CN111015168B - Internal expanding type pipe clamping mechanism of hose assembling machine and inner pipe inserting device - Google Patents
Internal expanding type pipe clamping mechanism of hose assembling machine and inner pipe inserting device Download PDFInfo
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- CN111015168B CN111015168B CN201811165601.2A CN201811165601A CN111015168B CN 111015168 B CN111015168 B CN 111015168B CN 201811165601 A CN201811165601 A CN 201811165601A CN 111015168 B CN111015168 B CN 111015168B
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- pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/022—Extracting or inserting relatively long parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/022—Extracting or inserting relatively long parts
- B23P19/024—Extracting or inserting relatively long parts tube bundles
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- 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
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
Abstract
The invention relates to an internal expanding type pipe clamping mechanism and an internal pipe inserting device of a hose assembling machine, which are characterized by comprising a pipe cavity guide conical rod, an internal pipe clamping claw sheet, an opening and closing guide pipe and a connecting guide rod; the shaft lever at the tail part of the lumen guide taper rod is fixedly connected with the front end of the connecting guide rod; the inner tube clamping claw pieces are arranged at the front end of the connecting guide rod and radially distributed on the excircle of the rear shaft lever of the tube cavity guide conical rod in an array manner; the opening and closing catheter is movably connected to the shaft rod connected with the guide rod, and an inner cavity in the front of the opening and closing catheter is matched with the tail of the inner tube clamping claw sheet. The internal expanding type pipe clamping mechanism and the inner pipe inserting device of the hose assembling machine can effectively solve the production stability and the assembling efficiency of a full-intelligent automatic production line, and more production fields and manpower resources are saved.
Description
Technical Field
The invention relates to the field of intelligent assembly of valve fluids; relates to a full-intelligent automatic assembly production line, in particular to an internal expanding type pipe clamping mechanism and an inner pipe inserting device of a hose assembly machine.
Background
In valve fluid products, shower hoses of shower heads are widely used for connecting water heating pipelines of shower heads in various bathroom industries.
At present, in the bathroom industry, the inner tube assembly of gondola water faucet shower hose adopts the mode of manual interlude basically to accomplish, and production efficiency is extremely low, can't the demand of the whole intelligent production line of synchronous connection to the production progress of enterprise has been influenced seriously.
Disclosure of Invention
In order to solve the defects, the invention provides an internal expanding type pipe clamping mechanism and an internal pipe inserting device of a hose assembling machine, which have the advantages of solving the problem of an internal pipe assembling process for automatically inserting and pulling a shower hose on an intelligent production line, avoiding manual repeated work, effectively ensuring the product installation quality and the installation precision, realizing full-automatic assembly operation, high production efficiency, good assembly quality and the like.
The purpose of the invention is realized by the following technical scheme: an internal expanding type pipe clamping mechanism of a hose assembling machine is characterized by comprising a pipe cavity guide taper rod, an inner pipe clamping claw piece, an opening and closing guide pipe and front and rear connecting guide rods, wherein the pipe cavity guide taper rod passes in and out of a pipe cavity of an inner pipe and a pipe cavity of an outer pipe.
In the internal expanding type pipe clamping mechanism of the hose assembling machine, the shaft lever at the tail part of the pipe cavity guide rod is fixedly connected with the front end of the connecting guide rod.
In the internal expanding type pipe clamping mechanism of the hose assembling machine, the inner pipe clamping claws are radially distributed in an array on the excircle of the shaft lever at the rear part of the pipe cavity guide conical rod at the front end of the connecting guide rod.
In the internal expanding type pipe clamping mechanism of the hose assembling machine, the opening and closing guide pipe is movably connected to the shaft rod connected with the guide rod, and an inner cavity in the front of the opening and closing guide pipe is matched with the tail of the inner pipe clamping claw sheet. .
In the internal expanding type pipe clamping mechanism of the hose assembling machine, the front end of the pipe cavity guide rod is provided with a glans-shaped structure, and the inner side of the glans is provided with an expansion cone surface;
in the internal expanding type pipe clamping mechanism of the hose assembling machine, the inner pipe clamping claw sheet is formed by processing an elastic pipe and cutting the elastic pipe in a radial array manner, and a protruding step is arranged on the outer diameter of the rear end of the inner pipe clamping claw sheet and is matched with an inner diameter groove of an opening and closing conduit;
and the two ends of the outside of the assembly combination of the lumen guide taper rod, the inner tube clamping claw piece, the opening and closing catheter and the connecting guide rod are provided with non-blocking slopes.
The working principle of the internal expanding type pipe clamping mechanism is as follows: when the opening and closing guide pipe movably connected to the connecting guide rod is stressed to slide forwards, the inner pipe clamping claw piece is pushed to slide forwards under the matching action of the groove in the opening and closing guide pipe and the protruding step at the rear end of the inner pipe clamping claw piece, and the front part of the inner pipe clamping claw piece is radially outwards stretched under the action of the expansion cone surface arranged at the front end of the guide cone rod; when the clamping task is finished, the movably-connected opening and closing guide pipe on the connecting guide rod retreats under stress, the inner pipe clamping claw sheet slides backwards along with the inner pipe clamping claw sheet, and the conical surface is closed and returned to the initial state along with the expansion of the guide conical rod under the action of the elastic material of the inner pipe clamping claw sheet.
The inner pipe inserting device formed by the internal expanding type pipe clamping mechanism is characterized by comprising a working machine table, an outer pipe clamp, an outer pipe, an inner pipe, the internal expanding type pipe clamping mechanism, a retarding sliding block, a claw closing mechanism, an elastic steel cable and a steel cable driver.
In the inner pipe inserting device composed of the internal expanding pipe clamping mechanism, at least one pair of outer pipe clamps are fixedly connected to the working machine table.
In the inner pipe inserting device composed of the internal expanding pipe clamping mechanism, two ends of the outer pipe are respectively clamped on each pair of outer pipe clamps.
In the inner pipe inserting device composed of the internal expanding type pipe clamping mechanism, a pipe cavity at one end opening of the outer pipe is respectively opposite to and provided with one end opening of the inner pipe to be inserted, and a blocking slide block is arranged between the end opening of the outer pipe and the end opening of the inner pipe to be inserted and is close to the end opening of the inner pipe.
In the inner tube inserting device composed of the inner expanding type tube clamping mechanism, the axis of the other port of the outer tube is respectively provided with the inner expanding type tube clamping mechanism, the front end of the inner expanding type tube clamping mechanism is just opposite to the tube cavity of each outer tube port, the tail end of a connecting guide rod of the inner expanding type tube clamping mechanism is connected with the front end of an elastic steel cable, the rear part of the elastic steel cable is matched with a steel cable driver, and the axis between the outer tube port and the steel cable driver is respectively provided with an axially movable claw closing mechanism.
The working principle of the inner pipe inserting device consisting of the internal expanding type pipe clamping mechanism is as follows: putting the assembly workpiece into a station to be assembled through each feeding system, starting a steel cable driver to push a command, receiving the command by the steel cable driver to drive each elastic steel cable to advance, pushing a connecting guide rod connected with the steel cable driver and the whole internal expanding type pipe clamping mechanism to advance, penetrating through each claw combining mechanism into each outer pipe cavity, continuing to push until a guide taper rod at the front end of each internal expanding type pipe clamping mechanism and an inner pipe clamping claw piece enter each inner pipe port cavity through a blocking slide block, and finishing pushing; the steel cable driver starts a pull-back instruction, pulls the connecting guide rod in each internal-tension type pipe clamping mechanism to pull back to drive the guide conical rod to retreat, the outer diameter of the opening and closing pipe in each internal-tension type pipe clamping mechanism slides forwards under the retardation action of the retardation sliding block to push the inner pipe clamping claw piece to slide forwards, the inner pipe clamping claw piece radially expands outwards under the action of the expansion conical surface to tightly clamp the inner cavity of each inner pipe port, each internal-tension type pipe clamping mechanism always clamps the inner pipe and penetrates into the pipe cavity of each outer pipe and reaches a preset position along with the continuous pull-back force of the elastic steel cable, the inner pipe penetration is completed, the steel cable driver starts a pause instruction, each clamping claw mechanism starts a clamping instruction, pulls the opening and closing pipe in each internal-tension type pipe clamping mechanism to slide backwards, the inner pipe clamping claw piece is stressed and closed to an initial state along with the expansion conical surface of the guide conical rod, and the steel cable driver restarts a return instruction, and the clamping jaw mechanisms are withdrawn from the inner pipe port along with the internal expansion pipe clamping mechanisms and are restored to the initial state of the inner pipe inserting device.
Compared with the existing assembly process, the internal expanding type pipe clamping mechanism and the inner pipe inserting device of the hose assembly machine complete the whole process of accurately guiding and inserting and clamping the inner wall of the inner pipe port into the outer pipe cavity at one time until the inner pipe inserting task is completed, and the whole assembly process is continuously completed on the premise of not damaging the product quality; the production stability and the assembly efficiency of the whole intelligent automatic assembly line are greatly improved. More saves production field and human resources.
Drawings
Fig. 1 is a schematic view of an initial state of an inner pipe inserting device composed of an internal expanding type pipe clamping mechanism.
FIG. 2 is a schematic view of the state of the front end of each of the internal expanding pipe clamping mechanisms inserted into the port of the inner pipe facing the lumen of the outer pipe, pushed by the cable driver.
FIG. 3 is a schematic view of the cable driver being pulled back and the inner tube grasped by the inner tube gripping mechanisms through the lumen of the outer tube to a predetermined position.
Fig. 4 shows that the closing claw mechanisms clamp the opened and closed guide pipes of the internal expanding pipe clamping mechanisms, slide back, and withdraw the inner pipe along with the pull back of the steel cable driver to restore to the initial state of the inner pipe inserting device.
FIG. 5 is a schematic sectional view of the inner tube clamped by pushing the catheter forward.
Fig. 6a is a schematic view of the inner tube clamping jaw in half section.
Fig. 6b is a schematic top view of the inner tube gripping tab.
Fig. 7 is a schematic view in half section of the open-close catheter.
FIG. 8 is a schematic view of a semi-sectional view of the lumen guide rod with the tail of the shaft fixedly connected to the front end of the connecting guide rod and the tail end of the connecting guide rod connected to the front end of the elastic steel cable.
Fig. 9 is an initial sectional view of the internal expanding type pipe clamping mechanism.
In the figure, 1, a working machine; 2. an outer tube clamp; 3. an outer tube; 4. an inner tube; 5. an internal expanding pipe clamping mechanism; 6. a retarding slide block; 7. a claw closing mechanism; 8. an elastic steel cord; 9. a wire rope drive; 51. a lumen guide taper rod; 52. the inner tube clamps the claw sheet; 53. opening and closing the catheter; 54. connecting the guide rod; 511. expanding the cone surface; 521. a projecting step; 531. and (4) a groove.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 5-9, the internal expanding type tube clamping mechanism of the hose assembling machine comprises a lumen guide taper rod 51, an internal tube clamping claw 52, an opening and closing conduit 53 and a connecting guide rod 54;
as shown in fig. 5, 8 and 9, the shaft at the tail of the lumen guiding taper rod 51 is fixedly connected with the front end of the connecting guide rod 54;
as shown in fig. 5-9, the inner tube clamping claws 52 are arranged at the front end of the connecting guide rod 54 and distributed on the outer circle of the rear shaft rod of the lumen guide conical rod 51 in a radial array;
as shown in fig. 5-9, the opening and closing tube 53 is movably connected to the shaft rod of the connecting guide rod 54, and the front inner cavity of the opening and closing tube 53 is matched with the tail part of the inner tube clamping claw sheet 52.
As shown in fig. 5, 8 and 9, the front end of the lumen guiding taper rod 51 is provided with a glans-shaped structure, and the inner side of the glans is provided with an expanding taper surface 511.
As shown in fig. 5-9, the inner tube clamping jaw 52 is made of elastic tube material and is cut in radial array, and a protruding step 521 is provided on the outer diameter of the rear end of the inner tube clamping jaw 52 to fit with a groove 531 provided on the inner diameter of the opening and closing conduit 53.
As shown in fig. 5 and 9, the two ends of the outside of the assembly combination of the lumen guide taper rod 51, the inner tube clamping claw piece 52, the opening and closing conduit 53 and the connecting guide rod 54 are provided with non-blocking slopes; when the opening and closing guide pipe 53 movably connected with the guide rod 54 is stressed to slide forwards, the inner pipe clamping claw piece 52 is pushed to slide forwards under the matching action of the groove 531 in the opening and closing guide pipe 53 and the convex step 521 at the rear end of the inner pipe clamping claw piece 52, and the front part of the inner pipe clamping claw piece 52 is radially outwards expanded under the action of the expansion cone surface 511 arranged at the front end of the guide cone rod 51; when the clamping task is finished, the opening and closing guide pipe 53 movably connected to the connecting guide rod 54 is stressed to retreat, the inner pipe clamping claw piece 52 slides backwards, and the conical surface 511 is closed and restored to the initial state along with the expansion of the guide conical rod 51 under the action of the elastic material of the inner pipe clamping claw piece 52.
As shown in fig. 1-5, the inner tube inserting device composed of the inner expanding type tube clamping mechanism includes a working machine table 1, an outer tube clamp 2, an outer tube 3, an inner tube 4, an inner expanding type tube clamping mechanism 5, a blocking slider 6, a claw closing mechanism 7, an elastic steel cable 8 and a steel cable driver 9.
As shown in fig. 1-5, at least one pair of outer pipe clamps 2 is fixed on the working machine 1; two ends of the outer pipe 3 are respectively clamped on each pair of outer pipe clamps 2; a port tube cavity at one end of the outer tube 3 is respectively opposite to one port of the inner tube 4 to be inserted, a blocking slide block 6 is arranged between the port of the outer tube 3 and the port of the inner tube 4 to be inserted, and the blocking slide block 6 is close to the port of the inner tube;
as shown in fig. 1-5 and 8-9, an inner expanding type pipe clamping mechanism 5 is respectively arranged on the axial line of the other port of the outer pipe 3, the front end of the inner expanding type pipe clamping mechanism 5 is opposite to the pipe cavity of each port of the outer pipe 3, the tail end of a connecting guide rod 54 of the inner expanding type pipe clamping mechanism 5 is connected with the front end of an elastic steel cable 8, the rear part of the elastic steel cable 8 is matched with a steel cable driver 9, and an axially movable claw closing mechanism 7 is respectively arranged on the axial line between the port of the outer pipe 3 and the steel cable driver 9.
As shown in fig. 1-9, the inner tube inserting device composed of the internal expanding type tube clamping mechanism feeds the outer tube 3 into the outer tube clamp 2 through each feeding system, the inner tube 4 is fed into the station to be assembled, the pushing instruction of the steel cable driver 9 is started, the steel cable driver 9 receives the instruction to drive each elastic steel cable 8 to advance, and pushes the connecting guide rod 54 connected with the steel cable and the whole internal expanding type tube clamping mechanism 5 to advance, the internal expanding type tube clamping mechanism 5 penetrates into the tube cavity of each outer tube 3 through each claw closing mechanism 7 without the guidance of the retardation gradient, and continues to advance until the guiding taper rod 51 and the inner tube clamping claw piece 52 at the front end of each internal expanding type tube clamping mechanism 5 enter the cavity of the port of each inner tube 4 through the retardation sliding block 6, and the advance is completed; the steel cable driver 9 starts a pull-back instruction, pulls the connecting guide rod 54 in each internal-tension type pipe clamping mechanism 5 to pull back, drives the guide conical rod 51 to retreat, the excircle of the opening and closing guide pipe 53 in each internal-tension type pipe clamping mechanism 5 slides forwards under the retardation action of the retardation sliding block 6, pushes the inner pipe clamping claw piece 52 to slide forwards, under the action of the expansion conical surface 511, the inner pipe clamping claw piece 52 expands outwards in the radial direction, tightly clamps the inner cavity of the port of each inner pipe 4, along with the continuous pull-back force of the elastic steel cable 9, each internal-tension type pipe clamping mechanism 5 always clamps the inner pipe 4 and penetrates into the pipe cavity of each outer pipe 3 and reaches a preset position, the inner pipe 4 finishes penetrating, the steel cable driver 9 starts a pause instruction, each clamping claw mechanism 7 on the axial lead starts a clamping instruction, pulls the excircle of the opening and closing guide pipe 53 in each internal-tension type pipe clamping mechanism 5 to slide backwards, the inner pipe clamping claw piece 52 is stressed to retreat and closes to an initial state along with the expansion conical, and (3) restarting the steel cable driver 9 by a retreating reset command, and enabling the clamping of each clamping claw mechanism 7 to exit from the port of the inner pipe 4 along with each internal expanding pipe clamping mechanism 5 and restore to the initial state of the inner pipe inserting device.
Compared with the existing assembly process, the internal expanding type pipe clamping mechanism and the inner pipe inserting device of the hose assembly machine can effectively solve the problems of a full-intelligent automatic production line, can finish various complicated assembly process flows from initial assembly to finished products at one time, can realize the whole process of inserting and clamping the inner pipe 4 port into the cavity of the outer pipe 3 from accurate guiding until the inner pipe inserting task is finished, and can realize the connection of the whole assembly process continuously on the premise of not damaging the product quality; the production stability and the assembly efficiency of the whole intelligent automatic assembly line are greatly improved. More saves production field and human resources.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (3)
1. An inner pipe inserting device of a hose assembling machine is characterized by comprising a working machine table (1), an outer pipe clamp (2), an outer pipe (3), an inner pipe (4), an internal expanding pipe clamping mechanism (5), a retarding sliding block (6), a claw closing mechanism (7), an elastic steel cable (8) and a steel cable driver (9); at least more than one pair of outer pipe clamps (2) are fixedly connected to the working machine table (1); the two ends of the outer pipe (3) are respectively clamped on each pair of outer pipe clamps (2); a port tube cavity at one end of the outer tube (3) is respectively opposite to one port where the inner tube (4) to be inserted is arranged, a blocking slide block (6) is arranged between the port of the outer tube (3) and the port of the inner tube (4) to be inserted, and the blocking slide block (6) is close to the port of the inner tube; an inner-expanding type pipe clamping mechanism (5) is respectively arranged on the axis of the other port of the outer pipe (3), the front end of the inner-expanding type pipe clamping mechanism (5) is over against the pipe cavity of the port of each outer pipe (3), the tail end of a connecting guide rod (54) of the inner-expanding type pipe clamping mechanism (5) is connected with the front end of an elastic steel cable (8), the rear part of the elastic steel cable (8) is matched with a steel cable driver (9), and an axially movable claw closing mechanism (7) is respectively arranged on the axis between the port of the outer pipe (3) and the steel cable driver (9); the internal expanding type pipe clamping mechanism comprises a pipe cavity guide taper rod (51), an inner pipe clamping claw sheet (52), an opening and closing guide pipe (53) and a connecting guide rod (54); the shaft lever at the tail part of the lumen guide taper rod (51) is fixedly connected with the front end of the connecting guide rod (54); the inner tube clamping claw sheets (52) are arranged at the front end of the connecting guide rod (54) and radially distributed in an array on the excircle of the rear shaft lever of the tube cavity guide conical rod (51); the opening and closing catheter (53) is movably connected to the shaft rod of the connecting guide rod (54), and the inner cavity at the front part of the opening and closing catheter (53) is matched with the tail part of the inner tube clamping claw sheet (52).
2. The inner tube inserting device of a hose assembling machine as claimed in claim 1, wherein said lumen guiding taper rod (51) has a glans-like structure at the front end, and an expanding taper surface (511) is provided at the inner side of the glans.
3. The inner tube inserting device of the hose assembling machine as claimed in claim 1, wherein the inner tube clamping claw pieces (52) are made of elastic tube material by processing and cutting in radial array, a protruding step (521) is arranged on the outer diameter of the rear end of each inner tube clamping claw piece (52) and is matched with a groove (531) arranged on the inner diameter of the opening and closing guide tube (53); and the two ends of the outside of the assembly combination of the lumen guide taper rod (51), the inner tube clamping claw sheet (52), the opening and closing guide pipe (53) and the connecting guide rod (54) are provided with no-retardation slopes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811165601.2A CN111015168B (en) | 2018-09-22 | 2018-09-22 | Internal expanding type pipe clamping mechanism of hose assembling machine and inner pipe inserting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811165601.2A CN111015168B (en) | 2018-09-22 | 2018-09-22 | Internal expanding type pipe clamping mechanism of hose assembling machine and inner pipe inserting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111015168A CN111015168A (en) | 2020-04-17 |
| CN111015168B true CN111015168B (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811165601.2A Active CN111015168B (en) | 2018-09-22 | 2018-09-22 | Internal expanding type pipe clamping mechanism of hose assembling machine and inner pipe inserting device |
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| CN (1) | CN111015168B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112265283A (en) * | 2020-10-07 | 2021-01-26 | 穆洪彪 | Plastic hose cup joints device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07251228A (en) * | 1994-03-11 | 1995-10-03 | Fujipura Seiko:Kk | Method and device for connecting projecting and recessing tube |
| JPH1058138A (en) * | 1996-08-21 | 1998-03-03 | Nippon Arumitsuto Kk | Soldering wire feed device |
| CN201632502U (en) * | 2009-12-25 | 2010-11-17 | 浙江汉成特殊钢管有限公司 | Recycling drawing head device of stainless steel seamless steel pipe |
| CN104625701A (en) * | 2015-02-15 | 2015-05-20 | 四川蓝星机械有限公司 | Tool for sleeving long tubes |
| CN204524716U (en) * | 2015-03-17 | 2015-08-05 | 长春弼吉尔汽车零部件有限公司 | A kind of shower leads directly to piece installing machine |
| CN105537936B (en) * | 2016-02-22 | 2018-02-13 | 宣城上润电气有限公司 | Showerhead flexible pipe pipe fitting automatic-assembling device |
| CN107756003B (en) * | 2016-08-23 | 2019-05-07 | 中国石油天然气股份有限公司 | A kind of pipe lining draw-off gear |
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2018
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| CN111015168A (en) | 2020-04-17 |
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