CN211416193U

CN211416193U - Novel multifunctional plastic pencil lead extrusion forming die

Info

Publication number: CN211416193U
Application number: CN201921920164.0U
Authority: CN
Inventors: 张卫芳
Original assignee: Jiangxi Jishui Gemstar Stationery Co ltd
Current assignee: Jiangxi Jishui Gemstar Stationery Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-09-04
Anticipated expiration: 2029-11-08

Abstract

The utility model provides a novel multi-functional plastics pencil lead extrusion moulding mould, including clearance board, the clearance bolt, the mould casing, the pipe is extruded to the toper die head, and the heating plate, the heater strip, the line row, the dismounting tube, the bracing piece, firm base, square head bolt, detachable raw materials strain miscellaneous emission fill structure, can assist cooling shaping fan structure and movable lead core to decide the cutter wheel structure. The utility model is provided with the impurity filtering net, the flow guide hopper, the discharge pipe and the mechanical valve, which is beneficial to filtering impurities of the raw materials so as to ensure the cleanness of the lead core; the guide hopper, the dismounting bolt and the supporting seat are arranged, so that the guide hopper can be dismounted and cleaned conveniently; the arrangement of the air inlet fan, the air box, the impurity filtering net, the tube seat and the cooling pipe is beneficial to cooling the lead core which is extruded and molded so as to ensure the lead core molding effect.

Description

Novel multifunctional plastic pencil lead extrusion forming die

Technical Field

The utility model belongs to the technical field of the plastics pencil is made, especially, relate to a novel multi-functional plastics pencil lead extrusion moulding mould.

Background

The traditional pencil is a wooden pencil, a large amount of wood is consumed by the wooden pencil every year, the energy-saving and environment-friendly background which is vigorously advocated by the nation is not met, and the development of the wooden pencil industry is influenced. The wood pencil has a complex processing process, and the main process flow comprises the following steps: blanking wood, grooving by a machine, adding a core, adding glue, laminating, curing at high temperature, cutting, spraying paint, roll printing, inspecting, packaging, sealing, boxing, warehousing and the like, and the production cost is high.

The full-plastic environment-friendly pencil is made of waste plastics, and is formed by extruding a plastic pencil core making machine, a rod making machine and a leather color extruding machine, the color is selected electrically, the appearance of the produced pencil is exquisite, the pencil is not deviated and broken, the coiling and cutting hardness is moderate, and the defects of glue crack opening, negative and positive plates, rough coloring and the like of a wood-rod pencil are overcome. More expensive, the paint is eliminated completely, and the harm of harmful toxin to human body is eliminated; but also gives a note of wood, thereby reasonably and effectively protecting national forest resources; the most important point is that the all-plastic pencil can change waste from white pollution such as waste foam, agricultural film, beverage bottle and plastic lunch box, and the production cost is very low.

At present, plastic pencil leads are manufactured through an extrusion molding die.

But the existing plastic pencil lead core extrusion molding die still has the problems that the cooling efficiency is low, and impurities contained in the raw materials influence the lead core production and do not have the function of cutting the lead core.

Therefore, the invention discloses a novel multifunctional plastic pencil lead extrusion molding die which is very necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a novel multi-functional plastic pencil lead extrusion moulding mould to there is cooling efficiency low in solving current plastic pencil lead extrusion moulding mould, contains impurity influence lead preparation and does not possess the problem of deciding the function of lead in the raw materials. A novel multifunctional plastic pencil lead extrusion molding die comprises a cleaning plate, a cleaning bolt, a die shell, a conical die head, an extrusion guide pipe, a heating sheet, a heating wire, a wiring row, a dismounting pipe, a support rod, a stable base, a square-head bolt, a detachable raw material impurity filtering and discharging hopper structure, a cooling molding fan structure and a movable lead cutting knife wheel structure which can assist in cooling, and the cleaning plate is longitudinally installed at the right outlet of the die shell through the cleaning bolt; the upper part of the conical die head is connected to the middle position of the top of the inner side of the die shell through a bolt; the extrusion conduit longitudinally penetrates through the middle position of the bottom of the inner side of the die shell, and the upper end of the extrusion conduit is in threaded connection with an outlet at the lower end of the conical die head; the heating sheets are respectively connected to the left side and the right side of the conical die head through screws; the heating wire is wound on the outer surface of the upper end of the conical die head; the longitudinal bolt of the wiring bar is connected to the left upper side of the die shell; the heating sheet and the heating wire are respectively and electrically connected with the wiring row; the upper ends of the disassembling pipes are respectively connected to the four corners of the bottom of the die shell in a threaded manner; the support rods are respectively connected to the four corners of the upper part of the stable base by bolts at one longitudinal end, and the other ends of the support rods are respectively inserted into the dismounting pipes and are fastened and connected by square-head bolts; the detachable raw material impurity filtering and discharging hopper structure is connected with the mould shell; the auxiliary cooling forming fan structure is connected with the supporting rod; the movable lead core cutting cutter wheel structure is connected with the die shell; the detachable raw material impurity filtering and discharging hopper structure comprises a filter screen, a flow guide hopper, a discharging pipe, a mechanical valve, a detaching bolt and a supporting seat, wherein the filter screen is transversely screwed at the middle upper part of the inner side of the flow guide hopper; the longitudinal upper end of the discharge pipe is in threaded connection with the outlet at the lower end of the flow guide hopper; the middle position of the front part of the discharge pipe is in threaded connection with a mechanical valve; the upper end of the flow guide hopper is arranged at the upper part of the inner side between the supporting seats through a dismounting bolt.

Preferably, the auxiliary cooling molding fan structure comprises an air inlet fan, an air box, a sundry filtering net, a pipe seat and a cooling pipe, wherein the air inlet fan is respectively connected to the inlet of the middle position of the upper part and the lower part of the left side of the air box through screws; the longitudinal screw in the middle of the inside of the air box is connected with a sundry filtering net; the tube seats are respectively and transversely bolted on the upper part and the lower part of the right side of the air box; the cooling pipe is inserted in the middle of the inner side between the pipe seats.

Preferably, the movable pencil lead cutting knife wheel structure comprises a cutting knife wheel body, a cutting motor, a movable machine shell, a U-shaped sliding block, a linear sliding rail and a movable handle, wherein the cutting knife wheel body is connected to the lower end of an output shaft of the cutting motor through a bolt; the cutting motor is longitudinally connected to the lower side of the interior of the movable machine shell through bolts; the movable machine shell is connected to the middle position of the lower surface of the U-shaped sliding block through a screw; the U-shaped sliding block is connected to the lower part of the outer wall of the linear sliding rail in a sliding and clamping manner; the rear end of the movable handle is in threaded connection with the middle position of the lower side of the front part of the movable machine shell.

Preferably, the filter screen is a circular stainless steel filter screen.

Preferably, the diversion hopper body adopts a funnel-shaped stainless steel hopper.

Preferably, the supporting seats are respectively connected to the middle positions of the left side and the right side of the upper part of the die shell by longitudinal lower end bolts.

Preferably, the air box is an aluminum alloy box with openings at the left end and the right end.

Preferably, the impurity filtering net is a rectangular stainless steel filtering net.

Preferably, the cooling pipe is a straight red copper condenser pipe.

Preferably, the bellows is longitudinally bolted to the upper inner portion between the support rods.

Preferably, the cutting knife flywheel body specifically adopts a stainless steel knife flywheel.

Preferably, the linear slide rail is transversely bolted at the middle position of the right side of the bottom of the die shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, filter screen, water conservancy diversion are fought, the setting of delivery pipe and mechanical valve is favorable to straining the miscellaneous to the raw materials to guarantee the clean nature of lead core preparation.

2. The utility model discloses in, the water conservancy diversion fill, dismantle the setting of bolt and supporting seat, be favorable to dismantling the clearance water conservancy diversion fill, be convenient for clear up.

3. The utility model discloses in, the air inlet fan, bellows, filter miscellaneous net, the setting of tube socket and cooling tube is favorable to cooling work of cooling down to extrusion moulding's plumule to guarantee plumule shaping effect.

4. The utility model discloses in, the setting of straining miscellaneous net, be favorable to playing and strain miscellaneous effect, guarantee the clean nature of cooling.

5. The utility model discloses in, decide the break bar body, decide the motor, remove the casing, U type slider, linear slide rail and the setting of removing the handle are favorable to increasing and decide the function to guarantee that the pencil lead decides the convenience, guarantee to decide the face planarization.

6. The utility model discloses in, dismantlement pipe, the bracing piece, firm base and square head bolt's setting is favorable to dismantling the installation mould casing, the clearance of being convenient for.

7. The utility model discloses in, clearance board, the setting of clearance bolt and mould casing is favorable to clearing up the inside impurity of mould casing, the operation of being convenient for.

8. The utility model discloses in, the setting of heating plate, heater strip and line bank, be favorable to guaranteeing the required temperature of shaping, guarantee lead shaping effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the detachable raw material impurity filtering and discharging hopper structure of the utility model.

Fig. 3 is a schematic structural view of the cooling forming fan structure of the present invention.

Fig. 4 is a schematic structural view of the movable pencil lead cutting knife wheel structure of the present invention.

In the figure:

1. cleaning the plate; 2. cleaning the bolt; 3. a mold housing; 4. a conical die head; 5. extruding a catheter; 6. a heating plate; 7. heating wires; 8. a line bank; 9. disassembling the pipe; 10. a support bar; 11. a stable base; 12. a square head bolt; 13. a detachable raw material impurity filtering and discharging hopper structure; 131. filtering with a screen; 132. a flow guide hopper; 133. a discharge pipe; 134. a mechanical valve; 135. disassembling the bolt; 136. a supporting seat; 14. the fan structure can be formed by auxiliary cooling; 141. a fan inlet; 142. an air box; 143. filtering the impurity net; 144. a tube holder; 145. a cooling pipe; 15. a movable pencil lead cutting knife wheel structure; 151. cutting off the cutter wheel body; 152. cutting off the motor; 153. moving the housing; 154. a U-shaped slider; 155. a linear slide rail; 156. the handle is moved.

Detailed Description

The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a novel multifunctional plastic pencil lead extrusion molding die comprises a cleaning plate 1, a cleaning bolt 2, a die shell 3, a cone-shaped die head 4, an extrusion conduit 5, a heating plate 6, a heating wire 7, a wiring row 8, a disassembly pipe 9, a support rod 10, a stable base 11, a square-head bolt 12, a detachable raw material impurity filtering and discharging bucket structure 13, an auxiliary cooling and cooling molding fan structure 14 and a movable lead cutting knife wheel structure 15, wherein the cleaning plate 1 is longitudinally installed at the right outlet of the die shell 3 through the cleaning bolt 2; the upper part of the conical die head 4 is bolted at the middle position of the top of the inner side of the die shell 3; the extrusion conduit 5 longitudinally penetrates through the middle position of the bottom of the inner side of the die shell 3, and the upper end of the extrusion conduit is in threaded connection with the outlet at the lower end of the conical die head 4; the heating sheets 6 are respectively connected to the left side and the right side of the conical die head 4 through screws; the heating wire 7 is wound on the outer surface of the upper end of the conical die head 4; the wiring bar 8 is longitudinally bolted on the left upper side of the die shell 3; the heating sheet 6 and the heating wire 7 are respectively and electrically connected with the wiring row 8; the upper longitudinal ends of the dismounting pipes 9 are respectively connected with the four corners of the bottom of the die shell 3 through threads; the support rods 10 are respectively connected with four corners of the upper part of the stable base 11 by bolts at one longitudinal end, and the other ends are respectively inserted into the dismounting pipes 9 and are fastened and connected by square-head bolts 12; the detachable raw material impurity filtering and discharging hopper structure 13 is connected with the die shell 3; the auxiliary cooling forming fan structure 14 is connected with the supporting rod 10; the movable lead core cutting cutter wheel structure 15 is connected with the die shell 3; the detachable raw material impurity filtering and discharging hopper structure 13 comprises a filter screen 131, a diversion hopper 132, a discharging pipe 133, a mechanical valve 134, a detaching bolt 135 and a supporting seat 136, wherein the filter screen 131 is transversely screwed at the middle upper part of the inner side of the diversion hopper 132; the longitudinal upper end of the discharge pipe 133 is in threaded connection with the outlet at the lower end of the flow guide hopper 132; a mechanical valve 134 is connected to the middle of the front part of the discharge pipe 133 through a thread; the inboard upper portion between supporting seat 136 is installed through dismantling bolt 135 in the upper end of water conservancy diversion fill 132, it is inside to introduce the water conservancy diversion fill 132 with the preparation raw materials, and filter the miscellaneous through filter screen 131, later through opening mechanical valve 134, can make the raw materials discharge through discharge pipe 133, so that flow in inside conical die head 4, carry out the extrusion moulding operation, pass through wiring row 8 with the help of outside temperature controller and insert the power, make heating plate 6 and heater strip 7 heat, the accessible outside thermometer detects heating temperature, in order to guarantee the required temperature of shaping.

In this embodiment, referring to fig. 3, the auxiliary cooling forming fan structure 14 includes an air inlet fan 141, an air box 142, a impurity filtering net 143, a pipe seat 144 and a cooling pipe 145, wherein the air inlet fan 141 is respectively screwed to the inlet of the upper and lower middle positions on the left side of the air box 142; the middle position inside the air box 142 is longitudinally screwed with a sundry filtering net 143; the pipe seat 144 is respectively and transversely bolted on the upper part and the lower part of the right side of the air box 142; the cooling tube 145 is longitudinally inserted in the middle position of the inner side between the tube seats 144, when the raw material is discharged and formed through the conical die head 4 and the extrusion guide tube 5, the raw material is continuously blown to the inside of the wind box 142 through the fan 141, impurity filtering is carried out through the impurity filtering net 143, and cold air emitted from the cooling tube 145 is blown to the formed lead core, so that the forming efficiency is ensured.

In this embodiment, referring to fig. 4, the movable lead cutting-off cutter wheel structure 15 includes a cutting-off cutter wheel body 151, a cutting-off motor 152, a movable housing 153, a U-shaped slider 154, a linear slide rail 155 and a movable handle 156, wherein the cutting-off cutter wheel body 151 is bolted to the lower end of an output shaft of the cutting-off motor 152; the cutting motor 152 is longitudinally bolted on the lower side of the interior of the movable machine shell 153; the movable machine shell 153 is in screw connection with the middle position of the lower surface of the U-shaped sliding block 154; the U-shaped sliding block 154 is slidably clamped at the lower part of the outer wall of the linear sliding rail 155; remove handle 156 rear end threaded connection in the anterior downside intermediate position of removing casing 153, when deciding, handheld removal handle 156 for remove casing 153 and remove at linear slide rail 155 outer wall through U type slider 154, and make decide motor 152 and drive and decide break cutting wheel body 151 swivelling movement, can decide the work, guarantee that the lead core decides the face planarization.

In this embodiment, specifically, the filter screen 131 specifically uses a circular stainless steel filter screen.

In this embodiment, the diversion funnel 132 specifically adopts a funnel-shaped stainless steel funnel.

In this embodiment, specifically, the support seat 136 is respectively bolted at the middle positions of the left and right sides of the upper portion of the mold housing 3 at the lower end in the longitudinal direction.

In this embodiment, specifically, the air box 142 is an aluminum alloy box with openings at left and right ends.

In this embodiment, the trash filter 143 is a rectangular stainless steel screen.

In this embodiment, specifically, the cooling tube 145 specifically uses a straight red copper condenser tube.

In this embodiment, specifically, the bellows 142 is longitudinally bolted to the upper inner portion between the support rods 10.

In this embodiment, the cutting wheel body 151 specifically adopts a stainless steel cutting wheel.

In this embodiment, specifically, the linear slide rail 155 is transversely bolted to the middle position on the right side of the bottom of the mold housing 3.

In this embodiment, specifically, the heating sheet 6 specifically employs a PTC heating sheet, and the heating wire 7 specifically employs a resistance wire.

In this embodiment, specifically, the air inlet fan 141 specifically employs a 12V-type heat dissipation fan, and the cutting motor 152 specifically employs a 775-type motor.

Principle of operation

In the utility model, the raw material is introduced into the flow guide hopper 132 and filtered by the filter screen 131, then the raw material is discharged through the discharge pipe 133 by opening the mechanical valve 134 so as to flow into the conical die head 4 for extrusion molding operation, the heating plate 6 and the heating wire 7 are heated by connecting the power supply through the wiring row 8 by means of the external temperature controller, the heating temperature can be detected by the external thermometer to ensure the temperature required by molding, when the raw material is discharged and molded through the conical die head 4 and the extrusion conduit 5, the air is continuously blown into the air box 142 by the air inlet fan 141 and filtered by the impurity filtering net 143, and the cold air emitted by the cooling pipe 145 is blown to the molded lead core to ensure the molding efficiency, when cutting, the movable handle 156 is held by hand, so that the movable case 153 moves on the outer wall of the linear slide rail 155 through the U-shaped slider 154, and make decide motor 152 and drive and decide cutting wheel body 151 swivelling movement, can decide work, guarantee that the lead core decides the face planarization.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The novel multifunctional plastic pencil lead core extrusion molding die is characterized by comprising a cleaning plate (1), a cleaning bolt (2), a die shell (3), a conical die head (4), an extrusion conduit (5), a heating sheet (6), a heating wire (7), a wiring row (8), a disassembly pipe (9), a supporting rod (10), a stable base (11), a square-head bolt (12), a detachable raw material impurity filtering and discharging hopper structure (13), a cooling forming fan structure (14) and a movable lead core cutting knife wheel structure (15), wherein the cleaning plate (1) is longitudinally installed at a right outlet of the die shell (3) through the cleaning bolt (2); the upper part of the conical die head (4) is in bolted connection with the middle position of the top of the inner side of the die shell (3); the extrusion conduit (5) longitudinally penetrates through the middle position of the bottom of the inner side of the die shell (3), and the upper end of the extrusion conduit is in threaded connection with an outlet at the lower end of the conical die head (4); the heating sheets (6) are respectively connected to the left side and the right side of the conical die head (4) through screws; the heating wire (7) is wound on the outer surface of the upper end of the conical die head (4); the wiring bar (8) is longitudinally bolted on the left upper side of the die shell (3); the heating sheet (6) and the heating wire (7) are respectively and electrically connected with the wiring row (8); the upper longitudinal ends of the dismounting pipes (9) are respectively in threaded connection with the four corners of the bottom of the die shell (3); the support rods (10) are respectively connected with four corners of the upper part of the stable base (11) through bolts at one longitudinal end, and the other ends are respectively inserted into the dismounting pipes (9) and are fixedly connected through square-head bolts (12); the detachable raw material impurity filtering and discharging hopper structure (13) is connected with the mould shell (3); the auxiliary cooling forming fan structure (14) is connected with the supporting rod (10); the movable lead core cutting cutter wheel structure (15) is connected with the die shell (3); the detachable raw material impurity filtering and discharging hopper structure (13) comprises a filter screen (131), a diversion hopper (132), a discharging pipe (133), a mechanical valve (134), a detaching bolt (135) and a supporting seat (136), wherein the filter screen (131) is transversely screwed at the middle upper part of the inner side of the diversion hopper (132); the longitudinal upper end of the discharge pipe (133) is in threaded connection with the lower end outlet of the flow guide hopper (132); a mechanical valve (134) is connected to the middle position of the front part of the discharge pipe (133) in a threaded manner; the upper end of the flow guide hopper (132) is arranged at the upper part of the inner side between the supporting seats (136) through a dismounting bolt (135).

2. The new multifunctional plastic pencil lead extrusion molding mold as claimed in claim 1, wherein the auxiliary cooling molding fan structure (14) comprises an air inlet fan (141), an air box (142), a trash screen (143), a tube seat (144) and a cooling pipe (145), the air inlet fan (141) is respectively screwed at the inlet of the upper and lower middle positions on the left side of the air box (142); the longitudinal screw in the middle of the inside of the air box (142) is connected with a sundry filtering net (143); the pipe seat (144) is respectively and transversely bolted on the upper part and the lower part of the right side of the air box (142); the cooling pipe (145) is longitudinally inserted in the middle position of the inner side between the pipe seats (144).

3. The novel multifunctional plastic pencil lead extrusion molding mold of claim 1, characterized in that the movable lead cutting-off cutter wheel structure (15) comprises a cutting-off cutter wheel body (151), a cutting-off motor (152), a movable machine shell (153), a U-shaped slider (154), a linear slide rail (155) and a movable handle (156), wherein the cutting-off cutter wheel body (151) is bolted to the lower end of an output shaft of the cutting-off motor (152); the cutting motor (152) is longitudinally bolted on the lower side in the movable machine shell (153); the movable machine shell (153) is connected to the middle position of the lower surface of the U-shaped sliding block (154) through a screw; the U-shaped sliding block (154) is clamped at the lower part of the outer wall of the linear sliding rail (155) in a sliding manner; the rear end of the movable handle (156) is screwed at the middle position of the lower side of the front part of the movable shell (153).

4. The new multifunctional plastic pencil lead extrusion molding mold as claimed in claim 1, characterized in that the filter screen (131) is a circular stainless steel filter screen.

5. The new multifunctional plastic pencil lead extrusion molding mold as claimed in claim 1, wherein the flow guide funnel (132) is a funnel-shaped stainless steel funnel.

6. The new multifunctional plastic pencil lead extrusion molding mold as claimed in claim 1, wherein said supporting seat (136) is bolted to the middle position of the upper left and right sides of the mold housing (3) at the lower longitudinal ends thereof, respectively.

7. The new multifunctional plastic pencil lead extrusion molding mold as claimed in claim 2, characterized in that the air box (142) is an aluminum alloy box with openings at left and right ends.

8. The new multifunctional plastic pencil lead extrusion molding die of claim 2, characterized in that the impurity filtering net (143) is a rectangular stainless steel filtering net.

9. The new multifunctional plastic pencil lead extrusion molding mold as claimed in claim 2, characterized in that the cooling pipe (145) is a straight red copper condenser pipe.

10. A novel multifunctional plastic pencil lead extrusion molding die as set forth in claim 2, characterized in that said bellows (142) is longitudinally bolted to the upper inner portion between the support bars (10).