Metal ball screening and grinding device

Abstract

The utility model discloses a metal ball screening and grinding device, and relates to the technical field of metal ball grinding, the metal ball screening and grinding device comprises a base, a grinding mechanism is mounted on the upper surface of the left end of the base, a groove is formed in the front side face of the base, a discharging mechanism is arranged in the groove, and a lower grinding disc is mounted in the middle of the upper surface of the base; a lower positioning hole is formed in the middle of the upper surface of the lower grinding disc, an annular groove is formed in the upper surface of the base on the outer side of the lower grinding disc, and a cylindrical groove is formed in the inner wall of the top end, close to the lower positioning hole, of the groove; through the cooperation of the structure, the difficulty of taking the ground metal ball from the interior of the lower positioning hole is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to metal ball bead grinding technical field, concretely is a kind of metal ball bead screening and grinding device. BACKGROUND

[0002] Grinding is a process that uses abrasive and polishing agent to grind and polish the surface of workpiece.For metal ball bead, grinding can remove the scale, burr, rough and uneven part on its surface, so that its surface becomes smoother and more flat.This not only improves the appearance quality of metal ball bead, but also helps to improve its performance and life in use.

[0003] The utility model discloses a grinding machine that can automatically screen ball beads, which comprises a grinding machine base, and the grinding machine is mainly used for polishing and processing the surface of part in the production and processing process of industrial parts.A clamping hole is formed at each corner of the top end of the grinding machine base, and a first motor is clamped on the inner wall of one of the clamping holes.The output end of the first motor is fixedly provided with a connecting strip, and the outer wall of the grinding machine base is fixedly provided with a material collecting base.An arc-shaped groove is formed at the top end of the material collecting base, and a bolt is inserted into the lower end of the outer wall of the grinding machine base on one side.

[0004] In the implementation of the present application, it is found that the above-mentioned technology has the following problems:In the above patent document, the ball beads are placed in the positioning hole, and the first grinding disc and the second grinding disc are used to grind them;In actual grinding, friction and impact may occur between the metal ball bead and the grinding disc and the abrasive during the grinding process, which may cause debris and residues in the metal ball bead surface and the positioning hole.These debris and residues may adhere to the metal ball bead or the inner wall of the positioning hole, increasing the resistance and difficulty when taking them;Moreover, the surface of the ground metal ball bead may become smoother, but it may also become more tightly fitted with the positioning hole due to slight deformation or wear.This tight fit makes it necessary to exert more force to overcome the friction between the metal ball bead and the positioning hole when taking it;In the above patent document, only the connecting strip is used to rotate and push the ball bead out of the positioning hole, but when the connecting strip is simply used to push the ball bead, the lower half of the metal ball is located in the positioning hole, and the inner wall of the positioning hole may cause great resistance to the lower half of the ball bead at this time, which may cause the connecting strip to be stuck, and there is a certain difficulty in taking the ball bead.

[0005] Therefore, a metal ball bead screening and grinding device is proposed. UTILITY MODEL CONTENTS

[0006] The utility model aims to reduce the difficulty of taking the ground metal ball bead from the lower positioning hole, and provides a metal ball bead screening and grinding device.

[0007] The technical scheme adopted by the utility model is as follows:

[0008] A kind of metal ball bead screening and grinding device, including base, the upper surface of the left end of the base is equipped with grinding mechanism, the front side of the base is equipped with recess, the inside of the recess is provided with discharge mechanism, the upper surface of the base is equipped with lower grinding disc in middle part, the upper surface of the lower grinding disc is equipped with lower positioning hole in middle part, the upper surface of the base of the lower grinding disc outside is equipped with annular groove, the top end inner wall of the recess close to the lower positioning hole is equipped with cylindrical groove;

[0009] The discharge mechanism includes a suction pump and a hollow tube, the suction pump and the hollow tube are fixedly connected to the inner bottom surface of the recess, the gas outlet of the suction pump is communicated with a gas guide pipe, the end of the gas guide pipe away from the suction pump is communicated with the internal cavity of the hollow tube, the cylindrical groove is fixedly connected with an arc block at the top end close to the lower positioning hole, the end of the hollow tube away from the inner bottom surface of the recess is fixedly connected with the lower surface of the arc block after extending into the cylindrical groove, an arc cavity is formed in the arc block, the internal cavity of the hollow tube is communicated with the arc cavity, a plurality of air holes are formed in the upper surface of the arc block close to the lower positioning hole, the internal cavity of the air holes is communicated with the interior of the arc cavity, and a filter screen is fixedly connected to the inner wall of the upper end of the air holes.

[0010] Further, the grinding mechanism includes an electric cylinder, the electric cylinder is fixedly connected to the upper surface of the left end of the base, a piston rod is mounted on the upper surface of the electric cylinder, and a top plate is fixedly connected to the upper surface of the piston rod.

[0011] Further, a connecting column is fixedly connected to the right end of the lower surface of the top plate, an electric motor is fixedly connected to the lower surface of the connecting column, and a rotating shaft is fixedly connected to the lower surface output end of the electric motor.

[0012] Further, an upper grinding disc is fixedly connected to the lower surface of the rotating shaft, an upper positioning hole is formed in the middle part of the lower surface of the upper grinding disc, and the upper positioning hole is located directly above the lower positioning hole.

[0013] Further, the input end of the suction pump and the electric cylinder is electrically connected with an external power source.

[0014] Further, a valve is mounted on the outer surface of the end of the gas guide pipe close to the hollow tube.

[0015] As the above technical scheme is adopted, the utility model has the following beneficial effects:

[0016] In this invention, when grinding metal beads, the metal beads can be placed on the lower positioning hole for sieving. Beads with a diameter smaller than the opening of the lower positioning hole will fall into the lower positioning hole and can be removed and replaced with new beads. After the metal beads are placed, they can be ground using a grinding mechanism. After grinding, an air pump can be started to draw external air into the arc-shaped cavity through the air guide tube and hollow tube. The air entering the arc-shaped cavity will be ejected from several air holes into the lower positioning hole, thereby blowing the ground metal beads from the bottom, making it easier to lift the metal beads and retrieve them by the staff. The combination of the above structures reduces the difficulty of retrieving the ground metal beads from the lower positioning hole. Attached Figure Description

[0017] Figure 1 This is a perspective view of the present utility model;

[0018] Figure 2 This is a cross-section of the base in this utility model;

[0019] Figure 3 In this utility model Figure 2 Enlarged view of point A;

[0020] Figure 4 This is a perspective view of the upper grinding disc in this utility model.

[0021] The markings in the diagram are: 1-base, 2-discharge mechanism, 3-grinding mechanism, 11-groove, 12-lower grinding disc, 13-lower positioning hole, 14-annular groove, 15-cylindrical groove, 21-air pump, 22-air guide pipe, 23-hollow pipe, 24-valve, 25-arc block, 26-arc cavity, 27-air hole, 28-filter screen, 31-electric cylinder, 32-piston rod, 33-top plate, 34-connecting column, 35-motor, 36-rotating shaft, 37-upper grinding disc, 38-upper positioning hole. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below in conjunction with the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model. Example

[0023] Reference Figures 1-4The utility model provides a kind of metal ball bead screening grinding device, including base 1, the upper surface of left end of base 1 is equipped with grinding mechanism 3, recess 11 is opened in the front side of base 1, discharge mechanism 2 is arranged in the inside of recess 11, lower grinding disc 12 is installed on the upper surface of base 1 in the middle, lower locating hole 13 is opened in the upper surface of lower grinding disc 12 in the middle, annular groove 14 is opened in the upper surface of base 1 outside lower grinding disc 12, cylindrical groove 15 is opened in the inner wall of top end of recess 11 close to lower locating hole 13;Grinding mechanism 3 includes electric cylinder 31, electric cylinder 31 is fixedly connected on the upper surface of left end of base 1, the input end of electric cylinder 31 is electrically connected with external power supply, piston rod 32 is installed in the upper surface of electric cylinder 31, and the upper surface of piston rod 32 is fixedly connected with top plate 33;The lower surface of right end of top plate 33 is fixedly connected with connecting column 34, the lower surface of connecting column 34 is fixedly connected with motor 35, and the lower surface output end of motor 35 is fixedly connected with rotating shaft 36;The lower surface of rotating shaft 36 is fixedly connected with upper grinding disc 37, and upper locating hole 38 is opened in the lower surface of upper grinding disc 37 in the middle, and upper locating hole 38 is located directly above lower locating hole 13;Specifically, when grinding metal ball bead, metal ball bead can be placed on lower locating hole 13, so as to screen metal ball bead, and the ball bead with diameter less than the opening of lower locating hole 13 falls into the inside of lower locating hole 13, so that new ball bead can be taken out and replaced;After placing metal ball bead, electric cylinder 31 can be started to make piston rod 32 drive top plate 33 to move downwards, in turn upper grinding disc 37 is driven to move downwards by connecting column 34 and approaches metal ball bead, so that upper locating hole 38 can be buckled to the upper end outer surface of metal ball bead, then motor 35 can be started to make rotating shaft 36 drive upper grinding disc 37 to rotate, so as to grind metal ball bead.

[0024] Refer to Figures 1-4, the discharging mechanism 2 comprises a suction pump 21 and a hollow tube 23, the suction pump 21 and the hollow tube 23 are fixedly connected to the inner bottom surface of the groove 11, the input end of the suction pump 21 is electrically connected with an external power supply, the air outlet of the suction pump 21 is communicated with a gas guide pipe 22, the end of the gas guide pipe 22 away from the suction pump 21 is communicated with the internal cavity of the hollow tube 23, the top end of the cylindrical groove 15 close to the lower positioning hole 13 is fixedly connected with an arc-shaped block 25, the end of the hollow tube 23 away from the inner bottom surface of the groove 11 extends into the cylindrical groove 15 and is fixedly connected with the lower surface of the arc-shaped block 25, the internal arc-shaped cavity 26 is arranged in the arc-shaped block 25, the internal cavity of the hollow tube 23 is communicated with the internal arc-shaped cavity 26, a plurality of air holes 27 are arranged in the upper surface of the arc-shaped block 25 close to the lower positioning hole 13, the internal cavity of the air hole 27 is communicated with the internal arc-shaped cavity 26, and the filter screen 28 is fixedly connected to the inner wall of the upper end of the air hole 27; the valve 24 is installed on the end of the gas guide pipe 22 close to the hollow tube 23; specifically, after the grinding is completed, the valve 24 is opened, the suction pump 21 is started to suck external air to make the external air enter into the internal arc-shaped cavity 26 from the gas guide pipe 22 and the hollow tube 23, the air entering into the internal arc-shaped cavity 26 is sprayed into the internal lower positioning hole 13 from the plurality of air holes 27, and then the ground metal spherical body is blown from the bottom, so that the metal spherical body is lifted, and the staff member is convenient to take; the difficulty of taking the ground metal spherical body from the internal lower positioning hole 13 is reduced through the cooperation of the above structure.

[0025] The implementation principle of the metal spherical body screening and grinding device embodiment is as follows:

[0026] When the device is used, the external power supply is connected first, the metal spherical body is placed on the lower positioning hole 13 during the grinding of the metal spherical body, so that the metal spherical body is screened, the spherical body with a diameter smaller than the opening of the lower positioning hole 13 falls into the internal lower positioning hole 13, and the new spherical body can be taken out and replaced; after the metal spherical body is placed, the electric cylinder 31 is started to drive the piston rod 32 to move the top plate 33 downwards, the connecting column 34 is driven to move the upper grinding disc 37 downwards to approach the metal spherical body, so that the upper positioning hole 38 can be buckled to the upper end outer surface of the metal spherical body, then the motor 35 is started to drive the rotating shaft 36 to drive the upper grinding disc 37 to rotate, so that the metal spherical body is ground.

[0027] When the grinding is completed, the suction pump 21 is started to suck external air to make the external air enter into the internal arc-shaped cavity 26 from the gas guide pipe 22 and the hollow tube 23, the air entering into the internal arc-shaped cavity 26 is sprayed into the internal lower positioning hole 13 from the plurality of air holes 27, and then the ground metal spherical body is blown from the bottom, so that the metal spherical body is lifted, and the staff member is convenient to take; the difficulty of taking the ground metal spherical body from the internal lower positioning hole 13 is reduced through the cooperation of the above structure.

[0028] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A metal ball screening and grinding device comprising a base (1), characterized in that: The left end upper surface of the base (1) is provided with a grinding mechanism (3), the front side of the base (1) is provided with a groove (11), the inside of the groove (11) is provided with a discharging mechanism (2), the upper surface of the base (1) is provided with a lower grinding disc (12) in the middle, the upper surface of the lower grinding disc (12) is provided with a lower positioning hole (13) in the middle, the upper surface of the base (1) is provided with an annular groove (14) outside the lower grinding disc (12), and the inner wall of the top end of the groove (11) is provided with a cylindrical groove (15) close to the lower positioning hole (13). The discharging mechanism (2) comprises a gas suction pump (21) and a hollow pipe (23), the gas suction pump (21) and the hollow pipe (23) are fixedly connected to the inner bottom surface of the groove (11), the gas outlet of the gas suction pump (21) is communicated with a gas guide pipe (22), one end of the gas guide pipe (22) away from the gas suction pump (21) is communicated with the internal cavity of the hollow pipe (23), the top end of the cylindrical groove (15) is fixedly connected with an arc-shaped block (25) close to the lower positioning hole (13), one end of the hollow pipe (23) away from the inner bottom surface of the groove (11) is fixedly connected with the lower surface of the arc-shaped block (25) after extending into the cylindrical groove (15), the internal cavity of the hollow pipe (23) is communicated with the arc-shaped cavity (26), the internal cavity of the arc-shaped cavity (26) is communicated with the internal cavity of the arc-shaped cavity (26), and the upper end inner wall of the gas hole (27) is fixedly connected with a filter screen (28).

2. A metal ball screening and grinding device as claimed in claim 1, characterized in that: The grinding mechanism (3) comprises an electric cylinder (31), the electric cylinder (31) is fixedly connected to the left end upper surface of the base (1), the upper surface of the electric cylinder (31) is provided with a piston rod (32) in the middle, and the upper surface of the piston rod (32) is fixedly connected with a top plate (33).

3. A metal ball screening and grinding device as claimed in claim 2, characterized in that: The right end lower surface of the top plate (33) is fixedly connected with a connecting column (34), the lower surface of the connecting column (34) is fixedly connected with a motor (35), and the lower surface output end of the motor (35) is fixedly connected with a rotating shaft (36).

4. A metal ball screening and grinding device as claimed in claim 3, characterized in that: The lower surface of the rotating shaft (36) is fixedly connected with an upper grinding disc (37), the lower surface of the upper grinding disc (37) is provided with an upper positioning hole (38) in the middle, and the upper positioning hole (38) is located directly above the lower positioning hole (13).

5. A metal ball screening and grinding device as claimed in claim 2, characterized in that: The input ends of the gas suction pump (21) and the electric cylinder (31) are electrically connected with an external power supply.

6. A metal ball screening and grinding device as claimed in claim 1, characterized in that: The valve (24) is arranged on the outer surface of one end of the gas guide pipe (22) close to the hollow pipe (23).

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