CN208761734U - A kind of paper feeding equipment for die-cutting machine - Google Patents

Abstract

The utility model discloses a kind of paper feeding equipment for die-cutting machine, paper feeding equipment is generally disposed at the paper feed port of die-cutting machine, cardboard is adsorbed on conveyer belt by air draught component and is conveyed, the stationarity of conveying is increased, and conveying device paper feed port is provided with gear paper cutter mechanism to ensure only enter a piece of cardboard every time for limiting；By the paper feed port of jacking push rod pushing tow to die-cutting machine after the undertaking board group of conveying device exit slot setting is used to accept cardboard and carries out accurate positionin adjustment to cardboard by positioning baffle and side mark group, in this way, the a sheet by a sheet exactly of cardboard can be fed through die-cutting machine at high speed, entire transmission process without human intervention, high degree of automation.

Description

A kind of paper feeding equipment for die-cutting machine

Technical field

The utility model relates to corrugated paper manufacturing process technology fields, set more particularly, to a kind of paper feeding for die-cutting machine It is standby.

Background technique

The processing of corrugated paper usually requires die-cutting machine and is processed, wherein die-cutting machine be exactly utilize steel knife, hardware dies, Steel wire applies certain pressure by push type broach version, and printing or cardboard are rolled and are cut into certain shapes；It is to pack machine-shaping after printing Important equipment；When traditional die-cutting machine works, the feeding for processing cardboard is usually to be sent by artificial mode, and this mode is imitated Rate is extremely low, and often will appear the problem of cardboard is sent into inaccuracy and the finished product processed is caused to fail；In the prior art Also there is the paper feeding operation that die-cutting machine is carried out using mechanical equipment, but all generally existing paper feeding speed is not high, paper feeding stationarity is insufficient And the problem that the accuracy of paper feeding is not high.

Utility model content

In view of the deficiencies of the prior art, and a kind of stationarity fast the purpose of this utility model is to provide paper feeding speed is high Paper feeding equipment for die-cutting machine.

To achieve the above object, scheme provided by the utility model are as follows: a kind of paper feeding equipment for die-cutting machine includes Paperboard carriers, conveying device and driving means；The paperboard carriers are located at the paper feed port of the conveying device, wherein described Paperboard carriers are stacked in the cardboard heap at the conveying device paper feed port for support；The conveying device includes negative pressure transportation Mechanism and the gear paper knife being set at negative pressure transportation mechanism paper feed port；The negative pressure transportation mechanism include conveyer belt assembly with And air draught component, wherein the conveyer belt assembly includes the conveyer belt for accepting and transporting cardboard；It is opened on the conveyer belt There are multiple negative-pressure adsorption holes communicated with air draught component air inlet, wherein the negative-pressure adsorption hole absorption cardboard is transported with conveyer belt It is defeated；It further include having the undertaking board group for being set to the conveying device exit slot, wherein the undertaking board group includes to set gradually Undertaking section and positioning paper feeding section；The driving means includes multiple push sliding blocks, is set to positioning paper feeding section two sides Side mark group, positioning baffle and the jacking push rod moved back and forth along the vertical direction, wherein the positioning baffle and jacking push rod It is all set in the end of the positioning paper feeding section；The multiple push sliding block send cardboard from the undertaking section for accepting board group to positioning Paper section pushes so that cardboard block is on positioning baffle；The side mark group is used to carry out side positioning to cardboard in positioning paper feeding section； The jacking push rod is used to position the cardboard pushing tow after completing side positioning in paper feeding section to the die-cutting machine paper feed port being preset with.

Further, the side mark group includes that there are two the side mark plates for being respectively arranged at the positioning paper feeding section two sides；Two institutes State side mark plate under the driving for the side mark driving unit being preset with respectively and meanwhile press it is described positioning paper feeding section on cardboard two sides To carry out side positioning to cardboard.

Further, the undertaking board group includes multiple bearing plates being arranged side by side；The adjacent undertaking of any two It is formed between plate and pushes the push gap that sliding block moves back and forth for one, so that multiple push sliding block synchronizations will be delivered to It accepts the cardboard in section and pushes to positioning paper feeding section.

Further, the conveying device includes the paper feed deviation correction mechanism for being set to the conveying device paper feed port；It is described Paper feed deviation correction mechanism includes the fixed side panel and correction side plate for being respectively arranged at conveying device paper feed port two sides, wherein The fixed side panel fixed setting, meanwhile, the correction side plate is under the flexible driving unit driving being preset with, along perpendicular to institute The direction for stating the paper feed direction of conveying device paper feed port is moved back and forth to the cardboard for being set to the conveying device paper feed port Carry out press correction.

Further, the conveying device includes the guidance being set between the conveyer belt exit slot and the bearing plate Mechanism；The guiding mechanism includes to be set to multiple idler wheels side by side of top and be set to the multiple of lower section to accept rolling side by side Cylinder, wherein there are the gaps that feedboard passes through between the idler wheel and the undertaking roller.

Further, the conveyer belt assembly further includes that there are two conveying rollers disposed in parallel, wherein the conveyer belt assembly Conveyer belt around the driving motor driving rotation being overlying on two conveying rollers and one of conveying roller is preset with by one；The suction Wind component includes multiple air-suction trunks, wherein multiple air-suction trunks are respectively arranged at the inside of multiple conveyer belts and suction The air inlet of bellows is connected cooperation with the negative-pressure adsorption hole on conveyer belt；Be connected between multiple air-suction trunks and with The vacuum pump being preset with is connected.

It further, further include having fixed stand；The conveying device two sides are rotatably connected to the first transmission gear respectively；Institute It states paperboard carriers two sides and is rotatably connected to the second transmission gear respectively；Two groups of teeth item group is provided in the fixed stand, wherein Any one group of rack gear group includes two rack gears that are horizontally extending and being parallel to each other；The conveying device and the paper Board bracket passes through the first transmission gear and the second transmission gear respectively and is meshed cooperation with corresponding rack gear group to be slidably connected In in the fixed stand, wherein the conveying device passes through the transmission motor being preset with and drives first driving cog Wheel rotation, and the paperboard carriers pass through the manual turntable being preset with and drive the second transmission gear rotation.

Further, the driving means further includes having the push driving mechanism for driving the push sliding block to move back and forth；Institute Stating push driving mechanism includes that push sliding rail, the push arm of force being slidably connected on the push sliding rail and push driving are single Member；The push sliding block is connected to one end of the push arm of force, wherein the other end of the push arm of force and the push are driven Moving cell is connected by a cam being preset with；The push driving unit drives the cam rotation to drive the push The arm of force reciprocatingly slides to drive the push sliding block back and forth to move along the push gap by the push arm of force along the push sliding rail It is dynamic.

Compared with the prior art, the utility model has the beneficial effect that paper feeding equipment is generally disposed at the paper feed port of die-cutting machine, Cardboard is adsorbed on conveyer belt by air draught component and is conveyed, increases the stationarity of conveying, and in conveying device paper feed Mouth is provided with gear paper cutter mechanism to be ensured only enter a piece of cardboard every time for limiting；In the undertaking of conveying device exit slot setting Board group is for accepting cardboard and being carried out after accurate positionin adjustment cardboard by jacking push rod pushing tow by positioning baffle and side mark group To the paper feed port of die-cutting machine, in this way, a sheet by a sheet exactly of cardboard can be fed through die-cutting machine at high speed, entirely Transmission process without human intervention, high degree of automation.

Detailed description of the invention

Fig. 1 is the perspective view one of the utility model.

Fig. 2 is the perspective view two of the utility model.

Fig. 3 is the top view of the utility model.

Fig. 4 is the partial structural diagram one of the utility model.

Fig. 5 is enlarged drawing at the A of the utility model.

Fig. 6 is the partial structural diagram two of the utility model.

Fig. 7 is the partial structure side view one of the utility model.

Fig. 8 is the partial structure side view two of the utility model.

Fig. 9 is the side sectional view of the utility model.

Figure 10 is the conveying device of the utility model and the structural schematic diagram of paperboard carriers.

Wherein, 1- paperboard carriers, the second transmission gear of 11-, 2- conveying device, 21- negative pressure transportation mechanism, 211- conveyer belt Component, 211a- conveyer belt, 211b- negative-pressure adsorption hole, 211c- conveying roller, 212- air draught component, 212a- air-suction trunk, 22- keep off paper Knife, 23- paper feed deviation correction mechanism, 231- fixed side panel, 232- correction side plate, 24- guiding mechanism, 241- idler wheel, 242- accept rolling Cylinder, the first transmission gear of 25-, 3- driving means, 31- push sliding block, and 32- pushes sliding rail, and 33- pushes the arm of force, 34- cam, 4- Fixed stand, 41- accept board group, and 41a- accepts section, and 41b- positions paper feeding section, 411- bearing plate, and 42- pushes gap, 43- tooth Item, 44- positioning baffle, 5- side mark group, 6- jack push rod.

Specific embodiment

The utility model is described in further detail combined with specific embodiments below:

Referring to shown in attached drawing 1 to 10, the utility model is a kind of paper feeding equipment for die-cutting machine, and the paper feeding equipment is at this It is set in embodiment at the paper feed port of die-cutting machine comprising have paperboard carriers 1, conveying device 2 and driving means 3；Cardboard Bracket 1 is located at the paper feed port of conveying device 2, wherein paperboard carriers 1 are stacked in the paper at 2 paper feed port of conveying device for support Sheetpile；Conveying device 2 includes negative pressure transportation mechanism 21 and the gear paper knife 22 being set at 21 paper feed port of negative pressure transportation mechanism； Negative pressure transportation mechanism 21 includes conveyer belt assembly 211 and air draught component 212, wherein conveyer belt assembly 211 includes to be used for Accept and transport the conveyer belt 211a of cardboard；Multiple negative pressure communicated with 212 air inlet of air draught component are provided on conveyer belt 211a Adsorption hole 211b, wherein 211b absorption cardboard in negative-pressure adsorption hole is transported with conveyer belt；It further include being set to conveying device 2 to go out The undertaking board group 41 of paper mouth, wherein the undertaking board group 41 divides undertaking section 41a and positioning paper feeding section 41b to set gradually, and holds It meets section 41a and the outlet of the conveying device 2 is in mating connection, positioning paper feeding section 41b matches company with the paper feed port of die-cutting machine It connects；Driving means 3 includes multiple push sliding blocks 31, the side mark group 5 for being set to the positioning two sides paper feeding section 41b, positioning baffle 44 And the jacking push rod 6 moved back and forth along the vertical direction, wherein positioning baffle 44 and jacking push rod 6 are all set in positioning paper feeding The end of section 41b；It is multiple push sliding blocks 31 by cardboard from accept board group 41 undertaking section 41a to positioning paper feeding section 41b push with Make cardboard block on positioning baffle 44；Side mark group 5 is used to carry out side positioning to cardboard on positioning paper feeding section 41b；Jack push rod 6 For the cardboard pushing tow after completing side positioning on paper feeding section 41b will to be positioned to the die-cutting machine paper feed port being preset with；In this way Structure is put into cardboard heap between 2 paper feed port of paperboard carriers 1 and conveying device in advance, is inhaled by the negative pressure on conveyer belt 211a Attached hole 211b detaches the cardboard absorption of the bottom in cardboard heap upper to be delivered to holding for undertaking board group 41 to conveyer belt 211a It connects on section 41a, then is pushed to the cardboard accepted on section 41a on positioning paper feeding section 41b by driving means 3, wherein it is fixed to be set to The positioning baffle of the position end paper feeding section 41b carries out backstop positioning to cardboard, positions the side mark group 51 of the two sides paper feeding section 41b to cardboard Risen along the vertical direction by being set to the jacking push rod 6 below positioning paper feeding section 41b by the side top of cardboard after carrying out side positioning It rises to the paper feed port for the die-cutting machine being preset with.

In the present embodiment, jacking push rod 6 is driven by the elevation driving unit (such as the driving units such as hydraulic cylinder) being preset with Dynamic lifting.

In the present embodiment, it jacks push rod 6 and positioning baffle 44 can be integral structure, be also possible to split type knot Structure, if integral structure, positioning baffle 44 is fixed on jacking 6 top side of push rod in such a way that welding or screw are fixed With jacking push rod 6 move together, and positioning baffle 44 should be higher by the end of positioning paper feeding section 41b with；If split type knot Structure, positioning baffle 44 can be fixed in fixed stand 4 in such a way that welding or screw are fixed, and in positioning baffle 44 and be determined It is installed between the paper feeding section 41b of position for jacking push rod 6

In the present embodiment, side mark group 5 includes that there are two the side mark plates for being respectively arranged at the positioning two sides paper feeding section 41b；Two Side mark plate is in the two side mark driving units being preset with respectively (in the present embodiment, which uses telescopic cylinder) Under driving respectively simultaneously on pressure positioning paper feeding section 41b the two sides of cardboard the cardboard is adjusted to suitable position.

In the present embodiment, which includes multiple bearing plates 411 being arranged side by side；Driving means 3 includes There are multiple push sliding blocks 31, wherein be formed between the adjacent bearing plate 411 of any two and back and forth move for a push sliding block 31 Dynamic push gap 42, so that the synchronous cardboard that will be delivered on undertaking section 41a of multiple push sliding blocks 31 pushes to positioning paper feeding Section 41b.

In the present embodiment, conveying device 2 includes the paper feed deviation correction mechanism 23 for being set to 2 paper feed port of conveying device；Into Paper deviation correction mechanism 23 includes the fixed side panel 231 and correction side plate 232 for being respectively arranged at 2 paper feed port two sides of conveying device, In, fixed side panel 231 be fixedly installed, meanwhile, correction side plate 232 the flexible driving unit being preset in the present embodiment, stretch Contracting driving unit makees reciprocal move along the direction of the paper feed direction perpendicular to 2 paper feed port of conveying device using under telescopic cylinder driving It moves to carry out press correction to the cardboard for being set to 2 paper feed port of conveying device；Through this structure, it is ensured that cardboard can be accurately Into conveyer belt 211a.

In the present embodiment, conveying device 2 includes to be set to drawing between conveyer belt 211a exit slot and bearing plate 411 Lead mechanism 24；Guiding mechanism 24 includes to be set to multiple idler wheels side by side 241 of top and be set to the multiple of lower section to hold side by side Connect roller 242, wherein there are the gaps that feedboard passes through between idler wheel 241 and undertaking roller 242；It is conveyed from conveyer belt 211a Cardboard out enters on bearing plate 411 by the gap, which plays the role of guidance and transition, so that The cardboard transported out from conveyer belt 211a can be enter precisely intoed onto bearing plate 411.

In the present embodiment, specifically, when actual production is used, conveyer belt assembly 211 includes 3 conveyer belts 211a and two conveying roller 211c disposed in parallel, wherein 3 conveyer belt 211a are arranged side by side around being overlying on two conveying roller 211c And the driving motor driving rotation that one of conveying roller 211c is preset with by one；Air draught component 212 includes 3 air-suction trunks 212a, wherein 3 air-suction trunk 212a be respectively arranged at the inside of 3 conveyer belt 211a and the air inlet of air-suction trunk 212a with it is defeated It send and is connected cooperation with the negative-pressure adsorption hole 211b on 211a；Be connected between 3 air-suction trunk 212a and be preset with Vacuum pump is connected；Through this structure, the air in air-suction trunk 212a is sucked out as power original part by vacuum pump, from And the negative-pressure adsorption hole 211b on the conveyer belt 211a for the cooperation that be connected with the air inlet of air-suction trunk 212a form negative pressure will Cardboard is adsorbed on conveyer belt 211a, and three conveyer belts are synchronous circulating rotation works.

It in the present embodiment, further include having fixed stand 4；Paperboard carriers 1 and conveying device 2 are slidably connected to fixed frame On platform 4；Two groups of teeth item group is provided in fixed stand 4, wherein any one group of rack gear group includes two and prolong in the horizontal direction The rack gear 43 stretched and be parallel to each other；Specifically, which is respectively fixed with both side plate, the company of rotation between both side plate It is connected to first rotating shaft, the both ends of the first rotating shaft are pierced by both side plate respectively and its both ends is respectively and fixedly provided with the first transmission gear 25, and two First transmission gear 25 is meshed with rack gear group corresponding in fixed stand 4 cooperation respectively, by being preset with transmission driving The motor driven first rotating shaft rotates so that the moving horizontally in fixed stand 4 of conveying device 2；It in this way, can be with Freely adjust the position of conveying device 2；The second shaft is rotatably connected in the paperboard carriers 1, the both ends of the second shaft are worn respectively 1 two sides of paperboard carriers and its both ends are respectively fixed with the second transmission gear 11, two second transmission gears 11 and fixed stand 4 out Upper corresponding rack gear group is meshed cooperation, the manual operation manual turntable is passed through by the manual turntable being preset with so that this The rotation of two shafts is so that the moving horizontally in fixed stand 4 of paperboard carriers 1, specifically, one end of manual turntable are arranged Have first bevel gear, be provided with second bevel gear in second shaft, by first bevel gear and second bevel gear engage come The rotation that second transmission gear 11 is controlled by manual turntable is realized, by the position of manual adjustment paperboard carriers 1 to adapt to The dimensions length of different cardboards.

In the present embodiment, driving means 3 further includes the push driving mechanism for having driving push sliding block 31 to move back and forth；It pushes away Sending driving mechanism includes to push sliding rail 32, the push arm of force 33 being slidably connected on push sliding rail 32 and push driving unit In the present embodiment, push driving unit is using push driving motor；Push sliding block 31 is connected to one end of the push arm of force 33, In, the other end for pushing the arm of force 33 is connected with push driving unit by a cam 34 being preset with；Driving unit is pushed to drive The rotation of moving cam 34 is to drive the push arm of force 33 to reciprocatingly slide to drive push sliding block by the push arm of force 33 along push sliding rail 32 31 move back and forth along push gap 42；Specifically, which is mounted between 2 liang of conveying assemblies of conveying device Bottom, the push driving unit are installed on the driving means 3 by a fixed cross beam being preset with, wherein the fixed cross beam Both ends be respectively fixedly connected on the both side plate of conveying device 2.

In the present embodiment, the side mark group 5 by drive its movement side mark driving unit be fixed on fixed stand 4 to It is flexibly connected in the fixed stand 4；The undertaking board group is also securable in the fixed stand 4.

In the present embodiment, keep off the bottom of paper knife 22 between conveyer belt 211a at a distance from should be slightly larger than the thickness of a piece of cardboard Degree, with for cardboard heap input by gear paper knife 22 position-limiting action, only allow cardboard in lowest part a piece of cardboard by with Realize that cardboard enters conveying device 2 in an orderly manner a sheet by a sheet and conveyed.

In addition, it should be noted that, the specific embodiments described in this specification, each section title etc. can not Together, it is practical to be included in this for the equivalent or simple change that all structure, feature and principles according to the utility model patent concept are done In the protection scope of new patent.Those skilled in the art of the present invention can be to described specific embodiment It does various modifications or additions or is substituted in a similar manner, structure without departing from the utility model or surmount Range defined in the claims, all should belong to the protection range of the utility model.

Claims (8)

1. a kind of paper feeding equipment for die-cutting machine, it is characterised in that: include paperboard carriers (1), conveying device (2) and push away Send device (3)；The paperboard carriers (1) are located at the paper feed port of the conveying device (2), wherein the paperboard carriers (1) are used for Support is stacked in the cardboard heap at the conveying device (2) paper feed port；The conveying device (2) includes negative pressure transportation mechanism (21) and the gear paper knife (22) that is set at negative pressure transportation mechanism (21) paper feed port；The negative pressure transportation mechanism (21) includes Conveyer belt assembly (211) and air draught component (212), wherein the conveyer belt assembly (211) includes for accepting and transporting The conveyer belt (211a) of cardboard；Multiple negative pressure communicated with air draught component (212) air inlet are provided on the conveyer belt (211a) Adsorption hole (211b), wherein negative-pressure adsorption hole (211b) the absorption cardboard is transported with conveyer belt；Further include be set to it is described The undertaking board group (41) of conveying device (2) exit slot, wherein undertaking board group (41) includes the undertaking section set gradually (41a) and positioning paper feeding section (41b)；The driving means (3) include multiple push sliding blocks (31), be set to it is described positioning give The side mark group (5), positioning baffle (44) and the jacking push rod (6) moved back and forth along the vertical direction of the two sides paper section (41b), In, the positioning baffle (44) and jacking push rod (6) are all set in the end for positioning paper feeding section (41b)；It is the multiple to push away Sliding block (31) is sent to push cardboard so that cardboard block from undertaking section (41a) the Xiang Dingwei paper feeding section (41b) for accepting board group (41) In on positioning baffle (44)；The side mark group (5) is used to carry out side positioning to cardboard in positioning paper feeding section (41b)；The jacking Push rod (6) is used to position the cardboard pushing tow after completing side positioning on paper feeding section (41b) to the die-cutting machine paper feed port being preset with.

2. a kind of paper feeding equipment for die-cutting machine according to claim 1, it is characterised in that: side mark group (5) packet The side mark plate of described positioning two sides paper feeding section (41b) is respectively arranged at there are two including；The two side mark plates are in the side mark being preset with It is fixed to carry out side to cardboard to press the two sides of cardboard on positioning paper feeding section (41b) under the driving of driving unit simultaneously respectively Position.

3. a kind of paper feeding equipment for die-cutting machine according to claim 1, it is characterised in that: the undertaking board group (41) It include multiple bearing plates (411) being arranged side by side；It is formed between the adjacent bearing plate (411) of any two for one The push gap (42) that sliding block (31) move back and forth is pushed, so that multiple push sliding block (31) synchronizations will be delivered to undertaking section Cardboard on (41a) pushes to positioning paper feeding section (41b).

4. a kind of paper feeding equipment for die-cutting machine according to claim 1, it is characterised in that: the conveying device (2) It include the paper feed deviation correction mechanism (23) for being set to the conveying device (2) paper feed port；The paper feed deviation correction mechanism (23) includes There are the fixed side panel (231) for being respectively arranged at the conveying device (2) paper feed port two sides and correction side plate (232), wherein described Fixed side panel (231) fixed setting, meanwhile, correction side plate (232) is under the flexible driving unit driving being preset with, along vertical Directly move back and forth in the direction of the paper feed direction of the conveying device (2) paper feed port with to being set to the conveying device (2) The cardboard of paper feed port carries out press correction.

5. a kind of paper feeding equipment for die-cutting machine according to claim 1, it is characterised in that: the conveying device (2) It include the guiding mechanism (24) being set between the conveyer belt (211a) exit slot and the bearing plate (411)；It is described to draw Leading mechanism (24) includes to be set to multiple idler wheels side by side (241) of top and be set to the multiple of lower section to accept roller side by side (242), wherein there are the gaps that feedboard passes through between the idler wheel (241) and the undertaking roller (242).

6. a kind of paper feeding equipment for die-cutting machine according to claim 1, it is characterised in that: the conveyer belt assembly It (211) further include that there are two conveying roller disposed in parallel (211c), wherein the conveyer belt of the conveyer belt assembly (211) (211a) drives around the driving motor that on two conveying rollers (211c) and one of conveying roller (211c) is preset with by one is overlying on Rotation；The air draught component (212) includes multiple air-suction trunks (212a), wherein multiple air-suction trunks (212a) set respectively It is placed in the air inlet of the inside of multiple conveyer belts (211a) and air-suction trunk (212a) and the negative pressure on conveyer belt (211a) is inhaled Attached hole (211b) is connected cooperation；It is connected between multiple air-suction trunks (212a) and is connected with the vacuum pump being preset with It is logical.

7. a kind of paper feeding equipment for die-cutting machine according to claim 1, it is characterised in that: further include having fixed stand (4)；Conveying device (2) two sides are rotatably connected to the first transmission gear (25) respectively；Paperboard carriers (1) the two sides difference It is rotatably connected to the second transmission gear (11)；Two groups of teeth item group is provided on the fixed stand (4), wherein any one group of tooth Item group includes two rack gears (43) that are horizontally extending and being parallel to each other；The conveying device (2) and the cardboard Bracket (1) respectively by the first transmission gear (25) and the second transmission gear (11) and corresponding rack gear group be meshed cooperation with It is slidably connected on the fixed stand (4), wherein the conveying device (2) passes through the transmission motor being preset with and drives First transmission gear (25) rotation, and the paperboard carriers (1) pass through the manual turntable being preset with and drive described second to pass Moving gear (11) rotation.

8. a kind of paper feeding equipment for die-cutting machine according to claim 3, it is characterised in that: the driving means (3) It further include having the push driving mechanism for driving push sliding block (31) to move back and forth；The push driving mechanism includes push Sliding rail (32), the push arm of force (33) being slidably connected on push sliding rail (32) and push driving unit；The push Sliding block (31) is connected to one end of the push arm of force (33), wherein the other end of the push arm of force (33) and the push Driving unit is connected by a cam (34) being preset with；The push driving unit drives cam (34) rotation to drive The push arm of force (33) is moved to reciprocatingly slide to drive the push to slide by the push arm of force (33) along the push sliding rail (32) Block (31) is moved back and forth along the push gap (42).