CN212223286U - Automatic label feeding device for automatic glove overlocking machine - Google Patents

Abstract

An automatic label feeding device for an automatic glove overlocking machine comprises a bottom plate (1), wherein a large vertical plate (2), a discharging unit (a), a cutting unit (b), a clamping and conveying unit (c), a label unloading unit (d) and a trademark positioning unit (e) are arranged on the bottom plate (1), and the trademark positioning unit (e) comprises a label moving device (h), a connecting plate (9) and a second air cylinder (8); move mark ware (h) and fix the front end at the piston rod of second cylinder (8) through connecting plate (9), second cylinder (8) can drive and move mark ware (h) back-and-forth movement, move mark ware (h) and can move the trade mark of cutting out from the rear end of punch holder (6) and lower plate (7) to the front end to make the trade mark front end form a free portion, send the trade mark to predetermined position when pressing from both sides the unit (c), unload mark unit (d) and press the free portion of trade mark on serging running roller (100) through gloves.

Description

Automatic label feeding device for automatic glove overlocking machine

Technical Field

The utility model belongs to the technical field of labor protection glove processing equipment, concretely relates to automatic label device that send that is used for automatic machine of lockstitching a border of gloves.

Background

Knitted gloves are usually knitted and then the cuff of the glove is trimmed and a rubber band is wrapped inside the knitted gloves for convenience of use, so that the knitted gloves are attractive and durable, and exported gloves and most of high-grade gloves need to be trimmed and a trademark needs to be locked on the inner side of the cuff. At present, the most common method is to adopt a special glove serging machine, and manually operate one machine to complete the serging of the glove bowl mouth by one person, namely, manually place the glove bowl mouth part below a presser foot of the serging machine, manually cut off one from a coiled trademark, one hand uncovers the glove wrist mouth, the other hand inserts the trademark into the inner side of the wrist mouth, (the process wastes time, the trademark is easy to be askew, the placement position is unstable), and then a pedal plate starts a motor, so that the serging of the glove bowl mouth is completed; the whole process is very complicated, hands and feet are used together to keep coordination, so that the work requires a certain skill of workers, and because the rotating speed of the machine is fixed, only the workers with more skillful techniques can be engaged to improve a little work efficiency, and along with the increasing production scale of the labor protection glove industry, the problem of difficult recruitment is increasingly prominent.

The chinese patent with application number 201720940208.0 that applicant previously applied discloses a full-automatic glove serging machine, including glove grabbing device, end of thread processing unit, lift presser foot device, serging machine aircraft nose that set up on the workstation, end of thread processing unit includes: a trimming and trimming device and a trimming and blowing and sucking device. The utility model discloses a though solved the automatic problem of accomplishing the work of lockstitching a border, improved work efficiency, but the function singleness can not the automatic gloves of locking band trade mark, can not satisfy the market demand completely.

The Chinese patent with the application number of 201410228380.4 discloses an automatic label feeding mechanism, which comprises a discharging unit, a cutting unit, a clamping and conveying unit and an auxiliary pressing unit; the clamping and conveying unit is positioned in the discharging direction of the discharging unit; the cutting unit is fixed between the discharging unit and the clamping and conveying unit; after the trademark is cut by the cutting unit, the clamping and conveying unit clamps the part of the trademark from the side surface of the trademark and pushes the part out, and the auxiliary pressing unit rolls the trademark out of the clamping and conveying unit. The utility model discloses a although fine solution send the problem of trade mark automatically, at the gloves lockstitch an edge in-process, because the trade mark is in the inboard of gloves bowl mouth, the unable trade mark that contacts of running roller of assisting the pressure unit, it can't separate gloves promptly and send the roll extrusion out on the unit with the trade mark from pressing from both sides, consequently this utility model can't realize sending the mark function in the automation of gloves lockstitch an edge.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide an efficient, place the automation that is used for automatic machine of lockstitching a border of gloves of position accuracy and send mark device, the device combines together with current full-automatic gloves machine of lockstitching a border, can realize the gloves of automatic lock area trade mark, improves its function and efficiency greatly.

The utility model provides a technical scheme that its technical problem adopted is: an automatic label feeding device for an automatic glove overlocking machine comprises a bottom plate, wherein a large vertical plate, a discharging unit, a cutting unit, a clamping and conveying unit and a label unloading unit are arranged on the bottom plate; the large vertical plate is fixed on the bottom plate; the clamping and conveying unit is positioned on the side of the discharging opening of the discharging unit; the cutting unit is fixed between the discharging unit and the clamping and conveying unit; the label unloading unit is fixed at the front end of the large vertical plate and is positioned above the clamping and conveying unit; the large vertical plate is also provided with a trademark positioning unit, and the trademark positioning unit comprises a trademark moving device, a connecting plate and a second cylinder; the label moving device is fixed at the front end of a piston rod of the second cylinder through the connecting plate, the second cylinder is fixed on the large vertical plate and located above the side of the clamping and conveying unit, the second cylinder can drive the label moving device to move back and forth, a cut trademark of the label moving device can move from the rear ends to the front ends of the upper clamping plate and the lower clamping plate, a suspended part is formed at the front end of the trademark, and when the clamping and conveying unit conveys the trademark to a preset position, the label unloading unit presses the suspended part of the trademark on the edge locking roller.

Preferably, the first type of label shifting device comprises a third cylinder, a sliding block, a guide rail and a flexible pressure head; the third cylinder with the guide rail is all fixed on the connecting plate, the slider sets up on the guide rail, the third cylinder with the slider is connected to be located the top of slider, flexible pressure head is fixed on the slider, and is located the below of slider, the third cylinder can drive the slider is followed the guide rail reciprocates.

The flexible pressure head has two structural forms:

the first flexible pressure head comprises a first sleeve, a first spring and a first pressure head; the first spring is arranged in the first sleeve, the upper end of the first pressure head is arranged in the first sleeve and is positioned below the first spring, the first spring supplies downward pre-pressure to the first pressure head, and the first pressure head can move up and down in the first sleeve under the action of external force and spring force.

The second flexible pressure head comprises a first sleeve, a first spring and a vacuum chuck; the first spring is arranged in the first sleeve, the upper end of the vacuum chuck is arranged in the first sleeve and is positioned below the first spring, the first spring supplies downward prepressing force to the vacuum chuck, and the vacuum chuck can move up and down in the first sleeve under the action of external force and spring force.

Preferably, the second type of label shifter comprises a fourth cylinder and a clamping jaw; the clamping jaw is installed on the fourth cylinder, and the fourth cylinder can drive the clamping jaw opens and closes.

Preferably, the label unloading unit comprises a cylinder bracket, a first cylinder and a label unloading pressure head; the first air cylinder is arranged on the air cylinder bracket, the label unloading pressure head is connected with the front end of a piston rod of the first air cylinder, and the first air cylinder can drive the label unloading pressure head to move up and down; the label unloading pressure head comprises a third sleeve, a third spring and a third pressure head; the third spring sets up in the third sleeve, the upper end setting of third pressure head is in the third sleeve, be located the below of third spring, under the effect of external force and spring force, the third pressure head can reciprocate in the third sleeve.

Preferably, the upper and lower clamping plates of the pinch unit are strip-shaped thin plate members, the width of the strip-shaped thin plate members is equivalent to that of the trademark, and the length of the strip-shaped thin plate members is larger than that of the trademark.

The central part of the upper clamping plate is provided with a vertically through long and thin U-shaped notch, the opening faces forwards, and the width of the notch is slightly larger than the maximum width of the cross section of the first pressure head, the vacuum chuck, the clamping jaw or the third pressure head along the radial direction of the notch; the length of the clamping jaw meets the requirement that when the second cylinder retracts and the upper clamping plate moves to the rearmost end, the first pressure head or the vacuum chuck or the clamping jaw can smoothly pass through the notch to contact the trademark.

The lower clamping plate has two structural forms, namely a first lower clamping plate or a second lower clamping plate;

the front end of the first lower clamping plate is provided with a U-shaped small notch which is through up and down, the opening faces forwards, the width of the small notch is slightly larger than the maximum width of the cross section of the third pressing head in the radial direction of the small notch, and the length of the small notch meets the requirement that when the first lower clamping plate moves to the foremost end, the third pressing head can smoothly pass through the small notch.

The center part of the second lower clamping plate is provided with a long and thin U-shaped large notch which is communicated up and down, the opening faces forwards, and the width of the opening is slightly larger than the maximum width of the cross section of the clamping jaw or the third pressure head along the radial direction of the large notch; the length of the upper clamping plate is equivalent to that of the notch of the upper clamping plate.

As a further improvement to above-mentioned technical scheme, the utility model discloses the technical problem that further solves provides an automatic mark device that send for automatic serging machine of gloves, and this kind of mark device that send can prevent to take place offset before getting into the presser foot of serging machine at the serging in-process, trade mark to realize more stable automation and send the mark.

Therefore, in a further improved scheme of the utility model, a trademark deviation preventing unit is further arranged on the large vertical plate; the trademark deviation preventing unit comprises a cylinder bracket, a fifth cylinder, a rotation preventing plate, a second sleeve, a second spring, a roller frame, a roller, a round pin, a guide sleeve and a guide pillar; the cylinder bracket is installed on the large vertical plate, the fifth cylinder and the guide sleeve are installed on the cylinder bracket, one end of the anti-rotation plate is connected with the front end of a piston rod of the fifth cylinder, the guide pillar is installed at the other end of the anti-rotation plate, the guide pillar penetrates through an inner hole of the guide sleeve, the upper end of the second sleeve is connected with the front end of the piston rod of the fifth cylinder and is positioned below the anti-rotation plate, the second spring is arranged in the second sleeve, the upper end of the roller frame is arranged in the second sleeve and is positioned below the second spring, the roller frame can move up and down in the second sleeve, the roller is installed on the roller frame through the round pin, and the roller can freely rotate around the round pin; the fifth cylinder can drive the second sleeve to move up and down and can also drive the guide pillar to move up and down along the guide sleeve; the number of the rollers is at least one.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model realizes automatic label feeding and unloading, accurate label placing position, can realize automatic locking of gloves with labels by matching with the existing automatic glove serging machine, and simultaneously has the label deviation preventing function of preventing the position of the labels from deviating before entering the presser foot of the serging machine; the glove processed in this way has accurate and consistent trademark positions, and is tidy and beautiful.

Drawings

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

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a schematic view of the three-dimensional structure of the position relationship between the pinch unit c, the label unloading unit d, the trademark deviation preventing unit f and the lockstitch portion j of the overlock machine;

fig. 4 is a schematic perspective view of a trademark positioning unit e according to a first embodiment of the present invention;

fig. 5 is a schematic perspective view of a flexible indenter i according to a first embodiment of the present invention;

fig. 6 is a schematic perspective view of a flexible indenter i according to a second embodiment of the present invention;

fig. 7 is a schematic perspective view of a trademark positioning unit e in the third embodiment of the present invention;

fig. 8 is a schematic perspective view of a label shifter h according to a third embodiment of the present invention;

fig. 9 is a schematic perspective view of a label unloading press head g according to an embodiment of the present invention;

fig. 10 is a schematic perspective view of the upper splint 6 according to the embodiment of the present invention;

fig. 11 is a schematic perspective view of a first lower splint 71 according to a first embodiment and a second embodiment of the present invention;

fig. 12 is a schematic perspective view of a second lower clamping plate 72 according to a third embodiment of the present invention;

fig. 13 is a schematic perspective view of a trademark deviation preventing unit f according to an embodiment of the present invention;

labeled as:

a. a discharging unit; b. a cutting unit; c. a pinch unit; d. label unloading unit; e. a trademark positioning unit; f. a trademark deviation prevention unit; g. unloading the label pressing head; h. a label shifting device; i. a flexible indenter; j. a lock edge part; 1. a base plate; 2. a large vertical plate; 4. a cylinder support; 5. a first cylinder; 6. an upper splint; 7. a lower splint; 8. a second cylinder; 9. a connecting plate; 10. a third cylinder; 11. a slider; 12. a guide rail; 13. a first sleeve; 14. a first spring; 15. a first ram; 16. a vacuum chuck; 17. a fourth cylinder; 18. a clamping jaw; 19. a fifth cylinder; 20. an anti-rotation plate; 21. a second sleeve; 22. a second spring; 23. a roller frame; 24. A roller; 25. a round pin; 26. a guide sleeve; 27. a guide post; 28. a third sleeve; 29. a third spring 30, a third ram; 61. A notch; 71. a first lower splint; 72. a second lower splint; 711. a small notch; 721. a large notch; 100. a serging roller; 101. A feed belt; 102. presser foot of overlock machine.

Detailed Description

The invention is further described with reference to the following embodiments:

example one

As shown in fig. 1, 2, 4, 5, 9, 10, 11, 13, an automatic label feeding device for an automatic glove overlocking machine comprises a bottom plate 1, wherein a large vertical plate 2, a discharging unit a, a cutting unit b, a clamping and conveying unit c and a label unloading unit d are arranged on the bottom plate 1; the large vertical plate 2 is fixed on the bottom plate 1; the clamping and conveying unit c is positioned on the side of the discharging opening of the discharging unit a; the cutting unit b is fixed between the discharging unit a and the clamping and conveying unit c; the label unloading unit d is fixed at the front end of the large vertical plate 2 and is positioned above the clamping and conveying unit c; the big vertical plate 2 is also provided with a trademark positioning unit e, and the trademark positioning unit e comprises a trademark moving device h, a connecting plate 9 and a second cylinder 8; move mark ware h and pass through the connecting plate 9 to be fixed at the front end of the piston rod of second cylinder 8, second cylinder 8 is fixed on big riser 2, be located the side top of pressing from both sides send unit c, second cylinder 8 can drive and move mark ware h back-and-forth movement, move mark ware h can remove the front end from the rear end of punch holder 6 and lower plate 7 with the trade mark of tailorring, and make the trade mark front end form a free portion, send the trade mark to preset position when pressing from both sides send unit c, when gloves are sheatheed in manually, unload mark unit d and press the free portion of trade mark on the border locking running roller 100 with gloves separating.

The label shifter h comprises a third cylinder 10, a sliding block 11, a guide rail 12 and a flexible pressure head i; third cylinder 10 and guide rail 12 are all fixed on connecting plate 9, and slider 11 sets up on guide rail 12, and third cylinder 10 is connected with slider 11 to be located slider 11's top, flexible pressure head i fixes on slider 11, and is located slider 11's below, and third cylinder 10 can drive slider 11 and reciprocate along guide rail 12.

The flexible pressure head i comprises a first sleeve 13, a first spring 14 and a first pressure head 15; the first spring 14 is arranged in the first sleeve 13, the upper end of the first pressure head 15 is arranged in the first sleeve 13 and is positioned below the first spring 14, the first spring 14 gives downward pre-pressure to the first pressure head 15, and the first pressure head 15 can move up and down in the first sleeve 13 under the action of external force and spring force.

Above-mentioned flexible pressure head i is when pushing down the trade mark, and first pressure head 15 can produce certain ascending displacement volume, through the first spring 14 of selecting suitable elasticity and/or the pressure of adjustment third cylinder 10 to make and move mark ware h and produce suitable pressure, ensure that flexible pressure head i is when pushing down the trade mark, can not crush the trade mark, ensure simultaneously that the frictional force between first pressure head 15 and the trade mark is greater than the frictional force between trade mark and the lower plate 7, thereby can drive the trade mark and remove.

The flexible ram i may not include the first spring 14, but the first sleeve 13 and the first ram 15 are integrated, and the performance of the label shifter h is achieved only by adjusting the pressure of the third cylinder 10.

The label unloading unit d comprises a cylinder bracket 4, a first cylinder 5 and a label unloading pressure head g; the first cylinder 5 is arranged on the cylinder support 4, the label unloading pressure head g is connected with the front end of a piston rod of the first cylinder 5, and the first cylinder 5 can drive the label unloading pressure head g to move up and down.

The label unloading press head g comprises a third sleeve 28, a third spring 29 and a third press head 30; the third spring 29 is arranged in the third sleeve 28, the upper end of the third pressure head 30 is arranged in the third sleeve 28 and is positioned below the third spring 29, and the third pressure head 30 can move up and down in the third sleeve 28 under the action of external force and spring force.

When the label unloading press head g presses the suspended part of the label, the third press head 30 can generate a certain upward displacement, and the third spring 29 with proper elasticity is selected and/or the pressure of the first air cylinder 5 is adjusted, so that the label unloading unit d generates proper pressure, the label can be smoothly unloaded, and the label and the overlock roller 100 cannot be crushed due to excessive pressure.

The label removing press head g may not include the third spring 29, and the third sleeve 28 and the third press head 30 may be integrally formed, so that the performance of the label removing unit d may be realized only by adjusting the pressure of the first cylinder 5.

The upper and lower clamp plates 6 and 7 of the pinch unit c are strip-shaped thin plate members having a width corresponding to the width of the trademark and a length greater than the length of the trademark.

The strip-shaped thin plate structure of the upper clamping plate and the lower clamping plate is convenient for sleeving the gloves and the rubber bands on the upper clamping plate and the serging part j.

The central part of the upper splint 6 is provided with a long and thin U-shaped notch 61 which is penetrated up and down, the opening faces forwards, and the width of the notch is slightly larger than that of the cross section of the first pressure head 15 or the third pressure head 30 along the radial direction of the notch 61; the length of which is such that the first presser 15 can smoothly press the trademark through the notch 61 when the second cylinder 8 is retracted and the upper plate 6 is moved to the rearmost end.

The lower clamp plate 7 is a first lower clamp plate 71, the front end of the first lower clamp plate 71 is provided with a U-shaped small notch 711 which penetrates up and down, the opening is forward, the width of the U-shaped small notch is slightly larger than the maximum width of the cross section of the third pressing head 30 along the radial direction of the small notch 711, and the length of the U-shaped small notch is enough to enable the third pressing head 30 to smoothly pass through the small notch 711 when the first lower clamp plate 71 moves to the forefront end.

When the trademark positioning unit e moves the trademark to the front ends of the upper clamping plate and the lower clamping plate, a suspension part can be formed at the small notch 711, so that the trademark can be conveniently detached; however, the front end of the first lower plate 71 may be formed without the small notch 711, and the trademark may be moved forward so that the front end thereof protrudes from the front ends of the upper and lower plates to form a suspended portion.

The big vertical plate 2 is also provided with a trademark deviation prevention unit f; the trademark deviation preventing unit f comprises a cylinder bracket 4, a fifth cylinder 19, a rotation preventing plate 20, a second sleeve 21, a second spring 22, a roller frame 23, a roller 24, a round pin 25, a guide sleeve 26 and a guide pillar 27; the cylinder bracket 4 is arranged on the large vertical plate 2, the fifth cylinder 19 and the guide sleeve 26 are arranged on the cylinder bracket 4, one end of the anti-rotation plate 20 is connected with the front end of the piston rod of the fifth cylinder 19, the other end of the anti-rotation plate is provided with the guide post 27, the guide post 27 passes through the inner hole of the guide sleeve 26, the upper end of the second sleeve 21 is connected with the front end of the piston rod of the fifth cylinder 19 and is positioned below the anti-rotation plate 20, the second spring 22 is arranged in the second sleeve 21, the upper end of the roller frame 23 is arranged in the second sleeve 21 and is positioned below the second spring 22, the roller frame 23 can move up and down in the second sleeve 21, the roller 24 is arranged on the roller frame 23 through the round pin 25, and the roller 24 can freely rotate around the round pin; the fifth cylinder 19 can drive the second sleeve 21 to move up and down, and can also drive the guide pillar 27 to move up and down along the guide sleeve 26; the number of the rollers 24 is at least one, and as a preferable scheme, two rollers 24 are selected in the embodiment; the guide post 27 may serve to reinforce and prevent the second sleeve 21 from rotating.

When the trademark deviation preventing unit f presses the trademark, the roller frame 23 can generate a certain upward displacement, and the second spring 22 with appropriate elasticity is selected and/or the pressure of the fifth cylinder 19 is adjusted, so that the trademark deviation preventing unit f generates appropriate pressure, the trademark deviation preventing unit f is ensured to be capable of preventing the position of the trademark from deviating and ensuring that the feeding belt 101 is not influenced to drive the glove to rotate when the trademark deviation preventing unit f presses the trademark.

The trademark deviation preventing means f may not include the second spring 22, but the roller frame 23 and the second sleeve 21 may be integrally configured, and the above function of the trademark deviation preventing means f may be realized only by adjusting the pressure of the fifth cylinder 19.

Example two

As shown in fig. 1, 2, 4, 6, 9, 10, 11, 13, the flexible ram i comprises a first sleeve 13, a first spring 14 and a vacuum chuck 16; the first spring 14 is arranged in the first sleeve 13, the upper end of the vacuum chuck 16 is arranged in the first sleeve 13 and is positioned below the first spring 14, and the vacuum chuck 16 can move up and down in the first sleeve 13 under the action of external force and spring force.

When the flexible pressure head i presses a trademark, the vacuum sucker 16 can generate a certain upward displacement, and the vacuum sucker 16 can be ensured not to suck wrinkles of the trademark while sucking the trademark and driving the trademark to move forwards by adjusting the suction force of the vacuum sucker.

The flexible ram i may not include the first spring 14, but the first sleeve 13 and the vacuum chuck 16 may be integrated, and the pressure of the third cylinder 10 and the suction force of the vacuum chuck 16 may be adjusted to achieve the above-mentioned performance.

The central part of the upper splint 6 is provided with a long and thin U-shaped notch 61 which is penetrated up and down, the opening faces forwards, and the width of the notch is slightly larger than that of the cross section of the vacuum chuck 16 or the third pressure head 30 along the radial direction of the notch 61; the length of which is such that when the second cylinder 8 is retracted and the upper jaw 6 is moved to the rearmost end, the vacuum cup 16 can smoothly grip the trade mark through the slot 61.

The other structures are the same as those in the first embodiment.

EXAMPLE III

As shown in fig. 1, 2, 7, 8, 9, 10, 12, 13, the label shifter h includes a fourth cylinder 17 and a clamping jaw 18; the clamping jaw 18 is arranged on a fourth cylinder 17, and the fourth cylinder 17 can drive the clamping jaw 18 to open and close.

By adjusting the clamping force of the fourth cylinder 17, flexible clamping can be realized, the clamping jaw 18 is ensured to smoothly move trademarks to the front ends of the upper clamping plate and the lower clamping plate while not clamping the trademarks, and a suspended part is formed.

The central part of the upper splint 6 is provided with a long and thin U-shaped groove 61 which is penetrated up and down, the opening is forward, and the width of the groove is slightly larger than that of the cross section of the clamping jaw 18 or the third pressure head 30 along the radial direction of the groove 61 and is the maximum; the length of the clamping jaw 18 is such that when the second cylinder 8 retracts and the upper clamping plate 6 moves to the rearmost end, the clamping jaw can smoothly clamp the trademark through the notch 61.

The lower plate 7 is a second lower plate 72, and a long and thin U-shaped large slot 721 penetrating up and down is opened at the central part of the second lower plate 72, and the size of the slot is equivalent to the size of the slot 61 with the opening facing forward.

The other structures are the same as those in the first embodiment.

The utility model discloses a theory of operation and working process as follows:

as shown in fig. 1 to 13, after the previous label feeding process is finished, the initial position of the label is as shown in fig. 3, gloves and rubber bands are sleeved on the locking edge portion j, the upper clamping plate 6 and the lower clamping plate 7, the starting switch is triggered, the first air cylinder 5 acts to drive the label discharging pressure head g to move downwards, the suspended portion of the label is pressed on the locking edge roller 100 through the gloves, the upper clamping plate and the lower clamping plate are opened, the forward and backward movement air cylinder of the clamping and conveying unit c acts to retract, the upper clamping plate and the lower clamping plate are moved to the rear end, so that label discharging is completed, the discharging unit a acts to discharge the label between the upper clamping plate and the lower clamping plate, when the length of the label reaches the preset length, the upper clamping plate and the lower clamping plate are closed to clamp the label, the cutting unit b acts to cut the label, the third air cylinder 10 (or the fourth air cylinder 17) acts to extend (or close), press (or suck or clamp) the label, the upper clamping, and forming a suspended part, closing the upper and lower clamping plates again to clamp the trademark, retracting (or opening) the third cylinder 10 (or the fourth cylinder 17) by action, extending out the forward and backward moving cylinder of the clamping and conveying unit c by action, and conveying the trademark to the upper parts of the serging roller 100 and the feeding belt 101 of the serging part j to finish the one-time trademark conveying process; in the process, when the label is removed, the fifth cylinder 19 extends to drive the roller 24 to move downwards, so that the label is pressed on the feeding belt 101 through the gloves.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the present invention into equivalent embodiments with equivalent changes, for example, in the second embodiment of the present invention, the vacuum suction cup principle is adopted to adsorb the trademark, and the electrostatic adsorption principle can also be adopted to realize the second embodiment. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention will still fall within the protection scope of the technical solution of the present invention without departing from the technical solution of the present invention.

Claims (10)

1. An automatic label feeding device for an automatic glove overlocking machine comprises a bottom plate (1), wherein a large vertical plate (2), a discharging unit (a), a cutting unit (b), a clamping and conveying unit (c) and a label unloading unit (d) are arranged on the bottom plate (1); the large vertical plate (2) is fixed on the bottom plate (1); the pinch unit (c) is positioned at the discharging port side of the discharging unit (a); the cutting unit (b) is fixed between the discharging unit (a) and the clamping and conveying unit (c); the label unloading unit (d) is fixed at the front end of the large vertical plate (2) and is positioned above the clamping and conveying unit (c); the method is characterized in that: the large vertical plate (2) is also provided with a trademark positioning unit (e), and the trademark positioning unit (e) comprises a trademark moving device (h), a connecting plate (9) and a second cylinder (8); the label moving device (h) is fixed at the front end of a piston rod of the second cylinder (8) through the connecting plate (9), the second cylinder (8) is fixed on the large vertical plate (2) and located above the side of the clamping and conveying unit (c), the second cylinder (8) can drive the label moving device (h) to move back and forth, the label moving device (h) can move the cut trademark from the rear ends of the upper clamping plate (6) and the lower clamping plate (7) to the front end, a suspended part is formed at the front end of the trademark, and when the clamping and conveying unit (c) conveys the trademark to a preset position, the label unloading unit (d) presses the suspended part of the trademark on the edge locking roller (100).

2. The automatic label feeding device for glove automatic serging machine according to claim 1, characterized in that: the label shifter (h) comprises a third air cylinder (10), a sliding block (11), a guide rail (12) and a flexible pressure head (i); the third cylinder (10) and the guide rail (12) are fixed on the connecting plate (9), the sliding block (11) is arranged on the guide rail (12), the third cylinder (10) is connected with the sliding block (11) and located above the sliding block (11), the flexible pressure head (i) is fixed on the sliding block (11) and located below the sliding block (11), and the third cylinder (10) can drive the sliding block (11) to move up and down along the guide rail (12).

3. The automatic label feeding device for glove automatic serging machine according to claim 2, characterized in that: the flexible ram (i) comprises a first sleeve (13), a first spring (14) and a first ram (15); the first spring (14) is arranged in the first sleeve (13), the upper end of the first pressure head (15) is arranged in the first sleeve (13) and located below the first spring (14), and the first pressure head (15) can move up and down in the first sleeve (13) under the action of external force and spring force.

4. The automatic label feeding device for glove automatic serging machine according to claim 2, characterized in that: the flexible ram (i) comprises a first sleeve (13), a first spring (14) and a vacuum chuck (16); the first spring (14) is arranged in the first sleeve (13), the upper end of the vacuum sucker (16) is arranged in the first sleeve (13) and is positioned below the first spring (14), and the vacuum sucker (16) can move up and down in the first sleeve (13) under the action of external force and spring force.

5. The automatic label feeding device for glove automatic serging machine according to claim 1, characterized in that: the label shifter (h) comprises a fourth cylinder (17) and a clamping jaw (18); the clamping jaw (18) is installed on the fourth cylinder (17), and the fourth cylinder (17) can drive the clamping jaw (18) to open and close.

6. The automatic label feeding device for glove automatic serging machine according to claim 1, characterized in that: the label unloading unit (d) comprises a cylinder bracket (4), a first cylinder (5) and a label unloading pressure head (g); the first air cylinder (5) is arranged on the air cylinder bracket (4), the label unloading pressure head (g) is connected with the front end of a piston rod of the first air cylinder (5), and the first air cylinder (5) can drive the label unloading pressure head (g) to move up and down; the label unloading pressure head (g) comprises a third sleeve (28), a third spring (29) and a third pressure head (30); the third spring (29) is arranged in the third sleeve (28), the upper end of the third pressure head (30) is arranged in the third sleeve (28) and is positioned below the third spring (29), and the third pressure head (30) can move up and down in the third sleeve (28) under the action of external force and spring force.

7. The automatic label feeding device for glove automatic serging machine according to claim 1, characterized in that: the upper clamping plate (6) and the lower clamping plate (7) of the clamping and conveying unit (c) are strip-shaped thin plate members, the width of the thin plate members is equivalent to that of the trademark, and the length of the thin plate members is larger than that of the trademark.

8. The automatic label feeding device for glove automatic serging machine according to claim 7, characterized in that: the central part of the upper clamping plate (6) is provided with a vertically through long and thin U-shaped notch (61), the opening faces forwards, and the width of the notch is slightly larger than the maximum width of the cross section of the first pressure head (15), the vacuum suction disc (16), the clamping jaw (18) or the third pressure head (30) along the radial direction of the notch (61); the length of the clamping jaw is enough that when the second air cylinder (8) retracts and the upper clamping plate (6) moves to the rearmost end, a first pressure head (15) or a vacuum suction cup (16) or a clamping jaw (18) can smoothly contact the trademark through the notch (61).

9. The automatic label feeding device for glove automatic serging machine according to claim 7, characterized in that: the lower clamping plate (7) is a first lower clamping plate (71) or a second lower clamping plate (72);

the front end of the first lower clamping plate (71) is provided with a U-shaped small notch (711) which is penetrated up and down, the opening is forward, the width of the U-shaped small notch is slightly larger than the maximum width of the cross section of the third pressing head (30) along the radial direction of the small notch (711), and the length of the U-shaped small notch is enough to ensure that the third pressing head (30) can smoothly pass through the small notch (711) when the first lower clamping plate (71) moves to the forefront end;

the center of the second lower clamping plate (72) is provided with a long and thin U-shaped large notch (721) which is penetrated up and down, the opening faces forwards, and the width of the opening is slightly larger than the maximum width of the cross section of the clamping jaw (18) or the third pressure head (30) along the radial direction of the large notch (721); the length of which corresponds to the length of the notch (61).

10. The automatic label feeding device for glove automatic serging machine according to any one of claims 1 to 9, characterized in that: the big vertical plate (2) is also provided with a trademark deviation prevention unit (f); the trademark deviation preventing unit (f) comprises a cylinder bracket (4), a fifth cylinder (19), a rotation preventing plate (20), a second sleeve (21), a second spring (22), a roller frame (23), a roller (24), a round pin (25), a guide sleeve (26) and a guide pillar (27); the cylinder bracket (4) is installed on the large vertical plate (2), the fifth cylinder (19) and the guide sleeve (26) are installed on the cylinder bracket (4), one end of the anti-rotation plate (20) is connected with the front end of the piston rod of the fifth cylinder (19), the other end of the anti-rotation plate is provided with the guide post (27), the guide post (27) penetrates through the inner hole of the guide sleeve (26), the upper end of the second sleeve (21) is connected with the front end of the piston rod of the fifth cylinder (19) and is positioned below the anti-rotation plate (20), the second spring (22) is arranged in the second sleeve (21), the upper end of the roller frame (23) is arranged in the second sleeve (21) and is positioned below the second spring (22), the roller frame (23) can move up and down in the second sleeve (21), and the roller (24) is installed on the roller frame (23) through the round pin (25), the roller (24) can rotate freely around the round pin (25); the fifth cylinder (19) can drive the second sleeve (21) to move up and down, and can also drive the guide post (27) to move up and down along the guide sleeve (26); the number of the rollers (24) is at least one.

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