CN114739579A - Automatic detection device of water pump - Google Patents

Abstract

The invention discloses an automatic detection device of a water pump, which relates to the field of water pump detection and solves the problems that after manual feeding detection, an automatic detection device of the existing water pump needs workers to wait for a period of time and then unload materials, the time interval during the period is short, and the workers are difficult to finish other work, so that the work efficiency of the workers is reduced. The feeding and discharging of a plurality of water pumps can be completed at one time, the operation frequency of people is reduced, and the use of workers is facilitated.

Description

An automatic detection device for a water pump

technical field

The invention relates to the technical field of water pump detection, in particular to an automatic detection device of a water pump.

Background technique

The engine water pump is installed at the water outlet of the engine. The conventional water pump structure includes the water pump housing, pulley, shaft bearing, impeller and water seal. It is driven to rotate together, and is thrown to the edge of the water pump shell under the action of centrifugal force, and at the same time generates a certain pressure, and then flows out from the water outlet or water pipe to achieve cooling and heat dissipation. The water seal moving ring and the bearing are installed between the impeller and the bearing through an interference fit, and the water seal static ring is installed on the casing of the water pump to prevent the coolant from entering the bearing cavity and destroy the lubrication of the bearing and cause the parts to rust. Therefore, Before the pump assembly is completed, the air tightness test of the water pump housing die-casting is required to detect whether there are trachoma, cracks and pores, so as to prevent the water pump from leaking during operation and affecting the normal operation of the engine.

The traditional air tightness test is manually operated. The operator places the die-casting part of the pump casing on the test table, locates it through the installation hole on the water pump and the positioning pin in the test table, and uses the cylinder to push the pressure rod down. Simultaneously ventilate the side for air tightness testing.

Since the connection method of mounting holes and positioning pins is used in the testing process, the positioning time is long. The staff needs to place the water pump to be tested on the testing table and then start the testing device, and then remove the water pump after the testing device is completed. , put the next water pump to be tested, and cycle like this. Since it takes a long time to detect inflation, the required time varies from 20s to 100s. The staff needs to wait for this period of time after each feeding is completed. The length of time is difficult to ensure that the staff can effectively rest and engage in other work. The staff waits so much that the operation efficiency is low, and the detection efficiency is greatly reduced. For this reason, we propose an automatic detection device for water pumps.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an automatic detection device for a water pump that is convenient for automatic loading and unloading, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: an automatic detection device for a water pump, comprising a body, an automatic feeding device and an automatic unloading device, the body is fixedly connected with a telescopic rod, and the output end of the telescopic rod is An inflatable tube connected to the body is fixedly connected, and the automatic feeding device is installed on the body to store a certain number of water pump shells to be tested at the same time, and rotate the device every time the inflatable tube is lifted. The next water pump shell to be tested is transported to the body for testing at a fixed angle. The automatic unloading device is installed on the body to complete the detection after the automatic feeding device moves to the designated position. The pump shell is removed from the automatic feeding device. By setting the automatic feeding device and the automatic unloading device, it is convenient for workers to complete other work or one-time after completing the feeding of multiple water pump shells at one time. Resting for a period of time avoids the need for workers to continue working in short intervals and at the same time, the efficiency is also improved. The device is simple and convenient to operate, and can complete the loading and unloading of multiple pumps at one time, reducing the frequency of people's operation and making it more convenient for workers. use.

Preferably, the automatic feeding device includes a fixed shaft that is fixedly connected to the body, a feeding tray is rotatably connected to the fixed shaft, a plurality of lifting grooves are opened on the feeding tray, and the lifting grooves are slidably connected. There is a lifting block, the bottom surface of the lifting block is fixedly connected with a first spring fixedly connected with the lifting groove, a tray is fixedly connected to the lifting block, and the tray is provided with a limit for the water pump during feeding , after the detection, the limit device for limiting the position of the water pump so that it can be unloaded is released, and the body is provided with a set angle for linking the feeding tray to rotate each time the inflation tube is lifted, so that the next said The linkage device that the tray rotates to the detection position is convenient for feeding and transporting the water pump shell to be tested in advance.

Preferably, the limiting device includes a fixing rod fixedly installed at the bottom of the lifting groove, a first device groove is opened in the tray, a second spring is fixedly connected in the first device groove, and the second The spring is fixedly connected with a lift plate which is slidably connected with the first device slot, the top surface of the lift plate is fixedly connected with a plurality of positioning pins, and the plurality of positioning pins pass through the upper side of the tray and are connected with the The trays are slidably connected, and the lifting plate is provided with the positioning pins for receiving the positioning pins into the first device grooves after the air tube presses down the trays for detection, and releases the limit of the water pump so that the material can be unloaded. The adjustment part is convenient to limit the water pump when feeding, and release the limit of the water pump after detection so that it can be unloaded.

Preferably, the adjusting member includes a first stopper fixedly mounted on the side surface of the fixing rod, a first chute is provided on the lift plate, and a third spring is fixedly connected in the first chute, and the The third spring is fixedly connected with a second stopper which is slidably connected to the first chute, so that the positioning pin can be received into the first device slot after the inflatable tube is pressed down on the tray for detection, and the water pump can be released from the limit. Blanking.

Preferably, the linkage device includes a fixed tube fixedly installed on the body for storing liquid, the inner wall of the fixed tube is slidably connected with a detection seat, and the bottom surface of the detection seat is fixedly connected with the body. The fourth spring, the side of the body is fixedly connected with a communication pipe that communicates with the fixed pipe, and a sliding rod is slidably connected in the communication pipe, and the sliding rod is provided with a mechanism for driving the feeding tray to rotate. The driving part is convenient for linking the feeding tray to rotate to set the angle every time the inflation tube is lifted, so that the next tray rotates to the detection position.

Preferably, the driving member includes a gear plate fixedly mounted on the bottom of the feeding plate, a plurality of second chutes are opened on the sliding rod, and fifth runners are fixedly connected to the plurality of second chutes. The fifth spring is fixedly connected with a helical gear block slidably connected with the second chute, which is convenient for driving the gear plate to rotate in one direction.

Preferably, the automatic unloading device includes a slider fixedly connected to both sides of the lifting block, the slider is slidably connected to the lifting groove, and a telescopic tube for storing liquid is fixedly connected to the bottom of the slider , the bottom of the telescopic tube is fixedly connected with the lifting groove, the side surface of the telescopic tube is slidably connected with the lifting groove, the lifting block is provided with a second device slot, and the body is fixedly connected with a device for collecting The collection box of the water pump shell after the detection is completed, the body is fixedly connected with a laser engraving pen for marking unqualified water pumps, and the second device slot is provided with a push-out piece for pushing out the tested water pump shell, which is convenient for Carry out automatic unloading.

Preferably, the push piece includes a push block slidably connected to the second device slot, and elastic pieces fixedly connected to the second device slot are fixedly connected on both sides of the push block, and inside the slider There is a connecting pipe that communicates with the telescopic pipe and the second device slot, and the lifting block is provided with a limit for the push block when the lifting block moves down, and the feeding block is After the disc is rotated to the designated position, the limiter for ejecting the push block is released, so that the water pump that has been tested is pushed out.

Preferably, the limiting member includes a clamping block slidably connected to the second device slot, a clamping groove is provided at the top of the push block to be clamped with the clamping block, and the top end of the clamping block is fixedly connected There is a sixth spring fixedly connected with the second device slot, a tilting rod is rotatably connected in the second device slot, and one end of the tilting rod penetrates the upper end of the clamping block and is inserted into the clamping block Then, the fixed shaft is fixedly connected with a toggle rod for flipping the tilting rod, so as to facilitate unloading after the water pump that has been detected reaches a designated position.

Compared with the prior art, the beneficial effects of the present invention are:

The invention solves the problem that the automatic detection device of the existing water pump requires workers to wait for a period of time before unloading after manual feeding detection, and the time interval is short, and it is difficult for workers to complete other work and reduce the work efficiency of people. The feeding device and the automatic feeding device are convenient for workers to complete other work or take a break for a period of time after completing the feeding of multiple water pump shells at one time, which avoids the need for workers to continue working in short intervals and improves the efficiency. The device is simple and convenient to operate, can complete the feeding and unloading of multiple pumps at one time, reduces the frequency of people's operation, and is convenient for workers to use.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is an enlarged view of area A in Fig. 1;

Fig. 3 is the structural schematic diagram of the automatic feeding device of the present invention;

4 is a schematic structural diagram of a linkage device of the present invention;

Fig. 5 is the enlarged view of B region in Fig. 4;

6 is a schematic structural diagram of the limiting device of the present invention;

Fig. 7 is the structure schematic diagram of the automatic feeding device of the present invention;

Fig. 8 is an enlarged view of C region in Fig. 7;

FIG. 9 is a sectional view of the structure of the automatic blanking device of the present invention;

Fig. 10 is the enlarged view of D area in Fig. 9;

Figure 11 is a schematic diagram of the structure of the push-out piece of the present invention;

FIG. 12 is an enlarged view of the E region in FIG. 11 .

In the figure: 1- body; 2- telescopic rod; 3- inflation tube; 4- automatic feeding device; 5- automatic unloading device; 6- fixed shaft; 7- feeding tray; 8- lifting groove; 9- lifting block; 10-first spring; 11-tray; 12-limiting device; 13-linkage device; 14-fixing rod; 15-first device slot; 16-second spring; 17-lifting plate; 18-positioning pin ;19-adjustment piece;20-first stopper;21-first chute;22-third spring;23-second stopper;24-fixed pipe;25-detection seat;26-fourth spring;27 -Connecting pipe; 28-Driver; 29-Gear plate; 30-Second chute; 31-Fifth spring; 32-Helical gear block; 33-Slider; 36-collection box; 37-laser engraving pen; 38-pushing piece; 39-push block; 40-elastic piece; 41-connecting pipe; 42-limiting piece; 43-block; 44-card slot; 45-section Six springs; 46-tilt rod; 47-toggle rod; 48-slider rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

Please refer to Figures 1 to 3. An automatic detection device for a water pump in the figure includes a body 1, an automatic feeding device 4 and an automatic feeding device 5. A telescopic rod 2 is fixedly connected to the body 1. The output end is fixedly connected with an inflatable tube 3 connected to the body 1, and the automatic feeding device 4 is installed on the body 1 to store a certain number of water pump shells to be tested at the same time, and rotate every time the inflation tube 3 is lifted The set angle will transport the next water pump shell to be tested to the body 1 for testing. The automatic unloading device 5 is installed on the body 1, and is used to link the detection completed after the automatic feeding device 4 moves to the designated position. The water pump housing is removed from the automatic feeding device 4 .

Please refer to FIG. 4 to FIG. 6 , the automatic feeding device 4 in the figure includes a fixed shaft 6 fixedly connected with the body 1 , and a feeding tray 7 is rotatably connected to the fixed shaft 6 , and a plurality of lifts are opened on the feeding tray 7 Slot 8, a lifting block 9 is slidably connected in the lifting groove 8, the bottom surface of the lifting block 9 is fixedly connected with a first spring 10 fixedly connected with the lifting groove 8, a tray 11 is fixedly connected to the lifting block 9, and the tray 11 is provided with a Limit the water pump during feeding, and release the limiting device 12 after the detection to allow the water pump to be unloaded. The body 1 is provided with a setting for linking the feeding plate 7 to rotate every time the inflation tube 3 is lifted. The angle causes the next tray 11 to rotate to the linkage 13 of the detection position.

Please refer to FIG. 9 to FIG. 12 , the limiting device 12 in the figures includes a fixing rod 14 fixedly installed at the bottom of the lifting slot 8 , a first device slot 15 is opened in the tray 11 , and a first device slot 15 is fixedly connected to the first device slot 15 . Two springs 16 , the second spring 16 is fixedly connected with a lifting plate 17 that is slidingly connected with the first device slot 15 , and a plurality of positioning pins 18 are fixedly connected to the top surface of the lifting plate 17 , and the plurality of positioning pins 18 penetrate through the upper surface of the tray 11 . side and slidingly connected with the tray 11, the lifting plate 17 is provided with a positioning pin 18 for receiving the positioning pin 18 into the first device slot 15 after the air tube 3 presses the tray 11 for detection, and releases the limit of the water pump so that it can be unloaded. Adjuster 19.

Please refer to FIGS. 11-12 , the adjusting member 19 in the figure includes a first stopper 20 fixedly installed on the side of the fixing rod 14 , a first chute 21 is opened on the lifting plate 17 , and the first chute 21 is fixedly connected inside There is a third spring 22 , and the third spring 22 is fixedly connected with a second block 23 slidably connected with the first chute 21 .

In this embodiment, a plurality of die-casting parts of the water pump casing to be tested are placed on the tray 11, the positions of the installation holes are aligned with the positions of the positioning pins 18 for plug-in installation, and the telescopic rods 2 on the body 1 are activated, and the telescopic rods 2 Push the inflation tube 3 down to push down the water pump housing to inflate, and push the tray 11 down to drive the lifting block 9 to compress the first spring 10. At this time, the slope of the second stopper 23 will match the slope of the first stopper 20. Contact and slide, push the second block 23 to slide into the first chute 21 and compress the third spring 22 until the second block 23 moves to the position below the first block 20. After the detection is completed, the telescopic rod 2 drives the inflation tube 3 Lift up to release the pressure on the water pump. Under the thrust of the first spring 10, the lifting block 9 moves up, which drives the tray 11 to move up. At this time, the tray 11 returns to its original position, but the first stopper 20 will block it. The second stopper 23 makes the lift plate 17 blocked, the second spring 16 is compressed, the lift plate 17 is positioned at the lower end of the first device slot 15, and the positioning pin 18 is retracted into the first device slot 15 and no longer protrudes. Limit the water pump shell, so as to facilitate the automatic unloading device 5 to remove the completed water pump from the tray 11, and at the same time, when the telescopic rod 2 is lifted, the linkage device 13 will drive the feeding tray 7 around the fixed axis. 6 Rotate the set angle, turn away the water pump that has been tested, and turn the next water pump to be tested to the bottom of the telescopic rod 2. After that, the telescopic rod 2 can be pressed again to complete the test. For testing, when the worker comes over after a period of time and puts the water pump to be tested on the empty pallet 11 again, after the water pump on the pallet 11 is unloaded by the automatic unloading device 5, the downward pressure on the pallet 11 decreases, and it will move up again. At this time, the first stopper 20 is not enough to block the second stopper 23, so that the lift plate 17 moves up during the upward movement of the tray 11, and the slope of the first stopper 20 pushes the second stopper 23 to compress After the third spring 22, the second block 23 slides to the top of the first block 20, the second spring 16 rebounds, and pushes the lifting plate 17 to the upper end position of the first device slot 15. At this time, the positioning pin 18 extends out of the A device slot 15 is convenient for subsequent people to place the water pump to be tested on the tray 11 for positioning.

Example 2

Please refer to FIG. 4 to FIG. 6 to describe Embodiment 2. This embodiment further describes Embodiment 1. The linkage device 13 in the figure includes a fixed tube 24 that is fixedly installed on the body 1 for storing liquid. The inner wall is slidably connected with a detection seat 25, the bottom surface of the detection seat 25 is fixedly connected with a fourth spring 26 that is fixedly connected with the body 1, and the side surface of the body 1 is fixedly connected with a communication pipe 27 that communicates with the fixed pipe 24, and the communication pipe 27 slides inside. A sliding rod 48 is connected, and the sliding rod 48 is provided with a driving member 28 for driving the feeding tray 7 to rotate.

Please refer to FIG. 4 to FIG. 5 , the driving member 28 in the figure includes a gear plate 29 fixedly installed on the bottom of the feeding plate 7 , and a plurality of second sliding grooves 30 are opened on the sliding rod 48 . The plurality of second sliding grooves 30 A fifth spring 31 is fixedly connected inside, and the fifth spring 31 is fixedly connected with a helical gear block 32 slidably connected with the second chute 30 .

In this embodiment, when the telescopic rod 2 pushes the inflation tube 3 down for inflation detection, it will push the water pump housing so that the tray 11 moves down a certain distance, the tray 11 moves down and pushes the detection base 25 down to compress the fourth spring 26, and the fixed tube The liquid in 24 is squeezed into the communication pipe 27, pushing the sliding rod 48 to slide out of the communication pipe 27, at this time, the inclined surface of the helical gear block 32 will contact the gear plate 29, and the gear plate 29 will continuously push the helical gear block 32 to slide into the second. The chute 30 compresses the fifth spring 31. When the detection is completed, the telescopic rod 2 is retracted, and the fourth spring 26 rebounds, so that the liquid in the communication pipe 27 is input into the fixed pipe 24, and the sliding rod 48 moves in the opposite direction, driving the helical gear block. 32 Pull the gear plate 29, so that the gear plate 29 rotates a certain angle, so that the detected water pump casing is rotated out of the detection seat 25, and the next water pump casing to be detected is rotated to the detection seat 25 for detection.

Example 3

Please refer to FIG. 1-FIG. 2 and FIG. 7-FIG. 8 to illustrate Embodiment 3. This embodiment further describes Embodiment 1. The automatic unloading device 5 in the illustration includes a slider that is fixedly connected to both sides of the lifting block 9 33. The sliding block 33 is slidably connected with the lifting groove 8, the bottom of the sliding block 33 is fixedly connected with a telescopic tube 34 for storing liquid, the bottom of the telescopic pipe 34 is fixedly connected with the lifting groove 8, and the side of the telescopic pipe 34 slides with the lifting groove 8 Connection, the lifting block 9 is provided with a second device slot 35, the body 1 is fixedly connected with a collection box 36 for collecting and testing the completed water pump shell, and the body 1 is fixedly connected with a laser engraving pen 37 for marking unqualified water pumps, The second device groove 35 is provided with a push-out member 38 for pushing out the tested water pump housing.

Please refer to FIGS. 7-8 , the push-out member 38 in the figure includes a push block 39 slidably connected to the second device slot 35 , and elastic members fixedly connected to the second device slot 35 are fixedly connected to both sides of the push block 39 . 40. The sliding block 33 is provided with a connecting pipe 41 that communicates with the telescopic pipe 34 and the second device slot 35, and the lifting block 9 is provided with a position limit for the push block 39 when the lifting block 9 moves down, and the material is loaded. After the disk 7 is rotated to the designated position, the limiting member 42 for ejecting the push block 39 is released.

Please refer to FIGS. 1 to 2 and 9 to 12. The limiting member 42 in the illustration includes a locking block 43 that is slidably connected to the second device slot 35. The top end of the push block 39 is provided with a locking block 43 that is engaged with the locking block 43. The top end of the clamping block 43 is fixedly connected with the sixth spring 45 which is fixedly connected with the second device slot 35, and the second device slot 35 is rotatably connected with a tilting rod 46, and one end of the tilting rod 46 penetrates the end of the clamping block 43. The upper end is inserted into the clamping block 43 , and the fixed shaft 6 is fixedly connected with a toggle rod 47 for flipping the tilting rod 46 .

In this embodiment, when the telescopic rod 2 pushes the inflation tube 3 down for inflation detection, it will push the water pump housing so that the tray 11 moves down a certain distance, and the lifting block 9 moves down to drive the slider 33 to move down to compress the telescopic tube 34, so that the telescopic tube 34 is compressed. The liquid in the tube 34 is filled into the second device groove 35 to push the push block 39 to slide into the second device groove 35, the elastic member 40 (such as a tension spring, elastic rope, etc.) is stretched, and the card groove 44 slides to the block When the 43 is down, it is clamped and limited by the clamping block 43. When the detection is completed, the telescopic rod 2 is lifted up, the push block 39 is always limited by the clamping block 43, and the feeding tray 7 is rotated by a certain angle. When the toggle lever 47 is touched, the tilt lever 46 is pushed during the rotation, and the tilt block 43 moves upward to compress the sixth spring 45 , thereby releasing the insertion of the card slot 44 , and the push block 39 is subject to the elastic member 40 . The reset action quickly slides out of the second device slot 35, and hits the water pump housing that has been detected, so that the water pump housing slides from the tray 11 into the collection box 36 for collection, and resets from the back push block 39 and the tilting rod 46, The top of the push block 39 is made of rubber to prevent the water pump from being damaged. During the detection process, when the air tightness of the water pump casing is unqualified, the laser engraving pen 37 will be activated, and the unqualified water pump casing will be engraved on the surface. Marking, the worker can separate the qualified water pump and the unqualified water pump when cleaning the collection box 36 later.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

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

Claims (9)

1. an automatic detection device of a water pump, is characterized in that, comprises: A body (1), a telescopic rod (2) is fixedly connected to the body (1), and an inflatable tube (3) connected to the body (1) is fixedly connected to the output end of the telescopic rod (2); Also includes: An automatic feeding device (4), which is installed on the body (1), is used to store a certain number of water pump casings to be tested at the same time, and the charging pipe (3) is installed at each Rotate the set angle during the first lift to transport the next water pump shell to be tested to the body (1) for testing; An automatic unloading device (5), the automatic unloading device (5) is installed on the body (1), and is used to link the water pump that will be detected after the automatic loading device (4) moves to a designated position The casing is removed from the automatic feeding device (4). 2. The automatic detection device of a water pump according to claim 1, characterized in that: the automatic feeding device (4) comprises a fixed shaft (6) fixedly connected with the body (1), and the fixed A feeding tray (7) is rotatably connected to the shaft (6), a plurality of lifting grooves (8) are opened on the feeding tray (7), and a lifting block (9) is slidably connected in the lifting groove (8). , the bottom surface of the lifting block (9) is fixedly connected with a first spring (10) fixedly connected with the lifting groove (8), the lifting block (9) is fixedly connected with a tray (11), the tray (11) is provided with a limiting device (12) for limiting the water pump during feeding, and releasing the limiting device (12) after the detection so that the water pump can be discharged. Each time the tube (3) is lifted up, a linkage device (13) is linked to rotate the feeding tray (7) to a set angle so that the next tray (11) rotates to the detection position. 3. An automatic detection device for a water pump according to claim 2, characterized in that: the limiting device (12) comprises a fixing rod (14) fixedly installed at the bottom of the lifting groove (8), the A first device slot (15) is opened in the tray (11), a second spring (16) is fixedly connected in the first device slot (15), and the second spring (16) is fixedly connected with the first device slot (15). A lift plate (17) slidably connected to the device slot (15), a plurality of positioning pins (18) are fixedly connected to the top surface of the lift plate (17), and the plurality of positioning pins (18) all penetrate the tray The upper side of (11) is slidably connected with the tray (11). The positioning pin (18) is received into the first device groove (15), and the adjusting member (19) that limits the position of the water pump so that the material can be unloaded is released. 4. An automatic detection device for a water pump according to claim 3, characterized in that: the adjusting member (19) comprises a first stopper (20) fixedly installed on the side surface of the fixing rod (14), so The lift plate (17) is provided with a first chute (21), a third spring (22) is fixedly connected in the first chute (21), and the third spring (22) is fixedly connected with the The second block (23) that is slidably connected to the first chute (21). 5. The automatic detection device of a water pump according to claim 4, characterized in that: the linkage device (13) comprises a fixed pipe (24) fixedly installed on the body (1) for storing liquid, A detection seat (25) is slidably connected to the inner wall of the fixing tube (24), and a fourth spring (26) fixedly connected to the body (1) is fixedly connected to the bottom surface of the detection seat (25). The side surface of (1) is fixedly connected with a communication pipe (27) that communicates with the fixed pipe (24), and a sliding rod (48) is slidably connected in the communication pipe (27), and the sliding rod (48) is connected to the sliding rod (48). A driving member (28) for driving the feeding tray (7) to rotate is provided. 6 . The automatic detection device for a water pump according to claim 5 , wherein the driving member ( 28 ) comprises a gear plate ( 29 ) fixedly mounted on the bottom of the feeding plate ( 7 ), and the The sliding rod (48) is provided with a plurality of second sliding grooves (30), a fifth spring (31) is fixedly connected in the plurality of the second sliding grooves (30), and the fifth spring (31) is fixed A helical gear block (32) slidably connected with the second chute (30) is connected. 7. The automatic detection device of a water pump according to claim 4, characterized in that: the automatic feeding device (5) comprises a slider (33) fixedly connected to both sides of the lifting block (9), The sliding block (33) is slidably connected with the lifting groove (8), the bottom of the sliding block (33) is fixedly connected with a telescopic tube (34) for storing liquid, and the bottom of the telescopic pipe (34) is connected with the telescopic pipe (34). The lifting groove (8) is fixedly connected, the side surface of the telescopic tube (34) is slidably connected with the lifting groove (8), and a second device groove (35) is opened in the lifting block (9). The body (1) is fixedly connected with a collection box (36) for collecting and testing the completed water pump shell, and a laser engraving pen (37) for marking unqualified water pumps is fixedly connected to the body (1). The device groove (35) is provided with a push-out member (38) for pushing out the tested water pump casing. 8 . The automatic detection device for a water pump according to claim 7 , wherein the push-out member ( 38 ) comprises a push block ( 39 ) slidably connected with the second device groove ( 35 ), and the Both sides of the push block (39) are fixedly connected with elastic pieces (40) fixedly connected with the second device slot (35), and the slider (33) is provided with the telescopic tube (34) and The second device slots (35) are all connected with connecting pipes (41), and the lifting block (9) is provided with a connecting pipe (41) for limiting the push block (39) when the lifting block (9) moves down. After the feeding tray (7) is rotated to the designated position, the limiting member (42) for ejecting the push block (39) is released. 9 . The automatic detection device for a water pump according to claim 8 , wherein the limiting member ( 42 ) comprises a clamping block ( 43 ) slidably connected with the second device groove ( 35 ), so that the The top end of the push block (39) is provided with a clamping slot (44) that is engaged with the clamping block (43), and the top end of the clamping block (43) is fixedly connected with the second device slot (35) The sixth spring (45) is fixedly connected, a tilting rod (46) is rotatably connected in the second device slot (35), and one end of the tilting rod (46) penetrates the upper end of the clamping block (43), and A toggle rod (47) used to toggle the tilting rod (46) is fixedly connected to the fixed shaft (6).

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