CN111993924A

CN111993924A - Charging device suitable for new energy automobile

Info

Publication number: CN111993924A
Application number: CN202010797391.XA
Authority: CN
Inventors: 江慧如; 何佳俊
Original assignee: Shanghai Fudun New Energy Technology Co ltd
Current assignee: Yiwu Yiping Automobile Trade Co.,Ltd.
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2020-11-27
Anticipated expiration: 2040-08-10
Also published as: CN111993924B

Abstract

The invention provides a charging device suitable for a new energy automobile, which comprises a body and is characterized in that: the charging device is suitable for new energy automobiles, the charging gun device is fixed on the body by the fixing device, the charging gun is convenient to place stably when not in use, accidents caused by the fact that the charging gun is separated from the body are avoided, in addition, the cleaning device is matched with the charging gun device to be used, and the charging gun device is convenient to clean when the charging gun device is placed.

Description

Charging device suitable for new energy automobile

Technical Field

The invention belongs to the technical field of automobile accessories and new energy automobiles, and particularly relates to a charging device suitable for a new energy automobile.

Background

At present, the new energy automobile is widely used due to excellent performances of energy conservation, environmental protection and the like, the new energy automobile is driven by electric power, and equipment for charging the automobile is impossible or absent.

For example, chinese patent document discloses a new energy automobile apparatus, and the application number: 201710855458.9, the new energy automobile equipment comprises a charging part fixedly installed at the upper right part of a charging pile body and a charging gun connected with a new energy automobile, wherein a bottom plate is fixedly installed on the bottom end face of the charging pile body, electric connecting pins are installed on the left end face of the charging gun in a vertically symmetrical mode, and a first lug is fixedly arranged on the left end of the outer end face of each electric connecting pin; the mutual symmetry is provided with the groove of sliding from top to bottom in the portion of charging, can install the sliding block with sliding from top to bottom in the groove of sliding, and the screw form pole is installed to the cooperation in the sliding block, and the screw form pole is connected with the machine of ordering about of fixed mounting in the portion of charging, be provided with in the sliding block about link up and with first lug complex chamber of sliding, slide in the chamber of sliding and install the sliding rod, the terminal surface fixed mounting that the sliding block far-away ordered about the machine has the sand grip.

Although the safety performance has been increased to a certain extent to a new energy automobile equipment among the above-mentioned scheme, the structure is complicated, is unfavorable for the maintenance, and can not guarantee not charging process in the rifle that charges not short, and hang among the prior art and be unfavorable for charging the stable of rifle and place on the body.

Disclosure of Invention

The invention aims to solve the problems and provides a charging device suitable for a new energy automobile.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a charging device suitable for new energy automobile, includes the body, its characterized in that: the body on install power supply unit, power supply unit one side and charging gun device electric connection, just charging gun device movable mounting in the body on the mounting groove that sets up, charging gun device be close to power supply unit one side be equipped with telescopic fixing device, just fixing device control power supply unit's break-make, charging gun device keep away from one side of power supply unit be equipped with cleaning device, just cleaning device be connected with the spiral device through the connecting rod.

Preferably, the power supply device comprises a power supply source fixedly mounted on the body, the power supply source is connected with a first conductive block through a first wire, a second conductive block is arranged at the lower end of the first conductive block, the first conductive block and the second conductive block are respectively arranged at two ends of the sliding groove, the first conductive block and the second conductive block are fixedly mounted on the body, a second wire is fixedly mounted on one side of the second conductive block, and an on-off component is movably mounted in the sliding groove.

Preferably, the power on/off component comprises a sliding block movably mounted in the sliding groove, one side of the sliding block, which is far away from the mounting groove, is fixedly connected with the end face of the sliding groove through a first spring, an arc surface is arranged on one side of the sliding block, which is close to the mounting groove, the width of the arc surface is gradually increased from the first conductive block to the power supply direction, a third conductive block is further fixedly mounted on the sliding block, the height of the third conductive block is consistent with the gap between the first conductive block and the second conductive block, and when the first spring is in a free state, the first conductive block, the second conductive block and the third conductive block are attached to each other.

As preferred, the rifle device that charges include with mounting groove clearance fit connection's the rifle that charges, the rifle front end of charging be equipped with the inserted sheet, the rifle that charges terminal with second wire electric connection, the casing of rifle that charges on be equipped with the arc, the arc on movable mounting have the arc, just the arc correspond the central angle be less than the central angle that the arc corresponds, the arc on fixed mounting have the ejector pin, the arc be close to fixing device one side still be equipped with the bearing the platform of ejector pin.

As preferred, fixing device include fixed mounting in the mounting panel of rifle casing one side charges, the mounting panel on be equipped with first rectangular channel, first rectangular channel be close to spout one side be equipped with the second rectangular channel, just the width of second rectangular channel be less than the width of first rectangular channel, first rectangular channel in movable mounting have the limiting plate, the limiting plate be close to one side fixed mounting of slider with the second rectangular channel fixed block of mutually supporting, just fixed block one side be equipped with the arc surface inclined plane of mutually supporting, just inclined plane one side be equipped with the slider heavy groove of mutually supporting, heavy groove depth with the difference of the horizontal width on inclined plane be greater than the horizontal width of third conducting block, the limiting plate keep away from one side of fixed block through the second spring with first rectangular channel terminal surface link to each other, the limiting plate keep away from the one end fixed mounting on inclined plane have the depression bar, just depression bar movable mounting in the mounting panel on the notch that sets up in, depression bar one side with the ejector pin mutually support.

As preferred, cleaning device include fixed mounting in the rifle that charges keep away from the clamp plate of mounting panel one side, clamp plate one side closely laminate but not fixed connection with the one end in gas storehouse, gas storehouse opposite side fixed mounting in the one end of slide rail, gas storehouse upper end be connected with the reposition of redundant personnel storehouse through the trachea, reposition of redundant personnel storehouse lower extreme be equipped with a plurality of ventholes, just the venthole orientation the inserted sheet, the mounting groove lower extreme be equipped with the foreign matter passageway, foreign matter passageway lower extreme movable mounting have the foreign matter dish, just foreign matter dish one end with connecting rod fixed connection, cleaning device still include horizontal installation in the gas storehouse in the third spring.

Preferably, the winding device comprises a cylindrical cavity arranged on the body, a rotary table is movably arranged in the cylindrical cavity, an annular clamping groove for fixing the second lead is formed in the end face of the rotary table, a partition plate is arranged on one side of the rotary table, an opening is formed between the partition plate and the cylindrical cavity, the partition plate is movably arranged in the guide rail, and one side of the partition plate is connected with the connecting rod through a cylindrical rod.

Compared with the prior art, the invention has the advantages that:

1. the power supply device, the charging gun device and the fixing device are matched for use, the first conductive block and the second conductive block are separately installed, the on-off of the third conductive block, the first conductive block and the second conductive block is controlled through the movement of the sliding block, the power supply of the charging gun device is further controlled, the mounting plate of the fixing device is fixedly installed on the shell of the charging gun device, the fixing block is movably installed on the first rectangular groove and the second rectangular groove which are formed in the mounting plate, the fixing block is controlled through the second spring, the pressing rod and the ejector rod, the fixing block can be controlled to be fixed and moved through the ejector rod, therefore, when the ejector rod limits the movement of the fixing block, the charging gun is inserted into the mounting groove, the inclined surface and the arc surface on the fixing block are matched with each other, the fixing block can push the sliding block to move towards one side of the first spring along the sliding groove, and further the, The disconnection of second conducting block to make the rifle that charges cut off the power supply, it is safer when placing, and when the slider removed heavy groove position, the slider kick-backs under the effect of first spring and inserts heavy inslot, and then fixed rifle that charges, prevent to charge the rifle and break away from the mounting groove in, and when the ejector pin rotated not to support the depression bar, make when pressing the depression bar can take the first rectangular channel of fixed block income in, and then make the slider not restrict the fixed block, the taking of rifle that charges of being convenient for.

2. The pressing plate of the cleaning device is fixedly arranged on one side of the charging gun shell, so that the pressing plate can extrude the air bin when the charging gun is inserted into the mounting groove, the volume of the air bin is reduced, gas in the air bin can be transferred to the shunting bin from the air pipe, the gas is blown out from the air outlet and blown onto the inserting piece, foreign matters on the inserting piece are blown onto the foreign matter tray from the foreign matter channel, the inserting piece is cleaned, and the charging gun can be used for the next time.

3. The winding device is convenient to fix the second lead, so that the second lead is fixed on the rotary table, the cylindrical cavity is covered by the partition plate, the second lead is prevented from being damaged and aged, the service life of the second lead is prolonged, the partition plate is movably arranged in the guide rail, one end of the partition plate is connected with the connecting rod through the cylindrical rod, the connecting rod drives the partition plate to move conveniently, the second lead is further fixed in the annular clamping groove formed in the rotary table, the foreign object disc is arranged at one end of the connecting rod, and the foreign object disc can be further pulled out when the connecting rod drives the partition plate to move, so that foreign objects on the foreign object disc can be cleaned.

Drawings

FIG. 1 is a block diagram of the apparatus of the present invention.

Fig. 2 is a perspective cross-sectional view of the apparatus of the present invention in the position of the power supply.

Fig. 3 is an enlarged view of the apparatus of the present invention at position a in fig. 2.

Fig. 4 is a perspective cross-sectional view of the apparatus of the present invention in the position of the fixture.

Fig. 5 is a perspective cross-sectional view of a fixture of the apparatus of the present invention.

Figure 6 is a perspective cross-sectional view of the apparatus of the present invention in the position of the cleaning device.

Fig. 7 is an enlarged view of the apparatus of the present invention at position B in fig. 6.

In the figure, a body 1, a mounting groove 11, a connecting rod 12, a power supply device 2, a power supply source 21, a first lead 22, a first conductive block 23, a second conductive block 24, a sliding groove 25, a second lead 26, an on-off component T, a sliding block T1, a first spring T2, an arc surface T3, a third conductive block T4, a charging gun device 3, a charging gun 31, an inserting piece 31a, an arc groove 32, an arc plate 33, a push rod 34, a platform 35, a fixing device 4, a mounting plate 41, a first rectangular groove 42, a second rectangular groove 43, a limiting plate 44, a fixing block 45, an inclined plane 46, a sinking groove 47, a second spring 48, a pressing rod 49, a notch 49a, a cleaning device 5, a pressing plate 51, an air chamber 52, a sliding rail 53, an air pipe 54, a shunt chamber 55, an air outlet 56, a foreign body channel 57, a foreign body disc 58, a third spring 59, a winding device 6, a cylindrical chamber 61, a rotary disc 62, an annular clamping groove 63, a guide rail 66, a cylindrical rod 67.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, and fig. 7, a charging device for a new energy vehicle includes a body 1, and is characterized in that: install power supply unit 2 on the body 1, power supply unit 2 one side and 3 electric connection of rifle device that charge, and 3 movable mounting of rifle device that charge in the mounting groove 11 that sets up on body 1, the rifle device 3 that charges is close to power supply unit 2 one side and is equipped with telescopic fixing device 4, and fixing device 4 control power supply unit 2's break-make, the rifle device 3 that charges keeps away from one side of power supply unit 2 and is equipped with cleaning device 5, and cleaning device 5 is connected with spiral device 6 through connecting rod 12.

Specifically, the power supply device 2 includes a power supply source 21 fixedly mounted on the body, the power supply source 21 is connected with a first conductive block 23 through a first wire 22, a second conductive block 24 is arranged right under the first conductive block 23, the first conductive block 23 and the second conductive block 24 are respectively arranged at two ends of a sliding groove 25, the first conductive block 23 and the second conductive block 24 are both fixedly mounted on the body 1, a second wire 26 is fixedly mounted on one side of the second conductive block 24, and a power-on/off assembly T is movably mounted in the sliding groove 25.

Furthermore, make and break electrical component T including movable mounting slider T1 in spout 25, slider T1 is kept away from one side of mounting groove 11 and is passed through first spring T2 and spout 25 terminal surface fixed connection, slider T1 is close to one side of mounting groove 11 and is equipped with arc surface T3, and arc surface T3 increases to power supply 21 direction width gradually from first conducting block 23, still fixed mounting has third conducting block T4 on slider T1, third conducting block T4's height and first conducting block 23, the clearance between the second conducting block 24 keeps unanimous, and when first spring T2 was in free state, first conducting block 23, second conducting block 24 and third conducting block T4 laminated each other.

Furthermore, the charging gun device 3 comprises a charging gun 31 movably matched and connected with the mounting groove 11, an inserting piece 31a is arranged at the front end of the charging gun 31, the tail end of the charging gun 31 is electrically connected with the second lead 26, an arc-shaped groove 32 is formed in a shell of the charging gun 31, an arc-shaped plate 33 is movably mounted on the arc-shaped groove 32, a central angle corresponding to the arc-shaped plate 33 is smaller than a central angle corresponding to the arc-shaped groove 32, an ejector rod 34 is fixedly mounted on the arc-shaped plate 33, and a platform 35 for bearing the ejector rod 34 is further arranged on one side, close to the fixing device 4, of the arc.

Still further, the fixing device 4 includes a mounting plate 41 fixedly mounted on one side of the housing of the charging gun 31, the mounting plate 41 is provided with a first rectangular groove 42, one side of the first rectangular groove 42 close to the sliding slot 25 is provided with a second rectangular groove 43, the width of the second rectangular groove 43 is smaller than that of the first rectangular groove 42, a limit plate 44 is movably mounted in the first rectangular groove 42, one side of the limit plate 44 close to the sliding block T1 is fixedly provided with a fixed block 45 mutually matched with the second rectangular groove 43, one side of the fixed block 45 is provided with an inclined plane 46 mutually matched with the arc surface T3, one side of the inclined plane 46 is provided with a sinking groove 47 mutually matched with the sliding block T1, the difference between the depth of the sinking groove 47 and the horizontal width of the inclined plane 46 is larger than the horizontal width of the third conductive block T4, one side of the limit plate 44 far from the fixed block 45 is connected with the end surface of the first rectangular groove 42 through a second spring 48, and the pressure lever 49 is movably installed in a notch 49a provided on the mounting plate 41, and one side of the pressure lever 49 is mutually matched with the push rod 34.

Further, cleaning device 5 includes fixed mounting in the clamp plate 51 that charges rifle 31 and keeps away from mounting panel 41 one side, clamp plate 51 one side is closely laminated but not fixed connection with the one end of gas storehouse 52, gas storehouse 52 opposite side fixed mounting is in the one end of slide rail 53, gas storehouse 52 upper end is connected with reposition of redundant personnel storehouse 55 through trachea 54, reposition of redundant personnel storehouse 55 lower extreme is equipped with a plurality of ventholes 56, and venthole 56 is towards inserted sheet 31a, the mounting groove 11 lower extreme is equipped with foreign matter passageway 57, foreign matter passageway 57 lower extreme movable mounting has foreign matter dish 58, and foreign matter dish 58 one end and connecting rod 12 fixed connection, cleaning device 5 still includes the third spring 59 of horizontal installation in gas storehouse 52.

More specifically, the winding device 6 includes a cylindrical cavity 61 disposed on the body 1, a rotating disc 62 is movably mounted in the cylindrical cavity 61, an annular clamping groove 63 for fixing the second conducting wire 26 is disposed on an end surface of the rotating disc 62, a partition plate 64 is disposed on one side of the rotating disc 62, an opening 65 is disposed between the partition plate 64 and the cylindrical cavity 61, the partition plate 64 is movably mounted in a guide rail 66, and one side of the partition plate 64 is connected with the connecting rod 12 through a cylindrical rod 67.

The working principle is as follows: in the initial state, all the devices are in a static state, the first spring T2 is in a compressed state, the first conductive block 23, the second conductive block 24 and the third conductive block T4 are not conducted with each other, the slider T2 is clamped in the sinking groove 47 to fix the charging gun 31, the second lead 26 is fixed in the annular clamping groove 63 arranged on the turntable 62, the ejector rod 34 is arranged on the platform, one end of the ejector rod 34 abuts against the pressing rod 49, the second spring 48 is in a compressed state, the pressing rod 49 is arranged at one side of the notch 49a far away from the charging gun 31, the air chamber 52 is in a minimum volume state, the partition plate 64 is in a limit position state covering the maximum area of the cylindrical cavity 61, when the product is needed, the second lead 26 is firstly pulled out from the opening 65, then the arc-shaped plate 33 is rotated along the arc-shaped groove 32, so that the ejector rod 34 is separated from the platform 35, the pressing rod 49 is not limited any more, at this time, the pressing rod, so that the pressing rod 49 drives the limit plate 44 and the fixed block 45 to synchronously move into the first rectangular groove 42, at this time, the charging gun 31 is not limited, the charging gun 31 can be drawn out for use, meanwhile, the sliding block T1 is not limited by the fixed block 45, the charging gun 31 moves to the first spring T2 along the sliding groove 25 under the action of the first spring T2 to be in a free state, the first conductive block 23, the second conductive block 24 and the third conductive block T4 are in mutual contact conduction to supply power to the charging gun 31, so that the charging gun 31 is charged, after the use is finished, the arc-shaped plate 33 is rotated, the ejector rod 34 falls on the platform 35, the ejector rod 34 abuts against the pressing rod 49 to push out the fixed block 45, the charging gun 31 is pushed into the mounting groove 11, so that the charging gun 31 is mounted in the mounting groove 11, meanwhile, the inclined surface 46 of the fixed block 45 is matched with the arc-shaped surface T3, the sliding block T1 is pushed to move to the side close to the first, The second conductive block 24 and the third conductive block T4 are disconnected again until the fixing block 45 moves to the slide block T1 and is clamped in the sinking groove 47, and then the charging gun 31 is fixed, in the process that the charging gun 31 is inserted into the mounting groove 11, the pressing plate 51 extrudes the air chamber 52, so that the air in the air chamber 52 is transferred to the shunt chamber 55 from the air pipe 54, and then blown on the inserting sheet 31a from the air outlet 56, so that the foreign matter is blown to the foreign matter disk 58 from the foreign matter channel 57, and further the cleaning of the inserting sheet 31a is realized, then the connecting rod 12 is pulled, the foreign matter disk 58 is pulled out to process the foreign matter, the partition plate 64 is pulled open, the second lead 26 is conveniently fixed on the annular clamping groove 63, and finally, the partition plate 64 and the foreign.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the body 1, the mounting groove 11, the link 12, the power supply device 2, the power supply source 21, the first lead wire 22, the first conductive block 23, the second conductive block 24, the slide groove 25, the second lead wire 26, the power on/off assembly T, the slider T1, the first spring T2, the arc surface T3, the third conductive block T4, the charging gun device 3, the charging gun 31, the insertion piece 31a, the arc groove 32, the arc plate 33, the ejector pin 34, the platform 35, the fixing device 4, the mounting plate 41, the first rectangular groove 42, the second rectangular groove 43, the stopper plate 44, the fixing block 45, the inclined surface 46, the sinking groove 47, the second spring 48, the pressing rod 49, the notch 49a, the cleaning device 5, the pressing plate 51, the air chamber 52, the sliding rail 53, the air pipe 54, the diversion chamber 55, the air outlet hole 56, the foreign matter passage 57, the foreign matter tray 58, the third spring 59, the winding device 6, the cylindrical chamber 61, the rotary table 62, the annular groove 63, the partition, Opening 65, guide 66, cylindrical rod 67, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.

Claims

1. The utility model provides a charging device suitable for new energy automobile, includes body (1), its characterized in that: body (1) on install power supply unit (2), power supply unit (2) one side and charging gun device (3) electric connection, just charging gun device (3) movable mounting in body (1) on mounting groove (11) that set up in, charging gun device (3) be close to power supply unit (2) one side be equipped with telescopic fixing device (4), just fixing device (4) control the break-make of power supply unit (2), charging gun device (3) keep away from one side of power supply unit (2) be equipped with cleaning device (5), just cleaning device (5) be connected with spiral device (6) through connecting rod (12).

2. The charging device suitable for the new energy automobile according to claim 1, wherein: power supply unit (2) including fixed mounting in the body on power supply (21), power supply (21) be connected with first conducting block (23) through first wire (22), first conducting block (23) under be equipped with second conducting block (24), just first conducting block (23) with second conducting block (24) set up respectively in the both ends of spout (25), just first conducting block (23) with equal fixed mounting of second conducting block (24) on body (1), second conducting block (24) one side fixed mounting have second wire (26), spout (25) in movable mounting have on-off subassembly (T).

3. The charging device suitable for the new energy automobile according to claim 2, wherein: the power-on and power-off component (T) comprises a slide block (T1) movably arranged in the chute (25), one side of the sliding block (T1) far away from the mounting groove (11) is fixedly connected with the end surface of the sliding groove (25) through a first spring (T2), one side of the sliding block (T1) close to the mounting groove (11) is provided with a circular arc surface (T3), and the width of the arc surface (T3) gradually increases from the first conductive block (23) to the power supply source (21), a third conductive block (T4) is fixedly arranged on the sliding block (T1), the height of the third conductive block (T4) is consistent with the gap between the first conductive block (23) and the second conductive block (24), and when the first spring (T2) is in a free state, the first conductive block (23), the second conductive block (24) and the third conductive block (T4) are mutually attached.

4. The charging device suitable for the new energy automobile according to claim 3, wherein: rifle device (3) that charges include with mounting groove (11) clearance fit connection's rifle (31) that charges, rifle (31) front end of charging be equipped with inserted sheet (31 a), rifle (31) that charges terminal with second wire (26) electric connection, the casing of rifle (31) that charges on be equipped with arc wall (32), arc wall (32) go up movable mounting have arc (33), just arc wall (33) the central angle that corresponds be less than the central angle that arc wall (32) correspond, arc wall (33) on fixed mounting have ejector pin (34), arc wall (32) be close to fixing device (4) one side still be equipped with the bearing platform (35) of ejector pin (34).

5. The charging device suitable for the new energy automobile according to claim 4, wherein: fixing device (4) including fixed mounting in mounting panel (41) of rifle (31) casing one side of charging, mounting panel (41) on be equipped with first rectangular channel (42), first rectangular channel (42) be close to spout (25) one side be equipped with second rectangular channel (43), just the width of second rectangular channel (43) be less than the width of first rectangular channel (42), first rectangular channel (42) in movable mounting have limiting plate (44), limiting plate (44) be close to one side fixed mounting of slider (T1) have with second rectangular channel (43) fixed block (45) of mutually supporting, just fixed block (45) one side be equipped with arc surface (T3) inclined plane (46) of mutually supporting, just inclined plane (46) one side be equipped with slider (T1) mutually supporting sink groove (47), heavy groove (47) degree of depth with the horizontal width difference on inclined plane (46) be greater than the horizontal width of third conducting block (T4), limiting plate (44) keep away from one side of fixed block (45) pass through second spring (48) with first rectangular channel (42) terminal surface link to each other, limiting plate (44) keep away from the one end fixed mounting on inclined plane (46) have depression bar (49), just depression bar (49) movable mounting in mounting panel (41) on notch (49 a) that set up in, depression bar (49) one side with ejector pin (34) mutually support.

6. The charging device suitable for the new energy automobile according to claim 5, wherein: the cleaning device (5) comprises a pressure plate (51) fixedly arranged on one side of the charging gun (31) far away from the mounting plate (41), one side of the pressure plate (51) is tightly attached to one end of the air bin (52) but not fixedly connected with the air bin, the other side of the air bin (52) is fixedly arranged at one end of a sliding rail (53), the upper end of the air bin (52) is connected with a shunting bin (55) through an air pipe (54), the lower end of the shunting bin (55) is provided with a plurality of air outlet holes (56), the air outlet (56) faces the inserting piece (31 a), the lower end of the mounting groove (11) is provided with a foreign body channel (57), a foreign body disc (58) is movably arranged at the lower end of the foreign body channel (57), one end of the foreign body disc (58) is fixedly connected with the connecting rod (12), the cleaning device (5) also comprises a third spring (59) which is horizontally arranged in the air bin (52).

7. The charging device suitable for the new energy automobile according to claim 6, wherein: the winding device (6) comprises a cylindrical cavity (61) arranged on the body (1), a rotary table (62) is movably arranged in the cylindrical cavity (61), an annular clamping groove (63) for fixing the second lead (26) is formed in the end face of the rotary table (62), a partition plate (64) is arranged on one side of the rotary table (62), an opening (65) is formed between the partition plate (64) and the cylindrical cavity (61), the partition plate (64) is movably arranged in a guide rail (66), and one side of the partition plate (64) is connected with the connecting rod (12) through a cylindrical rod (67).