Automatic valve element production line and machining method

Abstract

The invention discloses an automatic valve element production line and a machining method, and relates to the technical field of valve element machining, the automatic valve element production line comprises a plurality of machining centers arranged on the ground, a first workbench, a second workbench and a third workbench are arranged on the same sides of the machining centers, and mechanical arms are arranged on the same sides of the workbenches; fixing assemblies are arranged on the first workbench and the third workbench, a plurality of valve element blanks are placed on the fixing assembly on the first workbench, a first positioning assembly is arranged on one side of the fixing assembly on the first workbench, a conveying assembly is arranged at the interval position between the workbench stations, and a second positioning assembly is arranged on the conveying assembly. The machined valve element is placed on a fixing assembly on the third workbench. The positioning hole in the valve element is firstly machined through the machining center on one side of the workbench, so that the valve element can be better positioned during subsequent machining, meanwhile, the loss caused by machining the positioning hole after the valve element is machined is reduced, the cost is saved, and the machining efficiency of the valve element is improved.

Description

Technical Field

[0001] The present application relates to the technical field of valve core processing, and in particular to an automatic valve core production line and a processing method. Background Art

[0002] The valve core is the valve part that the valve body uses its movement to achieve the basic functions of directional control, pressure control or flow control.

[0003] The valve core is usually cast in a mold as a blank, and then the blank is processed into the valve core. Since the individual valve cores are small and there are many of them, the surface of the valve core blank is usually processed and formed, the spherical surface of the valve core is processed, and then the valve core is transferred to other equipment for processing of the positioning hole.

[0004] With respect to the above-mentioned related technologies, the inventors believe that the valve core processing procedure is relatively long, and the positioning hole is processed after other positions of the valve core are processed, which makes the processing accuracy of the positioning hole on the valve core unstable. Summary of the invention

[0005] The purpose of the present application is to provide a valve core automatic production line and processing method to improve the problem that the valve core processing process is long and the positioning hole processing accuracy on the valve core is unstable.

[0006] The present application provides a valve core automatic production line, which adopts the following technical solution: A valve core automatic production line includes several machining centers arranged on the ground, wherein workbench 1, workbench 2, and workbench 3 are arranged on the same side of the machining centers, and a robotic arm is arranged on the same side of the workbench 1, workbench 2, and workbench 3, and a fixing component is arranged on one side of the workbench 1 and one side of the workbench 3 respectively; the fixing component corresponds to the robotic arm, and several valve core blanks are placed on the fixing component on the workbench 1, and the robotic arm clamps the valve core blanks and sends them into the machining center for processing, and a positioning component 1 for positioning the valve core blank is arranged on one side of the fixing component on the workbench 1, and a conveying component is arranged between the workbench 1 and the workbench 2, and between the workbench 2 and the workbench 3, and a positioning component 2 for receiving and fixing the valve core blank is arranged on the conveying component, and the fixed component on the workbench 3 is used to place the processed valve core.

[0007] By adopting the above technical solution, the valve core blank is placed on the fixed component of the workbench one, the valve core blank on the fixed component is lifted by the mechanical arm of the workbench one, and the valve core blank is placed in the machining center, and the valve core blank is roughly machined and the positioning hole is machined to facilitate the positioning of the valve core blank in subsequent processing; after the valve body blank is machined, it is taken out by the mechanical arm and placed on the conveying component to the position of the workbench two, and is subsequently processed by the mechanical arms of the workbench two and the workbench three; then the mechanical arm of the workbench three takes the processed valve core out of the machining center and places it in the workbench On the fixed component of workbench three, the processing procedure of the valve core is shortened and the processing quality of the product is stable; the mechanical arm is provided with vertical clamps and horizontal clamps, which are convenient for vertically clamping the valve core blank and sending it into the positioning component one for positioning and vertically placing it in the fixed component of workbench three, and the valve core blank can be horizontally placed on the positioning component two of the conveying component through the horizontal clamp; the positioning hole of the valve core blank is processed in advance by the machining center on one side of the workbench, which is convenient for the positioning of the valve core blank in subsequent machining, reduces the machining cost of machining the positioning hole after the valve core machining is completed, and improves the machining efficiency of the valve core.

[0008] Optionally, the fixing assembly includes a fixing plate 1, a fixing plate 2 is arranged above the fixing plate 1, a vertical rod 1 is arranged between the fixing plate 1 and the fixing plate 2, the vertical rod 1 supports the fixing plate 2, and fixing grooves corresponding to the valve core blank are provided on the fixing plate 1 and the fixing plate 2, and a support frame 1 connected to the workbench 1 and the workbench 3 is arranged below the fixing plate 1, and one side of the support frame 1 is connected to the positioning assembly 1.

[0009] By adopting the above technical scheme, the valve core blank is placed on the fixed plate one and the fixed plate two, and the positioning plate two is supported by the vertical rod two arranged on the fixed plate one, so that a larger gap is formed between the positioning plate one and the positioning plate two, which is convenient for supporting the valve core blank and preventing the valve core blank from falling from the fixed plate, and at the same time, the coolant on the surface of the processed valve core placed on the fixed plate one and the fixed plate two on the workbench three can be quickly dried; the valve core blank is fixed by the fixing groove opened on the fixing plate to prevent the valve core blank placed on the fixing plate from deviating, and the side wall of the fixing groove is chamfered to facilitate the placement of the valve core blank.

[0010] Optionally, the positioning component 1 includes a support frame 2 arranged on a side wall of the support frame, a positioning plate is arranged above the support frame 2, the positioning plate is provided with a positioning groove 1, the inner wall of the positioning groove 1 is in contact with the outer wall of the valve core blank, and the support frame 2 is located at one end of the positioning plate and is provided with a clamping claw driving component 1 for clamping and fixing the valve core blank.

[0011] By adopting the above technical scheme, the robotic arm of the workbench 1 clamps the valve core blank from the fixed plate and places it vertically on the positioning plate, so that the valve core blank fits against the inner wall of the positioning groove 1 opened on the positioning plate, and the valve core blank is positioned; the valve core blank is clamped by a clamping jaw driving member 1 arranged on the support seat, and the positioning of the valve core blank is fine-tuned by the robotic arm and the clamping jaw driving member 1, so as to reduce the error of processing after the valve core blank is fixed on the machine tool, and improve the processing accuracy of the positioning hole on the valve core.

[0012] Optionally, a second vertical rod is arranged above the positioning plate, a positioning block is arranged above the second vertical rod, the positioning block is provided with a second positioning groove corresponding to the first positioning groove, the inner side wall of the second positioning groove corresponds to the outer side wall of the cylindrical rod below the spherical surface of the valve core blank, and the positioning block contacts the outer side wall below the spherical surface of the valve core blank.

[0013] By adopting the above technical solution, the second vertical rod and the positioning block arranged on the positioning plate support the valve core blank through the second positioning groove on the positioning block corresponding to the cylindrical side wall of the end of the valve core blank, thereby reducing the possibility of the valve core blank deviating from the positioning plate and falling off. The side wall position of the second positioning groove is chamfered to facilitate the vertical placement of the valve core blank.

[0014] Optionally, the conveying assembly includes a frame, which is located between two adjacent robotic arms, and the frame is provided with a guide rail arranged along the length direction of the frame, and the guide rail is provided with a fixed seat, and the frame is provided with a driving component 2 connected to the fixed seat to drive the fixed seat to reciprocate on the guide rail, and the fixed seat is connected to the positioning component 2, and the positioning component 2 is used to place the valve core blank processed by the machining center.

[0015] By adopting the above technical solution, a guide rail is set on the frame between the workbenches of the two robotic arms. After the robotic arm places the processed valve core blank on the fixed seat, the driving component 2 drives the fixed seat to move to the vicinity of the next workbench on the guide rail. The robotic arm of the next workbench clamps the blank from the positioning component 2 and sends it to the machining center for fixation and processing. After the processing on the previous machine tool is completed, the blank is directly sent to the next machining center by the robotic arm and the conveying component for processing, thereby improving the automatic processing efficiency of the valve core blank.

[0016] Optionally, the second positioning component includes a positioning frame arranged above the fixed seat, the positioning frame is provided with positioning grooves three corresponding to the cylindrical side walls at both ends of the valve core blank, and a positioning rod connected to the fixed seat is provided on one side of the positioning frame, and the outer wall of the positioning rod is in contact with the inner wall of the positioning hole opened on the valve core blank.

[0017] By adopting the above technical scheme, the valve core blank placed horizontally by the robot arm is supported by the positioning frame arranged on the fixed seat, and the position of the valve core blank is restricted by three pairs of positioning grooves opened on the positioning frame, so that the spherical part of the valve core blank is suspended in the air, thereby reducing the wear on the processed part of the spherical surface of the valve core blank; the positioning rod is used to fit the inner wall of the positioning hole opened on the valve core blank, so as to further position the valve core blank, thereby preventing the valve core blank from detaching from the fixed seat and affecting the subsequent processing of the valve core blank.

[0018] Optionally, travel switches corresponding to the fixed seat are provided at both ends of the frame, the travel switches correspond to the side walls of the fixed seat, push rods abutting against the side walls of the fixed seat are provided at both ends of the frame, an elastic part is provided between the push rod and the frame, and sensing parts are provided on both sides of the frame, and the sensing parts correspond to the valve core blank placed on the positioning frame on the fixed seat.

[0019] By adopting the above technical scheme, the push rods arranged at both ends of the frame are abutted against the fixed seat, and the elastic parts arranged between the push rods and the frame are used to buffer the fixed seat to prevent the fixed seat from colliding with the side walls at both ends of the frame, so that the valve core blank on the fixed seat is separated from the fixed seat; the travel switches are arranged at both ends of the frame to determine the moving position of the fixed seat, and after the fixed seat and the push rod are abutted, the mechanical arm is turned to the fixed seat to prepare to clamp the valve core blank; the sensing parts are arranged at positions close to the ends on both sides of the frame, and the valve core blank placed on the fixed frame is detected by the sensing parts to determine whether the valve core blank is placed on the fixed seat, so that the mechanical arm can accurately clamp the processed valve core blank on the positioning frame, reducing the possibility of the mechanical arm clamping in the air on the positioning frame.

[0020] Optionally, the fixed plate two is provided with a plurality of baffle rods located around the fixed groove, the baffle rods are abutted against the side walls of the valve core blank, the edge positions of the fixed plate one and the fixed plate two are provided with grooves, the side wall of the support frame one on the workbench three is also provided with the positioning frame, the positioning rods arranged on the side of the positioning frame away from the machining center are fitted with the positioning holes of the valve core blank, the robotic arm clamps the processed valve core blank from the fixed seat at one end of the workbench three, and then sends it to the machining center for processing after exchanging the position of the positioning frame at the position of the workbench three.

[0021] By adopting the above technical scheme, a baffle rod is arranged on the fixed plate two on the workbench one, and the baffle rod is used to contact the side walls of the valve core blank placed in the fixed grooves on the fixed plates one and two to prevent the valve core blank from rotating on the fixed plates, so that the position of the valve core blank clamped by the robot arm is relatively consistent, which is convenient for processing after the valve core blank is fixed on the machine tool; through the grooves provided in the fixed plates one and two, when the robot arm of the workbench three places the processed valve core on the fixed plate, the cutting fluid on the processed valve core flows on the fixed plate to the grooves, draws the cutting fluid away, and speeds up the air drying of the valve core; through the positioning frame and positioning rod arranged at the position of the workbench three, the robot arm on the workbench three places the processed valve core blank from the fixed seat on the positioning frame of the workbench three, and adjusts the position of the valve core blank clamped by the robot arm, so as to facilitate processing in the machining center on the side of the workbench three.

[0022] A processing method for a valve core automatic production line comprises the following steps: Workers place the valve core blanks in batches on the fixed assembly on the workbench 1 to fix the valve core blanks; Start the mechanical arm on the workbench 1, clamp and take out the valve core blank on the fixed component, place it on the positioning component 1 on the side of the workbench 1 for positioning fine adjustment, and then send it to the machining center on the side of the workbench to complete the rough machining of the valve core blank and the machining of the positioning hole; After the rough processing of the valve core blank is completed, the mechanical arm on the workbench one takes out the valve core blank and places it on the positioning component two of the conveying component at one end of the workbench one, and sends it to the end of the conveying component close to the workbench two. The mechanical arm on the workbench two picks up the valve core blank and sends it to the machining center on the side of the workbench two to process the end face groove, outer diameter groove and outer diameter of both ends of the valve core blank; Then the robotic arm on workbench two places the processed valve core blank on the conveying assembly at the end of workbench two away from workbench one, and sends it to the end close to workbench three. The robotic arm on workbench three picks up the valve core blank and sends it to the machining center on the side of workbench three for chamfering and finishing. After the machining is completed, the valve core is taken out and placed in the fixed assembly set on workbench three.

[0023] Optionally, the processing of the valve core blank comprises the following steps: The mechanical arm picks up the valve core blank placed on the fixed plate 1 and places it on the positioning plate and the positioning block of the positioning assembly, so that the side wall of the valve core blank contacts the positioning grooves provided on the positioning plate and the positioning block, and then the pair of jaw driving parts clamps the valve core blank, and the mechanical arm together with the pair of jaw driving parts repeatedly clamps the valve core blank to fine-tune the positioning of the valve core blank; The mechanical arm on the workbench 1 takes the valve core blank from the machining center on one side of the workbench, and places it horizontally on the fixed seat of the conveying mechanism, so that the side wall of the valve core blank is in three-phase contact with the positioning groove provided on the positioning frame on the fixed seat, and the inner side wall of the positioning hole provided on the valve core blank is in contact with the positioning rod provided on the fixed seat, so as to position the valve core blank, and then the driving member 2 drives the fixed seat to move on the frame, and abuts against the top rod at one end of the frame close to the workbench 2; The mechanical arm on the workbench 3 clamps the processed valve core blank from the fixed seat at one end of the workbench 3, and then positions it by changing its position through the positioning frame on one side wall of the support frame of the workbench 3, and then sends it to the machining center for processing; The robotic arm on workbench three removes the processed valve core from the machining center on the side of workbench three, and places it in the fixed groove of fixed plate one on the side wall of workbench three, so that the bottom of the long cylindrical rod with the positioning hole in the valve core contacts fixed plate one, and the end face groove and spherical part of the valve core are suspended away from fixed plate two, thereby reducing the wear of the end face groove and other important parts of the spherical surface of the valve core, and allowing the cutting fluid flowing down from the processed valve core to flow into the grooves on positioning plates one and two, leading the cutting fluid away and allowing the valve core to air-dry quickly.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. Place the valve core blank on the fixed plate 1 and the fixed plate 2, and support the positioning plate 2 through the vertical rod 2 arranged on the fixed plate 1, so that a larger gap is formed between the positioning plate 1 and the positioning plate 2, which is convenient for supporting the valve core blank and preventing the valve core blank from falling off the fixed plate. At the same time, the coolant on the surface of the processed valve core placed on the fixed plate 1 and the fixed plate 2 on the workbench 3 can be quickly air-dried; fix the valve core blank through the fixing groove provided on the fixing plate to prevent the valve core blank placed on the fixing plate from deviating, and the side wall of the fixing groove is provided with a chamfer to facilitate the placement of the valve core blank; 2. The mechanical arm of the workbench 1 clamps the valve core blank from the fixed plate and places it vertically on the positioning plate, so that the valve core blank fits with the inner wall of the positioning groove 1 opened on the positioning plate to position the valve core blank; the valve core blank is clamped by a pair of clamping claw driving members arranged on the support seat, and the positioning of the valve core blank is fine-tuned by the mechanical arm and the pair of clamping claw driving members, so as to reduce the error of processing after the valve core blank is fixed on the machine tool, and improve the processing accuracy of the positioning hole on the valve core; 3. The valve core blank placed horizontally by the robot arm is supported by the positioning frame arranged on the fixed seat, and the position of the valve core blank is restricted by the three positioning grooves opened on the positioning frame, so that the spherical part of the valve core blank is suspended in the air, thereby reducing the wear on the processed part of the spherical surface of the valve core blank; the positioning rod is used to fit the inner wall of the positioning hole opened on the valve core blank to further position the valve core blank, so as to prevent the valve core blank from detaching from the fixed seat and affecting the subsequent processing of the valve core blank. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is an overall schematic diagram of a valve core automatic production line; Figure 2 yes Figure 1 A partial enlarged view of middle A; Figure 3 yes Figure 1 A partial enlarged view of B in the middle; Figure 4 It is a partial cross-sectional view of the positioning component in the valve core automatic production line; Figure 5 yes Figure 4 A partial enlarged view of middle C; Figure 6 yes Figure 4 A partial enlarged view of D in the middle.

[0026] In the figure, 1, machining center; 11, workbench one; 12, workbench two; 13, workbench three; 2, robotic arm; 3, fixing component; 31, fixing plate one; 312, fixing groove; 313, groove; 32, fixing plate two; 33, vertical pole one; 34, support frame one; 35, stop rod; 4, valve core blank; 5, positioning component one; 51, support frame two; 52, positioning plate; 521, positioning groove one; 53, clamping claw driving part one; 54, vertical pole two; 55, positioning block; 551, positioning groove two; 6, conveying component; 61, frame; 62, guide rail; 63, fixing seat; 64, driving part two; 65, travel switch; 66, push rod; 67, elastic part; 68, induction part; 7, positioning component two; 71, positioning frame; 711, positioning groove three; 72, positioning rod. DETAILED DESCRIPTION

[0027] The following is combined with Figure 1 -Attached Figure 6 , further details of this application are given.

[0028] Embodiment 1 A valve core automatic production line, refer to Figure 1 and Figure 2, fix the three machining centers 1 with the anchor bolts embedded in the ground, arrange the workbench 11, the workbench 2 12, and the workbench 3 13 at intervals in the same direction and connect and fix them with the anchor bolts embedded in the ground, so that the machining center 1 corresponds to the workbench, and set the conveying assembly 6 at the intervals between the three workbenches, assemble the three robot arms 2 at one end of the three workbenches and connect them with the power supply and control system, fix the metal support frame 1 34 on the workbench 1 1 and the workbench 3 13 with bolts, fix the metal fixing plate 1 31 on the support frame 1 34 with bolts, thread the threaded metal vertical rod 1 33 with the fixing plate 1 31, and thread the metal fixing plate 2 32 above the vertical rod 1 33, place the valve core blank 4 through the fixing groove 312 opened on the fixing plate 1 31 and the fixing plate 2 32, and roughly position the valve core blank 4 through the blocking rod 35 inserted on the fixing plate 2 32 to prevent the blank from moving on the fixing plate.

[0029] Reference Figure 2 and Figure 4 , a metal support frame 2 51 is fixed with bolts on the side of the support frame 134 on the workbench 11 away from the machining center 1, and a positioning plate 52 is fixed to the support frame 2 51 by bolts, and a positioning groove 1 521 corresponding to the end of the valve core blank 4 is opened on the positioning plate 52, and a threaded metal vertical rod 2 54 is threadedly connected on the positioning plate 52, and a metal positioning block 55 with a positioning groove 2 551 is threadedly connected on the vertical rod 2 54 to position and support the valve core blank 4 to prevent the valve core blank 4 from being separated from the positioning plate 52; a clamp driving member 1 53 is fixed to the support frame 2 51 with bolts, and the clamp driving member 1 53 is a clamp cylinder, which is against the side walls of the valve core blank 4 on both sides, and the clamp driving member 1 53 drives the clamp to position and clamp the valve core blank 4 placed on the positioning plate 52.

[0030] Reference Figure 2 , Figure 3 and Figure 4The conveying assembly 6 includes a frame 61 connected to the anchor bolts pre-buried in the ground, so that the two ends of the frame 61 correspond to the workbench, and a metal guide rail 62 is fixed to the frame 61 along the length direction of the frame 61 with bolts, and a slider corresponding to the guide rail 62 is fixed to the frame 61 with bolts under the metal fixing seat 63, and the fixing seat 63 is installed above the guide rail 62, and a driving member 2 64 is fixed with bolts under the fixing seat 63. The driving member 2 64 is a small motor connected to a power source, and a rotating member driven by the motor. The moving wheel rotates on the frame 61 and moves with the fixed seat 63 on the frame 61; the metal positioning frame 71 is fixed on the fixed seat 63 with bolts, and the processed valve core blank 4 placed horizontally on the positioning frame 71 is limited by the positioning groove 711 opened on the positioning frame 71, and the metal positioning rod 72 is fixed to the fixed seat 63 with bolts at one end of the positioning frame 71, and the end of the positioning rod 72 contacts the inner wall of the positioning hole opened on the valve core blank 4 to position the valve core blank 4.

[0031] Reference Figure 4 and Figure 6 , support plates at both ends of the frame 61 are provided with retractable metal push rods 66 corresponding to the side walls of the fixed seat 63, and an elastic member 67 is fixed between the end of the push rod 66 away from the fixed seat 63 and the support plate of the frame 61. The elastic member 67 is a spring. After the push rod 66 and the fixed seat 63 are abutted, it shrinks to buffer the fixed seat 63. A travel switch 65 corresponding to the fixed seat 63 and connected to the control system and the power supply is fixed by bolts at both ends of the frame 61 to detect and judge the position of the fixed seat 63. Sensors 68 corresponding to the valve core blank 4 placed and positioned on the positioning frame 71 on the fixed seat 63 are fixed by bolts on both sides of the frame 61. The sensor 68 is an infrared sensor electrically connected to the power supply and the control system to detect whether a blank is placed on the positioning frame 71, so that the robot arm 2 can accurately remove the valve core blank 4 from the positioning frame 71 on the fixed seat 63 after the fixed seat 63 is in place.

[0032] Reference Figures 3 to 5, a support frame 34 on the workbench three 13 is connected to the workbench three 13 away from the machining center 1 with bolts, a positioning frame 71 is fixed on one side of the support frame 34 on the workbench three 13 with bolts, and a positioning rod 72 is fixed to the support frame at one end of the positioning frame 71 away from the machining center 1. After the mechanical arm 2 on the workbench three 13 clamps the processed valve core blank 4 from the fixed seat 63 at one end of the workbench three 13, the mechanical arm 2 clamps and positions the long cylindrical rod with a positioning hole on the valve core by exchanging the position of the positioning frame 71 on the side wall of the support frame 34 of the workbench three 13, and sends it to the machining center for fine machining, and grooves 313 are opened at the edge positions of the fixed plates 1 31 and the fixed plates 2 32, so that the cutting fluid flowing down from the processed valve core placed on the fixed plates 1 31 and the fixed plates 2 32 flows into the fixed grooves 313, and the cutting fluid is led away, so that the valve core is quickly dried.

[0033] The implementation principle of the embodiment of the present application is: The valve core blank 4 is placed in the fixing groove 312 opened on the fixing plate 1 31 and abutted against the fixing plate 2 32. Then the mechanical arm 2 on the workbench 11 clamps the valve core blank 4 from the fixing plate 1 31 and removes it, and places it on the positioning plate 52 and the positioning block 55 corresponding to the positioning groove. The valve core blank 4 is clamped by the clamping claw driving part 1 53, and the positioning of the valve core blank 4 is fine-tuned together with the mechanical arm 2 to reduce the offset of the valve core blank 4, so that the mechanical arm 2 can send the valve core blank 4 to the machining center 1 to position the valve core blank 4. The machining center 1 performs rough machining and positioning hole machining on the valve core blank 4 to improve the machining accuracy of the valve core positioning hole. Then the mechanical arm 2 on the workbench 11 places the processed valve core blank 4 horizontally on the fixing seat On the positioning frame 71 of 63, the positioning hole processed on the valve core blank 4 corresponds to the positioning rod 72, the valve core blank 4 is positioned, and the fixed seat 63 is driven by the driving member 2 64 to move on the guide rail 62 on the frame 61, and abuts against the push rod 66 at one end of the frame 61 close to the workbench 2 12, and the elastic member 67 on the push rod 66 buffers the fixed seat 63, and the travel switch 65 on the frame 61 senses the position of the fixed seat 63, and the sensing member 68 on the frame 61 determines whether the valve core blank 4 is placed on the fixed seat 63; then the mechanical arm 2 on the workbench 2 12 removes the blank from the fixed seat 63 and puts it into the machining center 1 on the side of the workbench 2 12, and processes the end face groove, outer diameter groove and outer diameter of both ends of the valve core blank 4; Then, the robot arm 2 of the workbench 2 12 places the valve core blank 4 horizontally on the fixed seat 63 of the conveying mechanism at the end of the workbench 2 12 away from the workbench 1 11, and sends it to the end close to the workbench 3 13, and positions it by exchanging its position through the positioning frame 71 on the side wall of the support frame 1 34 of the workbench 3 13, and then sends it to the machining center 1 for machining; then, the robot arm 2 on the workbench 3 13 takes the processed valve core from the machining center 1 on the side of the workbench 3 13, and places it in the fixed groove 312 of the fixed plate 1 31 on the side wall of the workbench 3 13, so that the bottom of the long cylindrical rod with the positioning hole of the valve core is in contact with the fixed plate 1 31, so that the end face groove and the spherical part of the valve core are suspended away from the fixed plate 2 32, thereby reducing the wear of the end face groove and other important parts of the spherical surface of the valve core, and allowing the cutting fluid flowing down from the processed valve core to flow into the groove 313 on the positioning plate 52 1 and the positioning plate 52 2, so as to lead the cutting fluid away and allow the valve core to dry quickly. The robot arm 2, the conveying assembly 6 and the machining center 1 are used to complete the continuous automatic machining of the valve core blank 4, eliminating the influence of human factors on the size, stabilizing the product machining accuracy, shortening the machining process of the valve core, and improving the machining efficiency of the valve core.

[0034] Embodiment 2 S100, the worker places the valve core blanks 4 in batches on the fixing plate 1 31 on the workbench 1 11, so that the valve core blanks 4 pass through the fixing grooves 312 on the fixing plate 1 31 and contact the fixing plate 2 32, so that the side walls of the valve core blanks 4 contact the blocking rods 35, and the valve core blanks 4 are fixed; S200, start the mechanical arm 2 on the workbench 11, clamp and take out the valve core blank 4 on the fixed plate 31, place it on the positioning component 5 on the side wall of the support frame 34 of the workbench 11 for positioning fine adjustment, and then send it to the machining center 1 on the side of the workbench 11 to complete the rough machining of the valve core blank 4 and the machining of the positioning hole; S210, the robot arm 2 picks up the valve core blank 4 placed on the fixed plate 31 and places it on the positioning plate 52 and the positioning block 55 of the positioning assembly, so that the side wall of the valve core blank 4 contacts the positioning grooves provided on the positioning plate 52 and the positioning block 55, and then the clamping jaw driving member 53 clamps the valve core blank 4, and the robot arm 2 together with the clamping jaw driving member 53 repeatedly clamps the valve core blank 4 to fine-tune the positioning of the valve core blank 4; S300, after the rough processing of the valve core blank 4 is completed, the robot arm 2 on the workbench 11 takes out the valve core blank 4 and places it on the positioning component 2 7 of the conveying component 6 at one end of the workbench 11, and sends it to the end of the conveying component 6 close to the workbench 2 12, and the robot arm 2 on the workbench 2 12 clamps the valve core blank 4 and sends it to the machining center 1 on the side of the workbench 2 12 to process the end face groove, outer diameter groove and outer diameter of both ends of the valve core blank 4; S310, the robot arm 2 on the workbench 11 takes out the valve core blank 4 from the machining center 1 on the side of the workbench 11, and places it horizontally on the fixed seat 63 of the conveying mechanism, so that the side wall of the valve core blank 4 contacts the positioning groove 3 711 provided on the positioning frame 71 on the fixed seat 63, and the inner side wall of the positioning hole provided on the valve core blank 4 contacts the positioning rod 72 provided on the fixed seat 63, so as to position the valve core blank 4, and then the driving member 2 64 drives the fixed seat 63 to move on the frame 61, and abuts against the push rod 66 at one end of the frame 61 close to the workbench 2 12; S400, then the robot arm 2 on the second workbench 12 places the processed valve core blank 4 on the conveying assembly 6 at the end of the second workbench 12 away from the first workbench 11, and sends it to the end close to the third workbench 13, and the robot arm 2 on the third workbench clamps the valve core blank 4 and sends it to the machining center 1 on the side of the third workbench 13 for chamfering and finishing. After the machining is completed, the valve core is taken out and placed on the fixed plate 1 31 set on the third workbench 13; S410, the robot arm 2 on the workbench three 13 clamps the processed valve core blank 4 from the fixed seat 63 at one end of the workbench three 13, and then positions it by changing its position through the positioning frame 71 on the side wall of the support frame one 34 of the workbench three 13, and then sends it to the machining center 1 for machining; S420, the mechanical arm 2 on the workbench three 13 takes the processed valve core from the machining center 1 on the side of the workbench three 13, and places it in the fixed groove 312 of the fixed plate one 31 on the side wall of the workbench three 13, so that the bottom of the long cylindrical rod with the positioning hole of the valve core contacts the fixed plate one 31, and the end face groove and spherical part of the valve core are suspended away from the fixed plate two 32, reducing the wear of the end face groove and other important parts of the spherical surface of the valve core, so that the cutting fluid flowing down from the processed valve core flows into the groove 313 on the positioning plate 52 one and the positioning plate 52 two, and the cutting fluid is led away, and at the same time, the valve core can be quickly air-dried through the two fixed plates set at intervals. The working principle of this embodiment is basically the same as that of the embodiment one, and both can achieve the effect of stabilizing the product processing accuracy, shortening the processing steps of the valve core, and improving the processing efficiency of the valve core.

[0035] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A valve core automatic production line, comprising a plurality of processing centers (1) arranged on the ground, characterized in that: A workbench 1 (11), a workbench 2 (12), and a workbench 3 (13) are arranged on the same side of the machining center (1); a mechanical arm (2) is arranged on the same side of the workbench 1 (11), the workbench 2 (12), and the workbench 3 (13); a fixing assembly (3) is arranged on one side of the workbench 1 (11) and one side of the workbench 3 (13); the fixing assembly (3) corresponds to the mechanical arm (2); a plurality of valve core blanks (4) are placed on the fixing assembly (3) on the workbench 1 (11); the mechanical arm (2) clamps A valve core blank (4) is sent to a machining center (1) for machining. A positioning component (5) for positioning the valve core blank (4) is provided on one side of the fixing component (3) on the workbench one (11). A conveying component (6) is provided between the workbench one (11) and the workbench two (12), and between the workbench two (12) and the workbench three (13). A positioning component (7) for receiving and fixing the valve core blank (4) is provided on the conveying component (6). The fixing component (3) on the workbench three (13) is used to place the machined valve core.

2. The valve core automatic production line according to claim 1, characterized in that: The fixing assembly (3) comprises a fixing plate 1 (31), a fixing plate 2 (32) is arranged above the fixing plate 1 (31), a vertical rod 1 (33) is arranged between the fixing plate 1 (31) and the fixing plate 2 (32), the vertical rod 1 (33) supports the fixing plate 2 (32), the fixing plate 1 (31) and the fixing plate 2 (32) are provided with fixing grooves (312) corresponding to the valve core blank (4), a support frame 1 (34) connected to the workbench 1 (11) and the workbench 3 (13) is arranged below the fixing plate 1 (31), and one side of the support frame 1 (34) is connected to the positioning assembly 1 (5).

3. The valve core automatic production line according to claim 2 is characterized by: The positioning assembly 1 (5) comprises a support frame 2 (51) arranged on the side wall of the support frame 1 (34); a positioning plate (52) is arranged above the support frame 2 (51); the positioning plate (52) is provided with a positioning groove 1 (521); the inner wall of the positioning groove 1 (521) is in contact with the outer wall of the valve core blank (4); and a clamping claw driving component 1 (53) for clamping and fixing the valve core blank (4) is arranged at one end of the support frame 2 (51) located on the positioning plate (52).

4. The valve core automatic production line according to claim 3 is characterized by: A second vertical rod (54) is arranged above the positioning plate (52), and a positioning block (55) is arranged above the second vertical rod (54). The positioning block (55) is provided with a second positioning groove (551) corresponding to the first positioning groove (521), and the inner side wall of the second positioning groove (551) corresponds to the outer side wall of the cylindrical rod below the spherical surface of the valve core blank (4), and the positioning block (55) contacts the outer side wall below the spherical surface of the valve core blank (4).

5. The valve core automatic production line according to claim 4, characterized in that: The conveying assembly (6) comprises a frame (61), the frame (61) is located between two adjacent mechanical arms (2), the frame (61) is provided with a guide rail (62) arranged along the length direction of the frame (61), the guide rail (62) is provided with a fixed seat (63), the frame (61) is provided with a second driving member (64) connected to the fixed seat (63) to drive the fixed seat (63) to reciprocate on the guide rail (62), the fixed seat (63) is connected to the second positioning assembly (7), and the second positioning assembly (7) is used to place the valve core blank (4) processed by the machining center (1).

6. The valve core automatic production line according to claim 5, characterized in that: The second positioning component (7) includes a positioning frame (71) arranged above the fixing seat (63), the positioning frame (71) is provided with positioning grooves (711) corresponding to the cylindrical side walls at both ends of the valve core blank (4), and a positioning rod (72) connected to the fixing seat (63) is provided on one side of the positioning frame (71), and the outer wall of the positioning rod (72) is in contact with the inner wall of the positioning hole provided on the valve core blank (4).

7. The valve core automatic production line according to claim 6, characterized in that: Travel switches (65) corresponding to the fixed seat (63) are arranged at both ends of the frame (61), and the travel switches (65) correspond to the side walls of the fixed seat (63). Push rods (66) abutting against the side walls of the fixed seat (63) are arranged at both ends of the frame (61), and an elastic member (67) is arranged between the push rod (66) and the frame (61). Induction members (68) are arranged on both sides of the frame (61), and the induction members (68) correspond to the valve core blank (4) placed on the positioning frame (71) on the fixed seat (63).

8. The valve core automatic production line according to claim 6, characterized in that: The fixing plate 2 (32) is provided with a plurality of blocking rods (35) at positions around the fixing groove (312), and the blocking rods (35) are against the side walls of the valve core blank (4). The edges of the fixing plate 1 (31) and the fixing plate 2 (32) are provided with grooves (313). The side walls of the support frame 1 (34) on the workbench 3 (13) are also provided with the positioning frame (71). The positioning rods (72) arranged on the side of the positioning frame (71) away from the machining center (1) are fitted with the positioning holes of the valve core blank (4). After the machine arm (2) clamps the processed valve core blank (4) from the fixing seat (63) at one end of the workbench 3 (13), it is exchanged with the positioning frame (71) at the position of the workbench 3 (13) and then sent to the machining center (1) for machining.

9. A processing method for a valve core automatic production line, characterized in that: The valve core automatic production line comprises the valve core automatic production line according to claim 8, S100, a worker places the valve core blanks (4) in batches on the fixing plate 1 (31) on the workbench 1 (11), so that the valve core blanks (4) pass through the fixing grooves (312) on the fixing plate 1 (31) and contact the fixing plate 2 (32), so that the side walls of the valve core blanks (4) contact the stop rod (35), and the valve core blanks (4) are fixed; S200, start the mechanical arm (2) on the workbench (11), clamp and take out the valve core blank (4) on the fixed plate (31), place it on the positioning component (5) on the side wall of the support frame (34) of the workbench (11) for positioning fine adjustment, and then send it to the machining center (1) on the side of the workbench (11) to complete the rough machining of the valve core blank (4) and the machining of the positioning hole; S300, after the rough processing of the valve core blank (4) is completed, the mechanical arm (2) on the workbench one (11) takes out the valve core blank (4) and places it on the positioning component two (7) of the conveying component (6) at one end of the workbench one (11), and sends it to the end of the conveying component (6) close to the workbench two (12), and the mechanical arm (2) on the workbench two (12) clamps the valve core blank (4) and sends it to the machining center (1) on the side of the workbench two (12) to process the end face groove, outer diameter groove and outer diameter of the two ends of the valve core blank (4); S400, then the robot arm (2) on the second workbench (12) places the processed valve core blank (4) on the conveying assembly (6) at the end of the second workbench (12) away from the first workbench (11), and sends it to the end close to the third workbench (13), and the robot arm (2) on the third workbench clamps the valve core blank (4) and sends it to the machining center (1) on the side of the third workbench (13) for chamfering and finishing. After the machining is completed, the valve core is taken out and placed on the fixed plate (31) set on the third workbench (13).

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