Powder high-speed steel drill bit coating pretreatment equipment

Abstract

The invention discloses powder high-speed steel drill bit coating pretreatment equipment, and relates to the technical field of material surface treatment.The powder high-speed steel drill bit coating pretreatment equipment comprises a first supporting leg, a transmission assembly is arranged on the first supporting leg and comprises a shell, the first supporting leg is fixedly connected to the bottom of the shell, and a first fixing pipe fixedly communicates with the shell; a spraying bin is slidably connected to the first fixing pipe, fan blades are fixedly connected to the interior of the spraying bin, a conical magnet is fixedly connected to the interior of the shell, the first fixing pipe fixedly communicates with the conical magnet, and the spraying bin is arranged in the conical magnet. And iron powder in the sand can be adsorbed by the conical magnet, so that the iron powder is prevented from drifting and suspending along with the sand blasting airflow and being in contact with the cutting edge of the cutter, and the problem that the iron powder cannot be cleaned in the prior art is solved.

Description

Technical Field

[0001] The invention relates to the technical field of material surface treatment, in particular to a powder high-speed steel drill bit coating pretreatment device. Background Art

[0002] In modern industrial production, workpieces will inevitably be contaminated with various dirt and impurities on their surfaces during the process of processing, storage and transportation. During the processing, due to the use of cutting fluids, lubricants, etc., the surface of metal workpieces is very easy to adhere to oil stains; in the storage environment, if the air humidity is high or there is corrosive gas, it may cause the surface of the workpiece to rust and form rust marks. During transportation, impurities such as dust will also fall and adhere to the surface of the workpiece. The presence of these dirt and impurities such as oil stains, dust, rust, etc. has many adverse effects on the subsequent processing of the workpiece; In certain specific industrial application scenarios, such as high-speed cutting or high-temperature processing, workpieces, especially tools such as drills, will be affected by extremely high temperatures. In this case, if the coating on the workpiece surface does not have good thermal stability, it is easy to fail under high temperature. For example, during high-speed cutting, the friction between the drill bit and the workpiece will generate a lot of heat, causing the drill bit temperature to rise sharply; in a high-temperature processing environment, the workpiece is in a high-temperature state for a long time. If the coating cannot withstand these high temperatures, it will soften, peel off, etc., thereby losing its protective effect on the workpiece; Sandblasting, as a commonly used surface treatment method, can effectively solve the above problems. Sandblasting uses high-speed spraying of abrasive particles to act on the surface of the workpiece with a strong impact force. These abrasive particles are like miniature "cleaning tools" that can strongly impact and remove dirt and impurities such as oil, dust, rust, etc. on the surface of the workpiece. For example, for parts in the metal processing industry, sandblasting can completely remove the oil on the surface, providing a clean surface for subsequent coating, welding and other processes, thereby ensuring the quality of these processes; At the same time, sandblasting can also make the surface of the workpiece form a certain degree of roughness. When the abrasive particles hit the surface of the workpiece, they will leave an uneven microstructure on the surface, which increases the contact area between the coating and the workpiece surface. The coating material can be better embedded in these rough surfaces, just like gears meshing with each other, forming a mechanical locking effect. This mechanical locking makes the combination between the coating and the workpiece surface more firm. When subjected to external forces, the coating is not easy to peel off. For example, in some harsh working environments, the workpiece may be subjected to external forces such as vibration, impact, and friction, and the coating after sandblasting can better withstand these external forces and extend the service life of the workpiece. However, during the sandblasting process, due to the characteristics of the sandblasting process, more iron powder will inevitably be produced. These iron powders are often in a more active state in a specific sandblasting environment. They will float and suspend with the airflow of the sandblasting. When these iron powders come into contact with the tool being sandblasted, especially at the cutting edge of the tool, since the cutting edge itself is relatively sharp and fine, these iron powders are very likely to cause damage to it. Driven by the high-speed airflow, the iron powders may hit the cutting edge with a certain impact force, resulting in tiny notches, scratches or deformations on the cutting edge, thereby affecting the cutting performance and service life of the tool. Summary of the invention

[0003] The object of the present invention is to provide a powder high-speed steel drill bit coating pretreatment device to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: A powder high-speed steel drill bit coating pretreatment device, comprising a first support leg, characterized in that a transmission assembly is provided on the first support leg; The transmission assembly includes a shell, the first supporting leg is fixedly connected to the bottom of the shell, the shell is fixedly connected to a first fixed tube, a spray chamber is slidably connected to the first fixed tube, a fan blade is fixedly connected in the spray chamber, a conical magnet is fixedly connected in the shell, the first fixed tube is fixedly connected to the conical magnet, and the spray chamber is arranged in the conical magnet.

[0005] As a preferred embodiment, an air bin is fixedly connected to the outer shell, a connecting pipe is fixedly connected to the air bin, an end of the connecting pipe away from the air bin is fixedly connected to a second air inlet pipe, an end of the second air inlet pipe away from the connecting pipe is fixedly connected to the first fixed pipe, an end of the first fixed pipe away from the spraying bin is fixedly connected to the conical magnet, a sliding hole is provided on the spraying bin, the first fixed pipe is slidably connected to the sliding hole on the spraying bin, two first fixed pipes are provided, a first rubber part is fixedly connected between the two first fixed pipes, the first rubber part is slidably connected to the spraying bin, a discharge port is provided on the spraying bin, a conveyor belt is slidably connected to the inner shell, and a second supporting leg is fixedly connected to the bottom of the conveyor belt.

[0006] The above technical solution is adopted: the sand enters the spray chamber through the connecting pipe, the second air inlet pipe and the first fixed pipe in sequence under the action of air pressure, and collides with the fan blades. Since the fan blades are fixedly connected to the spray chamber, when the fan blades move, they will drive the spray chamber to move. The fan blades drive the spray chamber to rotate, so that the spray chamber is driven to slide on the first fixed pipe. The sand rolls and collides on the inner wall of the spray chamber under the action of airflow. The first rubber part can achieve a sealing effect to a certain extent. When a gap is generated between the spray chamber and the first rubber part, the iron powder in the sand can be adsorbed into the conical magnet to achieve adsorption of the iron powder.

[0007] As a preferred embodiment, a rubber piston is slidably connected in the air bin, a first air inlet pipe is fixedly connected to the air bin, the first air inlet pipe is fixedly connected to a side of the air bin close to the top of the rubber piston, and an end of the first air inlet pipe away from the air bin is fixedly connected to an air pump.

[0008] The above technical solution is adopted: by providing a first air inlet pipe, the first air inlet pipe is fixedly connected to the upper side of the air warehouse, so that the sliding of the rubber piston can be controlled by the air pump. The controllability of the air pump is high, and the degree of automation of the device is improved.

[0009] As a preferred implementation, the air pump is fixedly connected to the first supporting leg.

[0010] By adopting the above technical solution, the air pump has high controllability. When in use, the pressure in the air chamber can be set by the air pump to control the sandblasting speed.

[0011] As a preferred implementation, an electric telescopic rod is fixedly connected inside the housing.

[0012] With the above technical solution, the first supporting leg is responsible for supporting the outer shell to prevent it from falling off. The method of relying solely on the second supporting leg for support may result in uneven weight distribution and the device may tilt.

[0013] As a preferred implementation, an airbag is fixedly connected to a side of the electric telescopic rod away from the housing.

[0014] The above technical solution is adopted: a connecting pipe is set to be fixedly connected to the lower side of the air bin. When the rubber piston is pressed downward, under the action of the airflow, the rubber piston presses the sand in the air bin into the spraying bin through the connecting pipe and the second air inlet pipe.

[0015] As a preferred embodiment, a slot is provided on the outer shell, a motor is fixedly connected in the slot on the outer shell, a ratchet is fixedly connected to the output shaft of the motor, a gear is meshed on the ratchet, a connecting shaft is fixedly connected to the gear, and a second rubber member is fixedly connected to the end of the connecting shaft away from the gear.

[0016] The above technical solution is adopted: when in use, by starting the motor, the motor electric ratchet rotates, driving the gear to rotate, so that the gear drives the connecting shaft to rotate, and the connecting shaft drives the second rubber part to rotate. The second rubber part can press the material tightly, causing it to rub on the conveyor belt, thereby achieving grinding of burrs.

[0017] As a preferred implementation, a return spring is fixedly connected to the gear, and one end of the return spring away from the gear is fixedly connected to the housing.

[0018] With the above technical solution, when in use, when the smooth side of the ratchet wheel contacts the gear, the reset spring drives the second rubber member to reset.

[0019] Compared with the prior art, the advantages and positive effects of the present invention are: In the present invention, the connection between the air bin and the air pump, the sliding of the rubber piston and the connection of various pipelines are designed to achieve the setting of the sandblasting speed by controlling the pressure in the air bin through the air pump, and the sand material is tumbled in the spraying bin with the help of the rotation of the fan blades and the self-tumbling collision, so that the iron sand therein is adsorbed, and the motor in the slot of the outer shell drives the operation of the ratchet, gears and other components to grind the burrs of the material, and the conveyor belt runs stably under the joint support of the first support leg and the second support leg. These functions together constitute a complete and effective powder high-speed steel drill bit coating pretreatment equipment, and by arranging a conical magnet in the spraying bin, when there is a gap in the first rubber seal, the iron powder in the sand material can be adsorbed by the conical magnet, thereby preventing the iron powder from floating around, suspending and contacting the tool edge with the sandblasting airflow, solving the problem that the prior art in the background technology cannot clean the iron powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a powder high-speed steel drill bit coating pretreatment equipment.

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of the air chamber of a powder high-speed steel drill bit coating pretreatment equipment.

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the shell of a powder high-speed steel drill bit coating pretreatment equipment.

[0023] Figure 4 It is a schematic diagram of the connection relationship between a conveyor belt and a second support leg of a powder high-speed steel drill bit coating pretreatment device; Figure 5 This is a schematic diagram of the position of an electric telescopic rod and an airbag in a powder high-speed steel drill bit coating pretreatment device; Figure 6 A schematic diagram of a conical magnet in a powder high-speed steel drill bit coating pretreatment device; Figure 7 A schematic diagram of the connection between a ratchet and a gear in a powder high-speed steel drill bit coating pretreatment device; Figure 8 This is a schematic diagram of the position of the return spring in a powder high-speed steel drill bit coating pretreatment device.

[0024] Numbers in the figure: 1. The first supporting leg; 2. Transmission assembly; 21. Housing; 22. Conical magnet; 23. Spraying chamber; 24. Fan blade; 25. First fixing tube; 26. First rubber member; 3. Air chamber; 31. First air inlet pipe; 32. Air pump; 33. Connecting pipe; 34. Rubber piston; 35. Second air inlet pipe; 4. conveyor belt; 41. second supporting leg; 5. Electric telescopic rod; 51. Airbag; 6. ratchet; 61. gear; 62. return spring; 63. connecting shaft; 64. second rubber part; 65. motor. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] like Figure 1-Figure 8 As shown, a powder high-speed steel drill bit coating pretreatment device includes a first support leg 1, and a transmission assembly 2 is arranged on the first support leg 1; The transmission assembly 2 includes a housing 21, a first support leg 1 is fixedly connected to the bottom of the housing 21, a first fixed pipe 25 is fixedly connected to the housing 21, a spray chamber 23 is slidably connected to the first fixed pipe 25, a fan blade 24 is fixedly connected in the spray chamber 23, a conical magnet 22 is fixedly connected in the housing 21, the first fixed pipe 25 is fixedly connected to the conical magnet 22, and the spray chamber 23 is arranged in the conical magnet 22; In the present invention, by setting a conical magnet 22 in the spray chamber 23, when there is a gap in the seal of the first rubber part 26, the iron powder in the sand material can be absorbed by the conical magnet 22, thereby preventing the iron powder from floating around, suspending and contacting the tool edge with the sandblasting airflow, and solving the problem that the prior art in the background technology cannot clean the iron powder, wherein the conical magnet is used to absorb the iron powder, and the rubber piston is only used to send out the sand material.

[0027] Further, such as Figures 1 to 8As shown, the housing 21 is fixedly connected with an air bin 3, the air bin 3 is fixedly connected with a connecting pipe 33, the connecting pipe 33 has an end away from the air bin 3 fixedly connected with a second air inlet pipe 35, the end of the second air inlet pipe 35 away from the connecting pipe 33 is fixedly connected with the first fixed pipe 25, the end of the first fixed pipe 25 away from the spraying bin 23 is fixedly connected to the conical magnet 22, the spraying bin 23 is provided with a sliding hole, the first fixed pipe 25 is slidably connected to the sliding hole on the spraying bin 23, two first fixed pipes 25 are provided, a first rubber member 26 is fixedly connected between the two first fixed pipes 25, the first rubber member 26 is slidably connected to the spraying bin 23, the spraying bin 23 is provided with an outlet The material inlet, the outer shell 21 is slidably connected with a conveyor belt 4, and the bottom of the conveyor belt 4 is fixedly connected with a second supporting leg 41. Under the action of air pressure, the sand material enters the spraying chamber 23 through the connecting pipe 33, the second air inlet pipe 35, and the first fixed pipe 25 in sequence, and collides with the fan blade 24. The fan blade 24 drives the spraying chamber 23 to rotate, so that the spraying chamber 23 is driven to slide on the first fixed pipe 25. The sand material rolls and collides on the inner wall of the spraying chamber 23 under the action of the airflow. The first rubber part 26 can achieve a sealing effect to a certain extent. When a gap is generated between the spraying chamber 23 and the first rubber part 26, the iron powder in the sand material can be adsorbed into the conical magnet 22 to achieve adsorption of the iron powder; A rubber piston 34 is slidably connected in the air bin 3, and a first air inlet pipe 31 is fixedly connected to the air bin 3. The first air inlet pipe 31 is fixedly connected to a side of the air bin 3 close to the top of the rubber piston 34, and an end of the first air inlet pipe 31 away from the air bin 3 is fixedly connected to an air pump 32. By providing the first air inlet pipe 31, the first air inlet pipe 31 is fixedly connected to an upper side of the air bin 3, so that the sliding of the rubber piston 34 can be controlled by the air pump 32, the controllability of the air pump 32 is relatively high, and the automation degree of the device is improved; The air pump 32 is fixedly connected to the first supporting leg 1. The air pump 32 has high controllability. When in use, the pressure in the air chamber 3 can be set by the air pump 32 to control the sandblasting speed. The housing 21 is fixedly connected with an electric telescopic rod 5. The first support leg 1 is responsible for supporting the housing 21 to prevent it from falling off. The method of relying solely on the second support leg 41 for support may result in uneven weight distribution and the device may tilt. The side of the electric telescopic rod 5 away from the housing 21 is fixedly connected with an air bag 51, which is fixedly connected to the lower side of the air chamber 3 by setting a connecting pipe 33. When the rubber piston 34 is pressed downward, under the action of the airflow, the sand in the air chamber 3 enters the spray chamber 23 through the connecting pipe 33 and the second air inlet pipe 35; The housing 21 is provided with a slot, and a motor 65 is fixedly connected in the slot on the housing 21. The output shaft of the motor 65 is fixedly connected to the ratchet 6, and the ratchet 6 is meshed with a gear 61. The gear 61 is fixedly connected to a connecting shaft 63, and the end of the connecting shaft 63 away from the gear 61 is fixedly connected to a second rubber member 64. When in use, by starting the motor 65, the motor 65 drives the electric ratchet 6 to rotate, driving the gear 61 to rotate, so that the gear 61 drives the connecting shaft 63 to rotate, and the connecting shaft 63 drives the second rubber member 64 to rotate. The second rubber member 64 can tightly press the material so that it rubs on the conveyor belt 4 to achieve grinding of burrs; The above solution still has the problem of not proposing how to reset the second rubber member 64. Figure 7 , Figure 8 As shown, a reset spring 62 is fixedly connected to the gear 61, and one end of the reset spring 62 away from the gear 61 is fixedly connected to the housing 21. When in use, when the smooth side of the ratchet 6 contacts the gear 61, the reset spring 62 will drive the second rubber member 64 to reset.

[0028] Working principle: Figure 1 - Figure 8 As shown, the first supporting leg 1 supports the shell 21, and the air chamber 3 on the shell 21 is connected with the air pump 32 through the first air inlet pipe 31. The air pump 32 is started to supply air to the air chamber 3, and the rubber piston 34 in the air chamber 3 slides under the action of air pressure. The air chamber 3 is connected with the spray chamber 23 through the connecting pipe 33 and the second air inlet pipe 35. The rubber piston 34 slides to push the airflow and the sand material to the spray chamber 23 through the first fixed pipe 25. The sand material is sprayed onto the fan blades 24 in the spray chamber 23 under the push of the airflow squeezed out by the rubber piston 34. The fan blades 24 drive the spray chamber 23 to rotate and slide on the first fixed pipe 25. The sand material rolls and collides in the spray chamber 23, and the first rubber member 26 plays a sealing role. When there is a gap, the iron powder is adsorbed by the conical magnet 22. The air pressure in the air chamber 3 is controlled by the air pump 32, and the pressure can be set to control the sandblasting speed. The position of the connecting pipe 33 allows the sand to enter the spraying chamber 23. The motor 65 in the slot of the shell 21 is started to drive the ratchet 6 to rotate, and the ratchet 6 engages the gear 61 to rotate. The gear 61 drives the second rubber member 64 to rotate through the connecting shaft 63, and the material is pressed on the conveyor belt 4 to rub and grind the burrs. The reset spring 62 on the gear 61 drives the second rubber member 64 to reset when the smooth surface of the ratchet 6 contacts the gear 61. The second support leg 41 at the bottom of the conveyor belt 4 is supported together with the first support leg 1 to prevent the device from tilting; The electric telescopic rod 5 in the housing 21 can control the expansion and storage of the airbag 51. When working, the electric telescopic rod 5 is extended to make the airbag 51 press against the material. Since the airbag 51 and the surface of the conveyor belt 4 are made of high elastic resin material, the drill bit edge will not be damaged. The material rubs and rolls on the conveyor belt, and the friction of the conveyor belt is used to clean the burrs on the surface of the drill bit.

[0029] The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with this patent can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content suggested above without departing from the scope of the technical solution of the present invention. The implementation scheme in the above embodiment can also be further combined or replaced. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the scope of the solution of the present invention.

Claims

1. A powder high-speed steel drill bit coating pretreatment device, comprising a first support leg (1), characterized in that: The first supporting leg (1) is provided with a transmission assembly (2); The transmission assembly (2) comprises a housing (21), the first supporting leg (1) is fixedly connected to the bottom of the housing (21), a first fixed pipe (25) is fixedly connected to the housing (21), a spray chamber (23) is slidably connected to the first fixed pipe (25), a fan blade (24) is fixedly connected inside the spray chamber (23), a conical magnet (22) is fixedly connected inside the housing (21), the first fixed pipe (25) is fixedly connected to the conical magnet (22), and the spray chamber (23) is arranged inside the conical magnet (22).

2. The powder high speed steel drill bit coating pretreatment equipment according to claim 1, characterized in that: The housing (21) is fixedly connected to an air bin (3), the air bin (3) is fixedly connected to a connecting pipe (33), one end of the connecting pipe (33) away from the air bin (3) is fixedly connected to a second air inlet pipe (35), one end of the second air inlet pipe (35) away from the connecting pipe (33) is fixedly connected to a first fixed pipe (25), one end of the first fixed pipe (25) away from the spray bin (23) is fixedly connected to the conical magnet (22), and a sliding hole is provided on the spray bin (23). The first fixed tube (25) is slidably connected to a sliding hole on the spray chamber (23); two first fixed tubes (25) are provided; a first rubber member (26) is fixedly connected between the two first fixed tubes (25); the first rubber member (26) is slidably connected to the spray chamber (23); a discharge port is provided on the spray chamber (23); a conveyor belt (4) is slidably connected to the inside of the outer shell (21); and a second supporting leg (41) is fixedly connected to the bottom of the conveyor belt (4).

3. The powder high speed steel drill bit coating pretreatment equipment according to claim 2, characterized in that: A rubber piston (34) is slidably connected in the air bin (3), and a first air inlet pipe (31) is fixedly connected to the air bin (3). The first air inlet pipe (31) is fixedly connected to a side of the air bin (3) close to the top of the rubber piston (34), and an end of the first air inlet pipe (31) away from the air bin (3) is fixedly connected to an air pump (32).

4. The powder high speed steel drill bit coating pretreatment equipment according to claim 3, characterized in that: The air pump (32) is fixedly connected to the first supporting leg (1).

5. The powder high speed steel drill bit coating pretreatment equipment according to claim 4, characterized in that: An electric telescopic rod (5) is fixedly connected inside the housing (21).

6. The powder high speed steel drill bit coating pretreatment equipment according to claim 5, characterized in that: An air bag (51) is fixedly connected to a side of the electric telescopic rod (5) away from the housing (21).

7. The powder high speed steel drill bit coating pretreatment equipment according to claim 6, characterized in that: The housing (21) is provided with a slot, a motor (65) is fixedly connected in the slot on the housing (21), an output shaft of the motor (65) is fixedly connected to a ratchet (6), a gear (61) is meshed on the ratchet (6), a connecting shaft (63) is fixedly connected to the gear (61), and a second rubber member (64) is fixedly connected to one end of the connecting shaft (63) away from the gear (61).

8. The powder high speed steel drill bit coating pretreatment equipment according to claim 7, characterized in that: A return spring (62) is fixedly connected to the gear (61), and one end of the return spring (62) away from the gear (61) is fixedly connected to the housing (21).

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