CN210284724U - Material belt packaging machine capable of accurately relaying and positioning - Google Patents

Abstract

The utility model provides a material belt packaging machine with accurate relay positioning, which comprises a feeding mechanism, a conveying mechanism, a relay positioning mechanism and a material belt conveying mechanism, wherein the feeding mechanism is provided with a material tray placing position, the conveying mechanism comprises a conveying traversing device and a suction assembly, the suction assembly comprises a suction unit, the relay positioning mechanism comprises a positioning driving device, fixed block and free piece, the fixed block is provided with a plurality of relay positioning grooves, the relay positioning groove is provided with the location wall, the free piece of location drive moves towards or keeps away from first location wall, form the precision positioning chamber between first location wall and the second location wall, material area conveying mechanism includes that the material area is placed the position, the suction head respectively with the relay positioning groove, the setting is corresponded to in precision positioning chamber position, remove the sideslip device drive and absorb the installing support and put the position at the charging tray, first relay positioning groove and material area are put and are removed between the position. The design of relay positioning can improve the transfer stability of the electronic element, and the material belt transfer is stably and efficiently carried out.

Description

Material belt packaging machine capable of accurately relaying and positioning

Technical Field

The utility model relates to a equipment for packing field especially relates to a material area packagine machine of accurate relay location.

Background

General electronic component places after production and transports on the charging tray, and the charging tray generally is the rectangle and arranges, is provided with the position of placing that a plurality of ranks arranged in line on the charging tray, because electronic component places after the mould preparation on this position of placing, the space of general position of placing is great in order to improve the fault-tolerance to and place the interval between the position also great.

And electronic component still need shift and place and pack the rolling in the material area that has the material loading groove to obtain the finished product, and some existing equipment adopt automation equipment with electronic component on the charging tray directly shift to the material area, because the position interval of placing of charging tray is different with the material loading groove interval in material area, and different electronic component's size also exists differently, so when actually shifting, electronic component misplaces easily when placing the material loading groove, thereby influences packing stability and packing efficiency.

In addition, a cover film on the material belt is needed to seal the material carrying groove, while the cover film is directly welded in the prior art, but dust on the material belt, dust on the material carrying groove and dust on the electronic element all affect the adhesion and stability of the film, and particularly after winding, the film is easily separated locally, so that the electronic element is separated and falls off.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a material area packagine machine that electronic component accurate relay location shifted.

In order to realize the purpose of the utility model, the utility model provides a material belt packaging machine with accurate relay positioning, which comprises a feeding mechanism, a conveying mechanism, a relay positioning mechanism and a material belt conveying mechanism, wherein the feeding mechanism is provided with a material plate placing position, the conveying mechanism comprises a conveying traversing device and a suction assembly, the suction assembly comprises a first suction unit, a second suction unit and a suction mounting bracket, the first suction unit comprises a plurality of first suction heads, the second suction unit comprises a plurality of second suction heads, the plurality of first suction heads and the plurality of second suction heads are both arranged on the suction mounting bracket, the relay positioning mechanism comprises a positioning driving device, a fixed block and a free block, the fixed block is provided with a plurality of first relay positioning grooves, the first relay positioning grooves are provided with first positioning walls, the free block is provided with second positioning walls, the positioning driving device drives the free block to move and enables the second positioning walls to move towards or to move away from the first positioning walls, form the precision location chamber between first location wall and the second location wall, material area conveying mechanism includes the conveyer trough, and the conveyer trough is provided with the material area and places the position, and a first head of absorbing corresponds the setting with a first relay location groove position, and a second is absorb the head and corresponds the setting with a precision location chamber position, removes and removes the sideslip device drive and absorbs the installing support and remove between material tray place position, first relay location groove and material area place the position.

It is thus clear that by above-mentioned scheme, place the position and the material area through placing between the position at the charging tray and set up relay positioning mechanism, and relay positioning mechanism carries out the precision positioning through first location wall and mobilizable second location wall for first absorption unit is with electronic component extensive put at first relay constant head tank, then through the precision positioning, recycle second absorption unit will fix a position the electronic component after place the material area on, so can improve electronic component's transfer stability, not only stably and carry out the material area with high efficiency and shift.

Further, the free piece is provided with a plurality of second relay positioning grooves, the second positioning walls are provided at the second relay positioning grooves, and openings of the second relay positioning grooves are arranged opposite to openings of the first relay positioning grooves.

In a further aspect, the second positioning wall is movable into a first relay positioning slot, and the first relay positioning slot is located in a second relay positioning slot.

It is thus clear that through two relative relay constant head tanks, when electronic component placed the relay constant head tank, can improve and place the fault-tolerance, the inslot removes the more unidimensional electronic component that also can the adaptation in the inslot, or the position is placed to the charging tray of different charging trays.

According to a further scheme, the first positioning wall comprises a first bottom wall and a first side wall which are connected, the second positioning wall comprises a second bottom wall and a second side wall which are connected, the first bottom wall is opposite to the second bottom wall, the first side wall is opposite to the second side wall, and a precision positioning cavity is defined by the first bottom wall, the first side wall, the second bottom wall and the second side wall.

Therefore, the electronic element is positioned through the four walls simultaneously, and the positioning accuracy of the electronic element is effectively improved.

According to a further scheme, a first limiting inclined plane is arranged at the end part of the first side wall, a second limiting inclined plane is arranged at the end part of the second side wall, and the first limiting inclined plane is parallel to the second limiting inclined plane.

According to a further scheme, an acute included angle is formed between the moving direction of the free block and the first bottom wall, and an acute included angle is formed between the moving direction of the free block and the first side wall.

From top to bottom, through the cooperation on spacing inclined plane for first location wall can be the sharp relative with the second location wall, and can also adopt the moving direction of free block to be the removal of slope, and single moving direction realizes the while location of diapire and lateral wall.

According to a further scheme, the relay positioning mechanism further comprises a placing plate, the fixed block and the free block are arranged on the placing plate, the free block moves on the placing plate, and a precision positioning cavity is formed among the placing plate, the first side wall and the second side wall.

From the above, it can be seen that the electronic components are supported by the placing plate, and the fixed blocks and the free blocks are supported, so that the positioning stability and the placing stability of the electronic components are improved.

In a further aspect, a first spacing distance between two adjacent first suction heads is greater than a second spacing distance between two adjacent second suction heads.

It is thus clear that the electronic component who absorbs different stations department is come to the correspondence through the head that absorbs of different intervals, and first absorption head is used for absorbing the electronic component who shifts great interval promptly, and the second is absorbed the head and is used for absorbing the electronic component who shifts less interval to guarantee that electronic component is accurate the shifting between the position of placing in different clearances.

According to a further scheme, the conveying mechanism further comprises a first suction lifting device and a second suction lifting device, the first suction lifting device and the second suction lifting device are arranged on the suction mounting support, the first suction lifting device is connected with the first suction unit and drives the first suction unit to lift in the vertical direction, and the second suction lifting device is connected with the second suction unit and drives the second suction unit to lift in the vertical direction.

According to a further scheme, the plurality of first suction heads and the plurality of second suction heads are linearly arranged along the first arrangement direction; the plurality of precision positioning cavities are linearly arranged along a second arrangement direction, and the first arrangement direction is parallel to the second arrangement direction; the conveying and traversing device drives the suction mounting bracket to move along a traversing direction, and the traversing direction is vertical to the first arrangement direction.

From top to bottom, through elevating gear's setting to the process of electronic component is absorb in the optimization, thereby improves and absorbs and shift the operation stability, utilizes the perpendicular setting of range direction and sideslip direction simultaneously, thereby can improve transfer efficiency and work efficiency, and is favorable to the simplification that equipment arranged.

Drawings

Fig. 1 is a structural diagram of the embodiment of the material strip packaging machine of the present invention.

Fig. 2 is a structural diagram of the tape packing machine according to another view angle of the present invention.

Fig. 3 is a structural diagram of the feeding mechanism and the carrying mechanism in the embodiment of the material tape packing machine of the present invention.

Fig. 4 is a structural diagram of a feeding mechanism in another view angle in an embodiment of the material tape packing machine of the present invention.

Fig. 5 is an exploded view of the relay positioning mechanism in the embodiment of the material tape packing machine of the present invention.

Fig. 6 is a structural diagram of the positioning mechanism in the placement state in the embodiment of the material tape packing machine of the present invention.

Fig. 7 is a matching structure diagram of the relay positioning mechanism, the second suction unit and the material belt conveying mechanism in the embodiment of the material belt packaging machine of the present invention.

Fig. 8 is a schematic diagram of the first suction unit, the tray, the second suction unit and the relay positioning mechanism in the embodiment of the material tape packing machine of the present invention.

Fig. 9 is a structural diagram of the material belt conveying mechanism, the dust suction mechanism and the film sticking mechanism in the embodiment of the material belt packaging machine of the present invention.

Fig. 10 is an exploded view of the material belt conveying mechanism, the dust suction mechanism and the film sticking mechanism in the embodiment of the material belt packaging machine of the present invention.

Fig. 11 is a sectional view of the material belt conveying mechanism, the dust suction mechanism and the film sticking mechanism in the embodiment of the material belt packaging machine of the present invention.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

Referring to fig. 1 and 2, the tape packaging machine 1 includes a feeding mechanism 2, a conveying mechanism 3, a relay positioning mechanism 4, a tape conveying mechanism 5, a dust suction mechanism 61, a film sticking mechanism 6, and a tray recovery mechanism 7. The mechanisms are all arranged on the working table surface 11.

Referring to fig. 3 and 4, feed mechanism 2 is provided with the charging tray and places the position, and the charging tray is placed the position and is included feed preparation district and material loading district, and feed preparation district and material loading district all are used for placing piled charging tray 20, and feed preparation district and material loading district communicate each other, are provided with ejector pad 23 in the feed preparation district, and ejector pad 23 is used for lateral shifting to push away piled charging tray 20 to the material loading district, and is provided with stopper 22 in both sides, and stopper 22 spanes feed preparation district and material loading district. Be provided with three limit baffle 25 in the material loading district, limit baffle 25 is located both sides and tip respectively, and is provided with plummer 211 and drive arrangement 21 in the bottom, and drive arrangement 21 can adopt conventional drive modes such as gas pole, liquid pole, and the cooperation mode drive plummer 211 lift removal that adopts motor and drive belt in this embodiment to realize the material loading function. And the upper portion of the limit baffle 25 is provided with a transverse pushing mechanism 24, the transverse pushing mechanism 24 pushes the material tray 20 transversely towards the limit baffle 25 on the other side under the driving action of the driving device and the transverse pushing block, so that the position calibration of the material tray 20 can be realized, and the absorption precision of electronic elements is improved.

The conveying mechanism 3 comprises a conveying transverse device 37, a transverse support 38, a first suction lifting device 35, a second suction lifting device 36 and a suction assembly, the suction assembly comprises a first suction unit 31, a second suction unit 32 and a suction mounting support 36, the first suction unit 31 comprises a plurality of first suction heads, the second suction unit 32 comprises a plurality of second suction heads, the first suction heads and the second suction heads are all arranged in a straight line along a first arrangement direction, the first suction heads are mounted on a driving end of the first suction lifting device 35 through supports, the first suction lifting device 35 is arranged on the suction mounting support 36, the second suction heads are mounted on the driving end of the second suction lifting device 36 through a mounting box 33, pipelines are arranged in the mounting box 33 and are provided with interfaces and respectively connected with the suction heads, the first suction lifting device 35 is connected with the first suction unit 31 and drives the first suction unit 31 to lift in a vertical direction, the second suction lifting device 36 is connected to the second suction unit 32 and drives the second suction unit 32 to lift in the vertical direction.

The transverse moving support 38 is fixedly arranged on the working table 11, the conveying transverse moving device 37 is arranged on the transverse moving support 38, the conveying transverse moving device 37 comprises a transverse moving driving motor, a transmission belt, a guide rail and a slide block, the transverse moving driving motor drives the transmission belt to move, and the slide block is connected with the transmission belt so as to move along the guide rail. The suction mounting bracket 36 is connected to the slider, so that the conveyance traverse 37 drives the suction mounting bracket 36 to move in the traverse direction, which is perpendicular to the first arrangement direction.

Referring to fig. 5 to 7, in conjunction with fig. 3, the relay positioning mechanism 4 includes a positioning driving device 44, a fixed block 41, a free block 42, a mounting bracket 46 and a placing plate 43, the mounting bracket 46 is disposed on the working platform 11, the placing plate 43 is mounted on the mounting bracket 46, the placing plate 43 is horizontally placed, the placing plate 43 is penetratingly provided with a sliding hole 431, the fixed block 41 and the free block 42 are both disposed at an upper surface of the placing plate 43, the positioning driving device 44 is fixed at a lower surface of the placing plate 43, a driving end of the positioning driving device 44 is connected with a sliding block 45, the sliding block 45 passes through the sliding hole 431 and is connected with the free block 42, and then the positioning driving device 44 drives the free block 42 to move.

The fixing block 41 is provided with a plurality of first relay positioning grooves 411, the plurality of first relay positioning grooves 411 are linearly arranged along the second arrangement direction, the first relay positioning grooves 411 are provided with first positioning walls, each first positioning wall comprises a first bottom wall 412 and two first side walls 413 which are connected, the first bottom wall 412 is perpendicular to the first side walls 413, one first side wall 413 is shared by two adjacent first relay positioning grooves 411, the first relay positioning grooves 411 are provided with openings on the opposite sides of the first bottom walls 412, and the end parts of the first side walls 413 are provided with first limiting inclined surfaces 414.

The free block 42 is provided with a plurality of second relay positioning grooves 421, the structures of the second relay positioning grooves 421 and the first relay positioning grooves 411 are arranged opposite to the ground, the plurality of second relay positioning grooves 421 are arranged in a straight line along the second arrangement direction, the second relay positioning grooves 421 are provided with second positioning walls, each second positioning wall comprises a second bottom wall 422 and two second side walls 423, the second bottom walls 422 are connected with the second side walls 423 in a perpendicular manner, two adjacent second relay positioning grooves 421 share one second side wall 423, the second relay positioning grooves 421 have openings on the opposite sides of the second bottom walls 422, and the ends of the second side walls 423 are provided with second limit inclined surfaces 424. The first limit inclined surface 414 is parallel to the second limit inclined surface 424, and the opening of the second relay positioning slot 421 is arranged opposite to the opening of the first relay positioning slot 411.

The positioning driving device 44 drives the free block 42 to move along the moving direction, and moves the second positioning wall toward or away from the first positioning wall, a precision positioning cavity 401 is formed between the first positioning wall and the second positioning wall, specifically, the first side wall 413 and the second side wall 423 move relatively, the first bottom wall 412 and the second bottom wall 422 move relatively, an acute included angle is formed between the moving direction of the free block 42 and the first bottom wall 412, an acute included angle is formed between the moving direction of the free block 42 and the first side wall 413, and the moving direction is parallel to the first limiting inclined surface 414. The placing plate 43, the first side wall 413 and the second side wall 423 form a precision positioning cavity 401 therebetween, and the precision positioning cavity 401 is used for placing an electronic component.

Referring to fig. 8, and with reference to fig. 3, 6, and 7, a first suction head is disposed corresponding to a first relay positioning slot 411, a second suction head is disposed corresponding to a precision positioning cavity 401, a first spacing distance L1 between two adjacent first suction heads is greater than a second spacing distance L2 between two adjacent second suction heads, and a pitch of material loading slots of a tray is also greater than a pitch of placing slots 501 of a material tape 50, that is, the first suction unit 31 transfers coarse precision to electronic components, and the second suction unit 32 transfers fine precision to electronic components.

In the precise positioning, the free block 42 is firstly moved away from the fixed block 41, namely, the position shown in fig. 6, the first side wall 413 and the second side wall 423 are opposite along a straight line, and the larger precise positioning cavity 401 is transferred and placed in the precise positioning cavity 401 by sucking the electronic components from the tray 20 with the coarse electronic components, namely, the first sucking unit 31.

Subsequently, the free block is moved obliquely, the second side wall 423 is moved into the first relay positioning groove 411, and a part of the first relay positioning groove 411 is located in the second relay positioning groove 421, so that the reduction of the precision positioning chamber 401 is realized, thereby reducing the pitch of the electronic components.

Then, the precisely positioned electronic components are sucked by the second suction unit 32, and since the carrying traverse device 37 drives the suction mounting bracket 36 to move among the tray placing position, the first relay positioning groove 411, and the tape placing position, the second suction unit 32 can transfer the plurality of electronic components to the target placing position of the tape conveying mechanism 5. And a plurality of precision positioning chamber 401 arranges along the second direction of arrangement straight line, and first direction of arrangement is parallel with the second direction of arrangement, and it is favorable to improving transfer efficiency.

Referring to fig. 9 to 11, the material tape conveying mechanism 5 includes a conveying groove 511, the conveying groove 511 is provided with a material tape placing position, the material tape placing position is used for placing the material tape, the material tape placing position is sequentially provided with a target placing position, a dust collection position, a film access position and a hot melting position along a material tape advancing direction, and the conveying groove 511 is arranged along a straight line and is respectively provided with a material tape roll to be packaged and a recovery material tape roll at both ends.

The conveying groove 511 is provided on the conveying base 51, the conveying base 51 is fixedly provided on the table top 11, the conveying groove 511 is provided with the limiting plates 52 on both sides in the traveling direction of the material strip, the limiting plates 52 are provided with the limiting portions 521, the limiting portions 521 extend out toward the conveying groove 511, and a communication port is provided between the two limiting portions 521.

The dust collection mechanism 61 is arranged at a dust collection position, the dust collection mechanism 61 comprises a dust collection mounting block 611, two suction heads 612 and a partition plate 614, the partition plate 614 is provided with a plurality of air holes 615, the air holes 615 are arranged in a strip shape, the extending direction of the air holes 615 is perpendicular to the advancing direction of the material strip, the partition plate 614 is arranged on the two limiting plates 52, and the partition plate 614 covers the dust collection position of the conveying groove 511.

The dust suction mounting block 611 is provided with at least two dust suction mounting holes 613 and two dust suction holes 616 in a penetrating and communicating manner, the diameter of the dust suction holes 616 is larger than that of the dust suction mounting holes 613, the dust suction holes 616 are positioned below the dust suction mounting holes 613, the two suction heads 612 are correspondingly arranged in the two dust suction mounting holes 613, the two suction heads 612 are arranged along the advancing direction of the material strip, the dust suction mounting block 611 is arranged on the partition plate 614, the dust suction holes 616 are communicated with the air holes 615, and the outer wall of the dust suction holes 616 surrounds the outer side of the air holes 615. The suction head 612 is positioned above the partition 614.

When the material belt is transported on the conveying groove 511, the limiting parts 521 limit the two sides of the material belt 50, the placing groove 501 of the material belt is opposite to the communication port, and the suction head 612 is communicated with the placing groove 501 and the peripheral surface thereof through the dust suction hole 616, the air holes 615 and the communication port. When the suction head 612 is attached to the vacuum negative pressure apparatus, it is possible to suck dust from the placing groove 501 and the outer peripheral surface of the placing groove 501, and the electronic components are held in the placing groove 501 by the partition 614.

The film sticking mechanism 6 comprises a hot melting device 65 and a film guide block 64, the film guide block 64 is arranged on a film access position, the hot melting device 65 is arranged on a hot melting position, the film guide block 64 is provided with a guide cambered surface 641, a strip-shaped film roll 62 is arranged above the film guide block 64, a plurality of rotary rollers 63 capable of rotating automatically are further arranged between the film roll 62 and the film guide block 64, and a film 60 on the film roll 62 is input to the upper side of the material belt 50 after passing through the rotary rollers 63 and the guide cambered surface 641 and covers the placing groove 501. Then input to hot melting device 65 department, hot melting device 65 adopts the hot pressing head, still is connected with elevating gear on the hot melting device 65, and elevating gear can carry out lifting drive to hot melting device 65, and when hot melting device 65 hot pressing down, will realize that the film laminating is on the material area.

The material belt conveying mechanism 5 further comprises a material pulling assembly, the material pulling assembly is located at the down flow of the hot melting device 65 based on the advancing direction of the material belt, the material pulling assembly comprises a material pulling driving device 669, a material pulling wheel 665 and a material pressing wheel 63, the material pulling wheel 665 and the material pressing wheel 63 are arranged at the down flow of the hot melting position based on the advancing direction of the material belt, a plurality of driving salient points 666 are arranged on the periphery of the material pulling wheel 665, the material pulling wheel 665 is further provided with a avoiding groove 667 and a bearing table 668, the avoiding groove 667 and the bearing table 668 are arranged along the circumferential extension, and the driving salient points 666 and the bearing table 668 are located on the two sides of the avoiding groove 667 in the axial direction

Draw the material subassembly and still include articulated support 662, the swage wheel 63 rotationally sets up on articulated support 662, articulated support 662 is provided with articulated portion 663, articulated portion 663 is located the outside of swage wheel 63, draw material wheel 665 and swage wheel 63 and be relative arrangement from top to bottom and can form clamping action to the material area of passing between it, draw material drive arrangement 669 and can adopt motor drive, draw material drive arrangement 669 drive and draw material wheel 665 to rotate, and material area 50 is provided with a plurality of drive holes 502 at the lateral part of standing groove 501, a plurality of drive holes 502 extend along the extending direction in material area, make drive bump 666 and drive hole 502 cooperate, then realize material area walking drive.

In addition, a camera 82 and a fault-catching mechanism 81 are further arranged between the dust collection position and the target placement position, the camera 82 is located above the material belt to detect images of the electronic components, the fault-catching mechanism 81 can rotate transversely and is provided with a suction head 811, and when the electronic components are found to be in a problem or the position of the transfer position is found to be in a problem, the fault-catching mechanism 81 can suck the electronic components and transfer the electronic components to a placement frame 812 located on one side.

Furthermore, the relay positioning mechanism has multiple positioning modes, the placing plate can be eliminated, the electronic element is directly loaded in the middle-stage positioning groove of the fixing block, and the electronic element is further limited and positioned by utilizing free blocks in multiple or different moving directions.

It is from top to bottom visible, place the position and the material area through placing the position at the charging tray and set up relay positioning mechanism, and relay positioning mechanism carries out the precision positioning through first location wall and mobilizable second location wall for first absorption unit is with electronic component extensive put at first relay constant head tank, then through the precision positioning, recycle the second absorb the electronic component after the unit will fix a position place the material area on, so can improve electronic component's transfer stability, not only stably and carry out the material area with high efficiency and shift.

And, through set up the dust absorption position before film access position and hot melt position, close and the suction of suction head through the baffle lid, when seeing through the bleeder vent and absorb the dust, utilize the baffle to carry on spacingly to electronic component, make electronic component stop the material carrying groove in material area, the material area after the cleaning covers the film again and carries out the hot melt to effectively improve the laminating stability of film. Carry on spacingly through spacing portion to the material area, and the intercommunication mouth then with carry the silo intercommunication, so can be in the dust absorption, carry out spacing fixed to the material area, place and be inhaled. The dust absorption effect is improved through the air holes, the two sides of the material belt are mainly used for absorbing dust, and the two sides of the material belt are in hot melting connection with the thin film, so that the welding effect can be improved. The outer sides of the air holes are sealed through the dust collection mounting holes, and the arrangement of the large dust collection holes is adopted, so that the dust collection effect can be greatly improved, and the stability of the film can be further improved. Carry on spacingly through spacing portion to the material area, and the intercommunication mouth then with carry the silo intercommunication, so can be in the dust absorption, carry out spacing fixed to the material area, prevent to be sucked up. The dust absorption effect is improved through the air holes, the two sides of the material belt are mainly used for absorbing dust, and the two sides of the material belt are in hot melting connection with the thin film, so that the welding effect can be improved. The outer sides of the air holes are sealed through the dust collection mounting holes, and the arrangement of the large dust collection holes is adopted, so that the dust collection effect can be greatly improved, and the stability of the film can be further improved. The material belt holes are driven to advance through the driving convex points, the material belt is clamped by the pressing wheels and the pulling wheels, stable clamping and rotation driving can be achieved, the material carrying grooves are avoided by the avoiding grooves, the other side of the material belt holes is supported by the carrying table, walking stability is further improved, the material belt holes can be matched with the material belt holes in different sizes, and universality of equipment is improved.

Claims (10)

1. A material strip packaging machine with accurate relay positioning, comprising:

the feeding mechanism is provided with a material tray placing position;

the conveying mechanism comprises a conveying traversing device and an absorbing assembly, the absorbing assembly comprises a first absorbing unit, a second absorbing unit and an absorbing mounting bracket, the first absorbing unit comprises a plurality of first absorbing heads, the second absorbing unit comprises a plurality of second absorbing heads, and the first absorbing heads and the second absorbing heads are arranged on the absorbing mounting bracket;

the relay positioning mechanism comprises a positioning driving device, a fixed block and a free block, the fixed block is provided with a plurality of first relay positioning grooves, the first relay positioning grooves are provided with first positioning walls, the free block is provided with second positioning walls, the positioning driving device drives the free block to move and enables the second positioning walls to move towards or away from the first positioning walls, and a precision positioning cavity is formed between the first positioning walls and the second positioning walls;

the material belt conveying mechanism comprises a conveying groove, and the conveying groove is provided with a material belt placing position;

one first suction head is arranged corresponding to one first relay positioning groove in position, one second suction head is arranged corresponding to one precision positioning cavity in position, and the conveying and traversing device drives the suction mounting bracket to move among the material tray placing position, the first relay positioning groove and the material belt placing position.

2. The tape wrapping machine of claim 1, wherein:

the free block is provided with a plurality of second relay positioning grooves, the second positioning walls are provided at the second relay positioning grooves, and openings of the second relay positioning grooves are arranged opposite to openings of the first relay positioning grooves.

3. The tape wrapping machine of claim 2, wherein:

the second locating wall is movable into the first relay locating slot, which may be located in the second relay locating slot.

4. The tape wrapping machine of claim 3, wherein:

the first positioning wall comprises a first bottom wall and a first side wall which are connected, the second positioning wall comprises a second bottom wall and a second side wall which are connected, the first bottom wall is opposite to the second bottom wall, the first side wall is opposite to the second side wall, and the first bottom wall, the first side wall, the second bottom wall and the second side wall form the precision positioning cavity in a surrounding mode.

5. The tape wrapping machine of claim 4, wherein:

the end part of the first side wall is provided with a first limiting inclined plane, the end part of the second side wall is provided with a second limiting inclined plane, and the first limiting inclined plane is parallel to the second limiting inclined plane.

6. The tape wrapping machine of claim 4, wherein:

the moving direction of the free block and the first bottom wall form an acute included angle, and the moving direction of the free block and the first side wall form an acute included angle.

7. The tape wrapping machine of claim 2, wherein:

the relay positioning mechanism further comprises a placing plate, the fixed block and the free block are arranged on the placing plate, the free block moves on the placing plate, and the precision positioning cavity is formed among the placing plate, the first side wall and the second side wall.

8. The tape wrapping machine of any one of claims 1 to 7, wherein:

a first spacing distance between two adjacent first suction heads is larger than a second spacing distance between two adjacent second suction heads.

9. The tape wrapping machine of claim 8, wherein:

the carrying mechanism further comprises a first sucking lifting device and a second sucking lifting device, the first sucking lifting device and the second sucking lifting device are arranged on the sucking mounting support, the first sucking lifting device is connected with the first sucking unit and drives the first sucking unit to lift along the vertical direction, and the second sucking lifting device is connected with the second sucking unit and drives the second sucking unit to lift along the vertical direction.

10. The tape wrapping machine of claim 9, wherein:

the plurality of first suction heads and the plurality of second suction heads are all arranged in a straight line along a first arrangement direction;

the plurality of precision positioning cavities are linearly arranged along a second arrangement direction, and the first arrangement direction is parallel to the second arrangement direction;

the conveying traversing device drives the absorbing mounting bracket to move along a traversing direction, and the traversing direction is vertical to the first arrangement direction.

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