CN113579659A

CN113579659A - Brass valve machining method

Info

Publication number: CN113579659A
Application number: CN202110909005.6A
Authority: CN
Inventors: 钟圣凯; 钟荣瑞
Original assignee: Fushan Valve Industry Dongtai Co ltd
Current assignee: Fushan Valve Industry Dongtai Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2021-11-02
Anticipated expiration: 2041-08-09
Also published as: CN113579659B

Abstract

The disclosure relates to the technical field of brass valves, in particular to a method for processing a brass valve; this application adopts the mode of polishing sand and polishing to the case and the valve body of brass valve to polish, when avoiding original polishing wheel to polish, need incessantly change position and centre gripping angle's problem, this application is still according to the spherical characteristic of case, set up whole equipment of polishing sand into the drum-type, both can polish sand to it like this and polish and can also pass through rolling form, will pile up polish sand and roll with the valve body, make it collision friction that does not stop each other, the realization is polished dually to the case. Wherein setting up to the awl tube-shape at the cylinder that will throw the sand and polish, and the discharge gate sets up in the upper end to let and be located its inside case outwards arrange it one by one under the effect of inside conical spiral leaf, conveniently by the step-by-step centre gripping wheel centre gripping in the drilling equipment of below, and punch by the puncher, realize pipelined processing, the order of optimized processing has promoted machining efficiency.

Description

Brass valve machining method

Technical Field

The disclosure relates to the technical field of brass valves, in particular to a method for machining a brass valve.

Background

A brass valve: suitable media are water, oil, gas, steam, etc. Because the medium channel in the valve body is straight, the medium flows in a straight line, and the flow resistance is small; the opening and closing are labor-saving. The application field is as follows: mechanical equipment, chemical equipment, general parts, industrial equipment, water supply and drainage equipment, papermaking equipment, pharmaceutical equipment, general equipment, petrochemical equipment, electrical equipment, metallurgy powder equipment mining equipment, municipal administration, electronic industry and the like. The main production process of the brass water nozzle valve body is by casting or hot forging.

When an existing brass valve is machined, a mold is usually adopted for casting a half valve body and a valve core, then the valve body and the valve core are polished and polished, then the valve core is placed on two half valve bodies, and finally the two half valve bodies are folded and fixed, so that the whole brass valve is manufactured, wherein the half valve body and the valve core are polished and polished by a polishing wheel, the whole polishing process needs to be clamped, the position needs to be changed continuously, and therefore the whole polishing speed and efficiency are lower.

Disclosure of Invention

The utility model aims to provide a brass valve processing method, aim at solving the current half-and-half valve body and the polishing of case adopt the mode of polishing wheel to polish it, whole in-process of polishing needs the centre gripping, still need the incessant change position to whole speed and the lower problem of efficiency of polishing.

To achieve the purpose, the following technical scheme is adopted in the disclosure: a brass valve processing method comprises the following steps:

the method comprises the following steps: molding the half valve body and the valve core hot section;

step two: polishing and drilling the valve core;

step three: grinding and polishing the half valve body;

step four: welding and assembling the brass valve;

the valve core is polished by a roller sand polishing polisher, and the polished spherical valve cores are led into drilling equipment one by one and then are clamped for drilling.

Preferably, the barrel of cylinder sanding machine is constituteed by a fixed section of thick bamboo and rotary drum, a fixed section of thick bamboo passes through the support mounting subaerial, the both ends of rotary drum respectively through the bearing with a fixed section of thick bamboo and drilling equipment's inlet pipe looks swivelling joint.

Preferably, the feeder hopper has been seted up to the upper end of fixed section of thick bamboo, and the conveyer belt is installed to the top of this feeder hopper, and the case that this conveyer belt will cast the completion is transported and is carried out the material loading, the injection pipe is installed to the lower extreme of fixed section of thick bamboo, and this injection pipe is used for spraying the sand of polishing that polishes to the case.

Preferably, the bracket is provided with a first motor, and the first motor drives a second gear arranged on the outer wall of the rotary drum to rotate through the meshing rotation of a first gear of the output shaft.

Preferably, the inside of cylinder sand blasting polisher is rotated and is provided with the spiral leaf, the one end of this spiral leaf with install second motor looks fixed connection on the fixed cylinder outer wall, the spiral leaf is whole to be the taper, and the diameter is more and more little the cooperation awl tube-shape the rotary drum is used for leading out one by one the case, fixed cylinder also sets up to the awl tube-shape.

Preferably, the drilling equipment comprises a processing bin positioned below the feeding pipe, two clamping wheels used for clamping the valve core are arranged in the processing bin, and a drilling machine used for drilling the valve core is arranged on the side surface of the processing bin in a direction perpendicular to the clamping wheels.

Preferably, one end of one of the two clamping wheels is fixedly connected with the motor, and the other end of the clamping wheel drives the other clamping wheel to rotate through the mutually meshed gear set so as to clamp the valve core.

Preferably, in the step one, the raw material brass rod is put into a heating furnace to be heated and melted, and then is die-cast into the corresponding half valve body and valve core molds for casting.

Preferably, in step three: each half valve body enters a polishing and grinding machine for sand blasting and grinding under the transportation of the conveyor belt and then is transported out.

Preferably, in step four: firstly, the valve core is placed in any half valve body, then the other half valve body is closed, and then the two half valve bodies are fixed together in an electric welding mode.

Compared with the prior art, the beneficial effect of this disclosure is: the disclosed brass valve processing method; this application adopts the mode of polishing sand and polishing to the case and the valve body of brass valve to polish, when avoiding original polishing wheel to polish, need incessantly change position and centre gripping angle's problem, this application is still according to the spherical characteristic of case, set up whole equipment of polishing sand into the drum-type, both can polish sand to it like this and polish and can also pass through rolling form, will pile up polish sand and roll with the valve body, make it collision friction that does not stop each other, the realization is polished dually to the case.

Wherein setting up to the awl tube-shape at the cylinder that will throw the sand and polish, and the discharge gate sets up in the upper end to let and be located its inside case outwards arrange it one by one under the effect of inside conical helical lobe, conveniently by the step-by-step centre gripping wheel centre gripping in the drilling equipment of below, and punch by the puncher, realize pipelined processing, the order of optimized processing has promoted the speed and the efficiency of processing.

Drawings

FIG. 1 is a schematic process flow diagram of the present disclosure;

FIG. 2 is a schematic view of a processing sequence of step two in the present disclosure;

FIG. 3 is a schematic view of the internal structure of the drilling apparatus of the present disclosure;

in the figure: 1. a roller sand throwing polisher; 11. a fixed cylinder; 12. a rotating drum; 121. a second gear; 13. a support; 14. a feed hopper; 15. an injection pipe; 16. a first motor; 161. a first gear; 17. helical leaves; 18. a second motor;

2. drilling equipment; 21. a feed pipe; 22. a processing bin; 23. a clamping wheel; 24. a perforating machine;

3. and (4) a conveyor belt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present disclosure more clearly understood, the present disclosure is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to limit the disclosure.

Referring to fig. 1-3, the present disclosure provides a technical solution: a brass valve processing method comprises the following steps:

step two: polishing and drilling the valve core;

step three: grinding and polishing the half valve body;

step four: welding and assembling the brass valve;

the valve core is polished by a roller sand polishing polisher 1, and the polished spherical valve cores are led into a drilling device 2 one by one and are clamped for drilling.

In the normal case: putting a raw material brass bar into a heating furnace to be heated and melted, and then die-casting the raw material brass bar into corresponding dies of the half valve body and the valve core for casting; the valve core is polished by a roller sand polishing polisher 1, and the polished spherical valve cores are led into a drilling device 2 one by one and are clamped and then drilled; each half valve body enters a polishing and grinding machine for sand throwing and grinding under the transportation of the conveyor belt 3, and then is transported out; firstly, the valve core is placed in any half valve body, then the other half valve body is closed, and then the two half valve bodies are fixed together in an electric welding mode.

The barrel of the roller sand-polishing polisher 1 is composed of a fixed barrel 11 and a rotary barrel 12, the fixed barrel 11 is installed on the ground through a support 13, and two ends of the rotary barrel 12 are respectively rotatably connected with the fixed barrel 11 and a feeding pipe 21 of the drilling equipment 2 through bearings.

Feed hopper 14 has been seted up to the upper end of a fixed section of thick bamboo 11, and conveyer belt 3 is installed to the top of this feed hopper 14, and this conveyer belt 3 transports the case of casting completion and carries out the material loading, and injection pipe 15 is installed to the lower extreme of a fixed section of thick bamboo 11, and this injection pipe 15 is used for spraying the sand of polishing that polishes to the case.

The valve core that the conveyer belt 3 will die-cast and accomplish moves to the end to fall into feeder hopper 14, enter into the barrel along feeder hopper 14, rotate together with the sand of polishing in the barrel, realize the purpose of polishing.

The other end of the injection pipe 15 is connected in the sand grinding cylinder and used for extracting the grinding sand in the sand grinding cylinder and injecting the grinding sand to the outer wall of the valve core, the first grinding is carried out on the valve core, the grinding sand accumulated at the bottom and sundries are concentrated and discharged outside through an outer discharge port at intervals, and the grinding sand is recovered through screening and is used for reuse.

The bracket 13 is provided with a first motor 16, and the first motor 16 drives a second gear 121 mounted on the outer wall of the drum 12 to rotate through the meshing rotation of a first gear 161 of an output shaft.

First motor 16 rotates and drives first gear 161 through the output shaft and rotates, and the rotation of first gear 161 drives second gear 121 with it meshing and rotates, and second gear 121 drives rotary drum 12 with its fixed connection and rotates, realizes that rotary drum 12 upwards rotates the sand of polishing and the case of piling up at the bottom inside, realizes the purpose of further polishing the case.

The inside of the barrel of cylinder sand blasting polisher 1 rotates and is provided with spiral leaf 17, and the one end of this spiral leaf 17 and the second motor 18 of installing on fixed section of thick bamboo 11 outer wall are fixed connection mutually, and spiral leaf 17 is whole for the taper, and the diameter is more and more little the cooperation conical drum-shaped rotary drum 12 is used for leading out the case one by one, and fixed section of thick bamboo 11 also sets up to the taper tube-shape.

Fixed section of thick bamboo 11 and rotary drum 12 all set up to the awl tube-shape, and the opening between the two is corresponding and rotate through the bearing and connect, and the partial diameter that both link up is the biggest, and also is the minimum to case and sand of polishing all can be along with rotary drum 12's effect, upwards rotate, make the case carry out the polishing and the collision that do not stop in the polishing sand, realize the burnishing and polishing to its outer wall.

The rotary drum 12 sets up to the awl tube-shape, conveniently polish on the one hand and also be located rotary drum 12 with the case, can be driven by rotary drum 12 and rotate, on the other hand also avoids the case to roll directly outward along rotary drum 12, the inside screw thread leaf of rotary drum 12 sets up, be used for upwards motivating the case slowly along the rotary drum 12 inner wall, and along with the diameter is littleer and more, the quantity that leads to the case to get into is also less and less, only single case falls into inlet pipe 21 in proper order at last formation, by drilling equipment 2 drilling, the effect of case screening has been played.

When the first motor 16 and the second motor 18 rotate in the same direction, the rotation directions of the rotary drum 12 and the internal thread blades are opposite, so that the thread blades can discharge the valve cores in the rotary drum 12 one by one from the discharge hole at the upper end of the rotary drum 12, and a certain gap is formed between the thread blades and the inner wall of the rotary drum 12, so that the sanding belt cannot be discharged from the discharge hole.

The drilling device 2 comprises a processing bin 22 positioned below the feeding pipe 21, two clamping wheels 23 for clamping the valve core are arranged in the processing bin 22, and a drilling machine 24 for drilling the valve core is arranged on the side surface of the processing bin 22 in a direction perpendicular to the clamping wheels 23.

The inner diameter of the feeding pipe 21 is slightly larger than the diameter of the valve core, so that the feeding pipe 21 can only pass through one valve core at a time, the valve cores are enabled to fall into the groove on the outer wall of the clamping wheel 23 positioned right below the valve cores one by one, and the two clamping wheels 23 which rotate mutually clamp through the groove and are punched by the side-face punching machine 24.

The outer wall of centre gripping wheel 23 is provided with the round recess, and the recess of two centre gripping wheels 23 one-to-one, closes up from the sphere, and then can carry out the centre gripping to the spherical case in top at the pivoted in-process, and the area of contact of recess and case is big to frictional force is big, can not produce when beating the through hole and rock or the displacement, leads to the problem of punching failure or flawed.

The perforating machine 24 is controlled by the moving part at the bottom of the perforating machine, and the perforating machine 24 is driven to slowly advance towards the valve core under the action of the moving part, so that drilling and perforating on the valve core are realized, and further perforating on the valve core is completed.

One end of each of the two clamping wheels 23 is fixedly connected with the motor, and the other end of each of the two clamping wheels 23 drives the other clamping wheel 23 to rotate through the gear sets meshed with each other for clamping the valve core.

The motor sets up to step motor, and in order to realize pausing many times and carry out the purpose of punching, the motor drives one of them centre gripping wheel 23 and rotates, and this centre gripping wheel 23 drives the input gear of another centre gripping wheel 23 through the output gear meshing in the other end gear train and rotates, and then drives another centre gripping wheel 23 and rotates, realizes two centre gripping wheel 23 mutual reversals to carry out the purpose of centre gripping to the case.

In the first step, the raw material brass rod is put into a heating furnace to be heated and melted, and then is die-cast into the corresponding half valve body and valve core molds for casting.

And in the second step, the valve cores are polished by the roller sand polishing polisher 1, and the polished spherical valve cores are guided into the drilling equipment 2 one by one to be clamped and then drilled.

In the third step: each valve body half enters a polishing and grinding machine for sand blasting and grinding under the transportation of the conveyor belt 3, and then is transported out.

In the fourth step: firstly, the valve core is placed in any half valve body, then the other half valve body is closed, and then the two half valve bodies are fixed together in an electric welding mode.

The working principle and the using process of the method are as follows: firstly, putting a raw material brass bar into a heating furnace for heating and melting, then introducing molten brass liquid into the dies of the half valve body and the valve core, carrying out die casting in the dies, and taking out the cooled brass liquid from the dies, thus finishing the casting of the half valve body and the valve core.

Then the valve core and the half valve body are respectively conveyed away by different conveyor belts 3, the valve core is driven by the conveyor belts 3 to move to the upper part of the roller sand-throwing polisher 1, falls into the feed hopper 14 and enters the cylinder body along the feed hopper 14, meanwhile, the injection pipe 15 injects the polishing sand into the cylinder to polish and polish the outer surface of the valve core in the cylinder, meanwhile, the first motor 16 rotates, the second gear 121 is driven to rotate by the first gear 161, the second gear 121 drives the rotary drum 12 fixed with the second gear to rotate, so that the inner valve core and the grinding sand roll, the valve core is further ground and polished, at the same time, the second motor 18 drives the screw blade to rotate, the rotation of the screw blade drives the valve core to move up slowly along the rotary drum 12, so that the valve elements are moved up one by one to the discharge opening and then fall from the discharge opening of the drum 12 into the drilling device 2.

The inlet pipe 21 among the drilling equipment 2 introduces the case into the processing storehouse 22, by being located two centre gripping wheels 23 centre gripping under the processing storehouse 22, after the centre gripping when two centre gripping wheels 23 centre gripping the case and moving to the processing factory central authorities, the puncher 24 of side starts and slowly moves to the case, drill to the case, after case drilling is accomplished, two centre gripping wheels 23 continue its rotation of centre gripping, with its below, it is punched to move drilling department with another case simultaneously, realize the purpose of punching in turn.

The half valve body moves to a polishing and grinding machine under the transportation of the conveyor belt 3, enters the polishing and grinding machine to be ground by the grinding sand sprayed all around, and is moved out of the polishing and grinding machine by the conveyor belt 3 after the grinding is finished to be assembled in the next step.

During assembly, the position and the shape of the valve core during installation and assembly are firstly placed on one of the half valve bodies, then other parts are also installed together, then the other half valve body covers the half valve body, and finally the two half valve bodies are fixed together in a welding mode, so that the whole brass valve is machined and assembled.

The above description is only exemplary of the present disclosure and should not be taken as limiting the disclosure, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.

Claims

1. A brass valve processing method is characterized in that: the method comprises the following steps:

step two: polishing and drilling the valve core;

step three: grinding and polishing the half valve body;

step four: welding and assembling the brass valve;

the valve core is polished by a roller sand polishing polisher (1), and the polished spherical valve cores are led into drilling equipment (2) one by one to be clamped and then drilled.

2. The brass valve machining method of claim 1, wherein: the barrel of cylinder sand throwing polisher (1) comprises a fixed section of thick bamboo (11) and rotary drum (12), a fixed section of thick bamboo (11) are installed subaerial through support (13), the both ends of rotary drum (12) respectively through the bearing with a fixed section of thick bamboo (11) and inlet pipe (21) of drilling equipment (2) rotate mutually and are connected.

3. The brass valve machining method of claim 2, wherein: feed hopper (14) have been seted up to the upper end of fixed section of thick bamboo (11), and conveyer belt (3) are installed to the top of this feed hopper (14), and the case that this conveyer belt (3) will be cast and accomplish is transported and is carried out the material loading, injection pipe (15) are installed to the lower extreme of fixed section of thick bamboo (11), and this injection pipe (15) are used for spraying the sand of polishing that polishes to the case.

4. The brass valve machining method of claim 2, wherein: the support (13) is provided with a first motor (16), and the first motor (16) drives a second gear (121) arranged on the outer wall of the rotary drum (12) to rotate through the meshing rotation of a first gear (161) of an output shaft.

5. The brass valve machining method of claim 2, wherein: the inside of the barrel of cylinder sand throwing polisher (1) is rotated and is provided with spiral leaf (17), the one end of this spiral leaf (17) with install second motor (18) looks fixed connection on solid fixed cylinder (11) outer wall, spiral leaf (17) are whole to be the taper, and the diameter is more and more little cooperation awl tube-shape rotary drum (12) are used for leading the derivation one by one to the case, gu fixed cylinder (11) also set up to the awl tube-shape.

6. The brass valve machining method of claim 2, wherein: the drilling equipment (2) comprises a processing bin (22) positioned below the feeding pipe (21), two clamping wheels (23) used for clamping the valve core are arranged in the processing bin (22), and a drilling machine (24) used for drilling the valve core is arranged on the side surface of the processing bin (22) in a direction perpendicular to the clamping wheels (23).

7. The brass valve machining method of claim 6, wherein: one end of one of the two clamping wheels (23) is fixedly connected with the motor, and the other end of the clamping wheel drives the other clamping wheel (23) to rotate through the mutually meshed gear set so as to clamp the valve core.

8. The brass valve machining method of claim 1, wherein: in the first step, the raw material brass rod is put into a heating furnace to be heated and melted, and then is die-cast into the corresponding half valve body and valve core molds for casting.

9. The brass valve machining method of claim 1, wherein: in the third step: each half valve body enters a polishing and grinding machine for sand blasting and grinding under the transportation of the conveyor belt and then is transported out.

10. The brass valve machining method of claim 1, wherein: in the fourth step: firstly, the valve core is placed in any half valve body, then the other half valve body is closed, and then the two half valve bodies are fixed together in an electric welding mode.