CN210135041U

CN210135041U - Correctable metering pump for chemical product production

Info

Publication number: CN210135041U
Application number: CN201920129200.5U
Authority: CN
Inventors: 傅彧
Original assignee: Shanghai Shuangfeng Chemical Co Ltd
Current assignee: Shanghai Shuangfeng Chemical Co Ltd
Priority date: 2019-01-25
Filing date: 2019-01-25
Publication date: 2020-03-10
Anticipated expiration: 2029-01-25

Abstract

The utility model discloses a correctable metering pump for chemical product production, which belongs to the technical field of chemical product production, and comprises a base, wherein the pump seat is provided with the plunger pump body, one end of the plunger pump body is connected with the pump seat and forms a through cavity, the other end of the plunger pump body is connected with the pump cylinder, two outlets of the pump cylinder are provided with the outlet valve, the dial indicator is fixedly connected with two fixed sleeve rings through an installation rod, the upper correction plate and the lower correction plate are movably connected through a rotating shaft at an included angle smaller than 5 degrees, the output end of a driving motor is connected with one end of a lead screw which is obliquely arranged, the other end of the lead screw is connected with the edge of the lower correction plate through a nut, the driving motor is fixed on the upper correction plate through a screw and is far away from the side wall of the connecting end of the lower correction plate, the utility model has the, the correction is convenient and accurate, and the applicability is strong.

Description

Correctable metering pump for chemical product production

Technical Field

The utility model discloses a correctable measuring pump is used in chemical product production specifically is chemical product production technical field.

Background

The metering pump is also called as a proportional pump, and can conveniently and accurately change the stroke of the plug by correcting the eccentric distance of the eccentric wheel when the liquid feeding amount is required to be changed. Metering pumps are one type of fluid delivery machine that are characterized by the ability to maintain a constant flow rate independent of discharge pressure. The metering pump can simultaneously complete the functions of conveying, metering and correcting, thereby simplifying the production process flow. By using a plurality of metering pumps, several media can be input into the process flow according to an accurate proportion for mixing. Due to its own prominence, metering pumps are now widely used in various industrial fields such as petrochemical industry, pharmaceutical industry, food industry, and the like.

The problem of shaft coupling axiality deviation can take place for the measuring pump after long-time work, not only influences the production process, also can reduce the life of measuring pump, and the shaft coupling has the problem of radial displacement and terminal surface slope, and it is big to consume the manpower when current proofreading to the measuring pump, detects inaccurately, not thorough, for this reason, we have proposed a chemical products production and have put into use with correctable measuring pump to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect, the utility model aims to provide a detect accurate, consume manpower little, rectify convenient, accurate and thorough chemical product production with correctable measuring pump to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a chemistry is correctable measuring pump for product production, includes base, pump seat, the plunger pump body, pump cylinder, outlet valve, positioning disk, left connecting axle, shaft coupling, right connecting axle, the fixed lantern ring, percentage table, motor, recess, lower correction board, correction groove, correction bolt, driving motor, lead screw and last correction board, install at the base top the pump seat, install on the pump seat the plunger pump body, plunger pump body one end with the pump seat is connected and is formed and link up the cavity, plunger pump body other end with the pump cylinder is connected, the outlet valve is all installed in two exits of pump cylinder, the positioning disk is fixed in on the pump seat through the locating pin, left connecting axle with the one end of right connecting axle respectively with the pump seat with the motor is connected, left side connecting axle with the other end of right connecting axle all with the shaft coupling joint, the outer walls of the left connecting shaft and the right connecting shaft are fixedly sleeved with the fixed lantern rings, the dial indicator is fixedly connected with the two fixed lantern rings through the mounting rod, the dial indicator is arranged above the coupler, the groove is arranged at the top of the base below the motor, the motor is fixedly arranged on the upper correcting plate, the correcting groove is arranged at the bottom of the groove, the upper correcting plate and the lower correcting plate are movably connected by a rotating shaft at an included angle of less than 5 degrees, the bottom end of the lower correcting plate is provided with a lug which is in sliding connection with the correcting groove, the lower correcting plate is connected with the groove through a plurality of correcting bolts, the output end of the driving motor is connected with one end of the lead screw which is obliquely arranged, the other end of the screw rod is connected with the edge of the lower correcting plate through a nut, and the driving motor is fixed on the side wall of the end, far away from the upper correcting plate, of the lower correcting plate through a screw.

Preferably, the lower correcting plate faces the side wall of the pump base and is connected with one end of a buffer spring along the length direction of the side wall, the other end of the buffer spring is fixedly connected with the inner wall of the groove, and anti-skid gaskets are mounted at two ends of the buffer spring.

Preferably, the left connecting shaft and the right connecting shaft and the connecting end of the coupler are both provided with an anti-collision block, and a spacer is arranged between the right connecting shaft and the coupler.

Preferably, the thickness of the lower correcting plate is smaller than the depth of the groove, the length of the lower correcting plate is smaller than that of the groove, and a bolt hole corresponding to the correcting bolt is formed in the bottom of the groove.

Preferably, the length of the screw rod exceeds the sum of the thicknesses of the upper correcting plate and the lower correcting plate, and the nut is welded on the side wall of the lower correcting plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, reasonable in design detects the deviation of shaft coupling axiality through the percentage table, detects more accurately, and the reading is convenient, rectifies the position of two directions of motor respectively through last correcting plate and lower correcting plate for lower correcting plate slides in the recess, and uses driving motor control to go up the correcting plate and rotate, thereby deals with the deviation of the radial displacement and the terminal surface slope that the shaft coupling exists, rectifies convenient accurate and thoroughly, consumes the manpower little, and the suitability is strong.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation of the lower correction plate of the present invention;

fig. 3 is the installation schematic diagram of the upper correction plate of the present invention.

In the figure: the device comprises a base 1, a pump base 2, a plunger pump body 3, a pump cylinder 4, an outlet valve 5, a positioning disc 6, a left connecting shaft 7, a coupler 8, a right connecting shaft 9, a fixing lantern ring 10, a dial indicator 11, an electric motor 12, a groove 13, a lower correcting plate 14, a correcting groove 15, a correcting bolt 16, a driving motor 17, a screw rod 18, an upper correcting plate 19, a buffer spring 20 and an anti-skid gasket 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a correctable metering pump for chemical product production, which is used for reducing manpower consumption, has accurate detection and more convenient and accurate correction, please refer to figure 1, and comprises a correctable metering pump for chemical product production, which comprises a base 1, a pump seat 2, a plunger pump body 3, a pump cylinder 4, an outlet valve 5, a positioning disc 6, a left connecting shaft 7, a shaft coupling 8, a right connecting shaft 9, a fixed lantern ring 10, a dial indicator 11, a motor 12, a groove 13, a lower correcting plate 14, a correcting groove 15, a correcting bolt 16, a driving motor 17, a screw rod 18 and an upper correcting plate 19, wherein the pump seat 2 and the motor 12 are arranged at the top of the base 1, the motor 12 drives the plunger pump body 3 to rotate, the plunger pump body 3 is arranged on the pump seat 2, one end of the plunger pump body 3 is connected with the pump seat 2 and forms a through cavity, the other end of the plunger pump body 3 is connected with the pump cylinder 4, the outlet, the positioning disc 6 is fixed on the pump base 2 through a positioning pin, one end of a left connecting shaft 7 and one end of a right connecting shaft 9 are respectively connected with the pump base 2 and the motor 12, the other end of the left connecting shaft 7 and the other end of the right connecting shaft 9 are both connected with the coupler 8 and are used for driving the metering pump to work through power conduction of the motor 12, the outer walls of the left connecting shaft 7 and the right connecting shaft 9 are fixedly sleeved with a fixed lantern ring 10, the connecting ends of the left connecting shaft 7 and the right connecting shaft 9 and the coupler 8 are both provided with an anti-collision block, a spacing gasket is arranged between the right connecting shaft 9 and the coupler 8, in the correction process, the problem that the left connecting shaft 7 and the right connecting shaft 9 collide with the coupler 8 due to improper force application is prevented, the anti-collision block can reduce impact force generated by collision, the coupler 8 is effectively protected, the dial indicator 11 is fixedly connected, the dial indicator 11 is arranged above the coupler 8, a measuring shaft of the dial indicator 11 is arranged on the outer side wall of the coupler 8, coaxiality is read and calculated through runout of the measuring shaft, detection of the dial indicator 11 is more accurate, errors generated when the coupler 8 is manufactured and installed can be overcome, a groove 13 is formed in the top of the base 1 and located below the motor 12, the motor 12 is fixedly arranged on an upper correcting plate 19, a correcting groove 15 is formed in the bottom of the groove 13, the upper correcting plate 19 and a lower correcting plate 14 are movably connected through a rotating shaft at an included angle smaller than 5 degrees, a protruding block is arranged at the bottom end of the lower correcting plate 14 and is in sliding connection with the correcting groove 15, the lower correcting plate 14 is connected with the groove 13 through a plurality of correcting bolts 16, the lower adjusting plate 14 is made to be movable through loosening the correcting bolts 16, the position of the lower adjusting plate 14 on the correcting groove 15 is adjusted, and, therefore, the radial displacement of the coupler 8 is corrected, the output end of the driving motor 17 is connected with one end of a lead screw 18 which is obliquely arranged, the other end of the lead screw 18 is connected with the edge of a lower correcting plate 14 through a nut, the side wall of the lower correcting plate 14 facing the pump base 2 is connected with one end of a buffer spring 20 along the length direction of the side wall, in order to prevent the problem that the position of the lower adjusting plate 14 is adjusted when the radial displacement of the coupler 8 is corrected, the correction distance deviation is overlarge due to improper force application, the buffer spring 20 can play a role of blocking and buffering the lower adjusting plate 14, the accuracy of manual correction is increased, the other end of the buffer spring 20 is fixedly connected with the inner wall of the groove 13, anti-skidding gaskets 21 are arranged at both ends of the buffer spring 20, the driving motor 17 is fixed on the side wall of the upper correcting plate 19 far away from the end, the screw rod 18 is displaced with the nut through the action of threads, so that the upper adjusting plate 19 is driven to rotate around the lower adjusting plate 14, the end face distance between the connecting shaft and the coupler 8 is adjusted, and the end face inclined displacement of the coupler 8 is corrected.

During correction, the measuring shaft of the dial indicator 11 is used for detecting the radial displacement and the end face inclination of the coupler 8, reading and calculating the coaxiality, the correcting bolt 16 is unscrewed, the lower adjusting plate 14 (provided with scale marks for workers to observe) is pushed along the correcting groove 15 to drive the motor 12 to correspondingly adjust, the adjustment of the transverse position of the motor 12 enables the distance between the connecting shaft and the coupler 8 to be correspondingly adjusted, so that the radial displacement of the coupler 8 is corrected, the lower adjusting plate 14 compresses the buffer spring 20 when moving, so that the workers receive buffer resistance when correcting, the problem of inaccurate correction caused by improper force application is prevented, the driving motor 17 drives the screw rod 18 to rotate, the screw rod 18 displaces with a nut through the action of threads, the upper adjusting plate 19 is driven to rotate around the lower adjusting plate 14, and the end face distance between the connecting shaft and the coupler 8 is adjusted, the end face inclination displacement existing in the coupling 8 is corrected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A correctable metering pump for chemical production, comprising: comprises a base (1), a pump seat (2), a plunger pump body (3), a pump cylinder (4), an outlet valve (5), a positioning disc (6), a left connecting shaft (7), a shaft coupling (8), a right connecting shaft (9), a fixed sleeve ring (10), a dial indicator (11), a motor (12), a groove (13), a lower correcting plate (14), a correcting groove (15), a correcting bolt (16), a driving motor (17), a lead screw (18) and an upper correcting plate (19), wherein the pump seat (2) is installed at the top of the base (1), the plunger pump body (3) is installed on the pump seat (2), one end of the plunger pump body (3) is connected with the pump seat (2) to form a through cavity, the other end of the plunger pump body (3) is connected with the pump cylinder (4), and the outlet valve (5) is installed at two outlets of the pump cylinder (4), the positioning disc (6) is fixed on the pump base (2) through a positioning pin, one ends of the left connecting shaft (7) and the right connecting shaft (9) are respectively connected with the pump base (2) and the motor (12), the other ends of the left connecting shaft (7) and the right connecting shaft (9) are respectively connected with the shaft coupler (8), the outer walls of the left connecting shaft (7) and the right connecting shaft (9) are fixedly sleeved with the fixed lantern rings (10), the dial indicator (11) is fixedly connected with the two fixed lantern rings (10) through a mounting rod, the dial indicator (11) is installed above the shaft coupler (8), the top of the base (1) is located below the motor (12) and provided with the groove (13), the motor (12) is fixedly installed on the upper correcting plate (19), the bottom of the groove (13) is provided with the correcting groove (15), go up correcting plate (19) with correcting plate (14) is less than 5 contained angle swing joint through the pivot down, correcting plate (14) bottom down be equipped with the lug with correct groove (15) sliding connection, just correcting plate (14) is through a plurality of down correcting bolt (16) with recess (13) are connected, the output and the slope of driving motor (17) set up lead screw (18) one end is connected, lead screw (18) other end pass through the nut with correcting plate (14) edge connection down, driving motor (17) are fixed in through the screw last correcting plate (19) keep away from with correcting plate (14) connection end lateral wall down.

2. A correctable metering pump for chemical production according to claim 1 wherein: lower correcting plate (14) face the lateral wall of pump seat (2) is along its length direction connection buffer spring's (20) one end, buffer spring's (20) the other end with recess (13) inner wall fixed connection, anti-skidding gasket (21) are all installed at buffer spring's (20) both ends.

3. A correctable metering pump for chemical production according to claim 1 wherein: the left connecting shaft (7) and the right connecting shaft (9) are connected with the connecting end of the coupler (8) through the anti-collision block, and a spacer is arranged between the right connecting shaft (9) and the coupler (8).

4. A correctable metering pump for chemical production according to claim 1 wherein: the thickness of the lower correction plate (14) is smaller than the depth of the groove (13), the length of the lower correction plate (14) is smaller than the length of the groove (13), and a bolt hole corresponding to the correction bolt (16) is formed in the bottom of the groove (13).

5. A correctable metering pump for chemical production according to claim 1 wherein: the length of the screw rod (18) exceeds the sum of the thicknesses of the upper correction plate (19) and the lower correction plate (14), and the nut is welded on the side wall of the lower correction plate (14).