CN214141042U

CN214141042U - Carrier tape reel

Info

Publication number: CN214141042U
Application number: CN202023339527.7U
Authority: CN
Inventors: 钱春锋; 张春梅
Original assignee: Wuxi Changfeng Automation Technology Co ltd
Current assignee: Wuxi Changfeng Automation Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-07
Anticipated expiration: 2030-12-31

Abstract

The application provides a carrier band reel, including rolling dish and the shelves dish of setting in rolling dish both sides, be equipped with the chucking mouth on the shelves dish, the chucking mouth includes installing port and joint mouth, installing port and joint mouth intercommunication and formation L shape, are connected with the chucking piece on two relative lateral walls on the rolling dish, and the chucking piece includes connection piece and joint piece, and the connection piece setting is on the rolling dish, and the joint piece sets up on the connection piece, leaves the space between joint piece and the rolling dish, and the chucking piece joint is in the chucking mouth, and the connection piece is located the joint mouth. The problem that the assembly speed of reel is lower has been improved to this application.

Description

Carrier tape reel

Technical Field

The application relates to the field of carrier band rolling, especially relate to a carrier band reel.

Background

The carrier tape is a strip product applied to the field of electronic packaging, has a specific thickness, holes for bearing electronic components and positioning holes for indexing and positioning are equidistantly distributed in the length direction of the carrier tape, a reel is required to be used when the carrier tape is processed, and the carrier tape is wound by the reel.

The reel usually includes spool and shelves dish, and the shelves dish sets up at the both ends of spool, through threaded connection between shelves dish and the spool, the spool is used for rolling the carrier band, and the shelves dish is used for spacing to the carrier band after the rolling.

In view of the above-mentioned related art, the inventor believes that when the reel is assembled, the shutter disk needs to be rotated for a plurality of turns to mount the shutter disk on the reel due to the threaded connection between the shutter disk and the reel, and the assembly speed of the reel is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the assembly speed of reels is lower, the application provides a carrier tape reel.

The application provides a carry belt reel adopts following technical scheme:

the utility model provides a carrier band reel, includes the rolling dish and sets up the shelves dish in rolling dish both sides, be equipped with the chucking mouth on the shelves dish, the chucking mouth includes installing port and joint mouth, and installing port and joint mouth intercommunication form L shape, are connected with the chucking piece on two relative lateral walls on the rolling dish, and the chucking piece includes connection piece and joint piece, and the connection piece setting is on the rolling dish, and the joint piece setting is on the connection piece, leaves the space between joint piece and the rolling dish, and the chucking piece joint is in the chucking mouth, and the connection piece is located the joint mouth.

Through adopting above-mentioned technical scheme, when the equipment carrier band reel, make chucking piece pass the chucking mouth, rotate shelves dish or rolling dish, change the relative position between chucking mouth and the chucking piece, make the connection piece be in the joint mouth, the joint piece is located one side of shelves dish to accomplish the high-speed joint between shelves dish and the rolling dish, compare with through threaded connection, the equipment speed of carrier band reel is higher, has improved the lower problem of equipment speed of carrier band reel.

Optionally, be equipped with the stopper on the shelves dish, stopper and joint mouth are located the homonymy of installing port, and the cross-section of stopper is right triangle, and the inclined plane of stopper sets up towards the installing port, is equipped with the latch segment on the joint piece, and the cross-section of latch segment is right triangle, and the connection piece setting is kept away from to the inclined plane orientation of latch segment, and when the chucking piece joint was in the chucking mouth, the latch segment was in the stopper and keeps away from one side of installing port, the stopper is the plastic pellet with the latch segment.

Through adopting above-mentioned technical scheme, when rotating shelves dish or rolling dish, the inclined plane of stopper is contradicted with the inclined plane of latch segment, along with the rotation of shelves dish or rolling dish, the relative position between stopper and the latch segment changes, stopper and latch segment finally stagger, make the latch segment be located the one side that the installing port was kept away from to the stopper, stopper and latch segment cooperation can be with the chucking of being connected between shelves dish and the rolling dish, avoid the chucking piece to rotate in the chucking port, lead to shelves dish and rolling dish pine to scatter.

Optionally, a through hole and a shell with an opening at one end are arranged on the blocking disc, the shell is connected to the baffle, the through hole is communicated with the opening of the shell, and the clamping opening is formed in the bottom of the shell.

Through adopting above-mentioned technical scheme, after shelves dish and rolling dish are connected, the joint piece is located the casing, has avoided the joint piece to bulge from shelves dish surface, helps protecting the joint piece.

Optionally, the rolling dish includes central siphon, disk body and wire rod, and the disk body sets up on the central siphon, and the wire rod sets up in disk body edge, and the width of wire rod is greater than the thickness of disk body, and the connection piece sets up on two relative lateral walls on the disk body, when the chucking piece joint was in the chucking mouth, formed accommodation space between rolling dish and the shelves dish, and the casing is in accommodation space, and central siphon and wire rod conflict shelves dish.

By adopting the technical scheme, after the blocking disc and the winding disc are connected, the shell is positioned between the winding disc and the blocking disc to form an accommodating space, so that the shell is accommodated, the whole volume of the carrier tape reel is reduced, and the space occupied by the carrier tape reel is saved.

Optionally, the number of the clamping pieces on two sides of the tray body is three, the clamping pieces on the same side of the tray body are in an annular array by taking the central line of the shaft tube as the center, and the clamping pieces on two sides of the tray body are arranged in a staggered mode.

By adopting the technical scheme, the clamping sheets on the same side of the tray body are in an annular array by taking the central line of the shaft tube as the center, and after the baffle disc is connected with the tray body, the connecting force between the baffle disc and the tray body can be uniformly distributed, so that the stability between the baffle disc and the tray body is improved; the clamping sheets on the two sides of the disc body are arranged in a staggered mode, and after the gear plates on the two sides of the disc body are connected, the whole connecting force of the carrier tape reel can be distributed uniformly, so that the assembled carrier tape reel is more stable.

Optionally, the tray body comprises a first forming block, a second forming block, a third forming block, a fourth forming block, a fifth forming block and a sixth forming block, the first forming block, the second forming block, the third forming block, the fourth forming block, the fifth forming block and the sixth forming block are sequentially arranged on the circumferential direction of the side wall of the shaft tube, one ends of the first forming block, the second forming block, the third forming block, the fourth forming block, the fifth forming block and the sixth forming block, which are far away from the shaft tube, are all arranged in an arc shape and connected with the plate, the first forming block, the third forming block and the fifth forming block are positioned in the same plane, the second forming block, the fourth forming block and the sixth forming block are positioned in the same plane, the first forming block and the second forming block are positioned in different planes and connected with the connecting plate, the first forming block, the second forming block, the third forming block, the fourth forming block, the fifth forming block and the sixth forming block, the connecting pieces on the first forming block, the third forming block and the fifth forming block are positioned on the same side, and the connecting pieces on the second forming block, the fourth forming block and the sixth forming block are positioned on the same side.

By adopting the technical scheme, the tray body is divided into six parts, the first forming block, the third forming block and the fifth forming block are positioned in the same plane, the second forming block, the fourth forming block and the sixth forming block are positioned in the same plane, the first forming block and the second forming block are positioned in different planes, after the baffle tray and the winding tray are assembled, the force at the joint of each clamping sheet can act on the corresponding position on the tray body, and the possibility that the force at the joint of each clamping sheet is dispersed by the whole tray body is reduced.

Optionally, the first forming block and the sixth forming block are arranged at an interval, one end of the edge coiling strip extends from the first forming block, the other end of the edge coiling strip extends from the sixth forming block and is bent towards the interval direction between the first forming block and the sixth forming block, a gap is reserved between two ends of the edge coiling strip, the sixth forming block is provided with a clamping groove, the interval part between the first forming block and the sixth forming block is communicated with the clamping groove, and the clamping groove is located between the bending part of the edge coiling strip and the sixth forming block.

Through adopting above-mentioned technical scheme, when using the carrier band reel, can insert the tip of carrier band between first shaping piece and the sixth shaping piece through the space between the wire rod both ends to fix the carrier band tip, make things convenient for the rolling of carrier band.

Optionally, a support sheet is connected to the winding disc, and two adjacent edges of the support sheet are respectively connected to the clamping sheet and the connecting sheet.

Through adopting above-mentioned technical scheme, the setting of backing sheet can improve the stability between connection piece and the joint piece, has reduced the possibility that the chucking piece takes place deformation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the carrier tape reel is assembled, the clamping sheet penetrates through the clamping opening, the blocking disc or the winding disc is rotated, the relative position between the clamping opening and the clamping sheet is changed, the connecting sheet is located in the clamping opening, and the blocking disc is located on one side of the blocking disc, so that the blocking disc and the winding disc are quickly connected;

2. when the blocking disc or the winding disc is rotated, the inclined surface of the limiting block is abutted against the inclined surface of the locking block, the relative position between the limiting block and the locking block is changed along with the rotation of the blocking disc or the winding disc, the limiting block and the locking block are finally staggered, so that the locking block is positioned on one side of the limiting block, which is far away from the mounting opening, the limiting block is matched with the locking block to tightly clamp the connection between the blocking disc and the winding disc, and the blocking disc and the winding disc are prevented from being loosened due to the rotation of the clamping sheet in the clamping opening;

3. when the carrier tape reel is used, the end part of the carrier tape can be inserted between the first forming block and the sixth forming block through a gap between two ends of the coil edge strip, so that the end part of the carrier tape is fixed, and the carrier tape is convenient to wind.

Drawings

Fig. 1 is a schematic structural diagram for embodying a carrier tape device in an embodiment of the present application.

Fig. 2 is a schematic structural diagram for embodying a winding disc in the embodiment of the present application.

Fig. 3 is an enlarged view of a portion a of fig. 2 showing the chucking opening.

Fig. 4 is a schematic structural diagram for embodying the disk body in the embodiment of the present application.

Fig. 5 is a schematic structural diagram for showing a positional relationship between the locking block and the clamping piece in the embodiment of the present application.

Fig. 6 is an enlarged view of a portion B of fig. 5 for showing a positional relationship between the support piece and the clip piece.

Fig. 7 is a schematic structural diagram for showing a positional relationship between the shaft passing hole and the shaft tube in the embodiment of the present application.

Fig. 8 is an enlarged view of the structure of the portion C in fig. 1 for embodying the chucking sheet.

Fig. 9 is a schematic structural diagram for showing a positional relationship between the locking block and the limiting block in the embodiment of the present application.

Fig. 10 is a schematic structural diagram for showing a positional relationship between the annular elastic band and the blocking disk in the embodiment of the present application.

Description of reference numerals: 1. a winding disc; 2. a gear plate; 3. a shaft hole is penetrated; 4. a fixed port; 5. a housing; 6. a clamping opening; 7. an installation port; 8. a card interface; 9. a limiting block; 10. an axle tube; 11. a tray body; 12. a plate edge strip; 13. a first molding block; 14. a second molding block; 15. a third forming block; 16. a fourth forming block; 17. a fifth forming block; 18. a sixth forming block; 19. a clamping groove; 20. a clamping sheet; 21. connecting sheets; 22. a clip sheet; 23. a support sheet; 24. a locking block; 25. a transition plane; 26. a rubber plug; 27. an endless elastic band; 28. the mouth is fabricated.

Detailed Description

The present application is described in further detail below with reference to figures 1-10.

The embodiment of the application discloses a carrier tape reel. Referring to fig. 1 and 2, the carrier tape reel includes a take-up reel 1 and stopping discs 2 disposed at both sides of the take-up reel 1, and the carrier tape reel is a plastic disc.

Referring to fig. 2 and 3, the blocking disc 2 is provided with a shaft penetrating hole 3 and three fixing ports 4, the fixing ports 4 are communicated with the shaft penetrating hole 3, the center line of the shaft penetrating hole 3 is overlapped with the center line of the blocking disc 2, and the fixing ports 4 are arranged in an annular array by taking the center of the shaft penetrating hole 3 as the center. Still be provided with through-hole and one end open-ended casing 5 on shelves dish 2, the through-hole sets up to three, the through-hole is the annular array with the center of wearing shaft hole 3 as the center, casing 5 is connected on shelves dish 2, the opening edge department and the through-hole edge connection of casing 5, casing 5 sets up with shelves dish 2 integrated into one piece, the through-hole communicates with casing 5's opening, casing 5 is the round platform shape, chucking mouth 6 has been seted up to casing 5 bottom, chucking mouth 6 includes installing port 7 and joint mouth 8, installing port 7 communicates with joint mouth 8 and forms L shape. The bottom of casing 5 is connected with stopper 9, and stopper 9 sets up with 5 integrated into one piece of casing, and stopper 9 and joint mouth 8 are located the homonymy of installing port 7, and stopper 9 is in the edge of installing port 7, and stopper 9's cross-section is right angled triangle, and stopper 9's inclined plane sets up towards installing port 7, and stopper 9 is the plastic block.

Referring to fig. 2, the winding disc 1 includes a shaft tube 10, a disc body 11 and a disc edge strip 12, the disc body 11 is disposed on the shaft tube 10, the disc body 11 and the shaft tube 10 are integrally formed, the disc edge strip 12 is disposed at an edge of the disc body 11, the disc edge strip 12 and the disc body 11 are integrally formed, and a width of the disc edge strip 12 is greater than a thickness of the disc body 11.

Referring to fig. 4, the tray body 11 includes a first forming block 13, a second forming block 14, a third forming block 15, a fourth forming block 16, a fifth forming block 17 and a sixth forming block 18, the first forming block 13, the second forming block 14, the third forming block 15, the fourth forming block 16, the fifth forming block 17 and the sixth forming block 18 are sequentially disposed on the circumferential direction of the sidewall of the shaft tube 10, the first forming block 13 and the sixth forming block 18 are spaced apart from each other to accommodate an end of the carrier tape, the first forming block 13, the second forming block 14, the third forming block 15, the fourth forming block 16, the fifth forming block 17 and the sixth forming block 18 are all disposed in an arc shape and connect the rim 12, one end of the rim 12 extends from the first forming block 13, the other end of the rim 12 extends from the sixth forming block 18 and is bent toward the spacing direction between the first forming block 13 and the sixth forming block 18, a gap is reserved between the two ends of the edge coiling strip 12, so that the end of the carrier tape can be conveniently inserted into the space between the first forming block 13 and the sixth forming block 18, a clamping groove 19 is formed in the sixth forming block 18, the space between the first forming block 13 and the sixth forming block 18 is communicated with the clamping groove 19, and the clamping groove 19 is positioned between the bending part of the edge coiling strip 12 and the sixth forming block 18, so that the end of the carrier tape can be clamped when the carrier tape is wound.

Referring to fig. 4, the first forming block 13, the third forming block 15 and the fifth forming block 17 are in the same plane, the second forming block 14, the fourth forming block 16 and the sixth forming block 18 are in the same plane, the first forming block 13 and the second forming block 14 are in different planes, the first forming block 13 and the second forming block 14 are integrally formed, the second forming block 14 and the third forming block 15 are integrally formed, the third forming block 15 and the fourth forming block 16 are integrally formed, the fourth forming block 16 and the fifth forming block 17 are integrally formed, and the fifth forming block 17 and the sixth forming block 18 are integrally formed.

Referring to fig. 4, two opposite side walls of the tray body 11 are connected with three clamping sheets 20, the clamping sheets 20 on the same side of the tray body 11 are in an annular array with the center line of the shaft tube 10 as the center, each clamping sheet 20 comprises a connecting sheet 21 and a clamping sheet 22, the connecting sheet 21 is arranged on the tray body 11, the connecting sheet 21 and the tray body 11 are integrally formed, the clamping sheets 22 are arranged on the connecting sheets 21, a gap is reserved between each clamping sheet 22 and the winding tray 1, a manufacturing opening is formed in the tray body, the manufacturing opening is opposite to the clamping sheets 22, the connecting sheet 21 is located at the edge of the manufacturing opening, the tray body 11 is connected with a support sheet 23, two adjacent sides of the support sheet 23 are respectively connected with the clamping sheets 22 and the connecting sheet 21, the support sheet 23 and the tray body 11 are integrally formed, the support sheet 23 and the clamping sheets 22 are integrally formed, and the support sheet 21 and the support sheet 23 are integrally formed. Referring to fig. 5 and 6, a locking block 24 is connected to the clamping piece 22, the locking block 24 and the clamping piece 22 are integrally formed, the section of the locking block 24 is a right triangle, the inclined surface of the locking block 24 faces away from the connecting piece 21, the inclined surface of the locking block 24 faces away from the supporting piece 23, a transition plane 25 is arranged on one side of the locking block 24 away from the clamping piece 22, and the locking block 24 is a plastic block.

Referring to fig. 4, the clamping pieces 20 on both sides of the tray body 11 are arranged alternately, and the connecting pieces 21 are connected to the first forming block 13, the second forming block 14, the third forming block 15, the fourth forming block 16, the fifth forming block 17 and the sixth forming block 18, wherein the connecting pieces 21 on the first forming block 13, the third forming block 15 and the fifth forming block 17 are on the same side, and the connecting pieces 21 on the second forming block 14, the fourth forming block 16 and the sixth forming block 18 are on the same side.

Referring to fig. 7 and 8, the clamping sheet 20 is clamped in the clamping opening 6, an accommodating space is formed between the winding disc 1 and the blocking disc 2, the shell 5 is located in the accommodating space, the shaft tube 10 and the disc edge strip 12 abut against the blocking disc 2, the central line of the shaft tube 10 coincides with the central line of the shaft penetrating hole 3, the clamping sheet 22 is located in the shell 5, referring to fig. 8 and 9, the connecting sheet 21 is located in the clamping opening 8, and the locking block 24 is located on one side of the limiting block 9 away from the mounting opening 7.

Referring to fig. 1 and 10, a rubber plug 26 for blocking the opening of the housing 5 is connected to the housing 5 by glue, and the latch piece 22 is located between the bottom of the housing 5 and the rubber plug 26 to protect the latch piece 22, so that the latch piece 22 is not easily damaged.

Referring to fig. 2 and 10, the blocking discs 2 on the two sides of the winding disc 1 are sleeved with annular elastic bands 27, the width of each annular elastic band 27 is greater than the distance between the blocking discs 2 on the two sides of the winding disc 1, the annular elastic bands 27 are tensioned by the blocking discs 2 on the two sides of the winding disc 1 and deform, the annular elastic bands 27 shield the space between the blocking discs 2 on the two sides of the winding disc 1, and the edges of the annular elastic bands 27 are tightly attached to the side walls of the blocking discs 2.

The implementation principle of the carrier tape reel in the embodiment of the application is as follows: when the carrier tape reel is assembled, the clamping sheet 20 penetrates through the mounting port 7 of the clamping port 6, the gear disc 2 or the winding disc 1 is rotated, the relative position between the clamping port 6 and the clamping sheet 20 is changed, the inclined surface of the limiting block 9 is abutted to the inclined surface of the locking block 24, along with the rotation of the gear disc 2 or the winding disc 1, the relative position between the limiting block 9 and the locking block 24 is changed, the transition plane 25 on the locking block 24 slides over the limiting block 9, the limiting block 9 and the locking block 24 are finally staggered, the locking block 24 is located on one side, far away from the mounting port 7, of the limiting block 9, the connecting sheet 21 is located in the clamping port 8, the clamping sheet 22 is located in the shell 5, the fast assembly of the carrier tape reel is completed, the assembly speed is high, and the problem that the assembly speed of the carrier tape reel.

When the carrier tape reel is used, the end part of the carrier tape is inserted between the first forming block 13 and the sixth forming block 18 through a gap between two ends of the edge coiling strip 12, the carrier tape is pulled, the clamping groove 19 is matched with the bent part of the edge coiling strip 12, and the protrusion at the end part of the carrier tape is hooked, so that the end part of the carrier tape is connected onto the carrier tape reel, and the carrier tape is convenient to wind.

After the carrier band is rolled, the annular elastic band 27 is sleeved on the blocking discs 2 on the two sides of the rolling disc 1, the edges of the annular elastic band are tightly attached to the side walls of the blocking discs 2, and the annular elastic band 27 shields the space between the blocking discs 2 on the two sides of the rolling disc 1, so that the rolled carrier band can be protected, and the possibility that impurities or dust fall on the carrier band is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a carrier band reel, includes rolling dish (1) and shelves dish (2) of setting in rolling dish (1) both sides, its characterized in that: be equipped with chucking mouth (6) on shelves dish (2), chucking mouth (6) are including installing port (7) and joint mouth (8), installing port (7) and joint mouth (8) intercommunication and form L shape, be connected with chucking piece (20) on two relative lateral walls on rolling dish (1), chucking piece (20) are including connection piece (21) and joint piece (22), connection piece (21) set up on rolling dish (1), joint piece (22) set up on connection piece (21), leave the space between joint piece (22) and rolling dish (1), chucking piece (20) joint is in chucking mouth (6), connection piece (21) are located joint mouth (8).

2. The carrier tape spool of claim 1, wherein: be equipped with stopper (9) on shelves dish (2), stopper (9) are located the homonymy of installing port (7) with joint mouth (8), and the cross-section of stopper (9) is right triangle, and the inclined plane of stopper (9) sets up towards installing port (7), is equipped with latch segment (24) on latch segment (22), and the cross-section of latch segment (24) is right triangle, and connection piece (21) setting is kept away from to the inclined plane orientation of latch segment (24), and when chucking piece (20) joint was in chucking mouth (6), one side that installing port (7) were kept away from in stopper (9) is in latch segment (24), stopper (9) are the plastic pellet with latch segment (24).

3. The carrier tape spool of claim 1, wherein: the baffle plate is characterized in that a through hole and a shell (5) with an opening at one end are arranged on the baffle plate (2), the shell (5) is connected onto the baffle plate, the through hole is communicated with the opening of the shell (5), and a clamping opening (6) is formed in the bottom of the shell (5).

4. The carrier tape spool of claim 3, wherein: wind-up dish (1) includes central siphon (10), disk body (11) and wire rod (12), disk body (11) set up on central siphon (10), wire rod (12) set up in disk body (11) edge, and the width of wire rod (12) is greater than the thickness of disk body (11), connection piece (21) set up on disk body (11) relative two lateral walls, when chucking piece (20) joint is in chucking mouth (6), form accommodation space between wind-up dish (1) and shelves dish (2), casing (5) are in accommodation space, central siphon (10) and wire rod (12) conflict shelves dish (2).

5. The carrier tape spool of claim 4, wherein: the number of the clamping sheets (22) on two sides of the tray body (11) is three, the clamping sheets (20) on the same side of the tray body (11) are in an annular array by taking the central line of the shaft tube (10) as the center, and the clamping sheets (20) on two sides of the tray body (11) are arranged in a staggered mode.

6. The carrier tape spool of claim 5, wherein: the disc body (11) comprises a first forming block (13), a second forming block (14), a third forming block (15), a fourth forming block (16), a fifth forming block (17) and a sixth forming block (18), the first forming block (13), the second forming block (14), the third forming block (15), the fourth forming block (16), the fifth forming block (17) and the sixth forming block (18) are sequentially arranged on the circumferential direction of the side wall of the axle tube (10), one ends of the first forming block (13), the second forming block (14), the third forming block (15), the fourth forming block (16), the fifth forming block (17) and the sixth forming block (18) far away from the axle tube (10) are all arranged in an arc shape and form the edge strip (12), the first forming block (13), the third forming block (15) and the fifth forming block (17) are in the same plane, the second forming block (14), the fourth forming block (16) and the sixth forming block (18) are in the same plane, the first forming block (13) and the second forming block (14) are located in different planes, the connecting piece (21) is connected to the first forming block (13), the second forming block (14), the third forming block (15), the fourth forming block (16), the fifth forming block (17) and the sixth forming block (18), the connecting pieces (21) on the first forming block (13), the third forming block (15) and the fifth forming block (17) are located on the same side, and the connecting pieces (21) on the second forming block (14), the fourth forming block (16) and the sixth forming block (18) are located on the same side.

7. The carrier tape spool of claim 6, wherein: the device is characterized in that the first forming block (13) and the sixth forming block (18) are arranged at intervals, one end of the edge coiling strip (12) extends out of the first forming block (13), the other end of the edge coiling strip (12) extends out of the sixth forming block (18) and bends towards the interval direction between the first forming block (13) and the sixth forming block (18), a gap is reserved between two ends of the edge coiling strip (12), a clamping groove (19) is formed in the sixth forming block (18), the interval part between the first forming block (13) and the sixth forming block (18) is communicated with the clamping groove (19), and the clamping groove (19) is located between the bending part of the edge coiling strip (12) and the sixth forming block (18).

8. The carrier tape spool of claim 1, wherein: the winding disc (1) is connected with a supporting sheet (23), and two adjacent edges of the supporting sheet (23) are respectively connected with a clamping sheet (22) and a connecting sheet (21).