Automatic loading and unloading piston ring milling machine

Abstract

The present invention discloses a piston ring milling machine with automatic loading and unloading, and specifically relates to the technical field of piston ring processing, comprising a base, a turntable is provided at the front of the base, a plurality of chucks distributed in a circular array with the rotating axis of the turntable as the center are rotatably connected to the turntable, each chuck is clamped with an extension cylinder, a plurality of support frames are distributed in a circular array on the outer circumference of each extension cylinder, a T-shaped limit rod is provided on the outer side of each support frame, clamping jaws are respectively provided at both ends of the transverse part of the limit rod, the middle part of the clamping jaw is rotatably connected to the limit rod, and an elastic mechanism for driving the clamping jaw to open and close is provided at the rear part of the clamping jaw. The present invention does not require stopping for waiting, and can continuously load and unload workpieces in batches, which not only meets the needs of large-scale milling production, but also can avoid the phenomenon of displacement of the workpiece due to force during processing.

Description

Technical Field

[0001] The invention relates to the technical field of piston ring processing, and more specifically to a piston ring milling machine with automatic loading and unloading. Background Art

[0002] The piston ring is a metal ring embedded in the piston groove. It is the core component inside the fuel engine and completes the sealing of the fuel gas together with the cylinder, piston, cylinder wall, etc. The usual piston ring has an open structure, which allows the piston ring to be expanded during installation and installed into the piston ring groove, and then returns to a nearly closed state after being installed into the ring groove.

[0003] The patent with publication number CN104858484A discloses an automatic milling and overlapping machine for piston rings, including a panel and a feeding component, a loading component, a pressing component, and a guide positioning component arranged on the panel, wherein the loading component is arranged between the feeding component and the guide positioning component, and the pressing component is arranged in the middle of the guide positioning component.

[0004] When the structure is in use, under the action of compressed air, the feeding cylinder in the feeding component is first actuated, and the feeding plate pushes the bottom workpiece in the loading component to the position of the clamping component; at this time, the outer circle of the workpiece is compressed on both sides of the positioning block in the guide positioning component, so that the free open end of the workpiece is clamped on the boss of the feeding plate, and the cylinder in the clamping component is actuated, and the pressure head moves downward and presses the workpiece. At this time, the workpiece is pressed in the position of the high-speed steel block in the inlay block under the action of compressed air, and the cylinder in the feeding component is actuated, and the feeding plate retreats to the starting position; the three-axis CNC milling machine implements cutting processing according to CNC instructions, divided into fast forward, working forward, and fast reverse, but the structure is difficult to achieve fast and accurate loading and unloading of workpieces for processing when in use, and the contact area between the workpiece and the airflow is small, which makes the workpiece transportation difficult and inaccurate, and also causes inaccurate cutting. Summary of the invention

[0005] The purpose of the present invention is to provide a piston ring milling machine with automatic loading and unloading, aiming to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a piston ring milling machine with automatic loading and unloading, comprising a base, a turntable is provided at the front of the base, a plurality of chucks distributed in a circular array with the rotating axis of the turntable as the center are rotatably connected to the turntable, each chuck is clamped with an extension cylinder, a plurality of support frames are distributed in a circular array on the outer circumference of each extension cylinder, a T-shaped limit rod is provided on the outer side of each support frame, and claws are respectively provided at both ends of the transverse part of the limit rod, the middle part of the claw is rotatably connected to the limit rod, and an elastic mechanism for driving the claw to open and close is provided at the rear of the claw;

[0007] A material guide processing assembly is provided at the rear of the base, and the material guide processing assembly includes a Y-shaped material discharge pipe for material discharge, and a support block that can slide forward and backward is provided between the turntable and the Y-shaped material discharge pipe, and a dislocation opening is provided on the support block, and a milling cutter for processing the workpiece is provided in the dislocation opening;

[0008] A feeding assembly for grabbing the extension tube and transferring it to the Y-shaped feeding tube is also provided above the base, and a triggering part for cooperating with the elastic mechanism to drive the clamping claw to start feeding is provided on the feeding assembly.

[0009] Furthermore, the elastic mechanism includes a top rod slidably connected to the middle of the support frame, the rear end of the top rod passes through the support frame and the extension tube, and extends to the interior of the extension tube; a cross bar is fixed to the front end of the top rod, both ends of the cross bar are rotatably connected to connecting parts, and the front end of each connecting part extends to the corresponding side clamping claw and is rotatably connected to the rear end of the clamping claw; a spring is arranged between the support frame and the cross bar to drive the top rod to contract toward the middle of the extension tube.

[0010] Furthermore, a limit plate is fixedly provided on the side wall opposite to the front end of the clamping jaw, the cross-section of the limit plate is arc-shaped, two abutment strips are fixed on the limit plate, and a slot for limiting the workpiece is formed between the two abutment strips.

[0011] Furthermore, a slide is provided at the bottom of the support block, a pull frame is slidably connected to the slide, the pull frame is fixedly installed at the bottom of the base, a fourth electric push rod is provided at the bottom of the slide, and an output end of the fourth electric push rod is fixedly connected to the pull frame.

[0012] Furthermore, a first micro drive motor for driving the milling cutter to rotate is arranged on the outer side of the support block, and the first micro drive motor is mounted on the support block by bolts.

[0013] Furthermore, the cross-sectional shape of the Y-shaped feeding tube is Y-shaped, and an angle-adjustable diverter plate is rotatably connected inside the Y-shaped feeding tube. The rotating shaft of the diverter plate passes through the bottom surface of the Y-shaped feeding tube and is provided with a knob.

[0014] Furthermore, the bottom of the base and the turntable are both provided with a second micro drive motor for driving the turntable and the chuck to rotate respectively.

[0015] Furthermore, the unloading assembly includes a support plate located on the top of the turntable, the bottom of the support plate is slidably connected to a clamping cylinder, two conversion clamps are arranged on the clamping cylinder, and a pull cylinder cooperating with the conversion clamp is fixedly arranged on the top of the extension cylinder;

[0016] The triggering part comprises a first electric push rod arranged at the bottom of the clamping cylinder. When the output end of the first electric push rod moves downward, it penetrates the pull cylinder and drives the push rod to extend outward to overcome the elastic force of the spring.

[0017] Furthermore, columns installed on the base are provided on both sides of the support plate, and a second electric push rod for driving the clamping cylinder to move up and down is provided on the support plate. The support plate is slidably connected to the columns, and a third electric push rod for driving the support plate to move forward and backward is provided at one end of the base.

[0018] Furthermore, the bottom of the first electric push rod is in a truncated cone shape, and the rear end of the push rod is arranged on an inclined surface that cooperates with the first electric push rod.

[0019] Technical effects and advantages of the present invention:

[0020] 1. The present invention clamps each workpiece between two corresponding clamping jaws, and each abuts against the top and bottom of the workpiece through the abutting bars, so that the workpiece can be fixed on the clamping jaws, thereby preventing the workpiece from being displaced by force during processing and affecting the processing accuracy;

[0021] 2. The present invention allows the workpiece to be transported to the bottom of the pallet by rotating the turntable, and the fourth electric push rod drives the support block to reciprocate, so that the milling cutter approaches the workpiece to perform grooving, and the chuck drives the extension cylinder to rotate, and then each clamp drives the workpiece to be transported one by one to the support block for processing, thereby realizing the function of processing multiple workpieces at one time;

[0022] 3. The present invention drives the conversion clamp to clamp the pull cylinder by the clamping cylinder, and then pulls the clamping cylinder and the conversion clamp upward, so that the pull cylinder and the extension cylinder can drive the processed workpiece to be separated from the turntable, and it is easy to install the extension cylinder and the clamping claws loaded with the remaining workpiece on the chuck, realizing the function of not stopping and waiting, and improving the processing efficiency;

[0023] 4. The present invention transfers the workpiece to the top of the Y-shaped feeding tube by resetting the third electric push rod, and extends the output end of the first electric push rod into the extension tube and contacts the push rod, so that the push rod is stressed and compresses the spring. The push rod is stressed and drives the connecting member to drive the rear end of the clamping claw to move in opposite directions, thereby causing the workpiece to lose the limit between the two limit plates, so that the workpiece can fall into the Y-shaped feeding tube, realizing the function of automatic workpiece unloading;

[0024] 5. The present invention can be loaded on the remaining extension tubes and clamps, and each loaded extension tube and clamp can be transported to one side of the support block for processing, thereby improving the workpiece processing efficiency. When unloading, the diverter plate is driven to rotate in the Y-shaped unloading pipe by rotating the knob, so that the workpiece can be transported to different areas, making it easy to classify and transport different workpieces after processing.

[0025] To sum up, through the corresponding coordinated use of various structures, each workpiece can be respectively clamped between the corresponding two clamping jaws, and each abuts against the top and bottom of the workpiece through the abutment bars, so that the workpiece can be fixed on the clamping jaws, avoiding displacement due to force during workpiece processing and affecting the processing accuracy, and each workpiece can be milled one by one, and it is easy to install the extension tube and clamping jaws for the remaining workpieces on the chuck, realizing the function of no need to stop and wait, thereby improving the processing efficiency, and the output end of the first electric push rod extends into the extension tube and contacts with the push rod, so that the clamping jaws can be displaced in opposite directions so that the workpiece loses the limit between the two limit plates, so that the workpiece can fall into the Y-shaped feeding tube, realizing the function of automatic unloading of workpieces, which not only meets the needs of large-scale milling production, but also avoids the phenomenon of displacement due to force during workpiece processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the present invention, the following briefly introduces the drawings required to be used in some embodiments of the present invention. Obviously, the drawings described below are only drawings of some embodiments of the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings. In addition, the drawings described below can be regarded as schematic diagrams, and are not limitations on the actual size of the product involved in the embodiments of the present invention, the actual process of the method, the actual timing of the signal, etc.

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0028] Figure 2 It is a side view of the overall structure of the present invention.

[0029] Figure 3 It is a schematic diagram of the chuck, extension tube, pull tube and clamping jaws of the present invention installed on a turntable.

[0030] Figure 4 It is a side view structural schematic diagram of the present invention.

[0031] Figure 5 It is a three-dimensional diagram of the clamping jaw, the limiting plate, the interference strip, the ejector rod, the spring and the interference strip of the present invention.

[0032] Figure 6 It is a three-dimensional diagram of the slide seat, the pull frame, the fourth electric push rod, the milling cutter and the support block of the present invention.

[0033] Figure 7 It is a stereoscopic diagram of the support plate, the clamping cylinder, the first electric push rod and the conversion clamp of the present invention.

[0034] The accompanying drawings are marked as follows:

[0035] 1. Base; 101. Y-shaped feed pipe; 102. manifold; 103. support block; 104. offset opening; 105. milling cutter; 106. first micro drive motor;

[0036] 2. Turntable; 201. Chuck; 202. Extension tube; 203. Support frame; 204. Ejector rod; 205. Connector; 206. Clamp; 207. Limit plate; 208. Resistance bar; 209. Limit rod; 210. Spring; 211. Pull cylinder; 212. Second micro drive motor;

[0037] 3. Support plate; 301. Clamping cylinder; 302. Conversion clamp; 303. First electric push rod; 304. Second electric push rod; 305. Column; 306. Third electric push rod; 307. Sliding seat; 308. Fourth electric push rod; 309. Pulling frame. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] The terms "first", "second", "third" in the embodiments of the present application are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined as "first", "second", "third" can expressly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or devices.

[0040] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0041] As attached Figure 1-Figure 7The piston ring milling machine with automatic loading and unloading shown in the figure comprises a base 1, a turntable 2 is provided at the front of the base 1, a plurality of chucks 201 distributed in a circular array with the rotating axis of the turntable 2 as the center are rotatably connected to the turntable 2, an extension cylinder 202 is clamped on each chuck 201, a plurality of support frames 203 are distributed in a circular array on the outer peripheral side of each extension cylinder 202, a T-shaped limiting rod 209 is provided on the outer side of each support frame 203, and jaws 206 are respectively provided at both ends of the transverse part of the limiting rod 209, the middle part of the jaws 206 is rotatably connected to the limiting rod 209, and an elastic mechanism for driving the jaws 206 to open and close is provided at the rear of the jaws 206;

[0042] The workpiece (piston ring) is clamped and fixed by the clamping claws 206 located at both ends of the T-shaped limit rod 209. The outer contour of the workpiece is larger than the initial opening arc of the clamping claw 206. After the workpiece is loaded, the elastic restoring force of the elastic mechanism itself enables the clamping claw 206 to lock the workpiece to ensure its stability during cutting.

[0043] A key connection structure should be provided between the chuck 201 and the extension tube 202 for initial positioning and to further ensure stability during cutting.

[0044] A material guiding processing assembly is provided at the rear of the base 1, and the material guiding processing assembly includes a Y-shaped material discharge tube 101 for material discharge, and a support block 103 that can slide back and forth is also provided between the turntable 2 and the Y-shaped material discharge tube 101, and an offset opening 104 is opened on the support block 103, and a milling cutter 105 for processing the workpiece is arranged in the offset opening 104; the displacement direction of the support block 103 is on the line connecting the center of the turntable 2 and the center of the extension tube 202.

[0045] A feeding assembly for grabbing the extension tube 202 and transferring it to the Y-shaped feeding tube 101 is also provided above the base 1 , and a triggering part for cooperating with the elastic mechanism to drive the clamping claw 206 to start feeding is provided on the feeding assembly.

[0046] This device can perform milling processing on the workpieces one by one without stopping and waiting, and the processing is efficient. The operator only needs to install all the workpieces on the clamping jaws 206 on the side of the extension cylinder 202, and clamp the extension cylinder 202 to the chuck 201 of the turntable 2 respectively. The second micro-drive motor drives the turntable to rotate so that the workpiece can be transported to the bottom of the pallet, and the fourth electric push rod drives the support block to reciprocate, so that the milling cutter approaches the workpiece and is driven by the first micro-drive motor to rotate the milling cutter to groove the workpiece. Then the second micro-drive motor at the bottom of the chuck starts to drive the chuck to drive the extension cylinder to rotate, and then each clamp drives the workpiece to be transported one by one to the support block for processing.

[0047] Furthermore, the elastic mechanism includes a top rod 204 slidably connected to the middle part of the support frame 203, the rear end of the top rod 204 penetrates the support frame 203 and the extension tube 202, and extends to the interior of the extension tube 202; a cross bar is fixed to the front end of the top rod 204, both ends of the cross bar are rotatably connected to connecting members 205, and the front end of each connecting member 205 extends to the corresponding side clamp 206 and is rotatably connected to the rear end of the clamp 206; a spring 210 is provided between the support frame 203 and the cross bar to drive the top rod 204 to contract toward the middle part of the extension tube 202.

[0048] Furthermore, a limiting plate 207 is fixedly provided on the side wall opposite to the front end of the clamping jaw 206. The cross-sectional shape of the limiting plate 207 is arc-shaped. Two abutment bars 208 are fixed on the limiting plate 207. A slot for limiting the workpiece is formed between the two abutment bars 208.

[0049] Each workpiece can be clamped between the corresponding two clamping jaws 206, and each abutment bar 208 abuts against the top and bottom of the workpiece, so that the workpiece can be fixed on the clamping jaws 206 to avoid displacement caused by force during processing of the workpiece and affect the processing accuracy.

[0050] Furthermore, a slide seat 307 is provided at the bottom of the support block 103, and a pull frame 309 is slidably connected to the slide seat 307. The pull frame 309 is fixedly installed at the bottom of the base 1. A fourth electric push rod 308 is provided at the bottom of the slide seat 307, and the output end of the fourth electric push rod 308 is fixedly connected to the pull frame 309.

[0051] Furthermore, a first micro-drive motor 106 for driving the milling cutter 105 to rotate is disposed on the outer side of the support block 103 , and the first micro-drive motor 106 is mounted on the support block 103 by bolts.

[0052] Furthermore, the cross-sectional shape of the Y-shaped feeding tube 101 is Y-shaped, and an angle-adjustable diverter plate 102 is rotatably connected inside the Y-shaped feeding tube 101 . The rotating shaft of the diverter plate 102 passes through the bottom surface of the Y-shaped feeding tube 101 and is provided with a knob.

[0053] Furthermore, the bottom of the base 1 and the turntable 2 are both provided with a second micro drive motor 212 for driving the turntable 2 and the chuck 201 to rotate respectively.

[0054] Furthermore, the blanking assembly includes a support plate 3 located on the top of the turntable 2, a clamping cylinder 301 is slidably connected to the bottom of the support plate 3, two conversion clamps 302 are arranged on the clamping cylinder 301, and a pull cylinder 211 cooperating with the conversion clamp 302 is fixedly arranged on the top of the extension cylinder 202;

[0055] The triggering part includes a first electric push rod 303 disposed at the bottom of the clamping cylinder 301 . When the output end of the first electric push rod 303 moves downward, it penetrates the pull cylinder 211 and drives the push rod 204 to extend outward to overcome the elastic force of the spring 210 .

[0056] The output end of the first electric push rod 303 extends into the extension tube 202 and contacts the push rod 204, so that the rear end of the clamp 206 can be displaced to make the workpiece lose its limit between the two limit plates 207, and then the workpiece can fall into the Y-shaped discharge tube 101, realizing the function of automatic workpiece discharge.

[0057] Furthermore, columns 305 installed on the base 1 are provided on both sides of the support plate 3, and a second electric push rod 304 for driving the clamping cylinder 301 to move up and down is provided on the support plate 3. The support plate 3 is slidably connected with the columns 305, and a third electric push rod 306 for driving the support plate 3 to move forward and backward is provided at one end of the base 1.

[0058] Furthermore, the bottom of the first electric push rod 303 is in a frustum shape, and the rear end of the push rod 204 is arranged on an inclined surface that matches the first electric push rod 303 .

[0059] The working principle of the present invention is as follows:

[0060] The staff clamps each workpiece (piston ring) between the corresponding two clamping jaws 206, and each abuts against the top and bottom of the workpiece through the abutment bars 208, so that the workpiece can be fixed on the clamping jaw 206. When the workpiece is placed, the clamping jaw 206 is subjected to force to rotate along the axis point of the connection between the clamping jaw 206 and the limit rod 209, and then the clamping jaw 206 drives the connecting member 205 to deflect. When the connecting member 205 deflects, it will drive the push rod 204 to move and make the spring 210 subjected to force. The clamping jaws 206 are close to each other through the elasticity of the spring 210 itself to clamp the workpiece, so as to avoid the displacement of the workpiece due to force during processing.

[0061] When the workpiece is loaded, the staff clamps the extension tube 202 and the chuck 201 together, and the second micro-drive motor 212 at the bottom of the base 1 drives the turntable 2 to rotate so that the workpiece can be transported to the bottom of the pallet 3, and the fourth electric push rod 308 drives the support block 103 to reciprocate, so that the milling cutter 105 approaches the workpiece and the first micro-drive motor 106 drives the milling cutter 105 to rotate to slot the workpiece;

[0062] At the same time, the second micro-drive motor 212 at the bottom of the corresponding chuck 201 is started to drive the chuck 201 to drive the extension tube 202 to rotate, and then each clamping jaw 206 drives the workpieces to be transferred one by one to the support block 103 for processing.

[0063] After the workpiece is processed, the third electric push rod 306 drives the support plate 3, the second electric push rod 304, the clamping cylinder 301 and the conversion clamp 302 to move to the top of the pull cylinder 211, and the conversion clamp 302 can be located on the side of the pull cylinder 211, and the clamping cylinder 301 drives the conversion clamp 302 to clamp the pull cylinder 211, and the clamping cylinder 301 and the conversion clamp 302 are pulled upward by the output end of the second electric push rod 304, so that the pull cylinder 211 and the extension cylinder 202 are driven The processed workpiece is detached from the turntable 2, and then the third electric push rod 306 is reset to transfer it to the top of the Y-shaped discharge tube 101, and extends into the extension tube 202 through the output end of the first electric push rod 303 and contacts the push rod 204, so that the push rod 204 is subjected to force and compresses the spring 210. The push rod 204 is forced to drive the connecting piece 205 to drive the clamping jaw 206 to open, and then the workpiece loses the limit between the two limit plates 207, so that the workpiece can fall into the Y-shaped discharge tube 101.

[0064] When the device is processing a workpiece, the workpiece can be loaded on the remaining extension tubes 202 and clamps 206, and each loaded extension tube 202 and clamp 206 can be transported to one side of the support block 103 for processing, thereby improving the workpiece processing efficiency. When unloading, the diverter plate 102 is driven to rotate in the Y-shaped unloading pipe 101 by rotating the knob, so that the workpiece can be transported to different areas, which makes it easy to classify and transport different workpieces after processing.

[0065] Or when the push rod 204 is driven by force to drive the connecting piece 205 to drive the clamping claw 206 to open, the workpiece falls into the Y-shaped discharge pipe 101 and is discharged from the outlet of the Y-shaped discharge pipe 101; the rotating knob drives the diverter plate 102 to rotate in the Y-shaped discharge pipe 101, and the clamping cylinder 301 drives the conversion clamp 302 to release the extension tube 202, and the extension tube 202 is discharged and collected from the other outlet of the Y-shaped discharge pipe 101.

[0066] Different from the prior art, the present application discloses a piston ring milling machine with automatic loading and unloading, wherein each workpiece can be respectively clamped between the corresponding two clamping jaws 206, and each abutment bar 208 abuts against the top and bottom of the workpiece, so that the workpiece can be fixed on the clamping jaw 206, thereby avoiding displacement caused by force during workpiece processing and affecting the processing accuracy, and each workpiece can be milled one by one, and it is easy to install the extension tube 202 and the clamping jaw 206 for loading the remaining workpieces on the chuck 201, so that there is no need to stop and wait, thereby improving the processing efficiency, and the output end of the first electric push rod 303 extends into the extension tube 202 and contacts with the push rod 204, so that the clamping jaw 206 can be displaced in the opposite direction, so that the workpiece loses the limit between the two limit plates 207, so that the workpiece can fall into the Y-shaped feeding tube 101, and the function of automatic workpiece unloading is realized, which not only meets the needs of large-scale milling production, but also avoids the phenomenon of displacement caused by force during workpiece processing.

[0067] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A piston ring milling machine with automatic loading and unloading, comprising a base (1), characterized in that: A turntable (2) is provided at the front of the base (1), and a plurality of chucks (201) are rotatably connected to the turntable (2) and are distributed in a circular array with the rotation axis of the turntable (2) as the center. An extension tube (202) is clamped on each chuck (201), and a plurality of support frames (203) are distributed in a circular array on the outer peripheral side of each extension tube (202). A T-shaped limiting rod (209) is provided on the outer side of each support frame (203), and clamping claws (206) are respectively provided at both ends of the transverse part of the limiting rod (209), and the middle part of the clamping claw (206) is rotatably connected to the limiting rod (209), and an elastic mechanism for driving the clamping claw (206) to open and close is provided at the rear of the clamping claw (206); A material guiding processing assembly is provided at the rear of the base (1), the material guiding processing assembly comprising a Y-shaped material discharge tube (101) for material discharge, a support block (103) which can slide forward and backward is provided between the turntable (2) and the Y-shaped material discharge tube (101), a dislocation opening (104) is provided on the support block (103), and a milling cutter (105) for processing a workpiece is provided in the dislocation opening (104); A material discharge assembly for grabbing the extension tube (202) and transferring it to the Y-shaped material discharge tube (101) is also provided above the base (1), and a trigger portion for cooperating with the elastic mechanism to drive the clamping claw (206) to start material discharge is provided on the material discharge assembly; The elastic mechanism comprises a push rod (204) slidably connected to the middle of the support frame (203), the rear end of the push rod (204) penetrates the support frame (203) and the extension tube (202), and extends to the interior of the extension tube (202); a cross bar is fixed to the front end of the push rod (204), both ends of the cross bar are rotatably connected to connecting pieces (205), and the front end of each connecting piece (205) extends to the corresponding side clamping claw (206) and is rotatably connected to the rear end of the clamping claw (206); a spring (210) is provided between the support frame (203) and the cross bar to drive the push rod (204) to retract toward the middle of the extension tube (202); The blanking assembly comprises a support plate (3) located on the top of the turntable (2); a clamping cylinder (301) is slidably connected to the bottom of the support plate (3); two conversion clamps (302) are arranged on the clamping cylinder (301); and a pull cylinder (211) cooperating with the conversion clamp (302) is fixedly arranged on the top of the extension cylinder (202); The triggering part comprises a first electric push rod (303) arranged at the bottom of the clamping cylinder (301); when the output end of the first electric push rod (303) moves downward, it penetrates the pull cylinder (211) and drives the push rod (204) to extend outward against the elastic force of the spring (210); Both sides of the support plate (3) are provided with columns (305) mounted on the base (1); a second electric push rod (304) for driving the clamping cylinder (301) to move up and down is provided on the support plate (3); the support plate (3) is slidably connected to the columns (305); and a third electric push rod (306) for driving the support plate (3) to move forward and backward is provided at one end of the base (1); The bottom of the first electric push rod (303) is in the shape of a truncated cone, and the rear end of the push rod (204) is arranged on an inclined surface that matches the first electric push rod (303).

2. The automatic loading and unloading piston ring milling machine according to claim 1 is characterized in that: A limiting plate (207) is fixedly arranged on the side wall opposite to the front end of the clamping jaw (206); the cross-section of the limiting plate (207) is arc-shaped; two abutment bars (208) are fixed on the limiting plate (207); a slot for limiting the workpiece is formed between the two abutment bars (208).

3. The automatic loading and unloading piston ring milling machine according to claim 1 is characterized in that: A slide seat (307) is provided at the bottom of the support block (103), a pull frame (309) is slidably connected to the slide seat (307), the pull frame (309) is fixedly mounted at the bottom of the base (1), a fourth electric push rod (308) is provided at the bottom of the slide seat (307), and an output end of the fourth electric push rod (308) is fixedly connected to the pull frame (309).

4. The automatic loading and unloading piston ring milling machine according to claim 3 is characterized in that: A first micro drive motor (106) for driving the milling cutter (105) to rotate is arranged on the outer side of the support block (103); the first micro drive motor (106) is mounted on the support block (103) via bolts.

5. The automatic loading and unloading piston ring milling machine according to claim 1 is characterized in that: The cross-sectional shape of the Y-shaped feeding tube (101) is Y-shaped. A diverter plate (102) with an adjustable angle is rotatably connected inside the Y-shaped feeding tube (101). The rotating shaft of the diverter plate (102) passes through the bottom surface of the Y-shaped feeding tube (101) and is provided with a knob.

6. The automatic loading and unloading piston ring milling machine according to claim 1 is characterized in that: The bottom of the base (1) and the turntable (2) are both provided with a second micro drive motor (212) for driving the turntable (2) and the chuck (201) to rotate respectively.

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