High-precision metering pump for chemical machinery

Abstract

The utility model discloses a chemical machinery high-precision metering pump which comprises a pump body, a mounting plate is arranged at the bottom of the pump body, a motor is arranged at the top of the pump body, a workbench is arranged at the bottom of the mounting plate, a mounting assembly is arranged between the mounting plate and the workbench, and the mounting plate and the workbench form detachable design through the mounting assembly. The mounting plate drives the assembling block to slide in the assembling groove until the mounting plate drives the inserting block to slide to be aligned with the inserting groove, then the sliding plate is pushed to slide in the fixing frame in a reset mode through the restoring force of the spring, the sliding plate synchronously drives the inserting block to slide into the inserting groove and abut against the inserting groove, and therefore the purpose of fixing the mounting plate to the workbench is achieved. And when the mounting plate needs to be disassembled, the inserting block only needs to slide out of the inserting groove, and then the mounting plate drives the assembling block to slide out of the assembling groove, so that the disassembling difficulty of the pump body is effectively reduced, and meanwhile, a worker can conveniently disassemble and assemble the pump body on the workbench.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of metering pump, concretely to a high-precision metering pump for chemical machinery. BACKGROUND

[0002] In modern chemical industry, with the increasing refinement of production process and the improvement of automation level, the accurate measurement and control of fluid medium become the key link to ensure product quality, optimize production process and improve resource utilization. As the crystallization of technology under this demand, the background technology of high-precision metering pump for chemical machinery integrates the latest achievements in multiple disciplines such as precision mechanical design, fluid mechanics, material science, electronic control and automation technology. The existing high-precision metering pump for chemical machinery basically meets the daily use requirements, but still needs to be improved in some aspects.

[0003] The existing high-precision metering pump for chemical machinery is usually fixed on the workbench by bolts, nuts and other fasteners. Although this fixing method is simple and direct, it needs to loosen all fasteners one by one when disassembling, which is tedious and time-consuming. Especially in the case of limited space or rusty and corroded fasteners, the disassembly difficulty is greatly increased. Therefore, we propose a high-precision metering pump for chemical machinery to solve the above problems. SUMMARY

[0004] The utility model aims at providing a high-precision metering pump for chemical machinery to solve the problems raised in the background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a high-precision metering pump for chemical machinery, comprising a pump body, the bottom of the pump body is provided with a mounting plate, the top of the pump body is provided with a motor, the bottom of the mounting plate is provided with a workbench, the mounting plate and the workbench are provided with a mounting assembly, the mounting plate and the workbench form a detachable design through the mounting assembly, four groups of bolts are arranged between the motor and the pump body, and the motor is connected with the pump body through the bolts.

[0006] As a further optimization of the technical scheme, the mounting assembly comprises two groups of assembly grooves opened on the front end surface of the workbench, the assembly grooves are all slidably provided with assembly blocks, the top of each assembly block is fixedly connected with a mounting plate, two groups of fixed frames are symmetrically arranged on the two side surfaces of the mounting plate, a sliding plate is slidably arranged in each fixed frame, an insertion block is fixedly arranged in the middle of each sliding plate, an insertion groove is opened on the surface of the workbench corresponding to the bottom end surface of each insertion block, a spring is wound on the surface of the insertion block above the sliding plate, two groups of first connecting plates are horizontally arranged on the top end surface of each insertion block, two groups of second connecting plates are vertically arranged on the side surface of the first connecting plate facing the mounting plate, and four groups of insertion blocks are connected with each other through the first connecting plates and the second connecting plates.

[0007] As a further preferred of the technical solution, the second connecting plate is provided with a groove at the middle position of the first connecting plate, and the groove is designed in a C shape.

[0008] As a further preferred of the technical solution, one end of the spring is welded on the surface of the sliding plate, and the other end of the spring is welded on the inner wall of the fixed frame.

[0009] As a further preferred of the technical solution, the sliding plate is designed in a rectangular shape, a rectangular groove matched with the sliding plate is provided in the fixed frame, and the two sides of the sliding plate are attached to the inner wall of the fixed frame.

[0010] As a further preferred of the technical solution, a plurality of positioning grooves are provided on the surface of the end of the motor attached to the pump body, and a plurality of positioning columns are provided on the surface of the pump body in the positioning grooves.

[0011] As a further preferred of the technical solution, the positioning column is designed in a cylindrical shape, four positioning columns are provided, the number of the positioning grooves is the same as that of the positioning columns, and the positioning grooves are provided as through holes matched with the positioning columns.

[0012] The utility model provides a kind of high-precision metering pump of chemical machinery, with the following beneficial effects:

[0013] 1. The utility model discloses a mounting plate drives assembly block to slide in assembly groove, until mounting plate drives plug block to slide to with plug groove alignment, then the reset sliding of slide plate in fixed frame is pushed by the restoring force of spring, and make slide plate synchronous drive plug block slide into plug groove, and with plug groove abuts, to reach the purpose of fixing mounting plate on workbench, when needing to disassemble mounting plate, just plug block is slid from plug groove, then it can be slid from assembly groove by mounting plate drive assembly block, effectively reduce the disassembly difficulty of pump body, while it is convenient for staff to disassemble and assemble pump body on workbench.

[0014] 2. The utility model discloses four positioning columns on the top of pump body, make positioning groove slide on positioning column, and make pump body and the threaded hole on motor alignment, then make pump body and motor connect by bolt, so that positioning groove and positioning column reach the purpose of alignment and positioning of pump body and motor threaded hole, to facilitate staff to operate bolt and connect pump body and motor, also reach the purpose of motor pre-fixing, prevent motor from falling off from pump body and damaging when installing. DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the bottom structure schematic diagram of the utility model;

[0017] Figure 3 It is partial section structure schematic view of the installation assembly of the utility model;

[0018] Figure 4 It is partial section structure schematic view of the installation assembly of the utility model; Figure 3 It is the A place enlarged structure schematic view of the utility model.

[0019] In the figure: 1, pump body;2, mounting plate;3, motor;4, workbench;5, installation assembly;51, assembly groove;52, assembly block;53, fixed frame;54, sliding plate;55, plug-in block;56, plug-in groove;57, spring;58, first connecting plate;59, second connecting plate;6, bolt;7, positioning groove;8, positioning column. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0021] The utility model provides technical scheme: as Figures 1 to 4 As shown in the figure, in the embodiment, a high-precision metering pump for chemical machinery comprises a pump body 1, the bottom of the pump body 1 is provided with a mounting plate 2, the top of the pump body 1 is provided with a motor 3, the bottom of the mounting plate 2 is provided with a workbench 4, the mounting plate 2 and the workbench 4 are provided with an installation assembly 5, the mounting plate 2 and the workbench 4 form detachable design through the installation assembly 5, four bolts 6 are arranged between the motor 3 and the pump body 1, and the motor 3 is connected with the pump body 1 through the bolts 6.

[0022] In other embodiments, the installation assembly 5 comprises two groups of assembly grooves 51 opened on the front end surface of the workbench 4, the assembly grooves 51 are all slidably provided with assembly blocks 52, the assembly blocks 52 are all fixedly connected with the mounting plate 2 on the top, two groups of fixed frames 53 are symmetrically arranged on the two side surfaces of the mounting plate 2, the fixed frames 53 are all slidably provided with sliding plates 54 upwards and downwards, the sliding plates 54 are all fixedly provided with plug-in blocks 55 in the middle, the plug-in blocks 55 are all provided with plug-in grooves 56 on the surface of the workbench 4 corresponding to the bottom end surface, the plug-in blocks 55 on the upper side of the sliding plates 54 are all wound with springs 57 on the surface, the plug-in blocks 55 are all provided with two groups of first connecting plates 58 horizontally on the top end surface, the first connecting plates 58 are all provided with two groups of second connecting plates 59 vertically on the side surface facing the mounting plate 2, and the four plug-in blocks 55 are all connected with each other through the first connecting plates 58 and the second connecting plates 59.

[0023] Through the installation plate 2 drives the assembly block 52 in the assembly slot 51 slides, until the installation plate 2 drives the plug block 55 slides to with the plug slot 56 alignment, again through the spring 57 restores the force to push the sliding plate 54 in the fixed frame 53 resets sliding, and makes the sliding plate 54 synchronous drive plug block 55 slides into the plug slot 56, and with the plug slot 56 abuts, thereby achieves the installation plate 2 fixed on the workbench 4, when need to disassemble the installation plate 2, just need to slide out the plug block 55 from the plug slot 56, again through the installation plate 2 drives the assembly block 52 from the assembly slot 51 slides out, effectively reduces the disassembly difficulty of the pump body 1, at the same time, the staff is convenient to the pump body 1 on the workbench 4 dismounts.

[0024] In other embodiments, the second connecting plate 59 is provided with a groove at the middle position of the first connecting plate 58, and the groove is designed in C shape;

[0025] Through the design, the staff can conveniently exert pulling force on the middle part of the second connecting plate 59, so that the force output from the two ends of the second connecting plate 59 to the first connecting plate 58 is more uniform, and the staff can more smoothly pull the two groups of plug blocks 55 through the second connecting plate 59 and the first connecting plate 58, preventing the second connecting plate 59 from tilting on one side and requiring more force to pull the other group of plug blocks 55 through the second connecting plate 59.

[0026] In other embodiments, one end of the spring 57 is welded on the surface of the sliding plate 54, and the other end of the spring 57 is welded on the inner wall of the fixed frame 53;

[0027] Through the design, the two ends of the spring 57 can be fixed, preventing the restoring force of the spring 57 from rebounding between the sliding plate 54 and the fixed frame 53, causing the spring 57 to hit the sliding plate 54 or the fixed frame 53, and further causing noise pollution.

[0028] In other embodiments, the sliding plate 54 is designed in rectangular shape, the fixed frame 53 is provided with a rectangular slot matching the sliding plate 54, and the two sides of the sliding plate 54 are attached to the inner wall of the fixed frame 53;

[0029] Through the design, the fixed frame 53 can guide the sliding plate 54 when sliding, preventing the sliding plate 54 from being stuck and unable to slide in the fixed frame 53 under the drive of the spring 57.

[0030] In other embodiments, the surface of the end of the motor 3 attached to the pump body 1 is provided with a plurality of positioning grooves 7, and the surface of the pump body 1 in the positioning grooves 7 is provided with a plurality of positioning columns 8;

[0031] Through the design, the positioning column 8 and the positioning groove 7 can be fully attached, thereby achieving the purpose of positioning the threaded holes of the pump body 1 and the motor 3, so as to facilitate the staff to connect the pump body 1 and the motor 3 through the bolts 6.

[0032] In other embodiments, the positioning column 8 is in a cylindrical design, the positioning column 8 is provided with four groups, the positioning groove 7 is provided with the same number as the positioning column 8, and the positioning groove 7 is provided with a through hole matched with the positioning column 8;

[0033] By providing four groups of positioning columns 8 on the top of the pump body 1, the positioning groove 7 is slid on the positioning column 8, the pump body 1 is aligned with the threaded hole on the motor 3, the pump body 1 is connected with the motor 3 through the bolt 6, so that the positioning groove 7 and the positioning column 8 achieve the purpose of aligning and positioning the threaded hole of the pump body 1 and the motor 3, so as to facilitate the staff to operate the bolt 6 to connect the pump body 1 and the motor 3, and also achieve the purpose of pre-fixing the motor 3, preventing the motor 3 from sliding off the pump body 1 and being damaged during installation.

[0034] The utility model provides a kind of high-precision metering pump of chemical machinery, specific working principle as follows:

[0035] When using, first pull two groups of second connecting plates 59, make second connecting plate 59 drive four groups of insertion blocks 55 to slide in fixed frame 53 by first connecting plate 58, and make insertion block 55 synchronous drive sliding plate 54 to slide in fixed frame 53, and make sliding plate 54 constantly extrude spring 57, until insertion block 55 slides into fixed frame 53, then drive assembly block 52 to slide in assembly slot 51 by mounting plate 2, until insertion block 55 is aligned with insertion slot 56, at this time, mounting plate 2 is attached with workbench 4, then second connecting plate 59 is loosened, sliding plate 54 is reset to slide in fixed frame 53 by the restoring force of spring 57, and make sliding plate 54 synchronous drive insertion block 55 to slide into insertion slot 56, and abut with insertion slot 56, so as to achieve the purpose of fixing mounting plate 2 on workbench 4, when needing to disassemble mounting plate 2, just slide insertion block 55 out of insertion slot 56, then drive assembly block 52 to slide out of assembly slot 51 by mounting plate 2.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-precision metering pump for chemical machinery, comprising a pump body (1), characterized in that: The bottom of the pump body (1) is provided with a mounting plate (2), the top of the pump body (1) is provided with a motor (3), the bottom of the mounting plate (2) is provided with a workbench (4), the mounting plate (2) and the workbench (4) are provided with a mounting assembly (5), the mounting plate (2) and the workbench (4) form a detachable design through the mounting assembly (5), the motor (3) and the pump body (1) are provided with four groups of bolts (6), and the motor (3) is connected with the pump body (1) through the bolts (6).

2. The high-precision metering pump of claim 1, wherein: The mounting assembly (5) includes two groups of assembly grooves (51) formed on the front end surface of the workbench (4), the assembly grooves (51) are slidably provided with assembly blocks (52), the assembly blocks (52) are fixedly connected with the mounting plate (2) on the top, the two side surfaces of the mounting plate (2) are symmetrically provided with two groups of fixed frames (53), the fixed frames (53) are slidably provided with sliding plates (54) upward and downward, the sliding plates (54) are fixedly provided with plug blocks (55) in the middle, plug grooves (56) are formed on the surface of the workbench (4) corresponding to the bottom end surface of the plug blocks (55), springs (57) are wound on the surface of the plug blocks (55) above the sliding plates (54), two groups of first connecting plates (58) are horizontally arranged on the top end surface of the plug blocks (55), and two groups of second connecting plates (59) are vertically arranged on the side surface of the first connecting plates (58) facing the mounting plate (2), and the four groups of plug blocks (55) are connected with each other through the first connecting plates (58) and the second connecting plates (59).

3. The high-precision metering pump of claim 2, wherein: The second connecting plate (59) and the first connecting plate (58) are provided with grooves at the middle positions, and the grooves are designed in a C shape.

4. The high-precision metering pump of claim 2, wherein: One end of the spring (57) is welded on the surface of the sliding plate (54), and the other end of the spring (57) is welded on the inner wall of the fixed frame (53).

5. The high-precision metering pump of claim 2, wherein: The sliding plate (54) is designed in a rectangular shape, a rectangular groove matched with the sliding plate (54) is formed in the fixed frame (53), and the two sides of the sliding plate (54) are attached to the inner wall of the fixed frame (53).

6. The high-precision metering pump of claim 1, wherein: A plurality of positioning grooves (7) are formed on the surface of the end of the motor (3) attached to the pump body (1), and a plurality of positioning columns (8) are arranged on the surface of the pump body (1) in the positioning grooves (7).

7. A high-precision metering pump of a chemical engineering machine according to claim 6, characterized in that: The positioning column (8) is designed in a cylindrical shape, the positioning column (8) is provided with four groups, the positioning grooves (7) are provided with the same number as the positioning columns (8), and the positioning grooves (7) are formed as through holes matched with the positioning columns (8).

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