Composite pencil sharpening machine

By combining the spiral roller with the feeding chamber and designing the unloading mechanism, the problem of material jamming in the feeding device of the compound pencil sharpening machine was solved, achieving orderly and smooth pencil discharge and efficient conveying, thus improving work efficiency.

CN223802273UActive Publication Date: 2026-01-16BINZHOU PSL PENCIL CO LTD
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Patent Information

Application Number
CN202520337413.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-01-16
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

The existing compound pencil sharpening machine's feeding device is prone to jamming, resulting in uneven pencil feeding and affecting work efficiency.

Method used

The conveying method uses a combination of a spiral roller and a feeding chamber, and a material unloading mechanism drives the moving block to move back and forth to ensure that the pencils are discharged in an orderly and smooth manner. The drive mechanism drives the spiral roller to rotate synchronously to achieve parallel conveying of pencils at equal intervals.

Benefits of technology

This solved the problem of pencil discharge blockage, improved work efficiency, and ensured the smoothness and consistency of the pencil conveying process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a composite pencil sharpening machine, which relates to the field of composite pencil processing, and comprises a base station, one end of the base station is provided with a material box, a conveying device is arranged above the middle part of the base station, the inner side of the conveying device is provided with a spiral roller, the outer side of the base station is provided with a sharpening device on one side of the spiral roller, and the outer side of the base station is provided with a sharpening device on the other side of the spiral roller. An arc-shaped groove is formed in the end, close to the conveying device, of the material box, and one end of the conveying device is located on the inner side of the arc-shaped groove. The driving mechanism drives the two spiral rollers to rotate synchronously, the two spiral rollers are matched with the inner wall of the discharging cavity, pencils can move in the length direction of the spiral rollers, meanwhile, the material scattering mechanism is used for pushing the moving block to move in a reciprocating mode, and it can be guaranteed that the pencils in the material stacking cavity are discharged orderly and smoothly; the problem of pencil discharging blockage is solved, and then the working efficiency is indirectly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to composite pencil processing field, concretely is a kind of composite pencil point grinding machine. BACKGROUND

[0002] Environment-friendly composite pencil is made of waste paper and other environment-friendly materials to form composite paper by combining plastic film layer, which is not only beautiful but also environmentally friendly. It is similar to the production and processing of existing ordinary pencils, except that the composite pencil uses environmentally friendly materials as a pencil shaft, replacing wooden boards to make pencil shafts.

[0003] The existing pencil point grinding machine grinds the pencil tip through a specific grinding device and a pressing device. During the grinding process, the pencil is fixed on the conveying device, and the pencil tip becomes sharp gradually through the rotation of the point grinding device and the pressure of the pressing device. In addition, the pencil point grinding machine also has a feeding device for feeding the pencil into the grinding area, but the existing feeding device is prone to jamming, causing the pencil to be discharged smoothly. UTILITY MODEL CONTENTS

[0004] The utility model aims to solve the problems mentioned in the background art and provide a composite pencil point grinding machine.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a composite pencil point grinding machine, comprising a base, a material box is installed at one end of the base, and a conveying device is arranged above the middle part of the base, a spiral roller is installed inside the conveying device, a point grinding device is installed on one side of the outer side of the base, an arc-shaped slot is formed at one end of the material box close to the conveying device, one end of the conveying device is located inside the arc-shaped slot, and an arc-shaped conveying slot capable of accommodating composite pencils is arranged between the conveying device and the arc-shaped slot.

[0006] A material stacking cavity is formed in the top of the material box, a discharging cavity is formed at one end of the bottom of the material stacking cavity, a fixed plate is arranged above the upper opening end of the discharging cavity, the fixed plate is fixedly connected with the inner wall of the material stacking cavity, two spiral rollers are placed inside the discharging cavity, the two ends of the spiral rollers are respectively rotatably connected between the fixed plate and the bottom end of the discharging cavity, and a material guiding surface is arranged at the other end of the bottom of the material stacking cavity.

[0007] A through slot is formed in the outer wall of the material box, a moving block is slidably connected inside the through slot, the bottom of the moving block is slidably connected with the top of the fixed plate, and a material loosening mechanism is installed on the outer side end of the material box to reciprocally move the moving block.

[0008] As a further scheme of the utility model: the material guiding surface is an inclined surface, the bottom of the fixed plate is flush with the upper opening of the discharging cavity, the lowest point of the material guiding surface is on the same horizontal line with the upper opening of the discharging cavity, and the bottom of the through groove is on the same horizontal line with the top of the fixed plate.

[0009] As a further scheme of the utility model: the spiral roller, the fixed plate, the moving block and the material guiding surface surround a space capable of accommodating a single composite pencil.

[0010] As a further scheme of the utility model: the horizontal street surface of the moving block is a right-angled trapezoidal structure.

[0011] As a further scheme of the utility model: the discharging cavity is in communication with the arc-shaped conveying groove.

[0012] As a further scheme of the utility model: the material guiding mechanism comprises a connecting rod fixedly connected to the outer side end of the moving block, a gas cylinder is installed below the connecting rod, and a connecting block is connected between the gas cylinder and the connecting rod.

[0013] As a further scheme of the utility model: a driving mechanism is installed below the spiral roller for driving the two spiral rollers to rotate synchronously.

[0014] As a further scheme of the utility model: the driving mechanism comprises two synchronous wheels, the two synchronous wheels are respectively connected to the lower ends of the middle shaft rods of the two spiral rollers, the two synchronous wheels are drivingly connected through a synchronous belt, and a motor for driving the spiral roller to rotate is installed below one of the synchronous wheels.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a driving mechanism is driven two spiral rollers rotate synchronously, utilize two spiral rollers and the inner wall cooperation of discharging cavity, can make the pencil be two spiral rollers'same height's recessed groove of the rotation of the two spiral rollers holds horizontal state, along the length direction of the spiral roller moves, realizes the equal interval parallel uniform speed conveying between the pencil, simultaneously utilizes the material guiding mechanism and reciprocatingly moves the moving block, can ensure that the pencil in the material piling cavity has order and smooth discharge, solves the problem that the pencil discharges and blocks, and then indirectly improves work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2 It is the sectional structure schematic diagram of the utility model;

[0019] Figure 3 It is the utility modelFigure 2 a front view of the utility model;

[0020] Figure 4 It is the schematic diagram of driving mechanism and spiral roller mounting structure of the utility model.

[0021] In the figure: 1, base; 2, material box; 21, material stacking cavity; 22, discharging cavity; 23, through groove; 24, material guide surface; 25, fixed plate; 3, conveying device; 4, pressing device; 5, sharpening device; 6, spiral roller; 7, material loosening mechanism; 701, connecting rod; 702, air cylinder; 703, connecting block; 8, driving mechanism; 801, synchronous wheel; 802, synchronous belt; 803, motor; 9, moving block; 10, arc-shaped slot. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 In the embodiments of the utility model, a composite pencil sharpening machine comprises a base 1, a material box 2 is installed at one end of the base 1, a conveying device 3 is arranged on the upper middle part of the base 1, a spiral roller 6 is installed on the inner side of the conveying device 3, a sharpening device 5 is installed on the outer side of the base 1 at one side of the spiral roller 6, an arc-shaped slot 10 is formed at one end of the material box 2 close to the conveying device 3, one end of the conveying device 3 is located on the inner side of the arc-shaped slot 10, and an arc-shaped conveying slot capable of accommodating the composite pencil is arranged between the conveying device 3 and the arc-shaped slot 10.

[0024] A material stacking cavity 21 is formed in the top of the material box 2, a discharging cavity 22 is formed at one end of the bottom of the material stacking cavity 21, a fixed plate 25 is arranged above the upper opening end of the discharging cavity 22, the fixed plate 25 is fixedly connected with the inner wall of the material stacking cavity 21, two spiral rollers 6 are placed in the discharging cavity 22, the two ends of the spiral rollers 6 are rotatably connected between the fixed plate 25 and the bottom end of the discharging cavity 22, and a material guide surface 24 is arranged at the other end of the bottom of the material stacking cavity 21.

[0025] A through groove 23 is formed in the outer wall of the material box 2, a moving block 9 is slidably connected on the inner side of the through groove 23, the bottom of the moving block 9 is slidably connected with the top of the fixed plate 25, and the outer end of the material box 2 is provided with a material loosening mechanism 7 for driving the moving block 9 to reciprocate.

[0026] The guide surface 24 is an inclined surface, the bottom of the fixed plate 25 is flush with the upper opening of the discharging cavity 22, the lowest point of the guide surface 24 is on the same horizontal line with the upper opening of the discharging cavity 22, and the bottom of the through groove 23 is on the same horizontal line with the top of the fixed plate 25; the spiral rollers 6, the fixed plate 25, the moving block 9 and the guide surface 24 surround a space capable of accommodating a single composite pencil; the lateral surface of the moving block 9 is in a right-angled trapezoidal structure; the discharging cavity 22 is in communication with the arc-shaped conveying groove

[0027] The material-distributing mechanism 7 comprises a connecting rod 701 fixedly connected to the outer side end of the moving block 9, a pneumatic cylinder 702 mounted below the connecting rod 701, and a connecting block 703 connected between the pneumatic cylinder 702 and the connecting rod 701; the spiral rollers 6 are provided with the driving mechanism 8 below for driving the two spiral rollers 6 to synchronously rotate; the driving mechanism 8 comprises two synchronous wheels 801 connected to the lower ends of the central shafts of the two spiral rollers 6, respectively, and a synchronous belt 802 transmissionally connected between the two synchronous wheels 801, wherein a motor 803 for driving the spiral rollers 6 to rotate is mounted below one of the synchronous wheels 801.

[0028] In the embodiment: the two spiral rollers 6 are driven to synchronously rotate by the driving mechanism 8, and the pencils are moved along the length direction of the spiral rollers 6 by the cooperation of the two spiral rollers 6 and the inner wall of the discharging cavity 22, and meanwhile, the moving block 9 is reciprocally moved by the material-distributing mechanism 7, so as to ensure the pencils in the stacking cavity 21 to be orderly and smoothly discharged, thereby solving the problem of pencil discharge blockage and indirectly improving the work efficiency.

[0029] Specifically, the composite pencils are stacked into the stacking cavity 21, then the two spiral rollers 6 are driven to synchronously rotate by the motor 803, and the pencils are conveyed downward along the length direction of the spiral rollers 6 due to the cooperation of the structure of the spiral rollers 6 and the inner wall of the discharging cavity 22, until the pencils are conveyed to the upper opening end of the arc-shaped conveying groove, then the pencils are rolled along the arc direction of the arc-shaped groove under the action of the conveying device 3, so as to be rolled onto the base 1, at this time, the conveying device 3 rolls the pencils in the length direction of the base 1, until the pencils are rolled below the pressing device 4, the pencils are sharpened by the pressing device 4, and then the pencils are conveyed out in the way of assembly line.

[0030] After the pencil codes are placed in the stacking cavity 21, the pencil codes need to be loosened by the loosening mechanism 7. The cylinder 702 drives the connecting rod 701 to drive the moving block 9 to reciprocate. When the moving block 9 moves to the outer end, the space surrounded by the spiral roller 6, the fixed plate 25, the moving block 9 and the guide surface 24 is completely open. At this time, the pencil above the space will fall into the space. Then the moving block 9 moves to the inner end, and the pencil above the space falls into the space is pushed away by the moving block 9, so that the pencil in the space can be smoothly conveyed away by the two spiral rollers 6.

[0031] It should be noted that the conveying device 3, the pressing device 4 and the sharpening device 5 in the present scheme are all parts of the existing pencil sharpening machine, and will not be described here.

[0032] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A compound pencil sharpening machine, comprising a base (1), one end of which is provided with a hopper (2), and the middle of which is provided with a conveying device (3) above, the inner side of which is provided with a spiral roller (6), and the outer side of which is provided with a sharpening device (5) on one side of the spiral roller (6), characterized in that, The arc-shaped slot (10) is arranged at one end of the material box (2) close to the conveying device (3), and one end of the conveying device (3) is located at the inner side of the arc-shaped slot (10); an arc-shaped conveying slot for accommodating the composite pencil is arranged between the conveying device (3) and the arc-shaped slot (10). The top of the material box (2) is provided with a stacking cavity (21), one end of the bottom of the stacking cavity (21) is provided with a discharging cavity (22), the upper opening end of the discharging cavity (22) is provided with a fixed plate (25), the fixed plate (25) is fixedly connected with the inner wall of the stacking cavity (21), and two spiral rollers (6) are arranged in the discharging cavity (22); the two ends of the spiral roller (6) are rotatably connected between the fixed plate (25) and the bottom end of the discharging cavity (22), respectively; and the other end of the bottom of the stacking cavity (21) is provided with a guide surface (24). The outer wall of the material box (2) is provided with a through groove (23), the inner side of the through groove (23) is slidably connected with a moving block (9), the bottom of the moving block (9) is slidably connected with the top of the fixed plate (25), and the outer end of the material box (2) is provided with a material loosening mechanism (7) for driving the moving block (9) to reciprocate.

2. A composite pencil point sharpener according to claim 1, wherein The guide surface (24) is an inclined surface, the bottom of the fixed plate (25) is flush with the upper opening of the discharging cavity (22), the lowest point of the guide surface (24) is on the same horizontal line as the upper opening of the discharging cavity (22), and the bottom of the through groove (23) is on the same horizontal line as the top of the fixed plate (25).

3. A combination pencil sharpener according to claim 2, wherein, The spiral roller (6), the fixed plate (25), the moving block (9) and the guide surface (24) surround a space for accommodating a single composite pencil.

4. A combination pencil sharpener according to claim 3, wherein The lateral surface of the moving block (9) is in a right trapezoidal shape.

5. A combination pencil sharpener according to claim 4 wherein, The discharging cavity (22) is in communication with the arc-shaped conveying slot.

6. A combination pencil sharpener according to claim 5 wherein, The material loosening mechanism (7) comprises a connecting rod (701) fixedly connected to the outer end of the moving block (9), a pneumatic cylinder (702) mounted below the connecting rod (701), and a connecting block (703) connected between the pneumatic cylinder (702) and the connecting rod (701).

7. A combination pencil sharpener according to claim 6 wherein, A driving mechanism (8) is mounted below the spiral roller (6) for driving the two spiral rollers (6) to rotate synchronously.

8. A combination pencil sharpener according to claim 7, wherein, The driving mechanism (8) comprises two synchronous wheels (801), the two synchronous wheels (801) are connected to the lower ends of the middle shafts of the two spiral rollers (6), respectively, the two synchronous wheels (801) are drivingly connected through a synchronous belt (802), and a motor (803) is mounted below one of the synchronous wheels (801) for driving the spiral roller (6) to rotate.