Line type binding machine capable of improving pitch adjusting precision

Abstract

The utility model discloses a thread type binding machine capable of improving pitch adjusting precision, which is characterized in that a drilling device is provided with a pitch adjusting mechanism, a threading device is provided with a needle pitch adjusting mechanism, and the pitch adjusting mechanism and the needle pitch adjusting mechanism are respectively provided with a bidirectional screw rod, an adjusting driving component, an adjusting detection rotating wheel and a rotating wheel sensing component; a two-way screw rod of the hole pitch adjusting mechanism is rotationally installed on the drilling device, a two-way screw rod of the needle pitch adjusting mechanism is rotationally installed on the threading device, one end of the two-way screw rod is in transmission connection with the adjusting driving assembly, and the other end of the two-way screw rod is fixedly connected with the adjusting detection rotating wheel. The rotating wheel induction assembly is in induction fit with the adjusting detection rotating wheel and electrically connected with the control circuit. And the chip storage box is arranged at the lower part and does not need to lift together, so that the reliability and the stability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of binding machine especially relates to a line type binding machine that improves hole distance adjustment accuracy. BACKGROUND

[0002] The hole distance of the traditional line type binding machine is fixed and cannot be adjusted, and the flexibility is poor and the adaptation range is small. To solve this problem, the prior art uses one or two lead screws as an adjustment mechanism. The drill bit and the threading needle are driven to move horizontally by rotating the lead screw to achieve the purpose of adjusting the hole distance. However, the existing distance adjustment is triggered by controlling the running time of the motor or by a micro switch. It is difficult to accurately adjust the hole distance by controlling the running time of the motor, and errors often occur, which can cause the drill bit and the threading needle to be misaligned. The reliability and stability are poor, and the minimum adjustable distance is large, making it difficult to fine-tune. The use of a micro switch cannot be adjusted steplessly, and can only be adjusted step by step, with low adjustment accuracy. On the other hand, the existing adjustable hole distance line type binding machine has a scrap storage box that is movably installed on the drilling device. The scrap storage box rises and falls with the drilling device. As the amount of paper scraps in the scrap storage box increases, the weight of the scrap storage box also increases, which puts more pressure on the lifting drive device. If the paper scraps accumulate on one side of the scrap storage box, the weight will be uneven, causing the drilling device to vibrate when it rises and falls, which reduces the stability. Therefore, it is necessary to improve it. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model aims to provide a line type binding machine that improves hole distance adjustment accuracy, improves hole distance adjustment accuracy, and places the scrap storage box below without the need to rise and fall together, improving reliability and stability.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a line type binding machine that improves hole distance adjustment accuracy, comprising an upper frame, a lower frame, a binding platform, a drilling device, a threading device, a binding switching device, and a control circuit. The upper frame is fixedly installed on the upper part of the binding platform, the lower frame is fixedly installed on the lower part of the binding platform, the drilling device is arranged on the upper frame, the threading device is arranged on the lower frame, the binding switching device is slidably installed on the binding platform and is in transmission connection with the drilling device, and the control circuit is electrically connected with the drilling device and the threading device,

[0005] The drilling device is provided with a hole distance adjusting mechanism, and the threading device is provided with a needle distance adjusting mechanism; the hole distance adjusting mechanism and the needle distance adjusting mechanism are both provided with a bidirectional screw rod, an adjusting driving assembly, an adjusting detection rotating wheel and a rotating wheel sensing assembly; the bidirectional screw rod of the hole distance adjusting mechanism is rotatably installed on the drilling device, and the bidirectional screw rod of the needle distance adjusting mechanism is rotatably installed on the threading device; one end of the bidirectional screw rod is in transmission connection with the adjusting driving assembly, and the other end is in fixed connection with the adjusting detection rotating wheel; the rotating wheel sensing assembly is arranged beside the adjusting detection rotating wheel; the rotating wheel sensing assembly is in sensing cooperation with the adjusting detection rotating wheel; and the rotating wheel sensing assembly is in electrical connection with the control circuit.

[0006] The drilling device is provided with at least two movable drill bit sliding blocks, each movable drill bit sliding block is provided with a drill bit at the lower part, and the two movable drill bit sliding blocks are slidably installed on the drilling device along the transverse direction and are in threaded connection with the bidirectional screw rods of the hole distance adjusting mechanism respectively; the two movable drill bit sliding blocks are in approaching and moving away motion,

[0007] The threading device is provided with at least two movable needle sliding blocks, each movable needle sliding block is provided with a threading needle at the upper part, and the two movable needle sliding blocks are slidably installed on the threading device along the transverse direction and are in threaded connection with the bidirectional screw rods of the needle distance adjusting mechanism respectively; the two movable needle sliding blocks are in approaching and moving away motion, each movable drill bit sliding block and the corresponding movable needle sliding block move synchronously, and each drill bit is arranged in vertical alignment with the corresponding threading needle.

[0008] In a further technical scheme, the rotating wheel sensing assembly is a Hall sensing element, the Hall sensing element is in electrical connection with the control circuit, the adjusting detection rotating wheel is a magnetic ring, the magnetic ring is provided with at least two magnetic poles along the circumferential direction, and the Hall sensing element is in Hall sensing cooperation with the magnetic ring.

[0009] In a further technical scheme, the rotating wheel sensing assembly is an infrared sensing element, the infrared sensing element is in electrical connection with the control circuit, the infrared sensing element is provided with an infrared emitting end and an infrared receiving end, the adjusting detection rotating wheel is arranged between the infrared emitting end and the infrared receiving end, and the adjusting detection rotating wheel is provided with at least one detection perforation for passing through infrared rays.

[0010] In a further technical scheme, the rotating wheel sensing assembly is a micro switch or a proximity sensor, the control circuit is in electrical connection with the micro switch or the proximity sensor, the outer edge of the adjusting detection rotating wheel is provided with at least one trigger protrusion, and the trigger protrusion is in abutting cooperation with the micro switch or in triggering cooperation with the proximity sensor.

[0011] Further technical solutions, the drilling device is also provided with a chip removal mechanism, the chip removal mechanism includes a strip-shaped chip removal box, a chip receiving transmission belt and a chip receiving driving motor, the strip-shaped chip removal box is fixedly installed in the drilling device along the transverse direction, an upper portion of the strip-shaped chip removal box is provided with a chip inlet, the chip inlet penetrates two movable drill bit sliding blocks along the transverse direction, the movable drill bit sliding block is provided with a chip outlet, the chip outlet is located above the chip inlet, the chip receiving transmission belt is arranged in the strip-shaped chip removal box, the chip receiving driving motor is in transmission connection with the chip receiving transmission belt, the chip receiving driving motor is in electrical connection with the control circuit, one end of the strip-shaped chip removal box is provided with a chip removal port, an upper portion of the chip receiving transmission belt moves towards the chip removal port, the lower frame is movably provided with a chip storage box, the chip storage box and the chip removal port are in communication through a chip removal channel.

[0012] When the two bidirectional screws rotate one circle, each movable drill bit sliding block and each movable needle sliding block simultaneously move 1-10 mm along the transverse direction.

[0013] Further technical solutions, the front and rear sides of the chip receiving transmission belt are respectively in abutting connection with the inner side walls of the strip-shaped chip removal box, a plurality of chip removing convex strips are arranged on the outer surface of the chip receiving transmission belt at intervals, and the chip removing convex strips penetrate the chip receiving transmission belt along the longitudinal direction.

[0014] Further technical solutions, the chip removal port is connected with a chip guide funnel, a chip guide port is formed in one side of the binding platform, the chip storage box is located below the chip guide port, the lower portion of the chip guide funnel is arranged towards the chip guide port, and the chip guide funnel and the chip guide port form the chip removal channel.

[0015] Further technical solutions, the drilling device includes a drilling sliding seat, a drilling lifting driving mechanism, a paper pressing mechanism and at least two drilling guide columns, each drilling guide column is vertically installed on the upper frame, the drilling sliding seat is slidably installed on each drilling guide column, the drilling lifting driving mechanism is fixedly installed on the upper frame and in transmission connection with the drilling sliding seat, the control circuit is in electrical connection with the drilling lifting driving mechanism, the paper pressing mechanism is arranged between the drilling sliding seat and the binding platform, the drilling sliding seat is provided with at least one drilling adjustment guide rod along the transverse direction, the two movable drill bit sliding blocks are slidably installed on the drilling adjustment guide rod, the rotating wheel sensing assembly of the hole distance adjustment mechanism is fixedly installed on the drilling sliding seat, the bidirectional screw of the hole distance adjustment mechanism is rotatably installed on the drilling sliding seat and is arranged in parallel with the drilling adjustment guide rod,

[0016] The threading device comprises a threading slide, a threading lifting driving mechanism and at least two threading guide columns, each threading guide column is vertically installed on the lower frame, the threading slide is installed on each threading guide column in a sliding manner, the threading lifting driving mechanism is fixedly installed on the lower frame and is in transmission connection with the threading slide, the control circuit is in electrical connection with the threading lifting driving mechanism, the threading slide is provided with at least one threading adjustment guide rod in the transverse direction, two movable needle sliding blocks are slidably installed on the threading adjustment guide rod, a rotating wheel sensing assembly of the needle distance adjustment mechanism is fixedly installed on the threading slide, a bidirectional screw rod of the needle distance adjustment mechanism is rotatably installed on the threading slide and is arranged in parallel with the threading adjustment guide rod,

[0017] The adjusting driving assembly comprises an adjusting driving motor and a shaft coupling, one end of the shaft coupling is fixedly installed on the main shaft of the adjusting driving motor, the other end is fixedly connected with the bidirectional screw rod, the adjusting driving motor of the hole distance adjustment mechanism is fixedly installed on the drilling slide, the adjusting driving motor of the needle distance adjustment mechanism is fixedly installed on the threading slide, and the adjusting driving motor is in electrical connection with the control circuit.

[0018] In a further technical solution, the middle part of the drilling adjustment guide rod is fixedly installed with a fixed drill slide block, two movable drill slide blocks are respectively located on the left and right sides of the fixed drill slide block, the bidirectional screw rod of the hole distance adjustment mechanism penetrates through the fixed drill slide block in the transverse direction, the lower part of the fixed drill slide block is provided with a drilling knife, the upper parts of the fixed drill slide block and the two movable drill slide blocks are respectively provided with a drilling motor, each drilling motor is in transmission connection with the corresponding drilling knife, and each drilling motor is in electrical connection with the control circuit,

[0019] The middle part of the threading adjustment guide rod is fixedly installed with a fixed needle slide block, two movable needle slide blocks are respectively located on the left and right sides of the fixed needle slide block, the bidirectional screw rod of the needle distance adjustment mechanism penetrates through the fixed needle slide block in the transverse direction, and the upper part of the fixed needle slide block is provided with a threading needle.

[0020] In a further technical solution, the binding switching device comprises a binding slide plate, a connecting rope body, a driving flap and a reset tension spring, the binding slide plate is slidably installed on the binding platform in front and back directions, the middle part of the driving flap is hingedly connected to the upper part of the upper frame, one end of the driving flap is in abutting connection with the drilling slide, the other end is fixedly connected with the upper end of the connecting rope body, the lower end of the connecting rope body is fixedly connected with the binding slide plate, the reset tension spring is arranged between the binding slide plate and the binding platform, and the binding slide plate is provided with three conductive rubber pads in the transverse direction at intervals;

[0021] The paper pressing mechanism comprises a paper pressing driving assembly, a paper pressing plate and at least two paper pressing guide columns, the two paper pressing guide columns are vertically installed on the upper frame, the paper pressing plate is slidably installed on the two paper pressing guide columns, the paper pressing driving assembly is in transmission connection with the paper pressing plate, the paper pressing driving assembly is in electrical connection with the control circuit, the lower part of the paper pressing plate is provided with three strip-shaped knife passing grooves, the three strip-shaped knife passing grooves are arranged in the transverse direction, the binding platform is further provided with a limiting stop, and the lower part of the corresponding paper pressing plate is provided with a stop passing groove.

[0022] Compared with the prior art, the utility model has the advantages that the rotating number of the rotating wheel is sensed and adjusted by the rotating wheel sensing assembly, the driving assembly is started and stopped for controlling and adjusting, the moving distance of the movable drill bit sliding block and the movable needle sliding block is accurately controlled, the hole distance adjusting precision is improved, the paper scraps are continuously transported to the scrap discharging port by the scrap discharging transmission belt, the paper scraps are discharged into the scrap storage box on the lower frame, the pressure of the drilling lifting driving mechanism is reduced, and the reliability and stability are improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model is further described below in combination with the drawings and examples.

[0024] Figure 1 It is the structural schematic diagram of the embodiment one of the utility model;

[0025] Figure 2 It is the structural schematic diagram of the back of the embodiment one of the utility model; Figure 1 It is the enlarged view of A of the embodiment one of the utility model;

[0026] Figure 3 It is the structural schematic diagram of the back of the embodiment one of the utility model;

[0027] Figure 4 It is the exploded view of the movable drill bit sliding block, the fixed drill bit sliding block, the hole distance adjusting mechanism and the scrap discharging mechanism of the embodiment one of the utility model;

[0028] Figure 5 It is the sectional view of the movable drill bit sliding block and the scrap discharging mechanism of the embodiment one of the utility model;

[0029] Figure 6 It is the structural schematic diagram of the adjusting detection rotating wheel and the rotating wheel sensing assembly of the embodiment two of the utility model;

[0030] Figure 7 It is the structural schematic diagram of the adjusting detection rotating wheel and the rotating wheel sensing assembly of the embodiment three of the utility model.

[0031] In the drawings:

[0032] 11 upper frame, 12 lower frame, 13 binding platform, 131 scrap guide port, 132 limiting stop;

[0033] 2 drilling device, 21 movable drilling slide block, 211 chip outlet, 22 fixed drilling slide block, 23 drilling cutter, 24 drilling slide base, 25 drilling lifting driving mechanism, 26 drilling guide column, 27 drilling adjusting guide rod, 281 paper pressing driving assembly, 282 paper pressing plate, 283 cutter slot, 284 stopper slot, 29 drilling motor;

[0034] 3 threading device, 31 movable threading needle slide block, 32 fixed threading needle slide block, 33 threading needle, 34 threading slide base, 35 threading lifting driving mechanism, 36 threading guide column, 37 threading adjusting guide rod;

[0035] 41 binding slide plate, 42 connecting rope body, 43 driving flap, 44 conductive rubber pad;

[0036] 5 bidirectional screw rod;

[0037] 6 adjusting driving assembly, 61 adjusting driving motor, 62 coupling;

[0038] 7 adjusting detection rotating wheel, 71 detection perforation, 72 trigger convex part;

[0039] 81 Hall induction element, 82 infrared induction element, 821 infrared emission end, 822 infrared receiving end, 83 proximity sensor;

[0040] 9 chip removal mechanism, 91 strip-shaped chip removal box, 911 chip inlet, 912 chip guide funnel, 92 chip receiving driving belt, 921 chip pushing convex strip, 93 chip receiving driving motor, 94 chip storage box. DETAILED DESCRIPTION

[0041] The following is only a preferred embodiment of the present application, and does not limit the protection scope of the present application.

[0042] Embodiment one

[0043] A line type binding machine for improving hole distance adjusting precision, like Figures 1 to 5As shown, including the upper shelf 11, lower shelf 12, binding platform 13, drilling device 2, threading device 3, binding switching device and control circuit, the upper shelf 11 is fixedly installed on the upper part of the binding platform 13, the lower shelf 12 is fixedly installed on the lower part of the binding platform 13, the drilling device 2 is arranged on the upper shelf 11, the threading device 3 is arranged on the lower shelf 12, the binding switching device is slidably installed on the binding platform 13 and is in transmission connection with the drilling device 2, the control circuit is in electrical connection with the drilling device 2 and the threading device 3 respectively, the drilling device 2 is provided with a hole distance adjusting mechanism, the threading device 3 is provided with a needle distance adjusting mechanism, the hole distance adjusting mechanism and the needle distance adjusting mechanism are both provided with a bidirectional screw rod 5, an adjusting driving assembly 6, an adjusting detection rotating wheel 7 and a rotating wheel sensing assembly, the bidirectional screw rod 5 of the hole distance adjusting mechanism is rotatably installed on the drilling device 2, the bidirectional screw rod 5 of the needle distance adjusting mechanism is rotatably installed on the threading device 3, one end of the bidirectional screw rod 5 is in transmission connection with the adjusting driving assembly 6, the other end is fixedly connected with the adjusting detection rotating wheel 7, the rotating wheel sensing assembly is arranged on the side of the adjusting detection rotating wheel 7, the rotating wheel sensing assembly is in sensing cooperation with the adjusting detection rotating wheel 7, and the rotating wheel sensing assembly is in electrical connection with the control circuit; the drilling device 2 is provided with at least two movable drill bit sliding blocks 21, the lower part of each movable drill bit sliding block 21 is provided with a drill bit 23, the two movable drill bit sliding blocks 21 are slidably installed on the drilling device 2 in the transverse direction and are in threaded connection with the bidirectional screw rod 5 of the hole distance adjusting mechanism respectively, the two movable drill bit sliding blocks 21 are in close and away movement, the threading device 3 is provided with at least two movable needle sliding blocks 31, the upper part of each movable needle sliding block 31 is provided with a threading needle 33, the two movable needle sliding blocks 31 are slidably installed on the threading device 3 in the transverse direction and are in threaded connection with the bidirectional screw rod 5 of the needle distance adjusting mechanism respectively, the two movable needle sliding blocks 31 are in close and away movement, each movable drill bit sliding block 21 and the corresponding movable needle sliding block 31 move synchronously, and each drill bit 23 is arranged in vertical alignment with the corresponding threading needle 33. The traditional wire binding machine capable of adjusting the hole distance is adjusted manually or by controlling the running time of the motor, the adjustment precision is low, the minimum adjustable distance is large, and it is difficult to adjust the small distance, and the rotating number of the rotating wheel sensing assembly is sensed by the rotating wheel sensing assembly, so that the adjusting driving assembly 6 is started and stopped, the moving distance of the movable drill bit sliding block 21 and the movable needle sliding block 31 is accurately controlled, and the hole distance adjusting precision is improved.

[0044] Specifically, the rotating wheel sensing assembly is a Hall sensing element 81, the Hall sensing element 81 is in electrical connection with the control circuit, the adjusting detection rotating wheel 7 is a magnetic ring, the magnetic ring is provided with at least two magnetic poles in the circumferential direction, and the Hall sensing element 81 is in Hall sensing cooperation with the magnetic ring. The magnetic poles of the magnetic ring are sensed by the Hall sensing element 81, which can not only accurately sense the rotating number of the adjusting detection rotating wheel 7, but also sense the rotating angle of the adjusting detection rotating wheel 7, thereby further improving the control precision of the hole distance adjustment and reducing the minimum adjustable distance.

[0045] Specifically, the drilling device 2 is further provided with a chip removal mechanism 9, the chip removal mechanism 9 comprises a strip-shaped chip removal box 91, a chip receiving transmission belt 92 and a chip receiving driving motor 93, the strip-shaped chip removal box 91 is fixedly installed on the drilling device 2 along the transverse direction, an upper portion of the strip-shaped chip removal box 91 is provided with an inlet opening 911 penetrating through the two movable drill bit sliding blocks 21 along the transverse direction, the movable drill bit sliding blocks 21 are provided with outlet openings 211 located above the inlet opening 911, the chip receiving transmission belt 92 is arranged in the strip-shaped chip removal box 91, the chip receiving driving motor 93 is in transmission connection with the chip receiving transmission belt 92, the chip receiving driving motor 93 is in electrical connection with the control circuit, one end of the strip-shaped chip removal box 91 is provided with a chip removal opening, an upper portion of the chip receiving transmission belt 92 moves towards the chip removal opening, the lower frame 12 movably installs a chip storage box 94, the chip storage box 94 is in communication with the chip removal opening through a chip removal channel; when the two bidirectional lead screws 5 rotate one circle, each movable drill bit sliding block 21 and each movable needle sliding block 31 simultaneously move 1-10 mm along the transverse direction. The paper scraps discharged by the chip receiving transmission belt 92 are continuously transported to the chip removal opening, so that the paper scraps are discharged into the chip storage box 94 located on the lower frame 12, the pressure of the drilling lifting driving mechanism is reduced, and the reliability and stability are improved. The rotation number of the detection rotating wheel 7 is detected by the rotating wheel sensing assembly to adjust the hole distance, without the need to sense and adjust the rotation angle of the detection rotating wheel 7, the sensing precision requirement of the rotating wheel sensing assembly is reduced, and the cost is reduced.

[0046] Specifically, the front and back sides of the chip receiving transmission belt 92 are respectively in abutting fit with the inner side walls of the strip-shaped chip removal box 91, a plurality of scrap removing convex strips 921 are arranged on the outer surface of the chip receiving transmission belt 92 in a spaced manner, and the scrap removing convex strips 921 penetrate through the chip receiving transmission belt 92 along the longitudinal direction. When continuous drilling is performed, the paper scraps enter the drill bit 23, are discharged from the drill bit 23 into the movable needle sliding block 31, and fall from the outlet opening to the upper surface of the chip receiving transmission belt 92 in the strip-shaped chip removal box 91. The chip receiving driving motor 93 drives the chip receiving transmission belt 92 to operate, the chip receiving transmission belt 92 transports the paper scraps towards the chip removal opening, the scrap removing convex strips 921 can block and push the paper scraps, so that the paper scraps are prevented from being stuck between the chip receiving transmission belt 92 and the strip-shaped chip removal box 91, and the paper scraps are prevented from being accumulated.

[0047] Specifically, the chip removal opening is connected with a chip guide funnel 912, one side of the binding platform 13 is provided with a chip guide opening 131, the chip storage box 94 is located below the chip guide opening 131, a lower portion of the chip guide funnel 912 is arranged towards the chip guide opening 131, and the chip guide funnel 912 and the chip guide opening 131 form a chip removal channel. Since the binding object needs to be inserted between the strip-shaped chip removal box 91 and the binding platform 13, the paper scraps are guided to the rear portion through the chip guide funnel 912, so that the paper scraps pass through the binding platform 13 through the chip guide opening 131 and fall into the chip storage box 94, the structure is simple, and the cost is low.

[0048] Specifically, the drilling device 2 comprises a drilling slide 24, a drilling lifting driving mechanism 25, a paper pressing mechanism and at least two drilling guide columns 26, each drilling guide column 26 is vertically installed on the upper frame 11, the drilling slide 24 is slidably installed on each drilling guide column 26, the drilling lifting driving mechanism 25 is fixedly installed on the upper frame 11 and is in transmission connection with the drilling slide 24, the control circuit is in electrical connection with the drilling lifting driving mechanism 25, the paper pressing mechanism is arranged between the drilling slide 24 and the binding platform 13, the drilling slide 24 is provided with two drilling adjustment guide rods 27 in the transverse direction, two movable drill bit sliding blocks 21 are slidably installed on the drilling adjustment guide rods 27, a rotating wheel sensing assembly of the hole distance adjusting mechanism is fixedly installed on the drilling slide 24, a bidirectional screw rod 5 of the hole distance adjusting mechanism is rotatably installed on the drilling slide 24 and is arranged in parallel with the drilling adjustment guide rods 27, the two drilling adjustment guide rods 27 can ensure the stability of the movement of the movable drill bit sliding blocks 21, and prevent skewing and shaking, and the drilling lifting driving mechanism 25 adopts a driving structure of a motor and a gear rack.

[0049] The threading device 3 comprises a threading slide 34, a threading lifting driving mechanism 35 and at least two threading guide columns 36, each threading guide column 36 is vertically installed on the lower frame 12, the threading slide 34 is slidably installed on each threading guide column 36, the threading lifting driving mechanism 35 is fixedly installed on the lower frame 12 and is in transmission connection with the threading slide 34, the control circuit is in electrical connection with the threading lifting driving mechanism 35, the threading slide 34 is provided with two threading adjustment guide rods 37 in the transverse direction, two movable needle sliding blocks 31 are slidably installed on the threading adjustment guide rods 37, a rotating wheel sensing assembly of the needle distance adjusting mechanism is fixedly installed on the threading slide 34, a bidirectional screw rod 5 of the needle distance adjusting mechanism is rotatably installed on the threading slide 34 and is arranged in parallel with the threading adjustment guide rods 37, the two threading adjustment guide rods 37 can improve the stability of the movement of the movable needle sliding blocks 31, and prevent skewing and shaking, and the threading lifting driving mechanism 35 adopts a driving structure of a motor and a gear rack.

[0050] The adjusting driving assembly 6 comprises an adjusting driving motor 61 and a shaft coupling 62, one end of the shaft coupling 62 is fixedly installed on a main shaft of the adjusting driving motor 61, the other end is fixedly connected with the bidirectional screw rod 5, the adjusting driving motor 61 of the hole distance adjusting mechanism is fixedly installed on the drilling slide 24, the adjusting driving motor 61 of the needle distance adjusting mechanism is fixedly installed on the threading slide 34, and the adjusting driving motor 61 is in electrical connection with the control circuit. The adjusting driving motor 61 is connected with the bidirectional screw rod 5 through the shaft coupling 62, which is simple in structure and low in cost.

[0051] Specifically, the middle part of the drilling adjusting guide rod 27 is fixedly provided with a fixed drilling cutter sliding block 22, two movable drilling cutter sliding blocks 21 are respectively located on the left and right sides of the fixed drilling cutter sliding block 22, the two-way screw rod 5 of the hole distance adjusting mechanism transversely penetrates the fixed drilling cutter sliding block 22, the lower part of the fixed drilling cutter sliding block 22 is provided with a drilling cutter 23, the upper parts of the fixed drilling cutter sliding block 22 and the two movable drilling cutter sliding blocks 21 are respectively provided with a drilling motor 29, each drilling motor 29 is in driving connection with the corresponding drilling cutter 23, each drilling motor 29 is in electrical connection with the control circuit, the middle part of the threading adjusting guide rod 37 is fixedly provided with a fixed threading needle sliding block 32, two movable threading needle sliding blocks 31 are respectively located on the left and right sides of the fixed threading needle sliding block 32, the two-way screw rod 5 of the needle distance adjusting mechanism transversely penetrates the fixed threading needle sliding block 32, and the upper part of the fixed threading needle sliding block 32 is provided with a threading needle 33. Through the arrangement of the fixed drilling cutter sliding block 22 and the fixed drilling cutter sliding block 22, the line type binding machine is a three-hole line type binding machine, the middle binding hole is fixed, and only the two side binding holes need to be adjusted. When double-hole binding is required, one of the two side binding holes can be avoided, the structure is simple, the cost is low, and the three-hole and two-hole binding can be conveniently performed.

[0052] Specifically, the binding switching device comprises a binding sliding plate 41, a connecting rope body 42, a driving flap 43 and a reset tension spring. The binding sliding plate 41 is slidingly arranged on the binding platform 13, the middle part of the driving flap 43 is hingedly connected to the upper part of the upper frame 11, one end of the driving flap 43 is in abutting connection with the drilling sliding seat 24, the other end is fixedly connected with the upper end of the connecting rope body 42, the lower end of the connecting rope body 42 is fixedly connected with the binding sliding plate 41, the reset tension spring is arranged between the binding sliding plate 41 and the binding platform 13, and the binding sliding plate 41 is spaced apart in the transverse direction and provided with three conductive rubber pads 44. When drilling, the drilling sliding seat 24 moves downward, the connecting rope body 42 is in a relaxed state, the binding sliding plate 41 moves forward under the action of the reset tension spring, so that each conductive rubber pad 44 is located directly below each drilling cutter 23, when the drilling cutter 23 touches the conductive rubber pad 44, the drilling sliding seat 24 is automatically driven to move upward, the drilling sliding seat 24 moves upward and abuts against the driving flap 43, the driving flap 43 pulls the connecting rope body 42, so that the binding sliding plate 41 moves backward to avoid the threading needle 33, and threading is facilitated. The binding switching device does not need to be driven by an additional independent driving mechanism, the structure is simple, and the cost is low.

[0053] The paper pressing mechanism comprises a paper pressing driving assembly 281, a paper pressing plate 282 and at least two paper pressing guide columns, the two paper pressing guide columns are vertically installed on the upper frame 11, the paper pressing plate 282 is slidingly installed on the two paper pressing guide columns, the paper pressing driving assembly 281 is in transmission connection with the paper pressing plate 282, the paper pressing driving assembly 281 is in electrical connection with the control circuit, the lower part of the paper pressing plate 282 is provided with three strip-shaped knife passing grooves 283, the three strip-shaped knife passing grooves 283 are arranged in the transverse direction, the binding platform 13 is further provided with a limiting stop 132, and the lower part of the corresponding paper pressing plate 282 is provided with a stop passing groove 284. The paper pressing driving assembly 281 adopts a motor and a gear rack, the paper pressing plate 282 is independently driven to ascend and descend by the paper pressing driving assembly 281, so that the paper pressing force of the paper pressing plate 282 is improved, the paper pressing time is conveniently adjusted, independent paper pressing is realized, the strip-shaped knife passing grooves 283 are used for avoiding the respective drilling knives 23, and the stop passing groove 284 is used for avoiding the limiting stop 132, so that the binding article is limited in the longitudinal direction by the limiting stop 132, and positioning is facilitated.

[0054] Embodiment two

[0055] The embodiment provides a line binding machine capable of improving hole distance adjustment precision, as shown in the figure. Figure 6 The line binding machine in the embodiment is basically same as the line binding machine in the first embodiment, except that the rotating wheel sensing assembly in the embodiment is an infrared sensing element 82, the infrared sensing element 82 is in electrical connection with the control circuit, the infrared sensing element 82 is provided with an infrared emitting end 821 and an infrared receiving end 822, the adjustment detection rotating wheel 7 is arranged between the infrared emitting end 821 and the infrared receiving end 822, and the adjustment detection rotating wheel 7 is provided with a detection perforation 71 for passing infrared rays. The infrared sensing element 82 is used for sensing the adjustment detection rotating wheel 7, the infrared emitting end 821 emits infrared rays, with the rotation of the adjustment detection rotating wheel 7, the infrared rays are irradiated on the infrared receiving end 822 when passing through the detection perforation 71, so that one rotation is determined, the structure is simple, and the cost is low; preferably, a plurality of detection perforations 71 are arranged on the adjustment detection rotating wheel 7 in the circumferential direction, so that the rotation angle of the adjustment detection rotating wheel 7 can be calculated, and the hole distance adjustment precision is further improved.

[0056] Embodiment three

[0057] The embodiment provides a line binding machine capable of improving hole distance adjustment precision, as shown in the figure. Figure 7As shown, the structure of the thread binding machine in this embodiment is basically the same as that in Embodiment 1. The difference is that the rotating wheel sensing component in this embodiment is a micro switch or a proximity sensor 83. The control circuit is electrically connected to the micro switch or proximity sensor 83. A trigger protrusion 72 is provided on the outer edge of the adjusting detection wheel 7. The trigger protrusion 72 abuts against the micro switch or triggers the proximity sensor 83. The number of rotations of the adjusting detection wheel 7 is calculated by the micro switch touching the trigger protrusion 72 or by the proximity sensor 83 sensing the trigger protrusion 72. The structure is simple and the cost is low. Preferably, multiple trigger protrusions 72 are provided at intervals along the circumferential direction on the outer edge of the adjusting detection wheel 7 to calculate the rotation angle of the adjusting detection wheel 7, thereby further improving the hole spacing adjustment accuracy.

[0058] It is important to understand that the terms "front," "back," "left," and "right," etc., indicate directions or positional relationships based on... Figure 1 The orientations or positional relationships shown, with "longitudinal" along the front-back direction and "lateral" along the left-right direction, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0059] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A line spacing adjustment precision improved thread binding machine, comprising an upper frame (11), a lower frame (12), a binding platform (13), a drilling device (2), a threading device (3), a binding switching device and a control circuit, the upper frame (11) is fixedly installed on the upper part of the binding platform (13), the lower frame (12) is fixedly installed on the lower part of the binding platform (13), the drilling device (2) is arranged on the upper frame (11), the threading device (3) is arranged on the lower frame (12), the binding switching device is slidingly installed on the binding platform (13) and is in transmission connection with the drilling device (2), and the control circuit is in electrical connection with the drilling device (2) and the threading device (3), characterized in that: the drilling device (2) is provided with a hole spacing adjustment mechanism, the threading device (3) is provided with a needle spacing adjustment mechanism, the hole spacing adjustment mechanism and the needle spacing adjustment mechanism are both provided with a bidirectional screw rod (5), an adjustment driving assembly (6), an adjustment detection rotating wheel (7) and a rotating wheel sensing assembly, the bidirectional screw rod (5) of the hole spacing adjustment mechanism is rotatably installed on the drilling device (2), the bidirectional screw rod (5) of the needle spacing adjustment mechanism is rotatably installed on the threading device (3), one end of the bidirectional screw rod (5) is in transmission connection with the adjustment driving assembly (6), the other end is fixedly connected with the adjustment detection rotating wheel (7), the rotating wheel sensing assembly is arranged on the side of the adjustment detection rotating wheel (7), the rotating wheel sensing assembly is in sensing cooperation with the adjustment detection rotating wheel (7), and the rotating wheel sensing assembly is in electrical connection with the control circuit; the drilling device (2) is provided with at least two movable drill bit sliding blocks (21), the lower part of each movable drill bit sliding block (21) is provided with a drill bit (23), the two movable drill bit sliding blocks (21) are slidingly installed on the drilling device (2) along the transverse direction and are respectively in threaded connection with the bidirectional screw rod (5) of the hole spacing adjustment mechanism, and the two movable drill bit sliding blocks (21) are in approaching and moving away motion, the threading device (3) is provided with at least two movable needle sliding blocks (31), the upper part of each movable needle sliding block (31) is provided with a threading needle (33), the two movable needle sliding blocks (31) are slidingly installed on the threading device (3) along the transverse direction and are respectively in threaded connection with the bidirectional screw rod (5) of the needle spacing adjustment mechanism, and the two movable needle sliding blocks (31) are in approaching and moving away motion, each movable drill bit sliding block (21) and the corresponding movable needle sliding block (31) move synchronously, and each drill bit (23) is arranged in vertical alignment with the corresponding threading needle (33).

2. The line binding machine of claim 1, wherein: The rotating wheel sensing assembly is a Hall sensing element (81), the Hall sensing element (81) is in electrical connection with the control circuit, the adjustment detection rotating wheel (7) is a magnetic ring, the magnetic ring is provided with at least two magnetic poles in the circumferential direction, and the Hall sensing element (81) is in Hall sensing cooperation with the magnetic ring.

3. The line binding machine of claim 1, wherein: The rotating wheel sensing assembly is an infrared sensing element (82), the infrared sensing element (82) is electrically connected with the control circuit, the infrared sensing element (82) is provided with an infrared emitting end (821) and an infrared receiving end (822), the adjusting and detecting rotating wheel (7) is arranged between the infrared emitting end (821) and the infrared receiving end (822), and the adjusting and detecting rotating wheel (7) is provided with at least one detection perforation (71) for passing through infrared rays.

4. The line binding machine of claim 1, wherein: The rotating wheel sensing assembly is a micro switch or a proximity sensor (83), the control circuit is electrically connected with the micro switch or the proximity sensor (83), and the outer edge of the adjusting and detecting rotating wheel (7) is provided with at least one triggering convex part (72) which is abuttingly matched with the micro switch or is triggeringly matched with the proximity sensor (83).

5. A linear stapler with improved accuracy of hole spacing adjustment according to any one of claims 1 to 4, characterized in that: The drilling device (2) is further provided with a chip removal mechanism (9), the chip removal mechanism (9) comprises a strip-shaped chip removal box (91), a chip receiving transmission belt (92) and a chip receiving driving motor (93), the strip-shaped chip removal box (91) is fixedly installed in the drilling device (2) along the transverse direction, the upper portion of the strip-shaped chip removal box (91) is provided with a chip inlet (911), the chip inlet (911) penetrates through two movable drill bit sliding blocks (21) along the transverse direction, the movable drill bit sliding block (21) is provided with a chip outlet (211), the chip outlet (211) is located above the chip inlet (911), the chip receiving transmission belt (92) is arranged in the strip-shaped chip removal box (91), the chip receiving driving motor (93) is in transmission connection with the chip receiving transmission belt (92), the chip receiving driving motor (93) is electrically connected with the control circuit, one end of the strip-shaped chip removal box (91) is provided with a chip removal port, the upper portion of the chip receiving transmission belt (92) moves towards the chip removal port, the lower frame (12) movably installs a chip storage box (94), the chip storage box (94) is in communication with the chip removal port through a chip removal channel; When the two bidirectional lead screws (5) rotate one circle, each movable drill bit sliding block (21) and each movable needle sliding block (31) simultaneously move 1-10 mm along the transverse direction.

6. A linear stapler with improved accuracy of hole spacing adjustment according to claim 5, characterized in that: The front and rear sides of the chip receiving transmission belt (92) are respectively abuttingly matched with the inner side walls of the strip-shaped chip removal box (91), the outer surface of the chip receiving transmission belt (92) is provided with a plurality of chip pushing convex strips (921) at intervals, and the chip pushing convex strips (921) penetrate through the chip receiving transmission belt (92) along the longitudinal direction.

7. The line binding machine of claim 5, wherein: The chip removal port is connected with a chip guide funnel (912), one side of the binding platform (13) is provided with a chip guide port (131), the chip storage box (94) is located below the chip guide port (131), the lower portion of the chip guide funnel (912) is arranged towards the chip guide port (131), and the chip guide funnel (912) and the chip guide port (131) form the chip removal channel.

8. The line binding machine of claim 5, wherein: The drilling device (2) comprises a drilling slide (24), a drilling lifting driving mechanism (25), a paper pressing mechanism and at least two drilling guide columns (26), each drilling guide column (26) is vertically installed on the upper frame (11), the drilling slide (24) is slidably installed on each drilling guide column (26), the drilling lifting driving mechanism (25) is fixedly installed on the upper frame (11) and is in transmission connection with the drilling slide (24), the control circuit is in electrical connection with the drilling lifting driving mechanism (25), the paper pressing mechanism is arranged between the drilling slide (24) and the binding platform (13), the drilling slide (24) is provided with at least one drilling adjustment guide rod (27) in the transverse direction, the two movable drill bit sliding blocks (21) are slidably installed on the drilling adjustment guide rod (27), the rotating wheel sensing assembly of the hole distance adjustment mechanism is fixedly installed on the drilling slide (24), the bidirectional screw rod (5) of the hole distance adjustment mechanism is rotatably installed on the drilling slide (24) and is arranged in parallel with the drilling adjustment guide rod (27), The threading device (3) comprises a threading slide (34), a threading lifting driving mechanism (35) and at least two threading guide columns (36), each threading guide column (36) is vertically installed on the lower frame (12), the threading slide (34) is slidably installed on each threading guide column (36), the threading lifting driving mechanism (35) is fixedly installed on the lower frame (12) and is in transmission connection with the threading slide (34), the control circuit is in electrical connection with the threading lifting driving mechanism (35), the threading slide (34) is provided with at least one threading adjustment guide rod (37) in the transverse direction, the two movable threading needle sliding blocks (31) are slidably installed on the threading adjustment guide rod (37), the rotating wheel sensing assembly of the needle distance adjustment mechanism is fixedly installed on the threading slide (34), the bidirectional screw rod (5) of the needle distance adjustment mechanism is rotatably installed on the threading slide (34) and is arranged in parallel with the threading adjustment guide rod (37), The adjustment driving assembly (6) comprises an adjustment driving motor (61) and a shaft coupling (62), one end of the shaft coupling (62) is fixedly installed on the main shaft of the adjustment driving motor (61), the other end is fixedly connected with the bidirectional screw rod (5), the adjustment driving motor (61) of the hole distance adjustment mechanism is fixedly installed on the drilling slide (24), the adjustment driving motor (61) of the needle distance adjustment mechanism is fixedly installed on the threading slide (34), and the adjustment driving motor (61) is in electrical connection with the control circuit.

9. A linear stapler for improving the accuracy of the hole pitch adjustment according to claim 8, characterized in that: The middle part of the drilling adjustment guide rod (27) is fixedly installed with a fixed drill bit sliding block (22), the two movable drill bit sliding blocks (21) are respectively located on the left and right sides of the fixed drill bit sliding block (22), the bidirectional screw rod (5) of the hole distance adjustment mechanism penetrates through the fixed drill bit sliding block (22) in the transverse direction, the lower part of the fixed drill bit sliding block (22) is provided with a drilling bit (23), the upper parts of the fixed drill bit sliding block (22) and the two movable drill bit sliding blocks (21) are respectively provided with a drilling motor (29), each drilling motor (29) is in transmission connection with the corresponding drilling bit (23), and each drilling motor (29) is in electrical connection with the control circuit, The middle part of the threading adjusting guide rod (37) is fixedly provided with a fixed threading slider (32), and two movable threading sliders (31) are respectively arranged on the left and right sides of the fixed threading slider (32). The bidirectional screw rod (5) of the needle spacing adjusting mechanism penetrates through the fixed threading slider (32) in the transverse direction, and the upper part of the fixed threading slider (32) is provided with a threading needle (33).

10. A linear stapler for improving the accuracy of the hole pitch adjustment according to claim 9, characterized in that: The binding switching device comprises a binding sliding plate (41), a connecting rope body (42), a driving flap (43) and a reset tension spring. The binding sliding plate (41) is slidingly arranged on the binding platform (13). The middle part of the driving flap (43) is hingedly connected to the upper part of the upper frame (11). One end of the driving flap (43) is abuttingly connected to the drilling sliding seat (24), and the other end is fixedly connected to the upper end of the connecting rope body (42). The lower end of the connecting rope body (42) is fixedly connected to the binding sliding plate (41). The reset tension spring is arranged between the binding sliding plate (41) and the binding platform (13). The binding sliding plate (41) is provided with three conductive rubber pads (44) in the transverse direction. The paper pressing mechanism comprises a paper pressing driving assembly (281), a paper pressing plate (282) and at least two paper pressing guide columns. The two paper pressing guide columns are vertically arranged on the upper frame (11). The paper pressing plate (282) is slidingly arranged on the two paper pressing guide columns. The paper pressing driving assembly (281) is in transmission connection with the paper pressing plate (282). The paper pressing driving assembly (281) is in electrical connection with the control circuit. The lower part of the paper pressing plate (282) is provided with three strip-shaped knife passing grooves (283). The three knife passing grooves (283) are arranged in the transverse direction. The binding platform (13) is further provided with a limiting stop strip (132). The lower part of the paper pressing plate (282) is provided with a stop strip passing groove (284).

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