Plastic uptake soft rubber sampling tray

By designing a blister soft rubber sampling tray, utilizing the elastic deformation of the arc-shaped placement groove and soft rubber pad, combined with robotic gripping, the problems of inconvenient mold removal and scratches were solved, achieving stable mold placement and efficient inspection.

CN223721393UActive Publication Date: 2025-12-26SUZHOU SHICHENG MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202520386505.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2025-12-26
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

Existing blister trays are prone to causing the mold to rub against the curved bottom when picking up contact lens molds, and are inconvenient to remove, making it difficult to meet the needs of efficient sampling and testing.

Method used

A blister soft rubber sampling tray was designed, including a circular tray, an arc-shaped placement groove, a soft rubber pad, and a removal groove. Through the elastic deformation and snap-fit ​​structure of the soft rubber pad, combined with the gripping of the robotic arm, the mold can be stably placed and easily removed.

Benefits of technology

It reduces the friction between the mold and the pallet, improves the convenience and stability of mold removal, and is suitable for mold inspection after the flow channel is cut off and for mold inspection with flow channel structure, thus meeting the requirements of efficient sampling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a blister soft rubber sampling tray which comprises a tray body, the tray body is round, the upper surface of the tray body is sunken downwards to form an arc-shaped placing groove, the arc-shaped placing groove is distributed around the tray body, a through hole is formed in the center of the arc-shaped placing groove in a penetrating mode, a soft rubber pad is arranged in the through hole, and the soft rubber pad is arranged in the tray body. An upper arc-shaped groove is formed in the upper surface of the soft rubber mat, a lower arc-shaped groove for the soft rubber mat to deform upwards is formed in the lower surface of the soft rubber mat, the lower arc-shaped groove and the upper arc-shaped groove are located in the center of the soft rubber mat and are correspondingly arranged, and a clamping and embedding part which is matched with the through hole and limits the soft rubber mat to be separated is arranged on the side face of the soft rubber mat. The soft rubber mat has elasticity, the mold above the soft rubber mat can be ejected out of the arc-shaped containing groove, the mold can be conveniently taken out, and meanwhile, the soft rubber mat reduces mold scratching compared with a hard tray.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a blister tray, in particular to a blister soft rubber sampling tray. BACKGROUND

[0002] Thermal polymerization is a traditional process for curing materials in the process of making contact lenses, and is particularly suitable for the forming of rigid lenses and high-performance materials. Compared with UV curing, the efficiency is lower, but the process of thermal polymerization still plays an important role in the manufacture of RGP and HEMA hydrogel lenses.

[0003] In the manufacturing process, the prepolymer raw material is usually filled into a high-temperature-resistant molecular mold for heating and solidification. The lens is formed by injection in the interior of the high-temperature-resistant molecular mold. Since the plastic mold is disposable, after production, it is necessary to sample and detect whether the mold is qualified. In order to match the size of the lens surface and place the shrinkage, the bottom of the mold usually adopts an arc structure. The existing technology is generally clamped by a mechanical hand, but it is not designed for sampling. The traditional blister tray is easy to scratch the bottom of the mold, and it is relatively inconvenient to take out the mold from the arc-shaped bottom. SUMMARY

[0004] The utility model aims at providing a blister soft rubber sampling tray, which has the advantages of reducing scratching and facilitating mold removal.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a blister soft rubber sampling tray, comprising a disc body, the disc body is circular, the upper surface of the disc body is concave downward to form an arc-shaped placement groove, the arc-shaped placement groove is distributed around the disc body, a through hole is provided in the center of the arc-shaped placement groove, a soft rubber pad is arranged in the through hole, an upper arc-shaped groove is arranged on the upper surface of the soft rubber pad, a lower arc-shaped groove is arranged on the lower surface of the soft rubber pad for upward deformation of the soft rubber pad, the lower arc-shaped groove and the upper arc-shaped groove are located in the center of the soft rubber pad and are correspondingly arranged, and a clamping part is arranged on the side surface of the soft rubber pad to cooperate with the through hole and limit the soft rubber pad from being separated.

[0006] Preferably, two take-out grooves are symmetrically arranged on the two sides of the arc-shaped placement groove, the take-out grooves are concave downward along the height direction of the disc body, the take-out grooves are semicircular in the horizontal direction, and the side surface of the take-out groove is communicated with the side surface of the arc-shaped placement groove.

[0007] By adopting the above technical scheme, the symmetrical take-out groove structure provides a space for the force exerted by the fingers. The user or the mechanical hand can easily lift the mold through the two take-out grooves, reducing the deformation of the mold.

[0008] As preferred, the outer circumferential surface of the disc body extends downward to form a support rim, the top of the support rim is arranged around the outer circumferential surface of the disc body, the bottom of the support rim extends outward in the horizontal direction to form a flange, the center of the upper surface of the disc body is recessed downward to form a central groove, and the central groove is in a semispherical shape.

[0009] By adopting the technical scheme, the structural strength and the height of the disc body are strengthened, and the stability of placement is increased.

[0010] As preferred, the circumferential side surface of the disc body is recessed inward to form a reinforcing groove, the reinforcing groove is uniformly distributed around the circumference of the disc body, the reinforcing groove is arranged through the disc body in the height direction upward, the reinforcing groove extends downward in the height direction to the flange, and the cross-sectional shape of the reinforcing groove is in a sector shape.

[0011] By adopting the technical scheme, the uniformly distributed reinforcing grooves strengthen the bending resistance of the disc body in the height direction, and the overall bending resistance is improved.

[0012] As preferred, the upper surface of the disc body is provided with an indicating groove on both sides in the width direction of the central groove, the indicating groove is recessed downward from the upper surface of the disc body, and the indicating groove is in a triangular shape.

[0013] By adopting the technical scheme, since the tray and the jig are consistent in shape and are circular, the direction of the tray is identified, and the triangular indicating groove is easy to identify by touch.

[0014] As preferred, the clamping part includes an upper clamping strip, an annular groove, and a lower clamping strip, the annular groove is surrounded by the upper clamping strip and the lower clamping strip, the upper clamping strip is above the soft rubber pad, the lower clamping strip is below the soft rubber strip, and the upper clamping strip and the lower clamping strip are arranged around the soft rubber pad.

[0015] By adopting the technical scheme, the clamping effect on the through hole is good, and the soft rubber pad is prevented from being separated.

[0016] As preferred, a ejection groove is arranged at the center of the bottom of the lower arc-shaped groove, the ejection groove is recessed in the lower arc-shaped groove, and the cross-sectional shape of the ejection groove is in a circular shape.

[0017] By adopting the technical scheme, the ejection groove cooperates with the ejection rod to deform and eject the mold on the soft rubber pad upward.

[0018] As preferred, the center of the ejection groove is provided with an injection port.

[0019] By adopting the technical scheme, the injection port of the soft rubber pad for molding is hidden in cooperation with the ejection groove.

[0020] Preferably, the upper surface of the disc body is provided with a flow channel groove, the longitudinal section of the flow channel groove is semicircular, and the flow channel groove is concave downward along the upper surface of the disc body.

[0021] By adopting the technical scheme, the position and state of the injection molding of the mold can be detected by cooperating with the flow channel of the injection molding mold.

[0022] Preferably, the flow channel groove comprises a main flow channel groove and branch flow channel grooves, one end of the main flow channel groove in the length direction is communicated with the center groove, the other end of the main flow channel groove in the length direction is connected with one end of the two branch flow channel grooves respectively, and the other end of the branch flow channel groove is communicated with the arc-shaped placement groove.

[0023] By adopting the technical scheme, the position and state of the injection molding of the mold can be detected by cooperating with the flow channel of the injection molding mold.

[0024] In summary, the arc-shaped placement groove is used for separately accommodating the mold, the surrounding distribution of the arc-shaped placement groove is used for spacing the molds, and the arc-shaped placement groove is used for accommodating multiple molds, is suitable for the plastic mold in the ring-shaped distribution after the flow channel is cut off by the mechanical hand, can load multiple molds after the injection molding at one time, facilitates sampling, the disc body without the flow channel groove is suitable for the state after the flow channel is cut off, and the disc body with the flow channel groove is suitable for the structure with the flow channel and is used for detecting whether the flow channel contains bubbles and the like; the soft rubber pad has elasticity, can push the mold above the soft rubber pad out of the arc-shaped placement groove, facilitates the taking out of the mold, and compared with the hard tray, the soft rubber pad reduces the scratching of the mold. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a top view of embodiment 1;

[0026] Figure 2 is a sectional view of embodiment 1;

[0027] Figure 3 is Figure 2 is an enlarged view of part A shown in the figure;

[0028] Figure 4 is a top view of embodiment 2;

[0029] Figure 5 is Figure 4 is an enlarged view of part B shown in the figure;

[0030] In the figure, 1 is a disc body; 11 is a support surrounding edge; 12 is a turning edge; 13 is a center groove; 14 is a reinforcing groove; 15 is an indicating groove; 16 is a main flow channel groove; 17 is a branch flow channel groove; 2 is an arc-shaped placement groove; 21 is a through hole; 22 is a taking-out groove; 3 is a soft rubber pad; 31 is an upper arc-shaped groove; 32 is a lower arc-shaped groove; 33 is a ejection groove; 34 is an injection port; 4 is a clamping part; 41 is an upper clamping strip; 42 is an annular groove; and 43 is a lower clamping strip. Detailed Implementation

[0031] The present invention will be further described in detail below with reference to the accompanying drawings.

[0032] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

[0033] Example 1:

[0034] like Figures 1 to 3 As shown, the mold in this embodiment refers to a contact lens thermal polymerization mold, that is, a plastic mold for injecting thermally polymerized material. The bottom of the mold is arc-shaped, and the inside of the mold is arc-shaped to form the structure of the contact lens. At the same time, the thermally polymerized plastic mold is injection molded by an injection molding machine. The sampling test is to check the processing quality of the injection molding machine core and cavity. After the injection molding process, the plastic mold is moved by a robot to cut off the runner. Example 1 is suitable for the state after the runner is cut off, to observe the cut end and the condition of the mold alone. Example 2 is suitable for structures with runners, to detect whether the runner contains air bubbles, etc. The sampling tray is made by vacuum forming.

[0035] like Figures 1 to 3 As shown, a blister-formed soft rubber sampling tray has a tray body 1 formed by a blister forming process. The upper surface of the tray body 1 is circular, and the outer circumference of the tray body 1 extends downward to form a supporting edge 11. The top of the supporting edge 11 surrounds the outer circumference of the tray body 1, and the bottom of the supporting edge 11 extends outward in the horizontal direction to form a flange 12, which improves the supporting effect of the flange 12. The center of the upper surface of the tray body 1 is recessed downward to form a central groove 13, which is hemispherical. In order to strengthen the structural strength of the tray body 1 and facilitate stacking, the circumferential side of the tray body 1 is recessed inward to form a reinforcing groove 14. The reinforcing groove 14 is evenly distributed around the circumference of the tray body 1. The reinforcing groove 14 extends upward through the tray body 1 in the height direction and extends downward to the flange 12 in the height direction. The cross-sectional shape of the reinforcing groove 14 is fan-shaped.

[0036] like Figure 2 and Figure 3 As shown, the upper surface of the disc 1 is recessed downward to form an arc-shaped placement groove 2. The arc-shaped placement groove 2 is distributed around the disc 1. A through hole 21 is provided through the center of the arc-shaped placement groove 2. A soft rubber pad 3 is provided in the through hole 21. An upper arc-shaped groove 31 is provided on the upper surface of the soft rubber pad 3. A lower arc-shaped groove 32 is provided on the lower surface of the soft rubber pad 3 to allow the soft rubber pad 3 to deform upward. The lower arc-shaped groove 32 and the upper arc-shaped groove 31 are located at the center of the soft rubber pad 3 and are provided correspondingly.

[0037] likeFigure 1 As shown, since the disc body 1 is circular, in order to indicate the direction of the disc body 1, the upper surface of the disc body 1 is provided with an indicating groove 15 on both sides of the central groove 13 in the width direction, the indicating groove 15 is formed by the upper surface of the disc body 1 being recessed downward, and the indicating groove 15 is triangular.

[0038] As the disc body 1 is formed by injection molding, the soft rubber pad 3 can be formed by a two-color injection molding process, and in Embodiment 1 and Embodiment 2, the soft rubber pad 3 is linked by the clamping portion 4, which is arranged in the through hole 21, to limit the soft rubber pad 3 from being separated from the through hole 21.

[0039] As shown in Figure 2 and Figure 3 The specific structure of the clamping portion 4 is that the clamping portion 4 includes an upper clamping strip 41, an annular groove 42, and a lower clamping strip 43, the annular groove 42 is surrounded by the upper clamping strip 41 and the lower clamping strip 43, the upper clamping strip 41 is located above the soft rubber pad 3, the lower clamping strip 43 is located below the soft rubber pad 3, the upper clamping strip 41 and the lower clamping strip 43 are arranged around the soft rubber pad 3, the center of the bottom of the lower arc-shaped groove 32 is provided with an ejection groove 33, the ejection groove 33 is recessed in the lower arc-shaped groove 32, the cross-sectional shape of the ejection groove 33 is circular, the center of the ejection groove 33 is provided with an injection port 34, and the injection port 34 is lower than the surface of the lower arc-shaped groove 32.

[0040] As shown in Figures 1 to 3 In order to facilitate the mold to be taken out from the arc-shaped placement groove 2, the arc-shaped placement groove 2 is symmetrically provided with a taking-out groove 22 on both sides, the taking-out groove 22 is recessed downward along the height direction of the disc body 1, the taking-out groove 22 is semicircular in the horizontal direction, the side surface of the taking-out groove 22 is communicated with the side surface of the arc-shaped placement groove 2, the symmetric recessed structure provides a finger force space, the sample container can be easily pried through the taking-out grooves 22 on both sides, and it is especially suitable for containers that are tightly embedded.

[0041] Working principle:

[0042] The mechanical hand puts a plurality of molds into the arc-shaped placement groove 2 of the disc body 1 at one time, and labels are attached, when detection is performed, the soft rubber pad 3 is deformed upward from the bottom, and acts on the bottom of the mold, the mold is ejected upward, at this time, the mold can be clamped through the taking-out grooves 22 on both sides, and the scratching of the mold is reduced.

[0043] Embodiment 2:

[0044] As shown in Figure 4 and Figure 5As shown, the difference between Example 2 and Example 1 is that the mold with flow channels is used in Example 2, the upper surface of the disc body 1 is provided with flow channel grooves, the longitudinal section shape of the flow channel grooves is semicircular, the flow channel grooves are concave downward along the upper surface of the disc body 1, the flow channel grooves include main flow channel grooves 16 and branch flow channel grooves 17, one end of the length direction of the main flow channel groove 16 is communicated with the center groove 13, the other end of the length direction of the main flow channel groove 16 is connected with one end of the two branch flow channel grooves 17 respectively, and the other end of the branch flow channel groove 17 is communicated with the arc-shaped placement groove 2.

Claims

1. A blister soft rubber sampling tray comprising a tray body (1), characterized in that: The disc body (1) is circular, the upper surface of the disc body (1) is concave downward to form an arc-shaped placing groove (2), the arc-shaped placing groove (2) is distributed around the disc body (1), a through hole (21) is arranged at the center of the arc-shaped placing groove (2), a soft rubber pad (3) is arranged in the through hole (21), the upper surface of the soft rubber pad (3) is provided with an upper arc-shaped groove (31), the lower surface of the soft rubber pad (3) is provided with a lower arc-shaped groove (32) for deforming the soft rubber pad (3) upward, the lower arc-shaped groove (32) is located at the center of the soft rubber pad (3) and is correspondingly arranged with the upper arc-shaped groove (31), and the side surface of the soft rubber pad (3) is provided with a clamping part (4) matched with the through hole (21) and limiting the soft rubber pad (3) from being separated.

2. The blister soft gel sampling tray of claim 1, wherein: Arc-shaped placing grooves (2) are symmetrically arranged on both sides of the arc-shaped placing groove (2), the arc-shaped placing grooves (2) are concave downward along the height direction of the disc body (1), the arc-shaped placing grooves (2) are semicircular in the horizontal direction, and the side surface of the arc-shaped placing grooves (2) is communicated with the side surface of the arc-shaped placing groove (2).

3. The blister soft gel sampling tray of claim 1, wherein: The outer circumferential surface of the disc body (1) extends downward to form a support surrounding edge (11), the top of the support surrounding edge (11) is arranged around the outer circumferential surface of the disc body (1), the bottom of the support surrounding edge (11) extends outward in the horizontal direction to form a flange (12), the center of the upper surface of the disc body (1) is concave downward to form a center groove (13), and the center groove (13) is semispherical.

4. The blister soft gel sampling tray of claim 3, wherein: The circumferential side surface of the disc body (1) is concave inward to form a reinforcing groove (14), the reinforcing groove (14) is uniformly distributed around the circumferential direction of the disc body (1), the reinforcing groove (14) is arranged upward through the disc body (1) in the height direction, the reinforcing groove (14) extends downward to the flange (12) in the height direction, and the cross-sectional shape of the reinforcing groove (14) is fan-shaped.

5. The blister soft gel sampling tray of claim 3, wherein: The upper surface of the disc body (1) is provided with an indicating groove (15) on both sides of the center groove (13) in the width direction, the indicating groove (15) is formed by the upper surface of the disc body (1) being concave downward, and the indicating groove (15) is triangular.

6. The blister soft gel sampling tray of claim 1, wherein: The clamping part (4) comprises an upper clamping strip (41), an annular groove (42) and a lower clamping strip (43), the annular groove (42) is surrounded by the upper clamping strip (41) and the lower clamping strip (43), the upper clamping strip (41) is located above the soft rubber pad (3), the lower clamping strip (43) is located below the soft rubber pad (3), and the upper clamping strip (41) and the lower clamping strip (43) are arranged around the soft rubber pad (3).

7. The blister soft gel sampling tray of claim 6, wherein: The center of the bottom of the lower arc-shaped groove (32) is provided with an ejection groove (33), the ejection groove (33) is concave in the lower arc-shaped groove (32), and the cross-sectional shape of the ejection groove (33) is circular.

8. The blister soft gel sampling tray of claim 7, wherein: The center of the ejection groove (33) is provided with an injection port (34).

9. The blister soft gel sampling tray of claim 3, wherein: The upper surface of the disc body (1) is provided with a flow channel groove, the longitudinal cross-sectional shape of the flow channel groove is semicircular, and the flow channel groove is concave downward along the upper surface of the disc body (1).

10. The blister soft gel sampling tray of claim 9, wherein: The flow channel groove comprises a main flow channel groove (16) and a branch flow channel groove (17), one end of the main flow channel groove (16) in the length direction is communicated with the center groove (13), the other end of the main flow channel groove (16) in the length direction is connected with one end of two branch flow channel grooves (17) respectively, and the other end of the branch flow channel groove (17) is communicated with the arc-shaped placement groove (2).