CN219448631U

CN219448631U - Card sender

Info

Publication number: CN219448631U
Application number: CN202320403732.XU
Authority: CN
Inventors: 熊家军; 熊伟; 熊庭乾; 曾俊毅; 曾佳乐
Original assignee: Zhejiang Kayou Technology Co ltd
Current assignee: Zhejiang Kayou Technology Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-08-01
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a card sender, which comprises a rack, wherein a card storage structure and a card sending structure are arranged on the rack; the card storage structure comprises a base and a card bin, wherein the card bin is arranged on the base, the card bin comprises a first side plate and a second side plate which are arranged at intervals, a card-issuing stop block is arranged on the card-issuing side of the card bin, a card-issuing guide edge which extends outwards in an arc shape is arranged at the lower end of the card-issuing stop block, a card-issuing opening is arranged below the card-issuing guide edge, and the card storage structure further comprises a first adjusting structure for adjusting the distance between the first side plate and the second side plate and a second adjusting structure for adjusting the height of the card-issuing stop block; the hairpin structure is including locating conveyer belt and friction wheel in the frame, the friction wheel is located the conveyer belt top and with form hairpin clearance between the conveyer belt, conveyer belt and friction wheel syntropy rotate, the friction wheel is rotated by control structure control intermittent type nature.

Description

Card sender

Technical Field

The utility model relates to the technical field of card issuing equipment, in particular to a card sender.

Background

The automatic card sender can replace manual work to realize card issuing, thereby can improve card sending efficiency greatly, has been widely used in trades such as highway, parking area, training institution, hotel, finance, medical treatment and dining.

The existing automatic card sender has the following two defects:

1. the card dispensing mechanism is capable of dispensing a plurality of cards simultaneously by applying frictional force to the card belt, but the card belt is not satisfactory in that the height of the card dispensing opening is limited to thereby avoid the occurrence of the above-described phenomenon.

2. The card bin can not simultaneously adapt to two kinds of cards with larger size variation, if the card bin is designed to be larger, the card rotation is easy to cause when the card with smaller size is sent out to influence the card sending effect, and if the card bin is designed to be smaller, the card sending purpose of the large-size card can not be met.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to solve the technical problems in the prior art and provides a card sender which can adapt to cards with different sizes and different thicknesses and can effectively prevent two cards from being sent out simultaneously during card sending.

2. Technical proposal

In order to solve the problems, the technical scheme provided by the utility model is as follows:

the card sender comprises a rack, wherein a card storage structure and a card sending structure are arranged on the rack; the card storage structure comprises a base and a card bin, wherein the card bin is arranged on the base, the card bin comprises a first side plate and a second side plate which are arranged at intervals, a card-issuing stop block is arranged on the card-issuing side of the card bin, a card-issuing guide edge which extends outwards in an arc shape is arranged at the lower end of the card-issuing stop block, a card-issuing opening is arranged below the card-issuing guide edge, and the card storage structure further comprises a first adjusting structure for adjusting the distance between the first side plate and the second side plate and a second adjusting structure for adjusting the height of the card-issuing stop block; the hair-clamping structure comprises a conveyor belt and a friction wheel, wherein the conveyor belt and the friction wheel are arranged on the frame, a hair-clamping gap is formed between the friction wheel and the conveyor belt, the conveyor belt and the friction wheel rotate in the same direction, and the friction wheel is controlled to intermittently rotate by the control structure; one end of the conveying belt is positioned at the opening of the lower part of the card bin, and the other end of the conveying belt is positioned outside the card bin and matched with the friction wheel.

Optionally, the first adjustment structure comprises a fixed block; the first adjusting block is fixedly connected to the first side plate; the second adjusting block is fixedly connected to the second side plate; one end of the adjusting screw rod is rotatably connected to the fixed block; at least one guide rod, one end of which is connected to the base and is relatively parallel to the adjusting screw rod; the first adjusting block and the second adjusting block are both connected to the adjusting screw rod and the guide rod at the same time, a first threaded section and a second threaded section which are reversely arranged are respectively arranged at two ends of the adjusting screw rod, the first adjusting block is in threaded connection with the first threaded section, and the second adjusting block is in threaded connection with the second threaded section.

Optionally, the middle part of accommodate the lead screw is equipped with smooth section, smooth section is located between first screw thread section and the second screw thread section, still including the cover locate hairpin dog fixing base on the smooth section of accommodate the lead screw, hairpin dog fixing base connect equally in on the guide bar, hairpin dog adjustable from top to bottom connect in on the hairpin dog fixing base.

Optionally, the hairpin structure still includes and is used for controlling conveyer belt pivoted action wheel, be connected with first transmission shaft on the action wheel, first transmission shaft's one end stretches out to the frame is outside and be connected with the synchronizing wheel, be connected with the second transmission shaft on the friction wheel, the one end of second transmission shaft stretches out to the frame is outside and be connected with the swing arm through one-way bearing, control structure includes the rocker, but one end relative rotation of rocker connect in centrifugal position on the synchronizing wheel, the other end activity of rocker wears to locate on the swing arm.

Optionally, the hairpin structure still includes the connecting seat, the connecting seat is located between frame and the swing arm, the one end of connecting seat is equipped with the permission the through-hole that first transmission shaft passed through, the other end of connecting seat rotate connect in the frame, still including being used for adjusting the adjusting structure of connecting seat turned angle, allow in the frame the hole that first transmission shaft passed through is the bar hole.

Optionally, be equipped with the fixed block in the frame, adjust the structure include threaded connection in adjusting screw on the fixed block, and give the free end upward pulling force's of connecting seat spring, adjusting screw's one end with the up end looks butt of the free end of connecting seat.

Optionally, a fixed side plate is arranged on the frame, and the card storage structure and the card issuing structure are both arranged on the fixed side plate.

Optionally, still be equipped with the extension conveyer belt in the frame, the extension conveyer belt is located the exit end of conveyer belt, the extension conveyer belt includes the band pulley that two at least intervals set up, and tensioning in two at least round area on the band pulley, the band pulley surface is equipped with a plurality of round area fixed slots along its axial direction.

Optionally, a synchronous pulley connected with the pulley of the extension conveyor belt in a coaxial transmission manner is further arranged outside the frame, and the synchronous pulley are connected through a belt in a transmission manner.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

1. the card storage structure of the card sender can adapt to cards of different sizes by adjusting the distance between the first side plate and the second side plate, and can adapt to cards of different thicknesses by adjusting the height of the card sending stop block, so that the situation that the cards rotate or simultaneously send a plurality of cards when the card is sent is effectively prevented, and the card sending effect of the card sender is ensured.

2. The friction force that the top friction pulley of this hairpin machine's hairpin structure produced helps driving two cards separation, avoids two card's the condition simultaneously, moreover the friction pulley is intermittent type nature rotation, and the friction pulley is the time of going out the card at every turn promptly, and the friction pulley all rotates certain angle, can not influence the normal play card of card promptly, can prevent effectively that two cards from adsorbing together again, if the friction pulley keeps rotating for a long time, then the friction force that produces in succession leads to the upper and lower both sides atress excessively uneven of card and damages easily.

Drawings

FIG. 1 is a schematic diagram of a card sender according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a card sender according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a card storing structure in a card sender according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a card issuing structure in a card sender according to an embodiment of the present utility model;

1. a first side plate; 2. a second side plate; 3. a card sending stop block; 4. a card issuing guide edge; 5. a first adjustment block; 6. a second adjustment block; 7. adjusting a screw rod; 8. a guide rod; 9. the card sending stop block fixing seat; 10. an auxiliary fixing block; 11. a hand wheel; 12. a card storage baffle; 13. a card issuing guide seat; 21. a frame; 22. a conveyor belt; 23. a friction wheel; 24. a driving wheel; 25. a first drive shaft; 26. a synchronizing wheel; 27. a second drive shaft; 28. swing arms; 29. a rocker; 30. a sleeve; 31. a connecting seat; 32. a fixed block; 33. adjusting a screw; 34. a spring; 35. extending the conveyor belt; 36. and (5) synchronizing the belt wheels.

Detailed Description

The present utility model will be further described in detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted," "positioned," "secured" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, when one element is considered as being "fixedly connected" to another element, the two elements may be fixed by a detachable connection manner, or may be fixed by a non-detachable connection manner, such as sleeving, clamping, integrally forming, or welding, which may be implemented in the prior art, and thus, the description is not further omitted. When an element is perpendicular or nearly perpendicular to another element, it is meant that the ideal conditions for both are perpendicular, but certain vertical errors may exist due to manufacturing and assembly effects. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" as used herein do not denote a particular quantity or order, but rather are used to distinguish one element from another.

Referring to fig. 1-4, a card sender of the present embodiment includes a rack 21, where a card storing structure and a card sending structure are disposed on the rack 21; the card bin comprises a first side plate 1 and a second side plate 2 which are arranged at intervals, a space for storing cards is reserved between the first side plate 1 and the second side plate 2, a card sending stop block 3 is arranged on the card sending side of the card bin, the card sending side of the card bin is defined by people and can be any side of the card bin, a card sending guide edge 4 which extends outwards in an arc shape is arranged at the lower end of the card sending stop block 3, card sending holes are arranged below the card sending guide edge 4, the card sending guide edge 4 which extends outwards in an arc shape plays a role of guiding cards, the card sending stop block 3 can be used for preventing the cards in the card bin from falling outwards, a first adjusting structure for adjusting the distance between the first side plate 1 and the second side plate 2 and a second adjusting structure for adjusting the height of the card sending stop block 3 are arranged at the lower end of the card sending stop block 3, the card storing structure can adapt to card sending guide edges 4 with different sizes through adjusting the distance between the first side plate 1 and the second side plate 2, the card sending stop block 3 can adapt to different card sending thickness of cards, and the card sending machine can effectively prevent the card sending machine from sending out multiple cards or from rotating simultaneously; the hairpin structure comprises a conveying belt 22 and a friction wheel 23 which are arranged on the stand 21, the friction wheel 23 is arranged above the conveying belt 22 and forms a hairpin gap with the conveying belt 22, the size of the hairpin gap can be adjusted by adjusting the interval between the conveying belt 22 and the friction wheel 23, the conveying belt 22 and the friction wheel 23 rotate in the same direction, the friction wheel 23 is controlled to intermittently rotate by a control structure, as shown in the figure, the conveying belt 22 and the friction wheel 23 rotate clockwise, when the conveying belt 22 below rotates clockwise, friction force is given to the lower end face of a card, when the friction wheel 23 above rotates clockwise, friction force is given to the upper end face of the card, when two cards are adsorbed together, the friction force generated by the friction wheel 23 above is helpful for driving the two cards to separate, so that the situation that two cards are simultaneously discharged is avoided, and the friction wheel 23 rotates in the same direction by a certain angle, namely, when the cards are discharged, the friction wheel 23 can not influence the cards, and the two cards can be prevented from being adsorbed together, and the friction wheels are prevented from being excessively and continuously stressed and damaged if the friction force is not generated; one end of the conveyor belt 22 is positioned at the lower opening of the card bin, and the other end of the conveyor belt is positioned outside the card bin and matched with the friction wheel 23 so as to carry the cards in the card bin out and ensure that only one card is sent out at a time under the action of the friction wheel 23.

As an alternative scheme of the utility model, the first adjusting structure comprises a fixed block fixedly connected to the card sender or the base; the first adjusting block 5 is fixedly connected to the first side plate 2 through a threaded fastener; the second adjusting block 6 is fixedly connected to the second side plate 2 through a threaded fastener, and the first adjusting block 5 and the second adjusting block 6 are horizontally and oppositely arranged; one end of the adjusting screw rod 7 is rotatably connected to the fixed block, and the adjusting screw rod 7 is arranged along the horizontal connecting line direction of the first adjusting block 5 and the second adjusting block 6; at least one guide rod 8, one end of which is connected to the fixed block and is parallel to the adjusting screw rod 7; the first adjusting block 5 and the second adjusting block 6 are both connected to the adjusting screw rod 7 and the guide rod 8 at the same time, that is, the adjusting screw rod 7 and the guide rod 8 penetrate through the first adjusting block 5 and the second adjusting block at the same time, the two ends of the adjusting screw rod 7 are respectively provided with a first threaded section and a second threaded section which are reversely arranged, the first adjusting block 5 is in threaded connection with the first threaded section, the second adjusting block 6 is in threaded connection with the second threaded section, so that the purpose of controlling the distance change between the first adjusting block 5 and the second adjusting block can be achieved by rotating the adjusting screw rod 7, the moving distance between the first adjusting block 5 and the second adjusting block relative to the middle part of the adjusting screw rod 7 is always the same, further, the card issuing mechanism of the card issuing machine is always located at the position between the first side plate 1 and the second side plate 2, the effect is ensured, and if the first side plate 1 and the second side plate 2 are designed to be fixed in one movable mode, the effect can be achieved, and the card issuing mechanism of the card issuing machine can be changed relative to the card issuing mechanism of different sizes, and the effect can be influenced.

As an alternative scheme of the present utility model, a smooth section is provided in the middle of the adjusting screw 7, the smooth section is provided between the first threaded section and the second threaded section, the smooth section is a part between the first threaded section and the second threaded section, which is not provided with threads, and the present utility model further comprises a hairpin stopper fixing seat 9 sleeved on the smooth section of the adjusting screw 7, the adjusting screw 7 can rotate relative to the hairpin stopper fixing seat 9, the hairpin stopper fixing seat 9 is also connected to the guide rod 8, when the adjusting screw 7 rotates to adjust the distance between the first side plate 1 and the second side plate 2, the hairpin stopper fixing seat 9 is always located in the middle of the adjusting screw 7, that is, in the middle position of the first side plate 1 and the second side plate 2, the hairpin stopper 3 is connected to the hairpin stopper fixing seat 9 in an up-down adjustable manner, so as to adjust the height of the hairpin opening, specifically, the hairpin stopper 3 is connected to the hairpin stopper fixing seat 9 through a threaded fastener, and the hairpin stopper 3 is provided with an adjusting waist-shaped groove 3 along the height direction thereof.

As an alternative of the present utility model, one end of the guide rod 8 far away from the fixing block is connected with an auxiliary fixing block 10, the other end of the adjusting screw rod 7 is rotatably connected to the auxiliary fixing block 10 and is connected with a hand wheel 11, and by limiting the two ends of the guide rod 8 and the adjusting screw rod 7, the bending deformation of the adjusting screw rod 7 and the guide rod 8 during adjustment can be effectively prevented from affecting the adjustment effect, and naturally, the rotation of the adjusting screw rod 7 can also be controlled by setting a motor.

As an alternative of the present utility model, at least one card storage baffle 12 is disposed above the card-issuing block 3, where the height of the first side plate 1 and the second side plate 2 is higher, but the height of the card-issuing block 3 is insufficient, at this time, the card storage baffle 12 needs to be disposed, and the card storage baffle 12 is fixedly connected to the card-issuing block 3 or the first side plate 1 or the second side plate 2, if two or three card storage baffles 12 are simultaneously disposed, a plurality of card storage baffles 12 need to be respectively connected to the card-issuing block 3, the first side plate 1 and the second side plate 2, but the same card storage baffle 12 cannot be simultaneously connected to a plurality of components, otherwise, the adjusting effect will be affected.

As an alternative scheme of the utility model, the card bin is obliquely arranged, the lower side of the card bin is a card issuing side, the higher side of the card bin is opened, the opened arrangement is convenient for operators to put cards to be issued into the card bin, and due to the oblique arrangement of the card bin, the cards can be prevented from falling from the opened side of the card bin, the opened side of the card bin is provided with the card issuing guide seat 13, the card issuing guide seat 13 is provided with a guide sliding edge arranged towards the card issuing side of the card bin, so that the cards in the card bin can be guaranteed to be gathered towards the card issuing side of the card bin as much as possible to wait for issuing cards, and on the basis, the card bin further comprises a third adjusting structure for adjusting the distance between the card issuing guide seat 13 and the card bin, wherein the third adjusting structure is a fastener for connecting the card issuing guide seat 13 and the base, and the fixing position of the card issuing guide seat 13 on the base is adjustable, so that cards with different sizes can be better adapted.

As an alternative scheme of the utility model, the card issuing structure further comprises a driving wheel 24 for controlling the rotation of the conveying belt 22, a tensioning wheel is arranged at the other end of the conveying belt 22 and is matched with the driving wheel 24 together to achieve the purpose of controlling the tensioning transmission of the conveying belt 22, a first transmission shaft 25 is connected to the driving wheel 24, the driving wheel 24 and the first transmission shaft 25 are coaxially arranged, one end of the first transmission shaft 25 extends out of the frame 21 and is connected with a synchronous wheel 26, the first transmission shaft 25 and the synchronous wheel 26 are coaxially arranged, the synchronous wheel 26 is positioned outside the frame 21, a second transmission shaft 27 is connected to the friction wheel 23 and the second transmission shaft 27 are coaxially arranged, one end of the second transmission shaft 27 extends out of the frame 21 and is connected with a swing arm 28 through a one-way bearing, the swing arm 28 is positioned outside the frame 21, the control structure comprises a rocker 29, one end of the rocker 29 can relatively rotate to be connected to the centrifugal position on the synchronous wheel 26 and can do circular motion along with the rotation of the synchronous wheel 26, the other end of the rocker 29 movably penetrates through the swing arm 28, a through hole allowing the rocker 29 to pass through is formed in the swing arm 28, or a sleeve 30 matched with the rocker 29 is arranged on the swing arm 28, as shown in the figure, when the swing arm 28 moves upwards under the drive of the rocker 29, the second transmission shaft 27 rotates under the drive of a one-way bearing, when the swing arm 28 moves downwards under the drive of the rocker 29, because of the arrangement of the one-way bearing, the second transmission shaft 27 keeps static until the swing arm 28 rises, so that the linkage effect between the conveyor belt 22 and the friction wheel 23 can be ensured, the friction wheel 23 is guaranteed to rotate when the card is discharged every time, and if two independent control elements are adopted for control, errors are very easy to generate in the long-time use process to influence the card-discharging effect.

As an alternative scheme of the present utility model, the hairpin structure further includes a connection seat 31, the connection seat 31 is disposed between the frame 21 and the swing arm 28, one end of the connection seat 31 is provided with a through hole allowing the first transmission shaft 25 to pass through, the end of the first transmission shaft 25 passes through the through hole on the connection seat 31 and is connected with the swing arm 28, the other end of the connection seat 31 is rotatably connected to the frame 21 through a rotation shaft, the connection seat 31 can rotate around the point, a hole on the frame 21 allowing the first transmission shaft 25 to pass through is a bar-shaped hole, when the angle of the connection seat 31 is adjusted, the first transmission shaft 25 moves in the bar-shaped hole, thereby achieving the purpose of adjusting the distance between the friction wheel 23 and the transmission belt 22, and also includes an adjusting structure for adjusting the rotation angle of the connection seat 31, as shown in the figure, a fixing block 32 is disposed on the frame 21, the fixing block 32 is disposed above the connection seat 31, the adjusting structure includes an adjusting screw 33 screwed on the fixing block 32, the connection seat 31 can rotate around the point, the free end of the connection seat 31 is provided with the free end of the connection seat 31, the free end of the connection seat 33 can be adjusted, and the end of the connection seat 31 can be adjusted by adjusting the tension of the free end of the connection seat 31, and the free end of the connection seat 33 can be adjusted, and the end of the connection seat can be adjusted by adjusting the end of the connection seat 31.

As an alternative of the present utility model, the frame 21 is provided with a fixed side plate, and the card storing structure and the card sending structure are both mounted on the fixed side plate, so that an operator can directly observe the working states of the card storing structure and the card sending structure from the other side, and can conveniently adjust the card storing structure and the card sending structure, and if both sides are simultaneously provided with the fixed side plate, the card storing structure and the card sending structure can be blocked to influence observation and debugging.

As an alternative of the present utility model, the frame 21 is further provided with an extension conveyor belt 35, the extension conveyor belt 35 is disposed at an outlet end of the conveyor belt 22, so as to convey the cards sent from the conveyor belt 22 to a designated position, the extension conveyor belt 35 includes at least two belt pulleys disposed at intervals, and at least two round belts stretched over the belt pulleys, if the distance between the two belt pulleys is longer, an auxiliary belt pulley may be disposed at a position between the two belt pulleys, the belt pulley surface is provided with a plurality of round belt fixing grooves along an axial direction thereof, the round belts are directly sleeved in the round belt fixing grooves of the belt pulley surface and can be stretched and fixed, the plurality of round belt fixing grooves are designed to meet adjustment of different intervals between the round belts, and the round belt is disposed, so that an external photoelectric sensor can directly detect the number of cards passing over the extension conveyor belt 35.

As an alternative of the present utility model, a synchronous pulley 36 connected with the pulley of the extended conveyor belt 35 in a coaxial transmission manner is further disposed outside the frame 21, and the synchronous pulley 36 and the synchronous pulley 26 are connected through a belt transmission manner, so that the pulley, the synchronous pulley 36 and the synchronous path 26 can rotate at a constant speed under the control of the same motor through the above structural design, and the control is more convenient.

As an alternative of the present utility model, two extension conveyors 35 may be disposed at intervals up and down, so as to convey the card by means of gripping and conveying, thereby improving the stability of card issuing.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims

1. A card sender, characterized in that: the card storage device comprises a rack, wherein a card storage structure and a card sending structure are arranged on the rack;

the card storage structure comprises a base and a card bin, wherein the card bin is arranged on the base, the card bin comprises a first side plate and a second side plate which are arranged at intervals, a card-issuing stop block is arranged on the card-issuing side of the card bin, a card-issuing guide edge which extends outwards in an arc shape is arranged at the lower end of the card-issuing stop block, a card-issuing opening is arranged below the card-issuing guide edge, and the card storage structure further comprises a first adjusting structure for adjusting the distance between the first side plate and the second side plate and a second adjusting structure for adjusting the height of the card-issuing stop block;

the hair-clamping structure comprises a conveyor belt and a friction wheel, wherein the conveyor belt and the friction wheel are arranged on the frame, a hair-clamping gap is formed between the friction wheel and the conveyor belt, the conveyor belt and the friction wheel rotate in the same direction, and the friction wheel is controlled to intermittently rotate by the control structure;

one end of the conveying belt is positioned at the opening of the lower part of the card bin, and the other end of the conveying belt is positioned outside the card bin and matched with the friction wheel.

2. The card sender of claim 1, wherein: the first adjusting structure comprises

A fixed block;

the first adjusting block is fixedly connected to the first side plate;

the second adjusting block is fixedly connected to the second side plate;

one end of the adjusting screw rod is rotatably connected to the fixed block;

at least one guide rod, one end of which is connected to the base and is relatively parallel to the adjusting screw rod;

the first adjusting block and the second adjusting block are both connected to the adjusting screw rod and the guide rod at the same time, a first threaded section and a second threaded section which are reversely arranged are respectively arranged at two ends of the adjusting screw rod, the first adjusting block is in threaded connection with the first threaded section, and the second adjusting block is in threaded connection with the second threaded section.

3. A card sender according to claim 2, wherein: the middle part of accommodate the lead screw is equipped with smooth section, smooth section locates between first screw thread section and the second screw thread section, still including the cover locate hairpin dog fixing base on the smooth section of accommodate the lead screw, hairpin dog fixing base connect equally in on the guide bar, hairpin dog adjustable from top to bottom connect in on the hairpin dog fixing base.

4. The card sender of claim 1, wherein: the card issuing structure further comprises a driving wheel used for controlling the rotation of the conveying belt, a first transmission shaft is connected to the driving wheel, one end of the first transmission shaft extends out of the frame and is connected with a synchronous wheel, a second transmission shaft is connected to the friction wheel, one end of the second transmission shaft extends out of the frame and is connected with a swing arm through a one-way bearing, the control structure comprises a rocker, one end of the rocker can be connected to the centrifugal position on the synchronous wheel in a relatively rotating mode, and the other end of the rocker is movably arranged on the swing arm in a penetrating mode.

5. The card sender of claim 4, wherein: the hairpin structure still includes the connecting seat, the connecting seat is located between frame and the swing arm, the one end of connecting seat is equipped with the permission the through-hole that first transmission shaft passed through, the other end of connecting seat rotate connect in the frame, still including being used for adjusting the adjusting structure of connecting seat turned angle, the permission in the frame the hole that first transmission shaft passed through is the bar hole.

6. The card sender of claim 5, wherein: the rack is provided with a fixed block, the adjusting structure comprises an adjusting screw rod which is connected with the fixed block in a threaded mode and a spring which gives upward tension to the free end of the connecting seat, and one end of the adjusting screw rod is abutted to the upper end face of the free end of the connecting seat.

7. A card sender according to any one of claims 1-6, characterized in that: the rack is provided with a fixed side plate, and the card storage structure and the card sending structure are both arranged on the fixed side plate.

8. A card sender according to any one of claims 4-6, characterized in that: the machine frame is also provided with an extension conveyor belt, the extension conveyor belt is arranged at the outlet end of the conveyor belt, the extension conveyor belt comprises at least two belt wheels arranged at intervals, and at least two circular belts tensioned on the belt wheels, and a plurality of circular belt fixing grooves are formed in the surface of the belt wheels along the axial direction of the belt wheels.

9. The card sender of claim 8, wherein: and a synchronous belt wheel in coaxial transmission connection with the belt wheel of the extension conveyor belt is further arranged outside the frame, and the synchronous belt wheel is in transmission connection with the synchronous wheel through a belt.