaft clamp 203 loosens the end cover 72, the tool rest 204 returns to the original position of the first spinning, the second spinning mechanism 2B is driven by the sliding table driving part 53 and then moves out of the material taking space, and the assembled cylinder element 7 is to be taken away to wait for the next spinning.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and those skilled in the art can make modifications and improvements without departing from the scope of the present invention.

Claims

1. A cylinder barrel spinning machine is characterized by comprising a frame (1) and two spinning mechanisms (2) which are arranged oppositely and arranged on the frame, namely a first spinning mechanism (2A) and a second spinning mechanism (2B), the spinning mechanism (2) comprises a main shaft clamp (203) for clamping a cylinder workpiece (7) and a clamp rotating shaft (202) connected with the main shaft clamp (203), a transmission component (3) is also arranged on the frame (1), a clamp rotating shaft (202) of the first spinning mechanism (2A) and a clamp rotating shaft (202) of the second spinning mechanism (2B) are respectively connected with the transmission component (3), a spinning wheel I (208) and a spinning wheel II (209) are arranged on two sides of a main shaft clamp (203) on a spinning mechanism (2), and the spinning wheel I (208) and the spinning wheel II (209) are driven by a cutter moving assembly to move in opposite directions or back directions on two sides of a clamp rotating shaft (202).

2. The cylinder barrel spinning machine according to claim 1, characterized in that the spinning mechanism (2) is further provided with a secondary positioning driving member (214) for driving the spinning wheel one (208) and the spinning wheel two (209) to move axially.

3. The cylinder barrel spinning machine according to claim 2, characterized in that the spinning mechanism (2) comprises a main spindle box (201), wherein the clamp rotating shaft (202) penetrates in the axial direction, and the front end of the clamp rotating shaft (202) protrudes out of the main spindle box (201) and is connected with the main spindle clamp (203); a tool rest (204) is connected onto the spindle box (201) in a sliding mode, one end of a secondary positioning driving piece (214) is fixedly connected with the spindle box (201) through a secondary positioning fixing block (216), the other end of the secondary positioning driving piece is fixedly connected with the tool rest (204), and the secondary positioning driving piece (214) drives the tool rest (204) to move axially.

4. The cylinder barrel spinning machine according to claim 3, wherein the tool holder (204) comprises a tool holder end plate (205) positioned above the main shaft fixture (203), sliding plates are respectively arranged on the left and the right of the tool holder end plate (205), namely a spinning wheel sliding plate I (206) and a spinning wheel sliding plate II (207), the spinning wheel I (208) is fixed at the bottom of the spinning wheel sliding plate I (206), and the spinning wheel II (209) is fixed at the bottom of the spinning wheel sliding plate II (207); the cutter moving assembly is arranged on the cutter frame (204) and comprises an eccentric wheel (210), an eccentric wheel driving piece (212) and a connecting rod (211); the eccentric wheel (210) is connected with the first spinning wheel sliding plate (206) and the second spinning wheel sliding plate (207) through connecting rods (211) respectively; the eccentric wheel driving part (212) drives the eccentric wheel (210) to rotate, and then drives the first spinning wheel sliding plate (206) and the second spinning wheel sliding plate (207) to move towards or away from each other.

5. The cylinder barrel spinning machine of any one of claims 1-4, characterized in that the cutting edges of the spinning wheel I (208) and the spinning wheel II (209) are both in the shape of '∠', and the planes of the spinning wheel I (208) and the spinning wheel II (209) are perpendicular to the axis of the rotating shaft (202) of the clamp.

6. The cylinder barrel spinning machine according to claim 1, characterized in that the first spinning mechanism (2A) is fixed on the frame (1) by a fixing stand (4), and the second spinning mechanism (2B) is arranged on the sliding table assembly (5).

7. The cylinder barrel spinning machine according to claim 6, wherein the slide table assembly (5) comprises a slide table frame (51), slide table guide rails (52) and a slide table driving member (53), the slide table guide rails (52) are laid on two sides in front of the first spinning mechanism (2A), the slide table frame (51) is mounted on the slide table guide rails (52), the slide table driving member (53) is connected with the slide table frame (51) through a ball screw (54), and the slide table driving member (53) drives the slide table frame (51) to move axially along the slide table guide rails (52); the second spinning mechanism (2B) is fixedly arranged on the sliding rack (51).

8. The cylinder barrel spinning machine according to claim 1, characterized in that the transmission assembly (3) comprises a spindle rotating motor (31), a ball spline shaft (32), the ball spline shaft (32) is connected with the spindle rotating motor (31) and is driven by the spindle rotating motor to rotate; the cover is equipped with first action wheel (34) on ball spline pivot (32), second action wheel (35), it is equipped with from driving wheel (36) to correspond the cover on anchor clamps pivot (202) of spinning mechanism (2), first action wheel (34) are located the below of follow driving wheel (36) of first spinning mechanism (2A), and connect through hold-in range (37), second action wheel (35) are located the below of follow driving wheel (36) of second spinning mechanism (2B), and connect through hold-in range (37).

9. The cylinder barrel spinning machine according to claim 8, characterized in that the first driving wheel (34) is lockingly connected to the ball spline shaft (32) and can rotate synchronously with the ball spline shaft (32); the second driving wheel (35) is in sliding connection with the ball spline rotating shaft (32), can synchronously rotate along with the ball spline rotating shaft (32), and can axially move along the ball spline rotating shaft (32).

10. The cylinder barrel spinning machine according to claim 1, characterized in that a support assembly (6) for supporting a cylinder workpiece (7) is further installed between the first spinning mechanism (2A) and the second spinning mechanism (2B); the supporting component (6) comprises a supporting plate (61) and a supporting rod (62), the supporting plate (61) is positioned between the first spinning mechanism (2A) and the second spinning mechanism (2B), and the supporting rod (62) is arranged on the supporting plate (61) and used for supporting the cylinder workpiece (7); the supporting plate (61) is also provided with a supporting driving piece (63), and the supporting rod (62) is arranged at the movable end of the supporting driving piece (63).