CN113250949A - Leak detection device and leak detection equipment of pump body - Google Patents
Leak detection device and leak detection equipment of pump body Download PDFInfo
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- CN113250949A CN113250949A CN202110601219.7A CN202110601219A CN113250949A CN 113250949 A CN113250949 A CN 113250949A CN 202110601219 A CN202110601219 A CN 202110601219A CN 113250949 A CN113250949 A CN 113250949A
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- pump body
- sealing
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- leak detection
- positioning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
Abstract
The invention relates to the technical field of detection equipment, in particular to a leak detection device and leak detection equipment of a pump body, which comprise: detecting a leakage table board; the positioning die is used for installing the pump body and sealing a first port on the lower side of the pump body; the pressing mechanism is used for pressing the upper end face of the pump body; the sealing mechanism comprises a plurality of sealing components for respectively sealing ports on each side surface of the pump body; the inflation detection mechanism is used for abutting against one port of the sealed pump body, inflating the cavity in the pump body and detecting the air pressure of the cavity in the pump body; the first sealing assembly facing one side of the second port of the row on the pump body comprises a first driving part, an arm plate and an elastic sealing plate, the arm plate is installed at the output end of the first driving part, the elastic sealing plate is installed on the arm plate, and the first driving part drives the arm plate to move, so that the elastic sealing plate is abutted to the second port of the row on the pump body and is sealed. The invention solves the problems that the original leak detection method wastes time and labor, is inaccurate in detection and seriously affects the qualification rate of the outgoing pump body.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to a leak detection device and leak detection equipment for a pump body.
Background
A pump is a machine that delivers or pressurizes a fluid. The pumps can be divided into a plurality of types, such as water pumps, oil pumps, slurry pumps and the like, but no matter which type of pump, the pump body of the pump is complete and cannot have cracks or other holes, so that the air tightness of the pump body is ensured.
However, in the daily production process, due to the influence of factors such as production equipment or production process, the pump body itself may have cracks or holes, and in order to eliminate such pump bodies and ensure the qualification rate of the pump body, leak-proof detection needs to be performed on the pump body.
The existing leakage-proof detection is to seal a sealing surface and a hole position of a pump shell, then inflate the pump shell, put the inflated pump shell into water, and judge whether the pump shell leaks air or not by observing whether the pump shell bubbles or not. The mode is time-consuming and labor-consuming, is not accurate enough, can only observe large air leakage by naked eyes, cannot observe micro air leakage, also can cause the condition of air leakage of the pump shell, and seriously influences the qualification rate of the pump shell leaving factory.
Disclosure of Invention
The invention aims to provide a leak detection device and leak detection equipment for a pump body.
The purpose of the invention is realized as follows:
a leak detection apparatus for a pump body, comprising:
detecting a leakage table board;
the positioning die is arranged on the leakage detection table top and used for mounting the pump body and sealing a first port on the lower side of the pump body;
the pressing mechanism is arranged above the positioning die and used for pressing the upper end face of the pump body;
the sealing mechanism comprises a plurality of sealing components which are respectively arranged on the side surfaces of the positioning die and used for respectively sealing ports on the side surfaces of the pump body;
the inflation detection mechanism is arranged on the leakage detection table top and used for abutting against one port of the sealed pump body, inflating the cavity in the pump body and detecting the air pressure of the cavity in the pump body;
the first sealing assembly facing one side of the second port of the row on the pump body comprises a first driving part, an arm plate and an elastic sealing plate, the arm plate is installed at the output end of the first driving part, the elastic sealing plate is installed on the arm plate, and the first driving part drives the arm plate to move, so that the elastic sealing plate is abutted to the second port of the row on the pump body and is sealed.
Preferably, the leak detection table top is further provided with a first adjusting mechanism, and the first adjusting mechanism comprises:
the adjusting seat is arranged on the leakage detection table top;
one end of the adjusting rod is formed with a butting part for butting against the pump body;
adjust pole one end threaded connection and adjust the pole and adjust the fixed position of butt portion on adjusting the seat through rotating.
Preferably, the pressing mechanism includes:
driving part IV;
the pressing rod is arranged at the output end of the driving piece IV;
a cushion block IV;
the upper end face of the pump body is provided with a port five, the cushion block four is installed in the port five, the driving piece four drives the pressing rod to move downwards, the pressing rod is enabled to abut against the cushion block four and the port five, and the port five is sealed and simultaneously pressed on the pump body.
Preferably, a second adjusting mechanism is installed above the leak detection table top, and the second adjusting mechanism comprises:
a guide bar;
a fixing seat mounted on the guide rod;
the fixed seat is provided with a movable hole, the end part of the bolt penetrates through the movable hole to be connected with the end part of the driving part IV, and the front and back positions of the driving part IV relative to the positioning die are adjusted by adjusting the position of the bolt in the movable hole.
Preferably, the second adjusting mechanism further comprises:
the screw rod is arranged on the rack, and the end part of the screw rod is connected with the fixed seat;
the hand wheel is arranged at the end part of the screw rod;
and the screw rod is rotated through the hand wheel to transversely adjust the position of the driving part IV.
Preferably, the second sealing assembly includes:
a driving part II;
the sealing seat is installed at the output end of the driving piece II, and a second installation cavity is formed in the lower end face of the sealing seat;
the second cushion block is arranged in the second mounting cavity;
the driving piece II drives the sealing seat to move up and down, so that the cushion block II is pressed against the port III and sealed.
Preferably, the second sealing assembly facing the side of the port on the different plane on the pump body comprises:
the tooling plate is provided with the positioning die;
the positioning core shaft penetrates through the tooling plate, and the end part of the positioning core shaft is arranged in the port six of the pump body and supports the pump body;
the locking ring is fixed on the positioning mandrel;
the spring is sleeved on the positioning mandrel;
the lower end of the spring is abutted against the tooling plate, the upper end of the spring is abutted against the end face of the locking ring, the positioning core shaft is pressed to overcome the elasticity of the spring to move downwards, and the positioning die is matched with the positioning core shaft to jointly support and seal the ports of the pump body on different planes.
Preferably, the second sealing assembly further comprises a balance core shaft penetrating through the tool plate, the balance core shaft is also provided with a locking ring and a spring, the lower end of the spring abuts against the tool plate, and the upper end of the spring abuts against the end face of the locking ring;
after the pump body is arranged on the positioning die and the positioning mandrel, the upper end face of the balance mandrel is abutted against the pump body and is matched with the positioning die and the positioning mandrel to support and fix the pump body.
Preferably, the balance core shaft is provided with an installation groove at the upper end, a cushion block five is installed in the installation groove, and the cushion block five is used for abutting against the lower end face of the pump body.
Leak detection apparatus comprising:
the body is provided with two groups of leakage detection devices of the pump body side by side and is used for performing leakage detection operation on the pump body.
Compared with the prior art, the invention has the outstanding and beneficial technical effects that:
1. the invention designs a leakage detection device, a pump body is arranged on a positioning die, then the pump body is fixedly sealed by utilizing a pressing mechanism, a sealing mechanism and an inflation detection mechanism, and meanwhile, the cavity of the pump body is inflated, then the pressure of the pressure-maintained cavity is measured, the change of the air pressure within a certain time is measured and compared with a standard value, and thus whether the pump body leaks air or not is judged.
The whole work of the leakage detection device is controlled by machinery, the pump body is manually placed on the positioning die, the whole detection is convenient and fast, the detection is accurate, and the qualification rate of the pump body leaving the factory is guaranteed.
Meanwhile, the environment detection is not assisted by water, water resources are saved, the dryness and cleanness of the pump body are guaranteed, water removal treatment is not needed, and the working environment of staff is improved.
2. The elastic sealing plate is designed to abut against and fix the pump body, and the two ports of the row can be simultaneously sealed through deformation, so that the sealing effect is good, the influence of the size of the pump body or the unevenness of the contact surface is avoided, and the leak detection accuracy is ensured.
3. The first adjusting mechanism can realize the sealing and inflation of the pump body by the inflation detection mechanism by adjusting the fixed position of the adjusting rod when the pump bodies with different specifications are installed, so that the overall universality of the device is improved.
4. The second adjusting mechanism can adjust the position of the compressing rod of the compressing mechanism in compression joint with the pump body, so that stable compression and fixation of the pump bodies with different specifications are matched.
5. The positioning mandrel and the balance mandrel of the second sealing assembly are movably arranged on the tooling plate through the spring, and the surface of the pump body has height difference due to unevenness of the surface, so that after the pump body is installed, the positioning mandrel and the balance mandrel can be simultaneously abutted against and supported by the pump body through the spring, the height difference is adjusted through the spring, the pump body can be stably installed and fixed in a leakage detection device, and normal leakage detection operation is guaranteed.
6. The two sets of leak detection devices of the leak detection equipment can simultaneously perform leak detection operation on the two pump bodies, so that the leak detection rate of the equipment is improved.
Drawings
Fig. 1 is a schematic structural view of leak detection apparatus of embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a leak detection apparatus in embodiment 1 of the invention, to which a pump body is fixed.
Fig. 3 is a schematic view of the leak detection apparatus in embodiment 1 of the invention.
Fig. 4 is a schematic structural view of a pump body according to embodiment 1 of the present invention.
Fig. 5 is a schematic structural view of an inflation detection mechanism according to embodiment 1 of the present invention.
Fig. 6 is a schematic structural diagram of a second adjustment mechanism in embodiment 1 of the present invention.
Fig. 7 is a schematic structural diagram of a second sealing assembly in embodiment 1 of the present invention.
Fig. 8 is a schematic structural view of a pump body according to embodiment 2 of the present invention.
Fig. 9 is a schematic diagram of the structure of leak detection apparatus of embodiment 2 of the invention.
Fig. 10 is a schematic structural diagram of a tooling plate according to embodiment 2 of the present invention.
Fig. 11 is a schematic structural view of a pump body mounted on a positioning die according to embodiment 2 of the present invention.
Fig. 12 is a schematic structural view of a leak detection apparatus in embodiment 2 of the invention, to which a pump body is fixed.
Reference numerals:
1-body;
2-detecting the leakage of the table top;
3, positioning a mold;
4-a pump body; 41-Port one; 42-Port two; 43-Port three; 44-Port four; 45-port five; 45-port six;
5-a frame;
6-a leak detection device;
7-a sealing mechanism;
100-a pressing mechanism; 101-driving member four; 102-a hold down bar; 103-cushion block four;
200-a first seal assembly; 201-driving member one; 202-arm plate; 203-elastic sealing plate;
300-sealing component two; 301-driving element two; 302-a sealing seat; 303-installing a second cavity; 304-cushion block two; 305-tooling plate; 306-positioning the mandrel; 307-balance mandrel; 308-adjusting plate; 309-a spring; 310-a locking ring; 311-mounting grooves; 312-cushion block five; 313-a guide sleeve; 314-annular boss;
400-an inflation detection mechanism; 401-driving element three; 402-an inflatable seat; 403-channel; 404-a sealing gasket;
500-air tightness detector;
600-an adjustment mechanism one; 601-an adjusting seat; 602-adjusting rod; 603-an abutment;
700-adjusting mechanism two; 701-a guide rod; 702-a fixed seat; 703-a movable hole; 704-a bolt; 705-a screw rod; 706-handwheel.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, the leak detection apparatus includes a body 1, and a leak detection device having two sets of pump bodies is mounted on the body 1, and can work simultaneously to perform leak detection operation on two pump bodies 4. .
As shown in fig. 2 and 3, the leak detection apparatus 6 includes a frame 5, a pressing mechanism 100, a sealing mechanism 7, an inflation detection mechanism 400, and an adjustment mechanism one 600; the inflation detection mechanism 400 includes an air tightness detector 500 therein.
The sealing mechanism 7 comprises a first sealing component 200 and a second sealing component 300
The ports of the pump body 4 mainly include port one 41, port two 42, port three 43, port four 44, port five 45, and the ports are on different sides.
The machine frame 5 is arranged on the machine body 1, the bottom of the machine frame 5 is a leakage detection platform, a positioning die 3 is arranged on the leakage detection table-board 2 through a screw, and the pressing mechanism 100 is arranged on the machine frame 5 above the positioning die 3; the first sealing assembly 200 is arranged on the side surface of the positioning die 3; the second sealing assembly 300 is arranged on the frame 5 above the positioning die 3 and used for pressing the pump body 4 and sealing the third port 43; the inflation detection mechanism 400 is arranged behind the positioning die 3 and is used for abutting against the port four 44 of the pump body, sealing and inflating; the first adjusting mechanism 600 is installed in front of the positioning die 3.
The positioning die 3 is matched with the pressing mechanism 100 to fix the pump body on the leak detection platform in a compression joint mode, and the positioning die 3 and the pressing mechanism 100 are preferably arranged coaxially, so that the stability of fixing the pump body can be guaranteed.
With reference to fig. 3 and 4, a first port 41 of the pump body is installed on the leak detection table top 2 facing downward, so that the positioning die 3 is inserted into the first port 41 to realize installation and positioning of the pump body, and meanwhile, a sealing ring is further sleeved on the positioning die 3 and used for sealing the first port 41, so that the side wall of the pump body abuts against the first adjusting mechanism 600, and then the inflation detection mechanism 400 works to abut against and seal a fourth port 44 of the pump body 4; pressing mechanism 100, a seal assembly 200 and a seal assembly 300 butt corresponding position of the pump body afterwards, fix the pump body to leak hunting platform, and all seal up the port, later aerify detection mechanism 400 and begin to aerify the cavity of the pump body until reaching and setting for the atmospheric pressure, stop aerifing, get into the pressurize stage, airtight detector 500's detection port and passageway intercommunication, airtight detector 500 just can detect the atmospheric pressure in the cavity, measures the atmospheric pressure change in the specified time intracavity. And judging whether the air pressure is in a specified range or not, and further judging whether the pump body leaks air or not.
The invention designs a leakage detection device, a pump body 4 is arranged on a positioning die 3, then the pressing mechanism 100, a first sealing component 200, a second sealing component 300 and an inflation detection mechanism are utilized to fixedly seal the pump body 4, the cavity of the pump body 4 is inflated, then the air tightness detector 500 is utilized to measure the pressure of the pressure-maintained cavity, the change of the air pressure within a certain time is measured, and the change is compared with a standard value, so that whether the pump body leaks air or not is judged.
The whole work of the leakage detection device is controlled by machinery, the pump body 4 is manually placed on the positioning die 3, the whole detection is convenient and fast, the detection is accurate, and the qualification rate of the pump body leaving the factory is ensured.
Meanwhile, the environment detection is not assisted by water, water resources are saved, the dryness and cleanness of the pump body are guaranteed, water removal treatment is not needed, and the working environment of staff is improved.
It is further provided, as shown in fig. 3, that the first sealing assembly 200 facing the side of the second port (42) of the row on the pump body 4 comprises a first driving member 201, an arm plate 202 and an elastic sealing plate 203, wherein the first driving member 201 is mounted on the side plate of the frame 5, the arm plate 202 is mounted at the output end of the first driving member 201, the elastic sealing plate 203 is mounted on the arm plate 202, and the first driving member 201 drives the arm plate 202 to move, so that the elastic sealing plate 203 abuts against the side surface of the pump body 4 and simultaneously seals the second port (42) of the row.
The elastic sealing plate 203 is designed to abut against and fix the pump body 4, and the two ports 42 which are arranged in parallel can be simultaneously sealed through deformation, so that the sealing effect is good, the influence of the size of the pump body or the unevenness of a contact surface is avoided, and the leak detection accuracy is ensured.
Compare the sealing mode of original projection sealing washer, the whole plane laminating of port two 42 of the scheme of this application realizes sealedly at elastic sealing plate 203, and sealing area is big, and sealed effect is better.
The positioning die 3 is fixed through two bolts, and has the function of being convenient and adjustable in the aspect of disassembly. And meanwhile, a first cushion block is further arranged at the upper end of the positioning die 3 and is abutted against the end face in the pump body. The first cushion block can be made of rubber, and mainly plays a role in buffering to protect the integrity of the pump body 4. The damage of the pump body caused by collision is avoided.
The pump body 4 of this embodiment is shown in fig. 4.
As shown in fig. 5, the inflation detection mechanism 400 includes an airtight detector 500, a driving member three 401, an inflation seat 402 and a sealing gasket 404;
the driving part III 401 is installed on the rack 5, the inflating seat 402 is installed at the output end of the driving part III 401, and a channel 403 is formed in the inflating seat 402; a sealing gasket 404 is mounted on the end of the inflatable seat 402; the air tightness detector 500 is connected to the channel 403 through a conduit.
The driving member three 401 drives the inflating seat 402 to move, so that the sealing gasket 404 abuts against the port four 44 of the pump body and is deformed under pressure, thereby achieving the purpose of sealing the port four 44.
As shown in fig. 3, a first adjusting mechanism 600 is further mounted on the leak detection table top 2, and the first adjusting mechanism 600 includes: the adjusting seat 601 is arranged on the leakage detection table board 2; an adjusting rod 602, one end of which is formed with an abutting part 603 for abutting against the pump body 4; one end of the adjustment lever 602 is screwed to the adjustment base 601, and the fixed position of the abutment portion 603 on the adjustment base 601 is adjusted by rotating the adjustment lever 602.
The first adjusting mechanism 600 can realize the sealing and inflation of the pump body by the inflation detection mechanism 400 by adjusting the fixed position of the adjusting rod 602 when the pump bodies with different specifications are installed, so that the overall universality of the device is improved.
As shown in fig. 3 and 6, in order to cooperate with the first adjusting mechanism 600 to improve the universality of the device, a second adjusting mechanism 700 is arranged on the frame 5 above the leak detection platform, the second adjusting mechanism 700 mainly comprises two parallel guide rods 701, a fixed seat 702 is arranged on the guide rods 701, the fixed seat 702 can move on the guide rods 701, the fixed seat 702 is locked by screws, a movable hole 703 is formed in the fixed seat 702, the end of a bolt 704 penetrates through the movable hole 703 to movably mount the pressing mechanism 100 and the second sealing assembly 300 on the fixed seat 702, and the front and back positions of the pressing mechanism 100 and the second sealing assembly 300 relative to the positioning die 3 can be adjusted by adjusting the position of the bolt 704 in the movable hole 703, so that various types of pump bodies can be cooperatively detected, and the universality is improved.
The second adjusting mechanism 700 further comprises: the screw 705 is arranged on the frame 5, and the end part of the screw 705 is connected with the fixed seat 702; a hand wheel 706 is arranged at the end part of the screw rod 705; the connection between the screw 705 and the frame 5 is realized by a plane bearing, which can reduce friction, reduce abrasion and ensure the service life.
The screw 705 is mainly used for adjusting the transverse position of the pressing mechanism 100 and the second sealing assembly 300 relative to the positioning die 3, so that the accuracy of the fixing position is ensured.
With reference to fig. 1 and 3, the pressing mechanism 100 includes: a driving member IV 101; a compression rod 102 installed at the output end of the driving member IV 101; cushion block four 103, wherein the cushion block four 103 is made of rubber;
the upper end face of the pump body 4 is provided with a port five 45, the four cushion blocks 103 are installed in the port five 45, then the four driving pieces 101 drive the pressing rod 102 to move downwards, the pressing rod 102 is made to abut against the four cushion blocks 103 and the port five 45, the four cushion blocks 103 are deformed under pressure, the port five 45 is sealed and simultaneously pressed on the pump body 4, and the pump body 4 is prevented from shaking to influence the leak detection operation.
As shown in fig. 7, the second sealing assembly 300 includes a second driving element 301, a second sealing seat 302 and a second cushion block 304, the second sealing seat 302 is installed at an output end of the second driving element 301, a second installation cavity 303 is formed on a lower end surface of the second sealing seat 302, and the second cushion block 304 is installed and fixed in the second installation cavity 303.
The second driving element 301 drives the sealing seat 302 to move up and down, so that the second cushion block 304 is pressed against the third port 43 and sealed, and the fixing of the pump body and the sealing of the third port 43 are realized.
The arrangement of the elastic sealing plate, the cushion block and other components mainly aims to protect the pump body and prevent the pump body from being damaged due to collision.
Example 2:
the solution of the present embodiment is substantially the same as that of embodiment 1, and because the pump bodies are different in type, the pump body 4 of the present embodiment is shown in fig. 8.
Therefore, a new sealing assembly two 300 is designed according to the model of the pump body, and the specific scheme is as follows.
As shown in fig. 9-12, the second sealing assembly 300 includes a tooling plate 305, a positioning mandrel 306, a balancing mandrel 307, an adjustment plate 308, a plurality of springs 309, and a locking ring 310 that cooperates with the springs 309.
The tooling plate 305 is clamped on the detection table board through a bayonet lock, and is convenient to take down or install. The positioning die 3 is mounted on the tooling plate 305, the structure of the positioning die 3 is slightly changed due to the difference of the pump body, and the positioning die 3 has an increased overall height compared with the embodiment 1.
The positioning die 3 can slightly move on the tooling plate 305, so that the positioning mandrel 306 and the balance mandrel 307 are matched, and the situation that the pump body cannot be installed due to dimensional errors is avoided.
At the same time, a channel 403 can be opened in the positioning die 3, and the pump body is inflated through the positioning die 3.
The positioning mandrel 306 and the balancing mandrel 307 are arranged on the side surface of the positioning die 3 in a manner that two guide sleeves 313 are arranged on a tool plate 305, the positioning mandrel 306 and the balancing mandrel 307 are respectively arranged in different guide sleeves 313 in a penetrating manner, an adjusting plate 308 is arranged on the tool plate 305, and the lower end of the positioning mandrel 306 and the lower end of the balancing mandrel 307 are movably arranged on the adjusting plate 308 in a penetrating manner; the spring 309 is respectively sleeved on the positioning mandrel 306 and the balance mandrel 307, the lower end of the spring 309 is abutted against the adjusting plate 308, the positioning mandrel 306 and the balance mandrel 307 are respectively provided with a lock ring 310, the upper end of the spring 309 is abutted against the lock ring 310, the purpose that the spring 309 can be compressed by downward movement of the positioning mandrel 306 and the balance mandrel 307 is achieved, and the locking of the spring 309 and the positioning mandrel is achieved through screws.
The structure of the locking ring 310 is arc-shaped, which is close to circular, a bolt is arranged at the fracture, and the bolt is rotated to reduce the diameter of the locking ring 310, so as to achieve the purpose of locking on the positioning core shaft.
The lock ring 310 is designed to facilitate assembly and later maintenance and replacement.
Meanwhile, the elasticity of the spring can be adjusted by adjusting the fixed position of the locking ring 310, so that the balance of the positioning mandrel 306 and the balance mandrel 307 for supporting the pump body 4 is ensured, the pump body is horizontally fixed, and the accuracy and the tightness of sealing are ensured.
When the pump body is installed, the pump body is installed on the positioning die 3 firstly, preliminary positioning is carried out, meanwhile, the upper end of the positioning mandrel 306 is inserted into the port six 46 of the pump body, and the pump body is installed and positioned by combining the positioning die 3.
As shown in fig. 10, an annular boss 314 is formed on the outer wall of the upper end of the positioning mandrel 306, and a sealing ring is disposed on the annular boss 314, so that when the upper end of the positioning mandrel 306 is inserted into the port six 46 of the pump body, the end face of the port six 46 will abut against the annular boss 314, on one hand, the sealing effect is ensured, and on the other hand, the purpose of supporting the pump body is achieved; the upper end of the balance mandrel 307 is provided with a mounting groove 311, a fifth cushion block 312 is mounted in the mounting groove 311, and the fifth cushion block 312 is used for abutting against the lower end face of the pump body 4. The cushion block five 312 is made of rubber, flexible abutting of the cushion block five and the pump body is achieved, and the pump body is protected.
The positioning mandrel 306 and the balance mandrel 307 of the second sealing assembly 300 are movably arranged on the tooling plate 305 through the spring 309, and the surface has height difference due to unevenness of the surface of the pump body, so that after the pump body is installed, the positioning mandrel 306 and the balance mandrel 307 can be abutted against the pump body through the spring 309, and the height difference is compensated through the spring 309, so that the pump body can be stably installed and fixed in a leak detection device, and normal leak detection operation is ensured.
The positioning mandrel 306, the balance mandrel 307 and the positioning die 3 jointly support the pump body 4 to form three-point support, so that the stability of fixing the pump body 4 is ensured, and the fixed horizontality of the pump body 4 can be ensured.
The foregoing shows and describes the general principles and broad features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A leak detection device for a pump body, comprising:
a leakage detection table top (2);
the positioning die (3) is arranged on the leakage detection table top (2) and is used for mounting the pump body (4) and sealing a first port (41) on the lower side of the pump body (4);
the pressing mechanism (100) is arranged above the positioning die (3) and is used for pressing the upper end face of the pump body (4);
the sealing mechanism (7) comprises a plurality of sealing components which are respectively arranged on the side surface of the positioning die (3) and are used for respectively sealing ports on each side surface of the pump body (4);
the inflation detection mechanism (400) is arranged on the leakage detection table top (2), is used for abutting against one port of the sealed pump body (4), inflates the cavity in the pump body (4), and detects the air pressure of the cavity in the pump body (4);
the sealing assembly I (200) facing one side of the second port (42) of the row on the pump body (4) comprises a driving piece I (201), an arm plate (202) and an elastic sealing plate (203), the arm plate (202) is installed at the output end of the driving piece I (201), the elastic sealing plate (203) is installed on the arm plate (202), and the driving piece I (201) drives the arm plate (202) to move, so that the elastic sealing plate (203) abuts against the second port (42) of the row on the pump body (4) and is sealed.
2. Leak detection apparatus for a pump body according to claim 1,
still install adjustment mechanism one (600) on leak hunting mesa (2), this adjustment mechanism one (600) includes:
the adjusting seat (601) is arranged on the leakage detection table board (2);
an adjusting rod (602), one end of which is formed with an abutting part (603) for abutting against the pump body (4);
one end of the adjusting rod (602) is connected to the adjusting seat (601) through a screw thread, and the fixed position of the abutting part (603) on the adjusting seat (601) is adjusted through rotating the adjusting rod (602).
3. Leak detection apparatus for a pump body according to claim 1,
the pressing mechanism (100) includes:
a driving member four (101);
the pressing rod (102) is installed at the output end of the driving piece four (101);
cushion block four (103);
the upper end face of the pump body (4) is provided with a port five (45), the cushion block four (103) is installed in the port five (45), the driving piece four (101) drives the pressing rod (102) to move downwards, the pressing rod (102) is enabled to abut against the cushion block four (103) and the port five (45), and the port five (45) is sealed and the pump body (4) is pressed.
4. Leak detection apparatus for a pump body according to claim 3,
leak hunting mesa (2) top is installed adjustment mechanism two (700), and adjustment mechanism two (700) include:
a guide rod (701);
a fixing base (702) mounted on the guide bar (701);
the fixed seat (702) is provided with a movable hole (703), the end part of the bolt (704) penetrates through the movable hole (703) to be connected with the end part of the driving part four (101), and the front and back positions of the driving part four (101) relative to the positioning die (3) are adjusted by adjusting the position of the bolt (704) in the movable hole (703).
5. Leak detection apparatus for a pump body according to claim 4,
the second adjustment mechanism (700) further comprises:
the screw rod (705) is arranged on the rack (5), and the end part of the screw rod is connected with the fixed seat (702);
a hand wheel (706) mounted on the end of the screw rod (705);
the position of the drive member four (101) is laterally adjusted by turning the lead screw (705) with the hand wheel (706).
6. Leak detection apparatus for a pump body according to any one of claims 1 to 5,
the second seal assembly (300) comprises:
a second driver (301);
the sealing seat (302) is installed at the output end of the driving piece II (301), and a second installation cavity (303) is formed in the lower end face of the sealing seat (302);
a second cushion block (304) which is arranged in the second mounting cavity (303);
the driving piece II (301) drives the sealing seat (302) to move up and down, so that the cushion block II (304) is pressed against the port III (43) and is sealed.
7. Leak detection apparatus for a pump body according to any one of claims 1 to 5,
the second sealing component (300) facing the side of the port (42) on the different planes on the pump body (4) comprises:
a tooling plate (305) on which the positioning die (3) is mounted;
the positioning mandrel (306) penetrates through the tooling plate (305), and the end part of the positioning mandrel is arranged in the port six (46) of the pump body (4) and supports the pump body (4);
a lock ring (310) fixed to the positioning mandrel (306);
a spring (309) sleeved on the positioning mandrel (306);
the lower end of the spring (309) abuts against the tooling plate (305), the upper end of the spring (309) abuts against the end face of the locking ring (310), the positioning core shaft (306) is pressed to overcome the elastic force of the spring (309) to move downwards, and the positioning die (3) is matched with the positioning core shaft (306) to support and seal ports of the pump body (4) on different planes together.
8. Leak detection apparatus for a pump body according to claim 7, wherein:
the second sealing assembly (300) further comprises a balance core shaft (307) arranged on the tool plate (305) in a penetrating mode, a lock ring (310) and a spring (309) are also arranged on the balance core shaft (307), the lower end of the spring (309) abuts against the tool plate (305), and the upper end of the spring (309) abuts against the end face of the lock ring (310);
after the pump body (4) is arranged on the positioning die (3) and the positioning mandrel (306), the upper end face of the balance mandrel (307) is abutted against the pump body (4) and matched with the positioning die (3) and the positioning mandrel (306) to support and fix the pump body (4).
9. Leak detection apparatus for a pump body according to claim 8, wherein:
the upper end of the balance core shaft (307) is provided with a mounting groove (311), a fifth cushion block (312) is mounted in the mounting groove (311), and the fifth cushion block (312) is used for abutting against the lower end face of the pump body (4).
10. Leak detection apparatus, comprising:
machine body (1), two sets of pump body leakage detection devices according to any one of claims 1-9 being arranged side by side on the machine body (1) for performing leakage detection operation on the pump body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110601219.7A CN113250949A (en) | 2021-05-31 | 2021-05-31 | Leak detection device and leak detection equipment of pump body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110601219.7A CN113250949A (en) | 2021-05-31 | 2021-05-31 | Leak detection device and leak detection equipment of pump body |
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| CN113250949A true CN113250949A (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110601219.7A Pending CN113250949A (en) | 2021-05-31 | 2021-05-31 | Leak detection device and leak detection equipment of pump body |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136608A (en) * | 2021-12-17 | 2022-03-04 | 重庆百吉四兴压铸有限公司 | Pressure test system |
| CN114215737A (en) * | 2021-12-17 | 2022-03-22 | 重庆百吉四兴压铸有限公司 | Oil pump quality detection system |
| CN114439731A (en) * | 2021-12-30 | 2022-05-06 | 武汉亿贝达科技有限公司 | Leak detection method for KY molecular pump unit vacuum system |
| CN116337363A (en) * | 2023-05-11 | 2023-06-27 | 兰州工业学院 | Detection device and detection method for pump body shell production |
-
2021
- 2021-05-31 CN CN202110601219.7A patent/CN113250949A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136608A (en) * | 2021-12-17 | 2022-03-04 | 重庆百吉四兴压铸有限公司 | Pressure test system |
| CN114215737A (en) * | 2021-12-17 | 2022-03-22 | 重庆百吉四兴压铸有限公司 | Oil pump quality detection system |
| CN114215737B (en) * | 2021-12-17 | 2023-10-13 | 重庆百吉四兴压铸有限公司 | Oil pump quality detection system |
| CN114439731A (en) * | 2021-12-30 | 2022-05-06 | 武汉亿贝达科技有限公司 | Leak detection method for KY molecular pump unit vacuum system |
| CN116337363A (en) * | 2023-05-11 | 2023-06-27 | 兰州工业学院 | Detection device and detection method for pump body shell production |
| CN116337363B (en) * | 2023-05-11 | 2023-09-26 | 兰州工业学院 | Detection device for pump body shell production |
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