Defective product removing mechanism for semiconductor breathable film

Abstract

The utility model provides a defective product rejecting mechanism for a semiconductor breathable film, which belongs to the field of machinery and comprises a rejecting mounting plate, an adhesive tape reel fixed on the rejecting mounting plate, a stepping motor, a waste reel driven by the stepping motor to rotate, a rejecting cylinder and a pressing block fixed at the lower end of the rejecting cylinder. The pressing block is positioned between the adhesive tape reel and the waste reel; an air hole is formed in the working platform below the pressing block or the removing platform, and an air suction mechanism for adsorbing the semiconductor breathable film is arranged below the air hole; the adhesive tape used for sticking off the unqualified semiconductor breathable film starts from the adhesive tape reel, passes through the lower portion of the pressing block and then is wound on the waste reel. According to the utility model, the structure is simplified, unqualified products can be accurately stuck away, the influence on qualified products is avoided, and the production efficiency and the product quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the semiconductor air permeable membrane's defective product rejection mechanism in the field of machinery. BACKGROUND

[0002] The semiconductor air permeable membrane material belt is composed of a film belt, a semiconductor air permeable membrane body and a transparent colorless base film from top to bottom.

[0003] In the production process, it is necessary to detect whether the size and shape of the semiconductor air permeable membrane are qualified, whether the surface has dirt, scratches and other defects. However, the existing detection methods mainly include manual detection and automatic visual detection. Manual detection is low in efficiency, low in reliability and unstable in quality; in automatic visual detection, the patent CN107315017B marks the unqualified products, and then cuts and splices the material belt of the unqualified part, so as to reject the unqualified products. The scheme has a complex structure and low efficiency, and needs to be marked, cut and spliced to complete the rejection of unqualified products. UTILITY MODEL CONTENTS

[0004] The utility model discloses a semiconductor air permeable membrane's defective product rejection mechanism that is simple in rejection structure and efficient in rejection.

[0005] The technical solution of the utility model is:

[0006] The semiconductor air permeable membrane's defective product rejection mechanism, wherein the special features are that it comprises a rejection mounting plate 511, a tape reel 51 fixed on the rejection mounting plate 511, a stepping motor 52, a waste reel 53 driven to rotate by the stepping motor 52, a rejection air cylinder 59 and a pressing block 513 fixed at the lower end of the rejection air cylinder 59, the pressing block 513 is located between the tape reel 51 and the waste reel 53, and the adhesive tape for sticking off the unqualified semiconductor air permeable membrane is wound on the waste reel 53 after passing under the pressing block.

[0007] A plurality of air holes 510 are arranged on the working platform below the pressing block 513, or the working platform below the pressing block 513 is hollowed out, and a rejection platform 58 is additionally arranged, a plurality of air holes 510 are arranged on the rejection platform 58, and an air suction mechanism is arranged below the air holes 510 for adsorbing the semiconductor air permeable membrane.

[0008] Preferably, the rejecting cylinder 59 is connected between the pressing block 513 and the fixed block 512, two pressing rods 516 are fixed on the fixed block 512 and located at the left side and the right side of the pressing block 513 respectively, and the lower end of each pressing rod 516 is sleeved with a sleeve 514 through an elastic element; the interval between the two pressing rods 516 on the left side is smaller than the width of the base film, and the interval between the two pressing rods 516 on the right side is smaller than the width of the base film; the width of the adhesive tape is smaller than the interval between the two pressing rods 516 on the left side and the interval between the two pressing rods 516 on the right side.

[0009] Preferably, the first guide shaft 54 and the second guide shaft 55 are arranged on the left side of the pressing block 513 and below the adhesive tape reel 51, and the third guide shaft 56 and the fourth guide shaft 57 are arranged on the right side of the pressing block 513 and below the waste reel 53.

[0010] Preferably, the first guide shaft 54 and / or the second guide shaft 55 and / or the third guide shaft 56 and / or the fourth guide shaft 57 are provided with two limiting rings 517, and the adhesive tape moves between the two limiting rings 517.

[0011] Preferably, the rejecting cylinder 59 is fixed on the rejecting mounting plate 511 through the cylinder fixing plate 518, and the cylinder fixing plate 518 and the rejecting mounting plate 511 are reinforcedly connected through the reinforcing plate 515 to improve the stability.

[0012] The utility model discloses the advantages are:

[0013] (1) the rejecting mechanism of semiconductor air permeable membrane visual inspection equipment adopts the components such as adhesive tape reel, stepping motor and rejecting cylinder, and the structure is simplified, can accurately stick away unqualified product, avoids the influence to qualified product, and the design of pressing block makes the adhesive tape can be closely attached base film.

[0014] (2) the setting of air hole and suction mechanism, the base film of adhesive tape and the base film of semiconductor air permeable membrane material belt are separated, prevent adhesive tape from sticking away base film, influence base film to continue to advance, guarantee the reliability of rejecting, improve production efficiency and product quality.

[0015] (3) the design of pressing rod and sleeve can press the both sides of base film, prevent adhesive tape from sticking away base film, further improve the reliability of rejecting. DRAWINGS

[0016] Fig. 1 It is the three-dimensional structure schematic view of the rejecting mechanism of the utility model;

[0017] Fig. 2 It is the local front view of the rejecting mechanism of the utility model;

[0018] Fig. 3 It is the local enlarged view of the rejecting mechanism of the utility model;

[0019] Among them, 51, tape reel; 52, stepper motor; 53, waste reel; 54, first guide shaft; 55, second guide shaft; 56, third guide shaft; 57, fourth guide shaft; 58, rejection platform; 59, rejection cylinder; 510, air hole; 511, rejection mounting plate; 512, fixing block; 513, pressure block; 514, sleeve; 515, reinforcing plate; 516, pressure rod; 517, limit ring; 518, cylinder fixing plate. Detailed Implementation

[0020] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. It should also be noted that the terms "upper," "lower," "left," and "right," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] like Figs. 1-3 As shown, the defective semiconductor breathable membrane rejection mechanism includes a rejection mounting plate 511, a tape reel 51, a stepper motor 52, a waste reel 53 driven by the stepper motor 52, a rejection cylinder 59, and a pressure block 513 fixed to the lower end of the rejection cylinder 59; the tape reel 51, the stepper motor 52, and the rejection cylinder 59 are all fixed on the rejection mounting plate 511; the pressure block 513 is located between the tape reel 51 and the waste reel 53; the tape used to remove the defective semiconductor breathable membrane starts from the tape reel 51, passes under the pressure block, and then wraps around the waste reel 53.

[0022] Preferably, a first guide shaft 54 ​​and a second guide shaft 55 are provided on the left side of the pressing block 513 and below the tape roll 51, and a third guide shaft 56 and a fourth guide shaft 57 are provided on the right side of the pressing block 513 and below the waste roll 53.

[0023] More preferably, two limiting rings 517 are provided on the first guide shaft 54 ​​and / or the second guide shaft 55 and / or the third guide shaft 56 and / or the fourth guide shaft 57, and the tape moves between the two limiting rings 517.

[0024] Preferably, the bottom surface of the pressure block 513 is a plane, and the pressure block 513 is inverted trapezoidal. The design of the pressure block allows the tape to adhere tightly to the base film.

[0025] Preferably, in order to facilitate the separation of the adhesive tape and the base film with the semiconductor breathable film material tape, the air holes 510 are directly arranged on the working platform below the pressing block 513, the number of the air holes is one, two or more, or the working platform below the pressing block 513 is hollowed out, and the removal platform 58 is additionally arranged, the air holes 510 are arranged on the removal platform 58, and the number of the air holes is one, two or more. The air suction mechanism (not shown in the figure) is arranged below the air holes 510, and the air suction mechanism is used to adsorb the base film, so that the base film is prevented from being taken away together with the adhesive tape, the base film is prevented from affecting the continuous advancement, and the reliability of the removal is ensured.

[0026] Preferably, the removal air cylinder 59 is fixed on the removal mounting plate 511 through the air cylinder fixing plate 518, and the air cylinder fixing plate 518 and the removal mounting plate 511 are reinforced and connected through the reinforcing plate 515 to improve the stability.

[0027] Preferably, the removal air cylinder 59 is connected with the pressing block 513 through the fixing block 512, two pressing rods 516 are respectively fixed on the fixing block 512 and located on the left side and the right side of the pressing block 513, a sleeve pipe 514 is sleeved on the lower end of each pressing rod 516 through an elastic member, the spacing between the two pressing rods 516 on the left side is less than the width of the base film, the spacing between the two pressing rods 516 on the right side is less than the width of the base film, and the pressing rods 516 can press the two sides of the base film when the pressing block 513 is pressed down. In order to prevent the pressing rods 516 from limiting the movement of the adhesive tape, the width of the adhesive tape is less than the spacing between the two pressing rods 516 on the left side and the spacing between the two pressing rods 516 on the right side.

[0028] The adhesive tape reel 51 selects a pneumatic tensioning shaft or a hydraulic drive tensioning shaft or a mechanical hand expansion shaft, and other structures for fixing a material reel can also be adopted.

[0029] The working process of the removal mechanism is as follows: the adhesive tape starts from the adhesive tape reel 51, passes through the first guide shaft 54, the second guide shaft 55, the removal platform 58, the fourth guide shaft 57 and the third guide shaft 56 in sequence, and reaches the waste reel 53; the base film from the visual detection mechanism passes below the pressing block 513 under the traction of the main drive mechanism, the main drive mechanism is temporarily stopped for 0.2s, at this time, the removal air cylinder 59 drives the pressing block 513 to press down the adhesive tape, the sleeve pipe 514 presses the two sides of the base film, the air suction mechanism adsorbs the base film, the adhesive tape takes away the unqualified product, the waste reel 53 rotates by a certain angle to drive the adhesive tape below the pressing block 513 to advance, so as to stick the unqualified product next time, and then the main drive mechanism continues to advance.

[0030] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A defective product rejection mechanism for semiconductor breathable membranes, characterized in that, Includes a rejection mounting plate (511) and a tape reel (51) fixed on the rejection mounting plate (511), a stepper motor (52), a waste reel (53) driven to rotate by the stepper motor (52), a rejection cylinder (59), and a pressure block (513) fixed to the lower end of the rejection cylinder (59), the pressure block (513) being located between the tape reel (51) and the waste reel (53); Air holes (510) are opened on the working platform below the pressure block (513), and the number of air holes is one, two or more; or the working platform below the pressure block (513) is hollowed out, and a rejection platform (58) is set up, and air holes (510) are opened on the rejection platform (58), and the number of air holes is one, two or more; an air suction mechanism for adsorbing the semiconductor breathable membrane base film is set below the air holes (510); The tape used to remove the defective semiconductor breathable membrane starts from the tape reel (51), passes under the pressure block, and is then wound onto the waste reel (53).

2. The defective product rejection mechanism for the semiconductor breathable membrane according to claim 1, characterized in that, The cylinder (59) and the pressure block (513) are connected by a fixing block (512). Two pressure rods (516) are fixed on the fixing block (512) on the left and right sides of the pressure block (513), respectively. The lower end of each pressure rod (516) is fitted with a sleeve (514) through an elastic element. The distance between the two pressure rods (516) on the left side is less than the width of the base film, and the distance between the two pressure rods (516) on the right side is less than the width of the base film. The width of the tape is less than the distance between the two pressure rods (516) on the left side and the distance between the two pressure rods (516) on the right side.

3. The defective product rejection mechanism for the semiconductor breathable membrane according to claim 1 or 2, characterized in that, A first guide shaft (54) and a second guide shaft (55) are provided on the left side of the pressure block (513) and below the tape roll (51), and a third guide shaft (56) and a fourth guide shaft (57) are provided on the right side of the pressure block (513) and below the waste roll (53).

4. The defective product rejection mechanism for the semiconductor breathable membrane according to claim 3, characterized in that, Two limiting rings (517) are provided on the first guide shaft (54) and / or the second guide shaft (55) and / or the third guide shaft (56) and / or the fourth guide shaft (57), and the tape moves between the two limiting rings (517).

5. The defective product rejection mechanism for the semiconductor breathable membrane according to claim 4, characterized in that, The removal cylinder (59) is fixed to the removal mounting plate (511) by the cylinder fixing plate (518). The cylinder fixing plate (518) and the removal mounting plate (511) are reinforced by the reinforcing plate (515) to improve stability.

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