Demolding structure for carrier tape production

Abstract

The utility model discloses a demoulding structure for carrier tape production, which comprises an adjusting box, a base plate is fixedly connected inside the adjusting box and close to the top end, a plurality of mould cavities are arranged at the top end of the base plate, an ejector plate is connected inside the adjusting box in a sliding mode, a plurality of ejector rods are fixedly connected at the top end of the ejector plate, and the ejector rods are connected with the mould cavities in a sliding mode. And the multiple ejector rods are located under the multiple mold cavities correspondingly, and the top ends of the multiple ejector rods penetrate through the bottom end of the base plate to be fixedly connected with a driven plate. The ejector plate is driven by rotating the screw to move downwards in the adjusting box, in the moving process, the multiple ejector columns push the driven plate to move together and push a formed carrier tape located in the mold cavity, the carrier tape is ejected out of the mold cavity, demolding of the carrier tape is facilitated, the structure is simple, operation is convenient, demolding efficiency is improved, and production cost is reduced. And moreover, the probability of deformation of the carrier tape during demolding is reduced, the quality of the carrier tape is improved, and the production cost is further reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of chips, in particular to a demoulding structure for carrier tape production. Background Art

[0002] Carrier tape is a strip product widely used in the field of electronic packaging. It has a specific thickness and has holes for holding electronic components and positioning holes for index positioning evenly distributed along its length. After the silicon chip is produced, it usually needs to be placed in the carrier tape for fixation. During the production process, the carrier tape needs to be heated first and then extruded into shape through a mold.

[0003] Most of the current carrier tapes need to be blown away from the mold by air jets after molding. However, since the carrier tape is soft after molding, it is easy to deform when being blown out of the mold, which can easily result in the carrier tape being of unqualified quality, thereby increasing production costs. Utility Model Content

[0004] The utility model aims to provide a demoulding structure for carrier tape production to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a demolding structure for carrier production, comprising an adjusting box, a base plate is fixedly connected inside the adjusting box and near the top position, a plurality of mold cavities are opened at the top of the base plate, a ejection plate is slidably connected inside the adjusting box, a plurality of ejection rods are fixedly connected to the top of the ejection plate, and the plurality of ejection rods are respectively located directly below the plurality of mold cavities, the tops of the plurality of ejection rods all pass through the bottom end of the base plate and are fixedly connected to a follower plate, the plurality of follower plates are respectively slidably connected to the interior of the plurality of mold cavities, a screw is rotatably connected to the bottom surface of the adjusting box, and the outer surface of the screw is threadedly connected to the interior of the ejection plate.

[0006] As a further preferred embodiment of the present technical solution, the top end of the screw rod passes through the top end of the adjusting box and is fixedly connected to a rotating gear, the outer surface of the rotating gear is meshingly connected to an adjusting rack, one end of the adjusting rack is fixedly connected to a cylinder, and the outer surface of the cylinder is fixedly connected to the top end of the adjusting box.

[0007] As a further preferred embodiment of the present technical solution, a positioning plate is slidably connected to the outer surface of the adjusting rack, and the bottom end of the positioning plate is fixedly connected to the top end of the adjusting box.

[0008] As a further preferred embodiment of the present technical solution, a plurality of positioning through holes are opened at the top of the ejector plate, a plurality of positioning through holes are slidably connected with positioning columns inside, and a plurality of bottom ends of the positioning columns are fixedly connected to the bottom surface inside the regulating box.

[0009] As a further preferred embodiment of the present technical solution, the outer surfaces of the plurality of positioning columns are sleeved with return springs, the bottom ends of the plurality of return springs are fixedly connected to the inner top surface of the regulating box, and the top ends of the plurality of return springs are in contact with the bottom end of the top plate.

[0010] As a further preferred embodiment of the technical solution, avoidance grooves are provided at the bottom of the substrate and at the four corners of the mold cavities, and mounting frames are fixedly connected to the top of the adjustment box and at both sides.

[0011] The utility model provides a demoulding structure for carrier tape production, which has the following beneficial effects:

[0012] (1) The utility model drives the ejector plate to move downward in the adjusting box by rotating the screw rod. During the movement, a plurality of ejector columns push the driven plate to move together and push the formed carrier tape in the mold cavity, thereby ejecting the carrier tape out of the mold cavity, which is convenient for demolding the carrier tape. The utility model has a simple structure and is easy to operate, thereby improving the demolding efficiency and reducing the probability of deformation of the carrier tape during demolding, thereby improving the quality of the carrier tape and reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the internal structure of the carrier body of the utility model;

[0015] Figure 3 It is a schematic diagram of the internal structure of the carrier body of the utility model.

[0016] In the figure: 1. Adjusting box; 2. Base plate; 3. Mold cavity; 4. Ejecting plate; 5. Ejecting rod; 6. Follower plate; 7. Screw; 8. Positioning column; 9. Positioning through hole; 10. Return spring; 11. Rotating gear; 12. Adjusting rack; 13. Cylinder; 14. Positioning plate; 15. Mounting bracket; 16. Avoidance groove. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0018] The utility model provides a technical solution: Figure 1-3As shown, in the present embodiment, a demolding structure for carrier production comprises an adjusting box 1, a base plate 2 is fixedly connected inside the adjusting box 1 and near the top position, a plurality of mold cavities 3 are opened at the top of the base plate 2, a ejection plate 4 is slidably connected inside the adjusting box 1, a plurality of ejection rods 5 are fixedly connected to the top of the ejection plate 4, the plurality of ejection rods 5 are respectively located directly below the plurality of mold cavities 3, the tops of the plurality of ejection rods 5 all pass through the bottom end of the base plate 2 and are fixedly connected to a driven plate 6, the plurality of driven plates 6 are respectively slidably connected to the interior of the plurality of mold cavities 3, a screw rod 7 is rotatably connected to the bottom surface of the adjusting box 1, the outer surface of the screw rod 7 is threadedly connected to the interior of the ejection plate 4, wherein the mold cavity 3 is provided for placing the carrier for molding, the screw rod 7 is provided to drive the ejection plate 4 to move up and down, and the driven plate 6 is provided to smoothly push out the carrier to prevent it from being skewed or deformed during the discharging process.

[0019] like Figure 2 and Figure 3 As shown, the top end of the screw rod 7 passes through the top end of the adjusting box 1 and is fixedly connected to a rotating gear 11, the outer surface of the rotating gear 11 is meshedly connected to an adjusting rack 12, one end of the adjusting rack 12 is fixedly connected to a cylinder 13, the outer surface of the cylinder 13 is fixedly connected to the top end of the adjusting box 1, and by setting the adjusting rack 12, the rotating gear 11 can be driven to rotate, thereby realizing the movement of the driven plate 6.

[0020] like Figure 2 and Figure 3 As shown, a positioning plate 14 is slidably connected to the outer surface of the adjusting rack 12, and the bottom end of the positioning plate 14 is fixedly connected to the top end of the adjusting box 1, which can position the adjusting rack 12 so that it can always be tightly engaged with the rotating gear 11.

[0021] like Figure 3 As shown, a plurality of positioning through holes 9 are opened at the top of the ejector plate 4, and a positioning column 8 is slidably connected inside the plurality of positioning through holes 9. The bottom ends of the plurality of positioning columns 8 are fixedly connected to the bottom surface of the regulating box 1, so as to position the ejector plate 4 and prevent it from being skewed.

[0022] like Figure 2 and Figure 3 As shown, the outer surfaces of the plurality of positioning columns 8 are sleeved with return springs 10, the bottom ends of the plurality of return springs 10 are fixedly connected to the inner top surface of the adjustment box 1, and the top ends of the plurality of return springs 10 are in contact with the bottom end of the top plate 4, which can facilitate the lifting of the top plate 4 and facilitate adjustment.

[0023] like Figure 1 and Figure 2As shown, avoidance grooves 16 are provided at the bottom of the substrate 2 and at the four corners of the plurality of mold cavities 3, and mounting frames 15 are fixedly connected to the top of the adjustment box 1 and at both sides for easy material removal. The mounting frames 15 can be easily fixed, and the avoidance grooves 16 can be formed on the carrier tape after molding to improve the protection of the silicon chip during transportation.

[0024] The utility model provides a demoulding structure for carrier tape production, and the specific working principle is as follows:

[0025] After the carrier is formed in the mold cavity, the cylinder 13 pushes the adjusting rack 12 to drive the ejecting plate 4 to move downward in the adjusting box 1 by rotating the screw 7. During the movement, multiple ejecting columns 5 push the driven plate 6 to move together and push the formed carrier in the mold cavity 3, and eject the carrier out of the mold cavity 3, so as to facilitate the demolding of the formed carrier.

[0026] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A demoulding structure for carrier tape production, comprising an adjustment box (1), characterized in that: A base plate (2) is fixedly connected inside the regulating box (1) and near the top position, and a plurality of mold cavities (3) are opened at the top of the base plate (2). A ejector plate (4) is slidably connected inside the regulating box (1), and a plurality of ejector rods (5) are fixedly connected to the top of the ejector plate (4). The plurality of ejector rods (5) are respectively located directly below the plurality of mold cavities (3). The tops of the plurality of ejector rods (5) all pass through the bottom of the base plate (2) and are fixedly connected to a follower plate (6). The plurality of follower plates (6) are respectively slidably connected to the inside of the plurality of mold cavities (3). A screw rod (7) is rotatably connected to the bottom surface of the regulating box (1), and the outer surface of the screw rod (7) is threadedly connected to the inside of the ejector plate (4).

2. A demoulding structure for carrier tape production according to claim 1, characterized in that: The top end of the screw rod (7) passes through the top end of the regulating box (1) and is fixedly connected to a rotating gear (11); the outer surface of the rotating gear (11) is meshingly connected to an adjusting rack (12); one end of the adjusting rack (12) is fixedly connected to a cylinder (13); the outer surface of the cylinder (13) is fixedly connected to the top end of the regulating box (1).

3. A demoulding structure for carrier tape production according to claim 2, characterized in that: A positioning plate (14) is slidably connected to the outer surface of the adjusting rack (12), and the bottom end of the positioning plate (14) is fixedly connected to the top end of the adjusting box (1).

4. The demoulding structure for carrier tape production according to claim 3, characterized in that: A plurality of positioning through holes (9) are formed at the top of the ejector plate (4), and positioning columns (8) are slidably connected inside the plurality of positioning through holes (9), and the bottom ends of the plurality of positioning columns (8) are fixedly connected to the bottom surface of the inside of the regulating box (1).

5. The demoulding structure for carrier tape production according to claim 4, characterized in that: The outer surfaces of the plurality of positioning columns (8) are sleeved with return springs (10), the bottom ends of the plurality of return springs (10) are fixedly connected to the inner top surface of the regulating box (1), and the top ends of the plurality of return springs (10) are in contact with the bottom end of the ejector plate (4).

6. The demoulding structure for carrier tape production according to claim 1, characterized in that: Avoidance grooves (16) are provided at the ground end of the substrate (2) and at the four corners of the plurality of mold cavities (3), and mounting frames (15) are fixedly connected to the top end of the adjustment box (1) and at positions on both sides.

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