CN205588443U

CN205588443U - Demoulding machine

Info

Publication number: CN205588443U
Application number: CN201620182616.XU
Authority: CN
Inventors: 李阳; 王成武
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-03-10
Filing date: 2016-03-10
Publication date: 2016-09-21
Anticipated expiration: 2026-03-10

Abstract

The utility model relates to a demoulding machine belongs to the machinery that the bamboo article was processed. A demoulding machine, it includes set up the objective table that is used for bearing and carrying the mould in the frame, is equipped with the vertical baffle that carries out horizontal spacing to the mould along objective table direction of delivery both sides, and two vertical baffles and objective table form a cell type passageway, spacing horizontal baffle about cell type passageway top is equipped with and goes on the mould, the top of cell type passageway is equipped with the clamp of liftable and carries the subassembly, it is still including putting the charge bar subassembly and pushing away the charge bar subassembly. The utility model discloses a change the output mode of square stock, the passive output of following the square stock changes the initiative output of square stock into, has not only promoted efficiency, has also improved the cooperation precision, the control of being more convenient for, and the effect is showing.

Description

Ingot stripper

Technical field

This utility model relates to a kind of ingot stripper, belongs to the mechanical field of bamboo product processing.

Background technology

In heavy bamboo manufacture field, generally it is placed in mould after bamboo silk impregnation, then suppresses with hydraulic press, make the most fluffy bamboo silk be pressed in bulk.Now bamboo block and mould become an entirety, and to be removed from mould by bamboo block, non-simple manpower can be.Generally it is required for using demoulding equipment.And the demoulding equipment of other industries is more now, although some metallic conduits can be deviate from from mould by some equipment in other industry, but often structure is complicated, is not suitable for heavy bamboo industry.At present, mostly being firmly to be broken into two with one's hands by the artificial mould dual-side that the inside fills heavy bamboo square stock, then hung out by heavy bamboo square stock with machines such as electric blocks, this can cause die deformation, having a strong impact on mold use, imprudence can cause the heavy bamboo square stock generation quality problems taken out the most sometimes.

Authorization Notice No. is the Chinese patent of CN202878443U; disclose a kind of ingot stripper structure; it includes frame; frame is provided with the object stage that can carry with delivery mold; it is additionally provided with liftable for the clamping device by the heavy bamboo square stock demoulding; this structure automation degree is high, improves demoulding efficiency.But this demolding structure is in use, when demolding structure action, the linking of each action there is also some problems, in the problem how square stock especially completed in the demoulding exports.In this scenario, it is to utilize a transportable discharging conveying sliding table, after square stock is picked up by clamping device, makes discharging conveying sliding table phase clamping device direction move horizontally, the one end making discharging conveying sliding table is presented on the lower section of clamping device, so, just can handle material folding oil cylinder and put down the square stock picked up, make square stock be laid in one end of discharging conveying sliding table, then discharging conveying sliding table moves horizontally, removing below clamping device, then the conveyer belt operating of discharging conveying sliding table, transports square stock.Therefore this machine is operationally, need to send whole discharging conveying sliding table, just not saying energy consumption aspect is temporary, time interval between due to material folding oil cylinder square stock being picked up and put down is short (if interval time is long, so demoulding efficiency will significantly reduce), and time that discharging conveying sliding table is sent is long, this allows for this series of actions and easily goes wrong, especially in the case of Artificial Control coordinating opportunity.

Utility model content

The purpose of this utility model is to provide that a kind of automaticity is higher, the higher a kind of ingot stripper of demoulding efficiency.

Above-mentioned technical purpose of the present utility model has the technical scheme that

A kind of ingot stripper; it includes the object stage being arranged in frame for carrying and delivery mold; the vertical baffle that mould is carried out Horizontal limiting it is provided with along object stage conveying direction both sides; two pieces of vertical baffles and object stage form a groove-type channel; groove-type channel is arranged over mould is carried out the most spacing horizontal baffle; the liftable folder that is arranged over of described groove-type channel carries assembly, and described folder carries assembly and includes pressing from both sides and carry frame, carry the hoist cylinder of frame lifting for controlling described folder, be arranged on folder and carry the material folding oil cylinder of frame both sides and be arranged on the clamping block of material folding oil cylinder；It also includes putting charge bar assembly and stick pusher assembly, described in put charge bar assembly include for for the square stock clamped by described clamping block and mention is provided provisional lay-down position put charge bar, be used for described in controlling putting charge bar flexible put material cylinder and being used for install described in put material cylinder put material cylinder block；Described stick pusher assembly includes the pusher cylinder for being released by the square stock being shelved on provisional lay-down position and the pushing cylinder block being used for installing described pusher cylinder.

The mould entering this ingot stripper is equipped with the mould of heavy bamboo square stock.Pin needs first to be removed as a kind of fixture before form removal, after pin is removed, just can carry out the operation of the demoulding.During the demoulding, the mould equipped with heavy bamboo square stock is transported to object stage, by the control of hoist cylinder, lower in the position that folder carries frame, simultaneously clamping on block also to decrease, clamping block is positioned at the both sides of mould, when just dropping to heavy bamboo square stock same level position, material folding oil cylinder is started working, make clamping block clamp heavy bamboo square stock, owing to mould is by the position-limiting action of horizontal baffle, can not be pulled up, heavy bamboo square stock is then raised under the effect of hoist cylinder, thus break away from moulds.After break away from moulds, heavy bamboo square stock is carried aloft, then puts charge bar and forward extends out under the effect putting material cylinder, provides provisional lay-down position for heavy bamboo square stock.Then material folding cylinder action, clamping block unclamps, and is placed on by described heavy bamboo square stock and puts on charge bar.Then pusher cylinder action, releases heavy bamboo square stock, if being pushed into square stock conveyer device or square stock transport dolly, then can be shifted by square stock.This is motionless relative to square stock in prior art and discharging conveying sliding table slips into the technical scheme being presented on below clamping device, i.e. control the flexible compared with the turnover controlling large-scale slide unit of barred body, not only have superiority in efficiency, and have also been obtained on the time window that action coordinates and widen, improve and not only improve efficiency, also improving quality of fit, be more convenient for controlling, effect is notable.

Preferred as technique scheme, also include that square stock output precision, described square stock output precision include setting in a row for connect draw the square stock released by described pusher cylinder rotate body, for installing the rotation body frame of described rotation body, rotating body driving-chain and rotate body driver.

Preferred as technique scheme, described folder carries and is additionally provided with synchronizing shaft on frame, and the two ends of synchronizing shaft are provided with gear, and the frame below synchronizing shaft is provided with the tooth bar coordinated with described gear.

Preferred as technique scheme, described folder carries and is additionally provided with lifting pulley on frame, and described frame also includes that the inner side of described column has the guiding road matched with described lifting pulley across the door beam above object stage with for supporting the column of described door beam.

Preferred as technique scheme, described in put charge bar assembly and also include putting charge bar bracket, be arranged on described in put in the frame on material cylinder block opposite.When putting charge bar in time projecting forwardly at maximum displacement, put charge bar bracket and be nested with on the barred body put charge bar and near the front end of this barred body.

Preferred as technique scheme, also include being arranged on the bridge assembly put between charge bar assembly and square stock output precision, described bridge assembly includes bridging bar and for supporting the bridge joint post of described bridging bar, and charge bar is put under state near stretching out near rotating the body other end in described bridging bar one end.

Preferred as technique scheme, also include tearing pin assembly open, described in tear open pin assembly include being disposed along object stage conveying direction side tear nail oil cylinder seat open, be arranged at described in tear tearing push pedal that nail oil cylinder is connected with the described piston rod tearing nail oil cylinder open open, being arranged on the horizontally disposed directive wheel in the described push pedal left and right sides, be arranged on the guide of described push pedal upper and lower surface, be connected to described push pedal for removing the push rod of pin on mould and covering the coverboard in described push pedal and push rod of nail oil cylinder seat open.

Preferred as technique scheme, the opposite side along object stage conveying direction is torn open at pin assembly isometry position with described, is additionally provided with the pin box receiving pin.

Preferred as technique scheme, also include that mould conveying assembly, described mould conveying assembly include being arranged on two sprocket wheels of groove-type channel forward-and-rearward, being arranged on the chain torr below groove-type channel and be arranged in described sprocket wheel and chain torr for the chain driving mould to advance；In said two sprocket wheel at least one be drivewheel.

Preferred as technique scheme, also includes pressing thick stick assembly, and described pressure thick stick assembly includes pressing thick stick and pressure thick stick Hough；Described pressure thick stick Hough is connected for making the piston rod of described hoist cylinder carry frame with described folder, and described pressure thick stick is arranged on described folder and carries below frame；The acting surface of described pressure thick stick be have multiple continuous print " several " font across face；It is provided with electric magnet inside described pressure thick stick.

Preferred as technique scheme, is provided with below groove-type channel and makes square stock be easy to from mold cavity the lifting pin of abjection for pushing up the square stock in rapping tool after the bottom outlet of mould.

Preferred as technique scheme, object stage includes pulley that is multiple arranged in parallel and that be perpendicular to groove-type channel.

This utility model has the advantages that

1, this utility model is by changing the way of output of square stock, changes the active output of square stock from the passive output of square stock into, not only improves efficiency, also improve quality of fit, is more convenient for controlling, and effect is notable.

2, this utility model is additionally provided with and tears pin assembly open, therefore before mould enters the machine, it is not required to be removed by the pin playing fixation in advance, the mould that can directly will be equipped with pin box square stock inputs in the machine, pin is removed by the pin assembly of tearing open first passing through the machine, then carries out the operation of the demoulding, makes the function of the machine obtain addition, improve automaticity, efficiency is also improved.

3, this utility model is additionally provided with Synchronization Component, and i.e. by the Synchronization Component being arranged on synchronizing shaft that folder carries on frame and the gear at two ends thereof, the tooth bar that is vertically provided in frame forms, the folder that improve the machine puies forward the assembly stability when lifting and the degree of balance at two ends.

4, this utility model is additionally provided with lifting accessory part, i.e. by being arranged on the lifting accessory part that lifting pulley, column and the guiding road thereof that folder carries on frame is constituted, is effectively improved folder and puies forward the assembly smooth degree when lifting.

5, this utility model is additionally provided with bridge assembly, it is i.e. the bridge assembly that main body is constituted by bridging bar, the bridge joint of bridging bar to as if put charge bar and square stock output precision, due to locus or other reasons, square stock output precision inconvenience is directly docked with the charge bar of putting extended at maximum displacement, therefore, need bridging bar, it specifically acts on: when square stock is put charge bar by the release of pusher cylinder, square stock still can not arrive square stock output precision at once, square stock is first pushed on bridging bar, is the most just pushed to square stock output precision, and bridging bar now plays function served as bridge.

6, this utility model is the most also configured with pin box, and it is arranged on pin and is pushed out part, is used for collecting pin；Then receive and sell out the pin box of nail and can be transferred in its entirety, it is simple to recycling of pin.

Accompanying drawing explanation

Fig. 1 is overall structure schematic diagram of the present utility model；

Fig. 2 is the figure at another visual angle of Fig. 1；

Fig. 3 is side view of the present utility model；

Fig. 4 is partial side view of the present utility model；

Fig. 5 is this utility model lifting assembly, presss from both sides the front view carrying assembly etc.；

Fig. 6 is the side view of Fig. 5；

Fig. 7 is the structural representation that this utility model tears pin assembly open；

Fig. 8 is the mould schematic diagram that this utility model fills square stock.

In figure, 1-frame, 2-folder carries assembly, and 3-puts charge bar assembly, 4-stick pusher assembly, 5-square stock output precision, 6-Synchronization Component, and 7-presses thick stick assembly, 8-bridge assembly, and 9-tears pin assembly, 10-conveying assembly open, and 11-lifts accessory part；

1-1-object stage, 1-2-vertical baffle, 1-3-horizontal baffle, 1-4-groove-type channel, 1-5-door beam, 1-6-column；

2-1-folder carries frame, 2-2-hoist cylinder, 2-3-material folding oil cylinder, and 2-4-clamps block, 2-5-lifting pulley；

3-1-puts charge bar, and 3-2-puts material cylinder, and 3-3-puts material cylinder block, and 3-4-puts charge bar bracket；

4-1-cuts somebody's hair, 4-2-pusher cylinder, 4-3-pushing cylinder block；

5-1-rotates body, and 5-2-rotates body frame, and 5-3-rotates body driving-chain；

6-1-synchronizing shaft, 6-2-gear, 6-3-tooth bar；

7-1-presses thick stick, and 7-2-presses thick stick Hough；

8-1-bridging bar, 8-2-bridges post；

9-1-tears nail oil cylinder open, and 9-2-tears nail oil cylinder seat, 9-3-push pedal, 9-4-guide, 9-5-directive wheel, 9-6-push rod, 9-7-coverboard, 9-8-pin box open；

10-1-sprocket wheel, 10-2-chain torr.

Detailed description of the invention

Detailed description below is only to explanation of the present utility model; it is not to restriction of the present utility model; present embodiment example can be made arbitrarily amendment after reading this specification by those skilled in the art as required, but as long as all will be protected by Patent Law in right of the present utility model.

Referring initially to Fig. 1-Fig. 6, preferred embodiment of the present utility model includes:

-frame 1, for each assembly of framework, mainly includes the object stage 1-1 of carrying mould, the groove-type channel 1-4 passed through for mould, and vertical baffle 1-2 and horizontal baffle 1-3.Vertical baffle 1-2, is arranged along object stage conveying direction in both sides, for mould is carried out Horizontal limiting；Horizontal baffle 1-3, along object stage conveying direction in being provided above, for carrying out the most spacing to mould.Frame 1 also includes a beam 1-5 and passive column 1-6.

-folder carries assembly 2, for the square stock in mould being clamped and mentioning, simultaneously make square stock and mould separating, mainly include pressing from both sides and carry frame 2-1, carry the hoist cylinder 2-2 of frame lifting for controlling described folder, be arranged on folder and carry the material folding oil cylinder 2-3 of frame both sides and be arranged on the clamping block 2-4 of material folding oil cylinder.

-put charge bar assembly 3, mainly include putting charge bar 3-1 for provide provisional lay-down position for square stock (square stock that this square stock is clamped by described clamping block 2-4 and mentioned), put described in control charge bar flexible put material cylinder 3-2, that puts material cylinder described in install puts material cylinder block 3-3, and puts described in being arranged on and putting material bracket 3-4 in the frame on material cylinder block opposite.

-stick pusher assembly 4, mainly includes pusher cylinder 4-2, is arranged on pusher cylinder 4-2 end for the 4-1 and be used for installing pushing cylinder block 4-3 of described pusher cylinder of cutting somebody's hair released by the square stock being shelved on provisional lay-down position.

-square stock output precision 5, described square stock output precision 5 include setting in a row for connect draw the square stock released by described pusher cylinder rotations body 5-1, for installing the rotation body frame 5-2 of described rotation body, rotating body driving-chain 5-3 and rotation body driver.

-Synchronization Component 6, described Synchronization Component 6 includes being arranged on the synchronizing shaft 6-1 that folder carries on frame 2-1, and the two ends of synchronizing shaft are provided with gear 6-2, and the frame below synchronizing shaft 6-1 is provided with the tooth bar 6-3 coordinated with described gear 6-2.

-pressure thick stick assembly 7, described pressure thick stick assembly includes pressing thick stick 7-1 and pressure thick stick Hough 7-2；Described pressure thick stick Hough 7-2 is connected for making the piston rod of described hoist cylinder 2-2 carry frame 2-1 with described folder, and described pressure thick stick 7-1 is arranged on described folder and carries below frame 2-1；The acting surface of described pressure thick stick 7-1 be have multiple continuous print " several " font across face；It is provided with electric magnet inside described pressure thick stick 7-1.Owing to mould has multiple pin, pressure thick stick 7-1 can not act on pin, multiple continuous print " several " font therefore arranged across face so that pressure thick stick 7-1 can cross multiple pin, acts directly on the cover plate in mould.For ease of understand, Fig. 7 shows the schematic diagram of mould, in Fig. 7, A represent mould crust, B represent mould in liner plate, C represents that cover plate, D represent that pin, E represent the heavy bamboo square stock being contained in mould.

-bridge assembly 8, it is arranged on and puts between charge bar assembly 3 and square stock output precision 5, described bridge assembly 8 includes bridging bar 8-1 and for supporting the bridge joint post 8-2 of described bridging bar 8-1, and charge bar 3-1 is put under state near stretching out near rotating the body 5-1 other end in described bridging bar 8-1 one end.

-tear pin assembly 9 open, described pin assembly 9 of tearing open includes that being disposed along tearing open of object stage 1-1 conveying direction side follows closely oil cylinder seat 9-2, that tears nail oil cylinder seat described in being arranged at open tears nail oil cylinder 9-1 open, the push pedal 9-3 being connected with the described piston rod tearing nail oil cylinder open, it is arranged on the described push pedal left and right sides horizontally disposed directive wheel 9-5, it is arranged on the guide 9-4 of described push pedal upper and lower surface, it is connected to described push pedal for removing the push rod 9-6 of pin on mould, cover the coverboard 9-7 in described push pedal and push rod and pin box 9-8, described pin box 9-8 is for receiving the pin released by push rod 9-6, it is disposed along at opposite side and the described push rod 9-6 isometry position of object stage 1-1 conveying direction.

-mould conveying assembly 10, described mould conveying assembly 10 includes being arranged on two sprocket wheel 10-1 of groove-type channel 1-4 forward-and-rearward, being arranged on chain torr 10-2 below groove-type channel 1-4 and be arranged in described sprocket wheel 10-1 and chain torr 10-2 for the chain driving mould to advance；In said two sprocket wheel 10-1 at least one be drivewheel.

-lifting accessory part 11, described lifting accessory part 11 includes lifting pulley 2-5, lifting pulley 2-5 is arranged on folder and carries the outside left of frame 2-1 and match with the guiding road being had on column 1-6, and the lifting that this kind of structure makes described folder carry assembly 2 becomes smooth without hindrance.Described column 1-6 is a part for frame 1, states this frame 1 above in addition to comprising object stage 1-1, vertical baffle 1-2 and horizontal baffle 1-3, also has a beam 1-5 and column 1-6.And the slideway of the guiding road the most described lifting pulley 2-5 being provided with inside this column 1-6.Column 1-6, in addition to providing for lifting pulley 2-5 and guiding road, also supports for providing across the door beam 1-5 above object stage 1-1.

Square stock could be for manufacturing the direct material on floor, can be formed the blanket on floor by simple cutting.Square stock is the impregnation bamboo silk that some are loose before being formed, and becomes the square stock with higher density through pressing.Due to pressing, square stock is combined relatively tighter with the inwall of mould, if direct folder carries assembly 2, folder carries, and effect is bad, it is easy to damage mould or square stock itself.Therefore, it can arrange a lifting pin, and the base plate of mould the most correspondingly offers bottom outlet.Lifting pin is arranged on below groove-type channel, and during use, lifting pin pushes up the square stock in rapping tool after bottom outlet, makes square stock be easy to from mold cavity abjection.Then re-use folder and carry assembly.

Pin assembly of tearing open in Fig. 1 illustrate only one and tears pin oil cylinder open, is shown without bridge assembly, is also shown without the concrete mounting means of square stock conveying assembly, but this does not hinder those skilled in the art to understanding of the present utility model.

This utility model is used as described below: mould enters from groove-type channel 1-4, after putting in place under the effect of hoist cylinder 2-2, pressure thick stick assembly declines, cover plate pressing in mould is lived, it is specially, having the continuous "Ji" type pressure thick stick across face and stride across pin by cover plate pressing firmly, meanwhile, the pressure thick stick being provided with electric magnet holds the cover plate of irony.Then, pin is got from mould by the push rod 9-6 tearing pin assembly 9 open, and pin falls within pin box.Then, folder carries frame 2-1 under the effect of hoist cylinder 2-2, slightly rise and reserve suitable working place to lifting pin, then lifting pin is loose by the square stock top in mould through the bottom outlet of mould, then folder carries the clamping block 2-4 of assembly 2 and is clamped by square stock and mention, carry to certain altitude, the charge bar 3-1 that puts putting charge bar assembly 3 forward extends out, then clamping block 2-4 loosens and is shelved on charge bar 3-1 by square stock, then the pusher cylinder 4-2 action of stick pusher assembly 4, this square stock is released forward, square stock is pushed on the rotation body 5-1 of square stock output precision 5 by the bridging bar 8-1 of bridge assembly 8, rotate body 5-1 to rotate, square stock is diverted with regard to this.And cover plate is after square stock is diverted, the electric magnet of pressure thick stick is discharged, and backs in mold shell, and mold shell, discharge from groove-type channel 1-4.Next secondary operation can be carried out.

Claims

1. an ingot stripper, including being arranged on the upper object stage (1-1) for carrying with delivery mold of frame (1), the vertical baffle (1-2) that mould is carried out Horizontal limiting it is provided with along object stage conveying direction both sides, two pieces of vertical baffles and object stage form a groove-type channel (1-4), groove-type channel is arranged over mould carries out the most spacing horizontal baffle (1-3), the liftable folder that is arranged over of described groove-type channel carries assembly (2), described folder carries assembly and includes that folder carries frame (2-1), the hoist cylinder (2-2) of frame lifting is carried for controlling described folder, it is arranged on folder carry the material folding oil cylinder (2-3) of frame both sides and be arranged on the clamping block (2-4) of material folding oil cylinder；It is characterized in that: also include putting charge bar assembly (3) and stick pusher assembly (4), described in put charge bar assembly include for for the square stock clamped by described clamping block (2-4) and mention is provided provisional lay-down position put charge bar (3-1), put described in control charge bar flexible put material cylinder (3-2) and put material cylinder described in install put material cylinder block (3-3)；Described stick pusher assembly includes the pusher cylinder (4-2) for being released by the square stock being shelved on provisional lay-down position and for installing the pushing cylinder block (4-3) of described pusher cylinder.

A kind of ingot stripper the most according to claim 1; it is characterized in that: also include that square stock output precision (5), described square stock output precision include setting in a row for connect draw the square stock released by described pusher cylinder rotation body (5-1), for installing rotation body frame (5-2) of described rotation body, rotating body driving-chain (5-3) and rotation body driver.

A kind of ingot stripper the most according to claim 1; it is characterized in that: described folder carries and is additionally provided with synchronizing shaft (6-1) on frame (2-1); the two ends of synchronizing shaft are provided with gear (6-2), and the frame below synchronizing shaft is provided with the tooth bar (6-3) coordinated with described gear.

A kind of ingot stripper the most according to claim 1; it is characterized in that: described folder carries and is additionally provided with lifting pulley (2-5) on frame (2-1); described frame also includes that the inner side of described column has the guiding road matched with described lifting pulley across the door beam (1-5) above object stage with for supporting the column (1-6) of described door beam.

A kind of ingot stripper the most according to claim 1, it is characterised in that put charge bar assembly described in: and also include putting material bracket (3-4), be arranged on described in put in the frame on material cylinder block opposite.

A kind of ingot stripper the most according to claim 2; it is characterized in that: also include being arranged on the bridge assembly (8) put between charge bar assembly and square stock output precision; described bridge assembly (8) includes bridging bar (8-1) and for supporting the bridge joint post (8-2) of described bridging bar, and charge bar is put under state near stretching out near rotating the body other end in described bridging bar (8-1) one end.

A kind of ingot stripper the most according to claim 1, it is characterized in that: also include tearing pin assembly (9) open, described pin assembly of tearing open includes that being disposed along tearing open of object stage conveying direction side follows closely oil cylinder seat (9-2), that tears nail oil cylinder seat described in being arranged at open tears nail oil cylinder (9-1) open, the push pedal (9-3) being connected with the described piston rod tearing nail oil cylinder open, it is arranged on the horizontally disposed directive wheel in the described push pedal left and right sides (9-5), it is arranged on the guide (9-4) of described push pedal upper and lower surface, it is connected to described push pedal for the push rod (9-6) removing pin on mould and the coverboard (9-7) covering in described push pedal and push rod.

A kind of ingot stripper the most according to claim 7, it is characterised in that: the opposite side along object stage conveying direction is torn open at pin assembly isometry position with described, is additionally provided with the pin box (9-8) receiving pin.

A kind of ingot stripper the most according to claim 1; it is characterized in that: also include that mould conveying assembly (10), described mould conveying assembly include being arranged on two sprocket wheels (10-1) of groove-type channel forward-and-rearward, being arranged on the chain torr (10-2) below groove-type channel and be arranged in described sprocket wheel and chain torr for the chain driving mould to advance；In said two sprocket wheel at least one be drivewheel.

A kind of ingot stripper the most according to claim 1, it is characterised in that: also including pressing thick stick assembly (7), described pressure thick stick assembly includes pressing thick stick (7-1) and pressure thick stick Hough (7-2)；Described pressure thick stick Hough (7-2) is connected for making the piston rod of described hoist cylinder carry frame with described folder, and described pressure thick stick is arranged on described folder and carries below frame；The acting surface of described pressure thick stick (7-1) be have multiple continuous print " several " font across face；It is provided with electric magnet inside described pressure thick stick.