CN101936800B - Detection equipment of air tightness of shell - Google Patents
Detection equipment of air tightness of shell Download PDFInfo
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- CN101936800B CN101936800B CN2010102982641A CN201010298264A CN101936800B CN 101936800 B CN101936800 B CN 101936800B CN 2010102982641 A CN2010102982641 A CN 2010102982641A CN 201010298264 A CN201010298264 A CN 201010298264A CN 101936800 B CN101936800 B CN 101936800B
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Abstract
The invention relates to detection equipment of air tightness of a shell. The invention adopts a technical scheme that: the cylinder body of a lower oil cylinder is fixed on a bottom frame of a steel framework; a piston rod of the lower oil cylinder is upwards connected to a water tank; a lower guide component is arranged between the water tank and the bottom frame of the steel framework; lifting rollers are arranged on two sides of the water tank respectively and are embedded in channel steels of upright posts of the steel framework; a pressure-bearing hanging table is suspended on the steel framework; a moving table mechanism is born on the pressure-bearing hanging table through a roller support arranged on a bottom lifting part; an elastic pressing frame mechanism is arranged over the moving table mechanism; the cylinder body of an upper oil cylinder is fixed on a top frame of the steel framework; a piston rod of the upper oil cylinder is downwards connected to the elastic pressing frame mechanism; an upper guide component is arranged between the elastic pressing frame mechanism and the top frame of the steel framework; a push oil cylinder is horizontally arranged; the cylinder body of the push oil cylinder is fixed on the steel framework; and the piston rod of the push oil cylinder is connected with the moving table mechanism. The detection equipment of the invention has the advantages of craft and reasonable structure, strong reliability, cost saving, good university and good sealing effect.
Description
Technical field
The invention belongs to the checkout equipment technical field, specifically relate to a kind of equipment that is used to detect housing seal.
Background technology
Along with rapid development of economy, industries such as standard machinery, automobile, excavation are also prosperous day by day.These industries all need various power-equipments such as diesel engine, gasoline engine etc., cause the demand of diesel engine, gasoline engine to increase substantially.The housing of diesel engine, gasoline engine is as a kind of indispensable parts, and its production has also entered the large batch of epoch.The housing of engine normally passes through casting, produces defectives such as sbrinkage blowhole, crackle in casting process sometimes.These defectives cause problems such as oil impregnate, leakage of oil easily, and the working environment of severe contamination complete machine, and cause huge waste exists hidden danger simultaneously, when serious even cause self-burning of vehicle.Therefore in the housing manufacture process, must carry out impermeability to motor body and detect.
Present impermeability detects normally to adopt manually carries out, and the motor body that is about to sealing immerses in the water, in water motor body is filled forced air, observe motor body and whether have leakage, this operation labour intensity is big, and inefficiency detects the quality instability.The air tightness detection equipment that some robotizations are also arranged, but its versatility is poor, and a checkout equipment is confined to the detection of one or more housings, has increased the production cost of many kinds housing manufacturer.In addition, existing checkout equipment is to adopt rigid seal when multiple spot seals, and multiple spot effectively seals simultaneously.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide that a kind of structure is ingenious rationally, good reliability, cost savings, housing air tightness detection equipment that versatility is good, this equipment adopts multi-point flexibly sealing, good sealing effect.
According to technical scheme provided by the invention, described housing seal checkout equipment comprises steel framework, following oil cylinder, tank, pressure-bearing cape, slide unit mechanism, suppresses frame mechanism, upper cylinder and push cylinder; The steel framework comprises underframe, column, upper frame and suspension bracket, and underframe and upper frame utilize column to connect, and suspension bracket is arranged on the upper frame below and is connected on the upper frame; Following oil cylinder vertically is provided with, and the cylinder body of following oil cylinder is fixed on the underframe of steel framework, and the piston rod of following oil cylinder upwards is connected on the tank; Be provided with down guidance set between the underframe of tank and steel member; The both sides of tank are equipped with the lifting roller, and the lifting roller is embedded in the channel-section steel of steel framework column; The pressure-bearing cape is suspended on the suspension bracket of steel framework; The bottom of slide unit mechanism is provided with roller, and on the pressure-bearing cape, slide unit mechanism is used to load the fixation workpiece housing by roller wheel bearing in slide unit mechanism; Suppress frame mechanism and be arranged on slide unit mechanism top, suppress frame mechanism and be used for compressing sealing workpiece housing downwards; Upper cylinder vertically is provided with, and the cylinder body of upper cylinder is fixed on the upper frame of steel framework, and the piston rod of upper cylinder is connected downwards and suppresses in the frame mechanism; Be provided with guidance set between the described upper frame that suppresses frame mechanism and steel framework; Push cylinder is horizontally disposed with, and the cylinder body of push cylinder is fixed on the steel framework, and the piston rod of push cylinder connects slide unit mechanism.
As a further improvement on the present invention, described guidance set down comprises guide bracket and guide pillar, and guide bracket is fixed on the underframe of steel framework, and guide pillar places in the guide bracket and with guide bracket and is slidingly matched, and the guide pillar upper end is connected on the tank; The described guidance set of going up comprises guide pin bushing and guide rod, and guide pin bushing is fixed on the upper frame of steel framework, and guide rod places in the guide pin bushing and with guide pin bushing and is slidingly matched, and lower end of the guide rod is connected and suppresses in the frame mechanism.
As a further improvement on the present invention, described pressure-bearing cape upper surface is equipped with the race that the roller bottom slide unit mechanism matches, race is provided with the depressed part that makes roller unsettled, is in vacant state when roller enters depressed part, and slide unit mechanism non-yielding prop is on the pressure-bearing cape.
As a further improvement on the present invention, described slide unit mechanism comprises slide unit, interchangeable platen, pressure-bearing cushion film, fixed block, register pin, side pressure oil cylinder, sprue and roller; Interchangeable platen is fixed on the slide unit, and flat the covering of pressure-bearing cushion film is fixed on the interchangeable platen; Fixed block is arranged on the left side of interchangeable platen and is fixed on the slide unit, is threaded on the fixed block to be useful on the dog screw of fixation workpiece housing; Register pin is arranged on the rear side of interchangeable platen and is fixed on the slide unit, and register pin is used for carrying out spacing to the workpiece housing; The side pressure oil cylinder is arranged on the right side of interchangeable platen, and the side pressure oil cylinder is horizontally disposed with, and the cylinder body of side pressure oil cylinder is fixed on the oil cylinder installing plate that is installed on the slide unit, and the piston rod of side pressure oil cylinder is connected with sprue left, and sprue is used for the lateral opening groove of workpiece pressing housing; In the bottom of slide unit the roller erecting frame is installed, roller is installed on the roller erecting frame by bearing pin.
As a further improvement on the present invention, described sprue rear side is provided with the sprue guide rod, and described oil cylinder installing plate is provided with the pilot sleeve with sprue guide rod corresponding matching, and the sprue guide rod places in the pilot sleeve and with pilot sleeve and is slidingly matched.
As a further improvement on the present invention, four of described slide unit jiaos are provided with the pressure equilibrium pin; Described sprue front surface is bonded with the side pressure cushion film; Be installed with wear ring in the described roller, bearing pin passes behind the wear ring in the roller spacing by back-up ring.
As a further improvement on the present invention, the described frame mechanism of suppressing comprises mount pad, bearing plate, orienting lug, Strut Part and baffle plate; The transversal section of orienting lug is L-shaped, and orienting lug is fixed on the left and right sides of mount pad bottom, and two orienting lugs are symmetrical arranged, and bearing plate is contained between two orienting lugs and by orienting lug and compresses, and between bearing plate and the mount pad cushion block is housed; The rear side of bearing plate is spacing by the baffle plate that is installed on the mount pad, and the front side of bearing plate is spacing by the pad that is installed on the orienting lug front end; The bottom of bearing plate is equipped with at least one Strut Part that is used to compress sealing workpiece housing, and one of them Strut Part is provided with valve.
As a further improvement on the present invention, described Strut Part comprises depression bar, pressure head, shaft block ring, compression spring and setting nut, depression bar is fixed on the bearing plate bottom, the pressure head center has through hole, pressure head is enclosed within on the depression bar and with depression bar and is slidingly matched, and the shaft block ring that pressure head is equipped with by the depression bar end is spacing; Compression spring is sleeved on the depression bar, and the compression spring lower end is connected with the upper end of pressure head, is used for exerting pressure to pressure head; The upper end of compression spring is connected on the setting nut, and the setting nut spiral shell is contained on the depression bar; Described valve is arranged on the pressure head.
As a further improvement on the present invention, the bottom of described bearing plate is equipped with the equilibrium pressure rod member for four jiaos, every equilibrium pressure rod member comprises balance depression bar, balance pressure head and set nut, the balance depression bar is fixed on the bearing plate bottom, and the equilibrium pressure head thread is connected on the balance depression bar and passes through the spacing locking of set nut.
As a further improvement on the present invention, be provided with O-ring seal between described pressure head and the depression bar; Be bonded with gasket seal on the described pressure head basal surface.
Compared with the prior art the present invention has the following advantages:
(1), the present invention is simple in structure, compact, rationally, low cost of manufacture; The installation of housing, dismounting simply, conveniently reduce working strength of workers, have improved efficient;
(2), use the multi-point flexibly sealing, promote pressure head by compression spring and seal, guaranteed sealing load, realize that multiple spot seals simultaneously, can not cross the location; In addition, compared with rigid seal, also reduced the accuracy requirement of making.
(3), suppress bearing plate in the frame mechanism or the pressure head in the Strut Part by replacing, and the corresponding interchangeable platen of changing in the slide unit mechanism, can make the present invention be applicable to that the impermeability of the workpiece housing of different sizes, different structure detects, highly versatile, concerning many kinds workpiece housing manufacturer, not only can save the equipment purchase cost, also can take up an area of the space, save manpower by minimizing equipment, reduce production costs.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is the left view of the embodiment of the invention and roller-way device fit applications.
Fig. 3 is for suppressing frame mechanism structure synoptic diagram among Fig. 1.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the slide unit mechanism structure synoptic diagram among Fig. 1.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is the roller-way apparatus structure synoptic diagram among Fig. 2.
Fig. 8 is the side view of Fig. 7.
Fig. 9 is the A portion enlarged diagram among Fig. 7.
Description of reference numerals: 1-steel framework, the 1a-underframe, the 1b-column, the 1c-upper frame, the 1d-suspension bracket, oil cylinder under the 2-, the 3-guide bracket, the 4-guide pillar, the 5-tank, 6-lifting roller, 7-pressure-bearing cape, the 7a-race, the 7b-depressed part, 8-slide unit mechanism, 9-workpiece housing, 10-suppresses frame mechanism, the 11-guide pin bushing, the 12-upper cylinder, the 13-push cylinder, 14-roller-way device, the 15-slide unit, the interchangeable platen of 16-, 17-pressure-bearing cushion film, the 18-dog screw, the 19-fixed block, the 20-register pin, 21-pressure equilibrium pin, the 22-sprue, 23-side pressure oil cylinder, 24-oil cylinder installing plate, 25-roller erecting frame, the 26-roller, the 27-wear ring, the 28-back-up ring, the 29-bearing pin, 30-slide unit sliver, 31-side pressure cushion film, 32-sprue guide rod, the 33-pilot sleeve, the 34-mount pad, the 35-bearing plate, the 36-orienting lug, the 37-Strut Part, the 37a-depression bar, the 37b-setting nut, the 37c-compression spring, the 37d-pressure head, the 37e-O-ring seal, the 37f-shaft block ring, the 37g-gasket seal, 38-equilibrium pressure rod member, 38a-balance depression bar, the 38b-set nut, 38c-balance pressure head, the 39-cushion block, the 40-guide rod, the 41-baffle plate, the 42-pad, the 43-valve, the 44-roller bed frame, 45-roller erecting frame, the 46-turning axle, the 47-roller shell, the 48-bearing, the outer back-up ring of 49-, the 50-gland, the 51-inner shield ring, the 52-foot bolt.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in the figure: the housing air tightness detection equipment among the embodiment mainly by steel framework 1, down oil cylinder 2, tank 5, pressure-bearing cape 7, slide unit mechanism 8, suppress frame mechanism 10, upper cylinder 12 and push cylinder 13 and form.
Following oil cylinder 2 vertically is provided with, and the cylinder body of following oil cylinder 2 utilizes screw retention on the underframe 1a of steel framework 1, and the piston rod of following oil cylinder 2 upwards is connected on the tank 5; Be provided with four following guidance sets between the underframe 1a of tank 5 and steel member 1, four following guidance sets are arranged on four jiaos of underframe 1a.Described guidance set down is made up of guide bracket 3 and guide pillar 4, and guide bracket 3 utilizes screw retention on the underframe 1a of steel framework 1, and guide pillar 4 places in the guide bracket 3 and with guide bracket 3 and is slidingly matched, and guide pillar 4 upper ends utilize screw to be connected on the tank 5.
The both sides of tank 5 utilize screw that lifting roller 6 is installed, and lifting roller 6 has four, and each lifting roller 6 correspondence is embedded in the channel-section steel of a root post 1b of steel framework 1, play the guiding role.
Pressure-bearing cape 7 utilizes screw to hang and is fixed on the suspension bracket 1d of steel framework 1; The bottom of slide unit mechanism 8 is provided with roller 26, slide unit mechanism 8 is bearing on the pressure-bearing cape 7 by roller 26, described pressure-bearing cape 7 upper surfaces are equipped with the race 7a that matches with the roller 26 of slide unit mechanism 8 bottoms, race 7a is provided with the depressed part 7b that makes roller 26 unsettled, roller 26 is in vacant state when entering depressed part 7b, slide unit mechanism 8 non-yielding props help making workpiece housing 9 firm on pressure-bearing cape 7.
Described slide unit mechanism 8 is used to load fixation workpiece housing 9, and its structure mainly is made up of slide unit 15, interchangeable platen 16, pressure-bearing cushion film 17, fixed block 19, register pin 20, side pressure oil cylinder 23, sprue 22 and roller 26 as shown in Figure 3, Figure 4; Interchangeable platen 16 utilizes screw retention on slide unit 15, and pressure-bearing cushion film 17 is flat to overlay on the interchangeable platen 16 and utilize screw and super glue to fix, and the shape of pressure-bearing cushion film 17 is identical with the shape of interchangeable platen 16; Fixed block 19 is arranged on the left side of interchangeable platen 16 and utilizes screw retention on slide unit 15, the dog screw 18 that is threaded on the fixed block 19 and is useful on fixation workpiece housing 9; Register pin 20 is arranged on the rear side of interchangeable platen 16, and slide unit 15 is provided with pin-and-hole, and register pin 20 is knocked in the pin-and-hole in the mode of interference fit, and register pin 20 is used for carrying out spacing to workpiece housing 9; Side pressure oil cylinder 23 is arranged on the right side of interchangeable platen 16, and side pressure oil cylinder 23 is horizontally disposed with, and the cylinder body of side pressure oil cylinder 23 is fixed on the oil cylinder installing plate 24, and oil cylinder installing plate 24 utilizes screw to be installed on the slide unit 15; The piston rod of side pressure oil cylinder 23 is connected with sprue 22 left, and sprue 22 is used for the lateral opening groove of workpiece pressing housing 9; Utilize screw that roller erecting frame 25 is installed in the bottom of slide unit 15, roller 26 is installed on the roller erecting frame 25 by bearing pin 29.In order to improve the serviceable life of roller 26, be installed with wear ring 27 in the described roller 26, wear ring 27 backs that bearing pin 29 passes in the roller 26 are spacing by back-up ring 28.
As shown in Figure 3, Figure 4, described sprue 22 rear sides are provided with sprue guide rod 32, and described oil cylinder installing plate 24 is provided with the pilot sleeve 33 with sprue guide rod 32 corresponding matching, and sprue guide rod 32 places in the pilot sleeve 33 and with pilot sleeve 33 and is slidingly matched.
As shown in Figure 3, Figure 4, four jiaos of described slide unit 15 are provided with pressure equilibrium pin 21, and pressure equilibrium pin 21 is packed in the slide unit 15 with interference fit equally.Adopt super glue to be bonded with side pressure cushion film 31 on described sprue 22 front surfaces, side pressure cushion film 31 1 can protect workpiece housing 9, two can strengthen friction force, and is firmly reliable more when workpiece housing 9 is compressed.
As Fig. 5, shown in Figure 6, this suppresses frame mechanism 10 and mainly is made up of mount pad 34, bearing plate 35, orienting lug 36, Strut Part 37 and baffle plate 41; The transversal section of orienting lug 36 is L-shaped, orienting lug 36 utilizes the left and right sides of screw retention in mount pad 34 bottoms, two orienting lugs 36 are symmetrical arranged, and bearing plate 35 is contained between two orienting lugs 36 and by orienting lug 36 and compresses, and between bearing plate 35 and the mount pad 34 cushion block 39 are housed; Utilize screw retention that baffle plate 41 is arranged on the back side edge of mount pad 34, the rear side of bearing plate 35 is spacing by baffle plate 41; The front end of every orienting lug 36 utilizes screw that pad 42 is installed, and the front side of bearing plate 35 is spacing by pad 42; The Strut Part 37 that is used for workpiece pressing housing 9 is installed in the bottom of bearing plate 35.The frame mechanism 10 of suppressing among the embodiment is provided with four Strut Parts 37 altogether, and one of them Strut Part 37 is provided with the valve 43 that is used for inflation in workpiece housing 9.Described guide rod 40 utilizes the top of screw retention at mount pad 34.
As shown in Figure 5, described Strut Part 37 mainly is made up of depression bar 37a, pressure head 37d, shaft block ring 37f, compression spring 37c and setting nut 37b, depression bar 37a utilizes screw retention in bearing plate 35 bottoms, pressure head 37d center has through hole, pressure head 37d is enclosed within depression bar 37a and upward and with depression bar 37a is slidingly matched, and the shaft block ring 37f that pressure head 37d is equipped with by depression bar 37a end is spacing; Compression spring 37c is sleeved on the depression bar 37a, and compression spring 37c lower end is connected with the upper end of pressure head 37d, is used for exerting pressure to pressure head 37d; The upper end of compression spring 37c is connected on the setting nut 37b, and setting nut 37b spiral shell is contained on the depression bar 37a, and setting nut 37b can be used for regulating the decrement of compression spring 37c, thus the size of the sealing load that control pressure head 37d produces; Described valve 43 is arranged on the pressure head 4d.In order to prevent that introduced contaminants from entering between pressure head 37d and the depression bar 37a, influence the sliding capability of pressure head 37d, the present invention is provided with O-ring seal 37e between pressure head 37d and depression bar 37a, sealing circle 37e is assemblied in the circle seal groove that pressure head 37d through-hole wall is provided with.Because pressure head 37d is made by metal material, it directly is pressed on the workpiece housing 9 may damage workpiece housing 9, and it is also bad to compress effect simultaneously.In order to overcome above-mentioned defective, the present invention adopts super glue to be bonded with gasket seal 37g on pressure head 37d basal surface.Gasket seal 37g one can protect workpiece housing 9, two can strengthen friction force, and is firmly reliable more when workpiece housing 9 is compressed.
As Fig. 5, shown in Figure 6, workpiece housing 9 for routine, usually there is the situation that the seal point position is asymmetric and sealing load varies in size, for the associated components that prevents to suppress in frame mechanism 10 and the checkout equipment is subjected to force unbalance to produce distortion because of causing, the present invention has installed four equilibrium pressure rod members 38 for four jiaos in the bottom of bearing plate 35, every equilibrium pressure rod member 38 is mainly by balance depression bar 38a, balance pressure head 38c and set nut 38b form, balance depression bar 38a utilizes screw retention in bearing plate 35 bottoms, and balance pressure head 38c is threaded on the balance depression bar 38a and passes through the spacing locking of set nut 38b.Four above-mentioned equilibrium pressure rod member 38 symmetric arrangement help improving the rigidity and the stability of suppressing frame mechanism 10, guarantee each seal point positiver sealing simultaneously.
The principle of work of the present invention and the course of work are as follows:
Adjust roller-way device 14, make roller shell 47 height in the roller-way device 14 contour with the workplace of pressure-bearing cape 7; The slide unit mechanism 8 that is fixed with workpiece housing 9 is placed on the roller-way device 14 also can easily roll on roller shell 47.Slide unit mechanism 8 is connected with the piston rod of push cylinder 13, the piston rod of push cylinder 13 retraction with slide unit mechanism 8 on roller-way device 14 is pulled to pressure-bearing cape 7 checkout equipment.For slide unit mechanism 8 is accurately moved, there is slide unit sliver 30 bottom of described slide unit 15 by screw retention, and slide unit sliver 30 can cooperate with the roller erecting frame 45 in the roller-way device 14, with correcting slide unit mechanism 8.
After slide unit mechanism 8 entered pressure-bearing cape 7, the roller 26 of slide unit mechanism 8 bottoms rolled on race 7a, was moved to the position of setting on the pressure-bearing cape 7 rapidly, and this moment, roller 26 was unsettled, and slide unit mechanism 8 non-yielding props are on pressure-bearing cape 7.
Start oil cylinder 2 down, the tank 5 that the piston rod promotion of following oil cylinder 2 fills aqueous rust preventive moves up, and is immersed in certain depth in the aqueous rust preventive up to workpiece housing 9 integral body, stops to rise under travel switch control.Tank 5 leads by lower guide mechanism and lifting roller 6 in uphill process.
Start upper cylinder 12, the piston rod of upper cylinder 12 promotes to suppress frame mechanism 10 and moves down, and the pressure head 37d on each Strut Part 37 that suppresses frame mechanism 10 compresses and seal up all through holes of workpiece housing 9.Under the guiding of the guide rod 40 that suppresses members of frame, see Fig. 5 by one of them pressure head 37d() on the inflation of 43 pairs of workpiece housing 9 inner chambers of valve, when inflation reaches rated pressure, produce bubble if be immersed in workpiece housing 9 outside surfaces of 5 li of tanks, illustrate and emit the bubble place to have sbrinkage blowhole or crackle, carry out mark, wait is reprocessed; If do not emit bubble, illustrate that this workpiece housing 9 is certified products.
Oppositely start upper cylinder 12, the piston rod pulling of upper cylinder 12 is suppressed frame mechanism 10 and is moved up, and suppresses 10 repositions of frame mechanism.Oppositely start oil cylinder 2 down, the piston rod pulling tank 5 of following oil cylinder 2 moves down, tank 5 repositions, and tank 5 integral body are lower than slide unit mechanism 8 lower surfaces.Oppositely start push cylinder 13, the piston rod of push cylinder 13 promotes slide unit mechanism 8 and moves quickly on the roller-way device 14, with 9 dismountings of workpiece housing down.
Suppress bearing plate 35 in the frame mechanism 10 or the pressure head 37d in the Strut Part 37 by replacing, and the corresponding interchangeable platen of changing in the slide unit mechanism 8 16, can make the present invention be applicable to that the impermeability of the workpiece housing 9 of different sizes, different structure detects.
Claims (10)
1. housing air tightness detection equipment is characterized in that: this checkout equipment comprise steel framework (1), down oil cylinder (2), tank (5), pressure-bearing cape (7), slide unit mechanism (8), suppress frame mechanism (10), upper cylinder (12) and push cylinder (13); Steel framework (1) comprises underframe (1a), column (1b), upper frame (1c) and suspension bracket (1d), and underframe (1a) and upper frame (1c) utilize column (1b) to connect, and suspension bracket (1d) is arranged on upper frame (1c) below and is connected on the upper frame (1c); Following oil cylinder (2) vertically is provided with, and the cylinder body of following oil cylinder (2) is fixed on the underframe (1a) of steel framework (1), and the piston rod of following oil cylinder (2) upwards is connected on the tank (5); Be provided with down guidance set between the underframe (1a) of tank (5) and steel framework (1); The both sides of tank (5) are equipped with lifting roller (6), and lifting roller (6) is embedded in the channel-section steel of steel framework (1) column (1b); Pressure-bearing cape (7) is suspended on the suspension bracket (1d) of steel framework (1); The bottom of slide unit mechanism (8) is provided with roller (26), and slide unit mechanism (8) is bearing on the pressure-bearing cape (7) by roller (26), and slide unit mechanism (8) is used to load fixation workpiece housing (9); Suppress frame mechanism (10) and be arranged on slide unit mechanism (8) top, suppress frame mechanism (10) and be used for compressing sealing workpiece housing (9) downwards; Upper cylinder (12) vertically is provided with, and the cylinder body of upper cylinder (12) is fixed on the upper frame (1c) of steel framework (1), and the piston rod of upper cylinder (12) is connected downwards and suppresses in the frame mechanism (10); Be provided with guidance set between the described upper frame (1c) that suppresses frame mechanism (10) and steel framework (1); Push cylinder (13) is horizontally disposed with, and the cylinder body of push cylinder (13) is fixed on the steel framework (1), and the piston rod of push cylinder (13) connects slide unit mechanism (8).
2. housing air tightness detection equipment as claimed in claim 1, it is characterized in that: described guidance set down comprises guide bracket (3) and guide pillar (4), guide bracket (3) is fixed on the underframe (1a) of steel framework (1), guide pillar (4) places in the guide bracket (3) and with guide bracket (3) and is slidingly matched, and guide pillar (4) upper end is connected on the tank (5); The described guidance set of going up comprises guide pin bushing (11) and guide rod (40), guide pin bushing (11) is fixed on the upper frame (1c) of steel framework (1), guide rod (40) places in the guide pin bushing (11) and with guide pin bushing (11) and is slidingly matched, and guide rod (40) lower end is connected suppresses in the frame mechanism (10).
3. housing air tightness detection equipment as claimed in claim 1, it is characterized in that: described pressure-bearing cape (7) upper surface is equipped with the race (7a) that the roller (26) bottom slide unit mechanism (8) matches, race (7a) is provided with the depressed part (7b) that makes roller (26) unsettled, roller (26) is in vacant state when entering depressed part (7b), slide unit mechanism (8) non-yielding prop is on pressure-bearing cape (7).
4. housing air tightness detection equipment as claimed in claim 1 is characterized in that: described slide unit mechanism (8) comprises slide unit (15), interchangeable platen (16), pressure-bearing cushion film (17), fixed block (19), register pin (20), side pressure oil cylinder (23), sprue (22) and roller (26); Interchangeable platen (16) is fixed on the slide unit (15), and flat the covering of pressure-bearing cushion film (17) is fixed on the interchangeable platen (16); Fixed block (19) is arranged on the left side of interchangeable platen (16) and is fixed on the slide unit (15), the dog screw (18) that is threaded on the fixed block (19) and is useful on fixation workpiece housing (9); Register pin (20) is arranged on the rear side of interchangeable platen (16) and is fixed on the slide unit (15), and register pin (20) is used for carrying out spacing to workpiece housing (9); Side pressure oil cylinder (23) is arranged on the right side of interchangeable platen (16), side pressure oil cylinder (23) is horizontally disposed with, the cylinder body of side pressure oil cylinder (23) is fixed on the oil cylinder installing plate (24) that is installed on the slide unit (15), the piston rod of side pressure oil cylinder (23) is connected with sprue (22) left, and sprue (22) is used for the lateral opening groove of workpiece pressing housing (9); In the bottom of slide unit (15) roller erecting frame (25) is installed, roller (26) is installed on the roller erecting frame (25) by bearing pin (29).
5. housing air tightness detection equipment as claimed in claim 4, it is characterized in that: described sprue (22) rear side is provided with sprue guide rod (32), described oil cylinder installing plate (24) is provided with the pilot sleeve (33) with sprue guide rod (32) corresponding matching, and sprue guide rod (32) places in the pilot sleeve (33) and with pilot sleeve (33) and is slidingly matched.
6. housing air tightness detection equipment as claimed in claim 4 is characterized in that: four jiaos of described slide unit (15) are provided with pressure equilibrium pin (21); Described sprue (22) front surface is bonded with side pressure cushion film (31); Be installed with wear ring (27) in the described roller (26), wear ring (27) back that bearing pin (29) passes in the roller (26) is spacing by back-up ring (28).
7. housing air tightness detection equipment as claimed in claim 1 is characterized in that: the described frame mechanism (10) of suppressing comprises mount pad (34), bearing plate (35), orienting lug (36), Strut Part (37) and baffle plate (41); The transversal section of orienting lug (36) is L-shaped, orienting lug (36) is fixed on the left and right sides of mount pad (34) bottom, two orienting lugs (36) are symmetrical arranged, bearing plate (35) is contained between two orienting lugs (36) and compresses by orienting lug (36), between bearing plate (35) and the mount pad (34) cushion block (39) is housed; The rear side of bearing plate (35) is spacing by the baffle plate (41) that is installed on the mount pad (34), and the front side of bearing plate (35) is spacing by the pad (42) that is installed on orienting lug (36) front end; The bottom of bearing plate (35) is equipped with at least one Strut Part (37) that is used to compress sealing workpiece housing (9), and one of them Strut Part (37) is provided with valve (43).
8. housing air tightness detection equipment as claimed in claim 7, it is characterized in that: described Strut Part (37) comprises depression bar (37a), pressure head (37d), shaft block ring (37f), compression spring (37c) and setting nut (37b), depression bar (37a) is fixed on bearing plate (35) bottom, pressure head (37d) center has through hole, pressure head (37d) is enclosed within depression bar (37a) and upward and with depression bar (37a) is slidingly matched, and the shaft block ring (37f) that pressure head (37d) is equipped with by depression bar (37a) end is spacing; Compression spring (37c) is sleeved on the depression bar (37a), and compression spring (37c) lower end is connected with the upper end of pressure head (37d), is used for exerting pressure to pressure head (37d); The upper end of compression spring (37c) is connected on the setting nut (37b), and setting nut (37b) spiral shell is contained on the depression bar (37a); Described valve (43) is arranged on the pressure head (37d).
9. housing air tightness detection equipment as claimed in claim 7, it is characterized in that: the bottom of described bearing plate (35) is equipped with equilibrium pressure rod member (38) for four jiaos, every equilibrium pressure rod member (38) comprises balance depression bar (38a), balance pressure head (38c) and set nut (38b), balance depression bar (38a) is fixed on bearing plate (35) bottom, and balance pressure head (38c) is threaded on the balance depression bar (38a) and passes through the spacing locking of set nut (38b).
10. housing air tightness detection equipment as claimed in claim 7 is characterized in that: be provided with O-ring seal (37e) between described pressure head (37d) and the depression bar (37a); Be bonded with gasket seal (37g) on described pressure head (37d) basal surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102982641A CN101936800B (en) | 2010-09-30 | 2010-09-30 | Detection equipment of air tightness of shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102982641A CN101936800B (en) | 2010-09-30 | 2010-09-30 | Detection equipment of air tightness of shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101936800A CN101936800A (en) | 2011-01-05 |
| CN101936800B true CN101936800B (en) | 2011-10-26 |
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| CN103335790A (en) * | 2013-07-16 | 2013-10-02 | 江苏博众汽车部件有限公司 | Gas tightness testing equipment |
| CN104316268A (en) * | 2014-09-15 | 2015-01-28 | 广州市番禺科腾工业有限公司 | Leakage testing detection mechanism of cylinder body and method for replacing leakage testing clamp |
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| CN105973539A (en) * | 2016-06-20 | 2016-09-28 | 丹阳市常盛机械有限公司 | Tightness testing device for machine oil filter |
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