阅读说明：本技术 一种三缸压块机用快速液压系统 (Quick hydraulic system for three-cylinder briquetting machine ) 是由 王明宇 刘康硕 王强 于 2021-08-13 设计创作，主要内容包括：一种三缸压块机用快速液压系统,机架(2)装设在底架(7)上,下部设立油缸铰轴座(14),水平纵向安装第一油缸(1),机架(2)上部为储料仓(3),储料仓(3)贯通下面的推料仓(T)与压缩仓(H),第一油缸(1)的推料压头(15),可推进至压缩仓(H),第二油缸(4)垂直竖立在压缩仓(H)上部,压料压头(12)向下伸入到压缩仓(H)将物料压实,压缩仓(H)右边水平横向的第三油缸(8)的出块压头(10),可伸入压缩仓(H)内,将压块(S)顶出到出块仓(13)。本发明的结构合理,利用快速液压系统进行控制,各个油缸的运动快,制成的压块密度大,两端大、小均匀,降低了工人的劳动强度,方便存放和运输,提高了效率。(The utility model provides a quick hydraulic system for three-cylinder briquetting machine, frame (2) are installed on chassis (7), hydro-cylinder hinge seat (14) are established to the lower part, horizontal vertical installation first hydro-cylinder (1), frame (2) upper portion is storage silo (3), below push away feed bin (T) and compression bin (H) are link up in storage silo (3), push away material pressure head (15) of first hydro-cylinder (1), can impel to compression bin (H), second hydro-cylinder (4) are erect perpendicularly on compression bin (H) upper portion, press material pressure head (12) to stretch into compression bin (H) downwards and consolidate the material, piece pressure head (10) of going out of horizontal third hydro-cylinder (8) in compression bin (H) the right, can stretch into in compression bin (H), ejecting out piece storehouse (13) with briquetting (S). The hydraulic press is reasonable in structure, the hydraulic press is controlled by a quick hydraulic system, each oil cylinder moves quickly, the density of the manufactured pressed blocks is high, the two ends are large and uniform, the labor intensity of workers is reduced, the storage and the transportation are convenient, and the efficiency is improved.)

1. A rapid hydraulic system for a three-cylinder briquetting machine is characterized in that a rack (2) is arranged on an underframe (7), an oil cylinder hinged shaft seat (14) is arranged at the lower part of the left end of the rack (2), a first oil cylinder (1) is horizontally and longitudinally arranged, a vertical storage bin (3) is arranged at the upper part of the middle of the rack (2), the storage bin (3) penetrates through a material pushing bin (T) and a compression bin (H) below the storage bin, a material pushing rod (16) of the first oil cylinder (1) is connected with a material pushing pressure head (15) and can be pushed to the compression bin (H) rightwards, a second oil cylinder (4) is arranged at the right side of the storage bin (3) and vertically erected at the upper part of the rack (2), a material pressing rod (11) of the second oil cylinder (4) is connected with a material pressing pressure head (12) and can vertically and downwards extend into the compression bin (H) to compact materials, a third oil cylinder (8) which is horizontal and transverse at the left side of the compression bin (H), a block discharging bin (13) is transverse at the right side, a block discharging rod (9) of a third oil cylinder (8) is connected with a block discharging pressure head (10) and can stretch into a compression bin (H) from the left side to eject a pressing block (S) to a right block discharging bin (13), a hydraulic oil tank (Y) of a hydraulic system is communicated with an oil pump (E), oil cylinders, an electromagnet and a direction valve through an oil pipe (R), and an electric box is communicated with a motor (M), an electric component, the oil pump (E), the electromagnet and the direction valve through an electric wire (X).

2. According to technical characteristic 1 three jar quick hydraulic system for briquetting machine, be the plane bottom plate above the bottom of frame (2) that its characterized in that said, the top inner face of frame (2) is the plane roof, forms vertical horizontal passage between plane bottom plate and the plane roof, and the material pressure head (15) that pushes away of first hydro-cylinder (1) can move in horizontal passage, pushes away material pressure head (15) and has the dull and stereotyped (W) of top protection, when pushing away material pressure head (15) and stretching into and pushing away feed bin (T), can block up the passageway that storage silo (3) intercommunication pushed away feed bin (T).

3. The quick hydraulic system for the three-cylinder briquetting machine is characterized in that after the motor (M) is started, the electric system automatically acts, the oil pump (E) is in an unloading state, the system has no pressure, and the hydraulic system can act under the following conditions: electromagnets (D1), (D2) and (D7) are electrified, a directional valve (C1) is closed, the system is boosted, directional valves (C2) and (C7) are opened, a first oil cylinder (1) extends out, and the first oil cylinder reaches a limit position and stops; secondly, the electromagnets (D1), (D4) and (D7) are electrified, the directional valve (C1) is closed, the system is boosted, the directional valves (C4) and (C7) are opened, and the second oil cylinder (4) extends out to reach a limit position and stop; and thirdly, the electromagnets (D1) and (D8) are electrified, the directional valve (C1) is closed, the system is boosted, the directional valves (C8) and (C12) are opened, and the third oil cylinder (8) stretches out and stops when reaching the limit.

4. The hydraulic quick-speed hydraulic system for the three-cylinder briquetting machine is characterized in that after the motor (M) and the oil pump (E) are started, the adjusting action is started, the electromagnet (D1) is electrified, the directional valve (C1) is closed, the system is boosted, and the adjusting action of the hydraulic system is as follows: electromagnets (D2) and (D7) are electrified, direction valves (C2) and (C7) are opened, and the first oil cylinder (1) moves forwards to reach a limit position and stops; the electromagnets (D3) and (D11) are electrified, the directional valves (C3) and (C11) are opened, the first oil cylinder (1) retracts, and the first oil cylinder reaches a limit position and stops; secondly, the electromagnets (D4) and (D7) are electrified, the directional valves (C4) and (C7) are opened, and the second oil cylinder (4) moves forwards to reach a limit position and stops; the electromagnets (D5) and (D11) are electrified, the direction valves C5 and (C11) are opened, the second oil cylinder (4) retracts, and the stop is achieved; thirdly, the electromagnet (D8) is electrified, the directional valve (C8) and the directional valve (C12) are opened, and the third oil cylinder (8) moves forwards to reach a limiting position and stops; the electromagnets (D9) and (D10) are electrified, the directional valves (C9) and (C10) are opened, and the third oil cylinder (8) retracts and stops when reaching the limit.

5. The quick hydraulic system for the three-cylinder briquetting machine is characterized in that the return stroke action of each oil cylinder is as follows: the electromagnet (D1) is powered all the time, the directional valve (C1) is closed, the system is boosted, the electromagnets (D3), (D5), (D6) and (D10) are powered, the directional valves (C3), (C5), (C6) and (C10) are opened, the directional valve (C12) is closed, and the third oil cylinder (8) returns to drive the first oil cylinder (1) and the second oil cylinder (4) to return to the original positions; hydraulic oil in a plug cavity of the third oil cylinder (8) enters rod cavities of the first oil cylinder (1) and the second oil cylinder (4) through a directional valve (C6), an electromagnet (D3) is electrified, a directional valve (C3) in the plug cavity of the first oil cylinder (1) is opened, and the first oil cylinder (1) returns; the electromagnet (D5) is electrified, the direction valve (C5) of the second oil cylinder (4) plug cavity is opened, the second oil cylinder (4) returns, when the position is limited, the direction valve (C5) is electrified, the direction valve (C5) of the second oil cylinder (4) plug cavity is closed, and the second oil cylinder (4) stops; the third oil cylinder (8) continues to drive the first oil cylinder (1) to return, when the first oil cylinder (1) reaches a limit position, the electromagnets (D3) and (D6) lose power, the directional valves (C3) and (C6) are closed, and the first oil cylinder (1) stops; the electromagnet (D9) is electrified, the direction valve (C9) of the third oil cylinder (8) plug cavity is opened, the third oil cylinder (8) continuously retracts, and the stop is realized when the limit is reached.

Technical Field

The invention relates to a hydraulic system of a briquetting machine, in particular to a hydraulic system for a soft crushed material briquetting machine.

Background

At present, for convenience of storage and transportation, when organic bulk materials such as rice straws, wheat straws, sawdust, leaves, shavings, barks, peanut shells, crushed straws and the like are processed, the organic bulk materials are generally pressed into blocks by adopting a block pressing machine, a hydraulic form is mostly adopted, the block pressing machine is provided with a material pushing oil cylinder to push the materials falling from a filling opening to a material pressing bin, then the materials are pressed downwards by a material pressing oil cylinder, and finally a material discharging oil cylinder pushes the pressed materials to be pressed into blocks to be output through a material outlet. Although the block beating mechanical structure can continuously fill materials and can continuously produce, after the pressing action is finished, the pressure heads of the oil cylinders sequentially return one by one, the action is slow, and the time is long; and the material pushing pressure head of the material pushing oil cylinder is pushed straightly, the material in the material pressing bin is virtual at the lower part and virtual at the upper part, the pressed pressing blocks are not uniform at the upper part and the lower part, the two ends have the phenomenon of big and small ends, the pressing blocks come out from the discharge hole, a plurality of pressing blocks are stacked to be inclined towards the small ends of the pressing blocks, the stacking is easy to be carried out, the storage quality of the whole stack is influenced, the manual labor intensity is high, the production efficiency is difficult to improve, and the like. Therefore, the problems of the efficiency of the oil cylinder and the big end and small end of the pressing block are solved, and the problem becomes urgent for current manufacturers.

Disclosure of Invention

The invention aims to improve the original briquetting machine, and provides a quick hydraulic system for a briquetting machine.

The task of the invention is realized as follows: a quick hydraulic system for a three-cylinder briquetting machine is characterized in that a rack is arranged on a bottom frame, a cylinder hinge seat is arranged at the lower part of the left end of the rack, a first cylinder is horizontally and longitudinally arranged, a vertical storage bin is arranged in the middle of the rack and penetrates through a material pushing bin and a compression bin which are arranged at the lower part, a material pushing rod of the first cylinder is connected with a material pushing pressure head and can be pushed to the compression bin rightwards, a second cylinder is arranged on the right side of the storage bin and vertically erected at the right end of the rack, a material pressing rod of the second cylinder is connected with a material pressing pressure head and can vertically and downwardly extend into the compression bin to compact materials, a horizontal and transverse third cylinder is arranged on the left side of the compression bin, a transverse block discharging bin is arranged on the right side of the compression bin, a block discharging pressure head connected with a block discharging rod of the third cylinder and can extend into the compression bin from the left side to push the blocks out to the block discharging bin, each cylinder of the hydraulic system is communicated with a hydraulic oil tank, an oil pump, an electromagnetic valve and a directional valve through oil pipe, and an electric box is communicated with a motor through an electric wire, Electrical components, an oil pump, an electromagnetic valve and a directional valve. The upper surface of the bottom of the rack is a plane bottom plate, the inner surface of the top of the rack is a plane top plate, a longitudinal horizontal channel is formed between the plane bottom plate and the plane top plate, the pushing rod and the pushing pressure head of the first oil cylinder can move in the horizontal channel, the pushing pressure plate is provided with a top protection plate, and when the pushing pressure plate extends forwards into the pushing bin, the channel of the storage bin communicated with the pushing bin can be blocked. When the invention is operated, after the motor is started, the automatic action is carried out, the oil pump is in an unloading state, the system has no pressure, and at the moment, the hydraulic system can act under the following conditions: the electromagnets 1, 2 and 7 are electrified, the directional valve 1 is closed, the system is boosted, the directional valves 2 and 7 are opened, the first oil cylinder extends out, and the first oil cylinder reaches a limit position and stops; (II) electro-magnet 1, 4, 7 get electric, and directional valve 1 closes, and the system steps up, and directional valve 4, 7 are opened, and the second hydro-cylinder stretches out, reaches spacing stopping: and thirdly, the electromagnets 1 and 8 are electrified, the directional valve 1 is closed, the system is boosted, the directional valves 8 and 12 are opened, and the third oil cylinder extends out and stops when reaching the limit. When the invention carries out the adjustment action, after the motor and the oil pump are started, the electromagnet 1 is electrified, the directional valve 1 is closed, the system is boosted, and the adjustment action sequence of the hydraulic system is as follows: the electromagnets 2 and 7 are electrified, the directional valves 2 and 7 are opened, and the first oil cylinder moves forward to reach a limit position and stops; the electromagnets 3 and 11 are electrified, the directional valves 3 and 11 are opened, the first oil cylinder retracts, and the first oil cylinder reaches a limit position and stops; secondly, the electromagnets 4 and 7 are electrified, the direction valves 4 and 7 are opened, and the second oil cylinder moves forward to reach a limit position and stops; the electromagnets 5 and 11 are electrified, the directional valves 5 and 11 are opened, and the second oil cylinder retracts to reach a limit position and stops; thirdly, the electromagnet 8 is electrified, the directional valves 8 and 12 are opened, and the third oil cylinder moves forward to reach the limit position and stops; the electromagnets 9 and 10 are electrified, the directional valves 9 and 10 are opened, and the oil pump stops when the third oil cylinder returns and reaches the limit. The return stroke action of each oil cylinder is; the electromagnet 1 is always electrified, the directional valve 1 is closed, the system is boosted, the electromagnets 3, 5, 6 and 10 are electrified, the directional valves 3, 5, 6 and 10 are opened, the directional valve 12 is closed, and the third oil cylinder returns to drive the first oil cylinder and the second oil cylinder to return; hydraulic oil in the third oil cylinder plug cavity enters the rod cavities of the first oil cylinder and the second oil cylinder through the directional valve 6, the electromagnet 3 is electrified, the directional valve 3 in the first oil cylinder plug cavity is opened, and the first oil cylinder returns; the electromagnet 5 is electrified, the direction valve 5 of the second oil cylinder plug cavity is opened, and the second oil cylinder returns; when the position is limited, the direction valve 5 is powered off, the direction valve 5 of the plug cavity of the second oil cylinder is closed, and the second oil cylinder stops; the third oil cylinder continues to drive the first oil cylinder to return, when the first oil cylinder reaches a limit position, the electromagnets 3 and 6 are powered off, the directional valves 3 and 6 are closed, and the first oil cylinder stops; the electromagnet 9 is electrified, the direction valve 9 of the third oil cylinder plug cavity is opened, the third oil cylinder continues to return, and the stop is realized when the position is limited.

The invention is used for the manufacturing process of the briquetting product, and can be simply described as follows: the material enters the storage bin and falls into a material pushing bin at the lower part of the storage bin, and a material pushing rod of the first oil cylinder drives a material pushing pressure head to push the material falling into the material pushing bin into a compression bin; a material pressing rod of the second oil cylinder drives a material pressing pressure head to downwards compact and compress the materials in the bin; and a block discharging rod of the third oil cylinder drives a block discharging pressure head to push the pressing block in the compression bin to the block discharging bin, so that the existing pressing block in the block discharging bin is ejected out. In addition, a packaging bag can be arranged at the outer end of the block outlet, and the pressing block pushed out of the bin outlet is loaded into the packaging bag, so that the carrying and the storage are convenient.

According to the technical scheme, trial production and tests prove that the structure of the invention is reasonable, the density of the produced pressed block is large, the two ends are large and uniform, the labor intensity of workers is reduced, the storage and the transportation are convenient, the hydraulic system controls the invention quickly, the efficiency is improved, and the preset purpose is achieved.

Drawings

FIG. 1 is a schematic diagram of the forward structure of the present invention;

FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view B-B of FIG. 2;

FIG. 4 is a cross-sectional view of FIG. 1;

FIG. 5 is a cross-sectional view of FIG. 2;

fig. 6 is a schematic diagram of the material pushing state of the first oil cylinder 1 of the present invention;

fig. 7 is a schematic view of the pressing state of the second cylinder 4 according to the present invention;

FIG. 8 is a schematic view of the block-out structure of the third cylinder 8 according to the present invention;

fig. 9 is a hydraulic schematic of the present invention. Non-viable cells

In the figure, 1-a first oil cylinder, 2-a rack, 3-a storage bin, 4-a second oil cylinder, 5-a vertical plate, 6-a block outlet, 7-an underframe, 8-a third oil cylinder, 9-a block outlet rod, 10-a block outlet pressure head, 11-a pressure rod, 12-a pressure head, 13-a block outlet bin, 14-an oil cylinder hinge shaft seat, 15-a material pushing pressure head and 16-a material pushing rod; a-visual direction symbol, B-visual direction symbol, C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14-directional valve, D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14-electromagnet, E-oil pump, H-compression bin, M-motor, R-oil pipe, S-briquetting, T-push bin, W-top protection plate, X-electric wire, Y-hydraulic oil tank.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Referring to fig. 1, 2 and 3, the overall layout of the invention is shown in the drawing, in fig. 1, the frame 2 is mounted on the bottom frame 7 in the middle, the first oil cylinder 1 is arranged at the lower edge of the left end, the storage bin 3 is arranged at the upper edge of the middle, the frame 2 and the bottom frame 7 are arranged at the lower edge, and the second oil cylinder 4 is arranged at the right end. FIG. 2 is a sectional view taken along line A-A of FIG. 1, in which a third cylinder 8 is horizontally and transversely disposed at the left end, and is connected to a block-out rod 9 and a block-out ram 10, and is extendable into the compression chamber; the second oil cylinder 4 is erected at the position with the highest middle, the second oil cylinder 4 is connected with a material pressing rod 11 and a material pressing pressure head 12 and is arranged in the middle of the vertical plate 5, and a block discharging bin 13 is arranged below the right end. Fig. 3 is a section view B-B of fig. 1, the left end frame 2 is provided with an oil cylinder hinge seat 14, a first oil cylinder 1 is longitudinally arranged, a pushing pressure head 15 is contracted inside, a pushing bin T and a compressing bin H are arranged in the middle, a vertical second oil cylinder 4, a material pressing rod 11 and a material pressing pressure head 1 are arranged at the right end, and a block outlet 6 is arranged at the lower part.

Referring to fig. 4 and 5, fig. 4 shows a storage bin 3, a pushing bin T and a compressing bin H filled with soft and broken articles before the first oil cylinder 1 is pushed; fig. 5 is a schematic view of the pusher magazine T before the second cylinder 4 is depressed.

Referring to fig. 6, 7 and 8, the working process of each oil cylinder is shown under the condition of filling soft and broken articles: fig. 6 shows a state that the pushing rod 16 of the first oil cylinder 1 extends to the bottom, the pushing ram 15 pushes the soft crushed material to the compression bin T, and the protective top plate W of the pushing ram 15 seals the passage of the storage bin 3 falling to the pushing bin T; fig. 7 shows a state that the material pressing rod 11 of the second oil cylinder 4 descends to the bottom, and the material pressing head 12 presses the waste material in the compression bin H to the pressing block S; fig. 8 shows a state that the block discharging rod 9 of the third oil cylinder 8 extends to the bottom right, the block discharging pressure head 10 is pushed to the block discharging bin 13, and the pushed-in press block S pushes out the original press block S in the block discharging bin 13.

Referring to fig. 9, the hydraulic system of the present invention, which is a hydraulic system in which a first cylinder 1, a second cylinder 4, and a third cylinder 8 perform hydraulic operations, includes a motor M, a hydraulic tank Y, an oil pump E, an electromagnet, and a directional valve, and through a predetermined program, the cylinders sequentially operate, and after completing all operations, the cylinders rapidly return to the original positions, and then continuously perform the operations according to the previous program.

The structure of the invention is as follows: a quick hydraulic system for a three-cylinder briquetting machine is characterized in that a rack 2 is arranged on an underframe 7, an oil cylinder hinge shaft seat 14 is arranged at the lower part of the left end of the rack 2, a first oil cylinder 1 is horizontally and longitudinally arranged, a vertical storage bin 3 is arranged in the middle of the rack 2, the storage bin 3 penetrates through a material pushing bin T and a compression bin H below the storage bin, a material pushing pressure head 15 is connected with the front end of a material pushing rod 16 of the first oil cylinder 1 and can be pushed to the compression bin H rightwards, a second oil cylinder 4 is vertically erected at the right end of the storage bin 13, a material pressing rod 11 of the second oil cylinder 4 is connected with a material pressing pressure head 12 and can vertically and downwards extend into the compression bin H to compact materials, a horizontal third oil cylinder 8 is arranged on the left side of the compression bin H, a horizontal block discharging bin 13 is arranged on the right side of the compression bin H, a block discharging pressure head 10 connected with a block discharging rod 9 of the third oil cylinder 8 and can extend into the compression bin H from the left side to push out a block discharging pressure head 13 to push out a block S to the block discharging bin 13, and a hydraulic oil pipe Y is communicated with the oil pipes, The electric box is connected with the motor M, the electric components, the oil pump E, the electromagnet and the direction valve through a wire X. The upper surface of the bottom of the rack 2 is a plane bottom plate, the inner surface of the top of the rack 2 is a plane top plate, a horizontal channel is formed between the plane bottom plate and the plane top plate, the material pushing rod 16 and the material pushing pressure head 15 of the first oil cylinder 1 can move in the horizontal channel, the material pushing pressure head 15 is provided with a top protection plate W, and when the material pushing pressure head T extends forwards into the material pushing bin T, the channel of the material storage bin 13 communicated with the material pushing bin T can be blocked. When the starting automatic action is performed, after the motor M is started, the oil pump E is in an unloading state, the system has no pressure, and at the moment, the hydraulic system acts according to the following conditions: electromagnets D1, D2 and D7 are electrified, a directional valve C1 is closed, the system is boosted, directional valves C2 and C7 are opened, and a first oil cylinder 1 extends out to reach a limit position and stops; secondly, the electromagnets D1, D4 and D7 are electrified, the directional valve C1 is closed, the system is boosted, the directional valves C4 and C7 are opened, the second oil cylinder 4 extends out, and the second oil cylinder stops when reaching a limit position; and thirdly, the electromagnets D1 and D8 are electrified, the directional valve C1 is closed, the system is boosted, the directional valves C8 and C12 are opened, and the third oil cylinder 8 extends out and stops when reaching a limit position. During the adjustment operation, after the motor M and the oil pump E are started, the electromagnet D1 is energized, the directional valve C1 is closed, and the system is pressurized, and at this time, the adjustment operation sequence of the hydraulic system is as follows: the electromagnets D2 and D7 are electrified, the directional valves C2 and C7 are opened, the first oil cylinder 1 advances to reach a limit position and stops; the electromagnets D3 and D11 are electrified, the direction valves C3 and C11 are opened, the first oil cylinder 1 retracts, and the first oil cylinder stops when reaching a limit position; secondly, the electromagnets D4 and D7 are electrified, the directional valves C4 and C7 are opened, and the second oil cylinder 4 advances to stop when reaching the limit; the electromagnets D5 and D11 are electrified, the direction valves C5 and C11 are opened, the second oil cylinder 4 retracts, and the stop is reached; thirdly, the electromagnet D8 is electrified, the directional valves C8 and C12 are opened, and the third oil cylinder 8 moves forwards to reach the limit position and stops; the electromagnets D9 and D10 are electrified, the direction valves C9 and C10 are opened, the third oil cylinder 8 retracts, and the third oil cylinder stops when reaching the position. The return action of each oil cylinder comprises that the electromagnet D1 is always electrified, the directional valve C1 is closed, the system is boosted, the electromagnets D3, D5, D6 and D10 are electrified, the directional valves C3, C5, C6 and C10 are opened, the directional valve C12 is closed, and the third oil cylinder 8 returns to drive the first oil cylinder 1 and the second oil cylinder 4 to return; hydraulic oil in a plug cavity of the third oil cylinder 8 enters rod cavities of the first oil cylinder 1 and the second oil cylinder 4 through a directional valve C6, an electromagnet D3 is electrified, a directional valve C3 in the plug cavity of the first oil cylinder 1 is opened, and the first oil cylinder 1 returns; the electromagnet D5 is electrified, the direction valve C5 of the second oil cylinder 4 plug cavity is opened, and the second oil cylinder 4 returns; when the position is limited, the directional valve C5 is powered off, the directional valve C5 of the plug cavity of the second oil cylinder 4 is closed, and the second oil cylinder 4 stops; the third oil cylinder 8 continues to drive the first oil cylinder 1 to return, when the first oil cylinder 1 reaches a limit position, the electromagnets D3 and D6 lose power, the directional valves C3 and C6 are closed, and the first oil cylinder 4 stops; the electromagnet D9 is electrified, the direction valve C9 of the third oil cylinder 8 plug cavity is opened, the third oil cylinder 8 continuously retracts, and the stop is realized when the limit is reached.

The invention has the practical benefits of improving the utilization rate of the field and increasing the economic income of packing workers. Packing rice hulls as an example: the rice husks are produced about 4000 ten thousand tons per year in China, and the electricity cost of the existing compressed 1 ton rice husks is about 7 yuan; the electric charge of compressing 1 ton rice husk is about 6 yuan, and 4000 ten thousand yuan is saved each year. In reality, materials such as crushed rice straws, corn straws, peanut seedlings, cottonseed hulls, cotton hulls, sawdust, shavings, hot peppers, turfy soil, corncobs and the like and shredded metal thin materials can be compressed and packed by the invention. The existing rice hulls are packed by 30 tons per shift, and the labor cost is 225 yuan; the invention packs 35 tons per shift, the labor cost is 262.5 yuan, taking 300 days per year as an example, 11250 yuan is added to each year.

The invention has reasonable structure, safe and convenient use, good quality of the pressing block S, no big or small head phenomenon and reduced labor intensity of workers; by utilizing the effective control of the hydraulic system, the return time of each oil cylinder is greatly shortened, the production efficiency is high, and good benefits are obtained.