Metering transmission equipment

Abstract

Metering transmission equipment comprises a driving and transmission structure, a rotary driving and steering adjusting module, a plunger pump core assembly, a linear guiding device and a precise linear transmission system, and the lower end of the driving and transmission structure is connected with the upper end of the rotary driving and steering adjusting module; the lower end of the rotary driving and steering adjusting module is connected with the upper end of the plunger pump core assembly, the lower end of the plunger pump core assembly is connected with the upper end of the linear guiding device, and the lower end of the linear guiding device is connected with the upper end of the precise linear transmission system. The linear guide device comprises a guide shaft, a linear bearing fixing seat and a fourth fixing plate. Compared with the traditional three-motor driving technology, the single-motor mode is adopted for driving the plunger pump and driving discharging, so that the cost is saved, and the space occupancy is reduced.

Description

Technical Field

[0001] This utility model relates to the field of fluid control and precision mechanical engineering, and specifically to a metering transmission device. Background Technology

[0002] Currently, existing metering transmission equipment typically features a three-pronged plunger pump design. Each plunger pump is driven by a separate motor, which controls its own discharge valve. While this design seems reasonable, the actual driving force of the motors is completely wasted. This design not only wastes resources but also increases the space occupied by the entire metering transmission equipment.

[0003] To address the aforementioned issues, we have made a series of improvements. Utility Model Content

[0004] The purpose of this utility model is to provide a metering transmission device to overcome the above-mentioned shortcomings and deficiencies of the prior art.

[0005] A metering transmission device includes: a drive and transmission structure, a rotary drive and steering adjustment module, a plunger pump core component, a linear guide device, and a precision linear transmission system. The lower end of the drive and transmission structure is connected to the upper end of the rotary drive and steering adjustment module, the lower end of the rotary drive and steering adjustment module is connected to the upper end of the plunger pump core component, the lower end of the plunger pump core component is connected to the upper end of the linear guide device, and the lower end of the linear guide device is connected to the upper end of the precision linear transmission system.

[0006] The linear guide device has a symmetrical structure and includes a guide shaft, a linear bearing mounting base, and a fourth fixing plate. The guide shaft is fixed below the third fixing plate and connected to the linear bearing mounting base, which is fixed above the fourth fixing plate.

[0007] Furthermore, the drive and transmission structure includes: a first servo motor, a reducer, a drive gear, and a first fixed plate. One end of the reducer is connected to the first servo motor, and the other end of the reducer is connected to the drive gear. The drive gear is fixed above the first fixed plate.

[0008] Furthermore, the rotary drive and steering adjustment module includes: a universal coupling, a piston pump rotating shaft, and a second fixed plate. The universal coupling is fixed below the first fixed plate and connected to the piston pump rotating shaft. The piston pump rotating shaft is fixed above the second fixed plate.

[0009] Furthermore, the core components of the plunger pump consist of three sets, including: a plunger pump cylinder body, a plunger pump piston rod, a floating joint, and a third fixed plate. The plunger pump cylinder body is fixed below the second fixed plate, the upper end of the plunger pump piston rod is connected to the plunger pump cylinder body, the lower end of the plunger pump piston rod is connected to the floating joint, and the floating joint is fixed above the third fixed plate.

[0010] Furthermore, the precision linear transmission system includes: a lead screw nut, a ball screw, a lead screw mounting base, a coupling, a servo motor mounting plate, and a second servo motor. The lead screw nut is fixed below the fourth mounting plate. One end of the ball screw is connected to the lead screw nut, and the other end of the ball screw is connected to the upper end of the lead screw mounting base. The lower end of the lead screw mounting base is connected to the coupling. The coupling is fixed above the servo motor mounting plate, and the second servo motor is fixed below the servo motor mounting plate.

[0011] The beneficial effects of this utility model are:

[0012] Compared with the traditional three-motor drive technology, this utility model adopts a single-motor mode for driving the plunger pump and driving the discharge, which saves costs and reduces space occupancy. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0014] Figure 2 This is a schematic diagram of the structure of each part of this utility model.

[0015] Figure 3 This is a side view of the present invention.

[0016] Figure label:

[0017] Drive and transmission structure 100, rotary drive and steering adjustment module 200, piston pump core component 300, linear guide device 400, precision linear transmission system 500.

[0018] First servo motor 110, reducer 120, drive gear 130, first fixed plate 140.

[0019] Universal coupling 210, piston pump rotating shaft 220, second fixed plate 230.

[0020] Piston pump cylinder body 310, piston rod of piston pump 320, floating joint 330, third fixed plate 340.

[0021] Guide shaft 410, linear bearing mounting base 420, fourth fixing plate 430.

[0022] 510 lead screw nut, 520 ball screw, 530 lead screw fixing seat, 540 coupling, 550 servo motor fixing plate, 560 second servo motor. Detailed Implementation

[0023] The present invention will be further described below with reference to specific embodiments. It should be understood that the following embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention.

[0024] Example 1

[0025] Figure 1 This is a schematic diagram of the overall structure of this utility model. Figure 2 This is a schematic diagram of the structure of each part of this utility model. Figure 3 This is a side view of the present invention.

[0026] like Figure 1-3 As shown, a metering transmission device includes: a drive and transmission structure 100, a rotary drive and steering adjustment module 200, a plunger pump core component 300, a linear guide device 400, and a precision linear transmission system 500. The lower end of the drive and transmission structure 100 is connected to the upper end of the rotary drive and steering adjustment module 200, the lower end of the rotary drive and steering adjustment module 200 is connected to the upper end of the plunger pump core component 300, the lower end of the plunger pump core component 300 is connected to the upper end of the linear guide device 400, and the lower end of the linear guide device 400 is connected to the upper end of the precision linear transmission system 500.

[0027] The linear guide device 400 has a symmetrical structure and includes a guide shaft 410, a linear bearing mounting base 420, and a fourth fixing plate 430. The guide shaft 410 is fixed below the third fixing plate 340 and is connected to the linear bearing mounting base 420. The linear bearing mounting base 420 is fixed above the fourth fixing plate 430.

[0028] The drive and transmission structure 100 includes: a first servo motor 110, a reducer 120, a drive gear 130, and a first fixed plate 140. One end of the reducer 120 is connected to the first servo motor 110, and the other end of the reducer 120 is connected to the drive gear 130. The drive gear 130 is fixed above the first fixed plate 140.

[0029] The rotary drive and steering adjustment module 200 includes: a universal coupling 210, a piston pump rotary shaft 220, and a second fixed plate 230. The universal coupling 210 is fixed below the first fixed plate 140 and is connected to the piston pump rotary shaft 220. The piston pump rotary shaft 220 is fixed above the second fixed plate 230.

[0030] The core component 300 of the plunger pump consists of three parts, including: a plunger pump cylinder body 310, a plunger pump piston rod 320, a floating joint 330, and a third fixed plate 340. The plunger pump cylinder body 310 is fixed below the second fixed plate 230. The upper end of the plunger pump piston rod 320 is connected to the plunger pump cylinder body 310, and the lower end of the plunger pump piston rod 320 is connected to the floating joint 330. The floating joint 330 is fixed above the third fixed plate 340.

[0031] The precision linear transmission system 500 includes: a lead screw nut 510, a ball screw 520, a lead screw mounting base 530, a coupling 540, a servo motor mounting plate 550, and a second servo motor 560. The lead screw nut 510 is fixed below the fourth mounting plate 430. One end of the ball screw 520 is connected to the lead screw nut 510, and the other end of the ball screw 520 is connected to the upper end of the lead screw mounting base 530. The lower end of the lead screw mounting base 530 is connected to the coupling 540. The coupling 540 is fixed above the servo motor mounting plate 550, and the second servo motor 560 is fixed below the servo motor mounting plate 550.

[0032] In traditional structures, the precision linear transmission system 500 and the drive and transmission structure 100 each consist of three sets, corresponding to the three core plunger pump components 300. These components drive the pumps and control their output. The improvement of this invention is that both the precision linear transmission system 500 and the drive and transmission structure 100 are replaced with a single servo motor. A single servo motor naturally has lower costs and occupies significantly less space compared to three servo motors, offering clear advantages. The challenge of this invention lies in achieving this structure.

[0033] The principle of this invention is as follows: Firstly, in terms of structural design, the precision linear transmission system 500 drives the device via a second servo motor 560, and its driving force is transmitted through a linear guide device 400. The linear guide device 400 connects to a ball screw 520 via two sets of guide shafts, in conjunction with a lead screw nut 510. Utilizing the linear motion of the ball screw, the driving force of the second servo motor 560 is transmitted to the guide shaft 410 via the lead screw nut, thus achieving synchronous and symmetrical motion. The guide shaft 410 then provides a stable motion path through linear bearings, ensuring smooth and precise motion, further effectively distributing and transmitting power, and reducing the impact of off-center loading and asymmetrical motion on the system. The guide shaft 410 is then connected to a third fixed plate 340. Subsequently, the third fixed plate 340 transmits the linear motion to the three piston rods 320 of the plunger pump. This design allows the third fixed plate 340 to simultaneously drive the three piston rods, achieving synchronous motion. Subsequently, the piston rod 320 of the plunger pump moves up and down under the drive of the third fixed plate 340 to complete the pumping task, thereby realizing the synchronous and stable drive of the second servo motor 560 to the three sets of plunger pump core components 300.

[0034] On the other hand, the first servo motor 110, in conjunction with the reducer 120, drives the drive gear 130. The drive gears 130 mesh with each other to achieve synchronous movement. The drive gears 130 are then connected to the universal coupling 210, which in turn drives the piston pump rotating shaft 220 to open the piston pump cylinder 310. This achieves the opening and closing of the piston pump cylinder 310 driven by a single first servo motor 110.

[0035] In summary, this invention achieves both single-motor drive of the plunger pump piston movement and single-motor drive of the plunger pump opening and closing. Compared to the traditional two groups of three motors, totaling six motors, this invention achieves overall operation with only two motors, saving significant costs and space.

[0036] The specific embodiments of this utility model have been described above, but this utility model is not limited thereto. Various changes can be made to this utility model as long as they do not depart from its spirit.

Claims

1. A metering transmission device, characterized in that, include: The drive and transmission structure (100), the rotary drive and steering adjustment module (200), the piston pump core component (300), the linear guide device (400), and the precision linear transmission system (500) are provided. The lower end of the drive and transmission structure (100) is connected to the upper end of the rotary drive and steering adjustment module (200). The lower end of the rotary drive and steering adjustment module (200) is connected to the upper end of the piston pump core component (300). The lower end of the piston pump core component (300) is connected to the upper end of the linear guide device (400). The lower end of the linear guide device (400) is connected to the upper end of the precision linear transmission system (500). The linear guide device (400) has a symmetrical structure and includes a guide shaft (410), a linear bearing mounting base (420), and a fourth fixing plate (430). The guide shaft (410) is fixed below the third fixing plate (340), and the guide shaft (410) is connected to the linear bearing mounting base (420). The linear bearing mounting base (420) is fixed above the fourth fixing plate (430).

2. The metering transmission device according to claim 1, characterized in that, The drive and transmission structure (100) includes: a first servo motor (110), a reducer (120), a drive gear (130), and a first fixed plate (140). One end of the reducer (120) is connected to the first servo motor (110), and the other end of the reducer (120) is connected to the drive gear (130). The drive gear (130) is fixed above the first fixed plate (140).

3. A metering transmission device according to claim 2, characterized in that, The rotary drive and steering adjustment module (200) includes: a universal coupling (210), a piston pump rotating shaft (220), and a second fixed plate (230). The universal coupling (210) is fixed below the first fixed plate (140), and the universal coupling (210) is connected to the piston pump rotating shaft (220). The piston pump rotating shaft (220) is fixed above the second fixed plate (230).

4. A metering transmission device according to claim 3, characterized in that, The plunger pump core assembly (300) consists of three parts, including: a plunger pump cylinder body (310), a plunger pump piston rod (320), a floating joint (330), and a third fixed plate (340). The plunger pump cylinder body (310) is fixed below the second fixed plate (230). The upper end of the plunger pump piston rod (320) is connected to the plunger pump cylinder body (310), and the lower end of the plunger pump piston rod (320) is connected to the floating joint (330). The floating joint (330) is fixed above the third fixed plate (340).

5. A metering transmission device according to claim 1, characterized in that, The precision linear transmission system (500) includes: a lead screw nut (510), a ball screw (520), a lead screw fixing seat (530), a coupling (540), a servo motor fixing plate (550), and a second servo motor (560). The lead screw nut (510) is fixed below the fourth fixing plate (430). One end of the ball screw (520) is connected to the lead screw nut (510), and the other end of the ball screw (520) is connected to the upper end of the lead screw fixing seat (530). The lower end of the lead screw fixing seat (530) is connected to the coupling (540). The coupling (540) is fixed above the servo motor fixing plate (550), and the second servo motor (560) is fixed below the servo motor fixing plate (550).

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