CN106938386B - Pressure relief valve hole steel ball spring press-fit device and working method thereof - Google Patents
Pressure relief valve hole steel ball spring press-fit device and working method thereof Download PDFInfo
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- CN106938386B CN106938386B CN201710267584.2A CN201710267584A CN106938386B CN 106938386 B CN106938386 B CN 106938386B CN 201710267584 A CN201710267584 A CN 201710267584A CN 106938386 B CN106938386 B CN 106938386B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to a pressure relief valve hole steel ball spring press-fit device and a working method thereof, and the pressure relief valve hole steel ball spring press-fit device comprises a rack, wherein a fixed seat used for positioning an aluminum pump cover, a pressing device arranged above the fixed seat and used for pressing the aluminum pump cover, a steel ball spring press-fit device, a small steel ball conveying device, a large steel ball conveying device and a spring conveying device are arranged on the rack; the output end of the large steel ball conveying device is connected with the large steel ball inlet; spring conveyor includes a spring vibration dish, gets the material seat and gets the mechanism by the clamp, spring vibration dish gets material seat conveying spring to getting, it gets the spring clamp that the mechanism will get on the material seat and get to the spring entry to get the material seat to get the mechanism by the clamp. The automatic assembling device can realize the automatic assembly of the steel ball spring of the pressure relief valve hole of the aluminum pump cover, has high installation speed and labor saving, and effectively reduces the labor intensity of workers.
Description
The technical field is as follows:
the invention relates to a steel ball spring press-fit device for a pressure relief valve hole and a working method of the steel ball spring press-fit device.
The background art comprises the following steps:
the air passage of the aluminum pump cover pressure release valve consists of a counter bore which longitudinally penetrates through the aluminum pump cover, a pore passage which obliquely penetrates through the aluminum pump cover from the side part of the periphery of the aluminum pump cover, and a second pore passage which penetrates through the other side of the aluminum pump cover, is connected with the counter bore and the pore passage in the aluminum pump cover. The aluminum pump cover pressure release valve is formed by placing steel balls or steel balls in a pore passage after the pore passage is expanded, pressing a spring on the steel balls to enable the steel balls to block the pore passage of a column, and blocking a plugging block at the expanded hole and the port of a second pore passage.
When the steel balls and the springs are installed on the aluminum pump cover, the traditional method adopts a manual mode for installation, the installation speed is low, and the efficiency is not high; meanwhile, the steel balls and the springs need a certain force to be installed so that the steel balls can be pressed into the pore channels, and after the steel balls are installed for a long time, workers are labored and the situation that the steel balls are not installed in place easily occurs.
The invention content is as follows:
aiming at the defects, the invention provides the steel ball spring press-fit device for the pressure relief valve hole of the aluminum pump cover, which has the advantages of high installation speed, labor saving and capability of effectively improving the production efficiency, and the working method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that: a steel ball spring press-fit device for a pressure relief valve hole comprises a rack, wherein a fixed seat used for positioning an aluminum pump cover, a pressing device arranged above the fixed seat and used for pressing the aluminum pump cover, a steel ball spring press-fit device, a small steel ball conveying device, a large steel ball conveying device and a spring conveying device are arranged on the rack, the steel ball spring press-fit device comprises a press-fit seat driven by a driving mechanism and capable of moving towards the fixed seat, a conveying slide way with an outlet opposite to the pressure relief valve hole of the aluminum pump cover is transversely arranged in the press-fit seat, a small steel ball inlet, a spring inlet and a large steel ball inlet are sequentially formed in the top of the conveying slide way from front to back, a push rod driven by a material pushing mechanism and capable of moving along the conveying slide way is arranged in the conveying slide way in a penetrating mode, and a detection device used for detecting the displacement of the push rod is connected to the rear end of the push rod; the output end of the small steel ball conveying device is connected with the small steel ball inlet; the output end of the large steel ball conveying device is connected with the large steel ball inlet; spring conveyor includes a spring vibration dish, gets the material seat and gets the mechanism of getting, spring vibration dish is to getting material seat transport spring, it gets the spring clamp on the material seat and gets to the spring entry to get the mechanism to get.
Furthermore, the driving mechanism comprises a feeding cylinder transversely arranged beside the press-in seat, the tail end of a piston rod of the feeding cylinder is fixedly connected with the side part of the press-in seat, and the bottom of the press-in seat is provided with a sliding groove matched with a sliding rail arranged on the rack; the device also comprises sensors which are respectively arranged at the lower ends of the small steel ball inlet, the spring inlet and the large steel ball inlet, wherein the sensors drive the feeding cylinder to push the pressing seat to move towards the aluminum pump cover after detecting the large steel ball, the spring and the small steel ball so as to enable the small steel ball, the spring and the large steel ball to fall into the conveying slide way; the front end of the conveying slide way is provided with a material blocking rod in a penetrating mode so as to seal the small steel ball inlet, and the material blocking rod is fixedly connected with a piston rod of a material blocking cylinder fixed on one side of the front end of the pressing-in seat.
Furthermore, the rear end of the push rod is connected with a push rod fixing seat, and the push rod fixing seat is connected with the slide rail in a sliding manner; the pushing mechanism comprises an oil cylinder which is arranged on the rear side of the push rod fixing seat and used for pushing the push rod fixing seat to move along the sliding rail, and a piston rod of the oil cylinder is connected with a load sensor; the detection device comprises a displacement sensor and a material detection cylinder which are respectively arranged on the left side and the right side of the oil cylinder, and the working part of the displacement sensor and the piston rod of the material detection cylinder are respectively and fixedly connected with a connecting plate fixed on the push rod fixing seat.
Furthermore, the pressing device comprises a supporting seat arranged above the fixed seat, a vertically arranged lifting cylinder is arranged on the supporting seat, a piston rod of the lifting cylinder is fixedly connected with a pressing cover, an air inlet pipe is arranged on the pressing cover, and the air inlet pipe is used for ventilating an air passage communicated with the pressure relief valve hole on the aluminum pump cover after the pressing cover presses the aluminum pump cover and the front ends of the small steel balls, the spring and the large steel balls are pushed into the pressure relief valve hole of the aluminum pump cover; the middle part of the fixing seat is provided with an annular rubber ring attached to the lower end face of the aluminum pump cover, a slotted hole corresponding to the air outlet hole in the lower end face of the aluminum pump cover is formed in the annular rubber ring, and an air flow detector is arranged at the slotted hole to judge the number of the small steel balls, the springs and the large steel balls according to an air pressure value.
Further, the small steel ball conveying device comprises a small steel ball vibrating disc, a small steel ball conveying pipe and a first blowing air cylinder, wherein the small steel ball conveying pipe is in a T shape and consists of a straight pipe section and a branch pipe section perpendicular to the straight pipe section, the port of the branch pipe section is connected with the output port of the small steel ball vibrating disc, one port of the straight pipe section is connected with the small steel ball inlet, the other port of the straight pipe section is connected with the air outlet hole of the first blowing air cylinder, and when the small steel balls in the small steel ball vibrating disc are conveyed to the straight pipe section, the first blowing air cylinder blows the small steel balls into the small steel ball inlet; and a first pressure sensor is arranged on the first blowing cylinder.
Further, the large steel ball conveying device comprises a large steel ball vibration disc, a large steel ball conveying pipe and a second blowing air cylinder, the large steel ball conveying pipe is in a T shape and consists of a straight pipe section and a branch pipe section perpendicular to the straight pipe section, the port of the branch pipe section is connected with the output port of the large steel ball vibration disc, one port of the straight pipe section is connected with a large steel ball inlet, the other port of the straight pipe section is connected with an air outlet hole of the second blowing air cylinder, and when the large steel balls in the large steel ball vibration disc are conveyed to the straight pipe section, the second blowing air cylinder blows the large steel balls into the large steel ball inlet; and a second pressure sensor is arranged on the second blowing cylinder.
Furthermore, a groove for placing a spring is arranged on the material taking seat, a feed inlet is formed in one end of the groove, and the feed inlet is connected with an output port of the spring vibration disc through a conveying pipe; the clamping mechanism comprises a clamping frame arranged beside the material taking seat, a horizontal cylinder is arranged above the material taking seat on the clamping frame, an L-shaped bracket is fixedly connected to the output end of the horizontal cylinder, a vertical cylinder with a piston rod extending downwards is fixedly connected to one side of the bracket, and a pneumatic clamping jaw for clamping a spring is connected to the tail end of the piston rod of the vertical cylinder.
Furthermore, material taking notches which are beneficial for the pneumatic clamping jaw to extend into when clamping the spring are symmetrically formed in two sides of the groove; and two sides of the spring inlet are symmetrically provided with discharging notches which are beneficial to the pneumatic clamping jaw to stretch into when the spring is placed.
Further, the sensor is a correlation photoelectric sensor; the displacement sensor is a resistance ruler; the load sensor, the displacement sensor, the first pressure sensor, the second pressure sensor and the gas flow detector are all electrically connected with an alarm module.
The invention relates to a working method of a pressure relief valve hole steel ball spring press-fit device, which comprises the following steps:
(1) Placing the aluminum pump cover on the fixed seat, and pressing the pressing cover downwards on the aluminum pump cover;
(2) The first material blowing cylinder and the second material blowing cylinder are respectively started, the first material blowing cylinder blows small steel balls in front of the first material blowing cylinder into the small steel ball inlet and is positioned above the material blocking rod, the second material blowing cylinder blows large steel balls in front of the second material blowing cylinder into the large steel ball inlet and is positioned above the push rod, and if the first pressure sensor detects that the output air pressure value of the first material blowing cylinder or the second pressure sensor detects that the output pressure value of the second material blowing cylinder is not consistent with a set value, the number of the small steel balls or the large steel balls is not correct, and an alarm module is triggered; meanwhile, the pneumatic clamping jaw clamps the spring in the material taking seat into the spring inlet and is positioned above the push rod;
(3) When the sensors respectively detect the small steel balls, the springs and the large steel balls, the feeding air cylinder is started and drives the press-in seat to move towards the aluminum pump cover, so that the springs and the steel balls fall into the conveying slide way and are positioned at the front end of the push rod, and then the stop rod retracts to enable the small steel balls to fall into the conveying slide way;
(4) The material detection cylinder is started, the push rod is driven to push the small steel balls, the springs and the front ends of the large steel balls into a pressure release valve hole of the aluminum pump cover, the displacement sensor detects the displacement value of the push rod, and if the displacement value of the displacement sensor is inconsistent with a set value, the quantity of the large steel balls in the conveying slide way is not correct, and the alarm module is triggered;
(5) The air inlet pipe leads 0.3Mpa of air pressure into a pressure release valve hole of the aluminum pump cover, and if the air pressure value detected by the air flow detector is 0.2-0.24 Mpa and can be kept, the quantity of the small steel balls, the spring and the large steel balls is correct; if the air pressure value of the air flow detection meter is lower than 0.1Mpa, the number of the small steel balls, the number of the springs and the number of the steel balls are not right, and an alarm module is triggered;
(6) The oil cylinder drives the push rod to move towards the aluminum pump cover, the large steel balls are completely pressed into a pressure release valve hole of the aluminum pump cover, if the load sensor detects that the pressure value of the oil cylinder is inconsistent with a set value, the number of the large steel balls is not correct, and the alarm module is triggered;
(7) And (5) replacing the new aluminum pump cover, and repeating the steps (1) to (6).
Compared with the prior art, the invention has the following effects: the automatic assembling device can realize the automatic assembling of the steel ball spring of the pressure relief valve hole of the aluminum pump cover, has high installation speed and labor saving, and effectively reduces the labor intensity of workers; the quantity of the steel balls is judged in the conveying process of the steel balls and the pressing-in process of the steel balls and the springs, the correct quantity of the steel ball springs is guaranteed, the assembling precision is high, the defective rate is reduced, and the production efficiency is greatly improved.
Description of the drawings:
FIG. 1 is a schematic of an aluminum pump cover configuration;
FIG. 2 is a first schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a second schematic structural view of an embodiment of the present invention;
FIG. 4 is a schematic view of the state of the ball spring in determining the number of the ball springs.
In the figure:
1-an aluminum pump cover; 1 a-a relief valve aperture; 1 b-small steel balls; 1 c-a spring; 1 d-big steel ball; 2-a frame; 3-fixing the base; 4-pressing in the seat; 401-small steel ball inlet; 402-a spring inlet; 403-large steel ball inlet; 5-a push rod; 6-spring vibration disk; 7-a material taking seat; 701-grooves; 8-a feeding cylinder; 9-a slide rail; 10-a material blocking rod; 101-a material blocking cylinder; 11-a push rod fixing seat; 12-oil cylinder; 13-a displacement sensor; 14-material detection cylinder; 15-a connecting plate; 16-a support seat; 17-a lifting cylinder; 18-a gland; 19-an air inlet pipe; 20-small steel ball vibrating disk; 21-small steel ball conveying pipe; 22-a first blowing cylinder; 23-large steel ball vibrating disk; 24-large steel ball conveying pipe; 25-a second blowing cylinder; 26-a conveying pipe; 27-a gripping frame; 28-horizontal cylinder; 29-a bracket; 30-a vertical cylinder; 31-a pneumatic clamping jaw; 32-load cell; 33-sensor.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the pressure relief valve hole 1a is disposed at a side portion of the aluminum pump cover 1, and the pressure relief valve hole 1a is sequentially press-fitted with a small steel ball 1b, a spring 1c, and a large steel ball 1d from inside to outside.
As shown in fig. 2 to 4, the steel ball spring press-fit device for the pressure relief valve hole of the invention comprises a frame 2, wherein the frame 2 is provided with a fixed seat 3 for positioning an aluminum pump cover, a pressing device arranged above the fixed seat 3 for pressing the aluminum pump cover, a steel ball spring press-fit device, a small steel ball conveying device, a large steel ball conveying device and a spring conveying device, the steel ball spring press-fit device comprises a press-fit seat 4 which is driven by a driving mechanism and can move towards the fixed seat 3, a conveying slide way with an outlet facing the aluminum pump cover pressure relief valve hole 1a is transversely arranged in the press-fit seat 4, the top of the conveying slide way 404 is sequentially provided with a small steel ball inlet 401, a spring inlet 402 and a large steel ball inlet 403 from front to back, a push rod 5 driven by a pushing mechanism and capable of moving along the conveying slide way is arranged in the conveying slide way in a penetrating manner, and the rear end of the push rod 5 is connected with a detection device for detecting the displacement of the push rod 5; the output end of the small steel ball conveying device is connected with the small steel ball inlet 401; the output end of the large steel ball conveying device is connected with a large steel ball inlet 403; spring conveyor includes a spring vibration dish 6, gets material seat 7 and gets the mechanism of getting, spring vibration dish 6 is to getting material seat 7 conveying spring, it gets the spring clamp on the material seat 7 and gets to spring inlet 402 to get the mechanism.
In this embodiment, the driving mechanism includes a feeding cylinder 8 transversely disposed beside the press-in seat 4, a piston rod end of the feeding cylinder 8 is fixedly connected with a side portion of the press-in seat 4, and a sliding groove for matching with a sliding rail 9 mounted on the frame 2 is disposed at the bottom of the press-in seat 4; the device also comprises sensors 33 which are respectively arranged at the lower ends of the small steel ball inlet 401, the spring inlet 402 and the large steel ball inlet 403, wherein the sensors 33 drive the feeding cylinder 8 to push the pressing seat 4 to move towards the aluminum pump cover 1 after detecting the large steel balls, the springs and the small steel balls, so that the small steel balls, the springs and the large steel balls fall into the conveying slide way; a material blocking rod 10 for sealing the small steel ball inlet 401 is arranged at the front end of the conveying slide way in a penetrating mode, and the material blocking rod 10 is fixedly connected with a piston rod of a material blocking cylinder 101 fixed on one side of the front end of the pressing seat 4; in order to ensure the CT time of the equipment, the small steel balls, the springs and the large steel balls simultaneously enter the press-in seat and are detected whether to be neglected for assembly; the material blocking rod is used for blocking the small steel balls, so that the small steel balls are prevented from directly falling into the conveying slide way, the small steel balls roll out of the conveying slide way when the pressing seat moves, and the quantity detection required after the influence is caused.
In this embodiment, the rear end of the push rod 5 is connected with a push rod fixing seat 11, and the push rod fixing seat 11 is slidably connected with the slide rail 9; the pushing mechanism comprises an oil cylinder 12 which is arranged at the rear side of the push rod fixing seat 11 and used for pushing the push rod fixing seat 11 to move along the slide rail 9, a piston rod of the oil cylinder 12 is connected with a load sensor 32, and the load sensor 32 is used for detecting the output pressure of the oil cylinder 12 and judging whether the number of large steel balls is correct or not; the detection device comprises a displacement sensor 13 and a material detection cylinder 14 which are respectively arranged at the left side and the right side of the oil cylinder 12, and a working part of the displacement sensor 13 and a piston rod of the material detection cylinder 14 are respectively and fixedly connected with a connecting plate 15 fixed on the push rod fixing seat 11; when the detection device works, the material detection cylinder 14 is started to drive the push rod 5 to move along the conveying slide way, the small steel balls, the springs and the front ends of the large steel balls are pushed into the pressure release valve holes of the aluminum pump cover, meanwhile, the displacement sensor 13 detects the displacement value of the push rod 5, and when the detected displacement value is inconsistent with the designed value, the number of the large steel balls is not correct.
In this embodiment, the pressing device includes a supporting seat 16 disposed above the fixing seat 3, a vertically-arranged lifting cylinder 17 is installed on the supporting seat 16, a piston rod of the lifting cylinder 17 is fixedly connected with a gland 18, an air inlet pipe 19 is disposed on the gland, and the air inlet pipe 19 is configured to vent air in an air passage communicating with the pressure relief valve hole on the aluminum pump cover after the gland 18 presses the aluminum pump cover 1 and the front ends of the small steel balls, the spring and the large steel balls are pushed into the pressure relief valve hole of the aluminum pump cover.
An annular rubber ring attached to the lower end face of the aluminum pump cover is arranged in the middle of the fixed seat 3, a slotted hole corresponding to the air outlet hole in the lower end face of the aluminum pump cover is formed in the annular rubber ring, and an air flow detector is arranged at the slotted hole to judge whether the quantity of the small steel balls, the spring and the large steel balls is small or not according to the air pressure value; when the air pressure value is 0.2-0.24 Mpa, the number of the small steel balls, the number of the springs and the number of the large steel balls are correct and are all one; if the air pressure value is less than 0.1Mpa, the quantity of the small steel balls, the spring and the large steel balls is not correct.
In this embodiment, the small steel ball conveying device comprises a small steel ball vibration disc 20, a small steel ball conveying pipe 21 and a first blowing cylinder 22, wherein the small steel ball conveying pipe 21 is in a T shape and consists of a straight pipe section and a branch pipe section perpendicular to the straight pipe section, the port of the branch pipe section is connected with the output port of the small steel ball vibration disc 20, one port of the straight pipe section is connected with a small steel ball inlet 401, the other port of the straight pipe section is connected with the air outlet hole of the first blowing cylinder 22, and when the small steel balls in the small steel ball vibration disc 20 are conveyed to the straight pipe section, the first blowing cylinder 22 blows the small steel balls into the small steel ball inlet 401; a first pressure sensor is arranged on the first blowing cylinder 22 so as to detect the output air pressure value of the first blowing cylinder 22; if the first pressure sensor detects that the output air pressure value of the first blowing air cylinder 22 is inconsistent with the set value, the number of the small steel balls is not correct.
In this embodiment, the large steel ball conveying device comprises a large steel ball vibration disc 23, a large steel ball conveying pipe 24 and a second blowing cylinder 25, the large steel ball conveying pipe 24 is a T-shaped pipe formed by a straight pipe section and a branch pipe section perpendicular to the straight pipe section, a port of the branch pipe section is connected with an output port of the large steel ball vibration disc 23, one port of the straight pipe section is connected with a large steel ball inlet, the other port of the straight pipe section is connected with an air outlet hole of the second blowing cylinder 25, and when the large steel balls in the large steel ball vibration disc 23 are conveyed to the straight pipe section, the second blowing cylinder 25 blows the large steel balls into the large steel ball inlet 403; a second pressure sensor is arranged on the second blowing cylinder 25 so as to detect the output air pressure value of the second blowing cylinder 25; if the second pressure sensor detects that the output air pressure value of the second blowing air cylinder 25 is inconsistent with the set value, the number of the large steel balls is not correct.
In this embodiment, a groove 701 for placing a spring is arranged on the material taking seat 7, a feed inlet is formed at one end of the groove 701, and the feed inlet is connected with an output port of the spring vibration disc 6 through a conveying pipe 26; the clamping mechanism comprises a clamping frame 27 arranged beside the material taking seat, a horizontal cylinder 28 is arranged above the material taking seat 7 on the clamping frame 27, the output end of the horizontal cylinder 28 is fixedly connected with an L-shaped bracket 29, one side of the bracket 29 is fixedly connected with a vertical cylinder 30 with a piston rod extending downwards, and the tail end of the piston rod of the vertical cylinder 30 is connected with a pneumatic clamping jaw 31 used for clamping a spring.
In order to increase the strength of the bracket 27, a reinforcing rib is provided between both side plates of the bracket 27.
In this embodiment, material taking notches are symmetrically formed on two sides of the groove 701, so that the material taking notches can be conveniently inserted when the pneumatic clamping jaw 31 clamps the spring; two sides of the spring inlet 402 are symmetrically provided with discharge notches which are convenient for the pneumatic clamping jaw to extend into when the spring is placed; get the setting of material notch and the notch of unloading, can produce the interference to avoiding pneumatic clamping jaw 3 during operation.
In this embodiment, the sensor is a correlation photoelectric sensor; the displacement sensor 13 is a resistance ruler; the load sensor 32, the displacement sensor 33, the first pressure sensor, the second pressure sensor and the gas flow detector are all electrically connected with an alarm module; when the resistance ruler detects the displacement value of the push rod and the output pressure value of the oil cylinder detected by the load sensor or the air pressure value detected by the air flow detector does not accord with the design value, the alarm module is triggered, and the device is convenient for workers to process in time.
The push rod 5 is a nonmagnetic tungsten steel bar.
The invention relates to a working method of a pressure relief valve hole steel ball spring press-fit device, which comprises the following steps:
(1) Placing the aluminum pump cover on the fixed seat, and pressing the pressing cover downwards on the aluminum pump cover;
(2) The first material blowing cylinder and the second material blowing cylinder are respectively started, the first material blowing cylinder blows small steel balls in front of the first material blowing cylinder into the small steel ball inlet and is positioned above the material blocking rod, the second material blowing cylinder blows large steel balls in front of the second material blowing cylinder into the large steel ball inlet and is positioned above the push rod, and if the first pressure sensor detects that the output air pressure value of the first material blowing cylinder or the second pressure sensor detects that the output pressure value of the second material blowing cylinder is not consistent with a set value, the number of the small steel balls or the large steel balls is not correct, and an alarm module is triggered; meanwhile, the pneumatic clamping jaw clamps the spring in the material taking seat into the spring inlet and is positioned above the push rod;
(3) When the sensors respectively detect the small steel balls, the springs and the large steel balls, the feeding air cylinder is started and drives the press-in seat to move towards the aluminum pump cover, so that the springs and the steel balls fall into the conveying slide way and are positioned at the front end of the push rod, and then the stop rod retracts to enable the small steel balls to fall into the conveying slide way;
(4) The material detection cylinder is started, the push rod is driven to push the small steel balls, the springs and the front ends of the large steel balls into a pressure release valve hole of the aluminum pump cover, the displacement sensor detects the displacement value of the push rod, and if the displacement value of the displacement sensor is inconsistent with a set value, the quantity of the large steel balls in the conveying slide way is not correct, and the alarm module is triggered;
(5) The air inlet pipe leads 0.3Mpa of air pressure towards the pressure release valve hole of the aluminum pump cover, if the air pressure value detected by the air flow detector is 0.2-0.24 Mpa and can be kept, the quantity of the small steel balls, the spring and the large steel balls is correct; if the air pressure value of the air flow detection meter is lower than 0.1Mpa, the number of the small steel balls, the number of the springs and the number of the steel balls are not aligned, and an alarm module is triggered;
(6) The oil cylinder drives the push rod to move towards the aluminum pump cover, the large steel balls are completely pressed into a pressure release valve hole of the aluminum pump cover, if the load sensor detects that the pressure value of the oil cylinder is inconsistent with a set value, the number of the large steel balls is not correct, and the alarm module is triggered;
(7) And (5) replacing the new aluminum pump cover, and repeating the steps (1) to (6).
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (7)
1. The utility model provides a device is joined in marriage to pressure release valve opening steel ball spring pressure, includes the frame, its characterized in that: the aluminum pump cover pressing device comprises a pressing seat, a conveying slide way, a small steel ball inlet, a spring inlet and a large steel ball inlet are arranged in the pressing seat in a transverse mode, the outlet of the conveying slide way is opposite to the pressure relief valve hole of the aluminum pump cover, the top of the conveying slide way is sequentially provided with the small steel ball inlet, the spring inlet and the large steel ball inlet from front to back, a push rod driven by a material pushing mechanism and capable of moving along the conveying slide way penetrates through the conveying slide way, and the rear end of the push rod is connected with a detection device for detecting the displacement of the push rod; the output end of the small steel ball conveying device is connected with the small steel ball inlet; the output end of the large steel ball conveying device is connected with the large steel ball inlet; the spring conveying device comprises a spring vibration disc, a material taking seat and a clamping mechanism, wherein the spring vibration disc conveys springs to the material taking seat, and the clamping mechanism clamps the springs on the material taking seat to a spring inlet;
the driving mechanism comprises a feeding air cylinder transversely arranged at the side of the press-in seat, the tail end of a piston rod of the feeding air cylinder is fixedly connected with the side part of the press-in seat, and the bottom of the press-in seat is provided with a sliding chute matched with a sliding rail arranged on the rack; the device also comprises sensors which are respectively arranged at the lower ends of the small steel ball inlet, the spring inlet and the large steel ball inlet, wherein the sensors drive the feeding cylinder to push the pressing seat to move towards the aluminum pump cover after detecting the large steel ball, the spring and the small steel ball so as to enable the small steel ball, the spring and the large steel ball to fall into the conveying slide way; a material blocking rod for sealing the small steel ball inlet is arranged at the front end of the conveying slide way in a penetrating manner, and the material blocking rod is fixedly connected with a piston rod of a material blocking cylinder fixed on one side of the front end of the pressing seat;
the rear end of the push rod is connected with a push rod fixing seat, and the push rod fixing seat is connected with the sliding rail in a sliding manner; the pushing mechanism comprises an oil cylinder which is arranged on the rear side of the push rod fixing seat and used for pushing the push rod fixing seat to move along the sliding rail, and a piston rod of the oil cylinder is connected with a load sensor; the detection device comprises a displacement sensor and a material detection cylinder which are respectively arranged on the left side and the right side of the oil cylinder, and the working part of the displacement sensor and the piston rod of the material detection cylinder are respectively and fixedly connected with a connecting plate fixed on the push rod fixing seat.
2. The steel ball spring press-fit device for the pressure relief valve hole as claimed in claim 1, wherein: the pressing device comprises a supporting seat arranged above the fixed seat, a vertically arranged lifting cylinder is arranged on the supporting seat, a piston rod of the lifting cylinder is fixedly connected with a pressing cover, an air inlet pipe is arranged on the pressing cover, and the air inlet pipe is used for ventilating an air passage communicated with a pressure relief valve hole on the aluminum pump cover after the pressing cover presses the aluminum pump cover and the front ends of the small steel balls, the spring and the large steel balls are pushed into the pressure relief valve hole of the aluminum pump cover; the middle part of the fixing seat is provided with an annular rubber ring attached to the lower end face of the aluminum pump cover, a slotted hole corresponding to the air outlet hole in the lower end face of the aluminum pump cover is formed in the annular rubber ring, and an air flow detector is arranged at the slotted hole to judge the number of the small steel balls, the springs and the large steel balls according to an air pressure value.
3. The steel ball spring press-fit device for the pressure relief valve hole according to claim 1, is characterized in that: the small steel ball conveying device comprises a small steel ball vibrating disc, a small steel ball conveying pipe and a first blowing air cylinder, wherein the small steel ball conveying pipe is in a T shape and consists of a straight pipe section and a branch pipe section perpendicular to the straight pipe section, the port of the branch pipe section is connected with the output port of the small steel ball vibrating disc, one port of the straight pipe section is connected with a small steel ball inlet, the other port of the straight pipe section is connected with an air outlet hole of the first blowing air cylinder, and when the small steel balls in the small steel ball vibrating disc are conveyed to the straight pipe section, the small steel balls are blown into the small steel ball inlet by the first blowing air cylinder; and a first pressure sensor is arranged on the first material blowing cylinder.
4. The steel ball spring press-fit device for the pressure relief valve hole as claimed in claim 1, wherein: the large steel ball conveying device comprises a large steel ball vibrating disc, a large steel ball conveying pipe and a second blowing cylinder, wherein the large steel ball conveying pipe is in a T shape and consists of a straight pipe section and a branch pipe section perpendicular to the straight pipe section, the port of the branch pipe section is connected with the output port of the large steel ball vibrating disc, one port of the straight pipe section is connected with a large steel ball inlet, the other port of the straight pipe section is connected with an air outlet hole of the second blowing cylinder, and when large steel balls in the large steel ball vibrating disc are conveyed to the straight pipe section, the second blowing cylinder blows the large steel balls into the large steel ball inlet; and a second pressure sensor is arranged on the second blowing cylinder.
5. The steel ball spring press-fit device for the pressure relief valve hole according to claim 1, is characterized in that: the material taking seat is provided with a groove for placing a spring, one end of the groove is provided with a feed inlet, and the feed inlet is connected with an output port of the spring vibration disc through a conveying pipe; the clamping mechanism comprises a clamping frame arranged beside the material taking seat, a horizontal cylinder is arranged above the material taking seat on the clamping frame, an L-shaped bracket is fixedly connected to the output end of the horizontal cylinder, a vertical cylinder with a piston rod extending downwards is fixedly connected to one side of the bracket, and a pneumatic clamping jaw used for clamping a spring is connected to the end of the piston rod of the vertical cylinder.
6. The steel ball spring press-fit device for the pressure relief valve hole as claimed in claim 5, wherein: two sides of the groove are symmetrically provided with material taking notches which are beneficial for the pneumatic clamping jaw to extend into when clamping the spring; and the two sides of the spring inlet are symmetrically provided with discharging notches which are beneficial to the pneumatic clamping jaw to stretch into when the spring is placed.
7. A working method of a pressure relief valve hole steel ball spring press-fit device is characterized in that: the steel ball spring press-fit device with the pressure relief valve hole comprises the following steps:
(1) Placing the aluminum pump cover on the fixed seat, and pressing the pressing cover downwards on the aluminum pump cover;
(2) The first material blowing cylinder and the second material blowing cylinder are respectively started, the first material blowing cylinder blows small steel balls right ahead into the small steel ball inlet and is positioned above the material blocking rod, the second material blowing cylinder blows large steel balls right ahead into the large steel ball inlet and is positioned above the push rod, and if the first pressure sensor detects that the output air pressure value of the first material blowing cylinder or the second pressure sensor detects that the output pressure value of the second material blowing cylinder is inconsistent with a set value, the number of the small steel balls or the large steel balls is not correct, and the alarm module is triggered; meanwhile, the pneumatic clamping jaw clamps the spring in the material taking seat into the spring inlet and is positioned above the push rod;
(3) When the sensors respectively detect the small steel balls, the springs and the large steel balls, the feeding air cylinder is started and drives the pressing-in seat to move towards the aluminum pump cover, so that the springs and the steel balls fall into the conveying slide way and are positioned at the front end of the push rod, and then the stop rod retracts, so that the small steel balls fall into the conveying slide way;
(4) The material detection cylinder is started, the push rod is driven to push the small steel balls, the springs and the front ends of the large steel balls into a pressure release valve hole of the aluminum pump cover, the displacement sensor detects the displacement value of the push rod, and if the displacement value of the displacement sensor is inconsistent with a set value, the quantity of the large steel balls in the conveying slide way is not correct, and the alarm module is triggered;
(5) The air inlet pipe leads 0.3Mpa of air pressure towards the pressure release valve hole of the aluminum pump cover, if the air pressure value detected by the air flow detector is 0.2-0.24 Mpa and can be kept, the quantity of the small steel balls, the spring and the large steel balls is correct; if the air pressure value of the air flow detection meter is lower than 0.1Mpa, the number of the small steel balls, the number of the springs and the number of the steel balls are not aligned, and an alarm module is triggered;
(6) The oil cylinder drives the push rod to move towards the aluminum pump cover, the large steel balls are completely pressed into a pressure release valve hole of the aluminum pump cover, if the load sensor detects that the pressure value of the oil cylinder is inconsistent with a set value, the number of the large steel balls is not correct, and the alarm module is triggered;
(7) And (5) replacing the new aluminum pump cover, and repeating the steps (1) to (6).
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| CN201710267584.2A CN106938386B (en) | 2017-04-21 | 2017-04-21 | Pressure relief valve hole steel ball spring press-fit device and working method thereof |
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| CN108608187B (en) * | 2018-06-29 | 2023-10-13 | 常州铠锐立机械设备有限公司 | Isolator assembly machine |
| CN109352320A (en) * | 2018-12-18 | 2019-02-19 | 福州鸿基自动化设备有限公司 | Steel ball pressing machine |
| CN111774837B (en) * | 2020-07-14 | 2021-05-18 | 盘锦云飞石油设备有限公司 | Multidirectional intercommunication valve pipeline connected system |
| CN115178993B (en) * | 2022-07-11 | 2024-04-30 | 广东鸿图科技股份有限公司 | Automatic steel ball feeding and crimping device |
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