CN113732189A - Rolling device and rolling process for air guide sleeve and screen mesh - Google Patents
Rolling device and rolling process for air guide sleeve and screen mesh Download PDFInfo
- Publication number
- CN113732189A CN113732189A CN202110938692.4A CN202110938692A CN113732189A CN 113732189 A CN113732189 A CN 113732189A CN 202110938692 A CN202110938692 A CN 202110938692A CN 113732189 A CN113732189 A CN 113732189A
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- plate
- screen
- inclined guide
- pressing
- fixed
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Classifications
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- 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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
- B21D39/048—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods using presses for radially crimping tubular elements
-
- 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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
Abstract
The invention discloses a rolling device and a rolling process for a flow guide cover and a screen mesh, and the rolling device and the rolling process have the technical scheme that the rolling device comprises a rack, wherein the rack is provided with a transverse pressing component which is circumferentially arranged, and a pressing plate which moves along the radial direction slides in a transverse slideway; an inclined guide plate is fixed below the pressing plate, an inclined guide ring is fixed on a piston rod of the vertical cylinder, and the inclined surface of the inclined guide ring is attached to the inclined surface of the inclined guide plate; when the inclined guide ring rises, the inclined guide plate drives the pressing plate to move towards the circle center under the pushing of the inclined guide ring; a spring for pushing the pressing plate to move towards the position departing from the circle center is arranged between the transverse slide way and the pressing plate; the pressure rolling process comprises the steps of firstly, forming an annular groove on the edge of the air guide sleeve; then, the screen is sleeved on the flow guide cover, the clamping jaw air cylinder grabs the flow guide cover, then the vertical air cylinder is ejected upwards, the pressing plate moves towards the annular groove, and the edge of the screen is pressed into the annular groove; the pressing plates arranged on the circumference are adopted to perform rolling pressing type pressing on the screen sleeved outside the air guide sleeve, so that the air guide sleeve and the screen are fixed.
Description
Technical Field
The invention relates to production equipment and a production process of a gas generator, in particular to a winding and pressing device and a winding and pressing process of a flow guide cover and a screen.
Background
When the vehicle has serious collision, the safety air bag is inflated and expanded instantly. The sensor in the safety air bag system senses the collision strength of the automobile and transmits the received signal to the electric appliance control unit, the electric appliance control unit processes the signal and immediately sends an ignition signal to trigger the gas generator when judging that the air bag needs to be opened according to calculation.
The kuppe is installed to gas generator's export, and the kuppe is used for the gas circulation, and the cover is equipped with the screen cloth on the kuppe, and the screen cloth filters the blowout air current for the gas that gets into the gasbag is cleaner.
And because the net wall of screen cloth is thinner, traditional welding is easy with the screen cloth fusing, therefore the screen cloth adopts laser welding's mode most to fix screen cloth and kuppe, but laser welding equipment and rather than the total acquisition cost of complex controlgear higher, be unfavorable for the economic benefits of enterprise. Therefore, a device which can firmly press the screen and the air guide sleeve and has relatively low price is needed.
Disclosure of Invention
The invention aims to provide a rolling device for a flow guide cover and a screen, wherein the screen sleeved outside the flow guide cover is rolled and pressed by a pressing plate arranged on the circumference, so that the flow guide cover and the screen are firmly fixed.
The technical purpose of the invention is realized by the following technical scheme:
a kind of rolling device of the air guide sleeve and screen cloth, including the stander, the stander has several circumference to arrange into the annular horizontal pressing assembly, the horizontal pressing assembly includes the horizontal slideway, there is pressing plate moving back and forth along radial in the horizontal slideway; an inclined guide plate is fixed below the pressing plate, a vertical cylinder is installed on the rack, an inclined guide ring is fixed on a piston rod of the vertical cylinder, and the inclined surface of the inclined guide ring is attached to the inclined surface of the inclined guide plate; when the inclined guide ring rises, the inclined guide plate drives the pressing plate to move towards the circle center under the pushing of the inclined guide ring; a spring for pushing the pressing plate to move towards the position deviating from the circle center is arranged between the transverse slide way and the pressing plate.
Through adopting above-mentioned technical scheme, adopt vertical cylinder to push up oblique guide ring in this design, then push away the relation through the side on inclined plane between oblique guide ring and the clamp plate for the clamp plate is moved towards central point, and central point puts the centre of a circle that the horizontal pressing components enclosed into the circle promptly.
And when the vertical cylinder pushes down, the inclined guide ring loses the motion trend of side pushing to the pressing plate, the deformed spring pushes the pressing plate to move away from the central position, and the screen and the air guide sleeve which are pressed can be taken out.
The equipment has the advantages that the air cylinder and the transverse pressing component machined by the plate metal are adopted to realize the pressing effect, the purchasing cost of the whole machine is lower, the price of the whole machine is lower compared with that of a high-precision laser welding machine of about 10 ten thousand, the screen and the guide cover can be fixed by action, the operation work period is short, and the machining efficiency is extremely high.
Preferably, the transverse slideway comprises an upper plate and a lower plate, a vertical plate is fixed between the upper plate and the lower plate, and the pressing plate slides between the upper plate and the lower plate.
By adopting the technical scheme, the upper plate and the lower plate are limited up and down, so that excessive up-and-down swing of the pressing plate in the sliding process is avoided, and the pressing plate is a connecting plate for connecting the upper plate and the lower plate into a whole.
Preferably, the lower plate is provided with an elongated guide opening, the oblique guide slides in the guide opening, and the oblique guide plate moves back and forth along the radial direction of the guide opening.
Through adopting above-mentioned technical scheme, the uide hole is used for the location to slide for oblique baffle can only carry out radial round trip movement along the uide hole.
Preferably, the lower plate is fixed with a stop block, the pressing plate is fixed with a supporting block, and the spring is abutted between the stop block and the supporting block.
By adopting the technical scheme, one end of the spring is fixed on the stop block and keeps fixed; the other spring is fixed on the abutting block and can push the pressing plate to reset.
Preferably, the bottom of the inclined guide ring is fixed with 4 supporting rods, a piston rod of the vertical cylinder is fixed with the supporting rods, and jacks are formed between the adjacent supporting rods.
Through adopting above-mentioned technical scheme, the piston rod of bracing piece and vertical cylinder is fixed.
Preferably, a platform is placed in the inclined guide ring, a support leg is fixed on the platform, and the support leg penetrates through the insertion hole and is fixed on the rack.
Through adopting above-mentioned technical scheme, the platform is used for placing screen cloth and the kuppe of replacing the pressfitting, and the stabilizer blade passes the jack setting, therefore the lift action that can not influence vertical cylinder of platform.
Preferably, the frame is fixed with the upper cylinder, and the piston rod of the upper cylinder points to the centre of a circle that horizontal pressing components enclose the ring, and the piston rod of the upper cylinder is installed with the clamping jaw cylinder.
Through adopting above-mentioned technical scheme, the clamping jaw cylinder is used for snatching screen cloth and kuppe, then places waiting pressfitting processing on the platform.
Preferably, there are 8 transverse stitching assemblies, and the 8 transverse stitching assemblies are equally spaced along the circumferential direction.
Through adopting above-mentioned technical scheme, horizontal pressfitting subassembly adopts 8 position to screen cloth and kuppe for pressfitting relation between them is more firm.
The second purpose of the invention is to provide a press-rolling process of the air guide sleeve and the screen, which adopts the pressing plates arranged on the circumference to press the screen sleeved outside the air guide sleeve in a rolling manner, so that the air guide sleeve and the screen are firmly fixed.
The technical purpose of the invention is realized by the following technical scheme:
a press-rolling process of a flow guide cover and a screen comprises the following steps of 1, forming an annular groove on the edge of the flow guide cover; step 2, sleeving the screen mesh on the air guide sleeve, grabbing the air guide sleeve by using a clamping jaw cylinder according to the requirement 8, and downwards conveying the air guide sleeve and the screen mesh onto a platform by using an upper cylinder; step 3, ejecting the vertical cylinder upwards, and pressing the pressing plate to move towards the annular groove and press the edge of the screen mesh into the annular groove; step 4, the vertical cylinder retracts downwards, the pressing plate is separated from the annular groove, the clamping jaw cylinder (72) grabs a pressed product, and then a piston rod of the upper cylinder rises; and 5, taking out the rolled screen and the air guide sleeve from the clamping jaw cylinder.
In conclusion, the invention has the following beneficial effects: the rolling device adopts a mechanical compression mode to compress the screen in the air guide sleeve, and the main cost is the air cylinder serving as a power source because of adopting a communicated mechanical structure, so that the design cost is lower compared with the customized laser welding machine.
Secondly, in the working efficiency, the design can quickly finish the rolling of a circle, and the air guide sleeve and the screen are locked; the laser welding machine can complete annular welding of the side face of the air guide sleeve for one circle, and the single working time of laser welding is too long, so that the production efficiency of the laser welding machine is higher compared with that of the laser welding machine.
Drawings
FIG. 1 is a first schematic structural view of a transverse pressing assembly according to an embodiment;
FIG. 2 is a second schematic structural view of the transverse pressing assembly in the embodiment;
FIG. 3 is a schematic view of the embodiment of the lateral pressing assembly as surrounding the circular ring;
FIG. 4 is an exploded view of the platform and ramp ring of the embodiment;
FIG. 5 is a schematic view showing the structure of the platform inserted in the inclined guide ring according to the embodiment;
FIG. 6 is a schematic structural view of a crimping apparatus according to an embodiment;
FIG. 7 is an exploded view of the pod and screen of the example embodiment.
In the figure:
1. a frame;
2. a transverse pressing component;
21. a transverse slideway; 211. an upper plate; 212. a lower plate; 213. pressing a plate; 214. a vertical plate;
22. an inclined guide plate; 23. a guide port; 24. an inclined guide ring;
3. a vertical cylinder;
41. a spring; 42. a stopper; 43. a resisting block;
51. a support bar; 52. a jack;
61. a platform; 62. a support leg;
71. an upper cylinder; 72. a clamping jaw cylinder;
81. screening a screen; 82. a pod; 83. an annular groove;
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Description of the drawings: the center of the circle in this embodiment refers to the center of the circle surrounded by the lateral pressing components 2.
Embodiment 1, a pressure equipment of kuppe and screen cloth, refer to fig. 1-7, including frame 1, frame 1 has 8 circumference to arrange into annular horizontal pressfitting assemblies 2, 8 horizontal pressfitting assemblies 2 enclose into a ring, the center of this ring is the station that is used for being extruded; and 8 transverse stitching assemblies 2 are arranged at equal intervals along the circumferential direction.
Regarding the structure of the transverse stitching assembly 2, the transverse stitching assembly 2 comprises a transverse slideway 21, the transverse slideway 21 comprising an upper plate 211 and a lower plate 212. The upper plate 211 and the lower plate 212 are arranged in parallel up and down, and a transverse slideway 21 is formed at the hollow position between the upper plate and the lower plate;
a vertical plate 214 is fixed between the upper plate 211 and the lower plate 212, and the vertical plate 214 is fixedly connected with the frame 1. The vertical plate 214 is a connecting plate, and the vertical plate 214 is positioned at one end of the upper plate 211 and the lower plate 212 far away from the circle center; and the ends of the upper plate 211 and the lower plate 212 adjacent to the center of the circle are an opening for the sliding out motion of the pressing plate 213.
The upper plate 211 and the lower plate 212 are for upper and lower position restriction, and since the pressing plate 213 slides between the upper plate 211 and the lower plate 212, the pressing plate 213 does not tilt up or down.
The inclined guide plate 22 is fixed below the pressing plate 213, and the pressing plate 213 and the inclined guide plate 22 are vertically arranged.
The lower plate 212 is provided with a long-strip-shaped guide opening 23, and the inclined guide plate 22 penetrates through the guide opening 23 and extends downwards; the guide opening 23 extends along the radius direction of the circle center,
the inclined guide plate 22 is slidably fitted in the guide opening 23, so that the guide plate 22 moves back and forth along the guide opening 23 in the radial direction.
The frame 1 is provided with a vertical cylinder 3, a piston rod of the vertical cylinder 3 is fixed with an inclined guide ring 24, and the upper inclined plane of the inclined guide ring 24 is attached to the lower inclined planes of all the inclined guide plates 22;
when the inclined guide ring 24 is raised, the inclined guide plates 22 are pushed down at the side of the inclined guide ring 24, and all 8 inclined guide plates 22 drive the pressing plate 213 to move towards the circle center position, so that the pressing action is completed.
The structure mainly explains and presses the action;
the following structure mainly explains the separation operation.
And a spring 41 for pushing the pressing plate 213 to move towards the position departing from the circle center is arranged between the transverse slide way 21 and the pressing plate 213.
The lower plate 212 is fixed with a stopper 42,
the pressing plate 213 fixes the abutting block 43, the pressing plate 213 is fixed with two long plates, the two long plates are arranged in parallel, the abutting block 43 is fixed at the end parts of the two long plates, the two long plates also form a limiting groove, and the stop block 42 is also positioned between the two long plates; it is clear that the two long plates, the stop 42 and the abutment 43 form a rectangular frame, the spring 41 being placed inside this rectangular frame, and the two ends of the spring 41 abutting between the stop 42 and the abutment 43. In other embodiments, the two ends of the spring 41 may be directly welded to the stopper 42 and the stopper 43.
Obviously, the spring 41 acts as a restoring force, each time the pressing plate 213 extends towards the center of the circle, the spring 41 is compressed and deformed, and when the piston rod of the vertical cylinder 3 is reset downwards, the compressed spring 41 provides a restoring force to enable the pressing plate 213 to slip away from the center of the circle; obviously, when the piston rod of the vertical cylinder 3 retracts downward, the elastic force of the spring 41 pushes the pressing plate 213 to expand outward.
Realize the action of part, the product of the practicality of being convenient for will pressfitting takes out.
The bottom of the inclined guide ring 24 is fixed with 4 support rods 51, the piston rod of the vertical cylinder 3 is fixed with the support rods 51, the adjacent support rods 51 are provided with insertion holes 52, and the number of the insertion holes 52 is 4. Platform 61 is placed in the inclined guide ring 24, and a leg 62 is fixed on the platform 61, and the leg 62 is fixed on the frame 1 through the insertion hole 52. The platform 61 serves to hold the products to be pressed together.
An upper cylinder 71 is fixed on the frame 1, a piston rod of the upper cylinder 71 points to the circle center of the ring surrounded by the transverse press-fit component 2, and a clamping jaw cylinder 72 is installed on the piston rod of the upper cylinder 71.
Example 2, a flow guide cover and screen mesh rolling process, which is performed by using the rolling device of example 1, with reference to fig. 1 to 7, includes the following steps,
step 1, performing metal processing, for example, forming an annular groove on the edge of the air guide sleeve 82 by using a lathe;
and 4, the vertical cylinder 3 retracts downwards, the pressing plate 213 is separated from the annular groove, the screen mesh 81 and the air guide sleeve 82 which are rolled and pressed together are grabbed in the clamping jaw cylinder 72, and then the piston rod of the upper cylinder 71 rises.
And 5, taking out the rolled screen 81 and the air guide sleeve 82 from the clamping jaw air cylinder 72.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (9)
1. The utility model provides a crimping device of kuppe and screen cloth, includes frame (1), characterized by: the frame (1) is provided with a plurality of transverse pressing components (2) which are circumferentially arranged in a ring shape, each transverse pressing component (2) comprises a transverse slideway (21), and a pressing plate (213) which moves back and forth along the radial direction slides in each transverse slideway (21);
an inclined guide plate (22) is fixed below the pressing plate (213), a vertical cylinder (3) is installed on the rack (1), an inclined guide ring (24) is fixed on a piston rod of the vertical cylinder (3), and the inclined surface of the inclined guide ring (24) is attached to the inclined surface of the inclined guide plate (22);
when the inclined guide ring (24) rises, the inclined guide plate (22) pushes down the driving press plate (213) at the side of the inclined guide ring (24) to move towards the circle center position;
a spring (41) for pushing the pressing plate (213) to move towards the position departing from the circle center is arranged between the transverse slide way (21) and the pressing plate (213).
2. The pod and screen cloth crimping device of claim 1, wherein: the transverse slideway (21) comprises an upper plate (211) and a lower plate (212), a vertical plate (214) is fixed between the upper plate (211) and the lower plate (212), and a pressure plate (213) slides between the upper plate (211) and the lower plate (212).
3. The pod and screen cloth crimping device of claim 2, wherein: the lower plate (212) is provided with a long guide opening (23), the inclined guide plate (22) slides in the guide opening (23) and the inclined guide plate (22) moves back and forth along the radial direction of the guide opening (23).
4. The pod and screen crimper of claim 3, wherein: a stop block (42) is fixed on the lower plate (212), a resisting block (43) is fixed on the pressing plate (213), and the spring (41) is propped between the stop block (42) and the resisting block (43).
5. The pod and screen crimper of claim 4, wherein: the bottom of the inclined guide ring (24) is fixed with 4 support rods (51), a piston rod of the vertical cylinder (3) is fixed with the support rods (51), and an insertion hole (52) is formed between the adjacent support rods (51).
6. The pod and screen crimper of claim 5, wherein: a platform (61) is placed in the inclined guide ring (24), a supporting leg (62) is fixed on the platform (61), and the supporting leg (62) penetrates through the insertion hole (52) and is fixed on the rack (1).
7. The pod and screen crimper of claim 6, wherein: an upper cylinder (71) is fixed on the frame (1), a piston rod of the upper cylinder (71) points to the circle center of the ring surrounded by the transverse pressing component (2), and a clamping jaw cylinder (72) is installed on the piston rod of the upper cylinder (71).
8. The pod and screen crimper of claim 7, wherein: the number of the transverse pressing components (2) is 8, and the 8 transverse pressing components (2) are arranged at equal intervals along the circumferential direction.
9. A press-rolling process of a flow guide cover and a screen mesh is characterized in that: comprises the following steps of (a) carrying out,
step 1, forming an annular groove (83) on the edge of a flow guide cover (82);
step 2, sleeving a screen (81) on a flow guide cover (82), grabbing the flow guide cover (82) by a clamping jaw cylinder (72) according to the requirement 8, and downwards conveying the flow guide cover (82) and the screen (81) onto a platform (61) by an upper cylinder (71);
step 3, the vertical cylinder (3) is ejected upwards, the pressing plate (213) moves towards the annular groove (83) and presses the edge of the screen (81) into the annular groove (83);
step 4, the vertical cylinder (3) retracts downwards, the pressing plate (213) is separated from the annular groove (83), the clamping jaw cylinder (72) grabs a pressed product, and then a piston rod of the upper cylinder (71) rises;
and 5, taking out the rolled screen (81) and the air guide sleeve (82) from the clamping jaw air cylinder (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110938692.4A CN113732189A (en) | 2021-08-16 | 2021-08-16 | Rolling device and rolling process for air guide sleeve and screen mesh |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110938692.4A CN113732189A (en) | 2021-08-16 | 2021-08-16 | Rolling device and rolling process for air guide sleeve and screen mesh |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113732189A true CN113732189A (en) | 2021-12-03 |
Family
ID=78731315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110938692.4A Pending CN113732189A (en) | 2021-08-16 | 2021-08-16 | Rolling device and rolling process for air guide sleeve and screen mesh |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113732189A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2270029A1 (en) * | 1974-05-09 | 1975-12-05 | Socado | Crimping press with horizontal workhead - has ram rotating ring with cam faces moving jaws radially in fixed ring |
| EP0822126A2 (en) * | 1996-08-01 | 1998-02-04 | Progress-Werk Oberkirch Aktiengesellschaft | Generator for an air bag, method of manufacturing the same |
| KR200352500Y1 (en) * | 2004-03-18 | 2004-06-04 | 이용호 | Fitting Machine |
| CN200988069Y (en) * | 2006-12-20 | 2007-12-12 | 蒋迪江 | Soft tube pressing mold |
| CN101314173A (en) * | 2007-06-01 | 2008-12-03 | 成都飞机工业（集团）有限责任公司 | Manufacturing technique for extrusion pressing type non-enlarging combined pipe end socket |
| CN202155643U (en) * | 2011-06-30 | 2012-03-07 | 诸暨市店口天合汽车配件经营部 | Multipurpose pipe extruding machine |
| CN203061732U (en) * | 2013-03-07 | 2013-07-17 | 杨洪德 | Manually-operated pipe pressing device |
| CN203197135U (en) * | 2013-04-27 | 2013-09-18 | 无锡市优尼克制冷设备有限公司 | Pipe pressing machine |
| CN104439693A (en) * | 2014-12-08 | 2015-03-25 | 西安创新精密仪器研究所 | Rotary forging connection process for homogeneous or heterogeneous metal tubes and bars |
| CN108723750A (en) * | 2018-06-23 | 2018-11-02 | 上海贝特威自动化科技有限公司 | A kind of snap ring quick press mounting device |
-
2021
- 2021-08-16 CN CN202110938692.4A patent/CN113732189A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2270029A1 (en) * | 1974-05-09 | 1975-12-05 | Socado | Crimping press with horizontal workhead - has ram rotating ring with cam faces moving jaws radially in fixed ring |
| EP0822126A2 (en) * | 1996-08-01 | 1998-02-04 | Progress-Werk Oberkirch Aktiengesellschaft | Generator for an air bag, method of manufacturing the same |
| KR200352500Y1 (en) * | 2004-03-18 | 2004-06-04 | 이용호 | Fitting Machine |
| CN200988069Y (en) * | 2006-12-20 | 2007-12-12 | 蒋迪江 | Soft tube pressing mold |
| CN101314173A (en) * | 2007-06-01 | 2008-12-03 | 成都飞机工业（集团）有限责任公司 | Manufacturing technique for extrusion pressing type non-enlarging combined pipe end socket |
| CN202155643U (en) * | 2011-06-30 | 2012-03-07 | 诸暨市店口天合汽车配件经营部 | Multipurpose pipe extruding machine |
| CN203061732U (en) * | 2013-03-07 | 2013-07-17 | 杨洪德 | Manually-operated pipe pressing device |
| CN203197135U (en) * | 2013-04-27 | 2013-09-18 | 无锡市优尼克制冷设备有限公司 | Pipe pressing machine |
| CN104439693A (en) * | 2014-12-08 | 2015-03-25 | 西安创新精密仪器研究所 | Rotary forging connection process for homogeneous or heterogeneous metal tubes and bars |
| CN108723750A (en) * | 2018-06-23 | 2018-11-02 | 上海贝特威自动化科技有限公司 | A kind of snap ring quick press mounting device |
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