CN114472688A

CN114472688A - Punch press for machining lifter

Info

Publication number: CN114472688A
Application number: CN202210033473.6A
Authority: CN
Inventors: 盛爱珠
Original assignee: Shanghai Wusong Construction Machinery Factory Co ltd
Current assignee: Shanghai Wusong Construction Machinery Factory Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-05-13
Anticipated expiration: 2042-01-12
Also published as: CN114472688B

Abstract

The utility model relates to a technical field of lift discloses a punch press for processing lift, and it includes the punch press body, the punch press body includes the lifter plate, is located base under the lifter plate, connects at the drift of lifter plate downside and is used for driving the power part of the vertical removal of lifter plate, the drift is provided with a plurality ofly and shape diverse along the horizontal direction, all is connected with a set of driving piece of installing in the lifter plate on every drift, the driving piece is used for driving respectively rather than the drift vertical removal who links to each other, set up the hole of stepping down that is located respectively under each drift on the base, one side in the hole of stepping down is equipped with the subassembly of polishing that is used for grinding panel bottom surface burr. This application can be at the through-hole of multiple form of shaping on panel, has the effect that work efficiency is high.

Description

Punch press for machining lifter

Technical Field

The application relates to the technical field of elevators, in particular to a punch press for machining an elevator.

Background

The elevator is a lifting device for carrying people or goods in the vertical direction, and is widely applied to the field of building construction, and through holes are punched on a plate by using a punch press in the production and processing processes.

In the related art, chinese patent No. CN202951797U discloses a punch press, which includes a punch press body, a punch provided on the punch press body, and a protective cover provided on the punch for preventing lubricating oil from splashing during operation and reducing the possibility of injury to workers.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the size of drift is invariable in the above-mentioned punch press body, and the punch press during operation can only be on panel shaping single form's through-hole, if the panel that is used for constituteing the lift need be equipped with the through-hole of multiple form, then need shift out panel from original punch press, stretch into again and carry out the processing operation on another punch press, waste time and energy, work efficiency is low, remains to improve.

Disclosure of Invention

In order to form the through hole of multiple form, improve work efficiency on panel, this application provides a punch press for processing lift.

The application provides a punch press for processing lift adopts following technical scheme:

the utility model provides a punch press for processing lift, includes the punch press body, the punch press body includes the lifter plate, is located base under the lifter plate, connects the drift of lifter plate downside and is used for driving the power part of lifter plate vertical movement, the drift is provided with a plurality ofly and shape diverse along the horizontal direction, all is connected with a set of driving piece of installing in the lifter plate on every drift, the driving piece is used for driving the drift vertical movement rather than linking to each other respectively, set up the hole of stepping down that is located under each drift respectively on the base, one side in the hole of stepping down is equipped with the subassembly of polishing that is used for grinding panel bottom surface burr.

By adopting the technical scheme, when the plate for assembling and forming the lifter is processed, an operator can move each punch to a state with different bottom end heights through the driving piece so as to punch the plate by using the punch with the lower bottom end, and then punch the plate to form the through hole with the same shape as the punch; the punches can be moved to the state that the bottom ends are the same in height through the driving piece, so that the plates can be synchronously punched by all the punches, and through holes in various forms can be formed on the plates at one time. Compared with the traditional punching mode, the punching mode can form through holes in various different forms, the process of repeatedly transferring the plates when the through holes in different forms are formed in the same plate is omitted, and the punching efficiency of the plates and the processing efficiency of the lifter are improved.

In addition, panel is die-cut by the drift back, and its surface inevitably can have the burr, and the subassembly of polishing can be after the die-cut burr that the grinding is located the panel bottom surface of panel to save the subsequent time of polishing of panel, improve product quality.

Optionally, the driving part comprises a driving cylinder arranged above the lifting plate, a piston rod of the driving cylinder downwards penetrates through the lifting plate and is fixedly connected with the punch, and a fixing groove for the top end of the punch to extend into is formed in the bottom surface of the lifting plate.

By adopting the technical scheme, when one punch is used for punching a plate, the piston rod of the driving cylinder connected with the punch can be extended, so that the punch is pushed to move downwards to a state that the bottom end of the punch is lower than other punches. Each drift drives its vertical removal of actuating cylinder control through the difference respectively for the punch press during operation can have the compound mode of multiple difference, thereby the through-hole of shaping multiple form on panel, and the practicality is strong. When the punch is not used, the top end of the punch can extend into the fixing groove, so that the structural compactness of the punch is improved.

Optionally, the drift includes the fixed part that links to each other with driving actuating cylinder and the movable part of sliding connection on the fixed part, the movable groove that extends along vertical direction is seted up to the bottom surface of fixed part, the top of movable part slides and sets up in the movable groove, be connected with the fastener that is used for dismantling the connection movable part on the fixed part.

Through adopting above-mentioned technical scheme, the drift during operation, except that usable fixed part and the synchronous die-cut panel of movable part, operating personnel still can be connected the movable part in the state that stretches out the fixed part to utilize the independent die-cut panel of movable part, thereby further richen the form pattern of shaping through-hole on the panel, the practicality is stronger. Because the movable part is detachably arranged on the fixed part, when the movable part is worn due to frequent use, an operator can also detach the movable part from the fixed part so as to replace the movable part independently, thereby prolonging the service life of the punch.

Optionally, the fastener includes the fastening bolt of threaded connection in the fixed part bottom, the movable part is offered on being close to fastening bolt's the lateral wall with fastening bolt screw-thread fit's fastening screw, the fastening screw is equipped with a plurality ofly and is the equidistance along vertical direction and distributes.

Through adopting above-mentioned technical scheme, the fixed part passes through fastening bolt with the movable part and is connected with the fastening screw, and intensity when both are connected is high, stability is good for difficult bending damage when die-cut panel alone of movable part. In addition, operating personnel still can with fastening bolt and the fastening screw thread fit of difference to change the length that the fixed part was stretched out to the movable part, thereby the different thickness of adaptation panel, or the recess of the different degree of depth of punching press formation on panel, further improved the practicality of punch press.

Optionally, the polishing assembly comprises a positioning block, a grinding sheet fixed on the upper side of the positioning block and a rotating motor used for driving the positioning block to rotate in the circumferential direction, an output shaft of the rotating motor is fixedly connected with the positioning block, a containing groove extending horizontally is formed in the hole wall of the abdicating hole, and a moving member used for driving the polishing assembly to move horizontally into or out of the containing groove is arranged in the containing groove.

Through adopting above-mentioned technical scheme, the drift during operation, the accessible moving member will polish in the subassembly immigration holding tank to the subassembly of polishing influences the waste material whereabouts that is cut off by the drift on the panel. After the work of drift, the accessible moving member will polish the subassembly and move to the hole of stepping down, and rethread rotates motor drive locating piece and dull polish piece and rotates to utilize the high-speed pivoted dull polish piece to polish the burr of panel bottom surface. When polishing, an operator only needs to control a switch for starting the rotating motor, and the polishing machine is simple and convenient to operate, high in polishing efficiency and good in grinding effect.

Optionally, the moving member includes a moving cylinder and a moving plate fixedly connected to a piston rod of the moving cylinder, and the rotating motor is disposed on the moving plate.

Through adopting above-mentioned technical scheme, the subassembly of polishing is through its automatic immigration of removal cylinder control or shift out holding tank, and is easy and simple to handle, the removal efficiency of the subassembly of polishing is high, workman's low in labor strength.

Optionally, the upper end of the accommodating groove is closed, the moving plate includes a moving part fixedly connected with a piston rod of the moving cylinder, a supporting part located right above the moving part, and a plurality of elastic members arranged between the moving part and the supporting part, and the elastic members can be deformed in a stretching manner in a vertical direction; when the elastic piece is in a natural state, the top surface of the sanding sheet is flush with the top surface of the base.

Through adopting above-mentioned technical scheme, the top of holding tank is sealed for the top can not expose when the holding tank is accomodate to the subassembly of polishing, and in order to avoid anomalous panel to stretch into the holding tank when the translation and to the piece that the subassembly of polishing caused wearing and tearing, dust and die-cut time formation is difficult for falling to the dull polish piece, polishes effectually, finished product high quality. When the polishing assembly is positioned in the accommodating groove, the polishing sheet is abutted against the top wall of the accommodating groove, and the elastic piece is in a compressed state and generates elasticity; when the subassembly of polishing shifted out the holding tank, the elasticity of elastic component can drive the bearing portion and shift up for the dull polish piece moves to the state of top surface and base parallel and level, so that the dull polish piece panel of polishing.

Optionally, the top of the positioning block is provided with a chamfer at one end close to and far away from the accommodating groove.

Through adopting above-mentioned technical scheme, the chamfer plays the effect of direction when the locating piece moves into or shifts out the holding tank for operating personnel need not to press the locating piece in step when utilizing the moving cylinder to make the subassembly income holding tank of polishing, operates convenient and fast more.

Optionally, a plurality of guide posts are integrally formed on the upper side of the moving portion, guide holes through which the guide posts respectively penetrate are formed in the supporting portion, and the guide posts are slidably arranged in the guide holes corresponding to the guide posts in a penetrating manner.

Through adopting above-mentioned technical scheme, guide post and guiding hole cooperation play and hinder removal portion and supporting portion in the effect that the horizontal direction produced relative movement, help the orderly removal of the overall stability of guarantee movable plate and the subassembly of polishing.

Optionally, a limiting block is fixed on the hole wall of the holding tank far away from the abdicating hole, the top surface of the limiting block is flush with the bottom surface of the bearing part when the elastic part is in a natural state, a guide inclined plane is arranged at the top of the limiting block at one end of the limiting block close to the holding tank, and the guide inclined plane is gradually inclined downwards from the connecting end of the limiting block and the base to the direction of the holding tank.

Through adopting above-mentioned technical scheme, when the movable plate moved into the hole of stepping down under the effect of moving cylinder, the stopper can stretch into the clearance that removal portion and supporting portion formed, and the stopper plays the spacing effect of butt this moment for the drift is difficult for pushing down the subassembly of polishing when stretching into the hole of stepping down because of the false action, helps the guarantee to polish the stability of subassembly during operation in vertical side. The inclined plane that leads plays the effect of direction on the one hand when the stopper level stretches into between removal portion and the supporting portion, and on the other hand can also guide the waste material whereabouts of die-cut formation to the waste material is piled up on the stopper and is influenced the operation of the subassembly of polishing.

In summary, the present application includes at least one of the following beneficial technical effects:

the lifting plate is connected with a plurality of punches in different shapes, and when plates are punched, an operator can move the punches to the states that the bottom ends are flush or the heights of the punches are different through different driving pieces, so that through holes in various shapes are punched and formed in the plates by one punch press, and the production efficiency of the lifter is improved;

each punch comprises a fixing part and a movable part which are connected in a sliding way and can be detached, and when the punch works, the movable part can be moved into or out of the fixing part, so that the plate is punched by using the fixing part or the movable part, the shape number of the formed through holes on the plate is further enriched, and the punch is high in practicability;

after the drift work, the subassembly of polishing can stretch into the hole of stepping down under the effect of moving cylinder to high-speed pivoted dull polish piece polishes the panel bottom surface under rotating motor drive, thereby improves the finished product quality of die-cut back panel.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

FIG. 2 is a schematic partial cross-sectional view of the lifter plate, punch and driver in an embodiment of the present application.

Fig. 3 is a schematic partial cross-sectional view of a base in an embodiment of the present application.

Fig. 4 is an enlarged schematic view at a in fig. 3.

Description of reference numerals:

1. a punch body; 11. a frame; 12. a lifting plate; 121. fixing grooves; 13. a base; 131. a hole of abdication; 132. accommodating grooves; 133. a limiting block; 134. a guide slope; 14. a punch; 141. a fixed part; 142. a movable portion; 143. a movable groove; 144. a connecting screw hole; 145. fastening screw holes; 15. a power member; 16. a drive member; 161. a driving cylinder; 2. a fastener; 21. fastening a bolt; 3. polishing the assembly; 31. positioning blocks; 311. chamfering; 32. grinding a sand sheet; 33. rotating the motor; 4. a moving member; 41. a moving cylinder; 42. moving the plate; 421. a moving part; 422. a bearing part; 423. an elastic member; 424. a guide post; 425. and (4) a guide hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a punch press for processing a lifter. Referring to fig. 1, the punch press for processing the elevator includes a punch press body 1, and the punch press body 1 in this embodiment is a hydraulic type punch press. The punch press body 1 comprises a frame 11, a lifting plate 12, a base 13 located right below the lifting plate 12, a punch 14 connected to the lifting plate 12 and a power part 15 arranged on the frame 11 and used for driving the lifting plate 12 to vertically move, wherein the base 13 is fixedly arranged on the frame 11. The power member 15 in this embodiment is a hydraulic cylinder, and a piston rod of the hydraulic cylinder faces downward vertically and is fixedly connected with the lifting plate 12 to drive the lifting plate 12 to move vertically.

Referring to fig. 1 and 2, a plurality of punches 14 are provided and distributed in the horizontal direction, and the cross-sectional shapes of the punches 14 are different from each other. Specifically, the present embodiment illustrates the structure in which the punches 14 are provided in two and distributed along the feeding direction of the sheet material, wherein the cross section of one punch 14 is circular and the cross section of the other punch 14 is square. In other embodiments, the punches 14 may be provided in other numbers or shapes.

Referring to fig. 1 and 2, driving members 16 equal in number to the punches 14 are connected to the lifting plate 12, and each driving member 16 is located directly above a different punch 14 and is used for driving the punch 14 located adjacent to the driving member to move vertically. The driving member 16 in this embodiment includes a driving cylinder 161 installed on the upper side of the lifting plate 12, and a piston rod of the driving cylinder 161 faces downward and is fixed to the top end of the punch 14 through the lifting plate 12. When the piston rod of the driving cylinder 161 extends, the ram 14 moves vertically. In other embodiments, the driving cylinder 161 may be provided with other power structures such as a hydraulic cylinder and an electric push rod. In actual work, an operator can move the designated punch 14 downwards to a state that the bottom end is lower than other punches 14 according to requirements, so that the punch 14 can be used for punching and forming a through hole in a designated shape on a plate; or the bottom ends of the punches 14 are moved to be flush, so that through holes with different shapes are synchronously formed on the plate by using all the punches 14, and the punching efficiency of the punching machine on the plate is improved.

Referring to fig. 1 and 2, each punch 14 includes a fixed portion 141 and a movable portion 142 detachably connected by a fastener 2, a top end of the fixed portion 141 is fixedly connected to a piston rod of the driving cylinder 161, a bottom surface of the fixed portion 141 is provided with a movable groove 143 extending in a vertical direction, a top end of the movable portion 142 is slidably disposed in the movable groove 143, and a length of the movable portion 142 is smaller than a depth of the movable groove 143, so that the movable portion 142 can completely extend into the movable groove 143. In order to improve the compactness of the punch press, a fixing groove 121 for the top end of the fixing portion 141 to extend into is formed in the bottom surface of the lifting plate 12, and the fixing portion 141 can extend into the fixing groove 121 under the action of the driving cylinder 161, so as to reduce the occupied space of the punch 14 when the punch is idle.

Referring to fig. 1 and 2, in the present embodiment, two sets of fastening members 2 are provided for each punch 14, and the two sets of fastening members 2 are respectively provided at two sides of the movable portion 142 for fastening and connecting the fixed portion 141 and the movable portion 142. Each group of fasteners 2 comprises a fastening bolt 21 which is in threaded connection with the bottom end of the fixing part 141, a connecting screw hole 144 for the fastening bolt 21 to be screwed in is formed in the fixing part 141, a plurality of fastening screw holes 145 are formed in the side wall, close to the fastening bolt 21, of the movable part 142, a plurality of fastening screw holes 145 which are located on the same side of the movable part 142 are distributed at equal intervals along the vertical direction, and each fastening screw hole 145 can be in threaded fit with the fastening bolt 21. And the distance between the fastening screw hole 145 positioned at the lowest position in the movable part 142 and the bottom surface of the movable part 142 is equal to the distance between the connecting screw hole 144 and the bottom surface of the fixed part 141, so that when the fastening bolt 21 is in threaded connection with the fastening screw hole 145 positioned at the lowest position, the bottom surface of the movable part 142 is flush with the bottom surface of the fixed part 141, and both the fixed part 141 and the movable part 142 can be in contact with the sheet material when the punch 14 works, thereby being beneficial to improving the punching effect of the punch 14 on the sheet material. In addition, the operator may further form a through hole of more sizes by punching the plate material using the movable portion 142 by connecting the fastening bolt 21 with other fastening screw holes 145 such that the movable portion 142 protrudes out of the movable groove 143.

Referring to fig. 1 and 3, the base 13 is provided with the same number of relief holes 131 as the number of the punches 14, each relief hole 131 is located directly below a different punch 14, and the shape of each relief hole 131 is the same as that of the punch 14 located directly above the relief hole, so that the scraps punched by the punches 14 on the plate material fall.

Referring to fig. 3 and 4, a horizontally extending accommodating groove 132 is formed in the hole wall of each of the yielding holes 131 to accommodate the grinding assembly 3 for grinding burrs on the bottom surface of the plate. In order to prevent the top end of the polishing assembly 3 from being exposed, the top end of the accommodating groove 132 is closed in this embodiment, and the accommodating groove 132 is provided with a moving member 4 for driving the polishing assembly 3 to move into or out of the abdicating hole 131. The grinding assembly 3 comprises a positioning block 31, a grinding sheet 32 fixed on the upper side of the positioning block 31 and a rotating motor 33 located below the positioning block 31, wherein an output shaft of the rotating motor 33 is fixedly connected with the positioning block 31 and used for driving the positioning block 31 and the grinding sheet 32 to rotate in the circumferential direction.

Referring to fig. 3 and 4, the moving member 4 in this embodiment includes a moving cylinder 41 and a moving plate 42, a cylinder of the moving cylinder 41 is disposed in the receiving groove 132, a piston rod is horizontally disposed toward the avoiding hole 131 and is fixedly connected to the moving plate 42, so as to drive the moving plate 42 to extend into or move out of the avoiding hole 131. In another embodiment, the moving cylinder 41 may be replaced with a hydraulic cylinder, an electric push rod, or the like.

Referring to fig. 3 and 4, the moving plate 42 includes a moving portion 421, a supporting portion 422 located directly above the moving portion 421, and an elastic member 423 disposed between the moving portion 421 and the supporting portion 422, wherein the moving portion 421 is L-shaped and is fixedly connected to the piston rod of the moving cylinder 41, and the rotating motor 33 is disposed on the moving portion 421. The elastic members 423 are disposed in a plurality and uniformly distributed between the supporting portion 422 and the moving portion 421. The elastic member 423 in this embodiment is preferably a return spring, the extension direction of the return spring is vertical, and when the return spring is in a natural state and the polishing assembly 3 moves out of the accommodating groove 132, the top surface of the sanding sheet 32 is flush with the top surface of the base 13, so that the sanding sheet 32 polishes burrs on the bottom surface of the plate material when rotating. When not using grinding component 3, can be with grinding component 3 income holding tank 132 to grinding component 3 influences the blanking of waste material, reset spring is in compression deformation state this moment. In other embodiments, the elastic member 423 may also be a spring plate.

Referring to fig. 3 and 4, in order to prevent the supporting portion 422 and the moving portion 421 from moving relatively in the horizontal direction, which would affect the movement of the polishing assembly 3 out of the accommodating groove 132, a plurality of guide posts 424 are integrally formed on the upper side of the moving portion 421. The supporting portion 422 is provided with guide holes 425 aligned with the guide posts 424 in the same number, and each guide post 424 is slidably inserted into the corresponding guide hole 425. In addition, in order to facilitate the grinding assembly 3 to be retracted into the receiving groove 132, a chamfer 311 is further provided at the top of the positioning block 31 at an end thereof close to and away from the receiving groove 132, and the chamfer 311 can play a guiding role when the positioning block 31 moves into the receiving groove 132. It should be noted that: the positioning block 31 and the sanding sheet 32 mentioned in this embodiment may be set to be square, or may be set to be round, or any other shape that does not affect the rotation of the sanding sheet 32 in the abdicating hole 131.

Referring to fig. 3 and 4, in order to improve the stability of the movable plate 42 when the grinding assembly 3 extends into the avoiding hole 131, a limiting block 133 is fixed on the wall of the avoiding hole 131 far away from the accommodating groove 132, and the limiting block 133 is flush with the bottom surface of the supporting part 422 when the elastic member 423 is in a natural state. With such an arrangement, when the moving plate 42 is reset after moving out of the accommodating groove 132, along with the continuous pushing of the moving cylinder 41, the limiting block 133 extends between the supporting portion 422 and the moving portion 421, so as to support the supporting portion 422. In order to facilitate the movement of the limiting block 133 into the space between the supporting portion 422 and the moving portion 421 and the blanking of the waste, a guiding inclined plane 134 is further disposed at the top of the limiting block 133 at one end of the limiting block close to the receiving groove 132.

The implementation principle of the punch press for processing the elevator in the embodiment of the application is as follows: when punching plates for assembling the lifter, because the lifting plate 12 is connected with punches 14 with various shapes, an operator can move the punches 14 to a state with different bottom heights through a driving piece 16 during working so as to punch the plates by using the punch 14 with the lowest bottom height, thereby forming a through hole with a specified shape on the plates; or the bottom ends of the punches 14 are moved to be flush with each other to simultaneously punch the sheet material by the plurality of punches 14, thereby forming the through holes of various shapes in one step on the sheet material. When punching, the operation personnel is not needed to repeatedly transfer the plates to different punching machines, through holes in various forms can be formed in one punching machine, and the working efficiency is higher. In addition, after punching, the grinding component 3 can move into the abdicating hole 131 under the action of the moving piece 4, so that the rotating grinding piece 32 grinds burrs on the bottom surface of the plate, and the quality of a finished product is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a punch press for processing lift, includes punch press body (1), punch press body (1) includes lifter plate (12), is located base (13) under lifter plate (12), connects drift (14) of connection in lifter plate (12) downside and is used for driving power spare (15) of lifter plate (12) vertical movement, its characterized in that: drift (14) are provided with a plurality of and shape diverse along the horizontal direction, all are connected with a set of driving piece (16) of installing in lifter plate (12) on every drift (14), driving piece (16) are used for driving drift (14) vertical migration rather than linking to each other respectively, offer hole of stepping down (131) that are located respectively under each drift (14) on base (13), one side of hole of stepping down (131) is equipped with polishing subassembly (3) that are used for grinding panel bottom surface burr.

2. A press for processing elevators according to claim 1, characterized in that: the driving piece (16) comprises a driving cylinder (161) arranged above the lifting plate (12), a piston rod of the driving cylinder (161) downwards penetrates through the lifting plate (12) and the punch (14) to be fixedly connected, and a fixing groove (121) for the top end of the punch (14) to stretch into is formed in the bottom surface of the lifting plate (12).

3. A press for processing elevators according to claim 1, characterized in that: drift (14) include fixed part (141) and the movable part (142) of sliding connection on fixed part (141) that link to each other with drive cylinder (161), movable groove (143) along vertical direction extension are seted up to the bottom surface of fixed part (141), the top of movable part (142) slides and sets up in movable groove (143), be connected with fastener (2) that are used for dismantling to connect movable part (142) on fixed part (141).

4. A press for machining elevators according to claim 3, characterized in that: fastener (2) are including fastening bolt (21) of threaded connection in fixed part (141) bottom, activity portion (142) are close to on the lateral wall of fastening bolt (21) offer with fastening bolt (21) screw-thread fit's fastening screw hole (145), fastening screw hole (145) are equipped with a plurality ofly and are the equidistance along vertical direction and distribute.

5. A press for processing elevators according to claim 1, characterized in that: grinding assembly (3) are including locating piece (31), fix at grinding piece (32) of locating piece (31) upside and be used for driving locating piece (31) circumferential direction's rotation motor (33), the output shaft and locating piece (31) fixed connection of rotation motor (33), the pore wall of abdicating hole (131) is equipped with holding tank (132) that the level extends, be provided with in holding tank (132) and be used for driving grinding assembly (3) level immigration or move out moving member (4) of holding tank (132).

6. A press for machining elevators according to claim 5, characterized in that: the moving part (4) comprises a moving cylinder (41) and a moving plate (42) fixedly connected with a piston rod of the moving cylinder (41), and the rotating motor (33) is arranged on the moving plate (42).

7. A press for machining elevators according to claim 6, characterized in that: the upper end of the accommodating groove (132) is closed, the moving plate (42) comprises a moving part (421) fixedly connected with a piston rod of the moving cylinder (41), a bearing part (422) positioned right above the moving part (421) and a plurality of elastic pieces (423) arranged between the moving part (421) and the bearing part (422), and the elastic pieces (423) can be subjected to telescopic deformation along the vertical direction; when the elastic piece (423) is in a natural state, the top surface of the sanding sheet (32) is flush with the top surface of the base (13).

8. A press for processing elevators according to claim 7, characterized in that: and chamfers (311) are arranged at the top of the positioning block (31) at one ends close to and far away from the accommodating groove (132).

9. A press for processing elevators according to claim 7, characterized in that: the upper side of the moving part (421) is integrally formed with a plurality of guide columns (424), the supporting part (422) is provided with guide holes (425) through which the guide columns (424) respectively penetrate, and the guide columns (424) are slidably arranged in the corresponding guide holes (425).

10. A press for processing elevators according to claim 7, characterized in that: it keeps away from on the pore wall of holding tank (132) and is fixed with stopper (133) to let a hole (131), the top surface and elastic component (423) of stopper (133) hold in the palm the bottom surface parallel and level of portion (422) when being in natural state, and the top of stopper (133) is equipped with direction inclined plane (134) in its one end that is close to holding tank (132), direction inclined plane (134) are by the direction downward sloping gradually of the link of stopper (133) and base (13) to holding tank (132).