Dust-free drag chain flat cable redundant wrapping tape removing die

Abstract

The utility model belongs to the technical field of cable manufacturing, and particularly relates to a dust-free drag chain flat cable redundant wrapping tape removing die which comprises a die body, a blade, a redundant wrapping tape passing hole and a cable passing hole, the redundant wrapping tape passing hole and the cable passing hole are formed in the die body, and the axis of the cable passing hole is parallel to the axis of the redundant wrapping tape passing hole. A blade is arranged between the redundant wrapping tape passing hole and the cable passing hole on the die body, the blade is parallel to the axis of the cable passing hole, the blade is perpendicular to a connecting line section between the cable passing hole and the redundant wrapping tape passing hole, and a cutting edge of the blade protrudes out of the die body; the problem of how to avoid the situation that the outer diameters of the dust-free drag chain flat cables are inconsistent and the dust-free drag chain flat cables are scrapped due to unstable manual edge cutting is solved.

Description

Technical Field

[0001] This application belongs to the field of cable manufacturing technology, specifically a mold for removing excess wrapping tape from flat cables using a dust-free drag chain. Background Technology

[0002] Currently, industries such as smart grids, nuclear power, railways, airports, construction, home appliances, and medical equipment are booming, and the demand for wire and cable products is also expected to grow rapidly. In a vacuum environment, using cleanroom drag chain flat cables can avoid the impact of dust collection and gas release. However, during the production process, after the cleanroom drag chain flat cables emerge from the pressure rollers, the extrusion of the mold results in excess PTFE+TPU wrapping tape on both sides of the cable (e.g., ...). Figure 1 and Figure 2 As shown in the image, these excess straps need to be manually cut off with a blade. However, manual cutting is unstable, which often results in inconsistent outer diameters of the flat cables in the cleanroom cable chain and the scrapping of the flat cables. Utility Model Content

[0003] The purpose of this application is to address the shortcomings of existing technologies by designing a mold for removing excess tape from flat cables in a cleanroom cable carrier. This mold involves placing a blade between the excess tape passage hole and the cable passage hole. After the flat cable is produced, it is passed through the mold body. During the traction process, the blade cuts the flat cable and excess tape apart, thus solving the problem of inconsistent outer diameters and scrapped flat cables caused by unstable manual trimming.

[0004] To achieve the above objectives, the technical solution adopted in this application is:

[0005] A dust-free cable chain flat cable excess tape removal mold includes a mold body, a blade, excess tape passage holes, and cable passage holes. The mold body is provided with the excess tape passage holes and cable passage holes, and the axis of the cable passage holes is parallel to the axis of the excess tape passage holes. The blade is disposed on the mold body between the excess tape passage holes and the cable passage holes. The blade is parallel to the axis of the cable passage holes and perpendicular to the connecting line segment between the cable passage holes and the excess tape passage holes. The cutting edge of the blade protrudes outside the mold body.

[0006] Preferably, the blade is detachably mounted on the mold body.

[0007] Preferably, the side wall of the mold body is provided with a slot, the length line of the slot is perpendicular to the axis of the cable through hole, the length line of the slot is perpendicular to the connecting line segment between the cable through hole and the excess wrapping tape through hole, both ends of the slot penetrate the mold body, the opening direction of the slot faces outward from the mold body, the width of the blade is greater than the depth of the slot, the length of the blade is equal to the depth of the slot, the blade is placed in the slot, and the length of the blade is greater than the maximum width of the cross-section of the excess wrapping tape through hole.

[0008] Preferably, the length of the blade is equal to the length of the slot, and both ends of the blade are provided with first limiting blocks.

[0009] Preferably, the surface of the mold body is provided with expansion grooves at both ends of the slot, the projection of the slot on the surface of the mold body where the expansion grooves are provided is surrounded by the expansion grooves, the length of the blade is equal to the distance between the two expansion grooves, and a second limiting block is provided at both ends of the blade, the thickness of the second limiting block being less than or equal to the depth of the expansion groove.

[0010] Preferably, the mold body includes a first component, a second component, a third component, and a first locking device. The first component and the second component each have a hole for excess packaging tape, and the third component has a hole for cable. The third component is located between the first component and the second component. The locking device locks the first component, the second component, and the third component together. The first component and the second component each have a blade. When the first component, the second component, and the third component are combined, one side of the blade is in close contact with the hole for cable.

[0011] Preferably, the first locking device includes a screw and a nut. The first component, the second component, and the third component are all provided with a through hole. The through hole is away from the excess strap through hole and the cable through hole. The screw passes through the through hole, and the nuts are provided between the two ends of the screw on both sides of the mold body.

[0012] Preferably, the device further includes a second locking device. The first component includes a first upper part and a first lower part, the second component includes a second upper part and a second lower part, and the third component includes a third upper part and a third lower part. The first upper part and the first lower part are locked together by the second locking device, and the second upper part and the second lower part are also locked together by the second locking device. The upper half of the cable through hole is located on the third upper part, and the lower half of the cable through hole is located on the third lower part. The first upper part is provided with the upper half of the excess wrapping tape through hole of the first component, the first lower part is provided with the lower half of the excess wrapping tape through hole of the first component, the second upper part is provided with the upper half of the excess wrapping tape through hole of the second component, and the second lower part is provided with the lower half of the excess wrapping tape through hole of the second component. The first locking device locks the first upper part, the second upper part, and the third upper part together, and the third lower part is engaged with the second lower part and the first lower part.

[0013] Preferably, the third lower part has a protrusion with a non-circular cross-section on the side facing the second lower part, and the third lower part also has a protrusion with a non-circular cross-section on the side facing the first lower part. The second lower part has a groove that mates with the protrusion on the side facing the third lower part, and the first lower part also has the groove on the side facing the third lower part.

[0014] Compared with the prior art, this application has the following beneficial effects:

[0015] This application designs a mold for removing excess tape from flat cables in a cleanroom cable carrier by placing a blade between the excess tape passage hole and the cable passage hole. After the flat cable is produced, it is passed through the mold body. During the traction process, the blade cuts the flat cable and excess tape apart, thus solving the problem of inconsistent outer diameter and scrapped flat cables caused by unstable manual trimming. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a dust-free drag chain flat cable when it is first manufactured.

[0017] Figure 2 This is a schematic diagram of the structure of a dust-free cable drag chain after the strapping has been cut off.

[0018] Figure 3 This is a schematic diagram of the structure without an expansion slot in this application;

[0019] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0020] Figure 5 for Figure 3 Exploded view;

[0021] Figure 6 for Figure 5 Enlarged view of point B in the middle;

[0022] Figure 7 This is a schematic diagram of the blade structure in this application;

[0023] Figure 8 for Figure 5 The structural diagram on the right;

[0024] Figure 9 This is a schematic diagram of the structure with the expansion slot provided in this application;

[0025] Figure 10 for Figure 9 A magnified view of point C in the middle.

[0026] The components are as follows: 1. Mold body; 2. Blade; 3. Excess strapping hole; 4. Cable through hole; 5. Groove; 6. First limit stop; 7. Second limit stop; 8. Expansion groove; 9. First upper part; 10. First lower part; 11. Second upper part; 12. Second lower part; 13. Third upper part; 14. Third lower part; 15. Screw; 16. Nut; 17. Protrusion; 18. Groove; 19. Dust-free cable carrier flat cable; 20. Strapping; 21. Bolt. Detailed Implementation

[0027] like Figure 1-10 As shown, a dust-free cable chain flat cable excess tape removal mold includes a mold body 1, a blade 2, an excess tape passage hole 3, and a cable passage hole 4. The mold body 1 is provided with the excess tape passage hole 3 and the cable passage hole 4. The axis of the cable passage hole 4 is parallel to the axis of the excess tape passage hole 3. The blade 2 is provided on the mold body 1 between the excess tape passage hole 3 and the cable passage hole 4. The blade 2 is parallel to the axis of the cable passage hole 4 and perpendicular to the connecting line segment between the cable passage hole 4 and the excess tape passage hole 3. The cutting edge of the blade 2 protrudes outside the mold body 1.

[0028] In this embodiment, during use, the mold body 1 is installed on the discharge port of the machine (not shown in the figure) that manufactures the cleanroom cable flat cable 19 (while the cutting edge of the blade 2 faces the discharge port). Then, the manufactured cleanroom cable flat cable 19 can pass through the mold body 1 through the cable through hole 4. After that, a traction wheel (not shown in the figure, which is a winding wheel driven by a motor) is set on the side of the mold body 1 facing away from the machine that manufactures the cleanroom cable flat cable 19. The purpose of the traction wheel is to wind the cleanroom cable flat cable 19 that passes through the mold body 1 onto it, and at the same time provide a traction force for the cleanroom cable flat cable 19. After this installation, the cleanroom cable flat cable 19 that has not had its wrapping tape 20 cut off comes out of the discharge port of the machine that manufactures the cleanroom cable flat cable 19. First, it contacts the cutting edge of the blade 2 at the connection between the wrapping tape 20 and the cleanroom cable flat cable 19, because the cutting edge of the blade 2 protrudes outside the mold body 1. This allows the blade 2 to cut the strap 20 away from the cleanroom cable flat cable 19. The cleanroom cable flat cable 19 then passes through the mold body 1 to the other side and is fixedly connected to the circumferential surface of the traction wheel. Simultaneously, the strap 20 that has been cut away from the cleanroom cable flat cable 19 passes through the excess strap through hole 3. Then, as the cleanroom cable flat cable 19 is continuously fed out of the machine's outlet and passes through the mold body 1 towards the traction wheel, the blade 2 cuts off (removes) the strap 20 from the cleanroom cable flat cable 19. This eliminates the need for manual trimming, thus solving the problem of inconsistent outer diameters and scrapped cleanroom cable flat cables caused by unstable manual trimming.

[0029] As a preferred embodiment, the blade 2 is detachably mounted on the mold body 1. This arrangement allows for easy replacement of the blade 2 once it becomes dull.

[0030] As a preferred embodiment, the mold body 1 has a slot 5 on its side wall. The length line of the slot 5 is perpendicular to the axis of the cable through hole 4 and the length line of the slot 5 is perpendicular to the connecting line segment between the cable through hole 4 and the excess strap through hole 3. Both ends of the slot 5 penetrate the mold body 1, and the opening direction of the slot 5 faces outward from the mold body 1. The width of the blade 2 is greater than the depth of the slot 5, and the length of the blade 2 is equal to the depth of the slot 5. The blade 2 is placed inside the slot 5, and the length of the blade 2 is greater than the maximum width of the cross-section of the excess strap through hole 3, so that the blade can completely cut the strap 20 from the cleanroom cable chain flat cable 19. With this setup, the slot 5 is used to install the blade 2. Since the width of the blade 2 is greater than the depth of the slot 5, the blade edge of the blade 2 can protrude beyond the mold body 1. This allows the blade 2 to cut the wrapping tape 20 of the dust-free cable chain 19 before it enters the wire through hole 4, thus enabling the dust-free cable chain 19 to pass through the wire through hole 4 to the side of the mold body 1 facing the traction wheel. At the same time, it allows the wrapping tape 2 to pass through the excess wrapping tape through the hole 3 to enter the side of the mold body 1 facing the traction wheel, thereby avoiding the problem of the cut wrapping tape 20 accumulating at the outlet of the machine that manufactures the dust-free cable chain 19 and causing blockage.

[0031] As a preferred embodiment, the length of the blade 2 is equal to the length of the slot 5, and both ends of the blade 2 are provided with first limiting blocks 6. By setting the first limiting blocks 6, the blade 2 is prevented from moving within the slot 5 along the length direction of the slot 5, thus preventing the strapping 20 from being cut off from the cleanroom cable chain flat cable 19.

[0032] As a preferred method, such as Figure 9 and Figure 10 As shown, the surface of the mold body 1 has expansion grooves 8 at both ends of the slot 5. The projection of the slot 5 onto the surface of the mold body with the expansion grooves 8 is surrounded by the expansion grooves 8. The length of the blade 2 is equal to the distance between the two expansion grooves 8. Each end of the blade 2 has a second limiting block 7, the thickness of which is less than or equal to the depth of the expansion groove 8. The expansion grooves 18 are designed to accommodate the second limiting blocks 7, ensuring that the second limiting blocks 7 do not protrude from the surface of the mold body 1. This facilitates the installation of the mold body 1 at the discharge port of the cleanroom cable carrier flat cable 19.

[0033] In a preferred embodiment, the mold body 1 includes a first component, a second component, a third component, and a first locking device. The first and second components each have an excess strapping hole 3, and the third component has a cable passage hole 4. The third component is located between the first and second components. The locking device locks the first, second, and third components together. Both the first and second components have blades 2. When the first, second, and third components are combined, one side of the blade 2 is in close contact with the cable passage hole 4. This arrangement of the mold body 1 into three parts facilitates the cutting of different specifications of cleanroom cable chain flat cables 19, for example… Figure 2 The cleanroom cable flat cable 19 in the model is composed of five single cables. However, some cleanroom cable flat cables 19 are not necessarily composed of five single cables; some are composed of three single cables or four single cables. Therefore, by setting the mold body 1 into a combination of three parts, when the model of the cleanroom cable flat cable 19 is different, only the different third part needs to be replaced, because the third part is equipped with cable passage holes 4. Other parts such as the insert blades 2 do not need to be replaced. This reduces the cost of the mold body 1, as it avoids the need to design a separate mold body 1 for different models of cleanroom cable flat cables 19.

[0034] In a preferred embodiment, the first locking device includes a screw 15 and a nut 16. The first, second, and third components share a through hole, which is located away from the excess strap passage hole 3 and the cable passage hole 4. The screw 15 passes through the through hole, and the nuts 16 are positioned between the two ends of the screw 15 on both sides of the mold body 1. This method of locking the first, second, and third components together using the nuts 16 and screw 15 to form the mold body 1 is very convenient and allows for easy replacement of different third components depending on the type of cleanroom cable carrier flat cable 19.

[0035] In a preferred embodiment, a second locking device is also included. The first component includes a first upper part 9 and a first lower part 10, the second component includes a second upper part 11 and a second lower part 12, and the third component includes a third upper part 13 and a third lower part 14. The first upper part 9 and the first lower part 10 are locked together by the second locking device, and the second upper part 11 and the second lower part 12 are also locked together by the second locking device. The upper half of the cable through hole 4 is located on the third upper part 13, and the lower half of the cable through hole 4 is located on the third lower part 14. The first upper part 9 has the upper half of the excess strapping hole 3 on the first component, the first lower part 10 has the lower half of the excess strapping hole 3 on the first component, the second upper part 11 has the upper half of the excess strapping hole 3 on the second component, and the second lower part 12 has the lower half of the excess strapping hole 3 on the second component. The first locking device locks the first upper part 9, the second upper part 11, and the third upper part 13 together, and the third lower part 14 is engaged with the second lower part 12 and the first lower part 10. This configuration, with the first component including the first upper part 9 and the first lower part 10, the second component including the second upper part 11 and the second lower part 12, and the third component including the third upper part 13 and the third lower part 14, facilitates opening the excess strapping hole 3 and the cable passage hole 4, for example, making it easier to clean if foreign objects are attached to the inner wall of the cable passage hole 4. The second locking device is the bolt 21.

[0036] As a preferred method, such as Figure 5 and Figure 8 As shown, the third lower part 14 has a non-circular protrusion 17 on the side facing the second lower part 12, and the third lower part 14 also has a non-circular protrusion 17 on the side facing the first lower part 10. The second lower part 12 has a groove 18 on the side facing the third lower part that mates with the protrusion 17, and the first lower part 10 also has the groove 18 on the side facing the third lower part 14. Thus, through the engagement of the groove 18 and the protrusion 17, the third lower part 14 can be clamped between the first lower part 10 and the second lower part 12. The cross-section of the protrusion 17 cannot be circular to prevent the third lower part 14 from rotating after being clamped by the first lower part 10 and the second lower part 12. Preferably, the cross-section of the protrusion 17 is rectangular.

Claims

1. A dust-free cable chain flat cable excess wrapping removal mold, characterized in that, The mold body (1) includes a blade (2), an excess wrapping tape passage hole (3), and a cable passage hole (4). The excess wrapping tape passage hole (3) and the cable passage hole (4) are provided on the mold body (1). The axis of the cable passage hole (4) is parallel to the axis of the excess wrapping tape passage hole (3). The blade (2) is provided on the mold body (1) between the excess wrapping tape passage hole (3) and the cable passage hole (4). The blade (2) is parallel to the axis of the cable passage hole (4) and perpendicular to the connecting line segment between the cable passage hole (4) and the excess wrapping tape passage hole (3). The cutting edge of the blade (2) protrudes outside the mold body (1).

2. The dust-free cable chain flat cable excess wrapping removal mold according to claim 1, characterized in that, The blade (2) is detachably mounted on the mold body (1).

3. The dust-free cable chain flat cable excess wrapping removal mold according to claim 2, characterized in that, The mold body (1) has a slot (5) on its side wall. The length line of the slot (5) is perpendicular to the axis of the cable through hole (4). The length line of the slot (5) is perpendicular to the connecting line segment between the cable through hole (4) and the excess wrapping tape through hole (3). Both ends of the slot (5) penetrate the mold body (1). The opening direction of the slot (5) faces outward from the mold body (1). The width of the blade (2) is greater than the depth of the slot (5). The length of the blade (2) is equal to the depth of the slot (5). The blade (2) is placed inside the slot (5). The length of the blade (2) is greater than the maximum width of the cross-section of the excess wrapping tape through hole (3).

4. The dust-free cable chain flat cable excess wrapping removal mold according to claim 3, characterized in that, The length of the blade (2) is equal to the length of the slot (5), and both ends of the blade (2) are provided with first limiting blocks (6).

5. The dust-free cable chain flat cable excess wrapping removal mold according to claim 3, characterized in that, The surface of the mold body (1) is provided with expansion grooves (8) at both ends of the slot (5). The projection of the slot (5) on the surface of the mold body on which the expansion grooves (8) are provided is surrounded by the expansion grooves (8). The length of the blade (2) is equal to the distance between the two expansion grooves (8). The two ends of the blade (2) are provided with second limiting blocks (7). The thickness of the second limiting blocks (7) is less than or equal to the depth of the expansion grooves (8).

6. The dust-free cable chain flat cable excess wrapping removal mold according to claim 1, characterized in that, The mold body (1) includes a first component, a second component, a third component, and a first locking device. The first component and the second component each have an excess strap passage hole (3). The third component has a cable passage hole (4). The third component is located between the first component and the second component. The locking device locks the first component, the second component, and the third component together. The first component and the second component each have a blade (2). When the first component, the second component, and the third component are combined together, one side of the blade (2) is in close contact with the cable passage hole (4).

7. The dust-free cable chain flat cable excess wrapping removal mold according to claim 6, characterized in that, The first locking device includes a screw (15) and a nut (16). The first component, the second component, and the third component are provided with a through hole. The through hole is away from the excess strap through hole (3) and the cable through hole (4). The screw (15) passes through the through hole. The nut (16) is provided between the two ends of the screw (15) on both sides of the mold body (1).

8. The dust-free cable chain flat cable excess wrapping removal mold according to claim 6, characterized in that, It also includes a second locking device. The first component includes a first upper part (9) and a first lower part (10). The second component includes a second upper part (11) and a second lower part (12). The third component includes a third upper part (13) and a third lower part (14). The first upper part (9) and the first lower part (10) are locked together by the second locking device. The second upper part (11) and the second lower part (12) are also locked together by the second locking device. The upper half of the cable through hole (4) is located on the third upper part (13), and the lower half of the cable through hole (4) is located on the third lower part (14). The first upper part... (9) The upper half of the excess strap through hole (3) on the first component is provided, the lower half of the excess strap through hole (3) on the first component is provided on the first lower part (10), the upper half of the excess strap through hole (3) on the second component is provided on the second upper part (11), the lower half of the excess strap through hole (3) on the second component is provided on the second lower part (12), the first locking device locks the first upper part (9), the second upper part (11), and the third upper part (13) together, and the third lower part (14) is engaged with the second lower part (12) and the first lower part (10).

9. A dust-free cable chain flat cable excess wrapping removal mold according to claim 8, characterized in that, The third lower part (14) has a non-circular protrusion (17) on the side facing the second lower part (12), and the third lower part (14) also has a non-circular protrusion (17) on the side facing the first lower part (10). The second lower part (12) has a groove (18) that mates with the protrusion (17) on the side facing the third lower part, and the first lower part (10) also has the groove (18) on the side facing the third lower part (14).

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