Automatic cutting device for carrier tape

Abstract

The utility model relates to an automatic cutting device for a carrier tape, which comprises a cutting mechanism and a conveying mechanism for conveying the carrier tape into the cutting mechanism, the cutting mechanism comprises a first driving unit, two supporting plates symmetrically arranged on the two sides of the first driving unit, a lower cutter detachably connected with the first driving unit, a heating unit arranged on the lower cutter and an upper cutter fixed between the supporting plates, and the upper cutter and the lower cutter are oppositely arranged. The first driving unit can drive the lower cutter to be close to or away from the upper cutter. The utility model solves the problems of abnormal slitting of the carrier tape and abrasion of the cutter.

Description

Technical Field

[0001] The utility model relates to the field of carrier tape production equipment, in particular to an automatic carrier tape cutting device. Background Art

[0002] A carrier tape is a strip-shaped product applied in the field of electronic packaging, usually used for packaging electronic component products such as capacitors, resistors, etc., and grooves for placing electronic components are evenly distributed in its length direction. After the grooves of the carrier tape are molded, the carrier tape needs to be cut into a certain length for subsequent processing. The carrier tape is generally cut by an automatic cutting device. When the carrier tape is relatively thick, in order to avoid burrs or breakage at the cut, the existing cutting device applies a large pressure to the cutting blade, resulting in easy wear of the cutting edge; or the applied pressure is insufficient, causing abnormal problems such as poor cutting of the carrier tape or non-breaking. Summary of the Utility Model

[0003] Aiming at the above problems, the purpose of the utility model is to provide an automatic carrier tape cutting device to solve the problems of abnormal cutting of the carrier tape and wear of the cutting blade.

[0004] The purpose of the utility model is achieved by the following technical solutions:

[0005] Provide an automatic carrier tape cutting device, including a cutting mechanism and a conveying mechanism for feeding the carrier tape into the cutting mechanism. The cutting mechanism includes a first driving unit, two support plates symmetrically arranged on both sides of the first driving unit, a lower cutting blade detachably connected to the first driving unit, a heating unit arranged on the lower cutting blade, and an upper cutting blade fixed between the support plates. The upper cutting blade is arranged opposite to the lower cutting blade, and the first driving unit can drive the lower cutting blade to move closer to or away from the upper cutting blade.

[0006] After the carrier tape undergoes the upper process of groove molding operation, the conveying mechanism feeds the carrier tape into the cutting mechanism for automatic cutting. The upper cutting blade and the lower cutting blade of the cutting mechanism are arranged opposite to each other, and the carrier tape is located between the upper cutting blade and the lower cutting blade. When the conveying mechanism feeds the carrier tape to a specified length, the first driving unit drives the lower cutting blade to move towards the upper cutting blade to cut the carrier tape. In order to ensure the cutting effect, a heating unit is arranged on the lower cutting blade. According to the thickness and material of the carrier tape, the heating temperature is set to make the lower cutting blade have a certain heat. When the cutting edge of the lower cutting blade contacts the carrier tape, the carrier tape becomes soft and is easier to cut. By setting the heating unit, problems such as poor cutting of the carrier tape can be avoided, and at the same time, a smaller shearing force can be applied to cut the carrier tape, avoiding the problem of rapid wear of the cutting edge of the lower cutting blade.

[0007] Further, the lower cutting blade includes a horizontal mounting portion and a vertical cutting edge portion. The mounting portion is connected to the first driving unit, and the cutting edge portion includes a vertical surface and an inclined surface, and the vertical surface and the inclined surface intersect to form a cutting edge.

[0008] The lower cutter is L-shaped, including a horizontal mounting portion and a vertical cutting blade portion. The mounting portion is connected to the first drive unit by bolts, so that the lower cutter can be easily disassembled for maintenance. The cutting blade forms a matching structure with the upper cutter. When driven by the first drive unit, the lower cutter and the upper cutter shear together to cut the carrier tape.

[0009] Furthermore, the upper cutting knife is provided with an L-shaped cutting groove, the cutting groove is opposite to the cutting edge, and the cutting edge can extend into the cutting groove.

[0010] The L-shaped cutting groove and the cutting blade form a shearing structure. Under the drive of the first driving unit, the lower cutting blade and the upper cutting blade can more easily shear and cut the carrier tape. The cutting groove design avoids direct rigid contact between the cutting blade and the upper cutting blade, protects the cutting blade, and avoids damage to the cutting blade.

[0011] Furthermore, the heating unit is arranged on the vertical surface.

[0012] The heating unit is embedded in the vertical surface of the cutting blade at a position close to the cutting blade. The heating temperature is set according to the thickness and material of the carrier tape so that the cutting blade has a suitable temperature. When the cutting blade contacts the carrier tape, the carrier tape becomes soft without deformation, making the carrier tape easier to cut and avoiding poor cutting.

[0013] Furthermore, the first driving unit includes a driving member, a base connected to an output end of the driving member, and guide posts symmetrically arranged on both sides of the driving member, the base is provided with a guide hole, and the guide post is slidably connected to the guide hole.

[0014] The first driving unit adopts a guide drive method, that is, guide columns are set on both sides of the driving member, and matching guide holes are set on the base. When the driving member drives the base to rise and fall, it can always keep moving along the direction of the guide column to avoid abnormal tilting that causes abnormal contact between the cutting blade and the upper cutter, causing damage to the cutting blade.

[0015] Furthermore, the mounting portion is detachably connected to the base.

[0016] The lower cutter is mounted on the base, and the mounting portion is locked and connected with the base by bolts, so that the lower cutter is easy to disassemble when maintenance is required.

[0017] Furthermore, the cutting mechanism also includes a protective plate located at the top of the support plate, and a roller mounted between the two support plates.

[0018] A protective plate is set on the top plate of the support plate, which can cover the upper cutter to prevent the upper cutter from being directly exposed to the outside, thereby preventing the operator's fingers from being inserted into the cutting mechanism, eliminating safety hazards. A roller is set between the support plates. The roller is made of plastic material and mainly plays a role in receiving and buffering the cut carrier tape.

[0019] Further, connecting columns are provided at both ends of the drum, long circular holes are provided on the opposite sides of the two support plates, and the two connecting columns are respectively placed in the two long circular holes.

[0020] The support plates are provided with long circular holes in the vertical direction, the connecting columns at both ends of the drum are clamped in the long circular holes, and the drum can move in the vertical direction along the long circular holes.

[0021] Further, the drum is located on one side adjacent to the installation part, and the installation part horizontally extends to the bottom of the drum.

[0022] During the process of the first driving unit driving the lower cutter to move upward, the installation part abuts against the bottom of the drum and continues to drive the drum to move upward. When the carrier tape is cut off, the carrier tape slides onto the arc surface of the drum instead of directly sliding and colliding with the cutting mechanism, avoiding bumps and scratches on the surface of the carrier tape.

[0023] Further, the conveying mechanism includes a sliding plate, a second driving unit drivingly connected to the sliding plate, a third driving unit fixed on the sliding plate, and a pressing head connected to the output end of the third driving unit. The second driving unit can drive the sliding plate to perform reciprocating linear motion, and the third driving unit can drive the pressing head to extend into the groove on the carrier tape.

[0024] After the carrier tape is subjected to groove molding operation in the previous process, it is laid on the conveying plate, and its upper surface has grooves. At the starting position of the sliding plate, the pressing head extends into the groove under the drive of the third driving unit, and then the second driving unit drives the sliding plate to slide towards the cutting mechanism to realize the conveying of the carrier tape. When it slides to the end position, the third driving unit drives the pressing head to rise and separate from the groove, and then the second driving unit drives the sliding plate to move towards the starting position. Such reciprocating motion sends the carrier tape into the cutting mechanism. After the cumulative feeding reaches the set length, the cutting mechanism performs the cutting task.

[0025] Compared with the prior art, the beneficial effects of the present utility model are:

[0026] After the carrier tape is subjected to groove molding operation in the previous process, the conveying mechanism sends the carrier tape into the cutting mechanism for automatic slitting. The upper cutter and the lower cutter of the cutting mechanism are arranged oppositely, and the carrier tape is located between the upper cutter and the lower cutter. When the conveying mechanism sends the carrier tape to the specified length, the first driving unit drives the lower cutter to move towards the upper cutter to close, thereby cutting off the carrier tape. In order to ensure the slitting effect, a heating unit is provided on the lower cutter. According to the thickness and material of the carrier tape, the heating temperature is set to make the lower cutter have a certain heat. When the cutting edge of the lower cutter contacts the carrier tape, the carrier tape becomes soft and is easier to cut. By setting the heating unit, problems such as poor cutting of the carrier tape can be avoided, and at the same time, a smaller shearing force can be applied to cut off the carrier tape, avoiding the problem that the cutting edge of the lower cutter wears out quickly. Description of the Drawings

[0027] Figure 1 This is a structural diagram of an automatic carrier tape cutting device according to an embodiment of the present utility model.

[0028] Figure 2 This is a structural diagram of a cutting mechanism according to an embodiment of the present utility model.

[0029] Figure 3 The utility model is a structural diagram of a lower cutter according to an embodiment of the present invention.

[0030] Figure 4 for Figure 1 A partial enlarged view of middle A.

[0031] Illustrations: 1. Cutting mechanism; 2. Conveying mechanism; 11. First driving unit; 12. Support plate; 13. Lower cutter; 14. Heating unit; 15. Upper cutter; 16. Protective plate; 17. Roller; 21. Sliding plate; 22. Second driving unit; 23. Third driving unit; 24. Press head; 111. Driving member; 112. Base; 113. Guide column; 121. Oblong hole; 131. Mounting part; 132. Cutting blade part; 151. Cutting groove; 171. Connecting column; 1321. Vertical surface; 1322. Bevel surface. DETAILED DESCRIPTION

[0032] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the accompanying drawings. The accompanying drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein.

[0033] like Figures 1 to 4 As shown, an automatic carrier cutting device is provided, including a cutting mechanism 1, a conveying mechanism 2 for feeding the carrier into the cutting mechanism 1, the cutting mechanism 1 including a first driving unit 11, two supporting plates 12 symmetrically arranged on both sides of the first driving unit 11, a lower cutter 13 detachably connected to the first driving unit 11, a heating unit 14 arranged on the lower cutter 13, and an upper cutter 15 fixed between the supporting plates 12, the upper cutter 15 is arranged opposite to the lower cutter 13, and the first driving unit 11 can drive the lower cutter 13 to approach or move away from the upper cutter 15.

[0034] After the carrier tape is subjected to the grooving and molding operation in the previous process, the conveying mechanism 2 feeds the carrier tape into the cutting mechanism 1 for automatic slitting. The upper cutting knife 15 and the lower cutting knife 13 of the cutting mechanism 1 are arranged oppositely, and the carrier tape is located between the upper cutting knife 15 and the lower cutting knife 13. When the conveying mechanism 2 feeds the carrier tape to a specified length, the first driving unit 11 drives the lower cutting knife 13 to move upward and close to the upper cutting knife 15, thereby cutting the carrier tape. To ensure the slitting effect, a heating unit 14 is provided on the lower cutting knife 13. According to the thickness and material of the carrier tape, the heating temperature is set so that the lower cutting knife 13 has a certain heat. When the cutting edge of the lower cutting knife 13 contacts the carrier tape, the carrier tape becomes soft and is easier to cut. By setting the heating unit 14, problems such as poor cutting of the carrier tape can be avoided. At the same time, a smaller shearing force can be applied to cut the carrier tape, avoiding the problem of rapid wear of the cutting edge of the lower cutting knife 13.

[0035] As Figure 2 and Figure 3 shown, the lower cutting knife 13 is L-shaped, including a horizontal mounting portion 131 and a vertical cutting edge portion 132. The mounting portion 131 is connected to the first driving unit 11 by bolts, which is convenient for disassembling the lower cutting knife 13 for maintenance. The cutting edge portion 132 includes a vertical surface 1321 and an inclined surface 1322, and the vertical surface 1321 and the inclined surface 1322 intersect to form a cutting edge. The cutting edge forms a mating structure with the upper cutting knife 15. Under the drive of the first driving unit 11, the lower cutting knife 13 and the upper cutting knife 15 shear and cut the carrier tape.

[0036] As Figure 2 and Figure 3 shown, the upper cutting knife 15 is provided with an L-shaped cutting groove 151, and the cutting groove 151 is opposite to the cutting edge, and the cutting edge can extend into the cutting groove 151. The L-shaped cutting groove 151 and the cutting edge form a shearing structure. Under the drive of the first driving unit 11, the lower cutting knife 13 and the upper cutting knife 15 are more likely to shear and cut the carrier tape. The design of the cutting groove 151 avoids the direct rigid contact between the cutting edge and the upper cutting knife 15, protects the cutting edge, and avoids damage to the cutting edge.

[0037] As Figure 3 shown, the heating unit 14 is embedded in a position close to the cutting edge on the vertical surface 1321 of the cutting edge portion 132. According to the thickness and material of the carrier tape, the heating temperature is set so that the cutting edge has a suitable heat. When the cutting edge contacts the carrier tape, the carrier tape becomes soft without deformation, making the carrier tape easier to cut and avoiding poor cutting.

[0038] As Figure 2As shown, the first driving unit 11 includes a driving member 111, a base 112 connected to the output end of the driving member 111, and guide posts 113 symmetrically arranged on both sides of the driving member 111. The base 112 is provided with guide holes, and the guide posts 113 are slidably connected to the guide holes. The first driving unit 11 adopts a guide drive mode, and the driving member 111 can be a cylinder, the axis of the cylinder is fixedly connected to the base 112, and guide posts 113 are arranged on both sides of the cylinder. The base 112 is provided with matching guide holes. When the cylinder drives the base 112 to rise and fall, it can always keep moving along the direction of the guide posts 113 to avoid abnormal tilting that causes abnormal contact between the cutting blade and the upper cutter 15, causing damage to the cutting blade.

[0039] like Figure 2 As shown, the lower cutter 13 is mounted on the base 112, and the mounting portion 131 is locked and connected to the base 112 by bolts, so that the lower cutter 13 is easy to disassemble when maintenance is required.

[0040] like Figure 1 As shown, the cutting mechanism 1 also includes a protective plate 16 located at the top of the support plate 12, and a roller 17 mounted between the two support plates 12. The protective plate 16 can cover the upper cutter 15 to prevent the upper cutter 15 from being directly exposed to the outside, thereby preventing the operator's fingers from being inserted into the cutting mechanism 1, eliminating safety hazards. A roller 17 is arranged between the support plates 12. The roller 17 is made of plastic material and mainly serves to receive and buffer the carrier after cutting. The support plate 12 is provided with an oblong hole 121 in the vertical direction, and the connecting columns 171 at both ends of the roller 17 are clamped in the oblong hole 121. The roller 17 can move along the oblong hole 121 in the vertical direction.

[0041] like Figure 1 As shown, the roller 17 is located on a side adjacent to the mounting portion 131, and the mounting portion 131 extends horizontally to the bottom of the roller 17. When the first driving unit 11 drives the lower cutter 13 to move upward, the mounting portion 131 abuts against the bottom of the roller 17 and continues to drive the roller 17 to move upward. When the carrier tape is cut, the carrier tape slides on the curved surface of the roller 17 instead of directly sliding and contacting and colliding with the cutting mechanism 1, thereby avoiding bumps and scratches on the surface of the carrier tape.

[0042] like Figure 1As shown in the figure, the conveying mechanism 2 includes a sliding plate 21, a second driving unit 22 drivingly connected to the sliding plate 21, a third driving unit 23 fixed on the sliding plate 21, and a pressing head 24 connected to the output end of the third driving unit 23. The second driving unit 22 can drive the sliding plate 21 to reciprocate linearly, and the third driving unit 23 can drive the pressing head 24 to extend into the groove on the carrier tape. Both the second driving unit 22 and the third driving unit 23 can adopt the form of cylinder driving. After the carrier tape is subjected to the groove molding operation in the previous process, it is laid on the conveying plate, and its upper surface has grooves. At the starting position of the sliding plate 21, the pressing head 24 extends into the groove under the drive of the third driving unit 23, and then the second driving unit 22 drives the sliding plate 21 to slide towards the cutting mechanism 1 to realize the conveying of the carrier tape. When it slides to the end position, the third driving unit 23 drives the pressing head 24 to rise and separate from the groove, and then the second driving unit 22 drives the sliding plate 21 to move towards the starting position. Such reciprocating motion feeds the carrier tape into the cutting mechanism 1. After the cumulative feeding reaches the set length, the cutting mechanism 1 performs the cutting task.

[0043] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0044] In addition, terms such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, the meaning of "a plurality" is two or more unless otherwise specifically defined.

[0045] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A carrier tape automatic cutting device, characterized in that: The invention comprises a cutting mechanism and a conveying mechanism for feeding the carrier tape into the cutting mechanism, wherein the cutting mechanism comprises a first driving unit, two supporting plates symmetrically arranged on both sides of the first driving unit, a lower cutter detachably connected to the first driving unit, a heating unit arranged on the lower cutter, and an upper cutter fixed between the supporting plates, wherein the upper cutter is arranged opposite to the lower cutter, and the first driving unit can drive the lower cutter to approach or move away from the upper cutter.

2. The automatic carrier tape cutting device according to claim 1, characterized in that: The lower cutter comprises a horizontal mounting portion and a vertical cutting edge portion, wherein the mounting portion is connected to the first driving unit, and the cutting edge portion comprises a vertical surface and an oblique surface, wherein the vertical surface and the oblique surface intersect to form a cutting edge.

3. The automatic carrier tape cutting device according to claim 2, characterized in that: The upper cutting knife is provided with an L-shaped cutting groove, the cutting groove is opposite to the cutting edge, and the cutting edge can extend into the cutting groove.

4. The automatic carrier tape cutting device according to claim 2, characterized in that: The heating unit is arranged on the vertical surface.

5. The automatic carrier tape cutting device according to claim 2, characterized in that: The first driving unit comprises a driving member, a base connected to an output end of the driving member, and guide posts symmetrically arranged on both sides of the driving member. The base is provided with guide holes, and the guide posts are slidably connected to the guide holes.

6. The automatic carrier tape cutting device according to claim 5, characterized in that: The mounting portion is detachably connected to the base.

7. The automatic carrier tape cutting device according to claim 2, characterized in that: The cutting mechanism further comprises a protective plate located at the top of the supporting plate, and a roller mounted between the two supporting plates.

8. The automatic carrier tape cutting device according to claim 7, characterized in that: The two ends of the drum are provided with connecting columns, the two supporting plates are provided with oblong holes opposite to each other, and the two connecting columns are respectively placed in the two oblong holes.

9. The automatic carrier tape cutting device according to claim 8, characterized in that: The drum is located on one side adjacent to the mounting portion, and the mounting portion horizontally extends to the bottom of the drum.

10. The automatic carrier tape cutting device according to claim 1, characterized in that: The conveying mechanism includes a sliding plate, a second driving unit drivingly connected to the sliding plate, a third driving unit fixed on the sliding plate, and a pressure head connected to the output end of the third driving unit. The second driving unit can drive the sliding plate to reciprocate linearly, and the third driving unit can drive the pressure head to extend into the groove on the carrier tape.

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