CN216099819U

CN216099819U - Hydraulic vertical lifting kneader big cover capable of automatically controlling automatic feeding

Info

Publication number: CN216099819U
Application number: CN202122472164.2U
Authority: CN
Inventors: 姜鹏
Original assignee: Rugao Tengfei Machinery Co ltd
Current assignee: Rugao Tengfei Machinery Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-03-22
Anticipated expiration: 2031-10-13

Abstract

The application discloses a hydraulic vertical lifting kneader big cover capable of automatically controlling automatic feeding, which relates to the field of kneaders and comprises a base and a cover body positioned above the base, wherein the cover body is connected with the base in a sliding manner along the vertical direction; a driving assembly for driving the cover body to move up and down is arranged between the cover body and the base; the cover body is provided with a feed inlet along the wall thickness direction of the cover body. Lid and base sliding connection's structure, the charge door of being convenient for passes through the stereoplasm pipeline and is connected with the loading hopper to the material that whole treating to put in time slides in the cylinder body of kneading machine, thereby is favorable to guaranteeing the precision of automatic feeding, even if be convenient for realize the automation of material and put in.

Description

Hydraulic vertical lifting kneader big cover capable of automatically controlling automatic feeding

Technical Field

The application relates to the field of kneading machines, in particular to a hydraulic vertical lifting kneading machine big cover capable of automatically controlling automatic feeding.

Background

The kneader belongs to a special mixing and stirring device and is used for kneading, mixing, vulcanizing, polymerizing and the like of high-viscosity and elastic-plastic materials.

The prior Chinese patent with publication number CN201871351U discloses a large kneader cylinder cover, which comprises a cover body and a cylinder body, wherein one side of the cover body is rotatably connected with the cylinder body through a hinge; one side of the cover body, which is far away from the corresponding hinge, is provided with a buckling groove, and the cylinder body is rotatably provided with a buckling ring; when the cover body rotates to abut against the opening of the cylinder body, the retaining ring is rotated, and the retaining ring can be retained in the retaining groove to fix the cover body.

In view of the above-mentioned related technologies, the inventor believes that when a certain amount of material needs to be added into the cylinder, the cover must be opened first, and then the operator pours the material into the cylinder from the mouth of the cylinder, which is cumbersome to operate and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the operation of artifical ration feeding is more loaded down with trivial details in the cylinder body of kneader, this application provides a but hydraulic pressure vertical lift kneader big lid of automatic control automatic feeding.

The application provides a but automatic hydraulic pressure vertical lift kneader big lid of automatic control automatic feeding adopts following technical scheme:

a hydraulic vertical lifting kneader big cover capable of automatically controlling automatic feeding comprises a base and a cover body positioned above the base, wherein the cover body is connected with the base in a sliding manner along the up-down direction; a driving assembly for driving the cover body to move up and down is arranged between the cover body and the base; the cover body is provided with a feed inlet along the wall thickness direction of the cover body.

By adopting the technical scheme, the cover body is connected with the base in a sliding manner along the vertical direction; when the device is used, the charging opening can be connected with a charging hopper through a hard telescopic pipeline or a hard non-telescopic pipeline, and the charging hopper is arranged above the cover body; when the materials need to be fed, an operator can manually or automatically feed a certain amount of materials into the feeding hopper by a special feeding device, and the materials can slide to the feeding port along the inner side wall of the pipeline and slide into the cylinder body of the kneader, so that the automatic quantitative feeding of the materials is facilitated; when throwing the material, need not to open the lid to be favorable to reducing the divergence of powder, pungent smell etc. in the material, thereby the air circumstance of protection operation scene reaches the effect of environmental protection, is favorable to reducing the waste of material simultaneously.

Compared with a structure that the cover body rotates around one side of the cover body, the cover body is connected with the base in a sliding manner, so that the charging opening is conveniently connected with the charging hopper through a hard pipeline; and compare in the hose, the inner wall of stereoplasm pipeline is more smooth and the number of times of bending of reduction that can the at utmost to can reduce the possibility that the material takes place to be detained in the pipeline, thereby be convenient for whole material in time slide into the cylinder body of kneader, guarantee to throw the precision of material.

Optionally, a connecting arm is fixedly arranged on one side of the cover body, a guide assembly is connected between the connecting arm and the base, and the connecting arm is connected with the base in a sliding manner along the vertical direction through the guide assembly; one end of the driving assembly is connected with the connecting arm, and the other end of the driving assembly is connected with the base.

Through adopting above-mentioned technical scheme, the linking arm is located one of them side of lid, and the linking arm passes through guide assembly and drive assembly and links to each other with the base, is favorable to making guide assembly and drive assembly all be located the position of one of them side of lid to reduce the volume of equipment, thereby be favorable to reducing the space that equipment occupy, make things convenient for operating personnel to the operation such as maintenance, the unloading of equipment.

Optionally, a counterweight is arranged on one side, away from the cover body, of the connecting arm, which is located on the guide assembly.

Through adopting above-mentioned technical scheme, counterweight and lid are located the both sides of direction subassembly respectively, are favorable to making the moment that the both sides of direction subassembly received tend to the same to the direction of the power between the component that makes the direction subassembly tends to be upper and lower direction, with the size of the torsion that each component that reduces the direction subassembly received, thereby be favorable to improving the smooth and easy nature and the stability of the cooperation of sliding between the component of direction subassembly, reduce wearing and tearing between the component, thereby be favorable to improving gliding stability about the lid.

Optionally, the position of the weight member is adjustable along the length of the connecting arm.

By adopting the technical scheme, the cover body is provided with the pipeline or other accessories communicated with the feed inlet according to the actual use requirement, so that the total weight of the cover body is changed; at this time, the operator can adjust the position of the weight member so that the moments received on both sides of the guide assembly tend to be the same.

Optionally, the guide assembly includes a guide rod and a guide seat connected to the guide rod in a sliding manner along a length direction of the guide rod, and the guide rod is arranged along an up-down direction along the length direction of the guide rod; the guide seat is used for being connected with the connecting arm, and the guide rod is used for being connected with the base; or the guide seat is used for being connected with the base, and the guide rod is used for being connected with the connecting arm.

By adopting the technical scheme, the guide seat can be sleeved on the guide rod so as to facilitate relative sliding between the guide seat and the guide rod; the outer side wall of the guide rod can also be grooved, and the guide seat can relatively slide along the inner side wall of the groove; or the guide seat and the guide rod are in sliding fit in other modes.

Optionally, the driving assembly includes a driving screw rotatably connected to the base and a rotary power member connected to the driving screw to drive the driving screw to rotate; the driving screw rod is in threaded connection with the connecting arm.

Through adopting above-mentioned technical scheme, rotatory power piece drive lead screw rotates to drive the linking arm and slide from top to bottom, thereby drive the lid and reciprocate.

Optionally, the driving assembly comprises a winding shaft rotatably connected with the base, a winding member wound on the winding shaft, and a winding power member connected with the winding shaft to drive the winding shaft to rotate; and one end of the winding piece, which is far away from the winding shaft, is connected with the connecting arm.

By adopting the technical scheme, the winding power part drives the winding shaft to rotate so as to wind the winding part, so that the connecting arm and the cover body are driven to move upwards; when the winding power part drives the winding shaft to rotate reversely, the winding shaft releases and winds the winding part, and the cover body can automatically move downwards under the action of self gravity.

Optionally, the driving assembly includes a driving cylinder and a sliding rod body capable of sliding along an inner side wall of the driving cylinder; the driving cylinder body is fixedly connected with the base, and the sliding rod body is fixedly connected with the connecting arm.

By adopting the technical scheme, when the automatic lifting device is used, the length direction of the cylinder body is arranged along the vertical direction, and when the sliding rod body extends out, the sliding rod body can drive the connecting arm and the cover body to move upwards; when the sliding rod body retracts, the sliding rod body can drive the connecting arm and the cover body to move downwards.

Optionally, a fixing component for abutting the lower surface of the cover body against the end wall of the mouth of the cylinder body of the kneader is arranged between the cover body and the cylinder body of the kneader.

Through adopting above-mentioned technical scheme, fixed subassembly makes the lower surface of lid and the end wall of the oral area of the cylinder body of kneader support each other tightly to improve the leakproofness of being connected between lid and the cylinder body of kneader, take place the possibility of leaking with the material or the pungent smell that reduce in the cylinder body of kneader.

Optionally, the fixing assembly comprises a clamping rod rotatably connected with the cover body, an abutting plate fixedly connected with a cylinder body of the kneader, and a driving piece connected with the clamping rod to drive the clamping rod to rotate; the clamping rod is fixedly provided with a butting block which is used for butting with the side wall of one side of the butting plate away from the cover body.

By adopting the technical scheme, when the lower surface of the cover body is abutted against the end wall of the opening part of the cylinder body of the kneader, the driving piece drives the clamping rod to rotate so as to enable the abutting block to move to one side of the abutting plate, which is far away from the cover body; the butt joint piece cooperates with the butt joint board, can restrict the lid to keeping away from the removal of the cylinder body direction of kneading machine to improve the stability of being connected between lid and the cylinder body of kneading machine.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cover body is in sliding connection with the base, so that the charging opening is conveniently connected with the charging hopper through a hard pipeline, and a certain amount of all materials to be charged can be conveniently and timely slid into the cylinder body of the kneader, so that the accuracy of automatic quantitative charging can be favorably ensured; the materials can slide into the cylinder body of the kneader through the feeding port, so that a cover body does not need to be opened, the lifting and leakage of powder in the materials are reduced, and the environment-friendly effect is achieved;

2. the guide assembly and the driving assembly are both positioned at the connecting arm, so that the size of the equipment is reduced, the occupied space of the equipment is reduced, and the operation of operators is facilitated;

3. the fixed component can improve the sealing performance of the connection between the cover body and the cylinder body of the kneader, and is favorable for reducing the possibility of leakage of materials.

Drawings

FIG. 1 is a schematic view showing the overall structure of example 1 of a large lid of a hydraulic vertical lift kneader capable of automatically controlling automatic charging according to the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 1.

FIG. 4 is a schematic view showing the overall structure of example 2 of a large lid of a hydraulic vertical lift kneader capable of automatically controlling automatic charging according to the present application.

FIG. 5 is a schematic view showing the overall structure of example 3 which is a large lid of a hydraulic vertical lift kneader which is automatically controlled and capable of automatic charging.

Description of reference numerals:

1. a base; 2. a cover body; 21. a feed inlet; 211. a feed tube; 2111. a connecting flange; 3. a connecting arm; 31. a guide assembly; 311. a guide bar; 3111. a connecting plate; 312. a guide seat; 32. a drive assembly; 321. driving a lead screw; 322. a rotary power member; 323. a winding shaft; 324. rolling up the part; 325. rolling a power part; 326. a drive cylinder; 327. a sliding rod body; 33. a counterweight; 331. connecting a screw rod; 3311. fixing a nut; 34. an extension rod; 341. a strip-shaped hole; 4. a cylinder of a kneader; 5. a fixing assembly; 51. a clamping bar; 511. a butting block; 52. a butt joint plate; 53. a drive member; 6. a loading hopper.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a hydraulic vertical lifting kneader big cover capable of automatically controlling automatic feeding.

Example 1

Referring to fig. 1, a large cover of a hydraulic vertical lifting kneader capable of automatically controlling automatic feeding comprises a base 1 and a cover body 2, wherein the cover body 2 is positioned above the base 1; the cover body 2 is in the shape of a casing with an opening at the lower end. The lid 2 is fixed with linking arm 3 along the peripheral lateral wall welded fastening of one of them side of self width direction, and the one end that lid 2 was kept away from to the direction extension setting of keeping away from lid 2 along the width direction of lid 2 to linking arm 3. A guide assembly 31 and a driving assembly 32 are arranged between the connecting arm 3 and the base 1, and the driving assembly 32 is positioned close to the guide assembly 31.

Referring to fig. 1, the guide assembly 31 includes a guide rod 311 and a guide holder 312. The guide holder 312 is slidably coupled to the guide bar 311 along the length direction of the guide bar 311. The guide seat 312 may be sleeved on the outer peripheral wall of the guide rod 311; a sliding groove may be formed in the outer peripheral wall of the guide rod 311 along the length direction of the guide rod 311, and the guide seat 312 is slidably connected to the inner side wall of the sliding groove; the guide seat 312 may also be provided with a guide groove adapted to the outer side wall of the guide rod 311, and the guide rod 311 slides with the inner side wall of the guide groove; the guide holder 312 and the guide rod 311 may be slid relative to each other by other connecting structures. In this embodiment, the number of the guide rods 311 is two, and the length directions of the two guide rods 311 are both arranged along the up-down direction; the guide seats 312 are commonly sleeved on the outer side walls of the two guide rods 311, and the guide seats 312 can slide along the length direction of the guide rods 311.

Referring to fig. 1, the guide seat 312 may be connected to the connecting arm 3, and the guide rod 311 is fixedly connected to the base 1, so as to realize the sliding connection between the connecting arm 3 and the base 1; it is also possible that the guide seat 312 is fixed with the base 1, and the guide rod 311 is connected with the connecting arm 3 to realize the sliding connection between the connecting arm 3 and the base 1. In this embodiment, the lower end of the guide rod 311 is welded and fixed to the base 1, and the upper end of the guide rod 311 is welded and fixed to the connection plate 3111; the guide holder 312 is integrally formed with the connecting arm 3.

Referring to fig. 1 and 2, the connecting arm 3 is provided with a weight member 33 on a side of the guide holder 312 remote from the cover body 2. In this embodiment, the weight member 33 is a cylindrical weight member; the two ends of the counterweight 33 are coaxially welded and fixed with connecting screw rods 331. The position that the linking arm 3 is located the both ends of counterweight 33 all welded fastening has extension rod 34, and extension rod 34 runs through to be provided with and is used for supplying the connecting screw 331 that corresponds to insert the bar hole 341 of establishing, and the length direction of bar hole 341 sets up along the length direction of linking arm 3. Each connecting screw 331 is connected with a fixing nut 3311 through a screw thread, and the fixing nut 3311 is located on one side of the corresponding extending rod 34 far away from the other extending rod 34.

Referring to fig. 1 and 2, an operator adjusts the position of the weight 33 along the length direction of the bar-shaped hole 341 and then tightens the fixing nuts 3311, each of which 3311 abuts against the corresponding extension rod 34, thereby fixing the weight 33. By adjusting the position of the weight member 33, the moment generated by the weight member 33 to the guide rod 311 and the moment generated by the cover body 2 to the guide rod 311 tend to be consistent, so as to reduce the magnitude of the torsion generated by the guide holder 312 to the guide rod 311, and improve the smoothness and stability of the sliding between the guide holder 312 and the guide rod 311.

Referring to fig. 1, the driving assembly 32 includes a driving screw 321 and a rotary power member 322. The rotary power member 322 may be an electric motor, and the rotary power member 322 may also be a pneumatic motor or a hydraulic motor; in this embodiment, the rotary power member 322 is a motor. The axial direction of the driving screw rod 321 is arranged along the up-down direction, and the driving screw rod 321 penetrates through the connecting arm 3 and is in threaded connection with the connecting arm 3; the lower end of the driving screw 321 is rotatably connected with the base 1 through a bearing, and the upper end of the driving screw 321 is rotatably connected with the connecting plate 3111 through a bearing. The rotary power member 322 is fixedly connected to the connection plate 3111 by screws, and an output shaft of the rotary power member 322 is connected to the driving screw 321. The rotary power member 322 rotates to drive the driving screw 321 to rotate, so as to drive the connecting arm 3 to move up and down to drive the cover 2 to move up and down. The cover body 2 moves upwards, namely the cover body 2 moves towards the direction far away from the cylinder body 4 of the kneader, so as to rotate the cylinder body 4 of the kneader and carry out discharging; the lid body 2 is moved downward, that is, the lid body 2 is brought close to the cylinder 4 of the kneader so that the lower surface of the lid body 2 abuts against the end wall of the mouth of the cylinder 4 of the kneader to seal the cylinder 4 of the kneader.

Referring to fig. 1 and 3, a fixing assembly 5 is provided between the cover body 2 and the cylinder body 4 of the kneader; in this embodiment, the number of the fixing elements 5 is four, the four fixing elements 5 correspond to four corners of the cover 2 one by one, and each fixing element 5 is located at a corresponding corner of the cover 2. The fixing assembly 5 comprises a clamping rod 51, an abutting plate 52 and a driving piece 53. The abutting plate 52 is welded and fixed with the outer side wall of the opening part of the cylinder body 4 of the kneader; the clamping rod 51 is hinged with the cover body 2; the driving member 53 is used for driving the clamping rod 51 to rotate. The driving member 53 may be one of an electric motor, a pneumatic motor, and a hydraulic motor, and the driving member 53 may also be one of an air cylinder, a hydraulic cylinder, and an electric cylinder, or other structural members; in this embodiment, the driving member 53 is a cylinder. The cylinder body of the driving part 53 is hinged with the upper surface of the cover body 2, the piston rod of the driving part 53 is hinged with the clamping rod 51, and the piston rod extends out or retracts to drive the clamping rod 51 to rotate.

Referring to fig. 3, an abutting block 511 is fixedly welded to one end of the clamping rod 51 close to the abutting plate 52; when the lower surface of the lid body 2 abuts against the end wall of the mouth portion of the cylinder body 4 of the kneader, the driving member 53 drives the clamp rod 51 to rotate, so that the abutment block 511 moves to a position below the abutment plate 52; at this time, the abutment block 511 abuts against the side wall of the abutment plate 52 on the side away from the cover 2 to restrict upward movement of the cover 2, so that the cover 2 and the cylinder 4 of the kneader abut against each other.

Referring to fig. 1 and 3, a feed inlet 21 is formed on the outer side wall of the cover body 2 in a penetrating manner along the wall thickness direction of the cover body 2, a feed pipe 211 is fixed to the inner side wall of the feed inlet 21 in a welding manner, and a connecting flange 2111 is fixed to one end, far away from the feed inlet 21, of the feed pipe 211 in a welding manner. In use, the feed pipe 211 can be connected to the hopper 6 through a rigid pipe so as to automatically and quantitatively feed the material to the cylinder 4 of the kneader.

The implementation principle of the large cover of the hydraulic vertical lifting kneader capable of automatically controlling automatic feeding in the embodiment of the application is as follows:

when in use, a closed feeding room is arranged above the cover body 2, a feeding hopper 6 is fixedly arranged in the feeding room, and the discharging end of the feeding hopper 6 is connected with a feeding pipe 211 through a hard telescopic pipe; when materials need to be added, the cover body 2 and the cylinder body 4 of the kneader are kept in a sealed connection state, an operator or a special feeding device positioned in a feeding room adds a certain amount of materials into the feeding hopper 6, and all the materials can be automatically added into the cylinder body 4 of the kneader through the hard telescopic pipe; when the cylinder 4 of the kneader needs to be unloaded, the operator starts the driving assembly 32 to move the cover body 2 upwards; when a certain gap is formed between the cover body 2 and the cylinder 4 of the kneader, the cylinder 4 of the kneader is rotated so that the mouth of the cylinder 4 of the kneader faces to discharge the material.

The cover body 2 slides in the up-and-down direction to open or close the cylinder body 4 of the kneader, so that the charging opening 21 is connected with the charging hopper 6 through a hard pipeline, and automatic quantitative charging of materials is realized.

Example 2

Referring to fig. 1 and 4, the present embodiment is different from embodiment 1 in that:

the driving assembly 32 comprises a winding shaft 323, a winding member 324 and a winding power member 325. Both ends of the winding shaft 323 are rotatably connected with the connecting plate 3111. The rolling power member 325 may be one of an electric motor, a pneumatic motor, a hydraulic motor, or other driving structure, and in this embodiment, the rolling power member 325 is an electric motor. The winding power member 325 is fixedly connected with the connecting plate 3111 through a screw, and an output shaft of the winding power member 325 is connected with the winding shaft 323 to drive the winding shaft 323 to rotate. The winding member 324 is wound around the outer peripheral wall of the winding shaft 323; the rolling member 324 may be a chain, and the rolling member 324 may also be a steel wire rope or a rope-shaped or belt-shaped structural member made of other materials; in this embodiment, the winding member 324 is a steel wire rope, and one end of the winding member 324 away from the winding shaft 323 is fixed to the connecting arm 3 in a binding manner.

Referring to fig. 4, the winding power member 325 drives the winding shaft 323 to rotate to wind the winding member 324, thereby driving the connecting arm 3 and the cover body 2 to move upward to facilitate the discharge of the cylinder body 4 of the kneader. When the winding power member 325 is reversely rotated to drive the winding shaft 323 to unwind the winding member 324, the lid body 2 is automatically moved downward by its own weight to close the mouth of the cylinder 4 of the kneader.

Example 3

Referring to fig. 1 and 5, the present embodiment is different from embodiment 1 in that:

the drive assembly 32 includes a drive cylinder 326 and a slide rod 327. The driving assembly 32 may be one of a pneumatic cylinder, a hydraulic cylinder, and an electric cylinder; in this embodiment, the driving assembly 32 is a hydraulic cylinder, a cylinder body of the hydraulic cylinder is a driving cylinder 326, a piston rod of the hydraulic cylinder is a sliding rod 327, and an axial direction of the piston rod is arranged in an up-down direction. One end of the driving cylinder 326 far away from the sliding rod 327 is fixedly connected with the base 1 through a flange; one end of the sliding rod 327 away from the driving cylinder 326 is fixedly connected to the connecting arm 3 by a screw.

Referring to fig. 5, the guide holder 312 is welded to the outer peripheral wall of the driving cylinder 326, and the upper end of the guide rod 311 is fixedly connected to the connecting arm 3 by a screw; the weight member 33 is located on the side of the guide lever 311 remote from the lid body 2. When the slide lever 327 moves up and down, the connecting arm 3 and the lid body 2 move up and down. The guide rod 311 is engaged with the guide seat 312, so as to limit the rotation of the sliding rod 327 relative to the driving cylinder 326, and further improve the stability of the sliding between the sliding rod 327 and the driving cylinder 326.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a but automatic control automatic feeding's big lid of hydraulic pressure vertical lift kneader which characterized in that: the device comprises a base (1) and a cover body (2) positioned above the base (1), wherein the cover body (2) is connected with the base (1) in a sliding manner along the vertical direction; a driving assembly (32) for driving the cover body (2) to move up and down is arranged between the cover body (2) and the base (1); the cover body (2) is provided with a feed inlet (21) in a penetrating way along the wall thickness direction of the cover body.

2. The large cover of the hydraulic vertical lifting kneader capable of automatically controlling and feeding materials automatically as claimed in claim 1, characterized in that: a connecting arm (3) is fixedly arranged on one side of the cover body (2), a guide assembly (31) is connected between the connecting arm (3) and the base (1), and the connecting arm (3) is connected with the base (1) in a sliding mode along the vertical direction through the guide assembly (31); one end of the driving component (32) is connected with the connecting arm (3), and the other end of the driving component (32) is connected with the base (1).

3. The large cover of the hydraulic vertical lifting kneader capable of automatically controlling and feeding materials automatically as claimed in claim 2, characterized in that: and a counterweight (33) is arranged on one side, away from the cover body (2), of the connecting arm (3) on the guide assembly (31).

4. The large cover of the hydraulic vertical lifting kneader capable of automatically controlling and feeding materials automatically as claimed in claim 3, characterized in that: the position of the weight member (33) is adjustable along the length direction of the connecting arm (3).

5. The large cover of the hydraulic vertical lifting kneader capable of automatically controlling and feeding materials automatically as claimed in claim 2, characterized in that: the guide assembly (31) comprises a guide rod (311) and a guide seat (312) connected with the guide rod (311) in a sliding manner along the length direction of the guide rod (311), and the length direction of the guide rod (311) is arranged along the vertical direction; the guide seat (312) is used for being connected with the connecting arm (3), and the guide rod (311) is used for being connected with the base (1); or the guide seat (312) is used for being connected with the base (1), and the guide rod (311) is used for being connected with the connecting arm (3).

6. The large cover of the hydraulic vertical lifting kneader capable of automatically controlling and feeding materials automatically as claimed in claim 2, characterized in that: the driving assembly (32) comprises a driving lead screw (321) which is rotatably connected with the base (1) and a rotary power part (322) which is connected with the driving lead screw (321) to drive the driving lead screw (321) to rotate; the driving screw rod (321) is in threaded connection with the connecting arm (3).

7. The large cover of the hydraulic vertical lifting kneader capable of automatically controlling and feeding materials automatically as claimed in claim 2, characterized in that: the driving assembly (32) comprises a winding shaft (323) rotationally connected with the base (1), a winding piece (324) wound on the winding shaft (323), and a winding power piece (325) connected with the winding shaft (323) to drive the winding shaft (323) to rotate; one end of the winding piece (324) far away from the winding shaft (323) is connected with the connecting arm (3).

8. The large cover of the hydraulic vertical lifting kneader capable of automatically controlling and feeding materials automatically as claimed in claim 2, characterized in that: the driving assembly (32) comprises a driving cylinder (326) and a sliding rod body (327) which can slide along the inner side wall of the driving cylinder (326); the driving cylinder body (326) is fixedly connected with the base (1), and the sliding rod body (327) is fixedly connected with the connecting arm (3).

9. The large cover of the hydraulic vertical lifting kneader capable of automatically controlling and feeding materials automatically as claimed in claim 1, characterized in that: and a fixing component (5) for enabling the lower surface of the cover body (2) and the end wall of the opening part of the cylinder body (4) of the kneader to be tightly abutted is arranged between the cover body (2) and the cylinder body (4) of the kneader.

10. The large cover of the hydraulic vertical lifting kneader capable of automatically controlling and feeding materials automatically as claimed in claim 9, characterized in that: the fixing component (5) comprises a clamping rod (51) rotatably connected with the cover body (2), an abutting plate (52) fixedly connected with the cylinder body (4) of the kneader, and a driving piece (53) connected with the clamping rod (51) to drive the clamping rod (51) to rotate; the clamping rod (51) is fixedly provided with a butting block (511) which is used for butting against the side wall of one side, far away from the cover body (2), of the butting plate (52).