CN111495699B

CN111495699B - Production equipment and process of safety valve

Info

Publication number: CN111495699B
Application number: CN202010366607.7A
Authority: CN
Inventors: 章炳法; 茅金祥; 周苗森
Original assignee: Shaoxing Shangyu Kaidi Precision Co ltd
Current assignee: Shaoxing Shangyu Kaidi Precision Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-04-27
Anticipated expiration: 2040-04-30
Also published as: CN111495699A

Abstract

The invention discloses production equipment of a safety valve, which comprises a frame body, a conveying device arranged on the frame body, a plurality of clamping devices arranged on the conveying device and used for clamping a hand wheel of the safety valve, an automatic feeding device arranged on the frame body, a first painting device used for painting primer on the hand wheel of the safety valve, a second painting device used for painting finish on the hand wheel of the safety valve, a first drying device used for drying the hand wheel of the safety valve with primer, a second drying device used for drying the hand wheel of the safety valve with finish, an automatic blanking device arranged on the frame body, and an air cooling device positioned between the first drying device and the second painting device; a processing technology for producing a safety valve by adopting the equipment comprises the following steps: feeding, priming, drying, cooling, painting, secondary drying and blanking; the invention realizes automatic safety valve hand wheel up and down, continuous baking finish operation is carried out on the hand wheel, and the automation degree is high.

Description

Production equipment and process of safety valve

Technical Field

The invention relates to the technical field of safety valve processing, in particular to production equipment and a process of a safety valve.

Background

After production of a safety valve hand wheel, paint is required to be coated on the surface of the hand wheel in order to prevent the hand wheel from being oxidized and rusted due to long-term exposure of the hand wheel in air. In the prior art, a baking paint processing mode is adopted, multiple times of primer and finish paint are needed, a hand wheel needs to be continuously carried in the process, the processing efficiency is low, and the manual strength is high.

Disclosure of Invention

The invention provides production equipment and a production process of a safety valve, aiming at overcoming the defects of the prior art, and realizing automatic loading and unloading of a safety valve hand wheel and continuous paint baking operation on the hand wheel, and the automation degree is high.

In order to achieve the purpose, the invention adopts the following technical scheme: the production equipment of the safety valve comprises a frame body, a conveying device arranged on the frame body, a plurality of clamping devices arranged on the conveying device and used for clamping a hand wheel of the safety valve, an automatic feeding device arranged on the frame body, a first painting device used for painting primer on the hand wheel of the safety valve, a second painting device used for painting finish on the hand wheel of the safety valve, a first drying device used for drying the hand wheel of the safety valve with primer, a second drying device used for drying the hand wheel of the safety valve with finish, an automatic blanking device arranged on the frame body, and an air cooling device arranged between the first drying device and the second painting device, wherein the clamping devices comprise a base fixedly arranged on the conveying device, a T-shaped chute arranged on the base, a first clamping plate and a second clamping plate movably arranged on the T-shaped chute, a first idler wheel rotatably arranged on the first clamping plate, and a second idler wheel rotatably arranged on the second clamping plate, The device comprises a first spring and a second spring, a first square inserted rod, a second square inserted rod, a conical plate, a fixed plate, a third roller, a third spring and a fourth spring, wherein the two ends of the first spring and the second spring are fixedly arranged on a first clamping plate and a second clamping plate respectively, the first square inserted rod is fixedly arranged on the first clamping plate, the second square inserted rod is fixedly arranged on the second clamping plate symmetrically with the first square inserted rod, the conical plate is movably arranged on a base, the fixed plate is movably arranged on the base in a penetrating mode, one end of the fixed plate is fixedly arranged on the conical plate, the third roller is rotatably arranged at one end of the fixed plate, the two ends of the third spring and the fourth spring are fixedly arranged on the base and; firstly, an automatic feeding device drives a fixing plate to move, the fixing plate is fixedly arranged on a conical plate so as to drive the conical plate to move towards a first roller and a second roller and push the first roller and the second roller to relatively move away, the first roller and the second roller are respectively rotatably arranged on a first clamping plate and a second clamping plate so as to enable the first clamping plate and the second clamping plate to move away, a first square insertion rod and a second square insertion rod which are arranged on the first clamping plate and the second clamping plate are separated, a safety valve hand wheel is moved to a clamping device through the automatic feeding device, namely the safety valve is positioned between the first square insertion rod on the first clamping plate and the second square insertion rod on the second clamping plate, the automatic feeding device stops driving the fixing plate, the conical plate is reset through a third spring and a fourth spring, namely the fixing plate is reset, and the first clamping plate and the second clamping plate are reset through the first spring and the second spring, the method comprises the steps that a first square insertion rod and a second square insertion rod are inserted into a safety valve hand wheel square hole, clamping of a safety valve hand wheel is completed, the hand wheel clamped by a conveying device is conveyed to a first painting device, priming paint is applied to the hand wheel through the first painting device, the hand wheel is conveyed to a first drying device through the conveying device after priming paint is completed and is dried, the hand wheel is conveyed to an air cooling device after drying is completed and is cooled, certain residual temperature of the cooled hand wheel needs to be reserved, the hand wheel with the residual temperature is conveyed to a second painting device, finishing paint is applied to the hand wheel through the second painting device, the hand wheel is dried again through a second drying device after finishing paint is completed, the hand wheel after drying is conveyed to an automatic blanking device, and material taking and blanking are performed on the hand wheel positioned on a clamping device through the automatic blanking device. The invention firstly drives a fixing plate to move through an automatic feeding device, the fixing plate is fixedly arranged on a conical plate, so that the conical plate moves towards a first roller and a second roller, the first roller and the second roller are pushed to be relatively far away, the abrasion between the conical plate and a first clamping plate and a second clamping plate is reduced through the arrangement of the first roller and the second roller, the service life of the whole equipment is prolonged, the first roller and the second roller are respectively and rotatably arranged on the first clamping plate and the second clamping plate, so that the first clamping plate and the second clamping plate are relatively far away along a T-shaped sliding groove, a first square inserted rod and a second square inserted rod which are arranged on the first clamping plate and the second clamping plate are far away, then a safety valve is moved to a clamping device through the automatic feeding device, even if the safety valve is positioned between the first square inserted rod on the first clamping plate and the second square inserted rod on the second clamping plate, the automatic feeding device stops driving the fixing plate, the conical plate is reset through the third spring and the fourth spring, the thrust of the conical plate on the first roller and the second roller is stopped, namely the fixing plate is reset, the next clamping of the hand wheel is facilitated, the first clamping plate and the second clamping plate are reset through the first spring and the second spring, the first square insertion rod and the second square insertion rod are inserted into the safety valve hand wheel square hole, the clamping of the safety valve hand wheel is completed, the clamping is convenient and rapid, the hand wheels are sequentially fixed on the plurality of clamping devices through the arranged hand wheels, the clamped hand wheels are transported to the first painting device through the transporting device, the first painting device is used for painting the hand wheel, the hand wheels are transported to the first drying device through the transporting device after the hand wheel priming paint is completed for drying treatment, the hand wheels are transported to the air cooling device for cooling after the drying is completed, and certain residual temperature of the cooled hand wheels needs to be kept, the hand wheel with residual temperature is transported to a second painting device, finish paint is applied to the hand wheel through the second painting device, the hand wheel is dried again through a second drying device after finish paint is finished, the dried hand wheel is transported to an automatic blanking device, the hand wheel on a clamping device is taken and blanked through the automatic blanking device, automatic loading and unloading of the hand wheel of the safety valve are achieved, continuous painting operation is performed on the hand wheel, the automation degree is high, the hand wheel can be continuously processed, stopping and turning are not needed, production efficiency is greatly improved, labor force is reduced, and continuity in the processing process is guaranteed; first square inserted bar is the toper setting and can improves the cooperation with the hand wheel quad slit, makes its sealed effectual, avoids paint to get into in the hand wheel quad slit, the follow-up hand wheel of being convenient for take.

The automatic feeding device comprises a first support fixedly arranged on a support body, a polygonal hollow pipe fixedly arranged on the first support, a discharge hole arranged at the bottom end of the polygonal hollow pipe, a plurality of fourth rollers which are annularly distributed at equal intervals and are arranged on the inner wall of the polygonal hollow pipe in a rotating manner, a first shaft rotatably arranged at the lower end of the polygonal hollow pipe, a second shaft rotatably arranged under the first shaft and arranged at the lower end of the polygonal hollow pipe, a first belt body wound on the first shaft and the second shaft simultaneously, a first gear fixedly sleeved on the first shaft, a second motor for driving the first gear to rotate, a third shaft symmetrically rotated with the first shaft and arranged on the polygonal hollow pipe, a fourth shaft symmetrically rotated with the second shaft and arranged on the polygonal hollow pipe, a second belt body sleeved on the third shaft and the fourth shaft simultaneously, a second gear fixedly sleeved on the third shaft and meshed, The push plate is movably arranged at the lower end of the polygonal hollow pipe, the magnetic block is fixedly arranged at one end of the push plate, the rodless cylinder is used for driving the push plate to move, the ejector rod is movably arranged on the polygonal hollow pipe, the first cylinder is used for driving the ejector rod to move, and the second cylinder is fixedly arranged on the frame body; the fixed plate is pushed to move by the second air cylinder, so that the first square insertion rod and the second square insertion rod are relatively far away, the push plate is driven to move by the rodless air cylinder, the hand wheel at the discharge port of the polygonal hollow pipe is moved to the clamping device, namely, the hand wheel moves towards the first square insertion rod and the second square insertion rod, the hand wheel is attached to the magnetic block in the process that the push plate pushes the hand wheel by the arrangement of the magnetic block on the push plate, the deviation of the hand wheel in the pushing process is avoided, the first square insertion rod and the second square insertion rod can be aligned to the square hole on the hand wheel, the orientation of the square hole of the hand wheel can be ensured by the matching of the polygonal hollow pipe and the hand wheel, namely, the first square insertion rod and the second square insertion rod can be inserted and matched with the square hole of the hand wheel, when the hand wheel at the bottommost end of the polygonal hollow pipe passes through the first air cylinder, the ejector rod is driven to move by the first air cylinder, the first gear is driven to rotate by the second motor, the first gear is meshed with the second gear, so that the first gear and the second gear rotate relatively, the first shaft and the third shaft rotate relatively, the first belt body and the second belt body run relatively, the bottom hand wheel can be transported through the first belt body and the second belt body, the bottom hand wheel is separated from the hand wheel above the bottom hand wheel, the bottom hand wheel and the hand wheel are prevented from interfering with each other in the horizontal moving process, and the bottom hand wheel can move out of the polygonal hollow pipe; make the tensioning of first area body simultaneously the primary shaft rotate the in-process and can drive its operation through the secondary shaft, make the tensioning of second area body simultaneously the rotation of third axle in-process can drive its operation through the fourth shaft.

The first painting device comprises a paint box, a first inlet arranged on the paint box, a first outlet arranged on the paint box, a first partition plate and a second partition plate which are fixedly arranged in the paint box, a movable plate which is positioned between the first partition plate and the second partition plate and is movably arranged in the paint box, a third air cylinder for driving the movable plate to reciprocate, a first one-way valve arranged on the first partition plate, a second one-way valve arranged on the second partition plate, a third one-way valve arranged on the movable plate, an arc-shaped box fixedly arranged on the paint box, a notch arranged on the arc-shaped box, a second inlet arranged on the arc-shaped box, a second outlet arranged on the arc-shaped box, a filter plate arranged on the arc-shaped box and a paint injection assembly for injecting paint into the paint box, wherein the first inlet corresponds to the second outlet, and the first outlet corresponds to the second inlet; the third cylinder drives the movable plate to be located between the first partition plate and the second partition plate to move in a reciprocating mode, the first check valve, the second check valve and the third check valve are arranged on the first partition plate, the second partition plate and the movable plate, paint in the paint box flows in a directional mode, the paint in the paint box is discharged through the first outlet, the paint in the paint box enters the arc-shaped box from the second inlet on the arc-shaped box, the hand wheel is located in the arc-shaped box to be soaked and painted, paint which is excessive out of the arc-shaped box is discharged through the second outlet and returns to the paint box from the first inlet again, through the arrangement, the paint liquid level in the arc-shaped box can be prevented from being solidified, the paint which returns to the paint box again can be filtered through the filter plate firstly, impurities in the paint are filtered, meanwhile, bubbles in the paint are broken, mixed paint is injected into the paint box through the paint injection assembly, and the paint is replenished, even if the paint amount in the arc-, subsequent hand wheel japanning is not comprehensive after avoiding paint to reduce, even the hand wheel can be submerged completely to the paint that is located the arc incasement, can step down clamping device through the fluting setting.

The paint injection assembly comprises a fixed seat, a hose fixedly arranged on the fixed seat, a rotary table rotatably arranged on the fixed seat, a plurality of fifth rollers which are distributed in an equidistant annular manner and rotatably arranged on the rotary table, and a third motor for driving the rotary table to rotate, wherein one end of the hose is communicated with a paint box, and the other end of the hose is communicated with paint stirring equipment; through the rotation of third motor drive carousel, make a plurality of fifth gyro wheels on the carousel carry out the revolution, make the fifth gyro wheel be located the hose and roll, the directional flow of paint in the extrusion hose pours into paint into to the paint incasement, can control its volume of pouring into paint into to the paint incasement through the slew velocity of control carousel, ensure that the paint of arc incasement can not follow fluting and flow.

The first drying device comprises a first conveying belt, a plurality of first sealing plates fixedly arranged on the first conveying belt at equal intervals, a first plate and a second plate fixedly arranged on a frame body, a second conveying belt arranged on the frame body, a first convex part and a second convex part arranged on the second conveying belt, a plurality of second sealing plates fixedly arranged on the second conveying belt at equal intervals, two air inlets and two air outlets arranged on the second plate, and a hot air box for drying a safety valve hand wheel between the first plate and the second plate, wherein the first plate, the second plate, the first conveying belt, the second conveying belt, the first sealing plates and the second sealing plates are enclosed to form a heating cavity; the first conveyer belt and the second conveyer belt run synchronously to ensure that the first sealing plate and the second sealing plate on the conveyer belt revolve synchronously, the heating cavity is enclosed by the first plate, the second plate, the first conveyer belt, the second conveyer belt, the first sealing plate, the first convex part, the second convex part and the second sealing plate, so that the heating cavity is sealed, the energy consumption is saved, hot air is blown into the two air inlets through the hot air box to heat the heating cavity, the air in the heating cavity returns to the hot air box through the two air outlets again, the heat is recycled, the energy consumption is saved, the hand wheel drying effect in the period can be improved through the sealed heating cavity, the stability in the hand wheel drying effect is kept to be certain, meanwhile, the drying efficiency of the hand wheel is accelerated again by the heat control flow in the drying device, continuous drying can be performed by the hand wheel which sequentially passes through the drying device through the arrangement, the machine does not need to be stopped in the process, and meanwhile, the drying effect is ensured; the first conveying belt and the second conveying belt are synchronous with the conveying device, so that the clamping device and a hand wheel on the clamping device are positioned between two adjacent first sealing plates.

The automatic blanking device comprises a limiting frame, a fourth air cylinder fixedly arranged on the frame body and a fifth air cylinder used for driving the limiting frame to move up and down; the limiting frame is driven to ascend through the fifth cylinder, the hand wheel is located in the limiting frame, the fixing plate on the clamping device is driven to move through the fourth cylinder, the first square inserting rod and the second square inserting rod are kept away, the hand wheel is prevented from being adhered to one of the square inserting rods through the limiting frame, the hand wheel can be taken down from the clamping device, and the material taking work of the hand wheel is completed.

The invention also discloses a production process of the safety valve, which comprises the following steps:

a. feeding: the safety valve hand wheel is fixed on a clamping device on the conveying device by adopting an automatic feeding device;

b. priming paint: the conveying device sequentially passes the clamping devices on the conveying device through the first painting device, and the safety valve hand wheel on the clamping device is painted with primer through the first painting device;

c. drying: heating and drying the safety valve hand wheel with the primer by sequentially passing through a first drying device by a conveying device;

d. and (3) cooling: cooling the dried safety valve hand wheel by using an air cooling device and ensuring that residual temperature is remained;

e. and (3) finishing paint: finishing paint on the safety valve hand wheel with residual temperature through a second painting device;

f. secondary drying: the safety valve hand wheel on which finish paint is coated is heated and dried through a second drying device, and the paint baking work of the safety valve hand wheel is completed;

g. blanking: and taking down the processed safety valve hand wheel from the clamping device by adopting an automatic blanking device.

The hand wheels are sequentially fixed on a plurality of clamping devices through the arrangement, the clamped hand wheels are transported to a first painting device through a conveying device, priming paint is applied to the hand wheels through the first painting device, the hand wheels are transported to a first drying device through the conveying device after the priming paint of the hand wheels is finished to be dried, the hand wheels are transported to an air cooling device to be cooled after the drying is finished, a certain residual temperature of the cooled hand wheels needs to be reserved, the hand wheels with the residual temperature are transported to a second painting device, the hand wheels are painted with the top paint through the second painting device, the hand wheels are dried again through the second drying device after the top paint is finished, the dried hand wheels are transported to an automatic blanking device, the hand wheels on the clamping devices are taken out and blanked through the automatic blanking device, automatic loading and unloading of the hand wheels are realized, continuous painting operation is carried out on the hand wheels, the automation degree is high, the hand wheels can be continuously processed without stopping and turning, so that the production efficiency is greatly improved, the labor force is reduced, and the continuity in the processing process is ensured; the hand wheel with residual temperature is convenient for finish paint to be pasted on the surface of the hand wheel in the finish paint applying process of the second paint applying device, and is convenient for the subsequent drying of the hand wheel.

The invention has the following advantages: the hand wheel clamped by the conveying device is conveyed to the first painting device, priming paint is applied to the hand wheel by the first painting device, the hand wheel is conveyed to the first drying device by the conveying device after priming paint of the hand wheel is finished, drying treatment is carried out, the hand wheel is conveyed to the air cooling device after drying is finished, a certain residual temperature needs to be reserved for the cooled hand wheel, the hand wheel with the residual temperature is conveyed to the second painting device, finishing paint is applied to the hand wheel by the second painting device, the hand wheel is dried again by the second drying device after finishing paint, the hand wheel after drying is conveyed to the automatic blanking device, the hand wheel on the clamping device is unloaded by the automatic blanking device, automatic loading and unloading of the safety valve hand wheel are realized, continuous painting operation is carried out on the hand wheel, the automation degree is high, the hand wheel can be continuously processed, stopping and turning are not needed, and the production efficiency is greatly improved, the labor force is reduced, and the continuity in the processing process is ensured.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a structural sectional view taken along line a-a of fig. 2.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is an enlarged view of fig. 3 at C.

Fig. 6 is a structural sectional view taken along line C-C in fig. 2.

Fig. 7 is a cross-sectional view taken along line D-D of fig. 2.

Fig. 8 is a structural sectional view taken along line E-E of fig. 7.

Fig. 9 is a schematic front view of the present invention.

Fig. 10 is a structural sectional view taken along line B-B in fig. 9.

Fig. 11 is an enlarged view of fig. 10 at B.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 11, a safety valve production apparatus includes a frame body 1, a conveying device 2 disposed on the frame body, a plurality of clamping devices 3 disposed on the conveying device and used for clamping a safety valve hand wheel, an automatic feeding device 4 disposed on the frame body, a first painting device 5 used for painting a primer on the safety valve hand wheel, a second painting device 6 used for painting a finish on the safety valve hand wheel, a first drying device 7 used for drying the safety valve hand wheel with the primer, a second drying device 8 used for drying the safety valve hand wheel with the finish, an automatic blanking device 9 disposed on the frame body, and an air cooling device 10 disposed between the first drying device and the second painting device, wherein the clamping devices 3 include a base 31 fixedly disposed on the conveying device, a T-shaped chute 32 disposed on the base, a first clamping plate 33 and a second clamping plate 34 movably disposed on the T-shaped chute, A first roller 35 rotatably arranged on the first clamping plate, a second roller 36 rotatably arranged on the second clamping plate, a first spring 37 and a second spring 38 with two ends respectively fixedly arranged on the first clamping plate and the second clamping plate, a first square inserted bar 39 fixedly arranged on the first clamping plate, a second square inserted bar 310 symmetrically and fixedly arranged on the second clamping plate with the first square inserted bar, a conical plate 311 movably arranged on the base, a fixing plate 312 movably arranged on the base in a penetrating way and with one end fixed on the conical plate, a third roller 313 rotatably arranged at one end of the fixing plate, a third spring 314 and a fourth spring 315 with two ends respectively fixedly arranged on the base and the conical plate, wherein the first square inserted bar and the second square inserted bar have the same structure, one end of the first square inserted bar is arranged in a conical shape and is driven to move by an automatic feeding device, the fixing plate is fixedly arranged on the conical plate, thereby the conical plate moves towards the direction of the first roller and the second roller, the first roller and the second roller are pushed to be relatively far away, the abrasion between the conical plate and the first clamping plate and the abrasion between the conical plate and the second clamping plate are reduced through the arrangement of the first roller and the second roller, the service life of the whole equipment is prolonged, the first roller and the second roller are respectively and rotatably arranged on the first clamping plate and the second clamping plate, so that the first clamping plate and the second clamping plate are relatively far away along the direction of the T-shaped chute, the first square inserted rod and the second square inserted rod which are arranged on the first clamping plate and the second clamping plate are far away, the safety valve hand wheel is moved to the clamping device through the automatic feeding device, even if the safety valve hand wheel is positioned between the first square inserted rod on the first clamping plate and the second square inserted rod on the second clamping plate, the automatic feeding device stops driving the fixing plate, and the conical plate is reset through the third spring and the fourth spring, stopping the thrust of the conical plate to the first roller and the second roller, namely resetting the fixing plate to facilitate the next clamping of a hand wheel, resetting the first clamping plate and the second clamping plate through the first spring and the second spring, inserting the first square insertion rod and the second square insertion rod into a hand wheel square hole of the safety valve to complete the clamping of the hand wheel of the safety valve, wherein the clamping is convenient and quick, the hand wheel is sequentially fixed on a plurality of clamping devices through the arrangement, the clamped hand wheel is transported to a first painting device through a conveying device, priming paint is applied to the hand wheel through the first painting device, the hand wheel is transported to a first drying device through the conveying device after the priming paint of the hand wheel is completed, the hand wheel is transported to an air cooling device for cooling after the drying is completed, the cooled hand wheel needs to keep a certain residual temperature, then the hand wheel with the residual temperature is transported to a second painting device, and finish paint is applied to the hand wheel through the second painting device, after finishing finish paint, the hand wheel is dried again through the second drying device, the dried hand wheel is conveyed to the automatic blanking device, the hand wheel on the clamping device is unloaded through the automatic blanking device, automatic loading and unloading of the safety valve hand wheel are realized, continuous paint baking operation is carried out on the hand wheel, the automation degree is high, the hand wheel can be continuously processed, no shutdown or diversion is needed, the production efficiency is greatly improved, the labor force is reduced, and the continuity in the processing process is ensured; first square inserted bar is the toper setting and can improves the cooperation with the hand wheel quad slit, makes its sealed effectual, avoids paint to get into in the hand wheel quad slit, the follow-up hand wheel of being convenient for take.

The automatic feeding device 4 comprises a first support 41 fixedly arranged on the frame body, a polygonal hollow pipe 42 fixedly arranged on the first support, a discharge hole 43 arranged at the bottom end of the polygonal hollow pipe, a plurality of fourth rollers 44 which are annularly distributed at equal intervals and are rotatably arranged on the inner wall of the polygonal hollow pipe, a first shaft 45 rotatably arranged at the lower end of the polygonal hollow pipe, a second shaft 46 positioned right below the first shaft and rotatably arranged at the lower end of the polygonal hollow pipe, a first belt 47 wound on the first shaft and the second shaft simultaneously, a first gear 48 fixedly sleeved on the first shaft, a second motor 49 used for driving the first gear to rotate, a third shaft 410 symmetrically rotated with the first shaft and arranged on the polygonal hollow pipe, a fourth shaft 411 symmetrically rotated with the second shaft and arranged on the polygonal hollow pipe, a second belt 412 simultaneously sleeved on the third shaft and the fourth shaft, a second gear fixedly sleeved on the third shaft and meshed with the first, The device comprises a push plate 414 movably arranged at the lower end of a polygonal hollow pipe, a magnetic block 415 fixedly arranged at one end of the push plate, a rodless cylinder 416 for driving the push plate to move, a mandril 417 movably arranged on the polygonal hollow pipe, a first cylinder 418 for driving the mandril to move, and a second cylinder 419 fixedly arranged on a frame body; the fixed plate is pushed to move by the second air cylinder, so that the first square insertion rod and the second square insertion rod are relatively far away, the push plate is driven to move by the rodless air cylinder, the hand wheel at the discharge port of the polygonal hollow pipe is moved to the clamping device, namely, the hand wheel moves towards the first square insertion rod and the second square insertion rod, the hand wheel is attached to the magnetic block in the process that the push plate pushes the hand wheel by the arrangement of the magnetic block on the push plate, the deviation of the hand wheel in the pushing process is avoided, the first square insertion rod and the second square insertion rod can be aligned to the square hole on the hand wheel, the orientation of the square hole of the hand wheel can be ensured by the matching of the polygonal hollow pipe and the hand wheel, namely, the first square insertion rod and the second square insertion rod can be inserted and matched with the square hole of the hand wheel, when the hand wheel at the bottommost end of the polygonal hollow pipe passes through the first air cylinder, the ejector rod is driven to move by the first air cylinder, the first gear is driven to rotate by the second motor, the first gear is meshed with the second gear, so that the first gear and the second gear rotate relatively, the first shaft and the third shaft rotate relatively, the first belt body and the second belt body run relatively, the bottom hand wheel can be transported through the first belt body and the second belt body, the bottom hand wheel is separated from the hand wheel above the bottom hand wheel, the bottom hand wheel and the hand wheel are prevented from interfering with each other in the horizontal moving process, and the bottom hand wheel can move out of the polygonal hollow pipe; make the tensioning of first area body simultaneously the primary shaft rotate the in-process and can drive its operation through the secondary shaft, make the tensioning of second area body simultaneously the rotation of third axle in-process can drive its operation through the fourth shaft.

The first painting device 5 comprises a paint box 51, a first inlet 53 arranged on the paint box, a first outlet 54 arranged on the paint box, a first partition plate 55 and a second partition plate 56 fixedly arranged in the paint box, a movable plate 57 movably arranged in the paint box between the first partition plate and the second partition plate, a third cylinder 58 for driving the movable plate to reciprocate, a first check valve 59 arranged on the first partition plate, a second check valve 510 arranged on the second partition plate, a third check valve 511 arranged on the movable plate, an arc-shaped box 512 fixedly arranged on the paint box, a notch 513 arranged on the arc-shaped box, a second inlet 514 arranged on the arc-shaped box, a second outlet 515 arranged on the arc-shaped box, a filter plate 516 arranged on the arc-shaped box, and a paint injection assembly 517 for injecting paint into the paint box, the first inlet corresponds to the second outlet, and the first outlet corresponds to the second inlet; the paint injection assembly 517 comprises a fixed seat 5171, a hose 5172 fixedly arranged on the fixed seat, a rotary disc 5173 rotatably arranged on the fixed seat, a plurality of fifth rollers 5174 rotatably arranged on the rotary disc in an equidistant annular distribution manner, and a third motor 5175 for driving the rotary disc to rotate, wherein one end of the hose is communicated with a paint box, and the other end of the hose is communicated with paint stirring equipment; through the rotation of third motor drive carousel, make a plurality of fifth gyro wheels on the carousel carry out the revolution, make the fifth gyro wheel be located the hose and roll, the directional flow of paint in the extrusion hose pours into paint into to the paint incasement, can control its volume of pouring into paint into to the paint incasement through the slew velocity of control carousel, ensure that the paint of arc incasement can not follow fluting and flow. The third cylinder drives the movable plate to be located between the first partition plate and the second partition plate to move in a reciprocating mode, the first check valve, the second check valve and the third check valve are arranged on the first partition plate, the second partition plate and the movable plate, paint in the paint box flows in a directional mode, the paint in the paint box is discharged through the first outlet, the paint in the paint box enters the arc-shaped box from the second inlet on the arc-shaped box, the hand wheel is located in the arc-shaped box to be soaked and painted, paint which is excessive out of the arc-shaped box is discharged through the second outlet and returns to the paint box from the first inlet again, through the arrangement, the paint liquid level in the arc-shaped box can be prevented from being solidified, the paint which returns to the paint box again can be filtered through the filter plate firstly, impurities in the paint are filtered, meanwhile, bubbles in the paint are broken, mixed paint is injected into the paint box through the paint injection assembly, and the paint is replenished, even if the paint amount in the arc-, subsequent hand wheel japanning is not comprehensive after avoiding paint to reduce, even the hand wheel can be submerged completely to the paint that is located the arc incasement, can step down clamping device through the fluting setting.

The first drying device 7 comprises a first conveying belt 71, a plurality of first sealing plates 72 which are fixedly arranged on the first conveying belt at equal intervals, a first plate 73 and a second plate 74 which are fixedly arranged on a frame body, a second conveying belt 75 which is arranged on the frame body, a first convex part 76 and a second convex part 77 which are arranged on the second conveying belt, a plurality of second sealing plates 78 which are fixedly arranged on the second conveying belt at equal intervals, two air inlets 79 and two air outlets 710 which are arranged on the second plate, and a hot air box 711 which is used for drying a safety valve hand wheel between the first plate and the second plate, wherein a heating cavity 712 is enclosed by the first plate, the second plate, the first conveying belt, the second conveying belt, the first sealing plate and the second sealing plate; the first conveyer belt and the second conveyer belt run synchronously to ensure that the first sealing plate and the second sealing plate on the conveyer belt revolve synchronously, the heating cavity is enclosed by the first plate, the second plate, the first conveyer belt, the second conveyer belt, the first sealing plate, the first convex part, the second convex part and the second sealing plate, so that the heating cavity is sealed, the energy consumption is saved, hot air is blown into the two air inlets through the hot air box to heat the heating cavity, the air in the heating cavity returns to the hot air box through the two air outlets again, the heat is recycled, the energy consumption is saved, the hand wheel drying effect in the period can be improved through the sealed heating cavity, the stability in the hand wheel drying effect is kept to be certain, meanwhile, the drying efficiency of the hand wheel is accelerated again by the heat control flow in the drying device, continuous drying can be performed by the hand wheel which sequentially passes through the drying device through the arrangement, the machine does not need to be stopped in the process, and meanwhile, the drying effect is ensured; the first conveying belt and the second conveying belt are synchronous with the conveying device, so that the clamping device and a hand wheel on the clamping device are positioned between two adjacent first sealing plates.

The automatic blanking device 9 comprises a limiting frame 91, a fourth air cylinder 92 fixedly arranged on the frame body and a fifth air cylinder 93 used for driving the limiting frame to move up and down; the limiting frame is driven to ascend through the fifth cylinder, the hand wheel is located in the limiting frame, the fixing plate on the clamping device is driven to move through the fourth cylinder, the first square inserting rod and the second square inserting rod are kept away, the hand wheel is prevented from being adhered to one of the square inserting rods through the limiting frame, the hand wheel can be taken down from the clamping device, and the material taking work of the hand wheel is completed.

The first painting device and the second painting device are identical in structure, the first painting device coats primer on the hand wheel, and the second painting device coats finish on the hand wheel; the first drying device and the second drying device have the same structure and dry the hand wheels; the cold air device is the same as the first drying device in structure, the cold air device is used for refrigerating, the hand wheels are cooled, and the hot air box is changed into the cold air box.

The second motor, the rodless cylinder and the third motor are commercially available.

Claims

1. The production equipment of the safety valve is characterized in that: the automatic paint coating device comprises a frame body (1), a conveying device (2) arranged on the frame body, a plurality of clamping devices (3) arranged on the conveying device and used for clamping safety valve hand wheels, an automatic feeding device (4) arranged on the frame body, a first painting device (5) used for painting primer on the safety valve hand wheels, a second painting device (6) used for painting finish on the safety valve hand wheels, a first drying device (7) used for drying the safety valve hand wheels with the primer, a second drying device (8) used for drying the safety valve hand wheels with the finish, an automatic blanking device (9) arranged on the frame body, and an air cooling device (10) arranged between the first drying device and the second painting device, wherein the clamping devices (3) comprise a base (31) fixedly arranged on the conveying device, a T-shaped sliding groove (32) arranged on the base, a first clamping plate (33) and a second clamping plate (34) movably arranged on the T-shaped sliding groove, The clamp comprises a first roller (35) rotatably arranged on a first clamp plate, a second roller (36) rotatably arranged on a second clamp plate, a first spring (37) and a second spring (38) with two ends respectively fixedly arranged on the first clamp plate and the second clamp plate, a first square inserted rod (39) fixedly arranged on the first clamp plate, a second square inserted rod (310) symmetrically and fixedly arranged on the second clamp plate with the first square inserted rod, a conical plate (311) movably arranged on a base, a fixing plate (312) movably arranged on the base in a penetrating mode and with one end fixed on the conical plate, a third roller (313) rotatably arranged at one end of the fixing plate, a third spring (314) and a fourth spring (315) with two ends respectively fixedly arranged on the base and the conical plate, wherein the first square inserted rod and the second square inserted rod have the same structure, and one end of the first square inserted rod is arranged in a conical shape; automatic loading attachment (4) are including fixed first support (41) of locating on the support body, fixed polygon hollow tube (42) of locating on first support, locate discharge gate (43) of polygon hollow tube bottom, equidistance annular distribution rotates and locates a plurality of fourth gyro wheels (44) on polygon hollow tube inner wall, first axle (45) of locating polygon hollow tube lower extreme rotate, be located under the first axle second axle (46) of locating polygon hollow tube lower extreme, simultaneously around the epaxial first area body (47) of first axle and second, fix epaxial first gear (48) of cover locating, be used for driving first gear pivoted second motor (49), rotate with first axle symmetry and locate third axle (410) on the polygon hollow tube, rotate with the second axle symmetry and locate fourth axle (411) on the polygon hollow tube, overlap simultaneously second axle body and fourth epaxial second (412), A second gear fixedly sleeved on the third shaft and meshed with the first gear, a push plate (414) movably arranged at the lower end of the polygonal hollow tube, a magnetic block (415) fixedly arranged at one end of the push plate, a rodless cylinder (416) used for driving the push plate to move, a push rod (417) movably arranged on the polygonal hollow tube, a first cylinder (418) used for driving the push rod to move, and a second cylinder (419) fixedly arranged on the frame body; the first square insertion rod and the second square insertion rod are relatively far away from each other by the movement of the fixed plate pushed by the second cylinder.

2. The production facility of a safety valve according to claim 1, characterized in that: the first painting device (5) comprises a paint box (51), a first inlet (53) arranged on the paint box, a first outlet (54) arranged on the paint box, a first partition plate (55) and a second partition plate (56) fixedly arranged in the paint box, a moving plate (57) movably arranged in the paint box between the first partition plate and the second partition plate, a third air cylinder (58) used for driving the moving plate to move in a reciprocating manner, a first one-way valve (59) arranged on the first partition plate, a second one-way valve (510) arranged on the second partition plate, a third one-way valve (511) arranged on the moving plate, an arc-shaped box (512) fixedly arranged on the paint box, a notch (513) arranged on the arc-shaped box, a second inlet (514) arranged on the arc-shaped box, a second outlet (515) arranged on the arc-shaped box, a filter plate (516) arranged on the arc-shaped box, and a paint injection assembly (517) used for injecting paint into the paint box, the first inlet corresponds to the second outlet, and the first outlet corresponds to the second inlet.

3. The production facility of a safety valve according to claim 2, characterized in that: annotate lacquer subassembly (517) including fixing base (5171), fixed hose (5172) of locating on the fixing base, rotate carousel (5173) of locating on the fixing base, equidistance annular distributes and rotates a plurality of fifth gyro wheels (5174) of locating on the carousel, be used for driving carousel pivoted third motor (5175), hose one end and paint box intercommunication, the other end and paint agitated vessel intercommunication.

4. The production facility of a safety valve according to claim 1, characterized in that: the first drying device (7) comprises a first conveying belt (71), a plurality of first sealing plates (72) fixedly arranged on the first conveying belt at equal intervals, a first plate (73) and a second plate (74) fixedly arranged on a frame body, a second conveying belt (75) arranged on the frame body, a first convex part (76) and a second convex part (77) arranged on the second conveying belt, a plurality of second sealing plates (78) fixedly arranged on the second conveying belt at equal intervals, two air inlets (79) and two air outlets (710) arranged on the second plate, and a hot air box (711) used for drying a safety valve hand wheel between the first plate and the second plate, wherein the first plate, the second plate, the first conveying belt, the second conveying belt, the first sealing plates and the second sealing plates are surrounded to form a heating cavity (712).

5. The production facility of a safety valve according to claim 1, characterized in that: the automatic blanking device (9) comprises a limiting frame (91), a fourth air cylinder (92) fixedly arranged on the frame body and a fifth air cylinder (93) used for driving the limiting frame to move up and down; and the fixing plate on the clamping device is driven to move by the fourth air cylinder.

6. A process for manufacturing a production facility using the safety valve according to any one of claims 1 to 5, characterized in that: the method comprises the following steps: