Pencil lead pressing device of colored pencil

By designing the refill pressing device for colored pencils, the guide channel is formed using the guide assembly, which solves the problem of refill bending under gravity, ensuring the accuracy of the shape and length of the refill, thereby improving the processing quality and overall performance of the pencil.

CN222875627UActive Publication Date: 2025-05-16JINAN BEE WRITING INSTR CO LTD
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Patent Information

Application Number
CN202421839047.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-05-16
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

During the manufacturing process of colored pencils, the pressed refill easily bends or breaks under the action of gravity, resulting in the shape and length that do not meet the requirements, affecting subsequent processing and pencil quality.

Method used

A refill pressing device for colored pencils is designed, including a head assembly, a mold assembly, a lead head, a receiving platform and a guide assembly. The guide assembly forms a guide channel through the mounting base, the moving base, the first guide wheel and the second guide wheel to ensure that the refill remains straight when discharged.

Benefits of technology

Effectively prevent the refills from bending, ensure that the shape and length of the refills meet the requirements, ensure the smooth progress of subsequent processing, and improve the overall quality of colored pencils.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of refill manufacturing of color pencils, and provides a refill pressing device of a color pencil, which comprises a pressing head assembly, a mold assembly arranged below the pressing head assembly, a leading-out head detachably arranged at the lower end of the mold assembly, and a receiving platform arranged opposite to the leading-out head, the guide assembly is connected between the mold assembly and the receiving platform; the pressed and formed refill discharged from the lead-out head passes through the guide assembly and then reaches the receiving platform; the guide assembly comprises a mounting seat, a moving seat, a first guide wheel and a second guide wheel; the two sides of the mounting seat are mounted on the mold assembly and the receiving platform respectively; the movable seat is movably mounted on the mounting seat; the first guide wheel and the second guide wheel are respectively mounted on the moving seat, and the distance between the first guide wheel and the second guide wheel can be adjusted.
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Description

Technical Field

[0001] The utility model relates to the technical field of manufacturing colored pencil refills, in particular to a colored pencil refill pressing device. Background Art

[0002] In the manufacturing process of colored pencils, it is necessary to mix the pigment with the clay binder to obtain the raw material of the pencil core, and then load the raw material of the pencil core into a pressing device for pressing to obtain the pencil core of the colored pencil. During the pressing process of the pencil core of the colored pencil, the pressed pencil core is discharged from the outlet head of the pressing device. However, as the pencil core is gradually removed from the outlet head, the pencil core is easily bent or even broken under the action of gravity, resulting in the shape and length of the pencil core not meeting the requirements, making subsequent processing difficult and even affecting the quality of the colored pencil. Utility Model Content

[0003] In view of this, the purpose of the utility model is to provide a colored pencil lead pressing device that can solve or at least alleviate the above-mentioned problem, so as to prevent the lead from bending and ensure that the shape and length of the lead meet the requirements.

[0004] The technical solution provided by the utility model is: a refill pressing device for colored pencils, comprising a pressing head assembly, a mold assembly arranged below the pressing head assembly, a lead-out head detachably mounted on the lower end of the mold assembly, a receiving platform arranged opposite to the lead-out head, and a guide assembly connected between the mold assembly and the receiving platform; the pressed refill discharged from the lead-out head reaches the receiving platform after passing through the guide assembly; the guide assembly comprises a mounting seat, a moving seat, a first guide wheel and a second guide wheel; both sides of the mounting seat are respectively mounted on the mold assembly and the receiving platform; the moving seat is movably mounted on the mounting seat; the first guide wheel and the second guide wheel are respectively mounted on the moving seat, and the distance between the first guide wheel and the second guide wheel can be adjusted.

[0005] In some embodiments, a recessed mounting groove is provided on the upper side of the mounting seat, and the movable seat is partially engaged in the mounting groove.

[0006] In some embodiments, a through hole is provided at the bottom side of the mounting groove; the lower end of the movable seat is connected to a clamping plate via a locking member; the locking member is a bolt, which passes through the clamping plate and the through hole in sequence and is connected to the movable seat; the clamping plate is located on the lower side of the mounting seat.

[0007] In some embodiments, the lower end of the movable seat is configured as a coupling portion, and the coupling portion is coupled in the mounting groove; the upper side of the movable seat is provided with a recessed groove; and the adjusting member is rotatably supported in the groove.

[0008] In some embodiments, the first guide wheel is rotatably mounted on a first connecting seat, and the second guide wheel is rotatably mounted on a second connecting seat.

[0009] In some embodiments, the first connecting seat and the second connecting seat are positioned in the groove by the adjusting member.

[0010] In some embodiments, the adjusting member is an adjusting screw, and a first threaded portion and a second threaded portion are sequentially arranged on the outer peripheral side thereof along the axial direction, wherein the directions of the first threaded portion and the second threaded portion are opposite, the first threaded hole of the first connecting seat is connected to the first threaded portion, and the second threaded hole of the second connecting seat is connected to the second threaded portion.

[0011] In some embodiments, a first annular groove is provided at a central position of an outer circumference of the first guide wheel, and a second annular groove is provided at a central position of an outer circumference of the second guide wheel.

[0012] In some embodiments, the first annular groove and the second annular groove are respectively C-shaped grooves.

[0013] In some embodiments, the first annular groove and the second annular groove are adjacent to each other to form a guide channel, and the guide channel is located in front of the guide head.

[0014] Compared with the prior art, the utility model has at least the following beneficial effects:

[0015] 1. The lead pressing device of the colored pencil of the utility model can prevent the lead from bending and ensure that the shape and length of the lead meet the requirements.

[0016] 2. The first annular groove and the second annular groove in the utility model are adjacent to each other to form a guide channel, and the pen core discharged from the lead-out head reaches the receiving platform through the guide channel, thereby preventing the pen core from bending under the action of gravity and ensuring the straightness of the pen core.

[0017] 3. The utility model uses an adjusting rod to adjust the first guide wheel and the second guide wheel to be closer to or farther from each other, so as to be adaptable to different types of guide heads. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a lead pressing device for a colored pencil according to an embodiment of the utility model is shown.

[0019] Figure 2 Shows Figure 1 A perspective view of a guide assembly of a lead pressing device for a colored pencil is shown.

[0020] Figure 3 Shows Figure 2 A perspective view of the guide assembly from another direction is shown.

[0021] Figure 4 Shows Figure 2 A plan view of the guide assembly is shown.

[0022] Figure 5 Shown along Figure 4 Sectional view along line AA.

[0023] Figure 6 Shows Figure 2 Exploded view of guide assembly shown.

[0024] Explanation of the accompanying drawings: 1-pressing head assembly; 2-mold assembly; 3-export head; 4-guide assembly; 41-mounting seat; 11-mounting groove; 12-through hole; 42-clamping plate; 43-locking member; 44-moving seat; 441-groove; 442-joining portion; 45-adjusting member; 46-first guide wheel; 61-first connecting seat; 62-first threaded hole; 63-first annular groove; 47-second guide wheel; 71-second connecting seat; 72-second threaded hole; 73-second annular groove; 5-receiving platform. DETAILED DESCRIPTION

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

[0026] It should be noted that the following detailed descriptions are all exemplary and are intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0027] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0028] In the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", "bottom" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are relational words determined only for the convenience of describing the structural relationships of the various parts or elements of the present invention, and do not specifically refer to any part or element in the present invention and cannot be understood as limitations on the present invention.

[0029] In the present utility model, terms such as "fixed connection", "connected", "connection", etc. should be understood in a broad sense, indicating that it can be fixedly connected, integrally connected or detachably connected; it can be directly connected or indirectly connected through an intermediate medium. For relevant scientific research or technical personnel in this field, the specific meanings of the above terms in the present utility model can be determined according to specific circumstances, and they cannot be understood as limitations on the present utility model.

[0030] like Figure 1 As shown, the lead pressing device of the colored pencil provided by the utility model comprises a pressing head assembly 1, a mold assembly 2 arranged below the pressing head assembly 1, a lead-out head 3 detachably mounted on the lower end of the mold assembly 2, a receiving platform 5 arranged opposite to the lead-out head 3, and a guide assembly 4 connected between the mold assembly 2 and the receiving platform 5. After the lead raw material is poured into the receiving groove of the mold assembly 2, the pressing head of the pressing head assembly 1 moves toward the mold assembly 2, and then the pressing head of the pressing head assembly 1 presses the lead raw material into the mold assembly 2 for pressing and forming the lead, and the pressed lead is discharged from the lead-out head 3, and the pressed lead reaches the receiving platform 5 after passing through the guide assembly 4. The pressing head assembly 1, the mold assembly 2, the lead-out head 3 and the receiving platform 5 can all adopt the existing structures in the prior art, which will not be described in detail here. The lead-out heads 3 of different sizes are detachably mounted on the lower end of the mold assembly 2, and preferably, the lead-out head 3 is connected to the lower end of the mold assembly 2 by threads. The guide assembly 4 can abut against the lead-out head 3.

[0031] Also refer to Figures 2 to 6 , the guide assembly 4 includes a mounting seat 41, a movable seat 44, a first guide wheel 46 and a second guide wheel 47. The two sides of the mounting seat 41 are respectively mounted on the mold assembly 2 and the receiving platform 5. Preferably, the mounting seat 41 is fixed between the mold assembly 2 and the receiving platform 5 by welding. The movable seat 44 is movably mounted on the mounting seat 41. A recessed mounting groove 11 is provided on the upper side of the mounting seat 41, and the movable seat 44 is partially engaged in the mounting groove 11. Preferably, the mounting groove 11 is a dovetail groove. A through hole 12 is provided on the bottom side of the mounting groove 11. The lower end of the movable seat 44 is connected to the clamping plate 42 through a locking member 43. The locking member 43 is a bolt, which passes through the clamping plate 42 and the through hole 12 in sequence and is connected to the movable seat 44. The clamping plate 42 is located at the lower side of the mounting seat 41. When the locking member 43 is tightened, the lower side of the mounting groove 11 is clamped between the clamping plate 42 and the movable seat 44, so that the movable seat 44 can be positioned in the mounting groove 11. When in use, the movable seat 44 abuts against the lead-out head 3 on the side facing the mold assembly 2. When the lead-out head 3 needs to be replaced, the locking member 43 is loosened to push the movable seat 44 away from the lead-out head 3, thereby facilitating the disassembly and assembly of the lead-out head 3.

[0032] The lower end of the movable seat 44 is provided with an engaging portion 442, and the engaging portion 442 is engaged in the mounting groove 11. The upper side of the movable seat 44 is provided with a recessed groove 441. The adjusting member 45 is rotatably supported in the groove 441. The first guide wheel 46 and the second guide wheel 47 are respectively mounted on the movable seat 44, and the distance between the first guide wheel 46 and the second guide wheel 47 can be adjusted. Specifically, the first guide wheel 46 is rotatably mounted on the first connecting seat 61, and the second guide wheel 47 is rotatably mounted on the second connecting seat 71. The first connecting seat 61 and the second connecting seat 71 are positioned in the groove 441 by the adjusting member 45. Preferably, the adjusting member 45 is an adjusting screw, and the outer peripheral side thereof is provided with a first threaded portion and a second threaded portion in sequence along the axial direction, wherein the directions of the first threaded portion and the second threaded portion are opposite, the first threaded hole 62 of the first connecting seat 61 is connected to the first threaded portion, and the second threaded hole 72 of the second connecting seat 71 is connected to the second threaded portion. When the adjusting rod 45 rotates, the first guide wheel 46 and the second guide wheel 47 can move closer to or farther from each other, so as to adapt to different types of guide heads 3 .

[0033] A first annular groove 63 is provided at the center of the outer peripheral side of the first guide wheel 46, and a second annular groove 73 is provided at the center of the outer peripheral side of the second guide wheel 47. The first annular groove 63 and the second annular groove 73 are respectively C-shaped grooves. The first annular groove 63 and the second annular groove 73 are adjacent to each other to form a guide channel, which is located in front of the outlet head 3. The pen core discharged from the outlet head 3 passes through the guide channel to reach the receiving platform 5, thereby preventing the pen core from bending under the action of gravity and ensuring the straightness of the pen core. In addition, the first guide wheel 46 and the second guide wheel 47 are rotatably arranged to ensure the discharge speed of the pen core.

[0034] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A colored pencil lead pressing device, comprising a pressing head assembly, a mold assembly arranged below the pressing head assembly, a lead-out head detachably mounted on the lower end of the mold assembly, a receiving platform arranged opposite to the lead-out head, and a guide assembly connected between the mold assembly and the receiving platform; the pressed lead discharged from the lead-out head reaches the receiving platform after passing through the guide assembly; characterized in that The guide assembly includes a mounting seat, a movable seat, a first guide wheel and a second guide wheel; two sides of the mounting seat are respectively mounted on the mold assembly and the receiving platform; the movable seat is movably mounted on the mounting seat; the first guide wheel and the second guide wheel are respectively mounted on the movable seat, and the distance between the first guide wheel and the second guide wheel can be adjusted.

2. The lead pressing device for colored pencils according to claim 1, characterized in that: The upper side of the mounting seat is provided with a recessed mounting groove, and the movable seat is partially engaged in the mounting groove.

3. The lead pressing device for colored pencils according to claim 2, characterized in that: A through hole is provided at the bottom side of the mounting groove; the lower end of the movable seat is connected to a clamping plate via a locking member; the locking member is a bolt, which passes through the clamping plate and the through hole in sequence and is connected to the movable seat; the clamping plate is located at the lower side of the mounting seat.

4. The lead pressing device for colored pencils according to claim 2, characterized in that: The lower end of the movable seat is arranged as an engaging portion, and the engaging portion is engaged in the mounting groove; the upper side of the movable seat is provided with a recessed groove; and the adjusting member is rotatably supported in the groove.

5. The lead pressing device for colored pencils according to claim 4, characterized in that: The first guide wheel is rotatably mounted on the first connecting seat, and the second guide wheel is rotatably mounted on the second connecting seat.

6. The lead pressing device for colored pencils according to claim 5, characterized in that: The first connecting seat and the second connecting seat are positioned in the groove through the adjusting member.

7. The lead pressing device for colored pencils according to claim 6, characterized in that: The adjusting member is an adjusting screw, and a first threaded portion and a second threaded portion are sequentially arranged on the outer peripheral side thereof along the axial direction, wherein the directions of the first threaded portion and the second threaded portion are opposite, the first threaded hole of the first connecting seat is connected to the first threaded portion, and the second threaded hole of the second connecting seat is connected to the second threaded portion.

8. The lead pressing device for colored pencils according to claim 5, characterized in that: A first annular groove is formed in a concave shape at the center position of the outer circumference side of the first guide wheel, and a second annular groove is formed in a concave shape at the center position of the outer circumference side of the second guide wheel.

9. The lead pressing device for colored pencils according to claim 8, characterized in that: The first annular groove and the second annular groove are respectively C-shaped grooves.

10. The lead pressing device for colored pencils according to claim 8, characterized in that: The first annular groove and the second annular groove are adjacent to each other to form a guide channel, and the guide channel is located in front of the guide head.