CN212765405U

CN212765405U - Pencil lead forming device for pencil production

Info

Publication number: CN212765405U
Application number: CN202021098775.4U
Authority: CN
Inventors: 龙子枭; 周娅敏; 宋浩
Original assignee: Chibi Jili Stationery Co ltd
Current assignee: Chibi Jili Stationery Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-03-23
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a refill forming device is used in pencil production field, which comprises a base, the base top is fixed with extrusion frame and backup pad, the contact is hugged closely with extrusion frame side to the backup pad side, the mounting hole has been seted up to the side inboard of extrusion frame and backup pad contact, the mounting hole top is provided with the type of falling concave plate, the blowing through-hole has been seted up at type of falling concave plate top center, the inside side of extrusion frame is fixed with the cylinder, cylinder end fixing has the stripper plate, mounting hole internally mounted has the shaping chamber pipe, the mounting groove has been seted up at backup pad top center, the shaping chamber pipe sets up in the mounting groove, the base top is provided with places the board, place board top center and seted up the standing groove, it is fixed with the accessory plate to place board bilateral symmetry, the holding groove has been seted up at accessory plate side center, it is fixed with the.

Description

Pencil lead forming device for pencil production

Technical Field

The utility model relates to a pencil production field specifically is a refill forming device is used in pencil production.

Background

The pencil is a special pen for writing and drawing, wherein the main component for writing is a pencil lead inside the special pen, and the main component of the pencil lead is graphite. The pencil lead is actually made by mixing graphite and clay according to a certain proportion, for example, the word "h" is English "hard", which represents clay, and is used for expressing the hardness of the pencil lead. The larger the number in front of "h" (e.g. 6h), the harder the lead, i.e. the larger the proportion of clay mixed with graphite in the lead, the less obvious the written word, and is often used for duplicating. "b" is the prefix of the English "black", which stands for graphite, and is used to indicate the condition that the pencil lead is soft and the obvious degree of writing. The 6b is the softest, the writing is the blackest, drawing is usually used, and the general pencil label is generally hb.

At present, a Chinese patent with the application number of CN201921056276.6 discloses a pencil lead forming device for pencil production, which comprises a fixed seat, a forming device and a bottom plate, wherein the middle part of the upper surface of the fixed seat is provided with a groove, and a pressing plate is connected inside the groove in a sliding way; through the forming device who is equipped with in fixing base one side for the user can pass through the effectual not unidimensional shaping demand of realization of forming device when implementing the extrusion to the inside refill mixed raw materials of fixing base through electric putter drive clamp, and drive the positioning seat through motor drive lead screw on the bottom plate of forming device one side and fix a position epaxial directional removal, make the refill after the shaping implement through the positioning seat and bear the weight of and avoid the refill to take place effectual sealing treatment to forming device in the twinkling of an eye after the shaping and reach the protection purpose. However, when the device is used for molding pencil leads, the direction of extruding the raw materials is vertical to the direction of entering the molding cavity, so that the raw materials are inconvenient to enter. Based on this, the utility model designs a refill forming device is used in pencil production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pencil is refill forming device for pencil production to propose in solving above-mentioned background, use the device to carry out the pencil refill shaping, the extruded direction of raw materials is perpendicular with the direction that gets into the die cavity, the problem of the entering of the raw materials of being not convenient for.

In order to achieve the above object, the utility model provides a following technical scheme:

a refill forming device for pencil production comprises a base, wherein an extrusion frame and a supporting plate are fixed at the top end of the base, the side face of the supporting plate is in close contact with the side face of the extrusion frame, a mounting hole is formed in the inner side of the side face, in contact with the supporting plate, of the extrusion frame, an inverted concave type plate is arranged above the mounting hole, a discharging through hole is formed in the center of the top end of the inverted concave type plate, an air cylinder is fixed on the inner side face of the extrusion frame, an extrusion plate is fixed at the end part of the air cylinder, a forming cavity pipe is installed in the mounting hole, a mounting groove is formed in the center of the top end of the supporting plate, the forming cavity pipe is arranged in the mounting groove, a placing plate is arranged at the top end of the base, a placing groove is formed in the center of the top end of the placing plate, auxiliary, the top end of the base is provided with a slot matched with the inserted rod.

Preferably, the height of the horizontal plane where the bottom end of the mounting hole is located is lower than the height where the bottom end of the inner cavity of the extrusion frame is located, the mounting holes are evenly arranged on the side face of the extrusion frame at equal intervals, and the vertical center line of the end part of the mounting hole in the middle of the mounting hole is overlapped with the vertical center line of the side face of the extrusion frame where the mounting hole is located.

Preferably, the horizontal plane of the bottom end of the horizontal part of the inverted concave plate and the horizontal plane of the top end of the mounting hole are the same horizontal plane, and the bottom end of the vertical part of the inverted concave plate is fixed at the bottom end of the inner cavity of the extrusion frame.

Preferably, the length of the telescopic movement of the extrusion plate controlled by the cylinder is greater than the length of the horizontal part of the inverted concave plate, the length of the extrusion plate is equal to the horizontal distance between the vertical parts of the inverted concave plate, and the height of the extrusion plate is equal to the height of the inner cavity of the inverted concave plate.

Preferably, the length of the molding cavity pipe is equal to half of the length of the horizontal part of the inverted concave plate, the end part of the molding cavity pipe exceeds the vertical surface of the side surface of the support plate, and the installation groove is an arc-shaped groove matched with the outer wall of the molding cavity pipe.

Preferably, the length of the placing plate is greater than that of the supporting plate, the side face of the placing plate and the vertical face of the end part of the forming cavity pipe are the same vertical face, the horizontal plane of the bottom end of the placing groove and the horizontal plane of the bottom end of the inner wall of the forming cavity pipe are the same horizontal plane, and the placing groove is an arc-shaped groove matched with the inner wall of the forming cavity pipe.

Compared with the prior art, the beneficial effects of the utility model are that: by arranging the air cylinder and the extrusion plate, the refill raw material is extruded from the inverted concave plate into the forming cavity tube by the extrusion plate for forming, and the extruding direction of the raw material is the same as the direction of the raw material entering the forming cavity, so that the raw material can enter conveniently; the installation and the support of the molding cavity pipe are facilitated by arranging the support plate and the support groove; through setting up and placing board and standing groove, when the refill after the shaping is extruded from the shaping intracavity, be convenient for collect it, the installation and the dismantlement of board are convenient for place in the setting of inserted bar and slot simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only examples of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the top view structure of the present invention;

fig. 3 is a schematic sectional structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-base, 2-extrusion frame, 3-support plate, 4-mounting hole, 5-inverted concave plate, 6-discharging through hole, 7-air cylinder, 8-extrusion plate, 9-forming cavity tube, 10-mounting groove, 11-placing plate, 12-placing groove, 13-auxiliary plate, 14-holding groove, 15-inserted rod and 16-slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the examples of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

as shown in figures 1, 2 and 3, a pencil lead forming device for pencil production comprises a base 1, wherein an extrusion frame 2 and a support plate 3 are fixed at the top end of the base 1, the side surface of the support plate 3 is in close contact with the side surface of the extrusion frame 2, a mounting hole 4 is formed in the inner side of the side surface of the extrusion frame 2 in contact with the support plate 3, the height of the horizontal plane where the bottom end of the mounting hole 4 is located is lower than that of the bottom end of the inner cavity of the extrusion frame 2, the mounting holes 4 are uniformly arranged on the side surface of the extrusion frame 2 at equal intervals, the vertical central line of the end part of the mounting hole 4 in the middle part is superposed with the vertical central line of the side surface of the extrusion frame 2, a concave plate 5 is arranged above the mounting hole 4, the horizontal plane where the bottom end of the horizontal part of the concave plate 5 is located and the horizontal plane where the top end of the mounting hole 4 is located are the same, an air cylinder 7 is fixed on the inner side surface of the extrusion frame 2, the length of the air cylinder 7 for controlling the extrusion plate 8 to stretch and move is larger than the length of the horizontal part of the inverted concave type plate 5, the end part of the air cylinder 7 is fixed with the extrusion plate 8, the length of the extrusion plate 8 is equal to the horizontal distance between the vertical parts of the inverted concave type plate 5, the height of the extrusion plate 8 is equal to the height of the inner cavity of the inverted concave type plate 5, a forming cavity pipe 9 is installed inside the installation hole 4, the length of the forming cavity pipe 9 is equal to half of the length of the horizontal part of the inverted concave type plate 5, the end part of the forming cavity pipe 9 exceeds the vertical surface of the side surface of the support plate 3, an installation groove 10 is formed in the center of the top end of the support plate 3, the installation groove 10 is an arc-shaped groove matched with the outer wall of the forming cavity pipe 9, the forming cavity pipe 9 is arranged, place 11 top centers of board and seted up standing groove 12, the horizontal plane that standing groove 12 bottom was located and the horizontal plane that 9 inner walls of shaping chamber pipe were located are same horizontal plane, standing groove 12 be with 9 inner walls of shaping chamber pipe complex arcs, place 11 both sides central symmetry of board and be fixed with accessory plate 13, accessory plate 13 side center has been seted up and has been held the groove 14, place 11 bottom centers of board and be fixed with inserted

bar

15, 1 top of base seted up with inserted bar 15 complex slot 16.

One specific application of this embodiment is: firstly, starting an air cylinder 7 to drive an extrusion plate 8 to move, preliminarily sealing an opening of an inverted concave type plate 5, then injecting mixed refill raw materials into the inverted concave type plate 5 by utilizing a feeding through hole 6, sealing the feeding through hole 6 after injection is finished, starting the air cylinder 7 again, extruding the raw materials by utilizing the extrusion plate 8, allowing the raw materials to enter a forming cavity tube 8 to be formed along with the advance of the extrusion plate 8, allowing the extrusion plate 8 to continue to advance, extruding the refills formed in the forming cavity tube 9 from the forming cavity tube 9, allowing the refills to enter a placing groove 12 on a placing plate 11 to be collected until the extrusion plate 8 is contacted with the side wall of an extrusion frame 2, resetting the extrusion plate 8 by utilizing the air cylinder 7 after the first extrusion process is finished, cutting off the refills formed from the end part of the forming cavity tube 9 by external cutting equipment, taking out the formed refills in the placing groove 12, and repeating, and carrying out subsequent refill forming.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a pencil is refill forming device for pencil production, includes base (1), its characterized in that: the base (1) top is fixed with extrusion frame (2) and backup pad (3), the contact is hugged closely to backup pad (3) side and extrusion frame (2) side, mounting hole (4) have been seted up to the side inboard of extrusion frame (2) and backup pad (3) contact, mounting hole (4) top is provided with die plate (5) of falling the concave, blowing through-hole (6) have been seted up at die plate (5) top center of falling the concave, extrusion frame (2) inside side is fixed with cylinder (7), cylinder (7) end fixing has stripper plate (8), mounting hole (4) internally mounted has shaping chamber pipe (9), mounting groove (10) have been seted up at backup pad (3) top center, shaping chamber pipe (9) set up in mounting groove (10), base (1) top is provided with places board (11), place board (11) top center has been seted up and placed groove (12), auxiliary plates (13) are symmetrically fixed to the centers of two sides of the placing plate (11), a holding groove (14) is formed in the center of the side face of each auxiliary plate (13), an inserting rod (15) is fixed to the center of the bottom end of the placing plate (11), and a slot (16) matched with the inserting rod (15) is formed in the top end of the base (1).

2. A lead forming device for pencil production according to claim 1, characterized in that: the height of the horizontal plane at the bottom end of the mounting hole (4) is lower than that at the bottom end of the inner cavity of the extrusion frame (2), and the mounting holes (4) are uniformly arranged on the side surface of the extrusion frame (2) at equal intervals, and the vertical central line at the end part of the mounting hole (4) in the middle of the mounting hole coincides with the vertical central line on the side surface of the extrusion frame (2) at the middle of the mounting hole.

3. A lead forming device for pencil production according to claim 1, characterized in that: the horizontal plane of the bottom end of the horizontal part of the inverted concave template (5) and the horizontal plane of the top end of the mounting hole (4) are the same horizontal plane, and the bottom end of the vertical part of the inverted concave template (5) is fixed at the bottom end of the inner cavity of the extrusion frame (2).

4. A lead forming device for pencil production according to claim 1, characterized in that: the length that cylinder (7) control stripper plate (8) flexible removal is greater than the length of falling concave template (5) horizontal part, the length of stripper plate (8) equals the horizontal distance between the vertical part of falling concave template (5), the height of stripper plate (8) equals the height of falling concave template (5) inner chamber.

5. A lead forming device for pencil production according to claim 1, characterized in that: the length of the forming cavity tube (9) is equal to half of the length of the horizontal part of the inverted concave plate (5), the end part of the forming cavity tube (9) exceeds the vertical surface of the side surface of the support plate (3), and the mounting groove (10) is an arc-shaped groove matched with the outer wall of the forming cavity tube (9).

6. A lead forming device for pencil production according to claim 1, characterized in that: the length of the placing plate (11) is larger than that of the supporting plate (3), the side face of the placing plate (11) and the vertical face of the end part of the forming cavity tube (9) are the same vertical face, the horizontal plane of the bottom end of the placing groove (12) and the horizontal plane of the bottom end of the inner wall of the forming cavity tube (9) are the same horizontal plane, and the placing groove (12) is an arc-shaped groove matched with the inner wall of the forming cavity tube (9).