Rotary variable pump

Abstract

The utility model discloses a rotary variable pump which comprises a fixing support, an adjusting assembly and a liquid injection assembly, the adjusting assembly and the liquid injection assembly are both arranged on the fixing support, the adjusting assembly comprises an adjusting driving piece, an adjusting transmission module and a swing transmission module, and the liquid injection assembly comprises a liquid injection driving piece and a liquid injection module. The swinging transmission module is arranged on the fixing support in a swinging mode, one end of the swinging transmission module is in transmission connection with the liquid injection module, one end of the adjusting transmission module is in transmission connection with the adjusting driving piece, and the other end of the adjusting transmission module is in transmission connection with the swinging transmission module; wherein the adjusting driving part drives the swing transmission module to swing on the fixing support through the adjusting transmission module, so that the angle between the liquid injection driving part and the liquid injection module is adjusted, and the liquid injection amount can be adjusted and controlled by adjusting the relative position of the adjusting transmission module and the swing transmission module through the driving part, so that the angle of the liquid injection module is adjusted and controlled.

Description

Technical Field

[0001] The utility model relates to the technical field of variable pumps, in particular to a rotary variable pump. Background Art

[0002] At present, variable displacement pump is a kind of injection pump, which is mainly used in industries related to liquid filling. With the continuous development of industrial level, the use of injection pumps is increasing and the requirements are getting higher. However, the existing injection pumps mostly use manual adjustment to adjust the injection volume. This injection method not only has high requirements on operators, but also has low injection accuracy, low stability and reliability, and is prone to cause a lot of raw materials loss in injection volume. In addition, the labor intensity is high, the work efficiency is low, and the applicability and practicality are poor.

[0003] In the existing related technologies, the processing method of manually adjusting the injection amount not only has high requirements on the operator, but also has low injection accuracy, low stability and reliability, and easily causes a large amount of raw materials to be lost in the injection amount. In addition, the manual labor intensity is high, the work efficiency is low, and the applicability is poor. No effective solution has been proposed yet. Utility Model Content

[0004] In view of this, it is necessary to provide a rotary variable pump to at least solve the problems in the related technology that the manual adjustment of the injection volume processing method not only has high requirements on the operator, but also has low injection accuracy, low stability and reliability, and easily causes a large amount of raw materials to be lost in the injection volume, and also has high labor intensity, low work efficiency and poor applicability.

[0005] A technical solution adopted by the utility model is as follows: a rotary variable pump, comprising a fixed bracket, an adjusting component and an injection component, the adjusting component and the injection component are both arranged on the fixed bracket, the adjusting component comprises an adjusting driving member, an adjusting transmission module and a swinging transmission module, the injection component comprises an injection driving member and an injection module, the swinging transmission module is swingably arranged on the fixed bracket, one end of the swinging transmission module is transmission-connected to the injection module, one end of the adjusting transmission module is transmission-connected to the adjusting driving member, and the other end of the adjusting transmission module is transmission-connected to the swinging transmission module; wherein, the adjusting driving member drives the swinging transmission module to swing on the fixed bracket through the adjusting transmission module, thereby adjusting the angle between the injection driving member and the injection module.

[0006] In some embodiments, the fixed bracket includes a base plate, a vertical plate and two support plates. The vertical plate and the support plate are vertically arranged on the base plate. The two support plates are respectively located on both sides of the vertical plate. The adjustment drive component and the injection drive component are both fixed on the vertical plate.

[0007] In some embodiments, the adjusting transmission module includes a slide rail, a slider, a push plate, a linear bearing, a guide shaft and a joint bearing, the slide rail is fixed to the upper surfaces of the two support plates, one end of the slider can be slidably arranged on the slide rail, the other end of the slider is fixed to the push plate, the adjusting drive is transmission-connected to one side of the push plate, the linear bearing is fixed on the push plate, the guide shaft can be slidably arranged at the linear bearing, one end of the joint bearing is transmission-connected to the lower end of the guide shaft, and the other end of the joint bearing is transmission-connected to the swing transmission module; wherein, the adjusting drive drives the push plate and the slider to slide left and right on the slide rail, thereby driving the guide shaft and the joint bearing to move up and down at the linear bearing, thereby driving the swing transmission module to swing.

[0008] In some embodiments, the swing transmission module includes a rotating shaft, a swing plate and a piston sleeve mounting plate, the swing plate can swing on the support plate through the rotating shaft, one side of the piston sleeve mounting plate is fixed to one side of the swing plate, the upper end of the piston sleeve mounting plate is transmission connected to the joint bearing, and the injection module is fixed to the other side of the piston sleeve mounting plate; wherein the joint bearing drives the piston sleeve mounting plate and the injection module to swing around the rotating shaft through the swing plate.

[0009] In some embodiments, the injection module includes a piston sleeve and a piston rod, one side of the piston sleeve is installed on the piston sleeve mounting plate, a piston cavity is provided in the piston sleeve, one end of the piston rod is telescopically movably provided in the piston cavity, and the other end of the piston rod is transmission-connected to the piston connecting sleeve.

[0010] In some embodiments, a liquid inlet and a liquid outlet are provided on the other side of the piston sleeve, and both the liquid inlet and the liquid outlet are communicated with the piston cavity. A liquid inlet nozzle is provided at the liquid inlet, and a liquid outlet nozzle is provided at the liquid outlet; wherein, the liquid inlet nozzle or the liquid outlet nozzle is controlled by the extension and contraction amount of the piston rod entering the piston cavity.

[0011] In some embodiments, the liquid injection drive member is a drive motor.

[0012] In some embodiments, the adjusting drive member is a driving motor.

[0013] In some of the embodiments, a non-slip foot post is provided at the lower end of the base plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the embodiment of the present application provides a rotary variable pump, which integrates an adjusting component and an injection component. The adjusting driving component of the adjusting component drives the push plate to move, thereby driving the guide shaft to move. The guide shaft then drives the swing plate and the piston sleeve mounting plate to swing around the rotating axis through the joint bearing. The injection driving component, the piston connecting sleeve and the piston rod form an automatically variable angle. The injection driving component drives the piston connecting sleeve and the piston rod to rotate together to perform a rotary piston movement to achieve injection. The injection volume can be automatically adjusted by the adjusting driving component. The injection volume is convenient to adjust, the injection accuracy is improved, the work efficiency is improved, the labor intensity is reduced, the difficulty of manual operation is reduced, the injection volume adjustment cost is reduced, the injection loss is reduced, the production and processing cost is reduced, the degree of automation is high, the processing needs of the liquid filling industry are met, the use range is wide, and the practicality is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of an embodiment of the present application;

[0016] Figure 2 This is a perspective structural diagram of one of the embodiments of the present application;

[0017] Figure 3 is another perspective structural schematic diagram of an embodiment of the present application;

[0018] Figure 4 It is a partial structural schematic diagram of an embodiment of the present application;

[0019] Figure 5 It is a cross-sectional view of an embodiment of the present application. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] It should be noted that when a component is referred to as being "mounted on" another component, it may be directly mounted on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time. When a component is considered to be "fixed to" another component, it may be directly fixed on the other component or there may be a central component at the same time.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "or / and" used herein includes any and all combinations of one or more related listed items.

[0023] See also Figure 1-5 The embodiment of the present application provides a rotary variable pump, including a fixed bracket 100, an adjusting component 200 and an injection component 300, wherein the adjusting component 200 and the injection component 300 are both arranged on the fixed bracket 100, the adjusting component 200 includes an adjusting driving member 21, an adjusting transmission module 22 and a swinging transmission module 23, the injection component 300 includes an injection driving member 31 and an injection module 32, the swinging transmission module 23 is swingably arranged on the fixed bracket 100, one end of the swinging transmission module 23 is transmission-connected to the injection module 32, one end of the adjusting transmission module 22 is transmission-connected to the adjusting driving member 21, and the other end of the adjusting transmission module 22 is transmission-connected to the swinging transmission module 23; wherein the adjusting driving member 21 drives the swinging transmission module 23 to swing on the fixed bracket 100 through the adjusting transmission module 22, thereby adjusting the angle between the injection driving member 31 and the injection module 32.

[0024] It should be noted that the adjusting component 200 and the injection component 300 are integrated into one. The adjusting driving member 21 of the adjusting component 200 drives the push plate 223 of the adjusting transmission module 22 to move, thereby driving the guide shaft 225 to move. The guide shaft 225 then drives the swing plate 232 and the piston sleeve mounting plate 233 of the swing transmission module 23 to swing around the rotating shaft 231 through the joint bearing 226. The injection driving member 31, the piston connecting sleeve 326 of the injection module 32 and the piston rod 322 of the injection module 32 form an automatically variable angle. The injection driving member 31 drives the piston connecting sleeve 326 to rotate together with the piston rod 322 to perform a rotary piston movement to achieve injection. The injection amount can be automatically adjusted by the adjusting driving member 21, the injection amount is convenient to adjust, the injection accuracy is improved, the work efficiency is improved, the labor intensity is reduced, the difficulty of manual operation is reduced, the injection amount adjustment cost is reduced, the injection loss is reduced, the production and processing cost is reduced, the degree of automation is high, the processing needs of the liquid filling industry are met, and the use range is wide.

[0025] In some optional embodiments, the fixed bracket 100 includes a base plate 11, a vertical plate 12 and two support plates 13. The vertical plate 12 and the support plates 13 are both vertically arranged on the base plate 11. The two support plates 13 are respectively located on both sides of the vertical plate 12. The adjustment drive component 21 and the injection drive component 31 are both fixed on the vertical plate 12.

[0026] In some optional embodiments, the adjusting transmission module 22 includes a slide rail 221, a slider 222, a push plate 223, a linear bearing 224, a guide shaft 225 and a joint bearing 226, the slide rail 221 is fixed to the upper surfaces of the two support plates 13, one end of the slider 222 can be slidably arranged on the slide rail 221, and the other end of the slider 222 is fixed to the push plate 223, the adjusting drive member 21 is transmission-connected with one side of the push plate 223, the linear bearing 224 is fixed on the push plate 223, the guide shaft 225 can be slidably arranged at the linear bearing 224, one end of the joint bearing 226 is transmission-connected with the lower end of the guide shaft 225, and the other end of the joint bearing 226 is transmission-connected with the swing transmission module 32; wherein, the adjusting drive member 21 drives the push plate 223 and the slider 222 to slide left and right on the slide rail 221, thereby driving the guide shaft 225 and the joint bearing 226 to move up and down at the linear bearing 224, thereby driving the swing transmission module 32 to swing.

[0027] In some optional embodiments, the swing transmission module 23 includes a rotating shaft 231, a swing plate 232 and a piston sleeve mounting plate 233, the swing plate 232 can swing on the support plate 13 through the rotating shaft 231, one side of the piston sleeve mounting plate 233 is fixed to one side of the swing plate 232, the upper end of the piston sleeve mounting plate 233 is transmission connected to the joint bearing 226, and the injection module 32 is fixed to the other side of the piston sleeve mounting plate 233; wherein the joint bearing 226 drives the piston sleeve mounting plate 233 and the injection module 32 to swing around the rotating shaft 231 through the swing plate 232.

[0028] In some optional embodiments, the injection module 32 includes a piston sleeve 321 and a piston rod 322. One side of the piston sleeve 321 is installed on the piston sleeve mounting plate 233. A piston chamber 323 is provided in the piston sleeve 321. One end of the piston rod 322 is telescopically movably provided in the piston chamber 323. The other end of the piston rod 322 is transmission-connected to the piston connecting sleeve 326.

[0029] In some optional embodiments, a liquid inlet and a liquid outlet are provided on the other side of the piston sleeve 321, and both the liquid inlet and the liquid outlet are connected to the piston cavity 323. A liquid inlet nozzle 324 is provided at the liquid inlet, and a liquid outlet nozzle 325 is provided at the liquid outlet; wherein, the liquid inlet nozzle 324 or the liquid outlet nozzle 325 is controlled by the extension and contraction amount of the piston rod 322 entering the piston cavity 323.

[0030] It should be noted that when the set injection volume is 0, the axis of the piston rod 322 is parallel to the axis of the injection driving member 31, and the injection driving member 31 drives the piston rod 322 to rotate in the piston chamber 323 in the piston sleeve 321 through the piston connecting sleeve 326. Since the internal volume of the piston chamber 323 has not changed, the liquid inlet (liquid inlet nozzle 324) does not take in liquid, and the liquid outlet (liquid nozzle 325) does not discharge liquid; when the set injection volume is not 0, the external program automatically calculates and controls the adjustment driving member 21 to move forward a certain distance, and the push plate 233 connected to the adjustment driving member 21 moves the same distance, thereby driving the guide shaft 225 to move on the linear bearing 224, and the guide shaft 225 then drives the swing plate 232 and The piston sleeve mounting plate 233 swings at a certain angle with the rotating shaft 231 as the center point. Since the axis of the piston rod 322 is at a certain angle to the axis of the injection drive component 31, the injection drive component 31 drives the piston rod 322 to rotate in the piston chamber 323 of the piston sleeve 321 through the piston connecting sleeve 326 while realizing telescopic movement. The telescopic movement causes the internal volume of the piston chamber 323 to change. When the piston rod 322 moves to the left, the internal volume of the piston chamber 323 increases, and liquid flows into the internal volume from the liquid inlet (liquid inlet nozzle 324) to realize liquid intake. When the piston rod 322 moves to the right, the internal volume of the piston chamber 323 decreases, and liquid is discharged from the internal volume of the piston chamber 323 from the liquid outlet (liquid nozzle 325) to realize liquid discharge.

[0031] In some optional embodiments, the liquid injection drive member 31 is a drive motor.

[0032] In some optional embodiments, the adjustment drive member 21 is a drive motor.

[0033] In some optional embodiments, an anti-skid foot post 14 is provided at the lower end of the base plate 11 .

[0034] It should be noted that the use of anti-skid foot posts 14 can increase the friction between the present application and the external workbench, making the present application work more stable.

[0035] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present invention and are not intended to limit the present invention. As long as they are within the spirit of the present invention, appropriate changes and modifications to the above embodiments are within the scope of protection required by the present invention.

Claims

1. A rotary variable displacement pump, characterized in that: The invention comprises a fixed support (100), an adjustment component (200) and a liquid injection component (300), wherein the adjustment component (200) and the liquid injection component (300) are both arranged on the fixed support (100), the adjustment component (200) comprises an adjustment driving member (21), an adjustment transmission module (22) and a swing transmission module (23), the liquid injection component (300) comprises a liquid injection driving member (31) and a liquid injection module (32), the swing transmission module (23) is swingably arranged on the fixed support (100), one end of the swing transmission module (23) is transmission-connected to the liquid injection module (32), and one end of the adjustment transmission module (22) is connected to the adjustment driving member (31). The adjusting drive member (21) is transmission-connected to the adjusting drive module (21), and the other end of the adjusting drive module (22) is transmission-connected to the swinging drive module (23); wherein the adjusting drive member (21) drives the swinging drive module (23) to swing on the fixed bracket (100) through the adjusting drive module (22), thereby adjusting the angle between the injection drive member (31) and the injection module (32); wherein the fixed bracket (100) comprises a bottom plate (11), a vertical plate (12) and two support plates (13); the vertical plate (12) and the support plate (13) are both vertically arranged on the bottom plate (11); and the two support plates (13) are respectively located on the vertical plate (11) and the support plates (13). 2), the adjusting drive member (21) and the injection drive member (31) are both fixed on the vertical plate (12); wherein the adjusting transmission module (22) comprises a slide rail (221), a slider (222), a push plate (223), a linear bearing (224), a guide shaft (225) and a joint bearing (226); the slide rail (221) is fixed on the upper surfaces of the two support plates (13); one end of the slider (222) is slidably disposed on the slide rail (221); the other end of the slider (222) is fixed to the push plate (223); the adjusting drive member (21) is transmission-connected to one side of the push plate (223); the linear shaft (224) is The linear bearing (224) is fixed on the push plate (223), the guide shaft (225) is slidably arranged at the linear bearing (224), one end of the joint bearing (226) is transmission-connected to the lower end of the guide shaft (225), and the other end of the joint bearing (226) is transmission-connected to the swing transmission module (23); wherein the adjustment drive member (21) drives the push plate (223) and the slider (222) to slide left and right on the slide rail (221), thereby driving the guide shaft (225) and the joint bearing (226) to move up and down at the linear bearing (224), thereby driving the swing transmission module (23) to swing.

2. The rotary variable displacement pump according to claim 1, characterized in that: The swing transmission module (23) comprises a rotating shaft (231), a swing plate (232) and a piston sleeve mounting plate (233); the swing plate (232) can swing on the support plate (13) via the rotating shaft (231); one side of the piston sleeve mounting plate (233) is fixed to one side of the swing plate (232); the upper end of the piston sleeve mounting plate (233) is transmission-connected to the joint bearing (226); and the injection module (32) is fixed to the other side of the piston sleeve mounting plate (233); wherein the joint bearing (226) drives the piston sleeve mounting plate (233) and the injection module (32) to swing around the rotating shaft (231) via the swing plate (232).

3. The rotary variable displacement pump according to claim 2, characterized in that: The injection module (32) comprises a piston sleeve (321) and a piston rod (322); one side of the piston sleeve (321) is mounted on the piston sleeve mounting plate (233); a piston cavity (323) is provided in the piston sleeve (321); one end of the piston rod (322) is telescopically movably disposed in the piston cavity (323); and the other end of the piston rod (322) is drivingly connected to a piston connecting sleeve (326).

4. The rotary variable displacement pump according to claim 3, characterized in that: A liquid inlet and a liquid outlet are provided on the other side of the piston sleeve (321), and both the liquid inlet and the liquid outlet are in communication with the piston cavity (323). A liquid inlet nozzle (324) is provided at the liquid inlet, and a liquid outlet nozzle (325) is provided at the liquid outlet. The liquid inlet of the liquid inlet nozzle (324) or the liquid outlet of the liquid outlet nozzle (325) is controlled by the extension and contraction amount of the piston rod (322) entering the piston cavity (323).

5. The rotary variable displacement pump according to claim 1, characterized in that: The liquid injection driving component (31) is a driving motor.

6. The rotary variable displacement pump according to claim 1, characterized in that: The adjusting drive member (21) is a drive motor.

7. The rotary variable displacement pump according to claim 1, characterized in that: An anti-skid foot post (14) is provided at the lower end of the bottom plate (11).

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