CN206552801U

CN206552801U - Displacement mobile device for food production line

Info

Publication number: CN206552801U
Application number: CN201720176272.6U
Authority: CN
Inventors: 李董祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-02-27
Filing date: 2017-02-27
Publication date: 2017-10-13
Anticipated expiration: 2027-02-27

Abstract

A kind of displacement mobile device for food production line, includes the socket as supporting guide（1）, be set to and socket（1）The guide rod of slidingtype connection（4）, be set to and guide rod（4）Couple and produce the pushing block of thrust（5）, be arranged on guide rod（4）With socket（1）Between and act on guide rod（4）The compression spring of return motion（10）, be arranged on guide rod（4）Both sides face and be set to and pushing block（5）The Pneumatic extension cylinder I of contact connection（2）With pneumatic telescoping cylinder II（3）, pass through compression spring（10）Make guide rod（4）In socket（1）On move back and forth, when Pneumatic extension cylinder I（2）With pneumatic telescoping cylinder II（3）To pushing block（5）When applying thrust, guide rod（4）It is oriented to and drives pushing block（5）Reset, pushing block（5）Swing active force no longer act on Pneumatic extension cylinder I（2）With pneumatic telescoping cylinder II（3）On, Pneumatic extension cylinder is no longer directly used, therefore improve the performance and used life of Pneumatic extension cylinder.

Description

Displacement mobile device for food production line

First, technical field

The utility model is related to a kind of displacement mobile device, and dress is moved in especially a kind of displacement for food production line Put.

2nd, background technology

, it is necessary to carry out displacement movement to raw-food material, semi-finished product and finished product on food production line, so that food is former Material, semi-finished product and finished product are pushed on making station, and the displacement mobile device that thus be accordingly used in food production line is a kind of important Process components, are also all directly to use Pneumatic extension cylinder in the existing displacement mobile device for food production line, due to Raw-food material, semi-finished product and finished product it is in irregular shape, Pneumatic extension cylinder acts on pushing away on raw-food material, semi-finished product and finished product Point of force application, so as to produce swing active force to the pars contractilis of Pneumatic extension cylinder, have impact on the performance of Pneumatic extension cylinder in change And service life.

Based on existing technical problem, technical characteristic and technique effect, application technical scheme of the present utility model is made.

3rd, the content of the invention

Object of the present utility model is a kind of displacement mobile device for food production line.

In order to overcome above-mentioned technical disadvantages, the purpose of this utility model is to provide a kind of displacement for food production line and moved Dynamic device, therefore improve the performance and used life of Pneumatic extension cylinder.

To reach above-mentioned purpose, the utility model is adopted the technical scheme that：Include the socket as supporting guide, set The guide rod coupled with socket slidingtype is set to, is set to couple and produce the pushing block of thrust with guide rod, is arranged on and leads To between bar and socket and act on the compression spring of guide rod return motion, be arranged on guide rod both sides face and set For the Pneumatic extension cylinder I and pneumatic telescoping cylinder II coupled with pushing block contact.

Due to devising socket, Pneumatic extension cylinder I, Pneumatic extension cylinder II, guide rod, pushing block and compression spring, pass through Compression spring makes guide rod be moved back and forth in socket, when Pneumatic extension cylinder I and pneumatic telescoping cylinder II apply to pushing block During thrust, guide rod is oriented to and drives promotion block reset, and the swing active force of pushing block no longer acts on Pneumatic extension On cylinder I and pneumatic telescoping cylinder II, Pneumatic extension cylinder is no longer directly used, therefore improve the performance of Pneumatic extension cylinder and use the longevity Life.

The utility model is devised, according to positioning and guiding eliminate swing active force by way of socket, Pneumatic extension Cylinder I, Pneumatic extension cylinder II, guide rod, pushing block and compression spring are coupled to each other.

The utility model is devised, and also includes ball, balancing weight, limiting plate and rotary shaft,

The pars intermedia and guide rod that guide rod is arranged on socket are set to couple with socket slidingtype, Pneumatic extension cylinder I The both sides face and Pneumatic extension cylinder I and pneumatic telescoping cylinder II for being separately positioned on guide rod with pneumatic telescoping cylinder II are set respectively To be coupled by rotary shaft with socket, pushing block is set to couple with guide rod and pushing block is respectively set to and Pneumatic extension The pars contractilis contact connection of the pars contractilis of cylinder I and pneumatic telescoping cylinder II, between the pars contractilis of pushing block and Pneumatic extension cylinder I Ball is respectively arranged between the pars contractilis of pushing block and Pneumatic extension cylinder II and balancing weight is arranged on the bottom end of socket Portion, limiting plate is set to couple and leading with the barrel shell portion of Pneumatic extension cylinder I and the barrel shell portion contact of pneumatic telescoping cylinder II To being provided with compression spring between bar and socket.

The utility model is devised, and socket is set to strip and carries and the pars intermedia of socket is provided with splined portion, The upper end end face portion of socket is provided with U-shaped concave part and U-shaped concave part be set to it is symmetrical along the center line of splined portion Distribution, splined portion is arranged on the thickening part of socket and guide rod is arranged in splined portion, Pneumatic extension cylinder I and pneumatic stretches Contracting cylinder II is separately positioned in U-shaped concave part and rotary shaft is set to couple with the inwall rotary type of U-shaped concave part.

The utility model is devised, and guide rod is set to clava and the side surface part of guide rod is provided with spline part, The afterbody of guide rod is provided with flange pan portion and compression spring is set to be serially connected in guide rod, one end end of compression spring It is set to couple with socket contact and the other end end of compression spring is set to couple with being oriented to lever contact type.

The utility model is devised, and the barrel shell portion of Pneumatic extension cylinder I and the barrel shell portion of pneumatic telescoping cylinder II are respectively set to Couple with rotary shaft and the barrel shell portion of Pneumatic extension cylinder I and the barrel shell portion of pneumatic telescoping cylinder II are set to be embedded in rotary shaft In, it is respectively arranged with arc-shaped depression portion in the end face of the pars contractilis of Pneumatic extension cylinder I and the end face of pars contractilis of pneumatic telescoping cylinder II And ball is separately positioned in the arc-shaped depression portion of the arc-shaped depression portion of Pneumatic extension cylinder I and pneumatic telescoping cylinder II.

The utility model is devised, and the contour line that pushing block is set to the front face of strip shape body and pushing block is set to Arc.

The utility model is devised, and ball is set to orbicule and ball is set to be embedded in socket, and ball is set to Couple with socket universal joint.

The utility model is devised, and balancing weight is set to bar shape.

The utility model is devised, and limiting plate is set to L-shaped plates and limiting plate is set to spiral-lock and stretched pneumatic In the barrel shell portion of contracting cylinder I and the barrel shell portion of pneumatic telescoping cylinder II.

The utility model is devised, socket, guide rod, pushing block and compression spring and Pneumatic extension cylinder I and Pneumatic extension Cylinder II is set to be distributed in the way of directional push moves linearly and Pneumatic extension cylinder I and pneumatic telescoping cylinder II and rotary shaft It is set to be distributed in the way of horizontality is kept with limiting plate, Pneumatic extension cylinder I and pneumatic telescoping cylinder II are set with ball To be distributed and the center line of socket, the center line of guide rod, the center line of pushing block, matching somebody with somebody in the way of in effect on one point The center line of the center line of pouring weight, the center line of limiting plate and compression spring is arranged on same straight line, the center point of ball On the center line for not being arranged on the center line of Pneumatic extension cylinder I and pneumatic telescoping cylinder II.

In the technical program, the socket for swinging active force, Pneumatic extension cylinder I, Pneumatic extension are eliminated by positioning and guiding Cylinder II, guide rod, pushing block and compression spring are important technical characteristic, in the skill of the displacement mobile device for food production line In art field, with novelty, creative and practicality, the term in the technical program is all can be with the art Patent document explain and understand.

4th, illustrate

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is schematic diagram of the present utility model.

5th, embodiment

According to guidelines for examination, to such as " having ", "comprising" and " comprising " term should used in the utility model It is interpreted as the presence or addition for not allotting one or more of the other element or its combination.

, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are the orientation or position relationship of general expression, merely to It is easy to description the utility model and simplifies description, rather than indicates or imply that the device or element of meaning there must be specifically side Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

As long as in addition, technical characteristic involved in the utility model different embodiments disclosed below is each other Not constituting conflict can just be combined with each other.

Below in conjunction with the utility model embodiment, the technical scheme in the utility model embodiment is carried out it is clear, It is fully described by, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole embodiments. Based on the embodiment in the utility model, what those of ordinary skill in the art were obtained under the premise of creative work is not made Every other embodiment, belongs to the scope of the utility model protection.

Fig. 1 is one embodiment of the present utility model, and the present embodiment is illustrated with reference to accompanying drawing, includes socket 1, pneumatic Telescoping cylinder I 2, Pneumatic extension cylinder II 3, guide rod 4, pushing block 5, ball 6, balancing weight 7, limiting plate 8, rotary shaft 9 and compression bullet Spring 10,

Guide rod 4 is arranged on the pars intermedia of socket 1 and guide rod 4 is set to couple with the slidingtype of socket 1, Pneumatic extension Cylinder I 2 and pneumatic telescoping cylinder II 3 are separately positioned on the both sides face and Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder II 3 of guide rod 4 It is respectively set to socket 1 couple by rotary shaft 9, pushing block 5 is set to couple with guide rod 4 and pushing block 5 is set respectively It is set to and couples with the pars contractilis of Pneumatic extension cylinder I 2 and the pars contractilis contact of pneumatic telescoping cylinder II 3, is stretched in pushing block 5 with pneumatic Ball 6 and counterweight are respectively arranged between the pars contractilis of contracting cylinder I 2 between the pars contractilis of pushing block 5 and Pneumatic extension cylinder II 3 Block 7 is arranged on the bottom terminal ends of socket 1, and limiting plate 8 is set to and the barrel shell portion of Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder II 3 Barrel shell portion contact couples and compression spring 10 is provided between guide rod 4 and socket 1.

In the present embodiment, socket 1 is set to strip and carries and the pars intermedia of socket 1 is provided with splined portion 12, The upper end end face portion of socket 1 is provided with U-shaped concave part 11 and U-shaped concave part 11 is set to along the center of splined portion 12 Line is symmetrical, and splined portion 12 is arranged on the thickening part of socket 1 and guide rod 4 is arranged in splined portion 12, pneumatic to stretch Contracting cylinder I 2 and pneumatic telescoping cylinder II 3 are separately positioned in U-shaped concave part 11 and rotary shaft 9 is set to and U-shaped concave part 11 inwall rotary type connection.

In the U-shaped concave part 11 of socket 1, Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder II 3 are coupled with socket 1, In the splined portion 12 of socket 1, guide rod 4 is moved along a straight line.

In the present embodiment, guide rod 4 is set to clava and the side surface part of guide rod 4 is provided with spline part, leads The afterbody of bar 4 is provided with flange pan portion and compression spring 10 is set to be serially connected in guide rod 4, one end of compression spring 10 End is set to couple with the contact of socket 1 and the other end end of compression spring 10 is set to join with the contact of guide rod 4 Connect.

When guide rod 4 carries out linear reciprocating motion in socket 1, the spline part of guide rod 4 is connected with socket 1, it is ensured that The precision of rectilinear motion of guide rod 4, while the spline part of guide rod 4 bears the impulsive force of pushing block 5.

In the present embodiment, the barrel shell portion of Pneumatic extension cylinder I 2 and the barrel shell portion of pneumatic telescoping cylinder II 3 be respectively set to Rotary shaft 9 couples and the barrel shell portion of Pneumatic extension cylinder I 2 and the barrel shell portion of pneumatic telescoping cylinder II 3 are set to be embedded in rotary shaft 9 In, in the end face and the end face of pars contractilis of pneumatic telescoping cylinder II 3 of the pars contractilis of Pneumatic extension cylinder I 2, to be respectively arranged with arc recessed Portion and ball 6 is separately positioned in the arc-shaped depression portion of the arc-shaped depression portion of Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder II 3.

By rotary shaft 9, make Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder II 3 respectively with the movable connection of socket 1, it is pneumatic to stretch The motive force of contracting cylinder I 2 and pneumatic telescoping cylinder II 3 is acted on ball 6.

In the present embodiment, pushing block 5 is set to strip shape body and the contour line of the front face of pushing block 5 is set to arc Shape.

When pushing block 5 carries out displacement movement to raw-food material, semi-finished product and finished product, pushing block 5 is to goods distribution of forces On straight line, the stability of goods movement and the correct performance of moving direction are improved.

In the present embodiment, ball 6 is set to orbicule and ball 6 is set to be embedded in socket 1, and ball 6 is set to Couple with the universal joint of socket 1.

By ball 6, the motive force of Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder II 3 is concentrated in socket 1.

In the present embodiment, balancing weight 7 is set to bar shape.

Pass through the Action of Gravity Field of balancing weight 7, it is ensured that socket 1 is horizontal, improve Pneumatic extension cylinder I 2 gentle The application point of the motive force of dynamic telescoping cylinder II 3.

In the present embodiment, limiting plate 8 is set to L-shaped plates and limiting plate 8 is set to spiral-lock in Pneumatic extension In the barrel shell portion of cylinder I 2 and the barrel shell portion of pneumatic telescoping cylinder II 3.

When Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder II 3 promote motion, by limiting plate 8, Pneumatic extension cylinder I 2 and the rotational angle of pneumatic telescoping cylinder II 3 positioned, it is ensured that Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder II 3 are in level State.

In the present embodiment, socket 1, guide rod 4, pushing block 5 and compression spring 10 and Pneumatic extension cylinder I 2 and pneumatic stretch Contracting cylinder II 3 be set to be distributed in the way of directional push moves linearly and Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder II 3 with Rotary shaft 9 and limiting plate 8 are set to be distributed in the way of horizontality is kept, Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder II 3 It is set to be distributed in the way of in effect on one point with ball 6 and the center line of socket 1, the center line of guide rod 4, promotes The center line of block 5, the center line of balancing weight 7, that the center line of the center line of limiting plate 8 and compression spring 10 is arranged on same is straight On line, the center of ball 6 is separately positioned on the center line of the center line of Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder II 3.

When raw-food material, semi-finished product and finished product are corresponding with pushing block 5, Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder II 3 Extension motion, thrust is produced to pushing block 5 by ball 6, and guide rod 4 carries out guiding movement, 5 pairs of foods of pushing block in socket 1 Product raw material, semi-finished product and finished product produce displacement movement, when Pneumatic extension cylinder I 2 and the contractile motion of pneumatic telescoping cylinder II 3, in compression In the presence of spring 10, guide rod 4 is replied in place, Pneumatic extension cylinder I 2 and the extension of pneumatic telescoping cylinder II 3 and contractile motion, pneumatic When telescoping cylinder I 2 and pneumatic telescoping cylinder II 3 produce angular turn, limiting plate 8 keeps Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder II 3 It is horizontal.

The utility model has lower feature：

1st, due to devising socket 1, Pneumatic extension cylinder I 2, Pneumatic extension cylinder II 3, guide rod 4, pushing block 5 and compression bullet Spring 10, makes guide rod 4 be moved back and forth in socket 1 by compression spring 10, when Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder When II 3 pairs of pushing blocks 5 apply thrust, guide rod 4 is oriented to and drives pushing block 5 to reset, the swing active force of pushing block 5 No longer act on Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder II 3, no longer directly use Pneumatic extension cylinder, therefore improve pneumatic The performance and used life of telescoping cylinder.

2nd, due to devising rotary shaft 9 and limiting plate 8, by rotary shaft 9 and limiting plate 8, make Pneumatic extension cylinder I 2 gentle Dynamic telescoping cylinder II 3 is active.

3rd, due to devising ball 6, by ball 6, Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder II 3 is made to produce scattered push away Power, makes the pars contractilis of Pneumatic extension cylinder I 2 and the pars contractilis of pneumatic telescoping cylinder II 3 be in free state.

4th, due to devising socket 1 and guide rod 4, by the positioning of spline, the kinematic accuracy of guide rod 4 is improved.

5th, due to devising technical characteristic of the present utility model, the work of set in the independent of technical characteristic and each other With, by experiment show, property indices of the present utility model for existing property indices be at least 1.7 times, lead to Crossing assessment has good market value.

Socket 1 that is also other and passing through positioning and guiding elimination swing active force, Pneumatic extension cylinder I 2, Pneumatic extension cylinder II 3, the technical characteristic that guide rod 4, pushing block 5 and compression spring 10 couple all is one of embodiment of the present utility model, and Each technical characteristic of embodiment described above can be combined arbitrarily, to meet Patent Law, patent regulation and examination The requirement of guide, the no longer embodiment to all possible combination of each technical characteristic in above-described embodiment are all described.

Therefore it is every to include as supporting guide in the displacement mobile device technical field for food production line Socket 1, the guide rod 4 for being set to couple with the slidingtype of socket 1, the promotion for being set to guide rod 4 couple and produce thrust Block 5, the compression spring 10 for being arranged between guide rod 4 and socket 1 and acting on the return motion of guide rod 4, it is arranged on guide rod 4 Both sides face and be set in the technology of the Pneumatic extension cylinder I 2 and pneumatic telescoping cylinder II 3 coupled with the contact of pushing block 5 Hold all in protection domain of the present utility model.

Claims

1. a kind of displacement mobile device for food production line, it is characterized in that：Include the socket as supporting guide（1）、 It is set to and socket（1）The guide rod of slidingtype connection（4）, be set to and guide rod（4）Couple and produce the promotion of thrust Block（5）, be arranged on guide rod（4）With socket（1）Between and act on guide rod（4）The compression spring of return motion（10）, set Put in guide rod（4）Both sides face and be set to and pushing block（5）The Pneumatic extension cylinder I of contact connection（2）With it is pneumatic Telescoping cylinder II（3）.

2. the displacement mobile device according to claim 1 for food production line, it is characterized in that：Led according to by positioning The mode for swinging active force to eliminating is socket（1）, Pneumatic extension cylinder I（2）, Pneumatic extension cylinder II（3）, guide rod（4）, promote Block（5）And compression spring（10）It is coupled to each other.

3. the displacement mobile device according to claim 1 for food production line, it is characterized in that：Also include ball （6）, balancing weight（7）, limiting plate（8）And rotary shaft（9）,

Guide rod（4）It is arranged on socket（1）Pars intermedia and guide rod（4）It is set to and socket（1）Slidingtype couples, pneumatic Telescoping cylinder I（2）With pneumatic telescoping cylinder II（3）It is separately positioned on guide rod（4）Both sides face and Pneumatic extension cylinder I（2）With Pneumatic extension cylinder II（3）It is respectively set to by rotary shaft（9）With socket（1）Connection, pushing block（5）It is set to and guide rod （4）Couple and pushing block（5）It is respectively set to and Pneumatic extension cylinder I（2）Pars contractilis and pneumatic telescoping cylinder II（3）It is flexible Portion's contact connection, in pushing block（5）With Pneumatic extension cylinder I（2）Pars contractilis between and pushing block（5）With Pneumatic extension cylinder II （3）Pars contractilis between be respectively arranged with ball（6）And balancing weight（7）It is arranged on socket（1）Bottom terminal ends, limiting plate （8）It is set to and Pneumatic extension cylinder I（2）Barrel shell portion and pneumatic telescoping cylinder II（3）Barrel shell portion contact couple and leading To bar（4）And socket（1）Between be provided with compression spring（10）.

4. the displacement mobile device according to claim 3 for food production line, it is characterized in that：Socket（1）It is set to Strip is carried and in socket（1）Pars intermedia be provided with splined portion（12）, in socket（1）Upper end end face portion be provided with U-shaped Connected in star portion（11）And U-shaped concave part（11）It is set to along splined portion（12）Center line it is symmetrical, splined portion （12）It is arranged on socket（1）Thickening part and guide rod（4）It is arranged on splined portion（12）In, Pneumatic extension cylinder I（2）It is gentle Dynamic telescoping cylinder II（3）It is separately positioned on U-shaped concave part（11）In and rotary shaft（9）It is set to and U-shaped concave part（11） Inwall rotary type connection.

5. the displacement mobile device according to claim 3 for food production line, it is characterized in that：Guide rod（4）Set For clava and in guide rod（4）Side surface part be provided with spline part, guide rod（4）Afterbody be provided with flange pan portion and Compression spring（10）It is set to be serially connected in guide rod（4）In, compression spring（10）One end end be set to and socket（1）Contact Formula couples and compression spring（10）Other end end be set to and guide rod（4）Contact couples.

6. the displacement mobile device according to claim 3 for food production line, it is characterized in that：Pneumatic extension cylinder I（2） Barrel shell portion and pneumatic telescoping cylinder II（3）Barrel shell portion be respectively set to and rotary shaft（9）Couple and Pneumatic extension cylinder I（2） Barrel shell portion and pneumatic telescoping cylinder II（3）Barrel shell portion be set to be embedded in rotary shaft（9）In, in Pneumatic extension cylinder I（2）Stretch The end face in contracting portion and pneumatic telescoping cylinder II（3）The end face of pars contractilis be respectively arranged with arc-shaped depression portion and ball（6）Set respectively Put in Pneumatic extension cylinder I（2）Arc-shaped depression portion and pneumatic telescoping cylinder II（3）Arc-shaped depression portion in.

7. the displacement mobile device according to claim 3 for food production line, it is characterized in that：Pushing block（5）Set For strip shape body and pushing block（5）The contour line of front face be set to arc.

8. the displacement mobile device according to claim 3 for food production line, it is characterized in that：Ball（6）It is set to Orbicule and ball（6）It is set to be embedded in socket（1）, ball（6）It is set to and socket（1）Universal joint couples.

9. the displacement mobile device according to claim 3 for food production line, it is characterized in that：Balancing weight（7）Set For bar shape,

Or limiting plate（8）It is set to L-shaped plates and limiting plate（8）Spiral-lock is set in Pneumatic extension cylinder I（2）Barrel shell Portion and pneumatic telescoping cylinder II（3）Barrel shell portion on.

10. the displacement mobile device according to claim 3 for food production line, it is characterized in that：Socket（1）, be oriented to Bar（4）, pushing block（5）And compression spring（10）With Pneumatic extension cylinder I（2）With pneumatic telescoping cylinder II（3）It is set to according to orientation The mode of rectilinear movement is promoted to be distributed and Pneumatic extension cylinder I（2）With pneumatic telescoping cylinder II（3）With rotary shaft（9）And limiting plate （8）It is set to be distributed in the way of horizontality is kept, Pneumatic extension cylinder I（2）With pneumatic telescoping cylinder II（3）With ball（6） It is set to be distributed and socket in the way of in effect on one point（1）Center line, guide rod（4）Center line, pushing block （5）Center line, balancing weight（7）Center line, limiting plate（8）Center line and compression spring（10）Center line be arranged on together On straight line, ball（6）Center be separately positioned on Pneumatic extension cylinder I（2）Center line and pneumatic telescoping cylinder II（3）In On heart line.