Film coating equipment capable of synchronously depositing multiple coatings

Abstract

The coating equipment comprises a cylinder, an electric push rod is fixedly mounted on the lower surface in the cylinder, a mounting disc is fixedly mounted on the upper surface of a piston rod of the electric push rod, and a clamping mechanism is fixedly mounted on the upper surface of the mounting disc; and the clamping mechanism can clamp the milling cutter and push the milling cutter up and down in the cylinder through pushing of the electric push rod. Through the design of the cathode target and the clamping mechanism, synchronous deposition of multiple layers of coatings can be carried out on the milling cutter, interfaces among the multiple layers of coatings can be tighter through synchronous deposition, interlayer defects and pores are reduced, the overall quality of the coatings can be improved, and through the synchronous clamping function of a clamping plate, the coating quality is improved. Therefore, the milling cutter can be clamped in the center of the cylindrical coating chamber, and the thicknesses of coatings in different areas of the surface of the milling cutter can be more consistent.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tool machining technical field, concretely to a multilayer coating synchronous deposition's coating equipment. BACKGROUND

[0002] Milling cutter is a rotary cutter with one or more teeth for milling. During operation, each tooth cuts off the excess of the workpiece intermittently, and the milling cutter is mainly used for processing plane, step, groove, shaped surface and cutting off workpiece on the milling machine.

[0003] A kind of milling cutter coating equipment and milling cutter coating process are disclosed in the patent with state authorization patent announcement No.CN112680693B, and its technical scheme points are as follows: including base, furnace cover and hearth, furnace cover is covered in base, hearth is opened in furnace cover, base is vertically provided with first stand, first stand is hollow, and the outer wall of first stand is provided with multiple groups of feeding rods from top to bottom, multiple feeding rods in the same group are horizontally wound on the outer wall of first stand, the top of feeding rod is used to place milling cutter, the inner wall of furnace cover is provided with multiple limit rods, limit rod is provided with limit hole, limit hole is used for the milling cutter placed on feeding rod to pass through, feeding rod vertically slides on the outer wall of first stand, first stand is provided with control structure for controlling the repeated lifting of feeding rod, the milling cutter coating equipment and the milling cutter coating process of the application have the effect of uniform coating of milling cutter.

[0004] However, the above-mentioned milling cutter coating equipment and milling cutter coating process cannot perform synchronous deposition of multiple layers of coating on the milling cutter during the coating process, which may cause differences in deposition time among the layers, leading to an undesirable state of the interlayer interface. Furthermore, during the clamping process of the milling cutter, the milling cutter cannot always be kept at the center position of the coating chamber. The coating environment in the coating chamber is usually relatively uniform at the center position. If the milling cutter deviates from the center position, the coating conditions received by different parts will be different, resulting in inconsistent coating thickness in different areas of the milling cutter surface. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of multilayer coating synchronous deposition's coating equipment, to solve the problem that the milling cutter coating process cannot perform synchronous deposition of multiple layers of coating on the milling cutter and the milling cutter cannot always be kept at the center position of the coating chamber during the clamping process of the milling cutter.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of multi-layer coating synchronous deposition coating equipment, including: cylinder, electric push rod is fixedly installed in the lower surface of the cylinder, the piston rod upper surface of the electric push rod is fixedly installed with mounting disc, clamping mechanism is fixedly installed on the mounting disc upper surface, so that the clamping mechanism can be clamped milling cutter is pushed in cylinder by the pushing of electric push rod and is pushed up and down.

[0008] Preferably, the upper and lower ends of the outer surface of the cylinder are fixedly installed with U-shaped ring, and the two groups of U-shaped rings are sealed and rotated with the closure cover.

[0009] Preferably, the outer surface of the mounting disc is fixedly installed with a connecting ring, the connecting ring of the mounting disc is penetrated by a trachea, and the other end of the trachea penetrates from the lower surface to the outer surface of the cylinder for gas supply and connection with the gas supply equipment.

[0010] Preferably, the upper surface of the cylinder is fixedly installed with an arc power supply, the arc power supply is integrated with a voltage stabilizing power supply module, two groups of cathode targets and additional anodes are fixedly installed at the two ends of the upper half of the cylinder respectively, the cathode targets and additional anodes are in opposite state, the arc power supply can provide electric energy for the two groups of cathode targets, so that the cathode target surface generates arc discharge phenomenon, and forms an electric field environment by cooperating with the additional anode.

[0011] Preferably, the clamping mechanism includes a connecting block, a guide groove is formed in the connecting block, two groups of guide blocks are slidably installed in the guide groove, the upper surfaces of the two groups of guide blocks are fixedly installed with clamping plates respectively, and the opposite sides of the two groups of clamping plates are respectively provided with horizontal and vertical clamping grooves.

[0012] Preferably, the lower surfaces of the two groups of guide blocks are fixedly installed with transmission blocks, the two groups of transmission blocks are threadedly installed on the outer surfaces of threaded rods, and the threads on the left and right sides of the outer surfaces of the threaded rods are forward and reverse respectively, so that the threaded rods can threadedly drive the two groups of guide blocks to slide synchronously to the center to clamp or slide outward to expand.

[0013] Preferably, the two ends of the threaded rod are fixedly installed with handles.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. Through the design of the cylinder, arc power supply, electric push rod, air pipe, cathode target, additional anode and clamping mechanism, when in use, the milling cutter can be clamped between the clamping mechanisms, then the electric push rod can be started to push the clamped milling cutter in the clamping mechanism to rise to an appropriate height position, so that the milling cutter is in an area that can effectively accept coating, then the closed cover can be turned inside the U-shaped ring to rotate to seal the cylinder, then the arc power supply can be started to provide power to the two groups of cathode targets, so that the cathode target surface produces arc discharge phenomenon, and the arc discharge on the surface of the cathode target produces plasma, which contains substance particles for coating, at the same time, the cathode target cooperates with the additional anode to form an electric field environment, which accelerates and guides the particles in the plasma, so that the particles can move towards the direction of the milling cutter, and in this process, because the two groups of cathode targets are simultaneously provided with power by the arc power supply and produce arc discharge, and the two groups of cathode targets can use different target materials respectively, the plasma particles produced by different target materials contain different components, these different components of particles move to the surface of the milling cutter under the action of the electric field and deposit at the same time, for example, the plasma particles produced by one group of cathode targets contain substances for forming a bottom layer coating, and the plasma particles produced by the other group of cathode targets contain substances for forming an upper layer coating, these different particles deposit on the surface of the milling cutter at the same time under the same electric field environment, thereby realizing the synchronous deposition of multi-layer coating, and synchronous deposition can make the interface between the multi-layer coating more compact, reduce the defects and pores between the layers, which helps to improve the overall quality of the coating and enhance the wear resistance, corrosion resistance and hardness of the coating. In addition, the air pipe is connected with the gas supply device through the mounting disc, and in the coating process, the gas supply device can provide specific gas into the cylinder through the air pipe, which can participate in the coating process, such as chemical reaction with the particles in the plasma, or adjust the air pressure in the coating chamber, etc., to further assist the synchronous deposition of multi-layer coating, at the same time, the voltage stabilizing power supply module integrated in the arc power supply can stabilize the voltage environment in the cylinder, ensure the discharge intensity and mode of the cathode target, and the stability of the electric field environment during the whole coating process, thereby ensuring the stability and uniformity of the synchronous deposition of multi-layer coating.

[0016] 2、Through the design of guide block, guide groove, clamping plate, threaded rod and handle, when clamping the milling cutter, the direction of clamping the milling cutter can be selected to place the milling cutter in the horizontal or vertical clamping groove between the two sets of clamping plates, and by selecting the horizontal or vertical direction to place the milling cutter in the clamping groove, the flexibility of clamping is increased, and for milling cutters with different shapes, sizes or design requirements, the most suitable clamping direction can be selected according to the characteristics of the milling cutter itself, such as the length, diameter ratio of the milling cutter, the direction of the cutting edge, etc., for the milling cutter with large length-diameter ratio, vertical clamping can be more conducive to ensuring the stability during the coating process, and for some special-shaped or special-structured milling cutters, horizontal clamping can be more convenient for operation and ensure the position accuracy of the milling cutter in the coating equipment, then the handle can be rotated to drive the forward and reverse threads arranged on the outer surface of the threaded rod to drive the two sets of guide blocks in the guide groove to slide synchronously to the center, thereby clamping the milling cutter between them. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the multi-layer coating synchronous deposition coating equipment of the utility model.

[0018] Figure 2 It is a structure schematic view of the air pipe.

[0019] Figure 3 It is a structure schematic view of the cathode target and the additional anode.

[0020] Figure 4 It is a structure schematic view of the U-shaped ring.

[0021] Figure 5 It is a structure schematic view of the clamping mechanism.

[0022] In the figure: 1, cylinder; 101, U-shaped ring; 102, closed cover; 103, arc power supply; 104, electric push rod; 105, mounting disc; 106, air pipe; 107, cathode target; 108, additional anode; 2, clamping mechanism; 201, connecting block; 202, guide block; 203, clamping plate; 204, transmission block; 205, threaded rod; 206, handle; 207, guide groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer toFigures 1-5 This embodiment provides the following technical solution:

[0025] like Figures 1-4 As shown, a coating equipment for simultaneous deposition of multilayer coatings includes: a cylinder 1, an electric push rod 104 fixedly installed on the lower inner surface of the cylinder 1, an mounting plate 105 fixedly installed on the upper surface of the piston rod of the electric push rod 104, and a clamping mechanism 2 fixedly installed on the upper surface of the mounting plate 105, so that the clamping mechanism 2 can clamp the milling cutter and push it up and down inside the cylinder 1 by the push of the electric push rod 104.

[0026] U-shaped rings 101 are fixedly installed at the upper and lower ends of the outer surface of the cylinder 1, and a closing cover 102 is sealed and rotated inside the two sets of U-shaped rings 101.

[0027] A connecting ring is fixedly installed on the outer surface of the mounting plate 105. An air pipe 106 is inserted inside the connecting ring of the mounting plate 105. The other end of the air pipe 106 passes through the lower surface of the cylinder 1 to the outer surface to supply air and connect to the air supply equipment.

[0028] An arc power supply 103 is fixedly installed on the upper surface of the cylinder 1. The arc power supply 103 integrates a voltage regulator module. Two sets of cathode targets 107 and additional anodes 108 are fixedly installed at both ends of the upper half of the cylinder 1, respectively. The cathode targets 107 and additional anodes 108 are in a facing position. The arc power supply 103 can provide electrical energy to the two sets of cathode targets 107, so that arc discharge phenomenon is generated on the surface of the cathode targets 107, and an electric field environment is formed by cooperation with the additional anodes 108.

[0029] Among them, the arc power supply 103 can be the XH-ARC200I multi-arc ion plating power supply, and the voltage regulator module can be the HRB series high voltage power supply module.

[0030] Through the design of the cylinder 1, the arc power supply 103, the electric push rod 104, the air pipe 106, the cathode target 107, the additive anode 108 and the clamping mechanism 2, in use, the milling cutter can be clamped between the clamping mechanisms 2, and then the electric push rod 104 can be started to push the clamped milling cutter in the clamping mechanism 2 to rise to a suitable height position, so that the milling cutter is in an area that can effectively receive film plating, and then the arc power supply 103 can be started to provide power to the two groups of cathode targets 107, so that the surface of the cathode target 107 generates arc discharge phenomenon, and the arc discharge on the surface of the cathode target 107 generates plasma, which contains substance particles used for film plating, at the same time, the cathode target 107 cooperates with the additive anode 108 to form an electric field environment, which accelerates and guides the particles in the plasma, so that the particles can move towards the direction of the milling cutter, and in this process, because the two groups of cathode targets 107 are simultaneously provided with power by the arc power supply 103 and generate arc discharge, and the two groups of cathode targets 107 can respectively adopt different target materials, the plasma particles generated by different target materials contain different components, and these different particles move towards the surface of the milling cutter under the action of the electric field and deposit at the same time, for example, the plasma particles generated by one group of cathode targets 107 contain substances used for forming a bottom coating layer, and the plasma particles generated by the other group of cathode targets 107 contain substances used for forming an upper coating layer, and these different particles deposit on the surface of the milling cutter at the same time under the same electric field environment, so as to realize the synchronous deposition of the multi-layer coating, and the synchronous deposition can make the interface between the multi-layer coating more compact, reduce the defects and pores between the layers, which helps to improve the overall quality of the coating, enhance the wear resistance, corrosion resistance and hardness of the coating and the like, in addition, the air pipe 106 is connected with the gas supply equipment through the mounting disc 105, and in the film plating process, the gas supply equipment can provide specific gas into the cylinder 1 through the air pipe 106, which can participate in the film plating process, for example, chemical reaction with the particles in the plasma, or adjusting the air pressure in the film plating chamber, further assisting the synchronous deposition of the multi-layer coating, at the same time, the voltage stabilizing power supply module integrated in the arc power supply 103 can stabilize the voltage environment in the cylinder 1, ensure the stability and mode of the discharge intensity of the cathode target 107, and the stability of the electric field environment in the whole film plating process, so as to ensure the stability and uniformity of the synchronous deposition of the multi-layer coating.

[0031] As shown in Figure 5 The clamping mechanism 2 includes a connecting block 201, a guide groove 207 is formed in the connecting block 201, two groups of guide blocks 202 are slidably installed in the guide groove 207, the upper surfaces of the two groups of guide blocks 202 are fixedly installed with clamping plates 203, and the opposite sides of the two groups of clamping plates 203 are respectively provided with horizontal and vertical clamping grooves.

[0032] The lower surface of the two groups of guide blocks 202 is fixedly installed with transmission blocks 204, the two groups of transmission blocks 204 are threadedly installed at the outer surface of the threaded rod 205, and the threads on the left and right sides of the outer surface of the threaded rod 205 are forward and reverse respectively, so that the threaded rod 205 can synchronously slide the two groups of guide blocks 202 to the center clamping or outward expansion.

[0033] The two ends of the threaded rod 205 are fixedly installed with handles 206.

[0034] Through the design of the guide block 202, the guide groove 207, the clamping plate 203, the threaded rod 205 and the handle 206, when clamping the milling cutter, the direction of clamping the milling cutter can be selected to place the milling cutter in the horizontal or vertical clamping groove between the two groups of clamping plates 203, and by selecting the horizontal or vertical direction to place the milling cutter in the clamping groove, the flexibility of clamping is increased, and for milling cutters of different shapes, sizes or design requirements, the most suitable clamping direction can be selected according to the characteristics of the milling cutter itself, such as the length, diameter ratio of the milling cutter, the direction of the cutting edge, etc., for the milling cutter with large length-diameter ratio, vertical clamping may be more conducive to ensuring the stability during the coating process, and for some special-shaped or special-structured milling cutters, horizontal clamping may be more convenient for operation and ensure the position accuracy in the coating equipment, then the handle 206 can be rotated to drive the forward and reverse threads provided on the outer surface of the threaded rod 205 to synchronously slide the two groups of guide blocks 202 in the guide groove 207 to the center, thereby clamping the milling cutter between them.

[0035] According to the technical scheme, the working steps of the scheme are summarized as follows: when in use, the milling cutter can be placed in the horizontal or vertical clamping groove between the two sets of clamping plates 203 by selecting the direction of clamping the milling cutter, and then the positive threads and reverse threads provided on the outer surface of the threaded rod 205 can be rotated to drive the two sets of guide blocks 202 to slide synchronously in the guide grooves 207 to the center, so that the milling cutter can be clamped in the center, and through the synchronous closing function, the milling cutter can be clamped in the center of the cylindrical 1 coating chamber, and then the electric push rod 104 can be started to push the clamped milling cutter in the clamping mechanism 2 to rise to a suitable height position, so that the milling cutter is in a region that can effectively receive coating, and then the closed cover 102 can be rotated in the U-shaped ring 101 to seal the cylindrical 1, and then the arc power supply 103 can be started to provide power to the two sets of cathode targets 107, so that the surface of the cathode target 107 generates arc discharge, and the arc discharge of the surface of the cathode target 107 generates plasma, and the plasma contains substance particles for coating, and at the same time, the cathode target 107 cooperates with the booster anode 108 to form an electric field environment, which accelerates and guides the particles in the plasma, so that the particles can move towards the direction of the milling cutter, and in this process, the two sets of cathode targets 107 are simultaneously provided with electric energy by the arc power supply 103 and generate arc discharge, and the two sets of cathode targets 107 can respectively adopt different target materials, and the plasma particles generated by different target materials contain different components, and the particles with different components simultaneously move to the surface of the milling cutter under the action of the electric field and deposit, for example, the plasma particles generated by one set of cathode targets 107 contain substances for forming a bottom coating, and the plasma particles generated by the other set of cathode targets 107 contain substances for forming an upper coating, and the different particles are deposited on the surface of the milling cutter at the same time and in the same electric field environment, so that the synchronous deposition of the multi-layer coating is realized.

[0036] In summary, the coating equipment can realize the synchronous deposition of the multi-layer coating of the milling cutter, and the synchronous deposition can make the interface between the multi-layer coating more compact, reduce the defects and pores between the layers, and help to improve the overall quality of the coating, and through the synchronous clamping function of the clamping plate 203, the milling cutter can be clamped in the center of the cylindrical 1 coating chamber, and the coating thickness of different regions of the milling cutter surface can be more uniform.

[0037] The parts not involved in the utility model are the same as or can be realized by the prior art. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A coating apparatus for simultaneous deposition of multilayer coatings, characterized in that, include: A cylindrical tube (1) is provided with an electric push rod (104) fixedly installed on the lower inner surface of the cylindrical tube (1). An mounting plate (105) is fixedly installed on the upper surface of the piston rod of the electric push rod (104). A clamping mechanism (2) is fixedly installed on the upper surface of the mounting plate (105). The clamping mechanism (2) can clamp the milling cutter and push it up and down inside the cylindrical tube (1) by the push of the electric push rod (104). An arc power source (103) is fixedly installed on the upper surface of the cylinder (1). Two sets of cathode targets (107) and additional anodes (108) are fixedly installed at both ends of the upper half of the cylinder (1). The cathode targets (107) and additional anodes (108) are opposite to each other. The arc power source (103) can provide electrical energy to the two sets of cathode targets (107), so that arc discharge phenomenon is generated on the surface of the cathode targets (107), and an electric field environment is formed by cooperation with the additional anodes (108). The clamping mechanism (2) includes a connecting block (201), a guide groove (207) is provided in the connecting block (201), two sets of guide blocks (202) are slidably installed in the guide groove (207), and clamping plates (203) are fixedly installed on the upper surfaces of the two sets of guide blocks (202). The opposite sides of the two sets of clamping plates (203) are respectively provided with horizontal and vertical clamping grooves; transmission blocks (204) are fixedly installed on the lower surfaces of the two sets of guide blocks (202), and the two sets of transmission blocks (204) are threadedly installed on the outer surface of the threaded rod (205). The threads on the left and right sides of the outer surface of the threaded rod (205) are respectively forward and reverse, so that the threaded rod (205) can drive the two sets of guide blocks (202) to slide and clamp towards the center or slide and expand outward simultaneously.

2. The coating equipment for simultaneous deposition of multilayer coatings according to claim 1, characterized in that: Both the upper and lower ends of the outer surface of the cylinder (1) are fixedly installed with U-shaped rings (101), and the two sets of U-shaped rings (101) are sealed with a closing cover (102) for rotation.

3. The coating equipment for simultaneous deposition of multilayer coatings according to claim 2, characterized in that: A connecting ring is fixedly installed on the outer surface of the mounting plate (105). An air pipe (106) is inserted inside the connecting ring of the mounting plate (105). The other end of the air pipe (106) passes through the lower surface of the cylinder (1) to the outer surface to supply air and connect to the air supply equipment.

4. A coating apparatus for simultaneous deposition of multilayer coatings according to any one of claims 1-3, characterized in that: Both ends of the threaded rod (205) are fixedly installed with a handle (206).

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