CN109079193A - A kind of novel hard alloy pipe fitting - Google Patents

A kind of novel hard alloy pipe fitting Download PDF

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Publication number
CN109079193A
CN109079193A CN201810974957.4A CN201810974957A CN109079193A CN 109079193 A CN109079193 A CN 109079193A CN 201810974957 A CN201810974957 A CN 201810974957A CN 109079193 A CN109079193 A CN 109079193A
Authority
CN
China
Prior art keywords
chamber
turn
slide slot
slot
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810974957.4A
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Chinese (zh)
Inventor
韦健杭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Common Machinery Design Co Ltd
Original Assignee
Foshan Common Machinery Design Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Common Machinery Design Co Ltd filed Critical Foshan Common Machinery Design Co Ltd
Priority to CN201810974957.4A priority Critical patent/CN109079193A/en
Publication of CN109079193A publication Critical patent/CN109079193A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B41/00Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B47/00Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/34Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission

Abstract

The invention discloses a kind of novel hard alloy pipe fittings, including pedestal, it is fixedly installed on the bearing support of the pedestal top end surface and slides the mounting rack being installed on the bearing support, upper and lower extended first slide slot is equipped in the mounting rack, it is symmetrically arranged in the first slide slot left hand end wall and leads to slot, it is slided in first slide slot and ramp is installed, the first driving machine is fixedly installed in the ramp, the first driving machine bottom end face power is equipped with downward extended drill bit, the first driving machine top end surface power is equipped with upward extended pivoted housing, the upward spline in port is equipped in the pivoted housing, spline fitted is equipped with splined shaft in the spline, the first taper cone pulley is fixed at the top of the splined shaft, at left and right sides of the ramp end surface symmetric be equipped with protrude into it is described lead in slot and slide match Close the first successive chunk of connection.

Description

A kind of novel hard alloy pipe fitting
Technical field
The present invention relates to pipe fitting processing technique field, specifically a kind of novel hard alloy pipe fitting.
Background technique
Hard alloy pipe fitting uses in modern industrial production and its extensively, hard alloy pipe fitting is needed in processing Punch operation is carried out, and the perforating device Setting pattern in tradition is single, and needs manpower is excessive to come into operation, while can not It realizes the multiple groups drilling operation on same straight line, processing efficiency greatly reduces, there are larger drawback, need to improve.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of novel hard alloy pipe fittings, are able to solve above-mentioned present The problems in technology.
The present invention is achieved through the following technical solutions: a kind of novel hard alloy pipe fitting of the invention, including base Seat is fixedly installed on the bearing support of the pedestal top end surface and slides the mounting rack being installed on the bearing support, described It is equipped with upper and lower extended first slide slot in mounting rack, is symmetrically arranged in the first slide slot left hand end wall and leads to slot, institute It states to slide in the first slide slot and ramp is installed, the first driving machine, first driving are fixedly installed in the ramp Motor spindle end face power is equipped with downward extended drill bit, and the first driving machine top end surface power is equipped with extended upwards Pivoted housing is equipped with the upward spline in port in the pivoted housing, and spline fitted is equipped with splined shaft, the spline in the spline The first taper cone pulley is fixed at the top of axis, end surface symmetric is equipped with to protrude into and described lead in slot and slide at left and right sides of the ramp The first successive chunk being cooperatively connected is rotatably assorted in first successive chunk and is equipped with the first articulated jib, and described to lead to slot separate Lead in the end wall of first slide slot and be provided with first turn of chamber, rotation is fitted with turntable in first turn of chamber, institute It states to be rotatably assorted to be connected on turntable inner side end and protrudes into second successive chunk led in slot, turn in second successive chunk Dynamic to be connected with the second articulated jib, second articulated jib and first articulated jib are hinged, left and right pair in the mounting rack Title is provided with the extended second turn of chamber in front and back, is rotatably assorted between second turn of chamber and first turn of chamber and is equipped with first turn Axis, the first rotating shaft inner end are protruded into first turn of chamber and are fixedly connected with the turntable end face outside, described first Shaft outboard end protrudes into second turn of chamber and outside end is fixed with the first driving wheel, on rear side of first slide slot It is equipped with third in the mounting rack and turns chamber, being rotatably assorted to be equipped between the two second turn of chambers in left and right turns through the third Second shaft of chamber is fixed with the second driving wheel, first driving wheel in second shaft in second turn of chamber It is cooperatively connected between second driving wheel by transmission V belt translation, the third turns fixed in second shaft in chamber Equipped with the first toothed wheel, the second toothed wheel, second toothed wheel and fixed setting have been engaged in first toothed wheel It is connected by power in the second driving machine that the third turns on the right side of chamber in inner wall, the third turns left in the mounting rack on the upside of chamber The right side is symmetrically arranged with the 4th turn of chamber, and end wall transfer is dynamic before and after the 4th turn of chamber is fitted with third shaft, and the third turns Front and back is symmetrically arranged with third toothed wheel on axis, and fixation is set in the third shaft between former and later two described third toothed wheels Be equipped with turbine, be rotatably assorted between two the 4th turn of chambers in left and right be equipped with through first slide slot and with the turbine The worm screw of mating connection is fixed with the second taper cone pulley on the worm screw in first slide slot, is equipped in the pedestal Running gear, the running gear include bearing angle and traveling wheel.
Further technical solution, described first slide slot inner roof wall or so, which extends, is provided with the through the mounting rack Two slide slots slide in second slide slot and are equipped with resting arm, at left and right sides of the resting arm extended end respectively with it is described Top is fixedly connected at left and right sides of bearing support, is symmetrically arranged with before and after the resting arm bottom end face and is matched with the third toothed wheel Close the tooth form item of connection.
Further technical solution, the interior dovetail groove downward equipped with port of the bearing support bottom end face, the dovetail groove In slide symmetrical dovetails be installed, the dovetails bottom is solid by fixed arm and the mounting rack top end surface It is fixed.
Further technical solution, in the pedestal top end surface equipped with port it is upward first lead to hole, described first Slide slot inner bottom wall be equipped with port it is downward second lead to hole.
Further technical solution, the spline inner bottom wall is equipped with the pressure spring being fixedly connected with the splined shaft, described It is symmetrically arranged with guide groove in inner wall at left and right sides of spline, slides to be equipped in the guide groove and be led with what the splined shaft was fixedly connected Block.
Further technical solution, the bearing angle are fixedly installed on four angles of pedestal bottom, and each institute respectively It states bottom in bearing angle and the traveling wheel is rotatably installed.
The beneficial effects of the present invention are:
When in use, alloy pipe fitting is fixed on the pedestal for apparatus of the present invention, then simultaneously open the first driving machine and Second driving machine can drive the drill bit, pivoted housing, splined shaft and first taper after the first driving machine rotation simultaneously Wheel rotation can be rotated after second driving machine rotation by the first toothed wheel described in the second tooth form wheel drive, and described the Second shaft, second driving wheel, the first driving wheel and turntable rotation, institute can be driven after the rotation of one toothed wheel The ramp upward sliding can be moved by second articulated jib and the first hinge handover armband by stating turntable rotation, described First taper cone pulley can be made to be meshed after ramp upward sliding with second taper cone pulley, at this time the first taper rotation It is dynamic that second taper cone pulley can be driven to drive the worm screw rotation, the turbine can be driven to drive described the after the worm screw rotation The rotation of three toothed wheels can drive the mounting rack to the right by the cooperation with the tooth form item after the third toothed wheel rotation Sliding, the turntable can move the cunning by second articulated jib and the first hinge handover armband after continuing to rotate Row platform slide downward and be detached from first taper cone pulley and second taper cone pulley, the mounting rack stops movement at this time, by This, first time bore position is determined, can make after the ramp slide downward drill bit pass through described second lead to slot after Drilling operation is carried out, the mobile punch operation on same straight line thus back and forth can be realized;
It is thus upward in the ramp since splined shaft bottom is connect with the spline inner bottom wall by pressure spring in the present invention First taper cone pulley can be made to be meshed with second taper cone pulley after sliding a distance, the ramp continues to slide up After can make the relatively described spline slide downward of the splined shaft, thus can extend first taper cone pulley and described second The engagement duration of taper cone pulley to can ensure that the moving distance of the mounting rack, and then can make the drill bit enter next punching Position;
Apparatus of the present invention structure is simple, and high degree of automation can mention significantly, it can be achieved that mobile punch operation in same level High perforating efficiency and punching effect.
Detailed description of the invention
The present invention is described in detail by following specific embodiments and drawings for ease of explanation,.
Fig. 1 is a kind of overall structure diagram of novel hard alloy pipe fitting of the invention.
Fig. 2 is the schematic diagram of internal structure of mounting rack in Fig. 1.
Fig. 3 is structural schematic diagram at A-A in Fig. 2.
Fig. 4 is structural schematic diagram at B-B in Fig. 2.
Specific embodiment
As shown in Figs 1-4, a kind of novel hard alloy pipe fitting of the invention, including pedestal 10, it is fixedly installed on the base Seat 10 top end surfaces bearing support 11 and slide the mounting rack 15 being installed on the bearing support 11, set in the mounting rack 15 There is extended first slide slot 20 up and down, is symmetrically arranged in 20 left hand end wall of the first slide slot and leads to slot 46, described the It is slided in one slide slot 20 and ramp 38 is installed, be fixedly installed with the first driving machine 39 in the ramp 38, described first 39 bottom end face power of driving machine is equipped with downward extended drill bit 40, and the 39 top end surface power of the first driving machine is equipped with Upward extended pivoted housing 33 is equipped with the upward spline 34 in port in the pivoted housing 33, spline fitted peace in the spline 34 Equipped with splined shaft 32, the first taper cone pulley 31,38 left and right sides end face pair of ramp are fixed at the top of the splined shaft 32 Claim to be equipped with and protrude into first successive chunk 45 for leading in slot 46 and sliding mating connection, rotates and match in first successive chunk 45 Conjunction is equipped with the first articulated jib 44, it is described lead to lead in end wall of the slot 46 far from first slide slot 20 be provided with first turn Chamber 27, rotation is fitted with turntable 28 in first turn of chamber 27, is rotatably assorted and is connected on 28 inner side end of turntable Second successive chunk 42 led in slot 46 is protruded into, is rotatably assorted in second successive chunk 42 and is connected with the second articulated jib 43, second articulated jib 43 and first articulated jib 44 are hinged, and front and back is symmetrically set in the mounting rack 15 and is prolonged Second turn of long chamber 29 is rotatably assorted between second turn of chamber 29 and first turn of chamber 27 and is equipped with first rotating shaft 16, institute 16 inner end of first rotating shaft is stated to protrude into first turn of chamber 27 and be fixedly connected with 28 end face outside of turntable, described first 16 outboard end of shaft protrudes into second turn of chamber 29 and outside end is fixed with the first driving wheel 30, first slide slot It is equipped with third in the mounting rack 15 of 20 rear sides and turns chamber 48, is rotatably assorted and is equipped between the two second turn of chambers 29 in left and right Turn the second shaft 47 of chamber 48 through the third, is fixed with second in second shaft 47 in second turn of chamber 29 Driving wheel 53 is cooperatively connected between first driving wheel 30 and second driving wheel 53 by the transmission of transmission belt 52, described Third turns to be fixed with the first toothed wheel 49 in second shaft 47 in chamber 48, is engaged in first toothed wheel 49 There is the second toothed wheel 50, second toothed wheel 50 turns the second driving in 48 right side inner wall of chamber with the third is fixedly installed on Machine 51 is connected by power, and the third turns to be symmetrically set with the 4th turn of chamber 23 in the mounting rack 15 on the upside of chamber 48, described 4th turn of 23 front and back end wall transfer of chamber is dynamic to be fitted with third shaft 26, and front and back is symmetrically arranged with the in the third shaft 26 Three toothed wheels 24 are fixedly installed turbine 25 in the third shaft 26 between former and later two described third toothed wheels 24, left It is rotatably assorted between right two the 4th turn of chambers 23 and is equipped with through first slide slot 20 and cooperates with the turbine 25 The worm screw 22 of connection is fixed with the second taper cone pulley 21, the pedestal 10 on the worm screw 22 in first slide slot 20 In be equipped with running gear, the running gear includes bearing angle 101 and traveling wheel 102.
Valuably, described first slide slot, 20 inner roof wall or so extension is provided with slides through the second of the mounting rack 15 Slot slides in second slide slot and is equipped with resting arm 18,18 left and right sides extended end of resting arm respectively with the branch 11 left and right sides top of bolster is fixedly connected, and is symmetrically arranged with and the third toothed wheel before and after 18 bottom end face of resting arm The 24 tooth form items 19 being cooperatively connected.
Valuably, it is equipped with the downward dovetail groove 12 in port in 11 bottom end face of bearing support, is slided in the dovetail groove 12 Row is equipped with symmetrical dovetails 13, and 13 bottom of dovetails passes through fixed arm 14 and 15 top end surface of mounting rack It is fixed.
Valuably, in 10 top end surface of pedestal equipped with port it is upward first lead to hole 17, first slide slot 20 inner bottom walls be equipped with port it is downward second lead to hole 41.
Valuably, 34 inner bottom wall of spline is equipped with the pressure spring 37 being fixedly connected with the splined shaft 32, the spline It is symmetrically arranged with guide groove 36 in 34 left and right sides inner wall of slot, slides to be equipped in the guide groove 36 and is fixedly connected with the splined shaft 32 Guide block 35.
Valuably, the bearing angle 101 is fixedly installed on 10 4 angles of pedestal bottom, and each branch respectively It holds bottom in angle 101 and the traveling wheel 102 is rotatably installed, the shifting of the present apparatus can be facilitated by the traveling wheel 102 It is dynamic to carry.
When original state, 15 leftmost side of mounting rack, the ramp 38 is located at position in first slide slot 20 Place is set, and the drill bit 40 is accommodated in completely in first slide slot 20, under the action of pressure spring 37, the splined shaft 32 stretch out to greatest extent outside 33 top end surface of pivoted housing.
In use, alloy pipe fitting is fixed on the pedestal 10, the first driving machine 39 and second is then opened simultaneously Driving machine 51, first driving machine 39 can drive the drill bit 40, pivoted housing 33, splined shaft 32 and described the simultaneously after rotating The rotation of one taper cone pulley 31, second driving machine 51 can drive first toothed wheel by second toothed wheel 50 after rotating 49 rotations, first toothed wheel 49 can drive second shaft 47, second driving wheel 53, the first driving wheel after rotating 30 and the turntable 28 rotate, the turntable 28 rotation can pass through second articulated jib 43 and the first hinge handover arm 44 drive 38 upward slidings of ramp, and first taper cone pulley 31 and described the can be made after 38 upward sliding of ramp Two taper cone pulleies 21 are meshed, and the rotation of the first taper cone pulley 31 can drive second taper cone pulley 21 to drive the worm screw 22 at this time Rotation, the worm screw 22 can drive the turbine 25 that the third toothed wheel 24 is driven to rotate after rotating, the third toothed wheel The mounting rack 15 can be driven to slide to the right by the cooperation with the tooth form item 19 after 24 rotations, the turntable 28 continues to turn After dynamic 38 slide downward of ramp can be driven by second articulated jib 43 and the first hinge handover arm 44 And it is detached from first taper cone pulley 31 with second taper cone pulley 21, and the mounting rack 10 stops movement at this time, and as a result, first Secondary bore position is determined, and the drill bit 40 can be made to pass through described second after 38 slide downward of ramp, and to lead to slot 41 laggard Thus the mobile punch operation on same straight line back and forth can be realized in row drilling operation;
Since 32 bottom of splined shaft is connect with 34 inner bottom wall of spline by pressure spring 37 in the present invention, thus slided described First taper cone pulley 31 can be made to be meshed with second taper cone pulley 21 after 38 upward sliding a distance of platform, the ramp 38 continue to slide up after can make relatively described 34 slide downward of spline of the splined shaft 32, thus can extend described One taper cone pulley 31 engages duration with second taper cone pulley 21, to can ensure that the moving distance of the mounting rack 15, in turn The drill bit 40 can be made to enter next punch position.
The beneficial effects of the present invention are:
When in use, alloy pipe fitting is fixed on the pedestal for apparatus of the present invention, then simultaneously open the first driving machine and Second driving machine can drive the drill bit, pivoted housing, splined shaft and first taper after the first driving machine rotation simultaneously Wheel rotation can be rotated after second driving machine rotation by the first toothed wheel described in the second tooth form wheel drive, and described the Second shaft, second driving wheel, the first driving wheel and turntable rotation, institute can be driven after the rotation of one toothed wheel The ramp upward sliding can be moved by second articulated jib and the first hinge handover armband by stating turntable rotation, described First taper cone pulley can be made to be meshed after ramp upward sliding with second taper cone pulley, at this time the first taper rotation It is dynamic that second taper cone pulley can be driven to drive the worm screw rotation, the turbine can be driven to drive described the after the worm screw rotation The rotation of three toothed wheels can drive the mounting rack to the right by the cooperation with the tooth form item after the third toothed wheel rotation Sliding, the turntable can move the cunning by second articulated jib and the first hinge handover armband after continuing to rotate Row platform slide downward and be detached from first taper cone pulley and second taper cone pulley, the mounting rack stops movement at this time, by This, first time bore position is determined, can make after the ramp slide downward drill bit pass through described second lead to slot after Drilling operation is carried out, the mobile punch operation on same straight line thus back and forth can be realized;
It is thus upward in the ramp since splined shaft bottom is connect with the spline inner bottom wall by pressure spring in the present invention First taper cone pulley can be made to be meshed with second taper cone pulley after sliding a distance, the ramp continues to slide up After can make the relatively described spline slide downward of the splined shaft, thus can extend first taper cone pulley and described second The engagement duration of taper cone pulley to can ensure that the moving distance of the mounting rack, and then can make the drill bit enter next punching Position;
Apparatus of the present invention structure is simple, and high degree of automation can mention significantly, it can be achieved that mobile punch operation in same level High perforating efficiency and punching effect.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention Protection scope should be determined by the scope of protection defined in the claims.

Claims (6)

1. a kind of novel hard alloy pipe fitting, including pedestal, it is fixedly installed on the bearing support and cunning of the pedestal top end surface The mounting rack that row is installed on the bearing support, it is characterised in that: upper and lower extended first slide slot is equipped in the mounting rack, It is symmetrically arranged in the first slide slot left hand end wall and leads to slot, slided in first slide slot and ramp is installed, institute It states and is fixedly installed with the first driving machine in ramp, the first driving machine bottom end face power is equipped with downward extended brill Head, the first driving machine top end surface power are equipped with upward extended pivoted housing, the upward flower in port are equipped in the pivoted housing Keyway, spline fitted is equipped with splined shaft in the spline, is fixed with the first taper cone pulley, the cunning at the top of the splined shaft End surface symmetric, which is equipped with, at left and right sides of row platform protrudes into first successive chunk for leading in slot and sliding mating connection, and described first connects Even be rotatably assorted on block and the first articulated jib be installed, it is described lead to lead in end wall of the slot far from first slide slot be provided with First turn of chamber, rotation is fitted with turntable in first turn of chamber, is rotatably assorted to be connected on the turntable inner side end and stretch Enter second successive chunk led in slot, is rotatably assorted in second successive chunk and is connected with the second articulated jib, described second Articulated jib and first articulated jib are hinged, and the extended second turn of chamber in front and back is symmetrically set in the mounting rack, described It is rotatably assorted between second turn of chamber and first turn of chamber and first rotating shaft is installed, the first rotating shaft inner end protrudes into described It is fixedly connected in one turn of chamber and with the turntable end face outside, the first rotating shaft outboard end protrudes into second turn of chamber and outer Side end is fixed with the first driving wheel, and third is equipped in the mounting rack on rear side of first slide slot and turns chamber, left and right two Be rotatably assorted the second shaft for being equipped with and turning chamber through the third between a second turn of chamber, the institute in second turn of chamber It states and is fixed with the second driving wheel in the second shaft, passed between first driving wheel and second driving wheel by transmission belt Dynamic to be cooperatively connected, the third turns to be fixed with the first toothed wheel in second shaft in chamber, in first toothed wheel The second toothed wheel has been engaged it, second toothed wheel is driven with being fixedly installed on the third and turn on the right side of chamber second in inner wall Motivation is connected by power, and the third turns to be symmetrically set with the 4th turn of chamber in the mounting rack on the upside of chamber, and described 4th turn End wall transfer is dynamic before and after chamber is fitted with third shaft, and front and back is symmetrically arranged with third toothed wheel in the third shaft, preceding Be fixedly installed turbine in the third shaft between latter two described third toothed wheel, the 4th turn of chambers of left and right two it Between be rotatably assorted and be equipped with through first slide slot and the worm screw that is cooperatively connected with the turbine, in first slide slot The worm screw on be fixed with the second taper cone pulley, running gear is equipped in the pedestal, the running gear includes bearing angle And traveling wheel.
2. a kind of novel hard alloy pipe fitting according to claim 1, it is characterised in that: the first slide slot inner roof wall Left and right extends the second slide slot being provided with through the mounting rack, slides in second slide slot and is equipped with resting arm, institute It states extended end at left and right sides of resting arm to be fixedly connected with top at left and right sides of the bearing support respectively, the resting arm bottom end face Front and back is symmetrically arranged with the tooth form item being cooperatively connected with the third toothed wheel.
3. a kind of novel hard alloy pipe fitting according to claim 1, it is characterised in that: in the bearing support bottom end face It equipped with the dovetail groove that port is downward, is slided in the dovetail groove and symmetrical dovetails is installed, the dovetails bottom is logical Fixed arm is crossed to fix with the mounting rack top end surface.
4. a kind of novel hard alloy pipe fitting according to claim 1, it is characterised in that: set in the pedestal top end surface Have port upward first leads to hole, the first slide slot inner bottom wall be equipped with port it is downward second lead to hole.
5. a kind of novel hard alloy pipe fitting according to claim 1, it is characterised in that: the spline inner bottom wall is equipped with The pressure spring being fixedly connected with the splined shaft, is symmetrically arranged with guide groove at left and right sides of the spline in inner wall, sliding in the guide groove Row is equipped with the guide block being fixedly connected with the splined shaft.
6. a kind of novel hard alloy pipe fitting according to claim 1, it is characterised in that: fixation is set the bearing angle respectively It is placed in four angles of pedestal bottom, and bottom is rotatably equipped with the traveling wheel in each bearing angle.
CN201810974957.4A 2018-08-24 2018-08-24 A kind of novel hard alloy pipe fitting Withdrawn CN109079193A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810974957.4A CN109079193A (en) 2018-08-24 2018-08-24 A kind of novel hard alloy pipe fitting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810974957.4A CN109079193A (en) 2018-08-24 2018-08-24 A kind of novel hard alloy pipe fitting

Publications (1)

Publication Number Publication Date
CN109079193A true CN109079193A (en) 2018-12-25

Family

ID=64794615

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810974957.4A Withdrawn CN109079193A (en) 2018-08-24 2018-08-24 A kind of novel hard alloy pipe fitting

Country Status (1)

Country Link
CN (1) CN109079193A (en)

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Application publication date: 20181225

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