CN210303524U

CN210303524U - Liquid proportioning machine

Info

Publication number: CN210303524U
Application number: CN201920172182.9U
Authority: CN
Inventors: 沈如华; 李环
Original assignee: Zhengzhou Sanhua Technology and Industry Co Ltd
Current assignee: Zhengzhou Sanhua Technology and Industry Co Ltd
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2020-04-14
Anticipated expiration: 2029-01-31

Abstract

The liquid proportioning machine comprises at least two liquid storage mechanisms for storing liquid, a pump body for extracting the liquid from the liquid storage mechanisms and a liquid outlet part for connecting a liquid outlet of the pump body and injecting the liquid; the liquid storage mechanisms are respectively connected with the corresponding pump bodies, and speed regulating mechanisms which enable the liquid outlet speed of each pump body to keep a proportion are arranged between the pump bodies. The pump body comprises a rotating shaft, and the rotating shaft rotates to pump the pump body and discharge liquid; the speed regulating mechanism comprises a driving shaft driven by the driving mechanism to rotate, and the driving shaft drives the rotating shaft of the liquid storage mechanism to rotate through the transmission mechanism and enables the rotating speed between the rotating shafts to keep a proportion. The driving shaft drives any rotating shaft to rotate through the first transmission mechanism, and the second transmission mechanism is arranged between other rotating shafts and the rotating shaft directly driven by the driving shaft. The utility model discloses an automatic mode of ratio does not need the proportion of artifical various liquid of allotment, has improved the quality of work efficiency, allotment precision and product. The whole device has low cost and high market competitiveness.

Description

Liquid proportioning machine

Technical Field

The utility model belongs to varnish ratio field, concretely relates to liquid ratio machine.

Background

After painting on automobiles or other equipment, a layer of varnish is needed for protection. The varnish includes curing agent and thermosetting resin in certain proportion, and some diluent is added as required. The existing proportioning method adopts manual work, a certain amount of curing agent is poured out manually, and then a proportional amount of thermosetting resin is poured out. This operation is time consuming and laborious and inefficient. And the proportion is not accurate, so that the varnish can not meet the actual requirement.

Disclosure of Invention

The utility model provides a liquid proportioning machine with low costs, efficient, the ratio is accurate.

The purpose of the utility model is realized with the following mode: the liquid proportioning machine comprises at least two liquid storage mechanisms (2) for storing liquid, a pump body (3) for extracting the liquid from the liquid storage mechanisms (2) and a liquid outlet part which is connected with a liquid outlet of the pump body (3) and used for injecting the liquid; the liquid storage mechanisms (2) are respectively connected with the corresponding pump bodies (3), and speed regulating mechanisms for keeping the liquid outlet speed of each pump body (3) in proportion are arranged between the pump bodies (3).

The pump body (3) comprises a rotating shaft (30), and the rotating shaft (30) rotates to enable the pump body (3) to pump and discharge liquid; the speed regulating mechanism comprises a driving shaft (5) driven by the driving mechanism to rotate, and the driving shaft (5) drives a rotating shaft (30) of the liquid storage mechanism (2) to rotate through the transmission mechanism and enables the rotating speed between the rotating shafts (30) to keep a proportion.

The driving shaft (5) drives any rotating shaft (30) to rotate through the first transmission mechanism (6), and the second transmission mechanism (7) is arranged between the other rotating shafts (30) and the rotating shaft (30) directly driven by the driving shaft (5).

The second transmission mechanism (7) is a belt transmission mechanism, belt wheels (70) are arranged on the rotating shafts (30) of the pump body (3), and a belt (71) is arranged between the belt wheels (70) of the two rotating shafts (30); the radius of at least one pulley (70) is adjustable, called an adjustment pulley.

The adjusting belt wheel comprises a fixing plate (73), a conical adjusting wedge (74) capable of ascending and descending is arranged on the fixing plate (73), at least two fan-shaped belt wheels (75) are arranged on the fixing plate (73) along the circumference of the conical surface of the adjusting wedge (74), the inner side surfaces of the fan-shaped belt wheels (75) are in contact with the conical surface of the adjusting wedge (74), the outer side surfaces, far away from the adjusting wedge (74), of the fan-shaped belt wheels (75) are circular ring surfaces, a belt (71) is arranged on the circular ring surfaces, and the distance from the outer side surfaces of the fan-shaped belt wheels (75) to the central axis.

The spraying device is characterized by further comprising a machine body (1), wherein a spraying base support (8) is arranged on the machine body (1), a spraying base (80) is arranged on the spraying base support (8), nozzles (81) are arranged in the spraying base (80), and each nozzle (81) is connected with the corresponding pump body (3) through a pipeline; the liquid outlet is positioned below the nozzle (81); a moisture-keeping cover (82) covering the movement of the nozzle base (80) is arranged below the nozzle base (80).

Two outer arms (83) and two inner arms (84) are arranged between two sides of the moisturizing cover (82) and the corresponding side of the spray seat bracket (8) above the moisturizing cover; a four-bar linkage mechanism is formed among the spray seat bracket (8), the outer arm (83), the moisturizing cover (82) and the outer arm (83); a four-bar linkage mechanism is formed among the spray seat bracket (8), the inner arm (84), the moisturizing cover (82) and the inner arm (84); wherein one end of the two outer arms (83) close to the moisturizing cover (82) extends to form an extending end, and the extending ends are connected through a handle (85); a spring seat (86) is arranged above the hinged part of the outer arm (83), the inner arm (84) and the spray seat support (8) on the spray seat support (8), and springs (87) which enable the moisture-preserving cover (82) to cover the spray seat (80) are respectively arranged between the spring seat (86) and the outer arm (83) as well as between the spring seat (86) and the inner arm (84).

The driving mechanism is a handle (10) arranged on the driving shaft (5), and the handle (10) rotates to drive the driving shaft (5) to rotate.

The liquid proportioning machine is a varnish proportioning machine, the liquid storage mechanism (2) comprises a soft bag (20) and a storage tank (22), and a bag body cover is arranged on the soft bag (20); the lower part of the soft bag (20) and the lower part of the storage tank (22) are respectively connected with liquid inlets of two pump bodies (3), namely a first pump body (31) and a second pump body (32), through pipelines; the ratio of the rotation speed between the rotating shafts (30) of the two pump bodies (3) is kept in a certain proportion.

The pump also comprises another soft bag, namely a second soft bag (21), the lower part of the second soft bag (21) is connected with another pump body (3) through a pipeline, namely a liquid inlet of a third pump body (33), a rotating shaft (30) of the third pump body (33) is driven to rotate through a second driving shaft (11), and a first transmission mechanism (6) is arranged between the second driving shaft (11) and the rotating shaft (30) of the third pump body (33); one end of the second driving shaft (11) is provided with a handle (10); the handle (10) rotates to drive the second driving shaft (11) to rotate.

The utility model has the advantages that: the automatic proportioning mode is adopted, the proportion of various liquids does not need to be manually regulated, the working efficiency and the regulating precision are improved, and the product quality is improved. The radius of the belt wheel can be finely adjusted, so that errors can be offset, and the proportioning precision is kept. The whole device has low cost and high market competitiveness.

Drawings

Fig. 1 is an overall schematic view of the present invention.

FIG. 2 is a schematic view of FIG. 1 with portions of the housing, spray gun and portions of the piping hidden.

Fig. 3 is a perspective view of fig. 2.

Fig. 4 is a schematic view of an adjustment pulley.

Fig. 5 is a bottom view of fig. 4.

Fig. 6 is a sectional view of fig. 4.

FIG. 7 is a schematic view of a nozzle plate holder and a four bar linkage.

Fig. 8 is another schematic view of the position of fig. 7.

Wherein, 1 is a machine body, 2 is a liquid storage mechanism, 20 is a soft bag, 21 is a second soft bag, 22 is a storage tank, 3 is a pump body, 30 is a rotating shaft, 31 is a first pump body, 32 is a second pump body, 33 is a third pump body, 5 is a driving shaft, 6 is a first transmission mechanism, 7 is a second transmission mechanism, 70 is a belt wheel, 71 is a belt, 73 is a fixed plate, 74 is an adjusting wedge, 75 is a sector belt wheel, 76 is an adjusting rod, 8 is a spray seat bracket, 80 is a spray seat, 81 is a nozzle, 82 is a moisture-preserving cover, 83 is an outer arm, 84 is an inner arm, 85 is a handle, 86 is a spring seat, 87 is a spring, 9 is a paint mixing cup, 10 is a handle, 11 is a second driving shaft, 12 is a filter, and 13 is a spray gun.

Detailed Description

As shown in fig. 1-8, the liquid proportioning machine includes at least two liquid storage mechanisms 2 for storing liquid, a pump body 3 for pumping liquid from the liquid storage mechanisms 2, and a liquid outlet for connecting the liquid outlet of the pump body 3 and injecting liquid. The liquid storage mechanisms 2 are respectively connected with the corresponding pump bodies 3, and speed regulating mechanisms for keeping the liquid outlet speed of each pump body 3 in proportion are arranged between the pump bodies 3. The liquid storage mechanism 2, the pump body 3 and the liquid outlet are connected through pipelines, and a valve control switch can be arranged. The automatic proportioning mode is adopted, the proportion of various liquids does not need to be manually regulated, the working efficiency and the regulating precision are improved, and the product quality is improved.

The pump body 3 includes a shaft 30, and rotation of the shaft 30 causes the pump body 3 to draw in and discharge liquid, such as the pump body in CN 203022984U. The speed regulating mechanism comprises a driving shaft 5 driven by the driving mechanism to rotate, and the driving shaft 5 drives a rotating shaft 30 of the liquid storage mechanism 2 to rotate through the transmission mechanism and enables the rotating speed between the rotating shafts 30 to keep a proportion. The rotating speed ratio between the rotating shafts 30 keeps the liquid outlet speed of each pump body 3 to the required ratio, and the specific ratio is determined according to the requirement. The pump body 3 can be a rotary pump, a plunger pump and the like; the rotating angle of the rotating shaft 30 can influence the liquid output of the pump body 3. The driving mechanism can be manual or electric motor. For cost saving, it is preferred to manually rotate the drive shaft 5. The transmission mechanism is a belt transmission mechanism or a chain wheel transmission mechanism or a gear transmission mechanism. Or other transmission mechanism as long as the rotating speed of the rotating shaft can meet the requirement.

The driving shaft 5 drives any rotating shaft 30 to rotate through the first transmission mechanism 6, and the second transmission mechanism 7 is arranged between the other rotating shafts 30 and the rotating shaft 30 directly driven by the driving shaft 5. Of course, the driving shaft 5 can directly drive a plurality of rotating shafts through a plurality of transmission mechanisms respectively.

The second transmission mechanism 7 is exemplified by a belt transmission mechanism, wherein a belt wheel 70 is arranged on the rotating shaft of the pump body 3, and a belt 71 is arranged between the belt wheels 70 of the two rotating shafts 30; the radius of at least one pulley 70 is adjustable, referred to as an adjustment pulley. Wherein the first transmission mechanism 6 may be a synchronous belt transmission. The pulley 70 is adjustable in radius and may be provided as a concentric plurality of different diameter pulleys, similar to a gear transmission, or as some other mechanism. In this way, the ratio of the rotational speeds between the individual shafts can be adjusted or fine-tuned.

The adjusting pulley comprises a fixing plate 73, a conical adjusting wedge 74 capable of ascending and descending is arranged on the fixing plate 73, at least two fan-shaped pulleys 75 are arranged on the fixing plate 73 along the circumference of the conical surface of the adjusting wedge 74, the inner side surface of each fan-shaped pulley 75 is in contact with the conical surface of the adjusting wedge 74, the outer side surface of each fan-shaped pulley 75, far away from the adjusting wedge 74, is a circular ring surface, a belt 71 is arranged on the circular ring surface, and the distance from the outer side surface of each fan-shaped pulley 75 to the central shaft of. An adjusting rod 76 is arranged on the fixing plate 73, one end of the adjusting rod 76 is arranged in the adjusting wedge 74, and the other end of the adjusting rod 76 penetrates through the fixing plate 73 and then is connected with the fixing plate 73. The adjusting rod 76 may be provided with a screw thread, the fixing plate 73 may be provided with a screw hole, and the adjusting rod 76 and the fixing plate 73 may be connected to each other by a screw thread to be lifted and lowered, thereby lifting and lowering the adjusting wedge 74. The conical surface of the adjustment wedge 74 contacts the inner surface of the sector pulley 75, the adjustment wedge 74 moves up and down, and the sector pulley 75 moves in a direction away from or toward the adjustment wedge 74, thereby adjusting the radius of the entire adjustment pulley. The sector pulley 75 is slidably disposed on the fixing plate 73, that is, a long hole is disposed on the fixing plate 73, and a bolt for fixing the sector pulley 75 is disposed in the long hole. The sector pulley 75 is moved into position and bolted in place. This adjustment method allows fine adjustment of the ratio of the rotational speed between the rotating shaft 30 on which the pulley is located and the other rotating shaft 30, thereby making the ratio accurate. Errors exist during assembly, and the proportion can be finely adjusted; the belt can also play a role in adjustment when becoming loose or tight.

The spraying machine further comprises a machine body 1, wherein a spraying base support is arranged on the machine body 1, a spraying base 80 is arranged on the spraying base support 8, nozzles 81 are arranged in the spraying base 80, and each nozzle 81 is connected with the corresponding pump body 3 through a pipeline; the liquid outlet is positioned below the nozzle 81. A moisture retention cap 82 covering the movement of the nozzle base 80 is provided below the nozzle base 80. Under normal conditions, the moisture-keeping cover 82 covers the nozzle seat 80, wherein the covering means to shield the opening end of the nozzle seat 80 to prevent the nozzle 81 from contacting with air too much. In order to reduce the cost, the fitting relationship between the nozzle base 80 and the moisturizing cap 82 may not be provided, and the contact may be pressed.

When access to the liquid is required, the moisturizing cap 82 is removed. The moisturizing cap 82 corresponds in shape to the nozzle base 80. The nozzle base 80 may have a circumferential shape with a hollow interior, and the nozzle 81 is disposed in the hollow interior. The moisturizing cap 82 is also cylindrical and hollow inside.

Two outer arms 83 and two inner arms 84 are provided between both sides of the moisturizing cap 82 and the corresponding sides of the nozzle holder support 8 above the moisturizing cap. A four-bar linkage mechanism is formed among the spray seat bracket 8, the outer arm 83, the moisturizing cover 82 and the outer arm 83. A four-bar linkage mechanism is formed among the nozzle support 8, the inner arm 84, the moisturizing cover 82 and the inner arm 84. One end of the two outer arms 83 near the moisturizing cap 82 extends to form an extending end, and the extending ends are connected through a handle 85. A spring seat 86 is arranged above the hinged part of the outer arm 83, the inner arm 84 and the nozzle seat support 8 on the nozzle seat support 8, and a spring 87 which enables the moisturizing cover 82 to cover the nozzle seat 80 is respectively arranged between the spring seat 86 and the outer arm 83, the inner arm 84. When the varnish is required to be prepared, the handle 85 is pushed by the paint cup 9 to move inward until the paint cup 9 reaches a predetermined position, at which time the extending end of the outer arm 83 is substantially vertical, and the two springs 87 are also substantially vertical or inclined forward and backward at substantially the same angle, respectively. In this state, the resultant force of the horizontal component forces of the two springs 87 is small, the force applied by the handle 85 to the paint mixing cup 9 is small, and the paint mixing cup 9 is not pushed away from the original position by the handle 85. After the paint mixing cup 9 is taken away, the four-bar mechanism drives the moisturizing cover 82 to move forward to cover the spray head seat 80. In addition, the hinge points of the outer arm 83, the inner arm 84 and the nozzle holder support 8 are located on the inner side of the nozzle holder support 8, and a spring 87 can be arranged between the outer side of the nozzle holder support 8 and the upper portion of the inner arm, so that the side, located on the outer side of the nozzle holder support 8, of the moisturizing cover 82 can be tightly closed with the nozzle holder 80, and no gap is left. Thus 3 springs are provided between the four bar linkage on each side. The specific arrangement of the spring is determined according to requirements, as long as the moisture-preserving cover is tightly closed in a normal state, and the resultant force of the paint exchanging cup 9 is small in a liquid receiving state.

Further, the drive mechanism is a handle 10 provided on the drive shaft 5, and rotation of the handle 10 rotates the drive shaft 5. The handle 10 is arranged on the machine body 1, and the liquid storage mechanism 2 is arranged inside the machine body 1.

The liquid proportioning machine is a varnish proportioning machine, the liquid storage mechanism 2 comprises a soft bag 20 and a storage tank 22, and a bag body cover is arranged on the soft bag 20. The lower part of the soft bag 20 and the lower part of the storage tank 22 are respectively connected with the liquid inlets of the two pump bodies 3, namely the first pump body 31 and the second pump body 32 through pipelines. The ratio of the rotational speeds between the rotary shafts 30 of the two pump bodies 3 is maintained in a certain ratio. The flexible bag 20 can be air-tight to prevent the change of volatile or deteriorating liquid. The bag body cover and the soft bag 20 are sealed. After the liquid is added into the soft bag 20, the soft bag 20 is squeezed by hand, the residual gas is squeezed out from the bag opening, and then the bag cover is closed for sealing. In this embodiment, the varnish proportioning machine is used. A curing agent is arranged in the soft bag 20, and thermosetting resin is arranged in the storage tank 22; the thermosetting resin and the curing agent may be mixed and cured to form a varnish. The liquid injection rate of the thermosetting resin and the curing agent is 2 to 1, and the ratio of the radii of the two pulleys 70 is 2 to 1, but other ratios may be used.

The liquid storage mechanism 2 also comprises another soft bag, which is called a second soft bag 21, the lower part of the second soft bag 21 is connected with another pump body and a liquid inlet called a third pump body 33 through a pipeline, a rotating shaft of the third pump body 33 is driven to rotate through a second driving shaft 11, and a first transmission mechanism 6 is arranged between the second driving shaft 11 and the rotating shaft 30 of the third pump body 33; one end of the second driving shaft 11 is provided with a handle 10; the handle 10 rotates to rotate the second driving shaft 11. The second soft bag 21 is filled with diluent which is added according to the requirement of customers, does not need proportioning and is driven independently. In the varnish proportioning machine, the drive shaft 5 and the second drive shaft 11 are both manually driven, so that the cost is reduced to the maximum extent. In addition, a filter 12 and a spray gun 13 can be arranged on the machine body 1, and the prepared varnish in the varnish mixing cup 9 is filtered and sprayed out through the spray gun 13.

In particular embodiments, a desired liquid is placed within the flexible bag 20 and the reservoir 22. When the paint is required to be mixed, the paint mixing cup 9 is placed at the liquid outlet, the handle 10 is rotated, and the liquid with a specific proportion flows out from the nozzle 81 at the liquid outlet. The handle 10 is stopped rotating after taking a proper amount of liquid, and then a proper amount of diluent is taken and used after being stirred.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

Claims

1. The liquid proportioning machine comprises at least two liquid storage mechanisms (2) for storing liquid, a pump body (3) for extracting the liquid from the liquid storage mechanisms (2) and a liquid outlet part which is connected with a liquid outlet of the pump body (3) and used for injecting the liquid; the method is characterized in that: the liquid storage mechanisms (2) are respectively connected with the corresponding pump bodies (3), and speed regulating mechanisms for keeping the liquid outlet speed of each pump body (3) in proportion are arranged between the pump bodies (3).

2. The liquid proportioning machine of claim 1, wherein: the pump body (3) comprises a rotating shaft (30), and the rotating shaft (30) rotates to enable the pump body (3) to pump and discharge liquid; the speed regulating mechanism comprises a driving shaft (5) driven by the driving mechanism to rotate, and the driving shaft (5) drives a rotating shaft (30) of the liquid storage mechanism (2) to rotate through the transmission mechanism and enables the rotating speed between the rotating shafts (30) to keep a proportion.

3. The liquid proportioning machine of claim 2, wherein: the driving shaft (5) drives any rotating shaft (30) to rotate through the first transmission mechanism (6), and the second transmission mechanism (7) is arranged between the other rotating shafts (30) and the rotating shaft (30) directly driven by the driving shaft (5).

4. The liquid proportioning machine of claim 3, wherein: the second transmission mechanism (7) is a belt transmission mechanism, belt wheels (70) are arranged on the rotating shafts (30) of the pump body (3), and a belt (71) is arranged between the belt wheels (70) of the two rotating shafts (30); the radius of at least one pulley (70) is adjustable, called an adjustment pulley.

5. The liquid proportioning machine of claim 4, wherein: adjust the band pulley including fixed plate (73), set up conical adjustment wedge (74) that can go up and down on fixed plate (73), set up two at least sector pulley (75) along adjustment wedge (74) conical surface circumference on fixed plate (73), sector pulley (75) inboard surface and adjustment wedge (74) conical surface contact, sector pulley (75) keep away from the outside surface of adjusting wedge (74) and be the torus, set up belt (71) on the torus, the outside surface of sector pulley (75) is the same to the distance of adjustment wedge (74) central axis.

6. The liquid proportioning machine of any one of claims 1-5 wherein: the spraying device is characterized by further comprising a machine body (1), wherein a spraying base support (8) is arranged on the machine body (1), a spraying base (80) is arranged on the spraying base support (8), nozzles (81) are arranged in the spraying base (80), and each nozzle (81) is connected with the corresponding pump body (3) through a pipeline; the liquid outlet is positioned below the nozzle (81); a moisture-keeping cover (82) covering the movement of the nozzle base (80) is arranged below the nozzle base (80).

7. The liquid proportioning machine of claim 6, wherein: two outer arms (83) and two inner arms (84) are arranged between two sides of the moisturizing cover (82) and the corresponding side of the spray seat bracket (8) above the moisturizing cover; a four-bar linkage mechanism is formed among the spray seat bracket (8), the outer arm (83), the moisturizing cover (82) and the outer arm (83); a four-bar linkage mechanism is formed among the spray seat bracket (8), the inner arm (84), the moisturizing cover (82) and the inner arm (84); wherein one end of the two outer arms (83) close to the moisturizing cover (82) extends to form an extending end, and the extending ends are connected through a handle (85); a spring seat (86) is arranged above the hinged part of the outer arm (83), the inner arm (84) and the spray seat support (8) on the spray seat support (8), and springs (87) which enable the moisture-preserving cover (82) to cover the spray seat (80) are respectively arranged between the spring seat (86) and the outer arm (83) as well as between the spring seat (86) and the inner arm (84).

8. A liquid proportioning machine according to any one of claims 2 to 5 wherein: the driving mechanism is a handle (10) arranged on the driving shaft (5), and the handle (10) rotates to enable the driving shaft (5) to rotate.

9. A liquid proportioning machine according to any one of claims 3 to 5 wherein: the liquid proportioning machine is a varnish proportioning machine, the liquid storage mechanism (2) comprises a soft bag (20) and a storage tank (22), and a bag body cover is arranged on the soft bag (20); the lower part of the soft bag (20) and the lower part of the storage tank (22) are respectively connected with liquid inlets of two pump bodies (3), namely a first pump body (31) and a second pump body (32), through pipelines; the ratio of the rotation speed between the rotating shafts (30) of the two pump bodies (3) is kept in a certain proportion.

10. The liquid proportioning machine of claim 9, wherein: the pump also comprises another soft bag, namely a second soft bag (21), the lower part of the second soft bag (21) is connected with another pump body (3) through a pipeline, namely a liquid inlet of a third pump body (33), a rotating shaft (30) of the third pump body (33) is driven to rotate through a second driving shaft (11), and a first transmission mechanism (6) is arranged between the second driving shaft (11) and the rotating shaft (30) of the third pump body (33); one end of the second driving shaft (11) is provided with a handle (10); the handle (10) rotates to drive the second driving shaft (11) to rotate.