CN108714851B - Automatic polishing device for wood products - Google Patents

Abstract

The utility model belongs to the technical field of polishing equipment, and relates to an automatic polishing device for a round product of a wood material; the main structure of the device comprises a top cover, a shell, a material box, a base, a hinge, a shaft sleeve, polishing cloth, an upper chip leakage hole, a middle partition plate, a lower chip leakage hole, a shaft hole, a separation barrel, a motor, a gear shaft, a wire passing hole, a sealing groove, sticking and sticking burrs and a gear groove; the motor drives the material box to rotate, and the ball-like wood product and the polishing cloth are rubbed with each other in the rotation process of the material box, so that the surface of the ball-like wood product is polished smoothly; the ground and fallen scraps can fall onto the base through the upper scraps leaking holes and the lower scraps leaking holes, and when excessive scraps are accumulated, the base can be opened to clean scraps; the polishing cloth can be conveniently replaced after being worn; the novel energy-saving environment-friendly solar energy collector is novel in structure, reliable in design principle, convenient to operate and use, low in preparation cost, energy-saving and environment-friendly.

Description

Automatic polishing device for wood products

Technical field:

The invention belongs to the technical field of polishing equipment, and in particular relates to an automatic polishing device for round-shaped products of wooden materials, which can automatically polish similar processed spheres or natural spheres after rough processing, remove burrs and scratches, and reduce surface roughness , and make it a smooth surface.

Background technique:

Sphere-shaped decorations made of materials such as wood or jade are often used in jewelry and home decoration, as well as natural sphere-like items such as walnuts. These sphere-like objects need to be polished with a polishing device to finally be smooth finished product. The polishing device is mainly used to remove the burr on the surface of the sphere and perform surface polishing. The existing methods of grinding spheres mainly include the following: one is manual grinding, which is suitable for grinding small batches of large-sized spheres. However, the accuracy of manual grinding is poor, and the quality control is difficult. It cannot guarantee the quality of the spheres. The second is to use a fixed grinding machine; the Chinese patent publication number is a utility model patent of CN205817504U, which discloses a stone ball grinding machine. The utility model uses a chuck to be The processed stone products are fixed and clamped, the motor drives the stone products to rotate in the vertical direction, and the slewing device drives the grinding head to run horizontally within a certain arc range to polish the surface of the stone products; when using this type of design device, it is necessary to first The object is fixed and then polished, and only one object can be processed at the same time, which reduces the processing speed and is less efficient; the third is to use a fully automatic polishing device; the Chinese patent publication number is a utility model patent of CN206825147U, which discloses a Integrated ball grinding machine, this utility model includes machine base, sand disc, grooved disc and driving device, steel balls roll along the raceway on the grooved disc under the friction of the sand disc, and rub against the sand disc for grinding during the rolling process ; This utility model can process multiple objects at one time, but the machine is large in size, complex in structure, expensive in price, and high in maintenance costs.

All in all, the existing technology for polishing the surface of wooden or soft material spherical products is difficult to meet the processing requirements of high precision, small batch and low cost. Low, difficult to replace grinding materials, etc.

Invention content:

The purpose of the present invention is to overcome the shortcomings of the prior art, aiming at the shortcomings of poor precision and low efficiency of manual grinding and fixed grinding machines, as well as the shortcomings of the existing automatic ball grinding machines, which are large in size and high in cost, and can be produced in batches with low cost , under the condition of convenient use, the design provides an automatic polishing device for wooden products.

In order to achieve the purpose of the above invention, the automatic polishing device for wood products involved in the present invention has a main structure including a top cover, a shell, a material box, a base, a hinge, a shaft sleeve, a polishing cloth, an upper chip hole, a middle partition, a lower drain Chip holes, shaft holes, isolation cylinders, motors, gear shafts, wire holes, sealing grooves, burrs and gear grooves; the disc-shaped top cover with a sealing structure corresponding to the material box and the shell is fixed to the shell by hinges Connection; shaft sleeve and casing adopt interference fit, shaft sleeve and material box adopt clearance fit; shaft sleeve can form a relative gap position between material box and casing, and the rotation of material box can be reduced after filling lubricating oil in the gap Frictional resistance at the time; the material box is a hollow cylindrical box-shaped structure, the upper part of the inner surface of the material box is fixed and attached with velcro bristles, the bottom of the material box is provided with an upper chip hole, and the upper chip hole is connected to the material box. The middle axis is arranged in a circular shape with the center of the circle; there is a gear groove at the bottom of the outer surface of the material box; the grinding cloth is attached to the material box through the velcro bristles, and the bottom of the grinding cloth is provided with a hole corresponding to the position and size of the upper chip leakage hole Shaped structure; the circular partition-type middle partition is fixed in the middle of the shell, and the periphery of the middle partition is fixedly connected with the casing; the center of the middle partition is provided with a shaft hole, and the outer side of the middle partition is provided with a lower chip hole. The chip leakage holes are arranged in a circular ring; the isolation cylinder with a cylindrical structure is fixedly connected under the middle partition, and the maximum radius of the isolation cylinder is slightly smaller than the distance between the lower chip leakage hole and the center of the middle partition; the metal base and the shell are threaded. Connection, there is a sealing groove on the base, after the base and the shell are screwed together, the sealing groove fits with the isolation cylinder to prevent debris from entering the isolation cylinder; the speed controllable motor is fixed on the base, after the base and the shell are screwed together, The motor is located in the center of the isolation cylinder, and the gear shaft on the motor passes through the shaft hole; one end of the gear shaft is rigidly connected to the motor rotor, and the other end is a gear structure and meshes with the gear groove; the power line of the motor can pass through the wire on the base hole to connect the power supply.

The diameter and height of the material box of the present invention are equal, and both are less than 60cm. The ratio of the diameter of the material box to the diameter of the product to be polished is 8-10:1, and the size of this ratio affects the polishing time and quality.

The structure of the polishing cloth according to the present invention is in the state of non-woven fabric, or it is a convex-shaped sanding cloth manufactured by electrospinning equipment, and the electrospinning liquid used for the preparation of the convex-shaped sanding cloth contains sand grains of different fineness and bamboo Fiber particles, depending on the brightness of the polishing, the fineness and addition amount of the sand particles are different. The proportions of bamboo fiber particles and sand particles in the electrospinning solution are 20-30% and 0-10% respectively; electrospinning Other ingredients and preparation methods in the liquid are configured by conventional technology; the polishing cloth is either a commercially available polishing emery cloth, or a hard coarse wire cloth.

The specific process when the present invention is used for polishing wooden products is as follows: the spherical wooden products to be polished are placed in the material box, and the polished spherical wooden products are arranged in 8-10 horizontally in the material box, and there are not many vertical arrangements 10; after the motor is powered on, the gear shaft is driven to rotate, and the gear shaft drives the material box to rotate through the gear groove meshed on the material box; during the rotation of the material box, the ball-like wood product and the polishing cloth, the ball-like wood product and the ball-like wood product rub against each other to make the surface of spherical wood products smooth; the debris from grinding can fall through the upper chip hole and the lower chip hole to the box-shaped base on the top surface. When the debris accumulates too much, it can be opened. The base is cleaned of debris; the grinding cloth can be easily replaced after wear, which increases practicality and improves grinding efficiency.

The present invention relates to an automatic polishing device for polishing walnut shells, the structure of which is the same as that of an automatic polishing device for wood products, wherein the diameter of the inner space of the material box is 40-55cm, and the height is 50-60cm. The outer diameter is 3-5cm, the number of walnuts in the material box is not more than 8 horizontally, and 10 vertically, and the speed of the material box is 180-220 revolutions per minute; the polishing cloth used is electrostatic textile cloth , the diameter of the sand particles in the spinning solution is 0.1-0.3mm, the weight ratio in the spinning solution is 6-7%, and the weight ratio of bamboo fiber particles is 22%; other formulas are the same as those of conventional electrospinning of chemical fibers liquid; after polishing for 2.5-4 hours, the walnut shell has no thorns or grooves, and the brightness is obvious.

Compared with the prior art, the automatic polishing device for wooden products and the automatic polishing device for polishing walnut shells designed by the present invention have a simple main body structure, reasonable design, reliable principle, easy manufacture, and overcome the poor accuracy of the prior art The disadvantage of low efficiency or high cost is that it can automatically grind and polish spheres or soft materials similar to spheres, and it is easy to clean up debris, easy to use, low in preparation costs, energy saving, and environmentally friendly in application.

Description of drawings:

Fig. 1 is a schematic diagram of the principle of the main structure of the present invention.

Fig. 2 is a schematic diagram of the structure and principle of the magazine involved in the present invention.

Fig. 3 is a schematic diagram of the structural principle of the bottom of the magazine involved in the present invention.

Detailed ways:

The present invention will be further described below by way of embodiments and in conjunction with the accompanying drawings.

Example 1:

The automatic polishing device for wood products involved in this embodiment has a main structure including a top cover 1, a casing 2, a material box 3, a base 4, a hinge 5, a shaft sleeve 6, a polishing cloth 7, an upper chip hole 8, and a middle partition 9. The lower chip hole 10, the shaft hole 11, the isolation cylinder 12, the motor 13, the gear shaft 14, the wire hole 15, the sealing groove 16, the burrs 17 and the gear groove 18; corresponding to the material box 3 and the shell 2 The disk-shaped top cover 1 of the sealing structure is fixedly connected with the shell 2 through the hinge 5; the shaft sleeve 6 and the shell 2 adopt an interference fit, and the shaft sleeve 6 and the material box 3 adopt a clearance fit; the shaft sleeve 6 can make the material box 3 A relative gap position is formed between the housing 2, and the frictional resistance of the material box 3 can be reduced after filling the gap with lubricating oil; the material box 3 is a hollow cylindrical box-shaped structure, and the upper part of the inner surface of the material box 3 is fixed The attached type is made with hook and loop bristles 17, and the bottom of the material box 3 is provided with an upper chip leakage hole 8, and the upper chip leakage hole 8 is arranged in a circular shape with the central axis of the material box 3 as the center of the circle; the bottom of the outer surface of the material box 3 There is a gear groove 18; the polishing cloth 7 is attached to the material box 3 through the hook and loop bristles 17, and the bottom of the polishing cloth 7 is provided with a hole-like structure corresponding to the position and size of the upper chip leakage hole 8; the circular partition type middle The partition 9 is fixedly located in the middle of the shell 2, and the periphery of the middle partition 9 is fixedly connected with the casing 2; the center of the middle partition 9 is provided with a shaft hole 11, and the outer side of the middle partition 9 is provided with a lower chip hole 10, and the lower chip drain The holes 10 are arranged in a circular ring; the isolation cylinder 12 of cylindrical structure is fixedly connected under the middle partition 9, and the maximum radius of the isolation cylinder 12 is slightly smaller than the distance between the lower chip leakage hole 10 and the center of the middle partition; The base 4 is threadedly connected with the shell 2. There is a sealing groove 16 on the base 4. After the base 4 and the shell 2 are screwed together, the sealing groove 16 fits with the isolation cylinder 12 to prevent debris from entering the isolation cylinder 12; the speed is controllable The motor 13 is fixed on the base 4. After the base 4 and the shell 2 are screwed together, the motor 13 is located at the center of the isolation cylinder 12, and the gear shaft 14 on the motor 13 passes through the shaft hole 11; one end of the gear shaft 14 is rigidly connected to the motor rotor , the other end is a gear structure and meshes with the gear groove 18; the power line of the motor 13 can be connected to the power supply through the wire hole 15 on the base 4.

The diameter and height of the material box 3 involved in this embodiment are equal and less than 60 cm. The ratio of the diameter of the material box 3 to the diameter of the polished product 19 is 8-10:1, and the size of this ratio affects the polishing time and quality. .

The structure of the polishing cloth 7 involved in this embodiment is a non-woven fabric state, or a convex sanding cloth manufactured by an electrospinning equipment, and the electrospinning solution for the preparation of the convex sanding cloth contains sand grains of different finenesses and bamboo Fiber particles, according to the brightness of the polishing, the fineness and the amount of the sand particles are different. The proportions of bamboo fiber particles and sand particles in the electrospinning solution are 20-30% and 0-10% respectively; electrospinning Other ingredients and preparation methods in the silk liquid are configured by conventional techniques; the polishing cloth 7 is either a commercially available polishing emery cloth or a hard coarse wire cloth.

The concrete process when this embodiment is used for polishing wooden products is: the spherical-shaped wooden products to be polished are placed in the material box 3, and the polished spherical-shaped wooden products are arranged in 8-10 horizontally in the material box 3, vertically No more than 10 are arranged; after the motor 13 is energized, the gear shaft 14 is driven to rotate, and the gear shaft 14 drives the material box 3 to rotate through the gear groove 18 engaged on the material box 3; , The spherical wood product rubs against the spherical wood product to make the surface of the spherical wood product smooth; the debris that falls from the grinding can fall to the top surface through the upper chip hole 8 and the lower chip hole 10 to be box-shaped On the base 4 of the base, when debris accumulates too much, the base 4 can be opened to clean up the debris; the polishing cloth 7 can be easily replaced after wear and tear, increasing the practicality and improving the grinding efficiency.

Example 2:

The present embodiment relates to a kind of automatic polishing device that is used for polishing walnut shell, and its device structure is the same as embodiment 1, and the inner space diameter of wherein feed box 3 is 40-55cm, and height is 50-60cm, and the outer diameter of walnut shell 3-5cm, the number of walnuts discharged horizontally in the material box 3 is no more than 8, and the number of vertically discharged is 10, and the speed of the material box 3 is 180-220 revolutions per minute; the polishing cloth used is electrostatic textile cloth , the diameter of the sand particles in the spinning solution is 0.1-0.3mm, the weight ratio in the spinning solution is 6-7%, and the weight ratio of bamboo fiber particles is 22%; other formulas are the same as those of conventional electrospinning of chemical fibers liquid; after polishing for 2.5-4 hours, the walnut shell has no thorns or grooves, and the brightness is obvious.

Claims (4)

1. An automatic polishing device for wood products, characterized in that: its main structure includes a top cover, a shell, a material box, a base, a hinge, a shaft sleeve, a polishing cloth, an upper chip hole, a middle partition, and a lower chip hole , shaft hole, isolation cylinder, motor, gear shaft, wire hole, sealing groove, velcro bristles and gear groove; the disc-shaped top cover with the sealing structure corresponding to the material box and the shell is fixedly connected with the shell through a hinge; The shaft sleeve and the shell adopt interference fit, and the shaft sleeve and the material box adopt clearance fit; the shaft sleeve can form a relative gap between the material box and the shell, and after filling the gap with lubricating oil, it can reduce the friction of the material box when it rotates. Frictional resistance; the material box is a hollow cylindrical box-shaped structure, the upper part of the inner surface of the material box is fixed and attached with velcro bristles, and the bottom of the material box is provided with an upper chip leakage hole, and the upper chip leakage hole is in the middle of the material box. The shaft is arranged in a circular shape with the center of the circle; there is a gear groove at the bottom of the outer surface of the material box; the grinding cloth is attached to the material box through the hook and loop bristles, and the bottom of the grinding cloth is provided with a hole structure whose position and size correspond to the upper chip leakage hole ;The circular baffle-type middle partition is fixedly located in the middle of the shell, and the periphery of the middle partition is fixedly connected with the shell; the center of the middle partition is provided with a shaft hole, and the outer side of the middle partition is provided with a lower chip hole, and the lower chip drain The holes are arranged in a circular ring; the isolation cylinder of cylindrical structure is fixedly connected under the middle partition, and the maximum radius of the isolation cylinder is slightly smaller than the distance between the lower chip leakage hole and the center of the middle partition; the metal base is threadedly connected with the shell, There is a sealing groove on the base. After the base and the shell are screwed together, the sealing groove fits with the isolation cylinder to prevent debris from entering the isolation cylinder. The speed controllable motor is fixed on the base. After the base is screwed with the shell, the motor is located At the center of the isolation cylinder, the gear shaft on the motor passes through the shaft hole; one end of the gear shaft is rigidly connected to the motor rotor, and the other end is a gear structure and meshes with the gear groove; the power line of the motor can be connected through the wire hole on the base power supply. 2. The automatic polishing device for wood products according to claim 1, characterized in that the diameter and height of the material box are equal, and both are less than 60cm, and the ratio of the diameter of the material box to the diameter of the polished product is 8-10 :1. 3. The automatic polishing device for wood products according to claim 1, characterized in that the structure of the polishing cloth is a non-woven fabric state, or a convex-shaped abrasive cloth manufactured by electrospinning equipment, and its convex-shaped abrasive cloth is prepared The electrospinning solution used contains sand particles and bamboo fiber particles of different fineness. According to the brightness of the polishing, the fineness of the sand particles and the amount added are different. The weight of the bamboo fiber particles and sand particles in the electrospinning solution The proportions are 20-30% and 0-10% respectively; other ingredients and preparation methods in the electrospinning solution are configured by conventional technology; the polishing cloth is either a commercially available abrasive cloth or a hard coarse wire cloth. 4. The automatic polishing device for wood products according to claim 1, characterized in that the specific process for polishing wood products is: placing the spherical wood products to be polished in the material box, and the polished spherical wood products There are 8-10 horizontally arranged in the material box, and no more than 10 vertically; after the motor is powered on, the gear shaft is driven to rotate, and the gear shaft drives the material box to rotate through the gear groove meshed on the material box; during the rotation of the material box, the Spherical wooden products rub against each other with polishing cloth, spherical wooden products and spherical wooden products to make the surface of spherical wooden products smooth; the debris from grinding can fall to the top through the upper chip hole and the lower chip hole On the box-shaped base, when debris accumulates too much, the base can be opened to clean the debris; the abrasive cloth can be easily replaced after wear.

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