Deburring device for valve casting part machining

Abstract

The utility model provides a deburring device for valve casting part machining, and relates to the field of valve casting part machining. The deburring device for valve casting part machining comprises a protective cover, a bottom plate is fixedly installed at the bottom of the protective cover, a supporting seat is further fixedly installed at the bottom of the protective cover, a high-frequency vibration table is fixedly installed on the upper side of the bottom plate, a clamping disc is fixedly installed on the upper side of the high-frequency vibration table, and a deburring mechanism is arranged at the top of the protective cover. The deburring mechanism comprises a grinding assembly, a sand blasting assembly and a hydraulic assembly. According to the deburring device for valve casting machining, the high-frequency vibration table is arranged in cooperation with the grinding assembly, the sand blasting assembly and the hydraulic assembly in the deburring mechanism, high-frequency vibration can be generated when the high-frequency vibration table works, large burrs can be firstly vibrated off, double deburring treatment can be conducted on the surface of a casting through a rotating grinding wheel and sand sprayed out through a nozzle, and the deburring effect is good. Therefore, the deburring efficiency of the device can be greatly improved, and the process time can be shortened.

Description

TECHNICAL FIELD

[0001] The application relates to the field of valve casting processing, in particular to a deburring device for valve casting processing. BACKGROUND

[0002] During the forming process of a valve casting, burrs, flash and other defects are easily generated on the surface and internal flow channel of the valve casting due to casting process characteristics (such as mold parting surface and pouring residue), and thus deburring processing is required.

[0003] Traditional deburring processes mostly adopt a step-by-step processing mode, including mechanical polishing and sand blasting, and the process is relatively dispersed, and a single process cannot take into account the variety of burrs, and thus multiple rework is often required, resulting in low deburring efficiency of the valve casting.

[0004] In order to solve the above problems, a deburring device for valve casting processing is provided, which realizes one-time efficient removal of burrs through a composite processing mode, significantly shortens the process chain and improves the processing quality. CONTENT OF THE INVENTION

[0005] (I) Technical problems solved

[0006] In view of the deficiencies of the prior art, the application provides a deburring device for valve casting processing, which solves the problems mentioned in the background.

[0007] (II) Technical solutions

[0008] In order to achieve the above purposes, the application is implemented by the following technical solutions: a deburring device for valve casting processing, comprising a protective cover, a bottom plate fixedly installed at the bottom of the protective cover, a supporting seat fixedly installed at the bottom of the protective cover, a high-frequency vibration table fixedly installed on the upper side of the bottom plate, a clamping disc fixedly installed on the upper side of the high-frequency vibration table, a deburring mechanism provided at the top of the protective cover, the deburring mechanism comprising a polishing assembly, a sand blasting assembly and a hydraulic assembly, the polishing assembly comprising a grinding wheel for polishing the valve casting, the sand blasting assembly comprising a sand distribution pipe, two tail ends of the sand distribution pipe being communicated with a nozzle for sand blasting the valve casting, and a sand blasting recovery assembly being provided at the bottom of the bottom plate.

[0009] By adopting the above technical solutions, the high-frequency vibration table generates high-frequency vibration when working, which can shake off large burrs, and the rotating grinding wheel and the sand blasted from the nozzle can perform double deburring treatment on the surface of the valve casting, thereby greatly improving the deburring efficiency of the device.

[0010] Preferably, the polishing assembly further comprises a mounting frame fixedly connected with the output end of the hydraulic assembly, a servo motor is fixedly installed on the upper side of the mounting frame, and the grinding wheel is fixedly connected with the output end of the servo motor.

[0011] By adopting the above technical scheme, the hydraulic assembly can drive the polishing assembly to be adjusted in lifting, the servo motor can drive the grinding wheel to rotate, and the rotating grinding wheel can polish and deburr the castings.

[0012] Preferably, the sand blasting assembly further comprises a sand storage tank and a sand blasting pump fixedly installed on the upper side of the support base, a sand suction pipe is communicatively arranged at the sand suction end of the sand blasting pump, the tail end of the sand suction pipe is communicatively arranged with the sand storage tank, a sand discharge pipe is communicatively arranged at the sand discharge end of the sand blasting pump, the tail end of the sand discharge pipe extends into the interior of the protective cover, and a sand guide hose is communicatively arranged between the sand discharge pipe and the sand distribution pipe.

[0013] By adopting the above technical scheme, when the sand blasting pump works, the sand in the sand storage tank can be extracted through the sand suction pipe and then conveyed to the sand distribution pipe through the sand discharge pipe and the sand guide hose, and then sprayed out through the nozzles at the two tail ends of the sand distribution pipe to polish and deburr the surface of the castings.

[0014] Preferably, support frames are fixedly installed on the outer sides of the two tail ends of the sand distribution pipe, and the tail ends of the support frames are fixedly connected with the mounting frame.

[0015] By adopting the above technical scheme, the support frames can support and fix the sand distribution pipe.

[0016] Preferably, the sand blasting recovery assembly comprises a collection cover fixedly installed at the bottom of the bottom plate and a vacuum air extractor fixedly installed on the upper side of the support base, an air extraction pipe is communicatively arranged at the air extraction end of the vacuum air extractor, the tail end of the air extraction pipe is communicatively arranged with the collection cover, an air discharge pipe is communicatively arranged at the air discharge end of the vacuum air extractor, and the tail end of the air discharge pipe is communicatively arranged with the sand storage tank.

[0017] By adopting the above technical scheme, when the vacuum air extractor works, a negative pressure can be generated in the collection cover, and the filtered sand after being filtered by the magnetic attraction filter screen can be conveyed back to the interior of the sand storage tank through the air extraction pipe and the air discharge pipe, so as to realize the repeated use of the sand blasting.

[0018] Preferably, a plurality of uniformly distributed sand leakage grooves are formed in the surface of the bottom plate, and a magnetic attraction filter screen that can be pulled out is arranged in the interior of the collection cover.

[0019] By adopting the above technical scheme, the sprayed sand can enter the interior of the collection cover through the sand leakage grooves in the surface of the bottom plate, and the magnetic attraction filter screen can screen and filter the metal debris in the sand blasting by electromagnetic adsorption.

[0020] Preferably, one side of the protective cover is provided with a cover door that can be opened and closed.

[0021] By adopting the technical scheme, when burring is performed, the cover door is closed to prevent sand blasting and debris from splashing, and the observation window arranged on the surface of the cover door facilitates observation of the processing state of the casting.

[0022] (Three) beneficial effects

[0023] The application provides a burring device for valve casting processing.

[0024] 1. The burring device for valve casting processing is provided with a high-frequency vibration table and a polishing assembly, a sand blasting assembly and a hydraulic assembly in the burring mechanism, the high-frequency vibration table generates high-frequency vibration when working, large burrs can be vibrated off, the rotating grinding wheel and the sand blasted through the nozzle can perform double burring treatment on the surface of the casting, so that the burring efficiency of the device can be greatly improved, the process time can be shortened, and the practicality of the device is improved.

[0025] 2. The burring device for valve casting processing is provided with a sand blasting recovery assembly, the blasted sand blasting can enter the inside of the collecting cover through the sand leakage channel on the surface of the bottom plate, the magnetic filter screen filters the metal debris in the sand blasting by electromagnetic adsorption, the vacuum air extractor generates negative pressure in the collecting cover when working, the sand filtered through the magnetic filter screen is conveyed back to the inside of the sand storage tank through the air extraction pipe and the air outlet pipe, the sand blasting is reused, the economic cost is reduced, and the practicality of the device is further improved. DETAILED DESCRIPTION

[0026] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0027] Figure 1 It is a first kind of three-dimensional structure schematic diagram of the application;

[0028] Figure 2 It is a second kind of three-dimensional structure schematic diagram of the application;

[0029] Figure 3 It is a first kind of local three-dimensional structure schematic diagram of the application;

[0030] Figure 4 It is a second kind of local three-dimensional structure schematic diagram of the application;

[0031] Figure 5 It is a local three-dimensional structure schematic diagram of the collecting cover and the magnetic filter screen of the application.

[0032] In the figure: 1, protective cover; 11, bottom plate; 111, sand leakage channel; 12, support seat; 13, cover door; 2, high-frequency vibration table; 3, clamping disc; 4, deburring mechanism; 41, polishing assembly; 411, mounting frame; 412, servo motor; 413, grinding wheel; 42, sand blasting assembly; 421, sand storage box; 422, sand blasting pump; 423, sand inlet pipe; 424, sand outlet pipe; 425, sand distribution pipe; 426, nozzle; 427, sand hose; 428, support frame; 43, hydraulic assembly; 5, sand blasting recovery assembly; 51, collection cover; 52, vacuum fan; 53, exhaust pipe; 54, air outlet pipe; 55, magnetic attraction filter screen. DETAILED DESCRIPTION

[0033] The application will be further described in detail by the accompanying drawings and examples.

[0034] Reference Figures 1 to 5 , the embodiment of the application provides a deburring device for valve casting processing, which comprises a protective cover 1, a bottom plate 11 fixedly installed at the bottom of the protective cover 1, a support seat 12 also fixedly installed at the bottom of the protective cover 1, a high-frequency vibration table 2 fixedly installed at the upper side of the bottom plate 11, a clamping disc 3 fixedly installed at the upper side of the high-frequency vibration table 2, a deburring mechanism 4 arranged at the top of the protective cover 1, the deburring mechanism 4 comprising a polishing assembly 41, a sand blasting assembly 42 and a hydraulic assembly 43, the polishing assembly 41 comprising a grinding wheel 413 for polishing treatment of the casting, the sand blasting assembly 42 comprising a sand distribution pipe 425, both tail ends of the sand distribution pipe 425 being communicatively provided with nozzles 426 for sand blasting treatment of the casting, a sand blasting recovery assembly 5 being arranged at the bottom of the bottom plate 11, the clamping disc 3 being capable of clamping and fixing the casting to be processed, the high-frequency vibration table 2 being capable of generating high-frequency vibration when working, so that large burrs can be shaken off, the rotating grinding wheel 413 and the sand blasted out of the nozzles 426 being capable of performing double deburring treatment on the surface of the casting, so that the deburring efficiency of the device can be greatly improved.

[0035] Reference Figure 3 and Figure 4 In one aspect of the embodiment, the polishing assembly 41 further comprises a mounting frame 411 fixedly connected with the output end of the hydraulic assembly 43, the upper side of the mounting frame 411 being fixedly installed with a servo motor 412, the grinding wheel 413 being fixedly connected with the output end of the servo motor 412, the mounting frame 411 playing a role of supporting and fixing the servo motor 412, the hydraulic assembly 43 being capable of driving the polishing assembly 41 to ascend and descend for adjustment, the servo motor 412 being capable of driving the grinding wheel 413 to rotate, and the rotating grinding wheel 413 being capable of performing polishing and deburring treatment on the casting.

[0036] Reference Figure 2 and Figure 4In one aspect of this embodiment, the sandblasting assembly 42 further includes a sand storage box 421 and a sandblasting pump 422 fixedly installed on the upper side of the support base 12. The sand suction end of the sandblasting pump 422 is connected to a sand inlet pipe 423, and the tail end of the sand inlet pipe 423 is connected to the sand storage box 421. The sand discharge end of the sandblasting pump 422 is connected to a sand discharge pipe 424, and the tail end of the sand discharge pipe 424 extends into the interior of the protective cover 1. A sand guide hose 427 is connected between the sand discharge pipe 424 and the sand distribution pipe 425. When the sandblasting pump 422 is working, it can draw out the sand inside the sand storage box 421 through the sand inlet pipe 423 and transport it to the sand distribution pipe 425 through the sand discharge pipe 424 and the sand guide hose 427. Then, it can spray out through the nozzles 426 at both ends of the sand distribution pipe 425 to perform sandblasting and deburring treatment on the surface of the casting.

[0037] Support frames 428 are fixedly installed on the outer sides of both ends of the sand distribution pipe 425. The tail ends of the support frames 428 are fixedly connected to the mounting frame 411. The support frames 428 serve to support and fix the sand distribution pipe 425.

[0038] Reference Figure 1 , Figure 3 and Figure 5 In one aspect of this embodiment, the sandblasting recovery assembly 5 includes a collection hood 51 fixedly installed at the bottom of the base plate 11 and a vacuum exhaust fan 52 fixedly installed on the upper side of the support base 12. The exhaust end of the vacuum exhaust fan 52 is connected to an exhaust pipe 53, and the tail end of the exhaust pipe 53 is connected to the collection hood 51. The exhaust end of the vacuum exhaust fan 52 is connected to an exhaust pipe 54, and the tail end of the exhaust pipe 54 is connected to a sand storage box 421. When the vacuum exhaust fan 52 is working, it can generate negative pressure in the collection hood 51. The sand filtered by the magnetic filter screen 55 is transported back to the interior of the sand storage box 421 through the exhaust pipe 53 and the exhaust pipe 54, so as to realize the reuse of sandblasting.

[0039] The surface of the base plate 11 is provided with multiple evenly distributed sand-leaking channels 111. The inside of the collection hood 51 is provided with a pull-out magnetic filter 55. The sprayed sand can enter the inside of the collection hood 51 through the sand-leaking channels 111 on the surface of the base plate 11. The magnetic filter 55 uses electromagnetic adsorption to screen and filter the metal debris in the sand.

[0040] The protective cover 1 has an openable door 13 on one side. When deburring is performed, the door 13 can be closed to prevent sandblasting and debris from splashing. The observation window on the surface of the door 13 makes it easy to observe the processing status of the casting.

[0041] All electrical devices in this plan are powered by an external power source.

[0042] Working principle: the valve casting machining deburring device in use, first, through the clamping disc 3 will be clamped and fixed and closed cover 13 of the casting parts to be processed, then start high frequency vibration table 2, high frequency vibration table 2 work produces high frequency vibration can first vibration off big burr, at the same time start servo motor 412 drive grinding wheel 413 rotation, and control hydraulic assembly 43 drive grinding wheel 413 down to with casting parts, and synchronous start sand blasting pump 422, the sand blasting inside the sand storage tank 421 is extracted through the sand pipe 423 and sand pipe 424 and sand hose 427 delivery to the sand pipe 425, again through the nozzle 426 of two tail end of sand pipe 425 spray out, rotating grinding wheel 413 and the sand blasting through the nozzle 426 spray can double deburring treatment on the surface of the casting parts; sand blasting processing, start vacuum fan 52 work, can make the collection cover 51 produce negative pressure, the spray can be sprayed through the sand leakage groove 111 on the surface of the bottom plate 11 into the collection cover 51 inside, magnetic filter screen 55 using electromagnetic adsorption to filter the metal debris in the sand blasting, after screening and filtering through the magnetic filter screen 55 sand is transported back to the inside of the sand storage tank 421 through the exhaust pipe 53 and air outlet pipe 54, realize the reuse of sand blasting.

[0043] It should be noted that in this document, the terms "first" and "second" and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0044] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A deburring device for processing valve castings, comprising a protective cover (1), wherein a base plate (11) is fixedly installed at the bottom of the protective cover (1), and a support base (12) is also fixedly installed at the bottom of the protective cover (1), characterized in that: The upper side of the bottom plate (11) is fixedly installed with a high-frequency vibration table (2), the upper side of the high-frequency vibration table (2) is fixedly installed with a clamping disc (3), the top of the protective cover (1) is provided with a deburring mechanism (4), the deburring mechanism (4) comprises a polishing assembly (41), a sand blasting assembly (42) and a hydraulic assembly (43), the polishing assembly (41) comprises a grinding wheel (413) for polishing the castings, the sand blasting assembly (42) comprises a sand distribution pipe (425), both tail ends of the sand distribution pipe (425) are communicated and provided with a nozzle (426) for sand blasting treatment of the castings, and the bottom of the bottom plate (11) is provided with a sand blasting recovery assembly (5).

2. The deburring device for valve casting machining according to claim 1, characterized in that: The polishing assembly (41) further comprises a mounting frame (411) fixedly connected with the output end of the hydraulic assembly (43), the upper side of the mounting frame (411) is fixedly installed with a servo motor (412), and the grinding wheel (413) is fixedly connected with the output end of the servo motor (412).

3. The deburring device for valve casting machining according to claim 1, characterized in that: The sand blasting assembly (42) further comprises a sand storage tank (421) and a sand blasting pump (422) fixedly installed on the upper side of the support base (12), the suction end of the sand blasting pump (422) is communicated and provided with a sand inlet pipe (423), the tail end of the sand inlet pipe (423) is communicated with the sand storage tank (421), the sand outlet end of the sand blasting pump (422) is communicated and provided with a sand outlet pipe (424), the tail end of the sand outlet pipe (424) extends to the inside of the protective cover (1), and the sand outlet pipe (424) and the sand distribution pipe (425) are communicated and provided with a sand guide hose (427).

4. The deburring device for valve casting machining according to claim 2, characterized in that: The outer sides of both tail ends of the sand distribution pipe (425) are fixedly installed with support frames (428), and the tail ends of the support frames (428) are fixedly connected with the mounting frame (411).

5. The deburring device for valve casting machining according to claim 1, characterized in that: The sand blasting recovery assembly (5) comprises a collection cover (51) fixedly installed at the bottom of the bottom plate (11) and a vacuum exhaust fan (52) fixedly installed on the upper side of the support base (12), the exhaust end of the vacuum exhaust fan (52) is communicated and provided with an exhaust pipe (53), the tail end of the exhaust pipe (53) is communicated with the collection cover (51), the air outlet end of the vacuum exhaust fan (52) is communicated and provided with an air outlet pipe (54), and the tail end of the air outlet pipe (54) is communicated with the sand storage tank (421).

6. The deburring device for valve casting machining according to claim 5, characterized in that: A plurality of uniformly distributed sand leakage grooves (111) are formed in the surface of the bottom plate (11), and the inside of the collection cover (51) is provided with a pullable magnetic filter screen (55).

7. The deburring device for valve casting machining according to claim 1, characterized in that: One side of the protective cover (1) is provided with an openable and closable cover door (13).

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