Cutting machine tool for metal casting machining

Abstract

The invention discloses a cutting machine tool for metal casting machining, and relates to the technical field of cutting machine tools. A clamping and positioning barrel is fixed to the top of a lifting seat, a spraying flow channel is formed in the clamping and positioning barrel, self-supplementing water pipes located on the two sides of the clamping and positioning barrel are fixed to the top of the lifting seat and communicate with the spraying flow channel, and a self-resetting water pressing part coaxial with the self-supplementing water pipes is arranged above the self-supplementing water pipes; the self-resetting water pressing part is used for pressing cooling water in the self-supplementing water pipe into the spraying flow channel, a spraying part matched with the spraying flow channel is installed on the inner side of the lifting cutting water filtering box, a rotary cutter head is arranged on the inner side of the lifting cutting water filtering box, and a cutting knife is fixedly installed at the bottom of the rotary cutter head. By spraying water, the cutting tool and the metal casting can be cooled in the cutting process, and metal chips attached to the cutting part of the metal casting can be washed down, so that the cutting machining quality of the end part of the metal casting can be ensured.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of cutting machine tools, and particularly relates to a cutting machine tool for metal casting machining. BACKGROUND

[0002] A method for casting liquid metal into a casting cavity adapted to the shape of a part to obtain the part or a blank after cooling and solidification is called casting, and the obtained casting is called a metal casting, which is widely used in industrial production. The metal casting needs to be further processed after casting to meet different needs of the metal casting, and the metal casting cutting is one of the subsequent processing procedures of the casting.

[0003] In the process of cutting the shaft-shaped casting by the disc cutter, the high-speed rotating disc cutter contacts the shaft-shaped casting, and the metal chips generated by cutting are mostly separated from the shaft-shaped casting in the form of spraying. The existing cutting equipment lacks a specific chip collection structure, which easily causes the metal chips to fly everywhere and increases the subsequent cleaning workload. At the same time, the existing cutting machine tool can only complete single casting cutting processing, and the casting must be removed and clamped and fixed again after cutting to continue cutting processing, which cannot realize batch cutting processing of the casting, and further greatly reduces the casting cutting processing efficiency. SUMMARY

[0004] The application aims to provide a cutting machine tool for metal casting machining, which solves the problem that the existing cutting equipment cannot realize batch cutting processing of the casting and further greatly reduces the casting cutting processing efficiency through the specific structural design of the casting positioning mechanism, the cutting control mechanism and the water cooling mechanism.

[0005] To solve the above technical problems, the present application is realized by the following technical scheme: the present application is a cutting machine for metal casting processing, comprising a casting positioning mechanism and a cutting control mechanism, the cutting control mechanism is arranged above the casting positioning mechanism; the casting positioning mechanism comprises a casting positioning assembly; wherein the casting positioning assembly comprises a lifting seat, a clamping positioning cylinder is fixed on the top of the lifting seat, a spraying flow channel is arranged on the clamping positioning cylinder, a self-supplying water pipe is fixed on the top of the lifting seat and located on both sides of the clamping positioning cylinder, the self-supplying water pipe is in communication with the spraying flow channel, a self-resetting water pressure part is arranged above the self-supplying water pipe and coaxial with the self-supplying water pipe, the self-resetting water pressure part is used for pressing the cooling water in the self-supplying water pipe into the spraying flow channel; the cutting control mechanism comprises a lifting cutting filter water tank, a spraying part adapted to the spraying flow channel is installed on the inner side of the lifting cutting filter water tank, a rotary cutter head is arranged on the inner side of the lifting cutting filter water tank, and a cutting tool is fixedly installed on the bottom of the rotary cutter head; in the process of cutting the top of the metal casting by rotating the cutting tool, the cutting is completed by feeding the metal casting on the lifting seat upwards, and the cooling water enters the spraying part through the spraying flow channel to spray the cutting tool and the metal casting.

[0006] In this embodiment of the present application, the casting positioning mechanism further comprises a lifting guide assembly; wherein the lifting guide assembly comprises two vertical guide plates arranged symmetrically, a vertical limiting part and a limiting through hole are arranged on each vertical guide plate respectively, and the lifting seat is slidingly arranged between the two vertical limiting parts.

[0007] In this embodiment of the present application, two flow guide cavities are symmetrically arranged in the wall of the clamping positioning cylinder, the self-supplying water pipe is in communication with the corresponding flow guide cavity through a horizontal flow guide pipe, a hollow flow guide ring in communication with the two flow guide cavities is installed on the circumferential surface of the clamping positioning cylinder, an L-shaped flow guide pipe is arranged in communication on the circumferential surface of the hollow flow guide ring, and the spraying flow channel is composed of the horizontal flow guide pipe, the flow guide cavity, the hollow flow guide ring and the L-shaped flow guide pipe.

[0008] In this embodiment of the present application, two support frames one are symmetrically fixed on the top of the lifting seat, the support frames one slidingly penetrate through the corresponding limiting through holes, and a lifting guide part fixed with the support frames one is arranged on the side of the vertical guide plate away from the vertical limiting part; the self-resetting water pressure part is composed of a water pressure rod, a water pressure piston and an elastic part one, the water pressure piston is fixed on the bottom of the water pressure rod and close to the top opening of the self-supplying water pipe, and the elastic part one is fixed on the bottom of the connecting disc on the top of the water pressure rod.

[0009] In the embodiment of the present application, the clamping positioning cylinder is provided with a plurality of clamping parts, the hollow air pressure box is symmetrically arranged, the vertical guide plate is fixed with a support frame two on the side close to the vertical limiting part, the support frame two is fixedly connected with the hollow air pressure box at the corresponding position, the hollow air pressure boxes between each group of clamping parts are connected through a fixed plate, the water pressure rod top is slidably penetrated through the support frame two, and the elastic member one is fixed at the top of the support frame two.

[0010] In the embodiment of the present application, the hollow air pressure box is internally slidably provided with a piston plate, the piston plate is fixed with a radial movement rod slidably extending to the inside of the clamping positioning cylinder, the inside of the clamping positioning cylinder is provided with an arc-shaped clamping part fixed with the radial movement rod, the inside of the hollow air pressure box is provided with an elastic member two connected with the piston plate, and the inside bottom of the clamping positioning cylinder is provided with a casting positioning groove coaxial with the clamping positioning cylinder.

[0011] In the embodiment of the present application, the lifting cutting filter tank is internally fixed with a chip guide cone, the bottom of the lifting cutting filter tank is provided with a casting port coaxial with the chip guide cone, the top of the lifting cutting filter tank is provided with a cutting motor, the rotary cutter head is connected with the output shaft of the cutting motor, the spraying part comprises a plurality of porous spraying members mounted on the inner wall of the lifting cutting filter tank, one side of the porous spraying member is provided with a spraying water inlet pipe, and one end of the spraying water inlet pipe penetrates the lifting cutting filter tank.

[0012] In the embodiment of the present application, the present application further comprises a conveying guide rail, a bearing frame is slidably arranged on the conveying guide rail, a lifting cylinder connected with the lifting cutting filter tank is mounted on the inside of the bearing frame, a guide channel is formed in the bearing frame, support seats are fixed on the opposite sides of the lifting cutting filter tank, the support seats are slidably connected with the guide channel, and vertical blocking rods are fixed on the opposite sides of the lifting cutting filter tank.

[0013] In this embodiment of the present application, the present application also comprises a water cooling mechanism; wherein the water cooling mechanism comprises a water cooling box, the opposite sides of the water cooling box are fixed with limiting rails, the limiting rails are slidably connected with inclined surface moving seats, the opposite sides of the water cooling box are rotatably provided with power screws, the inclined surface moving seats are sleeved on the power screws and are threadedly connected with the power screws, chain wheels are fixedly installed at the ends of the power screws, and the chain wheels are connected through a transmission chain; a power motor is installed on one side of the water cooling box, the output end of the power motor is connected with a corresponding power screw, a gas supply device is installed on the other side of the water cooling box, the gas outlet of the gas supply device is connected with a gas supply pipeline, the gas supply pipeline is in three-way communication with each gas guide pipe above it, a plurality of sets of positioning plates are fixedly installed at the bottom of the water cooling box, positioning cavities are arranged between each set of the positioning plates, and the casting positioning mechanism is installed inside the positioning cavities.

[0014] The present application has the following advantages: 1. In the present application, when the rotary cutter controlled by the cutting motor rotates rapidly, each cutting tool on the rotary cutter can be driven to move in a circular direction. In the cutting process, the cooling water sprayed by the multi-hole spray member can be used for cutting the cutting tools and the cutting position of the metal casting at the set position. The metal scraps cut off can be collected in the lifting cutting filter tank. The metal scraps and the cooling water generated during high-speed rotation are limited inside the lifting cutting filter tank by the inner wall of the tank. The metal scraps stay inside the tank, while the cooling water flows out through the filter screen at the bottom of the tank to complete the backflow. The sprayed water can not only cool the cutting tools and the metal casting during the cutting process, but also flush the metal scraps attached to the cutting position of the metal casting. In this way, the influence of the attached metal scraps on the cutting process can be avoided, so as to ensure the cutting quality of the end part of the metal casting.

[0015] 2. In the present application, when the inclined surface moving seat is moved from one position to another position by the power screw, the bottom of the lifting guide is gradually pressed and moved upwards along the inclined surface of the inclined surface moving seat during the process, until the bottom of the lifting guide slides to the horizontal plane at the top of the inclined surface moving seat. At this time, the entire casting positioning assembly is lifted to the set position. During this process, the upward feeding action and the cutting action of the metal casting are realized. After the cutting process of the metal casting at one position is completed, the entire casting positioning assembly at the cutting position is moved downward to complete the reset under the action of the gravity, while the casting positioning assembly at the position is pressed and moved upwards to the set position by the inclined surface moving seat. In this way, the automatic cutting process of the metal casting at each position can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the following embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0017] Figure 1 The structural schematic diagram of the cutting machine tool for processing metal castings in the present application.

[0018] Figure 2 The internal structure diagram of the cutting machine tool for processing metal castings in the present application.

[0019] Figure 3 The partial structural schematic diagram of Figure 1 .

[0020] Figure 4 The structural schematic diagram of the casting positioning mechanism in the present application.

[0021] Figure 5 The structural schematic diagram of the casting positioning assembly in the present application.

[0022] Figure 6 The structural top view of Figure 5 .

[0023] Figure 7 The structural sectional view of Figure 6 .

[0024] Figure 8 The structural schematic diagram of the cutting control mechanism in the present application.

[0025] Figure 9 The structural sectional view of Figure 8 .

[0026] Figure 10 The structural schematic diagram of the water cooling mechanism in the present application.

[0027] Figure 11 The structural sectional view of Figure 10 .

[0028] In the drawings, the component list represented by each reference sign is as follows: 1-cast positioning mechanism, 2-cutting control mechanism, 201-lifting cutting filter tank, 202-rotary cutter head, 203-cutting knife, 204-chip guide cone, 205-cutting motor, 206-porous spray, 207-spray water inlet pipe, 208-bearing frame, 209-lifting cylinder, 210-guide channel, 211-supporting seat, 212-vertical stop rod, 3-cast positioning assembly, 301-lifting seat, 302-clamping positioning cylinder, 303-self-supplying water pipe, 304-horizontal flow guide pipe, 305-hollow flow guide ring, 306-L-shaped flow guide pipe, 307-supporting frame one, 308-lifting guide, 309-water pressing rod, 310-water pressing piston, 311-elastic member one, 312-hollow air pressure tank, 313-supporting frame two, 314-piston plate, 315-radial movement rod, 316-arc-shaped clamping member, 317-elastic member two, 318-cast positioning groove, 319-air guide pipe one, 320-air guide pipe two, 321-air guide pipe three, 322-solenoid valve, 4-metal cast, 5-lifting guide assembly, 501-vertical guide plate, 502-vertical limiting member, 503-limiting through hole, 6-water cooling mechanism, 601-water cooling machine box, 602-limiting track, 603-inclined surface pushing seat, 604-power screw, 605-sprocket, 606-transmission chain, 607-power motor, 608-air supply equipment, 609-air supply pipeline, 610-positioning plate, 7-positioning cavity, 8-conveying guide rail. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0030] Specific embodiment one, please refer to Figures 1-11The application discloses a cutting machine for metal casting processing, which comprises a casting positioning mechanism 1 and a cutting control mechanism 2, wherein the cutting control mechanism 2 is arranged above the casting positioning mechanism 1; the casting positioning mechanism 1 comprises a casting positioning assembly 3; the casting positioning assembly 3 comprises a lifting seat 301, a clamping positioning cylinder 302 is fixed to the top of the lifting seat 301, a spraying flow channel is arranged on the clamping positioning cylinder 302, self-supplying water pipes 303 are fixed to the top of the lifting seat 301 and located on both sides of the clamping positioning cylinder 302, the self-supplying water pipes 303 are communicated with the spraying flow channel, a self-resetting water pressing part coaxial with the self-supplying water pipes 303 is arranged above the self-supplying water pipes 303, and the self-resetting water pressing part is used for pressing the cooling water in the self-supplying water pipes 303 into the spraying flow channel; the cutting control mechanism 2 comprises a lifting cutting water filtering tank 201, a spraying part matched with the spraying flow channel is arranged on the inner side of the lifting cutting water filtering tank 201, a rotary cutter head 202 is arranged on the inner side of the lifting cutting water filtering tank 201, and a cutting tool 203 is fixedly arranged on the bottom of the rotary cutter head 202; in the process that the cutting tool 203 rotates to cut the top of a metal casting 4, the cutting is completed by the upward feeding of the metal casting 4 on the lifting seat 301, and the cooling water enters the spraying part through the spraying flow channel to spray the cutting tool 203 and the metal casting 4.

[0031] In the embodiment of the application, as shown in Figure 4 , Figure 5 The casting positioning mechanism 1 further comprises a lifting guide assembly 5; the lifting guide assembly 5 comprises two vertical guide plates 501 which are symmetrically arranged, vertical limiting parts 502 and limiting openings 503 are arranged on the vertical guide plates 501 respectively, and the lifting seat 301 is slidingly arranged between the two vertical limiting parts 502. Two flow guide cavities are symmetrically arranged in the wall of the clamping positioning cylinder 302, the self-supplying water pipes 303 are communicated with the corresponding flow guide cavities through horizontal flow guide pipes 304, hollow flow guide rings 305 which are communicated with the two flow guide cavities are arranged on the side of the clamping positioning cylinder 302, L-shaped flow guide pipes 306 are arranged on the side of the hollow flow guide rings 305, the spraying flow channel is composed of the horizontal flow guide pipes 304, the flow guide cavities, the hollow flow guide rings 305 and the L-shaped flow guide pipes 306, in the embodiment, the self-supplying water pipes 303 on both sides of the clamping positioning cylinder 302 are always below the water surface, so that the inside of each self-supplying water pipe 303 is always filled with cooling water; when the cooling water in the self-supplying water pipe 303 is extruded, the cooling water in the self-supplying water pipe 303 enters the L-shaped flow guide pipe 306 through the horizontal flow guide pipe 304, the flow guide cavity and the hollow flow guide ring 305, and then is lifted into the spraying flow channel through the L-shaped flow guide pipe 306.

[0032] In the embodiment of the application, as shown in Figure 5 , Figure 6 , Figure 7As shown, the top of the lifting seat 301 is symmetrically fixed with two support frames one 307, the support frame one 307 is slidably penetrated through the corresponding limiting opening 503, and the side of the vertical guide plate 501 away from the vertical limiting part 502 is provided with a lifting guide 308 fixed with the support frame one 307; the self-resetting water pressing part is composed of a water pressing rod 309, a water pressing piston 310 and an elastic part one 311, the water pressing piston 310 is fixed at the bottom of the water pressing rod 309 and close to the top opening of the self-supplying water pipe 303, and the elastic part one 311 is fixed at the bottom of the connecting disc at the top of the water pressing rod 309.

[0033] Further, a plurality of clamping parts are arranged on the circumferential side of the clamping positioning cylinder 302, the clamping part includes two hollow air tanks 312 arranged symmetrically, the side of the vertical guide plate 501 close to the vertical limiting part 502 is fixed with a support frame two 313, the support frame two 313 is fixedly connected with the hollow air tank 312 at the corresponding position, the hollow air tanks 312 between each group of clamping parts are connected through a fixed plate, the water pressing rod 309 is slidably penetrated through the support frame two 313 at the top, and the elastic part one 311 is fixed at the top of the support frame two 313.

[0034] Further, the hollow air tank 312 is slidably provided with a piston plate 314 inside, the piston plate 314 is fixed with a radial moving rod 315 slidably extending to the inside of the clamping positioning cylinder 302, the inside of the clamping positioning cylinder 302 is provided with an arc-shaped clamping part 316 fixed with the radial moving rod 315, the inside of the hollow air tank 312 is provided with an elastic part two 317 connected with the piston plate 314, and the inside bottom of the clamping positioning cylinder 302 is provided with a casting positioning groove 318 coaxial with the clamping positioning cylinder 302, the casting positioning groove 318 is used for placing a metal casting 4 matched therewith; the hollow air tank 312 is communicatively provided with a gas guide pipe one 319 at one side, the gas guide pipe one 319 is communicatively provided with a gas guide pipe two 320 (the vertical section of the gas guide pipe two 320 is a telescopic structure, specifically including an outer gas pipe and an inner gas pipe sleeved in the outer gas pipe), the gas guide pipe two 320 is communicatively provided with a gas guide pipe three 321 (specifically, the gas guide pipe three 321 is fixedly connected with the outer gas pipe on the gas guide pipe two 320, so as to ensure that the gas guide pipe two 320 is always in communication with the gas guide pipe three 321), and the gas guide pipe three 321 is fixedly installed with a solenoid valve 322.

[0035] In this embodiment of the application, as shown in Figure 9As shown, the inner bottom of the lifting cutting filter water tank 201 is fixed with a chip guide cone 204, the bottom of the lifting cutting filter water tank 201 is provided with a foundry pass opening coaxial with the chip guide cone 204, the top of the lifting cutting filter water tank 201 is installed with a cutting motor 205, the rotary cutter head 202 is connected with the output shaft of the cutting motor 205, the spraying part includes a porous spraying piece 206 installed on the inner wall of the lifting cutting filter water tank 201, one side of the porous spraying piece 206 is provided with a spraying water inlet pipe 207 in communication, one end of the spraying water inlet pipe 207 penetrates through the lifting cutting filter water tank 201, when the rotary cutter head 202 is controlled to rotate quickly by the cutting motor 205, each cutting tool 203 on the rotary cutter head 202 can be driven to move in a circular direction, the cutting track of the cutting tool 203 when rotating is coaxial with the foundry pass opening, the cooling water sprayed by the porous spraying piece 206 during the cutting process can cut the cutting tool 203 and the cutting position of the metal casting 4 at the set position, the cut metal chips fall into the lifting cutting filter water tank 201 to realize effective collection, the metal chips generated during high-speed rotation and the cooling water are limited inside the lifting cutting filter water tank 201 by the inner wall of the lifting cutting filter water tank 201, the metal chips stay inside the lifting cutting filter water tank 201, and the cooling water flows out to complete the backflow through the filter screen at the bottom of the lifting cutting filter water tank 201.

[0036] When the metal casting 4 is placed inside the clamping positioning cylinder 302 and inserted into the casting positioning groove 318, the metal casting 4 is clamped and fixed by the arc-shaped clamping pieces 316 inside the clamping positioning cylinder 302, then the lifting cutting water filtering tank 201 is controlled to descend to the set position, so that the lower end of the spray water inlet pipe 207 is close to the upper end of the L-shaped flow guide pipe 306, at this time the upper end of the metal casting 4 passes through the casting opening and the chip removal cone 204 into the inner cavity of the lifting cutting water filtering tank 201 and close to the cutting knife 203, then the cutting motor 205 is controlled to drive the rotation of the cutting knives 203 on the rotating cutter 202, at the same time the entire casting positioning assembly 3 is gradually raised to realize the cutting feed action of the metal casting 4, in this process, the cooling water is pressurized by the water pressure piston 310 sliding along the self-supplying water pipe 303, the pressurized cooling water in the self-supplying water pipe 303 enters the L-shaped flow guide pipe 306 through the horizontal flow guide pipe 304, the flow guide cavity and the hollow flow guide ring 305, and then is lifted to the multi-hole spray piece 206 through the L-shaped flow guide pipe 306 and the spray water inlet pipe 207. The cooling water sprayed by the multi-hole spray piece 206 can cut and process the cutting knives 203 and the cutting position of the metal casting 4 at the set position. The spraying water can not only cool the cutting knives 203 and the metal casting 4 during cutting, but also can flush the metal chips attached to the cutting position of the metal casting 4, so as to avoid the influence of the attached metal chips on cutting, so as to ensure the cutting processing quality of the end of the metal casting 4. After the cutting processing is completed, the entire casting positioning assembly 3 is controlled to gradually descend to reset, then the lifting cutting water filtering tank 201 is controlled to ascend to the initial position, then the arc-shaped clamping pieces 316 are used to release the clamping and fixing of the metal casting 4, and the metal casting 4 after cutting processing is taken out from the inside of the clamping positioning cylinder 302 and another metal casting 4 to be processed is clamped and fixed.

[0037] In a second embodiment, based on the first embodiment, as Figure 3 and Figure 8As shown, the present application also comprises a conveying rail 8, a bearing frame 208 is sleeved and slid on the conveying rail 8, the conveying rail 8 is installed on the rack, and the conveying rail 8 belongs to one of the power system components on the machine tool (which is the prior art), and the reciprocating movement of the cutting control mechanism 2 on the conveying rail 8 is the prior art, for example, a motor is installed on the bearing frame 208 for driving the gear to rotate, a walking gear holder that is in transmission with the gear is fixed on the top of the conveying rail 8, a lifting cylinder 209 that is connected with the lifting cutting filter water tank 201 is installed on the inner side of the bearing frame 208, a guide channel 210 is formed on the bearing frame 208, a supporting seat 211 is fixed on the opposite sides of the lifting cutting filter water tank 201, the supporting seat 211 is in sliding connection with the guide channel 210, a vertical stop rod 212 is fixed on the opposite sides of the lifting cutting filter water tank 201, when the lifting cutting filter water tank 201 is controlled to be lowered to the set position by the lifting cylinder 209, the lower end of the spray inlet pipe 207 is close to the upper end of the L-shaped flow guide pipe 306, at this time, the upper end of the metal casting 4 passes through the casting opening and the chip removal cone 204 and enters the inner cavity of the lifting cutting filter water tank 201 and is close to the cutting tool 203, the bottom of the vertical stop rod 212 is just abutted on the connecting disc on the top of the water pressing rod 309, during the gradual lifting process of the whole casting positioning assembly 3 while cutting, the water pressing piston 310 gradually enters the self-supplying water pipe 303 and pressurizes the cooling water, and each elastic member 311 is gradually compressed.

[0038] In the embodiment of the present application, as Figure 10 and Figure 11As shown, the present application also comprises a water cooling mechanism 6; wherein the water cooling mechanism 6 comprises a water cooling box 601 (the vertical guide plate 501 is connected with the water cooling box 601 through fasteners), the water cooling box 601 is fixed with a limiting rail 602 on opposite sides, the limiting rail 602 is slidingly connected with a bevel moving seat 603 (the bottom of the lifting guide 308 in the initial state is abutted against the bottom of the bevel of the bevel moving seat 603, at this time the casting positioning assembly 3 at this position is in the initial position), the water cooling box 601 is rotatably provided with a power screw 604 on opposite sides, the bevel moving seat 603 is sleeved on the power screw 604 and threadedly cooperates with the power screw 604, the power screw 604 is fixedly installed with a sprocket 605 at the end, the two sprockets 605 are connected through a transmission chain 606, synchronous rotation of the power screws 604 on both sides can be realized through the common action of the sprockets 605 and the transmission chain 606, and then synchronous movement of the bevel moving seats 603 on both sides is driven, when the bevel moving seat 603 is controlled by the power screw 604 to move from one position to another position, in this process, the bottom of the lifting guide 308 is extruded by the bevel of the bevel moving seat 603, so that it gradually slides upward along the bevel of the bevel moving seat 603, until the bottom of the lifting guide 308 slides to the horizontal plane at the top of the bevel moving seat 603, at this time the whole casting positioning assembly 3 is lifted to the set position, in this process, the upward feeding action and the cutting action of the metal casting 4 are realized, after the cutting processing of the metal casting 4 at one position is completed, the bevel moving seat 603 is controlled by the power screw 604 to move from one position to another position, the whole casting positioning assembly 3 at the cutting processing position moves downward to complete reset under the action of gravity, while the casting positioning assembly 3 at this position is extruded by the bevel moving seat 603 and moves upward to the set position, so that the automatic cutting processing of the metal casting 4 at each position can be realized, the above automatic control process can be completed through the program set by the controller; The water cooling machine box 601 is provided with a power motor 607 on one side, the output end of the power motor 607 is connected with the corresponding power screw 604, the water cooling machine box 601 is provided with a gas supply device 608 on the other side (the gas supply device 608 has a gas supply and pressure relief function, which belongs to the prior art, so it is not described in detail here), the gas outlet of the gas supply device 608 is connected with a gas supply pipeline 609, the gas supply pipeline 609 is in communication with each gas guide pipe three 321 above it, when the metal casting 4 is placed into the clamping and positioning cylinder 302 and inserted into the casting positioning groove 318, the electromagnetic valve 322 is controlled to be opened and air is transported into the gas guide pipe three 321 through the gas supply device 608 and the gas supply pipeline 609, the air in the gas guide pipe three 321 enters the inner cavity of the hollow air tank 312 along the gas guide pipe two 320 and each gas guide pipe one 319, the piston plate 314 is pushed by the increased air pressure in the inner cavity of the hollow air tank 312, the piston plate 314 moves to compress the elastic member two 317 and the arc-shaped clamping piece 316 gradually approaches the metal casting 4, until each arc-shaped clamping piece 316 tightly presses on the metal casting 4 to realize clamping and fixing of the metal casting 4, then the electromagnetic valve 322 and the gas supply device 608 are controlled to be closed, after the cutting is completed, the inner cavity of the hollow air tank 312 is depressurized by controlling the gas supply device 608 and the electromagnetic valve 322 to be opened, so that the clamping and fixing of the metal casting 4 by each arc-shaped clamping piece 316 is released, a plurality of sets of positioning plates 610 are fixedly installed in the inner bottom of the water cooling machine box 601, a positioning cavity 7 is arranged between each set of positioning plates 610, and the casting positioning mechanism 1 is installed in the inner positioning cavity 7.

[0039] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details and limit the application to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of the present specification. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited only by the claims and their entire scope and equivalents.

Claims

1. A cutting machine tool for machining metal castings, characterized in that, It includes a casting positioning mechanism (1) and a cutting control mechanism (2), wherein the cutting control mechanism (2) is disposed above the casting positioning mechanism (1); The casting positioning mechanism (1) includes a casting positioning component (3); wherein the casting positioning component (3) includes a lifting seat (301), a clamping positioning cylinder (302) is fixed on the top of the lifting seat (301), a spray channel is provided on the clamping positioning cylinder (302), a self-replenishing water pipe (303) located on both sides of the clamping positioning cylinder (302) is fixed on the top of the lifting seat (301), the self-replenishing water pipe (303) is connected to the spray channel, and a self-resetting water-pressing part is provided above the self-replenishing water pipe (303) and is coaxial with it. The self-resetting water-pressing part is used to press the cooling water in the self-replenishing water pipe (303) into the spray channel; The cutting control mechanism (2) includes a lifting cutting water filter tank (201). A spray section adapted to the spray flow channel is installed inside the lifting cutting water filter tank (201). A rotating cutter disc (202) is provided inside the lifting cutting water filter tank (201). A cutting cutter (203) is fixedly installed at the bottom of the rotating cutter disc (202). During the cutting process of the cutting cutter (203) rotating to cut the top of the metal casting (4), the cutting is completed by the metal casting (4) rising and feeding on the lifting seat (301). Cooling water enters the spray section along the spray flow channel to spray cooling water on the cutting cutter (203) and the metal casting (4).

2. A cutting machine tool for machining metal castings according to claim 1, characterized in that, The casting positioning mechanism (1) further includes a lifting guide assembly (5); wherein the lifting guide assembly (5) includes two vertical guide plates (501) arranged symmetrically, and vertical limiters (502) and limit openings (503) are respectively provided on the vertical guide plates (501), and the lifting seat (301) is slidably arranged between the two vertical limiters (502).

3. A cutting machine tool for machining metal castings according to claim 2, characterized in that, The clamping and positioning cylinder (302) has two symmetrically arranged flow guiding cavities inside its wall. The self-replenishing water pipe (303) is connected to the corresponding flow guiding cavity through a horizontal flow guiding pipe (304). A hollow flow guiding ring (305) connected to the two flow guiding cavities is installed on the periphery of the clamping and positioning cylinder (302). An L-shaped flow guiding pipe (306) is connected to the periphery of the hollow flow guiding ring (305). The spray channel is composed of a horizontal flow guiding pipe (304), flow guiding cavities, a hollow flow guiding ring (305), and an L-shaped flow guiding pipe (306).

4. A cutting machine tool for machining metal castings according to claim 3, characterized in that, The top of the lifting seat (301) is symmetrically fixed with two support frames (307), which slide through the corresponding limiting opening (503). The vertical guide plate (501) is provided with a lifting guide (308) fixed to the support frame (307) on the side away from the vertical limiting member (502). The self-resetting water pressing part is composed of a water pressing rod (309), a water pressing piston (310) and an elastic member (311). The water pressing piston (310) is fixed at the bottom of the water pressing rod (309) and close to the top opening of the self-replenishing water pipe (303). The elastic member (311) is fixed at the bottom of the connecting plate at the top of the water pressing rod (309).

5. A cutting machine tool for machining metal castings according to claim 4, characterized in that, The clamping positioning cylinder (302) is provided with multiple clamping parts around its periphery. Each clamping part includes two symmetrically arranged medium air pressure boxes (312). A support frame two (313) is fixed on the side of the vertical guide plate (501) near the vertical limiting member (502). The support frame two (313) is fixedly connected to the medium air pressure box (312) at the corresponding position. The medium air pressure boxes (312) between each set of clamping parts are connected by a fixing plate. The top of the water pressure rod (309) slides through the support frame two (313). The elastic member one (311) is fixed on the top of the support frame two (313).

6. A cutting machine tool for machining metal castings according to claim 5, characterized in that, A piston plate (314) is slidably disposed inside the air compressor box (312). A radial moving rod (315) is fixed on one side of the piston plate (314) and extends slidably to the inside of the clamping positioning cylinder (302). An arc-shaped clamping member (316) fixed to the radial moving rod (315) is disposed inside the clamping positioning cylinder (302). An elastic member (317) connected to the piston plate (314) is disposed inside the air compressor box (312). A casting positioning groove (318) coaxial with the bottom of the clamping positioning cylinder (302) is disposed inside the cylinder. The air compressor box (312) is connected to one side of an air guide pipe (319), and the end of the air guide pipe (319) is connected to an air guide pipe (320). The two air guide pipes (320) are connected to an air guide pipe (321), and a solenoid valve (322) is fixedly installed on the air guide pipe (321).

7. A cutting machine tool for machining metal castings according to claim 6, characterized in that, The bottom of the lifting cutting water filter box (201) is fixed with a chip guide cone (204). The bottom of the lifting cutting water filter box (201) is provided with a casting opening coaxial with the chip guide cone (204). A cutting motor (205) is installed on the top of the lifting cutting water filter box (201). The rotating cutter head (202) is connected to the output shaft of the cutting motor (205). The spraying part includes a porous spraying element (206) installed on the inner wall of the lifting cutting water filter box (201). A spraying water inlet pipe (207) is connected to one side of the porous spraying element (206). One end of the spraying water inlet pipe (207) passes through the lifting cutting water filter box (201).

8. A cutting machine tool for machining metal castings according to claim 7, characterized in that, It also includes a conveying guide rail (8), on which a support frame (208) is slidably mounted. A lifting cylinder (209) connected to the lifting cutting water filter box (201) is installed on the inner side of the support frame (208). A guide channel (210) is opened on the support frame (208). Support seats (211) are fixed on both sides of the lifting cutting water filter box (201). The support seats (211) are slidably connected to the guide channel (210). Vertical stops (212) are fixed on both sides of the lifting cutting water filter box (201).

9. A cutting machine tool for machining metal castings according to claim 8, characterized in that, It also includes a water cooling mechanism (6); wherein the water cooling mechanism (6) includes a water cooling housing (601), the water cooling housing (601) has a limit rail (602) fixed on both sides, the limit rail (602) is slidably connected to an inclined sliding seat (603), the water cooling housing (601) is rotatably provided with a power screw (604) on both sides, the inclined sliding seat (603) is sleeved on the power screw (604) and the two are threaded together, the power screw (604) is fixedly installed with a sprocket (605) at the end, and the two sprockets (605) are connected by a transmission chain (606); A power motor (607) is installed on one side of the water-cooled chassis (601). The output end of the power motor (607) is connected to the corresponding power screw (604). An air supply device (608) is installed on the other side of the water-cooled chassis (601). The air outlet of the air supply device (608) is connected to an air supply pipe (609). The air supply pipe (609) is connected to each of the air guide pipes (321) above it. Several sets of positioning plates (610) are fixedly installed at the bottom inside the water-cooled chassis (601). A positioning cavity (7) is provided between each set of positioning plates (610). The casting positioning mechanism (1) is installed inside the positioning cavity (7).

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