Automatic piston cleaning equipment

Abstract

The invention belongs to the technical field of piston cleaning, and particularly relates to automatic piston cleaning equipment. A hydraulic cylinder is arranged on one side of the top of a bottom plate, a mounting rod is fixedly connected to the bottom face of one side of a sliding rod, a limiting disc is fixedly connected to the bottom of the mounting rod, and a supporting piece is arranged at the bottom of the limiting disc and provided with a cleaning mechanism; the cleaning mechanism comprises a connecting rod mechanism arranged on the periphery of the supporting piece and a plurality of brush plates, the brush plates clean the inner wall of the piston, the distance between the brush plates is adjusted through the connecting rod mechanism so that the brush plates can be matched with pistons of different models, and a containing mechanism is arranged at the top of the bottom plate and used for fixedly containing the piston to be cleaned. The rotating mechanism can drive the placing mechanism to rotate so as to drive the piston to rotate, the inner wall of the piston can be cleaned under the action of a brush plate, the fixing mechanisms are arranged on the two sides of the placing mechanism, and when the inner wall of the piston is cleaned, the periphery of the piston can be protected, and the piston is prevented from being separated from the placing mechanism in the rotating process of the placing mechanism.

Description

Technical Field

[0001] The present invention belongs to the technical field of piston cleaning, and particularly relates to a piston automatic cleaning device. Background Art

[0002] The engine is a power component of an automobile. The engine mainly consists of a cylinder, a piston, a connecting rod, a crankshaft, a valve mechanism, a propeller reducer, a crankcase, etc. Among them, the piston is an important part of the engine, and it is a reciprocating part in the engine cylinder block. During the drilling process of the piston, its inner wall is easily adhered with impurities such as dust. The traditional cleaning method is mostly manual cleaning, which not only has low efficiency, but also the cleaning effect is difficult to guarantee. Therefore, a piston automatic cleaning device is needed to automatically clean the inner wall of the drilled piston to ensure that the cleanliness of the piston meets the standard requirements, thereby ensuring its service life. Summary of the Invention

[0003] The purpose of the present invention is to provide a piston automatic cleaning device for the above-mentioned existing technical problems, achieving the effect of automatically cleaning the inner wall of the piston.

[0004] In view of this, the present invention provides a piston automatic cleaning device. One side of the top of the bottom plate is provided with a hydraulic cylinder, the top of the hydraulic rod on the hydraulic cylinder is fixedly connected with a sliding rod, the bottom surface of one side of the sliding rod is fixedly connected with a mounting rod, the bottom of the mounting rod is fixedly connected with a limiting disc, and a support member is arranged at the bottom of the limiting disc;

[0005] Cleaning mechanism, a cleaning mechanism is arranged on the support member, and the cleaning mechanism includes a link mechanism arranged around the support member and a plurality of brush plates;

[0006] Placement mechanism, a placement mechanism is arranged on the top of the bottom plate;

[0007] Rotation mechanism, a rotation mechanism for driving the placement mechanism to rotate is arranged at the bottom of the bottom plate;

[0008] Fixing mechanism, fixing mechanisms are arranged on both sides of the placement mechanism.

[0009] In the above technical solution, further, the link mechanism includes a driving rod group and a connecting rod group;

[0010] The driving rod group includes:

[0011] A movable frame, the movable frame is a parallelogram connection structure hinged at four corners, and any two opposite corners of the movable frame are respectively oriented towards the support member and the brush plate;

[0012] A first driving rod, the first driving rod is connected to the first side at the lower left of the movable frame, and the first driving rod extends along the first side;

[0013] Slider. One end of the first driving rod away from the movable frame is hinged with a slider, and the slider is slidably and lockably adapted to the brush plate along the length direction of the support member.

[0014] Second driving rod. The second driving rod is connected to the second side on the upper left of the movable frame and extends along the second side. One end of the second driving rod away from the movable frame is hinged to the bottom of the side wall of the support member.

[0015] Third driving rod. The third driving rod is connected to the third side on the lower right of the movable frame and extends along the third side. One end of the third driving rod away from the movable frame is hinged to the top of the side wall of the brush plate.

[0016] The connecting rod group includes:

[0017] First connecting rod. One end of the first connecting rod is hinged to the top of the side wall of the support member, and the other end is hinged to the bottom diagonal of the movable frame.

[0018] Second connecting rod. One end of the second connecting rod is hinged to the bottom of the side wall of the brush plate, and the other end is hinged to the top diagonal of the movable frame.

[0019] In the above technical solution, further, the cleaning mechanism further includes:

[0020] Driving lead screw. The driving lead screw is axially locked and rotatably arranged on the support member. The axis of the driving lead screw is parallel to the moving direction of the slider, and the driving lead screw is threadedly adapted to the slider.

[0021] Fixed rod. A plurality of fixed rods are fixedly connected to the four corners of the top surface of the support member, and the top of the fixed rod is fixedly connected to the bottom of the limit disc.

[0022] In the above technical solution, further, the placement mechanism includes:

[0023] Placement disc. A placement disc is provided on the bottom plate.

[0024] Snap ring. A snap ring is rotatably arranged in the placement disc.

[0025] Snap block. A plurality of snap blocks are evenly and slidably arranged in the snap ring, and elastic members are connected between the snap blocks and the snap ring.

[0026] In the above technical solution, further, the fixing mechanism includes:

[0027] Fixed frame. Two groups of fixed frames are symmetrically arranged on the bottom plate.

[0028] Fixed plate. Fixed plates are slidably arranged on the fixed frames.

[0029] Wedge block. A wedge block is provided on one side of the fixed plate.

[0030] Spring. A spring is fixedly connected between the wedge block and the fixed frame, and the spring is sleeved outside the fixed plate.

[0031] The pressing rod, and the pressing rod is arranged on the side wall of the wedge block;

[0032] The lower pressing plate, the top of the pressing rod is fixedly connected with the lower pressing plate, and the lower pressing plate is fixedly connected with the sliding rod.

[0033] In the above technical solution, further, the rotating mechanism includes:

[0034] The connecting bar, and the connecting bar is fixedly connected to one side of the sliding rod;

[0035] The rack, and the rack is fixedly arranged at the bottom of the connecting bar;

[0036] The guide plate, and the guide plate is fixedly arranged at the bottom of the bottom plate;

[0037] The full-tooth gear, and the full-tooth gear is rotatably arranged on the guide plate, and the full-tooth gear meshes with the rack;

[0038] The first bevel gear, and the first bevel gear is arranged at the bottom of the snap ring;

[0039] The second bevel gear, and the second bevel gear is arranged on one side of the full-tooth gear, and the first bevel gear meshes with the second bevel gear.

[0040] In the above technical solution, further, a limiting rod is fixedly arranged on one side of the wedge block, a connecting plate is fixedly connected to the bottom plate, the limiting rod slides on the connecting plate, and a limiting plate is fixedly connected to one end of the limiting rod passing through the connecting plate.

[0041] In the above technical solution, further, the fixing plate is made of rubber material.

[0042] In the above technical solution, further, a bracket is arranged at the bottom of the bottom plate.

[0043] The beneficial effects of the present invention are:

[0044] 1. The cleaning mechanism includes a link mechanism and a plurality of brush plates arranged around the support member, and the brush plates clean the inner wall of the piston. The distance between the brush plates is adjusted by the link mechanism so that it can adapt to pistons of different models.

[0045] 2. During cleaning, the rotating mechanism can drive the placing mechanism to rotate, thereby driving the piston to rotate, and the inner wall of the piston can be cleaned under the action of the brush plates.

[0046] 3. During the downward movement of the sliding rod, it drives the lower pressing plate and the pressing rod to move downward. The downward movement of the pressing rod drives the wedge block and the fixing plate to move inward. The inward movement of the fixing plate can enclose the outer circumference of the piston but not contact it, preventing the piston from falling off during the process of the rotating mechanism rotating the piston. Description of the Drawings

[0047] Figure 1 is a schematic structural diagram of the present invention;

[0048] Figure 2 is a schematic structural diagram of the cleaning mechanism of the present invention;

[0049] Figure 3 is a schematic structural diagram of the link mechanism of the present invention;

[0050] Figure 4 is a schematic structural diagram of the placement mechanism of the present invention;

[0051] Figure 5 is a schematic structural diagram of the fixing mechanism of the present invention;

[0052] Figure 6 is a schematic structural diagram of the rotating mechanism of the present invention;

[0053] Figure 7 is a schematic structural diagram of the brush plate of the present invention;

[0054] The labels in the figure are represented as: 1 - bottom plate, 2 - hydraulic cylinder, 3 - slide bar, 4 - cleaning mechanism, 5 - placement mechanism, 6 - rotating mechanism, 7 - fixing mechanism, 8 - mounting rod, 9 - limiting disc, 10 - link mechanism, 11 - brush plate, 12 - driving rod group, 13 - connecting rod group, 14 - movable frame, 15 - support member, 16 - first driving rod, 17 - slider, 18 - second driving rod, 19 - third driving rod, 20 - first connecting rod, 21 - second connecting rod, 22 - driving lead screw, 23 - fixing rod, 24 - placement disc, 25 - snap ring, 26 - snap block, 27 - fixing frame, 28 - fixing plate, 29 - pressing rod, 30 - pressing rod, 31 - lower pressing plate, 32 - connecting strip, 33 - rack, 34 - guide plate, 35 - full-tooth gear, 36 - first bevel gear, 37 - second bevel gear, 38 - limiting rod, 39 - connecting plate, 40 - limiting plate, 41 - bracket, 42 - spring. Detailed implementation manners

[0055] Next, the technical solutions in the embodiments of the present application will be clearly described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope protected by the present application.

[0056] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments of the present application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn in actual proportional relationship. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and devices should be regarded as part of the authorization specification. In all the examples shown and discussed here, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0057] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects and are not used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally of the same category and do not limit the number of objects. For example, the first object can be one or multiple. In addition, "and / or" in the description and claims means at least one of the connected objects, and the character " / ", generally represents an "or" relationship between the associated objects before and after.

[0058] It should be noted that in the description of the present application, the orientation or positional relationships indicated by the orientation terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are generally based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Without contrary instructions, these orientation terms do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as limiting the protection scope of the present application; the orientation terms "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0059] It should be noted that in this application, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, article or device including such element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of this application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the reverse order according to the functions involved. For example, the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0060] Embodiment 1:

[0061] This embodiment provides a piston automatic cleaning device, including:

[0062] A bottom plate 1, on one side of the top of the bottom plate 1, there is a hydraulic cylinder 2. The top of the hydraulic rod on the hydraulic cylinder 2 is fixedly connected to a sliding rod 3. On the bottom surface of one side of the sliding rod 3, there is a fixedly connected mounting rod 8. At the bottom of the mounting rod 8, there is a fixedly connected limiting disc 9. At the bottom of the limiting disc 9, there is a support member 15;

[0063] A cleaning mechanism 4 is provided on the support member 15. The cleaning mechanism 4 includes a link mechanism 10 arranged around the support member 15 and a plurality of brush plates 11;

[0064] A placement mechanism 5 is arranged on the top of the bottom plate 1;

[0065] A rotating mechanism 6 is arranged at the bottom of the bottom plate 1 to drive the placement mechanism 5 to rotate;

[0066] Fixing mechanisms 7 are arranged on both sides of the placement mechanism 5.

[0067] As can be seen from this embodiment, a hydraulic cylinder 2 is provided on one side of the top of the bottom plate 1. The top of the hydraulic rod on the hydraulic cylinder 2 is fixedly connected to a sliding rod 3. The bottom surface of one side of the sliding rod 3 is fixedly connected to a mounting rod 8. The bottom of the mounting rod 8 is fixedly connected to a limiting disk 9. A support member 15 is provided at the bottom of the limiting disk 9. A cleaning mechanism 4 is provided on the support member 15. The cleaning mechanism includes a link mechanism 10 and a plurality of brush plates 11 arranged around the support member 15. The brush plates 11 clean the inner wall of the piston. The distance between the brush plates 11 is adjusted by the link mechanism 10 so that it can adapt to pistons of different models. A placement mechanism 5 is provided on the top of the bottom plate 1 for fixedly placing the piston to be cleaned. A rotating mechanism 6 is provided at the bottom of the bottom plate 1. During cleaning, the rotating mechanism 6 can drive the placement mechanism 5 to rotate, thereby driving the piston to rotate. Under the action of the brush plates 11, the inner wall of the piston can be cleaned. Fixed mechanisms 7 are provided on both sides of the placement mechanism 5. When cleaning the inner wall of the piston, it can protect the periphery of the piston to prevent the piston from detaching from the placement mechanism 5 during the rotation of the placement mechanism 5;

[0068] As Figure 7 shown, the length of the bristles on the brush plate 11 increases from both sides to the middle. In cooperation with the link mechanism 10, this bristle structure can ensure that the bristles can fit the inner wall of the piston regardless of the size of the piston.

[0069] Embodiment 2:

[0070] This embodiment provides an automatic piston cleaning device. In addition to including the technical solutions of the above embodiment, it also has the following technical features.

[0071] The link mechanism 10 includes a driving rod group 12 and a connecting rod group 13;

[0072] The driving rod group 12 includes:

[0073] A movable frame 14, the movable frame 14 is a parallelogram connection structure hinged at four corners, and any two opposite corners of the movable frame 14 face the support member 15 and the brush plate 11 respectively;

[0074] A first driving rod 16, the first driving rod 16 is connected to the first side at the lower left of the movable frame 14, and the first driving rod 16 extends along the first side;

[0075] A slider 17, one end of the first driving rod 16 away from the movable frame 14 is hinged to the slider 17, and the slider 17 is slidably and lockably adapted to the brush plate 11 along the length direction of the support member 15;

[0076] A second driving rod 18, the second driving rod 18 is connected to the second side at the upper left of the movable frame 14, and the second driving rod 18 extends along the second side. One end of the second driving rod 18 away from the movable frame 14 is hinged to the bottom of the side wall of the support member 15;

[0077] The third driving rod 19 is connected to the third side at the lower right of the movable frame 14. The third driving rod 19 extends along the third side, and the end of the third driving rod 19 away from the movable frame 14 is hinged to the top of the side wall of the brush plate 11.

[0078] The connecting rod group 13 includes:

[0079] The first connecting rod 20, one end of the first connecting rod 20 is hinged to the top of the side wall of the support member 15, and the other end is hinged to the bottom diagonal of the movable frame 14.

[0080] The second connecting rod 21, one end of the second connecting rod 21 is hinged to the bottom of the side wall of the brush plate 11, and the other end is hinged to the top diagonal of the movable frame 14.

[0081] It can be seen from this embodiment that as the slider 17 moves in the up and down direction, the movable frame 14 can expand and contract in the left and right directions by using the instability of the parallelogram, and then drive the brush plate 11 to move through the third driving rod 19, so as to adjust the distance between the support member 15 and the brush plate 11, so as to be able to adapt to pistons of different models; not only that, the first connecting rod 20 in the present invention can cooperate with the first driving rod 16 and the second driving rod 18 together when the slider 17 is locked, lock the shape of the movable frame 14, lock the relative position between the movable frame 14 and the support member 15, and lock the relative position between the movable frame 14 and the brush plate 11 through the cooperation between the second connecting rod 21 and the third driving rod 19. In this way, the relative position between the brush plate 11 and the support member 15 can be adjusted and locked according to the size of the inner wall of the piston, making the adjustment of the cleaning size of the brush plate 11 in the present invention more standardized.

[0082] Embodiment 3:

[0083] This embodiment provides a piston automatic cleaning device, which, in addition to including the technical solutions of the above embodiment, further has the following technical features.

[0084] The cleaning mechanism 4 further includes:

[0085] The driving lead screw 22 is axially locked and rotatably arranged on the support member 15. The axial direction of the driving lead screw 22 is parallel to the moving direction of the slider 17, and the driving lead screw 22 is threadedly adapted to the slider 17.

[0086] The fixed rod 23, several fixed rods 23 are fixedly connected to the four corners of the top surface of the support member 15, and the top of the fixed rod 23 is fixedly connected to the bottom of the limit disc 9.

[0087] It can be seen from this embodiment that several fixing rods 23 are fixedly connected to the four corners of the top surface of the support member 15, and the top of the fixing rod 23 is fixedly connected to the bottom of the limiting disc 9. By rotating the driving lead screw 22, the up and down movement of the slider 17 can be controlled, and then the expansion and contraction of the brush plate 11 can be controlled, which can adapt to pistons of different models. Moreover, the driving lead screw 24 has the ability of self-locking, which can prevent the slider 17 from moving up and down randomly on the support member 1.

[0088] Embodiment 4:

[0089] This embodiment provides an automatic piston cleaning device, which, in addition to including the technical solutions of the above embodiments, also has the following technical features.

[0090] The placing mechanism 5 includes:

[0091] A placing disc 24 is provided on the bottom plate 1;

[0092] A snap ring 25 is rotatably provided in the placing disc 24;

[0093] A plurality of clamping blocks 26 are evenly and slidably provided in the snap ring 25, and elastic members are connected between the clamping blocks 26 and the snap ring 25.

[0094] It can be seen from this embodiment that when the piston is placed in the snap ring 25, the piston can be clamped by the clamping blocks 26 under the action of the elastic members.

[0095] Embodiment 5:

[0096] This embodiment provides an automatic piston cleaning device, which, in addition to including the technical solutions of the above embodiments, also has the following technical features.

[0097] The fixing mechanism 7 includes:

[0098] Two groups of fixing frames 27 are symmetrically arranged on the bottom plate 1;

[0099] Fixing plates 28 are slidably provided on the fixing frames 27;

[0100] Wedge-shaped blocks 29 are provided on one side of the fixing plates 28;

[0101] Springs 42 are fixedly connected between the wedge-shaped blocks 29 and the fixing frames 27, and the springs 42 are sleeved outside the fixing plates 28;

[0102] Pressing rods 30 are provided on the side walls of the wedge-shaped blocks 29;

[0103] Lower pressing plates 31 are fixedly connected to the tops of the pressing rods 30, and the lower pressing plates 31 are fixedly connected to the sliding rods 3.

[0104] As can be seen from this embodiment, during the downward movement of the sliding rod 3, the lower pressing plate 31 and the lower pressing rod 30 are driven to move downward. The downward movement of the lower pressing rod 30 drives the wedge block 29 and the fixing plate 28 to move inward. The inward movement of the fixing plate 28 can enclose the outer periphery of the piston but not contact it, preventing the piston from falling off during the rotation of the piston by the rotating mechanism 6.

[0105] Embodiment 6:

[0106] This embodiment provides a piston automatic cleaning device. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0107] The rotating mechanism 6 includes:

[0108] A connecting bar 32, which is fixedly connected to one side of the sliding rod 3;

[0109] A rack 33, which is fixedly provided at the bottom of the connecting bar 32;

[0110] A guide plate 34, which is fixedly provided at the bottom of the bottom plate 1;

[0111] A full-tooth gear 35, which is rotatably provided on the guide plate 34, and the full-tooth gear 35 meshes with the rack 33;

[0112] A first bevel gear 36, which is provided at the bottom of the snap ring 25;

[0113] A second bevel gear 37, which is provided on one side of the full-tooth gear 35, and the first bevel gear 36 meshes with the second bevel gear 37.

[0114] As can be seen from this embodiment, during the downward movement of the sliding rod 3, the connecting bar 32 and the rack 33 are also driven to move downward. The downward movement of the rack 33 drives the full-tooth gear 35 to rotate. The rotation of the full-tooth gear 35 drives the snap ring 25 to rotate through the first bevel gear 36 and the second bevel gear 37. When the brush plate 11 moves downward to contact the inner wall of the piston, the cleaning work can be carried out. When necessary, a cleaning agent can be added inside the piston to improve the cleaning effect. The hydraulic cylinder 2 can control the hydraulic rod to drive the sliding rod 3 to move up and down, so that the piston can be rotated in the reverse direction and brushed multiple times. Repeating this several times can brush the inner wall of the piston clean, without the need for the staff to manually rotate the snap ring 25, saving labor.

[0115] Embodiment 7:

[0116] This embodiment provides a piston automatic cleaning device. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0117] A limiting rod 38 is fixedly arranged on one side of the wedge block 29, a connecting plate 39 is fixedly connected to the bottom plate 1, the limiting rod 38 slides on the connecting plate 39, and a limiting plate 40 is fixedly connected to one end of the limiting rod 38 passing through the connecting plate 39.

[0118] As can be seen from this embodiment, a limiting rod 38 is fixedly arranged on one side of the wedge block 29, a connecting plate 39 is fixedly connected to the bottom plate 1, the limiting rod 38 slides on the connecting plate 39, and a limiting plate 40 is fixedly connected to one end of the limiting rod 38 passing through the connecting plate 39, which can limit the vertical direction of the wedge block 29 and prevent the wedge block 29 from being misaligned when the pressing rod 30 moves downward to drive the wedge block 29 to move inward.

[0119] Embodiment 8:

[0120] This embodiment provides a piston automatic cleaning device. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0121] The fixing plate 28 is made of rubber.

[0122] As can be seen from this embodiment, the fixing plate 28 is made of rubber.

[0123] Embodiment 9:

[0124] This embodiment provides a piston automatic cleaning device. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0125] A bracket 41 is arranged at the bottom of the bottom plate 1.

[0126] As can be seen from this embodiment, a bracket 41 is arranged at the bottom of the bottom plate 1 to support the whole device.

[0127] Working principle: When the inner wall of the piston needs to be cleaned after drilling, according to the size of the inner wall of the piston, by rotating the driving lead screw 22, the up and down movement of the slider 17 can be controlled, and then the expansion and contraction of the brush plate 11 can be controlled. When the distance between the brush plates 11 is adjusted to be able to clean the inner wall of the piston to be cleaned, place the piston in the snap ring 25, and under the action of the elastic member, the piston can be clamped by the clamping block 26. Then start the hydraulic cylinder 2 to drive the hydraulic rod to move downward, the hydraulic rod drives the sliding rod 3 to move downward, so that the brush plate 11 can contact the inner wall of the piston to clean the dust on the inner wall of the piston. During the downward movement of the sliding rod 3, the connecting strip 32 and the rack 33 are also driven to move downward. The downward movement of the rack 33 drives the full-tooth gear 35 to rotate. The rotation of the full-tooth gear 35 drives the snap ring 25 to rotate through the first bevel gear 36 and the second bevel gear 37. The hydraulic cylinder 2 can control the hydraulic rod to drive the sliding rod 3 to move up and down, so that the piston can be rotated and brushed in the reverse direction for multiple times. Repeating this several times can clean the inner wall of the piston. There is no need for the staff to manually rotate the snap ring 25, saving labor;

[0128] During the downward movement of the sliding rod 3, the lower pressing plate 31 and the lower pressing rod 30 are driven to move downward. The downward movement of the lower pressing rod 30 drives the wedge-shaped block 29 and the fixing plate 28 to move inward. The inward movement of the fixing plate 28 can enclose the outer periphery of the piston but not contact it, preventing the piston from falling off during the process of the snap ring 25 rotating the piston.

[0129] The embodiments of the present application have been described above in conjunction with the accompanying drawings. Without conflict, the embodiments and the features in the embodiments in the present application can be combined with each other. The present application is not limited to the above specific implementation manners. The above specific implementation manners are merely illustrative rather than restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all of them belong to the protection scope of the present application.

Claims

1. A piston automatic cleaning device, characterized in that: include: A bottom plate (1), wherein a hydraulic cylinder (2) is provided on one side of the top of the bottom plate (1), a sliding rod (3) is fixedly connected to the top of the hydraulic rod on the hydraulic cylinder (2), a mounting rod (8) is fixedly connected to the bottom surface of one side of the sliding rod (3), a limiting plate (9) is fixedly connected to the bottom of the mounting rod (8), and a supporting member (15) is provided at the bottom of the limiting plate (9); A cleaning mechanism (4), wherein the support member (15) is provided with the cleaning mechanism (4), and the cleaning mechanism (4) comprises a connecting rod mechanism (10) and a plurality of brush plates (11) arranged around the support member (15); A placing mechanism (5), wherein the top of the base plate (1) is provided with a placing mechanism (5); A rotating mechanism (6), wherein a rotating mechanism (6) is provided at the bottom of the base plate (1) and drives the placement mechanism (5) to rotate; A fixing mechanism (7), wherein fixing mechanisms (7) are arranged on both sides of the placement mechanism (5).

2. The automatic piston cleaning device according to claim 1, characterized in that: The connecting rod mechanism (10) comprises a driving rod group (12) and a connecting rod group (13); The driving rod group (12) comprises: A movable frame (14), wherein the movable frame (14) is a parallelogram connection structure with four hinged corners, and any two diagonal corners of the movable frame (14) are respectively oriented toward the support member (15) and the brush plate (11); A first driving rod (16), the first driving rod (16) being connected to a first side edge at the lower left of the movable frame (14), and the first driving rod (16) extending along the first side edge; A slider (17), wherein one end of the first driving rod (16) away from the movable frame (14) is hingedly connected with the slider (17), and the slider (17) is lockably slidable along the length direction of the support member (15) and is adapted to fit the brush plate (11); A second driving rod (18), the second driving rod (18) is connected to a second side edge at the upper left of the movable frame (14), and the second driving rod (18) extends along the second side edge, and one end of the second driving rod (18) away from the movable frame (14) is hinged to the bottom of the side wall of the support member (15); A third driving rod (19), the third driving rod (19) being connected to a third side edge at the lower right side of the movable frame (14), the third driving rod (19) extending along the third side edge, and one end of the third driving rod (19) away from the movable frame (14) being hinged to the top of the side wall of the brush plate (11); The connecting rod group (13) comprises: A first connecting rod (20), one end of the first connecting rod (20) being hinged to the top of the side wall of the support member (15), and the other end of the first connecting rod (20) being hinged to the bottom diagonal of the movable frame (14); A second connecting rod (21), one end of the second connecting rod (21) is hinged to the bottom of the side wall of the brush plate (11), and the other end is hinged to the top diagonal of the movable frame (14).

3. The automatic piston cleaning device according to claim 2, characterized in that: The cleaning mechanism (4) further comprises: A driving screw (22), the driving screw (22) being axially locked and rotatably arranged on the support member (15), the axial direction of the driving screw (22) being parallel to the moving direction of the slider (17), and the driving screw (22) being threadably matched with the slider (17); Fixed rods (23), a plurality of fixed rods (23) are fixedly connected at the four corners of the top surface of the support member (15), and the top of the fixed rod (23) is fixedly connected to the bottom of the limiting plate (9).

4. The automatic piston cleaning device according to claim 1, characterized in that: The placing mechanism (5) comprises: A placement tray (24), wherein the bottom plate (1) is provided with a placement tray (24); A snap ring (25), wherein the placement plate (24) is rotatably provided with a snap ring (25); A clamping block (26), wherein a plurality of clamping blocks (26) are evenly and slidably arranged in the clamping ring (25), and an elastic member is connected between the clamping block (26) and the clamping ring (25).

5. The automatic piston cleaning device according to claim 1, characterized in that: The fixing mechanism (7) comprises: A fixing frame (27), wherein two sets of fixing frames (27) are symmetrically arranged on the bottom plate (1); A fixing plate (28), wherein the fixing frame (27) is slidably provided with a fixing plate (28); A wedge block (29), one side of the fixing plate (28) is provided with a wedge block (29) A spring (42), wherein the wedge block (29) and the fixing frame (27) are fixedly connected with the spring (42), and the spring (42) is sleeved on the outside of the fixing plate (28); A pressing rod (30), the side wall of the wedge block (29) is provided with a pressing rod (30); A lower pressing plate (31), the top of the lower pressing rod (30) is fixedly connected with the lower pressing plate (31), and the lower pressing plate (31) is fixedly connected to the sliding rod (3).

6. The automatic piston cleaning device according to claim 4, characterized in that: The rotating mechanism (6) comprises: A connecting bar (32), one side of the slide bar (3) being fixedly connected to the connecting bar (32); A rack (33), the bottom of the connecting bar (32) is fixedly provided with a rack (33); A guide plate (34), wherein the bottom of the base plate (1) is fixedly provided with a guide plate (34); A full-tooth gear (35), the guide plate (34) is rotatably provided with the full-tooth gear (35), and the full-tooth gear (35) is meshed with the rack (33); A first bevel gear (36), wherein the bottom of the snap ring (25) is provided with a first bevel gear (36); A second bevel gear (37), a second bevel gear (37) is provided on one side of the full-tooth gear (35), and the first bevel gear (36) is meshed with the second bevel gear (37).

7. The automatic piston cleaning device according to claim 5, characterized in that: A limiting rod (38) is fixedly provided on one side of the wedge block (29), a connecting plate (39) is fixedly connected to the bottom plate (1), the limiting rod (38) slides on the connecting plate (39), and one end of the limiting rod (38) passes through the connecting plate (39) and is fixedly connected to the limiting plate (40).

8. The automatic piston cleaning device according to claim 5, characterized in that: The fixing plate (28) is made of rubber.

9. The automatic piston cleaning device according to claim 1, characterized in that: A bracket (41) is provided at the bottom of the base plate (1).

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