CN108859065A - A kind of plastic pencil integrated molding extrusion die - Google Patents
A kind of plastic pencil integrated molding extrusion die Download PDFInfo
- Publication number
- CN108859065A CN108859065A CN201810569622.4A CN201810569622A CN108859065A CN 108859065 A CN108859065 A CN 108859065A CN 201810569622 A CN201810569622 A CN 201810569622A CN 108859065 A CN108859065 A CN 108859065A
- Authority
- CN
- China
- Prior art keywords
- pipe
- feeding cylinder
- extrusion die
- pencil
- attachment base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/725—Drawing or writing equipment
- B29L2031/7254—Pencils
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of plastic pencils to be integrally formed extrusion die, is related to plastic pencil manufacturing technology field.The present invention includes attachment base；A feeding cylinder is fixedly connected on one surface of attachment base；The side of feeding cylinder is socketed with a heating hoop, and the end of feeding cylinder is fixedly connected with a formed pipe；The both ends of formed pipe are fixedly installed with a discharging flanged pipe, charging flanged pipe respectively, and the side of formed pipe is provided with several adjusting screws, and the side of formed pipe is provided with several heater strips；It is provided with a die head in discharging flanged pipe, feeds in flanged pipe and is provided with a lead for retractable pencil guide pipe.The present invention heats feeding cylinder by heating sheet, guarantee not cool down during melt flows into formed pipe, mobility is strong, improve the quality of production of pencil, the concentricity of discharging flanged pipe and formed pipe is adjusted by adjusting screw, regulative mode is simple and convenient, guarantees the concentricity of pencil-lead and pencil shaft, it is high to produce product quality, it is easy to operate.
Description
Technical field
The invention belongs to plastic pencil manufacturing technology fields, are integrally formed extrusion die more particularly to a kind of plastic pencil
Tool.
Background technique
Traditional pencil is all Wood pencil, and Wood pencil will consume a large amount of timber every year, does not meet country and strives vigorously to advocate greatly
The overall background for the energy-saving and environmental protection led affects the development of Wood pencil industry.And wood pencil process is complicated, mainly
Process flow has：Wood blanking, machine channeling is concrete-cored, adds glue, cladding plate, and hot setting is divided, spray painting, and roll printing is examined, beaten
Packet seals, vanning, storage etc., high production cost.
Overall plastic environment protection type pencil all uses waste plastic to manufacture, it is by plastic pencil core making machine, makes bar machine, color of the leather extrusion
Machine squeezes synthesis type, automatically controlled to select color, the pencil exquisite appearance of production, not core shift, disconnected core, and it is moderate that volume cuts hardness, overcomes rod lead
The deficiencies of viscous seam of pen comes unglued, yin-yang plate and coloring are coarse.More valuable is that it has thoroughly eliminated paint, eliminates harmful toxins
Infringement to human body；Timber has been taken leave of again, rationally and effectively protects national forest tree resource；The most key is that overall plastic pencil can
Waste foam, agricultural film, beverage bottle, plastic lunch box etc. " white pollution " is set to turn waste into wealth, production cost is very low, therefore it provides one
Kind plastic pencil is integrally formed extrusion die, produces plastic pencil, rationally utilizes resource.
Summary of the invention
The purpose of the present invention is to provide a kind of plastic pencils to be integrally formed extrusion die, is connected by attachment base and feeding cylinder
It connects, feeding cylinder at 45 degree and is connected with formed pipe, and lead for retractable pencil is entered by charging flange pipe end, and pencil shell plastic liquid is by feeding cylinder
Formed pipe is flowed into, pencil is squeezed out by die head, realizes that plastic pencil replaces wood pencil, temperature needed for guaranteeing plastic pencil production
Degree, save the cost protect environment, and structure is simple, easy to use.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is that a kind of plastic pencil is integrally formed extrusion die, including attachment base；It installs the side of the attachment base
There are several heater strips, a feed opening is offered at the center of the attachment base, is fixedly connected on a surface of the attachment base
One matches corresponding feeding cylinder with charging hole site；The side of the feeding cylinder is socketed with a heating hoop, the feeding cylinder
End is fixedly connected with a formed pipe, and the angle between the feeding cylinder and formed pipe is 45 °；The feeding cylinder and formed pipe phase
The place of connecing is provided with a branch pipe, and a temperature sensor is equipped in the branch pipe；The both ends of the formed pipe are fixedly installed with respectively
One discharging flanged pipe, charging flanged pipe, the side of the formed pipe are provided with several adjusting screws, and the side of the formed pipe is set
It is equipped with several heater strips；It is provided with a die head in the discharging flanged pipe, lead for retractable pencil guiding is provided in the charging flanged pipe
Pipe.
Further, four edges of the attachment base offer a mounting hole, on a surface of the attachment base
It is fixed with one and matches corresponding connecting cylinder with the position of feed opening, the side of the connecting cylinder is provided with external screw thread.
Further, the feeding cylinder is a circular cylinder or rectangular cylinder, offers a poroid material chamber, institute in the feeding cylinder
The one end for stating feeding cylinder offers a threaded hole, and the feeding cylinder is in such a way that external screw thread is screwed on threaded hole and connecting cylinder
It is fixedly mounted on attachment base.
Further, the formed pipe is a rectangular tube or round tube, and the side of the formed pipe offers one and material chamber
The connecting cavity being connected, the interior axial direction along pipe of the formed pipe are provided with a fluid cavity being connected to connecting cavity, the formed pipe
One end offer one first mounting hole, first mounting hole is located at one end that formed pipe tilts upward, the formed pipe
The other end offers one second mounting hole.
Further, the charging flanged pipe is mounted in the first mounting hole, is connected with a lead in the charging flanged pipe
Core guide pipe, the aperture of first mounting hole are greater than 1~3cm of aperture of fluid cavity；One end face of the lead for retractable pencil guide pipe with
The fitting of flange end surfaces is fed, the other end of the lead for retractable pencil guide pipe is bonded with fluid resonator end surface.
Further, the discharging flanged pipe is mounted in the second mounting hole, is connected with a mould in the discharging flanged pipe
Head, the aperture of second mounting hole are greater than 1~3cm of aperture of fluid cavity.
Further, the side of the formed pipe offers several threaded holes being connected with the second mounting hole, the spiral shell
Adjusting screw, the side joint of the end for adjusting screw and discharging flanged pipe are provided in pit.
Further, the position with the position of lead for retractable pencil guide pipe of the heater strip of the formed pipe side match corresponding.
Further, the die head is column construction, offers a trapezoidal hole, an end face of the die head in the die head
It is bonded with discharging flange end surfaces, an end face of the die head is bonded with fluid resonator end surface.
Further, the heating hoop includes a heating sheet, is provided with a set of hoop outside the heating sheet, opens on the cuff
Equipped with a screw hole, the heating hoop is fixedly mounted on feeding cylinder side in such a way that fastening screw is matched with screw hole.
The invention has the advantages that：
1, the present invention is equipped with heating hoop by installing heater strip, feeding cylinder side on attachment base, passes through heating sheet pair
Feeding cylinder is heated, and guarantees not cool down during melt flows into formed pipe, mobility is strong, generates when pencil being avoided to produce bad
Matter, substandard product improve the quality of production of pencil.
2, the present invention preheats lead for retractable pencil, while by installing heater strip in one end of formed pipe in formed pipe
Liquid is heated, and is acquired the temperature in formed pipe in real time by temperature sensor, is avoided melt premature solidification, guarantee pencil
Shaping efficiency, energy conservation and environmental protection, production cost are low.
3, the present invention adjusts the concentricity of discharging flanged pipe and formed pipe by adjusting screw, and regulative mode is simple and convenient,
Guarantee the concentricity of pencil-lead and pencil shaft, production product quality is high, easy to operate.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram that plastic pencil of the present invention is integrally formed extrusion die；
Fig. 2 is the structural front view of Fig. 1；
Fig. 3 is the structure left view of Fig. 1；
Fig. 4 is the structure sectional view in Fig. 3 along line A-A；
Fig. 5 is the structural schematic diagram of feeding cylinder and formed pipe in the present invention；
Fig. 6 is the structural schematic diagram of attachment base in the present invention；
Fig. 7 is the structural schematic diagram that hoop is heated in the present invention；
In attached drawing, parts list represented by the reference numerals are as follows：
1- attachment base, 2- heater strip, 3- feeding cylinder, 4- branch pipe, 5- temperature sensor, 6- adjust screw, 7- discharging flange
Pipe, 8- formed pipe, 9- feed flanged pipe, 10- heating hoop, 11- lead for retractable pencil guide pipe, 12- die head, 101- feed opening, 102- connection
Cylinder, 301- material chamber, 801- threaded hole, 802- fluid cavity, the first mounting hole of 803-, 804- connecting cavity, the second mounting hole of 805-,
1001- heating sheet, 1002- screw hole, 1003- cuff.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " side ", " surface ", "upper", "lower", " angle ",
" end ", " both ends ", "top", " in ", " length ", "inner", " corner ", " side ", " clamping ", " connection ", the instruction such as " fitting "
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the component of indication or suggestion meaning or
Element must have a particular orientation, and be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
It please refers to shown in Fig. 1-4, the present invention is that a kind of plastic pencil is integrally formed extrusion die, including attachment base 1；Connection
Seat 1 is a rectangular block shape structure, and there are two heater strip 2, heater strip 2 uses electric heating wire, attachment base for the side installation of attachment base 1
Offer a feed opening 101 at 1 center, feed opening 101 is a circular hole, be fixedly connected on a surface of attachment base 1 one with
101 position of feed opening matches corresponding feeding cylinder 3；The side of feeding cylinder 3 is socketed with a heating hoop 10, the end of feeding cylinder 3
It is fixedly connected with a formed pipe 8, the angle between feeding cylinder 3 and formed pipe 8 is 45 °；Feeding cylinder 3 is set with 8 joint of formed pipe
It is equipped with a branch pipe 4, a temperature sensor 5 is installed in branch pipe 4；The both ends of formed pipe 8 are fixedly installed with a discharging flange respectively
Pipe 7, charging flanged pipe 9, the side of formed pipe 8 are provided with seven adjusting screws 6, and the side of formed pipe 8 is provided with two heater strips
2；It is provided with a die head 12 in discharging flanged pipe 7, feeds in flanged pipe 9 and is provided with a lead for retractable pencil guide pipe 11, structure is simple, operation
It is convenient.
Wherein as Figure 4-Figure 6, four edges of attachment base 1 offer a mounting hole, on a surface of attachment base 1
It being fixed with one and matches corresponding connecting cylinder 102 with the position of feed opening 101, the side of connecting cylinder 102 is provided with external screw thread, into
Barrel 3 is a circular cylinder or rectangular cylinder, offers a poroid material chamber 301 in feeding cylinder 3, one end of feeding cylinder 3 offers a spiral shell
Pit 801, feeding cylinder 3 are fixedly mounted on attachment base 1 in such a way that external screw thread on threaded hole 801 and connecting cylinder 102 is screwed
On, mounting means is simple, easy to disassemble.
Wherein as illustrated in figures 4-5, formed pipe 8 is a rectangular tube or round tube, and the side of formed pipe 8 offers one and material chamber
301 connecting cavities 804 being connected, the interior axial direction along pipe of formed pipe 8 are provided with a fluid cavity 802 being connected to connecting cavity 804, at
One end of type pipe 8 offers one first mounting hole 803, and the first mounting hole 803 is located at one end that formed pipe 8 tilts upward, molding
The other end of pipe 8 offers one second mounting hole 805, and charging flanged pipe 9 is mounted in the first mounting hole 803, feeds flanged pipe 9
It is inside connected with a lead for retractable pencil guide pipe 11, the aperture of the first mounting hole 803 is greater than 1~3cm of aperture of fluid cavity 802；Lead for retractable pencil guiding
One end face of pipe 11 is bonded with charging 9 end face of flanged pipe, and the other end of lead for retractable pencil guide pipe 11 is bonded with 802 end face of fluid cavity,
Discharging flanged pipe 7 is mounted in the second mounting hole 805, is connected with a die head 12 in the flanged pipe 7 that discharges, the second mounting hole 805
Aperture is greater than 1~3cm of aperture of fluid cavity 802, and the side of formed pipe 8, which offers, several to be connected with the second mounting hole 805
Threaded hole 801 is provided in threaded hole 801 and adjusts screw 6, and the end for adjusting screw 6 connects with the side for the flanged pipe 7 that discharges
Place adjusts the concentricity of discharging flanged pipe 7 and formed pipe 8 by adjusting screw 6, and regulative mode is simple and convenient, guarantees pencil pen
The concentricity of core and pencil shaft, production product quality is high, easy to operate.
Wherein as shown in Fig. 1,4-5, the position of the heater strip 2 of 8 side of formed pipe and the position of lead for retractable pencil guide pipe 11 match
It closes and corresponds to, lead for retractable pencil is preheated by heater strip, while the liquid in formed pipe is heated, melt is avoided to coagulate too early
Gu guaranteeing the shaping efficiency of pencil, energy conservation and environmental protection, production cost is low.
Wherein as shown in figure 4, die head 12 is column construction, a trapezoidal hole, an end face of die head 12 are offered in die head 12
It is bonded with discharging 7 end face of flanged pipe, an end face of die head 12 is bonded with 802 end face of fluid cavity, and die head 12 is dismantled easy for installation.
Wherein as shown in fig. 7, heating hoop 10 includes a heating sheet 1001, a set of hoop 1003 is provided with outside heating sheet 1001,
A screw hole 1002 is offered on cuff 1003, heating hoop 10 is fixedly mounted in such a way that fastening screw is matched with screw hole 1002
In 3 side of feeding cylinder, feeding cylinder 3 is heated by heating sheet 1001, is guaranteed not cold during melt flows into formed pipe 8
But, mobility is strong, and inferior, substandard product is generated when pencil being avoided to produce, improves the quality of production of pencil.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (10)
1. a kind of plastic pencil is integrally formed extrusion die, which is characterized in that including attachment base (1)；
The side of the attachment base (1) is equipped with several heater strips (2), offers a charging at the center of the attachment base (1)
Hole (101) is fixedly connected with one on a surface of the attachment base (1) and matches corresponding charging with feed opening (101) position
Cylinder (3)；
The side of the feeding cylinder (3) is socketed with a heating hoop (10), and the end of the feeding cylinder (3) is fixedly connected with a molding
It manages (8), the angle between the feeding cylinder (3) and formed pipe (8) is 45 °；
The feeding cylinder (3) and formed pipe (8) joint are provided with a branch pipe (4), and temperature biography is equipped in the branch pipe (4)
Sensor (5)；
The both ends of the formed pipe (8) are fixedly installed with a discharging flanged pipe (7), charging flanged pipe (9), the formed pipe respectively
(8) side is provided with several adjusting screws (6), and the side of the formed pipe (8) is provided with several heater strips (2)；
It is provided with a die head (12) in the discharging flanged pipe (7), is provided with a lead for retractable pencil guide pipe in the charging flanged pipe (9)
(11)。
2. a kind of plastic pencil according to claim 1 is integrally formed extrusion die, which is characterized in that the attachment base
(1) four edges offer a mounting hole, are fixed with one and feed opening (101) on a surface of the attachment base (1)
Position match corresponding connecting cylinder (102), the side of the connecting cylinder (102) is provided with external screw thread.
3. a kind of plastic pencil according to claim 1 is integrally formed extrusion die, which is characterized in that the feeding cylinder
(3) it is a circular cylinder or rectangular cylinder, offers a poroid material chamber (301) in the feeding cylinder (3), the one of the feeding cylinder (3)
End offers a threaded hole (801), and the feeding cylinder (3) is screwed by threaded hole (801) and external screw thread on connecting cylinder (102)
Mode be fixedly mounted on attachment base (1).
4. a kind of plastic pencil according to claim 1 is integrally formed extrusion die, which is characterized in that the formed pipe
It (8) is a rectangular tube or round tube, the side of the formed pipe (8) offers a connecting cavity being connected with material chamber (301)
(804), the axial direction in the formed pipe (8) along pipe is provided with a fluid cavity (802) being connected to connecting cavity (804), it is described at
One end of type pipe (8) offers one first mounting hole (803), and first mounting hole (803) is located at formed pipe (8) and tilts upward
One end, the other end of the formed pipe (8) offers one second mounting hole (805).
5. a kind of plastic pencil according to claim 1 is integrally formed extrusion die, it is characterised in that：
The charging flanged pipe (9) is mounted in the first mounting hole (803), is connected with a lead for retractable pencil in the charging flanged pipe (9)
Guide pipe (11), the aperture of first mounting hole (803) are greater than the 1~3cm of aperture of fluid cavity (802)；
One end face of the lead for retractable pencil guide pipe (11) with charging flanged pipe (9) end face be bonded, the lead for retractable pencil guide pipe (11) it is another
One end face is bonded with fluid cavity (802) end face.
6. a kind of plastic pencil according to claim 1 is integrally formed extrusion die, which is characterized in that the discharging flange
Pipe (7) is mounted in the second mounting hole (805), is connected with a die head (12) in the discharging flanged pipe (7), second installation
The aperture in hole (805) is greater than the 1~3cm of aperture of fluid cavity (802).
7. a kind of plastic pencil according to claim 1 is integrally formed extrusion die, which is characterized in that the formed pipe
(8) side offers several threaded holes (801) being connected with the second mounting hole (805), setting in the threaded hole (801)
Have adjusting screw (6), the side joint of the end for adjusting screw (6) and discharging flanged pipe (7).
8. a kind of plastic pencil according to claim 1 is integrally formed extrusion die, which is characterized in that the formed pipe
(8) position with the position of lead for retractable pencil guide pipe (11) of the heater strip (2) of side match corresponding.
9. a kind of plastic pencil according to claim 1 is integrally formed extrusion die, which is characterized in that the die head (12)
For column construction, the die head (12) is interior to offer a trapezoidal hole, the end face and discharging flanged pipe (7) end of the die head (12)
Face paste is closed, and an end face of the die head (12) is bonded with fluid cavity (802) end face.
10. a kind of plastic pencil according to claim 1 is integrally formed extrusion die, which is characterized in that the heating hoop
It (10) include a heating sheet (1001) that a set of hoop (1003) is provided with outside the heating sheet (1001), on the cuff (1003)
It offers a screw hole (1002), the heating hoop (10) is fixedly mounted in such a way that fastening screw is matched with screw hole (1002)
In feeding cylinder (3) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810569622.4A CN108859065A (en) | 2018-06-05 | 2018-06-05 | A kind of plastic pencil integrated molding extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810569622.4A CN108859065A (en) | 2018-06-05 | 2018-06-05 | A kind of plastic pencil integrated molding extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108859065A true CN108859065A (en) | 2018-11-23 |
Family
ID=64336623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810569622.4A Pending CN108859065A (en) | 2018-06-05 | 2018-06-05 | A kind of plastic pencil integrated molding extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108859065A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078172A (en) * | 2019-06-14 | 2020-12-15 | 中国石油化工股份有限公司 | Orifice plate subassembly reaches bar extruder including it |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2790202A (en) * | 1952-03-31 | 1957-04-30 | Lorenian Zareh | Method and apparatus for manufacturing pencils |
-
2018
- 2018-06-05 CN CN201810569622.4A patent/CN108859065A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2790202A (en) * | 1952-03-31 | 1957-04-30 | Lorenian Zareh | Method and apparatus for manufacturing pencils |
Non-Patent Citations (2)
| Title |
|---|
| 安晓燕等: "《复合材料制品成型模具设计》", 31 August 2014, 中国建材工业出版社 * |
| 段宏伟: "塑料注射成型机加热装置的热损耗分析", 《农机化研究》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078172A (en) * | 2019-06-14 | 2020-12-15 | 中国石油化工股份有限公司 | Orifice plate subassembly reaches bar extruder including it |
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Application publication date: 20181123 |