CN217169915U

CN217169915U - Old and useless paint kettle compressor arrangement

Info

Publication number: CN217169915U
Application number: CN202220763988.7U
Authority: CN
Inventors: 焦玉清; 刘保; 文翰; 虞甫; 徐中生; 刘爱华
Original assignee: China Petroleum and Chemical Corp; Sinopec Zhongyuan Oilfield Co Puguang Branch
Current assignee: China Petroleum and Chemical Corp; Sinopec Zhongyuan Oilfield Co Puguang Branch
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-12
Anticipated expiration: 2032-04-02

Abstract

The utility model relates to a technical field for device of compaction waste metal especially relates to an old and useless paint kettle compressor arrangement. The waste paint bucket compression device comprises a rack, a first plate body, a second plate body and a hydraulic system, wherein a paint bucket placing container is arranged on the second plate body, the paint bucket placing container is provided with a containing groove, the containing groove is used for placing a paint bucket, the first plate body is used for extending into the containing groove and compressing the paint bucket, the first plate body and/or the second plate body are movable plate bodies capable of moving up and down relative to the rack, and the hydraulic system drives the movable plate bodies to move up and down to compress the paint bucket in the containing groove; old and useless paint kettle compressor arrangement still includes the recovery pipeline of recovery container, intercommunication holding tank and recovery container, and the paint in the holding tank flows to the recovery container through the recovery pipeline in, the in-process of compression paint kettle, and the cell wall of holding tank can block splashing all around of remaining paint, has alleviateed injury to the staff and the pollution to the environment.

Description

Old and useless paint kettle compressor arrangement

Technical Field

The utility model relates to a technical field for device of compaction waste metal especially relates to an old and useless paint kettle compressor arrangement.

Background

At present, various kinds of paint are used for carrying out anticorrosion treatment on equipment and pipelines in enterprises of large and medium-sized chemical industry, smelting, thermal power generation and the like, and the generated waste paint buckets are used as hazardous wastes and need to be recycled in a unified mode. The waste paint bucket occupies a large amount of space in the storage and transportation processes, increases the hazardous waste treatment cost, and is not beneficial to the economic operation of enterprises.

In order to reduce the volume of the paint bucket and reduce the transportation and treatment cost, the waste paint bucket needs to be compressed. Traditional compression to old and useless paint kettle uses artifical manual compression as the main, and unable abundant compression empty bucket, surplus paint can't retrieve completely in the bucket, has the potential safety hazard to artifical intensity of labour is big, can not realize large-scale abandonment paint kettle compression.

Chinese utility model patent that the bulletin number is CN215704321U discloses a paint bucket flatting mill, paint bucket flatting mill includes hydraulic cylinder, and hydraulic cylinder is fixed in the frame top, and hydraulic cylinder fixedly connected with top board, the below edge of top board are provided with the locating piece, and the bottom of frame is provided with the collecting tray, and the intercommunication has the cistern between collecting tray and the circular suppression base, and the circular suppression base is fixed in the top of collecting tray through the spud pile. During the operation of the paint bucket compressor, the upper pressing plate moves downwards under the driving of the hydraulic oil cylinder, the upper pressing plate and the circular pressing base are matched to extrude the paint bucket, residual liquid in the paint bucket is extruded out and flows into the collecting disc from the flow guide groove, and the residual liquid can be timely collected and cleaned.

Above-mentioned paint bucket flatting mill is a compressor arrangement who is used for compressing paint kettle, and the device can realize the compression to paint kettle and the concentrated recovery to the remaining paint of paint kettle, but the device still has following problem: in the compression and extrusion process of the paint bucket, the phenomenon that residual paint is splashed from the bucket opening or the damaged side part of the paint bucket due to the fact that the residual paint is excessively extruded can occur, and the splashed paint can be splashed onto the body of a worker and the ground to cause environmental pollution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an old and useless paint kettle compressor arrangement for the compressor arrangement who solves the paint kettle easily appears remaining paint splash and causes environmental pollution's technical problem at the in-process of compression paint kettle.

The utility model discloses an old and useless paint kettle compressor arrangement's technical scheme is:

the waste paint bucket compression device comprises a rack, a first plate body and a second plate body which are sequentially arranged on the rack along the vertical direction, and further comprises a hydraulic system, wherein a paint bucket placing container is arranged on the second plate body, the paint bucket placing container is provided with a containing groove with an upward notch, the containing groove is used for placing a paint bucket, the first plate body is used for extending into the containing groove and compressing the paint bucket, the first plate body and/or the second plate body are movable plate bodies capable of moving up and down relative to the rack, and the hydraulic system drives the movable plate bodies to move up and down to compress the paint buckets in the containing groove; old and useless paint kettle compressor arrangement still includes recovery container, intercommunication holding tank and recovery container's recovery pipeline, and the paint in the holding tank flows to the recovery container in through the recovery pipeline.

Has the advantages that: when old and useless paint kettle compressor arrangement used, put into the holding tank with the paint kettle earlier, under hydraulic system's drive, relative motion can take place for first plate body and second plate body, and the first plate body stretches into the holding tank and compresses paint kettle to flat state, and remaining paint can get into the recovery container through the recovery pipeline in the paint kettle to in the unified processing to remaining paint. In addition, at the in-process of compression paint kettle, can appear extrudeing too violently and lead to the phenomenon that residual paint from the bung hole of paint kettle or damaged lateral part spill, the cell wall of holding tank can block splashing about of residual paint, prevents effectively that paint from splashing staff and subaerial, has alleviateed the injury to staff and the pollution to the environment.

Furthermore, the hydraulic system comprises a first hydraulic cylinder arranged on the frame, and the first plate body is fixedly arranged on the telescopic end of the first hydraulic cylinder to move up and down relative to the frame.

Has the advantages that: the first plate body is installed in the frame through first pneumatic cylinder, only needs firmly to install first pneumatic cylinder in the frame can realize reciprocating of first plate body for the frame, need not set up corresponding guide rail isotructure for the removal of first plate body in the frame, and the overall structure of frame is comparatively simple.

Further, the horizontal direction of first pneumatic cylinder removes to be installed at the top of frame, and the top of frame still is provided with the cylinder body actuating mechanism that the first pneumatic cylinder of drive removed, through adjusting the position of first pneumatic cylinder horizontal direction in the frame to make first plate body dodge the paint kettle when placing the paint kettle in to the holding tank.

Has the beneficial effects that: through the position of adjustment first plate body horizontal direction for holding tank notch is kept away to first plate body, the putting into of the paint kettle of the great volume of being convenient for.

Further, the cylinder body driving mechanism is a screw nut mechanism, the screw nut mechanism comprises a screw rotatably mounted on the rack and a transmission nut fixed on the first hydraulic cylinder, and the first hydraulic cylinder fixed with the transmission nut moves along the extending direction of the screw by driving the screw to rotate.

Has the advantages that: the position of the first plate body is adjusted through the nut and screw mechanism, the structure is simple, and the operation is convenient.

Furthermore, a rotating handle is installed at one end of the screw rod.

Has the advantages that: the screw rod is driven to rotate by rotating the handle, so that the operation is more convenient.

Furthermore, the second plate body is assembled on the frame in a sliding mode along the up-down direction, a guide rail matched with the second plate body in a guiding mode is arranged on the frame, and the hydraulic system comprises a second hydraulic cylinder used for driving the second plate body to move up and down.

Has the advantages that: the second plate body is in the in-process of up-and-down motion, and the guide effect of guide rail to the second plate body makes the motion of second plate body more steady reliable.

Further, the frame includes the box of the cuboid that seals all around, is provided with the mouth of placing that is used for placing the paint kettle on the side of box.

Has the advantages that: the frame adopts this kind of structural style, simple structure, the processing of being convenient for.

Furthermore, the first plate body and the second plate body are both movable plate bodies, and the hydraulic system comprises a first hydraulic cylinder for driving the first plate body to move up and down and a second hydraulic cylinder for driving the second plate body to move up and down; the hydraulic system further comprises a first control oil way for controlling the first hydraulic cylinder to act and a second control oil way for controlling the second hydraulic cylinder to act, and the first control oil way and the second control oil way are both provided with manual hydraulic pumps.

Has the advantages that: the hydraulic cylinder is driven to move by the manual hydraulic pump, an electric hydraulic pump is not needed, and cost is saved.

Furthermore, a control handle is rotatably installed on the rack, manual hydraulic pumps on the two control oil paths are defined as a first manual hydraulic pump and a second manual hydraulic pump respectively, the control handle is connected with the first manual hydraulic pump and the second manual hydraulic pump simultaneously, the control handle controls the first manual hydraulic pump to absorb oil and the second manual hydraulic pump to pump oil when swinging in the forward direction, and controls the first manual hydraulic pump to absorb oil and the second manual hydraulic pump to absorb oil when swinging in the reverse direction.

Has the advantages that: in the process of forward and reverse swinging of the control handle, the first control oil path and the second control oil path alternately drive the corresponding hydraulic cylinders, and the efficiency is high.

Further, the first control oil passage and the second control oil passage share one oil tank.

Has the advantages that: two control oil circuit sharing an oil tank, comparatively save cost.

Drawings

Fig. 1 is a schematic view of the overall structure of an embodiment 1 of the waste paint bucket compressing device (when the first plate and the second plate are not in motion) of the present invention;

fig. 2 is the structure schematic diagram of the waste paint bucket compression device of the present invention after hiding the first control oil path and the second control oil path (when the first plate body and the second plate body move in opposite directions) in embodiment 1.

Description of reference numerals: 1. a frame; 2. a first hydraulic cylinder; 3. a second hydraulic cylinder; 4. a first plate body; 5. a second plate body; 6. a paint bucket placing container; 7. a recovery vessel; 8. a recovery pipeline; 9. a box body; 10. a support plate; 11. a second plate body guide rail; 12. rotating the handle; 13. an oil tank; 14. a first oil inlet pipeline; 15. a first oil return line; 16. a first hydraulic oil storage chamber; 17. a first manual hydraulic pump; 18. a pressure gauge; 19. a pressure relief knob; 20. a one-way valve; 21. an oil return valve; 22. a second oil inlet pipeline; 23. a second oil return line; 24. a second hydraulic oil storage chamber; 25. a second manual hydraulic pump; 26. a control handle; 27. a connecting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that, in the embodiments of the present invention, relational terms such as "first" and "second", and the like, which may be present in the embodiments, are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that such actual relationships or sequences between the entities or operations exist. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the appearances of the phrase "comprising an … …" or similar limitation may be present without necessarily excluding the presence of additional identical elements in the process, method, article, or apparatus that comprises the same elements.

In the description of the present invention, unless otherwise explicitly specified or limited, terms such as "mounted," "connected," and "connected" that may be present are to be construed broadly, e.g., as a fixed connection, a releasable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

The present invention will be described in further detail with reference to examples.

The utility model discloses in the old and useless paint kettle compressor arrangement that provides embodiment 1:

as shown in fig. 1 and fig. 2, old and useless paint kettle compressor arrangement includes frame 1, first plate body 4 and second plate body 5 along the upper and lower direction of arranging in proper order in frame 1, fix the paint kettle on second plate body 5 and place container 6, be located the recovery container 7 that container 6 downside was placed to the paint kettle, the recovery pipeline 8 that container 6 was placed to intercommunication recovery container 7 and paint kettle, still include hydraulic system, hydraulic system is including the first pneumatic cylinder 2 that is located frame 1 top and the second pneumatic cylinder 3 that is located frame 1 bottom, the first plate body 4 up-and-down motion of first pneumatic cylinder 2 drive, the second plate body 5 up-and-down motion of 3 drive of second pneumatic cylinder, first plate body 4 and second plate body 5 are the activity plate body that can reciprocate for frame 1.

Paint kettle places container 6 and is circular tubular structure and have the ascending holding tank of opening, and the holding tank is used for placing paint kettle, and recovery container 7 specifically is the cask that is used for saving paint, and recovery pipeline 8 is flexible deformation's hose, and recovery pipeline 8's upper end intercommunication holding tank, lower extreme intercommunication recovery container 7. Old and useless paint kettle compressor arrangement during operation, first plate body 4 downstream, second plate body 5 upward movement, the extrusion force that first plate body 4 and first plate body 4 produced in opposite directions move the paint kettle compression that will be located the holding tank until flattening, and remaining paint can get into recovery container 7 through recovery pipeline 8 in the paint kettle to in unified the processing to remaining paint. At the in-process of compression paint kettle, can appear extrudeing too violently and lead to the phenomenon that residual paint from the bung hole of paint kettle or damaged lateral part spill, the cell wall of holding tank can block the splash of residual paint this moment, prevents effectively that paint from splashing staff and subaerial, has alleviateed the injury to staff and the pollution to the environment.

Frame 1 includes the box 9 of confined cuboid all around, is provided with the mouth of placing that is used for putting into the paint kettle on the side of box 9, and box 9 internal fixation has backup pad 10, and second pneumatic cylinder 3 is fixed in backup pad 10, and second plate body 5 fixed connection is served in the flexible of second pneumatic cylinder 3. In order to make the up-and-down motion process of the second plate body 5 more stable, two symmetrically arranged second plate body guide rails 11 are arranged on the frame 1, the second plate body guide rails 11 extend along the up-and-down direction, correspondingly, sliding grooves matched with the second plate body guide rails 11 are correspondingly arranged on the second plate body 5, the second plate body 5 is movably installed on the second plate body guide rails 11 through the sliding groove guide, and the second plate body 5 is in the up-and-down motion process, so that the motion of the second plate body 5 is more stable and reliable due to the guide effect of the second plate body guide rails 11 on the second plate body 5.

When putting into paint kettle from the mouth of placing of one side of box 9 and placing container 6 with the paint kettle, for the convenience of putting into of paint kettle, avoid paint kettle and first plate body 4 to take place to interfere, in this embodiment, the top at frame 1 is installed in the removal of first pneumatic cylinder 2 horizontal direction. Specifically, a hydraulic cylinder guide rail horizontally extending from left to right is arranged at the top of the rack 1, the first hydraulic cylinder 2 is movably installed on the hydraulic cylinder guide rail in a guiding manner, a screw nut mechanism for driving the first hydraulic cylinder 2 to move left and right is further arranged at the top of the rack 1, the screw nut mechanism forms a cylinder body driving mechanism for driving the first hydraulic cylinder 2 to move, the screw nut mechanism comprises a screw rod and a transmission nut, the screw rod extends from left to right and is rotatably installed at the top of the rack 1, the transmission nut is fixed on the first hydraulic cylinder 2, the extending direction of the screw rod is parallel to the extending direction of the hydraulic cylinder guide rail, and in addition, a rotating handle 12 is fixed at one end of the screw rod. When the paint bucket is required to be placed in the paint bucket placing container 6, the rotating handle 12 is rotated to drive the lead screw to rotate, the rotating lead screw drives the transmission nut to move left and right along the lead screw, and then the first plate body 4 fixed with the first hydraulic cylinder 2 is driven to move left and right, so that the first plate body 4 avoids the accommodating groove opening of the paint bucket placing container 6, and the paint bucket is convenient to place. In other embodiments, the cylinder driving mechanism may also adopt a mechanism such as an electric push rod, a hydraulic cylinder and the like.

The hydraulic system further comprises an oil tank 13 positioned outside the frame 1, a first control oil path for controlling the first hydraulic cylinder 2 to act, and a second control oil path for controlling the second hydraulic cylinder 3 to act. The oil tank 13 is used for storing hydraulic oil, the first control oil path includes a first oil inlet pipeline 14, a first oil return pipeline 15 and a first hydraulic oil storage cavity 16 fixed on the first hydraulic cylinder 2, the first hydraulic oil storage cavity 16 is communicated with the first hydraulic cylinder 2, the first oil inlet pipeline 14 is communicated with the oil tank 13 and the first hydraulic oil storage cavity 16, the first oil return pipeline 15 is communicated with the oil tank 13 and the first hydraulic oil storage cavity 16, and a first manual hydraulic pump 17 is arranged on the first oil inlet pipeline 14, a pressure relief knob 19 is arranged on the first manual hydraulic pump 17, in addition, a check valve 20 is arranged on the first oil inlet pipeline 14, and an oil return valve 21 is arranged on the first oil return pipeline 15. Similarly, the second control oil path includes a second oil inlet pipeline 22, a second oil return pipeline 23, a second hydraulic oil storage chamber 24 fixed to the second hydraulic cylinder 3, and a second manual hydraulic pump 25 disposed in the second oil inlet pipeline 22, and the structure of the second control oil path is the same as that of the first control oil path, and will not be described herein again.

A control handle 26 is hinged to the frame 1, the control handle 26 is connected to the first manual hydraulic pump 17 and the second manual hydraulic pump 25 via a link 27, and the control handle 26 controls the first manual hydraulic pump 17 to suck oil and the second manual hydraulic pump 25 to pump oil when swinging in the forward direction and controls the first manual hydraulic pump 17 to pump oil and the second manual hydraulic pump 25 to suck oil when swinging in the reverse direction. In the process of forward and backward reciprocating swing of the control handle 26, the first oil inlet pipeline 14 and the second oil inlet pipeline 22 alternately supply oil to the corresponding hydraulic oil storage cavities, and because the oil return valves 21 in the two oil return pipelines are in a closed state, and under the action of the check valves 20 of the two oil inlet pipelines, the pressure of the hydraulic oil entering the hydraulic oil storage cavities is gradually increased and drives the corresponding first hydraulic cylinders 2 and the corresponding second hydraulic cylinders 3 to act, so that the first plate bodies 4 and the second plate bodies 5 are driven to move oppositely, and the compression of the paint bucket is realized. It should be noted that the forward and reverse directions are only relative concepts.

After the compression of the paint bucket is completed, the pressure relief knobs 19 on the first manual hydraulic pump 17 and the second manual hydraulic pump 25 are screwed, the oil return valves 21 on the first oil return pipeline 15 and the second oil return pipeline 23 are opened, hydraulic oil can return to the oil tank 13 through the two oil return pipelines, and the first plate body 4 and the second plate body 5 are reset accordingly.

In addition, pressure gauges 18 are provided on both the first hydraulic oil storage chamber 16 and the second hydraulic oil storage chamber 24 for observing whether the pressure is normal or not, so as to facilitate troubleshooting.

The utility model discloses an old and useless paint kettle compressor arrangement's use as follows:

the oil return valves 21 on the first oil return pipeline 15 and the second oil return pipeline 23 are adjusted to be in a closed state, the paint bucket is placed in the paint bucket placing container 6, the control handle 26 is driven to reciprocate, the first plate body 4 and the second plate body 5 move oppositely to compress the paint bucket, then the oil return valves 21 on the first oil return pipeline 15 and the second oil return pipeline 23 are adjusted to be in an open state, the pressure relief knob 19 is screwed, the first plate body 4 and the second plate body 5 reset, the flattened paint bucket is taken out, the whole compression process of the paint bucket is completed at the moment, if a large number of paint buckets need to be compressed, the paint bucket is placed again, and the steps are repeated.

The utility model discloses in the old and useless paint kettle compressor arrangement's that provides embodiment 2, different from embodiment 1 is, in this example, first plate body is fixed in the frame, and the second plate body can be for frame up-and-down motion by the pneumatic cylinder drive. Alternatively, in other embodiments, the second plate may be fixed to the frame, and the first plate may be driven by a hydraulic cylinder to move up and down relative to the frame.

The utility model discloses in the old and useless paint kettle compressor arrangement's that provides embodiment 3, different with embodiment 1 is, in this implementation, does not set up second plate body guide rail in the frame, and the second plate body is only fixed with the output of second pneumatic cylinder. Or in other embodiments, a plurality of second hydraulic cylinders are fixed on the supporting plate, the output ends of the second hydraulic cylinders are all fixed with the second plate body, and the output ends of the second hydraulic cylinders are uniformly distributed on the second plate body.

The utility model discloses in the old and useless paint kettle compressor arrangement's that provides embodiment 4, different from embodiment 1 is that first control oil circuit and second control oil all are provided with the electronic hydraulic pump on the road, through the flow of controlling hydraulic oil in the electronic hydraulic pump drive control oil circuit.

The utility model discloses in the old and useless paint kettle compressor arrangement's that provides embodiment 5, different from embodiment 1 is that, does not set up brake valve lever in the frame, all is provided with operating handle on first manual hydraulic pump and the manual hydraulic pump of second, in this embodiment, need control two oil control ways respectively through the operating handle on first manual hydraulic pump and the manual hydraulic pump of second.

The utility model discloses in the old and useless paint kettle compressor arrangement's that provides embodiment 6, different with embodiment 1 is, in this embodiment, the frame is the frame construction of cuboid for whole.

The utility model discloses in the old and useless paint kettle compressor arrangement's that provides embodiment 7, different from embodiment 1, first control oil circuit and second control oil circuit correspond respectively and are provided with an oil tank.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. A waste paint bucket compression device comprises a rack (1), and a first plate body (4) and a second plate body (5) which are sequentially arranged on the rack (1) along the vertical direction, and further comprises a hydraulic system, and is characterized in that a paint bucket placing container (6) is arranged on the second plate body (5), the paint bucket placing container (6) is provided with an accommodating groove with an upward notch, the accommodating groove is used for placing a paint bucket, the first plate body (4) is used for extending into the accommodating groove and compressing the paint bucket, the first plate body (4) and/or the second plate body (5) are movable plate bodies which can move up and down relative to the rack (1), and the hydraulic system drives the movable plate bodies to move up and down to compress the paint bucket in the accommodating groove; old and useless paint kettle compressor arrangement still includes recovery vessel (7), intercommunication holding tank and recovery pipeline (8) of recovery vessel (7), and the paint in the holding tank flows to recovery vessel (7) in through recovery pipeline (8).

2. The waste paint bucket compression device as claimed in claim 1, characterized in that the hydraulic system comprises a first hydraulic cylinder (2) arranged on the frame (1), and the first plate body (4) is fixedly arranged on the telescopic end of the first hydraulic cylinder (2) so as to move up and down relative to the frame (1).

3. The waste paint bucket compression device as claimed in claim 2, wherein the first hydraulic cylinder (2) is horizontally movably mounted at the top of the machine frame (1), the top of the machine frame (1) is further provided with a cylinder driving mechanism for driving the first hydraulic cylinder (2) to move, and the position of the first hydraulic cylinder (2) in the horizontal direction on the machine frame (1) is adjusted to enable the first plate body (4) to be avoided from the paint bucket when the paint bucket is placed into the accommodating groove.

4. The used paint bucket compression device as claimed in claim 3, characterised in that the cylinder body driving mechanism is a lead screw-nut mechanism comprising a lead screw rotatably mounted on the frame (1) and a drive nut fixed to the first hydraulic cylinder (2), the lead screw being driven to rotate so as to move the first hydraulic cylinder (2) fixed to the drive nut in the direction of extension of the lead screw.

5. The waste paint bucket compression device as claimed in claim 4, characterised in that one end of the lead screw is fitted with a rotating handle (12).

6. The waste paint bucket compression device as claimed in any one of claims 1 to 5, wherein the second plate body (5) is slidably mounted on the frame (1) in an up-and-down direction, the frame (1) is provided with a guide rail which is in guiding fit with the second plate body (5), and the hydraulic system comprises a second hydraulic cylinder (3) for driving the second plate body (5) to move up and down.

7. The waste paint bucket compression device as claimed in any one of claims 1 to 5, wherein the machine frame (1) comprises a rectangular box body (9) with a closed periphery, and a placing opening for placing a paint bucket is formed in the side surface of the box body (9).

8. The waste paint bucket compression device as claimed in claim 1, wherein the first plate body (4) and the second plate body (5) are movable plate bodies, and the hydraulic system comprises a first hydraulic cylinder (2) for driving the first plate body (4) to move up and down and a second hydraulic cylinder (3) for driving the second plate body (5) to move up and down; the hydraulic system further comprises a first control oil way for controlling the first hydraulic cylinder (2) to move and a second control oil way for controlling the second hydraulic cylinder (3) to move, and the first control oil way and the second control oil way are both provided with manual hydraulic pumps.

9. The waste paint bucket compression device as claimed in claim 8, wherein a control handle (26) is rotatably mounted on the frame (1), the manual hydraulic pumps on the two control oil paths are defined as a first manual hydraulic pump (17) and a second manual hydraulic pump (25), the control handle (26) is connected with the first manual hydraulic pump (17) and the second manual hydraulic pump (25), the control handle (26) controls the first manual hydraulic pump (17) to suck oil and the second manual hydraulic pump (25) to pump oil when swinging in a forward direction, and controls the first manual hydraulic pump (17) to pump oil and the second manual hydraulic pump (25) to suck oil when swinging in a reverse direction.

10. The used paint bucket compression device as claimed in claim 8, wherein the first control oil path and the second control oil path share a common oil tank (13).