CN215429945U

CN215429945U - Driving device for double-liquid dispensing machine

Info

Publication number: CN215429945U
Application number: CN202121068863.4U
Authority: CN
Inventors: 刘冠林
Original assignee: Yuanshuo Robot Weihai Co ltd
Current assignee: Yuanshuo Robot Weihai Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2022-01-07
Anticipated expiration: 2031-05-18

Abstract

The application provides a driving device for a double-liquid dispenser, which solves the technical problem that the existing double-liquid dispenser is low in operation precision; the device comprises a main agent metering pump assembly, a hardening agent metering pump assembly, a ratio adjusting assembly and a driving assembly, wherein the driving assembly comprises a motor, a lead screw, a bearing and a bearing support frame; the middle part of the screw rod is in threaded connection with a main agent driving block, the main agent driving block is connected with a main agent metering pump assembly, the upper end of the main agent driving block is connected with a ratio adjusting assembly, the end part of the ratio adjusting assembly is connected with a hardening agent driving block, and the hardening agent driving block is connected with a hardening agent metering pump assembly; the main agent metering pump assembly, the hardening agent metering pump assembly and the lead screw are arranged in parallel. The application is widely applied to the technical field of double-liquid dispenser.

Description

Driving device for double-liquid dispensing machine

Technical Field

The application relates to a double-liquid dispenser, in particular to a driving device for a double-liquid dispenser.

Background

The double-liquid dispensing machine separately stores the agent A and the agent B, drives and pushes out the agent A and the agent B according to the required proportion by a driving device during dispensing, and controls a double-liquid dispensing valve to discharge glue.

The conventional driving device for the dual-fluid dispensing machine generally comprises an A-dose metering assembly, a B-dose metering assembly and a ratio adjusting assembly. However, the agent A metering component and the agent B metering component are respectively driven by the two driving parts, the synchronous action of the two components cannot be ensured, the running precision is low, a piston rod of the metering component is easy to rub and damage with a pump cavity, and the service life is short.

Disclosure of Invention

In order to solve the above problems, the technical scheme adopted by the application is as follows: the utility model provides a drive arrangement for two liquid glue dispensing machine, includes: the device comprises a main agent metering pump assembly, a hardening agent metering pump assembly, a ratio adjusting assembly and a driving assembly, wherein the driving assembly comprises a motor, a lead screw, a bearing and a bearing support frame; the middle part of the screw rod is in threaded connection with a main agent driving block, the main agent driving block is connected with a main agent metering pump assembly, the upper end of the main agent driving block is connected with a ratio adjusting assembly, the end part of the ratio adjusting assembly is connected with a hardening agent driving block, and the hardening agent driving block is connected with a hardening agent metering pump assembly; the main agent metering pump assembly, the hardening agent metering pump assembly and the lead screw are arranged in parallel.

Preferably, the bottoms of the main agent driving block and the hardening agent driving block are connected with sliding rails.

Preferably, the hardener driving block is further connected with one end of a guide rod through a guide rod seat, and the other end of the guide rod is movably connected with the guide rod bracket.

Preferably, one side of the main agent driving block is provided with a stroke indicating rod, a proximity switch bracket is arranged beside the stroke indicating rod, and a proximity switch is mounted on the proximity switch bracket.

Preferably, the ratio adjusting assembly comprises a main agent driving plate, a hardening agent driving plate and a ratio adjusting slider assembly, wherein the main agent driving plate and the hardening agent driving plate are connected with the ratio adjusting slider assembly; one end of the hardening agent driving plate is connected with the hardening agent driving block, and the other end of the hardening agent driving plate is in sliding connection with the guide rod through the sliding block; one end of the main agent driving plate is rotationally connected with the main agent driving block, and the other end of the main agent driving plate is rotationally connected with a rotating shaft; the main agent drive plate is positioned below the hardening agent drive plate.

Preferably, the main agent metering pump assembly and the hardening agent metering assembly respectively comprise a pump cavity, a piston rod and a sealing assembly, one end of the piston rod is connected with the main agent driving block or the hardening agent driving block, the other end of the piston rod extends into the pump cavity, and the sealing assembly is arranged between the piston rod and the pump cavity.

Preferably, a feeding hole is formed in the wall of the pump cavity, and a discharging hole is formed in one end, far away from the piston rod, of the pump cavity.

Preferably, the sealing assembly comprises a sealing guide seat, a sealing adjusting nut and at least two V-shaped sealing pieces, the sealing guide seat is fixedly connected with the pump cavity, the V-shaped sealing pieces are positioned in the sealing guide seat, and the sealing adjusting nut is connected with the sealing guide seat through threads; the opposite surfaces of two adjacent V-shaped sealing elements are respectively provided with a V-shaped bulge and a V-shaped groove, and the outer end surfaces of the V-shaped sealing elements at the two ends are planes.

The utility model has the advantages that the lead screw is driven by one motor, so that the main agent driving block on the lead screw is driven to move, and the hardening agent driving block is driven by the ratio adjusting component to move, so that the simultaneous action of the main agent driving block and the hardening agent driving block is realized, the simultaneous action of the main agent metering pump component and the hardening agent metering pump component is ensured, the operation precision is improved, the operation error is reduced, the friction damage of a piston rod and a pump cavity is avoided, and the service life is prolonged.

The pump cavity of the main agent metering pump component and the hardening agent metering component is provided with a sealing component, the sealing component comprises a sealing guide seat, a sealing adjusting nut and at least two V-shaped sealing pieces, the sealing guide seat is fixedly connected with the pump cavity, the V-shaped sealing pieces are positioned in the sealing guide seat, and the sealing adjusting nut is connected with the sealing guide seat through threads; the opposite surfaces of two adjacent V-shaped sealing elements are respectively provided with a V-shaped bulge and a V-shaped groove, and the outer end surfaces of the V-shaped sealing elements at the two ends are planes. Through adjusting sealed adjusting nut's the degree of unscrewing, the extrusion of sealed adjusting nut to V type sealing member is adjusted, and the extrusion that V type sealing member received is big more, and V-arrangement recess degree of opening is big more, and each part extrudees each other, and the cross section increases, connects also inseparabler to reach better sealed effect, avoid appearing the condition that glue spilt.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic sectional view A-A of FIG. 3.

The symbols in the drawings illustrate that:

1. a main dose metering pump assembly; 2. a hardener metering pump assembly; 3. a ratio adjustment assembly; 4. a drive assembly; a V-shaped seal; 6. a lead screw; 7. a bearing support frame; 8. a main agent driving block; 9. a hardener driving block; 10. a guide rod seat; 11. a guide bar; 12. a guide bar support; 13. a stroke indicating rod; 14. a proximity switch bracket; 15. a primary agent drive board; 16. a hardener driving board; 17. a slider; 18. a rotating shaft; 19. an adjustment shaft; 20. locking the nut; 21. a pump cavity; 22. a piston rod; 23. a feed inlet; 24. a discharge port; 25. sealing the guide seat; 26. and sealing the adjusting nut.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The driving device for the dual-fluid dispensing machine provided in the embodiment of the present application will now be described.

Please refer to fig. 1, fig. 2 and fig. 3, which are schematic structural diagrams of the driving device for a dual fluid dispenser according to the present invention. The device comprises a main agent metering pump assembly 1, a hardening agent metering pump assembly 2, a ratio adjusting assembly 3 and a driving assembly 4, wherein the driving assembly 4 comprises a motor, a lead screw 6, a bearing and a bearing support frame 7, the motor is arranged in a motor support, the output end of the motor is connected with one end of the lead screw 6, and two ends of the lead screw 6 are respectively connected with the bearing support frame 7 through the bearing; the middle part of the lead screw 6 is in threaded connection with a main agent driving block 8, the main agent driving block 8 is connected with a main agent metering pump assembly 1, the upper end of the main agent driving block 8 is connected with a ratio adjusting assembly 3, the end part of the ratio adjusting assembly 3 is connected with a hardening agent driving block 9, and the hardening agent driving block 9 is connected with a hardening agent metering pump assembly 2; the main agent metering pump component 1, the hardening agent metering pump component 2 and the lead screw 6 are arranged in parallel. The lead screw 6 is driven by a motor, so that the main agent driving block 8 on the lead screw 6 is driven to move, and meanwhile, the hardening agent driving block 9 is driven to move by the ratio adjusting component 3, so that the simultaneous action of the main agent driving block 8 and the hardening agent driving block 9 is realized, the simultaneous action of the main agent metering pump component 1 and the hardening agent metering pump component 2 is ensured, and the running precision is improved.

Furthermore, in the present embodiment, the bottom of the main agent driving block 8 and the bottom of the hardening agent driving block 9 are connected with slide rails (not shown in the figure), so as to ensure the moving track.

Furthermore, in this embodiment, the hardener driving block 9 is further connected with one end of a guide rod 11 through a guide rod seat 10, and the other end of the guide rod 11 is movably connected with a guide rod bracket 12.

Further, in the present embodiment, a stroke indicating rod 13 is provided at one side of the main dose driving block 8, a proximity switch bracket 14 is provided beside the stroke indicating rod 13, and a proximity switch (not shown in the figure) is mounted on the proximity switch bracket 14. The proximity switch senses the stroke indicating rod 13 and uploads the stroke indicating rod to the host computer to monitor the running condition in real time.

Further, in the present embodiment, the ratio adjusting assembly 3 includes a main agent driving plate 15, a hardener driving plate 16, and a ratio adjusting slider assembly, the main agent driving plate 15, the hardener driving plate 16 being connected to the ratio adjusting slider assembly; one end of the hardening agent driving plate 16 is connected with the hardening agent driving block 9, and the other end of the hardening agent driving plate 16 is in sliding connection with a guide rod (parallel to the lead screw 6) through a sliding block 17; one end of the main agent driving plate 15 is rotationally connected with the main agent driving block 8, and the other end of the main agent driving plate 15 is rotationally connected with a rotating shaft 18; the main agent drive plate 15 is located below the hardener drive plate 16.

Further, in the present embodiment, the ratio adjustment slide assembly includes a ratio adjustment slide, an adjustment shaft 19, and a lock nut 20. The main agent driving plate 15 is provided with a ratio adjusting sliding groove along the length direction, the hardening agent driving plate 16 is provided with a ratio adjusting through hole corresponding to the ratio adjusting sliding groove, a ratio adjusting sliding block is arranged in the ratio adjusting sliding groove, the ratio adjusting sliding block is connected with an adjusting shaft 19, and the upper end of the adjusting shaft 19 extends out of the ratio adjusting through hole and is in threaded connection with a locking nut 20. The ratio adjusting assembly 3 is prior art, is not the point of the utility model of the present application, and will not be further described herein.

Fig. 4 is a schematic sectional view of a-a of the driving device for a dual fluid dispenser according to the present invention. Furthermore, in this embodiment, each of the main agent metering pump assembly 1 and the hardener metering assembly includes a pump cavity 21, a piston rod 22 and a sealing assembly, one end of the piston rod 22 is connected to the main agent driving block 8 or the hardener driving block 9, the other end of the piston rod 22 extends into the pump cavity 21, and the sealing assembly is disposed between the piston rod 22 and the pump cavity 21.

Furthermore, in this embodiment, a feeding hole 23 is formed in the wall of the pump cavity 21, and a discharging hole 24 is formed at an end of the pump cavity 21 away from the piston rod 22. The main agent and the hardening agent are input from the feed inlet 23 and output to the glue dispensing valve from the discharge outlet 24.

Furthermore, in the present embodiment, the seal assembly includes a seal guide seat 25, a seal adjusting nut 26 and at least two V-shaped sealing members 5, the seal guide seat 25 is fixedly connected with the pump cavity 21, the V-shaped sealing members 5 are located in the seal guide seat 25, and the seal adjusting nut 26 is connected with the seal guide seat 25 through threads; the opposite surfaces of two adjacent V-shaped sealing elements 5 are respectively provided with a V-shaped bulge and a V-shaped groove, and the outer end surfaces of the V-shaped sealing elements 5 at the two ends are planes. Through adjusting sealed adjusting nut 26's the degree of unscrewing, adjustment sealed adjusting nut 26 is to the extrusion force of V type sealing member 5, and the extrusion that V type sealing member 5 received is big more, and V-arrangement recess opening degree is big more, and each part extrudees each other, and the cross section increases, connects also inseparabler to reach better sealed effect, avoid appearing the condition that glue spilt.

According to the utility model, the screw 6 is driven by one motor, so that the main agent driving block 8 on the screw 6 is driven to move, and the hardening agent driving block 9 is driven to move by the ratio adjusting component 3, so that the main agent driving block 8 and the hardening agent driving block 9 can simultaneously act, and therefore, the main agent metering pump component 1 and the hardening agent metering pump component 2 can simultaneously act, the operation precision is improved, the operation error is reduced, the friction damage of the piston rod 22 and the pump cavity 21 is avoided, and the service life is prolonged.

The main agent metering pump assembly 1 and the pump cavity 21 of the hardening agent metering assembly are provided with sealing assemblies, each sealing assembly comprises a sealing guide seat 25, a sealing adjusting nut 26 and at least two V-shaped sealing pieces 5, the sealing guide seats 25 are fixedly connected with the pump cavity 21, the V-shaped sealing pieces 5 are positioned in the sealing guide seats 25, and the sealing adjusting nuts 26 are connected with the sealing guide seats 25 through threads; the opposite surfaces of two adjacent V-shaped sealing elements 5 are respectively provided with a V-shaped bulge and a V-shaped groove, and the outer end surfaces of the V-shaped sealing elements 5 at the two ends are planes. Through adjusting sealed adjusting nut 26's the degree of unscrewing, adjustment sealed adjusting nut 26 is to the extrusion force of V type sealing member 5, and the extrusion that V type sealing member 5 received is big more, and V-arrangement recess opening degree is big more, and each part extrudees each other, and the cross section increases, connects also inseparabler to reach better sealed effect, avoid appearing the condition that glue spilt.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims

1. The utility model provides a drive arrangement for double-liquid dispensing machine, includes that main agent measures pump package spare, hardener and measures pump package spare, ratio adjustment subassembly and drive assembly, its characterized in that: the driving assembly comprises a motor, a lead screw, a bearing and a bearing support frame, the output end of the motor is connected with one end of the lead screw, and two ends of the lead screw are respectively connected with the bearing support frame through the bearing; the middle part of the lead screw is in threaded connection with a main agent driving block, the main agent driving block is connected with the main agent metering pump assembly, the upper end of the main agent driving block is connected with a ratio adjusting assembly, the end part of the ratio adjusting assembly is connected with a hardening agent driving block, and the hardening agent driving block is connected with the hardening agent metering pump assembly; the main agent metering pump assembly, the hardening agent metering pump assembly and the lead screw are arranged in parallel.

2. The driving device for the dual fluid dispensing machine according to claim 1, wherein: the bottom of the main agent driving block and the bottom of the hardening agent driving block are both connected with sliding rails.

3. The driving device for the dual fluid dispensing machine according to claim 1 or 2, wherein: the hardening agent driving block is also connected with one end of a guide rod through a guide rod seat, and the other end of the guide rod is movably connected with the guide rod bracket.

4. The driving device for the dual fluid dispensing machine according to claim 1, wherein: one side of the main agent driving block is provided with a stroke indicating rod, one side of the stroke indicating rod is provided with a proximity switch bracket, and the proximity switch bracket is provided with a proximity switch.

5. The driving device for the dual fluid dispensing machine according to claim 1, wherein: the ratio adjusting assembly comprises a main agent driving plate, a hardening agent driving plate and a ratio adjusting slider assembly, and the main agent driving plate and the hardening agent driving plate are connected with the ratio adjusting slider assembly; one end of the hardening agent driving plate is connected with the hardening agent driving block, and the other end of the hardening agent driving plate is in sliding connection with the guide rod through the sliding block; one end of the main agent driving plate is rotatably connected with the main agent driving block, and the other end of the main agent driving plate is rotatably connected with a rotating shaft; the main agent driving plate is positioned below the hardening agent driving plate.

6. The driving device for the dual fluid dispensing machine according to claim 1, wherein: the main agent metering pump assembly the hardener metering assembly all includes pump cavity, piston rod and seal assembly, the one end of piston rod with main agent drive block or hardener drive block are connected, the other end of piston rod stretches into extremely in the pump cavity, just the piston rod with be equipped with between the pump cavity seal assembly.

7. The driving device for the dual fluid dispensing machine according to claim 6, wherein: the pump cavity is characterized in that a feeding hole is formed in the wall of the pump cavity, and a discharging hole is formed in one end, far away from the piston rod, of the pump cavity.

8. The driving device for the dual fluid dispensing machine according to claim 6, wherein: the sealing assembly comprises a sealing guide seat, a sealing adjusting nut and at least two V-shaped sealing pieces, the sealing guide seat is fixedly connected with the pump cavity, the V-shaped sealing pieces are positioned in the sealing guide seat, and the sealing adjusting nut is connected with the sealing guide seat through threads; the opposite surfaces of two adjacent V-shaped sealing elements are respectively provided with a V-shaped bulge and a V-shaped groove, and the outer end surfaces of the V-shaped sealing elements at the two ends are planes.