CN214647043U - Soft center strip feeding device for front cover machine - Google Patents

Abstract

The utility model discloses a soft center strip feeding device for a cover machine, which is positioned at the feeding end of a paperboard feeding station, and the key points of the technical scheme are that the device comprises a cover machine frame, a coil tray which is arranged on the cover machine frame and used for coiling a strip-shaped soft center strip, a traction assembly which is arranged on the cover machine frame and used for traction of the soft center strip, a cutting assembly which is positioned between the coil tray and the traction assembly and used for cutting the soft center strip, a clamping and conveying assembly which is positioned at the discharging end of the traction assembly and used for pushing the soft center strip to the paperboard feeding station, and a cutting assembly which is positioned at the discharging end of the clamping and conveying assembly and used for cutting the soft center strip; the cutting assembly is at least provided with a group of sides which are positioned in the width direction of the soft central strip material, the cutting assembly comprises two cutting circular knives which are respectively positioned on the upper side and the lower side of the soft central strip material, and annular cutting edges are arranged on the cutting circular knives. The feeding device can realize automatic cutting and blanking of the soft center strip material.

Description

Soft center strip feeding device for front cover machine

Technical Field

The utility model relates to a cutting device of slipcase center strip, more specifically say that it relates to a device is sent into with soft center strip to front cover machine.

Background

The covering machine is also called as a covering machine and a leather case machine. The method is divided into a manual covering machine, a semi-automatic covering machine and a full-automatic covering machine. The whole production process comprises the steps of cover gluing, positioning, four-edge wrapping and the like. The multifunctional book case is suitable for various book cases, book-shaped boxes, folders, chessboard, desk calendars and other related products.

The existing cover machine at least comprises a cover paper feeding station, a paper board feeding station and a cover paper folding station, wherein a hard book case for book packaging comprises two main paper boards and a central strip positioned in the middle when the hard book case is on the paper board feeding station. The center strip is soft in texture and also hard. At present, a common cutting mechanism is only suitable for cutting a hard center strip, but cannot cut a soft center strip normally and further cannot convey the soft center strip.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a device is sent into with soft center strip to front cover machine to solve the problem that provides in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a soft center strip feeding device for a cover machine is positioned at a feeding end of a paperboard feeding station and comprises a cover machine frame, a coil tray arranged on the cover machine frame and used for winding a strip-shaped soft center strip, a traction assembly arranged on the cover machine frame and used for drawing the soft center strip, a cutting assembly positioned between the coil tray and the traction assembly and used for cutting the soft center strip, a clamping and conveying assembly positioned at a discharging end of the traction assembly and used for pushing the soft center strip to the paperboard feeding station, and a cutting assembly positioned at a discharging end of the clamping and conveying assembly and used for cutting the soft center strip;

the utility model discloses a soft center strip material cutting device, including cutting assembly, circular knife, set up, and drawing assembly draws soft center strip material on the coiling dish, cutting assembly is provided with a set ofly at least and is located soft center strip material width direction's side, cutting assembly is including two circular knives that cut that are used for cutting soft center strip material width direction edge, cut circular knife axial rotation and connect in the covering machine frame and two parallel arrangement of cutting circular knife each other, two both sides about two cutting circular knives are located soft center strip material respectively, be provided with annular cutting edge on the cutting circular knife, two cutting edge part laminating settings of cutting circular knife pull assembly and two cutting circular knives can tailor the edge of soft center strip material when pulling the soft center strip material on the coiling dish through cutting assembly.

The utility model discloses further set up to: the pinch assembly comprises a pinch main roller rotatably connected to the frame of the covering machine, a pinch slave roller arranged in parallel with the pinch main roller, and a pinch motor used for driving the pinch main roller to rotate, wherein a pinch sliding frame used for allowing the pinch slave roller to rotate and connect is connected to the frame of the covering machine in a sliding mode, the sliding direction of the pinch sliding frame on the frame of the covering machine is close to or far away from the pinch main roller for driving the pinch slave roller, and a pinch cylinder used for driving the pinch sliding frame to slide is arranged on the frame of the covering machine.

The utility model discloses further set up to: decide the subassembly including slide connect in the covering machine frame and be used for deciding the sword of deciding of soft center strip material and set up be used for the cooperation to decide the seat of deciding of soft center strip material and set up in the covering machine frame and decide the swing arm with deciding the sword articulated and set up and be used for the drive to decide the swing arm wobbling in the covering machine frame and decide the motor, the eccentric rotation of the output of deciding the motor is connected with the drive wheel, it is provided with the driving groove that supplies the drive wheel embedding to decide swing arm one end, the length direction of driving groove extends the setting along the length direction who decides the swing arm, the width size of driving groove and the external diameter size looks adaptation of drive wheel, the middle part of deciding the swing arm articulates in the covering machine frame to decide swing arm one end and decide the sword articulated.

The utility model discloses further set up to: the material storage component capable of storing the soft central strip materials is arranged between the pinch component and the traction component, and comprises a guide wheel for winding the soft central strip materials, a material storage sliding frame longitudinally connected to the frame of the covering machine in a sliding mode, and a material storage roller rotatably connected to the material storage sliding frame, wherein the two guide wheels are arranged and rotatably connected to the discharge end of the pinch component and the feed end of the traction component respectively.

The utility model discloses further set up to: one end of the cutting circular knife, which is close to the soft central strip, is provided with a clamping wheel for clamping and conveying the soft central strip, and a rubber ring for increasing the friction force between the clamping wheel and the soft central strip is embedded on the outer side wall of the clamping wheel.

The utility model discloses further set up to: the mounting sliding frame is connected with a mounting sliding frame used for supplying cutting components to mount in a sliding mode on the covering machine frame, the mounting sliding frame is connected with a regulating screw rod in a rotating mode and connected to the covering machine frame in a threaded mode, the sliding direction of the mounting sliding frame on the covering machine frame is arranged along the width direction of the soft center strip material, and the regulating screw rod can drive the mounting sliding frame to slide along the length direction of the regulating screw rod in the rotating process.

The utility model discloses further set up to: the cover machine frame is connected with the limit baffle who is located soft center strip width direction side in the sliding, the width direction setting of soft center strip is followed to the direction of sliding of limit baffle in the cover machine frame, limit baffle is located cutting assembly's feed end, the last spacing spout that is used for supplying soft center strip side embedding that is provided with of limit baffle, the length direction of spacing spout sets up along the length direction of soft center strip.

The utility model discloses further set up to: be provided with the grinder that is used for smashing the slitter edge material that cuts off under cutting the circular knife in the covering machine frame, the feed end of grinder is provided with the slitter edge hopper that is used for assembling the slitter edge material, the discharge end of grinder is provided with the dump bin that is used for collecting the waste material.

The utility model discloses further set up to: the traction assembly comprises a traction roller which is rotatably connected to the frame of the covering machine, a pressing roller which can be matched with the traction roller for clamping and traction of the soft central strip material, and a traction motor which is arranged on the frame of the covering machine and used for driving the traction roller to rotate, wherein the mounting frame which is used for supplying the pressing roller to rotate and connect is rotatably connected to the frame of the covering machine, and the pressing roller is positioned above the traction roller and can be pressed on the traction roller under the action of gravity.

The utility model discloses further set up to: and a traction tension spring capable of drawing the pressing roller to always press on the traction roller is arranged between the covering machine frame and the mounting frame.

To sum up, the utility model discloses following beneficial effect has: the winding disc can be used for winding a strip-shaped soft center strip material and is rotationally connected to a frame of the covering machine, the winding disc can be driven to rotate under the traction of the traction assembly, the soft center strip material can be released, and when the soft center strip material is pulled to pass through the cutting assembly, the two cutting circular cutters can cut the side edge of the soft center strip material, so that the soft center strip material passing through the cutting assembly can be cut into a set width size, the automatic feeding and width cutting of the soft center strip material can be realized, the cutting of the soft center strip material is performed in the traction process, no additional cutting equipment is needed, and the use flexibility and the application range of the device are greatly improved; the clamping and conveying assembly can clamp and convey soft center strip materials to a paperboard feeding station for blanking, and the clamping and conveying assembly can cut the soft center strip materials after the soft center strip materials with set length, so that the automatic blanking and the length of the soft center strip materials can be cut, therefore, the soft center strip feeding device can realize transverse and longitudinal cutting of the soft center strip materials, and can also accurately feed the soft center strip materials to the paperboard feeding station, the cover machine is convenient to take, and the automation degree and the working efficiency of the cover machine are improved.

Drawings

FIG. 1 is a schematic perspective view of a soft center strip feeding device for a covering machine;

FIG. 2 is a perspective view of the pinch assembly;

fig. 3 is a schematic perspective view of the cutting assembly;

FIG. 4 is a schematic partial perspective view of a soft center strip feeding apparatus;

FIG. 5 is a schematic perspective view of the pulling assembly and the cutting assembly;

FIG. 6 is a schematic perspective view of a cutting assembly;

FIG. 7 is a cross-sectional view of the cutting assembly.

Reference numerals: 1. a frame of a covering machine; 11. mounting a sliding frame; 12. adjusting and controlling a screw rod; 13. a limit baffle; 131. a limiting chute; 14. a pulverizer; 15. a scrap edge hopper; 16. a waste bin; 2. a coil tray; 3. a traction assembly; 31. a traction roller; 32. pressing the roller; 33. a traction motor; 34. a mounting frame; 35. a traction tension spring; 4. cutting the assembly; 41. cutting a circular knife; 42. a clamping wheel; 43. a rubber ring; 5. a pinch assembly; 51. a pinch main roll; 52. pinch slave rolls; 53. a pinch motor; 54. a pinch carriage; 55. a pinch cylinder; 6. cutting the assembly; 61. cutting off a knife; 62. cutting off the base; 63. cutting the swing arm; 64. cutting off the motor; 65. a driving wheel; 66. a transmission groove; 67. a slide base; 7. a material storage assembly; 71. a guide wheel; 72. a material storage carriage; 73. a material storage roller; 8. cardboard material loading station.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-7, a soft center strip feeding device for a cover machine is positioned at a feeding end of a paperboard feeding station 8, and comprises a cover machine frame 1, a coil tray 2 arranged on the cover machine frame 1 and used for coiling a strip-shaped soft center strip, a traction assembly 3 arranged on the cover machine frame 1 and used for drawing the soft center strip, a cutting assembly 4 positioned between the coil tray 2 and the traction assembly 3 and used for cutting the soft center strip, a clamping and conveying assembly 5 positioned at a discharging end of the traction assembly 3 and used for pushing the soft center strip to the paperboard feeding station 8, and a cutting assembly 6 positioned at a discharging end of the clamping and conveying assembly 5 and used for cutting the soft center strip; wherein cutting assembly 4 can cut the regulation and control to the width of soft center strip material, decides that subassembly 6 can decide the regulation and control to the length of soft center strip material to can cut out soft center strip material blanking to cardboard material loading station 8 of predetermineeing the size, realize the automation of soft center strip material and tailor and the blanking.

Cutting assembly 4 is provided with a set of at least and is located soft center strip width direction's side, cutting assembly 4 is including two cutting circular knives 41 that are used for cutting soft center strip width direction edge, cutting circular knife 41 axial rotates to be connected on covering machine frame 1 and two cutting circular knife 41 parallel arrangement of each other, two cutting circular knife 41 are located soft center strip both sides about respectively, be provided with annular cutting edge on the cutting circular knife 41, two cutting edge part laminatings of cutting circular knife 41 set up, two cutting circular knife 41 can be tailor the edge of soft center strip when drawing assembly 3 and drawing soft center strip on coil of strip 2 through cutting assembly 4.

The winding disc 2 can be used for winding a strip-shaped soft center strip material, is rotatably connected to the frame 1 of the covering machine, can drive the winding disc 2 to rotate under the traction of the traction assembly 3 and release the soft center strip material, and when the soft center strip material is drawn to pass through the cutting assembly 4, the two cutting circular knives 41 can cut the side edge of the soft center strip material, so that the soft center strip material passing through the cutting assembly 4 can be cut into a set width size, the automatic feeding and width cutting of the soft center strip material can be realized, the cutting of the soft center strip material is performed in the traction process, no additional cutting equipment is needed, and the use flexibility and the application range of the device are greatly improved; the clamp send subassembly 5 can press from both sides and send soft center strip to 8 blanks of cardboard material loading station, and send the soft center strip of setting for length to decide soft center strip through deciding subassembly 6 after pressing from both sides, thereby can realize deciding soft center strip's automatic blanking and length, consequently this soft center strip send into the device and can realize cutting the processing transversely and vertically of soft center strip, and can also expect cardboard material loading station 8 with its accurate blanking, make things convenient for taking of covering machine, thereby the degree of automation and the work efficiency of covering machine have been improved.

The pinch component 5 comprises a pinch main roller 51 rotatably connected to the covering machine frame 1, a pinch slave roller 52 arranged in parallel with the pinch main roller 51, and a pinch motor 53 for driving the pinch main roller 51 to rotate, the covering machine frame 1 is slidably connected with a pinch carriage 54 for rotatably connecting the pinch slave roller 52, the sliding direction of the pinch carriage 54 on the covering machine frame 1 is that the pinch carriage 54 can drive the pinch slave roller 52 to be close to or far away from the pinch main roller 51, and the covering machine frame 1 is provided with a pinch cylinder 55 for driving the pinch carriage 54 to slide. The clamping cylinder 55 drives the clamping carriage 54 to slide, the clamping carriage can drive the clamping slave roller 52 to be close to the clamping master roller 51 until the two rollers can clamp the soft center strip, and the soft center strip is clamped and sent to the cutting assembly 6 under the driving of the clamping motor 53, so that the clamping assembly 5 can stably clamp and send the soft center strip, the clamping stability of the clamping slave roller 52 and the clamping master roller 51 is greatly improved due to the arrangement of the clamping cylinder 55, the accuracy of length control of the soft center strip is improved, meanwhile, the soft center strip is convenient to replace, and the use flexibility of the clamping assembly 5 is effectively improved.

Decide subassembly 6 including the connection of sliding on covering machine frame 1 and be used for deciding the sword 61 of deciding soft center strip material, and set up and be used for the cooperation to decide the seat 62 of deciding of soft center strip material on covering machine frame 1, and set up on covering machine frame 1 and decide swing arm 63 with decide sword 61 articulated, and set up and be used for the drive to decide motor 64 of deciding of swing arm 63 wobbling on covering machine frame 1, the eccentric rotation of the output of deciding motor 64 is connected with drive wheel 65, it is provided with the driving groove 66 that supplies the embedding of drive wheel 65 to decide swing arm 63 one end, the length direction of driving groove 66 extends the setting along the length direction of deciding swing arm 63, the width size of driving groove 66 and the external diameter size looks adaptation of drive wheel 65, the middle part of deciding swing arm 63 articulates on covering machine frame 1, and decide swing arm 63 one end and decide sword 61 articulated. Decide motor 64 and drive the length direction that can follow driving groove 66 when drive wheel 65 eccentric rotation and slide, and can the propelling movement decide swing arm 63 around the articulated department swing with covering machine frame 1 when with driving groove 66 lateral wall butt, and then can drive and decide swing arm 63 other end articulated decide sword 61 reciprocal sliding from top to bottom, thereby can cooperate and decide seat 62 and realize deciding soft center strip material, wherein decide sword 61 fixable mounting slide and connect slide 67 on covering machine frame 1, and decide swing arm 63 accessible and slide 67 articulated realization drive and decide sword 61 and slide, whole scheme design benefit, simple structure easy to implement, can conveniently decide soft center strip material realization.

The material storage assembly 7 capable of storing the soft central strip materials is arranged between the pinch assembly 5 and the traction assembly 3, the material storage assembly 7 comprises a guide wheel 71 for winding the soft central strip materials, a material storage sliding frame 72 longitudinally connected to the covering machine frame 1 in a sliding mode, and a material storage roller 73 rotatably connected to the material storage sliding frame 72, and the two guide wheels 71 are rotatably connected to the discharge end of the pinch assembly 5 and the feed end of the traction assembly 3 respectively. The traction assembly 3 sends out the soft central strip to bypass the guide wheel 71, then bypasses the material storage roller 73, bypasses the other guide wheel 71 and then sends the soft central strip into the pinch assembly 5, and the material storage roller 73 always keeps a downward sliding trend under the action of gravity, so that the soft central strip can be driven to keep tensioned and tidy; traction assembly 3 can continuously pull soft center strip and carry out the width through cutting assembly 4 and cut soft center strip, and pinch subassembly 5 and can send soft center strip intermittent type to press from both sides to send into to decide subassembly 6 and carry out length and decide, consequently hold setting up of material subassembly 7 and can send out traction assembly 3 and pinch subassembly 5 and in time send into the soft center strip of deciding in subassembly 6 and accomodate, be favorable to improving the regularity of soft center strip, and then be favorable to improving the stability that cuts of soft center strip.

One end of the cutting circular knife 41 close to the soft central strip is provided with a clamping wheel 42 for clamping and conveying the soft central strip, and the outer side wall of the clamping wheel 42 is embedded with a rubber ring 43 for increasing the friction force with the soft central strip. The clamping wheel 42 is close to the middle part of the soft center strip, so that the soft center strip can be clamped, the soft center strip is effectively prevented from moving in the cutting process, and the smoothness of the edge of the soft center strip cut by the cutting edge is improved; and the rubber ring 43 is arranged to further improve the clamping stability of the soft center strip, so that the smoothness of the edge of the soft center strip cut by the cutting edge is further improved.

Sliding connection has the installation balladeur train 11 that is used for supplying cutting assembly 4 installation on the covering machine frame 1, and the spiro union has the regulation and control screw rod 12 of rotation connection on the covering machine frame 1 on the installation balladeur train 11, and the width direction setting of soft central strip material is followed to the glide direction of installation balladeur train 11 on the covering machine frame 1, and regulation and control screw rod 12 rotates the length direction that the in-process can drive installation balladeur train 11 and follow regulation and control screw rod 12 and slide. Therefore, the station regulation and control of the cutting assembly 4 can be realized by the regulation and control screw 12, and the cutting width of the soft center strip can be regulated and controlled, so that the use flexibility and the application range of the cutting assembly 4 are greatly improved.

Sliding connection has the limit baffle 13 that is located soft center strip width direction side on the covering machine frame 1, and the direction of sliding of limit baffle 13 on covering machine frame 1 sets up along the width direction of soft center strip, and limit baffle 13 is located cutting components 4's feed end, is provided with the spacing spout 131 that is used for supplying the embedding of soft center strip side on limit baffle 13, and the length direction of spacing spout 131 sets up along the length direction of soft center strip. The limit baffle 13 can limit the side edge of the soft center strip, and can effectively prevent the soft center strip from moving in the cutting process, so that the cutting effect of the cutting assembly 4 is improved; and the setting of spacing spout 131 can also be spacing to the upper and lower both sides of soft center strip material, can effectively avoid soft center strip material to reciprocate at the in-process of cutting, is favorable to further improving cutting assembly 4's the effect that cuts.

A grinder 14 used for grinding the waste edge materials cut by the cutting circular knife 41 is arranged on the frame 1 of the covering machine, a waste edge hopper 15 used for gathering the waste edge materials is arranged at the feed end of the grinder 14, and a waste box 16 used for collecting waste materials is arranged at the discharge end of the grinder 14. The shredder 14 is a known technology, and can be designed in general, and can shred the strip waste edge, so as to facilitate the collection of the waste material box 16 and improve the space utilization rate of the waste material box 16, and the waste edge hopper 15 can guide the strip waste edge, so that the waste edge can be guided into the shredder 14.

Traction assembly 3 is including rotating the carry over pinch rolls 31 of connecting in covering machine frame 1, and can cooperate the carry over pinch rolls 31 centre gripping to pull the soft central strip material to the pinch rolls 32, and set up and be used for driving carry over pinch rolls 31 pivoted traction motor 33 on covering machine frame 1, rotate to be connected with in covering machine frame 1 and be used for supplying to pinch rolls 32 and rotate the mounting bracket 34 of connecting, support pinch rolls 32 and be located the carry over pinch rolls 31 top and can support under the action of gravity and press on carry over pinch rolls 31. The pressing roller 32 can be always kept in butt joint with the traction roller 31 under the action of gravity, so that the stability of traction of the traction assembly 3 on the soft central strip is improved, the structure of the design scheme is simple, implementation is easy, and the work stability of the traction assembly 3 can be effectively improved.

A traction tension spring 35 which can draw the pressing roller 32 to be always pressed on the traction roller 31 is arranged between the covering machine frame 1 and the mounting frame 34. The arrangement of the traction tension spring 35 not only enables the pressing roller 32 to always keep pressing against the traction roller 31, thereby being beneficial to further improving the stability of the traction assembly 3 for traction of the soft center strip, but also enabling the pressing roller 32 to elastically press against the traction roller 31, and further improving the work stability of the traction assembly 3.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a device is sent into with soft center strip to front cover machine, is located the feed end of cardboard material loading station (8), characterized by: the soft center strip cutting machine comprises a covering machine frame (1), a coil tray (2) arranged on the covering machine frame (1) and used for winding a strip-shaped soft center strip, a traction assembly (3) arranged on the covering machine frame (1) and used for drawing the soft center strip, a cutting assembly (4) positioned between the coil tray (2) and the traction assembly (3) and used for cutting the soft center strip, a clamping and conveying assembly (5) positioned at the discharge end of the traction assembly (3) and used for pushing the soft center strip to a paperboard feeding station (8), and a cutting assembly (6) positioned at the discharge end of the clamping and conveying assembly (5) and used for cutting the soft center strip;

cutting assembly (4) are provided with a set of and are located soft central strip width direction's side at least, cutting assembly (4) are including two be used for cutting round sword (41) that cut at soft central strip width direction edge, cut round sword (41) axial rotation and connect on covering machine frame (1) and two cut round sword (41) parallel arrangement of each other, two cut round sword (41) and be located soft central strip material upper and lower both sides respectively, be provided with annular cutting edge on cutting round sword (41), two cutting edge parts that cut round sword (41) laminate and set up, two round sword (41) can be cut out soft central strip material's edge when pulling assembly (3) and pulling soft central strip material on coiling dish (2) when cutting assembly (4).

2. The soft center bar feeding device for a cover machine as claimed in claim 1, wherein: pinch subassembly (5) including rotate connect pinch main roll (51) on covering machine frame (1) and with pinch main roll (51) parallel arrangement pinch from roller (52) and be used for driving pinch main roll (51) pivoted pinch motor (53), it is connected with to slide on covering machine frame (1) and is used for supplying to pinch to rotate pinch carriage (54) of being connected from roller (52), the slip direction of pinch carriage (54) on covering machine frame (1) is close to or keeps away from pinch main roll (51) for driving pinch from roller (52), be provided with on covering machine frame (1) and be used for driving pinch cylinder (55) that pinch carriage (54) slided.

3. The soft center bar feeding device for a cover machine as claimed in claim 1, wherein: the cutting assembly (6) comprises a cutting knife (61) which is connected on the covering machine frame (1) in a sliding manner and is used for cutting the soft center strip material, a cutting seat (62) which is arranged on the covering machine frame (1) and is used for matching with the cutting knife (61) to cut the soft center strip material, a cutting swing arm (63) which is arranged on the covering machine frame (1) and is hinged with the cutting knife (61), and a cutting motor (64) which is arranged on the covering machine frame (1) and is used for driving the cutting swing arm (63) to swing, wherein the output end of the cutting motor (64) is eccentrically and rotatably connected with a driving wheel (65), one end of the cutting swing arm (63) is provided with a transmission groove (66) for embedding the driving wheel (65), the length direction of the transmission groove (66) extends along the length direction of the cutting swing arm (63), the width size of the transmission groove (66) is matched with the outer diameter size of the transmission wheel (65), the middle part of the cutting swing arm (63) is hinged on the frame (1) of the covering machine, and one end of the cutting swing arm (63) is hinged with the cutting knife (61).

4. The soft center bar feeding device for a cover machine as claimed in claim 1, wherein: the material storage assembly (7) capable of storing the soft central strip materials is arranged between the pinch assembly (5) and the traction assembly (3), the material storage assembly (7) comprises a guide wheel (71) used for winding the soft central strip materials, a material storage carriage (72) longitudinally connected to the covering machine frame (1) in a sliding mode, and a material storage roller (73) rotatably connected to the material storage carriage (72), wherein the two guide wheels (71) are arranged and rotatably connected to the discharge end of the pinch assembly (5) and the feed end of the traction assembly (3) respectively.

5. The soft center bar feeding device for a cover machine as claimed in claim 1, wherein: one end of the cutting circular knife (41) close to the soft central strip is provided with a clamping wheel (42) used for clamping and conveying the soft central strip, and a rubber ring (43) used for increasing the friction force between the cutting circular knife and the soft central strip is embedded on the outer side wall of the clamping wheel (42).

6. The soft center bar feeding device for a cover machine as claimed in claim 1 or 5, wherein: sliding connection has installation balladeur train (11) that are used for supplying cutting assembly (4) installation on covering machine frame (1), the spiro union has regulation and control screw rod (12) of rotation connection on covering machine frame (1) on installation balladeur train (11), and the direction of sliding of installation balladeur train (11) on covering machine frame (1) sets up along the width direction of soft central strip material, and regulation and control screw rod (12) rotate the length direction that the in-process can drive installation balladeur train (11) along regulation and control screw rod (12) and slide.

7. The soft center bar feeding device for a cover machine as claimed in claim 1, wherein: sliding connection has limit baffle (13) that are located soft center strip width direction side on covering machine frame (1), limit baffle (13) the width direction setting of direction of sliding along soft center strip on covering machine frame (1), limit baffle (13) are located the feed end of cutting element (4), be provided with on limit baffle (13) and be used for supplying spacing spout (131) of soft center strip side embedding, the length direction of spacing spout (131) sets up along the length direction of soft center strip.

8. The soft center bar feeding device for a cover machine as claimed in claim 1, wherein: be provided with on covering machine frame (1) and be used for smashing grinder (14) that cut the slitter edge material that circular knife (41) cut out, the feed end of grinder (14) is provided with slitter edge hopper (15) that are used for assembling the slitter edge material, the discharge end of grinder (14) is provided with waste material case (16) that are used for collecting the waste material.

9. The soft center bar feeding device for a cover machine as claimed in claim 1, wherein: traction assembly (3) including rotate carry over pinch rolls (31) of connection on covering machine frame (1) and can cooperate carry over pinch rolls (31) centre gripping to pull soft central strip material to press roller (32) and set up and be used for driving carry over pinch rolls (31) pivoted traction motor (33) on covering machine frame (1), it is connected with and is used for supplying to press roller (32) to rotate mounting bracket (34) of connecting to rotate on covering machine frame (1), it is located carry over pinch rolls (31) top and can support under the action of gravity and press on carry over pinch rolls (31) to press roller (32).

10. The soft center bar feeding device for a cover machine of claim 9, wherein: and a traction tension spring (35) which can be used for drawing the pressing roller (32) to be always pressed on the traction roller (31) is arranged between the covering machine frame (1) and the mounting rack (34).

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