CN210040389U

CN210040389U - Liquid injection clock tank

Info

Publication number: CN210040389U
Application number: CN201921070281.2U
Authority: CN
Inventors: 不公告发明人
Original assignee: Wuxi Lead Intelligent Equipment Co Ltd
Current assignee: Wuxi Lead Intelligent Equipment Co Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-02-07
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses an annotate liquid clock jar, annotate liquid clock jar including upper cover and rotatory lid, the upper cover includes that main part and interval set up in a plurality of fixture blocks of the bottom periphery side of main part, and the main part is provided with the accommodation space, and rotatory lid includes cyclic annular main part and sets up the bottom on cyclic annular main part, and the inner periphery of cyclic annular main part is provided with a plurality of draw-in grooves with a plurality of fixture block complex, is provided with first dog between the adjacent draw-in groove, is provided with on the bottom to be used for bearing the second dog of upper cover. In this way, the utility model provides a annotate liquid clock jar can be fast and good seal annotating liquid clock jar.

Description

Liquid injection clock tank

Technical Field

The utility model relates to a vacuum extraction field, in particular to annotate liquid clock jar.

Background

In the production process of the battery, the electrolyte needs to be injected into the battery shell, and in order to better enable the electrolyte to be capable of infiltrating into the battery and discharging bubbles, a vacuumizing and pressurizing mode is generally adopted to accelerate the permeation speed, and no related sealing vacuumizing device applied to the field of battery liquid injection exists at present.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a liquid injection clock tank to solve the problem that the prior art is not applied to the leakproofness evacuating device of battery.

In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided a liquid-filled clock pot comprising: the upper cover comprises a main body part and a plurality of clamping blocks arranged on the outer periphery of the bottom of the main body part at intervals, the main body part is provided with an accommodating space, and an opening of the accommodating space is positioned at the bottom of the main body part; the rotary cover comprises an annular main body part and a bottom cover arranged on the annular main body part, a plurality of clamping grooves matched with the clamping blocks are formed in the inner peripheral side of the annular main body part, a first stop block is arranged between every two adjacent clamping grooves, and a second stop block used for bearing the upper cover is arranged on the bottom cover; the distance between the second stop block and the first stop block is equal to the height of the clamping block, so that the clamping block can be clamped between the first stop block and the second stop block.

According to the utility model provides an embodiment, be provided with the aspirating hole on the main part.

According to the utility model provides an embodiment, the second dog for set up in the multiunit arch of bottom outer peripheral face, just the width of second dog with the width of draw-in groove is the same, adjacent two distance between the second dog with the width of first dog is the same.

According to the utility model provides an embodiment, the upper cover with the side that the rotatory lid contacted is provided with elastic sealing member.

According to the utility model provides an embodiment, annotate liquid clock jar and further include: and the lifting driving assembly is connected with the upper cover and used for driving the upper cover to be far away from or close to the rotating cover in the direction vertical to the bearing surface of the bottom cover.

According to the utility model provides an embodiment, annotate liquid clock jar and further include the rotary drive subassembly, with the rotatory lid rotates to be connected, is used for the drive rotatory lid with the perpendicular to the rotation axis of the loading end of bottom with relative rotation takes place for the upper cover.

According to the utility model provides an embodiment, promote drive assembly and include: the guide rod is fixedly connected with the upper cover and is arranged in a sliding manner relative to the guide rod; the output end of the first driving piece is connected with the connecting plate and used for driving the connecting plate to move along the length direction of the guide rod so as to drive the upper cover to be far away from or close to the rotating cover.

According to an embodiment of the present invention, the lifting driving assembly includes a top plate fixedly disposed at an end of the guide rod, and the top plate is disposed perpendicular to the guide rod; the top plate is also provided with a lifting hook for fixing the upper cover when the upper cover is far away from the rotary cover.

According to the utility model provides an embodiment, the rotation driving assembly includes: the fixing seat is provided with a sliding rail; the pushing block is arranged on the sliding rail in a sliding mode, and a rack is arranged on the pushing block; a gear arranged on the peripheral side wall of the annular main body part and meshed with the rack; and the output end of the second driving piece is connected with the push block.

According to an embodiment of the present invention, the liquid injection bell jar further comprises a bearing assembly, the bearing assembly is disposed on the bottom cover, and the bearing assembly is used for bearing a workpiece; the bearing assembly comprises: the bearing plates are arranged at intervals and used for bearing the workpiece; the fixing column is used for fixing the bearing plate and is perpendicular to the bearing plate; the bearing plate is provided with two groups of cam driven wheel sets which are arranged in parallel, and each cam driven wheel set comprises a plurality of groups of cam driven wheels which are arranged in parallel and used for guiding the workpiece.

The utility model has the advantages that: different from the prior art, the utility model provides an injection clock jar, including upper cover and rotatory cover, the upper cover includes the main part and sets up in a plurality of blocks of main part bottom periphery side, the rotatory cover includes cyclic annular main part and bottom cover and sets up a plurality of draw-in grooves and a plurality of first dog on cyclic annular main part inside wall, a plurality of draw-in grooves and the fixture block cooperation setting of upper cover, thereby the fixture block can block in the corresponding draw-in groove, the bottom cover is used for the upper cover, the rotatory cover can do rotary motion around the upper cover, be provided with a plurality of second dogs on the bottom cover periphery side, and each first dog corresponds the draw-in groove setting respectively, when the fixture block of upper cover passes through the draw-in groove, after being held by the bottom cover, the upper cover rotates, make the fixture block correspond the second dog between two sets of adjacent draw-in grooves, under the spacing of second dog, the upper card is in the rotatory cover, and form comparatively sealed structure between first dog and, thereby providing a vacuum apparatus with good sealing performance.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic front view of an embodiment of an upper cover of a liquid filling clock tank provided by the present invention;

FIG. 2 is a schematic top view of an embodiment of the cover;

fig. 3 is a schematic perspective view of an embodiment of the rotary cover of the liquid injection clock tank, which does not include a bottom cover;

FIG. 4 is a schematic perspective view of one embodiment of a swivel cover including a bottom cover;

fig. 5 is a schematic front view of an embodiment of a liquid-filled clock tank according to the present invention;

FIG. 6 is a schematic perspective view of one embodiment of the rotary cap of the clamped injection bell jar of FIG. 5 engaged with a rotary drive assembly;

FIG. 7 is a schematic diagram of an embodiment of a front view of a rotary drive assembly in the clamped injection bell jar of FIG. 5;

FIG. 8 is a perspective view of one embodiment of a push block of the rotary drive assembly shown in FIG. 7;

FIG. 9 is a front view of an embodiment of a load bearing assembly;

FIG. 10 is a schematic top view of one embodiment of a load bearing assembly.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides an injection clock tank 10, wherein the injection clock tank 10 may be a sealed cavity, and may be externally connected with a vacuum pump for vacuum extraction of the injection clock tank 10, so that the injection clock tank 10 forms a vacuum cavity.

As shown in fig. 1 and 4, the injection clock tank 10 includes an upper cover 100 and a rotary cover 200, and the upper cover 100 and the rotary cover 200 can be rotatably engaged with each other to form a sealed space inside the injection clock tank 10.

As shown in fig. 1 and fig. 2, the upper cover 100 includes a main body portion 110 and a plurality of blocks 120, wherein the main body portion 110 may be in a shape of a hood, the main body portion 110 is provided with an accommodating space, that is, the main body portion 110 encloses to form an accommodating space, and an opening of the accommodating space is located at the bottom of the main body portion 110, that is, the opening of the accommodating space faces the bottom of the main body portion 110.

The bottom section of the main body 110 may be circular, and the whole main body 110 may be cylindrical, conical, etc., without limitation. The material of the main body 110 may be metal, or may be high-strength glass, and is not limited herein.

Wherein, the plurality of cartridges 120 are spaced apart from each other on the outer circumferential side of the bottom of the body 110. And in particular may be disposed around the bottom of the body portion 110.

As shown in fig. 3 and 4, the rotary cap 200 includes a ring-shaped main body 210 and a bottom cap 220, the cross section of the ring-shaped main body 210 is preferably circular, and the bottom cap 220 is disposed on the ring-shaped main body 210. Specifically, the bottom of the inner circumference of the annular main body 210 is provided with a bearing portion 211, the bottom cover 220 may be fixed on the bearing portion 211 by welding or the like, and the bottom cover 220 may also be integrally formed with the annular main body 210 to ensure a good sealing effect.

As shown in fig. 4, a plurality of engaging grooves 212 are formed on the inner circumferential side of the annular body 210, and a plurality of engaging blocks 213 are formed between adjacent engaging grooves 212, in other words, a plurality of engaging grooves 212 are formed between the plurality of first engaging blocks 213 which are spaced apart from each other, wherein the plurality of engaging grooves 212 and the first engaging blocks 213 are alternately arranged around the top of the inner circumferential side of the annular body 210, so that a certain height difference is formed between the first engaging blocks 213 and the bottom cover 220. And a plurality of catching grooves 212 may be engaged with a plurality of catching blocks 120 of the upper cover 100. The bottom cover 220 is provided with a plurality of second stoppers 221 located under the orthographic projections of the plurality of slots 212, specifically, in a direction perpendicular to the carrying surface of the bottom cover 220, the bottom cover 220 is provided with the second stoppers 221 directly under the slots 212, and the second stoppers 221 may be used for carrying the upper cover 100.

The distance between the second stopper 221 and the first stopper 213 is equal to the height of the latch 120, so that the latch 120 can be clamped between the first stopper 213 and the second stopper 221.

The process of matching the structures of the upper cap 100 and the spin cap 200 is as follows:

in an embodiment, the outer diameter of the main body 110 is smaller than or equal to the inner diameter of the annular main body 210, and the latch 120 and the slot 212 are engaged with each other, so that when the upper cover 100 and the rotary cover 200 are close to each other, the upper cover 100 can enter the rotary cover 200 through the engagement of the latch 120 and the slot 212 and is supported on the bottom cover 220. Then, the latch 120 moves toward the surrounding first stopper 213 and abuts between the first stopper 213 and the bottom cover 200 by the relative rotation of the top cover 100 and the rotary cover 200.

Specifically, the distance from the lower surface of the first stopper 213 to the upper surface of the bottom cover 220 is the same as the height of the latch 120, so that the latch 120 can be well abutted against the lower surface of the first stopper 213 and the upper surface of the bottom cover 220. The position of the body portion 110 where the latch 120 is disposed has a large sealing area with the outside, and the second stopper 221 is used to increase the sealing area between the latch 120 and the latch groove 212, so that the first stopper 213 and the second stopper 221 cooperate with each other to seal the accommodating space formed by the body portion 110 into a sealing space through the latch 120.

In an embodiment, the main body 110 may further include a pumping hole 111 and a valve 112 for connecting to a vacuum pump to pump vacuum from the sealed space, and the valve 112 is used to control the opening or closing of the pumping hole 111.

In an embodiment, the second stoppers 221 are a plurality of sets of protrusions disposed on the outer circumferential surface of the bottom cover, and the width of the second stoppers 221 is the same as the width of the locking groove 212, where the width refers to the width of the annular body 210 in the circumferential direction, and the distance between two adjacent second stoppers 221 is the same as the width 213 of the first stopper.

In an embodiment, the lengths of the locking groove 212 and the first stopper 213 in the circumferential direction of the annular body 210 are the same, and the lengths of the locking groove 212 and the latch 120 in the circumferential direction of the annular body 210 are also the same, so that the latch 120 can be well abutted against the first stopper 213.

In one embodiment, the length of the second stopper 221 in the circumferential direction of the annular body portion is greater than or equal to the length of the locking groove 212, so as to achieve better contact with the latch 120.

Specifically, the sides of the upper cover 100 contacting the spin cover 200 are provided with elastic seals. Meanwhile, in particular, the contact portion including the upper cover 100 and the lower cover 220 and the other contact portion including the upper cover 100 and the rotary cover 200 may be provided with elastic sealing members to achieve a better sealing effect.

As shown in fig. 5, the injection clock tank 10 further includes a lifting drive assembly 300 and a rotation drive assembly 400. The lifting driving assembly 300 is coupled to the upper cover 100 for driving the upper cover 100 to move away from or close to the rotary cover 200 in a direction perpendicular to the bearing surface of the bottom cover 220, and the rotary driving assembly 400 is rotatably coupled to the rotary cover 200 for driving the rotary cover 200 to rotate relative to the upper cover 100 about a rotation axis perpendicular to the bearing surface of the bottom cover 220.

As shown in fig. 4, the lift driving assembly 300 includes a guide bar 310, a coupling plate 320, and a first driving member 330. Wherein the connecting plate 320 is fixedly connected to the top of the upper cover 100, and the connecting plate 320 is slidably disposed with the guide rods 310, specifically, the guide rods 310 are preferably four and are respectively disposed at four corners of the rectangle, and the connecting plate 320 is correspondingly provided with four guide holes to cooperate with the guide rods 310 and can slide along the length direction of the guide rods 310.

Specifically, the two sides of the connecting plate 320 may be provided with the lifting plates 321 to connect with the first driving member 330, specifically, the output end of the first driving member 330, and preferably, the two first driving members 330 may drive the connecting plate 320 to move along the length direction of the guide rod 310, so as to drive the upper cover 100 fixed on the connecting plate 320 to move away from or close to the rotary cover 200.

As shown in fig. 5, the lifting driving assembly 300 may further include a top plate 350 fixedly disposed at an end of the guide rod 310, the top plate 350 is disposed perpendicular to the guide rod 310, and the lifting driving assembly may further include a bottom plate 340 spaced apart from the top plate 350, the guide rod 310 may be abutted between the bottom plate 340 and the top plate 350 and disposed perpendicular to the bottom plate 340 and the top plate 350. Specifically, the base plate 340 may serve as a base for mounting the guide rods 310 to ensure the stability of the entire lift driving assembly 300, and the base plate 340 may be an integrally formed plate-shaped base for mounting the plurality of guide rods 310. Or a plurality of bases which are independently arranged, and each base is provided with a guide rod 310. The first driving member 330 may also be fixed to the base plate 340.

As shown in fig. 5, a hook 351 may be further provided on the top plate 350, and when the upper cover 100 is far away from the rotary cover 200 or the first driving member 330 pushes the upper cover 100 to a certain position, the hook 351 may be used to fix the upper cover 100 to prevent the upper cover 100 from sliding down under the gravity. Specifically, the upper cover 100 may be fixed by fixing the connection plate 320.

As shown in fig. 6, the rotary driving assembly 400 includes a fixing base 410, a pushing block 420, a gear 430 and a second driving member 440.

As shown in fig. 7 and 8, the fixing base 410 may also be fixed on the bottom plate 340, the fixing base 410 is provided with a sliding rail 411, and the pushing block 420 is slidably disposed on the sliding rail 411, specifically, the sliding block 422 is disposed on the pushing block 420 to cooperate with the sliding rail 411, so that the pushing block 420 can slide relative to the fixing base 410.

As shown in fig. 6 and 8, the pushing block 420 is further provided with a rack 421, and the gear 430 is fixedly disposed on the outer peripheral sidewall of the annular main body portion 210 and can be engaged with the rack 421 on the pushing block 420.

The output end of the second driving member 440 is connected to the pushing block 420, so that the pushing block 420 can be pushed to slide relative to the fixing base 410. And simultaneously drives the gear 430 and the rack 421 to move relatively. Thereby rotating the annular body portion 210 fixed to the gear 430.

In the above embodiment, through the cooperation of the lifting driving assembly 300 and the rotating driving assembly 400, the automation of opening and closing the upper cover 100 and the rotating cover 200 can be realized, and the working efficiency is greatly improved.

In a specific embodiment, in order to prevent the position of the rotary cover 200 from deviating during the rotation process, the rotary drive assembly 400 is further provided with a plurality of cam driven bearings 450 for limiting, and each set of cam driven bearings 450 is fixedly connected to the bottom of the bottom cover 220, and meanwhile, the cam driven bearings 450 are abutted against the rotary cover 200, specifically, the outer peripheral side of the annular main body portion 210, so that the rotary cover 200 performs the rotation motion within the range limited by the cam driven bearings 450 during the rotation process, and the friction is effectively reduced.

As shown in fig. 9, the filling bell jar 10 further includes a carrying assembly 500, and the carrying assembly 500 is disposed on the bottom cover 220, and is specifically used for carrying a workpiece, where the workpiece may specifically be a battery, or may be a tray and a battery carried on the tray.

As shown in fig. 9, the carrier assembly 500 includes a carrier plate 510 and a fixing post 520.

The number of the carrier plates 510 is at least two, and specifically may be three, and the at least two carrier plates 510 are disposed at an interval and fixed by the fixing posts 520.

In an embodiment, the carrier plate 510 can be used as a fixing base plate, and the fixing posts 520 are vertically disposed on the carrier plate 510 and can vertically fix other carrier plates 510.

In other embodiments, the carrier assembly 500 may further include a fixed base plate for supporting the fixing posts 520. The plurality of loading plates 510 are disposed at intervals from the fixed base plate and are vertically disposed on the fixing posts 520. Specifically, the fixed base plate 530 may also serve as a bearing plate for the workpiece, and is not limited herein.

As shown in fig. 10, two sets of cam driven wheel sets arranged in parallel are respectively disposed on the carrier plate 510, and each cam driven wheel set includes a plurality of sets of cam driven wheels 512 arranged in parallel for guiding a workpiece. The bearing plate 510 is further provided with a backing plate 511 for soft supporting of a workpiece, specifically for supporting a tray, and the cam driven wheel 512 is arranged along the length direction of the backing plate 511 for limiting the workpiece, and simultaneously, the friction between the workpiece and the cam driven wheel 512 is reduced when the workpiece is pushed. Specifically, the workpiece enters the carrier plate 510 through the entrance and exit directions, and the backing plates 511 are disposed along the entrance and exit directions on both sides of the carrier plate 510.

In one embodiment, the workpiece is introduced into the carrier plate 510 through the access opening and then subsequently exits the access opening after the subsequent processes are completed. Thus, to prevent the orientation of the workpiece beyond the carrier plate 510, the carrier plate 510 can be provided with stops 513 at locations opposite the access openings for blocking the workpiece.

The working flow of the liquid injection clock tank 10 provided by the above embodiment is as follows:

assuming that the separation state of the upper lid 100 and the rotary lid 200 is the initial state, the workpiece is pushed onto the loading plate 510 from the entrance/exit, and stops when reaching the stop piece 513 at the other end of the loading plate 510 opposite to the entrance/exit, and then the hook 351 is removed, so that the upper lid 100 approaches the rotary lid 200 under the action of gravity and the lifting driving assembly 300, and the upper lid 100 can be loaded on the bottom lid 220 of the rotary lid 200 through the cooperation of the latch 120 and the latch groove 212, and at this time, the workpiece and the loading portion 500 are both located in the accommodating space of the upper lid 100. Then, the rotation driving assembly 400 is engaged with the rack 421 through the gear 430, so that the rotation cover 200 rotates, and at this time, the upper cover 100 does not move, the first stopper 213 on the rotation cover 200 starts to move toward the latch 120, and the lower surface of the first stopper 213 abuts against the upper surface of the latch 120, and the upper surface of the bottom cover 220 abuts against the lower surface of the latch 120, so as to achieve a good sealing effect. Then, the valve 112 is opened, the sealed space is vacuum-extracted through the air extraction hole 111, and the workpiece located in the sealed space is simultaneously subjected to liquid injection treatment.

After the process is completed, the rotary cap 200 is further driven to rotate by the rotary driving assembly 400, thereby contacting the sealing effect with the upper cap 100, when the locking groove 212 of the rotary cap 200 corresponds to the locking block 120, the lifting driving assembly 300 drives the upper cap 100 to move away from the rotary cap 200, and when a certain position is reached, the upper cap 100 is fixed by the hook 351, and then the workpiece is taken out from the inlet and outlet, thereby completing a cycle.

To sum up, the utility model provides a pair of annotate liquid clock jar annotates liquid clock jar through set up the fixture block on covering to cover setting up and fixture block complex draw-in groove and first dog in the rotation, and set up on the bottom with draw-in groove complex second dog, so that after upper cover and rotatory lid rotate relatively, the fixture block can the butt on first dog and bottom. And through the fixture block, the first stop dog and the second stop dog cooperation make to form sealed space in annotating liquid clock jar, can seal fast and can reach good sealed effect. Simultaneously, annotate liquid clock jar through promoting drive assembly and rotary drive subassembly come with annotate liquid clock jar cooperation, can be fast effectual to annotating liquid clock jar and open and shut, realized opening and shutting the automation, greatly reduced the cost, improved work efficiency.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A liquid-filled clock pot, comprising:

the upper cover comprises a main body part and a plurality of clamping blocks arranged on the outer periphery of the bottom of the main body part at intervals, the main body part is provided with an accommodating space, and an opening of the accommodating space is positioned at the bottom of the main body part;

the rotary cover comprises an annular main body part and a bottom cover arranged on the annular main body part, a plurality of clamping grooves matched with the clamping blocks are formed in the inner peripheral side of the annular main body part, a first stop block is arranged between every two adjacent clamping grooves, and a second stop block used for bearing the upper cover is arranged on the bottom cover;

the distance between the second stop block and the first stop block is equal to the height of the clamping block, so that the clamping block can be clamped between the first stop block and the second stop block.

2. The filling bell jar of claim 1 wherein the body portion is provided with a suction hole.

3. The liquid injection clock jar as claimed in claim 1, wherein the second stoppers are sets of protrusions disposed on the outer peripheral surface of the bottom cover, and the width of the second stoppers is the same as the width of the locking grooves, and the distance between two adjacent second stoppers is the same as the width of the first stopper.

4. The filling bell jar of claim 3, wherein the side of the upper cover in contact with the rotary cover is provided with an elastomeric seal.

5. The filling clock tank of claim 1, further comprising:

and the lifting driving assembly is connected with the upper cover and used for driving the upper cover to be far away from or close to the rotating cover in the direction vertical to the bearing surface of the bottom cover.

6. The filling clock tank of claim 1, further comprising:

and the rotary driving assembly is rotationally connected with the rotary cover and used for driving the rotary cover to rotate relative to the upper cover by a rotating shaft which is vertical to the bearing surface of the bottom cover.

7. The filling clock tank of claim 5, wherein the lift drive assembly comprises:

the guide rod is arranged on the guide rod,

the connecting plate is fixedly connected with the upper cover and is arranged in a sliding manner relative to the guide rod;

the output end of the first driving piece is connected with the connecting plate and used for driving the connecting plate to move along the length direction of the guide rod so as to drive the upper cover to be far away from or close to the rotating cover.

8. The filling bell jar of claim 7, wherein the lift drive assembly comprises a top plate fixedly disposed with an end of the guide rod, the top plate disposed perpendicular to the guide rod;

the top plate is also provided with a lifting hook for fixing the upper cover when the upper cover is far away from the rotary cover.

9. The filling bell jar of claim 6, wherein the rotary drive assembly comprises:

the fixing seat is provided with a sliding rail;

the pushing block is arranged on the sliding rail in a sliding mode, and a rack is arranged on the pushing block;

a gear arranged on the peripheral side wall of the annular main body part and meshed with the rack;

and the output end of the second driving piece is connected with the push block.

10. The liquid injection clock tank of claim 6, further comprising a load bearing assembly disposed on the bottom cover for bearing a workpiece;

the bearing assembly comprises:

the bearing plates are arranged at intervals and used for bearing the workpiece;

the fixing column is used for fixing the bearing plate and is perpendicular to the bearing plate;

the bearing plate is provided with two groups of cam driven wheel sets which are arranged in parallel, and each cam driven wheel set comprises a plurality of groups of cam driven wheels which are arranged in parallel and used for guiding workpieces.