Dust-free chalk production device

Abstract

The utility model provides a dust-free chalk production device, and relates to the technical field of chalk production devices, the dust-free chalk production device comprises a production box and a partition plate, the partition plate divides the interior of the production box into two independent cavities, the cavities comprise a cavity I and a cavity II, a telescopic chalk mold is arranged in the cavity I, and the chalk mold is arranged in the cavity II. A collecting assembly slides in the second cavity, a driving assembly and a trimming assembly are arranged at the top of the chalk mold, the driving assembly drives the trimming assembly to reciprocate, the bottom of the trimming assembly is attached to the top of the chalk mold, and when the trimming assembly reciprocates at the top of the chalk mold, the trimming assembly trims the chalk mold. According to the dust-free chalk production device, the problems that after the top ends of the chalks are trimmed, the trimming remaining materials are left on the tops of the chalk molds and are difficult to recycle are solved, and the dust-free chalk production device has the advantages that the dust-free chalk production device is simple in structure and convenient to use. The device has the advantages of reciprocating finishing, good finishing effect, convenience in recycling excess materials and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of chalk production devices, in particular to a dust-free chalk production device. Background Art

[0002] Chalk is a widely used stationery item in daily life, typically used for writing on blackboards. In ancient times, chalk was typically made from natural chalk, but other materials are now commonly used instead. Chalk's main component is calcium sulfate, a white precipitate that is difficult to decompose and has particles larger than dust. There are two main types of chalk used in China: regular chalk and dust-free chalk. Both are primarily composed of calcium carbonate (limestone) and calcium sulfate (gypsum), or contain a small amount of calcium oxide. The production of dust-free chalk requires the use of molds to shape the chalk.

[0003] However, in the existing dust-free chalk production device, when producing dust-free chalk, the chalk is first processed into a liquid form, and then poured into a chalk mold to shape the chalk. After the chalk is formed, a guillotine is manually pushed to uniformly trim the top of the chalk. When the water in the chalk evaporates and becomes solid, the manual pushing of the guillotine is time-consuming and labor-intensive and is pushed in one direction. Moreover, after trimming, the trimming residue will remain on the top of the chalk mold, which is difficult to recycle, causing instability in actual use.

[0004] Therefore, it is necessary to provide a new dust-free chalk production device to solve the problems of the technologies described above. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a dust-free chalk production device.

[0006] The dust-free chalk production device provided by the utility model comprises: a production box and a partition, wherein the partition divides the interior of the production box into two independent cavities, wherein the cavities comprise cavity one and cavity two, a telescopic chalk mold is provided in cavity one, a collecting assembly slides in cavity two, a driving assembly and a trimming assembly are provided on the top of the chalk mold, the driving assembly drives the trimming assembly to perform reciprocating motion, the bottom of the trimming assembly is fitted with the top of the chalk mold, and when the trimming assembly performs reciprocating motion on the top of the chalk mold, the top of the chalk placed in the chalk mold is trimmed and the remaining chalk is sent to the collecting assembly.

[0007] Preferably, the telescopic chalk mold includes several telescopic components and chalk molds, and the several telescopic components are equidistantly fixed on the bottom of the chalk mold. The several telescopic components each include a telescopic rod and a spring, one end of the spring is sleeved on the surface of the telescopic rod, and the other end of the spring is connected to the bottom wall of the production box.

[0008] Preferably, the surface of the chalk mold is provided with a plurality of mold openings distributed at equal intervals, the chalk is placed in the mold openings, the top of the chalk mold is formed with an arc-shaped end 2, and the top of the partition is formed with an arc-shaped end 1.

[0009] Preferably, a mounting groove is provided at the edge of the top of the production box, a limiting groove is provided on the inner side wall of the mounting groove, the limiting groove connects the mounting groove with the interior of the production box, and a driving assembly is provided in the mounting groove.

[0010] Preferably, the driving assembly includes a screw rod rotatably arranged on the inner wall of the mounting groove, a small plate is fixed on the outer wall of the production box, a driving motor is fixed on the top of the small plate, the rotor of the driving motor passes through the surface of the production box and drives the screw rod to rotate, and the trimming assembly is connected to the surface thread of the screw rod.

[0011] Preferably, the trimming assembly includes a slide plate, one end of which is threadedly connected to the surface of the screw rod, and the other end of the slide plate passes through the limiting groove and extends to the interior of the production box. A scraper is fixed to the bottom of the slide plate, and the bottom of the scraper is arc-shaped and fits with the top of the chalk mold.

[0012] Preferably, a collection groove is also provided on the surface of the production box, which is connected to the interior of cavity two. Two equidistantly distributed limit plates are fixed to the bottom of the collection groove, and the collection component slides in the collection groove. The collection component includes a collection box, and a handle is fixed on the outer wall of the collection box. The bottom of the collection box is provided with several relatively distributed rollers, and several of the rollers are evenly distributed at the limit ends of the two limit plates.

[0013] Preferably, a plurality of support columns are provided at the bottom of the production box, a control panel is fixed on the surface of the production box, a plurality of equidistantly distributed heating rods are passed through one side of the chalk mold, and the plurality of heating rods are staggered between the plurality of mold openings.

[0014] Compared with the related art, the dust-free chalk production device provided by the utility model has the following beneficial effects:

[0015] 1. By setting up a driving component, the driving component will drive the trimming component to perform reciprocating motion, eliminating the need for manual trimming of the chalk tip, thus solving the problems of manual unidirectional trimming that is time-consuming and labor-intensive, and uneven trimming;

[0016] 2. By setting up a collection component, when the trimming component reciprocates on the top of the chalk mold, the top of the chalk placed in the chalk mold is trimmed and the remaining chalk is sent to the collection component. The collection component will recycle the remaining chalk, solving the problem that after the chalk top is trimmed, the trimming residue will remain on the top of the chalk mold and is difficult to recycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the overall structure of the dust-free chalk production device provided by the utility model;

[0018] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0019] Figure 3 It is a structural diagram of the handle;

[0020] Figure 4 Schematic diagram of the structure of the scraper;

[0021] Figure 5 A schematic cross-sectional view of the overall structure of the dust-free chalk production device provided by the present invention;

[0022] Figure 6 It is a structural diagram of the collection box;

[0023] Figure 7 Schematic diagram of the structure of the top of the partition.

[0024] Numbers in the figure: 1. Production box; 11. Partition; 111. Arc-shaped end one; 12. Chalk mold; 121. Mold mouth; 122. Telescopic rod; 123. Spring; 124. Arc-shaped end two; 13. Mounting slot; 131. Limiting slot; 14. Screw rod; 15. Slide plate; 151. Scraper; 16. Small plate; 17. Drive motor; 18. Collection tank; 181. Limiting plate; 19. Support column; 2. Heating rod; 21. Control panel; 3. Collection box; 31. Handle; 32. Roller. DETAILED DESCRIPTION

[0025] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0026] Please refer to Figures 1 to 7 ,in, Figure 1 A schematic diagram of the overall structure of the dust-free chalk production device provided by the utility model; Figure 2 for Figure 1 Enlarged view of point A in the middle; Figure 3 It is a structural diagram of the handle; Figure 4 Schematic diagram of the structure of the scraper; Figure 5 A schematic cross-sectional view of the overall structure of the dust-free chalk production device provided by the present invention; Figure 6 It is a structural diagram of the collection box; Figure 7 Schematic diagram of the structure of the top of the partition.

[0027] In the specific implementation process, Figures 1 to 7As shown, it includes a production box 1 and a partition 11. The partition 11 divides the interior of the production box 1 into two independent cavities, including cavity one and cavity two. A telescopic chalk mold 12 is provided in cavity one, and a collecting component slides in cavity two. A driving component and a trimming component are provided on the top of the chalk mold 12. The driving component drives the trimming component to perform reciprocating motion. The bottom of the trimming component fits with the top of the chalk mold 12. When the trimming component reciprocates on the top of the chalk mold 12, the top of the chalk placed in the chalk mold 12 is trimmed and the remaining chalk is sent to the collecting component.

[0028] It should be noted that the telescopic chalk mold 12 causes the trimming component to make a reciprocating motion and when it reaches the second cavity, the bottom of the chalk mold 12 recovers its elastic deformation, driving the chalk mold 12 to lift upward. At this time, the trimmed residual material will enter the collecting component. The purpose of lifting the chalk mold 12 upward is to scrape the bottom of the trimming component after trimming the chalk at the top, so as to reduce the excessive chalk residual material sticking to the bottom of the trimming component when the trimming component makes a reciprocating motion.

[0029] refer to Figure 1 、 Figure 2 、 Figure 5 、 Figure 7 As shown, the telescopic chalk mold 12 includes a plurality of telescopic components and the chalk mold 12, wherein the plurality of telescopic components are equidistantly fixed to the bottom of the chalk mold 12, and the plurality of telescopic components each include a telescopic rod 122 and a spring 123, one end of the spring 123 is sleeved on the surface of the telescopic rod 122, and the other end of the spring 123 is connected to the bottom wall of the production box 1;

[0030] The surface of the chalk mold 12 is provided with a plurality of mold openings 121 distributed at equal intervals. Chalk is placed in the mold openings 121. The top of the chalk mold 12 is formed with an arc-shaped end 2 124, and the top of the partition 11 is formed with an arc-shaped end 111.

[0031] It should be noted that before use, the trimming assembly is located at the top of the chalk mold 12, causing the spring 123 to undergo elastic deformation and compression. When the trimming assembly scrapes the top of the chalk mold and enters the arc-shaped end 111, the arc-shaped end 111 and the arc-shaped end 2 124 are set up to facilitate the trimming assembly to return to its original position.

[0032] A mounting groove 13 is provided at the edge of the top of the production box 1, and a limiting groove 131 is provided on the inner side wall of the mounting groove 13. The limiting groove 131 connects the mounting groove 13 with the interior of the production box 1, and a driving component is provided in the mounting groove 13;

[0033] The driving assembly includes a screw 14 that is rotatably mounted on the inner wall of the mounting groove 13. A small plate 16 is fixed to the outer wall of the production box 1. A driving motor 17 is fixed to the top of the small plate 16. The rotor of the driving motor 17 passes through the surface of the production box 1 and drives the screw 14 to rotate. The trimming assembly is threadedly connected to the surface of the screw 14.

[0034] It should be noted that, driven by the driving motor 17 in the driving assembly, the screw rod 14 is driven to rotate. Since one end of the trimming assembly is limited by the limiting groove 131, when the screw rod 14 rotates, the trimming assembly moves along the direction opened by the mounting groove 13 without rotating.

[0035] refer to Figure 1 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 As shown, the trimming assembly includes a slide plate 15, one end of which is threadedly connected to the surface of the screw rod 14, and the other end of the slide plate 15 passes through the limiting groove 131 and extends into the interior of the production box 1. A scraper 151 is fixed to the bottom of the slide plate 15, and the bottom of the scraper 151 is curved and fits against the top of the chalk mold 12;

[0036] It should be noted that when the screw rod 14 rotates, the slide plate 15 in the trimming assembly moves along the direction opened by the mounting groove 13 without rotating;

[0037] It should be further explained that the scraper 151 mainly trims the top of the chalk;

[0038] The surface of the production box 1 is further provided with a collection groove 18, which is connected to the interior of the second cavity. Two equally spaced limit plates 181 are fixed to the bottom of the collection groove 18. The collection assembly slides in the collection groove 18. The collection assembly includes a collection box 3, a handle 31 is fixed to the outer wall of the collection box 3, and a plurality of relatively distributed rollers 32 are provided at the bottom of the collection box 3. The plurality of rollers 32 are evenly distributed at the limit ends of the two limit plates 181.

[0039] It should be noted that when the scraper 151 sends the chalk residue into the collection assembly, the chalk residue will enter the collection box 3 for collection. When the collection box 3 is collected to a certain level, the handle 31 is pulled, and the collection box 3 is smoothly taken out under the action of the rollers 32 at the bottom of the collection box 3, thereby recycling the chalk residue.

[0040] The bottom of the production box 1 is also provided with a plurality of support columns 19, and a control panel 21 is fixed to the surface of the production box 1. A plurality of equally spaced heating rods 2 are passed through one side of the chalk mold 12, and the plurality of heating rods 2 are staggered between the plurality of mold openings 121.

[0041] It should be noted that several support columns 19 are used to support the entire device;

[0042] It should be noted that the heating rod 2 is connected to the control panel 21 by an electric wire. The establishment of the heating rod 2 allows the moisture in the chalk raw material poured into the mold mouth 121 to evaporate and dry quickly, thereby accelerating the production speed of the chalk, and several heating rods 2 are staggered between several mold mouths 121 so that the chalk raw material in the mold mouth 121 is heated evenly.

[0043] The working principle provided by the utility model is as follows: when in use, the chalk raw material is poured into the mold mouth 121, the control panel 21 is started to heat the heating rod 2, and after the heating is completed and the chalk is shaped, the drive motor 17 is started to drive the scraper 151 to make a reciprocating motion to trim the top of the chalk and send the remaining material into the middle collection box 3 for collection.

[0044] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0045] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A dust-free chalk production device, characterized in that: The invention comprises a production box (1) and a partition (11), wherein the partition (11) divides the interior of the production box (1) into two independent cavities, wherein the cavities include cavity one and cavity two, wherein a telescopic chalk mold (12) is provided in cavity one, and a collecting component is slidably provided in cavity two, wherein a driving component and a trimming component are provided on the top of the chalk mold (12), wherein the driving component drives the trimming component to perform reciprocating motion, wherein the bottom of the trimming component is fitted with the top of the chalk mold (12), and when the trimming component performs reciprocating motion on the top of the chalk mold (12), the top of the chalk placed in the chalk mold (12) is trimmed and the remaining chalk is sent to the collecting component.

2. The dust-free chalk production device according to claim 1, characterized in that, The telescopic chalk mold (12) comprises a plurality of telescopic components and a chalk mold (12), wherein the plurality of telescopic components are fixed at equal distances on the bottom of the chalk mold (12), and the plurality of telescopic components each comprise a telescopic rod (122) and a spring (123), wherein one end of the spring (123) is sleeved on the surface of the telescopic rod (122), and the other end of the spring (123) is connected to the bottom wall of the production box (1).

3. The dust-free chalk production device according to claim 2, wherein The surface of the chalk mold (12) is provided with a plurality of mold openings (121) distributed at equal intervals, and chalk is placed in the mold openings (121). The top of the chalk mold (12) is formed with an arc-shaped end 2 (124), and the top of the partition (11) is formed with an arc-shaped end 1 (111).

4. The dust-free chalk production device according to claim 3, characterized in that, A mounting groove (13) is provided at the edge of the top of the production box (1), a limiting groove (131) is provided on the inner side wall of the mounting groove (13), the limiting groove (131) enables the mounting groove (13) to communicate with the interior of the production box (1), and a driving component is provided in the mounting groove (13).

5. The dust-free chalk production device according to claim 4, characterized in that, The driving assembly includes a screw rod (14) rotatably arranged on the inner side wall of the mounting groove (13), a small plate (16) is fixed on the outer side wall of the production box (1), a driving motor (17) is fixed on the top end of the small plate (16), the rotor of the driving motor (17) passes through the surface of the production box (1) and drives the screw rod (14) to rotate, and the trimming assembly is connected to the surface of the screw rod (14) by a thread.

6. The dust-free chalk production device according to claim 5, characterized in that, The trimming assembly comprises a slide plate (15), one end of which is threadedly connected to the surface of the screw rod (14), and the other end of which passes through the limiting groove (131) and extends into the interior of the production box (1). A scraper plate (151) is fixed to the bottom of the slide plate (15), and the bottom of the scraper plate (151) is arc-shaped and fits the top of the chalk mold (12).

7. The dust-free chalk production device according to claim 6, characterized in that: The surface of the production box (1) is also provided with a collecting groove (18), which is connected to the interior of the second cavity. Two equally spaced limiting plates (181) are fixed to the bottom of the collecting groove (18). The collecting assembly slides in the collecting groove (18). The collecting assembly includes a collecting box (3). A handle (31) is fixed on the outer wall of the collecting box (3). The bottom of the collecting box (3) is provided with a plurality of relatively distributed rollers (32), and the plurality of rollers (32) are evenly distributed at the limiting ends of the two limiting plates (181).

8. The dust-free chalk production device according to claim 7, characterized in that: The bottom of the production box (1) is also provided with a plurality of support columns (19), and a control panel (21) is fixed on the surface of the production box (1). A plurality of equidistantly distributed heating rods (2) are passed through one side of the chalk mold (12), and the plurality of heating rods (2) are staggered and distributed between the plurality of mold openings (121).

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