CN213791261U

CN213791261U - Feeding device based on new material processing

Info

Publication number: CN213791261U
Application number: CN202022688310.0U
Authority: CN
Inventors: 陈丽霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-07-27
Anticipated expiration: 2030-11-19

Abstract

The utility model belongs to the technical field of throw the material device, especially, throw material device based on new material processing to the material device of throwing of present new material processing, effect when smashing the new material is poor, and the new material is after smashing, and the impurity of its inside doping is inconvenient sieves out, can't highly adjust the problem of using to the pan feeding mouth that different outside processing was established. The following scheme is proposed at present, and it includes the fixed plate, the top of fixed plate is fixed with two symmetrical risers, and the top of riser is fixed with the roof, and the inside of roof is fixed with the processing jar, and the inner wall of processing jar feed inlet department is fixed with the loading board. The utility model discloses a reciprocal over-and-under type rubbing crusher constructs, can be when realizing that the crushing oar one that all connects on two (mixing) shafts rotates simultaneously to can realize that crushing shaft can carry out reciprocal lift breakage when stirring to the new material, can make the crushing effect of new material better, the new material of being convenient for adds the material work of throwing in man-hour.

Description

Feeding device based on new material processing

Technical Field

The utility model relates to a throw material technical field, especially relate to a throw material device based on new material processing.

Background

In recent years, new materials researched and developed in the world mainly include new metal materials, fine ceramics, optical fibers and the like, which refer to newly developed or developing structural materials having excellent properties and functional materials having special properties.

The feeding device for the processing of the existing new material is poor in effect when the new material is crushed, and is not beneficial to being put into processing and used, and the new material is crushed, the internal doped impurities of the new material are inconvenient to screen out, the processing and the use of the new material are influenced, in addition, the feeding device cannot be used by adjusting the height of a feeding port arranged for different external processing, the use range is small, and therefore the feeding device based on the processing of the new material is designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a throw material device based on new material processing has solved the material device of throwing of present new material processing, and the effect when smashing the new material is poor, and the new material is after smashing, and the impurity of its inside doping is inconvenient sieves out, can't adjust the problem of using to the pan feeding mouth that different outside processing was established highly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a throw material device based on new material processing, which comprises a fixing plate and i, the top of fixed plate is fixed with two symmetrical risers, the top of riser is fixed with the roof, the inside of roof is fixed with the processing jar, the inner wall of processing jar feed inlet department is fixed with the loading board, the top of loading board is fixed with n type support, be connected with reciprocal over-and-under type rubbing crusher structure between n type support and the loading board, the inner wall of processing jar is fixed with the baffle, the bottom center department of baffle is fixed with the bin outlet, bin outlet department installs the solenoid valve, the below of bin outlet is equipped with the screen cloth of fixing at processing jar inner wall, the right side of screen cloth is equipped with the row's cinder notch of seting up at processing jar right side wall, be connected with shake mechanism between screen cloth and the baffle, the bottom of processing jar is connected with the discharge gate, discharge gate department is connected with telescopic bellows, be connected with adjustment mechanism between telescopic bellows and the roof.

Preferably, reciprocal over-and-under type rubbing crusher constructs including rotating two symmetrical (mixing) shafts of connection at the baffle top, and the equal equidistance of both sides wall of (mixing) shaft is fixed with a plurality of crushing oar one, and the top of two (mixing) shafts all is fixed with reciprocal lead screw, and the top of two reciprocal lead screws all is fixed with the axis of rotation, and two axes of rotation all rotate to be connected in the inside of loading board, and the equal screwed connection in the outside of two reciprocal lead screws has the sliding sleeve, is fixed with the lifter plate between two sliding sleeves.

Preferably, the top of lifter plate is fixed with the double-shaft motor, sets up on the loading board and runs through the passageway with double-shaft motor matched with, and double-shaft motor's lower output shaft runs through the lifter plate and is connected with crushing axle, and the equal equidistance of both sides wall of crushing axle is fixed with a plurality of crushing oars two.

Preferably, an upper output shaft of the double-shaft motor is fixed with a spline shaft, the outer side of the spline shaft is sleeved with a spline housing in a sliding mode, the spline housing is rotatably connected to the inside of the n-type support, the outer side of the spline housing is fixedly connected with a first gear, two sides of the first gear are connected with a second gear in a meshing mode, and the second gear is connected with the rotating shaft.

Preferably, the shaking mechanism comprises two symmetrical fixed outer rods fixed at the bottom of the partition plate, telescopic cavities are formed in the two fixed outer rods, two side walls of the two telescopic cavities are connected with guide blocks in a sliding mode, telescopic inner rods are fixed between the two guide blocks in the same telescopic cavity, the bottom end of each telescopic inner rod is connected with the top of the screen, and springs are arranged between the two guide blocks in the same telescopic cavity and the end portions of the telescopic cavities and sleeved on the outer sides of the telescopic inner rods.

Preferably, it is left (mixing) shaft bottom extension rigid coupling has drive bevel gear, and drive bevel gear's one side meshing is connected with driven bevel gear, and driven bevel gear's installation downthehole transmission shaft that is fixed with, the other end of transmission shaft rotate to be connected on left fixed outer rod, is equipped with the movable disk between left fixed outer rod and the driven bevel gear, and the edge rigid coupling of movable disk is in the outside of transmission shaft, and the bottom of baffle is seted up with movable disk matched with rotation cooperation groove.

Preferably, adjustment mechanism is including fixing the annular seat at the roof top, the top annular of annular seat rotates and is connected with the swivel becket, the bottom of swivel becket is fixed with annular sliding seat, annular sliding tray with annular sliding seat matched with is seted up at the top of annular seat, the inner wall of swivel becket is fixed with interior ring gear, interior ring gear meshing is connected with two symmetrical third gears, all be fixed with the screw rod in the mounting shaft hole of third gear, the inside at the roof is all rotated to the screw rod, the bottom of screw rod is all rotated and is connected the top at the fixed plate, the outer wall of swivel becket is fixed with outer ring gear, the outside meshing of outer ring gear is connected with gear four, the bottom of roof is fixed with driving motor, the equal threaded connection in the outside of screw rod has the carriage release lever, the equal sliding connection of one end of carriage release lever is on the riser, the other.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses among the reciprocal over-and-under type rubbing crusher constructs, under the cooperation of (mixing) shaft, reciprocal lead screw, axis of rotation, sliding sleeve, lifter plate, biax motor, integral key shaft, spline housing, gear one, gear two, can be when realizing that the crushing oar one that all connects on two (mixing) shafts carries out the rotation simultaneously to can realize that crushing shaft can carry out reciprocal lift breakage to the new material stirring in, can make the crushing effect of new material better, the new material of being convenient for adds the material work of throwing in man-hour.

2. The utility model discloses among the shake mechanism, through initiative bevel gear, driven bevel gear, the transmission shaft, the movable disk, fixed outer pole, the guide block, flexible interior pole, the cooperation of spring to rotate simultaneously through left (mixing) shaft, and under the linkage of a plurality of accessories when the solenoid valve is opened, realize the shake of screen cloth, and then can filter the new material disintegrating slag of whereabouts on the screen cloth, be convenient for can screen out the impurity in the new material disintegrating slag, the quality of new material disintegrating slag has been improved, and conveniently put into processing production.

3. The utility model discloses among the adjustment mechanism, at the annular seat, the swivel becket, interior ring gear, gear three, the screw rod, outer ring gear, gear four, under the cooperation of driving motor and carriage release lever, can be in the time of driving motor starts, thereby make gear four can drive the swivel becket that outer ring gear is connected and rotate, and make the interior ring gear that the swivel becket is connected can carry out the transmission to the screw rod that two gear three are connected respectively, because the screw rod with it carriage release lever threaded connection, and then make the telescopic bellows that two carriage release levers are connected can stretch out and draw back, be convenient for adjust the use to the height of the pan feeding mouth of different outside processing equipment, and application range is wide.

Drawings

Fig. 1 is a schematic structural diagram of a feeding device based on new material processing in front view;

fig. 2 is an enlarged schematic structural diagram of a position a of a feeding device based on new material processing according to the present invention;

fig. 3 is a schematic structural diagram of a bearing plate and an n-type bracket of a feeding device based on new material processing in a top view;

fig. 4 is an enlarged schematic structural diagram of a feeding device based on new material processing at a position B of the utility model;

fig. 5 is an enlarged schematic structural diagram of a C point of the feeding device based on new material processing.

In the figure: 1. a fixing plate; 2. a vertical plate; 3. a top plate; 4. processing the tank; 5. a carrier plate; 6. an n-type stent; 7. a partition plate; 8. a discharge outlet; 9. screening a screen; 10. a telescopic bellows; 11. a reciprocating lifting type crushing mechanism; 1101. a stirring shaft; 1102. a reciprocating screw rod; 1103. a rotating shaft; 1104. a sliding sleeve; 1105. a lifting plate; 1106. a double-shaft motor; 1107. a spline shaft; 1108. a spline housing; 1109. a first gear; 1110. a second gear; 12. a shaking mechanism; 1201. a drive bevel gear; 1202. a driven bevel gear; 1203. a drive shaft; 1204. a movable tray; 1205. fixing the outer rod; 1206. a guide block; 1207. a telescopic inner rod; 1208. a spring; 13. a slag discharge port; 14. an adjustment mechanism; 1401. an annular seat; 1402. a rotating ring; 1403. an inner gear ring; 1404. a third gear; 1405. a screw; 1406. an outer ring gear; 1407. a fourth gear; 1408. a drive motor; 1409. the rod is moved.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a feeding device based on new material processing comprises a fixed plate 1, vertical plates 2, a top plate 3, a processing tank 4, a bearing plate 5, an n-shaped bracket 6, a partition plate 7, a discharge outlet 8, a screen 9, a telescopic bellows 10, a reciprocating lifting type crushing mechanism 11, a stirring shaft 1101, a reciprocating screw rod 1102, a rotating shaft 1103, a sliding sleeve 1104, a lifting plate 1105, a double-shaft motor 1106, a spline shaft 1107, a spline housing 1108, a first gear 1109, a second gear 1110, a shaking mechanism 12, a driving bevel gear 1201, a driven bevel gear 1202, a transmission shaft 1203, a movable disc 1204, a fixed outer rod 1205, a guide block 1206, a telescopic inner rod 1207, a spring 1208, a slag discharge outlet 13, an adjusting mechanism 14, an annular seat 1401, a rotating ring 1402, an inner toothed ring 1403, a third gear 1404, a screw 1405, an outer toothed ring 1406, a fourth gear 1407, a driving motor and a moving rod 1409, wherein two symmetrical vertical plates 2, a top plate 3 is fixed at the top of a vertical plate 2, a processing tank 4 is fixed inside the top plate 3, a bearing plate 5 is fixed on the inner wall of a feed inlet of the processing tank 4, an n-type support 6 is fixed at the top of the bearing plate 5, a reciprocating lifting type crushing mechanism 11 is connected between the n-type support 6 and the bearing plate 5, a partition plate 7 is fixed on the inner wall of the processing tank 4, a discharge outlet 8 is fixed at the center of the bottom of the partition plate 7, an electromagnetic valve is installed at the discharge outlet 8, a screen 9 fixed on the inner wall of the processing tank 4 is arranged below the discharge outlet 8, a slag discharge outlet 13 arranged at the right side wall of the processing tank 4 is arranged at the right side of the screen 9, a shaking mechanism 12 is connected between the screen 9 and the partition plate 7, a discharge outlet is connected at the bottom of the processing tank 4, a telescopic corrugated pipe 10 is connected at the discharge outlet, an adjusting mechanism 14 is connected between the telescopic corrugated pipe 10 and the top plate 3, and four fastening screws are in threaded connection around the fixing plate 1, convenient and outside processing equipment's top fixed mounting, the inside of fixed plate 1 is seted up simultaneously and is run through the running-through cover mouth with outside processing equipment pan feeding mouth matched with, is convenient for sheathe the pan feeding mouth, still is equipped with fixed one on the right side wall of processing jar 4 and places the board, places and is equipped with the slipmat on the board, can place the outside household utensils that are convenient for connect the material on placing the board, and then makes outside household utensils can connect the material to the impurity of row's cinder notch 13 department discharge.

Further, the reciprocating lifting type crushing mechanism 11 comprises two symmetrical stirring shafts 1101 rotatably connected to the top of the partition plate 7, a plurality of crushing paddles I are fixed to two side walls of each stirring shaft 1101 at equal intervals, reciprocating screw rods 1102 are fixed to top ends of the two stirring shafts 1101, rotating shafts 1103 are fixed to top ends of the two reciprocating screw rods 1102, the two rotating shafts 1103 are rotatably connected to the inside of the bearing plate 5, sliding sleeves 1104 are spirally connected to outer sides of the two reciprocating screw rods 1102, a lifting plate 1105 is fixed between the two sliding sleeves 1104, a double-shaft motor 1106 is fixed to a top of the lifting plate 1105, a through channel matched with the double-shaft motor 1106 is formed in the bearing plate 5, a lower output shaft of the double-shaft motor 1106 penetrates through the lifting plate 1105 and is connected with a crushing shaft, a plurality of crushing paddles II are fixed to two side walls of the crushing shaft at equal intervals, a spline shaft 1107 is fixed to an upper output shaft of the double-shaft motor 1106, and a spline sleeve 1108 is slidably sleeved on the outer side of the spline shaft, spline housing 1108 is connected in n type support 6's inside rotationally, and the outside rigid coupling of spline housing 1108 has gear one 1109, and the both sides of gear one 1109 all mesh and are connected with gear two 1110, and gear two 1110 all links to each other with axis of rotation 1103, and spline shaft 1107 is spare and accessory part for prior art with spline housing 1108, and spline shaft 1107 is when rotating, can also realize that spline housing 1108 slides on spline shaft 1107.

Further, the shaking mechanism 12 comprises two symmetrical fixed outer rods 1205 fixed at the bottom of the partition 7, telescopic cavities are formed in the two fixed outer rods 1205, two side walls of the two telescopic cavities are connected with guide blocks 1206 in a sliding manner, a telescopic inner rod 1207 is fixed between the two guide blocks 1206 in the same telescopic cavity, the bottom end of the telescopic inner rod 1207 is connected with the top of the screen 9, springs 1208 arranged between the two guide blocks 1206 in the same telescopic cavity and the end of the telescopic cavity and sleeved outside the telescopic inner rod 1207, a driving bevel gear 1201 is fixedly connected with the bottom end extension part of the left stirring shaft 1101, a driven bevel gear 1202 is meshed and connected with one side of the driving bevel gear 1201, a transmission shaft 1203 is fixed in a mounting shaft hole of the driven bevel gear 1202, the other end of the transmission shaft 1203 is rotatably connected to the left fixed outer rod 1205, a movable disc 1204 is arranged between the left fixed outer rod 1205 and the driven bevel gear 1202, the rigid coupling of edge of activity dish 1204 is in the outside of transmission shaft 1203, the bottom of baffle 7 has been seted up and has been matched with the rotation of activity dish 1204 matched with groove, activity dish 1204 rotates simultaneously along with transmission shaft 1203, can circulate the promotion to screen cloth 9, and then when making screen cloth 9 move down, can make two flexible interior poles 1207 simultaneously downstream, and make two guide blocks 1206 of same flexible intracavity can compress spring 1208, under the reverse action of spring 1208, can realize the shake of screen cloth 9.

Further, the adjusting mechanism 14 includes an annular seat 1401 fixed on the top of the top plate 3, the top of the annular seat 1401 is connected with a rotating ring 1402 in an annular rotating manner, the bottom of the rotating ring 1402 is fixed with an annular sliding seat, the top of the annular seat 1401 is provided with an annular sliding groove matched with the annular sliding seat, the inner wall of the rotating ring 1402 is fixed with an inner toothed ring 1403, the inner toothed ring 1403 is connected with two symmetrical three gears 1404 in a meshing manner, a screw 1405 is fixed in an installation shaft of the three gears 1404, the screw 1405 is connected inside the top plate 3 in a rotating manner, the bottom end of the screw 1405 is connected on the top of the fixed plate 1 in a rotating manner, an outer toothed ring 1406 is fixed on the outer wall of the rotating ring 1402, a four gear 1407 is connected on the outer side in a meshing manner, a driving motor 1408 is fixed on the bottom of the top plate 3, a moving rod 1409 is connected on the outer side of the screw in a threaded manner, and one end of the moving rod 1409 is connected on the vertical plate 2 in a sliding manner, the other end all links to each other with the lower extreme lateral wall of telescopic bellows 10, driving motor 1408 is angry, can make gear four 1407 rotate, and carry out the transmission to the rotating ring 1402 that outer toothed ring 1406 is connected, and then make rotating ring 1402 rotate at the top of annular seat 1401, and make the interior toothed ring 1403 of rotating ring 1402 inner wall can carry out the transmission to two gear three 1404, and make two screw rods 1405 rotate simultaneously, and because screw rod 1405 and its movable rod 1409 threaded connection, and then make things convenient for telescopic bellows 10 that its two movable rods 1409 are connected to carry out automatic telescopic adjustment.

The working principle is as follows: the novel material can be placed into the processing tank 4 through the feeding hole of the processing tank 4, the novel material is started through the double-shaft motor 1106, the spline shaft 1107 is rotated, the spline shaft 1107 drives the spline housing 1108 to rotate on the n-type bracket 6, the first gear 1109 connected with the spline housing 1108 is rotated, the rotating shafts 1103 respectively connected with the second gears 1110 on two sides are driven to rotate, the reciprocating screw rods 1102 connected with the two rotating shafts 1103 are synchronously rotated, the two stirring shafts 1101 rotate at the same time, the novel material is crushed, the crushing shafts can reciprocate and lift and crush the novel material while stirring the novel material due to the fact that the spline housing 1108 is in sliding sleeve connection with the spline shaft 1107, and therefore, when the two stirring shafts 1101 rotate, the novel material can be better in crushing effect, feeding work during processing of the novel material is facilitated, after the novel material is crushed, open through the solenoid valve of bin outlet 8 department, and then make kibbling new material can fall on screen cloth 9, and simultaneously when left (mixing) shaft 1101 rotates, can make drive bevel gear 1201 drive its transmission shaft 1203 that driven bevel gear 1202 connects and rotate, and make the activity dish 1204 in the transmission shaft 1203 outside rotate, and activity dish 1204 rotates and can circulate and promote screen cloth 9 simultaneously, and because fixed outer pole 1205, guide block 1206, flexible interior pole 1207, under the cooperation of spring 1208, can realize the shake of screen cloth 9, be convenient for screen kibbling new material, and when screen cloth 9 moves down, and then the impurity of screening can be discharged through row cinder notch 13, new material after the screening can be through the quick unloading of telescopic bellows 10 in the pan feeding mouth of outside new material processing equipment, and realize the process of throwing the material operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A feeding device based on new material processing comprises a fixed plate (1) and is characterized in that two symmetrical vertical plates (2) are fixed at the top of the fixed plate (1), a top plate (3) is fixed at the top of each vertical plate (2), a processing tank (4) is fixed inside each top plate (3), a bearing plate (5) is fixed on the inner wall of a feeding port of the processing tank (4), an n-shaped support (6) is fixed at the top of the bearing plate (5), a reciprocating lifting type crushing mechanism (11) is connected between each n-shaped support (6) and each bearing plate (5), a partition plate (7) is fixed on the inner wall of the processing tank (4), a discharging port (8) is fixed at the center of the bottom of the partition plate (7), an electromagnetic valve is installed at the discharging port (8), a screen (9) fixed on the inner wall of the processing tank (4) is arranged below the discharging port (8), a slag discharging port (13) formed in the right side wall of the processing tank (4) is arranged on the right side of the screen (9), a shaking mechanism (12) is connected between the screen (9) and the partition plate (7), a discharge port is connected to the bottom of the processing tank (4), a telescopic corrugated pipe (10) is connected to the discharge port, and an adjusting mechanism (14) is connected between the telescopic corrugated pipe (10) and the top plate (3).

2. The new material processing-based feeding device according to claim 1, wherein the reciprocating lifting type crushing mechanism (11) comprises two symmetrical stirring shafts (1101) rotatably connected to the top of the partition plate (7), a plurality of crushing paddles are fixed to two side walls of each stirring shaft (1101) at equal intervals, reciprocating lead screws (1102) are fixed to top ends of the two stirring shafts (1101), rotating shafts (1103) are fixed to top ends of the two reciprocating lead screws (1102), the two rotating shafts (1103) are rotatably connected to the inside of the bearing plate (5), sliding sleeves (1104) are spirally connected to outer sides of the two reciprocating lead screws (1102), and the lifting plate (1105) is fixed between the two sliding sleeves (1104).

3. The feeding device based on new material processing as claimed in claim 2, wherein a double-shaft motor (1106) is fixed to the top of the lifting plate (1105), a through channel matched with the double-shaft motor (1106) is formed in the bearing plate (5), a lower output shaft of the double-shaft motor (1106) penetrates through the lifting plate (1105) and is connected with a crushing shaft, and a plurality of crushing paddles II are fixed to two side walls of the crushing shaft at equal intervals.

4. The feeding device based on new material processing as claimed in claim 3, characterized in that a spline shaft (1107) is fixed to an upper output shaft of the double-shaft motor (1106), a spline housing (1108) is sleeved on the outer side of the spline shaft (1107) in a sliding manner, the spline housing (1108) is rotatably connected to the inside of the n-type support (6), a first gear (1109) is fixedly connected to the outer side of the spline housing (1108), two sides of the first gear (1109) are respectively connected with a second gear (1110) in a meshing manner, and the second gear (1110) is connected with the rotating shaft (1103).

5. The new material processing-based feeding device as claimed in claim 1, wherein the shaking mechanism (12) comprises two symmetrical fixed outer rods (1205) fixed at the bottom of the partition plate (7), telescopic cavities are formed in the two fixed outer rods (1205), guide blocks (1206) are connected to two side walls of the two telescopic cavities in a sliding manner, a telescopic inner rod (1207) is fixed between the two guide blocks (1206) in the same telescopic cavity, the bottom end of the telescopic inner rod (1207) is connected with the top of the screen (9), and a spring (1208) sleeved outside the telescopic inner rod (1207) is arranged between the two guide blocks (1206) in the same telescopic cavity and the end of the telescopic cavity.

6. The feeding device based on new material processing as claimed in claim 2, wherein a driving bevel gear (1201) is fixedly connected to an extending portion at the bottom end of the left side of the stirring shaft (1101), a driven bevel gear (1202) is connected to one side of the driving bevel gear (1201) in a meshing manner, a transmission shaft (1203) is fixedly arranged in a mounting shaft hole of the driven bevel gear (1202), the other end of the transmission shaft (1203) is rotatably connected to a fixed outer rod (1205) on the left side, a movable disc (1204) is arranged between the fixed outer rod (1205) on the left side and the driven bevel gear (1202), the edge of the movable disc (1204) is fixedly connected to the outer side of the transmission shaft (1203), and a rotating matching groove matched with the movable disc (1204) is formed in the bottom of the partition plate (7).

7. The new material processing-based feeding device according to claim 1, wherein the adjusting mechanism (14) comprises an annular seat (1401) fixed on the top of the top plate (3), the top of the annular seat (1401) is connected with a rotating ring (1402) in an annular rotating manner, the bottom of the rotating ring (1402) is fixed with an annular sliding seat, the top of the annular seat (1401) is provided with an annular sliding groove matched with the annular sliding seat, the inner wall of the rotating ring (1402) is fixed with an inner toothed ring (1403), the inner toothed ring (1403) is connected with two symmetrical gears three (1404) in a meshing manner, a screw (1405) is fixed in a mounting shaft hole of the gears three (1404), the screws (1405) are connected inside the top plate (3) in a rotating manner, the bottom ends of the screws (1405) are connected on the top of the fixing plate (1) in a rotating manner, and an outer toothed ring (1406) is fixed on the outer wall of the rotating ring (1402), the outside meshing of outer ring gear (1406) is connected with gear four (1407), and the bottom of roof (3) is fixed with driving motor (1408), and the equal threaded connection in outside of screw rod (1405) has carriage release lever (1409), and the equal sliding connection of one end of carriage release lever (1409) is on riser (2), and the other end all links to each other with the lower extreme lateral wall of telescopic bellows (10).