CN212170680U

CN212170680U - A structure of flattening for cutting machine

Info

Publication number: CN212170680U
Application number: CN202020847011.4U
Authority: CN
Inventors: 吴祖群
Original assignee: Hangzhou Yubang Printing Co ltd
Current assignee: Hangzhou Yubang Printing Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-12-18
Anticipated expiration: 2030-05-19

Abstract

The utility model relates to a flattening structure for a splitting machine, which comprises a frame, wherein the frame comprises two side plates which are arranged in parallel, the side plates are respectively and symmetrically provided with a first installation part and a second installation part, a driving belt roller is rotationally connected between the first installation parts, a driven belt roller is rotationally connected between the second installation parts, a motor is fixed on the first mounting part, a belt is tensioned and wound between the driving belt roller and the driven belt roller, a plurality of belts are uniformly arranged along the length direction of the driving belt roller, third mounting parts are symmetrically arranged on the side plates, a mounting rod is fixed between the first mounting part and the third mounting parts along the width direction, a plurality of mounting pieces are sleeved on the mounting rod along the length direction, connecting pieces are rotatably connected on the mounting pieces, one end of the connecting piece, which is far away from the mounting piece, is rotatably connected with a pressing wheel, and the rotating plane of the pressing wheel is vertical to the axis of the driving belt roller. The utility model discloses have and to carry out the effect fixed to the cardboard after cutting in the transportation.

Description

A structure of flattening for cutting machine

Technical Field

The utility model belongs to the technical field of the technique of cutting machine and specifically relates to a structure of flattening for cutting machine is related to.

Background

At present, in the production process of sheet materials such as cardboard or film, a splitting machine is generally used for cutting a rolled raw material paper roll or film roll into a shape meeting the processing requirements.

Current cutting machine includes the fuselage, is equipped with the cutting structure that is used for cutting the raw materials in the fuselage, is equipped with the conveyer belt that is used for transporting the raw materials and cuts the back cardboard in the direction of fuselage feeding and ejection of compact.

The above prior art solutions have the following drawbacks: after the paper roll is cut into the paper boards, the acting force when the connection between the front paper board and the rear paper board is lost, so that the paper boards are easy to roll over or misplace when being conveyed on a conveying belt, and the subsequent processing is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a structure of flattening for cutting machine has the effect that can fix the cardboard after cutting in the transportation.

The above object of the present invention can be achieved by the following technical solutions:

a flattening structure for a splitting machine comprises a machine frame, the machine frame comprises two side plates which are arranged in parallel, the side plates are respectively and symmetrically provided with a first installation part and a second installation part, a driving belt roller is rotationally connected between the first installation parts, a driven belt roller is rotationally connected between the second installation parts, a motor for driving the driving belt roller to rotate is fixed on the first mounting part, a belt is tensioned and wound between the driving belt roller and the driven belt roller, a plurality of belts are uniformly arranged along the length direction of the driving belt roller, third mounting parts are symmetrically arranged on the side plates, a mounting rod is fixed between the first mounting part and the third mounting parts along the width direction, a plurality of mounting pieces are sleeved on the mounting rod along the length direction, connecting pieces are rotatably connected on the mounting pieces, one end of the connecting piece, which is far away from the mounting piece, is rotatably connected with a pressing wheel, and the rotating plane of the pressing wheel is vertical to the axis of the driving belt roller.

Through adopting above-mentioned technical scheme, during the installation, pass the conveyer belt of transportation cardboard between the curb plate of both sides to make the lower surface and the pinch roller butt of belt in the conveyer belt, under the drive of motor, belt and conveyer belt are with the equidirectional motion of same speed. Because connecting piece and installed part rotate to be connected, consequently under the action of gravity of connecting piece and pinch roller, the pinch roller will butt in the conveyer belt surface to produce under the effect of conveyer belt surface friction and rotate. When the cardboard after the completion is cut is transported forward by the drive belt, make through first installation department when the cardboard, the cardboard will enter into between belt and the conveyer belt, under the centre gripping of belt, just can prevent that the cardboard from turning over in the data send process, fixes the cardboard, and stability when improving the conveying makes the cardboard keep a comparatively stable transport state, makes things convenient for the cardboard to carry out the processing operation on next step. And when the cardboard passes through first installation department and third installation department, still can be further flattened by the pinch roller, make the cardboard keep leveling, stability when further improving the transportation.

The present invention may be further configured in a preferred embodiment as: the mounting piece is connected with the mounting rod in a sliding mode along the length direction of the mounting rod, the mounting piece is provided with a positioning hole, the positioning hole is communicated to the surface of the mounting rod, a positioning bolt is connected to the surface of the mounting rod in a threaded mode, the positioning bolt abuts against the surface of the mounting rod, and a first rotating handle is fixed on one side, far away from the positioning hole, of the positioning bolt.

Through adopting above-mentioned technical scheme, after unscrewing positioning bolt, the installed part just can slide on the installation pole to the position of butt joint point between adjustable pinch roller and the conveyer belt. When processing the scroll of unidimensional, the width of the cardboard after cutting is also different, through the position of adjustment pinch roller, makes the pinch roller butt in the cardboard more evenly, makes its transportation in the cardboard of different width applicable, can all play better effect of flattening to the cardboard of different width. And after the adjustment to the installed part is accomplished, only need screw up positioning bolt, just can fix the installed part, the setting up of first commentaries on classics handle makes operating personnel can light more laborsavingly rotate positioning bolt.

The present invention may be further configured in a preferred embodiment as: an upper abutting sheet is fixed on the mounting piece, a lower abutting sheet is fixed on the connecting piece, and a spring is fixed between the upper abutting sheet and the lower abutting sheet.

Through adopting above-mentioned technical scheme, because last butt piece is fixed in the installed part, lower butt piece is fixed in the connecting piece, and is connected for rotating between connecting piece and the installed part to the installed part is fixed in the installation pole, but consequently goes up butt piece and down relative motion between the butt piece, under the spring action of spring, just can apply a decurrent pressure to butt piece and connecting piece down, thereby make the pinch roller can be more stable laminate in the conveyer belt surface. And at the in-process of conveying the cardboard, because the cardboard has certain thickness, can play certain lifting effect to the pinch roller, after the cardboard passed through, the spring then can play the effect that resets to the pinch roller.

The present invention may be further configured in a preferred embodiment as: be equipped with the regulating part on last butt piece, wear to be equipped with adjusting screw on the regulating part, adjusting screw and regulating part threaded connection, adjusting screw wears out from last butt piece below, rotates on the terminal surface that wears out on adjusting screw follow last butt piece and is connected with the regulation and supports the piece, and one side and the regulation of support piece fixed connection of support piece under spring keeps away from, and one side of keeping away from the regulation at adjusting screw and supporting the piece is fixed with the second and changes the handle.

Through adopting above-mentioned technical scheme, when changeing through the second and rotating adjusting screw, because adjusting screw and adjusting part threaded connection, consequently just can make adjusting screw produce axial motion for the adjusting part to change and adjust the distance that supports between piece to the lower butt piece, and then change the elasticity of spring. When the distance between the adjusting abutting piece and the lower abutting piece is reduced, the compression amount of the spring is increased, the elasticity of the spring is larger, when the distance between the adjusting abutting piece and the lower abutting piece is increased, the compression amount of the spring is reduced, and the elasticity of the spring is smaller, so that the adjustment of the elasticity of the spring is realized, and the pressing wheel can have more proper pressure on different paperboards.

The present invention may be further configured in a preferred embodiment as: the mounting rod is provided with a limiting groove along the length direction, the mounting part is fixed with a limiting block, and the limiting block is connected with the limiting groove in a sliding manner.

Through adopting above-mentioned technical scheme, when the installed part was slided on the installation pole, spacing groove and stopper can play the spacing effect of circumference to the installed part, prevent that installed part and installation pole from producing relative rotation to keep the same position all the time between butt piece and the installation pole on making, the last butt piece that makes each installed part all can keep in same position, thereby conveniently makes the spring on the different installed parts keep the same elasticity.

The present invention may be further configured in a preferred embodiment as: the side wall of the pinch roller is provided with a circular mounting groove, a central rod is coaxially fixed in the mounting groove, a plurality of weight plates are coaxially sleeved on the central rod, and a butterfly nut is connected to the central rod in a threaded manner and abuts against the weight plates tightly.

Through adopting above-mentioned technical scheme, be equipped with removable counterweight in the pinch roller to the realization is to the regulation of pinch roller gravity, and the pressure when further adjusting the pinch roller butt in the conveyer belt makes the use that the pinch roller can be better flatten to different cardboards. When dismouting counterweight plate, only need unscrew butterfly nut and take off from the center rod, then just can establish the counterweight plate of required quantity according to the demand cover on the center rod, at last twist on butterfly nut can.

The present invention may be further configured in a preferred embodiment as: the upper surface of the side plate is provided with a rack along the length direction, the two side walls of the side plate are provided with sliding grooves along the length direction, the third mounting part comprises a mounting part main body and two sliding parts, the sliding parts are fixed at the two sides of the mounting part main body and are connected with the sliding grooves in a sliding way, a mounting cavity is arranged on one side of the mounting part main body facing the side plate, a gear is rotatably connected in the mounting cavity, side sawteeth of the gear protrude out of an opening of the mounting cavity and are meshed with the rack, a transmission rod is coaxially fixed between the two gears, the transmission rod is rotatably arranged on the side wall of the installation cavity in a penetrating way, a rotating rod is rotatably arranged on the side wall of one installation part main body in a penetrating way, the rotating rod penetrates into the installation cavity and is coaxially fixed on the gears, the end of the rotating rod is fixed with a hand wheel, a fixed rod is arranged on one sliding part in a penetrating mode, the fixed rod is connected with the sliding part in a threaded mode, and the fixed rod abuts against the side wall of the side plate tightly.

By adopting the technical scheme, when the hand wheel is rotated, the gears on the two sides can be synchronously rotated under the driving of the rotating rod and the transmission rod, and the third installation part can move along the direction of the rack under the limiting of the sliding groove and the sliding part when the gears rotate due to the meshing of the gears and the rack, so that the position of the third installation part is adjusted, namely, the position of the pressing wheel connected to the third installation part is adjusted, and the pressing wheel can be suitable for paper boards with different lengths. And through screwing up the dead lever, make the dead lever support the curb plate tightly, just can fix the third installation department.

The present invention may be further configured in a preferred embodiment as: spacing is fixed with along width direction between first installation department and second installation department, evenly is equipped with spacing tooth along length direction on spacing, and the belt passes from between the spacing tooth, and the interval and the belt width of adjacent spacing tooth are the same.

Through adopting above-mentioned technical scheme, under the spacing of spacing tooth, can prevent that the belt from producing the lateral displacement at the rotation in-process, make the belt keep parallel with the conveyer belt direction all the time in the motion process.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the paper boards in transportation can be flattened, so that the paper boards are prevented from being turned over and displaced;

2. the pressure of the pressing wheel is adjustable when the pressing wheel is pressed;

3. the position of the pinch roller is adjustable;

4. the flattening structure of the belt and the pinch roller is stable.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a first schematic view of the structure of the pressing wheel;

FIG. 4 is a second schematic structural diagram of the pressing wheel;

fig. 5 is a partial cross-sectional view of the third mounting portion.

In the figure, 10, a frame; 11. a side plate; 111. a rack; 112. a chute; 12. a base plate; 20. a first mounting portion; 21. a second mounting portion; 22. a third mounting portion; 221. a mounting portion body; 222. a sliding part; 223. a mounting cavity; 224. a gear; 225. a transmission rod; 226. rotating the rod; 227. a hand wheel; 228. fixing the rod; 229. a third rotating handle; 30. a driving belt roller; 31. a driven belt roller; 32. a belt; 33. a motor; 40. mounting a rod; 41. a mounting member; 42. a connecting member; 43. a pinch roller; 431. mounting grooves; 432. a center pole; 433. a weight plate; 434. a butterfly nut; 44. positioning holes; 45. positioning the bolt; 451. a first rotating handle; 46. an upper abutting piece; 461. an adjustment member; 462. adjusting the screw rod; 463. adjusting the abutting sheet; 464. a second rotating handle; 47. a lower contact piece; 48. a spring; 49. a limiting groove; 491. a limiting block; 50. a limiting strip; 51. and a limiting tooth.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a structure of flattening for cutting machine, including frame 10, frame 10 includes two parallel arrangement's curb plate 11, is fixed with the bottom plate 12 of connecting both sides board 11 below curb plate 11. The side plate 11 is symmetrically provided with a first installation part 20 and a second installation part 21 respectively, a driving belt roller 30 is connected between the first installation part 20 in a rotating mode, a driven belt roller 31 is connected between the second installation part 21 in a rotating mode, a motor 33 used for driving the driving belt roller 30 to rotate is fixed on the first installation part 20, a rotating shaft of the motor 33 penetrates through the side plate 11 and is coaxially fixed on the driving belt roller 30, a belt 32 is wound between the driving belt roller 30 and the driven belt roller 31 in a tensioning mode, and six belts 32 are uniformly arranged along the length direction of the driving belt roller 30. A limiting strip 50 is fixed between the first mounting part 20 and the second mounting part 21 along the width direction, limiting teeth 51 are uniformly arranged on the limiting strip 50 along the length direction, the belt 32 penetrates through the limiting teeth 51, and the distance between every two adjacent limiting teeth 51 is the same as the width of the belt 32.

When the paper board conveying device is installed, a conveying belt for conveying paper boards penetrates between the two side plates 11, the lower surface of the belt 32 and the pressing wheel 43 abut against the conveying belt, and the belt 32 and the conveying belt move in the same direction at the same speed under the driving of the motor 33. Under the spacing and centre gripping of belt 32, just can make the cardboard laminate in the conveyer belt steadily, prevent that the cardboard from turning over in the transportation. The limiting teeth 51 can limit the belt 32 laterally, so as to prevent the belt 32 from shifting during the movement.

Referring to fig. 1 and 3, third mounting portions 22 are symmetrically provided on the side plate 11, and the third mounting portions 22 are located between the first mounting portion 20 and the second mounting portion 21. An installation rod 40 is fixed between the first installation part 20 and the third installation part 22 along the width direction, five installation parts 41 are sleeved on the installation rod 40 along the length direction, a connecting part 42 is rotatably connected to the installation parts 41, one end of the connecting part 42 far away from the installation parts 41 is rotatably connected with a pressing wheel 43, and the rotating plane of the pressing wheel 43 is perpendicular to the axis of the driving belt roller 30. In the process of transporting the paper boards, the pressing wheel 43 can abut against the surfaces of the paper boards, so that the paper boards are further flattened, and the stability of the paper boards in the transporting process is improved.

Referring to fig. 3, the mounting member 41 is slidably coupled to the mounting rod 40 along a longitudinal direction thereof, a positioning hole 44 is formed in the mounting member 41, the positioning hole 44 communicates with a surface of the mounting rod 40, a positioning bolt 45 is threadedly coupled to the positioning hole 44, the positioning bolt 45 abuts against the surface of the mounting rod 40, and a first rotating handle 451 is fixed to a side of the positioning bolt 45 away from the positioning hole 44. A stopper groove 49 is formed in the mounting rod 40 in the longitudinal direction, a stopper 491 is fixed to the mounting member 41, and the stopper 491 is slidably connected to the stopper groove 49. Loosening the positioning bolts 45 allows the mounting member 41 to slide freely on the mounting bar 40, thereby adjusting the relative position of the pressing wheel 43.

Referring to fig. 3, an upper contact piece 46 is fixed to the mounting 41, and a lower contact piece 47 is fixed to the link 42. An adjusting piece 461 is arranged on the upper abutting piece 46, an adjusting screw 462 is arranged on the adjusting piece 461 in a penetrating way, the adjusting screw 462 is in threaded connection with the adjusting piece 461, the adjusting screw 462 penetrates out from the lower part of the upper abutting piece 46, an adjusting abutting piece 463 is connected on the end surface of the adjusting screw 462 penetrating out from the upper abutting piece 46 in a rotating way, and a second rotating handle 464 is fixed on one side of the adjusting screw 462 far away from the adjusting abutting piece 463. A spring 48 is provided between the adjustment abutting piece 463 and the lower abutting piece 47, and both ends of the spring 48 are fixed to the adjustment abutting piece 463 and the lower abutting piece 47, respectively. The spring 48 can provide a downward pressure to the lower contact piece 47 to make the pressing wheel 43 contact the conveyor belt more stably, and the compression length of the spring 48 can be adjusted by rotating the adjusting screw 462, so as to adjust the pressure when the pressing wheel 43 contacts.

Referring to fig. 4, a circular mounting groove 431 is formed in the side wall of the pressing wheel 43, a central rod 432 is coaxially fixed in the mounting groove 431, a plurality of weight plates 433 are coaxially sleeved on the central rod 432, a butterfly nut 434 is connected to the central rod 432 in a threaded manner, and the butterfly nut 434 abuts against the weight plates 433. The pressure roller 43 is internally provided with a freely detachable weight plate 433, so that the gravity of the pressure roller 43 can be adjusted, and the pressure when the pressure roller 43 is abutted can be further adjusted by matching with the spring 48.

Referring to fig. 1 and 5, a rack 111 is disposed on an upper surface of the side plate 11 along a length direction, sliding grooves 112 are formed on both side walls of the side plate 11 along the length direction, the third mounting portion 22 includes a mounting portion main body 221 and two sliding portions 222, the sliding portions 222 are fixed on both sides of the mounting portion main body 221, the sliding portions 222 are slidably connected to the sliding grooves 112, a mounting cavity 223 is formed on one side of the mounting portion main body 221 facing the side plate 11, a gear 224 is rotatably connected in the mounting cavity 223, side serrations of the gear 224 protrude out of an opening of the mounting cavity 223 and are engaged with the rack 111, a transmission rod 225 is coaxially fixed between the two gears 224, the transmission rod 225 is rotatably disposed through the side walls of the mounting cavity 223, a rotation rod 226 is rotatably disposed through a side wall of one of the mounting portion main body 221, the rotation rod 226 penetrates through the inside the mounting cavity 223, a fixing rod 228 is inserted into one of the sliding portions 222, the fixing rod 228 is screwed to the sliding portion 222, the fixing rod 228 abuts against the side wall of the side plate 11, and a third rotating handle 229 is fixed to the end of the fixing rod 228.

The implementation principle of the embodiment is as follows:

1. when the paper conveying device is installed, the conveying belt for conveying paper boards penetrates through the space between the side plates 11 on the two sides, the lower surface of the belt 32 and the pressing wheel 43 abut against the conveying belt, and the belt 32 and the conveying belt move in the same direction at the same speed under the driving of the motor 33. Since the connecting element 42 and the mounting element 41 are rotationally connected, the pressing wheel 43 abuts against the surface of the conveyor belt under the gravity of the connecting element 42 and the pressing wheel 43, and is rotated under the friction force of the surface of the conveyor belt. When the cut paper board is conveyed forwards by the transmission belt, the paper board can enter between the belt 32 and the transmission belt through the first mounting part 20, and the paper board can be prevented from being turned over in the transmission process under the clamping of the belt 32, so that the paper board is fixed. When the paper board passes through the first installation part 20 and the third installation part 22, the paper board is further flattened by the pressing wheel 43, so that the paper board is kept flat, and the stability during transportation is further improved.

2. By changing the weight of the weight plate 433 in the mounting groove 431 of the pressing wheel 43 and changing the distance between the adjusting abutting piece 463 and the lower abutting piece 47, the pressure when the pressing wheel 43 abuts against the conveying belt can be changed, so that the pressing wheel 43 can be applicable to flattening of paper boards with different surface friction forces. The pressing force of the pressing roller 43 can be increased when the paper board with a relatively smooth surface is flattened, and the pressing force of the pressing roller 43 can be properly reduced when the paper board with a relatively rough surface is flattened.

3. After the positioning bolt 45 is loosened by the first rotating handle 451, the position of the mounting member 41 on the mounting bar 40 can be adjusted. By turning the handwheel 227, the spacing between the two mounting bars 40, and thus the spacing between the press wheels 43 on both sides, can be adjusted. After adjustment, the pressing roller 43 can be adapted to press paper sheets of different sizes.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a structure of flattening for cutting machine which characterized in that: the belt conveyor comprises a rack (10), wherein the rack (10) comprises two side plates (11) which are arranged in parallel, a first installation part (20) and a second installation part (21) are symmetrically arranged on each side plate (11), a driving belt roller (30) is rotatably connected between the first installation parts (20), a driven belt roller (31) is rotatably connected between the second installation parts (21), a motor (33) for driving the driving belt roller (30) to rotate is fixed on each first installation part (20), a belt (32) is wound between the driving belt roller (30) and the driven belt roller (31) in a tensioning mode, a plurality of belts (32) are uniformly arranged along the length direction of the driving belt roller (30), third installation parts (22) are symmetrically arranged on the side plates (11), an installation rod (40) is fixed between the first installation parts (20) and the third installation parts (22) along the width direction, and a plurality of installation parts (41) are sleeved on the installation rod (40) along the length direction, the connecting piece (42) is rotatably connected to the mounting piece (41), one end, far away from the mounting piece (41), of the connecting piece (42) is rotatably connected with the pressing wheel (43), and the rotating plane of the pressing wheel (43) is perpendicular to the axis of the driving belt roller (30).

2. A flattening structure for splitting machines according to claim 1, characterized in that: the mounting piece (41) is connected with the mounting rod (40) in a sliding mode along the length direction of the mounting rod, a positioning hole (44) is formed in the mounting piece (41), the positioning hole (44) is communicated to the surface of the mounting rod (40), a positioning bolt (45) is connected to the positioning hole (44) in a threaded mode, the positioning bolt (45) abuts against the surface of the mounting rod (40), and a first rotating handle (451) is fixed on one side, away from the positioning hole (44), of the positioning bolt (45).

3. A flattening structure for splitting machines according to claim 2, characterized in that: an upper contact piece (46) is fixed to the mounting piece (41), a lower contact piece (47) is fixed to the connecting piece (42), and a spring (48) is fixed between the upper contact piece (46) and the lower contact piece (47).

4. A flattening structure for splitting machines according to claim 3, characterized in that: be equipped with regulating part (461) on last butt piece (46), wear to be equipped with adjusting screw (462) on regulating part (461), adjusting screw (462) and regulating part (461) threaded connection, adjusting screw (462) are worn out from last butt piece (46) below, it is connected with regulation butt piece (463) to rotate on the terminal surface that adjusting screw (462) are worn out from last butt piece (46), one side and regulation butt piece (463) fixed connection of spring (48) keeping away from lower butt piece (47), be fixed with second commentaries on classics handle (464) in one side that adjusting screw (462) keep away from regulation butt piece (463).

5. A flattening structure for splitting machines according to claim 3, characterized in that: a limiting groove (49) is formed in the mounting rod (40) along the length direction, a limiting block (491) is fixed on the mounting piece (41), and the limiting block (491) is connected to the limiting groove (49) in a sliding mode.

6. A flattening structure for splitting machines according to claim 1, characterized in that: round mounting groove (431) is opened on the lateral wall of pinch roller (43), and coaxial fixed has well core rod (432) in mounting groove (431), and coaxial cover is equipped with a plurality of counter weight pieces (433) on well core rod (432), and threaded connection has butterfly nut (434) on well core rod (432), and butterfly nut (434) support tight counter weight piece (433).

7. A flattening structure for splitting machines according to claim 1, characterized in that: the upper surface of the side plate (11) is provided with a rack (111) along the length direction, two side walls of the side plate (11) are respectively provided with a sliding groove (112) along the length direction, the third installation part (22) comprises an installation part main body (221) and two sliding parts (222), the sliding parts (222) are fixed on two sides of the installation part main body (221), the sliding parts (222) are connected to the sliding grooves (112) in a sliding manner, an installation cavity (223) is formed in one side, facing the side plate (11), of the installation part main body (221), a gear (224) is rotatably connected in the installation cavity (223), side sawteeth of the gear (224) protrude out of an opening of the installation cavity (223) and are meshed with the rack (111), a transmission rod (225) is coaxially fixed between the two gears (224), the transmission rod (225) rotatably penetrates through the side walls of the installation cavity (223), and a rotating rod (226), the rotating rod (226) penetrates into the mounting cavity (223) and is coaxially fixed on the gear (224), a hand wheel (227) is fixed at the tail end of the rotating rod (226), a fixing rod (228) penetrates through one sliding portion (222), the fixing rod (228) is in threaded connection with the sliding portion (222), and the fixing rod (228) abuts against the side wall of the side plate (11).

8. A flattening structure for splitting machines according to claim 1, characterized in that: spacing strip (50) are fixed with along width direction between first installation department (20) and second installation department (21), evenly be equipped with spacing tooth (51) along length direction on spacing strip (50), belt (32) pass between spacing tooth (51), and the interval and the belt (32) width of adjacent spacing tooth (51) are the same.