CN209396628U - Press - Google Patents

Abstract

The utility model provides a kind of press, is related to paper-plastic package machinery technical field, when keeping its concordant using the end face of hammer cash register paper to alleviate worker existing in the prior art, working efficiency is low, time-consuming and laborious technical problem.The press includes rack, driving mechanism and pressing plate；Rack opens up a working space；Pressing plate is located at working space, and parallel with the bottom surface of rack；Driving mechanism is installed on rack, is sequentially connected with pressing plate, and pressing plate can be driven to move back and forth along the direction of vertical pressing plate.Press provided by the utility model improves work efficiency, and saves manpower.

Description

Press

Technical field

The utility model relates to paper-plastic package machinery technical fields, more particularly, to a kind of press.

Background technique

Cash register paper needs that the cash register paper of big axis wide cut is first installed on slitting rewinder, by cutting and rewinding in production After form multiple rouleaus, multiple rouleaus can be sold after being packaged.But rouleau cash register in part is formed after cutting and rewinding Paper that there are end faces is not concordant, tower-shaped problem is presented.Now for the rouleau cash register paper of end face injustice, worker uses hammer pair The end face of rouleau cash register paper is beaten, and keeps it concordant, working efficiency is lower, time-consuming and laborious.

The information disclosed in the background technology section is intended only to deepen the understanding to the utility model general background technology, And it is not construed as recognizing or implying in any form that the information constitutes the prior art known in those skilled in the art.

Utility model content

The purpose of this utility model is to provide a kind of presses, use hammer to alleviate worker existing in the prior art When beaing the end face of cash register paper keeps its concordant, working efficiency is low, time-consuming and laborious technical problem.

To solve the above problems, the utility model the following technical schemes are provided:

A kind of press, including rack, driving mechanism and pressing plate；

The rack opens up a working space；

The pressing plate is located at the working space, and parallel with the bottom surface of the rack；

The driving mechanism is installed on the rack, is sequentially connected with the pressing plate, and the pressing plate can be driven along vertical The direction of the pressing plate moves back and forth.

Further, the press further includes sliding rail, and the sliding rail is arranged along the direction perpendicular to the pressing plate；

The pressing plate is slidably connected with the sliding rail.

Further, the press further includes sliding block, and the sliding block is slidably connected with the sliding rail, the pressing plate installation In the sliding block.

Further, the sliding block has the first oil nozzle, offers the first oil duct in the sliding block；

The Single port of first oil duct is connected to first oil nozzle, and another port is contacted with the sliding rail.

Further, the driving mechanism includes motor, eccentric wheel and drive rod；

The motor is installed on the rack；

The eccentric wheel is connect with the motor drive；

One end of the drive rod is rotationally connected with the eccentric end of the eccentric wheel, and the other end is rotationally connected with the pressure Plate.

Further, the driving mechanism further includes reduction gearbox, the shaft of the input shaft of the reduction gearbox and the motor Connection, output shaft are connect with the center of the eccentric wheel.

Further, the reduction gearbox includes intermeshing worm gear and worm screw；

The shaft of the motor is connect with one end of the worm screw；

The eccentric wheel is connect with the worm gear, the axis collinear of the pivot center of the eccentric wheel and the worm gear.

Further, the drive rod includes telescopic component, first connecting rod and second connecting rod；

One end of the first connecting rod is rotationally connected with the eccentric end of the eccentric wheel, the other end and the telescopic component Upper end connection；

One end of the second connecting rod is rotationally connected with the pressing plate, and the other end is connect with the lower end of the telescopic component.

Further, the telescopic component includes first sleeve, the second casing and adjusting rod；

First threaded hole in opening up in the first sleeve, one end is connected to the first connecting rod；

Second threaded hole in opening up in second casing, one end is connected to the second connecting rod；

The adjusting rod has the first thread segment being adapted to first threaded hole and fits with second threaded hole The second thread segment matched, and first thread segment is opposite with the thread rotary orientation of second thread segment；

First thread segment protrudes into first threaded hole, and second thread segment protrudes into second threaded hole.

Further, the first connecting rod has the second oil nozzle, opens up the second oil duct in the first connecting rod；Described second The Single port of oil duct is connected to second oil nozzle, and another port is contacted with the eccentric wheel；

The second connecting rod has third oil nozzle, opens up third oil duct in the second connecting rod；The one of the third oil duct Port is connected to the third oil nozzle, and another port is contacted with the pressing plate.

In conjunction with above technical scheme, the utility model bring beneficial effect is analyzed as follows:

The utility model provides a kind of press, which includes rack, driving mechanism and pressing plate；Rack opens up one Working space；Pressing plate is located at working space, and parallel with the bottom surface of rack；Driving mechanism is installed on rack, is driven and connects with pressing plate It connects, pressing plate can be driven to move back and forth along the direction of vertical pressing plate.

When the press works, driving mechanism drives pressing plate back and forth to transport in working space along the direction perpendicular to pressing plate It is dynamic, the not concordant cash register paper in end face is placed between the bottom surface of rack and pressing plate, movement of the pressing plate in the bottom surface close to rack In the process, the end face of cash register paper is flattened, pressing plate takes out the receipts that end face is driven plain in the motion process of the bottom surface far from rack Silver-colored paper places the not concordant cash register paper in another volume end face.It improves work efficiency, saves manpower.

Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating Structure specifically noted by book, claims and attached drawing is achieved and obtained.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 provides the structural schematic diagram of the press of embodiment for the utility model；

Fig. 2 is the front view of press provided by the embodiment of the utility model；

Fig. 3 is the left view of press provided by the embodiment of the utility model；

Fig. 4 is the structural schematic diagram of drive rod provided by the embodiment of the utility model.

Icon: 100- rack；110- top plate；120- bottom plate；130- side plate；140- support；200- driving mechanism； 210- motor；220- eccentric wheel；230- drive rod；231- telescopic component；2311- first sleeve；Second set of 2312- Pipe；2313- adjusting rod；232- first connecting rod；The second oil nozzle of 2321-；233- second connecting rod；2331- third oil nozzle； 240- reduction gearbox；300- pressing plate；400- sliding rail；500- sliding block；The first oil nozzle of 510-.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Embodiment is described in detail with reference to the accompanying drawing: Fig. 1 provides the press of embodiment for the utility model Structural schematic diagram；Fig. 2 is the front view of press provided by the embodiment of the utility model；Fig. 3 mentions for the utility model embodiment The left view of the press of confession；Fig. 4 is the structural schematic diagram of drive rod 230 provided by the embodiment of the utility model.

Embodiment 1

A kind of press is present embodiments provided, also referring to Fig. 1 to Fig. 4 in Figure of description.

As shown in Figure 1 to Figure 3, which includes rack 100, driving mechanism 200 and pressing plate 300；Rack 100 opens up one Working space；Pressing plate 300 is located at working space, and parallel with the bottom surface of rack 100；Driving mechanism 200 is installed on rack 100, It is sequentially connected with pressing plate 300, pressing plate 300 can be driven to move back and forth along the direction of vertical pressing plate 300.

Specifically, rack 100 is that driving mechanism 200 provides support, as shown in Figure 1, rack 100 includes top plate 110, bottom plate 120, side plate 130 and support 140, top plate 110 is parallel with bottom plate 120 and top plate 110 is located at 110 top of top plate, side plate 130 it is upper Side is connect with top plate 110, and the downside of side plate 130 is connect with bottom plate 120, and support 140 is set on top plate 110.Top plate 110, the space that bottom plate 120 and side plate 130 surround is working space, is the placement of cash register paper and the reciprocating motion of pressing plate 300 Provide space.The bottom surface of rack 100 refers to bottom plate 120 towards the surface of top plate 110.

Specifically, driving mechanism 200 is mounted on support 140, and working space and pressing plate 300 are protruded into one end of driving device Practice grade, the reciprocating motion for pressing plate 300 provides power.

Specifically, pressing plate 300 is plate, pressing plate 300 towards the surface of bottom plate 120 be plane, pressing plate 300 and rack 100 Bottom surface between for placing the not concordant cash register paper in end face, the bottom surface of rack 100 carries one end face of cash register paper, 300 court of pressing plate Pressure is provided to the other end of cash register paper to the surface of 100 bottom surface of rack.

Cash register paper mentioned in the embodiment refers to the cash register paper of the small roll-shape formed after cutting and rewinding.

Certainly, the structure of rack 100 is not described as limiting with above-mentioned to rack 100, and rack 100 can also be other The structure of support can be provided for driving mechanism 200.Such as rack 100 include bottom plate 120 and support rod, support rod along perpendicular to The direction of bottom plate 120 is set to bottom plate 120, is working space above bottom plate 120, and the upper surface of bottom plate 120 is rack 100 Bottom surface, driving mechanism 200 are installed on the shaft of support rod, and pressing plate 300 is parallel with the bottom surface of rack 100.

When the press works, driving mechanism 200 drives pressing plate 300 in working space along the side perpendicular to pressing plate 300 To reciprocating motion, the not concordant cash register paper in end face is placed between the bottom surface of rack 100 and pressing plate 300, pressing plate 300 is close In the motion process of the bottom surface of rack 100, the end face of cash register paper is flattened, movement of the pressing plate 300 in the bottom surface far from rack 100 In the process, the cash register paper that end face is driven plain is taken out, the not concordant cash register paper in another volume end face is placed.The press improves work Efficiency saves manpower.

Further, as shown in Figure 1 to Figure 3, press further includes sliding rail 400, and sliding rail 400 is along perpendicular to pressing plate 300 Direction setting；Pressing plate 300 is slidably connected with sliding rail 400.

Specifically, Fig. 1 to Fig. 3 shows sliding rail 400 there are two press tools, and two sliding rails 400 are along perpendicular to pressing plate 300 direction interval setting, pressing plate 300 are all connected with two sliding rails 400.Certainly, sliding rail 400 is also possible to one, three, four The other quantities such as a.

When work, driving mechanism 200 drives pressing plate 300 to move along sliding rail 400, and sliding rail 400 is the reciprocating motion of pressing plate 300 Guidance and support are provided, the run-off the straight in the end face applanation process to cash register paper of pressing plate 300 is prevented, guarantees the end of cash register paper The pressing quality in face.

Further, as shown in Figure 1 to Figure 3, press further includes sliding block 500, and sliding block 500 is slidably connected with sliding rail 400, Pressing plate 300 is installed on sliding block 500.

Specifically, Fig. 1 to Fig. 3 shows press tool there are two sliding block 500, and sliding block 500 is corresponded with sliding rail 400 Connection, pressing plate 300 are connect simultaneously with two sliding blocks 500, and band movable slider 500 is moved along sliding rail 400.Certainly, sliding block 500 can be with For the quantity such as one, three, four, each sliding rail 400 connects a sliding block 500 or multiple sliding blocks 500.

Sliding block 500 is slidably connected to sliding rail 400, and when pressing plate 300 moves back and forth, sliding block 500 can be the reciprocal of pressing plate 300 Movement provides guidance and support, prevents the run-off the straight in the end face applanation process to cash register paper of pressing plate 300, guarantees cash register paper End face pressing quality.

Further, as shown in Figure 1 to Figure 3, sliding block 500 has the first oil nozzle 510, and the first oil is offered in sliding block 500 Road；The Single port of first oil duct is connected to the first oil nozzle 510, and another port is contacted with sliding rail 400.

Specifically, when the press has multiple sliding blocks 500, each sliding block 500 all has the first oil nozzle 510 and first Oil duct.

Staff periodically can inject lubricating oil, the lubricating oil of the first oil duct to the first oil duct by the first oil nozzle 510 Contact gap of the sliding block 500 with sliding rail 400 is flowed to, lubrication is provided for sliding of the sliding block 500 on sliding rail 400, reduces sliding block 500 With the abrasion between sliding rail 400, while reduce pressing plate 300 reciprocating motion resistance, reduce driving mechanism 200 workload, It is energy saving.

Further, as shown in figures 1 and 3, driving mechanism 200 includes motor 210, eccentric wheel 220 and drive rod 230； Motor 210 is installed on rack 100；Eccentric wheel 220 and motor 210 are sequentially connected；One end of drive rod 230 is rotationally connected with bias The eccentric end of wheel 220, the other end are rotationally connected with pressing plate 300.

Specifically, motor 210 drives eccentric wheel 220 to rotate around the axis of itself, with off-axis on eccentric wheel 220 Protrusion, the protrusion are eccentric end, and one end of drive rod 230 is pivotally attached to the protrusion.

When it is implemented, continuous rotation after the energization of motor 210, drives eccentric wheel 220 around own axis, eccentric wheel 220 are moved back and forth with dynamic pressure plate 300 along the direction perpendicular to 100 bottom surface of rack by drive rod 230.200 energy of driving mechanism Enough allow motor 210 to realizing that driving pressing plate 300 moves back and forth during a direction continuous rotation, does not need motor 210 Change rotation direction, guarantees the work continuity of the press, and then guarantee the high efficiency flattened to cash register paper end face.

Driving mechanism 200 is not limitation with above structure, can also can drive pressing plate 300 along perpendicular to certainly for other The other structures that the direction of body moves back and forth.For example, driving mechanism 200 includes hydraulic cylinder and reversal valve, reversal valve and hydraulic cylinder Connection, the hydraulic stem of hydraulic cylinder are arranged perpendicular to pressing plate 300, and the free end of hydraulic stem is connect with pressing plate 300, and staff can be with The elongation and contraction of hydraulic stem are realized by operation reversal valve, and then realize that driving pressing plate 300 moves back and forth.

Further, as shown in figures 1 and 3, driving mechanism 200 further includes reduction gearbox 240, the input shaft of reduction gearbox 240 It is connect with the shaft of motor 210, output shaft is connect with the center of eccentric wheel 220.

Specifically, reduction gearbox 240 is mounted in rack 100, and motor 210 is installed on reduction gearbox 240, and motor 210 turns The input axis connection of axis and reduction gearbox 240.

Since the revolving speed of most of motor 210 is higher, if motor 210 is directly connect with eccentric wheel 220, eccentric wheel 220 Revolving speed it is too fast, the reciprocating motion of pressing plate 300 is too fast, it is possible to have little time take out press end face cash register paper and place end face not Concordant cash register paper.Increase reduction gearbox 240 between motor 210 and eccentric wheel 220, makes the revolving speed of motor 210 through reduction gearbox 240 It is transferred to eccentric wheel 220 after deceleration, slows down the speed of the reciprocating motion of pressing plate 300, while guaranteeing to flatten efficiency, gives work Personnel's grace time presses the cash register paper of end face and places the not concordant cash register paper in end face to take out.

Further, reduction gearbox 240 includes intermeshing worm gear and worm screw；The shaft of motor 210 and one end of worm screw Connection；Eccentric wheel 220 is connect with worm gear, the pivot center of eccentric wheel 220 and the axis collinear of worm gear.

Worm gear and worm structure can be realized biggish reduction ratio, and in the case where identical reduction ratio, reduction gearbox 240 is used Worm gear and worm structure more simply and can have lesser volume, facilitate installation of the reduction gearbox 240 in rack 100.

Certainly, reduction gearbox 240 is not limitation with worm gear and worm structure, and reduction gearbox 240 also may include parallel axes tooth Take turns the other structures forms such as slowing-down structure, bevel gear slowing-down structure.

Further, as shown in Figure 2 and Figure 4, drive rod 230 includes telescopic component 231, first connecting rod 232 and the second company Bar 233；One end of first connecting rod 232 is rotationally connected with the eccentric end of eccentric wheel 220, the upper end of the other end and telescopic component 231 Connection；One end of second connecting rod 233 is rotationally connected with pressing plate 300, and the other end is connect with the lower end of telescopic component 231.

Specifically, telescopic component 231 can stretch along length direction, realize 230 entire length of drive rod Change.

The drive rod 230 can realize the change of entire length by telescopic component 231, change pressing plate 300 and rack The distance between 100 bottom surface, and then the minimum range between 100 bottom surface of pressing plate 300 and rack is made to change, make the pressing Machine can flatten the end face of the cash register paper of different in width, enhance the adaptability of the press.Wherein, different in width Cash register paper refers to the length of web-like cash register paper in the axial direction.

Drive rod 230 is not limitation, drive rod 230 or other structures with above structure.For example, drive rod 230 be the elongate rod of an integral structure, and the eccentric end rotation connection of upper end and eccentric wheel 220, lower end and the rotation of pressing plate 300 connect It connects.

Further, as shown in figure 4, telescopic component 231 includes first sleeve 2311, the second casing 2312 and adjusting rod 2313；First threaded hole in opening up in first sleeve 2311, one end is connected to first connecting rod 232；It is opened up in second casing 2312 Interior second threaded hole, one end are connected to second connecting rod 233；Adjusting rod 2313 has the first screw thread being adapted to the first threaded hole Section and the second thread segment being adapted to the second threaded hole, and the first thread segment is opposite with the thread rotary orientation of the second thread segment；The One thread segment protrudes into the first threaded hole, and the second thread segment protrudes into the second threaded hole.

Specifically, as shown in figure 4, first sleeve 2311 and 232 integrally connected of first connecting rod, the second casing 2312 and second 233 integrally connected of connecting rod.Certain first sleeve 2311 and first connecting rod 232 and the second casing 2312 and second connecting rod 233 it Between can also using welding, bonding etc. modes be attached.

Due to the thread rotary orientation of the first thread segment and the second thread segment on the contrary, when rotating adjusting rod 2313 to a direction, First thread segment protrudes into the length of the first threaded hole and the second thread segment protrudes into the length of the second threaded hole while increasing and adds deduct It is few, the stretching along length direction of telescopic component 231 is realized, and then realize the change of 230 entire length of drive rod, So that the press is flattened the end face of the cash register paper of different in width, enhances the adaptability of the press.

Telescopic component 231 is not limitation with above structure, and telescopic component 231 can also can change length for other Structure.For example, telescopic component 231 includes the first telescoping tube, the second connecting tube and fixing bolt, the upper end of the first telescoping tube and the The second telescoping tube is protruded into the connection of one connecting rod, the lower end of the first telescoping tube, and the lower end of the second telescoping tube is connect with the second connecting rod, The front end of fixing bolt protrudes into the second telescoping tube along the radial direction of the second telescoping tube and is pushed against the lateral surface of the first telescoping tube； When needing to change 231 length of telescopic component, fixing bolt is rotated, the front end of fixing bolt is made to loosen the first telescoping tube, adjustment the One telescoping tube protrudes into the length of the second telescoping tube, rotates backward fixing bolt, so that the front end of fixing bolt is pushed against first again and stretches The lateral surface of the draw.

Further, as shown in figure 4, first connecting rod 232 has the second oil nozzle 2321, second is opened up in first connecting rod 232 Oil duct；The Single port of second oil duct is connected to the second oil nozzle 2321, and another port is contacted with eccentric wheel 220；Second connecting rod 233 has There is third oil nozzle 2331, third oil duct is opened up in second connecting rod 233；The Single port of third oil duct is connected to third oil nozzle 2331, Another port is contacted with pressing plate 300.

Staff can inject lubricating oil to the second oil duct by the second oil nozzle 2321, and lubricating oil enters first connecting rod Between 232 and the eccentric end of eccentric wheel 220, and then the rotation to the end of first connecting rod 232 in eccentric end is lubricated, and is reduced Abrasion between first connecting rod 232 and eccentric wheel 220, while reducing the resistance of the reciprocating motion of pressing plate 300, reduce motor 210 Workload, it is energy saving.Staff can inject lubricating oil to third oil duct by third oil nozzle 2331, and lubricating oil enters Between second connecting rod 233 and pressing plate 300, and then rotation of the second connecting rod 233 on pressing plate 300 is lubricated, reduces second Abrasion between connecting rod 233 and pressing plate 300, while the resistance of the reciprocating motion of pressing plate 300 is further decreased, reduce motor 210 Workload, it is energy saving.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of press, which is characterized in that including rack (100), driving mechanism (200) and pressing plate (300)；

The rack (100) opens up a working space；

The pressing plate (300) is located at the working space, and parallel with the bottom surface of the rack (100)；

The driving mechanism (200) is installed on the rack (100), is sequentially connected with the pressing plate (300), can drive described Pressing plate (300) is moved back and forth along the direction of the vertical pressing plate (300).

2. press according to claim 1, which is characterized in that the press further includes sliding rail (400), the sliding rail (400) it is arranged along the direction perpendicular to the pressing plate (300)；

The pressing plate (300) is slidably connected with the sliding rail (400).

3. press according to claim 2, which is characterized in that the press further includes sliding block (500), the sliding block (500) it is slidably connected with the sliding rail (400), the pressing plate (300) is installed on the sliding block (500).

4. press according to claim 3, which is characterized in that the sliding block (500) has the first oil nozzle (510), institute It states in sliding block (500) and offers the first oil duct；

The Single port of first oil duct is connected to first oil nozzle (510), and another port is contacted with the sliding rail (400).

5. press according to claim 1, which is characterized in that the driving mechanism (200) include motor (210), partially Heart wheel (220) and drive rod (230)；

The motor (210) is installed on the rack (100)；

The eccentric wheel (220) and the motor (210) are sequentially connected；

One end of the drive rod (230) is rotationally connected with the eccentric end of the eccentric wheel (220), and the other end is rotationally connected with institute State pressing plate (300).

6. press according to claim 5, which is characterized in that the driving mechanism (200) further includes reduction gearbox (240), the input shaft of the reduction gearbox (240) is connect with the shaft of the motor (210), output shaft and the eccentric wheel (220) center connection.

7. press according to claim 6, which is characterized in that the reduction gearbox (240) includes intermeshing worm gear And worm screw；

The shaft of the motor (210) is connect with one end of the worm screw；

The eccentric wheel (220) connect with the worm gear, and the pivot center of the eccentric wheel (220) and the axis of the worm gear are total Line.

8. press according to claim 5, which is characterized in that the drive rod (230) include telescopic component (231), First connecting rod (232) and second connecting rod (233)；

One end of the first connecting rod (232) is rotationally connected with the eccentric end of the eccentric wheel (220), and the other end stretches with described The upper end of component (231) connects；

One end of the second connecting rod (233) is rotationally connected with the pressing plate (300), the other end and the telescopic component (231) Lower end connection.

9. press according to claim 8, which is characterized in that the telescopic component (231) includes first sleeve (2311), the second casing (2312) and adjusting rod (2313)；

First threaded hole in opening up in the first sleeve (2311), one end is connected to the first connecting rod (232)；

Second threaded hole in opening up in second casing (2312), one end is connected to the second connecting rod (233)；

The adjusting rod (2313) have the first thread segment for being adapted to first threaded hole and with second threaded hole Second thread segment of adaptation, and first thread segment is opposite with the thread rotary orientation of second thread segment；

First thread segment protrudes into first threaded hole, and second thread segment protrudes into second threaded hole.

10. press according to claim 8, which is characterized in that the first connecting rod (232) has the second oil nozzle (2321), the second oil duct is opened up in the first connecting rod (232)；The Single port of second oil duct and second oil nozzle (2321) it is connected to, another port is contacted with the eccentric wheel (220)；

The second connecting rod (233) has third oil nozzle (2331), opens up third oil duct in the second connecting rod (233)；It is described The Single port of third oil duct is connected to the third oil nozzle (2331), and another port is contacted with the pressing plate (300).