CN210632968U - Special machine for drilling automobile sunshade curtain handrail - Google Patents
Special machine for drilling automobile sunshade curtain handrail Download PDFInfo
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- CN210632968U CN210632968U CN201921010537.0U CN201921010537U CN210632968U CN 210632968 U CN210632968 U CN 210632968U CN 201921010537 U CN201921010537 U CN 201921010537U CN 210632968 U CN210632968 U CN 210632968U
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Abstract
The utility model provides a special machine of drilling of car sun visor curtain handrail, the guide rail of two left and right slider guide rail pairs sets firmly respectively in the left and right sides of the front portion of the upper plate of last flat board, and the slider on left and right sides links to each other with corresponding guide rail respectively, and left and right tool seat links firmly with corresponding slider respectively. The cylinder is arranged on the left side of the left slide block, and the piston of the cylinder is connected with the left push rod. The supporting and compressing two assemblies are arranged between the left and right jig assemblies, the two supporting assemblies are symmetrically fixed on the upper flat plate, and the bottom of the positioning groove is provided with a material leaking hole. The pressing assembly comprises a pressing plate, a pressing plate connecting piece and a pressing cylinder. The pressing plate is fixedly connected with the front end of the pressing plate connecting piece, the rear end of the pressing plate connecting piece is fixedly connected with the piston of the pressing cylinder, and the cylinder body of the pressing cylinder is fixedly connected with the upper flat plate. The pressing plate is positioned above the supporting block and is provided with a guide hole. The hydraulic drilling machine is connected with the hydraulic station, the multi-shaft device of the drilling machine is positioned above the pressing assembly, two drilling tools are fixed on the multi-shaft device, and the axes of the two drilling tools are coaxial with one guide hole respectively.
Description
Technical Field
The utility model relates to a processing professional equipment of spare part that uses on the car, concretely relates to car sunshade screen handrail special machine that drills.
Background
Application number 201820350287.4, grant publication number CN 208214778U, the patent document of title "a novel drilling machine" discloses "a novel drilling machine, belongs to the processing equipment technical field of car brake pump, including lathe bed, cooling device and drilling equipment, characterized by: the lathe bed comprises a base, a supporting column, a fixing plate, a locking assembly and a buffer spring, wherein the fixing plate is located above the base and is arranged in parallel with the base, the supporting column is connected with the fixing plate through the locking assembly, the buffer spring surrounds the outer surface of the supporting column, a first guide plate and a second guide plate are arranged at the upper end of the base, the first guide plate and the second guide plate are arranged in a flush mode, a first limiting groove and a second limiting groove are respectively formed in the first guide plate and the second guide plate, a filter plate and a plurality of penetrating flow guide holes are formed in the base, and the filter plate is located at the lower end of the flow guide holes. However, the method is not suitable for the processing requirement of the drilling of the automobile sun-shading curtain handrail, and other processing technical equipment which can meet the processing requirement of the drilling of the automobile sun-shading curtain handrail is not searched for in the search.
Disclosure of Invention
The main purpose of the utility model is to provide a special drilling machine for automobile sunshade handrail.
The utility model discloses used technical scheme is: a special drilling machine for automobile sunshade curtain handrails comprises a rack, a hydraulic station, an electric appliance cabinet, a left jig assembly, a right jig assembly, a slide block guide rail pair, a cylinder, a supporting assembly, a pressing assembly and a hydraulic drilling machine;
an upper flat plate and a lower flat plate are arranged on the frame. The left jig component comprises a left jig seat, a left Y-direction cylinder, a left ejection column and a left push rod. The right jig component comprises a right jig seat, a right Y-direction cylinder and a right ejection column. The hydraulic station and the electric appliance cabinet are arranged on the lower flat plate. The guide rails of the left and right slide block guide rail pairs are fixedly arranged on the left and right sides of the front part of the upper flat plate respectively, the right slide block is fixedly connected with the corresponding guide rail, and the left slide block is connected with the corresponding guide rail in a sliding manner;
the left and right jig seats are fixedly connected with corresponding sliding blocks respectively. The cylinder is fixedly arranged on the upper flat plate and is positioned on the left side of the left sliding block, and a piston of the cylinder is connected with the left push rod. The supporting component and the pressing component are arranged between the left jig component and the right jig component;
the supporting component comprises a mounting block and a supporting block. The upper ends of the supporting block and the mounting block are fixedly connected to form an L shape, the supporting block is provided with a left-right positioning groove matched with the handrail of the sun-shading curtain, the two supporting components are fixed on the upper flat plate in a left-right symmetrical mode, and the bottom of the positioning groove is provided with a material leaking hole;
the pressing assembly comprises a pressing plate, two pressing plate connecting pieces and two pressing cylinders. The left end and the right end of the pressing plate are fixedly connected with the front end of a pressing plate connecting piece respectively, the rear end of the pressing plate connecting piece is fixedly connected with the free end of a piston of the pressing cylinder, and the lower end of a cylinder body of the pressing cylinder is fixedly connected with the upper flat plate. The pressing plate is positioned right above the supporting block, and a guide hole coaxial with the material leakage hole is formed in the pressing plate;
the hydraulic drilling machine is connected with the hydraulic station. The lower end of a vertical column and an upper flat plate of the hydraulic drilling machine are fixedly connected to the rear part of the pressing component, a multi-shaft device of the drilling machine is positioned above the pressing component, two drilling tools are fixed on the multi-shaft device, and the axes of the two drilling tools are coaxial with one guide hole respectively.
When the automobile sunshade curtain handrail drilling machine is used, an automobile sunshade curtain handrail is placed on the special machine, the left top column and the right top column are respectively inserted into holes at two ends of the automobile sunshade curtain handrail, the left Y-direction cylinder and the right Y-direction cylinder push the automobile sunshade curtain handrail forward to stabilize the position of the automobile sunshade curtain handrail, and the cylinder pushes the left push rod to push the left jig seat leftward, so that the automobile sunshade curtain handrail is positioned on a drilling hole position. And then drilling two required holes on the automobile sun visor handrail by using a hydraulic drilling machine. The utility model discloses can accurately drill out the hole of two needs, overall structure is simple reasonable, machining efficiency and processingquality are high, are a very outstanding car sunshade screen handrail special purpose machine that drills.
Preferably, the upper end and the lower end of the mounting block are connected to form an L shape, the supporting block is fixedly connected with the upper end of the mounting block, and correspondingly, the upper end of the mounting block is provided with a lower material leakage hole which is coaxial with the material leakage hole. According to the preferred scheme, the upper ends of the supporting block and the mounting block are fixedly connected together by using the bolt structures, the mounting and the adjustment are easy, the processing precision of corresponding parts can be reduced, and the device has the advantage of reasonable structure.
Preferably, a deburring assembly is also included. The deburring component comprises a power head, a reamer and a lower multi-axis device. The deburring component is installed on the lower flat plate, the lower end of the lower multi-shaft device is connected with the power head, the lower ends of the two reamers are connected with the upper end of the lower multi-shaft device, the axes of the two reamers are respectively superposed with the axis of a material leaking hole, and the upper flat plate is provided with the material leaking hole which is coaxial with the reamers and is larger than three times of the diameter of the reamers. The power head drives the lower multi-axis device to move up and down and rotate, and the lower multi-axis device drives the reamer to rotate. This preferred scheme can prevent that car sunshade screen handrail from injuring the production workman. Further preferably, the reamer is provided with a waste receiving tray at the connecting part of the reamer and the lower multi-shaft device. Further preferred scheme can reduce the possibility that burring subassembly damaged, and the clearance is convenient, the environment is neatly done highly.
Preferably, the upper plate comprises an upper plate body, a large base plate fixedly arranged on the upper plate body, a small base plate fixedly arranged on the large base plate, a reference plate fixedly arranged at the front end of the small base plate, a cylinder mounting plate at the rear end, a left mounting lath, a right mounting lath, a left cushion block and a right cushion block. The right end of the left installation batten is fixedly connected with the small base plate, the left end of the left installation batten is fixedly connected with the left cushion block, the left end of the right installation batten is fixedly connected with the small base plate, the right end of the right installation batten is fixedly connected with the right cushion block, and the left cushion block and the right cushion block are fixedly connected with the upper flat plate body. The guide rail and the cylinder of the left slider guide rail pair are fixed on the left mounting lath, and the guide rail of the right slider guide rail pair is fixed on the right mounting lath. The lower end of the cylinder body of the pressing cylinder is fixedly connected with the cylinder mounting plate, the pressing plate connecting piece is Z-shaped, and the front end of the pressing plate connecting piece is lower than the rear end of the pressing plate connecting piece. This preferred scheme, big base plate, little base plate, benchmark board, left installation lath, right installation lath, left cushion, right cushion all link together with corresponding bolted connection structure and corresponding component and form new dull and stereotyped structure, and overall adjustment, installation are easy, and structural rationality is high. Preferably, the upper end of the frame is provided with a vehicle sunshade handrail placing plate, and the vehicle sunshade handrail placing plate is fixed on a fixing seat fixed with the upper end of the frame. Further preferably, the corresponding automobile sun-shading curtain handrails to be processed and processed are conveniently and quickly taken and placed.
Preferably, the rack is also provided with a guardrail. The optimal selection scheme can effectively improve the safety.
Preferably, the lower end of the frame is provided with a rolling caster and an adjustable supporting leg.
To sum up, the utility model discloses can effectively improve the drilling of car sunshade screen handrail and the work efficiency of chamfer operation, avoid appearing the product because of the problem of clamping fish tail product many times, overall structure is simple reasonable, and the operating efficiency is high.
Drawings
FIG. 1: the front view of the utility model is a schematic diagram;
FIG. 2: the top view of the utility model is schematically shown;
FIG. 3: the schematic plan view of the hydraulic drilling machine after being disassembled;
FIG. 4: the three-dimensional schematic diagram is shown after the hydraulic drilling machine is disassembled;
in the figure: the device comprises a rack 1, a large substrate 1.1, a small substrate 1.2, a reference plate 1.3, a cylinder mounting plate 1.4, a left mounting lath 1.5, a right mounting lath 1.6, a left cushion block 1.7, a right cushion block 1.8, a fixing seat 1.9, a guardrail 1.10, a rolling caster 1.11, an adjustable supporting leg 1.12, a stop block 1.13, a hydraulic station 2, an electric appliance cabinet 3, a left jig assembly 4, a left jig seat 4.1, a left Y-direction cylinder 4.2, a left top column 4.3, a left push rod 4.4, a right jig assembly 5, a right jig seat 5.1, a right Y-direction cylinder 5.2, a right top column 5.3, a sliding block guide rail pair 6, a cylinder 7, a supporting assembly 8, a mounting block 8.1, a supporting block 8.2, a positioning groove 8.3, a material leakage hole 8.4, a pressing assembly 9, a pressing plate 9.1, a pressing plate connecting piece 9.2, a pressing cylinder 9.3, a guide hole 9.4, a hydraulic drilling machine, a multi.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
As shown in fig. 1-4, the utility model discloses a frame 1, hydraulic pressure station 2, electrical cabinet 3, left tool subassembly 4, right tool subassembly 5, the vice 6 of slider guide rail, cylinder 7, supporting component 8, compress tightly subassembly 9, hydraulic drilling machine 10, burring subassembly 11. An upper flat plate and a lower flat plate are arranged on the frame 1. The upper end of the frame 1 is provided with a sunshade handrail placement plate, not shown in the figure, for preventing sunshade handrail of the vehicle, which is fixed on a fixing seat 1.9 fixed with the upper end of the frame 1. The upper end of the frame 1 is also provided with a guardrail 1.10. The upper flat plate comprises an upper flat plate body, a large base plate 1.1 fixedly arranged on the upper flat plate body, a small base plate 1.2 fixedly arranged on the large base plate 1.1, a reference plate 1.3 (used for accurately positioning the mounting position of the supporting component 8) fixed at the front end of the small base plate 1.2, and a cylinder mounting plate 1.4 at the rear end, and further comprises a left mounting lath 1.5, a right mounting lath 1.6, a left cushion block 1.7 and a right cushion block 1.8. The right end of the left installation lath 1.5 is fixedly connected with the front end of the small substrate 1.2, the left end of the left installation lath is fixedly connected with the left cushion block 1.7, the left end of the right installation lath 1.6 is fixedly connected with the front end of the small substrate 1.2, the right end of the right installation lath is fixedly connected with the right cushion block 1.8, and the left cushion block 1.7 and the right cushion block 1.8 are fixedly connected with the upper flat plate body. The left jig component 4 comprises a left jig seat 4.1, a left Y-direction cylinder 4.2, a left top column 4.3 and a left push rod 4.4; the right jig component 5 comprises a right jig seat 5.1, a right Y-direction cylinder 5.2 and a right top column 5.3; the hydraulic station 2 and the electric appliance cabinet 3 are arranged on the lower flat plate; the guide rails of the left and right slide block guide rail pairs 6 are respectively fixedly arranged on the left installation lath 1.5 and the right installation lath 1.6, the slide block on the right side is fixedly connected with the corresponding guide rail, the fixedly connected position of the slide block on the right side is adjustable between the stop blocks 1.13 fixed on the right installation lath 1.6, and the slide block on the left side is connected with the corresponding guide rail in a sliding way. The left and right jig seats 4.1 and 5.1 are fixedly connected with corresponding sliding blocks respectively, the air cylinder 7 is fixedly arranged on the left mounting lath 1.5 and positioned on the left side of the left sliding block, and a piston of the air cylinder 7 is connected with the left push rod 4.4 through an intermediate connecting piece which is not shown in the figure. A supporting component 8 for supporting the middle part of the automobile sunshade curtain handrail 12 and a pressing component 9 for pressing the middle part of the automobile sunshade curtain handrail 12 are arranged between the left and the right jig components 4 and 5. The supporting component 8 comprises a mounting block 8.1 and a supporting block 8.2; the upper ends of the supporting block 8.2 and the mounting block 8.1 are fixedly connected to form an L shape, the supporting block 8.2 is provided with a positioning groove 8.3 matched with the handrail of the sun-shading curtain, the two supporting components 8 are fixed on the upper flat plate in a bilateral symmetry manner, and the bottom of the positioning groove 8.3 is provided with a material leaking hole 8.4. Preferably, the upper end and the lower end of the mounting block 8.1 are connected to form an L shape, the supporting block 8.2 is fixedly connected with the upper end of the mounting block 8.1, and correspondingly, the upper end of the mounting block 8.1 is provided with a lower material leakage hole which is coaxial with the material leakage hole 8.4. The pressing assembly 9 comprises a pressing plate 9.1, two pressing plate connecting pieces 9.2 and two pressing cylinders 9.3. The pressure plate connecting piece 9.2 is Z-shaped, and the front end of the pressure plate connecting piece 9.2 is lower than the rear end of the pressure plate connecting piece 9.2. The left end and the right end of a pressing plate 9.1 are fixedly connected with the front end of a pressing plate connecting piece 9.2 respectively, the rear end of the pressing plate connecting piece 9.2 is fixedly connected with the free end of a piston of a pressing cylinder 9.3, the lower end of a cylinder body of the pressing cylinder 9.3 is fixedly connected with a cylinder mounting plate 1.4, the pressing plate 9.1 is positioned right above a supporting block 8.2, and a guide hole 9.4 coaxial with a material leakage hole 8.4 is arranged on the pressing plate 9.1. The pressing cylinder 9.3 pushes the pressing plate 9.1 to move up and down at proper time to press or release the pressing on the handrail of the sun-shading curtain. Wherein, the lower plate surface of the pressure plate 9.1 is provided with a pressing bulge at the position corresponding to the positioning groove 8.3. The hydraulic drilling machine 10 is connected with the hydraulic station 2; the lower end of a vertical column 10.1 of a hydraulic drilling machine 10 and an upper flat plate are fixedly connected to the rear of a pressing component 9, a multi-shaft device 10.2 of the drilling machine 10 is positioned above the pressing component 9, two drilling tools 10.3 are fixed on the multi-shaft device 10.2, and the axes of the two drilling tools 10.3 are coaxial with a guide hole 9.4. The deburring component 11 comprises a power head, a reamer and a lower multi-axis device. The deburring component 11 is arranged on the lower flat plate, the lower end of the lower multi-shaft device is connected with the power head, the lower ends of the two reamers are connected with the upper end of the lower multi-shaft device, the axes of the two reamers are respectively superposed with the axis of one material leaking hole 8.4, and the upper flat plate is provided with a lower material leaking hole which is coaxial with the reamers and is more than three times larger than the diameter of the reamers; the power head drives the lower multi-axis device to move up and down and rotate, and the lower multi-axis device drives the reamer to rotate. Preferably, the reamer is provided with a waste receiving tray, not shown, at the connection point between the reamer and the lower multi-axis tool.
Preferably, the lower end of the frame 1 is provided with a rolling caster 1.11 and an adjustable supporting foot 1.12.
In the above embodiments, some simple structural details, well-known structural details, and some interrelationships and operational actions are not described in detail because they are simple or well-known technologies. The above embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Indeed, many equivalent variations in the shapes, constructions and design objectives of the devices according to the present invention are possible. Therefore, all equivalent changes made in the shape, structure and design objectives of the present invention should be considered within the scope of the present invention, i.e. all equivalent changes should be protected by the present invention.
Claims (8)
1. A special drilling machine for automobile sunshade curtain handrails comprises a rack (1), a hydraulic station (2), an electric appliance cabinet (3), a left jig assembly (4), a right jig assembly (5), a slide block guide rail pair (6), a cylinder (7), a supporting assembly (8), a pressing assembly (9) and a hydraulic drilling machine (10); the method is characterized in that:
an upper flat plate and a lower flat plate are arranged on the frame; the left jig component comprises a left jig seat (4.1), a left Y-direction cylinder (4.2), a left top column (4.3) and a left push rod (4.4); the right jig component comprises a right jig seat (5.1), a right Y-direction cylinder (5.2) and a right top column (5.3); the hydraulic station and the electric appliance cabinet are arranged on the lower flat plate; the guide rails of the left and right slide block guide rail pairs are fixedly arranged on the left and right sides of the front part of the upper flat plate respectively, the right slide block is fixedly connected with the corresponding guide rail, and the left slide block is connected with the corresponding guide rail in a sliding manner;
the left and right jig seats are fixedly connected with corresponding sliding blocks respectively, the air cylinder is fixedly arranged on the upper flat plate and positioned on the left side of the left sliding block, and a piston of the air cylinder is connected with the left push rod; the supporting component and the pressing component are arranged between the left jig component and the right jig component;
the supporting component comprises a mounting block (8.1) and a supporting block (8.2); the upper ends of the supporting block and the mounting block are fixedly connected to form an L shape, the supporting block is provided with a positioning groove (8.3) matched with the handrail of the sun-shading curtain, the two supporting components are fixed on the upper flat plate in a bilateral symmetry manner, and the bottom of the positioning groove is provided with a material leaking hole;
the pressing assembly comprises a pressing plate (9.1), two pressing plate connecting pieces (9.2) and two pressing cylinders (9.3); the left end and the right end of the pressing plate are fixedly connected with the front end of a pressing plate connecting piece respectively, the rear end of the pressing plate connecting piece is fixedly connected with the free end of a piston of the pressing cylinder, the lower end of a cylinder body of the pressing cylinder is fixedly connected with the upper flat plate, the pressing plate is positioned right above the supporting block, and a guide hole (9.4) coaxial with the material leakage hole is formed in the pressing plate;
the hydraulic drilling machine is connected with the hydraulic station; the lower extreme and the last flat board of hydraulic drilling machine's stand (10.1) link firmly in the rear that compresses tightly the subassembly, and multiaxis ware (10.2) of drilling machine are located the top that compresses tightly the subassembly, are fixed with two drilling tool (10.3) on the multiaxis ware, and the axis of two drilling tool respectively is coaxial with the guiding hole of one.
2. The special drilling machine for the handrail of the sun-shading curtain of the automobile as claimed in claim 1, wherein: the upper end and the lower end of the mounting block (8.1) are connected to form an L shape, the supporting block (8.2) is fixedly connected with the upper end of the mounting block (8.1), and correspondingly, the upper end of the mounting block (8.1) is provided with a lower material leakage hole which is coaxial with the material leakage hole (8.4).
3. The special drilling machine for the handrail of the sun-shading curtain of the automobile as claimed in claim 1, wherein: the deburring device also comprises a deburring component (11), wherein the deburring component (11) comprises a power head, a reamer and a lower multi-axis device; the deburring component (11) is arranged on the lower flat plate, the lower end of the lower multi-axis device is connected with the power head, the lower ends of the two reamers are connected with the upper end of the lower multi-axis device, the axes of the two reamers are respectively superposed with the axis of one material leaking hole (8.4), and the upper flat plate is provided with a lower material leaking hole which is coaxial with the reamers and is more than three times larger than the diameter of the reamers; the power head drives the lower multi-axis device to move up and down and rotate, and the lower multi-axis device drives the reamer to rotate.
4. The special drilling machine for the handrail of the sun-shading curtain of the automobile as claimed in claim 3, wherein: the reamer is provided with a waste receiving tray at the connecting part of the reamer and the lower multi-shaft device.
5. The special drilling machine for the handrail of the sun-shading curtain of the automobile as claimed in claim 1, wherein: the upper flat plate comprises an upper flat plate body, a large base plate (1.1) fixedly arranged on the upper flat plate body, a small base plate (1.2) fixedly arranged on the large base plate (1.1), a reference plate (1.3) fixedly arranged at the front end of the small base plate (1.2), a cylinder mounting plate (1.4) at the rear end, a left mounting lath (1.5), a right mounting lath (1.6), a left cushion block (1.7) and a right cushion block (1.8); the right end of the left mounting lath (1.5) is fixedly connected with the small substrate (1.2), the left end of the left mounting lath is fixedly connected with the left cushion block (1.7), the left end of the right mounting lath (1.6) is fixedly connected with the small substrate (1.2), the right end of the right mounting lath is fixedly connected with the right cushion block (1.8), and the left cushion block (1.7) and the right cushion block (1.8) are fixedly connected with the upper flat plate body; the guide rail and the cylinder (7) of the left slider guide rail pair (6) are fixed on the left mounting lath (1.5), and the guide rail of the right slider guide rail pair (6) is fixed on the right mounting lath (1.6); the lower end of the cylinder body of the pressing cylinder (9.3) is fixedly connected with the cylinder mounting plate (1.4), the pressing plate connecting piece (9.2) is Z-shaped, and the front end of the pressing plate connecting piece (9.2) is lower than the rear end of the pressing plate connecting piece (9.2).
6. The special drilling machine for the handrail of the sun-shading curtain of the automobile as claimed in claim 5, wherein: the upper end of the rack (1) is provided with an automobile sunshade curtain handrail placing plate, and the automobile sunshade curtain handrail placing plate is fixed on a fixing seat (1.9) fixed with the upper end of the rack (1).
7. The special drilling machine for the handrail of the sun-shading curtain of the automobile as claimed in claim 1, wherein: the rack (1) is also provided with a guardrail (1.10).
8. The special drilling machine for the handrail of the sun-shading curtain of the automobile as claimed in claim 1, wherein: the lower end of the frame (1) is provided with a rolling caster (1.8) and an adjustable supporting leg (1.12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921010537.0U CN210632968U (en) | 2019-07-01 | 2019-07-01 | Special machine for drilling automobile sunshade curtain handrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921010537.0U CN210632968U (en) | 2019-07-01 | 2019-07-01 | Special machine for drilling automobile sunshade curtain handrail |
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| Publication Number | Publication Date |
|---|---|
| CN210632968U true CN210632968U (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921010537.0U Active CN210632968U (en) | 2019-07-01 | 2019-07-01 | Special machine for drilling automobile sunshade curtain handrail |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355399A (en) * | 2019-07-01 | 2019-10-22 | 宁波裕民机械工业有限公司 | A kind of automobile sun-shade-curtain handrail Special machine for drilling |
-
2019
- 2019-07-01 CN CN201921010537.0U patent/CN210632968U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355399A (en) * | 2019-07-01 | 2019-10-22 | 宁波裕民机械工业有限公司 | A kind of automobile sun-shade-curtain handrail Special machine for drilling |
| CN110355399B (en) * | 2019-07-01 | 2024-03-22 | 宁波裕民机械工业有限公司 | Drilling machine special for automobile sunshade curtain handrail |
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