CN206065182U

CN206065182U - A kind of puncturing machine and multistation section enter to stretch self-positioning punch die

Info

Publication number: CN206065182U
Application number: CN201620903231.8U
Authority: CN
Inventors: 徐夏秋
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-18
Filing date: 2016-08-18
Publication date: 2017-04-05
Anticipated expiration: 2026-08-18

Abstract

The utility model discloses a kind of puncturing machine and multistation section enter to stretch self-positioning punch die, multistation section enters to stretch self-positioning punch die includes forcing press and upper mould with lower mould, be provided with the contact pin for flange being produced around the hole on tube sheet on the lower mould, the turnover chamber with flange consistent size is provided with upper mould, during matched moulds, the flange is located between contact pin and turnover chamber, puncturing machine includes that forcing press and the multistation section enter to stretch self-positioning punch die, its drip irrigation device is by arranging upper mould and lower mould and contact pin, flange can be produced around hole easily, the flange size shape all same for producing simultaneously, high degree of automation, it is simple to operation, production efficiency is high.

Description

A kind of puncturing machine and multistation section enter to stretch self-positioning punch die

Technical field

This utility model is related to the manufacturing equipment of tubular heat exchanger, more particularly to a kind of puncturing machine and multistation section Enter and stretch self-positioning punch die.

Background technology

Tubular heat exchanger is a kind of heat exchanger most widely used in current chemical industry and Alcohol Production, it mainly by housing, Tube sheet, heat exchanger tube, end socket, hydraulic barrier etc. are constituted, and hot fluid inlet and hot fluid outlet ports are provided with housing, cold during work Fluid enters the other end out from heat exchanger tube one end, and simultaneously hot fluid is entered from hot fluid inlet and then from hot fluid outlet ports Out, when hot fluid flows, can increase hot fluid in the presence of deflection plate pulls path so that heat exchange effect is more It is good.

Wherein exchanger tubes and tubesheets need to weld together, and first open up on tube sheet and heat exchanger tube consistent size during fabrication Hole, while need around hole, flange is set so that exchanger tubes and tubesheets connect when contact area it is bigger, weld it is more firm Gu；When generally processing tube sheet, it is that the hole less than heat exchange pipe size is first opened up on tube sheet, then manually passes through instrument by hole week Enclose to turning over so that while flange is produced around hole, make the size and heat exchanger tube matching size in hole；But this processing method adds Work complexity efficiency is low, while expending substantial amounts of manpower and materials, it is impossible to meet enterprise's production.

Utility model content

In view of the shortcomings of the prior art, first purpose of the present utility model is to provide a kind of multistation section to enter to draw Self-positioning punch die is stretched, the automatically working when equipment works, production efficiency are high, directly once gone out on foraminate tube sheet is bored Flange, and the hole gone out is in the same size, coordinates tight with heat exchanger tube.

First above-mentioned purpose of the present utility model technical scheme is that：A kind of multistation section Enter to stretch self-positioning punch die, including upper mould and lower mould, be provided with the lower mould and turn over for producing around the hole on tube sheet The contact pin on side, is provided with the turnover chamber with flange consistent size on upper mould, during matched moulds, the flange be located at contact pin with turnover chamber it Between.

By above-mentioned technical proposal, during work, upper mould is opened with lower mould, and tube sheet is placed between upper mould and lower mould, while Hole on tube sheet is alignd with contact pin, afterwards so that the downward mould of upper mould is moved, and tube sheet is sandwiched between mould and lower mould, Part around tubesheet holes can be flipped up by contact pin so that produce flange around hole, the flange of generation will in turnover chamber, Simultaneously because flange can be just accommodated between turnover chamber and contact pin, so the shape of flange will be overturn between chamber and contact pin The shape in space is consistent, and when producing every time, the flange shape and structure of generation is consistent；Whole process is simply put conveniently, no Substantial amounts of manpower and material resources, production efficiency are needed to greatly increase.

Preferably, the contact pin includes the positioning section for positioning tube sheet and the flange for flange is routed up around hole Section, by arc transition between the positioning section and flange section, the flange section is with positioning section junction apart from lower mould upper surface Between distance not less than flange width.

By above-mentioned technical proposal, in order to easy to process, the upper semisection of contact pin is arranged into relatively thin, the diameter of such contact pin will Less than the diameter in hole, in facilitating the hole on contact pin insertion tube sheet, the lower semisection of contact pin is arranged into relatively thick, the diameter of such contact pin will More than the diameter in hole, for causing to flip up around the hole on tube sheet, during matched moulds, contact pin will insert the turnover chamber of upper mould, To be formed and the consistent cavity of tube plate thickness between turnover chamber and contact pin, when upper and lower mould is gradually and when getting up, flange gradually will enter Enter and turn down in chamber, and flange shape is controlled in the presence of contact pin with turnover chamber, therefore, the flange produced every time Shape size is consistent, in order to ensure that flange normally complete can be dug, it is necessary to so that contact pin flange section exposes the height of lower mould Width of the degree more than flange, the wherein difference of the diameter in the diameter of contact pin flange section and hole are equal to the width of flange；Simultaneously will positioning Section passes through arc transition with flange section, it is easier to which, so that contact pin routs up flange around hole, whole mould structure is simple, manufacturer Just.

Preferably, the lower mould includes low bottom-disc and the lower conflict block being arranged on low bottom-disc, sets on the lower conflict block Sliding chamber is equipped with, the contact pin passes through the sliding chamber, slip between the sliding chamber and contact pin is provided with slide block, the slide block and sliding chamber Be provided between bottom for by slide block to by the first flange section fully wrapped around thrust device.

By above-mentioned technical proposal, in order that tube sheet is easily placed on lower mould, needs arrange slide block, slide block on lower mould In the flange section of contact pin is completely encapsulated in, will be with shoe contact when such tube sheet is placed on contact pin, slide block is played lifts pipe The effect of plate, prevents tube sheet from upset occurring before matched moulds so that tube sheet is not parallel with upper and lower mould end face, causes hole to occur during matched moulds Discontinuity, affects the quality of processing back tube sheet, by arranging the first thrust device between slide block and sliding bottom of chamber portion, can be with Slide block is pushed into into sliding intracavity portion in matched moulds, slide block is released sliding chamber by the first thrust device again in the demoulding, such slide block both may be used To play the purpose for lifting tube sheet, matched moulds is not interfered with again.

Preferably, the upper mould includes top bottom-disc and the upper conflict block for being arranged on top bottom-disc, and the turnover chamber is arranged on Contradict on block, sliding in the turnover chamber is provided with pushing block, between the pushing block and turnover bottom of chamber portion, be provided with the second thrust dress Put.

By above-mentioned technical proposal, as flange can be entered in turnover chamber, due in the presence of contact pin flange can with turn over Folding cavity wall laminating, thus it is relatively elaborate when needing flange is taken out from turnover chamber, processing progress is affected, is pushed away by arranging Block, can push away pushing block when flange is entered in turnover chamber to turnover intracavity portion, and when die sinking, pushing block can be filled in the second thrust By flange to the extrapolation of turnover chamber in the presence of putting, it is to avoid lose time and manpower during manually by flange from turnover chamber, operation letter Folk prescription is just.

Preferably, the upper size for contradicting block is provided with boss on the upper conflict block, institute more than the spacing between hole The spacing being smaller in size than between adjacent holes of boss is stated, the boss is run through in the turnover chamber.

By above-mentioned technical proposal, in order to prevent upper conflict block because turnover chamber is arranged and insufficient strength, need to support by Contact block arranges thicker so that above contradicts block size and increases, during processing, is easily pressed onto the flange that early stage is processed, therefore supports upper Boss is set, and boss can be contacted with tube sheet, it is to avoid block is above contradicted and the flange that early stage is processed is damaged by pressure on contact block.

Preferably, the pushing block is provided with the locating slot coordinated with contact pin near contact pin end.

By above-mentioned technical proposal, there is dislocation to prevent upper and lower mould during matched moulds, locating slot is set on pushing block, is worked When, in contact pin insertion locating slot, such upper and lower mould coordinates accurate stable.

Preferably, the lower conflict is provided with the first passage connected with sliding chamber on block.

By above-mentioned technical proposal, the air between the slide block that can be made when being moved in sliding chamber due to slide block and sliding chamber is pressed Contracting so that the lower block that contradicts is subject to larger pressure, easily causes the lower block that contradicts and damages, by arranging the first passage, can make Phase copper between chamber and slide block must be slided is derived by the first passage, in sliding chamber be all the time it is identical with external atmosphere pressure, so, mould Tool long service life.

Preferably, the upper conflict is provided with the second passage connected with turnover chamber on block.

By above-mentioned technical proposal so that the air between pushing block and turnover chamber is made when pushing block is moved in turnover chamber The air obtained between pushing block and turnover chamber is discharged from the second passage, it is to avoid is above contradicted block and is subject to larger pressure.

Second purpose of the present utility model is to provide a kind of puncturing machine, by using specific mould, Ke Yifang Just by pressure machining tube sheet, process quick and convenient.

Above-mentioned second purpose of the present utility model technical scheme is that：A kind of punching pressure Machine, including the multistation section described in above-mentioned technical proposal enters to stretch self-positioning punch die, also including forcing press, the forcing press includes Drift and the workbench relative with drift, the upper mould are separately fixed on the drift and workbench with lower mould.

By above-mentioned technical proposal, by upper mould is fixed on drift, lower mould is fixed on the table, it is possible to use Forcing press easily realizes die sinking and matched moulds, saves manpower.

Preferably, the upper mould is bolted on the drift, be provided with the workbench bolt with Location-plate, is provided with mounting hole on the location-plate, the bolt is fixedly connected through the mounting hole with workbench, institute State, the adjusting nut is contradicted with the location-plate.

By above-mentioned technical proposal, need different upper moulds with lower mould to process due to different tube sheets, accordingly, it would be desirable to root Carry out more mold exchange according to the difference of production batch, by upper mould is fixed by bolts on drift, while lower mould is passed through location-plate Workbench is fixed on, due to certain error being had after upper mould and lower mould installation, accordingly, it would be desirable to adjust after upper mould is fixed The position of the lower mould of section so that upper and lower mould aligns, by fixing and easily can adjust down lower mould location-plate and bolt The position of mould, during regulation, turns on bolt, then so that unclamping between lower mould and location-plate, convenient to move on the table Lower mould, while the position of location-plate can also be adjusted by the mounting hole being arranged on location-plate, is adjusted simple and convenient.

In sum, this utility model having the beneficial effect that in contrast to prior art：By arranging contact pin, while by contact pin It is arranged to thinner positioning section and thicker flange section, in that context it may be convenient to production department's flange on tube sheet, while setting on upper mould Turnover chamber is put, the shape of each flange can be caused consistent, produced quick and convenient.

Description of the drawings

Topology views of the Fig. 1 for embodiment one；

Half sectional views of the Fig. 2 for embodiment one；

Topology views of the Fig. 3 for embodiment two.

Reference：1st, upper mould；111st, top bottom-disc；112nd, upper conflict block；2nd, lower mould；211st, low bottom-disc；212nd, lower conflict Block；3rd, contact pin；311st, positioning section；312nd, flange section；4th, turn down chamber；5th, sliding chamber；6th, slide block；7th, the first thrust device；8th, pushing block； 9th, the second thrust device；10th, boss；11st, locating slot；12nd, the first passage；13rd, the second passage；14th, forcing press；15th, rush Head；16th, workbench；17th, location-plate；18th, bolt；19th, mounting hole；20th, adjusting nut；21st, support block.

Specific embodiment

This utility model is described in further detail below in conjunction with accompanying drawing.

This specific embodiment is only which is not to restriction of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification for not having creative contribution after this specification is read as needed to the present embodiment, but As long as all being protected by Patent Law in right of the present utility model.

As shown in figure 1, a kind of multistation section enters to stretch self-positioning punch die, including upper mould 1 and lower mould 2, upper mould 1 includes bottom Disk 111 and the upper conflict block 112 being arranged on top bottom-disc 111, lower mould 2 include low bottom-disc 211 with lower conflict block 212, upper conflict Block 112 is cylindric with lower conflict block 212, on lower conflict block 212 is provided with sliding chamber 5, sliding chamber 5 it is cylindrically shaped, As shown in Fig. 2 the axis direction along sliding chamber 5 is provided with contact pin 3, between contact pin 3 and sliding chamber 5, be provided with slide block 6, slide block 6 with Between sliding chamber 5, slip of fitting between slide block 6 and contact pin 3 is provided with the first thrust device between slide block 6 and sliding 5 bottom of chamber 7, there is the trend moved upwards all the time for causing slide block 6；Turnover chamber 4 is provided with upper conflict block 112, turnover is slided in chamber 4 Pushing block 8 is provided with, turnover chamber 4 is oppositely arranged with sliding chamber 5, wherein a circle boss 10, boss are provided with the opening in turnover chamber 4 10 height not less than flange thickness, boss 10 be annular, the spacing being smaller in size than between adjacent holes of boss 10.

For cylindric, 1 section near upper mould of contact pin 3 is the positioning section 311 less than hole to contact pin 3, with positioning section 311 is connected is Thicker flange section 312, the wherein size of flange section 312 are equal to the width of the size plus flange in hole, flange section 312 and positioning By arc transition between section 311, tube sheet is facilitated to slide to flange section 312 from positioning section 311；Wherein slide block 6 is located at highest During place can will be the flange section 312 of contact pin 3 fully wrapped around, when such tube sheet is placed on contact pin 3, slide block 6 will be played and support tube sheet Effect.

Wherein the first thrust device 7 and the second thrust device 9 are spring, wherein just arranging to place with contact pin 3 in pushing block 8 There is locating slot 11, locating slot 11 is semi-spherical grooves, facilitates upper and lower mould 2 to align.

Be provided with block 212 and the first passage 12 that sliding chamber 5 connect in lower conflict, it is upper contradict be provided with block 112 with Second passage 13 of turnover chamber 4 connection, wherein the first passage 12 is located at sliding 5 bottom of chamber respectively with the second passage 13 being in At turnover 4 bottom of chamber.

Embodiment two：As shown in figure 3, a kind of puncturing machine 14, including embodiment one, also including forcing press 14, pressure Machine 14 includes drift 15 and the workbench 16 relative with drift 15, and upper mould 1 is bolted on drift 15, and lower mould 2 is solid It is scheduled on workbench 16, wherein, bolt 18 and location-plate 17 are provided with workbench 16, on location-plate 17, waist is provided with Shape hole 19, bolt 18 are fixedly connected through mounting hole 19 with workbench 16, and adjusting nut 20 is provided with bolt 18, Adjusting nut 20 is contradicted with the location-plate 17, and support block 21 is provided between location-plate 17 and workbench 16, for causing The convenient fixed lower mould 2 of location-plate 17.

During work, upper mould 1 is separated with lower mould 2, and then tube sheet to be processed is placed between upper and lower mould 2, then by contact pin 3 In hole on insertion tube sheet, and tube sheet is fitted with slide block 6, then open forcing press 14 so that upper mould 1 is moved downward, this When contact pin 3 positioning section 311 end will insert locating slot 11 in, as the continuous motion contact pin 3 of upper mould 1 will push away pushing block 8 Enter to turn down in chamber 4, at the same the boss 10 on upper mould 1 will around the hole with tube sheet contradict, rear slider 6 will contradict in boss 10 The first thrust device 7 is compressed while tube sheet so that slide block 6 is progressed in sliding chamber 5, then the flange section 312 of contact pin 3 will be Contradict in turnover chamber 4 around hole on tube sheet, contact pin 3 constantly will be entered in turnover chamber 4, and the flange of turnover is clipped in and is turned over Between folding chamber 4 and the flange section 312 of contact pin 3, flange is shaped, when upper and lower mould 2 is combined completely, flange has been turned down Into, the demoulding is accomplished by afterwards, when upper and lower mould 2 is disengaged, upper mould 1 is moved upwards, and then boss 10 will remove the pressure to tube sheet, together When contact pin 3 also will from turnover chamber 4 in out, at this moment in the presence of the first thrust mechanism and the second thrust mechanism, slide block 6 with push away Block 8 is contradicted the end of the bottom surface with flange of tube sheet respectively, and flange is released from turnover chamber 4 by pushing block 8, and slide block 6 will be tube sheet Positioning section 311 is pushed into from flange section 312, it is convenient to take out tube sheet.

The above is only exemplary embodiment of the present utility model, not for restriction protection model of the present utility model Enclose, protection domain of the present utility model is determined by appended claim.

Claims

1. a kind of multistation section enters to stretch self-positioning punch die, it is characterized in that：Including upper mould (1) and lower mould (2), the lower mould (2) On be provided with contact pin (3) for producing flange around the hole on tube sheet, be provided with and flange consistent size on upper mould (1) Turnover chamber (4), during matched moulds, the flange be located at contact pin (3) with turn down chamber (4) between.

2. multistation section according to claim 1 enters to stretch self-positioning punch die, it is characterized in that：The contact pin (3) includes using In the positioning section (311) and flange section (312) for flange is routed up around hole of positioning tube sheet, the positioning section (311) and By arc transition between flange section (312), the flange section (312) is with positioning section (311) junction apart from lower mould (2) upper end Width of the distance between face not less than flange.

3. multistation section according to claim 2 enters to stretch self-positioning punch die, it is characterized in that：Under the lower mould (2) includes Chassis (211) and the lower conflict block (212) being arranged on low bottom-disc (211), are provided with sliding chamber on lower conflict block (212) (5), the contact pin (3) is slided between the sliding chamber (5) and contact pin (3) and is provided with slide block (6) through the sliding chamber (5), described Be provided between slide block (6) and sliding chamber (5) bottom for by slide block (6) to by the first flange section (312) fully wrapped around thrust Device (7).

4. multistation section according to claim 1 enters to stretch self-positioning punch die, it is characterized in that：The upper mould (1) is including upper Chassis (111) and the upper conflict block (112) for being arranged on top bottom-disc (111), the turnover chamber (4) are arranged on conflict block (112) On, slide in the turnover chamber (4) and be provided with pushing block (8), between the pushing block (8) and turnover chamber (4) bottom, be provided with second Thrust device (9).

5. multistation section according to claim 4 enters to stretch self-positioning punch die, it is characterized in that：Upper conflict block (112) Size more than the spacing between hole, be provided with boss (10) on upper conflict block (112), the size of the boss (10) is little Spacing between adjacent holes, the turnover chamber (4) is through the boss (10).

6. multistation section according to claim 4 enters to stretch self-positioning punch die, it is characterized in that：The pushing block (8) is near slotting Pin (3) end is provided with the locating slot (11) coordinated with contact pin (3).

7. multistation section according to claim 3 enters to stretch self-positioning punch die, it is characterized in that：Lower conflict block (212) On be provided with and the first passage (12) that sliding chamber (5) connect.

8. multistation section according to claim 4 enters to stretch self-positioning punch die, it is characterized in that：Upper conflict block (112) On be provided with and turn down chamber (4) second passage (13) for connecting.

9. a kind of puncturing machine (14), enters to stretch self-positioning punching including the multistation section described in claim 1 ~ 8 any one Mould, also including forcing press (14), the forcing press (14) includes drift (15) and the workbench (16) relative with drift (15), The upper mould (1) is separately fixed on the drift (15) and workbench (16) with lower mould (2).

10. a kind of puncturing machine (14) according to claim 9, is characterized in that：The upper mould (1) is bolted On the drift (15), bolt (18) and location-plate (17), the location-plate on the workbench (16), are provided with (17) mounting hole (19) is provided with, the bolt (18) connects through the mounting hole (19) and workbench (16) are fixed Connect, on the bolt (18), be provided with adjusting nut (20), the adjusting nut (20) is contradicted with the location-plate (17).