Automatic deburring device and method for piston

Abstract

The invention provides an automatic deburring device and method for a piston. The deburring device comprises a conveying mechanism, a turnover mechanism, an outer side deburring mechanism and an inner deburring mechanism. The conveying mechanism conveys a piston, the outer side deburring mechanism removes burrs on the outer side of the piston, the turnover mechanism turns over the piston, and the inner deburring mechanism removes burrs in the piston. The conveying mechanism comprises a bottom plate arranged on the ground, a supporting frame is installed on the bottom plate, a conveying frame is installed on the supporting frame, and two guide wheels and a rotary driving part a are installed on the supporting frame. According to the piston deburring device, burrs on the outer side of a piston are removed through the outer side deburring mechanism, the piston is overturned through the overturning mechanism, burrs in the piston are removed through the inner side deburring mechanism, then the outer side and the inner side of the piston can be subjected to deburring treatment comprehensively, and the device is convenient to use.

Description

Technical Field

[0001] The invention relates to the technical field of piston deburring, and in particular to an automatic piston deburring device and method. Background Art

[0002] The piston is a reciprocating part in the cylinder block of a car engine. The basic structure of the piston can be divided into the top, head and skirt. The top of the piston is the main part of the combustion chamber. Its shape is related to the type of combustion chamber selected, such as Fig.16 The figure shows a schematic diagram of a piston structure in the prior art, including a piston body 80, on which an inner groove 801 and a circular groove 802 are formed. Burrs will be generated on the inner and outer surfaces of the piston during production, so the piston needs to be deburred.

[0003] Chinese patent application No. 2020211295888 discloses a processing device for deburring a piston, comprising a base, with L-shaped support blocks and support plates installed on the left and right ends of the base, the vertical plate of the L-shaped support block is fixedly installed with a first motor, the output end of the first motor is fixedly connected with a first rotating shaft, a grinding roller for removing burrs from the piston is fixedly mounted on the first rotating shaft, the other end of the first rotating shaft is fixedly connected with a first bearing, the first bearing is fixed on the support plate, and a positioning mechanism for fixing the piston and adjusting the position of the piston is slidably installed between the L-shaped support block and the support plate, and the positioning mechanism is located directly in front of the grinding roller.

[0004] The above deburring device can deburr the outer surface of the piston, but it is not convenient to deburr the inner side of the piston. Fig.16 The piston body 80 shown is provided with an inner groove 801 and a circular groove 802 , and the above-mentioned deburring device is not convenient for cleaning the burrs in the inner groove 801 and the circular groove 802 . Therefore, we propose an automatic piston deburring device and method. Summary of the invention

[0005] The purpose of the present invention is to address the deficiencies in the prior art and to provide an automatic piston deburring device, which removes burrs on the outside of the piston through an external deburring mechanism, flips the piston through a flipping mechanism, and removes burrs inside the piston through an internal deburring mechanism, thereby being able to comprehensively deburr the outside and inside of the piston, making it easier to use the device.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A piston automatic deburring device comprises a conveying mechanism, a flipping mechanism, an outer deburring mechanism and an inner deburring mechanism; the conveying mechanism transports the piston, the outer deburring mechanism removes the burrs on the outer side of the piston, the flipping mechanism flips the piston, and the inner deburring mechanism removes the burrs inside the piston;

[0008] The conveying mechanism includes a base plate arranged on the ground, a support frame is installed on the base plate, a conveying frame is installed on the support frame, two guide wheels and a rotating driving member a are installed on the support frame, a driving wheel a is installed on the output end of the rotating driving member a, and a transmission belt is sleeved on the outer side of the conveying frame, the guide wheel and the driving wheel a; a robot is provided on one side of the base plate.

[0009] The outer deburring mechanism includes a fixed seat arranged on the ground, a linear driving member a is installed on the fixed seat, a moving rod is installed on the output end of the linear driving member a, a block is installed on the moving rod, an insertion block is installed on the top of the moving rod, a fixed frame is installed on the fixed seat, a rotating driving member b is installed on the fixed frame, a rotating sleeve a is installed on the output end of the rotating driving member b, a rotating sleeve b is rotatably provided on the fixed frame, the moving rod and the block are inserted into the rotating sleeve b, the rotating sleeve a and the rotating sleeve b are connected by belt transmission, and an outer deburring component is provided on one side of the fixed seat.

[0010] The outer deburring assembly comprises a fixed plate arranged on the ground, a flat plate is mounted on the fixed plate, two rotating rods are rotatably mounted at the bottom of the flat plate, a swing arm is mounted on the rotating rod, a rotating shaft a is mounted on the swing arm, a grinding wheel a is mounted on the rotating shaft a, a rotating driving member c is mounted on the swing arm, and an output end of the rotating driving member c is connected to the rotating shaft a via a belt transmission;

[0011] The rotating rod is provided with a gear a, and two gears a are meshed with each other. The flat plate is provided with a rotating driving member d, and the rotating driving member d drives one of the rotating rods to rotate.

[0012] The flat plate is provided with a mounting plate, a rotating driving member e is provided on the mounting plate, a swing arm is provided at the output end of the rotating driving member e, a rotating shaft b is provided on the swing arm, a grinding wheel b is provided on the rotating shaft b, a rotating driving member f is provided on the swing arm, and the output end of the rotating driving member f is connected to the rotating shaft b via a belt transmission;

[0013] A connecting block is provided below the flat plate, a circular hole is provided in the connecting block, a square plate is provided on one side of the connecting block, a linear drive member c is installed on the square plate, and an arc block is installed at the output end of the linear drive member c.

[0014] The flipping mechanism includes: a connecting frame, which is arranged between the two conveying frames; a rotating sleeve c, which is rotatably arranged above the connecting frame, and a receiving groove is opened in the rotating sleeve c; a rotating driving member g, which is installed at the bottom of the connecting frame; a driving wheel b, which is installed at the output end of the rotating driving member g, and the driving wheel b is connected to the rotating sleeve c through a belt drive.

[0015] The internal deburring mechanism includes: a mounting frame, which is installed on the ground; a motion driving member, which is installed on the mounting frame; an arc frame, which is installed on the output end of the motion driving member; a sliding frame, which is slidably installed on the arc frame; a connecting rod, which is installed at the bottom of the sliding frame; an insertion rod, which is installed at the bottom of the connecting rod; and an airbag, which is installed on the outside of the insertion rod, and metal bristles are provided on the outside of the airbag.

[0016] An arc-shaped rack is arranged outside the arc-shaped frame, a rotary driving member h is installed on the sliding frame, a gear b is installed at the output end of the rotary driving member h, and the gear b is meshed with the arc-shaped rack.

[0017] A guide rail is installed on the mounting frame, a moving block is slidably provided on the guide rail, a connecting plate is installed on the moving block, the moving driving member is installed on the connecting plate, a linear driving member e is installed on the mounting frame, and an output end of the linear driving member e is connected to the moving block.

[0018] An electromagnet is provided in the insertion rod, a placement box is provided on one side of the mounting frame, a fixing plate is installed on one of the conveying frames, a linear drive member f is installed on the fixing plate, a limiting ring is installed at the output end of the linear drive member f, and a plurality of clamping blocks are provided in the limiting ring.

[0019] The beneficial effects of the present invention are:

[0020] (1) The present invention removes burrs on the outside of the piston by an external deburring mechanism, flips the piston by a flipping mechanism, and removes burrs inside the piston by an internal deburring mechanism, thereby being able to comprehensively deburr the outside and inside of the piston, making the device easier to use.

[0021] (2) The present invention drives the piston body to move up and down, and the rotating driving member b drives the moving rod to rotate, thereby driving the piston body to rotate; the grinding wheels a rotating on both sides grind the side surfaces of the piston body to remove burrs on the side surfaces of the piston body; the rotating driving member e drives the swing arm to rotate downward, drives the grinding wheel b to contact the top surface of the piston body, and the rotating driving member f drives the grinding wheel b to rotate to grind the top surface of the piston body to remove burrs on the top surface of the piston body.

[0022] (3) The present invention drives the insertion rod to move downward until the insertion rod is inserted into the inner groove of the piston body, and liquid is filled into the airbag. The airbag expands and contacts the inner groove of the piston body. The motion drive member drives the insertion rod to reciprocate and move up and down. The metal bristles on the airbag grind the inner groove to remove burrs on the surface of the inner groove.

[0023] (4) The present invention continues to fill the airbag with liquid, so that the airbag expands and contacts the inner groove and circular groove of the piston body, and the rotating driving member h drives the gear b to rotate, drives the sliding frame to reciprocate along the arc frame, and drives the airbag to make reciprocating arc motion around the circular groove. The metal bristles on the airbag not only grind the inner groove, but also grind the circular groove to remove burrs on the inner surface of the circular groove, so that the inside of the piston body can be deburred more comprehensively.

[0024] (5) The present invention drives the electromagnet in the insertion rod to generate magnetic attraction, absorbs metal debris generated by grinding inside the piston body, drives the insertion rod to move upward, and drives the airbag to move synchronously. The linear drive member e drives the motion block to move backward, and drives the airbag to move to the top of the placement box; the electromagnet is powered off and liquid is filled into and discharged from the airbag at the same time, driving the airbag to expand and shrink rapidly, generating vibration on the airbag, so that the metal debris on the surface of the airbag falls into the placement box, and the metal debris generated by grinding inside the piston body is cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the first overall structure of the present invention;

[0026] Figure 2 It is a schematic diagram of the second overall structure of the present invention;

[0027] Figure 3 It is a schematic diagram of the structure of the conveying mechanism of the present invention;

[0028] Figure 4 This is a schematic diagram of the connecting block and square plate structure of the present invention;

[0029] Figure 5 It is a schematic diagram of the cross-sectional structure of the connecting frame of the present invention;

[0030] Figure 6 This is a schematic diagram of the structure of the rotating sleeve c and the connecting frame of the present invention;

[0031] Figure 7 It is a schematic diagram of the structure of some parts of the outer burr removal mechanism of the present invention;

[0032] Figure 8 It is a schematic diagram of the structure of the sports rod and the block of the present invention;

[0033] Fig. 9 A schematic diagram of the outer burr removal assembly of the present invention from a first angle;

[0034] Fig.10 A second angle schematic diagram of the outer burr removal assembly of the present invention;

[0035] Fig.11 It is a schematic diagram of the internal deburring mechanism of the present invention from a first angle;

[0036] Fig.12 A second angle schematic diagram of the internal deburring mechanism of the present invention;

[0037] Fig.13 This is a schematic diagram of the structure of the limit ring and the clamping block of the present invention;

[0038] Fig.14 This is a schematic diagram of the cross-sectional structure of the insertion rod of the present invention;

[0039] Fig.15 It is a schematic diagram of the motion state of the sliding frame of the present invention;

[0040] Fig.16 It is a structural schematic diagram of a piston in the prior art.

[0041] The accompanying drawings of the present application are as follows: 1. conveying mechanism; 100. bottom plate; 101. support frame; 102. conveying frame; 103. guide wheel; 104. manipulator; 105. driving wheel a; 106. transmission belt; 108. rotating driving member a; 2. turning mechanism; 201. connecting frame; 202. rotating sleeve c; 2021. containing groove; 203. rotating driving member g; 204. driving wheel b; 3. outer deburring mechanism; 301. fixing seat; 302, linear drive member a; 303, motion rod; 3031, block; 304, insert block; 305, fixed frame; 306, rotary drive member b; 307, rotary sleeve a; 308, rotary sleeve b; 31, outer deburring assembly; 311, fixed plate; 312, flat plate; 313, rotary rod; 314, swing arm; 315, rotating shaft a; 316, grinding wheel a; 317, rotary drive member c; 318, gear a; 319, rotary drive d; 320, mounting plate; 321, rotary drive member e; 322, swing arm; 323, rotating shaft b; 324, grinding wheel b; 325, rotary drive member f; 326, connecting block; 3261, round hole; 327, square plate; 328, linear drive member c; 329, arc block; 4, internal deburring mechanism; 401, mounting frame; 402, motion drive member; 403, arc frame; 404, sliding frame; 405, connecting rod; 406, 6. Insert rod; 4060. Through groove; 407. Airbag; 408. Arc rack; 409. Rotary drive member h; 410. Gear b; 411. Guide rail; 412. Moving block; 413. Connecting plate; 414. Linear drive member e; 415. Electromagnet; 4150. Conductive end; 416. Connecting plate; 417. Linear drive member f; 418. Limiting ring; 4181. Block; 80. Piston body; 801. Inner groove; 802. Circular groove. DETAILED DESCRIPTION

[0042] 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.

[0043] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0044] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0045] Embodiment 1: Figure 1-Figure 15 As shown, this embodiment provides an automatic piston deburring device, comprising a conveying mechanism 1, a flipping mechanism 2, an outer deburring mechanism 3 and an inner deburring mechanism 4; the conveying mechanism 1 transports the piston, the outer deburring mechanism 3 removes the burrs on the outer side of the piston, the flipping mechanism 2 flips the piston, and the inner deburring mechanism 4 removes the burrs inside the piston;

[0046] like Figure 1-Figure 5 As shown, the conveying mechanism 1 includes a base plate 100 arranged on the ground, a support frame 101 is installed on the base plate 100, a conveying frame 102 is installed on the support frame 101, two guide wheels 103 and a rotating driving member a108 are installed on the support frame 101, a driving wheel a105 is installed on the output end of the rotating driving member a108, and a transmission belt 106 is sleeved on the outer side of the conveying frame 102, the guide wheel 103 and the driving wheel a105; a robot 104 is provided on one side of the base plate 100.

[0047] like Figure 7-Figure 10As shown, the outer deburring mechanism 3 includes a fixed base 301 arranged on the ground, a linear driving member a302 is installed on the fixed base 301, a moving rod 303 is installed on the output end of the linear driving member a302, a block 3031 is installed on the moving rod 303, an insertion block 304 is installed on the top of the moving rod 303, a fixed frame 305 is installed on the fixed base 301, a rotating driving member b306 is installed on the fixed frame 305, a rotating sleeve a307 is installed on the output end of the rotating driving member b306, a rotating sleeve b308 is rotatably provided on the fixed frame 305, the moving rod 303 and the block 3031 are inserted into the rotating sleeve b308, the rotating sleeve a307 and the rotating sleeve b308 are connected by belt drive, and an outer deburring component 31 is provided on one side of the fixed base 301.

[0048] The outer deburring assembly 31 includes a fixed plate 311 arranged on the ground, a flat plate 312 is installed on the fixed plate 311, two rotating rods 313 are rotatably provided at the bottom of the flat plate 312, a swing arm 314 is installed on the rotating rod 313, a rotating shaft a315 is installed on the swing arm 314, a grinding wheel a316 is installed on the rotating shaft a315, a rotating driving member c317 is installed on the swing arm 314, and the output end of the rotating driving member c317 is connected to the rotating shaft a315 through a belt drive; a gear a318 is installed on the rotating rod 313, and the two gears a318 are meshed with each other, and a rotating driving member d319 is installed on the flat plate 312, and the rotating driving member d319 drives one of the rotating rods 313 to rotate.

[0049] A mounting plate 320 is mounted on the flat plate 312, a rotating driving member e321 is mounted on the mounting plate 320, a swing arm 322 is mounted on the output end of the rotating driving member e321, a rotating shaft b323 is mounted on the swing arm 322, a grinding wheel b324 is mounted on the rotating shaft b323, a rotating driving member f325 is mounted on the swing arm 322, and the output end of the rotating driving member f325 is connected to the rotating shaft b323 via a belt drive; a connecting block 326 is provided below the flat plate 312, a circular hole 3261 is opened in the connecting block 326, a square plate 327 is provided on one side of the connecting block 326, a linear driving member c328 is mounted on the square plate 327, and an arc block 329 is mounted on the output end of the linear driving member c328.

[0050] In this embodiment, the manipulator 104 places the piston body 80 on the transmission belt 106. It should be noted that the piston body 80 placed on the transmission belt 106 has its opening facing downward, and the rotating driving member a108 drives the driving wheel a105 to rotate, and the piston body 80 is transmitted to the connecting block 326 through the transmission belt 106, and the arc block 329 limits the piston body 80;

[0051] The linear drive member a302 drives the moving rod 303 to move upward, drives the insertion block 304 to pass through the circular hole 3261 and insert into the inner groove 801, drives the piston body 80 on the connecting block 326 to move upward, and transmits it to the outer dehairing station. It should be noted that: the insertion block 304 absorbs the piston body 80 through negative pressure, which is a conventional technical means in this field and will not be described in detail here.

[0052] In this embodiment, the rotary drive member d319 drives one of the rotary rods 313 to rotate, driving the two swing arms 314 to rotate inward, driving the two grinding wheels a316 to contact the outer side of the piston body 80, and the rotary drive member c317 drives the grinding wheels a316 to rotate;

[0053] The linear drive member a302 drives the piston body 80 to move up and down, and the rotary drive member b306 drives the motion rod 303 to rotate, thereby driving the piston body 80 to rotate; the grinding wheels a316 rotating on both sides grind the side surfaces of the piston body 80 to remove burrs on the side surfaces of the piston body 80;

[0054] The rotating driving component e321 drives the swing arm 322 to rotate downward, driving the grinding wheel b324 to contact the top surface of the piston body 80, and the rotating driving component f325 drives the grinding wheel b324 to rotate to grind the top surface of the piston body 80 to remove burrs on the top surface of the piston body 80.

[0055] like Figure 5 and Figure 6 As shown, the flipping mechanism 2 includes: a connecting frame 201, which is arranged between the two conveying frames 102; a rotating sleeve c202, which is rotatably arranged above the connecting frame 201, and a receiving groove 2021 is opened in the rotating sleeve c202; a rotating driving member g203, which is installed at the bottom of the connecting frame 201; a driving wheel b204, which is installed at the output end of the rotating driving member g203, and the driving wheel b204 and the rotating sleeve c202 are connected by a belt drive.

[0056] Embodiment 2

[0057] like Figure 1-Figure 15 As shown, the components identical or corresponding to those in the first embodiment are marked with the corresponding reference numerals in the first embodiment. For the sake of simplicity, only the differences from the first embodiment are described below. The second embodiment differs from the first embodiment in that:

[0058] like Figure 1-Figure 15As shown, the internal deburring mechanism 4 in this embodiment includes: a mounting frame 401, the mounting frame 401 is arranged on the ground; a motion driving member 402, the motion driving member 402 is arranged on the mounting frame 401; an arc frame 403, the arc frame 403 is installed at the output end of the motion driving member 402; a sliding frame 404, the sliding frame 404 is slidably arranged on the arc frame 403; a connecting rod 405, the connecting rod 405 is installed at the bottom of the sliding frame 404; an insertion rod 406, the insertion rod 406 is installed at the bottom of the connecting rod 405; an air bag 407, the air bag 40 7 is installed on the outside of the insertion rod 406, and metal bristles are arranged on the outside of the airbag 407. It should be noted that the motion driving member 402 can drive the arc frame 403 to move up and down, and can also drive the arc frame 403 to rotate. The motion driving member 402 is preferably a combination of a motor and a cylinder. A through groove 4060 is opened in the insertion rod 406. Liquid or gas is filled into the airbag 407 through the through groove 4060 to expand the airbag 407. The through groove 4060 is connected to the liquid supply device or the gas source through a pipeline. This is a conventional technical means in the field and will not be described in detail here.

[0059] In this embodiment, the piston body 80 (after the outer side is polished) is transferred to the receiving groove 2021 by the transmission belt 106, and the rotating driving member g203 drives the driving wheel b204 to rotate, and drives the rotating sleeve c202 to rotate 180 degrees, so as to flip the piston body 80 in the receiving groove 2021, and then the piston body 80 is transferred to the internal deburring station by the transmission belt 106;

[0060] The linear drive member f417 drives the limiting ring 418 to move downward and sleeve on the top of the piston body 80 to limit the piston body 80.

[0061] An arc-shaped rack 408 is provided on the outer side of the arc-shaped frame 403, a rotating driving member h409 is installed on the sliding frame 404, a gear b410 is installed on the output end of the rotating driving member h409, and the gear b410 is meshed with the arc-shaped rack 408. A guide rail 411 is installed on the mounting frame 401, a moving block 412 is slidably provided on the guide rail 411, a connecting plate 413 is installed on the moving block 412, the moving driving member 402 is installed on the connecting plate 413, a linear driving member e414 is installed on the mounting frame 401, and the output end of the linear driving member e414 is connected to the moving block 412, a fixing plate 416 is installed on one of the conveying frames 102, a linear driving member f417 is installed on the fixing plate 416, a limiting ring 418 is installed on the output end of the linear driving member f417, and a plurality of clamping blocks 4181 are arranged in the limiting ring 418.

[0062] In this embodiment, the motion driving member 402 drives the insertion rod 406 to move downward until the insertion rod 406 is inserted into the inner groove 801 of the piston body 80, and liquid is filled into the airbag 407. The airbag 407 expands and contacts the inner groove 801 of the piston body 80. The motion driving member 402 drives the insertion rod 406 to reciprocate and move up and down. The metal bristles on the airbag 407 grind the inner groove 801 to remove the burrs on the surface of the inner groove 801.

[0063] Continue to fill the airbag 407 with liquid, the airbag 407 expands and contacts the inner groove 801 and the circular groove 802 of the piston body 80 (the airbag 407 expands and inserts into the circular groove 802), the rotating driving member h409 drives the gear b410 to rotate, and then drives the sliding frame 404 to reciprocate along the arc frame 403, driving the airbag 407 around the circular groove 802 (i.e. Fig.15 The metal bristles on the airbag 407 not only grind the inner groove 801, but also grind the circular groove 802 to remove the burrs on the inner surface of the circular groove 802, and the interior of the piston body 80 can be deburred more comprehensively.

[0064] An electromagnet 415 is provided in the insertion rod 406, a placement box is provided on one side of the mounting frame 401, and a conductive end 4150 is provided on the electromagnet 415, and the conductive end 4150 is connected to a wire. It is a conventional technical means to energize the electromagnet 415 through the wire and the conductive end 4150, which will not be described in detail here;

[0065] The electromagnet 415 in the insertion rod 406 is energized to generate magnetic attraction, which absorbs the metal debris generated by grinding inside the piston body 80, drives the insertion rod 406 to move upward, driving the airbag 407 to move synchronously, and the linear drive member e414 drives the motion block 412 to move backward, driving the airbag 407 to move to the top of the placement box;

[0066] The electromagnet 415 is powered off and liquid is filled into and discharged from the airbag 407 at the same time, driving the airbag 407 to expand and contract rapidly, generating vibrations on the airbag 407, making it easier for metal debris on the surface of the airbag 407 to fall into the placement box, thereby cleaning the metal debris generated by grinding inside the piston body 80.

[0067] Embodiment 3: This embodiment provides a piston automatic deburring method, comprising the following steps:

[0068] Step 1, transmission process: the manipulator 104 places the piston body 80 on the transmission belt 106. It should be noted that the piston body 80 placed on the transmission belt 106 is opened downward, and the rotating driving member a108 drives the driving wheel a105 to rotate, and the piston body 80 is transmitted to the connecting block 326 through the transmission belt 106, and the arc block 329 limits the piston body 80;

[0069] Step 2, lifting process: the linear driving member a302 drives the moving rod 303 to move upward, drives the insertion block 304 to pass through the circular hole 3261 and insert into the inner groove 801, drives the piston body 80 on the connecting block 326 to move upward, and transmits it to the outer hair removal station;

[0070] Step 3, outer hair removal process: the rotary drive member d319 drives one of the rotary rods 313 to rotate, driving the two swing arms 314 to rotate inward, driving the two grinding wheels a316 to contact the outer side of the piston body 80, and the rotary drive member c317 drives the grinding wheels a316 to rotate;

[0071] The linear drive member a302 drives the piston body 80 to move up and down, and the rotary drive member b306 drives the motion rod 303 to rotate, thereby driving the piston body 80 to rotate; the grinding wheels a316 rotating on both sides grind the side surfaces of the piston body 80 to remove burrs on the side surfaces of the piston body 80;

[0072] The rotary drive member e321 drives the swing arm 322 to rotate downward, drives the grinding wheel b324 to contact the top surface of the piston body 80, and the rotary drive member f325 drives the grinding wheel b324 to rotate to grind the top surface of the piston body 80 to remove the burrs on the top surface of the piston body 80;

[0073] Step 4, flipping process: The piston body 80 (after the outer side is polished) is transferred to the receiving groove 2021 through the transmission belt 106, and the rotating driving member g203 drives the driving wheel b204 to rotate, and drives the rotating sleeve c202 to rotate 180 degrees, so as to flip the piston body 80 in the receiving groove 2021, and then the piston body 80 is transferred to the internal deburring station through the transmission belt 106;

[0074] The linear drive member f417 drives the limiting ring 418 to move downward and sleeve on the top of the piston body 80 to limit the piston body 80;

[0075] Step 5, first internal deburring process: the motion driving member 402 drives the insertion rod 406 to move downward until the insertion rod 406 is inserted into the inner groove 801 of the piston body 80, and liquid is filled into the airbag 407. The airbag 407 expands and contacts the inner groove 801 of the piston body 80. The motion driving member 402 drives the insertion rod 406 to reciprocate and move up and down. The metal bristles on the airbag 407 grind the inner groove 801 to remove the burrs on the surface of the inner groove 801.

[0076] Step 6, second internal deburring process: continue to fill the airbag 407 with liquid, the airbag 407 expands and contacts the inner groove 801 and the circular groove 802 of the piston body 80 (the airbag 407 expands and inserts into the circular groove 802), the rotating driving member h409 drives the gear b410 to rotate, and then drives the sliding frame 404 to reciprocate along the arc frame 403, driving the airbag 407 around the circular groove 802 (i.e. Fig.15 The metal brush on the airbag 407 not only grinds the inner groove 801, but also grinds the circular groove 802 to remove the burrs on the inner surface of the circular groove 802, and can perform a comprehensive deburring operation on the inside of the piston body 80;

[0077] Step 7, cleaning process: the electromagnet 415 in the insertion rod 406 is energized to generate magnetic attraction, which absorbs the metal debris generated by grinding inside the piston body 80, drives the insertion rod 406 to move upward, drives the airbag 407 to move synchronously, and the linear drive member e414 drives the motion block 412 to move backward, driving the airbag 407 to move to the top of the placement box;

[0078] The electromagnet 415 is powered off and liquid is filled into and discharged from the airbag 407 at the same time, driving the airbag 407 to expand and contract rapidly, generating vibrations on the airbag 407, making it easier for metal debris on the surface of the airbag 407 to fall into the placement box, thereby cleaning the metal debris generated by grinding inside the piston body 80.

[0079] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements 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 automatic deburring device, characterized in that: It comprises a conveying mechanism (1), a turning mechanism (2), an outer burr removal mechanism (3) and an inner burr removal mechanism (4); the conveying mechanism (1) transports the piston, the outer burr removal mechanism (3) removes burrs on the outer side of the piston, the turning mechanism (2) turns the piston, and the inner burr removal mechanism (4) removes burrs inside the piston; The conveying mechanism (1) comprises a base plate (100) arranged on the ground, a support frame (101) is installed on the base plate (100), a conveying frame (102) is installed on the support frame (101), two guide wheels (103) and a rotating driving member a (108) are installed on the support frame (101), a driving wheel a (105) is installed at the output end of the rotating driving member a (108), and a transmission belt (106) is sleeved on the outer side of the conveying frame (102), the guide wheel (103) and the driving wheel a (105); a robot (104) is provided on one side of the base plate (100).

2. The automatic piston deburring device according to claim 1, characterized in that: The outer deburring mechanism (3) comprises a fixed seat (301) arranged on the ground, a linear drive member a (302) is installed on the fixed seat (301), a motion rod (303) is installed on the output end of the linear drive member a (302), a block (3031) is installed on the motion rod (303), an insertion block (304) is installed on the top of the motion rod (303), a fixed connection frame (305) is installed on the fixed seat (301), and a fixed connection frame (305) is installed on the fixed connection frame (305). A rotating drive member b (306) is installed, and a rotating sleeve a (307) is installed at the output end of the rotating drive member b (306). A rotating sleeve b (308) is rotatably provided on the fixed frame (305). The moving rod (303) and the block (3031) are inserted into the rotating sleeve b (308). The rotating sleeve a (307) and the rotating sleeve b (308) are connected via a belt transmission. An outer deburring component (31) is provided on one side of the fixed seat (301).

3. The automatic piston deburring device according to claim 2, characterized in that: The outer deburring assembly (31) comprises a fixed plate (311) arranged on the ground, a flat plate (312) is mounted on the fixed plate (311), two rotating rods (313) are rotatably mounted at the bottom of the flat plate (312), a swing arm (314) is mounted on the rotating rod (313), a rotating shaft a (315) is mounted on the swing arm (314), a grinding wheel a (316) is mounted on the rotating shaft a (315), a rotating driving member c (317) is mounted on the swing arm (314), and an output end of the rotating driving member c (317) is connected to the rotating shaft a (315) via a belt drive; A gear a (318) is installed on the rotating rod (313), and the two gears a (318) are meshed with each other. A rotating driving member d (319) is installed on the flat plate (312), and the rotating driving member d (319) drives one of the rotating rods (313) to rotate.

4. The automatic piston deburring device according to claim 3, characterized in that: The flat plate (312) is mounted with a mounting plate (320), a rotating driving member e (321) is mounted on the mounting plate (320), a swing arm (322) is mounted on the output end of the rotating driving member e (321), a rotating shaft b (323) is mounted on the swing arm (322), a grinding wheel b (324) is mounted on the rotating shaft b (323), a rotating driving member f (325) is mounted on the swing arm (322), and the output end of the rotating driving member f (325) is connected to the rotating shaft b (323) via a belt transmission; A connecting block (326) is provided below the flat plate (312), a circular hole (3261) is provided in the connecting block (326), a square plate (327) is provided on one side of the connecting block (326), a linear drive member c (328) is installed on the square plate (327), and an arc block (329) is installed at the output end of the linear drive member c (328).

5. The automatic piston deburring device according to claim 4, characterized in that: The turning mechanism (2) comprises: A connecting frame (201), the connecting frame (201) being arranged between the two conveying frames (102); A rotating sleeve c (202), the rotating sleeve c (202) being rotatably disposed above the connecting frame (201), and a receiving groove (2021) being provided in the rotating sleeve c (202); A rotating driving member g (203), wherein the rotating driving member g (203) is installed at the bottom of the connecting frame (201); A driving wheel b (204), the driving wheel b (204) is installed at the output end of the rotating driving member g (203), and the driving wheel b (204) is connected to the rotating sleeve c (202) through a belt transmission.

6. The automatic piston deburring device according to claim 5, characterized in that: The internal deburring mechanism (4) comprises: A mounting frame (401), wherein the mounting frame (401) is disposed on the ground; A motion driving member (402), wherein the motion driving member (402) is disposed on the mounting frame (401); An arc frame (403), the arc frame (403) being installed at the output end of the motion driving member (402); A sliding frame (404), the sliding frame (404) is slidably disposed on the arc frame (403); A connecting rod (405), the connecting rod (405) being installed at the bottom of the sliding frame (404); An insertion rod (406), the insertion rod (406) being installed at the bottom of the connecting rod (405); An airbag (407) is installed on the outside of the insertion rod (406), and metal bristles are arranged on the outside of the airbag (407).

7. The automatic piston deburring device according to claim 6, characterized in that: An arc-shaped rack (408) is arranged on the outer side of the arc-shaped frame (403), a rotary drive member h (409) is installed on the sliding frame (404), a gear b (410) is installed on the output end of the rotary drive member h (409), and the gear b (410) is meshed with the arc-shaped rack (408).

8. The automatic piston deburring device according to claim 7, characterized in that: A guide rail (411) is installed on the mounting frame (401), a moving block (412) is slidably provided on the guide rail (411), a connecting plate (413) is installed on the moving block (412), the moving driving member (402) is installed on the connecting plate (413), a linear driving member e (414) is installed on the mounting frame (401), and an output end of the linear driving member e (414) is connected to the moving block (412).

9. The automatic piston deburring device according to claim 8, characterized in that: An electromagnet (415) is provided inside the insertion rod (406), a placement box is provided on one side of the mounting frame (401), a fixing plate (416) is installed on one of the conveying frames (102), a linear driving member f (417) is installed on the fixing plate (416), a limiting ring (418) is installed on the output end of the linear driving member f (417), and a plurality of clamping blocks (4181) are provided inside the limiting ring (418).

10. A deburring method for a piston automatic deburring device according to claim 9, characterized in that: The following steps are involved: Step 1, transmission process: the manipulator (104) places the piston body on the transmission belt (106), and transmits the piston body to the connecting block (326) through the transmission belt (106), and the arc block (329) limits the piston body; Step 2, lifting process: driving the moving rod (303) to move upward, driving the insertion block (304) to pass through the circular hole (3261) and insert into the inner groove, driving the piston body on the connecting block (326) to move upward, and transmitting it to the outer hair removal station; Step 3: External hair removal process: driving the two swing arms (314) to rotate inwards, driving the two grinding wheels a (316) to contact the external side of the piston body; The piston body is driven to move up and down, and the moving rod (303) is driven to rotate to drive the piston body to rotate; the grinding wheels a (316) rotating on both sides grind the side surfaces of the piston body to remove burrs on the side surfaces of the piston body; The swing arm (322) is driven to rotate downward, and the grinding wheel b (324) is driven to contact the top surface of the piston body, and the grinding wheel b (324) is driven to rotate to grind the top surface of the piston body to remove burrs on the top surface of the piston body; Step 4, flipping process: the piston body is transferred to the receiving groove (2021) by the transmission belt (106), the driving wheel b (204) is driven to rotate, the rotating sleeve c (202) is driven to rotate 180 degrees, the piston body in the receiving groove (2021) is flipped, and then the piston body is transferred to the internal deburring station by the transmission belt (106); the limiting ring (418) is driven to move downward and sleeved on the top of the piston body to limit the piston body; Step 5, first internal deburring process: drive the insertion rod (406) to move downward until the insertion rod (406) is inserted into the inner groove of the piston body, fill the airbag (407) with liquid, the airbag (407) expands and contacts the inner groove of the piston body, drive the insertion rod (406) to reciprocate and move up and down, and the metal bristles on the airbag (407) grind the inner groove to remove burrs on the surface of the inner groove; Step 6, second internal deburring process: continue to fill the airbag (407) with liquid, the airbag (407) expands and contacts the inner groove and the circular groove of the piston body, drives the sliding frame (404) to reciprocate along the arc frame (403), drives the airbag (407) to make reciprocating arc motion around the circular groove, and the metal bristles on the airbag (407) not only grind the inner groove, but also grind the circular groove to remove the burrs on the inner surface of the circular groove, so that the interior of the piston body can be deburred more comprehensively; Step 7, cleaning process: the electromagnet (415) in the insertion rod (406) is energized to generate magnetic attraction, which absorbs the metal debris generated by grinding inside the piston body, drives the insertion rod (406) to move upward, drives the airbag (407) to move synchronously, drives the moving block (412) to move backward, and drives the airbag (407) to move to the top of the placement box; The electromagnet (415) is powered off and liquid is simultaneously filled into and discharged from the airbag (407), driving the airbag (407) to expand and contract rapidly, generating vibrations on the airbag (407), facilitating metal debris on the surface of the airbag (407) to fall into the placement box, thereby cleaning the metal debris generated by grinding inside the piston body.

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