CN108405683A - It is vented pipe processing device - Google Patents
It is vented pipe processing device Download PDFInfo
- Publication number
- CN108405683A CN108405683A CN201810291759.8A CN201810291759A CN108405683A CN 108405683 A CN108405683 A CN 108405683A CN 201810291759 A CN201810291759 A CN 201810291759A CN 108405683 A CN108405683 A CN 108405683A
- Authority
- CN
- China
- Prior art keywords
- rack
- exhaust pipe
- gear
- workbench
- bent rod
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/01—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/16—Auxiliary equipment, e.g. machines for filling tubes with sand
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/16—Auxiliary equipment, e.g. machines for filling tubes with sand
- B21D9/18—Auxiliary equipment, e.g. machines for filling tubes with sand for heating or cooling of bends
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention belongs to auto parts and components manufacture fields, specifically disclose a kind of exhaust pipe processing device, including rack, and rack is equipped with workbench, and worktable upper surface is equipped with placing groove, and the bottom of placing groove is arc；It is arranged with bending part positioned at placing groove both sides in rack, bending part includes the sliding slot being located in rack, and sliding slot includes horizontal segment and segmental arc, and segmental arc is equipped with through-hole；Bent rod is slidably connected in sliding slot, bent rod includes compliant section and rigid section, and compliant section is equipped with storage chamber, is respectively equipped with hydrochloric acid and sodium carbonate in the storage chamber of two compliant sections, discharge port is additionally provided on compliant section；Pressing unit includes the first gear being rotatably connected in rack and the second gear that is engaged with first gear, and pressing unit further includes the first rack and the second rack being slidably connected in rack, and the lower end of the first rack and the second rack is equipped with staking punch.Scheme using the present invention solves the problems, such as to be easy to cause cross sectional shape distortion when exhaust pipe bending.
Description
Technical field
The invention belongs to auto parts and components manufacture fields, and in particular to a kind of exhaust pipe processing device.
Background technology
Exhaust pipe is installed between engine exhaust and silencer, and it is in Flexible spacecraft to make whole gas extraction system, to
Play the role of vibration and noise reducing, facilitate installation and extend the exhausting silencer system service life, exhaust pipe is mainly used in Light-duty Vehicle, miniature
On vehicle and car.
In the process of exhaust pipe, exhaust pipe processing in straight pipeline and then is often used into bending machine pair
Exhaust pipe is bent.Bending machine includes the workbench for placing exhaust pipe and the staking punch positioned at workbench both sides.Make
Pipeline is first positioned on workbench by the used time, and the both ends of exhaust pipe are directed at staking punch, start bending machine, staking punch slide downward
The both ends of exhaust pipe are pressed downward, bending is completed.
Above-mentioned apparatus has the following defects：1, the upper side wall at exhaust pipe both ends is moved downward by the pressure of staking punch, and
The pressure that the lower wall at exhaust pipe both ends is subject to is likely to be not enough to cause its deformation, eventually leads to the both ends of exhaust pipe and becomes ellipse
It is round to be even closed；2, the lower wall of the center bending place of exhaust pipe is by the supporting role of workbench and pushing for staking punch
Effect is easily deformed, and the upper side wall for being vented tube hub does not have supporter to cause deformation smaller, eventually leads to the center of exhaust pipe
Locate oval.Drawbacks described above causes the cross sectional shape of exhaust pipe to distort, and influences the use of exhaust pipe.
Invention content
The purpose of the present invention is to provide a kind of exhaust pipe processing devices, to be easy to cause section when solving exhaust pipe bending
The problem of shape distortion.
In order to achieve the above objectives, base case of the invention is：It is vented pipe processing device, including rack, rack are equipped with
Workbench, worktable upper surface are equipped with placing groove, and the bottom of placing groove is arc；It is arranged with positioned at placing groove both sides in rack
Bending part, bending part include the sliding slot being located in rack, and sliding slot includes horizontal segment and segmental arc, and segmental arc is located at sliding slot close to work
Make one end of platform, segmental arc is equipped with through-hole；Slidably connecting bent rod in sliding slot, bent rod includes compliant section and rigid section,
Compliant section is located at the one end of bent rod close to workbench, and compliant section is equipped with storage chamber, two compliant sections close to the end of workbench
Storage chamber in be respectively equipped with hydrochloric acid and sodium carbonate, the discharge port being connected to storage chamber is additionally provided on compliant section, is set in discharge port
There is discharging check valve；It is located above workbench in rack and is equipped with pressing unit, pressing unit includes being rotatably connected in rack
First gear and the second gear engaged with first gear, pressing unit further include the first rack for being slidably connected in rack and
Second rack, the first rack and first gear engagement, the second rack and second gear engage, under the first rack and the second rack
End is equipped with staking punch, and the motor for driving first gear to rotate is additionally provided in rack.
The operation principle of this base case is：
Placing groove is for placing exhaust pipe to be bent.Pressing unit is for bending downward exhaust pipe, the work of pressing unit
It is as principle：Motor drives first gear to rotate forward, and first gear drives the second gear reversion being engaged with, first gear to drive
The first rack being engaged with moves downward, and second gear drives the second rack for being engaged with to move downward, the first rack and
Second rack moves downward simultaneously, and staking punch moves downward therewith, is pressed downward the both ends of exhaust pipe.
Bending part is bent downwardly together with exhaust pipe, and deflated at exhaust tube hub for avoiding.The work of bending part
Principle is：Sliding bent rod is moved to close to exhaust pipe direction, and bent rod is inserted into exhaust pipe.The bent rod of both sides is inserted into simultaneously
It in exhaust pipe and moves toward one another, existing gas is squeezed in exhaust pipe, and air pressure has a degree of increase, is squeezed flexible
Section, the material in storage chamber is extruded from discharge port and is discharged.Hydrochloric acid and sodium carbonate, which react, generates great amount of carbon dioxide, in exhaust pipe
In high pressure conditions.When being bent to exhaust tube hub, the lower wall of exhaust pipe is bent downward by the support of placing groove, due to
Be vented at tube hub is in high pressure conditions, the upper side wall of upward exhaust pipe so that the upper side wall of exhaust pipe can also be curved therewith
Folding avoids deflated at exhaust tube hub.
When bent rod slides into the end of horizontal segment, staking punch is pressed downward exhaust pipe, and bent rod moves downward therewith, bending
The one end of bar far from workbench slides into segmental arc, and segmental arc resists the end of bent rod, avoids the air pressure in exhaust pipe that from bending
Bar is pushed out out of exhaust pipe.When bent rod slides into the through hole of segmental arc, air pressure in exhaust pipe push bent rod from
Begin to rehearse tracheae, and bending is completed in the gas discharge in exhaust pipe.
The advantageous effect of this base case is：
1, setting bent rod has 3 effects, and first, the one end of bent rod far from workbench is rigid section, can bent
When play a supporting role to the both ends of exhaust pipe, avoid exhaust pipe both ends by pressure it is excessive cause both ends become ellipse even close
It closes；Second, bent rod is compliant section close to one end of workbench, on the one hand, bent rod is when being inserted into exhaust pipe, in exhaust pipe
Air pressure change push compliant section so that material in storage chamber is discharged from discharge port, is reacted；On the other hand, it is being vented
In pipe bending process, compliant section may also occur centainly to bend therewith, compare rigid section, and compliant section is more yielding, convenient follow-up
It takes out；Third, bent rod block the both ends of exhaust pipe so that be in sealing state in the middle part of exhaust pipe, react the gas of generation without
Method is discharged, and forms the high pressure conditions in exhaust pipe.
2, there are 3 effects in high pressure conditions in exhaust pipe, first, the upper side wall of upward exhaust pipe so that exhaust pipe
Upper side wall can also together be bent with lower wall, avoid exhaust tube hub at become ellipse；Second, when bent rod slides
To segmental arc through hole when, the air pressure in exhaust pipe pushes bent rod and leaves exhaust pipe；Third, bent rod leave exhaust pipe
Afterwards, the gas in exhaust pipe is discharged, and the carbon dioxide gas under high pressure conditions discharges suddenly, turns to normal pressure (or low pressure) state,
The physical state of this gas instantaneous expansion is converted along with a large amount of endothermic process, plays the role of cooling and shaping to exhaust pipe.
3, on the one hand the chemical reaction of hydrochloric acid solution and sodium carbonate liquor generates great amount of carbon dioxide gas so that exhaust
Tube cavity is in high pressure conditions；On the other hand belong to exothermic reaction so that the temperature for being vented tube cavity increases, and exhaust pipe is heated, increases
Add plasticity, it is easier to bend.
4, segmental arc is set on sliding slot, when bent rod slides into the end of horizontal segment, staking punch is pressed downward exhaust pipe, bending
Bar moves downward therewith, and the one end of bent rod far from workbench slides into segmental arc, and segmental arc resists the end of bent rod, the row of avoiding
Endotracheal air pressure pushs out bent rod out of exhaust pipe.
5, it controls staking punch by gear, rackwork and pushes, the stroke by controlling gear rotation can control punching press
The stroke that head pushes, and control the stroke of staking punch pushing, so that it may to control the angle of exhaust pipe bending, due to gear, rack
Transmission accuracy it is higher, then can more accurately control exhaust pipe bending angle.
Further, convex block is slidably connected on the first rack, convex block both sides are equipped with reed, are set positioned at underbump in rack
It is useful for control motor and changes the limit switch turned to.Reed is squeezed, can be with slide bumping, it can be with according to required bending angle
The distance for needing the first rack to glide is calculated, the position of convex block is adjusted with this.Convex block is moved downward with the first rack, is resisted simultaneously
Limit switch is triggered, control motor changes rotation, and first gear, which changes, to be turned to, and second gear is driven also to change steerings, realization the
The reset of one rack, the second rack.
Further, bending part further includes the conveyer belt for transmitting bent rod, and conveyer belt setting is separate in rack upper hopper chute
One end of workbench.In batch machining, it is convenient for changing new bent rod.
Further, compliant section is equipped with guide pad close to one end of workbench.When bent rod is inserted into exhaust pipe, guide pad
Guiding role can be played, insertion is facilitated.
Further, it places trench bottom and is equipped with electric heater.In the process of bending, further exhaust pipe is heated, increases row
The plasticity of tracheae, convenient for bending.
Description of the drawings
Fig. 1 is the schematic diagram of the embodiment of the present invention；
Fig. 2 is the status diagram that bent rod is inserted into exhaust pipe；
Fig. 3 is the status diagram that exhaust pipe is bent downward；
Fig. 4 is the enlarged diagram of part A in Fig. 2；
Fig. 5 is the structural schematic diagram of convex block and reed.
Specific implementation mode
It is further described below by specific implementation mode：
Reference numeral in Figure of description includes：Exhaust pipe 1, the first rack 2, first gear 3, second gear 4, second
Rack 5, sliding slot 6, through-hole 7, conveyer belt 8, placing groove 9, rigid section 10, compliant section 11, convex block 12, reed 13.
As shown in Figure 1,1 processing unit (plant) of exhaust pipe, including rack, workbench, the upper surface of workbench are fixed in rack
Equipped with placing groove 9,9 bottom of placing groove is in the reclinate arc in both ends, and exhaust pipe 1 is placed in placing groove 9, and exhaust pipe 1 is curved
When folding, the bottom of placing groove 9 will not hinder 1 both ends of exhaust pipe to move downward.The bottom centre of placing groove 9 is equipped with electric heater,
When exhaust pipe 1 is bent, electric heater may be used, 1 center of exhaust pipe is heated, increases the plasticity of exhaust pipe 1, more hold
It is pliable.Placing groove 9 is equipped with pressing plate, and pressing plate covers pressing plate equipped with clump weight after placing exhaust pipe 1, can be to avoid curved
During folding, exhaust pipe 1 moves upwards.
It is located above workbench in rack and is equipped with pressing unit, pressing unit includes the first tooth being rotatably connected in rack
Wheel 3 and the second gear 4 engaged with first gear 3, second gear 4 are located at 3 right side of first gear, are located at first gear in rack
3 left slides are connected with the first rack 2 engaged with first gear 3, be located in rack 4 right side of second gear slidably connect with
The second rack 5 that second gear 4 engages.The lower end of first rack 2 and the second rack 5 has been fixedly connected with staking punch.In rack
Equipped with motor, first gear 3 is arranged on the output shaft of motor, and motor is for driving first gear 3 to rotate.On first rack 2
Equipped with groove, convex block 12 is slidably connected in groove, as shown in figure 5, the both sides of convex block 12 are equipped with reed 13, are equipped with and are supplied in groove
The card slot that reed 13 is caught in.Reed 13 is squeezed, convex block 12 can be made to be slided in groove, unclamps reed 13, reed 13 is caught in card
In slot, it can continue to slide to avoid convex block 12.
It is arranged with bending part positioned at workbench both sides in rack, bending part includes the sliding slot 6 being arranged in rack, sliding slot
Bent rod is slidably connected in 6, sliding slot 6 includes horizontal segment and the segmental arc positioned at horizontal segment inner end, the bottom of segmental arc
Equipped with through-hole 7, the internal diameter of through-hole 7 is more than the outer diameter of bent rod.Bending part further includes the transmission positioned at 6 horizontal segment outboard end of sliding slot
Band 8, conveyer belt 8 is for transmitting bent rod.
As shown in figure 4, bent rod includes compliant section 11 and the rigid section 10 positioned at 11 inner end of compliant section, compliant section 11
For air bag bar, and it is externally provided with support plate in air bag bar, air bag bar is easy to happen deformation, and support plate is arranged, and is inserted in compliant section 11
It can be squeezed to avoid air bag when entering in exhaust pipe 1.The left end of compliant section 11 is equipped with guide pad, and setting guide pad can make curved
Pole is easy when being inserted into exhaust pipe 1 to just.Storage chamber is equipped in compliant section 11, the left end of compliant section 11 is equipped with and storing
The discharge port of chamber connection, discharge port is interior to be equipped with the discharging check valve being discharged to the outside for the material in storage chamber.Two bent rods
Storage chamber in be placed with hydrochloric acid solution and sodium carbonate liquor respectively.
When specific works, as shown in Fig. 2, exhaust pipe 1 to be bent is placed in placing groove 9, while to close to work
Bent rod is slided in platform direction, after compliant section 11 is inserted into exhaust pipe 1, continues to slide bent rod so that 10 row of being also inserted into of rigid section
In tracheae 1.The bent rod of both sides moves toward one another, and existing gas is squeezed in exhaust pipe 1, and air pressure has a degree of increasing
Greatly, compliant section 11 is squeezed, the material in storage chamber is extruded from discharge port and is discharged.Hydrochloric acid and sodium carbonate occur in exhaust pipe 1
Chemical reaction generates great amount of carbon dioxide, is in high pressure conditions in exhaust pipe 1.
Meanwhile starting motor, motor drives first gear 3 to rotate forward, and first gear 3 drives the second gear 4 being engaged with
Reversion, first gear 3 drive the first rack 2 being engaged with to move downward, and second gear 4 drives the second rack being engaged with
5 move downward, and the first rack 2 and the second rack 5 move downward simultaneously, and staking punch moves downward therewith, is pressed downward exhaust pipe 1
Both ends, as shown in figure 3, bent rod slides into the end of horizontal segment at this time, as staking punch is pressed downward exhaust pipe 1, compliant section 11
It is bent downward with exhaust pipe 1 in exhaust pipe 1, rigid section 10 is moved downward against exhaust pipe 1, and rigid section 10 slides into segmental arc
Interior, segmental arc resists the end of bent rod, and the air pressure in exhaust pipe 1 is avoided to push out bent rod out of exhaust pipe 1.Work as bending
When bar is slid at through-hole 7, the air pressure in exhaust pipe 1 pushes bent rod and leaves exhaust pipe 1, the gas discharge in exhaust pipe 1, complete
At bending.Due to being in high pressure conditions, the upper side wall of upward exhaust pipe 1 so that the upside of exhaust pipe 1 at 1 center of exhaust pipe
Wall can also be bent therewith, be avoided deflated at 1 center of exhaust pipe.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented
Effect and patent practicability.
Claims (5)
1. being vented pipe processing device, including rack, it is characterised in that：Rack is equipped with workbench, and worktable upper surface is equipped with and puts
Slot is set, the bottom of placing groove is arc；It is arranged with bending part positioned at placing groove both sides in rack, bending part includes being located at rack
On sliding slot, sliding slot includes horizontal segment and segmental arc, and segmental arc is located at the one end of sliding slot close to workbench, and segmental arc is equipped with logical
Hole；Bent rod is slidably connected in sliding slot, bent rod includes compliant section and rigid section, and compliant section is located at bent rod close to workbench
One end, compliant section is equipped with storage chamber close to the end of workbench, and it is molten to be placed with hydrochloric acid respectively in the storage chamber of two compliant sections
Liquid and sodium carbonate liquor are additionally provided with the discharge port being connected to storage chamber on compliant section, discharging check valve are equipped in discharge port；Rack
It is upper be located above workbench be equipped with pressing unit, pressing unit include the first gear being rotatably connected in rack and with the first tooth
The second gear of engagement is taken turns, pressing unit further includes the first rack and the second rack being slidably connected in rack, the first rack
It is engaged with first gear, the second rack and second gear engagement, the lower end of the first rack and the second rack is equipped with staking punch, machine
The motor for driving first gear to rotate is additionally provided on frame.
2. exhaust pipe processing device according to claim 1, it is characterised in that：It is slidably connected on first rack convex
Block, convex block both sides are equipped with reed, and underbump is located in rack and is equipped with the limit switch for changing steering for controlling motor.
3. exhaust pipe processing device according to claim 1, it is characterised in that：The bending part further includes curved for transmitting
The conveyer belt of pole, conveyer belt are arranged in the one end of rack upper hopper chute far from workbench.
4. exhaust pipe processing device according to claim 1, it is characterised in that：The compliant section is close to one end of workbench
Equipped with guide pad.
5. exhaust pipe processing device according to claim 1, it is characterised in that：The placement trench bottom is equipped with electrical heating
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810291759.8A CN108405683B (en) | 2018-03-30 | 2018-03-30 | It is vented pipe processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810291759.8A CN108405683B (en) | 2018-03-30 | 2018-03-30 | It is vented pipe processing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108405683A true CN108405683A (en) | 2018-08-17 |
| CN108405683B CN108405683B (en) | 2019-07-23 |
Family
ID=63134519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810291759.8A Active CN108405683B (en) | 2018-03-30 | 2018-03-30 | It is vented pipe processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108405683B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176032A (en) * | 2018-10-16 | 2019-01-11 | 张文炳 | A kind of automatic machining device of knife switch cutter holder |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB816625A (en) * | 1956-07-03 | 1959-07-15 | Andre Huet | Improvements in or relating to apparatus for bending tubes |
| US3841138A (en) * | 1972-10-25 | 1974-10-15 | Reynolds Metals Co | Apparatus and method for forming an elongated tubular member |
| SU1368066A1 (en) * | 1986-08-20 | 1988-01-23 | Центр Методологии Изобретательства | Mandrel for bending pipes |
| CN2467219Y (en) * | 2000-12-15 | 2001-12-26 | 沈小蛇 | Antiflat and anti shrunken device for steel pipe bending processing |
| CN101947582A (en) * | 2010-08-27 | 2011-01-19 | 哈尔滨工业大学 | Pipe bending method using pressurized soft core mould |
| CN102172682A (en) * | 2011-01-12 | 2011-09-07 | 哈尔滨工业大学 | Device and method for bending pipe with sealed end by using tension rope or plug |
| KR20110138705A (en) * | 2010-06-21 | 2011-12-28 | 이진구 | Pipe banding apparatus and same product |
| CN104550356A (en) * | 2013-10-24 | 2015-04-29 | 宁波培源电器制造有限公司 | Automobile exhaust pipe bending device |
| CN104889210A (en) * | 2015-05-03 | 2015-09-09 | 青岛吉泰汽车模具有限公司 | Exhaust pipe bending device |
| CN106964720A (en) * | 2017-05-17 | 2017-07-21 | 芜湖同创模具机械有限公司 | A kind of blast pipe press-working apparatus |
-
2018
- 2018-03-30 CN CN201810291759.8A patent/CN108405683B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB816625A (en) * | 1956-07-03 | 1959-07-15 | Andre Huet | Improvements in or relating to apparatus for bending tubes |
| US3841138A (en) * | 1972-10-25 | 1974-10-15 | Reynolds Metals Co | Apparatus and method for forming an elongated tubular member |
| SU1368066A1 (en) * | 1986-08-20 | 1988-01-23 | Центр Методологии Изобретательства | Mandrel for bending pipes |
| CN2467219Y (en) * | 2000-12-15 | 2001-12-26 | 沈小蛇 | Antiflat and anti shrunken device for steel pipe bending processing |
| KR20110138705A (en) * | 2010-06-21 | 2011-12-28 | 이진구 | Pipe banding apparatus and same product |
| CN101947582A (en) * | 2010-08-27 | 2011-01-19 | 哈尔滨工业大学 | Pipe bending method using pressurized soft core mould |
| CN102172682A (en) * | 2011-01-12 | 2011-09-07 | 哈尔滨工业大学 | Device and method for bending pipe with sealed end by using tension rope or plug |
| CN104550356A (en) * | 2013-10-24 | 2015-04-29 | 宁波培源电器制造有限公司 | Automobile exhaust pipe bending device |
| CN104889210A (en) * | 2015-05-03 | 2015-09-09 | 青岛吉泰汽车模具有限公司 | Exhaust pipe bending device |
| CN106964720A (en) * | 2017-05-17 | 2017-07-21 | 芜湖同创模具机械有限公司 | A kind of blast pipe press-working apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176032A (en) * | 2018-10-16 | 2019-01-11 | 张文炳 | A kind of automatic machining device of knife switch cutter holder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108405683B (en) | 2019-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108405683B (en) | It is vented pipe processing device | |
| US9020A (en) | Improved machine for peaking sheet-metal tubes | |
| CN107052111A (en) | A kind of automobile urea box metal tube bending mould | |
| CN207947705U (en) | A kind of new energy electrical-coil moulding punching machine structure | |
| CN112474966A (en) | Stamping jig for stamping ceiling fan accessories | |
| CN108406256A (en) | Motor shaft flat key automatic installation apparatus and its processing technology | |
| CN108483875A (en) | Special-shaped glass process equipment | |
| CN110355290A (en) | A kind of horizontal type tube expanding machine | |
| CN208466921U (en) | A kind of hydraulic bending press of multistation simultaneous processing | |
| CN213982467U (en) | Oil recovery gathering pipeline heating device | |
| CN210549333U (en) | Plug feeding device for seam beautifying pipe | |
| CN208732905U (en) | Automobile parts glass rapid prototyping system | |
| CN108620626A (en) | Auto parts and components perforating device | |
| CN208976705U (en) | Automatically around coiling machine | |
| CN209521318U (en) | A kind of material receiving mechanism of press machine | |
| CN110153312A (en) | Can automatically buckles the tank bottom feed device of bottom coil winder | |
| CN112474937A (en) | 303 stainless steel round bar equipment of bending | |
| CN109226577A (en) | A kind of glass tube pin pin bending device | |
| CN208142057U (en) | A kind of full-automatic bimetal leaf molding machine | |
| CN110014557A (en) | Mold ejection mechanism | |
| CN111099055A (en) | Packing apparatus is used in steel pipe production | |
| CN115338655B (en) | Processing equipment and processing method for movable door of vertical air conditioner | |
| CN115096491B (en) | Automatic change mechanical testing device for hot-pressing equipment | |
| CN215464321U (en) | Production dioctyl terephthalate temperature control type reation kettle | |
| CN213079772U (en) | Combined mechanism for forming negative angle on stamping die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |