CN218058427U - Oil pump discharge capacity distribution calibration device - Google Patents

Abstract

The utility model provides an oil pump discharge capacity distribution calibration equipment, include: the horizontal rotary table can rotate along the self axial lead and can be lifted, measuring cups which are placed in measuring cup holes uniformly distributed around the axial lead of the rotary table on the rotary table, oil receiving hoppers which are equal to the number of the measuring cups and are arranged between two adjacent measuring cups, oil outlet pipes which are arranged in a one-to-one correspondence manner with the measuring cups and are communicated with an oil pump, and a weighing device which is positioned below the rotary table.

Description

Oil pump discharge capacity distribution calibration device

Technical Field

The utility model relates to a chemical fiber production technical field, concretely relates to oil measuring pump discharge capacity distribution calibration equipment.

Background

In the chemical fiber production process, need add a certain amount of finish (being formed by the surfactant complex of multiple different grade type usually), be used for adjusting the friction between the chemical fiber, prevent that static from producing, the finish need be carried through finish pump (gear pump) and spins the position, because spinning position is more in the chemical fiber production process, for promoting finish pump's utilization efficiency, single finish pump has a plurality of leakage fluid dram, the finish pump starts at every turn and all can follow these leakage fluid dram discharge finish simultaneously, it spins the position with its leading-in to rethread pipeline, can realize that the finish adds.

For a single spinning position, too much or too little oil agent affects the chemical fiber performance of the spinning position, so that deviation of the discharge capacity of each liquid discharge port needs to be accurately controlled, generally speaking, the deviation is considered to be normal within +/-2%, but after the oil agent pump is used for a long time, gears in the oil agent pump are worn, the discharge capacities of some liquid discharge ports exceed a limited range, and therefore, the discharge capacity distribution of the oil agent pump needs to be checked.

Most of the traditional check devices collect the oil agent discharged from each liquid discharge port of the oil agent pump into a container, weigh the container in situ or carry the container to a weighing device for weighing, for example, the check devices disclosed in Chinese patents CN204099149U and CN114279539A need to be provided with a plurality of electronic scales, so that the cost is high, the occupied space is large, the errors of the electronic scales are inconsistent, and the accuracy of the check can be reduced by weighing and checking through the electronic scales; the latter has the problems that test tubes are easy to be mixed up, oil is easy to spill during transportation, the test tubes are easy to fall off hands and the like during actual operation, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's shortcoming, provide a with low costs, occupation space is little, the check-up rate of accuracy is high, convenient operation's finish pump discharge capacity distribution calibration equipment.

In order to achieve the above object, the utility model provides a technical scheme is, finish pump discharge capacity distribution calibration equipment, include:

the horizontal turntable can rotate along the axis of the turntable and can be lifted, and a plurality of cup measuring holes which are uniformly distributed around the axis of the turntable are formed in the turntable;

a measuring cup placed in the measuring cup hole, wherein the measuring cup is provided with a cup mouth with a caliber larger than the aperture of the measuring cup hole and a cup bottom with an outer diameter smaller than the aperture of the measuring cup hole;

the number of the oil receiving hoppers is equal to that of the measuring cups, the oil receiving hoppers are arranged between two adjacent measuring cups, the openings of the oil receiving hoppers face upwards, pipe handles of the oil receiving hoppers extend downwards and penetrate through mounting holes in the rotary table, when the rotary table rotates for one circle, the paths of the openings of the oil receiving hoppers form a first annular area, the paths of the cup mouths of the measuring cups form a second annular area, the paths of the cup bottoms of the measuring cups form a third annular area, and the first annular area and the second annular area are projected in the up-down direction to form an annular overlapping area;

the oil outlet pipes are arranged in one-to-one correspondence with the measuring cups, the lower end parts of the oil outlet pipes are positioned above the center of the rotary table and are communicated with a liquid outlet of the oil agent pump through connecting pipes, the upper end parts of the oil outlet pipes extend upwards and outwards in an inclined mode, and the projection of the oil outlets at the upper end parts of the oil outlet pipes in the vertical direction falls in the annular overlapping area;

and the weighing device is positioned below the turntable and is provided with a measuring cup seat used for supporting the measuring cup and transmitting the weight of the measuring cup, and the projection of the measuring cup seat in the vertical direction is positioned in the projection area of the third annular area in the vertical direction.

The calibration device has an oil injection state, a weighing preparation state and a weighing state, when the calibration device is in the oil injection state, the turntable is lifted and rotated, the oil outlet is moved to the position above the mouth of the measuring cup, the oil pump is started, and oil is injected into the measuring cup through the oil outlet pipe; when the calibration device is in a weighing preparation state, the oil agent pump is closed, the turntable rotates, the oil outlet moves to the position above the opening of the oil receiving funnel, and one of the measuring cups is located right above the measuring cup seat; when the checking device is in a weighing state, the turntable descends to enable the measuring cup positioned above the measuring cup seat to be separated from the turntable and supported on the measuring cup seat, and the measuring cup seat is weighed.

Preferably, a supporting column extending vertically upwards is connected in the oil receiving hopper, a flexible oil scraping plate is connected to the top of the supporting column, and when the rotary table rotates, the oil scraping plate is used for scraping liquid drops remaining at the oil outlet.

Preferably, an oil receiving ring which is coaxial with the rotating disc and can synchronously lift is arranged below the rotating disc, an annular oil receiving groove is formed in the upper surface of the oil receiving ring, the lower end portion of the pipe handle is inserted into the oil receiving groove, and a gap is formed between the bottom opening of the pipe handle and the bottom wall of the oil receiving groove.

Preferably, the measuring cup base comprises a lower base connected with the weighing device and an upper base used for bearing the measuring cup, and the lower base and the upper base are coaxially arranged and connected through an elastic piece.

Further preferably, the upper base comprises an annular flange extending horizontally outwards and a positioning part connected to the center of the upper surface of the annular flange and extending upwards, and the outer contour of the positioning part is matched with the inner wall of the central groove of the bottom of the measuring cup.

Further preferably, the positioning portion is formed by combining a circular truncated cone and a cylinder, and the circular truncated cone is located below the cylinder.

Further preferably, the diameter of the annular flange is 60% -80% of the outer diameter of the bottom of the measuring cup.

Preferably, the upper base further comprises a butt joint part connected to the center of the lower surface of the annular flange and extending downward, the butt joint part is in a shape of a truncated cone, an upper blind hole extending upward is formed in the center of the lower end surface of the butt joint part, the upper end of the lower base is in a shape of a truncated cone, a lower blind hole extending downward is formed in the center of the upper end surface of the lower base, the upper end and the lower end of the elastic piece are respectively inserted into the upper blind hole and the lower blind hole, and the middle of the elastic piece is exposed.

Further preferably, the elastic member is a spring.

Further preferably, the outer wall of the upper end of the measuring cup is an outer conical surface which gradually shrinks inwards from top to bottom, the inner wall of the measuring cup hole is an inner conical surface which gradually shrinks inwards from top to bottom, and the inner conical surface is matched with the outer conical surface.

Because of the application of above-mentioned technical scheme, compared with the prior art, the utility model has the following advantage:

the utility model provides an oil pump discharge capacity distribution calibration equipment, include: the horizontal rotary table can rotate along the self axial lead and can be lifted, measuring cups which are placed in measuring cup holes uniformly distributed around the axial lead of the rotary table on the rotary table, oil receiving hoppers which are equal to the number of the measuring cups and are arranged between two adjacent measuring cups, oil outlet pipes which are arranged in a one-to-one correspondence manner with the measuring cups and are communicated with an oil pump, and a weighing device which is positioned below the rotary table.

Drawings

Fig. 1 and 2 are schematic perspective views of a preferred embodiment of the present invention.

Fig. 3 is a schematic front view of fig. 1, with portions of the measuring cup and the oil receiving funnel hidden for ease of viewing.

Fig. 4 and 5 are schematic sectional views in the direction ofbase:Sub>A-base:Sub>A in fig. 3, wherein fig. 4 isbase:Sub>A schematic sectional view when the turntable is lifted, and fig. 5 isbase:Sub>A schematic sectional view when the turntable is lowered.

Fig. 6 is a schematic top view of fig. 3.

Fig. 7 is a schematic sectional view in the direction B-B in fig. 6.

Fig. 8 is a schematic cross-sectional view in the direction C-C in fig. 6.

Wherein: 1. a base plate; 10. a turntable; 11. a measuring cup hole; 111. an inner conical surface; 12. mounting holes; 13. an oil ring is connected; 131. an oil receiving groove; 132. a supporting strip; 20. a measuring cup; 21. a cup mouth; 22. a cup bottom; 221. a central recess; 23. an outer conical surface; 30. an oil receiving hopper; 31. an opening; 32. a pipe handle; 33. a support column; 40. an oil outlet pipe; 41. an oil outlet; 42. an oil outlet pipe supporting plate; 421. an oil outlet pipe support; 422. a locking head; 50. a weighing device; 51. a measuring cup base; 511. a lower base; 5111. a lower blind hole; 512. an upper base; 5121. an annular flange; 5122. a circular truncated cone; 5123. a cylinder; 5124. a butt joint part; 5125. an upper blind hole; 513. an elastic member; 52. a height adjustment post; 61. a lifting cylinder; 611. a support frame; 62. a stepping motor; 63. and a speed reducer.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 7, the utility model provides an oil pump discharge capacity distribution calibration equipment, include: the oil-collecting device comprises a bottom plate 1, a turntable 10, a measuring cup 20, an oil receiving hopper 30, an oil outlet pipe 40, a weighing device 50 and a driving mechanism, wherein the bottom plate 1 is placed on a supporting surface to play a role of general support, and the plane where the bottom plate 1 is located is parallel to the horizontal plane; the rotary table 10 is a circular horizontal rotary table which can rotate along the axis of the rotary table and can be lifted, and a plurality of measuring cup holes 11 which are uniformly distributed around the axis of the rotary table 10 are formed in the rotary table 10; the measuring cup 20 is placed in the measuring cup hole 11, and the measuring cup 20 is provided with a cup mouth 21 with the caliber larger than the aperture of the measuring cup hole 11 and a cup bottom 22 with the outer diameter smaller than the aperture of the measuring cup hole; the oil receiving hoppers 30 are funnel-shaped, the number of the oil receiving hoppers 30 is equal to that of the measuring cups, the oil receiving hoppers 30 are arranged between every two adjacent measuring cups 20, the openings 31 of the oil receiving hoppers 30 face upwards, the pipe handles 32 of the oil receiving hoppers 30 extend downwards and penetrate through the mounting holes 12 in the rotary table 10, when the rotary table 10 rotates for one circle, the paths of the openings 31 of the oil receiving hoppers form a first annular area, the paths of the cup mouths 21 of the measuring cups form a second annular area, the paths of the cup bottoms 22 of the measuring cups form a third annular area, and the first annular area and the second annular area are projected in the up-down direction to form an annular overlapped area; the oil outlet pipes 40 are arranged in one-to-one correspondence with the measuring cups 20, the lower end parts of the oil outlet pipes 40 are positioned above the center of the rotary table 10 and are communicated with a liquid outlet of the oil agent pump through connecting pipes, the upper end parts of the oil outlet pipes 40 extend upwards and outwards in an inclined mode, and the projection of an oil outlet 41 at the upper end parts of the oil outlet pipes 40 in the vertical direction falls in an annular overlapping area; the weighing device 50 is positioned below the turntable 10, the weighing device 50 is provided with a measuring cup seat 51 for supporting the measuring cup 20 and transmitting the weight of the measuring cup 20, and the projection of the measuring cup seat 51 in the vertical direction is positioned in the projection area of the third annular area in the vertical direction; the driving mechanism is used for driving the turntable 10 to rotate and lift, and specifically, the driving mechanism comprises a lifting cylinder 61, a stepping motor 62 and a speed reducer 63, the lifting cylinder 61 is arranged on the bottom plate 1, the lifting cylinder 61 is positioned below the turntable 10, the end of a cylinder rod of the lifting cylinder 61 is connected with a supporting frame 611, the stepping motor 62 is fixed on the upper end surface of the supporting frame 611, an output shaft of the stepping motor 62 is connected with an input end of the speed reducer 63, and an output shaft of the speed reducer 63 is connected to the center of the lower surface of the turntable 10.

The advantage that sets up like this lies in, can make all graduated flasks weigh through the throughput cup in proper order through the rotation and the lift of carousel, need not to set up a plurality of electronic scales, and is with low costs, occupation space is little, the check-up rate of accuracy is high, need not artifical removal graduated flask, convenient operation.

Specifically, the calibration device has an oil filling state, a weighing preparation state and a weighing state, when the calibration device is in the oil filling state, the turntable 10 is lifted and rotated, so that the oil outlet 41 moves to the position above the cup mouth 21 of the measuring cup, the oil pump is started, and oil is filled into the measuring cup 20 through the oil outlet pipe 40; when the oil solution pump is in a weighing preparation state, the oil solution pump is closed, the turntable 10 rotates, the oil outlet 41 moves to the position above the opening 31 of the oil receiving funnel, and one measuring cup 20 is positioned right above the measuring cup seat 51; when the rotary table is in a weighing state, the rotary table 10 descends, so that the measuring cup 20 positioned above the measuring cup seat 51 is separated from the rotary table 10 and supported on the measuring cup seat 51, and the measuring cup is weighed; through the rotation and the lift of carousel 10, stop opening of deuterogamying the finish pump, can realize weighing in proper order to all graduated flasks to carry out the check-up to the finish pump according to the data of weighing.

Because the pipe diameter of the oil outlet pipe 40 is usually smaller, when the oil pump is closed, the release of oil agent pressure in the oil outlet pipe 40 is slower, the oil outlet 41 of the oil outlet pipe has residual liquid drops, in the process of weighing the measuring cup 20 in sequence, because the oil outlet 41 can pass through the upper part of the measuring cup 20, the residual liquid drops on the oil outlet pipe easily drop in the measuring cup 20, thereby the weighing data is inaccurate, the reproducibility is poor, in order to solve the problem, in the embodiment, the supporting column 33 which extends upwards and vertically is connected in the oil receiving hopper 30, the top of the supporting column 33 is connected with the flexible oil scraping plate, and when the rotary disk 10 rotates, the oil scraping plate is used for scraping the residual liquid drops at the oil outlet 41.

In order to collect the oil in the oil receiving bucket 30, in this embodiment, an oil receiving ring 13 which is coaxial with the rotating disk 10 and ascends and descends synchronously is arranged below the rotating disk 10, the outer wall of the oil receiving ring 13 is supported on a supporting frame 611 through four supporting bars 132 which are obliquely arranged, an annular oil receiving groove 131 is formed in the upper surface of the oil receiving ring 13, the lower end portion of the pipe handle 32 is inserted into the oil receiving groove 131, and a gap is formed between the bottom opening of the pipe handle 32 and the bottom wall of the oil receiving groove 131.

In order to avoid the problem that the measuring cup holder 51 is easily impacted by the measuring cup 20 when the elevating cylinder 61 is out of order and does not rise, and the stepping motor 62 and the reducer 63 drive the turntable to rotate, so that the weighing device 50 is damaged, and the accuracy of the measuring cup 20 in weighing is improved, in the embodiment, the measuring cup holder 51 comprises a lower base 511 connected with the weighing device 50 and an upper base 512 for bearing the measuring cup 20, the lower base 511 is coaxially arranged with the upper base 512 and is connected through an elastic member 513, the upper base 512 comprises an annular flange 5121 extending horizontally outwards, a positioning part connected with the center of the upper surface of the annular flange 5121 and extending upwards, and a butt part 5124 connected with the center of the lower surface of the annular flange 5121 and extending downwards, the diameter of the annular flange 5121 is 60% -80% of the outer diameter of the measuring cup bottom 22, so as to realize good support of the flat area of the measuring cup bottom 22, the outer contour of the positioning portion is matched with the inner wall of the central groove 221 of the measuring cup bottom 22, specifically, the positioning portion is formed by combining a circular truncated cone 5122 and a cylinder 5123, the circular truncated cone 5122 is positioned below the cylinder 5123, the butt-joint portion 5124 is in a shape of a truncated cone, an upper blind hole 5125 extending upwards is formed in the center of the lower end face of the butt-joint portion 5124, the upper end of the lower base 511 is in a shape of a truncated cone, a lower blind hole 5111 extending downwards is formed in the center of the upper end face of the lower base 511, the upper end and the lower end of the elastic member 513 are respectively inserted into the upper blind hole 5125 and the lower blind hole 5111, the middle of the elastic member 513 is exposed, and the elastic member 513 is a spring.

In order to facilitate the separation of the measuring cup 20 from the rotating disc 10 and ensure the stability of the measuring cup 20 when the rotating disc 10 rotates, in the present embodiment, the outer wall of the upper end of the measuring cup 20 is an outer conical surface 23 which is gradually tapered inward from top to bottom, the inner wall of the measuring cup hole 11 is an inner conical surface 111 which is gradually tapered inward from top to bottom, and the inner conical surface 111 is matched with the outer conical surface 23.

In this embodiment, the lower end of the oil outlet pipe 40 is disposed on an oil outlet pipe support plate 42 located above the center of the turntable 10, and the oil outlet pipe support plate 42 can be suspended above the turntable 10 so as not to rotate synchronously with the turntable 10 and not to lift synchronously with the turntable 10; the oil outlet pipe 40 can be a hard pipe or a hose, when the oil outlet pipe 40 is a hose, the oil outlet pipe support plate 42 needs to be provided with an oil outlet pipe support 421 for supporting the oil outlet pipe 40, in order to fix the oil outlet 41 at the upper end of the oil outlet pipe 40, the upper end of the oil outlet pipe 40 needs to be locked on the oil outlet pipe support 421 through a locking head, and when the oil outlet 41 faces the oil outlet pipe support 421, a flow channel corresponding to the oil outlet 41 needs to be arranged on the oil outlet pipe support 421.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (10)

1. An oil pump displacement distribution verification device, comprising:

the horizontal rotating disc can rotate along the axis of the horizontal rotating disc and can be lifted, and a plurality of measuring cup holes which are uniformly distributed around the axis of the rotating disc are formed in the rotating disc;

a measuring cup placed in the measuring cup hole, wherein the measuring cup is provided with a cup mouth with a caliber larger than the aperture of the measuring cup hole and a cup bottom with an outer diameter smaller than the aperture of the measuring cup hole;

the number of the oil receiving hoppers is equal to that of the measuring cups, the oil receiving hoppers are arranged between two adjacent measuring cups, the openings of the oil receiving hoppers face upwards, pipe handles of the oil receiving hoppers extend downwards and penetrate through mounting holes in the rotary table, when the rotary table rotates for one circle, the paths of the openings of the oil receiving hoppers form a first annular area, the paths of the cup mouths of the measuring cups form a second annular area, the paths of the cup bottoms of the measuring cups form a third annular area, and the first annular area and the second annular area are projected in the up-down direction to form an annular overlapping area;

the oil outlet pipes are arranged in one-to-one correspondence with the measuring cups, the lower end parts of the oil outlet pipes are positioned above the center of the rotary table and are communicated with a liquid outlet of the oil agent pump through connecting pipes, the upper end parts of the oil outlet pipes extend upwards and outwards in an inclined mode, and the projection of the oil outlets at the upper end parts of the oil outlet pipes in the vertical direction falls in the annular overlapping area;

and the weighing device is positioned below the turntable and is provided with a measuring cup seat used for supporting the measuring cup and transmitting the weight of the measuring cup, and the projection of the measuring cup seat in the vertical direction is positioned in the projection area of the third annular area in the vertical direction.

2. The oil pump displacement dispense verification device of claim 1, wherein: the oil receiving hopper is internally connected with a supporting column which extends upwards vertically, the top of the supporting column is connected with a flexible oil scraping plate, and when the rotary table rotates, the oil scraping plate is used for scraping liquid drops remained at the oil outlet.

3. The oil pump displacement dispense verification device of claim 1, wherein: an oil receiving ring which is coaxial with the rotary disc and can synchronously lift is arranged below the rotary disc, an annular oil receiving groove is formed in the upper surface of the oil receiving ring, the lower end portion of the pipe handle is inserted into the oil receiving groove, and a gap is formed between the bottom opening of the pipe handle and the bottom wall of the oil receiving groove.

4. The oil pump displacement dispense verification device of claim 1, wherein: the measuring cup base comprises a lower base connected with the weighing device and an upper base used for bearing the measuring cup, and the lower base and the upper base are coaxially arranged and are connected through an elastic piece.

5. The oil pump displacement dispense verification device of claim 4, wherein: the upper base comprises an annular flange extending outwards and horizontally and a positioning part connected to the center of the upper surface of the annular flange and extending upwards, and the outline of the positioning part is matched with the inner wall of a central groove of the bottom of the measuring cup.

6. An oil pump displacement distribution verification device as claimed in claim 5, wherein: the positioning part is formed by combining a circular table and a cylinder, and the circular table is positioned below the cylinder.

7. The oil pump displacement dispense verification device of claim 5, wherein: the diameter of the annular flange is 60% -80% of the outer diameter of the bottom of the measuring cup.

8. The oil pump displacement dispense verification device of claim 5, wherein: the upper base further comprises a butt joint part which is connected to the center of the lower surface of the annular flange and extends downwards, the butt joint part is in a head-removing inverted cone shape, an upper blind hole extending upwards is formed in the center of the lower end face of the butt joint part, the upper end of the lower base is in a head-removing cone shape, a lower blind hole extending downwards is formed in the center of the upper end face of the lower base, the upper end portion and the lower end portion of the elastic piece are respectively inserted into the upper blind hole and the lower blind hole, and the middle of the elastic piece is exposed.

9. The oil pump displacement dispense verification device of claim 8, wherein: the elastic piece is a spring.

10. An oil pump displacement distribution verification device according to any one of claims 1-9, characterized in that: the outer wall of the upper end part of the measuring cup is an outer conical surface which gradually shrinks inwards from top to bottom, the inner wall of the measuring cup hole is an inner conical surface which gradually shrinks inwards from top to bottom, and the inner conical surface is matched with the outer conical surface.

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