CN207496326U - A kind of plastic pencil process units - Google Patents
A kind of plastic pencil process units Download PDFInfo
- Publication number
- CN207496326U CN207496326U CN201720643058.7U CN201720643058U CN207496326U CN 207496326 U CN207496326 U CN 207496326U CN 201720643058 U CN201720643058 U CN 201720643058U CN 207496326 U CN207496326 U CN 207496326U
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- China
- Prior art keywords
- cladding
- tapered sleeve
- pencil
- lead
- bar material
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Abstract
The utility model discloses a kind of plastic pencil process units, including lead for retractable pencil extruder, bar material extruder, cladding extruder, composite molding die, bosh, dragger and cutting machine, lead for retractable pencil runner is provided on composite molding die, bar stream road and cladding runner, lead for retractable pencil extruder, bar material extruder and cladding extruder squeeze out lead for retractable pencil respectively, bar material and cladding, lead for retractable pencil, bar material and cladding are extruded into plastic pencil blank by composite molding die, bosh one end is provided with forming sleeve, sizing hole is provided on forming sleeve, plastic pencil blank behind hole of shaping using bosh by cooling down, then by traction machine travel, machine-cut is cut again to break to form plastic pencil finished product.
Description
Technical field
The utility model is related to a kind of plastic pencil process units.
Background technology
Current 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, cost
It is high.
Utility model content
The utility model provides a kind of plastic pencil process units, not only can to overcome deficiency of the prior art
Enough realize goes out plastic pencil, and simple in structure with plastics instead of wood producing, at low cost.
To achieve these goals, the utility model uses following technical scheme：
A kind of plastic pencil process units, including lead for retractable pencil extruder, bar material extruder, cladding extruder, composite forming die
Tool, bosh, dragger and cutting machine are provided with lead for retractable pencil runner, bar stream road and cladding runner on composite molding die,
Lead for retractable pencil extruder, bar material extruder and cladding extruder squeeze out lead for retractable pencil, bar material and cladding respectively, and lead for retractable pencil, bar material and cladding pass through
Composite molding die is extruded into plastic pencil blank, and bosh one end is provided with forming sleeve, is provided on forming sleeve
Sizing hole, plastic pencil blank behind hole of shaping using bosh by cooling down, then by traction machine travel, then by cutting machine
Cut-out forms plastic pencil finished product.
Preferably, composite molding die includes outer barrel and mold core, outer barrel is axially provided with concentric column stepped hole,
For mold core in concentric column stepped hole, mold core includes lead for retractable pencil tapered sleeve, bar material tapered sleeve, cladding charging ring and cladding tapered sleeve,
Lead for retractable pencil tapered sleeve is internally provided with lead for retractable pencil feed cavity, and lead for retractable pencil tapered sleeve head is taper, and bar material tapered sleeve is set in outside lead for retractable pencil tapered sleeve head
Face, and have runner gap between lead for retractable pencil tapered sleeve and bar material tapered sleeve, bar material tapered sleeve head is taper, cladding charging ring and cladding tapered sleeve
It is set on bar material tapered sleeve, cladding charging ring is arranged between bar material tapered sleeve and cladding tapered sleeve, and skin is provided on cladding charging ring
Expect charging hole, have runner gap between cladding charging ring and cladding tapered sleeve and bar material tapered sleeve, the charging of bar material is provided on outer barrel
Mouth and cladding feed inlet.
Preferably, the forepart of bosh is provided with traction rollers, a circle groove, cooling water are provided in traction rollers
The pinch rollers for compressing plastic pencil blank are provided in slot, water inlet and discharge outlet are provided on bosh.
Preferably, dragger includes at least one set of sheave, every group of sheave includes two sheaves, plastic pencil hair
Base is by two traction chuck clamping tractions.
Therefore, the utility model has the advantages that：Plastic pencil can be manufactured, the plastic pencil produced is whole
Using plastic manufacturing or even the polychromy including built-in lead for retractable pencil and appearance is nor paint on coating or being roasting, it is thoroughly washed in a pan
Paint has been eliminated, has eliminated infringement of the harmful toxins to human body；Timber has been taken leave of again, and national forest is rationally and effectively protected to provide
Source；The most key is that plastic pencil can make waste foam, agricultural film, beverage bottle, plastic lunch box etc. " white pollution " turn waste into wealth,
Production cost is very low.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the structure diagram of composite molding die.
In figure：1st, lead for retractable pencil extruder, 2, bar material extruder, 3, cladding extruder, 4, composite molding die, 5, cooling water
Slot, 6, dragger, 7, cutting machine, 8, forming sleeve, 9, outer barrel, 10, lead for retractable pencil tapered sleeve, 11, bar material tapered sleeve, 12, cladding charging
Ring, 13, cladding tapered sleeve, 14, inlet port, 15, outlet port, 16, outlet core, 17, traction rollers, 18, pinch rollers, 19, traction
Disk.
Specific embodiment
Below by specific embodiment, and with reference to attached drawing, the technical solution of the utility model is made more specifically
It is bright.
As shown in Figure 1 and Figure 2, a kind of plastic pencil process units is squeezed including lead for retractable pencil extruder 1, bar material extruder 2, cladding
Go out machine 3, composite molding die 4, bosh 5, dragger 6 and cutting machine 7, lead for retractable pencil stream is provided on composite molding die 4
Road, bar stream road and cladding runner, lead for retractable pencil extruder 1, bar material extruder 2 and cladding extruder 3 squeeze out respectively lead for retractable pencil, bar material and
Cladding, lead for retractable pencil, bar material and cladding are extruded into plastic pencil blank, the setting of 5 one end of bosh by composite molding die 2
There is forming sleeve 8, sizing hole is provided on forming sleeve 8, plastic pencil blank passes through cold using bosh 5 behind hole of shaping
But, it is then drawn by dragger 6, then plastic pencil finished product is formed by the cut-out of cutting machine 7.
Composite molding die includes outer barrel 9 and mold core, and outer barrel 9 is axial to be provided with concentric column stepped hole, mold core
In concentric column stepped hole, inlet port 14 is connected in mold core front end, lead for retractable pencil feed inlet is provided in inlet port 14,
Mold core end is connected with outlet port 15, and outlet core 16 is provided in outlet port 15,16 front end of core is being exported inside outlet port 15
Taper discharging chamber is provided with, outlet core 16 is exported and is provided among core 16 for extrusion plastic pencil using ceramic material
The metering hole of shape.Bar material feed inlet and cladding feed inlet are provided on outer barrel 9.Mold core includes lead for retractable pencil tapered sleeve 10, bar material
Tapered sleeve 11, cladding charging ring 12 and cladding tapered sleeve 13, lead for retractable pencil tapered sleeve 10 are internally provided with the lead for retractable pencil being connected with lead for retractable pencil feed inlet
Feed cavity, lead for retractable pencil tapered sleeve 10 and inlet port 14 are threadedly coupled, and 10 head of lead for retractable pencil tapered sleeve is taper, and bar material tapered sleeve 11 is set in lead for retractable pencil
Outside 12 head of tapered sleeve, and there is runner gap between lead for retractable pencil tapered sleeve 12 and bar material tapered sleeve 11, cladding charging ring 12 and cladding tapered sleeve
13 are set on bar material tapered sleeve 11, and cladding charging ring 12 is arranged between bar material tapered sleeve 11 and cladding tapered sleeve 13, cladding charging ring
Cladding charging hole is provided on 12, cladding charging ring 12 and outer barrel 9 are interference fitted, and cladding charging ring 12 is made by copper product,
The outer ring middle concave part of cladding charging ring 12 into a circle groove, cladding charging ring 12 and cladding tapered sleeve 13 and bar material tapered sleeve 11 it
Between have runner gap.11 endoporus of bar material tapered sleeve is taper, and outer circle is combined for cylindricality and taper, and cladding charging ring 12 is cylinder
Ring, 13 endoporus of cladding tapered sleeve are taper, and outer circle is cylindricality.The pipes' analysis that material is passed through passes through hard chrome plating polishing treatment, to carry
The service life of high mold, and ceramics not only have wear-resisting characteristic, the effect for also insulating, lubricating.
The forepart of bosh 5 is provided with traction rollers 17, and a circle groove, bosh 5 are provided in traction rollers 17
In be provided with 3 for compressing the pinch rollers 18 of plastic pencil blank, be provided with water inlet and discharge outlet on bosh 5.
Dragger 6 includes two groups of sheaves, and every group of sheave includes two sheaves 19, and plastic pencil blank is led by two
Lead plate 19 clamps traction.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but not to this practicality newly
The limitation of type protection domain, those skilled in the art should understand that, on the basis of the technical solution of the utility model, ability
Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (4)
1. a kind of plastic pencil process units, it is characterized in that, including lead for retractable pencil extruder, bar material extruder, cladding extruder, compound
Molding die, bosh, dragger and cutting machine are provided with lead for retractable pencil runner, bar stream road on the composite molding die
With cladding runner, the lead for retractable pencil extruder, bar material extruder and cladding extruder squeeze out lead for retractable pencil, bar material and cladding respectively, described
Lead for retractable pencil, bar material and cladding are extruded into plastic pencil blank, bosh one end setting by the composite molding die
Have forming sleeve, be provided on the forming sleeve sizing hole, the plastic pencil blank by it is described sizing hole after using
Bosh cooling then by traction machine travel, then by the cutting machine is cut off to form plastic pencil finished product.
2. a kind of plastic pencil process units according to claim 1, it is characterized in that, the composite molding die includes outer
Cylinder and mold core, the outer barrel are axially provided with concentric column stepped hole, and the mold core is mounted in concentric column stepped hole,
The mold core includes lead for retractable pencil tapered sleeve, bar material tapered sleeve, cladding charging ring and cladding tapered sleeve, the lead for retractable pencil tapered sleeve and is internally provided with lead
Core feed cavity, the lead for retractable pencil tapered sleeve head are taper, and bar material tapered sleeve is set in outside the lead for retractable pencil tapered sleeve head, and the lead for retractable pencil
There is runner gap between tapered sleeve and bar material tapered sleeve, the bar material tapered sleeve head is taper, and cladding charging ring and cladding tapered sleeve are arranged
On the bar material tapered sleeve, the cladding charging ring is arranged between bar material tapered sleeve and cladding tapered sleeve, on the cladding charging ring
Cladding charging hole is provided with, there is runner gap between the cladding charging ring and cladding tapered sleeve and the bar material tapered sleeve, it is described outer
Bar material feed inlet and cladding feed inlet are provided on cylinder.
3. a kind of plastic pencil process units according to claim 1, it is characterized in that, the forepart setting of the bosh
There are traction rollers, a circle groove is provided in the traction rollers, be provided with to compress the plastics in the bosh
The pinch rollers of pencil blank are provided with water inlet and discharge outlet on the bosh.
4. a kind of plastic pencil process units according to claim 1, it is characterized in that, the dragger includes at least one set
Sheave, every group of sheave include two sheaves, and the plastic pencil blank is drawn by two traction chuck clampings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720643058.7U CN207496326U (en) | 2017-06-05 | 2017-06-05 | A kind of plastic pencil process units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720643058.7U CN207496326U (en) | 2017-06-05 | 2017-06-05 | A kind of plastic pencil process units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207496326U true CN207496326U (en) | 2018-06-15 |
Family
ID=62497201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720643058.7U Active CN207496326U (en) | 2017-06-05 | 2017-06-05 | A kind of plastic pencil process units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207496326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158007A (en) * | 2020-10-10 | 2021-01-01 | 浙江彭胜文教用品股份有限公司 | Full-automatic production line of plastic pencil processing and manufacturing equipment |
-
2017
- 2017-06-05 CN CN201720643058.7U patent/CN207496326U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158007A (en) * | 2020-10-10 | 2021-01-01 | 浙江彭胜文教用品股份有限公司 | Full-automatic production line of plastic pencil processing and manufacturing equipment |
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