CN113820083B - Blank casting cavity pressure detection device - Google Patents
Blank casting cavity pressure detection device Download PDFInfo
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- CN113820083B CN113820083B CN202111389582.3A CN202111389582A CN113820083B CN 113820083 B CN113820083 B CN 113820083B CN 202111389582 A CN202111389582 A CN 202111389582A CN 113820083 B CN113820083 B CN 113820083B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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Abstract
The invention relates to the technical field of casting detection, in particular to a blank casting cavity pressure detection device which comprises a pressure detection cover, wherein a rotating sleeve is arranged at the center of a circle on the upper surface of the pressure detection cover, an inner rotor is arranged in the inner cavity of the rotating sleeve, a screw rod is connected with the inner surface of a groove formed in the upper surface of the inner rotor in a threaded manner, the upper end of the screw rod is connected with the screw rod in a threaded manner by penetrating through a through hole in the upper end of the rotating sleeve, a plurality of guide grooves are formed in the outer ring wall of the pressure detection cover around the center of the circle, guide block strips are connected in the guide grooves in a sliding manner, the side guide block strips vertical to the guide block strips are arranged on the side walls of the guide block strips, the device can slide on the guide block strips uniformly through the guide grooves in the outer ring of the pressure detection cover, so that the connection stress between the pressure detection cover and the opening end of a blank casting can be more uniform, and meanwhile, a rotating support plate component can rotate on a second inner slide piece through a rotating support plate, rotate bracket component can be convenient like this support the blank foundry goods.
Description
Technical Field
The invention relates to the field of casting detection, in particular to a blank casting cavity pressure detection device.
Background
Some castings with cavities in the casting industry are generally used as oil cavities, circulating water cavities, compression cavities and the like, the castings are metal forming objects obtained by various casting methods, namely, smelted liquid metal is poured into a casting mold prepared in advance by pouring, injection, suction or other casting methods, and after cooling and subsequent processing means such as grinding and the like, the objects with certain shape, size and performance are obtained, and pressure detection is needed after the castings are formed into blanks, so that good sealing performance of the cavities is ensured, and no leakage risk exists. At present, pressure inspection of the casting cavity is carried out after the casting is finished in a finish machining mode, the pressure inspection is carried out on the casting after the casting is finished in a finish machining mode, the risk cost of a casting manufacturing party is high, particularly, leakage occurs on the casting, the casting is scrapped, and the waste of the finish machining cost is caused.
There are problems as follows:
(1) when the existing blank casting is detected, a plurality of strong push screws are needed to extrude and connect the casting, so that the extrusion force of each bolt cannot be ensured to be balanced in the extrusion and connection process, and the air tightness of the connection between a detection device and the casting cannot be ensured;
(2) in the process of detecting the air tightness of the blank casting, certain deformation or processing defects exist on the contact surface of the bottom of the blank casting, so that the bottom surface of the blank casting cannot be matched with a detection device.
Disclosure of Invention
The invention aims to provide a blank casting cavity pressure detection device to solve the problems in the background technology.
The technical scheme of the invention is as follows: a blank casting cavity pressure detection device comprises a pressure detection cover, wherein a rotation external member is arranged at the center of a circle of the upper surface of the pressure detection cover, an inner rotor is arranged in an inner cavity of the rotation external member, a screw rod is connected with the inner surface of a groove of the inner rotor in an internal thread manner, the upper end of the screw rod penetrates through a through hole at the upper end of the rotation external member and is connected with a rotary table in a threaded manner, a plurality of guide grooves are formed in the outer ring wall of the pressure detection cover around the center of the rotation external member, guide block strips are connected in the guide grooves in a sliding manner, side guide block strips perpendicular to the side walls of the guide block strips are arranged on the side walls of the guide block strips, a base bracket is arranged at the lower end of the side guide block strips, an annular extension sleeve is arranged on the lower surface of the pressure detection cover, an oil nylon ring is bonded in the annular extension sleeve, an L-shaped support rod piece is arranged on the outer wall of the base bracket, a transverse flat plate is connected with a transverse flat plate in a rotating manner, and is provided with a threaded hole, and the threaded hole is in threaded connection with the screw rod.
Preferably, the upper surface of the pressure detection cover is connected with an air inlet pipe perpendicular to the surface of the pressure detection cover in a penetrating manner, the air inlet pipe is symmetrically provided with barometers relative to the rotating sleeve, and the lower ends of the barometers are connected with the upper surface of the pressure detection cover in a penetrating manner.
Preferably, the number of the guide grooves is six, one of the guide grooves is of a rectangular structure, the other five guide grooves are of T-shaped structures, the guide grooves of the rectangular structure are correspondingly provided with connecting sliders relative to the outer walls of the pressure detection covers, the connecting sliders are connected with the outer walls of the pressure detection covers in a sliding mode, and sliding rod pieces are connected in guide holes formed in the connecting sliders in a sliding mode.
Preferably, the lower end of the slide bar member is provided with a transverse support, one end of the transverse support is connected with the outer wall of the base bracket, and the vertical end of the slide bar member is rotatably connected with a holding ring.
Preferably, the guide block strips are provided with six guide block strips, the outer walls of the five guide block strips and the side guide block strips form a T-shaped structure, the outer walls of the side guide block strips are connected with a protection net frame, the protection net frame is of an annular opening structure, and the opening of the protection net frame corresponds to the position of the connecting slide piece.
Preferably, the lower extreme of annular extension cover is provided with the blank foundry goods, and this structure makes can extrude the upper end opening of blank foundry goods 18 closed through annular extension cover 23, like this when the upper end opening inner chamber of blank foundry goods 18 needs to be airtight, can obtain the parcel through annular extension cover 23 with the outer wall of blank foundry goods 18, and oil nylon ring 24 on the annular extension cover 23 inner wall can be with the more accurate closure of blank foundry goods 18 simultaneously.
Preferably, base bracket is the loop configuration, and has seted up T shape inner circle groove on base bracket's the inner wall, and T shape inner circle inslot sliding connection has the rotation and holds in the palm the plate spare, the one end that holds in the palm the plate spare is provided with rather than surface looks vertically first interior slider, and the other end that rotates and hold in the palm the plate spare articulates there is the rotation layer board accessory, the upper surface that rotates and hold in the palm the plate spare glues there is oily nylon cushion, one side that rotates the layer board accessory is provided with the heart and holds in the palm the piece, and has seted up annular inner circle groove on the outer wall that holds in the palm the piece, it has a plurality of second interior sliders around its axis annular distribution between the inner chamber wall in annular inner circle groove, and the second interior slider is articulated with the rotation layer board accessory.
Preferably, the upper end of the screw is in threaded connection with a rotary table.
Preferably, a ring sleeve is fixed on the outer wall of the L-shaped support rod piece, an inner ring groove is annularly formed in the ring sleeve piece, a support frame is connected in the inner ring groove in a sliding mode, and the L-shaped vertical end of the support frame is vertically and fixedly connected with the lower surface of the transverse flat plate.
The invention provides a blank casting cavity pressure detection device through improvement, compared with the prior art, the blank casting cavity pressure detection device has the following improvements and advantages:
one is as follows: according to the invention, the guide block strips and the side guide block strips arranged on the base bracket can form a T-shaped structure, and meanwhile, the guide grooves formed in the outer ring of the pressure detection cover are in sliding connection with the guide block strips, so that the pressure detection cover can uniformly move downwards under the pushing of the screw rod when detecting the pressure of the inner cavity of the blank casting, and then the connection stress between the pressure detection cover and the opening end of the blank casting can be ensured to be more uniform, thereby solving the problem of uneven extrusion in the prior art;
secondly, when the inner cavity of the blank casting is detected, due to the difference of the shapes of the blank castings, the T-shaped inner ring groove formed in the inner ring of the base bracket is in sliding connection with the first inner sliding piece at one end of the rotating supporting plate piece, so that the rotating supporting plate piece can be properly adjusted on the base bracket, meanwhile, the other end of the rotating supporting plate piece is in rotating connection with the second inner sliding piece in the annular inner ring groove of the inner core supporting piece through the rotating supporting plate auxiliary piece, and the rotating supporting plate piece can rotate on the second inner sliding piece through the rotating supporting plate auxiliary piece, so that the rotating supporting plate piece can conveniently support the blank casting.
And thirdly: in the invention, when the pressure detection is carried out on the inner cavity of the blank casting, the inner parts of some blank castings are damaged due to cracks, so that the blank casting can be cracked during pressurization, the damaged blank casting can be damaged to workers, and the damaged blank casting can be protected through the protection net frame.
Fourthly, the method comprises the following steps: according to the invention, one outer wall of the pressure detection cover is connected with the connecting sliding piece, and after the detection of the pressure detection cover is finished, the pressure detection cover can slide and rotate on the sliding rod piece through the connecting sliding piece, so that the pressure detection cover can be conveniently rotated and moved away, and the detection of a next batch of blank castings is convenient to replace.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a schematic perspective view of a device for detecting blank casting cavity pressure according to the present invention;
FIG. 2 is a structural diagram of a guide block strip, a protective net frame and an inner core support of the blank casting cavity pressure detection device;
FIG. 3 is a diagram of the structure of the pressure detecting cover, the blank casting and the base bracket of the pressure detecting device for the blank casting cavity of the present invention;
FIG. 4 is an internal structure diagram of the blank casting cavity pressure detection device of the present invention;
FIG. 5 is a structural diagram of a pressure detection cover and an annular extension sleeve of the blank casting cavity pressure detection device;
FIG. 6 is a bottom structure view of a pressure detection cover of the blank casting cavity pressure detection device of the present invention;
FIG. 7 is a structural diagram of a guide block strip and an inner core support of the device for detecting the pressure of the blank casting cavity;
FIG. 8 is a sectional view of a base bracket of the blank casting cavity pressure detecting device according to the present invention;
FIG. 9 is a structural diagram of a base bracket and a T-shaped inner ring groove of the blank casting cavity pressure detection device;
FIG. 10 is a connection diagram of a turntable, a screw, a rotation external member and an inner rotor of the blank casting cavity pressure detection device;
FIG. 11 is a schematic partial structure diagram of a blank casting cavity pressure detection device according to the present invention;
FIG. 12 is an enlarged schematic view of the part A of the blank casting cavity pressure detecting device in FIG. 8;
FIG. 13 is a drawing of a base bracket, an oil nylon cushion and an inner core support of the blank casting cavity pressure detection device.
Description of reference numerals: 1. an L-shaped strut member; 2. an air inlet pipe; 3. a guide block strip; 4. a side guide block strip; 5. a protective screen frame; 6. a guide groove; 7. a pressure detection cover; 8. a transverse support; 9. a transverse plate; 10. a screw; 11. a turntable; 12. a barometer; 13. a holding ring; 14. a ram member; 15. a rotating sleeve member; 16. an inner rotor; 17. a connection slider; 18. a blank casting; 19. a base bracket; 20. an oil nylon pad; 21. rotating the supporting plate member; 22. an inner core holder; 23. an annular extension sleeve; 24. oil nylon rings; 25. rotating the pallet accessory; 26. an annular inner ring groove; 27. a T-shaped inner ring groove; 28. a first inner slide; 29. a second inner slide; 30. a ring assembly; 31. an inner ring groove; 32. a support frame.
Detailed Description
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention provides a blank casting cavity pressure detection device through improvement, and the technical scheme of the invention is as follows:
the first embodiment is as follows:
as shown in fig. 1-9, a blank casting cavity pressure detecting device includes a pressure detecting cover 7, a rotating sleeve 15 is disposed at the center of the upper surface of the pressure detecting cover 7, an inner rotor 16 is disposed in the inner cavity of the rotating sleeve 15, a screw rod 10 is connected to the upper surface of the inner rotor 16 in a threaded manner, a rotary table 11 is connected to the upper end of the screw rod 10 through a through hole in the upper end of the rotating sleeve 15 in a threaded manner, a plurality of guide grooves 6 are disposed on the outer ring wall of the pressure detecting cover 7 around the center of the pressure detecting cover, guide block strips 3 are slidably connected to the guide grooves 6, side guide block strips 4 perpendicular to the guide block strips 3 are disposed on the side walls of the guide block strips 3, a base bracket 19 is disposed at the lower end of the side guide block strips 4, an annular extending sleeve 23 is disposed on the lower surface of the pressure detecting cover 7, an oil nylon ring 24 is adhered to the annular extending sleeve 23, an L-shaped support member 1 is disposed on the outer wall of the base bracket 19, the upper end of the L-shaped strut member 1 is rotatably connected with a transverse flat plate 9, a threaded hole is formed in the transverse flat plate 9, and the threaded hole is in threaded connection with a screw 10;
by adopting the technical scheme, when the pressure detection of the inner cavity of the blank casting 18 is carried out, the prepared blank casting 18 is firstly placed on the inner core support piece 22 and the rotating support piece 21 on the base support 19, then the pressure detection cover 7 is rotated on the slide rod piece 14 through the connecting slide piece 17 to be above the blank casting 18, so that the pressure detection cover 7 can be rapidly rotated and opened, then the guide groove 6 on the outer ring of the pressure detection cover 7 is mutually inserted and combined with the guide block strip 3 on the base support 19, then the transverse flat plate 9 is rotated on the L-shaped support rod piece 1, so that the pressure detection cover 7 can be accurately inserted and combined on the guide block strip 3, then the transverse flat plate 9 is rotated and translated to the upper end of the rotating sleeve piece 15, then the upper end of the prepared screw rod 10 is in threaded connection with the lower end of the rotating disc 11, and then the inner rotor 16 in the rotating sleeve piece 15 is kneaded and fixed at the gap of the rotating sleeve piece 15 by hand, then move the lower extreme of screw rod 10 downwards in the screw hole on horizontal dull and stereotyped 9, then the lower extreme of screw rod 10 and the recess threaded connection of inner rotor 16 upper end, can be with even downward translation on guide block strip 3 of pressure detection lid 7 through rotatory carousel 11 like this, then the annular of pressure detection lid 7 lower extreme extends cover 23 can obtain the parcel with the outer wall of blank foundry goods 18, can guarantee like this that the pressure detection lid 7 is connected the atress more even with the blank foundry goods 18 open end.
The upper surface through connection of pressure measurement lid 7 has rather than surperficial looks vertically intake pipe 2, and intake pipe 2 is provided with barometer 12 about rotating external member 15 symmetry, and the lower extreme of barometer 12 and the upper surface through connection of pressure measurement lid 7, adopt above-mentioned technical scheme to make behind pressure measurement lid 7 and the extrusion sealing connection of blank foundry goods 18, pour into gas into intake pipe 2, then gas can fill in the 18 inner chambers of blank foundry goods, then can detect the inner chamber pressure of blank foundry goods 18 through barometer 12.
The guide slot 6 is provided with six, and one of them guide slot 6 is the rectangle structure, and all the other five are T shape structures, the guide slot 6 of rectangle structure corresponds with the outer wall of pressure detection lid 7 and is provided with connection slider 17, connection slider 17 and the outer wall sliding connection of pressure detection lid 7, and sliding connection has slide bar spare 14 in the guide hole of seting up on the connection slider 17, and this structure makes when pressure detection lid 7 carries out airtight connection to the inner chamber opening of blank foundry goods 18, slides on guide block strip 3 through guide slot 6 on the pressure detection lid 7 outer lane, and pressure detection lid 7 can be steady like this move downwards, then the contact surface of pressure detection lid 7 and blank foundry goods 18 is more even.
The lower extreme of slide bar piece 14 is provided with horizontal support 8, and horizontal support 8 one end is connected with the outer wall of base bracket 19, the vertical end of slide bar piece 14 rotates and is connected with grip ring 13, and this structure makes pressure detection lid 7 can carry out rotary motion on slide bar piece 14 through connecting slider 17, then pressure detection lid 7 above blank foundry goods 18 can the rebound, and then pressure detection lid 7 rotates on slide bar piece 14 through connecting slider 17, then the upper end of blank foundry goods 18 just does not block, can conveniently detect taking out of blank foundry goods 18 like this, what can go on simultaneously holds carrying with this detection device through grip ring 13.
The guide block strip 3 is provided with six, and wherein 3 outer walls of five guide block strips and side guide block strip 4 constitute T shape structure, and be connected with protection net frame 5 on the outer wall of side guide block strip 4, protection net frame 5 is the annular opening structure, and the opening of protection net frame 5 is corresponding with the position of connecting slider 17, and this knot structure makes when carrying out pressure detection to the inner chamber of blank foundry goods 18, because of some blank foundry goods 18 are inside to have the crack to damage, blank foundry goods 18 can take place to collapse when the pressurization like this, then leads to damaging blank foundry goods 18 and produce the damage to the staff, then can protect through protection net frame 5 blank foundry goods 18 that can damage.
The lower extreme of annular extension cover 23 is provided with blank foundry goods 18, and this structure makes and extends the cover 23 through the annular and can extrude the upper end opening of blank foundry goods 18 closed, like this when the upper end opening inner chamber of blank foundry goods 18 needs to be airtight, can obtain the parcel through annular extension cover 23 with the outer wall of blank foundry goods 18, and the oil nylon ring 24 on the annular extension cover 23 inner wall can be with the more accurate closure of blank foundry goods 18 simultaneously.
As shown in fig. 8, 9, 12 and 13, the base bracket 19 is of an annular structure, a T-shaped inner ring groove 27 is formed in the inner wall of the base bracket 19, a rotating support plate member 21 is slidably connected in the T-shaped inner ring groove 27, a first inner slide 28 perpendicular to the surface of the rotating support plate member 21 is arranged at one end of the rotating support plate member 21, a rotating support plate sub-member 25 is hinged to the other end of the rotating support plate member 21, an oil nylon pad 20 is bonded to the upper surface of the rotating support plate member 21, an inner core support member 22 is arranged at one side of the rotating support plate sub-member 25, an annular inner ring groove 26 is formed in the outer wall of the inner core support member 22, a plurality of second inner slides 29 are annularly distributed around the axis between the inner cavity walls of the annular inner ring groove 26, and the second inner slides 29 are hinged to the rotating support plate sub-member 25, so that when the inner cavity of the casting 18 is detected, the shape of the casting 18 is different, the T-shaped inner ring groove 27 formed on the inner ring of the base bracket 19 is in sliding connection with the first inner slide 28 at one end of the rotating support plate member 21, so that the rotating support plate member 21 can be properly adjusted on the base bracket 19, the other end of the rotating support plate member 21 is in rotating connection with the second inner slide 29 in the annular inner ring groove 26 of the inner core support member 22 through the rotating support plate auxiliary member 25, so that the rotating support plate member 21 can rotate on the second inner slide 29 through the rotating support plate auxiliary member 25, the bottom of the blank casting 18 can be supported through the rotating support plate member 21 and the rotating support plate auxiliary member 25 in the structure, and as the rotating support plate member 21 and the rotating support plate auxiliary member 25 can be adjusted according to the bottom of the blank casting 18 in the rotating process, the protruding part at the bottom of the blank casting 18 can be adjusted in the gap between the rotating support plate members 21, so that the blank casting 18 can be placed more flatly, the upper end of the blank cast 18 then comes into contact with the pressure detection cover 7 more smoothly.
Example two:
based on a blank casting cavity pressure detection device provided by a first embodiment of the application, a second embodiment of the application provides another blank casting cavity pressure detection device. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone. The second embodiment of the present invention will be further described with reference to the drawings and the following description.
Based on the first embodiment, the second embodiment is different from the first embodiment in that the second embodiment further has the following features: referring to fig. 10 and 11, a rotary table 11 is connected to the upper end of the screw rod 10 in a threaded manner, and the upper end of the screw rod 10 is in threaded connection with the rotary table 11, and the lower end of the screw rod 10 is in threaded connection with a groove on the upper surface of the inner rotor 16.
Be fixed with ring external member 30 on the outer wall of L shape member 1, and ring internal ring 31 has been seted up to the ring on the ring cover member 30, sliding connection has support frame 32 in the internal ring 31, and the vertical end of L type of support frame 32 and the perpendicular fixed connection of the lower surface of horizontal dull and stereotyped 9, this structure makes when horizontal dull and stereotyped 9 rotates, horizontal dull and stereotyped 9 can drive support frame 32 and rotate in step, then the T shape structure at support frame 32 end can rotate in the internal ring 31 on ring cover member 30, horizontal dull and stereotyped 9 can form triangle stable structure with L shape member 1 through support frame 32 like this, then horizontal dull and stereotyped 9 can be connected more stably with screw rod 10.
The working principle is as follows: when the pressure detection device for the blank casting cavity is used, whether parts of the device are damaged or not is checked, after the detection is finished, the prepared blank casting 18 is placed on an inner center supporting piece 22 and a rotating supporting plate piece 21 on a base bracket 19, then the bottom of the blank casting 18 can be elastically buffered through an oil nylon cushion 20 on the rotating supporting plate piece 21, then a pressure detection cover 7 is rotated to the upper part of the blank casting 18 on a sliding rod piece 14 through a connecting sliding piece 17, then a guide groove 6 on the outer ring of the pressure detection cover 7 is mutually inserted and combined with a guide block strip 3 on the base bracket 19, then a transverse flat plate 9 is rotated on an L-shaped supporting rod piece 1, then the transverse flat plate 9 is rotated and translated to the upper end of a rotating sleeve piece 15, then the upper end of a prepared screw rod 10 is in threaded connection with the lower end of a rotating disc 11, then an inner rotor 16 in the rotating sleeve piece 15 is manually kneaded and fixed at a gap of the rotating sleeve piece 15, then, the lower end of the screw rod 10 moves downwards in a threaded hole on the transverse flat plate 9, then, the lower end of the screw rod 10 is in threaded connection with a groove at the upper end of an inner rotor 16, so that the pressure detection cover 7 can be uniformly translated downwards on the guide block strip 3 through the rotating turntable 11, then, the annular extension sleeve 23 at the lower end of the pressure detection cover 7 can wrap the outer wall of the blank casting 18, so that the connection stress between the pressure detection cover 7 and the opening end of the blank casting 18 can be ensured to be more uniform, after the pressure detection cover 7 is in extrusion and closed connection with the blank casting 18, gas is injected into the gas inlet pipe 2, then, the gas can be filled into the inner cavity of the blank casting 18, then, the pressure of the inner cavity of the blank casting 18 can be detected through the barometer 12, when the inner cavity of the blank casting 18 is detected, due to the difference of the shape of the blank casting 18, the T-shaped inner ring groove 27 formed in the inner ring of the base bracket 19 and the first inner sliding piece at one end of the rotating support plate 21 are used for detecting the inner ring 28 are slidably connected so that the rotating carrier member 21 can be properly adjusted on the base bracket 19, while the other end of the rotating carrier member 21 is rotatably connected to a second inner slide 29 in the annular inner ring groove 26 of the inner core carrier 22 by means of the rotating carrier sub-member 25, so that the rotating carrier member 21 can be rotated on the second inner slide 29 by means of the rotating carrier sub-member 25, and so that the rotating carrier member 21 can conveniently support the blank casting 18.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The blank casting cavity pressure detection device is characterized by comprising a pressure detection cover (7), wherein a rotation sleeve piece (15) is arranged at the center of a circle of the upper surface of the pressure detection cover (7), an inner rotor (16) is arranged in an inner cavity of the rotation sleeve piece (15), a screw rod (10) is connected with a groove internal thread opened on the upper surface of the inner rotor (16), the upper end of the screw rod (10) penetrates through a through hole in the upper end of the rotation sleeve piece (15) and is connected with the screw rod (10) in a threaded manner, a plurality of guide grooves (6) are formed in the outer ring wall of the pressure detection cover (7) around the center of the circle of the outer ring wall of the pressure detection cover, guide block strips (3) are connected in a sliding manner in the guide grooves (6), side guide block strips (4) perpendicular to the guide block strips are arranged on the side walls of the guide block strips (3), a base bracket (19) is arranged at the lower end of each side block strip (4), and an annular extension sleeve (23) is arranged on the lower surface of the pressure detection cover (7), an oil nylon ring (24) is adhered in the annular extension sleeve (23), an L-shaped strut member (1) is arranged on the outer wall of the base bracket (19), the upper end of the L-shaped strut member (1) is rotatably connected with a transverse flat plate (9), a threaded hole is formed in the transverse flat plate (9), and the threaded hole is in threaded connection with the screw rod (10);
six guide grooves (6) are arranged, one guide groove (6) is of a rectangular structure, the other five guide grooves are of a T-shaped structure, a connecting slide piece (17) is correspondingly arranged on the outer wall of the pressure detection cover (7) of the guide groove (6) of the rectangular structure, the connecting slide piece (17) is connected with the outer wall of the pressure detection cover (7) in a sliding mode, and a slide rod piece (14) is connected in a guide hole formed in the connecting slide piece (17) in a sliding mode;
the lower end of the slide bar piece (14) is provided with a transverse support (8), one end of the transverse support (8) is connected with the outer wall of the base bracket (19), and the vertical end of the slide bar piece (14) is rotatably connected with a holding ring (13);
the guide block strips (3) are provided with six guide block strips, the outer walls of five guide block strips (3) and the side guide block strips (4) form a T-shaped structure, the outer walls of the side guide block strips (4) are connected with a protection screen frame (5), the protection screen frame (5) is of an annular opening structure, and the opening of the protection screen frame (5) corresponds to the position of the connecting sliding piece (17);
a blank casting (18) is arranged at the lower end of the annular extension sleeve (23);
the base bracket (19) is of an annular structure, a T-shaped inner ring groove (27) is formed in the inner wall of the base bracket (19), a rotating support plate piece (21) is connected in the T-shaped inner ring groove (27) in a sliding mode, a first inner slide piece (28) perpendicular to the surface of the rotating support plate piece (21) is arranged at one end of the rotating support plate piece (21), a rotating support plate auxiliary piece (25) is hinged to the other end of the rotating support plate piece (21), an oil nylon pad (20) is bonded to the upper surface of the rotating support plate piece (21), an inner core support piece (22) is arranged on one side of the rotating support plate auxiliary piece (25), an annular inner ring groove (26) is formed in the outer wall of the inner core support piece (22), a plurality of second inner slide pieces (29) are distributed between the inner cavity walls of the annular inner ring groove (26) in an annular mode around the axis of the inner slide piece, and the second inner slide pieces (29) are hinged to the rotating support plate auxiliary piece (25);
when the pressure detection cover (7) is used for hermetically connecting the inner cavity opening of the blank casting (18), the pressure detection cover (7) can move downwards by sliding the guide groove (6) on the outer ring of the pressure detection cover (7) on the guide block strip (3).
2. The blank casting cavity pressure detecting device according to claim 1, characterized in that: the upper surface through connection of pressure detection lid (7) has rather than surperficial looks vertically intake pipe (2), and intake pipe (2) are provided with barometer (12) about rotating external member (15) symmetry, and the lower extreme of barometer (12) and the upper surface through connection of pressure detection lid (7).
3. The blank casting cavity pressure detecting device according to claim 1, characterized in that: the upper end of the screw rod (10) is in threaded connection with a rotary table (11).
4. The blank casting cavity pressure detecting device according to claim 1, characterized in that: be fixed with on the outer wall of L shape member (1) and encircle external member (30), and encircle the annular on external member (30) and seted up inner ring groove (31), sliding connection has support frame (32) in inner ring groove (31), and the L type vertical end of support frame (32) and the perpendicular fixed connection of lower surface of horizontal dull and stereotyped (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111389582.3A CN113820083B (en) | 2021-11-23 | 2021-11-23 | Blank casting cavity pressure detection device |
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| CN203443746U (en) * | 2013-03-29 | 2014-02-19 | 重庆德运模具制造有限公司 | Leak detection machine for automobile engine |
| CN104236803B (en) * | 2014-09-09 | 2016-08-17 | 江苏贝孚德通讯科技股份有限公司 | Die casting duplexer performance automatic test fixture |
| CN105043692B (en) * | 2015-05-18 | 2017-12-08 | 共享装备有限公司 | A kind of frame-type rough casting cavity pressure detection means |
| CN104931207B (en) * | 2015-05-18 | 2017-12-08 | 共享装备有限公司 | A kind of cassette rough casting cavity pressure detection means |
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| CN205748832U (en) * | 2016-05-11 | 2016-11-30 | 上海紫燕合金应用科技有限公司 | A kind of products air tightness detection tool |
| CN106225622A (en) * | 2016-07-01 | 2016-12-14 | 天津众达精密机械有限公司 | A kind of hole dimension detection device for different foundry goods |
| US10428981B2 (en) * | 2017-01-17 | 2019-10-01 | Pressure Technologies LLC | Apparatus for hydrostatic testing |
| CN107144406B (en) * | 2017-06-30 | 2023-09-12 | 重庆华达汽车配件制造有限公司 | Air tightness detection device |
| CN208968770U (en) * | 2018-11-13 | 2019-06-11 | 江苏中翼汽车新材料科技有限公司 | A kind of die cast sealing test instrument |
| CN209085858U (en) * | 2018-12-10 | 2019-07-09 | 厦门金盛荣金属制品有限公司 | A kind of die casting air tightness detection apparatus |
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| CN213422554U (en) * | 2020-11-23 | 2021-06-11 | 惠州金铸装备铸造有限公司 | Experimental device for foundry goods processing |
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