Integrated circuit chip cover tape adaptive tensioning and retraction device

Abstract

The utility model relates to an adaptive tensioning and taking-up device for the cover tape of an integrated circuit chip, comprising a cover tape turntable and a conveying channel horizontally arranged below the cover tape turntable, a tensioning and taking-up roller is arranged between the cover tape turntable and the input end of the conveying channel, the tensioning and taking-up roller is driven by a lifting component to be lifted vertically; the cover tape output by the cover tape turntable passes around the lower end of the tensioning and taking-up roller. The lifting component comprises a lifting block, the lifting block is driven by a lifting cylinder vertically arranged above it to be lifted vertically; the tensioning and taking-up roller is installed at the middle lower end of the lifting block. The utility model has a reasonable structural design. By setting a tensioning and taking-up roller that can be lifted and lowered, when a defective chip appears, the tensioning and taking-up roller moves downward and tightens the cover tape downward, so that the cover tape is rewound, effectively preventing the cover tape from being folded and damaged.

Description

Technical field:

[0002] The utility model relates to an adaptive tensioning and taking-up device for an integrated circuit chip cover tape. Background technology:

[0004] When the integrated circuit chips leave the factory, the qualified integrated circuit chips are packaged in the form of braids, and the commonly used braid packaging is composed of a carrier tape with chip storage grids and a fusion-sealed cover tape on the chip storage grids. In the automatic assembly line (for example, the integrated circuit chip test braiding machine braiding conveying device and method disclosed in Chinese Patent Publication No. CN110040277A), when the testing instrument detects the existence of defective integrated circuit chips, the carrier tape needs to be rewound so that the defective integrated circuit chips are returned to the workstation where the chips are placed for processing, and the carrier tape can be retracted only by reversing the motor; as for the cover tape, it is inconvenient to rewind, so that the cover tape is easily folded on the input side of the fusion-sealing mechanism, which causes the cover tape to be damaged. For this reason, it is necessary to improve this technical problem so that the cover tape can be rewound when defective products appear, and this case is born from this. Utility model content:

[0006] The utility model makes improvements on the problems existing in the above-mentioned prior art, that is, the technical problem to be solved by the utility model is to provide an adaptive tensioning and taking-up device for the cover tape of an integrated circuit chip, which has a reasonable design and is convenient for rewinding the cover tape when defective products appear.

[0007] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an adaptive tensioning and taking-up device for the cover tape of an integrated circuit chip, comprising a cover tape turntable and a conveying channel horizontally arranged below the cover tape turntable, a tensioning and taking-up roller is arranged between the cover tape turntable and the input end of the conveying channel, and the tensioning and taking-up roller is driven by a lifting component to rise and fall vertically; the cover tape output by the cover tape turntable passes around the lower end of the tensioning and taking-up roller.

[0008] Furthermore, the lifting assembly includes a lifting block, and the lifting block is driven to lift vertically by a lifting cylinder vertically arranged above it; the tensioning and taking-up roller is installed at the lower end of the middle part of the lifting block.

[0009] Furthermore, the lifting cylinder is installed on a cylinder seat, and vertical guide rods are respectively provided at the left and right ends of the cylinder seat, and the vertical guide rods are slidably matched with the lifting block.

[0010] Furthermore, a guide roller group is provided between the tensioning and taking-up roller and the cover tape turntable, and between the tensioning and taking-up roller and the input end of the conveying channel to facilitate the cover tape to bypass.

[0011] Furthermore, a heat sealing clearance slot is provided at the top of the conveying channel, and a heat sealing mechanism is provided above the heat sealing clearance slot. The heat sealing mechanism includes a heat sealing head, and the heat sealing head is driven by an eccentric wheel assembly to reciprocate up and down to pass through the heat sealing clearance slot.

[0012] Furthermore, a movable plate is vertically provided on the rear side of the heat sealing head, a movable seat is provided at the front end of the movable plate, and the heat sealing head is installed at the bottom of the movable seat; the eccentric wheel assembly includes a longitudinally arranged driving motor, the output shaft of the driving motor is connected to the eccentric wheel located directly below the movable plate, the driving motor drives the eccentric wheel to rotate, and the outer circumferential surface of the eccentric wheel abuts against the bottom of the movable plate.

[0013] Furthermore, a support seat plate is vertically provided on the rear side of the heat sealing head, a vertical slide groove is opened on the support seat plate, and a pair of vertical guide rails distributed on the left and right sides of the vertical slide groove are provided on the front side of the support seat plate; the movable seat is slidably matched with the vertical guide rails; the movable plate is slidably matched with the vertical slide groove, and the eccentric wheel is accommodated inside the lower end of the vertical slide groove.

[0014] Furthermore, a vertical cylinder is fixed to the upper end of the rear end surface of the support seat plate, and the cylinder rod of the vertical cylinder extends downward and is fixed with a pair of limit nuts distributed at upper and lower intervals; an L-shaped connecting block is fixed to the rear end surface of the movable plate, and the horizontal edge of the L-shaped connecting block is located between the pair of limit nuts, and a makeshift opening is opened in the middle of the horizontal edge of the L-shaped connecting block to facilitate the passage of the cylinder rod of the vertical cylinder.

[0015] Compared with the prior art, the utility model has the following effects: the utility model has a reasonable structural design. By setting a liftable tensioning and taking-up roller, when a defective chip appears, the tensioning and taking-up roller moves downward and tightens the cover tape downward, so that the cover tape is rewound, effectively preventing the cover tape from being folded and damaged. Description of the drawings:

[0017] Figure 1 It is a schematic diagram of the main structure of an embodiment of the utility model;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal structure of the lifting assembly in the embodiment of the utility model;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the lifting assembly in the embodiment of the utility model;

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the heat sealing mechanism in the embodiment of the utility model;

[0022] Figure 6 It is a schematic diagram of the side view structure of the heat sealing mechanism in the embodiment of the utility model;

[0023] Figure 7 It is a schematic diagram of the structure of the eccentric wheel assembly in the embodiment of the utility model. Specific implementation method:

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply 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 understood as a limitation on the present invention.

[0027] like Figures 1 to 7 As shown, the utility model is an adaptive tensioning and taking-up device for cover tape of integrated circuit chip, comprising a cover tape turntable 1, a conveying channel 2 horizontally arranged below the cover tape turntable 1, a tensioning and taking-up roller 3 is arranged between the cover tape turntable 1 and the input end of the conveying channel 2, and a guide roller group 5 is arranged between the tensioning and taking-up roller 3 and the cover tape turntable 1, and between the tensioning and taking-up roller 3 and the input end of the conveying channel 2 to facilitate the cover tape 4 to pass around, and the tensioning and taking-up roller 3 is driven by the lifting component to rise and fall vertically; the cover tape outputted from the cover tape turntable 1 passes around the lower end of the tensioning and taking-up roller 3. When working, the cover tape 4 outputted from the cover tape turntable 1 passes through the guide roller group 5 between the tensioning and taking-up roller 3 and the cover tape turntable 1, the tensioning and taking-up roller 3, and the guide roller group 5 between the tensioning and taking-up roller 3 and the input end of the conveying channel 2, and then is input from the input end of the conveying channel 2, and then cooperates with the carrier tape in the conveying channel 2 to realize the packaging of the integrated circuit chip. When defective chips appear, the tensioning and take-up roller moves downward and tightens the cover tape downward, causing the cover tape to rewind, effectively preventing the cover tape from being folded and damaged.

[0028] In this embodiment, Figure 3 , 4As shown, the lifting assembly includes a T-shaped lifting block 6, and the lifting block 6 is driven to lift vertically by a lifting cylinder 7 vertically arranged above it; the tensioning and taking-up roller 3 is installed at the middle lower end of the lifting block 6, and the tensioning and taking-up roller 3 is arranged longitudinally. Further, the lifting cylinder 7 is installed on a cylinder seat 8, and the left and right ends of the cylinder seat 8 are respectively provided with vertical guide rods 9, and the vertical guide rods 9 are slidably matched with the lifting block 6 to guide the vertical lifting of the lifting block 6. Further, the lifting assembly also includes an outer cover 10, and the lifting block 6, the lifting cylinder 7 and the cylinder seat 8 are all arranged inside the outer cover 10, and the lower part of the outer cover 10 has a vertical long groove 11, and the tensioning and taking-up roller 3 extends from the vertical long groove 11 and slides with the vertical long groove 11.

[0029] In this embodiment, a heat sealing clearance groove 12 is provided at the top of the conveying channel 2, and a heat sealing mechanism is provided above the heat sealing clearance groove 12. The heat sealing mechanism includes a heat sealing head 13, and the heat sealing head 13 is driven by an eccentric wheel assembly to reciprocate up and down to pass through the heat sealing clearance groove 12.

[0030] In this embodiment, Figure 5 , 6 As shown in Figures 7 and 8, a movable plate 14 is vertically arranged at the rear side of the heat sealing head 13, a movable seat 15 is arranged at the front end of the movable plate 14, and the heat sealing head 13 is installed at the bottom of the movable seat 15; the eccentric wheel assembly includes a longitudinally arranged driving motor 16, the output shaft of which is connected to an eccentric wheel 17 located directly below the moving plate 14, the driving motor 16 drives the eccentric wheel 17 to rotate, and when the eccentric wheel 17 rotates, its outer circumferential surface abuts against the bottom of the moving plate 14. During operation, the driving motor 16 drives the eccentric wheel 17 to rotate, and the eccentric wheel 17 drives the moving plate 14 to move vertically up and down, and the moving plate 14 drives the heat sealing head 13 to move synchronously through the moving seat 15.

[0031] In this embodiment, a support seat plate 18 is vertically provided on the rear side of the heat sealing head 13, and the support seat plate 18 is fixedly set on the frame. A vertical slide groove 19 is opened on the support seat plate 18, and a pair of vertical guide rails 20 distributed on the left and right sides of the vertical slide groove 19 are provided on the front side of the support seat plate 18; the movable seat 15 is slidably matched with the vertical guide rail 20; the movable plate 14 is slidably matched with the vertical slide groove 19, and the eccentric wheel 17 is accommodated inside the lower end of the vertical slide groove 19.

[0032] In this embodiment, Figure 6As shown, a vertical cylinder 21 is fixed to the upper end of the rear end surface of the support seat plate 18, and the cylinder rod of the vertical cylinder 21 extends downward and is fixed with a pair of limit nuts 22 spaced apart upper and lower; an L-shaped connecting block 23 is fixed to the rear end surface of the movable plate 14, and the horizontal edge of the L-shaped connecting block 23 is located between the pair of limit nuts 22, and a clearance opening is opened in the middle of the horizontal edge of the L-shaped connecting block 23 to facilitate the cylinder rod of the vertical cylinder 21 to pass through. In the initial state, the vertical cylinder 21 is in a retracted state, and the limiting nut 22 located at the bottom supports the L-shaped connecting block 23, so that the movable plate 14 is located at a higher position; when working, the cylinder rod of the vertical cylinder 21 extends downward, and the limiting nut 22 located at the top pushes the L-shaped connecting block 23 to move downward, and the L-shaped connecting block 23 drives the movable plate 14 to move synchronously, so that the heat sealing head 13 moves downward and approaches the heat sealing clearance groove 12; then the vertical cylinder 21 stops moving, and the L-shaped connecting block 23 is supported by the limiting nut 22 located at the bottom; during heat sealing, the driving motor 16 drives the eccentric wheel 17 to rotate, and the eccentric wheel 17 drives the movable plate 14 to move vertically up and down, and the movable plate 14 drives the heat sealing head 13 to move synchronously through the movable seat 15.

[0033] In this embodiment, a tape take-up turntable 24 is provided on the left side of the conveying channel 2 for taking up the tape after packaging the integrated circuit chip.

[0034] It should be noted that the specific structures of the cover tape turntable, the take-up turntable, the conveying channel, the conveying structure of the carrier tape, etc. are the same as the tape conveying device and method of the integrated circuit chip test taping machine disclosed in Chinese Patent Publication No. CN110040277A, and no further repetition will be made here, that is: the utility model adds a liftable tensioning take-up roller on the basis of the tape conveying device and method of the integrated circuit chip test taping machine, and the driving method of the heat sealing mechanism is different.

[0035] If the present invention discloses or involves components or structures that are fixedly connected to each other, then, unless otherwise stated, the fixed connection can be understood as: a detachable fixed connection (for example, connection using bolts or screws), and can also be understood as: a non-detachable fixed connection (for example, riveting, welding). Of course, the mutual fixed connection can also be replaced by an integrated structure (for example, manufactured by one-piece molding using a casting process) (except where it is obviously impossible to use an one-piece molding process).

[0036] In addition, unless otherwise stated, the terms used to indicate positional relationships or shapes in any of the technical solutions disclosed in the above utility model include states or shapes that are approximate, similar or close thereto.

[0037] Any component provided by the utility model can be assembled from multiple separate components, or can be a separate component manufactured by an integrated molding process.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.

Claims

1. An adaptive tensioning and taking-up device for an integrated circuit chip cover tape, comprising a cover tape turntable and a conveying channel arranged horizontally below the cover tape turntable, characterized in that: A tensioning and taking-up roller is arranged between the cover tape turntable and the input end of the conveying channel. The tensioning and taking-up roller is driven by a lifting assembly to rise and fall vertically. The cover tape outputted from the cover tape turntable passes around the lower end of the tensioning and taking-up roller.

2. The self-adaptive tensioning and taking-up device for integrated circuit chip cover tape according to claim 1, characterized in that: The lifting assembly comprises a lifting block, and the lifting block is driven to lift vertically by a lifting cylinder vertically arranged above the lifting block; the tensioning and taking-up roller is installed at the middle lower end of the lifting block.

3. The self-adaptive tensioning and taking-up device for integrated circuit chip cover tape according to claim 2, characterized in that: The lifting cylinder is installed on a cylinder seat. The left and right ends of the cylinder seat are respectively provided with vertical guide rods, and the vertical guide rods are slidably matched with the lifting block.

4. The self-adaptive tensioning and taking-up device for integrated circuit chip cover tape according to claim 1, characterized in that: A guide roller group is respectively arranged between the tensioning and taking-up roller and the cover tape turntable, and between the tensioning and taking-up roller and the input end of the conveying channel to facilitate the cover tape to bypass.

5. The self-adaptive tensioning and taking-up device for integrated circuit chip cover tape according to claim 1, characterized in that: A heat sealing clearance slot is arranged at the top of the conveying channel, a heat sealing mechanism is arranged above the heat sealing clearance slot, and the heat sealing mechanism comprises a heat sealing head, which is driven by an eccentric wheel assembly to reciprocate up and down to pass through the heat sealing clearance slot.

6. The self-adaptive tensioning and taking-up device for integrated circuit chip cover tape according to claim 5, characterized in that: A movable plate is vertically arranged at the rear side of the heat sealing head, a movable seat is arranged at the front end of the movable plate, and the heat sealing head is installed at the bottom of the movable seat; the eccentric wheel assembly includes a longitudinally arranged driving motor, the output shaft of the driving motor is connected to the eccentric wheel located directly below the movable plate, the driving motor drives the eccentric wheel to rotate, and the outer circumferential surface of the eccentric wheel abuts against the bottom of the movable plate.

7. The self-adaptive tensioning and taking-up device for integrated circuit chip cover tape according to claim 6, characterized in that: A support seat plate is vertically arranged on the rear side of the heat sealing head, a vertical slide groove is opened on the support seat plate, and a pair of vertical guide rails distributed on the left and right sides of the vertical slide groove are arranged on the front side of the support seat plate; the movable seat is slidably matched with the vertical guide rails; the movable plate is slidably matched with the vertical slide groove, and the eccentric wheel is accommodated inside the lower end of the vertical slide groove.

8. The self-adaptive tensioning and taking-up device for integrated circuit chip cover tape according to claim 7, characterized in that: A vertical cylinder is fixed to the upper end of the rear end surface of the support seat plate, and the cylinder rod of the vertical cylinder extends downward and is fixed with a pair of limit nuts spaced apart upper and lower; an L-shaped connecting block is fixed to the rear end surface of the movable plate, and the horizontal edge of the L-shaped connecting block is located between the pair of limit nuts, and a makeshift opening is opened in the middle of the horizontal edge of the L-shaped connecting block to facilitate the passage of the cylinder rod of the vertical cylinder.

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