A piston rod straightening and cutting device

Abstract

The present invention relates to a piston rod straightening and cutting device, and relates to the technical field of metal rod processing, which comprises a bottom plate, the upper end surface of the bottom plate is provided with a straightening device and a cutting device for cutting the piston rod, the straightening device and the cutting device are located at one end of the bottom plate, and the other end of the bottom plate is provided with a pushing cylinder, the piston rod of the pushing cylinder is connected with a sliding plate, the sliding plate is slidably connected to the upper end surface of the bottom plate, a lifting cylinder is vertically provided on the sliding plate, the piston rod of the lifting cylinder is fixedly connected with a connecting block, two lifting plates are fixedly connected to the connecting block, the lifting plates are extended along the length direction of the bottom plate, the upper end surface of the bottom plate is provided with a plurality of rows of support columns for supporting the piston rod, the support columns and the lifting plates are staggered, and the cutting part of the cutting device is provided with a connecting ring for providing support for the piston rod. The present invention effectively avoids bending or twisting of the piston rod by adding a connecting ring, which is conducive to improving the assembly accuracy and use performance of the piston rod.

Description

Technical Field

[0001] The invention relates to the technical field of metal rod processing, in particular to a piston rod straightening and cutting device. Background Art

[0002] The piston rod straightening and cutting equipment is a special machine used for processing piston rods, mainly used in automobile manufacturing and maintenance industries. The piston is one of the key components in the internal combustion engine, and the piston rod is an important component connecting the piston and the connecting rod, responsible for converting the reciprocating motion of the piston into the rotational motion of the crankshaft. In order to ensure the smoothness and reliability of the engine operation, the piston rod must have very high straightness and length requirements.

[0003] Related technology can refer to the patent with announcement number CN214023727U, which discloses a continuous cutting device for metal rods, involving the field of metal parts processing technology, including a base, an outer rotating drum is arranged above the base, fixed end seats are arranged on both sides of the outer rotating drum, the fixed end seats are fixedly connected to the base, the outer rotating drum is rotatably connected to the fixed end seats, one of the fixed end seats is fixedly connected to a driving motor, the output shaft of the driving motor is coaxially fixedly connected to the outer rotating drum, a continuous conveying device is arranged in the outer rotating drum, a feeding table is fixedly connected to the base on one side of the outer rotating drum, a feeding device is fixedly arranged on the top of the feeding table, and a cutting device is arranged on the side of the outer rotating drum away from the feeding device. This application can realize the sequential continuous conveying of multiple metal rods through the continuous conveying device, and the metal rods can be cut and cut in sequence by setting the cutting device. The cutting speed of the metal rods is fast, and the feeding and unloading are convenient, easy to use and operate, and can greatly improve the processing efficiency of the metal rods.

[0004] With regard to the above-mentioned related technologies, when the piston rod is cut, its cutting position lacks support. The lack of support will cause the piston rod to bend or twist due to its own gravity or cutting force during the cutting process, which is more obvious when cutting longer or thinner piston rods. This deformation will directly affect the straightness and parallelism of the piston rod, and thus affect its assembly accuracy and performance. Therefore, a new type of piston rod straightening and cutting equipment is urgently needed to solve the above problems. Summary of the invention

[0005] In order to improve the assembly accuracy and use performance of a piston rod, the present invention provides a piston rod straightening and cutting device.

[0006] The present invention provides a piston rod straightening and cutting device, which adopts the following technical solution:

[0007] A piston rod straightening and cutting equipment comprises a base plate, the upper end surface of the base plate is provided with a straightening device and a cutting device for cutting the piston rod, the straightening device and the cutting device are located at one end of the base plate, and a pushing cylinder is provided at the other end of the base plate, the piston rod of the pushing cylinder is connected to a sliding plate, the sliding plate is slidably connected to the upper end surface of the base plate, a lifting cylinder is vertically provided on the sliding plate, the piston rod of the lifting cylinder is fixedly connected to a connecting block, two lifting plates are fixedly connected to the connecting block, the two lifting plates are respectively horizontally arranged at two ends of the connecting block, the lifting plates are extended along the length direction of the base plate, the upper end surface of the base plate is provided with several rows of support columns for supporting the piston rod, the support columns and the lifting plates are staggered, and a connecting ring for providing support for the piston rod is provided at the cutting part of the cutting device.

[0008] By adopting the above technical solution, when the piston rod needs to be straightened and cut, the staff first transports the piston rod to the lifting plate, and then starts the pushing cylinder, which transports the piston rod to the straightening device and the cutting device in turn, and then starts the lifting cylinder, which places the piston rod on the support column for subsequent operations. During cutting, the connecting ring will provide additional support to the cutting point of the piston rod, thereby effectively preventing the piston rod from bending or twisting, which is beneficial to improving the assembly accuracy and performance of the piston rod.

[0009] Optionally, the straightening device includes two clamping plates, a straightening infrared transmitter and a receiving plate, a clamping screw is provided in the base plate, the clamping screw is extended along the width direction of the base plate, a clamping motor is provided on one side of the base plate, the output shaft of the clamping motor is coaxially fixedly connected to the clamping screw, the two clamping plates are respectively threadedly connected to the two ends of the clamping screw, the clamping plates are slidably connected to the base plate, the two clamping plates are arranged opposite to each other, a fixing plate is provided above the clamping plates, a connecting spring is provided between the clamping plates and the fixing plates, the piston rod is located between the two fixing plates, a limiting ring for connecting the two ends of the piston rod is provided on the side of the fixing plate close to the piston rod, a rotating motor is provided on the side of the fixing plate away from the piston rod, the output shaft of the rotating motor passes through the fixing plate and is coaxially fixedly connected to the limiting ring Fixed connection, the straightening infrared transmitter is arranged on one of the fixed plates, and the receiving plate is arranged on the other fixed plate. The straightening infrared transmitter and the receiving plate are arranged opposite to each other. A support plate is arranged on the side of the clamping plate away from the piston rod. The two support plates are arranged opposite to each other, and the support plate is vertically arranged on the upper end surface of the bottom plate. The top of the support plate is fixedly connected with a top plate. The two support plates are arranged at both ends of the top plate. A driving screw is arranged in the top plate, and the driving screw is extended along the length direction of the top plate. A driving motor is arranged on one side of the top plate, and the driving motor is coaxially fixedly connected with the driving screw. A moving block is arranged on the top plate, and a straightening cylinder is arranged in the moving block. The piston rod of the straightening cylinder passes through the moving block and is connected with a straightening head. The straightening head is located directly above the piston rod, and the straightening head is movably connected with the piston rod.

[0010] By adopting the above technical solution, when straightening is required, the staff first starts the clamping motor, and the clamping motor drives the clamping screw to rotate, thereby driving the two clamping plates to move toward each other, and then driving the two fixed plates to move toward each other, so that the position of the piston rod is limited by the limit ring on the fixed plate, and then the rotating motor is started to drive the piston rod to rotate and the position of the piston rod that needs to be straightened is judged through the straightening infrared transmitter, and then the driving motor is started, and the driving motor drives the driving screw to rotate, so that the moving block moves to the position that needs to be straightened, and then the straightening cylinder is started, and the straightening cylinder straightens the straightening position, thereby realizing the straightening of the piston rod, which is easy to operate and is beneficial to improving the movement efficiency of the staff.

[0011] Optionally, the cutting device includes a rotating disc knife and two positioning plates, the two positioning plates are arranged opposite to each other, and the piston rod is located between the two positioning plates. A positioning ring is provided on one of the positioning plates, and the positioning ring is arranged on a side of the positioning plate close to the piston rod. A positioning motor is provided on a side of the positioning plate away from the positioning ring, and the output shaft of the positioning motor passes through the positioning plate and is coaxially fixedly connected to the positioning ring. A positioning cylinder is provided on the other positioning plate, and the positioning cylinder is arranged on a side of the positioning plate away from the piston rod. The piston rod of the positioning cylinder passes through the positioning plate and is fixedly connected with a tightening column, which is movably connected to the piston rod. The two positioning plates are away from the movable A vertical plate is provided on one side of the plug rod, and the two vertical plates are arranged opposite to each other. A sliding rod and a lifting screw are respectively provided in the two vertical plates. The sliding rod and the lifting screw are both arranged vertically. A lifting motor is provided on the top of the lifting screw. The lifting motor is coaxially and fixedly connected with the lifting screw. A lifting plate is horizontally provided between the two vertical plates, one end of the lifting plate is threadedly connected to the lifting screw, and the other end is slidably connected to the sliding rod. The lifting plate is slidably connected to the vertical plate, and a rotating cylinder is provided on the upper end surface of the lifting plate. The piston rod of the rotating cylinder passes through the lifting plate and is fixedly connected to the rotating disc knife. A connecting piece is provided on one side of the rotating disc knife, and the connecting piece is connected to the connecting ring.

[0012] By adopting the above technical solution, when the piston rod needs to be cut, the staff first transports the straightened piston rod to the support column under the cutting device through the lifting plate, and then starts the positioning cylinder, which pushes the piston rod into the positioning ring to fix the piston rod, and then starts the lifting motor, which drives the lifting screw to rotate, thereby driving the lifting plate to fall, and drives the rotating disc knife to fall. When it falls to the top of the piston rod, the staff starts the rotating cylinder, which drives the rotating disc knife to move downward, and starts the positioning motor synchronously, so as to realize the cutting process of the piston rod while rotating. During the cutting process, the device is stable and the incision is uniform, which is conducive to improving the cutting efficiency of the piston rod.

[0013] Optionally, a movable cylinder is provided in the lifting plate, a movable hole is opened on the lifting plate, the movable hole is extended along the length direction of the lifting plate, the piston rod of the movable cylinder is connected to the rotating cylinder and the connecting piece, the rotating cylinder and the connecting piece are both located at the movable hole of the lifting plate, a connecting rod is provided under the lifting plate, the connecting rod is fixedly connected to the support column, the connecting rod is extended along the width direction of the base plate, the connecting rod is a hollow cavity, a telescopic rod is slidably connected in the connecting rod, one end of the telescopic rod is located in the connecting rod, and the other end is fixedly connected to the connecting ring, and a fixing piece for fixing the position of the telescopic rod is provided on the connecting ring.

[0014] By adopting the above technical solution, when the cutting length needs to be adjusted according to the design requirements, the staff first determines the required cutting length and then starts the moving cylinder. The moving cylinder drives the rotating cylinder and the connecting part to move to the specified position, and through the setting of the telescopic rod and the connecting rod, the connecting ring is synchronously driven to move to achieve cutting at any position. The support ring provides support for the cutting position, which is beneficial to improve the adaptability of the device and thus improve the cutting efficiency. The position is fixed by the fixing part to ensure that no deviation occurs during the cutting process, which is beneficial to improve the cutting accuracy.

[0015] Optionally, the fixing part includes an arc-shaped plate, the telescopic rod is a hollow cavity, a fixing rod is provided in the telescopic rod, the end of the fixing rod away from the connecting rod is fixedly connected with a protrusion, the protrusion is arranged on the outside of the telescopic rod, and a clamping block is provided at the end of the fixing rod close to the connecting rod. A plurality of clamping grooves are provided on the inner wall of the telescopic rod, and the clamping grooves extend along the length direction of the telescopic rod. A plurality of reset springs are provided between the fixing rod and the telescopic rod, an arc-shaped groove is provided at one end of the connecting ring, one end of the arc-shaped plate is located in the arc-shaped groove, and a pressure block is fixedly connected to the other end, the pressure block is located on the outside of the arc-shaped groove, the pressure block is opposite to the protrusion, the pressure block is movably connected to the protrusion, and the pressure block is made of high-density material.

[0016] By adopting the above technical solution, in the initial state, the arc plate is connected to the rotating disc knife through the connecting piece. When the cutting position needs to be fixed by the fixing piece, the connection between the arc plate and the rotating disc knife is released. The pressing block will press the protrusion due to its high-density material. At this time, the arc plate moves downward in the arc groove, driving the pressing block to press the protrusion, so that the protrusion moves downward, thereby driving the clamping block on the other side of the fixed rod to clamp in the clamping groove on the inner wall of the telescopic rod, thereby realizing the fixing of the position of the telescopic rod and the connecting rod, avoiding deviation during the cutting process, and helping to improve the cutting accuracy.

[0017] Optionally, the connecting part includes a connecting straight rod and a connecting arc plate, one end of the connecting straight rod is connected to the rotating disc knife, and the other end is connected to the connecting arc plate, a clamping arc plate is provided on the connecting arc plate, one end of the clamping arc plate is hinged to one end of the connecting arc plate, and the other end is provided with a connecting protrusion, a connecting groove is provided at one end of the arc plate close to the pressing block, the connecting protrusion corresponds to the connecting groove, a small motor is provided on the outer side of the connecting arc plate, and the output shaft of the small motor is fixedly connected to the clamping arc plate.

[0018] By adopting the above technical solution, when the connection relationship between the arc plate and the rotating disc knife needs to be controlled by the connecting piece, the staff starts the small motor, and the small motor drives the clamping arc plate to rotate, thereby controlling the position relationship between the connecting protrusion at one end of the clamping arc plate and the connecting groove. When the connecting protrusion is clamped at the connecting groove, the cutting position is determined to prevent it from being too easy; when the connecting protrusion is separated from the connecting groove, the staff can move the rotating disc knife to change the cutting position.

[0019] Optionally, the lower end surface of the lifting plate is provided with a plurality of fixing rings for pressing the piston rod, the fixing rings are evenly arranged, and fixing springs are provided between adjacent fixing rings.

[0020] By adopting the above technical solution and setting the fixing ring, the piston rod can get more support during the cutting process to ensure stability during the cutting process. The setting of the fixing spring can make the connection between adjacent fixing rings stable and maintain the interval, ensuring that the support points are evenly distributed on the piston rod, thereby improving the support effect.

[0021] Optionally, fixing springs are provided between adjacent fixing rings.

[0022] By adopting the above technical solution,

[0023] In summary, the present invention includes at least one of the following beneficial technical effects:

[0024] 1. By setting the bottom plate, cutting device, straightening device, pushing cylinder, sliding plate, lifting cylinder, connecting block, lifting plate, supporting column and connecting ring, when the piston rod needs to be straightened and cut, the staff first transports the piston rod to the lifting plate, and then starts the pushing cylinder, which transports the piston rod to the straightening device and the cutting device in turn, and then starts the lifting cylinder, which places the piston rod on the supporting column for subsequent operations, and when cutting, the connecting ring will provide additional support to the cutting part of the piston rod, thereby effectively avoiding bending or twisting of the piston rod, which is beneficial to improving the assembly accuracy and performance of the piston rod;

[0025] 2. By setting a connecting straight rod, a connecting arc plate, a clamping arc plate, a connecting protrusion, a connecting groove and a small motor, when the connection relationship between the arc plate and the rotating disc knife needs to be controlled by a connecting piece, the staff starts the small motor, and the small motor drives the clamping arc plate to rotate, thereby controlling the position relationship between the connecting protrusion at one end of the clamping arc plate and the connecting groove. When the connecting protrusion is clamped at the connecting groove, the cutting position is determined to prevent cheapness; when the connecting protrusion is separated from the connecting groove, the staff can move the rotating disc knife to change the cutting position;

[0026] 3. By setting the fixing ring, the piston rod can get more support during the cutting process to ensure stability during the cutting process. The setting of the fixing spring can make the connection between adjacent fixing rings stable and maintain the interval, ensuring that the support points are evenly distributed on the piston rod to improve the support effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The utility model is a schematic diagram of the overall structure of a piston rod straightening and cutting device.

[0028] Figure 2 It is a schematic diagram of the overall structure of a piston rod straightening and cutting device from another angle.

[0029] Figure 3 yes Figure 2 Enlarged view of part A.

[0030] Figure 4 It is a schematic diagram of the structure of the cutting device.

[0031] Figure 5 It is a structural diagram of the fixing parts.

[0032] Figure 6 yes Figure 4 A partial cross-sectional view in one orientation.

[0033] Figure 7 This is an exploded view of the fixture.

[0034] Explanation of the reference numerals: 10, piston rod; 1, bottom plate; 11, support column; 12, support plate; 13, top plate; 131, drive screw; 132, drive motor; 133, moving block; 134, straightening cylinder; 135, straightening head; 14, vertical plate; 141, sliding rod; 142, lifting screw; 1421, fixing ring; 1422, fixing spring; 143, lifting motor; 144, lifting plate; 1441, moving cylinder; 1442, moving hole; 1443, connecting rod; 1444, telescopic rod; 145, rotating cylinder; 2, moving assembly; 21, pushing cylinder; 22, lifting cylinder; 23, sliding plate; 24, connecting block; 25, lifting plate; 3, straightening device; 31, clamp Tightening plate; 32. Aligning infrared transmitter; 33. Receiving plate; 34. Clamping screw; 35. Clamping motor; 36. Fixing plate; 361. Limiting ring; 362. Rotating motor; 37. Connecting spring; 4. Cutting device; 41. Connecting ring; 411. Fixing piece; 412. Arc plate; 413. Fixing rod; 414. Bump; 415. Block; 416. Slot; 417. Reset spring; 418. Pressing block; 42. Rotating disc knife; 43. Positioning plate; 44. Positioning ring; 45. Positioning motor; 46. Positioning cylinder; 47. Clamping column; 48. Connecting piece; 481. Connecting straight rod; 482. Connecting arc plate; 483. Clamping arc plate; 484. Connecting protrusion; 485. Small motor. DETAILED DESCRIPTION

[0035] The present invention is further described in detail below in conjunction with all the accompanying drawings.

[0036] The embodiment of the invention discloses a piston rod straightening and cutting device.

[0037] Reference Figure 1 and Figure 2 A piston rod straightening and cutting device comprises a base plate 1, a moving assembly 2, a straightening device 3 and a cutting device 4, wherein the straightening device 3 and the cutting device 4 are arranged at one end of the base plate 1, and the moving assembly 2 is arranged at the other end of the base plate 1. The base plate 1 provides support for the straightening device 3, the cutting device 4 and the moving assembly 2, the straightening device 3 realizes the straightening of the piston rod 10, the cutting device 4 realizes the cutting process of the piston rod 10, and the moving assembly 2 controls the movement of the piston rod 10.

[0038] Reference Figure 1 and Figure 2The moving component 2 includes a pushing cylinder 21 and a lifting cylinder 22. The pushing cylinder 21 is arranged on the upper end surface of the base plate 1. The piston rod of the pushing cylinder 21 is connected to a sliding plate 23. The sliding plate 23 is slidably connected to the upper end surface of the base plate 1. The lifting cylinder 22 is vertically arranged on the sliding plate 23. The piston rod of the lifting cylinder 22 is fixedly connected to a connecting block 24. Two lifting plates 25 are fixedly connected to the connecting block 24. The two lifting plates 25 are respectively horizontally arranged at both ends of the connecting block 24. The lifting plate 25 extends along the length direction of the base plate 1. The upper end surface of the base plate 1 is provided with several rows of support columns 11 for supporting the piston rod 10. The support columns 11 and the lifting plates 25 are staggered. The cutting part of the cutting device 4 is provided with a connecting ring 41 for providing support for the piston rod 10.

[0039] Reference Figure 1 and Figure 2 When the piston rod 10 needs to be straightened and cut, the staff first transports the piston rod 10 to the lifting plate 25, and then starts the pushing cylinder 21. The pushing cylinder 21 transports the piston rod 10 to the straightening device 3 and the cutting device 4 in turn, and then starts the lifting cylinder 22. The lifting cylinder 22 places the piston rod 10 on the support column 11 for subsequent operations, and when cutting, the connecting ring 41 will provide additional support to the cutting part of the piston rod 10, thereby effectively preventing the piston rod 10 from bending or twisting, which is beneficial to improving the assembly accuracy and performance of the piston rod 10.

[0040] Reference Figure 1 and Figure 2The straightening device 3 includes two clamping plates 31, a straightening infrared transmitter 32 and a receiving plate 33. A clamping screw 34 is provided in the base plate 1. The clamping screw 34 extends along the width direction of the base plate 1. A clamping motor 35 is provided on one side of the base plate 1. The output shaft of the clamping motor 35 is coaxially fixedly connected with the clamping screw 34. The two clamping plates 31 are respectively threadedly connected to the two ends of the clamping screw 34. The clamping plates 31 are slidably connected to the base plate 1. The two clamping plates 31 are arranged opposite to each other. A fixing plate 36 is provided above the clamping plate 31, a connecting spring 37 is provided between the clamping plate 31 and the fixing plate 36, the piston rod 10 is located between the two fixing plates 36, a limiting ring 361 for connecting the two ends of the piston rod 10 is provided on the side of the fixing plate 36 close to the piston rod 10, a rotating motor 362 is provided on the side of the fixing plate 36 away from the piston rod 10, the output shaft of the rotating motor 362 passes through the fixing plate 36 and is coaxially fixedly connected with the limiting ring 361, the straightening infrared transmitter 32 is arranged on one of the fixing plates 36, the receiving plate 33 is arranged on the other fixing plate 36, the straightening infrared transmitter 32 and the receiving plate 33 are arranged opposite to each other, a supporting plate 12 is provided on the side of the clamping plate 31 away from the piston rod 10, the two supporting plates 12 are arranged opposite to each other, the supporting plate 12 is vertically arranged on the upper end surface of the bottom plate 1, the top end of the supporting plate 12 is fixedly connected with the top plate 13, the two supporting plates 12 are arranged at the two ends of the top plate 13, and a driving screw 131 is provided in the top plate 13 A driving screw 131 is extended along the length direction of the top plate 13. A driving motor 132 is provided on one side of the top plate 13. The driving motor 132 is coaxially fixedly connected with the driving screw 131. A moving block 133 is provided on the top plate 13. A straightening cylinder 134 is provided in the moving block 133. The piston rod of the straightening cylinder 134 passes through the moving block 133 and is connected with a straightening head 135. The straightening head 135 is located directly above the piston rod 10, and the straightening head 135 is movably connected to the piston rod 10.

[0041] Reference Figure 1 and Figure 2 When straightening is required, the staff first starts the clamping motor 35, and the clamping motor 35 drives the clamping screw 34 to rotate, thereby driving the two clamping plates 31 to move toward each other, and then driving the two fixing plates 36 to move toward each other, so that the position of the piston rod 10 is limited by the limit ring 361 on the fixing plate 36, and then starts the rotating motor 362 to drive the piston rod 10 to rotate and judges the position of the piston rod 10 that needs to be straightened through the straightening infrared transmitter 32, and then starts the driving motor 132, and the driving motor 132 drives the driving screw 131 to rotate, so that the moving block 133 moves to the position that needs to be straightened, and then starts the straightening cylinder 134, and the straightening cylinder 134 straightens the straightening position, thereby realizing the straightening work of the piston rod 10, which is easy to operate and is conducive to improving the movement efficiency of the staff.

[0042] Reference Figure 2 and Figure 4The cutting device 4 includes a rotating disc knife 42 and two positioning plates 43. The two positioning plates 43 are arranged opposite to each other. The piston rod 10 is located between the two positioning plates 43. A positioning ring 44 is provided on one of the positioning plates 43. The positioning ring 44 is arranged on the side of the positioning plate 43 close to the piston rod 10. A positioning motor 45 is provided on the side of the positioning plate 43 away from the positioning ring 44. The output shaft of the positioning motor 45 passes through the positioning plate 43 and is coaxially fixedly connected with the positioning ring 44. A positioning cylinder 46 is provided on the other positioning plate 43. The positioning cylinder 46 is arranged on the side of the positioning plate 43 away from the piston rod 10. The piston rod of the positioning cylinder 46 passes through the positioning plate 43 and is fixedly connected with a tightening column 47. The tightening column 47 is movably connected to the piston rod 10. A vertical plate is provided on the side of the two positioning plates 43 away from the piston rod 10. 14, the two vertical plates 14 are arranged opposite to each other, and a sliding rod 141 and a lifting screw 142 are respectively arranged in the two vertical plates 14, the sliding rod 141 and the lifting screw 142 are both arranged vertically, a lifting motor 143 is arranged at the top of the lifting screw 142, and the lifting motor 143 is coaxially fixedly connected with the lifting screw 142, and a lifting plate 144 is horizontally arranged between the two vertical plates 14, one end of the lifting plate 144 is threadedly connected with the lifting screw 142, and the other end is slidably connected with the sliding rod 141, the lifting plate 144 is slidably connected with the vertical plate 14, and a rotating cylinder 145 is arranged on the upper end surface of the lifting plate 144, and the piston rod of the rotating cylinder 145 passes through the lifting plate 144 and is fixedly connected with the rotating disc knife 42, and a connecting piece 48 is arranged on one side of the rotating disc knife 42, and the connecting piece 48 is connected to the connecting ring 41.

[0043] Reference Figure 2 and Figure 4 When the piston rod 10 needs to be cut, the staff first transports the straightened piston rod 10 to the support column 11 under the cutting device 4 through the lifting plate 25, and then starts the positioning cylinder 46. The positioning cylinder 46 pushes the piston rod 10 into the positioning ring 44 to fix the piston rod 10, and then starts the lifting motor 143. The lifting motor 143 drives the lifting screw 142 to rotate, thereby driving the lifting plate 144 to fall, and drives the rotating disc knife 42 to fall. When it falls to the top of the piston rod 10, the staff starts the rotating cylinder 145. The rotating cylinder 145 drives the rotating disc knife 42 to move downward, and synchronously starts the positioning motor 45 to realize the cutting process of the piston rod 10 while rotating. During the cutting process, the device is stable and the incision is uniform, which is conducive to improving the cutting efficiency of the piston rod 10.

[0044] Reference Figure 3 and Figure 4A moving cylinder 1441 is provided in the lifting plate 144, and a moving hole 1442 is opened on the lifting plate 144. The moving hole 1442 is extended along the length direction of the lifting plate 144. The piston rod of the moving cylinder 1441 is connected to the rotating cylinder 145 and the connecting piece 48. The rotating cylinder 145 and the connecting piece 48 are both located at the moving hole 1442 of the lifting plate 144. A connecting rod 1443 is provided under the lifting plate 144. The connecting rod 1443 is fixedly connected to the support column 11. The connecting rod 1443 is extended along the width direction of the bottom plate 1. The connecting rod 1443 is a hollow cavity. A telescopic rod 1444 is slidably connected in the connecting rod 1443. One end of the telescopic rod 1444 is located in the connecting rod 1443, and the other end is fixedly connected to the connecting ring 41. A fixing piece 411 for fixing the position of the telescopic rod 1444 is provided on the connecting ring 41.

[0045] Reference Figure 3 and Figure 4 When the cutting length needs to be adjusted according to the design requirements, the staff first determines the required cutting length and then starts the moving cylinder 1441. The moving cylinder 1441 drives the rotating cylinder 145 and the connecting piece 48 to move to the specified position, and through the setting of the telescopic rod 1444 and the connecting rod 1443, the connecting ring 41 is synchronously driven to move to achieve cutting at any position. The support ring provides support for the cutting position, which is beneficial to improve the adaptability of the device and thus improve the cutting efficiency. The position is fixed by the fixing piece 411 to ensure that no deviation occurs during the cutting process, which is beneficial to improve the cutting accuracy.

[0046] Reference Figure 3~Figure 7 The fixing member 411 includes an arc-shaped plate 412. The telescopic rod 1444 is a hollow cavity. A fixing rod 413 is provided inside the telescopic rod 1444. A protrusion 414 is fixedly connected to one end of the fixing rod 413 away from the connecting rod 1443. The protrusion 414 is arranged on the outside of the telescopic rod 1444. A clamping block 415 is provided at one end of the fixing rod 413 close to the connecting rod 1443. A plurality of clamping grooves 416 are provided on the inner wall of the telescopic rod 1444. The clamping grooves 416 It is extended along the length direction of the telescopic rod 1444, and a plurality of return springs 417 are arranged between the fixed rod 413 and the telescopic rod 1444. An arc groove is opened at one end of the connecting ring 41, one end of the arc plate 412 is located in the arc groove, and the other end is fixedly connected with a pressure block 418, which is located on the outside of the arc groove, and is directly opposite to the protrusion 414. The pressure block 418 is movably connected to the protrusion 414, and the pressure block 418 is made of high-density material.

[0047] Reference Figure 3~Figure 7In the initial state, the arc plate 412 is connected to the rotating disc knife 42 through the connecting piece 48. When the cutting position needs to be fixed by the fixing piece 411, the connection between the arc plate 412 and the rotating disc knife 42 is released. The pressing block 418, due to its high-density material, will press the protrusion 414. At this time, the arc plate 412 moves downward in the arc groove, driving the pressing block 418 to press the protrusion 414, so that the protrusion 414 moves downward, thereby driving the block 415 on the other side of the fixing rod 413 to be clamped in the groove 416 on the inner wall of the telescopic rod 1444, thereby fixing the position of the telescopic rod 1444 and the connecting rod 1443, avoiding deviation during the cutting process, and helping to improve the cutting accuracy.

[0048] Reference Figure 3 and Figure 4 The connecting member 48 includes a connecting straight rod 481 and a connecting arc plate 482. One end of the connecting straight rod 481 is connected to the rotating disc knife 42, and the other end is connected to the connecting arc plate 482. A clamping arc plate 483 is provided on the connecting arc plate 482. One end of the clamping arc plate 483 is hinged to one end of the connecting arc plate 482, and the other end is provided with a connecting protrusion 484. A connecting groove is provided at one end of the arc plate 412 close to the pressure block 418, and the connecting protrusion 484 corresponds to the connecting groove. A small motor 485 is provided on the outer side of the connecting arc plate 482, and the output shaft of the small motor 485 is fixedly connected to the clamping arc plate 483.

[0049] Reference Figure 3 and Figure 4 When the connection relationship between the arc plate 412 and the rotating disc knife 42 needs to be controlled by the connecting piece 48, the staff starts the small motor 485, and the small motor 485 drives the clamping arc plate 483 to rotate, thereby controlling the position relationship between the connecting protrusion 414 at one end of the clamping arc plate 483 and the connecting groove. When the connecting protrusion 414 is clamped in the connecting groove, the cutting position is determined to prevent cheapness; when the connecting protrusion 414 is separated from the connecting groove, the staff can move the rotating disc knife 42 to change the cutting position.

[0050] Reference Figure 3 and Figure 4 In the initial state of cutting, the piston rod 10 is located on the support column 11, and the block 415 is located in the gap of the telescopic tube slot 416, so that the telescopic tube and the connecting rod 1443 are also in an unfixed state when the pressure block 418 and the protrusion 414 are pressed. Then the staff goes down to rotate the disc knife 42 and start the small motor 485 to make the connecting protrusion 414 clamped in the connecting groove, and then adjust the cutting position. After determining the position, start the small motor 485 again to make the connecting protrusion 414 disengage from the connecting groove. At this time, the pressure block 418 and the protrusion 414 are pressed, and the block 415 is located in the slot 416 of the telescopic tube, realizing a fixed state.

[0051] Reference Figure 4 The lower end surface of the lifting plate 144 is provided with a plurality of fixing rings 1421 for pressing the piston rod 10. The fixing rings 1421 are evenly arranged, and fixing springs 1422 are arranged between adjacent fixing rings 1421. The setting of the fixing rings 1421 enables the piston rod 10 to obtain more support during the cutting process, ensuring stability during the cutting process. The setting of the fixing springs 1422 enables the connection between adjacent fixing rings 1421 to be stable and to maintain a spacing, ensuring that the supporting points are evenly distributed on the piston rod 10, improving the supporting effect.

[0052] The implementation principle of a piston rod straightening and cutting device according to an embodiment of the present invention is as follows: when the piston rod 10 needs to be straightened and cut, the staff first starts the clamping motor 35, and the clamping motor 35 drives the clamping screw 34 to rotate, thereby driving the two clamping plates 31 to move toward each other, and then drives the two fixing plates 36 to move toward each other, so that the position of the piston rod 10 is limited by the limit ring 361 on the fixing plate 36, and then starts the rotating motor 362 to drive the piston rod 10 to rotate and determines the position of the piston rod 10 that needs to be straightened through the straightening infrared transmitter 32, and then starts the driving motor 132, and the driving motor 132 drives the driving screw 131 to rotate, so that the moving block 133 moves to the position that needs to be straightened, and then starts the straightening cylinder 134, The straightening cylinder 134 aligns the straightening position, and then the piston rod 10 after the straightening process is transported to the support column 11 under the cutting device 4 through the lifting plate 25, and then the positioning cylinder 46 is started. The positioning cylinder 46 pushes the piston rod 10 into the positioning ring 44 to fix the piston rod 10, and then the lifting motor 143 is started. The lifting motor 143 drives the lifting screw 142 to rotate, thereby driving the lifting plate 144 to fall, and drives the rotating disc knife 42 to fall. When it falls to the top of the piston rod 10, the staff starts the rotating cylinder 145, and the rotating cylinder 145 drives the rotating disc knife 42 to move downward, and synchronously starts the positioning motor 45 to realize the cutting process of the piston rod 10 while rotating.

[0053] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A piston rod straightening and cutting device, comprising a bottom plate (1), characterized in that: The upper end surface of the base plate (1) is provided with a straightening device (3) and a cutting device (4) for cutting the piston rod (10), the straightening device (3) and the cutting device (4) are located at one end of the base plate (1), and the other end of the base plate (1) is provided with a pushing cylinder (21), the piston rod of the pushing cylinder (21) is connected to a sliding plate (23), the sliding plate (23) is slidably connected to the upper end surface of the base plate (1), a lifting cylinder (22) is vertically provided on the sliding plate (23), the piston rod of the lifting cylinder (22) is fixedly connected to a connecting block (24), and two lifting plates (25) are fixedly connected to the connecting block (24), the two lifting plates (25) are horizontally arranged at two ends of the connecting block (24), and the lifting plates (25) are extended along the length direction of the base plate (1). The upper end surface of the bottom plate (1) is provided with a plurality of rows of support columns (11) for supporting the piston rod (10), the support columns (11) and the lifting plate (25) are arranged in a staggered manner, the cutting portion of the cutting device (4) is provided with a connecting ring (41) for providing support for the piston rod (10), the cutting device (4) comprises a rotating disc knife (42) and two positioning plates (43), the two positioning plates (43) are arranged opposite to each other, the piston rod (10) is located between the two positioning plates (43), one of the positioning plates (43) is provided with a positioning ring (44), the positioning ring (44) is arranged on a side of the positioning plate (43) close to the piston rod (10), and a positioning motor (45) is provided on a side of the positioning plate (43) away from the positioning ring (44), and the positioning motor (45) The output shaft of one of the two positioning plates (43) passes through the positioning plate (43) and is coaxially fixedly connected to the positioning ring (44); a positioning cylinder (46) is provided on the other positioning plate (43); the positioning cylinder (46) is arranged on the side of the positioning plate (43) away from the piston rod (10); the piston rod of the positioning cylinder (46) passes through the positioning plate (43) and is fixedly connected to a tightening column (47); the tightening column (47) is movably connected to the piston rod (10); a vertical plate (14) is provided on the side of the two positioning plates (43) away from the piston rod (10); the two vertical plates (14) are arranged opposite to each other; a sliding rod (141) and a lifting screw (142) are respectively provided in the two vertical plates (14); the sliding rod (141) and the lifting screw (142) are both arranged vertically; the top of the lifting screw (142) is provided with a A lifting motor (143) is provided, the lifting motor (143) is coaxially fixedly connected to the lifting screw (142), a lifting plate (144) is horizontally provided between the two vertical plates (14), one end of the lifting plate (144) is threadedly connected to the lifting screw (142), and the other end is slidably connected to the sliding rod (141), the lifting plate (144) is slidably connected to the vertical plate (14), a rotating cylinder (145) is provided on the upper end surface of the lifting plate (144), a piston rod of the rotating cylinder (145) passes through the lifting plate (144) and is fixedly connected to the rotating disc knife (42), a connecting piece (48) is provided on one side of the rotating disc knife (42), and the connecting piece (48) is connected to the connecting ring (41), and a moving cylinder (1441) is provided in the lifting plate (144),A moving hole (1442) is provided on the lifting plate (144), and the moving hole (1442) is extended along the length direction of the lifting plate (144). The piston rod of the moving cylinder (1441) is connected to the rotating cylinder (145) and the connecting piece (48). The rotating cylinder (145) and the connecting piece (48) are both located at the moving hole (1442) of the lifting plate (144). A connecting rod (1443) is provided below the lifting plate (144), and the connecting rod (1443) is fixedly connected to the support column. (11), the connecting rod (1443) is extended along the width direction of the bottom plate (1), the connecting rod (1443) is a hollow cavity, a telescopic rod (1444) is slidably connected inside the connecting rod (1443), one end of the telescopic rod (1444) is located inside the connecting rod (1443), and the other end is fixedly connected to the connecting ring (41), and a fixing member (411) for fixing the position of the telescopic rod (1444) is provided on the connecting ring (41), and the fixing member (411) includes an arc-shaped plate (412), and the The telescopic rod (1444) is a hollow cavity. A fixing rod (413) is arranged inside the telescopic rod (1444). One end of the fixing rod (413) away from the connecting rod (1443) is fixedly connected to a protrusion (414). The protrusion (414) is arranged on the outside of the telescopic rod (1444). One end of the fixing rod (413) close to the connecting rod (1443) is provided with a clamping block (415). A plurality of clamping grooves (416) are provided on the inner wall of the telescopic rod (1444). The clamping grooves (416) are arranged along the telescopic rod (1444). 4) The connecting ring (41) is extended in the length direction, and a plurality of return springs (417) are arranged between the fixed rod (413) and the telescopic rod (1444). An arc groove is provided at one end of the connecting ring (41), one end of the arc plate (412) is located in the arc groove, and a pressing block (418) is fixedly connected to the other end. The pressing block (418) is located outside the arc groove, and the pressing block (418) is directly opposite to the protrusion (414). The pressing block (418) and the protrusion (414) are movably connected, and the pressing block (418) is made of high-density material.

2. The piston rod straightening and cutting device according to claim 1, characterized in that: The straightening device (3) comprises two clamping plates (31), a straightening infrared transmitter (32) and a receiving plate (33); a clamping screw (34) is provided inside the base plate (1); the clamping screw (34) is extended along the width direction of the base plate (1); a clamping motor (35) is provided on one side of the base plate (1); an output shaft of the clamping motor (35) is coaxially fixedly connected to the clamping screw (34); the two clamping plates (31) are respectively threadedly connected to the two ends of the clamping screw (34); the clamping plates (31) are slidably connected to the base plate (1); the two clamping plates (31) are arranged opposite to each other, and the clamping A fixing plate (36) is provided above the clamping plate (31), a connecting spring (37) is provided between the clamping plate (31) and the fixing plate (36), the piston rod (10) is located between the two fixing plates (36), a limiting ring (361) for connecting the two ends of the piston rod (10) is provided on the side of the fixing plate (36) close to the piston rod (10), a rotating motor (362) is provided on the side of the fixing plate (36) away from the piston rod (10), the output shaft of the rotating motor (362) passes through the fixing plate (36) and is coaxially fixedly connected to the limiting ring (361), and the infrared emitter is aligned. (32) is arranged on one of the fixing plates (36), the receiving plate (33) is arranged on the other fixing plate (36), the straightening infrared transmitter (32) and the receiving plate (33) are arranged opposite to each other, a support plate (12) is arranged on the side of the clamping plate (31) away from the piston rod (10), the two support plates (12) are arranged opposite to each other, the support plates (12) are vertically arranged on the upper end surface of the bottom plate (1), the top end of the support plate (12) is fixedly connected to the top plate (13), the two support plates (12) are arranged at both ends of the top plate (13), and a driving screw (131) is arranged in the top plate (13) A driving screw rod (131) is extended along the length direction of the top plate (13), a driving motor (132) is provided on one side of the top plate (13), the driving motor (132) is coaxially fixedly connected to the driving screw rod (131), a moving block (133) is provided on the top plate (13), a straightening cylinder (134) is provided in the moving block (133), a piston rod of the straightening cylinder (134) passes through the moving block (133) and is connected to a straightening head (135), the straightening head (135) is located directly above the piston rod (10), and the straightening head (135) is movably connected to the piston rod (10).

3. The piston rod straightening and cutting device according to claim 1, characterized in that: The connecting member (48) comprises a connecting straight rod (481) and a connecting arc plate (482); one end of the connecting straight rod (481) is connected to the rotating disc knife (42), and the other end is connected to the connecting arc plate (482); a clamping arc plate (483) is provided on the connecting arc plate (482); one end of the clamping arc plate (483) is hinged to one end of the connecting arc plate (482), and the other end is provided with a connecting protrusion (484); one end of the arc plate (412) close to the pressing block (418) is provided with a connecting groove, and the connecting protrusion (484) corresponds to the connecting groove; a small motor (485) is provided on the outer side of the connecting arc plate (482); and the output shaft of the small motor (485) is fixedly connected to the clamping arc plate (483).

4. The piston rod straightening and cutting device according to claim 1, characterized in that: The lower end surface of the lifting plate (144) is provided with a plurality of fixing rings (1421) for pressing the piston rod (10), and the fixing rings (1421) are evenly arranged.

5. The piston rod straightening and cutting device according to claim 4, characterized in that: A fixing spring (1422) is provided between adjacent fixing rings (1421).

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