CN213862804U

CN213862804U - Strapping feeding mechanism for strapping machine

Info

Publication number: CN213862804U
Application number: CN202022473211.0U
Authority: CN
Inventors: 邹洪
Original assignee: Shenzhen Ji Bi Automation Technology Co ltd
Current assignee: Shenzhen Ji Bi Automation Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-03
Anticipated expiration: 2030-10-30

Abstract

The utility model provides a strapping feed mechanism for strapper, wades strapper technical field, and the technique that the design of the strap feed mechanism of solving current strapper is unreasonable, the suitability is poor, production efficiency is low is not enough, and the technical means of adoption includes: the device comprises a carrying platform, a first clamping device, a second clamping device, a ribbon cutting assembly and a ribbon supporting piece, wherein the carrying platform is provided with a ribbon feeding groove, the head end of the ribbon feeding groove is provided with a first pneumatic clamp, the tail end of the ribbon feeding groove is provided with a second pneumatic clamp in a sliding manner, and the carrying platform is movably provided with the ribbon cutting assembly; the carrying platform is also provided with a lower clamping claw and a ribbon transfer mechanism; the ribbon shifts the mechanism and includes vertical arm lock and arm lock drive assembly. The utility model discloses a first pneumatic clamp presss from both sides centre gripping and tensile ribbon with the second pneumatics, lifts through ribbon supporting piece and cuts out the head end of back ribbon remainder in order to prevent its bending to fall, simultaneously through vertical arm lock centre gripping and transfer ribbon that cuts down, makes the utility model discloses both can use the iron core ribbon, also can use no iron core ribbon, the suitability is high. And all parts are compactly and reasonably arranged, and the working efficiency is high.

Description

Strapping feeding mechanism for strapping machine

Technical Field

The utility model relates to a strapper technical field, more specifically relate to a strapping feed mechanism for strapper.

Background

At present, a ribbon for strapper divide into has the ironcore ribbon and does not have the ironcore ribbon, the structural design of its ribbon feed mechanism of present majority strapper can only be applicable to self and possess certain plastic ironcore ribbon, the suitability is poor, need accurately cut with the help of the plasticity of ironcore ribbon self in the use, the ribbon is transferred, this kind of ribbon feed mechanism is when using no ironcore ribbon, can lead to the ribbon tensile, decide and shift the skew of in-process no ironcore ribbon, buckle and hang down and twist reverse, not only influence the normal material loading of ribbon, still can influence subsequent ribbon and twist and tie the action, the normal clear that the serious disturbance was tied up, production efficiency has been reduced.

Accordingly, there is a need for an improved strap feeding mechanism for existing strappers.

SUMMERY OF THE UTILITY MODEL

To sum up, the utility model discloses an it is unreasonable to solve current strapping machine ribbon feed mechanism structural design, can not be applicable to no iron core ribbon, the low technique of production efficiency is not enough, and provides a strapping machine ribbon feed mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the binding belt feeding mechanism for the binding machine comprises a carrying platform, wherein a binding belt feeding groove is longitudinally formed in the carrying platform, a fixed arm is transversely arranged at the head end of the binding belt feeding groove, a first pneumatic clamp used for clamping a binding belt to prevent the binding belt from returning is fixedly connected to the fixed arm, a second pneumatic clamp used for longitudinally pulling out the binding belt clamped by the first pneumatic clamp along the binding belt feeding groove is arranged at the tail end of the binding belt feeding groove in a sliding mode, and a second pneumatic clamp driving assembly used for driving the second pneumatic clamp to horizontally and longitudinally slide is arranged on the carrying platform. The assembly is decided to the ribbon that the activity was equipped with and was used for cutting the ribbon on the microscope carrier, the ribbon decide the assembly activity and be in first pneumatic clamp towards the one side of second pneumatic clamp, be equipped with the ribbon supporting piece that is used for activity bearing ribbon in order to prevent that its head end is crooked, the drippage after the ribbon cuts on it. The carrying platform is also provided with a clamping lower claw positioned at the middle part of one side of the ribbon feeding groove and a ribbon transferring mechanism used for clamping the ribbon and transferring the cut ribbon to the clamping lower claw. The ribbon transfer mechanism comprises two vertical clamping arms movably arranged on two sides of the lower clamping jaw and a clamping arm driving assembly used for driving the vertical clamping arms to move, and two transverse grooves which are used for enabling the vertical clamping arms to penetrate through and move and are respectively arranged on two sides of the lower clamping jaw are transversely formed in the carrying platform.

The clamping arm driving assembly comprises two transverse sliding rails which are transversely and fixedly arranged on the lower surface of the carrying platform and are respectively positioned on two sides of the clamping lower jaw, a first bearing plate is connected onto the two transverse sliding rails in a sliding mode, a vertical driving cylinder is fixedly arranged on the first bearing plate, a piston rod of the vertical driving cylinder is connected with a second bearing plate which is horizontally and longitudinally arranged and movably positioned below the transverse groove, the bottom ends of the two vertical clamping arms are respectively and fixedly connected to two ends of the second bearing plate, and the upper ends of the two vertical clamping arms respectively penetrate through the transverse groove in a corresponding and movable mode and extend out upwards. And a horizontal driving cylinder for driving the two vertical clamping arms to move along the transverse groove is fixedly arranged on the lower surface of the carrying platform, and a piston rod of the horizontal driving cylinder is connected with the first bearing plate.

Every vertical arm lock all includes the tube arm of a hollow tubular structure, all set firmly on the lateral wall of every tube arm upper end one to the bandage silo of feeding department transversely extending's lower jaw, the top of every tube arm all the activity hinge joint have one with the lower jaw cooperation is used the palate, ribbon transfer assembly still including being used for controlling the palate swings the control assembly that acts as go-between that opens and shuts in order to cooperate the lower jaw centre gripping ribbon.

All be equipped with a hinge hole on every palace, the both sides of hinge hole correspond respectively and have seted up first stay wire jack and second stay wire jack. The bracing wire control assembly comprises two fixing plates which are correspondingly arranged below the two vertical clamping arms respectively, a double-piston rod cylinder is arranged on each fixing plate, a first bracing wire and a second bracing wire are connected to piston rods on the left side and the right side of each double-piston rod cylinder respectively, and a clamping block at the head end of each first bracing wire and a clamping block at the head end of each second bracing wire upwards penetrate through the pipe arms and are respectively matched and spliced in the first bracing wire jack and the second bracing wire jack. Each fixing plate is also rotatably provided with a plurality of stay wire guide wheels for supporting and guiding the first stay wire and the second stay wire.

The fixed arm on elastic hinge have a swing arm, the swing arm be in the fixed arm orientation one side of second pneumatic clamp, its head end can be to the horizontal elastic swing in fixed arm one side, the ribbon decide the subassembly and connect in the swing arm and along with swing arm elastic swing.

The subassembly is decided to the ribbon including cut-off knife, cut-off knife actuating cylinder and ribbon supporting piece, the vertical head end of connecting in the swing arm of ribbon supporting piece, the cut-off knife actuating cylinder vertically set firmly in the swing arm on, the one end of cut-off knife articulates the head end at the swing arm, the other end of cut-off knife articulates the piston rod head end at the cut-off knife actuating cylinder, the activity of the cutting edge portion of cut-off knife is pasted and is leaned on one side at ribbon supporting piece.

The second pneumatic clamp driving assembly comprises a longitudinal sliding rail which is longitudinally and fixedly arranged on the lower surface of the carrying platform and corresponds to the other side of the material feeding groove of the binding tape, a pneumatic clamp fixing piece is connected to the longitudinal sliding rail in a sliding mode, the upper portion of the pneumatic clamp fixing piece correspondingly penetrates upwards through the material feeding groove of the binding tape, the second pneumatic clamp is fixedly connected to the upper portion of the pneumatic clamp fixing piece and corresponds to the first pneumatic clamp, a second pneumatic clamp driving cylinder used for driving the second pneumatic clamp to move is further longitudinally and fixedly arranged on the lower surface of the carrying platform, and a piston rod of the second pneumatic clamp driving cylinder is connected with the pneumatic clamp fixing piece.

And a band guide wheel used for guiding the band to horizontally and longitudinally extend out along the band feeding groove is rotatably arranged on the carrying platform, and the band guide wheel is correspondingly positioned at the head end position of the band feeding groove.

The utility model discloses a pneumatic clamp of ribbon, including fixed arm, second pneumatic clamp, first connecting rod and second connecting rod, the fixed arm head end is seted up one and is used for the horizontal ribbon through-hole that vertically passes of ribbon, and the fixed arm dorsad vertically be equipped with head rod and second connecting rod on the lateral wall of second pneumatic clamp one side, the head end of head rod and second connecting rod is rotated and is equipped with two and is used for supporting the pressure running roller that presses the bundle and arrange in the same direction as the ribbon, two are supported the pressure running roller branch and are in the upper and lower both sides of ribbon through-hole.

At least one angle of the first connecting rod and the second connecting rod is connected to the fixed arm in an adjustable mode.

The utility model has the advantages that: the ribbon is longitudinally pulled out by a set length along the horizontal direction of the ribbon feeding groove through the first pneumatic clamp and the second pneumatic clamp, then the vertical clamping arm is driven by the clamping arm driving assembly to move along the transverse groove to the transverse direction and the vertical direction of the ribbon feeding groove, and the ribbon which is stretched out by the first pneumatic clamp and the second pneumatic clamp and supported by the ribbon supporting piece is clamped through the vertical clamping arm. Subsequently, the subassembly is decided to the ribbon that the activity was in first pneumatic clamp one side is decided the ribbon, and the second pneumatic clamp loosens the ribbon after cutting off, and first pneumatic clamp still centre gripping ribbon remainder's tip is in order to prevent that the ribbon from returning this moment, exposes the ribbon head end of first pneumatic clamp one side and is lifted by ribbon supporting piece, prevents that the ribbon head end from supporting because of no iron core and crooked the droing to it gets ribbon head end and tensile ribbon to influence second pneumatic clamp once more. Then, the vertical clamping arm clamps the cut ribbon under the driving of the clamping arm driving assembly and transfers the ribbon to the lower clamping claw for subsequent bundling action.

The utility model discloses a first pneumatic clamp and the pneumatic centre gripping of clamp of second and tensile ribbon can effectively avoid the ribbon to squint, twist reverse at the tensile in-process of ribbon, lift by ribbon supporting member after the ribbon is cut out simultaneously and cut out the head end of back ribbon remainder, have solved when using the soft no iron core ribbon of texture and have influenced the problem that the pneumatic clamp of second pressed from both sides of clamp got the ribbon head end because of the crooked sag of ribbon tip. The utility model discloses a ribbon that the vertical arm lock centre gripping of claw both sides cut under the centre gripping is located in two activities, can effectively avoid the ribbon to bend, twist reverse at ribbon transfer in-process, has guaranteed to treat to tie up the success rate that the wire rod tied up, has improved the utility model discloses a reliability.

Realized through the above-mentioned technical means the utility model discloses both applicable in having the iron core ribbon, also can be applicable to the soft and applicable function in no iron core ribbon of texture, richened the kind of the ribbon that uses, improved the utility model discloses an adaptability has also solved when current ribbon feed mechanism uses no iron core ribbon because of the ribbon squints, twists reverse the problem that influences production efficiency.

And simultaneously, the utility model has the advantages of simple structure, each parts cooperation is close, the ribbon is cut and the back shifts, the second is pneumatic to press from both sides drive assembly's the silo to first pneumatic clamp department slide with the head end of centre gripping ribbon surplus on the pneumatic clamp of second immediately, simultaneously, the subassembly is decided to the fixed arm one side and is removed outside exposing with the head end of deciding back surplus with the ribbon to the ribbon, so that the pneumatic clamp of second presss from both sides the head end of getting this exposure, and vertically pull out certain distance with the ribbon along the ribbon on the silo level in order to cut and shift, the tensile latency of ribbon has been reduced, the utility model discloses continuity of operation's efficiency has greatly been improved.

And, the utility model discloses each functional unit overall arrangement is compact, reasonable, make full use of microscope carrier lower part space, and the stroke of vertical arm lock is shorter simultaneously, has reduced the ribbon and has shifted required time, has further improved the utility model discloses a work efficiency is favorable to improving the performance of enterprises.

Drawings

FIG. 1 is a top view of the overall structure of the present invention;

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is an exploded view of the components of the fixing arm of the present invention;

fig. 4 is the structural schematic diagram (hidden carrier) of each part of the stretching and cutting ribbon of the utility model:

FIG. 5 is a schematic view of the vertical clamp arm and clamp arm drive assembly of the present invention (hidden carrier and pull-cord control assembly);

fig. 6 is a schematic view of the overall structure of the present invention (hidden carrier and pull-line control assembly);

FIG. 7 is a schematic view of the vertical clamping arm and pull-string control assembly of the present invention;

fig. 8 is a partial enlarged view of the upper end structure decomposition diagram of the vertical clamp arm of the present invention.

In the figure: 1. a carrier table 11, a belt feeding groove 12, a transverse groove 2, a fixed arm 21, a first pneumatic clamp, a connecting part 22, a connecting part 221, a hinge hole 23, a belt through hole 24, a first connecting rod 241, a clamping hole 25, a second connecting rod 26, a pressing roller 27, a connecting screw rod 28, a belt guiding wheel 281, a connecting piece 3, a second pneumatic clamp driving component 31, a second pneumatic clamp 32, a connecting column 33, a longitudinal sliding rail 34, a sliding block 35, a pneumatic clamp fixing piece 36, a second pneumatic clamp driving cylinder 4, a swing arm 41, a hinge hole groove 42, a pin shaft 43, a cutter knife 44, a cutter knife driving cylinder 441, a connecting piece 45, a cutter groove 46, a belt supporting piece 461, a belt through hole 5, a clamping lower claw 51, a belt limiting groove 6, a vertical clamping arm 61, a pipe arm 62, a lower jaw 63, an upper jaw 631 and a hinge hole, 632. the pull wire guide device comprises a first pull wire insertion hole, a second pull wire insertion hole, a hinge groove, a connector, a transverse sliding rail, a slider, a first bearing plate, a clamping arm sliding sleeve, a vertical driving cylinder, an 76. U-shaped bracket, a second bearing plate, a 771 avoiding space, a clamping arm fixing hole, a connector, a horizontal driving cylinder, a fixing plate, a piston rod cylinder, a first pull wire, a second pull wire, a clamping block and a pull wire guide wheel, wherein the first pull wire insertion hole is 633, the clamping arm sliding sleeve is 741, the vertical driving cylinder is 75, the 76. U-shaped bracket is 77, the second bearing plate is 771, the clamping arm fixing hole is 772, the connector is 78, the horizontal driving cylinder is 79, the fixing plate is 80, the piston rod cylinder is 81, the first pull wire is 82, the second pull wire is 83, the clamping block is 84, and the pull wire guide wheel is 85.

Detailed Description

The structure of the present invention will be further described with reference to the accompanying drawings and preferred embodiments of the present invention.

It should be noted that this embodiment is only a preferred embodiment of the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 to 2, the present invention: a strap feeding mechanism for a binding machine comprises a horizontally arranged carrying platform 1, and a strap is wound on a strap tray (not shown) below the carrying platform 1. A strip-shaped ribbon feeding groove 11 which penetrates through the carrying platform 1 up and down and is used for stretching and passing through the ribbon is longitudinally arranged on the carrying platform 1. Horizontal screw thread fixedly connected with one on microscope carrier 1 upper surface corresponds fixed arm 2 that is in 11 head ends of ribbon feeding groove (the ribbon gets into one end), screw thread fixedly connected with level extends 11 tops of ribbon feeding groove on 2 head end positions of this fixed arm, a first pneumatic clamp 21 that is used for the centre gripping ribbon in order to prevent it to roll back, the other end of ribbon feeding groove 11 slides and is equipped with one and is used for vertically pulling out the second pneumatic clamp 31 of setting for length along ribbon feeding groove 11 levels with the ribbon that this first pneumatic clamp 21 was held, be equipped with on microscope carrier 1 and be used for driving this second pneumatic clamp 31 along ribbon feeding groove 11 level vertical second pneumatic clamp drive assembly 3 that slides.

Specifically, as shown in fig. 3 to 4, the fixing arm 2 is a rectangular parallelepiped, and the upper and lower edges of the rear end of the front sidewall of the second pneumatic clamp 31 are horizontally extended outward by the connecting portion 22 parallel to each other, and the rear end of the connecting portion 22 is correspondingly provided with a hinge hole 221. The head end part of the fixing arm 2 is provided with a ribbon through hole 23 which horizontally and transversely penetrates through the front side wall and the rear side wall of the fixing arm 2 and is used for a ribbon to pass through, the first pneumatic clamp 21 is horizontally and longitudinally screwed and fixedly connected to the head end part of the front side wall of the fixing arm 2 facing the second pneumatic clamp 31, two clamping jaws of the first pneumatic clamp 21 are vertically opened and closed up and down, and the ribbon which passes through the ribbon through hole 23 passes through the two clamping jaws of the first pneumatic clamp 21.

It should be noted that the fixing position of the first pneumatic clamp 21 in the present embodiment is only a preferred embodiment of the present invention, and is not a limitation of the present invention. In other embodiments, the first pneumatic clamp 21 may be disposed horizontally and longitudinally, or may be disposed vertically upward or vertically downward, or the first pneumatic clamp 21 may be fixed on a rear side wall of the fixing arm 2 facing away from the second pneumatic clamp 31, and so on. Only need guarantee that first pneumatic clamp 21 can grasp, prevent that the ribbon from deciding the back roll back after the ribbon is decided to the ribbon that passes ribbon through-hole 23.

Specifically, referring to fig. 3 and 4, in order to facilitate the ribbon wound on the ribbon tray below the carrying platform 1 to pass through the ribbon feeding chute 11 upwards and ensure that the ribbon conversion angle is horizontally stretched along the ribbon through hole 23, the utility model discloses rotate on the rear side wall of the fixed arm 2 opposite to the second pneumatic clamp 31 and be equipped with a ribbon guide wheel 28 which is located the head end of the ribbon feeding chute 11 and is used for guiding the ribbon. The band guide wheel 28 is fixedly connected with the fixing arm 2 through a connecting piece 281 and the upper groove of the band guide wheel 28 corresponds to the band through hole 23 at the head end of the fixing arm 2.

Specifically, a first connecting rod 24 and a second connecting rod 25 which are vertically and correspondingly arranged are fixedly connected to the rear side wall of the fixing arm 2, which is back to the second pneumatic clamp 31, through horizontal and longitudinal threads, and the head ends of the first connecting rod 24 and the second connecting rod 25 extend to one end of the ribbon through hole 23. The head end surfaces of the first connecting rod 24 and the second connecting rod 25 are axially and rotatably connected with a pressing roller 26 which presses the ribbon from the upper part or the lower part to enable the ribbon to pass through the ribbon through hole 23 after being straightened, and the two pressing rollers 26 are correspondingly positioned at the upper side and the lower side of the ribbon through hole 23 after actual assembly.

Preferably, in order to further prevent that the ribbon from being decided its remaining part of back and returning and break away from fixed arm 2, the utility model discloses a support the preferred one-way pivoted running roller of adopting of pressure running roller 26, guarantee that the ribbon can level and vertically pass along the preceding lateral wall direction of the back lateral wall of fixed arm 2, will be supported by two and press the running roller to carry and make it can not return when the ribbon is decided the back and want to return backward, further improved the utility model discloses a reliability.

Further, in order to be suitable for the ribbon of different kinds and area footpath, the utility model discloses set the head rod 24 that will be in upper portion to the structure that can be swung with fixed angle around the rear end portion. The first connecting rod 24 is fixedly connected to the fixing arm 2 through a connecting screw 27 by screw threads, a clamping hole 241 whose tightness can be adjusted by a screw (not shown in the figure) is horizontally and transversely arranged at the rear end of the first connecting rod 24, and the clamping hole 241 is sleeved on a circular joint at the head end of the connecting screw 27 in a matching manner and is locked by the screw. If the diameter of the ribbon of ribbon is great during the actual use, only need to adjust the centre gripping hole 241 loose through the screw rod, with the first connecting rod 24 adjustment suitable angle, again with the screw rod screw up make the first connecting rod 24 fixed can, easy operation is convenient.

Since the first connecting rod 24 in the present embodiment is used to adjust the pressing angle, the connecting piece 281 in the present embodiment is screw-fixedly connected to the outer sidewall of the second connecting rod 25 to connect the band guide wheel 28 with the fixing arm 2.

It should be noted that the connection position and connection mode of the band guide wheel 28 in this embodiment are only a preferred embodiment of the present invention, and are not a limitation of the present invention. For example, in other embodiments, the strap guide wheel 28 may be directly pivotally attached to the head end of the strap feeding trough 11.

Referring to fig. 4, when the first-time use is carried out, the ribbon is manually pulled out from the ribbon tray, the head end of the ribbon is wound upwards around the ribbon guide wheel 28, then the ribbon sequentially passes through the two pressing roller wheels 26 and the ribbon through hole 23, and the head end of the ribbon is clamped by the first pneumatic clamp 21 to prevent the ribbon from backing. The second pneumatic clamp 31 is then driven by the second pneumatic clamp driving assembly 3 to move along the band feeding trough 11 to the first pneumatic clamp 21, and the head end of the band clamped by the first pneumatic clamp 21 is clamped and longitudinally stretched out by a set length.

Specifically, referring to fig. 3, a swing arm 4 extending toward the head end of the fixing arm 2 and having a head end capable of horizontally and elastically swinging toward the fixing arm 2 is elastically hinged to the tail end of the front side wall of the fixing arm 2 facing the second pneumatic clamp 31. The swing arm 4 is of an L-shaped structure, a hinge hole groove 41 is formed in the short edge of the swing arm 4, a torsion spring (not shown in the figure) is arranged in the hinge hole groove 41, the swing arm 4 is elastically hinged to the fixed arm 2 through a hinge pin 42 through the hinge hole groove 41 and a hinge hole 221, and automatically swings to one side of the second pneumatic clamp 31 to a certain extent under the action of the torsion spring.

Preferably, accessible control hinge angle, torsional spring elasticity or set up the separation blade, make swing arm 4 normality under the spring action of torsional spring automatic level outwards swing to the degree that parallels with fixed arm 2, guarantee simultaneously under the exogenic action can promote the head end of swing arm 4 and make it paste to fixed arm 2 one side elasticity and lean on.

It should be noted that the swing arm 4 in this embodiment is set to be L-shaped to ensure that a certain gap is left between the hinged rear swing arm 4 and the fixed arm 2, so as to prevent the head end of the swing arm 4 from abutting against the first pneumatic clamp 21, and ensure that the swing arm 4 is located outside the first pneumatic clamp 21 in a normal state. Meanwhile, the swing arm 4 with the L-shaped structure can enable the swing arm 4 to be kept parallel to the fixed arm 2 after being automatically opened under the action of the torsion spring. In other embodiments, the specific shape and structure of the swing arm 4 can be adjusted according to actual requirements.

Specifically, as shown in fig. 3 and 4, the swing arm 4 is provided with a ribbon cutting assembly for cutting the ribbon, and the ribbon cutting assembly is correspondingly positioned on the outer side of the first pneumatic clamp 21 facing the second pneumatic clamp 31.

Specifically, the subassembly is decided to the ribbon is including cut-off knife 43, cut-off knife actuating cylinder 44 and ribbon supporting member 46, and the vertical screw thread fixed connection of cut-off knife actuating cylinder 44 is in the middle part of 4 up end of swing arm, and the piston rod that the cut-off knife actuated cylinder 44 stretches out and draws back to the head end department of swing arm 4, is connected with a connecting piece 441 that is used for articulated cut-off knife 43 at the piston rod head end department that the cut-off knife actuated cylinder 44. The head end position department of swing arm 4 vertically offers a sword groove 45 that is used for holding and articulated cut-off knife 43, and the head end that cut-off knife 43 has the cutting edge articulates in the sword groove 45 of swing arm 4 head end, and the tail end of cut-off knife 43 articulates on the connecting piece 441 of cut-off knife actuating cylinder 44 piston rod head end.

After the assembly of the ribbon cutting assembly, the ribbon cutting assembly swings elastically to the front side of the fixing arm 2 along with the swing arm 4 in a normal state, at the moment, the cutting knife 43 is correspondingly positioned at the outer side of the first pneumatic clamp 21, and the cutting edge of the cutting knife 43 is correspondingly positioned above the ribbon. The piston rod of the cutting knife driving cylinder 44 is retracted under the normal state, so that the cutting edge of the cutting knife 43 is driven to swing upwards, and the cutting edge of the cutting knife 43 is prevented from touching the binding belt. When the ribbon needs to be cut, the piston rod of the cutting knife driving cylinder 44 extends out, and the cutting edge of the cutting knife 43 is driven to swing downwards to cut the ribbon.

Because there is certain clearance between the first pneumatic clamp 21 of cut-off knife 43 and centre gripping ribbon, if the ribbon that adopts is no iron core ribbon, will lead to ribbon cutting department atress to warp crooked because of the soft characteristic of ribbon self when cut-off knife 43 cutting ribbon, and then influence the normal cutting of ribbon. Meanwhile, because the texture of the coreless ribbon is soft, the head end of the rest part of the ribbon can be automatically bent downwards under the action of gravity due to the coreless support after the ribbon is cut off, so that the head end of the ribbon extending out of the first pneumatic clamp 21 naturally falls down, and the head end of the ribbon is clamped by the second pneumatic clamp 31. In order to solve the problem, the utility model discloses sword groove 45 department at swing arm 4 head end still screw thread fixedly connected with ribbon supporting member 46.

Preferably, the ribbon support 46 is configured as a long strip-shaped plate structure, the vertical longitudinal thread is fixedly connected to the inner wall of the knife groove 45 on the side close to the first pneumatic clamp 21, the head end of the cutting knife 43 with the cutting edge movably abuts against the front side wall of the ribbon support 46, and the head end portion of the ribbon support 46 is correspondingly positioned above the ribbon feeding trough 11. A ribbon through hole 461 for the ribbon to pass through is transversely formed at the head end part of the ribbon supporting piece 46, and the ribbon through hole 461 corresponds to the ribbon through hole 23 on the fixing arm 2.

Referring to fig. 3 and 4, in actual use, the cutting knife 43 is attached to the front side wall of the ribbon support 46 to swing up and down to cut the ribbon, and during cutting, because the ribbon is supported by the ribbon through hole 461 on the ribbon support 46, the head end of the rest part of the ribbon can be lifted after the cutting knife 43 cuts the ribbon, so that the head end of the ribbon is prevented from bending and falling to influence the clamping and stretching of the second pneumatic clamp 31 when the coreless ribbon is used. Simultaneously, paste on the preceding lateral wall at ribbon supporting part 46 because of the cutting edge portion activity of cut-off knife 43, so the position that the position of cutting of ribbon is promptly for passing ribbon via hole 461 department, because there is ribbon via hole 461 bearing on ribbon supporting part 46, the problem that the ribbon normally decided is influenced because of the crooked deformation of atress in the department of cutting of ribbon when effectively having solved the use no iron core ribbon, has improved the utility model discloses the reliability of subassembly is decided to the ribbon.

It should be noted that the design of the strap retainer 46 in this embodiment is only a preferred embodiment of the present invention, and is not intended to limit the present invention. In other embodiments, the configuration of the strap retainer 46 may be adjusted according to actual needs. For example, the strap receiver 46 may be configured as a bracket arm structure to hold the strap, a guide wheel structure, or the like.

Specifically, referring to fig. 1, 2 and 4, the second pneumatic clamp driving assembly 3 includes a connecting column 32 fixedly connected to the lower surface of the carrier 1 by a longitudinal thread and correspondingly located at the other side of the ribbon feeding trough 11, a longitudinal slide rail 33 horizontally and longitudinally fixedly connected to the end surface of one side of the connecting column 32 facing the transverse trough, a slide block 34 slidably connected to the longitudinal slide rail 33, and a pneumatic clamp fixing piece 35 having an upper portion vertically and upwardly penetrating through the ribbon feeding trough 11 and integrally formed in a J-shaped structure and fixedly connected to the slide block 34. The pneumatic clamp fixing piece 35 of the J-shaped structure is fixedly connected with the slide block 34 through threads on one longer side, and the upper part of one longer side vertically and longitudinally extends upwards and penetrates through the ribbon feeding groove 11. The pneumatic clamp fastener 35 of J-shaped configuration has its bottom portion of U-shaped configuration extending around the connection post 32 to the other side of the connection post 32.

Specifically, the second pneumatic clamp 31 is fixedly connected to the upper position of the pneumatic clamp fixing piece 35 penetrating through the ribbon feeding trough 11 through horizontal and longitudinal threads, and the second pneumatic clamp 31 corresponds to the first pneumatic clamp 21 after the fixing. The lower surface of the carrier 1 is also fixedly connected with a second pneumatic clamp driving cylinder 36 which is located on the other side of the connecting column 32 and used for driving the second pneumatic clamp 31 to move in a longitudinal threaded manner, and a piston rod of the second pneumatic clamp driving cylinder 36 is connected with a pneumatic clamp fixing piece 35.

In actual use, the second pneumatic clamp driving cylinder 36 drives the pneumatic clamp fixing piece 35 to drive the second pneumatic clamp 31 to horizontally and longitudinally slide along the ribbon feeding groove 11. After the second pneumatic clamp 31 moves to the position of the cutter 43, it continues to move to the side of the first pneumatic clamp 21, and the swing arm 4 is driven by the second pneumatic clamp 31 to swing a certain distance to the side of the fixed arm 2 against the elasticity of the torsion spring. The end of the strap in the strap through hole 461 is exposed after the swing arm 4 swings to the side of the fixing arm 2, so that the end of the strap is clamped by the second pneumatic clamp 31. After the second pneumatic clamp 31 has gripped the end of the band, the first pneumatic clamp 21 releases the band, and the second pneumatic clamp 31 then pulls the band horizontally and longitudinally a certain distance under the drive of the second pneumatic clamp drive cylinder 36. Before the band is cut, the first pneumatic clamp 21 acts and grips the band, preventing the rest of the band from backing out after it has been cut.

Specifically, referring to fig. 1 and 2, still vertical fixedly connected with one on the microscope carrier 1 upper surface is used for accepting the ribbon that cuts down, be in the centre gripping lower jaw 5 on 11 right sides middle positions of silo on the ribbon, the vertical opening and shutting of two arm lock of jaw 5 under this centre gripping, correspond vertically on two arm lock up end of jaw 5 under the centre gripping and be equipped with the ribbon spacing groove 51 that is used for bearing the ribbon, and the height of two arm lock is lower, can effectively reduce its vertical transfer distance of the ribbon that is cut down to improve ribbon material loading efficiency. The carrying platform 1 is also provided with a ribbon transferring mechanism which is used for clamping the ribbon clamped by the first pneumatic clamp 21 and the second pneumatic clamp 31 so as to cut the ribbon cutting assembly and transferring the cut ribbon to the clamping lower claw 5.

Specifically, referring to fig. 1, the ribbon transfer mechanism includes two vertical clamping arms 6 vertically and correspondingly disposed and movably disposed at two sides of the lower clamping jaw 5, and a clamping arm driving assembly for driving the two vertical clamping arms 6 to horizontally, horizontally and vertically move up and down so as to clamp and transfer the ribbon, and two transverse slots 12 are transversely disposed on the carrier 1, through which the vertical clamping arms 6 pass and move, and correspondingly disposed at two sides of the lower clamping jaw 5.

Preferably, two transverse slots 12 are in communication with the strap feeding slot 11.

Specifically, referring to fig. 5 and 6, the clamping arm driving assembly is movably disposed below the lower clamping jaw 5, and includes two transverse slide rails 72 fixedly connected to the lower surface of the carrier 1 through connecting members 71 corresponding to transverse threads and located at two sides of the transverse groove 12, a first bearing plate 74 horizontally and longitudinally disposed is slidably connected to the two transverse slide rails 72 through two sliders 73, a vertical driving cylinder 75 vertically disposed downward is fixedly connected to the middle position of the lower surface of the first bearing plate 74 through threads, a U-shaped bracket 76 upwardly disposed is fixedly connected to the piston rod of the vertical driving cylinder 75 through threads, a second bearing plate 77 movably sleeved outside the cylinder body of the vertical driving cylinder 75 and located below the transverse groove 12 is fixedly connected to the upper opening of the U-shaped bracket 76 through threads, a clearance 771 for the cylinder body of the vertical driving cylinder 75 to vertically and movably pass through is disposed at the middle part of the second bearing plate 77, two clamping arm fixing holes 772 capable of being locked by screws (not shown) to fix the vertical clamping arms 6 are correspondingly formed at two ends of the second bearing plate 77.

Specifically, referring to fig. 5, two clamping arm sliding sleeves 741 for allowing the vertical clamping arm 6 to slide through for stabilizing are vertically and fixedly connected to the first carrier plate 74, and the two clamping arm sliding sleeves 741 are respectively disposed at two sides of the vertical driving cylinder 75 and correspond to the clamping arm fixing hole 772 of the second carrier plate 77 and the transverse slot 12 of the carrier 1.

Referring to fig. 2, 5 and 6, in actual assembly, the two vertical clamping arms 6 respectively pass through the two transverse slots 12 on the carrier 1 and the two clamping arm sliding sleeves 741 on the first bearing plate 74 from top to bottom, so that the bottom ends of the two vertical clamping arms 6 are correspondingly inserted into the two clamping arm fixing holes 772 on the second bearing plate 77 in a matching manner, and the clamping arm fixing holes 772 are locked by screws to fixedly connect the vertical clamping arms 6 to the second bearing plate 77.

Specifically, a connecting member 78 located at the other side of the ribbon feeding trough 11 is fixedly connected to the lower surface of the carrier 1 through threads, a horizontal driving cylinder 79 for driving the first bearing plate 74 to horizontally slide along the horizontal slide rail 72 is fixedly connected to the connecting member 78 through horizontal threads, and a piston rod of the horizontal driving cylinder 79 horizontally extends and retracts and is fixedly connected to the first bearing plate 74 through a connecting screw rod (not shown in the figure). In practical use, the horizontal driving cylinder 79 drives the first bearing 74 and drives the two vertical clamping arms 6 to horizontally and transversely move along the transverse slot 12 through the vertical driving cylinder 75, the clamping arm sliding sleeve 741, the U-shaped bracket 76 and the second bearing plate 77.

Referring to fig. 6, in actual use, the horizontal driving cylinder 79 drives the vertical clamping arm 6 to move transversely along the transverse slot 12, so that the vertical clamping arm 6 is close to or far away from the strap feeding slot 11, and meanwhile, the vertical driving cylinder 75 drives the U-shaped bracket 76 to vertically move up and down and drives the vertical clamping arm 6 to vertically move up and down through the U-shaped bracket 76 and the second bearing plate 77.

Two vertical upwards height that stretch out of arm lock of its centre gripping lower jaw of ribbon feed mechanism of current strapper, consequently at the ribbon transfer in-process, its vertical arm lock needs higher lifting height just can shift the ribbon to 5 upper ends of centre gripping lower jaw, consequently, its arm lock drive assembly's drive stroke is longer, has seriously influenced the efficiency that the ribbon shifted. And the utility model discloses two arm lock of claw 5 are shorter under the centre gripping than the arm lock of claw under the current centre gripping, therefore, the utility model discloses a vertical arm lock 6 its height that stretches out microscope carrier 1 is lower, has effectively reduced the vertical drive cylinder's of ribbon transfer in-process drive stroke, has greatly shortened the ribbon that cuts and has transferred the time on the claw 5 under the centre gripping from ribbon feeding trough 11, has improved ribbon material loading efficiency.

Moreover, because the utility model discloses two arm lock lengths of claw 5 are shorter under the centre gripping, consequently can leave enough big space for the microscope carrier 1 upper portion of whole strapper, conveniently wait for binding material to carry out operations such as putting things in good order, shifting to the cable.

It should be noted that, the structure and the connection mode of each component of the clamping arm driving assembly in this embodiment are only a preferred embodiment of the present invention, and are not limited to the present invention, and in some other embodiments, the connection structure and the connection mode between the lateral sliding rail 72, the first loading plate 74, the second loading plate 77, etc. can be adjusted and changed according to actual needs.

Specifically, referring to fig. 7 and 8, each vertical clamping arm 6 includes a tubular arm 61 having a hollow tubular structure, a lower jaw 62 extending transversely to the strap feeding trough 11 is fixedly connected to a side wall of an upper end of each tubular arm 61 through threads, an upper jaw 63 used in cooperation with the lower jaw 62 is movably hinged to a top end of each tubular arm 61, and the strap transferring assembly further includes a pull line control assembly for controlling the upper jaw 63 to swing open and close to cooperate with the lower jaw 62 to clamp the strap.

Specifically, referring to fig. 8, the upper end of each tube arm 61 is transversely provided with a hinge groove 64 for hinging the upper jaw 63, the middle of each upper jaw 63 is horizontally and transversely provided with a hinge hole 631 used in cooperation with the hinge groove 64, and two sides of the hinge hole 631 are respectively and correspondingly provided with a first wire insertion hole 632 and a second wire insertion hole 633.

Specifically, referring to fig. 7 and 8, the wire pulling control assembly includes two fixing plates 80 vertically and horizontally disposed and respectively corresponding to the lower portion of the bottom of the vertical clamping arm 6, and the two fixing plates 80 are respectively and fixedly connected to the openings at the two sides of the U-shaped bracket 76 corresponding to the threads, so as to ensure that the fixing plates 80 can move synchronously with the U-shaped bracket 76, the second loading plate 77 and the vertical clamping arm 6 under the driving of the vertical driving cylinder 75. A double-piston-rod cylinder 81 is horizontally and longitudinally arranged in the middle of the lower part of the outer surface of each fixing plate 80, and a first pull wire 82 and a second pull wire 83 are respectively connected to the piston rods on the left side and the right side of each double-piston-rod cylinder 81. The first pull wire 82 and the second pull wire 83 have a latch 84 at their first ends extending upward through the tubular arm 61 and respectively inserted into the first pull wire insertion hole 632 and the second pull wire insertion hole 633 of the upper jaw 63. Each of the fixing plates 80 is also rotatably provided with four wire guide wheels 85 for supporting and guiding the first wire 82 and the second wire 83, thereby preventing the wires from being loosened.

Specifically, each stay wire corresponds to two stay wire guide wheels 85, the corresponding middle parts of the two stay wire guide wheels 85 on the upper part are positioned below the vertical clamping arm 6, and the stay wire guide wheels 85 on the left side and the right side are respectively and correspondingly positioned on two sides of the double-piston rod cylinder 81. The tail end of the stay wire is fixedly connected to the piston rod of the double-piston rod cylinder 81, the head end of the stay wire sequentially bypasses the outer sides of the stay wire guide wheels 85 at the left side and the right side below and bypasses the inner sides of the two stay wire guide wheels 85 above, and then extends upwards from the bottom opening of the pipe arm 61 to the top of the pipe arm 61.

It should be noted that the number and arrangement of the wire guiding wheels 85 in this embodiment are only one preferred embodiment of the present invention, and are not intended to limit the present invention. In other embodiments, the wire guiding wheel 85 may be set according to actual requirements, and the dual-piston rod cylinder 81 can control the opening and closing of the vertical clamping arm 6 through the wire only after the wire is wound around the wire guiding wheel 85.

In actual use, when the piston rod at the left side of the double-piston-rod cylinder 81 is retracted and the piston rod at the right side is extended, the upper jaw 63 is pulled to swing downwards through the tightened first pull wire 82, so that the upper jaw 63 and the lower jaw 62 are closed to clamp the binding belt. When the piston rod on the right side of the double-piston-rod cylinder 81 is retracted and the piston rod on the left side is extended, the upper jaw 63 is pulled to swing upwards through the second pull wire 83, so that the upper jaw 63 and the lower jaw 62 are opened to release the binding belt.

Referring to fig. 1, in a normal state, two vertical clamping arms 6 of the strap transferring mechanism are respectively located at two sides of the clamping lower jaw 5, and the two vertical clamping arms 6 are driven by the clamping arm driving assembly to have upper jaws 63 and upper ends of lower jaws 62 corresponding to two sides of a strap limiting slot 51 for clamping the upper end surface of the lower jaw 5.

Referring to fig. 6, after the second pneumatic clamp 31 grips the strap and stretches the strap a certain length along the strap feeding channel 11 under the force of the second pneumatic clamp driving assembly 3, the strap transferring mechanism is actuated. The horizontal driving cylinder 79 and the vertical driving cylinder 75 of the clamping arm driving assembly drive the two vertical clamping arms 6 to move to the ribbon feeding trough 11 along the transverse trough 12, and the pull control assembly controls the opening and closing of the upper jaws 63 at the upper ends of the vertical clamping arms 6 to clamp the ribbon which is stretched out by the second pneumatic clamp 31 and is correspondingly positioned above the ribbon feeding trough 11. After the vertical clamping arms 6 clamp and fix the ribbon, the first pneumatic clamp 21 clamps the ribbon, and then the ribbon cutting assembly acts to cut the ribbon. After the band is cut off, the first pneumatic clamp 21 clamps the rest part of the band to prevent the band from returning to the disc of the band, and the second pneumatic clamp 31 releases the band. The cut ribbon is clamped by the vertical clamping arm 6 and is transferred to the ribbon limiting groove 51 of the lower clamping claw 5 under the driving of the clamping arm driving assembly.

It should be noted that the utility model provides a design that transverse groove 12 is preferred is for the structure that is linked together with silo 11 on the ribbon, and this design can guarantee to make 6 upper ends of vertical arm lock move down to silo 11 departments on the ribbon, and the maxilla 63 that extends to silo 11 departments on the ribbon can not receive the hindrance with lower jaw 62, can accurate centre gripping ribbon, even the tensile level of ribbon is crossed low excessively, perhaps the ribbon that stretches out is just located silo 11 on the ribbon, can not influence vertical arm lock 6 clamp yet and get the ribbon. Of course, if the extension length of the upper jaw 63 and the lower jaw 62 at the upper end of the vertical clamping arm 6 to the strap feeding trough 11 is long enough, and the vertical distance between the strap through hole 23 on the fixing arm 2 and the strap feeding trough 11 can satisfy the requirement that the upper jaw 63 and the lower jaw 62 at the upper end of the vertical clamping arm 6 clamp the strap, the transverse trough 12 may not be communicated with the strap feeding trough 11.

It should be noted that, in order to ensure that the vertical clamping arms 6 can completely clamp the cut-off ribbon, the length of the stretched-out ribbon needs to be greater than the distance between the two vertical clamping arms 6.

The above examples are merely for clarity of description of specific embodiments of the present invention and are not intended to limit the embodiments of the present invention. The foundation the utility model discloses the principle can be derived and summarized other some to fixed arm 2, swing arm 4, first pneumatic clamp 21, the pneumatic clamp 31 of second, the pneumatic clamp drive assembly of second, the ribbon is decided the adjustment or the change of subassembly and ribbon transfer mechanism etc. just not enumerate one by one here. Any modification, replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a strapping feed mechanism for strapper, is including microscope carrier (1), its characterized in that: the binding belt feeding device is characterized in that a binding belt feeding groove (11) is longitudinally formed in the carrying platform (1), a fixing arm (2) is transversely arranged at the head end of the binding belt feeding groove (11), a first pneumatic clamp (21) used for clamping a binding belt to prevent the binding belt from returning is fixedly connected to the fixing arm (2), a second pneumatic clamp (31) used for longitudinally pulling out the binding belt clamped by the first pneumatic clamp (21) along the binding belt feeding groove (11) is slidably arranged at the tail end of the binding belt feeding groove (11), and a second pneumatic clamp driving assembly (3) used for driving the second pneumatic clamp (31) to horizontally and longitudinally slide is arranged on the carrying platform (1); a ribbon cutting assembly for cutting the ribbon is movably arranged on the carrying platform (1), the ribbon cutting assembly is movably arranged on one side of the first pneumatic clamp (21) facing the second pneumatic clamp (31), and a ribbon supporting piece (46) for movably supporting the ribbon to prevent the head end of the ribbon from bending and falling after the ribbon is cut is arranged on the ribbon cutting assembly; the carrying platform (1) is also provided with a lower clamping claw (5) positioned in the middle of one side of the ribbon feeding groove (11) and a ribbon transferring mechanism used for clamping the ribbon and transferring the cut ribbon to the lower clamping claw (5); the ribbon transfer mechanism comprises two vertical clamping arms (6) movably arranged on two sides of the lower clamping claw (5) and a clamping arm driving assembly used for driving the vertical clamping arms (6) to move, and two transverse grooves (12) which are used for enabling the vertical clamping arms (6) to penetrate through and move and are respectively positioned on two sides of the lower clamping claw (5) are transversely formed in the carrying platform (1).

2. The strap feeding mechanism of claim 1, wherein: the clamping arm driving assembly comprises two transverse sliding rails (72) which are transversely and fixedly arranged on the lower surface of the carrying platform (1) and are respectively positioned at two sides of the lower clamping claw (5), the two transverse sliding rails (72) are connected with a first bearing plate (74) in a sliding manner, a vertical driving air cylinder (75) is fixedly arranged on the first bearing plate (74), a piston rod of the vertical driving air cylinder (75) is connected with a second bearing plate (77) which is horizontally and longitudinally arranged and movably positioned below the transverse groove (12), the bottom end parts of the two vertical clamping arms (6) are respectively and fixedly connected with two ends of the second bearing plate (77), and the upper end parts of the two vertical clamping arms (6) respectively and movably penetrate through the transverse groove (12) to extend upwards; the lower surface of the carrying platform (1) is further fixedly provided with a horizontal driving cylinder (79) for driving the two vertical clamping arms (6) to move along the transverse groove (12), and a piston rod of the horizontal driving cylinder (79) is connected with the first bearing plate (74).

3. The strap feeding mechanism of claim 1, wherein: each vertical clamping arm (6) all includes a pipe arm (61) of hollow tubular structure, all set firmly one on the lateral wall of every pipe arm (61) upper end and to the lower jaw (62) of ribbon feeding groove (11) department horizontal extension, the top of every pipe arm (61) all movable hinge have one with lower jaw (62) cooperation use upper jaw (63), ribbon transfer subassembly still including be used for controlling upper jaw (63) swing open and shut in order to cooperate the pull wire control subassembly of lower jaw (62) centre gripping ribbon.

4. The strap feeding mechanism of claim 3, wherein: each upper jaw (63) is provided with a hinge hole (631), and two sides of each hinge hole (631) are respectively and correspondingly provided with a first stay wire insertion hole (632) and a second stay wire insertion hole (633); the bracing wire control assembly comprises two fixing plates (80) which are respectively and correspondingly positioned below the two vertical clamping arms (6), each fixing plate (80) is provided with a double-piston rod cylinder (81), piston rods on the left side and the right side of each double-piston rod cylinder (81) are respectively connected with a first bracing wire (82) and a second bracing wire (83), and clamping blocks at the head ends of the first bracing wire (82) and the second bracing wire (83) upwards penetrate through the pipe arm (61) and are respectively matched and inserted in the first bracing wire insertion hole (632) and the second bracing wire insertion hole (633); each fixing plate (80) is also provided with a plurality of wire drawing guide wheels (85) which are used for supporting and guiding the first wire drawing (82) and the second wire drawing (83) in a rotating way.

5. The strap feeding mechanism of claim 1, wherein: fixed arm (2) on the elasticity articulated have a swing arm (4), swing arm (4) be in fixed arm (2) orientation one side of second pneumatic clamp (31), its head end can be to the horizontal elasticity swing of fixed arm (2) one side, the ribbon decide the subassembly and connect on swing arm (4) and along with swing arm (4) elasticity swing.

6. The strap feeding mechanism of claim 5, wherein: the subassembly is decided to the ribbon including cut-off knife (43), cut-off knife actuating cylinder (44) and ribbon supporting piece (46), the head end in swing arm (4) is vertically connected in ribbon supporting piece (46), cut-off knife actuating cylinder (44) vertically set firmly in swing arm (4) on, the one end of cut-off knife (43) articulates the head end in swing arm (4), the other end of cut-off knife (43) articulates the piston rod head end at cut-off knife actuating cylinder (44), the cutting edge part activity subsides of cut-off knife (43) lean on in one side of ribbon supporting piece (46).

7. The strap feeding mechanism of claim 1, wherein: the second pneumatic clamp driving assembly (3) comprises a longitudinal sliding rail (33) which is longitudinally and fixedly arranged on the lower surface of the carrying platform (1) and correspondingly located on the other side of the ribbon feeding groove (11), a pneumatic clamp fixing piece (35) is connected onto the longitudinal sliding rail (33) in a sliding mode, the upper portion of the pneumatic clamp fixing piece (35) correspondingly penetrates through the ribbon feeding groove (11) upwards, the second pneumatic clamp (31) is fixedly connected to the upper portion of the pneumatic clamp fixing piece (35) and corresponds to the first pneumatic clamp (21), a second pneumatic clamp driving cylinder (36) used for driving the second pneumatic clamp (31) to move is further longitudinally and fixedly arranged on the lower surface of the carrying platform (1), and a piston rod of the second pneumatic clamp driving cylinder (36) is connected with the pneumatic clamp fixing piece (35).

8. The strap feeding mechanism of claim 1, wherein: and a band guide wheel (28) used for guiding the band to horizontally and longitudinally extend along the band feeding groove (11) is rotatably arranged on the carrying platform (1), and the band guide wheel (28) is correspondingly positioned at the head end position of the band feeding groove (11).

9. The strap feeding mechanism of claim 1, wherein: a ribbon through-hole (23) that is used for the ribbon level to vertically pass is seted up to fixed arm (2) head end, and fixed arm (2) dorsad vertically be equipped with head rod (24) and second connecting rod (25) on the lateral wall of second pneumatic clamp (31) one side, the head end of head rod (24) and second connecting rod (25) is rotated and is equipped with two and is used for supporting to press to prick and arrange in order to press running roller (26) of ribbon, two are supported and are pressed running roller (26) branch department in the upper and lower both sides of ribbon through-hole (23).

10. The strap feeding mechanism of claim 9, wherein: at least one of the first connecting rod (24) and the second connecting rod (25) is connected to the fixed arm (2) in an angle adjustable manner.