A reaming device for a vacuum couch

Abstract

The application relates to the field of papermaking machinery, in particular to a reaming device of a vacuum couch roll, which comprises a clamp, a supporting seat, a drilling machine, a sliding seat and a mounting seat, the clamp is used for fixing the vacuum couch roll, the axis of the clamp is collinear with the axis of the vacuum couch roll, the clamp is rotationally connected to the supporting seat around the axis of the clamp, the drilling machine is used for drilling holes on the vacuum couch roll, the drilling machine is fixedly connected to the sliding seat, the sliding seat is slidingly connected to the mounting seat, the sliding direction of the sliding seat is parallel to the radial direction of the vacuum couch roll, and the sliding direction of the mounting seat is parallel to the axial direction of the vacuum couch roll. The sliding of the sliding seat and the mounting seat drives the sliding of the drilling machine to drill holes on the vacuum couch roll, the clamp drives the rotation of the vacuum couch roll, the circumferential punching of the vacuum couch roll is realized, the automatic punching is realized through mechanical control, and the reaming efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of papermaking machinery, in particular to a reaming device of a vacuum couch roll. BACKGROUND

[0002] The vacuum couch roll is an important part of papermaking machinery, which is located at the place where the paper web is separated from the forming wire, and is a roll cylinder as the end point of the working stroke section of the forming wire.

[0003] The dewatering principle of the vacuum couch roll is that a vacuum box is arranged in the vacuum couch roll, the vacuum box is communicated with a vacuum pump, a water suction port is arranged on the vacuum box, and the vacuum pump is started to suck the water and air in the vacuum couch roll, so that the purpose of removing the free water in the paper sheet is achieved.

[0004] The traditional structure of the vacuum couch roll usually has some limitations, which limits the width of the paper sheet and affects the yield. The reaming of the vacuum couch roll is a common improvement method in the papermaking process, which is to punch holes on the vacuum couch roll, so that the distribution of the holes is expanded to the end of the vacuum couch roll, aiming to increase the width of the paper sheet and improve the yield. Generally, the manual drilling method is adopted, and the working efficiency is low. SUMMARY

[0005] In order to improve the reaming efficiency, the present application provides a reaming device of a vacuum couch roll.

[0006] The reaming device of the vacuum couch roll provided by the present application adopts the following technical scheme:

[0007] A reaming device of a vacuum couch roll, comprising a clamp, a support seat, a drilling machine, a sliding seat and a mounting seat, the clamp is used for fixing the vacuum couch roll, the axis of the clamp is collinear with the axis of the vacuum couch roll, the clamp is rotationally connected to the support seat about its own axis, the drilling machine is used for drilling holes on the vacuum couch roll, the drilling machine is fixedly connected to the sliding seat, the sliding seat is slidingly connected to the mounting seat, the sliding direction of the sliding seat is parallel to the radial direction of the vacuum couch roll, and the sliding direction of the mounting seat is parallel to the axial direction of the vacuum couch roll.

[0008] By adopting the above technical scheme, the sliding of the sliding seat and the mounting seat drives the drilling machine to slide to drill holes on the vacuum couch roll, and the clamp drives the vacuum couch roll to rotate, so that the circumferential punching of the vacuum couch roll is realized. The automatic punching controlled by the machine improves the reaming efficiency.

[0009] Preferably, the reaming device of the vacuum couch roll further comprises a bracket, a driving roller, a driven roller and a transmission belt, the driving roller and the driven roller are rotationally connected to the bracket about their own axes, the axis of the driving roller is parallel to the axis of the driven roller, the rotation axis of the driving roller is parallel to the sliding direction of the sliding seat, and the transmission belt is arranged on the outer periphery of the driving roller and the driven roller, and the transmission belt is used to drive the mounting seat to slide.

[0010] By adopting the technical scheme, the driving roller rotates, the transmission belt moves, the mounting seat moves synchronously, the position of the drilling machine is changed, manual control is not needed, and the reaming efficiency and reaming accuracy are improved.

[0011] Preferably, the reaming device of the vacuum roller further comprises a support frame, an abutting rod, a first spring, a rotating column and a first ratchet wheel, the support frame is fixedly connected to the support frame, the support frame is provided with a sliding opening, the abutting rod is slidingly connected to the inner wall of the sliding opening, the sliding direction of the abutting rod is parallel to the sliding direction of the sliding seat, the abutting rod is arranged on the side of the sliding seat away from the support seat, one end of the first spring is fixedly connected to the inner wall of the sliding opening facing the support seat, the other end of the first spring is fixedly connected to the end of the abutting rod away from the sliding seat, the abutting rod is used for abutting the sliding seat, the rotating column is rotationally connected to the support frame around the axis line thereof, the rotating axis line of the rotating column is parallel to the rotating axis line of the clamp, the first ratchet wheel is coaxially fixedly connected to the rotating column, the abutting rod is used for pushing the first ratchet wheel to rotate, and the rotating column drives the clamp to rotate through the transmission assembly.

[0012] By adopting the technical scheme, when the sliding seat slides away from the support seat, the abutting rod is abutted, the abutting rod is pushed to slide to drive the first ratchet wheel to rotate, the rotating column synchronously rotates to drive the clamp to rotate through the transmission assembly, the first spring makes the abutting rod reset, the time interval of the drilling machine away from the support seat is used to control the rotation of the vacuum roller, an additional driving source is not needed to control the rotation of the vacuum roller, the drilling machine can continuously work, and the reaming efficiency is improved.

[0013] Preferably, the transmission assembly comprises a first sprocket, a second sprocket and a transmission chain, the first sprocket is coaxially fixedly connected to the rotating column, the second sprocket is coaxially fixedly connected to the clamp, and the transmission chain is engaged with the outer peripheries of the first sprocket and the second sprocket.

[0014] By adopting the technical scheme, the rotating column rotates to drive the first sprocket to rotate, the transmission chain synchronously rotates the second sprocket, the rotation of the clamp drives the vacuum roller to rotate, the drilling machine punches along the circumference of the vacuum roller, the structure is simple, and the operation is simple and convenient.

[0015] Preferably, the reaming device of the vacuum roller further comprises a check block, a fixed block and a second spring, one end of the check block is hingedly connected to the support frame, the other end of the check block abuts the outer wall of the first ratchet wheel, the hinged axis line of the check block and the support frame is parallel to the rotating axis line of the first ratchet wheel, the fixed block is fixedly connected to the support frame, one end of the second spring is fixedly connected to the check block, and the other end of the second spring is fixedly connected to the fixed block.

[0016] By adopting the technical scheme, the check block abuts against the teeth of the first ratchet wheel to prevent the first ratchet wheel from rotating reversely, when the abutting rod moves away from the support base, the first ratchet wheel is pushed to rotate, the second spring is stretched, the check block abuts against the next tooth of the first ratchet wheel, the second spring is reset, when the abutting rod is pushed by the first spring to move towards the support base, the first ratchet wheel reversely rotates for a distance to allow the abutting rod to pass, the second spring is contracted, when the first spring is reset, the second spring is reset, so that the first ratchet wheel is convenient for being pushed by the abutting rod next time, the structure is simple, no additional power source is needed, energy waste is reduced, and the reaming efficiency is improved.

[0017] Preferably, the reaming device of the vacuum couch roll further comprises a driving column, a second ratchet wheel and a pushing block, the driving column is rotationally connected to the support frame about an axis of the driving column, the axis of the driving column is parallel to the axis of the rotating column, the second ratchet wheel is coaxially fixedly connected to the driving column, one end of the pushing block is fixedly connected to the outer wall of the rotating column, the other end of the pushing block is used for pushing the second ratchet wheel to rotate, and the driving column drives the driving roller to rotate through the linkage assembly.

[0018] By adopting the technical scheme, the rotating column drives the pushing block to rotate, the pushing block rotates one circle to push the second ratchet wheel to rotate once, the rotating column drives the driving column to rotate through the second ratchet wheel, the driving column drives the driving roller to rotate through the linkage assembly, the mounting seat slides along the axis of the vacuum couch roll, and the next circle of the circumferential punching is performed on the vacuum couch roll, the structure is simple, no additional power source is needed, energy waste is reduced, and the reaming efficiency is improved.

[0019] Preferably, the linkage assembly comprises a first bevel gear, a connecting block, a linkage rod, a second bevel gear, a first synchronous wheel, a second synchronous wheel and a synchronous belt, the first bevel gear is coaxially fixedly connected to the driving column, the connecting block is fixedly connected to the support frame, the linkage rod is rotationally connected to the connecting block about an axis of the linkage rod, the axis of the linkage rod is parallel to the axis of the driving roller, the second bevel gear and the first synchronous wheel are coaxially fixedly connected to the linkage rod, the second bevel gear is engaged with the first bevel gear, the second synchronous wheel is coaxially fixedly connected to the driving roller, and the transmission belt is sleeved on the outer periphery of the first synchronous wheel and the second synchronous wheel.

[0020] By adopting the technical scheme, the driving column drives the first bevel gear to synchronously rotate, the second bevel gear is engaged with the first bevel gear, the linkage rod is driven to rotate by the second bevel gear, the first synchronous wheel drives the second synchronous wheel to rotate through the transmission belt, and the driving roller rotates to transport the mounting seat, so that the drilling machine is convenient for moving to punch, and the reaming efficiency is improved.

[0021] Preferably, the reaming device of the vacuum squeezer further comprises an anti-reverse block, a mounting block and a third spring, one end of the anti-reverse block is hingedly connected to the support frame, the other end of the anti-reverse block abuts against the outer wall of the second ratchet, the hinged axis of the anti-reverse block is parallel to the rotation axis of the second ratchet, the mounting block is fixedly connected to the support frame, one end of the third spring is fixedly connected to the anti-reverse block, and the other end of the third spring is fixedly connected to the mounting block.

[0022] By adopting the above technical scheme, the anti-reverse block abuts against the teeth of the second ratchet to prevent the second ratchet from rotating reversely, the push block pushes the second ratchet to rotate, the third spring is stretched, the anti-reverse block abuts against the next tooth of the second ratchet, and the third spring is reset, so that no additional power source is needed, energy waste is reduced, and the reaming efficiency is improved.

[0023] Preferably, the reaming device of the vacuum squeezer further comprises a reciprocating screw rod and a driving motor, the reciprocating screw rod is rotationally connected to the mounting seat about the axis thereof, the sliding seat is provided with a threaded opening, the outer wall of the reciprocating screw rod is connected to the inner wall of the threaded opening, the motor housing of the driving motor is fixedly connected to the mounting seat, and the motor shaft of the driving motor is coaxially fixedly connected to the reciprocating screw rod.

[0024] By adopting the above technical scheme, the driving motor controls the rotation of the reciprocating screw rod, so that the sliding seat slides back and forth on the mounting seat to realize the approach or departure of the vacuum squeezer, thereby facilitating the reaming of the vacuum squeezer.

[0025] To sum up, the present application has at least one of the following beneficial technical effects:

[0026] 1. The sliding of the sliding seat and the mounting seat drives the drilling machine to slide to drill the vacuum squeezer, the clamp drives the vacuum squeezer to rotate to realize the circumferential drilling of the vacuum squeezer, the mechanical control realizes automatic drilling, and the reaming efficiency is improved;

[0027] 2. When the sliding seat slides away from the support seat, it abuts against the abutting rod to make the abutting rod slide to push the first ratchet to rotate, the rotating column synchronously rotates to drive the clamp to rotate through the transmission assembly, the first spring resets the abutting rod, the time interval of the drilling machine away from the support seat is utilized to control the rotation of the vacuum squeezer, no additional driving source is needed to control the rotation of the vacuum squeezer, the drilling machine can work continuously, and the reaming efficiency is improved;

[0028] 3. The rotating column rotates to drive the push block to rotate, the push block rotates one circle to push the second ratchet to rotate once, the push block rotates one circle to make the drilling machine complete one circle of circumferential drilling of the vacuum squeezer, the second ratchet rotates to drive the driving column to rotate, the driving column rotates to drive the driving roller to rotate through the linkage assembly, so that the mounting seat slides along the axial direction of the vacuum squeezer to perform the next circle of circumferential drilling on the vacuum squeezer, the structure is simple, no additional power source is needed, energy waste is reduced, and the reaming efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is the overall structure schematic diagram of the reaming device of the vacuum couch roll.

[0030] Figure 2 It is the overall structure schematic diagram of the fixed assembly.

[0031] Figure 3 It is the overall structure schematic diagram of the moving assembly, the drilling machine, the control assembly, the transmission assembly, the driving assembly and the linkage assembly.

[0032] Figure 4 It is the overall structure schematic diagram of the control assembly and the driving assembly.

[0033] Figure 5 It is the overall structure schematic diagram of the driving assembly and the linkage assembly.

[0034] BRIEF DESCRIPTION OF DRAWINGS 1, fixed assembly; 11, support seat; 111, rotating port; 12, placing block; 121, anti-dropping block; 13, sliding seat; 131, sliding groove; 132, anti-dropping groove; 133, connecting port; 14, clamp; 141, connecting column; 142, clamping plate; 143, limiting ring; 2, moving assembly; 21, support; 211, support plate; 22, driving roller; 23, driven roller; 24, transmission belt; 25, mounting seat; 251, support block; 252, limiting groove; 26, sliding seat; 261, sliding block; 262, threaded port; 27, reciprocating screw rod; 28, driving motor; 3, drilling machine; 4, control assembly; 41, support frame; 411, connecting plate; 412, support plate; 413, sliding port; 414, hinged column; 415, fixed column; 42, abutting rod; 43, first spring; 44, rotating column; 45, first ratchet wheel; 46, check block; 461, check port; 47, fixed block; 48, second spring; 5, transmission assembly; 51, first sprocket; 52, second sprocket; 53, transmission chain; 6, driving assembly; 61, driving column; 62, second ratchet wheel; 63, pushing block; 64, anti-reverse block; 641, anti-reverse port; 65, mounting block; 66, third spring; 7, linkage assembly; 71, first bevel gear; 72, connecting block; 721, linkage port; 73, linkage rod; 74, second bevel gear; 75, first synchronous wheel; 76, second synchronous wheel; 77, synchronous belt. DETAILED DESCRIPTION

[0035] The following will be described in detail in combination with the accompanying drawings. Figures 1-5 The application is further described in detail.

[0036] The embodiment of the application discloses a reaming device of a vacuum couch roll. Figure 1The application discloses a reaming device for a vacuum couch roll, which comprises a fixing assembly 1, a moving assembly 2, a drilling machine 3, a control assembly 4, a transmission assembly 5, a driving assembly 6 and a linkage assembly 7.

[0037] Referring to Figure 1 and Figure 2 , the fixing assembly 1 comprises a support base 11, a placing block 12, a sliding base 13 and a clamp 14. The support base 11 and the placing block 12 are fixedly connected to the ground, the upper end of the support base 11 is provided with a rotating opening 111, the length direction of the placing block 12 is parallel to the axis of the rotating opening 111, the upper end of the placing block 12 is fixedly connected with an anti-falling block 121, the width of the anti-falling block 121 is greater than that of the placing block 12, the lower end of the sliding base 13 is provided with a sliding groove 131, the groove bottom of the sliding groove 131 is provided with an anti-falling groove 132, the placing block 12 is slidingly embedded in the sliding groove 131, the anti-falling block 121 is slidingly embedded in the anti-falling groove 132, and the sliding direction of the sliding base 13 is parallel to the length direction of the placing block 12.

[0038] Referring to Figure 2 , the upper end of the sliding base 13 is provided with a connecting opening 133, the axis of the connecting opening 133 is collinear with the axis of the rotating opening 111, the clamp 14 comprises a connecting column 141 and a clamping plate 142, the connecting column 141 is coaxially fixedly connected to one end of the clamping plate 142, the clamp 14 is provided with two, one connecting column 141 is coaxially and rotationally connected to the inner wall of the rotating opening 111, and the other connecting column 141 is coaxially and rotationally connected to the inner wall of the connecting opening 133, one end of the clamping plate 142 away from the connecting column 141 is coaxially fixedly connected with a limiting ring 143, the outer wall of the limiting ring 143 is attached to the inner wall of the vacuum couch roll, the end of the vacuum couch roll abuts against one end of the clamping plate 142 away from the connecting column 141, and the sliding base 13 is close to the support base 11 so that the two clamping plates 142 clamp and fix the vacuum couch roll.

[0039] Referring to Figure 2 and Figure 3 , the moving assembly 2 comprises a support 21, a driving roller 22, a driven roller 23, a transmission belt 24, a mounting base 25, a sliding base 26, a reciprocating screw rod 27 and a driving motor 28. The support 21 comprises two support plates 211, the support plates 211 are fixedly connected to the ground, the two support plates 211 are parallel to each other, the two ends of the driving roller 22 are rotationally connected to the two support plates 211 about the axis of the driving roller 22, the two ends of the driven roller 23 are rotationally connected to the two support plates 211 about the axis of the driven roller 23, the axis of the driving roller 22 is parallel to the axis of the driven roller 23, the driving roller 22 and the driven roller 23 are arranged on the two sides of the vacuum couch roll, the driving roller 22 is arranged close to the support base 11, the transmission belt 24 is arranged around the outer periphery of the driving roller 22 and the driven roller 23, the length direction of the transmission belt 24 is parallel to the axis of the connecting column 141, and the height of the transmission belt 24 is less than the height of the support plate 211.

[0040] Referring to Figure 3The lower end of the mounting seat 25 is connected with a supporting block 251, the lower end of the supporting block 251 is connected to the upper end of the transmission belt 24, the lower end of the mounting seat 25 is slidingly connected to the upper end of the supporting plate 211, the transmission belt 24 moves to drive the synchronous movement of the supporting block 251, the upper end of the mounting seat 25 is provided with a limiting groove 252, the length direction of the limiting groove 252 is parallel to the axis of the driving roller 22, the limiting groove 252 is provided as a dovetail groove, the lower end of the sliding seat 26 is connected with a sliding block 261, the sliding block 261 is slidingly embedded in the limiting groove 252, and the sliding direction of the sliding block 261 is parallel to the length direction of the limiting groove 252.

[0041] With reference to Figure 1 and Figure 3 , the two ends of the reciprocating screw rod 27 are rotationally connected to the groove walls of the limiting groove 252 around the axis of the reciprocating screw rod 27, the rotation axis of the reciprocating screw rod 27 is parallel to the length direction of the limiting groove 252, the sliding block 261 is provided with a threaded opening 262, the outer wall of the reciprocating screw rod 27 is connected to the inner wall of the threaded opening 262, the motor shell of the driving motor 28 is fixedly connected to one end of the mounting seat 25 away from the fixed assembly 1, and the motor shaft of the driving motor 28 is coaxially fixedly connected to the reciprocating screw rod 27. The drilling machine 3 is fixedly connected to the upper end of the sliding seat 26.

[0042] With reference to Figure 3 and Figure 4 , the control assembly 4 comprises a supporting frame 41, an abutting rod 42, a first spring 43, a rotating column 44, a first ratchet wheel 45, a check block 46, a fixed block 47 and a second spring 48. The supporting frame 41 comprises a connecting plate 411 and a supporting plate 412, the supporting frame 41 is arranged between the driving roller 22 and the driven roller 23, the connecting plate 411 and the supporting plate 412 are arranged on the two sides of the mounting seat 25 respectively, the connecting plate 411 is arranged close to the driving roller 22, the connecting plate 411 and the supporting plate 412 are fixedly connected to the upper end of the supporting plate 211, the connecting plate 411 and the supporting plate 412 are both provided with sliding openings 413, the two ends of the abutting rod 42 are slidingly connected to the inner walls of the sliding openings 413, and the sliding direction of the abutting rod 42 is parallel to the axis of the driving roller 22.

[0043] With reference to Figure 1 and Figure 4 , the abutting rod 42 is arranged on the side of the sliding seat 26 away from the supporting seat 11, one end of the first spring 43 is fixedly connected to the inner wall of the sliding opening 413 towards the supporting seat 11, the other end of the first spring 43 is fixedly connected to the end of the abutting rod 42 away from the sliding seat 26, and the abutting rod 42 is used for abutting the sliding seat 26.

[0044] With reference to Figure 2 and Figure 4The rotating column 44 is rotationally connected to the end of the connecting plate 411 away from the supporting plate 412 around its own axis, the rotating axis of the rotating column 44 is parallel to the axis of the connecting column 141, the rotating column 44 is arranged below the sliding opening 413, the first ratchet wheel 45 is coaxially fixedly connected to the outer wall of the rotating column 44, the end of the connecting plate 411 away from the supporting plate 412 is connected with the hinged column 414, the axis of the hinged column 414 is parallel to the axis of the rotating column 44, one end of the check block 46 is provided with a check opening 461, the hinged column 414 is coaxially rotationally connected to the inner wall of the check opening 461, the other end of the check block 46 abuts against the teeth of the first ratchet wheel 45, the fixed block 47 is fixedly connected to the end of the connecting plate 411 away from the supporting plate 412, the fixed block 47 is arranged below the hinged column 414, one end of the second spring 48 is fixedly connected to the upper end of the fixed block 47, the other end of the second spring 48 is fixedly connected to the check block 46.

[0045] With reference to Figure 1 and Figure 4 The transmission assembly 5 comprises a first sprocket 51, a second sprocket 52 and a transmission chain 53, the first sprocket 51 is coaxially fixedly connected to the outer wall of the rotating column 44, the first sprocket 51 is arranged on the side of the first ratchet wheel 45 away from the connecting plate 411, the second sprocket 52 is coaxially fixedly connected to the connecting column 141 close to the driving roller 22, and the transmission chain 53 is engaged with the outer periphery of the first sprocket 51 and the second sprocket 52.

[0046] The driving assembly 6 comprises a driving column 61, a second ratchet wheel 62, a pushing block 63, an anti-reverse block 64, a mounting block 65 and a third spring 66. The driving column 61 is rotationally connected to the end of the connecting plate 411 away from the supporting plate 412 around its own axis, the rotating axis of the driving column 61 is parallel to the rotating axis of the rotating column 44, the driving column 61 is arranged above the sliding opening 413, the second ratchet wheel 62 is coaxially fixedly connected to the outer wall of the driving column 61, the pushing block 63 is arranged between the first ratchet wheel 45 and the first sprocket 51, one end of the pushing block 63 is fixedly connected to the outer wall of the rotating column 44, and the other end of the pushing block 63 is used for abutting against the teeth of the second ratchet wheel 62.

[0047] With reference to Figure 4 The end of the connecting plate 411 away from the supporting plate 412 is connected with a fixed column 415, the axis of the fixed column 415 is parallel to the axis of the driving column 61, the fixed column 415 and the hinged column 414 are arranged on the two sides of the second ratchet wheel 62, one end of the anti-reverse block 64 is provided with an anti-reverse opening 641, the fixed column 415 is coaxially rotationally connected to the inner wall of the anti-reverse opening 641, the other end of the anti-reverse block 64 abuts against the teeth of the second ratchet wheel 62, the mounting block 65 is fixedly connected to the end of the connecting plate 411 away from the supporting plate 412, the mounting block 65 is arranged below the anti-reverse block 64, one end of the third spring 66 is fixedly connected to the upper end of the mounting block 65, and the other end of the third spring 66 is fixedly connected to the anti-reverse block 64.

[0048] With reference toFigure 4 and Figure 5 The linkage assembly 7 comprises a first bevel gear 71, a connecting block 72, a linkage rod 73, a second bevel gear 74, a first synchronous wheel 75, a second synchronous wheel 76 and a synchronous belt 77. The first bevel gear 71 is coaxially fixedly connected to the outer wall of the driving column 61, and is arranged on the side of the second ratchet wheel 62 away from the connecting plate 411. The connecting block 72 is fixedly connected to the end of the connecting plate 411 away from the supporting plate 412, and is provided with a linkage opening 721, the axis of which is parallel to the axis of the driving roller 22. The linkage rod 73 is coaxially rotationally connected to the inner wall of the linkage opening 721. The second bevel gear 74 is coaxially fixedly connected to the end of the linkage rod 73 towards the first bevel gear 71, and is engaged with the first bevel gear 71. The first synchronous wheel 75 is coaxially fixedly connected to the end of the linkage rod 73 away from the second bevel gear 74. The second synchronous wheel 76 is coaxially fixedly connected to one end of the driving roller 22. The synchronous belt 77 is wound around the outer periphery of the first synchronous wheel 75 and the second synchronous wheel 76.

[0049] The implementation principle of the hole expanding device of the vacuum couch roll in the embodiment of the application is as follows: the sliding seat 13 slides to fix the vacuum couch roll on the clamp 14, the connecting column 141 rotates on the supporting seat 11 to drive the vacuum couch roll to rotate synchronously with the synchronous belt 77, the drilling machine 3 is started, the driving motor 28 is started, the control reciprocating screw rod 27 is rotated, the sliding block 261 slides back and forth in the limiting groove 252, when the sliding seat 26 approaches the vacuum couch roll, the drilling machine 3 drills holes in the vacuum couch roll, when the sliding seat 26 moves away from the vacuum couch roll, the sliding seat 26 abuts against the abutting rod 42, so that the abutting rod 42 drives the first ratchet wheel 45 to rotate, the rotating column 44 rotates synchronously, the connecting column 141 is driven to rotate through the transmission assembly 5, so that the vacuum couch roll rotates, the sliding seat 26 approaches the vacuum couch roll to drill holes, the first spring 43 drives the abutting rod 42 to reset, and the operation is repeated until the circumferential drilling of the vacuum couch roll is completed. While the rotating column 44 rotates, the push block 63 is driven to rotate, the push block 63 rotates one circle to drive the second ratchet wheel 62 once, the driving column 61 rotates to drive the driving roller 22 to rotate through the linkage assembly 7, so that the transmission belt 24 drives the mounting seat 25 to displace to the next drilling point of the vacuum couch roll.

[0050] The above are preferred embodiments of the application, which do not limit the protection scope of the application, and therefore: any equivalent changes made on the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A reaming device for a vacuum couch roll, characterized by: It includes clamp (14), support seat (11), drilling machine (3), sliding seat (26) and mounting seat (25), the axis of the clamp (14) is collinear with the axis of the vacuum roller, the clamp (14) is rotatably connected to the support seat (11) around its own axis, the drilling machine (3) is used for drilling on the vacuum roller, the drilling machine (3) is fixedly connected to the sliding seat (26), the sliding seat (26) is slidably connected to the mounting seat (25), the sliding direction of the sliding seat (26) is parallel to the radial direction of the vacuum roller, and the sliding direction of the mounting seat (25) is parallel to the axial direction of the vacuum roller; It also includes support frame (21), driving roller (22), driven roller (23) and transmission belt (24), the driving roller (22) and the driven roller (23) are rotatably connected to the support frame (21) around their own axes, the axis of the driving roller (22) is parallel to the axis of the driven roller (23), the rotation axis of the driving roller (22) is parallel to the sliding direction of the sliding seat (26), and the transmission belt (24) is arranged on the outer periphery of the driving roller (22) and the driven roller (23), and the transmission belt (24) is used to drive the mounting seat (25) to slide; It also includes support frame (41), abutting rod (42), first spring (43), rotating column (44) and first ratchet (45), the support frame (41) is fixedly connected to the support frame (21), the support frame (41) is provided with a sliding opening (413), the abutting rod (42) is slidably connected to the inner wall of the sliding opening (413), the sliding direction of the abutting rod (42) is parallel to the sliding direction of the sliding seat (26), the abutting rod (42) is arranged on the side of the sliding seat (26) away from the support seat (11), one end of the first spring (43) is fixedly connected to the inner wall of the sliding opening (413) facing the support seat (11), the other end of the first spring (43) is fixedly connected to the end of the abutting rod (42) away from the sliding seat (26), the abutting rod (42) is used for abutting the sliding seat (26), the rotating column (44) is rotatably connected to the support frame (41) around its own axis, the rotation axis of the rotating column (44) is parallel to the rotation axis of the clamp (14), and the first ratchet (45) is coaxially fixedly connected to the rotating column (44), the abutting rod (42) is used to drive the first ratchet (45) to rotate, and the rotating column (44) drives the clamp (14) to rotate through the transmission assembly (5); It also includes driving column (61), second ratchet (62) and pushing block (63), the driving column (61) is rotatably connected to the support frame (41) around its own axis, the rotation axis of the driving column (61) is parallel to the rotation axis of the rotating column (44), the second ratchet (62) is coaxially fixedly connected to the driving column (61), one end of the pushing block (63) is fixedly connected to the outer wall of the rotating column (44), the other end of the pushing block (63) is used to drive the second ratchet (62) to rotate, and the driving column (61) drives the driving roller (22) to rotate through the linkage assembly (7).

2. A reaming device for a vacuum impression cylinder as claimed in claim 1, characterized in that: The transmission assembly (5) comprises a first chain wheel (51), a second chain wheel (52) and a transmission chain (53), the first chain wheel (51) is coaxially fixedly connected to the rotating column (44), the second chain wheel (52) is coaxially fixedly connected to the clamp (14), and the transmission chain (53) is engaged with the outer peripheries of the first chain wheel (51) and the second chain wheel (52).

3. A reaming device for a vacuum impression cylinder as defined in claim 1, characterized in that: The reaming device of the vacuum couch roll further comprises a check block (46), a fixed block (47) and a second spring (48), one end of the check block (46) is hingedly connected to the support frame (41), the other end of the check block (46) abuts against the outer wall of the first ratchet wheel (45), the hinging axis of the check block (46) and the support frame (41) is parallel to the rotating axis of the first ratchet wheel (45), the fixed block (47) is fixedly connected to the support frame (41), one end of the second spring (48) is fixedly connected to the check block (46), and the other end of the second spring (48) is fixedly connected to the fixed block (47).

4. A reaming device for a vacuum impression cylinder as defined in claim 1, characterized in that: The linkage assembly (7) comprises a first bevel gear (71), a connecting block (72), a linkage rod (73), a second bevel gear (74), a first synchronous wheel (75), a second synchronous wheel (76) and a synchronous belt (77), the first bevel gear (71) is coaxially fixedly connected to the driving column (61), the connecting block (72) is fixedly connected to the support frame (41), the linkage rod (73) is rotationally connected to the connecting block (72) around its own axis, the rotating axis of the linkage rod (73) is parallel to the axis of the driving roller (22), the second bevel gear (74) and the first synchronous wheel (75) are coaxially fixedly connected to the linkage rod (73), the second bevel gear (74) is engaged with the first bevel gear (71), the second synchronous wheel (76) is coaxially fixedly connected to the driving roller (22), and the transmission belt (24) is sleeved on the outer peripheries of the first synchronous wheel (75) and the second synchronous wheel (76).

5. A reaming device for a vacuum impression cylinder as defined in claim 1, characterized in that: The reaming device of the vacuum couch roll further comprises an anti-reverse block (64), a mounting block (65) and a third spring (66), one end of the anti-reverse block (64) is hingedly connected to the support frame (41), the other end of the anti-reverse block (64) abuts against the outer wall of the second ratchet wheel (62), the hinging axis of the anti-reverse block (64) and the support frame (41) is parallel to the rotating axis of the second ratchet wheel (62), the mounting block (65) is fixedly connected to the support frame (41), one end of the third spring (66) is fixedly connected to the anti-reverse block (64), and the other end of the third spring (66) is fixedly connected to the mounting block (65).

6. A reaming device for a vacuum impression cylinder as defined in claim 1, characterized in that: The reaming device of the vacuum couch roll further comprises a reciprocating screw rod (27) and a driving motor (28), the reciprocating screw rod (27) is rotationally connected to the mounting base (25) around its own axis, the sliding seat (26) is provided with a threaded opening (262), the outer wall of the reciprocating screw rod (27) is connected to the inner wall of the threaded opening (262), the motor shell of the driving motor (28) is fixedly connected to the mounting base (25), and the motor shaft of the driving motor (28) is coaxially fixedly connected to the reciprocating screw rod (27).

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