Environment-friendly colored pen refill easy to color and production process thereof

Abstract

The invention relates to an environment-friendly color pen refill easy to color and a production process thereof, and relates to the technical field of color pen refills, and the production process comprises the following steps: an end part detection step, a step of detecting the end parts of hardened pen refills, a step of removing broken pen refills, an arrangement step, a step of arranging the pen refills, a packaging step, and a step of packaging the arranged pen refills. The pen refill detection device has the advantages that the pen refill can be detected, and the situation that the broken pen refill enters the next procedure is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of colored pen refills, and in particular to an environmentally friendly and easily colored colored pen refill and a production process thereof. Background Art

[0002] Colored pencils are drawing pencils made with colored pigments rather than graphite. Chinese Patent Publication No. CN105623387A discloses colored pencil refills and a method for their preparation. The components, by weight, include: 20-30 parts by weight of stearic acid, 4-10 parts by weight of polyethylene glycol, 4-10 parts by weight of fatty alcohol polyoxyethylene ether, 5-10 parts by weight of wax, 40-50 parts by weight of a filler, and 3-10 parts by weight of an environmentally friendly pigment. These pencils offer the advantages of being environmentally friendly, water-soluble, and easy to color. However, the refills are prone to breaking after hardening, which can reduce production efficiency when transported to the colored pencil assembly process. Summary of the Invention

[0003] In view of the shortcomings of the existing technology, one of the purposes of this application is to provide an environmentally friendly and easy-to-color colored pen refill and its production process, which has the advantage of being able to detect the pen refill and reduce the broken pen refill entering the next process.

[0004] The above-mentioned purpose of this application is achieved through the following technical solutions:

[0005] A production process for environmentally friendly and easily colorable colored pen refills comprises the following steps: an end detection step of detecting the ends of hardened pen refills and removing broken pen refills; an arrangement step of arranging the pen refills; and a packaging step of packaging the arranged pen refills.

[0006] By adopting the above technical solution and following the above steps, the probability of a broken pen core entering the next process can be greatly reduced.

[0007] In a preferred example, the present application can be further configured as follows: in the end detection step, an end detection device is used, the end detection device includes a conveying mechanism and a pushing mechanism, the conveying mechanism includes relatively arranged belt conveyors, the pushing mechanism has two groups and is relatively arranged, the pushing mechanism includes a driving member and a movable plate, the conveying mechanism is located between the two movable plates, and the two movable plates approach or move away from each other under the action of the driving member.

[0008] By adopting the above technical solution, during use, the two ends of the pen refill are respectively located on the corresponding belt conveyor, and the middle part of the pen refill is suspended. When the pen refill is supported by the belt conveyor, the pen refill is brought into contact with the corresponding movable plate through the movement of the movable plate, thereby making the pen refills neatly arranged.

[0009] In a preferred example, the present application can be further configured as follows: in the arrangement step, a stop assembly is used, and the stop assembly is arranged at one end of the belt conveyor to limit the pen refill.

[0010] By adopting the above technical solution, the existence of the stop assembly makes it possible to limit the pen refills moved to one end of the belt conveyor, and as the belt conveyor works, the pen refills are closely arranged.

[0011] In a preferred example, the present application can be further configured as follows: in the end detection step, when a movable plate moves toward another movable plate and applies force to the pen refill, the pen refill on the belt conveyor is judged. If the length of the pen refill is less than the standard length, an ejector rod is installed on a movable plate, and the movable plate on which the ejector rod is installed moves so that the ejector rod contacts the defective product and drives the defective product to move, so that one end of the defective product is not supported by the belt conveyor and falls from between the belt conveyors.

[0012] By adopting the above technical solution, during use, one movable plate first contacts the pen core, and then the other movable plate moves to contact the other end of the pen core. When both movable plates contact the pen core, the pen core is clamped by the two movable plates. At this time, it is easier to distinguish whether the length of the pen core is less than the standard value. When it is less than the standard value, an ejector rod is installed on one movable plate, and the movable plate equipped with the ejector rod moves, so that the ejector rod contacts the defective product and drives the defective product to move, so that one end of the defective product (i.e. the pen core with a length less than the standard value) will fall off the belt conveyor, and then fall between the belt conveyors.

[0013] In a preferred example, the present application can be further configured as follows: in the end detection step, after the standard length of the pen core is detected, the two movable plates move so that the pen core is centered, and then a preset pressure is applied to the pen core.

[0014] By adopting the above technical solution, that is, by applying a certain pressure to the pencil core, the pencil core with cracks can be broken, thereby further reducing the probability of the pencil core breaking when assembling colored pencils.

[0015] In a preferred example, the present application can be further configured as follows: in the arrangement step, the stop assembly blocks the refills and confirms the number of refills on the belt conveyor. If the number meets the standard value, the refills are transferred and the packaging step is performed.

[0016] By adopting the above technical solution, the number of refills can be confirmed in the arrangement step, thereby achieving better uniformity in the packaging step.

[0017] The present application also discloses an environmentally friendly and easily colored color pen refill: the refill is prepared by the above-mentioned production process of an environmentally friendly and easily colored color pen refill. DETAILED DESCRIPTION

[0018] The present application discloses a production process for environmentally friendly and easy-to-color colored pen refills, comprising the following steps: an end detection step of detecting the ends of the hardened pen refills and removing broken pen refills; an arrangement step of arranging the pen refills; and a packaging step of packaging the arranged pen refills.

[0019] Among them, in the end detection step, an end detection device is used, and the end detection device includes a pressing mechanism, a conveying mechanism and a pushing mechanism. The conveying mechanism includes relatively arranged belt conveyors, and the pushing mechanism has two groups and is relatively arranged. The pushing mechanism includes a driving member and a movable plate. The conveying mechanism is located between the two movable plates and the conveying direction is parallel to the length direction of the movable plate. The two movable plates approach or move away from each other under the action of the driving member. An ejector rod is installed at the end of a movable plate, and the length direction of the ejector rod is perpendicular to the length direction of the movable plate. The ejector rod and the pen core are parallel. In this embodiment, the driving member can be a cylinder, an electric push rod or a hydraulic cylinder. The pressing mechanism includes a lower pressing plate, and the lower pressing plate is driven to move by a cylinder, an electric push rod, a hydraulic cylinder or a manipulator.

[0020] In the arrangement step, a stop assembly is used. The stop assembly is arranged at one end of the belt conveyor and is used to limit the pen refill. The stop assembly includes a stop plate, which is driven to rise and fall by a cylinder, an electric push rod or a hydraulic cylinder. The stop plate is located on the moving path of the pen refill and is used to block the pen refill.

[0021] In the end detection step, the hardened pen refill (such as the pen refill after drying) is placed perpendicular to the movable plate on the belt conveyor (the belt conveyor is not working at this time), and then one movable plate moves toward the other movable plate so that the two ends of the pen refill contact the corresponding movable plates. The interval between the two movable plates is equal to the standard length of the pen refill. At this time, the movable plate applies force to the pen refill. Therefore, when the pen refill length is greater than the standard, the pen refill will be subjected to a greater force and the pen refill is prone to breakage. Then the pen refill on the belt conveyor is judged. If the length of the pen refill is less than the standard length, the belt conveyor moves so that the position of the defective product corresponds to the position of the ejector rod. The movable plate equipped with the ejector rod moves so that the ejector rod contacts the defective product and drives the defective product to move so that one end of the defective product (the length of the pen refill is less than the standard length) is not supported by the belt conveyor and falls from between the belt conveyors. Then the belt conveyor moves the pen refill and places it between the two movable plates.

[0022] After the standard length of the refill is detected, the two movable plates move so that the refill is centered (i.e., the refill is symmetrical in length relative to the center line formed by the two belt conveyors), and then a preset pressure is applied to the refill;

[0023] During the arrangement step, the stop plate blocks the refills, the belt conveyor works to convey the refills, and the number of refills on the belt conveyor is confirmed. If the number meets the standard value, the refills are transferred and the packaging step is performed.

[0024] The implementation principle of this embodiment is: by testing the pen refills, broken pen refills or pen refills that do not meet the length standards are eliminated, thereby reducing the probability of defective pen refills entering the next process.

[0025] The embodiments of this specific implementation method are all preferred embodiments of the present application and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A production process for an environmentally friendly and easily colored color pen refill, characterized by: The method comprises the following steps: an end detection step of detecting the end of the hardened pen core and removing the broken pen core; an arrangement step of arranging the pen cores; and a packaging step of packaging the arranged pen cores.

2. The production process of an environmentally friendly and easily colored color pen refill according to claim 1, characterized in that: In the end detection step, an end detection device is used. The end detection device includes a conveying mechanism and a pushing mechanism. The conveying mechanism includes relatively arranged belt conveyors. The pushing mechanism has two groups and is relatively arranged. The pushing mechanism includes a driving member and a movable plate. The conveying mechanism is located between the two movable plates. The two movable plates approach or move away from each other under the action of the driving member.

3. The production process of an environmentally friendly and easily colored color pen refill according to claim 2, characterized in that: In the arrangement step, a stop assembly is used. The stop assembly is arranged at one end of the belt conveyor and is used to limit the position of the pen refills.

4. The production process of an environmentally friendly and easily colored color pen refill according to claim 3, characterized in that: In the end detection step, when one movable plate moves toward another movable plate and applies force to the pen refill, the pen refill on the belt conveyor is judged. If the length of the pen refill is less than the standard length, an ejector rod is installed on a movable plate, and the movable plate with the ejector rod is moved so that the ejector rod contacts the defective product and drives the defective product to move, so that one end of the defective product is not supported by the belt conveyor and falls from between the belt conveyors.

5. The production process of an environmentally friendly and easily colored color pen refill according to claim 4, characterized in that: In the end detection step, after the standard length of the pen core is detected, the two movable plates move so that the pen core is centered, and then a preset pressure is applied to the pen core.

6. The process for producing an environmentally friendly and easily colored pen refill according to claim 5, characterized in that: In the arrangement step, the stop assembly blocks the refills and confirms the number of refills on the belt conveyor. If the number meets the standard value, the refills are transferred and the packaging step is performed.

7. An environmentally friendly and easy-to-color color pen refill, characterized in that: The pen is prepared by adopting the production process of the environmentally friendly and easy-to-color colored pen refill as described in any one of claims 1 to 6.