CN112172390A - Pencil automatic sharpening device capable of preventing core breakage by using capacitance - Google Patents
Pencil automatic sharpening device capable of preventing core breakage by using capacitance Download PDFInfo
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- CN112172390A CN112172390A CN202011064391.5A CN202011064391A CN112172390A CN 112172390 A CN112172390 A CN 112172390A CN 202011064391 A CN202011064391 A CN 202011064391A CN 112172390 A CN112172390 A CN 112172390A
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- chuck
- pencil
- swing joint
- sharpening
- movably connected
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L23/00—Sharpeners for pencils or leads
- B43L23/02—Sharpeners for pencils or leads with gearing
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Abstract
The invention relates to the technical field of stationery, and discloses an automatic pencil sharpening device capable of preventing lead breakage by using capacitance, which comprises a shell, wherein the shell is used for supporting and stabilizing the whole device, a scrap storage box is movably connected inside the shell, through the matched use of a moving block, a rotating disc and a sharpener, a pencil can be automatically pushed to move when sharpening is carried out, manual pushing is not needed, the intelligence and convenience are better, errors in the manual pushing process are reduced, through the matched use of a moving polar plate, a first chuck, a second chuck and a first rotating shaft of a fixed polar plate, the quantitative pencil sharpening purpose is finally achieved when sharpening is carried out, the pencil sharpening is prevented from being too long or too short, the breakage of a pencil lead is prevented, through the matched use of a ratchet wheel, a brake rod and an electromagnet, the capacitance is changed by using the thickness when sharpening is carried out, the quantitative pencil sharpening step is linked, the linkage of the whole device is increased, so that the operation is simpler.
Description
Technical Field
The invention relates to the technical field of stationery, in particular to an automatic pencil sharpening device for a pencil, which utilizes capacitance to prevent core breaking.
Background
Most of the stationery used include students or employees of enterprises, wherein for pupils, since they are still in the learning stage, in the process of reading and writing, a pencil is usually used for learning for convenient correction and correction, and the pencil is usually required to be planed when being used, in order to ensure that children are safer when sharpening pencils, parents usually purchase corresponding automatic pencil sharpeners for the children to operate, but the existing automatic pencil sharpeners cannot ensure that pencils are planed quantitatively when being used, only depending on the feeling of users to judge, because the children are younger and the distinguishing consciousness is weaker, no way is available for making correct judgment, thereby make and cause the planing excessively easily when carrying out the planing, lead to the refill fracture, follow-up needs are planed again, comparatively waste time and energy, and cause the waste of refill.
In order to solve the problems, the inventor provides an automatic pencil sharpening device for preventing pencil lead breakage by using capacitance, which has the advantages of quantitative pencil sharpening and preventing lead breakage, solves the problem that the traditional automatic pencil sharpener is simple in arrangement, ensures automatic stop after pencil sharpening is finished, achieves the purpose of quantitative pencil sharpening when the device is used, prevents the pencil lead from being broken, reduces waste, is more suitable for children to operate, and increases the practicability of the whole device.
Disclosure of Invention
Technical scheme (I)
In order to realize the purpose of quantitatively sharpening the pencil so as to prevent the core from being broken, the invention provides the following technical scheme: an automatic pencil sharpening device for a pencil, which utilizes capacity to prevent lead breakage, comprises a shell, the shell is utilized to support and stabilize the whole device, the inner part of the shell is movably connected with a lead storage box, the sharpened pencil scraps are uniformly collected by utilizing the lead storage box, a movable block is movably connected above the lead storage box, the pencil is driven to synchronously move by utilizing the movement of the movable block, the outer side of the movable block is movably connected with a turntable, the right side of the turntable is movably connected with a sharpener, the pencil is automatically sharpened by utilizing the rotation of the sharpener, the right side of the sharpener is movably connected with a first chuck, the sharpener is driven to synchronously rotate by utilizing the rotation of the first chuck, the right side of the first chuck is movably connected with a second chuck, the first chuck is driven to synchronously rotate by utilizing the rotation of the second chuck, a supporting rod is movably connected on the surface of the first chuck and the second chuck in the inner part of, the left side of the supporting rod is movably connected with a ratchet wheel, the outer side of the ratchet wheel is movably connected with a brake rod, an electromagnet is fixedly connected below the brake rod, the inner part of the winding knife is movably connected with a movable polar plate, and a fixed polar plate is movably connected below the movable polar plate.
Preferably, the number of the fixed polar plates is two, the specifications of the two fixed polar plates are consistent, the polarities of the two fixed polar plates are opposite, and the distance between the two fixed polar plates is not less than the length of each fixed polar plate.
Preferably, the surface of the rotating disc is provided with a fixed rod, the surface of the moving block is provided with a curved plate, a symmetrical curved groove is formed in the curved plate, and the size of the curved groove is matched with that of the fixed rod.
Preferably, the outside of movable block is provided with splint, and splint design is the arc, and splint are provided with two, and the specification of two splint is unanimous, and uses the central line of book sword as the reference and be the symmetric distribution, and the outside of splint is provided with the spring, and the spring is in compression state during original state, with two splint equal swing joint.
Preferably, the back of the brake lever is provided with a fixed fulcrum, the right end of the brake lever is provided with a positioning rib matched with the ratchet wheel in size, and the left end of the brake lever is provided with a magnet.
Preferably, the ratchet wheel is movably connected with the support rod through a pull rope, a fixed fulcrum is arranged on the back of the support rod, and the support rod is movably connected with the shell through a plastic spring.
Preferably, the outer sides of the first chuck and the second chuck are provided with two limiting teeth which are clamped with each other, a rotating shaft is arranged in the first chuck, and the outer side of the rotating shaft is provided with a pair of conical gears which are meshed with each other.
(II) advantageous effects
Compared with the prior art, the invention provides the automatic pencil sharpening device for the pencil, which utilizes the capacitance to prevent the core from being broken, and has the following beneficial effects:
1. this utilize electric capacity to prevent pencil of disconnected core from cutting a device with automation uses through the cooperation of movable block, carousel and sharpener for can promote the pencil automatically and remove when cutting a pencil, do not need artifical the promotion, more intelligence and convenience reduce the error of artifical promotion in-process simultaneously.
2. This utilize electric capacity to prevent pencil of disconnected core from with automatic device of cutting for use uses through the cooperation of removing polar plate, the first chuck of fixed polar plate, second chuck and first pivot for finally reach the ration when cutting the pen and cut the purpose of a pencil, avoid the overlength or the short excessively that the pencil was cut, prevent the fracture of refill.
3. This utilize electric capacity to prevent pencil of disconnected core from cutting a device with automation uses through the cooperation of ratchet, brake lever and electro-magnet for utilize thickness to change the electric capacity size when cutting a pencil, the step of cutting a pencil with the ration links, increases the linkage of whole device, makes the operation simpler.
Drawings
FIG. 1 is a cross-sectional view of a connection structure according to the present invention;
FIG. 2 is a top view of a connection structure of a moving block and a turntable according to the present invention;
FIG. 3 is a diagram showing the movement locus of the connecting structure of the movable polar plate and the fixed polar plate according to the present invention;
FIG. 4 is a movement trace diagram of the connecting structure of the ratchet wheel, the brake rod and the moving pole plate according to the present invention;
fig. 5 is a side view of the moving block coupling structure of the present invention.
In the figure: 1. a housing; 2. a crumb storage box; 3. a moving block; 4. a turntable; 5. rolling a cutter; 6. a first chuck; 7. a second chuck; 8. a first rotating shaft; 9. a strut; 10. a ratchet wheel; 11. a brake lever; 12. an electromagnet; 13. moving the polar plate; 14. and fixing the polar plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an automatic pencil sharpening device for pencils using capacity to prevent lead breakage comprises a housing 1, the housing 1 is used to support and stabilize the whole device, a scrap storage box 2 is movably connected to the inside of the housing 1, the scrap storage box 2 is used to collect the sharpened pencil scraps in a unified manner, a moving block 3 is movably connected to the upper side of the scrap storage box 2, a clamping plate is arranged on the outer side of the moving block 3, the clamping plate is designed to be arc-shaped and provided with two clamping plates, the specifications of the two clamping plates are consistent, the two clamping plates are symmetrically distributed with the center line of a sharpener 5 as a reference, a spring is arranged on the outer side of each clamping plate, the spring is in a compressed state in an original state and movably connected with the two clamping plates, a cylinder is fixedly connected to the outer side of each clamping plate, a pencil is inserted into a pencil barrel, the clamping plates move towards two sides along the spring, thereby, when the clamping plate moves, the pencil can be driven to move synchronously, the pencil is driven to move synchronously by the movement of the moving block 3, the outer side of the moving block 3 is movably connected with a rotary disc 4, the surface of the rotary disc 4 is provided with a fixed rod, the surface of the moving block 3 is provided with a curved plate, the inside of the curved plate is provided with a symmetrical curved groove, the size of the curved groove is matched with the size of the fixed rod, the fixed rod is driven to rotate synchronously by the rotation of the rotary disc 4, so that the fixed rod is driven to move along the curved groove, the curved plate is pulled to reciprocate intermittently left and right, the moving block 3 is driven to move synchronously by the movement of the curved plate, finally, the pencil is driven to move synchronously by the clamping plate, the right side of the rotary disc 4 is movably connected with a sharpener 5, the pencil is automatically sharpened by, utilize the rotation of first chuck 6 to drive reel cutter 5 and rotate in step, the outside of first chuck 6 and second chuck 7 is provided with the spacing tooth of two mutual joints, the inside of first chuck 6 is provided with the pivot, and the outside of this pivot is provided with a pair of intermeshing's conical gear, so can drive second chuck 7 and rotate in step when first chuck 6 rotates, finally drive conical gear synchronous revolution, conical gear's the outside is provided with the pivot, through belt swing joint between this pivot and the carousel 4, thereby drive the rotation of carousel 4.
The right side of the first chuck 6 is movably connected with a second chuck 7, the first chuck 6 is driven to synchronously rotate by the rotation of the second chuck 7, the inside of the second chuck 7 is movably connected with a first rotating shaft 8, the surface of the second chuck 7 is movably connected with a supporting rod 9, the left side of the supporting rod 9 is movably connected with a ratchet 10, the ratchet 10 is movably connected with the supporting rod 9 through a pull rope, the back of the supporting rod 9 is provided with a fixed fulcrum, the supporting rod 9 is movably connected with the shell 1 through a plastic spring, when the ratchet 10 rotates, the supporting rod 9 is pulled by the pull rope to swing along the fixed fulcrum, the outer side of the ratchet 10 is movably connected with a brake rod 11, the back of the brake rod 11 is provided with the fixed fulcrum, the right end of the brake rod 11 is provided with a positioning rib which is mutually matched with the size of the ratchet 10, the left end, the below fixedly connected with electro-magnet 12 of brake lever 11, the inside swing joint of book sword 5 has removal polar plate 13, the below swing joint of removal polar plate 13 has fixed polar plate 14, fixed polar plate 14 is provided with two, two fixed polar plate 14's specification are unanimous, and polarity is opposite, distance between two fixed polar plate 14 is not less than the length of fixed polar plate 14, when the pencil is moved along book sword 5 to the right side, can extrude removal polar plate 13, thereby drive removal polar plate 13 and move along fixed polar plate 14, finally trigger second chuck 7 and keep away from first chuck 6, make book sword 5 automatic stop rotatory, reach the purpose that the ration was peeled.
The working principle is that when a pencil needs to be cut, the pencil is inserted into the cylinder, the pencil is in contact with the clamping plate, the clamping plate can be extruded due to the spring arranged between the clamping plate and the cylinder, the clamping plate is driven to move towards the outer side along the spring, the pencil is clamped, the first rotating shaft 8 can be driven to rotate by movably connecting the output shaft of the motor with the first rotating shaft 8, the second chuck 7 is arranged on the outer side of the first rotating shaft 8, the second chuck 7 can be driven to rotate synchronously, the second chuck 7 is clamped with the first chuck 6, the first chuck 6 can be driven to rotate synchronously, the rotating shaft is arranged inside the first chuck 6, the rotating shaft can be driven to rotate synchronously, the rolling knife 5 is arranged on the outer side of the rotating shaft, and the rolling knife 5 can be driven to rotate synchronously, so that the automatic pencil can be rolled and cut.
Meanwhile, two conical gears are arranged on the outer side of the rotating shaft and are meshed with each other, so that the conical gears can be driven to synchronously rotate, a rotating shaft is arranged on the outer side of one conical gear, the rotating shaft is movably connected with the rotary table 4 through a belt so as to drive the rotary table 4 to synchronously rotate, a fixed rod is arranged on the surface of the rotary table 4, so that the fixed rod can be driven to synchronously rotate when the rotary table 4 rotates, the other end of the fixed rod is arranged in a curved groove arranged in a curved plate, so that the fixed rod is driven to rotate along the curved groove, a displacement difference is generated, the curved plate is driven to move towards the right side, a moving block 3 is arranged below the curved plate, so that the moving block 3 is driven to synchronously move towards the right side, a clamping plate is arranged on the outer side of the moving block 3, so that the whole pencil is, when the pencil is curled and cut, the pencil head gradually becomes sharp, the pencil head can be contacted with the movable polar plate 13 and extruded in the process of pushing to the right, so that the movable polar plate 13 is driven to move along the fixed polar plate 14, the dead area between the movable polar plate 13 and the fixed polar plate 14 is increased, the capacitance is increased, and finally, the circuit is connected, the electromagnet 12 has magnetism after being electrified, the magnetism is the same as the magnetic pole of the magnet arranged at the left end of the brake rod 11 and is mutually exclusive, so that the brake rod 11 is driven to swing along the fixed pivot, the brake rod 11 is driven to be far away from the ratchet 10, the ratchet 10 loses clamping and rotates, the ratchet 10 is movably connected with the supporting rod 9 through the pull rope, the supporting rod 9 is driven to swing along the fixed pivot, so that the second chuck 7 is driven to move to the right along the first rotating shaft 8, the second chuck 7 is far away, thereby driving the rolling cutter 5 to automatically stop rotating, finishing the purpose of quantitative rolling and cutting and avoiding the breakage of the pencil core caused by excessive rolling and cutting.
The capacitance decision is as follows:
in the formula:
c: a capacitor;
: a dielectric constant;
s: the facing area, here the contact area between two semicircular polar plates;
k: an electrostatic force constant;
θ: angle of the two plates when moving.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an utilize electric capacity to prevent pencil of disconnected core with automatic device of cutting, includes shell (1), its characterized in that: the utility model discloses a chip cleaning machine, including shell (1), the inside swing joint of shell (1) has storage bits box (2), the top swing joint of storage bits box (2) has movable block (3), the outside swing joint of movable block (3) has carousel (4), the right side swing joint of carousel (4) has rolling cutter (5), the right side swing joint of rolling cutter (5) has first chuck (6), the right side swing joint of first chuck (6) has second chuck (7), the inside swing joint of second chuck (7) has first pivot (8) the surface swing joint of second chuck (7) has branch (9), the left side swing joint of branch (9) has ratchet (10), the outside swing joint of ratchet (10) has brake lever (11), the below fixedly connected with electro-magnet (12) of brake lever (11), the inside swing joint of rolling cutter (5) has removal polar plate (13), the below swing joint of removal polar plate (13) has fixed polar plate (14).
2. The automatic pencil sharpener capable of preventing lead breakage using a capacitor as claimed in claim 1, wherein: the two fixed polar plates (14) are arranged, the specifications of the two fixed polar plates (14) are consistent, the polarities of the two fixed polar plates are opposite, and the distance between the two fixed polar plates (14) is not less than the length of the fixed polar plates (14).
3. The automatic pencil sharpener capable of preventing lead breakage using a capacitor as claimed in claim 1, wherein: the surface of carousel (4) is provided with the dead lever, and the surface of movable block (3) is provided with curved plate, and the inside of this curved plate is provided with the curved groove of symmetry form, the size in this curved groove and the mutual adaptation of size of dead lever.
4. The automatic pencil sharpener capable of preventing lead breakage using a capacitor as claimed in claim 1, wherein: the outer side of the moving block (3) is provided with two clamping plates which are designed into an arc shape, the specifications of the two clamping plates are consistent, the two clamping plates are symmetrically distributed by taking the central line of the rolling cutter (5) as a reference, the outer sides of the clamping plates are provided with springs, and the springs are in a compression state in an original state and are movably connected with the two clamping plates.
5. The automatic pencil sharpener capable of preventing lead breakage using a capacitor as claimed in claim 1, wherein: the back of the brake rod (11) is provided with a fixed fulcrum, the right end of the brake rod (11) is provided with a positioning rib which is matched with the ratchet wheel (10) in size, and the left end of the brake rod is provided with a magnet.
6. The automatic pencil sharpener capable of preventing lead breakage using a capacitor as claimed in claim 1, wherein: the ratchet wheel (10) is movably connected with the support rod (9) through a pull rope, a fixed fulcrum is arranged on the back of the support rod (9), and the support rod (9) is movably connected with the shell (1) through a plastic spring.
7. The automatic pencil sharpener capable of preventing lead breakage using a capacitor as claimed in claim 1, wherein: the outside of first chuck (6) and second chuck (7) is provided with the spacing tooth of two mutual joints, and the inside of first chuck (6) is provided with the pivot, and the outside of this pivot is provided with a pair of intermeshing's conical gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064391.5A CN112172390A (en) | 2020-09-30 | 2020-09-30 | Pencil automatic sharpening device capable of preventing core breakage by using capacitance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064391.5A CN112172390A (en) | 2020-09-30 | 2020-09-30 | Pencil automatic sharpening device capable of preventing core breakage by using capacitance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112172390A true CN112172390A (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011064391.5A Pending CN112172390A (en) | 2020-09-30 | 2020-09-30 | Pencil automatic sharpening device capable of preventing core breakage by using capacitance |
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| CN (1) | CN112172390A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114379270A (en) * | 2022-01-13 | 2022-04-22 | 吴禹涓 | Push type pencil sharpener |
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| CN114379270A (en) * | 2022-01-13 | 2022-04-22 | 吴禹涓 | Push type pencil sharpener |
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Application publication date: 20210105 |