CN112746498B

CN112746498B - Clearance adjustment mechanism based on melt-blown fabric cutting production

Info

Publication number: CN112746498B
Application number: CN202110154175.8A
Authority: CN
Inventors: 庞春霞
Original assignee: Huizhou Hongsheng Laifen Technology Co ltd
Current assignee: Huizhou Hongsheng Laifen Technology Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2023-01-06
Anticipated expiration: 2041-02-04
Also published as: CN112746498A

Abstract

The invention discloses a gap adjusting mechanism based on cutting production of melt-blown fabric, relates to the technical field of melt-blown fabric processing, and solves the problems that the existing cutting mechanism mainly realizes cutting through a fixed-point blade and does not have a convenient and rapid independent adjusting function because the width is uniformly controlled to be adjusted through a scissor mechanism. A clearance adjusting mechanism based on melt-blown fabric cutting production comprises a bottom plate; the top of the bottom plate is fixedly provided with a wedge-shaped guide frame, and the front side of the wedge-shaped guide frame is an inclined plane; a motor base is fixedly arranged on one side of the top of the bottom plate; the fixed frame strip that is provided with in bottom plate top one side, the frame strip transversely aligns with the center of motor cabinet, through being provided with controlling means, provides convenient stable independent adjustment function for adjustment mechanism, can be fast carry out independent adjustment with the interval that removes the knife rest, can process the product of preparation different grade type simultaneously.

Description

Clearance adjustment mechanism based on melt-blown fabric cutting production

Technical Field

The invention relates to the technical field of melt-blown fabric processing, in particular to a gap adjusting mechanism based on melt-blown fabric cutting production.

Background

After melt-blown fabric processing is accomplished, often need use the cutting machine to cut, the cutting machine generally includes frame, blade dead lever, transfer roller and wind-up roll, is equipped with a plurality of spliced eyes that are used for grafting blade on the blade dead lever, and the blade can be according to required size, grafting blade in the spliced eye on the blade dead lever to adjust the big of cutting.

Through retrieving for example patent No. CN212199818U discloses a melt-blown fabric cutting clearance adjustment mechanism, belongs to melt-blown fabric processing technology field, and it includes the tool bit, the quantity of tool bit is a plurality of, the last fixed surface of tool bit is connected with the connecting block, the connecting block passes through two bolts and fixed block fixed connection, the last fixed surface of fixed block is connected with the connecting plate, a plurality of the connecting plate all is articulated through round pin axle and same alternately cut formula expansion bracket, two in the outermost side the equal fixedly connected with fixed plate of upper surface of connecting plate. This melt-blown fabric cutting clearance adjustment mechanism changes handle, a screw thread section of thick bamboo, screw thread post and crossing formula expansion bracket through the setting to make this device need not take out the tool bit and carry out the placing and fixed work of position again, guaranteed the convenience of this device operation, saved the time, can guarantee the uniformity and the accuracy that the tool bit was adjusted moreover, improved the quality of cutting, thereby made things convenient for staff's use.

However, the cutting mechanism used at present mainly realizes cutting through the fixed point blade, and the width is controlled in a unified manner through the scissors mechanism to be adjusted, so that the cutting mechanism does not have a convenient and fast independent adjusting function, is low in cutting efficiency, is easy to clamp and is not beneficial to efficient production, therefore, the existing requirements are not met, and a gap adjusting mechanism based on melt-blown fabric cutting production is provided for the cutting mechanism.

Disclosure of Invention

Problem (A)

The invention aims to provide a gap adjusting mechanism based on meltblown cutting production, and aims to solve the problems that the existing cutting mechanism provided in the background technology mainly realizes cutting through a fixed-point blade and uniformly controls the width to adjust through a scissor fork mechanism, does not have a convenient and quick independent adjusting function, is low in cutting efficiency, is easy to cause a cutter clamping phenomenon, and is not beneficial to efficient production.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a clearance adjusting mechanism based on melt-blown fabric cutting production comprises a bottom plate; the top of the bottom plate is fixedly provided with a wedge-shaped guide frame, and the front side of the wedge-shaped guide frame is an inclined plane; a motor base is fixedly arranged on one side of the top of the bottom plate; a rack bar is fixedly arranged on one side of the top of the bottom plate, and the rack bar is transversely aligned with the center of the motor base; the inner sides of the motor base and the frame strip are fixedly provided with sliding rods; the motor base and the inner sides of the frame strips are rotatably provided with hexagonal shafts, and two ends of each hexagonal shaft are provided with T-shaped shaft head structures; a motor is fixedly arranged on the outer side of the motor base and is in transmission connection with a hexagonal shaft provided with a bevel gear; a movable tool rest is arranged on the outer side of the sliding rod in a sliding manner; an L-shaped frame is fixedly arranged above the rear side of the movable tool rest.

Preferably, the movable knife rest further comprises a slide hole, a jackscrew and a protective cover; the middle of the movable knife rest penetrates through two sides and is provided with a sliding hole, and the sliding hole is connected with the sliding rod in a sliding manner; a screw hole is formed in the front side of the movable tool rest in a penetrating manner through the sliding hole, and a jackscrew is fixedly arranged in the screw hole; the bottom of the movable tool rest is of a longitudinal shaft frame structure, and a rotating sleeve is rotatably arranged in the longitudinal shaft frame structure through a bearing; the front end and the rear end of the bottoms of the two sides of the movable knife rest are integrally provided with a protective cover, the main body of the protective cover is of a circular arc structure, and a driven shaft is selectively arranged at the circle center of the protective cover.

Preferably, the rotating sleeve further comprises a cutting blade and a gear ring; the inner part of the rotating sleeve is of a hexagonal sliding hole structure, and the rotating sleeve is arranged on the outer side of the hexagonal shaft in a sliding mode through clearance fit; the outer side of the middle of the rotary sleeve is fixedly provided with a cutting blade through a bolt, and the cutting blade is of a circular blade-shaped structure; gear rings are fixedly arranged on the outer sides of the two ends of the rotary sleeve.

Preferably, the driven shaft further comprises a transmission gear and a conveying roller; the outer sides of the driven shafts are all fixedly provided with transmission gears, the transmission gears and the gear rings have the same number of teeth and are meshed, and the transmission gears are all positioned in the protective covers; the outer end of driven shaft all is fixed and is provided with the conveying roller, and the surface of conveying roller is the frosting structure.

Preferably, the L-shaped frame further comprises a cushion table and a V-shaped cutting groove; two ends of the front side of the upright post part of the L-shaped frame are provided with inclined planes; the bottom of the L-shaped frame is fixedly provided with a pad table, the top of the pad table extends towards two sides, and the bottom of the conveying roller is attached to the top of the extending part of the pad table; a V-shaped cutting groove is formed in the middle of the top of the cushion table, and the bottom sides of the cutting pieces are located in the V-shaped cutting groove; the position of the cutting blade entering the V-shaped cutting groove is positioned behind the position of the front side conveying roller attaching pad table; the front side of the cushion table is attached to the rear side of the wedge-shaped guide frame.

Preferably, the top of the movable tool rest is provided with a transverse shaft frame structure, a connecting rod A and a connecting rod B are rotatably arranged in the transverse shaft frame structure through hinged connection, and the lower ends of the connecting rod A and the connecting rod B are coaxially connected in a staggered manner; the top end of the connecting rod A is connected with a connecting shaft A of a connecting rod B of the other group of movable knife rests, parallel rods are rotatably arranged at the top ends of the connecting rod A and the connecting rod B beyond the connecting shaft A through hinge connection, and connecting shafts B are arranged at the tops of two adjacent groups of parallel rods and are connected in a hinge connection; a control device is fixedly arranged at the rear side of the connecting shaft B; the parallel rods, the connecting rod A and the connecting rod B form an equilateral rhombus structure.

Preferably, the control device further comprises a rotating piece, a screw rod and a guide bar; a rotating piece is rotatably arranged in the middle of the top of the control device, a knob is arranged on the top of the rotating piece, and a screw rod is fixedly arranged at the bottom of the rotating piece; the bottom of the control device is integrally provided with guide strips at the peripheral corners.

Preferably, a lifting female block is arranged on the outer side of the guide bar in a sliding manner and is in threaded connection with the screw; the lifting female block is fixedly connected with the rear end of the connecting shaft A.

(III) advantageous effects

The invention provides a clearance adjusting mechanism based on melt-blown fabric cutting production, which is provided with a control device, provides a convenient and stable independent adjusting function for the adjusting mechanism, can quickly and independently adjust the distance between movable tool rests, can simultaneously process and manufacture different types of products, rotates a rotating piece to drive a screw rod to rotate, moves a lifting mother block through thread transmission, and when the positions of the control device and the lifting mother block are changed, the distance between a connecting shaft A and a connecting shaft B is changed, so that an equilateral rhombus structure formed by a parallel rod, a connecting rod A and a connecting rod B is changed, and the position adjustment of the movable tool rests is further realized; the rotating sleeve slides to keep transmission on the outer side of the hexagonal shaft in the moving process of the movable tool rest, the cutting distance is adjusted by adjusting the distance of the cutting blade, and the jackscrew can be screwed down to further reinforce after the adjustment is finished; the L-shaped frame moves synchronously in the moving process of the movable tool rest.

Secondly, the setting of slide bar and swivel sleeve provides power for the cutting and promotes, compares the fixed point cutting, utilizes the slide bar to drive the swivel sleeve rotatory, and the swivel sleeve drives the mode that the cutting piece is rotatory to carrying out the cutting to the melt-blown cloth more swiftly, can prevent phenomenons such as card sword.

Moreover, driven shaft and drive gear's setting provides coordinated type transport function for the cutting, can drive driven shaft and conveying roller rotatory when drive gear is rotatory, will melt and spout cloth and carry backward, and the direction of rotation of rotary sleeve and driven shaft is opposite, can realize carrying the cutting fast, and the melt after the cutting spouts the cloth and can utilize L shape frame to separate and carry out independent rolling, has promoted production efficiency.

Drawings

FIG. 1 is a schematic perspective front view of an embodiment of the present invention;

FIG. 2 is a schematic perspective rear view structure in an embodiment of the present invention;

FIG. 3 is a partially disassembled schematic view in the embodiment of the present invention;

FIG. 4 is a schematic perspective view of an L-shaped frame according to an embodiment of the present invention;

FIG. 5 is an enlarged partial structural view of part A in the embodiment of the present invention;

FIG. 6 is an enlarged partial structural view of a portion B in the embodiment of the present invention;

in fig. 1 to 6, the correspondence between the part names or lines and the reference numbers is:

1. a base plate; 101. a wedge-shaped guide frame; 2. a motor base; 3. a frame strip; 4. a slide bar; 5. a hexagonal shaft; 6. a motor; 7. moving the tool rest; 701. a slide hole; 702. carrying out top thread; 703. a protective cover; 8. a rotating sleeve; 801. cutting the slices; 802. a ring gear; 9. a driven shaft; 901. a transmission gear; 902. a conveying roller; 10. an L-shaped frame; 1001. a cushion table; 1002. v-shaped cutting grooves; 11. a connecting rod A; 12. a connecting rod B; 13. connecting the shaft A; 14. a parallel bar; 15. a connecting shaft B; 16. a control device; 1601. a rotating member; 1602. a screw; 1603. conducting bars; 17. and (5) lifting the female block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, an embodiment of the present invention includes: a clearance adjusting mechanism based on cutting production of melt-blown fabric comprises a bottom plate 1; the top of the bottom plate 1 is fixedly provided with a wedge-shaped guide frame 101, and the front side of the wedge-shaped guide frame 101 is an inclined plane; a motor base 2 is fixedly arranged on one side of the top of the bottom plate 1; a rack bar 3 is fixedly arranged on one side of the top of the bottom plate 1, and the rack bar 3 is transversely aligned with the center of the motor base 2; a sliding rod 4 is fixedly arranged on the inner sides of the motor base 2 and the frame strip 3; the inner sides of the motor base 2 and the frame strips 3 are rotatably provided with hexagonal shafts 5, and two ends of each hexagonal shaft 5 are provided with T-shaped shaft head structures; a motor 6 is fixedly arranged on the outer side of the motor base 2, and the motor 6 is in transmission connection with the hexagonal shaft 5 through a bevel gear; a movable tool rest 7 is arranged outside the sliding rod 4 in a sliding manner; the movable tool post 7 also comprises a slide hole 701, a jackscrew 702 and a protective cover 703; the middle of the movable tool rest 7 penetrates through two sides and is provided with a sliding hole 701, and the sliding hole 701 is connected with the sliding rod 4 in a sliding manner; a screw hole is formed in the front side of the movable tool rest 7 through the sliding hole 701, and a jackscrew 702 is fixedly arranged in the screw hole; the bottom of the movable tool rest 7 is of a longitudinal shaft frame structure, and a rotating sleeve 8 is rotatably arranged in the longitudinal shaft frame structure through a bearing; the rotary sleeve 8 also comprises a cutting piece 801 and a gear ring 802; the inner part of the rotating sleeve 8 is of a hexagonal sliding hole structure, and the rotating sleeve 8 is arranged on the outer side of the hexagonal shaft 5 in a sliding mode through clearance fit; the outer side of the middle of the rotating sleeve 8 is fixedly provided with a cutting piece 801 through a bolt, and the cutting piece 801 is of a circular blade-shaped structure; gear rings 802 are fixedly arranged on the outer sides of the two ends of the rotary sleeve 8; the front end and the rear end of the bottoms of the two sides of the movable tool rest 7 are integrally provided with a protective cover 703, the main body of the protective cover 703 is of an arc-shaped structure, and driven shafts 9 are selectively arranged at the circle center of the protective cover 703; the driven shaft 9 also comprises a transmission gear 901 and a conveying roller 902; the outer sides of the driven shafts 9 are fixedly provided with transmission gears 901, the transmission gears 901 are the same in tooth number as the gear ring 802 and are meshed with each other, and the transmission gears 901 are all positioned in the protective cover 703; conveying rollers 902 are fixedly arranged at the outer ends of the driven shafts 9, and the outer surfaces of the conveying rollers 902 are of frosted surface structures; an L-shaped frame 10 is fixedly arranged above the rear side of the movable knife rest 7; the L-shaped frame 10 further comprises a cushion table 1001 and a V-shaped cutting groove 1002; the front two ends of the column part of the L-shaped frame 10 are provided with inclined planes; a pad table 1001 is fixedly arranged at the bottom of the L-shaped frame 10, the top of the pad table 1001 extends towards two sides, and the bottom of the conveying roller 902 is attached to the top of the extending part of the pad table 1001; a V-shaped cutting groove 1002 is formed in the middle of the top of the pad table 1001, and the bottom sides of the cutting pieces 801 are located in the V-shaped cutting groove 1002; the position of the cutting blade 801 entering the V-shaped cutting slot 1002 is located behind the position of the front side conveying roller 902 attached to the pad table 1001; the front side of the pillow block 1001 is attached to the rear side of the wedge guide 101; the top of the movable tool rest 7 is provided with a transverse shaft frame structure, a connecting rod A11 and a connecting rod B12 are rotatably arranged in the transverse shaft frame structure through hinged connection, and the lower ends of the connecting rod A11 and the connecting rod B12 are coaxially connected in a staggered manner; the top end of the connecting rod A11 is connected with a connecting shaft A13 arranged on a connecting rod B12 of another group of movable knife rests 7, parallel rods 14 are rotatably arranged at the top ends of the connecting rods A11 and the connecting rods B12 beyond the connecting shaft A13 through hinged connection, and connecting shafts B15 are arranged at the tops of two adjacent groups of parallel rods 14 and hinged connection is achieved; a control device 16 is fixedly arranged at the rear side of the connecting shaft B15; the parallel rods 14, the connecting rod A11 and the connecting rod B12 form an equilateral rhombus structure.

The control device 16 further includes a rotary member 1601, a screw 1602, and a guide 1603; a rotating part 1601 is rotatably arranged in the middle of the top of the control device 16, a knob is arranged on the top of the rotating part 1601, and a screw 1602 is fixedly arranged at the bottom of the rotating part 1601; the bottom of the control device 16 is integrally provided with a guide bar 1603 at the peripheral corner.

Wherein, a lifting female block 17 is slidably arranged at the outer side of the guide strip 1603, and the lifting female block 17 is in threaded connection with the screw 1602; the lifting female block 17 is fixedly connected with the rear end of the connecting shaft A13.

The working principle is as follows: when the device is used, the distance between each group of movable tool rests 7 is adjusted according to processing requirements, the rotary piece 1601 is rotated to drive the screw 1602 to rotate, the screw 1602 moves the lifting master block 17 through thread transmission, and when the positions of the control device 16 and the lifting master block 17 are changed, the distance between the connecting shaft A13 and the connecting shaft B15 is changed, so that the parallel rods 14, the connecting rods A11 and the connecting rods B12 form an equilateral rhombus structure to be changed, and the position adjustment of the movable tool rests 7 is further realized; in the moving process of the movable tool rest 7, the rotating sleeve 8 slides on the outer side of the hexagonal shaft 5 to keep transmission, the cutting distance is adjusted by adjusting the distance of the cutting blade 801, and the jackscrew 702 can be screwed down for further reinforcement after adjustment is completed; the L-shaped carriages 10 move synchronously during the movement of the moving blade carriage 7.

Place the edge end of melt-blown cloth in the bottom of front side conveying roller 902, starter motor 6, motor 6 drives hexagonal axle 5 through bevel gear and rotates, hexagonal axle 5 drives each set of swivel housing 8 rotatory, swivel housing 8 drives cutting piece 801 rotation and cuts melt-blown cloth, drive gear 901 is rotatory when swivel housing 8 is rotatory, drive gear 901 drives driven shaft 9 and conveying roller 902 rotation and carries melt-blown cloth backward, swivel housing 8 and driven shaft 9's opposite direction of rotation, can realize carrying the cutting fast, melt-blown cloth after the cutting can utilize L shape frame 10 to separate and carry out independent rolling.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a clearance adjustment mechanism based on melt-blown fabric cutting production which characterized in that: comprises a bottom plate (1); the top of the bottom plate (1) is fixedly provided with a wedge-shaped guide frame (101), and the front side of the wedge-shaped guide frame (101) is an inclined plane; a motor base (2) is fixedly arranged on one side of the top of the bottom plate (1); a rack bar (3) is fixedly arranged on one side of the top of the bottom plate (1), and the rack bar (3) is transversely aligned with the center of the motor base (2); a sliding rod (4) is fixedly arranged on the inner sides of the motor base (2) and the frame strip (3); the inner sides of the motor base (2) and the frame strips (3) are rotatably provided with hexagonal shafts (5), and two ends of each hexagonal shaft (5) are provided with T-shaped shaft head structures; a motor (6) is fixedly arranged on the outer side of the motor base (2), and the motor (6) is in transmission connection with a hexagonal shaft (5) through a bevel gear; a movable tool rest (7) is arranged on the outer side of the sliding rod (4) in a sliding manner; an L-shaped frame (10) is fixedly arranged above the rear side of the movable tool rest (7);

the movable tool rest (7) further comprises a sliding hole (701), a jackscrew (702) and a protective cover (703); sliding holes (701) are formed in the middle of the movable tool rest (7) in a penetrating mode and on two sides of the movable tool rest, and the sliding holes (701) are connected with the sliding rod (4) in a sliding mode; a screw hole is formed in the front side of the movable tool rest (7) through the sliding hole (701), and a jackscrew (702) is fixedly arranged in the screw hole; the bottom of the movable tool rest (7) is of a longitudinal shaft frame structure, and a rotating sleeve (8) is rotatably arranged in the longitudinal shaft frame structure through a bearing; the front end and the rear end of the bottoms of the two sides of the movable tool rest (7) are integrally provided with a protective cover (703), the main body of the protective cover (703) is of a circular arc structure, and driven shafts (9) are selectively arranged at the circle centers of the protective covers (703);

the rotating sleeve (8) further comprises a cutting blade (801) and a gear ring (802); the inner part of the rotating sleeve (8) is of a hexagonal slide hole structure, and the rotating sleeve (8) is arranged on the outer side of the hexagonal shaft (5) in a sliding mode through clearance fit; the outer side of the middle of the rotating sleeve (8) is fixedly provided with a cutting blade (801) through a bolt, and the cutting blade (801) is of a circular blade-shaped structure; gear rings (802) are fixedly arranged on the outer sides of the two ends of the rotary sleeve (8);

the top of the movable tool rest (7) is provided with a transverse shaft frame structure, a connecting rod A (11) and a connecting rod B (12) are rotatably arranged in the transverse shaft frame structure through hinged connection, and the lower ends of the connecting rod A (11) and the connecting rod B (12) are coaxially connected in a staggered manner; the top end of the connecting rod A (11) is connected with a connecting shaft A (13) arranged on a connecting rod B (12) of another group of movable knife rests (7), parallel rods (14) are rotatably arranged on the top ends of the connecting rods A (11) and the connecting rods B (12) beyond the connecting shaft A (13) through hinged connection, and connecting shafts B (15) are arranged on the tops of two adjacent groups of parallel rods (14) and hinged; a control device (16) is fixedly arranged at the rear side of the connecting shaft B (15); the parallel rod (14), the connecting rod A (11) and the connecting rod B (12) form an equilateral rhombus structure;

the control device (16) further comprises a rotating piece (1601), a screw (1602) and a guide bar (1603); a rotating piece (1601) is rotatably arranged in the middle of the top of the control device (16), a knob is arranged on the top of the rotating piece (1601), and a screw (1602) is fixedly arranged at the bottom of the rotating piece (1601); the four corners at the bottom of the control device (16) are integrally provided with guide bars (1603);

a lifting female block (17) is arranged on the outer side of the guide bar (1603) in a sliding mode, and the lifting female block (17) is in threaded connection with the screw (1602); the lifting female block (17) is fixedly connected with the rear end of the connecting shaft A (13).

2. The gap adjusting mechanism based on meltblown fabric cutting production according to claim 1, wherein: the driven shaft (9) also comprises a transmission gear (901) and a conveying roller (902); the outer sides of the driven shafts (9) are fixedly provided with transmission gears (901), the transmission gears (901) are the same in tooth number as the gear ring (802) and are meshed with each other, and the transmission gears (901) are located in the protective cover (703); conveying rollers (902) are fixedly arranged at the outer ends of the driven shafts (9), and the outer surfaces of the conveying rollers (902) are of frosted surface structures.

3. The gap adjusting mechanism based on meltblown fabric cutting production according to claim 1, characterized in that: the L-shaped frame (10) further comprises a cushion table (1001) and a V-shaped cutting groove (1002); two ends of the front side of the upright post part of the L-shaped frame (10) are provided with inclined planes; the bottom of the L-shaped frame (10) is fixedly provided with a pad table (1001), the top of the pad table (1001) extends towards two sides, and the bottom of the conveying roller (902) is attached to the top of the extending part of the pad table (1001); a V-shaped cutting groove (1002) is formed in the middle of the top of the pad table (1001), and the bottom sides of the cutting pieces (801) are located in the V-shaped cutting groove (1002); the position of the cutting blade (801) entering the V-shaped cutting groove (1002) is positioned behind the position of the front side conveying roller (902) attached to the cushion table (1001); the front side of the pad table (1001) is attached to the rear side of the wedge guide (101).