Pencil production forming device with automatic cutting function

By introducing automatic cutting and drying functions into the pencil production forming device, the deformation problem caused by the superposition of pencil cores after cutting in traditional technology is solved, the operation process is simplified and the drying and shaping of pencil cores is achieved.

CN119116575AInactive Publication Date: 2024-12-13ANHUI TUQIANG STATIONERY MFG
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Patent Information

Application Number
CN202411375719.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2024-12-13
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The refills extruded by traditional core presses are easily superimposed after cutting, resulting in deformation and increasing the cumbersome operation and workload of workers.

Method used

A pencil production and forming device with automatic cutting function was designed, and the pencil core was cut and collected by hydraulic rods and motor-driven arc plates, and drying and shaping was achieved in combination with a hot air fan, avoiding the need to manually separate the semi-finished refill core.

Benefits of technology

It effectively solves the deformation problem caused by the superposition of the cut pencil core, simplifies the operation process, reduces the workload of staff, and realizes the drying and shaping of the pencil core.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of pencil lead production, and discloses a pencil production forming device with an automatic cutting-off function, which comprises a bottom plate, two fixing frames are fixedly welded on the outer wall of the top of the bottom plate, an extrusion cylinder is fixedly mounted on one side, far away from the bottom plate, of each fixing frame, and a mounting plate is fixedly mounted on the top of the bottom plate. A hydraulic rod is fixedly mounted on the outer wall of the mounting plate, and a collecting plate is movably connected to the side, away from the bottom plate, of the air heater. According to the pencil production forming device with the automatic cutting-off function, mixed raw materials of graphite and clay are put into a discharging hopper, the raw materials are extruded and formed into pencil leads, the pencil leads are cut, the pencil leads are poured onto an inclined plate through an arc-shaped plate, the pencil leads roll into a collecting plate, and the collecting plate is used for collecting the pencil leads; the pencil leads entering the collecting plate are dried by the air heater, and the problems that the cut pencil leads can be stacked together, the pencil leads can deform, workers need to move and separate the pencil leads, operation is tedious, and the workload of the workers is increased are solved.
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Description

Technical Field

[0001] The invention relates to the technical field of pencil lead production, in particular to a pencil production and forming device with an automatic cutting function. Background Art

[0002] As a learning tool, pencils play an important role in life. The production of pencils is usually completed by assembling and connecting the finished and qualified pencil core and the pen shell. The production of the pencil core is usually to mix graphite and clay in a certain proportion, squeeze it into shape through a core press, and then gather and cut it, and then place it on a special wooden board for qualitative, and finally complete the subsequent hardening and soaking operations; The pencil leads squeezed out by traditional pencil core pressing machines need to be cut into segments and extruded into shapes. The cut pencil leads will be stacked together, which can easily cause several pencil leads to stick together and deform, affecting the subsequent production and processing of pencils. Workers are required to move and separate the semi-finished pencil leads, making the operation more cumbersome and increasing the workload of the staff. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a pencil production and forming device with an automatic cutting function to solve the problem mentioned in the above background technology that the cut pencil leads will be stacked together, causing the pencil leads to be deformed, and workers are required to move and separate the semi-finished pencil leads, which makes the operation more cumbersome and increases the workload of the staff.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a pencil production and forming device with automatic cutting function, comprising a bottom plate, two fixing frames are fixedly welded on the top outer wall of the bottom plate, an extrusion cylinder is fixedly installed on the side of the two fixing frames away from the bottom plate, a mounting plate is fixedly installed on the top of the bottom plate, a hydraulic rod is fixedly installed on the outer wall of the mounting plate, a pressing plate is fixedly installed on the output end of the hydraulic rod, a blocking cover is threadedly connected to the left outer wall of the extrusion cylinder, an extrusion tube is fixedly connected to the axis of the blocking cover, an extrusion die is movably connected to the inside of the extrusion tube, a collar is threadedly connected to the outer wall of the extrusion tube, a cross plate is slidably connected to the outer wall of the bottom plate, a support plate is installed at the top height of the cross plate, a motor is fixedly installed on the left side of the support plate, a plurality of arc plates are fixedly installed on the output end of the motor, an inclined plate is fixedly installed on the top outer wall of the bottom plate, a hot air blower is fixedly installed on the top outer wall of the bottom plate, and a collecting plate is movably connected to the hot air blower on the side away from the bottom plate.

[0005] Preferably, two sliding rods are fixedly mounted on the outer wall of the extrusion cylinder, the outer walls of the two sliding rods are slidably connected with a lower hopper, and a blocking plate is fixedly mounted on the left side of the lower hopper.

[0006] Preferably, handles are fixedly installed on both sides of the collecting plate, a plurality of positioning holes are opened inside the hot air blower, and a plurality of positioning rods are fixedly installed on one side of the collecting plate close to the hot air blower.

[0007] Preferably, two moving rods are fixedly mounted on the outer wall of the bottom plate, a spring is fixedly welded to the right outer wall of the horizontal plate, and a top plate is fixedly mounted on the right sides of the two moving rods.

[0008] Preferably, a latch is slidably connected inside the transverse plate, a sliding hole is formed on the outer wall of the movable rod, and the sliding hole and the latch are arranged correspondingly.

[0009] Preferably, the left outer wall of the top plate is fixedly welded to the outer wall of the spring, and a handle is fixedly mounted on the right outer wall of the support plate.

[0010] Preferably, cutting knives are fixedly mounted on both ends of the plurality of arc-shaped plates, and extension plates are disposed on outer walls of the plurality of arc-shaped plates.

[0011] Preferably, a rubber plate is provided on the outer wall of the inclined plate, and the right side of the inclined plate is arranged directly above the collecting plate.

[0012] Preferably, a plurality of air holes are provided inside the collecting plate, and the plurality of air holes are arranged corresponding to the output end of the hot air blower.

[0013] Preferably, the plurality of positioning holes are respectively arranged corresponding to the outer walls of the plurality of positioning rods, a discharge port is opened inside the extrusion cylinder, and the discharge hopper is arranged corresponding to the discharge port, and the outer wall of the discharge hopper and the sealing plate is slidably connected to the outer wall of the extrusion cylinder.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The pencil production and forming device with automatic cutting function, by putting the mixed raw materials of graphite and clay into the lower hopper, the hydraulic rod drives the pressing plate to move, the raw materials are squeezed and formed into pencil leads, the pencil leads are cut, and the curved plate pours the pencil leads onto the inclined plate. Due to the inclined setting of the inclined plate, the pencil leads will roll into the inside of the collecting plate, and the pencil leads on the collecting plate will gradually be shaped under the drying of the hot air blower, so the effect of drying and shaping can be achieved, which solves the problem that the cut pencil leads will be stacked together, resulting in deformation of the pencil leads, and workers are required to move and separate the semi-finished pencil leads, which makes the operation more cumbersome and increases the workload of the staff.

[0015] 2. The pencil production and forming device with automatic cutting function rotates the ring to take the ring out of the outer wall of the extrusion tube, then moves the extrusion die, moves the extrusion die out of the extrusion tube, puts the new extrusion die into the extrusion tube, and then puts the ring on the outer wall of the extrusion tube to achieve the effect of extruding and fixing the extrusion die, so as to achieve the effect of conveniently replacing the extrusion die.

[0016] 3. The pencil production and forming device with automatic cutting function is provided with a rubber plate on the outer wall of the inclined plate. Since the rubber plate has a certain resilience, it will not be deformed due to the extrusion of the arc plate. The right side of the inclined plate is arranged just above the collecting plate, and the pencil lead can be collected to achieve the effect of collecting the pencil lead after cutting.

[0017] 4. The pencil production and forming device with automatic cutting function has ventilation holes inside the collecting plate to achieve the effect of supplying hot air flow. The ventilation holes are correspondingly arranged with the output end of the hot air blower to achieve the effect of drying the pencil lead inside the collecting plate, so as to achieve the effect of drying and shaping the pencil lead. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the structure of the present invention; Figure 2 It is a schematic side view of the structure of the present invention; Figure 3 It is an exploded stereoscopic schematic diagram of the extrusion cylinder and its related structures of the present invention; Figure 4 It is a three-dimensional schematic diagram of the fixing frame and related structures of the present invention; Figure 5 It is a three-dimensional schematic diagram of the curved plate and its related structures of the present invention; Figure 6 It is a three-dimensional schematic diagram of the hot air blower of the present invention and its related structures; Figure 7 It is a three-dimensional schematic diagram of the lower hopper and its related structures of the present invention.

[0019] In the figure: 1. bottom plate; 2. fixed frame; 3. extrusion cylinder; 4. hydraulic rod; 5. pressure plate; 6. sliding rod; 7. lower hopper; 8. blocking plate; 9. blocking cover; 10. extrusion tube; 11. extrusion die; 12. sleeve ring; 13. moving rod; 14. spring; 15. cross plate; 16. support plate; 17. motor; 18. arc plate; 19. latch; 20. sliding hole; 21. inclined plate; 22. hot air blower; 23. collecting plate; 24. handle; 25. positioning hole; 26. positioning rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Example: Please refer to Figures 1-7. A pencil production and forming device with automatic cutting function comprises a bottom plate 1, two fixing frames 2 are fixedly welded on the top outer wall of the bottom plate 1, an extrusion cylinder 3 is fixedly installed on the side of the two fixing frames 2 away from the bottom plate 1, a mounting plate is fixedly installed on the top of the bottom plate 1, a hydraulic rod 4 is fixedly installed on the outer wall of the mounting plate, a pressing plate 5 is fixedly installed on the output end of the hydraulic rod 4, a plugging cover 9 is threadedly connected to the left outer wall of the extrusion cylinder 3, an extrusion tube 10 is fixedly connected to the axis of the plugging cover 9, an extrusion die 11 is movably connected inside the extrusion tube 10, a collar 12 is threadedly connected to the outer wall of the extrusion tube 10, a transverse plate 15 is slidably connected to the outer wall of the bottom plate 1, a support plate 16 is installed at the top height of the transverse plate 15, a motor 17 is fixedly installed on the left side of the support plate 16, and a plurality of arc plates 18 are fixedly installed on the output end of the motor 17, an inclined plate 21 is fixedly installed on the top outer wall of the bottom plate 1, a hot air blower 22 is fixedly installed on the top outer wall of the bottom plate 1, and a collecting plate 23 is movably connected to the hot air blower 22 on the side away from the bottom plate 1; Specifically, in actual use of the device, the graphite and clay mixed raw materials are put into the lower hopper 7, and then the lower hopper 7 is moved to drive the blocking plate 8 to move, and the extrusion cylinder 3 is blocked. The hydraulic rod 4 is turned on, and the hydraulic rod 4 will drive the pressing plate 5 to move, and the pressing plate 5 extrude the raw materials. The extruded raw materials will pass through the inside of the extrusion tube 10, and then through the extrusion die 11, the raw materials will be extruded into pencil leads, and the extruded pencil leads will gradually fall into the inclined arc plate 18. At this time, the motor 17 is turned on, and the motor 17 will drive the arc plate 18 to rotate, and then the arc plate 18 will cut the pencil lead when it is staggered with the extrusion die 11, and the cut pencil leads will be cut into pencil leads. The pencil lead will rotate with the curved plate 18. When the curved plate 18 carrying the pencil lead moves to the right, the curved plate 18 will pour the pencil lead onto the inclined plate 21 due to the rotation. Then, due to the inclined setting of the inclined plate 21, the pencil lead will roll into the inside of the collecting plate 23. The rotating pencil lead will be smoother and can be further shaped. The pencil lead entering the collecting plate 23 will gradually be shaped under the drying of the hot air blower 22, and the effect of drying and shaping can be achieved, which solves the problem that the cut pencil leads will be stacked together, causing the pencil leads to be deformed, and workers are required to move and separate the semi-finished pencil leads, making the operation more cumbersome and increasing the workload of the staff. In the embodiment: two slide bars 6 are fixedly installed on the outer wall of the extrusion cylinder 3, the outer walls of the two slide bars 6 are slidably connected with a lower hopper 7, and a blocking plate 8 is fixedly installed on the left side of the lower hopper 7; Specifically, two slide bars 6 are provided at the top of the extrusion cylinder 3, which can move the lower hopper 7. When the lower hopper 7 is moved, the extrusion cylinder 3 can be blocked; In the embodiment: handles 24 are fixedly installed on both sides of the collecting plate 23, a plurality of positioning holes 25 are opened inside the hot air blower 22, and a plurality of positioning rods 26 are fixedly installed on one side of the collecting plate 23 close to the hot air blower 22; Specifically, handles 24 are provided on both sides of the collecting plate 23, so that the collecting plate 23 can be easily moved out of the top of the hot air blower 22. Positioning holes 25 are provided inside the hot air blower 22, which are arranged correspondingly to the positioning rods 26, so as to achieve the effect of fixing the collecting plate 23, and the collecting plate 23 can be fixed on the hot air blower 22. In the embodiment: two moving rods 13 are fixedly installed on the outer wall of the bottom plate 1, a spring 14 is fixedly welded to the right outer wall of the horizontal plate 15, and a top plate is fixedly installed on the right side of the two moving rods 13; Specifically, a moving rod 13 is provided on the outer wall of the bottom plate 1, and the moving rod 13 can support the horizontal plate 15. A spring 14 is welded on the right side of the horizontal plate 15, and the spring 14 serves as a support. A top plate is provided on the right side of the moving rod 13, and the top plate is connected to the spring 14, so as to achieve the effect of connecting and supporting the spring 14. In the embodiment: a latch 19 is slidably connected inside the horizontal plate 15, a sliding hole 20 is opened on the outer wall of the moving rod 13, and the sliding hole 20 is arranged corresponding to the latch 19; Specifically, a latch 19 is slidably connected inside the horizontal plate 15, and a sliding hole 20 is opened on the outer wall of the moving rod 13. When the horizontal plate 15 moves, the latch 19 is inserted into the sliding hole 20, and then the horizontal plate 15 is restricted from moving leftward, which does not affect the replacement of the extrusion die 11. In the embodiment: the left outer wall of the top plate is fixedly welded to the outer wall of the spring 14, and a handle is fixedly installed on the right outer wall of the support plate 16; Specifically, the top plate spring 14 is welded together to provide a support point for the spring 14. The outer wall of the support plate 16 is provided with a handle, which can move the support plate 16 out, and drive the horizontal plate 15 to move rightward. The horizontal plate 15 will drive the motor 17 and the arc plate 18 away from the extrusion die 11 to prevent the arc plate 18 from affecting the replacement of the die. In the embodiment: cutting knives are fixedly installed at both ends of the plurality of arc-shaped plates 18, and extension plates are arranged on the outer walls of the plurality of arc-shaped plates 18; Specifically, cutting knives are provided at both ends of the arc plate 18, and the cutting knives corresponding to the extrusion die 11 on the left side can cut the pencil lead to achieve the effect of cutting off the pencil lead, and the outer wall of the arc plate 18 is provided with an extension plate to achieve the effect of guiding out the pencil lead; In the embodiment: the outer wall of the inclined plate 21 is provided with a rubber plate, and the right side of the inclined plate 21 is provided directly above the collecting plate 23; Specifically, a rubber sheet is disposed on the outer wall of the inclined plate 21. Since the rubber sheet has a certain resilience, it will not be deformed due to the extrusion of the arc plate 18. The right side of the inclined plate 21 is disposed just above the collecting plate 23, and the pencil leads can be collected to achieve the effect of collecting the pencil leads after cutting. In the embodiment: a plurality of air holes are provided inside the collecting plate 23, and the plurality of air holes are arranged corresponding to the output end of the hot air blower 22; Specifically, the collecting plate 23 is provided with air holes inside to achieve the effect of supplying hot air flow, and the air holes are arranged corresponding to the output end of the hot air blower 22 to achieve the effect of drying the pencil lead inside the collecting plate 23, so as to achieve the effect of drying the shaped pencil lead; In the embodiment: a plurality of positioning holes 25 are respectively arranged corresponding to the outer walls of a plurality of positioning rods 26, a feeding port is opened inside the extrusion cylinder 3, and the feeding hopper 7 is arranged corresponding to the feeding port, and the outer walls of the feeding hopper 7 and the blocking plate 8 are slidably connected to the outer wall of the extrusion cylinder 3; Specifically, the positioning hole 25 and the positioning rod 26 are arranged correspondingly, so as to achieve the effect of accurately positioning the collecting plate 23, and the collecting plate 23 can be accurately fixed on the hot air blower 22. The discharge port opened on the extrusion cylinder 3 is arranged correspondingly to the discharge hopper 7, so that graphite and clay can be input into the interior of the extrusion cylinder 3 to achieve the effect of supplying raw materials. The outer walls of the discharge hopper 7 and the blocking plate 8 are slidably connected with the extrusion cylinder 3, so as to achieve the effect of horizontally moving the discharge hopper 7 and the blocking plate 8. When the discharge hopper 7 coincides with the discharge port, the raw materials can be input into the interior of the extrusion cylinder 3, and the blocking plate 8 can be moved, so that the discharge port can be blocked to prevent foreign objects such as impurities from entering the interior of the extrusion cylinder 3. In the embodiment: the hydraulic rod 4, the motor 17 and the hot air blower 22 are existing structures, and the control circuit can be realized by simple programming by technicians in this field. It belongs to the common knowledge in this field. They are only used without modification, so the control method and circuit connection are not described in detail.

[0022] Working principle: Put the mixed raw materials of graphite and clay into the lower hopper 7, the hydraulic rod 4 drives the pressing plate 5 to move, and extrude the raw materials into pencil leads. The motor 17 drives the arc plate 18 to rotate. When the arc plate 18 is staggered with the extrusion die 11, the pencil lead is cut. The arc plate 18 pours the pencil lead onto the inclined plate 21. Because the inclined plate 21 is inclined, the pencil lead will roll into the inside of the collecting plate 23. The rotating pencil lead will be smoother and can be further shaped. The pencil lead entering the collecting plate 23 is gradually shaped under the drying of the hot air blower 22. Compared with the related art, the pencil production and forming device with automatic cutting function provided by the present invention has the following beneficial effects: it can achieve the effect of drying and shaping, and solves the problem that the cut pencil leads will be stacked together, causing the pencil leads to be deformed, and workers are required to move and separate the semi-finished pencil leads, which makes the operation more cumbersome and increases the workload of the staff.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pencil production and forming device with automatic cutting function, comprising a base plate (1), characterized in that: Two fixing frames (2) are fixedly welded to the top outer wall of the bottom plate (1); an extrusion cylinder (3) is fixedly installed on the side of the two fixing frames (2) away from the bottom plate (1); a mounting plate is fixedly installed on the top of the bottom plate (1); a hydraulic rod (4) is fixedly installed on the outer wall of the mounting plate; a pressure plate (5) is fixedly installed on the output end of the hydraulic rod (4); a plugging cover (9) is threadedly connected to the left outer wall of the extrusion cylinder (3); an extrusion tube (10) is fixedly connected to the axis of the plugging cover (9); an extrusion die (11) is movably connected to the inside of the extrusion tube (10); and the extrusion die (11) is movably connected to the inside of the extrusion tube (10). The outer wall of the pressure tube (10) is threadedly connected to a collar (12), the outer wall of the bottom plate (1) is slidably connected to a transverse plate (15), a support plate (16) is installed at the top height of the transverse plate (15), a motor (17) is fixedly installed on the left side of the support plate (16), a plurality of arc-shaped plates (18) are fixedly installed on the output end of the motor (17), an inclined plate (21) is fixedly installed on the top outer wall of the bottom plate (1), a hot air blower (22) is fixedly installed on the top outer wall of the bottom plate (1), and a collecting plate (23) is movably connected to the side of the hot air blower (22) away from the bottom plate (1).

2. The pencil production and forming device with automatic cutting function according to claim 1, characterized in that: Two sliding rods (6) are fixedly mounted on the outer wall of the extrusion cylinder (3); a lower hopper (7) is slidably connected to the outer walls of the two sliding rods (6); and a blocking plate (8) is fixedly mounted on the left side of the lower hopper (7).

3. The pencil production and forming device with automatic cutting function according to claim 1, characterized in that: Handles (24) are fixedly mounted on both sides of the collecting plate (23); a plurality of positioning holes (25) are provided inside the hot air blower (22); a plurality of positioning rods (26) are fixedly mounted on one side of the collecting plate (23) close to the hot air blower (22); and the plurality of positioning holes (25) are respectively arranged corresponding to the outer walls of the plurality of positioning rods (26).

4. The pencil production and forming device with automatic cutting function according to claim 1, characterized in that: Two moving rods (13) are fixedly mounted on the outer wall of the bottom plate (1), a spring (14) is fixedly welded to the right outer wall of the transverse plate (15), and a top plate is fixedly mounted on the right sides of the two moving rods (13).

5. The pencil production and forming device with automatic cutting function according to claim 4, characterized in that: A latch pin (19) is slidably connected inside the transverse plate (15), a sliding hole (20) is provided on the outer wall of the moving rod (13), and the sliding hole (20) and the latch pin (19) are arranged correspondingly.

6. The pencil production and forming device with automatic cutting function according to claim 4, characterized in that: The left outer wall of the top plate is fixedly welded to the outer wall of the spring (14), and a handle is fixedly mounted on the right outer wall of the support plate (16).

7. The pencil production and forming device with automatic cutting function according to claim 1, characterized in that: Cutting knives are fixedly mounted on both ends of the plurality of arc-shaped plates (18), and extension plates are arranged on the outer walls of the plurality of arc-shaped plates (18).

8. The pencil production and forming device with automatic cutting function according to claim 1, characterized in that: The outer wall of the inclined plate (21) is provided with a rubber plate, and the right side of the inclined plate (21) is arranged directly above the collecting plate (23).

9. The pencil production and forming device with automatic cutting function according to claim 1, characterized in that: A plurality of air holes are provided inside the collecting plate (23), and the plurality of air holes are arranged corresponding to the output end of the hot air blower (22).

10. The pencil production and forming device with automatic cutting function according to claim 2, characterized in that: A material discharge port is provided inside the extrusion cylinder (3), and the material discharge hopper (7) is arranged corresponding to the material discharge port. The outer walls of the material discharge hopper (7) and the sealing plate (8) are slidably connected to the outer wall of the extrusion cylinder (3).