CN111672931B - Automobile air conditioner inhaul cable clamping and shaping device - Google Patents
Automobile air conditioner inhaul cable clamping and shaping device Download PDFInfo
- Publication number
- CN111672931B CN111672931B CN202010541464.9A CN202010541464A CN111672931B CN 111672931 B CN111672931 B CN 111672931B CN 202010541464 A CN202010541464 A CN 202010541464A CN 111672931 B CN111672931 B CN 111672931B
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- plate
- positioning block
- bottom plate
- clamping
- shaping
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- 238000007493 shaping process Methods 0.000 title claims abstract description 53
- 238000003825 pressing Methods 0.000 claims abstract description 25
- 238000007667 floating Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000002349 favourable Effects 0.000 abstract description 4
- 238000010923 batch production Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 238000004378 air conditioning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003287 optical Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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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
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- 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
Abstract
The invention discloses an automobile air conditioner inhaul cable clamping and shaping device which comprises a bottom plate and a pressing plate horizontally arranged above the bottom plate, wherein the pressing plate can perform lifting motion under the action of a driving mechanism so as to be close to or far away from the bottom plate; the positioning block is provided with a shaping part for placing the clamp, the shaping part is movably arranged on the bottom plate, can horizontally slide between a waiting position and a working position along the bottom plate under the driving of the retaining mechanism, and is locked at the waiting position or the working position by the retaining mechanism, and when the positioning block is at the working position, the shaping part is positioned under the pressing plate. Adopt mechanized device to unify the plastic to the clamping, mainly realize the fixed to the clamping with profile modeling structure cooperation location structure, rethread machinery application of pressure mechanism, the plastic of exerting pressure is pressed to the clamping opening, can effectively improve the uniformity and the yields of clamping finished product quality, reduces manual operation step simultaneously, is favorable to batch production, improves production efficiency etc..
Description
Technical Field
The invention relates to the technical field of automobile air conditioner production equipment, in particular to an automobile air conditioner inhaul cable clamp shaping device.
Background
The air conditioning system of the automobile can bring comfortable driving and riding environments to automobile drivers and passengers. In the air conditioning system of the vehicle, the most critical component capable of performing the mode switching function is a CCU (air conditioning control unit). In the manufacturing and assembling process, how to realize the accurate switching of each mode, the assembly position and the positioning accuracy of the guy cable are critical, most manufacturers adopt manual clamping clips to shape the guy cable for ensuring the assembly quality, but the clips belong to stamping parts and are influenced by die abrasion and the like, the size of each clip is inconsistent, the manual shaping cannot ensure the consistency of finished products, the production efficiency is low, if the sizes of the clips have larger deviation, the guy cable fixing position is often deviated due to insufficient clamping force, further, the CCU has the deviation of each mode in the operation, and the air outlet of the air conditioner leaks air.
Disclosure of Invention
In order to solve the technical problems, the invention provides a clamp shaping device for an automobile air conditioner inhaul cable, which can ensure the quality and consistency of finished clamp products and improve the production efficiency and the like.
The technical scheme is as follows:
the utility model provides an automobile air conditioner cable clamping shaping device which the key lies in, includes:
a base plate;
the pressing plate is horizontally arranged above the bottom plate and can perform lifting motion under the action of the driving mechanism so as to be close to or far away from the bottom plate;
the positioning block is provided with a shaping part for placing the clamp, the shaping part is movably arranged on the bottom plate, can horizontally slide between a waiting position and a working position along the bottom plate under the driving of the retaining mechanism, and is locked at the waiting position or the working position by the retaining mechanism, and when the positioning block is at the working position, the shaping part is positioned under the pressing plate.
Structure more than adopting, fix the metal clamping order on the plastic part of locating piece during the use, the locating piece passes through the plastic part of profile modeling and can fully improve the stability of clamping, then move it under the clamp plate, at last, exert pressure to all clamping through different actuating mechanism drive clamp downstream and carry out opening size's plastic, through mechanical operation, can guarantee to apply the pressure of clamping and keep unanimous, finally ensure the uniformity of opening size of clamping after the plastic, be favorable to improving finished product quality, replace manual with machinery simultaneously, also be favorable to improving production efficiency, reduce personnel's cost etc..
Preferably, the method comprises the following steps: and a positioning plate is arranged right in front of the shaping part and is fixedly arranged relative to the bottom plate. By adopting the scheme, when the shaping part is positioned under the pressure plate, the clamping placed on the shaping part is simultaneously supported by the positioning plate, so that the position of the clamping in the process of applying pressure can be effectively prevented from moving, and the compression shaping quality can be further improved.
Preferably, the method comprises the following steps: the bottom plate is fixedly provided with a vertically arranged supporting plate, and the positioning plate is horizontally arranged on the main supporting plate in a detachable mode. By adopting the structure, different positioning plates can be replaced according to needs to adapt to clamping of different sizes.
Preferably, the method comprises the following steps: the upper portion of the main support plate is provided with a cylinder mounting plate arranged on the same side as the positioning plate, the driving mechanism is a cylinder fixedly arranged on the cylinder mounting plate, a piston rod of the driving mechanism faces downwards vertically, the end portion of the piston rod is connected with a pressure plate mounting plate through a floating head, a guide structure is arranged between the pressure plate mounting plate and the cylinder mounting plate, and the pressure plate is fixedly arranged at the bottom of the pressure plate mounting plate. By adopting the structure, the stability of applied pressure is favorably improved, the pressure control, pressure maintaining operation and the like are convenient, the implementation is convenient, and the cost is relatively low.
Preferably, the method comprises the following steps: the bottom plate is fixedly provided with a guide rail, the extension direction of the guide rail is perpendicular to the length direction of the positioning block, a sliding seat in sliding fit with the guide rail is arranged on the guide rail, and the sliding seat is provided with a positioning block supporting plate for mounting the positioning block. By adopting the scheme, the stability and the positioning accuracy of the positioning block in the moving process can be guaranteed, the clamping clamp is prevented from deflecting in the moving process, or the clamping clamp and the pressing plate are prevented from position deviation after being in place, and the working reliability of the device is greatly improved.
Preferably, the method comprises the following steps: the positioning block is detachably mounted on the positioning block supporting plate. By adopting the scheme, the positioning block matched with the clamping clamp can be selected according to the size of the clamping clamp, and the application range of the device is widened.
Preferably, the method comprises the following steps: the holding mechanism comprises a base fixedly arranged on the bottom plate, a connecting rod which is arranged right opposite to the positioning block supporting plate is arranged on the base, the connecting rod is movably arranged relative to the base, and the rear end of the connecting rod is connected with the positioning block supporting plate;
the front end of the base is provided with a rocker in a rotatable mode, the rocker is hinged with a crank, the rear end of the crank is hinged with the front end of the connecting rod, and when the rocker rotates, the connecting rod can drive the positioning block supporting plate to be close to or far away from the pressing plate. By adopting the scheme, the positioning block supporting plate can be pulled out or pushed into along with the positioning block through the manual operation rocker, the positioning block can be positioned accurately through fixing the length of the connecting rod, the control structure is simplified, and the whole cost is reduced while the good effect is ensured.
Preferably, the method comprises the following steps: the connecting rod rear end has the bolted connection head that sets up with removable mode, the locating piece backup pad has the card income groove with this bolted connection head complex. By adopting the scheme, the fixed connection between the connecting rod and the positioning block supporting plate is convenient to realize, and the later-stage disassembly and replacement are convenient.
Preferably, the method comprises the following steps: the two ends of the positioning block are provided with stopping parts which are positioned outside the shaping part. By adopting the scheme, the end parts of the arranged clamping clips can be limited, and the clamping clips are prevented from falling from two ends.
Preferably, the method comprises the following steps: the air cylinder is controlled by a PLC, and an electromagnetic valve controlled by a time relay is arranged on an air path of the air cylinder. By adopting the scheme, the pressing speed, the pressure maintaining time and the like can be better controlled, the clamp shaping size can be more accurately controlled, and the consistency of the quality of finished products and the like can be ensured.
Compared with the prior art, the invention has the beneficial effects that:
technical scheme's vehicle air conditioner cable clamping shaping device more than adopting adopts mechanized device to unify the plastic to the clamping, mainly realizes the fixed to the clamping with profile modeling structure cooperation location structure, and rethread machinery application of pressure mechanism exerts pressure the plastic to the clamping opening, can effectively improve the uniformity and the yields of clamping finished product quality, reduces manual operation step simultaneously, is favorable to batch production, improves production efficiency etc..
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a schematic view of a positioning block;
FIG. 5 is a cross-sectional view of a locating block;
FIG. 6 is a schematic view of a clip construction.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Referring to fig. 1 to 6, the concrete structure of the clamp of the invention is shown in fig. 6, and it is substantially "S" shape, and has an opening 80 and a notch 81, the opening directions of the two are opposite, wherein the notch 81 has a substantially rectangular cross section, the bottom is a flat end surface 82, the lower side of the open end of the notch 81 has an obliquely arranged engaging portion 84, and the upper side of the opening 80 has an arc-shaped protruding portion 83, the clamp shaping described herein is to keep the size of the openings 80 of all the clamps 8 consistent, and reach the design specification, so as to ensure the good clamping force.
The shaping device in the application mainly comprises a bottom plate 1, a pressure plate 2 and a positioning block 4, as shown in the figure, the pressure plate 2 is horizontally arranged above the bottom plate 1 through a supporting mechanism and can move up and down and reciprocate through a driving mechanism 3 to be close to or far away from the bottom plate 1, the positioning block 4 is arranged in parallel with the pressure plate 2 and is positioned below the pressure plate 2, the positioning block 4 is provided with a shaping part 40, the shape of the shaping part 40 is similar to the structure of a notch 81, as shown in the figure 5 in particular, the thickness of the shaping part 40 is adapted to the width of the notch 81, the lower side of the shaping part 40 is provided with an attaching part 42 adapted to a clamping part 84, the upper side is provided with a chamfer 43 adapted to the corner of the upper side wall of the notch 81, the positioning block 4 can do horizontal reciprocating motion relative to the bottom plate 1 under the action of a retaining mechanism 5, two positions of waiting and working are inevitably existed on the motion stroke, and the retaining mechanism 5 can lock the positioning block at the waiting position or the working position, when the positioning block 4 is located at the working position, the shaping part 40 is located under the pressing plate 2, when the clamp is used, the positioning block 4 is fixed at the waiting position, then the clips 8 are sequentially arranged on the shaping part 40, the opening 80 is located above the shaping part 40, then the shaping part is moved to the position under the pressing plate 2, and then the arc-shaped protruding part 83 is pressed downwards through the driving mechanism 3, so that the size shaping of the opening 80 can be realized.
Referring to fig. 1 to 3, a positioning plate 6 is further installed on the bottom plate 1 through the main support plate 10, as shown in the figure, the main support plate 10 is vertically arranged and located behind the positioning block 4, the positioning plate 6 is detachably arranged on the main support plate 10 and directly faces to the end of the shaping part 40, when the shaping part 40 is located under the pressing plate 2, a gap between the end of the shaping part 40 and the front end of the positioning plate 6 just matches with the thickness of the clamp 8, namely, the front end of the positioning plate 6 abuts against the flat end surface 82 at this moment, and the clamp 8 can be effectively prevented from being withdrawn from the shaping part 40 in the pressing process.
As shown in fig. 1 and 2, the top of the main supporting plate 10 has a cylinder mounting plate 11 extending horizontally forward, and the driving mechanism 3 in this embodiment is preferably a cylinder, a piston rod 30 of the cylinder is downward vertically, an end of the piston rod is connected with a pressing plate mounting plate 32 through a floating head 31, the pressing plate mounting plate 32 is horizontally disposed, the pressing plate 2 is detachably fixed at the bottom of the pressing plate mounting plate 32, and meanwhile, in order to ensure the stability of the pressing process, a guiding structure is further provided between the pressing plate mounting plate 32 and the cylinder mounting plate 11 in this embodiment, which mainly includes optical axes 320 fixed at two ends of the pressing plate mounting plate 32, and a sleeve 110 disposed on the cylinder mounting plate 11 and facing the optical axes 320, and during the lifting process of the cylinder driving the pressing plate mounting plate 32, the optical axes 320 are always at least partially located in the sleeve 110.
In addition, in order to ensure the controllability of the pressure applying process and the pressure maintaining process and improve the shaping precision, the air cylinder in the embodiment is controlled by a PLC (programmable logic controller), meanwhile, an electromagnetic valve is installed on an air path of the air cylinder, and the air cylinder is controlled by a time relay, so that the pressure maintaining time or the pressing interval time and the like can be better controlled.
In this embodiment, in order to ensure the stability of the moving process of the positioning block 4, a corresponding guiding mechanism is also arranged on the bottom 1 to ensure the accuracy of the position of the positioning block 4, as shown in the figure, the positioning block mainly comprises two guide rails 12 arranged opposite to the main support plate 10, the length direction of the guide rails 12 is perpendicular to the positioning block 4, a sliding seat 13 in sliding fit with the guide rails is arranged on the guide rails, a positioning block support plate 7 for mounting the positioning block 4 is arranged on the sliding seat 3, two ends of the positioning block support plate 7 are fixed on the two sliding seats 13 and are substantially in an inverted "T" shape, and the positioning block 4 is detachably mounted on the rear side of the vertical part of the positioning block.
From the viewpoints of operability and cost, the holding mechanism 5 in the present embodiment is preferably a toggle mechanism, which mainly includes a base 50 fixedly disposed on the bottom plate 1, a movably disposed connecting rod 51 is disposed on the base 50, the rear end of the connecting rod 51 is connected with the positioning block supporting plate 7, a rocker 52 is rotatably mounted on the front end of the base 50, the rotation plane of the rocker 52 is perpendicular to the length direction of the positioning block 4, a crank 53 is hinged on the rocker 52, the rear end of the crank 53 is hinged with the front end of the connecting rod 51, when the rocker 52 swings, the connecting rod 51 can be driven by the crank 53 to make a reciprocating linear motion, and according to the length of the connecting rod 51, when the rocker 52 is locked, the positioning block supporting plate 7 can be located at the farthest position, and at this time, the shaping portion 40 is located just under the pressing plate 2.
On the basis, the rear end of the connecting rod 51 is connected with the positioning block supporting plate 7 through the bolt connector 54, the rear end of the connecting rod is mainly composed of a bolt and a locking nut, the front side of the positioning block supporting plate 7 is provided with a clamping groove 70 matched with the bolt connector 54, and when the bolt is clamped in the clamping groove, the bolt and the locking nut can be fixed.
Referring to fig. 4 and fig. again, in the positioning block 4 of the present embodiment, in addition to positioning the clip 8 in the backward direction and the up-down direction, the stopping portions 41 are further disposed at both ends of the positioning block 4, and the stopping portions 41 are located outside the shaping portion 40 to limit the arrangement of the clip 8, that is, to position the clip in the width direction, so as to prevent the clip from sliding off from the end portion of the shaping portion 40, thereby further improving the positioning effect.
In this embodiment, the left and right ends of the bottom plate 1 are provided with handles symmetrically arranged so as to facilitate the moving of the device.
Referring to the clamp shaping device for the automobile air conditioner inhaul cable shown in fig. 1 to 6, when in use, the air cylinder is in a reset state, the rocker 52 rotates forwards, the positioning block 4 can move forwards, a worker can sequentially place the clamp 8 on the shaping part 40, namely the notch 81 is opposite to the shaping part 80 to be clamped, then the rocker 52 rotates backwards and is locked, the shaping part 40 is positioned under the pressure plate 2, namely the arc-shaped bulge 83 of the clamp 8 is positioned under the pressure plate 2, the front end of the positioning plate 6 is abutted against the flat end surface 82, then the air cylinder is controlled to work, the pressure is applied according to the designed pressure, the pressure is maintained for a period of time, the air cylinder is closed after the clamp 8 is shaped, finally the positioning block 4 is withdrawn, the clamp 8 is a finished product with the same size of the opening 80, the product quality consistency degree is extremely high, the size control is extremely accurate, and the production efficiency is relatively improved, is beneficial to batch production.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a vehicle air conditioner cable clamping shaping device which characterized in that includes:
a base plate (1);
the pressing plate (2) is horizontally arranged above the bottom plate (1) and can do lifting motion under the action of the driving mechanism (3) so as to be close to or far away from the bottom plate (1);
the positioning block (4) is provided with a shaping part (40) for placing a clamp, is movably arranged on the bottom plate (1), can horizontally slide between a waiting position and a working position along the bottom plate (1) under the driving of the retaining mechanism (5), is locked at the waiting position or the working position by the retaining mechanism (5), and is positioned under the pressure plate (2) when the positioning block (4) is at the working position;
a positioning plate (6) is arranged right in front of the shaping part (40), and the positioning plate (6) is fixedly arranged relative to the bottom plate (1);
a main support plate (10) which is vertically arranged is fixed on the bottom plate (1), the positioning plate (6) is horizontally arranged on the main support plate (10) in a detachable mode, and when the shaping part (40) is positioned under the pressure plate (2), a gap is formed between the end part of the shaping part (40) and the front end of the positioning plate (6);
the upper part of the main supporting plate (10) is provided with an air cylinder mounting plate (11) arranged on the same side as the positioning plate (6), the driving mechanism (3) is an air cylinder fixedly arranged on the air cylinder mounting plate (11), a piston rod (30) of the driving mechanism faces downwards vertically, the end part of the piston rod (30) is connected with a pressure plate mounting plate (32) through a floating head (31), a guide structure is arranged between the pressure plate mounting plate (32) and the air cylinder mounting plate (11), and the pressure plate (2) is fixedly arranged at the bottom of the pressure plate mounting plate (32);
the air cylinder is controlled by a PLC, and an electromagnetic valve controlled by a time relay is arranged on an air path of the air cylinder.
2. The automobile air conditioner inhaul cable clamp shaping device according to claim 1, wherein: the base plate (1) is fixedly provided with a guide rail (12), the extension direction of the guide rail (12) is perpendicular to the length direction of the positioning block (4), a sliding seat (13) in sliding fit with the guide rail is arranged on the guide rail (12), and the sliding seat (13) is provided with a positioning block supporting plate (7) for mounting the positioning block (4).
3. The automobile air conditioner inhaul cable clamp shaping device according to claim 2, wherein: the positioning block (4) is detachably mounted on the positioning block supporting plate (7).
4. The automobile air conditioner inhaul cable clamp shaping device according to claim 2 or 3, wherein: the holding mechanism (5) comprises a base (50) fixedly arranged on the bottom plate (1), a connecting rod (51) which is arranged right opposite to the positioning block supporting plate (7) is arranged on the base (50), the connecting rod (51) is movably arranged relative to the base (50), and the rear end of the connecting rod is connected with the positioning block supporting plate (7);
a rocker (52) is rotatably mounted at the front end of the base (50), a crank (53) is hinged to the rocker (52), the rear end of the crank (53) is hinged to the front end of the connecting rod (51), and when the rocker (52) rotates, the positioning block supporting plate (7) can be driven to be close to or far away from the pressing plate (2) through the connecting rod (51).
5. The automobile air conditioner inhaul cable clamp shaping device according to claim 4, wherein: the rear end of the connecting rod (51) is provided with a bolt connector (54) which is arranged in a detachable mode, and the positioning block supporting plate (7) is provided with a clamping groove (70) matched with the bolt connector (54).
6. The automobile air conditioner inhaul cable clamp reshaping device according to any one of claims 1 to 3, which is characterized in that: stopping parts (41) are arranged at two ends of the positioning block (4), and the stopping parts (41) are positioned outside the shaping part (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010541464.9A CN111672931B (en) | 2020-06-15 | 2020-06-15 | Automobile air conditioner inhaul cable clamping and shaping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010541464.9A CN111672931B (en) | 2020-06-15 | 2020-06-15 | Automobile air conditioner inhaul cable clamping and shaping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111672931A CN111672931A (en) | 2020-09-18 |
| CN111672931B true CN111672931B (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010541464.9A Active CN111672931B (en) | 2020-06-15 | 2020-06-15 | Automobile air conditioner inhaul cable clamping and shaping device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111672931B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203695654U (en) * | 2013-12-31 | 2014-07-09 | 珠海凯邦电机制造有限公司 | Automatic locating and shaping device for motor components |
| CN107008773A (en) * | 2017-03-29 | 2017-08-04 | 歌尔股份有限公司 | Position shaping device |
| CN207508097U (en) * | 2017-10-21 | 2018-06-19 | 浙江博鑫涵汽车零部件有限公司 | A kind of repoussage mold of sheet metal |
| CN110711796A (en) * | 2019-09-25 | 2020-01-21 | 温州瑞明工业股份有限公司 | Shaping tool for cylinder head cover of automobile engine |
-
2020
- 2020-06-15 CN CN202010541464.9A patent/CN111672931B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203695654U (en) * | 2013-12-31 | 2014-07-09 | 珠海凯邦电机制造有限公司 | Automatic locating and shaping device for motor components |
| CN107008773A (en) * | 2017-03-29 | 2017-08-04 | 歌尔股份有限公司 | Position shaping device |
| CN207508097U (en) * | 2017-10-21 | 2018-06-19 | 浙江博鑫涵汽车零部件有限公司 | A kind of repoussage mold of sheet metal |
| CN110711796A (en) * | 2019-09-25 | 2020-01-21 | 温州瑞明工业股份有限公司 | Shaping tool for cylinder head cover of automobile engine |
Non-Patent Citations (1)
| Title |
|---|
| 侧顶式肘节快捷夹具;wndlang;《沐风网 https://www.mfcad.com/tuzhi/jiaqian/466925.html》;20180626;全文 * |
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| CN111672931A (en) | 2020-09-18 |
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