Folding and discharging device and method for medical dressings

Abstract

The invention discloses a folding and discharging device and method for medical dressings, and belongs to the technical field of medical dressing production. Comprising a conveying structure, a transferring structure, a folding structure, a discharging structure and a driving structure; the discharging structure comprises a discharging groove, a check block and a lifting door. The transfer structure comprises a transfer shaft, a turning plate and a clamping plate; the front portion of the turning plate coincides with the rear portion of the conveying structure. The clamping plate can be forwards turned over to cover and press the upper side of the turning plate; the front end of the clamping plate is pressed at the rear end of the gauze pad; the folding structure comprises four folding plates which are arranged side by side left and right; the turning plate can rotate backwards to cover and press the upper sides of the four folding plates, the first folding plate and the fourth folding plate act at the same time, the first folding plate can turn over rightwards and cover and press the upper side of the second folding plate, and the fourth folding plate can turn over leftwards and cover and press the upper side of the third folding plate. The second folding plate can turn over rightwards and cover and press the upper side of the third folding plate; the third folding plate is located below the front portion of the discharging groove and can be turned over backwards and cover the front side of the gauze stack.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of medical dressing production, and particularly relates to a folding and discharging device and method for medical dressing. BACKGROUND

[0002] Medical gauze sheets are common medical devices made of pure cotton gauze. The product is usually square or rectangular, has the characteristics of lightness, air permeability and strong water absorption, etc. Medical gauze sheets are widely used in the medical industry and play an important role in wound treatment, surgical suturing, wound dressing, etc.

[0003] The preparation process of gauze sheets usually includes folding, slitting, re-folding, packaging and sterilization, etc. For example, the patent with the application number CN202123351470.7 discloses an automatic folding device for surgical towels, which includes a rack and a conveying structure and at least one turnover folding structure thereon. The conveying structure includes multiple narrow conveying belts arranged side by side and driven synchronously, and the turnover folding structure includes a turnover shaft arranged in the left-right direction and multiple turnover arms arranged side by side on the same side of the turnover shaft. The multiple turnover arms are arranged between the narrow conveying belts and are located on the same plane below the conveying structure. A receiving platform is arranged behind the conveying structure. The conveying structure is sequentially provided with a first inner four-fold station, a second inner four-fold station, a folding station, a transition station and a discharging station from front to back. The discharging station is located at the rear end of the conveying structure. The first inner four-fold station is provided with first and second turnover folding structures that can be turned relative to each other. The second inner four-fold station is provided with third and fourth turnover folding structures that can be turned relative to each other. The folding station is provided with a fifth turnover folding structure that can be turned backward. The discharging station is provided with a sixth turnover folding structure that can be turned backward. The first, second, third, fourth, fifth and sixth turnover folding structures are synchronously driven. When the surgical towel is folded, the conveying structure stops conveying, and the turnover folding structures of the first, second, third, fourth, fifth and sixth inner four-fold stations simultaneously act on the corresponding surgical towel to perform one-time inner four-fold, two-time inner four-fold, folding and discharging, respectively. The sixth turnover folding structure turns backward to transfer the surgical towel at the rear end of the conveying structure to the receiving platform.

[0004] The device folds through the rotating turnover folding structure, but this structure can only fold in the length direction and cannot fold in the width direction. It needs to occupy a large space in the front and back directions. SUMMARY

[0005] In order to solve the foregoing problems, the embodiment of the present application provides a folding and discharging device and method for medical dressings, which realizes four-fold, discharging and stacking of gauze in the transverse direction, has high automation and can be driven by one driving structure. The technical scheme is as follows: In one aspect, the embodiment of the present application provides a folding and discharging device for medical dressings, which comprises a rack 2 and conveying structure 3, transfer structure 4, folding structure 5, discharging structure 6 and driving structure 7 on the rack 2. The conveying structure 3 comprises a plurality of narrow conveying belts arranged side by side left and right. The discharging structure 6 comprises a discharging groove 61 arranged in the front-rear direction, a stop block 62 in the discharging groove 61 and located at the rear side of a gauze stack 8, and a lifting door 63 in the front end of the discharging groove 61 and located at the front side of the gauze stack 8. The lifting door 63 can move vertically. The transfer structure 4 comprises a transfer shaft 41 arranged in the left-right direction, a flap 42 at the front side of the transfer shaft 41 and a clamping plate 43 at the rear side of the transfer shaft 41. The flap 42 is arranged horizontally in the front-rear direction, the front part of which coincides with the rear part of the conveying structure 3, and the front part is provided with a strip-shaped port 44 matched with the narrow conveying belt. The rear end of the narrow conveying belt is located in the corresponding strip-shaped port 44. The clamping plate 43 is arranged horizontally in the front-rear direction, which can be flipped forward to cover the upper side of the flap 42, and the rear end is a rectangular tooth structure. A plurality of stop blocks 45 are arranged side by side left and right on the upper side of the flap 42 and at the rear end of the conveying structure 3. When the clamping plate 43 covers the flap 42, the front end of the clamping plate 43 presses the rear end of the gauze sheet 1 on the flap 42, and the stop blocks 45 are located in the grooves of the rectangular tooth structure of the clamping plate 43. The folding structure 5 comprises four folding plates arranged side by side left and right. The flap 42 can be rotated backward and cover the upper side of the four folding plates, at this time, the gauze sheet 1 is placed on the four folding plates. The folding plates are arranged horizontally in the front-rear direction, the front part of which coincides with the rear part of the clamping plate 43, and the front part is a rectangular tooth structure matched with the clamping plate 43. The four folding plates are a first folding plate 51, a second folding plate 52, a third folding plate 53 and a fourth folding plate 54 in sequence. The first folding plate 51 and the fourth folding plate 54 act simultaneously. The first folding plate 51 can be flipped rightward and cover the upper side of the second folding plate 52. The fourth folding plate 54 can be flipped leftward and cover the upper side of the third folding plate 53. The second folding plate 52 can be flipped rightward and cover the upper side of the third folding plate 53. The third folding plate 53 is located below the front of the discharging groove 61, which can be flipped backward to be vertical and cover the front side of the gauze stack 8. When the third folding plate 53 covers the front side of the gauze stack 8, the third folding plate 53 is located in the front end of the discharging groove 61, and the lifting door 63 is lifted to be directly above the third folding plate 53. The driving structure synchronously drives the flap 42, the clamping plate 43, the lifting door 63 and the four folding plates.

[0006] Preferably, the rear part of the flap 42 in the embodiment of the present application is provided with five avoiding holes 46, which are arranged side by side and are arranged alternately with the four folding plates; when the flap 42 covers the folding plates, the avoiding holes 46 can avoid the structure on the folding structure 5; the rear end of the flap 42 is provided with two shaft sleeves 47 arranged side by side, which are rotatably arranged on the transfer shaft 41; the clamping plate 43 is arranged between the two shaft sleeves 47 and the front end thereof is fixed to the rear side of the transfer shaft 41; the transfer shaft 41 and one of the shaft sleeves 47 are in transmission connection with the driving structure.

[0007] In the embodiment of the present application, the clamping plate 43 includes four clamping arms arranged side by side; the four clamping arms are arranged in front of the four folding plates respectively; the clamping arms are arranged in the front-rear direction, the front end thereof is fixed to the transfer shaft 41, and the rear part thereof is provided with two rectangular teeth arranged side by side; the front part of the folding plate is provided with three rectangular teeth correspondingly; the upper rear part of the clamping arm is provided with a friction plate 9; the rectangular teeth of the clamping arm and the rectangular teeth of the folding plate are arranged alternately; the number of the stop blocks 45 is two, and when the clamping plate 43 covers the flap 42, the two stop blocks 45 are arranged between the two rectangular teeth of the two clamping arms at both ends.

[0008] In the embodiment of the present application, the folding plate is a rectangular plate; the left end of the first folding plate 51 is flush with the left end of the gauze piece 1, the right end thereof is rotatably arranged on the rack 2 through a front-rear first rotating shaft, the upper right part thereof is provided with a friction plate 9 in the front-rear direction, and the upper left part thereof is provided with an anti-static tape; the right end of the second folding plate 52 is rotatably arranged on the rack 2 through a front-rear second rotating shaft, the upper right part thereof is provided with a friction plate 9 in the front-rear direction, and the upper left part thereof is provided with an anti-static tape; the left end of the fourth folding plate 54 is flush with the right end of the gauze piece 1, the left end thereof is rotatably arranged on the rack 2 through a front-rear fourth rotating shaft, the upper left part thereof is provided with a friction plate 9, and the upper right part thereof is provided with an anti-static tape; the upper side of the third folding plate 53 is provided with a friction plate 9, and the rear end thereof is rotatably arranged on the rack 2 through a left-right third rotating shaft; the lower side of each folding plate on the rack 2 is provided with a buffer supporting block, and the folding plate is arranged on the corresponding buffer supporting block; the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft are in transmission connection with the driving structure; the first folding plate 51 and the second folding plate 52 are located at one fourth of the gauze piece 1, the second folding plate 52 and the third folding plate 53 are located at two fourths of the gauze piece 1, and the third folding plate 53 and the fourth folding plate 54 are located at three fourths of the gauze piece 1.

[0009] Further, the left side or the rear side of the discharge chute 61 is provided with a vertical rod, the vertical rod is provided with a sliding rail, the sliding rail is provided with a sliding block in sliding mode, the sliding block is in transmission connection with the driving structure and is located above the gauze pile 8; the lifting door 63 comprises a plurality of baffle plates arranged side by side; the baffle plate is arranged vertically, the top of the baffle plate is abutted against the front side of the gauze pile 8, and the upper end of the baffle plate is fixed on the sliding block; the friction plate 9 of the third folding plate 53 is provided with a groove matched with the baffle plate, the groove is connected with the third rotating shaft through a front-to-back connecting part; a plurality of grooves are arranged side by side; the front end of the discharge chute 61 is provided with a position-avoiding gap matched with the connecting part; when the third folding plate 53 is vertical, the connecting part is located in the position-avoiding gap.

[0010] In the embodiment of the present application, the driving structure 7 comprises a driving motor, a driving shaft 71, a first reversing mechanism 72, a second reversing mechanism 73, a synchronization mechanism 74, two reversing rods 75, six cams 76 and ten connecting rod mechanisms 77; the two reversing rods 75 are arranged on the left side and the right side of the rack 2 respectively, are arranged front-to-back, and are located below the folding plate; the folding structure 5 is located between the two reversing rods 75; the driving shaft 71 is arranged on the rack 2 along the left-to-right direction, is arranged below the folding structure 5, is in transmission connection with the driving motor, and is provided with three cams 76 arranged side by side on the left end and another three cams 76 arranged side by side on the right end; the first reversing mechanism 72 and the synchronization mechanism 74 are arranged on the front part and the rear part of the left reversing rod 75 respectively; the second reversing mechanism 73 is arranged on the right reversing rod 75; the first cam 76 drives the transfer shaft 41 through the first connecting rod mechanism 77, the second cam 76 drives the shaft sleeve 47 through the second connecting rod mechanism 77, the third cam 76 drives the first reversing mechanism 72 through the third connecting rod mechanism 77, the fourth cam 76 drives the second reversing mechanism 73 through the fourth connecting rod mechanism 77, the fifth cam 76 drives the third rotating shaft through the fifth connecting rod mechanism 77, and the sixth cam 76 drives the sliding block through the sixth connecting rod mechanism 77; the first reversing mechanism 72 drives the second rotating shaft through the seventh connecting rod mechanism 77; the second reversing mechanism 73 drives the fourth rotating shaft through the eighth connecting rod mechanism 77, and drives the synchronization mechanism 74 through the ninth connecting rod mechanism 77; the synchronization mechanism 74 drives the first rotating shaft through the tenth connecting rod mechanism 77; the first to sixth connecting rod mechanisms 77 are arranged vertically, and the seventh to tenth connecting rod mechanisms 77 are arranged along the left-to-right direction; the ninth connecting rod mechanism 77 is located below the folding structure 5.

[0011] Further, the first gear is coaxially arranged on the transfer shaft 41 and the shaft sleeve 47, and the first sector gear is arranged on the frame 2 and located below the first gear; the first sector gear is arranged on the frame 2 in the left-right direction, is engaged with the corresponding gear, and is in transmission connection with the corresponding connecting rod mechanism 77; the second gear is coaxially arranged on the front end of the second rotating shaft, the rear end of the first rotating shaft and the rear end of the fourth rotating shaft, and the second sector gear is arranged on the frame 2 and located below, left or right of the second gear; the second sector gear is arranged on the frame in the front-rear direction, is engaged with the corresponding gear, and is in transmission connection with the corresponding connecting rod mechanism 77; the right end of the third rotating shaft is provided with a driving arm, and the driving arm is in transmission connection with the fifth connecting rod mechanism 77.

[0012] Further, the cam 76 is correspondingly provided with a swing arm; the swing arm is arranged in the front-rear direction, the front end of the swing arm is rotatably arranged on the frame 2 through the rotating shaft in the left-right direction, the left side or the right side of the swing arm is provided with a pulley matched with the cam 76, and the rear end of the swing arm is provided with a spring between the frame 2; the pulley is arranged in the left-right direction and is in sliding connection with the top of the corresponding cam 76; the spring is arranged obliquely downward from front to back; the front ends of the three swing arms on the left side are rotatably arranged on the rotating shaft on the left side, and the front ends of the three swing arms on the right side are rotatably arranged on the rotating shaft on the right side.

[0013] Specifically, the first reversing mechanism 72 is in L-shaped structure, the connecting part of the two arms of the first reversing mechanism 72 is arranged on the reversing rod 75 on the left side, and the two ends of the two arms are in transmission connection with the third connecting rod mechanism 77 and the seventh connecting rod mechanism 77 respectively; the synchronous mechanism 74 is in I-shaped structure, the middle part of the synchronous mechanism 74 is rotatably arranged on the reversing rod 75 on the left side, the upper end of the synchronous mechanism 74 is in transmission connection with the tenth connecting rod mechanism 77, and the lower end of the synchronous mechanism 74 is in transmission connection with the ninth connecting rod mechanism 77; the second reversing mechanism 73 is in T-shaped structure, the connecting part of the two arms of the second reversing mechanism 73 is arranged on the reversing rod 75 on the right side, the upper end of the vertical arm of the second reversing mechanism 73 is in transmission connection with the eighth connecting rod mechanism 77, the lower end of the vertical arm of the second reversing mechanism 73 is in transmission connection with the ninth connecting rod mechanism 77, and the horizontal arm of the second reversing mechanism 73 is in transmission connection with the fourth connecting rod mechanism 77.

[0014] On the other hand, the embodiment of the present application also provides a folding method of a medical dressing, and the method comprises: S1: the conveying structure 3 sends the gauze piece 1 to the front upper side of the turning plate 42; the clamping plate 43 rotates 180° forward to cover the upper side of the turning plate 42, and the clamping plate 43 clamps the rear end of the gauze piece 1.

[0015] S2: the turning plate 42 and the clamping plate 43 rotate 180° backward together, the rectangular tooth structure of the rear part of the clamping plate 43 is embedded into the rectangular tooth structure of the front part of the folding plate; the rear part of the turning plate 42 covers the folding plate, the gauze piece 1 is placed on the folding plate; and the turning plate 42 is turned forward to return to the original position.

[0016] S3: the first folding plate 51 and the fourth folding plate 54 act simultaneously, the first folding plate 51 can be flipped 180° to the right and pressed to the upper side of the second folding plate 52, the fourth folding plate 54 is flipped 180° to the left and pressed to the upper side of the third folding plate 53; the gauze piece 1 is transferred to the second folding plate 52 and the third folding plate 53, and the first folding plate 51 and the fourth folding plate 54 are reset.

[0017] S4: the second folding plate 52 is flipped 180° to the right and pressed to the upper side of the third folding plate 53, the gauze piece 1 is transferred to the third folding plate 53, and the second folding plate 52 is reset.

[0018] S5: the third folding plate 53 is flipped 90° to the rear and pressed to the front side of the gauze pile 8; at this time, the third folding plate 53 is located at the front end in the discharge groove 61, and the lifting door 63 is lifted to the upper side of the third folding plate 53; the folded gauze piece 1 is transferred to the front side of the gauze pile 8, the gauze pile 8 and the stop block 62 are moved backward by the thickness of one folded gauze piece 1; the third folding plate 53 and the lifting door 63 are reset.

[0019] The technical scheme provided by the embodiment of the application has the beneficial effects that the embodiment of the application provides a folding and discharging device and method for medical dressings, which realizes four-fold of gauze, discharging and stacking in the transverse direction, has high automation, can be driven by one driving structure, has compact structure, and can be used in cooperation with a conventional flipping and folding structure. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of the folding and discharging device for medical dressings in the embodiment of the application; Figure 2 is Figure 1 is a structural schematic view of the folding and discharging device for medical dressings in the embodiment of the application; Figure 3 is Figure 2 is a structural schematic view of the folding and discharging device for medical dressings in the embodiment of the application; Figure 4 is a structural schematic view of the folding and discharging device for medical dressings in the embodiment of the application; Figure 5 is a structural schematic view of the folding and discharging device for medical dressings in the embodiment of the application; Figure 6 is Figure 5 is a structural schematic view of the folding and discharging device for medical dressings in the embodiment of the application.

[0021] In the figure: 1 gauze piece, 2 rack, 3 conveying structure, 4 transfer structure, 5 folding structure, 6 discharging structure, 7 driving structure, 8 gauze pile, 9 friction piece; 41 transfer shaft, 42 flap, 43 clamping plate, 44 strip-shaped port, 45 stop block, 46 position-avoiding hole, 47 shaft sleeve; 51 first folding plate, 52 second folding plate, 53 third folding plate, 54 fourth folding plate; 61 discharge chute, 62 stop block, 63 lifting door; 71 drive shaft, 72 first reversing mechanism, 73 second reversing mechanism, 74 synchronization mechanism, 75 reversing lever, 76 cam, 77 connecting rod mechanism. DETAILED DESCRIPTION

[0022] In order to make the objects, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings.

[0023] Example 1 Referring to Figures 1-6 , Example 1 provides a folding and discharging device for medical dressings, which comprises a rack 2 and conveying structure 3, transfer structure 4, folding structure 5, discharging structure 6 and driving structure 7 and the like arranged on the rack 2.

[0024] Among them, the conveying structure 3 is arranged in the front-rear direction and comprises multiple narrow conveying belts arranged side by side in the left-right direction.

[0025] Among them, the discharging structure 6 comprises a discharge chute 61, a stop block 62 and a lifting door 63 and the like; the discharge chute 61 is arranged in the front-rear direction and is located above the folding structure 5 in the rear, and its width in the left-right direction is slightly larger than that of the gauze piece 1; the stop block 62 is located in the rear part of the discharge chute 61 and abuts against the rear side of the gauze stack 8 (obtained by stacking the gauze pieces 1 in the front-rear direction), and can slide in the discharge chute 61 in the front-rear direction; the stop block 62 is a rectangular metal block and moves backward by the thickness of one gauze piece 1 each time; the lifting door 63 is arranged vertically and is located in front of the gauze stack 8 and at the front end of the discharge chute 61, and can move vertically and upward to above the gauze stack 8.

[0026] The transfer structure 4 comprises a transfer shaft 41, a flap 42 and a clamp plate 43. The transfer shaft 41 is arranged on the frame 2 and rotates along the left-right direction. It is in transmission connection with the driving structure and is used to drive the clamp plate 43 to flip forward. The flap 42 is horizontally arranged along the front-back direction. Its front part coincides with the rear part of the conveying structure 3 and is provided with a strip-shaped port 44 matched with the narrow conveying belt. It is located in front of the transfer shaft 41 and its rear end is provided with two shaft sleeves 47 arranged side by side along the left-right direction. The two shaft sleeves 47 are rotatably arranged on the transfer shaft 41 and are sleeved on the transfer shaft 41. They are arranged along the left-right direction. One of the two shaft sleeves 47 is in transmission connection with the driving structure. The clamp plate 43 is horizontally arranged along the front-back direction. It is fixed on the rear side of the transfer shaft 41 and is located between the two shaft sleeves 47. It can flip forward to cover the upper side of the flap 42 (at this time, the clamp plate 43 rotates 180°). The rear end of the clamp plate 43 is provided with a rectangular tooth structure. The upper side of the flap 42 and the rear end of the conveying structure 3 are provided with a plurality of stop blocks 45 arranged side by side along the front-back direction for blocking the gauze piece 1 from being conveyed backward. When the clamp plate 43 covers the flap 42, the front end of the clamp plate 43 is arranged on the rear end of the gauze piece 1 on the flap 42 and the stop blocks 45 are located in the grooves of the rectangular tooth structure of the clamp plate 43. The length of the strip-shaped port 44 is close to the front-back width of the unfolded gauze piece 1.

[0027] Preferably, the rear part of the flap 42 and the rear part of the strip-shaped port 44 are provided with five avoidance holes 46 arranged side by side along the left-right direction. The five avoidance holes 46 are arranged alternately with the four folding plates. When the flap 42 covers the folding plate, the avoidance holes 46 can avoid the structures on the folding structure 5 (such as the rotating shaft, the rotating shaft support, the gear, the sector gear, etc.). Specifically, the avoidance holes 46 are front-back rectangular notches.

[0028] The clamp plate 43 comprises four clamp arms arranged side by side along the left-right direction. The four clamp arms are located in front of the four folding plates respectively. The clamp arms are arranged along the front-back direction. The front end of the clamp arms is fixed on the transfer shaft 41. The clamp arms are rectangular plates. The width of the clamp arms is smaller than the width of the folding plates. The rear part of the clamp arms is provided with two rectangular teeth arranged side by side along the left-right direction. The front part of the folding plates is provided with three rectangular teeth. The upper rear part of the clamp arms is provided with a friction plate 9 to ensure that the gauze piece 1 is clamped. The rectangular teeth of the clamp arms and the rectangular teeth of the folding plates are arranged alternately.

[0029] The folding structure 5 includes four folding plates arranged side by side. The flap 42 can be rotated backward and cover the upper side of the four folding plates. At this time, the gauze sheet 1 is placed on the four folding plates. The distance between the front end of the flap 42 and the transfer shaft 41 is almost the same as the distance between the rear end of the flap 42 and the transfer shaft 41. The length of each folding plate in the front-rear direction is almost the same as the width of the gauze sheet 1 in the front-rear direction, and the width of each folding plate in the left-right direction is almost one fourth of the length of the gauze sheet 1 in the left-right direction. The folding plate is arranged horizontally in the front-rear direction, and the front part of the folding plate is coincident with the rear part of the clamping plate 43. The front part of the folding plate is a rectangular tooth structure matched with the clamping plate 43. The folding plate is a rectangular plate, and the size of the folding plate is almost the same as the size of the folded gauze sheet 1.

[0030] The four folding plates are sequentially (counted from left to right) the first folding plate 51, the second folding plate 52, the third folding plate 53, and the fourth folding plate 54. The first folding plate 51 and the fourth folding plate 54 act simultaneously. The first folding plate 51 can be flipped to the right and cover the upper side of the second folding plate 52 (at this time, the first folding plate 51 is rotated by 180°). The fourth folding plate 54 can be flipped to the left and cover the upper side of the third folding plate 53 (at this time, the fourth folding plate 54 is rotated by 180°). The second folding plate 52 can be flipped to the right and cover the upper side of the third folding plate 53 (at this time, the second folding plate 52 is rotated by 180°). The third folding plate 53 is located below the front of the discharge groove 61 and can be flipped backward to be vertical and cover the front side of the gauze stack 8 (at this time, the third folding plate 53 is rotated by 90°).

[0031] Specifically, the left end of the first folding plate 51 is flush with the left end of the gauze sheet 1. The right end of the first folding plate 51 is arranged on the frame 2 through a front-rear first rotating shaft. The right upper part of the first folding plate 51 is provided with a friction plate 9 (specifically, a rectangular strip) in the front-rear direction. The left upper part of the first folding plate 51 is provided with an anti-static tape. The right end of the second folding plate 52 is arranged on the frame 2 through a front-rear second rotating shaft. The right upper part of the second folding plate 52 is provided with a friction plate 9 (specifically, a rectangular strip) in the front-rear direction. The left upper part of the second folding plate 52 is provided with an anti-static tape. The left end of the fourth folding plate 54 is flush with the right end of the gauze sheet 1. The right end of the fourth folding plate 54 is arranged on the frame 2 through a front-rear fourth rotating shaft. The left upper part of the fourth folding plate 54 is provided with a friction plate 9 (specifically, a rectangular strip). The right upper part of the fourth folding plate 54 is provided with an anti-static tape. The upper side of the third folding plate 53 is provided with a friction plate 9 (specifically, a rectangular strip). The rear end of the third folding plate 53 is arranged on the frame 2 through a left-right third rotating shaft. The frame 2 is provided with a buffer support block (specifically, a vertical rubber cylinder) below each folding plate. Each folding plate is arranged on the corresponding buffer support block. The first rotating shaft, the second rotating shaft, the third rotating shaft, and the fourth rotating shaft are in transmission connection with the driving structure. The first folding plate 51 and the second folding plate 52 are located at one fourth of the gauze sheet 1. The second folding plate 52 and the third folding plate 53 are located at two fourths of the gauze sheet 1. The third folding plate 53 and the fourth folding plate 54 are located at three fourths of the gauze sheet 1.

[0032] When the third folding plate 53 is pressed to the front side of the gauze stack 8, the third folding plate 53 is located at the front end in the discharge groove 61, and the lifting door 63 is lifted to the upper side of the third folding plate 53.

[0033] The driving structure synchronously drives the turning plate 42, the clamping plate 43, the lifting door 63 and the four folding plates. The driving structure 7 includes a driving motor, a driving shaft 71, a first reversing mechanism 72, a second reversing mechanism 73, a synchronous mechanism 74, two reversing rods 75, six cams 76 and ten linkage mechanisms 77 (including a first linkage mechanism, a second linkage mechanism, a third linkage mechanism, a fourth linkage mechanism, a fifth linkage mechanism, a sixth linkage mechanism, a seventh linkage mechanism, an eighth linkage mechanism, a ninth linkage mechanism and a tenth linkage mechanism). The two reversing rods 75 are respectively arranged on the left and right sides of the rack 2, and are arranged in the front-rear direction, and are located below the folding plates. The folding structure 5 is located between the two reversing rods 75. The driving shaft 71 is arranged in the left-right direction at the lower part of the rack 2, and is located below the folding structure 5, and is in transmission connection with the driving motor, and the left end of the driving shaft 71 is provided with three cams 76 in left-right parallel, and the right end of the driving shaft 71 is provided with another three cams 76 in left-right parallel. The setting angle of each cam 76 is to ensure that the corresponding structure completes the corresponding action at the corresponding time. The first reversing mechanism 72 and the synchronous mechanism 74 are respectively arranged on the front and rear of the left reversing rod 75, and the second reversing mechanism 73 is arranged on the right reversing rod 75. The first cam 76 drives the shifting shaft 41 through the first linkage mechanism 77, the second cam 76 drives the shaft sleeve 47 through the second linkage mechanism 77, the third cam 76 drives the first reversing mechanism 72 through the third linkage mechanism 77, the fourth cam 76 drives the second reversing mechanism 73 through the fourth linkage mechanism 77, the fifth cam 76 drives the third rotating shaft through the fifth linkage mechanism 77, and the sixth cam 76 drives the sliding block through the sixth linkage mechanism 77. The first reversing mechanism 72 drives the second rotating shaft through the seventh linkage mechanism 77. The second reversing mechanism 73 drives the fourth rotating shaft through the eighth linkage mechanism 77, and drives the synchronous mechanism 74 through the ninth linkage mechanism 77. The synchronous mechanism 74 drives the first rotating shaft through the tenth linkage mechanism 77. Among them, the first to sixth linkage mechanisms 77 are vertically arranged, and the seventh to tenth linkage mechanisms 77 are arranged in the left-right direction; the ninth linkage mechanism 77 is located below the folding structure 5.

[0034] Further, the first gear is coaxially arranged on the transfer shaft 41 and the shaft sleeve 47, and the first sector gear is arranged on the frame 2 and located below the first gear. The first sector gear is arranged on the frame 2 in the left-right direction, is engaged with the corresponding gear, and is in transmission connection with the corresponding connecting rod mechanism 77. The second gear is coaxially arranged on the front end of the second rotating shaft, the rear end of the first rotating shaft, and the rear end of the fourth rotating shaft, and the second sector gear is arranged on the frame 2 and located below, left, or right of the second gear. The second sector gear is arranged on the frame in the front-rear direction, is engaged with the corresponding gear, and is in transmission connection with the corresponding connecting rod mechanism 77. The right end of the third rotating shaft is provided with a driving arm (located on the front side of the third rotating shaft), which is in transmission connection with the fifth connecting rod mechanism 77.

[0035] Further, the swing arm is arranged corresponding to each cam 76. The swing arm is arranged in the front-rear direction, the front end thereof is rotatably arranged on the frame 2 through the rotating shaft in the left-right direction, the left side or the right side thereof is provided with a pulley matched with the cam 76, and the rear end thereof is provided with a spring between the frame 2. The pulley is arranged in the left-right direction and is in sliding connection with the top of the corresponding cam 76. The spring is arranged obliquely downward from front to back.

[0036] Specifically, the first reversing mechanism 72 in the embodiment of the present application is in L-shaped structure, the connecting part of the two arms thereof is arranged on the reversing rod 75 on the left side, and the reversing rod 75 includes a vertical arm and a horizontal arm outside the vertical arm. The vertical arm is arranged vertically, and the horizontal arm is arranged in the left-right direction and located on the left side of the vertical arm. The upper end of the vertical arm is in transmission connection with the seventh connecting rod mechanism 77 (through the rotating shaft in the front-rear direction), and the end of the horizontal arm is in transmission connection with the upper end of the third connecting rod mechanism 77 (through the rotating shaft in the front-rear direction). The synchronous mechanism 74 is in T-shaped structure, is arranged vertically, is rotatably arranged on the reversing rod 75 on the left side, and the upper end thereof is in transmission connection with the left end of the tenth connecting rod mechanism 77 (through the rotating shaft in the front-rear direction), and the lower end thereof is in transmission connection with the left end of the ninth connecting rod mechanism 77 (through the rotating shaft in the front-rear direction). The second reversing mechanism 73 is in T-shaped structure, the connecting part of the two arms (including a vertical arm and a horizontal arm on the right side of the vertical arm) thereof is arranged on the reversing rod 75 on the right side, the upper end of the vertical arm thereof is in transmission connection with the right end of the eighth connecting rod mechanism 77, the lower end of the vertical arm thereof is in transmission connection with the right end of the ninth connecting rod mechanism 77, and the right end of the horizontal arm thereof is in transmission connection with the upper end of the fourth connecting rod mechanism 77.

[0037] Further, the left side or the rear side of the discharge chute 61 in the embodiment of the present application is provided with a vertical rod, the vertical rod is vertically arranged and is provided with a sliding rail, a sliding block is slidingly arranged on the sliding rail, the sliding block is in transmission connection (through a corresponding hinged structure) with the driving structure and is located above the gauze stack 8. The lifting door 63 comprises a plurality of baffle plates arranged side by side. The baffle plate is vertically arranged, the top of the baffle plate abuts against the front side of the gauze stack 8, and the upper end of the baffle plate is fixed on the sliding block. The friction plate 9 of the third folding plate 53 is provided with a groove matched with the baffle plate (corresponding to the baffle plate one by one, the baffle plate can be inserted into the corresponding groove), and the groove is connected with the third rotating shaft through a front-rear direction arranged connecting part. A plurality of grooves are arranged side by side. The front end of the discharge chute 61 is provided with a position avoiding gap matched with the connecting part (the gauze sheet 1 cannot fall out downward). The position avoiding gap is a rectangular gap arranged along the front-rear direction, and is arranged in the middle of the discharge chute 61. When the third folding plate 53 is vertical, the connecting part is located in the position avoiding gap.

[0038] Embodiment 2 Referring to Figures 1-3 , the embodiment 2 provides a folding and discharging device for medical dressings, which has basically the same structure as that of the embodiment 1, and the difference lies in that the number of the stop blocks 45 in the embodiment is two, and when the clamping plates 43 press on the turning plates 42, the two stop blocks 45 are respectively located between the two rectangular teeth of the two clamping arms at the two ends.

[0039] Embodiment 3 Referring to Figure 4 , the embodiment 3 provides a folding and discharging device for medical dressings, which has basically the same structure as that of the embodiment 1, and the difference lies in that the front ends of the three swing arms on the left side are rotationally arranged on the left rotating shaft, and the front ends of the three swing arms on the right side are rotationally arranged on the right rotating shaft.

[0040] Embodiment 4 The embodiment 4 provides a folding and discharging device for medical dressings, which has basically the same structure as that of the embodiment 1, and the difference lies in that a plurality of turnover folding structures are arranged on the conveying structure 3 in the embodiment to realize folding of the gauze in the front-rear direction, and the folded gauze is output to the transfer structure 4. The turnover folding structure comprises a turnover shaft arranged along the left-right direction and a plurality of turnover arms arranged side by side on the same side (front side or rear side) of the turnover shaft.

[0041] Embodiment 5 The embodiment 5 provides a folding and discharging device for medical dressings, which has basically the same structure as that of the embodiment 1, and the difference lies in that three turnover folding structures are arranged on the conveying structure 3 in the embodiment to realize three-fold of the gauze in the front-rear direction, and the folded gauze is output to the transfer structure 4.

[0042] Embodiment 6 Referring to Figures 1-6 Embodiment 6 provides a folding method of a medical dressing, using the folding and discharging device of the medical dressing disclosed in Embodiments 1-5, the method comprising: S1: the conveying structure 3 sends the gauze sheet 1 to the front upper side of the flap 42; the clamping plate 43 rotates 180° forward to cover the upper side of the flap 42, and the clamping plate 43 clamps the rear end of the gauze sheet 1.

[0043] S2: the flap 42 and the clamping plate 43 rotate 180° backward together, the rectangular tooth structure at the rear of the clamping plate 43 is embedded into the rectangular tooth structure at the front of the folding plate; the rear of the flap 42 covers the folding plate, and the gauze sheet 1 is placed on the folding plate; the flap 42 flips back to the original position.

[0044] S3: the first folding plate 51 and the fourth folding plate 54 act simultaneously, the first folding plate 51 can flip 180° rightward and cover the upper side of the second folding plate 52, and the fourth folding plate 54 flips 180° leftward and covers the upper side of the third folding plate 53; the gauze sheet 1 is transferred to the second folding plate 52 and the third folding plate 53, and the first folding plate 51 and the fourth folding plate 54 return to the original positions.

[0045] S4: the second folding plate 52 flips 180° rightward and covers the upper side of the third folding plate 53, and the gauze sheet 1 is transferred to the third folding plate 53, and the second folding plate 52 returns to the original position.

[0046] S5: the third folding plate 53 flips 90° backward to be vertical and covers the front side of the gauze stack 8; at this time, the third folding plate 53 is located at the front end in the discharging groove 61, and the lifting door 63 is lifted to be directly above the third folding plate 53; the folded gauze sheet 1 is transferred to the front side of the gauze stack 8, and the gauze stack 8 and the stop block 62 move backward by the thickness of one folded gauze sheet 1; the third folding plate 53 and the lifting door 63 return to the original positions.

[0047] In the present patent, "first", "second", "third" and "fourth" only serve to distinguish, and have no other special meanings.

[0048] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A folding and discharging device for medical dressings, comprising a frame (2) and a conveying structure (3) thereon, said conveying structure (3) comprising multiple narrow conveyor belts arranged side by side; characterized in that, The device also includes a transfer structure (4), a folding structure (5), a discharge structure (6), and a drive structure (7); The discharge structure (6) includes a discharge trough (61) arranged in the front-back direction, a stop block (62) inside the discharge trough (61) and located behind the yarn stack (8), and a lifting door (63) at the front end inside the discharge trough (61) and located in front of the yarn stack (8). The lifting door (63) can move vertically. The transfer structure (4) includes a transfer shaft (41) arranged in the left-right direction, a flap (42) on the front side of the transfer shaft (41), and a clamping plate (43) on the rear side of the transfer shaft (41); the flap (42) is arranged horizontally in the front-back direction, its front part coincides with the rear part of the conveying structure (3), and its front part is provided with a strip opening (44) that cooperates with the narrow conveyor belt; the rear end of the narrow conveyor belt is located in the corresponding strip opening (44); the clamping plate (43) is arranged horizontally in the front-back direction. The device is configured to flip forward and cover the upper side of the flap (42), and its rear end is a rectangular tooth structure; multiple blocks (45) are arranged side by side on the upper side of the flap (42) and at the rear end of the conveying structure (3); when the clamping plate (43) covers the flap (42), the front end of the clamping plate (43) presses against the rear end of the gauze piece (1) on the flap (42), and the blocks (45) are located in the groove of the rectangular tooth structure of the clamping plate (43); The folding structure (5) includes four folding plates arranged side by side; the flip plate (42) can rotate backward and cover the upper side of the four folding plates, at which time the gauze sheet (1) is placed on the four folding plates; the folding plates are arranged horizontally in the front-back direction, their front part overlaps with the rear part of the clamping plate (43) and their front part is a rectangular tooth structure that cooperates with the clamping plate (43); the four folding plates are, in order, the first folding plate (51), the second folding plate (52), the third folding plate (53) and the fourth folding plate (54), the first folding plate (51) and the fourth folding plate (54) move simultaneously, the first folding plate (51) can flip to the right. The fourth folding plate (54) can be flipped to the left and pressed against the upper side of the third folding plate (53); the second folding plate (52) can be flipped to the right and pressed against the upper side of the third folding plate (53); the third folding plate (53) is located in front of the discharge trough (61), and it can be flipped backward to be vertical and pressed against the front side of the gauze stack (8); when the third folding plate (53) is pressed against the front side of the gauze stack (8), the third folding plate (53) is located in the front end of the discharge trough (61), and the lifting door (63) is raised to directly above the third folding plate (53); The drive structure synchronously drives the flap (42), clamp (43), lifting door (63) and four folding plates.

2. The apparatus according to claim 1, characterized in that, Five clearance holes (46) are provided at the rear of the flap (42) and behind the strip opening (44). The five clearance holes (46) are arranged side by side and are alternately arranged with the four folding plates. When the flap (42) covers the folding plate, the clearance holes (46) can avoid the structure on the folding structure (5). The rear end of the flap (42) has two bushings (47) arranged side by side, and the two bushings (47) are rotatably mounted on the transfer shaft (41); the clamp (43) is located between the two bushings (47) and its front end is fixed to the rear side of the transfer shaft (41); the transfer shaft (41) and one of the bushings (47) are connected to the drive structure for transmission.

3. The apparatus according to claim 2, characterized in that, The clamping plate (43) includes four clamping arms arranged side by side; the four clamping arms are respectively located in front of the four folding plates; the clamping arms are arranged in the front-back direction, their front ends are fixed on the transfer shaft (41), and their rear ends are provided with two rectangular teeth arranged side by side; the front of the folding plate is provided with three rectangular teeth; the upper rear part of the clamping arm is provided with a friction plate (9); the rectangular teeth of the clamping arm and the rectangular teeth of the folding plate are arranged alternately; the number of the stop blocks (45) is two, and when the clamping plate (43) is pressed on the flip plate (42), the two stop blocks (45) are respectively located between the two rectangular teeth of the two clamping arms at both ends.

4. The apparatus according to claim 2, characterized in that, The folding plate is a rectangular plate; the left end of the first folding plate (51) is flush with the left end of the gauze sheet (1), and its right end is rotatably mounted on the frame (2) via a first rotating shaft in the front-back direction. A friction plate (9) is provided on the upper right side along the front-back direction, and an antistatic tape is provided on the upper left side; the right end of the second folding plate (52) is rotatably mounted on the frame (2) via a second rotating shaft in the front-back direction. A friction plate (9) is provided on the upper right side along the front-back direction, and an antistatic tape is provided on the upper left side; the right end of the fourth folding plate (54) is flush with the right end of the gauze sheet (1), and its left end is rotatably mounted on the frame (2) via a fourth rotating shaft in the front-back direction. A friction plate (9) is provided on the upper left side, and an antistatic tape is provided on the upper right side; The upper side of the third folding plate (53) is provided with a friction plate (9), and its rear end is rotatably mounted on the frame (2) through a third rotating shaft in the left and right direction; a buffer support block is provided on the frame (2) and on the lower side of each folding plate, and the folding plate is placed on the corresponding buffer support block; the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft are connected to the drive structure for transmission; the first folding plate (51) and the second folding plate (52) are located at one-quarter of the gauze sheet (1), the second folding plate (52) and the third folding plate (53) are located at two-quarters of the gauze sheet (1), and the third folding plate (53) and the fourth folding plate (54) are located at three-quarters of the gauze sheet (1).

5. The apparatus according to claim 4, characterized in that, The discharge trough (61) is provided with a vertical rod on the left or rear side, and a slide rail is provided on the vertical rod. A slider is slidably provided on the slide rail. The slider is connected to the drive structure and is located above the gauze stack (8). The lifting door (63) includes multiple baffles arranged side by side. The baffles are arranged vertically and rest against the front side of the gauze stack (8). The upper end of the baffles is fixed to the slider. The friction plate (9) of the third folding plate (53) is provided with a groove that cooperates with the baffle. It is connected to the third rotating shaft through a connecting part arranged in the front and rear directions. Multiple grooves are arranged side by side. The bottom of the front end of the discharge trough (61) is provided with a clearance notch that cooperates with the connecting part. When the third folding plate (53) is vertical, the connecting part is located in the clearance notch.

6. The apparatus according to claim 4, characterized in that, The drive structure (7) includes a drive motor, a drive shaft (71), a first reversing mechanism (72), a second reversing mechanism (73), a synchronization mechanism (74), two reversing rods (75), six cams (76), and ten linkage mechanisms (77); the two reversing rods (75) are respectively located on the left and right sides of the frame (2), both arranged in the front-rear direction, and located below the folding plate; the folding structure (5) is located between the two reversing rods (75); the drive shaft (71) is arranged in the left-right direction. On the frame (2), it is located below the folding structure (5) and is connected to the drive motor. Three cams (76) are arranged side by side on the left end, and another three cams (76) are arranged side by side on the right end. The first reversing mechanism (72) and the synchronization mechanism (74) are respectively located at the front and rear of the reversing rod (75) on the left side. The second reversing mechanism (73) is located on the reversing rod (75) on the right side. The first cam (76) drives the transfer shaft (41) through the first linkage mechanism (77). The second cam (76) drives the bushing (47) through the second linkage mechanism (77), the third cam (76) drives the first reversing mechanism (72) through the third linkage mechanism (77), the fourth cam (76) drives the second reversing mechanism (73) through the fourth linkage mechanism (77), the fifth cam (76) drives the third rotating shaft through the fifth linkage mechanism (77), and the sixth cam (76) drives the slider through the sixth linkage mechanism (77); the first reversing mechanism (72) drives the seventh linkage mechanism (77) through the seventh linkage mechanism (78). The lever mechanism (77) drives the second rotating shaft; the second reversing mechanism (73) drives the fourth rotating shaft through the eighth linkage mechanism (77), which drives the synchronization mechanism (74) through the ninth linkage mechanism (77); the synchronization mechanism (74) drives the first rotating shaft through the tenth linkage mechanism (77); the first to sixth linkage mechanisms (77) are all vertically arranged, and the seventh to tenth linkage mechanisms (77) are all arranged in the left and right directions; the ninth linkage mechanism (77) is located below the folding structure (5).

7. The apparatus according to claim 6, characterized in that, A first gear is coaxially provided on both the transfer shaft (41) and the bushing (47). A first sector gear is provided on the frame (2) and below the first gear. The first sector gear is arranged on the frame (2) in the left-right direction, meshes with the corresponding gear, and is传动连接 with the corresponding link mechanism (77). A second gear is coaxially provided at the front end of the second rotating shaft, the rear end of the first rotating shaft, and the rear end of the fourth rotating shaft. A second sector gear is provided on the frame (2) and below, to the left, or to the right of the second gear. The second sector gear is arranged on the frame in the front-back direction, meshes with the corresponding gear, and is传动连接 with the corresponding link mechanism (77). A driving arm is provided at the right end of the third rotating shaft. The driving arm is传动连接 with the fifth link mechanism (77).

8. The apparatus according to claim 6, characterized in that, A swing arm is provided corresponding to each cam (76). The swing arm is arranged in the front-back direction. Its front end is rotatably arranged on the frame (2) through a left-right rotating shaft. A pulley cooperating with the cam (76) is provided on its left or right side. A spring is provided between its rear end and the frame (2). The pulley is arranged in the left-right direction and is slidably connected to the top of the corresponding cam (76). The spring is obliquely downward from front to back. The front ends of the three swing arms on the left are rotatably arranged on a rotating shaft on the left. The front ends of the three swing arms on the right are rotatably arranged on a rotating shaft on the right.

9. The device according to claim 6, wherein The first reversing mechanism (72) is of an L-shaped structure. The connection part of its two arms is arranged on the left reversing rod (75). The two ends of its two arms are respectively传动连接 with the third link mechanism (77) and the seventh link mechanism (77). The synchronization mechanism (74) is of an I-shaped structure. The middle part is rotatably arranged on the left reversing rod (75). Its upper end is传动连接 with the tenth link mechanism (77). Its lower end is传动连接 with the ninth link mechanism (77). The second reversing mechanism (73) is of a T-shaped structure. The connection part of its two arms is arranged on the right reversing rod (75). The upper end of its vertical arm is传动连接 with the eighth link mechanism (77). The lower end of its vertical arm is传动连接 with the ninth link mechanism (77). Its horizontal arm is传动连接 with the fourth link mechanism (77).

10. A method using the folding and discharging device for medical dressings as described in any one of claims 1-9, characterized in that, The method includes: S1: The conveying structure (3) sends the gauze piece (1) to the upper front part of the turning plate (42). The clamping plate (43) rotates forward by 180° to cover and press on the upper side of the turning plate (42). The clamping plate (43) clamps the rear end of the gauze piece (1). S2: The turning plate (42) and the clamping plate (43) rotate backward together by 180°. The rectangular tooth structure at the rear part of the clamping plate (43) is embedded in the rectangular tooth structure at the front part of the folding plate. The rear part of the turning plate (42) covers and presses on the folding plate. The gauze piece (1) is placed on the folding plate. The turning plate (42) flips forward to return to its original position. S3: The first folding plate (51) and the fourth folding plate (54) move simultaneously. The first folding plate (51) can be flipped 180° to the right and pressed against the upper side of the second folding plate (52). The fourth folding plate (54) is flipped 180° to the left and pressed against the upper side of the third folding plate (53). The gauze piece (1) is transferred to the second folding plate (52) and the third folding plate (53). The first folding plate (51) and the fourth folding plate (54) return to their original positions. S4: The second folding plate (52) is flipped 180° to the right and pressed onto the upper side of the third folding plate (53), the gauze piece (1) is transferred to the third folding plate (53), and the second folding plate (52) is returned to its original position; S5: The third folding plate (53) flips back 90° to be vertical and covers the front side of the gauze stack (8); at this time, the third folding plate (53) is located at the front end of the discharge chute (61), and the lifting door (63) is raised to the top of the third folding plate (53); the folded gauze piece (1) is transferred to the front side of the gauze stack (8), and the gauze stack (8) and the block (62) are moved back by the thickness of one folded gauze piece (1); the third folding plate (53) and the lifting door (63) return to their original positions.

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