CN109367031A - PE hot melt adhesive electric heating melting set - Google Patents
PE hot melt adhesive electric heating melting set Download PDFInfo
- Publication number
- CN109367031A CN109367031A CN201811313314.1A CN201811313314A CN109367031A CN 109367031 A CN109367031 A CN 109367031A CN 201811313314 A CN201811313314 A CN 201811313314A CN 109367031 A CN109367031 A CN 109367031A
- Authority
- CN
- China
- Prior art keywords
- pinning
- gear
- joint body
- gear ring
- hot melt
- 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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/40—Applying molten plastics, e.g. hot melt
- B29C65/42—Applying molten plastics, e.g. hot melt between pre-assembled parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of PE hot melt adhesive electric heating melting sets, are related to piping facility technical field.Including joint body, heating wire is provided on the inner wall of joint body, it further include driving device, the both ends of the joint body are each provided with a reinforcing erection device, the structure of the reinforcing erection device includes gear ring, pinning and back-stop mechanism, the gear ring is mounted in the annular groove on the outside of joint body, the side of gear ring is provided with the gear teeth, the pinning at least there are three, each pinning is circumferentially uniformly inserted into the slot bottom of the annular groove, the upper end of pinning protrudes from the slot bottom of annular groove, the lower end of pinning is cone-shaped structure, the tip of cone-shaped structure and the inner wall of joint body are concordant, guiding surface is correspondingly arranged on the pinning on the inner wall of the gear ring.The present invention can not only be effectively improved pipeline bonding strength, and can improve construction quality and improve construction efficiency by setting pinning.
Description
Technical field:
The present invention relates to piping facility technical field, specifically a kind of PE hot melt adhesive electric heating melting set.
Background technique:
Electric melting pipe fittings are a kind of common PE conduit couplings, can be firmly attached two PE pipelines by electric melting pipe fittings
Together, the working principle of electric melting pipe fittings are as follows: heating wire is inlaid on the inner wall of electric melting pipe fittings, in use, by being exposed to electricity
Heating wire is connect and is powered with electro-fusion welding machine by two electrodes outside fusion tube part, passes through the heat effect of heating wire, electric smelting pipe
Hot melt adhesive on the inside of part is melted, and the end of PE pipeline is then bonded in, and realizes the purpose of pipeline connection.However, used at present
Electric melting pipe fittings have obvious shortcoming in use: 1, the intensity after existing electric melting pipe fittings connection is poor, inside receiving
When the high pressure of medium or for a long time receiving tensile stress, the junction of electric melting pipe fittings and PE pipeline is easy to happen race, drop, leakage now
As.2, include hot melt and cooling two main process, after the completion of reflow process, connected two root canal in capacitor welding process
Road needs to fix by special fixture, with prevent between electric melting pipe fittings and PE pipeline occur relative displacement (including axial displacement and
Radial displacement), fixation procedure has to last for cooling procedure completion, this has undoubtedly dragged down working efficiency.
Summary of the invention:
To solve the above-mentioned problems, the present invention provides a kind of PE hot melt adhesive electric heating melting set.
The technical scheme is that
A kind of PE hot melt adhesive electric heating melting set, including joint body are provided with heating wire on the inner wall of joint body, further include
Driving device, the both ends of the joint body are each provided with a reinforcing erection device, the knot of the reinforcing erection device
Structure includes gear ring, pinning and back-stop mechanism, and the gear ring is mounted in the annular groove on the outside of joint body, and the side of gear ring is set
Be equipped with the gear teeth, the pinning at least there are three, each pinning is circumferentially uniformly inserted into the slot bottom of the annular groove, pinning
Upper end protrudes from the slot bottom of annular groove, and the lower end of pinning is cone-shaped structure, the tip of cone-shaped structure and joint body it is interior
Wall is concordant, is correspondingly arranged on guiding surface on the inner wall of the gear ring with the pinning, after gear ring rotation, pinning is being oriented to
The pressure effect on inclined-plane is pushed down into joint body, and the structure of the back-stop mechanism includes two struts and a cam, and two
One end of a strut is hinged on joint body, and the middle part of two struts keeps the fortune close to cam under the action of the spring
Dynamic trend, the cam are hinged on joint body, and position is located between two struts；
The structure of the driving device includes shell, handle, driving gear, tumbler gear, two transmission gears and two
A output gear, all gears in addition to output gear are arranged in shell, and the driving gear is fixedly mounted on handle
On, the tumbler gear is arranged separately on a rooted tooth wheel shaft, and two gear shafts are separately set in shell, are distinguished on each gear shaft
It is provided with a transmission gear and an output gear, it is defeated when output gear being placed between the gear ring and back-stop mechanism
Gear and the gear teeth of the gear ring side match out, meanwhile, when two struts are against on cam, two struts
Free end is against the side of two teeth of output gear just, to prevent output gear edge from rotating clockwise or counterclockwise.
The upper end of the pinning is ball head structure.The two sides of the gear ring are provided with one group of gear teeth, each group of gear teeth pair
One group of back-stop mechanism should be provided with.The axis of the pinning along joint body radial direction.The axis of the pinning
It is vertical with the guiding surface.Wing plate is provided on the conical surface of cone-shaped structure on the pinning.The gear ring is band
There is the cyclic structure of notch, incision is locked by hasp lock.The pinning is made of steel, the gear ring be steel plate and
The outer layer of gear ring is arranged in composite construction made of nylon material, steel plate, and the internal layer of gear ring is arranged in nylon material, and described leads
To oblique surface machining on the nylon material.Be provided on the shell with the matched arc surface in the outside of joint body,
After the output gear is placed between gear ring and back-stop mechanism, the arc surface is fastened on the outer wall of joint body just
On.The cone height of conical structure on the pinning is equal to the thickness of the hot melt layer on joint body inner wall.
The invention has the following beneficial effects:
1, pinning can be pressed into joint body, this knot by the present invention by being provided with pinning structure by rotation gear ring
Configuration formula solves the problems, such as two: on the one hand, after the completion of construction, the upper end of pinning is inserted on joint body, the lower end of pinning
It is inserted on connected PE pipeline, by this connection type, the connection that can be effectively improved between electric melting pipe fittings and PE pipeline
Intensity, to improve the bearing capacity of pipeline junction and resist the ability of stress variation；On the other hand, all pinnings are in tooth
It is synchronized under the action of circle to the movement of PE pipeline, and supporting role is generated to PE pipeline, so that PE pipeline be made to tend to joint body
With one heart, it avoiding and radial displacement occurs between PE pipeline and joint body, this measure not only can effectively ensure that pipeline quality of connection,
Special fixture can be made to remove earlier, to improve construction efficiency.
2, the present invention carrys out driven gear ring rotation provided with dedicated driving device, and rapid operation effectively reduces worker's
Labor intensity, and improve the convenience of operation.
3, dedicated back-stop mechanism can effectively prevent gear ring displacement, to avoid generating pinning when cooling procedure is not finished
The problem of locking loosely.
Detailed description of the invention:
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the bottom view of Fig. 1；
Fig. 3 is the partial enlarged view in Fig. 1 at back-stop mechanism；
Fig. 4 is the gear drive schematic diagram of driving device；
Fig. 5 is a kind of arrangement schematic diagram of pinning in embodiment；
Fig. 6 is the arrangement schematic diagram of pinning in another embodiment.
1- joint body in figure, 2- gear ring, 3- back-stop mechanism, 4- steel plate, 5- nylon material, 6- pinning, 7- wing plate, 8- are led
To inclined-plane, 9- strut, 10- spring, 11- cam, 12- handle, 13- driving gear, 14- tumbler gear, 15- transmission gear, 16-
Output gear, 17- shell, 18- hasp lock.
Specific embodiment:
The present invention will be further explained below with reference to the attached drawings:
Embodiment one:
The present embodiment includes joint body 1, is provided with heating wire on the inner wall of joint body 1.The above are in the prior art
Common structure, details are not described herein.
Main innovation point of the invention is:
The both ends of the joint body 1 are each provided with a reinforcing erection device, can be connected to pipeline by bracing means
The place of connecing is reinforced, and to improve bonding strength, while the PE pipeline of 1 inside of butt joint ontology carries out centering righting, improves pipeline
With joint body 1 to neutrality, so as to improve pipeline quality of connection.
The structure of the reinforcing erection device includes gear ring 2, pinning 6 and back-stop mechanism 3, and the gear ring 2 is mounted on
In the annular groove in 1 outside of joint body, gear ring 2 can be rotated by track of annular groove.The pinning 6 at least there are three, respectively
Pinning 6 is circumferentially uniformly inserted into the slot bottom of the annular groove, and the upper end of pinning 6 protrudes from the slot bottom of annular groove, pinning 6
Lower end is conical structure, and the tip of conical structure is concordant with the inner wall of joint body 1, on the inner wall of the gear ring 2 with it is described
Pinning 6 be correspondingly arranged on guiding surface 8, the hot melt adhesive of 1 inside of joint body is heated melt after, joint body 1 is to pinning 6
Axial binding force weakens, and rotates gear ring 2 at this time, and pinning 6 is pushed down into joint body 1 in the pressure effect of guiding surface 8, pinning
6 tip is stretched out from the inner wall of joint body 1 and is penetrated in PE pipeline, so that PE pipeline and joint body 1 are fixed together.
After hot melt adhesive cooled and solidified, on the permanently horizontal contact surface for being inserted in joint body 1 and PE pipeline of pinning, to generate improvement pipe
The effect of road bonding strength.
The present invention be provided with dedicated back-stop mechanism 3,2 displacement of gear ring can be effectively prevent, thus avoid cooling procedure not
At the end of lead to the problem of pinning 6 locking loosely.The structure of the back-stop mechanism 3 includes two struts 9 and a cam 11,
One end of two struts 9 is hinged on joint body 1, and the middle part of two struts 9 is kept under the action of spring 10 to cam
11 close movement tendencies, the cam 11 are hinged on joint body 1, and position is located between two struts 9.
The present invention is provided with dedicated driving device and carrys out the rotation of driven gear ring 2, and rapid operation effectively reduces the labor of worker
Fatigue resistance, and improve the convenience of operation.The structure of the driving device include shell 17, handle 12, driving gear 13,
14, two transmission gears 15 of tumbler gear and two output gears 16, all gears in addition to output gear 16 are arranged at shell
In body 17, the driving gear 13 is fixedly mounted on handle 12, and the tumbler gear 14 is arranged separately in a rooted tooth wheel
Two gear shafts are separately set on axis, in shell 17, and a transmission gear 15 and an output gear are respectively arranged on each gear shaft
Wheel 16.Using above-mentioned gear driven mechanism, two 16 synchronous backward of output gear rotations can be made by swinging handle 12, thus
Allow two output gears 16 from the two sides of gear ring 2 while applying driving force, makes 2 smooth movements of gear ring, will not occur because of list
Side stress and stuck situation.
When output gear 16 being placed between the gear ring 2 and back-stop mechanism 3, output gear 16 and the gear ring 2
The gear teeth of side match, meanwhile, when two struts 9 are against on cam 11, the free end of two struts 9 is against just
The side of two teeth of output gear 16, to prevent output gear 16 along rotating clockwise or counterclockwise.When needing to gear ring 2
When being driven, a strut 9 is propped to prevent the strut 9 from causing to hinder to output gear 16 by rotation cam 11, one
After a strut 9 is propped, gear ring 2 can be rotated to corresponding direction.When rotation cam 11, usable bottle opener is stirred, and can also be set
Set specific purpose tool.
The upper end of the pinning 6 is ball head structure, to keep movement of the pinning 6 on guiding surface 8 more smooth.
The axis of the pinning 6 is along the radial direction of joint body 1, and when production, pinning 6 uses this arrangement mode
More easily process.
It is provided with wing plate 7 on the conical surface of cone-shaped structure on the pinning 6, pinning 6 and joint body 1 can be effectively increased
Or the contact area of PE pipeline, the bond strength of pinning 6 and joint body 1 or PE pipeline is effectively increased, to further improve
Bonding strength.For product itself of the invention, pinning 6 is incorporated on joint body 1 by the way of inlaying, such as
Described in figure, the structure of pinning 6 is broadly divided into two sections of cylinder segment and cone section, in 6 compression moving process of pinning, institute
The outer wall for the cylinder segment stated is slidably matched with joint body 1, it is ensured that pinning 6 will not because of tilting moment presence and turn over
, cone section guarantees that pinning 6 can successfully penetrate in PE pipeline.
The cone height of conical structure (i.e. cone section) on the pinning 6 is equal to the hot melt on 1 inner wall of joint body
The thickness of layer, this restriction is very necessary in the present invention.If cone height is greater than the thickness of hot melt layer, even when hot
Molten process is completed, and the resistance to sliding of pinning is still larger, so that the rotation of gear ring 2 is caused high effort for, meanwhile, on joint body 1
It is compressed with the thickness of cylinder segment cooperation, directly results in joint body 1 and the support dynamics of the cylinder segment of pinning 6 is weakened,
Pinning 6 is set to there is the hidden danger for overturning displacement.
The gear ring 2 is the cyclic structure with notch, this structure remove gear ring 2 can after the completion of construction, and
Recycling, has saved production cost, has avoided material waste.Incision by hasp lock 18 lock, it can be achieved that gear ring 2 it is fast
Speed dismounting.
The pinning 6 is made of steel, and the gear ring 2 is composite construction made of steel plate 4 and nylon material 5, steel
The outer layer of gear ring 2 is arranged in plate 4, and for guaranteeing structural strength (mainly tensile strength), gear ring 2 is arranged in nylon material 5
Internal layer can be further ensured that pinning 6 when relative motion occurs with pinning 6 since nylon material has self-lubricating property
Slide it is smooth, to make to operate more labor-saving.The guiding surface 8 is processed on the nylon material 5.
Be provided on the shell 17 with the matched arc surface in the outside of joint body 1, by the output gear 16
After being placed between gear ring 2 and back-stop mechanism 3, the arc surface is fastened on just on the outer wall of joint body 1.This structure can
Make driving device using when be not susceptible to be displaced, conducive to the progress of operation.
Embodiment two:
The difference between this embodiment and the first embodiment lies in: as an alternative solution, axis and described of the pinning 6 are led
It is vertical to inclined-plane 8.Compared with embodiment one, when using above-mentioned technical solution, the head of pinning 6 is only subjected only to guiding surface 8
The frictional force of application, and it is not subject to the tilting moment of the application of guiding surface 8, therefore, this arrangement of pinning 6 not only can be with
Keep the movement of pinning 6 more smooth, and pinning 6 can be effectively prevent to overturn.
The present invention is provided with 6 structure of pinning, pinning 6 can be pressed into joint body 1 by rotation gear ring 2, this structure
Form solves the problems, such as two: on the one hand, after the completion of construction, the upper end of pinning 6 is inserted on joint body 1, the lower end of pinning 6
It is inserted on connected PE pipeline, by this connection type, the connection that can be effectively improved between electric melting pipe fittings and PE pipeline
Intensity, to improve the bearing capacity of pipeline junction and resist the ability of stress variation；On the other hand, all pinnings 6 exist
It is synchronized under the action of gear ring 2 to the movement of PE pipeline, and supporting role is generated to PE pipeline, to make PE pipeline and joint body 1
Tend to one heart, avoid and radial displacement occurs between PE pipeline and joint body 1, this measure not only can effectively ensure that pipeline connects matter
Amount, can also be such that special fixture removes earlier, to improve construction efficiency.
Claims (5)
1. a kind of PE hot melt adhesive electric heating melting set, including joint body (1), it is provided with heating wire on the inner wall of joint body (1),
It is characterized in that: further including driving device, the both ends of the joint body (1) are each provided with a reinforcing erection device, described
The structure of reinforcing erection device include gear ring (2), pinning (6) and back-stop mechanism (3), the gear ring 2 is mounted on connector sheet
In annular groove on the outside of body (1), the side of gear ring (2) is provided with the gear teeth, the pinning (6) at least there are three, each pinning (6)
It is circumferentially uniformly inserted into the slot bottom of the annular groove, the upper end of pinning (6) protrudes from the slot bottom of annular groove, pinning (6)
Lower end is conical structure, and the tip of conical structure is concordant with the inner wall of joint body (1), on the inner wall of the gear ring (2) with
The pinning (6) is correspondingly arranged on guiding surface (8), and after gear ring (2) rotation, pinning (6) is made in the pressure of guiding surface (8)
With being pushed down into joint body (1), the structure of the back-stop mechanism (3) includes two struts (9) and a cam (11), and two
One end of a strut (9) is hinged on joint body (1), and the middle part of two struts (9) is kept under the action of spring (10)
The movement tendency close to cam (11), the cam (11) are hinged on joint body (1), and position is located at two struts
(9) between；
The structure of the driving device includes shell (17), handle (12), driving gear (13), tumbler gear (14), two
Transmission gear (15) and two output gears (16), all gears in addition to output gear (16) are arranged in shell (17),
The driving gear (13) is fixedly mounted on handle (12), and the tumbler gear (14) is arranged separately in a rooted tooth wheel shaft
On, two gear shafts are separately set in shell (17), and a transmission gear (15) and an output are respectively arranged on each gear shaft
Gear (16), when output gear (16) being placed between the gear ring (2) and back-stop mechanism (3), output gear (16) and institute
The gear teeth of gear ring (2) side stated match, meanwhile, when two struts (9) are against on cam (11), two struts
(9) free end is against the side of two teeth of output gear (16) just, thus prevent output gear (16) along clockwise or
It rotates counterclockwise；
The upper end of the pinning (6) is ball head structure；
The two sides of the gear ring (2) are provided with one group of gear teeth, and each group of gear teeth are correspondingly arranged on one group of back-stop mechanism (3)；
The axis of the pinning (6) along joint body (1) radial direction；
The gear ring (2) is the cyclic structure with notch, and incision is locked by hasp lock (18)；
The cone height of conical structure on the pinning (6) is equal to the thickness of the hot melt layer on joint body (1) inner wall.
2. a kind of PE hot melt adhesive electric heating melting set according to claim 1, it is characterised in that: as an alternative solution, described
The axis of pinning (6) is vertical with guiding surface (8).
3. a kind of PE hot melt adhesive electric heating melting set according to claim 1, it is characterised in that: the circular cone on the pinning (6)
Wing plate (7) are provided on the conical surface of shape structure.
4. a kind of PE hot melt adhesive electric heating melting set according to claim 1, it is characterised in that: the pinning (6) is by steel
It is made, the gear ring (2) is composite construction made of steel plate (4) and nylon material (5), and steel plate (4) is arranged in gear ring (2)
The internal layer in gear ring (2) is arranged in outer layer, nylon material (5), and the guiding surface (8) is processed in the nylon material (5)
On.
5. a kind of PE hot melt adhesive electric heating melting set according to claim 1, it is characterised in that: be arranged on the shell (17)
Have with the matched arc surface in outside of joint body (1), the output gear (16) is placed in gear ring (2) and back-stop mechanism
(3) after between, the arc surface is fastened on just on the outer wall of joint body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313314.1A CN109367031B (en) | 2018-11-06 | 2018-11-06 | PE hot melt adhesive electric heating melting set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313314.1A CN109367031B (en) | 2018-11-06 | 2018-11-06 | PE hot melt adhesive electric heating melting set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109367031A true CN109367031A (en) | 2019-02-22 |
| CN109367031B CN109367031B (en) | 2019-06-14 |
Family
ID=65397731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811313314.1A Active CN109367031B (en) | 2018-11-06 | 2018-11-06 | PE hot melt adhesive electric heating melting set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109367031B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101171449A (en) * | 2005-10-13 | 2008-04-30 | 空中客车德国有限公司 | Quick connector with bayonet locking |
| CN203823329U (en) * | 2014-04-30 | 2014-09-10 | 浙江伟星新型建材股份有限公司 | Transition joint for connecting PVC pipeline and HDPE pipeline |
| CN205101771U (en) * | 2015-11-11 | 2016-03-23 | 中国石油化工股份有限公司 | Be used for prosthetic attach fitting of FRP pipe on -line interlude |
| US9719622B2 (en) * | 2013-07-08 | 2017-08-01 | Georg Fischer Harvel Llc | Electrofusion fittings and methods |
| CN206623414U (en) * | 2017-04-01 | 2017-11-10 | 杭州炎龙建设有限公司 | A kind of butt fusion welding machine |
| JP2018069709A (en) * | 2016-11-04 | 2018-05-10 | 日本鋳鉄管株式会社 | Connection method of synthetic resin pipe body and mold apparatus for connection |
| CN108312550A (en) * | 2018-04-27 | 2018-07-24 | 陈奎宏 | A kind of hot melting connector that can quickly position and its water dissolution core Shooting Technique |
| WO2018167779A1 (en) * | 2017-03-13 | 2018-09-20 | Huliot Agricultural Cooperative Society Ltd | Induction weldable pipe connector having thermally insulated induction weldable socket mouth rims |
-
2018
- 2018-11-06 CN CN201811313314.1A patent/CN109367031B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101171449A (en) * | 2005-10-13 | 2008-04-30 | 空中客车德国有限公司 | Quick connector with bayonet locking |
| US9719622B2 (en) * | 2013-07-08 | 2017-08-01 | Georg Fischer Harvel Llc | Electrofusion fittings and methods |
| CN203823329U (en) * | 2014-04-30 | 2014-09-10 | 浙江伟星新型建材股份有限公司 | Transition joint for connecting PVC pipeline and HDPE pipeline |
| CN205101771U (en) * | 2015-11-11 | 2016-03-23 | 中国石油化工股份有限公司 | Be used for prosthetic attach fitting of FRP pipe on -line interlude |
| JP2018069709A (en) * | 2016-11-04 | 2018-05-10 | 日本鋳鉄管株式会社 | Connection method of synthetic resin pipe body and mold apparatus for connection |
| WO2018167779A1 (en) * | 2017-03-13 | 2018-09-20 | Huliot Agricultural Cooperative Society Ltd | Induction weldable pipe connector having thermally insulated induction weldable socket mouth rims |
| CN206623414U (en) * | 2017-04-01 | 2017-11-10 | 杭州炎龙建设有限公司 | A kind of butt fusion welding machine |
| CN108312550A (en) * | 2018-04-27 | 2018-07-24 | 陈奎宏 | A kind of hot melting connector that can quickly position and its water dissolution core Shooting Technique |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109367031B (en) | 2019-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204195097U (en) | Welding adhesive tape tears device | |
| CN104889561B (en) | Steel pipe connecting friction welding machine | |
| CN109367031B (en) | PE hot melt adhesive electric heating melting set | |
| CN202774313U (en) | Workstation entrance mechanism of clothing suspension system | |
| CN101837513A (en) | Friction stir spot welding (FSSW) method without key hole | |
| CN104943213B (en) | Tire building machine compression roller mechanism, joint compression fittings and tire building machine | |
| CN204954269U (en) | Pipe fitting group butt weld presss from both sides device outward | |
| CN105171226A (en) | Friction stir connecting device capable of reducing parting-line-flashes | |
| CN219562038U (en) | Welding device | |
| CN205926695U (en) | Fan -shaped sheet metal component interfacing apparatus that bends that flattens | |
| CN203726054U (en) | Bend welding jig | |
| CN102848123B (en) | Rotary pipe mechanism of full-automatic metal round-link chain automatic flashing butt welding machine | |
| CN205520275U (en) | Rotary platform for flange welding | |
| CN104527050B (en) | A welding machine adopting a manner of generating heat by mechanical oscillation friction | |
| CN204295210U (en) | A kind of roll shaft Semiautomatic welding device | |
| CN209157439U (en) | One kind disappears shell welding device | |
| CN206230132U (en) | A kind of pipe joint | |
| CN210281269U (en) | Steel pipe welding tool | |
| CN208772705U (en) | Oil sump oil rule conduit automatic welding machine | |
| CN207093231U (en) | A kind of device for rotating large-scale composite material cylinder | |
| CN207840563U (en) | A kind of semi-automatic welding turntable | |
| CN104999190B (en) | Fixed seam expanding device and welding equipment for thin-walled plate cylinder | |
| CN106862810B (en) | Welding pressure detection device of pipe welding machine | |
| CN218193339U (en) | Automatic welding machine for annular seam of lining pipe | |
| CN201353560Y (en) | Special equipment used for lining plastic process of deformed tank |
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 |