CN214653583U

CN214653583U - A anti-pollution filling equipment for lotion production

Info

Publication number: CN214653583U
Application number: CN202021754870.5U
Authority: CN
Inventors: 孙志义
Original assignee: Yangzhou Zhitong Machinery Co ltd
Current assignee: Yangzhou Zhitong Machinery Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-11-09
Anticipated expiration: 2030-08-20

Abstract

The utility model relates to an anti-pollution filling equipment for paste production, which comprises a base, a material box, a material filling pipe, a controller, a conveyor belt, a packaging mechanism, a positioning mechanism and a conveying mechanism, wherein the positioning mechanism comprises a first motor, a positioning plate, a strip-shaped opening, an electromagnet and two positioning components, the positioning components comprise an iron block, a connecting rod, a clamping plate and a spring, the packaging mechanism comprises a lifting component, a flat plate, a second motor, a rotating rod, a filling head and a screwing cover component, the screwing cover component comprises a third motor, a supporting plate and two fixing units, the anti-pollution filling equipment for paste production is convenient for fixing a filling bottle below the filling head through the positioning mechanism, the filling head is convenient to move downwards and extend into the filling bottle, the paste is prevented from flowing to the outside when being filled, moreover, the filling and sealing integrated operation is realized through the packaging mechanism, and the paste in the filling bottle is prevented from being polluted, the working efficiency of filling and the practicality of equipment have been improved.

Description

A anti-pollution filling equipment for lotion production

Technical Field

The utility model relates to a filling equipment field, in particular to an anti-pollution filling equipment for lotion production.

Background

The paste filling machine uses compressed air as power and consists of precise pneumatic elements to form an automatic filling system. The device has simple structure, sensitive and reliable action and convenient adjustment, is suitable for various liquids and viscous fluids, is suitable for filling paste bodies to work in flammable and explosive environments, and is the most ideal filling equipment in the industries of pharmacy, chemical industry, food, cosmetics and the like.

But current lotion filling equipment still needs other equipment for packing to carry out sealing operation to the bottleneck of filling bottle after filling the lotion in the filling bottle, because sealing operation and filling operation separately move, not only reduced production efficiency, and after filling bottle packs into the lotion, the lotion in the bottle contacts with the external world before sealed, receive easily to pollute or take place rotten, bring the potential safety hazard to the sanitary safety of product, moreover, the liquid filling machine is in operation process, there is certain distance position between filling head and the bottleneck, when the filling bottle breaks away from under the filling head, the lotion drops other positions easily, pollute the production environment, and then lead to current lotion filling equipment practicality to reduce.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the defects of the prior art, an anti-pollution filling device for paste production is provided.

The utility model provides a technical scheme that its technical problem adopted is: an anti-pollution filling device for paste production comprises a base, a material box, a material injection pipe, a controller, a conveyor belt, a packaging mechanism, a positioning mechanism and a conveying mechanism, wherein the conveyor belt and the material box are arranged above the base;

the positioning mechanism comprises a first motor, a positioning plate, a strip-shaped opening, an electromagnet and two positioning components, the first motor is fixed on the material box, the first motor is in transmission connection with one end of the positioning plate, the electromagnet is fixed on one side of the positioning plate, the strip-shaped opening is arranged on the positioning plate, the electromagnet is located between the two positioning components, the positioning components comprise an iron block, a connecting rod, a clamping plate and a spring, the iron block and the electromagnet are located on the same side of the positioning plate, the clamping plate is located on one side of the positioning plate, away from the iron block, the clamping plate is fixedly connected with the iron block through the connecting rod, the iron block is connected with the electromagnet through the spring, the connecting rod penetrates through the strip-shaped opening, and the electromagnet and the first motor are both electrically connected with the PLC;

the packagine machine constructs including lifting unit, flat board, second motor, dwang, filling head and twist cap subassembly, lifting unit is connected with dull and stereotyped transmission, the second motor is fixed on the flat board, the transmission is located with the center of dwang to the second motor, the filling head is located the both ends of dwang respectively with the twist cap subassembly, the filling head communicates with the workbin, the twist cap subassembly includes third motor, layer board and two fixed units, third motor and dwang fixed connection, the third motor is connected with the layer board transmission, and two fixed units are located the both ends of one side of keeping away from the third motor of layer board respectively, second motor and third motor all are connected with the PLC electricity.

Preferably, in order to detect whether the filling bottle leans against the positioning plate, a pressure sensor is arranged in the positioning plate and is electrically connected with the PLC.

Preferably, in order to ensure the stable movement of the iron block, the positioning assembly further comprises a convex block and a sliding rod, the convex block is fixedly connected with the electromagnet through the sliding rod, and the iron block is sleeved on the sliding rod.

Preferably, in order to realize the stable rotation of the rotating rod, two ends of one side of the rotating rod, which is close to the flat plate, are provided with sliding blocks, the flat plate is provided with an annular groove, the sliding blocks are in sliding connection with the annular groove, and the annular groove is a dovetail groove.

Preferably, a sealing plate is arranged on the periphery of the filling head to avoid the paste being polluted by the external environment during filling.

Preferably, in order to fix the bottle cap, the fixing unit comprises a fourth motor, a screw rod, a sleeve and a clamping block, the fourth motor is fixed on the supporting plate and electrically connected with the PLC, the fourth motor is in transmission connection with one end of the screw rod, the other end of the screw rod is arranged in the sleeve, the sleeve is sleeved on the screw rod and fixedly connected with the clamping block, and a thread matched with the clamping block is arranged at the joint of the sleeve and the clamping block.

Preferably, in order to guarantee the stable removal of sheathed tube, fixed unit still includes fixed frame, fixed frame is fixed on the layer board, fixed frame cover is established on the sleeve pipe.

As preferred, for the dull and stereotyped lift of drive removes, lift subassembly includes fifth motor, first connecting rod, second connecting rod, lifter plate and slide rail, the fifth motor is fixed on the workbin, the fifth motor is connected with the PLC electricity, the fifth motor is connected with first connecting rod transmission, first connecting rod is articulated through second connecting rod and lifter plate, lifter plate and dull and stereotyped fixed connection, the shape of slide rail is the U-shaped, the both ends of slide rail are fixed on the workbin, the lifter plate cover is established on the slide rail.

Preferably, in order to provide bottle caps for the supporting plate, the conveying mechanism comprises a vertical pipe, a transverse pipe, a moving block and a telescopic unit, the vertical pipe and the transverse pipe are fixed on the material box, the bottom end of the vertical pipe is communicated with the center of the transverse pipe, the periphery of the moving block is connected with the inner wall of the transverse pipe in a sealing mode, the telescopic unit is located on one side, far away from the packaging mechanism, of the transverse pipe, and the telescopic unit is in transmission connection with the moving block.

Preferably, in order to realize the reciprocating movement of the moving block, the telescopic unit comprises an air cylinder and a through hole, the cylinder body of the air cylinder is fixed on the material box, the air cylinder is electrically connected with the PLC, the through hole is formed in the inner wall of the side, far away from the packaging mechanism, of the transverse pipe, and an air rod of the air cylinder penetrates through the through hole and is fixedly connected with the moving block.

The beneficial effects of the utility model are that, this an anti-pollution filling equipment for lotion production is convenient for fix the filling bottle in the below of filling head through positioning mechanism, makes things convenient for the filling head to move down and stretches into in the filling bottle, and the lotion flows to the outside when avoiding the filling, moreover, realizes filling and sealed integrative operation through packagine machine structure, avoids the lotion in the filling bottle to receive the pollution, has improved the practicality of the work efficiency of filling and equipment.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of an anti-pollution filling device for paste production according to the present invention;

fig. 2 is a schematic structural diagram of a positioning mechanism of the anti-pollution filling equipment for paste production according to the present invention;

fig. 3 is a schematic structural diagram of a packaging mechanism of the anti-pollution filling equipment for paste production according to the present invention;

fig. 4 is a schematic structural diagram of a conveying mechanism of an anti-pollution filling device for paste production of the present invention

In the figure: 1. the automatic filling machine comprises a base, a material box, a material filling pipe, a controller, a conveyor belt, a first motor, a second motor, a positioning plate, an electromagnet, a first motor, a second motor, a rotating rod, a second motor, a third motor, a second motor, a pressure sensor, a protrusion, a second motor, a sliding rod, a sliding block, a second motor, a sliding block, a third motor, a fourth motor, a screw rod, a second motor, a third motor, a fourth motor, a screw rod, a sleeve, a fourth motor, a fifth motor, a first connecting rod, a fourth connecting rod and a fourth connecting rod 38.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1, an anti-pollution filling apparatus for paste production comprises a base 1, a material box 2, a material injection pipe 3, a controller 4, a conveyor belt 5, a packaging mechanism, a positioning mechanism and a conveying mechanism, wherein the conveyor belt 5 and the material box 2 are both arranged above the base 1, the material injection pipe 3 is fixed above the material box 2, the controller 4 is fixed on the material box 2, the controller 4 is provided with a display screen and a plurality of keys, the controller 4 is internally provided with a PLC, the display screen and the keys are all electrically connected with the PLC, the positioning mechanism, the packaging mechanism and the conveying mechanism are all arranged on one side of the material box 2 close to the conveyor belt 5, the positioning mechanism is positioned above the conveyor belt 5, and the packaging mechanism is positioned above the positioning mechanism;

a PLC, i.e., a programmable logic controller, which employs a programmable memory for storing therein a program, executing instructions for user-oriented operations such as logic operation, sequence control, timing, counting, and arithmetic operation, and controlling various types of machines or production processes through digital or analog input/output, is essentially a computer dedicated for industrial control, has a hardware structure substantially the same as that of a microcomputer, and is generally used for data processing and instruction reception and output for realizing central control.

The user is when using this filling equipment, pour into through annotating material pipe 3 in to workbin 2 after waiting the lotion that the filling was used, through the button settlement equipment working procedure on controller 4, place the filling bottle on conveyer belt 5, then equipment starts, it removes to drive the filling bottle by conveyer belt 5, utilize the position of the fixed filling bottle of positioning mechanism, provide the bottle lid to packagine machine through conveying mechanism, pack the lotion by packagine machine to filling bottle built-in by packagine machine, then packagine machine twists the bottle lid in the top of bottleneck, fix the bottle lid on the filling bottle, realize the sealed integrative automation mechanized operation of filling, when improving work efficiency, prevent that the lotion from receiving the pollution in the filling production, and then improved the practicality of equipment.

As shown in fig. 2, the positioning mechanism comprises a first motor 6, a positioning plate 7, a strip-shaped opening, an electromagnet 8 and two positioning components, the first motor 6 is fixed on the material box 2, the first motor 6 is in transmission connection with one end of the positioning plate 7, the electromagnet 8 is fixed on one side of the positioning plate 7, the strip-shaped opening is arranged on the positioning plate 7, the electromagnet 8 is positioned between two positioning components, the positioning components comprise an iron block 9, a connecting rod 10, a clamping plate 11 and a spring 12, the iron block 9 and the electromagnet 8 are positioned at the same side of the positioning plate 7, the clamping plate 11 is positioned at one side of the positioning plate 7 far away from the iron block 9, the clamping plate 11 is fixedly connected with the iron block 9 through a connecting rod 10, the iron block 9 is connected with the electromagnet 8 through a spring 12, the connecting rod 10 penetrates through the strip-shaped opening, and the electromagnet 8 and the first motor 6 are both electrically connected with the PLC;

the filling bottles move along with the rotation of the conveyor belt 5, when the filling bottles move to lean against the positioning plate 7, the PLC controls the electromagnets 8 to be electrified, the electromagnets 8 generate magnetism, the iron blocks 9 are attracted to move close to the electromagnets 8, so that the two electromagnets 8 drive the two clamping plates 11 to move close to each other through the connecting rods 10, the filling bottles are fixedly clamped between the two clamping plates 11 and above the conveyor belt 5, a packaging mechanism above the filling bottles is convenient to carry out filling and sealing operations, then the PLC controls the electromagnets 8 to be powered off, the electromagnets 8 lose magnetism, the compressed springs 12 restore deformation and push the two iron blocks 9 to move away from each other, so that the two clamping plates 11 are convenient to move away, then the PLC controls the first motor 6 to be started, the positioning plate 7 is driven to rotate upwards, the conveyor belt 5 drives the filled filling bottles to pass through the positioning plate 7, and then the PLC controls the first motor 6 to be started, the positioning plate 7 is driven to rotate to the position where the bottom of the positioning plate is parallel to the conveying belt 5, so that the filling bottles at other positions on the conveying belt 5 can be positioned conveniently.

As shown in fig. 3, packagine machine constructs including lifting unit, flat board 13, second motor 14, dwang 15, filling head 16 and screw cap subassembly, lifting unit is connected with flat board 13 transmission, second motor 14 is fixed on flat board 13, second motor 14 is located the transmission with the center of dwang 15 and is connected, filling head 16 and screw cap subassembly are located the both ends of dwang 15 respectively, filling head 16 and workbin 2 intercommunication, the screw cap subassembly includes third motor 17, layer board 18 and two fixed units, third motor 17 and dwang 15 fixed connection, third motor 17 is connected with layer board 18 transmission, and two fixed units are located the both ends of one side of keeping away from third motor 17 of layer board 18 respectively, second motor 14 and third motor 17 all are connected with the PLC electricity.

In the packaging mechanism, the filling head 16 is communicated with the work bin 2, so that paste in the work bin 2 can be conveniently conveyed into a filling bottle through the filling head 16, when filling and sealing operations are carried out, firstly, the PLC controls the conveying mechanism to provide bottle caps for a support plate 18 of the screwing-capping component, then the two fixing units fix the bottle caps on the support plate 18, then, the PLC controls the lifting component to be started to drive the flat plate 13 to move downwards, so that the head part of the filling head 16 enters the filling bottle, the filling head 16 outputs the paste to enter the filling bottle, as the filling head 16 enters the filling bottle fixed by the positioning mechanism at the moment, the paste is prevented from falling outside the filling bottle, after the paste is conveyed, the lifting component drives the flat plate 13 to move upwards, then, the PLC controls the second motor 14 to be started to drive the rotating rod 15 to rotate for a half circle, so that the screwing-capping component is opposite to the bottle mouth of the filling bottle, and the lifting component drives the flat plate 13 to slowly move downwards, PLC controls the rotation of third motor 17 for by the fixed bottle lid of fixed unit rotatory, twist the bottle lid in the bottleneck department of filling bottle, and then accomplished sealing work, then PLC control lifting unit starts, drives dull and stereotyped 13 rebound back, and second motor 14 drives the rotatory half circumference of dwang 15 again, makes filling head 16 and twist cap subassembly reset, is convenient for carry out filling and sealed operation to next filling bottle.

Preferably, in order to detect whether a filling bottle is leaning against the positioning plate 7, a pressure sensor 19 is arranged in the positioning plate 7, and the pressure sensor 19 is electrically connected with the PLC. After the filling bottle leaned on locating plate 7, pressure sensor 19 in locating plate 7 detected the pressure that comes from the filling bottle to give PLC with pressure data transfer, PLC acquires pressure data after, control 8 circular telegrams of electro-magnet, fix the filling bottle.

Preferably, in order to ensure the stable movement of the iron block 9, the positioning assembly further comprises a projection 20 and a slide rod 21, the projection 20 is fixedly connected with the electromagnet 8 through the slide rod 21, and the iron block 9 is sleeved on the slide rod 21. The position of the sliding rod 21 is conveniently fixed by the convex block 20 fixed on the positioning plate 7, so that the iron block 9 moves along the axis direction of the sliding rod 21 after the electromagnet 8 is electrified, and the iron block 9 is prevented from being separated from the sliding rod 21 when the spring 12 is reset, thereby ensuring the stable movement of the iron block 9.

Preferably, in order to realize the stable rotation of the rotating rod 15, two ends of one side of the rotating rod 15 close to the flat plate 13 are provided with sliding blocks 22, the flat plate 13 is provided with an annular groove 23, the sliding blocks 22 are slidably connected with the annular groove 23, and the annular groove 23 is a dovetail groove. The circular groove 23 fixed on the flat plate 13 fixes the rotation track of the sliding block 22, and the sliding block 22 is fixedly connected with the rotating rod 15, so that the rotating rod 15 can stably rotate.

Preferably, a sealing plate 24 is provided around the periphery of the filling head 16 to prevent contamination of the paste from the external environment during filling. After the filling head 16 moves downwards along with the flat plate 13 and extends into the filling bottle, the sealing plate 24 can block the opening of the filling bottle, so that the paste is prevented from being polluted when being contacted with the external environment during paste injection.

As shown in fig. 3, the fixing unit includes a fourth motor 25, a screw rod 26, a sleeve 27 and a clamping block 28, the fourth motor 25 is fixed on the supporting plate 18, the fourth motor 25 is electrically connected with the PLC, the fourth motor 25 is in transmission connection with one end of the screw rod 26, the other end of the screw rod 26 is arranged in the sleeve 27, the sleeve 27 is sleeved on the screw rod 26, the sleeve 27 is fixedly connected with the clamping block 28, and a connection part of the sleeve 27 and the clamping block 28 is provided with a thread matched with the clamping block 28.

The PLC controls the fourth motor 25 to be started, the lead screw 26 is driven to rotate, the lead screw 26 acts on the sleeve 27 through threads, the clamping blocks 28 move on the surface of the supporting plate 18, when the two clamping blocks 28 move close to each other, the bottle cap can be fixed on the supporting plate 18, the third motor 17 drives the supporting plate 18 to rotate, the bottle cap is made to rotate, and the bottle cap is convenient to fix on a filling bottle.

Preferably, in order to ensure the stable movement of the sleeve 27, the fixing unit further comprises a fixing frame 29, the fixing frame 29 is fixed on the supporting plate 18, and the fixing frame 29 is sleeved on the sleeve 27. The sleeve 27 is limited by the fixing frame 29, so that the sleeve 27 moves on the inner side of the fixing frame 29, and the sleeve 27 is prevented from rotating after the screw rod 26 rotates.

As shown in fig. 3, the lifting assembly includes a fifth motor 30, a first connecting rod 31, a second connecting rod 32, a lifting plate 33 and a sliding rail 34, the fifth motor 30 is fixed on the material box 2, the fifth motor 30 is electrically connected with the PLC, the fifth motor 30 is connected with the first connecting rod 31 in a transmission manner, the first connecting rod 31 is hinged to the lifting plate 33 through the second connecting rod 32, the lifting plate 33 is fixedly connected with the flat plate 13, the sliding rail 34 is in a U-shaped shape, two ends of the sliding rail 34 are fixed on the material box 2, and the lifting plate 33 is sleeved on the sliding rail 34.

PLC control fifth motor 30 starts, drives first connecting rod 31 and rotates, and first connecting rod 31 passes through second connecting rod 32 and acts on lifter plate 33 for lifter plate 33 reciprocates along the direction of slide rail 34, because lifter plate 33 and dull and stereotyped 13 fixed connection, thereby has realized dull and stereotyped 13's raising and lowering functions.

As shown in fig. 4, the conveying mechanism includes a vertical tube 35, a horizontal tube 36, a moving block 37 and a telescopic unit, the vertical tube 35 and the horizontal tube 36 are both fixed on the material box 2, the bottom end of the vertical tube 35 is communicated with the center of the horizontal tube 36, the periphery of the moving block 37 is hermetically connected with the inner wall of the horizontal tube 36, the telescopic unit is located on one side of the horizontal tube 36 far away from the packaging mechanism, and the telescopic unit is in transmission connection with the moving block 37.

The stand pipe 35 is used for piling up and depositing the bottle lid, when the bottle lid is carried to the layer board 18 to needs, PLC control telescoping unit removes, drive movable block 37 carries out reciprocating motion in proper order in violently managing 36, when movable block 37 moves to the opening part of violently managing 36, can push the bottle lid of the bottom in the stand pipe 35 to the top of layer board 18, and after movable block 37 got back to violently managing 36's the one side of keeping away from packagine machine structure, the bottle lid in the stand pipe 35 moved down, when being convenient for movable block 37 removes once more, can push the bottle lid to on the layer board 18.

Preferably, in order to realize the reciprocating movement of the moving block 37, the telescopic unit comprises an air cylinder 38 and a through hole, the cylinder body of the air cylinder 38 is fixed on the material box 2, the air cylinder 38 is electrically connected with the PLC, the through hole is arranged on the inner wall of the side, away from the packing mechanism, of the transverse tube 36, and the air rod of the air cylinder 38 passes through the through hole and is fixedly connected with the moving block 37. The PLC controls the activation of the air cylinder 38 to adjust the amount of air in the cylinder of the air cylinder 38, which in turn moves the moving block 37 in the cross tube 36.

This filling equipment is in the use, conveyer belt 5 drives the filling bottle and supports and lean on behind locating plate 7, 8 circular telegrams of electro-magnet, make two locating component's splint 11 be close to the filling bottle simultaneously, fix and standardize the position of filling bottle, then lifting unit drives dull and stereotyped 13 downstream, make filling head 16 stretch into in the filling bottle, the lotion is arranged to the outside when avoiding the filling, then lifting unit drives dull and stereotyped 13 and rises, switch the position of filling head 16 and twist cap subassembly by second motor 14, again drive dull and stereotyped 13 downstream by lifting unit, fix the bottle lid on the filling bottle through twist cap subassembly, realize filling and sealed integrative operation, avoid the lotion to receive the pollution, and then the practicality of equipment has been improved.

Compared with the prior art, this an anti-pollution filling equipment for lotion production is convenient for fix the filling bottle in the below of filling head 16 through positioning mechanism, makes things convenient for the first 16 downstream of filling to stretch into the filling bottle in, the lotion flows to the outside when avoiding the filling, moreover, realizes filling and sealed integrative operation through packagine machine structure, avoids the lotion in the filling bottle to receive the pollution, has improved the work efficiency of filling and the practicality of equipment.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An anti-pollution filling device for paste production is characterized by comprising a base (1), a material box (2), a material injection pipe (3), a controller (4), a conveyor belt (5), a packaging mechanism, a positioning mechanism and a conveying mechanism, the conveyor belt (5) and the feed box (2) are both arranged above the base (1), the material injection pipe (3) is fixed above the material box (2), the controller (4) is fixed on the material box (2), a display screen and a plurality of keys are arranged on the controller (4), a PLC is arranged in the controller (4), the display screen and the keys are electrically connected with the PLC, the positioning mechanism, the packaging mechanism and the conveying mechanism are all arranged on one side of the material box (2) close to the conveyor belt (5), the positioning mechanism is positioned above the conveyor belt (5), and the packaging mechanism is positioned above the positioning mechanism;

the positioning mechanism comprises a first motor (6), a positioning plate (7), a bar-shaped opening, an electromagnet (8) and two positioning components, the first motor (6) is fixed on the material box (2), the first motor (6) is in transmission connection with one end of the positioning plate (7), the electromagnet (8) is fixed on one side of the positioning plate (7), the bar-shaped opening is arranged on the positioning plate (7), the electromagnet (8) is positioned between the two positioning components, the positioning components comprise an iron block (9), a connecting rod (10), a clamping plate (11) and a spring (12), the iron block (9) and the electromagnet (8) are positioned on the same side of the positioning plate (7), the clamping plate (11) is positioned on one side of the positioning plate (7) far away from the iron block (9), the clamping plate (11) is fixedly connected with the iron block (9) through the connecting rod (10), the iron block (9) is connected with the electromagnet (8) through the spring (12), the connecting rod (10) penetrates through the strip-shaped opening, and the electromagnet (8) and the first motor (6) are electrically connected with the PLC;

the packaging mechanism comprises a lifting component, a flat plate (13), a second motor (14), a rotating rod (15), a filling head (16) and a screw cap component, the lifting component is in transmission connection with the flat plate (13), the second motor (14) is fixed on the flat plate (13), the second motor (14) is in transmission connection with the center of the rotating rod (15), the filling head (16) and the screw cap component are respectively positioned at the two ends of the rotating rod (15), the filling head (16) is communicated with the material box (2), the screw cap component comprises a third motor (17), a supporting plate (18) and two fixing units, the third motor (17) is fixedly connected with the rotating rod (15), the third motor (17) is in transmission connection with the supporting plate (18), the two fixing units are respectively positioned at two ends of one side of the supporting plate (18) far away from the third motor (17), the second motor (14) and the third motor (17) are electrically connected with the PLC.

2. The filling apparatus for pollution prevention for paste production according to claim 1, wherein a pressure sensor (19) is provided in the positioning plate (7), and the pressure sensor (19) is electrically connected to the PLC.

3. The filling equipment for pollution prevention in paste production according to claim 1, wherein the positioning assembly further comprises a projection (20) and a slide rod (21), the projection (20) is fixedly connected with the electromagnet (8) through the slide rod (21), and the iron block (9) is sleeved on the slide rod (21).

4. The filling apparatus for pollution prevention in paste production according to claim 1, wherein the two ends of the rotating rod (15) on the side close to the flat plate (13) are provided with sliding blocks (22), the flat plate (13) is provided with an annular groove (23), the sliding blocks (22) are slidably connected with the annular groove (23), and the annular groove (23) is a dovetail groove.

5. The contamination-proof filling apparatus for paste production according to claim 1, wherein a sealing plate (24) is provided at an outer periphery of the filling head (16).

6. The anti-pollution filling equipment for paste production according to claim 1, wherein the fixing unit comprises a fourth motor (25), a screw rod (26), a sleeve (27) and a clamping block (28), the fourth motor (25) is fixed on the supporting plate (18), the fourth motor (25) is electrically connected with the PLC, the fourth motor (25) is in transmission connection with one end of the screw rod (26), the other end of the screw rod (26) is arranged in the sleeve (27), the sleeve (27) is sleeved on the screw rod (26), the sleeve (27) is fixedly connected with the clamping block (28), and a connecting part of the sleeve (27) and the clamping block (28) is provided with a thread matched with the clamping block (28).

7. The filling plant for paste production against contamination according to claim 6, wherein the fixing unit further comprises a fixing frame (29), the fixing frame (29) being fixed on the support plate (18), the fixing frame (29) being fitted over the sleeve (27).

8. The anti-pollution filling equipment for paste production according to claim 1, wherein the lifting assembly comprises a fifth motor (30), a first connecting rod (31), a second connecting rod (32), a lifting plate (33) and a sliding rail (34), the fifth motor (30) is fixed on the material box (2), the fifth motor (30) is electrically connected with the PLC, the fifth motor (30) is in transmission connection with the first connecting rod (31), the first connecting rod (31) is hinged to the lifting plate (33) through the second connecting rod (32), the lifting plate (33) is fixedly connected with the flat plate (13), the sliding rail (34) is U-shaped, two ends of the sliding rail (34) are fixed on the material box (2), and the lifting plate (33) is sleeved on the sliding rail (34).

9. The filling equipment used for pollution prevention of paste production according to claim 1, wherein the conveying mechanism comprises a vertical pipe (35), a transverse pipe (36), a moving block (37) and a telescopic unit, the vertical pipe (35) and the transverse pipe (36) are both fixed on the feed box (2), the bottom end of the vertical pipe (35) is communicated with the center of the transverse pipe (36), the periphery of the moving block (37) is hermetically connected with the inner wall of the transverse pipe (36), the telescopic unit is located on one side of the transverse pipe (36) far away from the packing mechanism, and the telescopic unit is in transmission connection with the moving block (37).

10. The filling apparatus for pollution prevention in paste production according to claim 9, wherein the telescopic unit comprises an air cylinder (38) and a through hole, the cylinder body of the air cylinder (38) is fixed on the material box (2), the air cylinder (38) is electrically connected with the PLC, the through hole is arranged on the inner wall of the side of the transverse pipe (36) far away from the packing mechanism, and the air rod of the air cylinder (38) passes through the through hole to be fixedly connected with the moving block (37).