CN108160521B - Automatic detection sorting machine for pressure relief valve - Google Patents

Abstract

The invention discloses an automatic detection separator for a pressure release valve, which comprises: a bracket; the support table is arranged on the bracket; the detection turntable is rotationally connected to the supporting table, the bottom of the detection turntable is connected with a driving motor arranged on the bottom surface of the supporting table through a rotating shaft, and bit slots for placing pressure relief valves are arranged on the edge of the detection turntable at intervals along the circumferential direction of the detection turntable; the invention discloses a pneumatic detection mechanism, which comprises an upright post, a pneumatic cylinder and a detection head, wherein the upright post is arranged at the edge of a detection turntable, the pneumatic cylinder is connected with the detection head, the pneumatic cylinder is connected to the upright post, when a position groove on the detection turntable rotates below the pneumatic detection mechanism, the position of the detection head is aligned with the position groove, a detection gas channel is arranged on the detection head, the detection gas channel is connected with a gas supply device through a pneumatic pipeline, and a digital display pressure gauge is arranged on the pneumatic pipeline.

Description

A pressure relief valve automatic detection and sorting machine

technical field

The invention relates to an automatic detection and sorting machine for pressure relief valves, which belongs to the technical field of pressure relief valve detection.

Background technique

Coffee is one of the most popular drinks in the world. It takes strict steps to make a good cup of coffee. The coffee machine plays a decisive role in the production of a cup of high-quality coffee, and the quality of the pressure relief valve on the coffee machine directly Affects the quality of the coffee machine.

The pressure relief valve ensures normal pressure relief when the pressure is 0.8bar-1.2bar; when the pressure is less than 0.8bar, the pressure is relieved, which will cause the coffee to be undercooked; if the pressure is higher than 1.2bar and the pressure is not released, the pot may explode danger. Therefore, it is very important to detect whether the relief pressure of the pressure relief valve is within the required range.

At present, there is no automatic instrument for the detection and sorting of this type of pressure relief valve on the market, and it mainly relies on manual detection. In the mass production of parts and the 100% inspection process, it will bring a lot of very heavy physical labor to the operators, which will easily cause fatigue and distraction of the operators, resulting in low efficiency and high misjudgment rate. , and even unsafe accidents occur.

Contents of the invention

The technical problem to be solved by the present invention is to provide an automatic detection and sorting machine for pressure relief valves, so as to solve the problems of low detection efficiency and low detection accuracy in the current detection of pressure relief valves mainly relying on manual detection.

The technical solution of the present invention is: an automatic detection and sorting machine for pressure relief valves, comprising:

bracket;

The support platform is arranged on the support;

The detection turntable is rotatably connected to the support platform, the bottom of which is connected to the driving motor installed on the bottom surface of the support platform through the rotating shaft, and at least one position slot for placing the pressure relief valve is arranged at intervals along the circumferential direction of the detection turntable edge;

The air pressure detection mechanism includes a column, a pneumatic cylinder and a detection head arranged on the edge of the detection turntable. The telescopic rod of the pneumatic cylinder is connected to the detection head, and the pneumatic cylinder is connected to the column. When the slot on the detection turntable rotates to the bottom of the air pressure detection mechanism , the detection head is facing the opening position of the upper end of the slot;

The blanking mechanism is arranged on the edge of the detection turntable, including a blanking rod, a push-pull electromagnet, a base and a push-pull block, wherein the push-pull electromagnet is installed on the base, and the push-pull rod on it passes through the side of the base to connect with the push-pull block. A spring is sleeved on the push-pull rod between the push-pull block and the base, and the push-pull block is fixedly connected with the feeding rod. The free end of the feeding rod is located on the end surface of the detection turntable. The different positions of the turntable are converted.

There are two air pressure detection mechanisms, which are arranged at different positions on the edge of the detection turntable, and are used to test the high and low conduction pressure of the pressure relief valve.

A feeding mechanism is provided on the edge of the detection turntable, and the feeding mechanism includes a feeding block and a feeding chute, wherein the feeding trough is arranged on the upper end surface of the feeding block along the radial direction of the detection turntable, and at both ends of the feeding trough A photoelectric sensor is arranged on the top.

The push-pull block is L-shaped, one side of which is arranged on the side of the base and connected with the push-pull rod, and one side is arranged above the base and is slidably connected with the chute on the upper end surface of the base through the slide block below it.

The pneumatic cylinder is installed on the cylinder base, wherein the cylinder base includes a bottom plate, and two opposite side plates arranged on the bottom plate, and a through hole for installing the piston rod of the pneumatic cylinder is arranged on the side plate, and the through hole The outer side is fixedly connected with a guide post, and a detection head is installed in the guide post, the air cylinder is installed between the two side plates, and the piston rod of the air cylinder is fixedly connected with the detection head.

There are 4 position slots, which are evenly spaced on the detection turntable.

The beneficial effects of the present invention are: the present invention realizes the automatic detection of the pressure relief valve on the coffee machine by designing the detection turntable, the air pressure detection mechanism and other structures, and effectively solves the problem that the current detection of the pressure relief valve mainly relies on manual detection, and the detection efficiency is low. Problems such as low accuracy rate have improved the detection speed. The invention is an automatic detection and sorting mechanism with simple and compact structure, high efficiency and simple operation.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is the front view of the present invention;

Fig. 3 is the top view of the present invention;

Fig. 4 is the left view of the present invention;

Fig. 5 is the three-dimensional structure schematic diagram of unloading mechanism;

Fig. 6 is the front view of unloading mechanism;

Fig. 7 is the left view of unloading mechanism;

Fig. 8 is a three-dimensional structural schematic diagram of an air pressure detection mechanism;

Fig. 9 is a schematic side view of the air pressure detection mechanism;

Fig. 10 is a G-G cross-sectional view in Fig. 9;

Fig. 11 is the structural representation of cylinder block;

Explanation of reference signs: 1. bracket, 2. support table, 3. detection turntable, 4. position slot, 5. feeding block, 6. feeding slot, 7. photoelectric sensor, 8. column, 9. pneumatic cylinder, 10. Detection head, 11. Drive motor, 12. Feeding rod, 13. Push-pull electromagnet, 14. Push-pull block, 15. Base, 16. Spring, 17. Chute, 18. Slider, 19. Cylinder seat, 20, guide post, 101, side plate, 102, through hole, 103, rib, 104, base plate.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the invention is further introduced:

Referring to Fig. 1 to Fig. 11, a pressure relief valve automatic detection and sorting machine in this embodiment includes:

bracket 1;

The supporting platform 2 is arranged on the bracket 1;

The detection turntable 3 is rotatably connected to the support platform 2, and its bottom is connected to the drive motor 11 installed on the bottom surface of the support platform 2 through a rotating shaft. On the edge of the detection turntable 3, there are at least one spaced along its circumferential direction for placing pressure relief valves. bit slot 4 of

The air pressure detection mechanism includes a column 8 arranged on the edge of the detection turntable 3, a pneumatic cylinder 9 and a detection head 10. The telescopic rod of the pneumatic cylinder 9 is connected to the detection head 10, and the pneumatic cylinder 9 is connected to the column 8. When the bit slot 4 is rotated to the bottom of the air pressure detection mechanism, the detection head 10 is facing the opening position of the upper end of the bit slot 4;

The blanking mechanism is arranged on the edge of the detection turntable 3, including a blanking rod 12, a push-pull electromagnet 13, a base 15 and a push-pull block 14, wherein the push-pull electromagnet 13 is installed on the base 15, and the push-pull rod on it passes through the base The side of 15 is connected with the push-pull block 14, and a spring 16 is sleeved on the push-pull rod between the push-pull block 14 and the base 15. The push-pull block 14 is fixedly connected with the feeding rod 12, and the free end of the feeding rod 12 is located On the end face, driven by the push-pull electromagnet 13, the unloading rod 12 is switched between different positions of the detection turntable 3.

The above structure is the core component of this sorting machine. Its working principle is: after the pressure relief valve to be tested is placed on the position slot 4, the detection turntable 3 is rotated to face the air pressure detection mechanism, and the air pressure detection mechanism is classified as qualified. For qualified products and unqualified products, when the detection turntable 3 drives it to rotate to the unloading mechanism, the unloading mechanism does not move, and is driven off the detection platform under the action of the unloading rod 12. For unqualified products, the detection turntable 3 When it is driven to rotate to the blanking mechanism, the blanking mechanism moves to displace the blanking rod 12, and under the action of the blanking rod 12, unqualified products are driven off to different positions of qualified products.

There are two air pressure detection mechanisms, which are arranged at different positions on the edge of the detection turntable 3, and are used to test the high and low conduction pressure of the pressure relief valve. Since the normal pressure relief of the pressure relief valve is between 0.8bar and 1.2bar Therefore, testing the pressure of the two endpoints can effectively ensure the quality of the pressure relief valve.

A feeding mechanism is arranged on the edge of the detection turntable 3, and the feeding mechanism includes a feeding block 5 and a feeding chute 6, wherein the feeding chute 6 is arranged on the upper end surface of the feeding block 5 along the radial direction of the detection turntable 3. A photoelectric sensor 7 is arranged above the two ends of the feeding chute 6, and the feeding and counting of the pressure relief valve can be realized through the feeding chute 6.

The push-pull block 14 is L-shaped, one side of which is arranged on the side of the base 15 and connected with the push-pull rod, one side is arranged above the base 15, and is slidably connected with the chute 17 on the upper end surface of the base 15 through the slide block 18 below it , which can effectively reduce the reaction force of the blanking rod 12 on the push-pull electromagnet 13, and improve the service life of the push-pull electromagnet 13.

The pneumatic cylinder 9 is installed on the cylinder block 19, wherein the cylinder block 19 includes a bottom plate 104, and is arranged on two opposite side plates 101 on the bottom plate 104, and the piston for installing the pneumatic cylinder 9 is arranged on the side plate 101 The through hole 102 of the rod is fixedly connected with the guide post 20 outside the through hole 102, the detection head 10 is installed in the guide post 20, the pneumatic cylinder 9 is installed between the two side plates 101, the piston rod of the pneumatic cylinder 9 and the detection head 10 The fixed connection can solve the inconvenient adjustment of the pneumatic cylinder 9 caused by the shaking of the column 8 during detection, and the problem that the probe cannot be accurately detected.

The cylinder block 9 is connected to the side of the column 8 by screws, and ribs 103 are arranged along the length direction on the back side of the bottom plate 104 of the cylinder block 9, and corresponding grooves are provided on the side of the column 8, so that the cylinder can be further defined. The activity direction of seat 9, avoids its rocking.

There are four position slots 4, which are evenly spaced on the detection turntable 3, one of which is ready for loading, two of which are used as detection stations for high and low pressure, and one for blanking, so that Improve the operation detection efficiency of the entire equipment.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field of the present invention, without departing from the concept of the present invention, some simple deduction or replacement can be made, which should be regarded as belonging to the protection scope of the present invention.

Claims (4)

1. The utility model provides a relief valve automated inspection sorter which characterized in that: comprising the following steps:

a bracket (1);

a support table (2) arranged on the bracket (1);

the detection turntable (3) is rotationally connected to the supporting table (2), the bottom of the detection turntable is connected with a driving motor (11) arranged on the bottom surface of the supporting table (2) through a rotating shaft, and at least one position groove (4) for placing a pressure release valve is arranged on the edge of the detection turntable (3) along the circumferential direction at intervals;

the air pressure detection mechanism comprises an upright post (8), an air pressure cylinder (9) and a detection head (10) which are arranged at the edge of the detection turntable (3), wherein a telescopic rod of the air pressure cylinder (9) is connected with the detection head (10), the air pressure cylinder (9) is connected to the upright post (8), and when a position groove (4) on the detection turntable (3) rotates below the air pressure detection mechanism, the detection head (10) is aligned to the upper end opening position of the position groove (4);

the blanking mechanism is arranged at the edge of the detection rotary table (3) and comprises a blanking rod (12), a push-pull electromagnet (13), a base (15) and a push-pull block (14), wherein the push-pull electromagnet (13) is arranged on the base (15), the push-pull rod on the push-pull electromagnet penetrates out of the side surface of the base (15) and is connected with the push-pull block (14), a spring (16) is sleeved on the push-pull rod between the push-pull block (14) and the base (15), the push-pull block (14) is fixedly connected with the blanking rod (12), the free end of the blanking rod (12) is positioned on the end surface of the detection rotary table (3), and the blanking rod (12) is switched at different positions of the detection rotary table (3) under the driving of the push-pull electromagnet (13);

the number of the air pressure detection mechanisms is 2, and the air pressure detection mechanisms are arranged at different positions of the edge of the detection turntable (3) and are used for realizing the test of the high and low conducting pressure of the pressure relief valve; the feeding mechanism is arranged at the edge of the detection rotary table (3) and comprises a feeding block (5) and a feeding groove (6), wherein the feeding groove (6) is arranged on the upper end face of the feeding block (5) along the radial direction of the detection rotary table (3), and photoelectric sensors (7) are arranged above the two ends of the feeding groove (6).

2. The automatic pressure release valve detection separator according to claim 1, wherein: the push-pull block (14) is L-shaped, one side of the push-pull block is arranged on the side face of the base (15) and is connected with the push-pull rod, and the other side of the push-pull block is arranged above the base (15) and is in sliding connection with a sliding groove (17) on the upper end face of the base (15) through a sliding block (18) below the push-pull block.

3. The automatic pressure release valve detection separator according to claim 1, wherein: the pneumatic cylinder (9) is installed on the cylinder block (19), wherein the cylinder block (19) comprises a bottom plate (104) and two opposite side plates (101) arranged on the bottom plate (104), a through hole (102) for installing a piston rod of the pneumatic cylinder (9) is formed in one side plate (101), a guide pillar (20) is fixedly connected to the outer side of the through hole (102), a detection head (10) is installed in the guide pillar (20), the pneumatic cylinder (9) is installed between the two side plates (101), and the piston rod of the pneumatic cylinder (9) is fixedly connected with the detection head (10).

4. The automatic pressure release valve detection separator according to claim 1, wherein: the number of the bit slots (4) is 4, and the bit slots are uniformly arranged on the detection turntable (3) at intervals.

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