CN212385175U - Pipe orifice polishing equipment for automobile air inlet pipe - Google Patents
Pipe orifice polishing equipment for automobile air inlet pipe Download PDFInfo
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- CN212385175U CN212385175U CN202020972406.7U CN202020972406U CN212385175U CN 212385175 U CN212385175 U CN 212385175U CN 202020972406 U CN202020972406 U CN 202020972406U CN 212385175 U CN212385175 U CN 212385175U
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Abstract
The utility model discloses an equipment of polishing of mouth of pipe of car intake pipe, including bottom plate, pneumatic cylinder one, loading board, pneumatic cylinder two, movable plate, pneumatic cylinder three, fastening block, roof, motor and wheel of polishing, its characterized in that: the base plate is arranged on the support, the first hydraulic cylinder is arranged on the back face of the base plate, the bearing plate is arranged on the first piston rod, the second hydraulic cylinder is arranged on the vertical plate, the back face of the moving plate is provided with a sliding block, the third hydraulic cylinder is arranged on the fixed plate, the fastening block is connected with the third piston rod, the motor is arranged on the top plate, and the polishing wheel is arranged on the transmission shaft through the mounting ring. The utility model discloses seted up fastening groove on the fastening block, the car intake pipe that will need the mouth of pipe to polish is vertical places at the fastening inslot, makes the fastening block carry out the centre gripping to it from the relative both sides of car intake pipe, improves the stability of car intake pipe at the mouth of pipe in-process of polishing, strengthens the mouth of pipe quality of polishing of car intake pipe.
Description
Technical Field
The utility model relates to a car intake pipe processing technology field specifically is a mouth of pipe equipment of polishing of car intake pipe.
Background
In the car intake pipe manufacturing process, the mouth of pipe of car intake pipe can produce the burr because of the cutting, in order to improve the product quality of car intake pipe, need polish the mouth of pipe of car intake pipe and handle, like application number 201920508526.9's patent has announced a mouth of pipe grinding device of car intake pipe, it has solved the problem of the inefficiency of polishing, but it has the car intake pipe not high, application scope is little, the not high problem of quality of polishing of car intake pipe mouth of pipe at the in-process stability of polishing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that the automobile intake pipe that current automobile intake pipe mouth of pipe grinding device exists is not high at the in-process stability of polishing, application scope is little, the automobile intake pipe mouth of pipe not high of quality of polishing, provides a structural design is reasonable, the automobile intake pipe is polishing the in-process stability good, application scope is wide, the automobile intake pipe mouth of pipe of quality high of polishing the mouth of pipe equipment of polishing.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides an equipment of polishing of mouth of pipe of car intake pipe, includes bottom plate, pneumatic cylinder one, loading board, pneumatic cylinder two, movable plate, pneumatic cylinder three, fastening block, roof, motor and wheel of polishing, its characterized in that: the base plate is arranged on the support, the upright post is vertically arranged on the base plate, the base plate is connected with the support and the upright post through welding, the connecting strength between the base plate and the support and the upright post is enhanced, the structural strength of the polishing equipment is improved, the first hydraulic cylinder is arranged on the back surface of the base plate, the first hydraulic cylinder is arranged on the first piston rod, the first piston rod vertically extends out from the upper part of the base plate, the first hydraulic cylinder is arranged on the base plate through bolts, the mounting efficiency and the mounting stability of the first hydraulic cylinder are improved, the working stability of the first hydraulic cylinder is enhanced, the bearing plate is arranged on the first piston rod, a slide rail and a vertical plate are arranged on the bearing plate, the second hydraulic cylinder is arranged on the vertical plate, the second piston rod is arranged on the second hydraulic cylinder, the second piston rod is arranged in parallel to the slide rail, and a slide, the movable plate is vertically provided with a fixed plate, the sliding block is clamped on the sliding rail, a transverse sliding rod is arranged between the fixed plate and the fixed plate, the hydraulic cylinder III is arranged on the fixed plate, the hydraulic cylinder III is provided with a piston rod III, the piston rod III is arranged in parallel with the sliding rod, the fastening block is connected with the piston rod III, the top plate is arranged on the upright post, the motor is arranged on the top plate, the motor is provided with a transmission shaft, the transmission shaft vertically extends out from the lower part of the top plate, the polishing wheel is arranged on the transmission shaft through a mounting ring, an automobile air inlet pipe needing pipe opening polishing is vertically placed in the fastening groove, the fastening block clamps the automobile air inlet pipe from two opposite sides of the automobile air inlet pipe, the stability of the automobile air inlet pipe in the pipe opening polishing process is improved, the first hydraulic cylinder and the first piston rod push the bearing plate to rise, so that, the pipe orifice of the automobile air inlet pipe is polished, the movable plate moves back and forth along the sliding rail under the action of the hydraulic cylinder II and the piston rod II, and the movable plate drives the automobile air inlet pipe to move along the sliding rail, so that the automobile air inlet pipes are sequentially contacted with polishing wheels, the pipe orifice polishing efficiency of the automobile air inlet pipe is improved, and the labor intensity of operators is reduced.
Preferably, the movable plate is connected with the second piston rod, the movable plate is arranged to be in a structure that the movable plate moves back and forth along the sliding rail through the sliding block under the action of the second hydraulic cylinder and the second piston rod, the movable plate moves back and forth along the sliding rail under the action of the second hydraulic cylinder and the second piston rod, the third hydraulic cylinder and the third piston rod push the fastening block to move along the sliding rod, the fastening block is clamped from two opposite sides of the automobile air inlet pipe, the stability of the automobile air inlet pipe in the pipe orifice polishing process is improved, the movable plate drives the automobile air inlet pipe to move along the sliding rail, the automobile air inlet pipes are sequentially contacted with polishing wheels, the pipe orifice polishing efficiency of the automobile air inlet pipe is.
Preferably, the fastening block on seted up the fastening groove, the automobile intake pipe that will need the mouth of pipe to polish is vertical places at the fastening inslot, makes the fastening block carry out the centre gripping to it from the relative both sides of automobile intake pipe, improves the stability of automobile intake pipe at the mouth of pipe in-process of polishing, the mouth of pipe quality of polishing of reinforcing automobile intake pipe.
Preferably, the fastening block on be provided with the slide cartridge, and with the slide bar traversing slide cartridge, pneumatic cylinder three, three promotion fastening blocks of piston rod move along the slide bar, make by the car intake pipe of centre gripping between fastening block and fastening block can move along the slide bar, the mouth of pipe and the wheel of polishing of the car intake pipe of being convenient for fully contact, fully polish the mouth of pipe of car intake pipe, improve the efficiency of polishing and the quality of polishing of car intake pipe, through the slide bar, the slide cartridge plays limiting displacement's fastening block, improve the stability of car intake pipe at the removal in-process, further strengthen the quality of polishing of car intake pipe.
Preferably, the grinding wheel is arranged to be a structure capable of being replaced on the transmission shaft through the mounting ring, the mounting ring on the grinding wheel is connected with the transmission shaft through threads, the mounting efficiency of the grinding wheel on the transmission shaft can be improved, the grinding wheel can be replaced conveniently, the stability of the grinding wheel on the transmission shaft is enhanced, the corresponding grinding wheel is selected according to the grinding requirement of the mouth of the automobile air inlet pipe, the grinding quality of the mouth of the automobile air inlet pipe is improved, the application range of grinding equipment can be expanded, and the cost for manufacturing a plurality of sets of grinding equipment is reduced.
Has the advantages that: the utility model discloses be connected movable plate and piston rod two, and set up the movable plate into at pneumatic cylinder two, the structure of slider along slide rail round trip movement is passed through to the effect of piston rod two, the movable plate is at pneumatic cylinder two, along slide rail round trip movement under the effect of piston rod two, pneumatic cylinder three, three promotion fastening blocks of piston rod move along the slide bar, make the fastening block carry out the centre gripping to it from the relative both sides of car intake pipe, improve the stability of car intake pipe at the mouth of pipe in-process of polishing, the movable plate drives car intake pipe and moves along the slide rail, make a plurality of car intake pipes in proper order with the wheel contact of polishing, the mouth of pipe efficiency of polishing of car intake pipe is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the second hydraulic cylinder and the moving plate.
Fig. 3 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the fastening block and the fastening groove.
Fig. 4 is a schematic diagram of another embodiment of the present invention.
In the figure: 1. the hydraulic press comprises a bottom plate, a first hydraulic cylinder, a second hydraulic cylinder, a first bearing plate, a second hydraulic cylinder, a moving plate, a first hydraulic cylinder, a third hydraulic cylinder, a fastening block, a top plate, a motor, a grinding wheel, a bracket, a support, a column 12, an upright post, a piston rod I, a slide rail, a vertical plate, a piston rod II, a slide block 17, a sliding block 18, a fixing plate, a slide rod 19, a piston rod III, a piston rod 21, a fastening groove, a sliding barrel 22, a transmission shaft 23, a mounting ring 24 and a limiting ring 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The first embodiment is as follows:
as shown in fig. 1-3, a mouth of pipe equipment of polishing of car intake pipe, includes bottom plate 1, pneumatic cylinder 2, loading board 3, pneumatic cylinder two 4, movable plate 5, pneumatic cylinder three 6, fastening block 7, roof 8, motor 9 and wheel 10 of polishing, its characterized in that: the base plate 1 is arranged on the support 11, the upright post 12 is vertically arranged on the base plate 1, the base plate 1 is connected with the support 11 and the upright post 12 through welding, the connection strength between the base plate 1 and the support 11 and the upright post 12 is enhanced, the structural strength of the polishing equipment is improved, the hydraulic cylinder I2 is arranged on the back surface of the base plate 1, the hydraulic cylinder I2 is arranged on the piston rod I13, the piston rod I13 vertically extends out from the upper part of the base plate 1, the hydraulic cylinder I2 is arranged on the base plate 1 through a bolt, the installation efficiency and the stability after installation of the hydraulic cylinder I2 are improved, the stability of the hydraulic cylinder I2 in the working process is enhanced, the bearing plate 3 is arranged on the piston rod I13, the sliding rail 14 and the upright plate 15 are arranged on the bearing plate 3, the hydraulic cylinder II 4 is arranged on the upright plate 15, the piston rod II 16 is arranged on the, a second piston rod 16 is arranged in parallel with a slide rail 14, a slide block 17 is arranged on the back of the movable plate 5, a fixed plate 18 is vertically arranged on the movable plate 5, the slide block 17 is clamped on the slide rail 14, a transverse slide rod 19 is arranged between the fixed plate 18 and the fixed plate 18, a third hydraulic cylinder 6 is arranged on the fixed plate 18, a third piston rod 20 is arranged on the third hydraulic cylinder 6, the third piston rod 20 and the slide rod 19 are arranged in parallel, the fastening block 7 is connected with the third piston rod 20, the top plate 8 is arranged on an upright post 12, the motor 9 is arranged on the top plate 8, a transmission shaft 23 is arranged on the motor 9, the transmission shaft 23 vertically extends out from the lower part of the top plate 8, the polishing wheel 10 is arranged on the transmission shaft 23 through a mounting ring 24, an automobile air inlet pipe needing pipe polishing is vertically placed in the fastening groove 21, so that the fastening block 7 clamps the automobile air inlet pipe from two opposite sides, the stability of car intake pipe in the mouth of pipe in the process of polishing is improved, pneumatic cylinder one 2, piston rod one 13 promotes loading board 3 and rises, make the mouth of pipe of car intake pipe and polish round 10 contacts, the mouth of pipe to the car intake pipe is polished and is handled, movable plate 5 is at pneumatic cylinder two 4, along 14 round trip movement of slide rail under the effect of piston rod two 16, movable plate 5 drives the car intake pipe and removes along 14 slide rails, make a plurality of car intake pipes contact with wheel 10 of polishing in proper order, the mouth of pipe efficiency of polishing of car intake pipe is improved, operating personnel's intensity of labour has been reduced.
Preferably, the movable plate 5 is connected with the second piston rod 16, the movable plate 5 is arranged to be in a structure capable of moving back and forth along the sliding rail 14 through the sliding block 17 under the action of the second hydraulic cylinder 4 and the second piston rod 16, the movable plate 5 moves back and forth along the sliding rail 14 under the action of the second hydraulic cylinder 4 and the second piston rod 16, the third hydraulic cylinder 6 and the third piston rod 20 push the fastening block 7 to move along the sliding rod 19, the fastening block 7 is clamped from two opposite sides of the automobile air inlet pipe, the stability of the automobile air inlet pipe in the pipe orifice polishing process is improved, the movable plate 5 drives the automobile air inlet pipe to move along the sliding rail 14, the automobile air inlet pipes are sequentially contacted with the polishing wheel 10, the pipe orifice polishing efficiency of the automobile air inlet pipe is improved.
Preferably, the fastening block 7 on seted up fastening groove 21, the automobile intake pipe that will need the mouth of pipe to polish is vertical places in fastening groove 21, makes fastening block 7 carry out the centre gripping to it from the relative both sides of automobile intake pipe, improves the stability of automobile intake pipe at the mouth of pipe in-process of polishing, the reinforcing quality of polishing of the mouth of pipe of automobile intake pipe.
Preferably, the fastening block 7 on be provided with slide cylinder 22, and pass slide bar 19 horizontal slide cylinder 22, pneumatic cylinder three 6, piston rod three 20 promote fastening block 7 and remove along slide bar 19, make by the car intake pipe of centre gripping between fastening block 7 and fastening block 7 can remove along slide bar 19, be convenient for the mouth of pipe of car intake pipe and polish wheel 10 abundant contact, fully polish the mouth of pipe of car intake pipe, improve the efficiency and the quality of polishing of car intake pipe, through slide bar 19, slide cylinder 22 plays limiting displacement's fastening block 7, improve the stability of car intake pipe at the removal in-process, further strengthen the quality of polishing of car intake pipe.
Preferably, the polishing wheel 10 is arranged to be a structure capable of being replaced on the transmission shaft 23 through the mounting ring 24, the mounting ring 24 on the polishing wheel 10 is connected with the transmission shaft 23 through threads, the mounting efficiency of the polishing wheel 10 on the transmission shaft 23 can be improved, the polishing wheel 10 can be replaced conveniently, the stability of the polishing wheel 10 on the transmission shaft 23 is enhanced, the corresponding polishing wheel 10 is selected according to the polishing requirement of the automobile air inlet pipe orifice, the polishing quality of the automobile air inlet pipe orifice is improved, the application range of polishing equipment can be expanded, and the cost for manufacturing multiple sets of polishing equipment is reduced.
Example two:
as shown in the attached figure 4, the pipe orifice polishing equipment for the automobile air inlet pipe comprises a bottom plate 1, a first hydraulic cylinder 2, a bearing plate 3, a second hydraulic cylinder 4, a moving plate 5, a third hydraulic cylinder 6, a fastening block 7, a top plate 8, a motor 9 and a polishing wheel 10, and is characterized in that: the base plate 1 is arranged on the support 11, the upright post 12 is vertically arranged on the base plate 1, the base plate 1 is connected with the support 11 and the upright post 12 through welding, the connection strength between the base plate 1 and the support 11 and the upright post 12 is enhanced, the structural strength of the polishing equipment is improved, the hydraulic cylinder I2 is arranged on the back surface of the base plate 1, the hydraulic cylinder I2 is arranged on the piston rod I13, the piston rod I13 vertically extends out from the upper part of the base plate 1, the hydraulic cylinder I2 is arranged on the base plate 1 through a bolt, the installation efficiency and the stability after installation of the hydraulic cylinder I2 are improved, the stability of the hydraulic cylinder I2 in the working process is enhanced, the bearing plate 3 is arranged on the piston rod I13, the sliding rail 14 and the upright plate 15 are arranged on the bearing plate 3, the hydraulic cylinder II 4 is arranged on the upright plate 15, the piston rod II 16 is arranged on the, a second piston rod 16 is arranged in parallel with a slide rail 14, a slide block 17 is arranged on the back of the movable plate 5, a fixed plate 18 is vertically arranged on the movable plate 5, the slide block 17 is clamped on the slide rail 14, a transverse slide rod 19 is arranged between the fixed plate 18 and the fixed plate 18, a third hydraulic cylinder 6 is arranged on the fixed plate 18, a third piston rod 20 is arranged on the third hydraulic cylinder 6, the third piston rod 20 and the slide rod 19 are arranged in parallel, the fastening block 7 is connected with the third piston rod 20, the top plate 8 is arranged on an upright post 12, the motor 9 is arranged on the top plate 8, a transmission shaft 23 is arranged on the motor 9, the transmission shaft 23 vertically extends out from the lower part of the top plate 8, the polishing wheel 10 is arranged on the transmission shaft 23 through a mounting ring 24, an automobile air inlet pipe needing pipe polishing is vertically placed in the fastening groove 21, so that the fastening block 7 clamps the automobile air inlet pipe from two opposite sides, the stability of car intake pipe in the mouth of pipe in the process of polishing is improved, pneumatic cylinder one 2, piston rod one 13 promotes loading board 3 and rises, make the mouth of pipe of car intake pipe and polish round 10 contacts, the mouth of pipe to the car intake pipe is polished and is handled, movable plate 5 is at pneumatic cylinder two 4, along 14 round trip movement of slide rail under the effect of piston rod two 16, movable plate 5 drives the car intake pipe and removes along 14 slide rails, make a plurality of car intake pipes contact with wheel 10 of polishing in proper order, the mouth of pipe efficiency of polishing of car intake pipe is improved, operating personnel's intensity of labour has been reduced.
Preferably, the movable plate 5 is connected with the second piston rod 16, the movable plate 5 is arranged to be in a structure capable of moving back and forth along the sliding rail 14 through the sliding block 17 under the action of the second hydraulic cylinder 4 and the second piston rod 16, the movable plate 5 moves back and forth along the sliding rail 14 under the action of the second hydraulic cylinder 4 and the second piston rod 16, the third hydraulic cylinder 6 and the third piston rod 20 push the fastening block 7 to move along the sliding rod 19, the fastening block 7 is clamped from two opposite sides of the automobile air inlet pipe, the stability of the automobile air inlet pipe in the pipe orifice polishing process is improved, the movable plate 5 drives the automobile air inlet pipe to move along the sliding rail 14, the automobile air inlet pipes are sequentially contacted with the polishing wheel 10, the pipe orifice polishing efficiency of the automobile air inlet pipe is improved.
Preferably, the fastening block 7 on seted up fastening groove 21, the automobile intake pipe that will need the mouth of pipe to polish is vertical places in fastening groove 21, makes fastening block 7 carry out the centre gripping to it from the relative both sides of automobile intake pipe, improves the stability of automobile intake pipe at the mouth of pipe in-process of polishing, the reinforcing quality of polishing of the mouth of pipe of automobile intake pipe.
Preferably, the fastening block 7 on be provided with slide cylinder 22, and pass slide bar 19 horizontal slide cylinder 22, pneumatic cylinder three 6, piston rod three 20 promote fastening block 7 and remove along slide bar 19, make by the car intake pipe of centre gripping between fastening block 7 and fastening block 7 can remove along slide bar 19, be convenient for the mouth of pipe of car intake pipe and polish wheel 10 abundant contact, fully polish the mouth of pipe of car intake pipe, improve the efficiency and the quality of polishing of car intake pipe, through slide bar 19, slide cylinder 22 plays limiting displacement's fastening block 7, improve the stability of car intake pipe at the removal in-process, further strengthen the quality of polishing of car intake pipe.
Preferably, the polishing wheel 10 is arranged to be a structure capable of being replaced on the transmission shaft 23 through the mounting ring 24, the mounting ring 24 on the polishing wheel 10 is connected with the transmission shaft 23 through threads, the mounting efficiency of the polishing wheel 10 on the transmission shaft 23 can be improved, the polishing wheel 10 can be replaced conveniently, the stability of the polishing wheel 10 on the transmission shaft 23 is enhanced, the corresponding polishing wheel 10 is selected according to the polishing requirement of the automobile air inlet pipe orifice, the polishing quality of the automobile air inlet pipe orifice is improved, the application range of polishing equipment can be expanded, and the cost for manufacturing multiple sets of polishing equipment is reduced.
Preferably, loading board 3 on be provided with the spacing ring 25 to vertically pass the spacing ring 25 with stand 12, loading board 3 reciprocates under pneumatic cylinder one 2, piston rod 13's effect, spacing ring 25 reciprocates along stand 12, make stand 12, spacing ring 25 play limiting displacement to the loading board 3 that reciprocates the in-process, avoid loading board 3 to rise or descend the in-process and take place to rock, and then improve the stability of car intake pipe at the mouth of pipe in-process of polishing, the mouth of pipe quality of polishing of reinforcing car ventilation pipe.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (5)
1. The utility model provides an equipment of polishing of mouth of pipe of car intake pipe, includes bottom plate, pneumatic cylinder one, loading board, pneumatic cylinder two, movable plate, pneumatic cylinder three, fastening block, roof, motor and wheel of polishing, its characterized in that: the bottom plate is arranged on the bracket, the upright post is vertically arranged on the bottom plate, the first hydraulic cylinder is arranged on the back surface of the bottom plate, the first hydraulic cylinder is arranged on the first piston rod, the first piston rod vertically extends out of the upper part of the bottom plate, the bearing plate is arranged on the first piston rod, a slide rail and a vertical plate are arranged on the bearing plate, the second hydraulic cylinder is arranged on the vertical plate, the second hydraulic cylinder is provided with a second piston rod, the second piston rod is arranged in parallel with the slide rail, the back surface of the movable plate is provided with a slide block, the movable plate is vertically provided with a fixed plate, the slide block is clamped on the slide rail, a transverse slide rod is arranged between the fixed plate and the fixed plate, the third hydraulic cylinder is arranged on the fixed plate, the third hydraulic cylinder is provided with a third piston rod, the third piston rod is arranged in parallel with the slide, the top plate is arranged on the stand column, the motor is arranged on the top plate, the motor is provided with a transmission shaft, the transmission shaft vertically extends out of the lower portion of the top plate, and the polishing wheel is arranged on the transmission shaft through the mounting ring.
2. The pipe orifice grinding device of the automobile air inlet pipe according to claim 1, characterized in that: the moving plate is connected with the second piston rod and is arranged to move back and forth along the sliding rail through the sliding block under the action of the second hydraulic cylinder and the second piston rod.
3. The pipe orifice grinding device of the automobile air inlet pipe according to claim 1, characterized in that: the fastening block is provided with a fastening groove.
4. The pipe orifice grinding device of the automobile air inlet pipe according to claim 1, characterized in that: the fastening block is provided with a sliding cylinder, and the sliding rod transversely penetrates through the sliding cylinder.
5. The pipe orifice grinding device of the automobile air inlet pipe according to claim 1, characterized in that: the grinding wheel is arranged to be a structure which can be replaced on the transmission shaft through the mounting ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020972406.7U CN212385175U (en) | 2020-06-02 | 2020-06-02 | Pipe orifice polishing equipment for automobile air inlet pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020972406.7U CN212385175U (en) | 2020-06-02 | 2020-06-02 | Pipe orifice polishing equipment for automobile air inlet pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212385175U true CN212385175U (en) | 2021-01-22 |
Family
ID=74251640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020972406.7U Active CN212385175U (en) | 2020-06-02 | 2020-06-02 | Pipe orifice polishing equipment for automobile air inlet pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212385175U (en) |
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2020
- 2020-06-02 CN CN202020972406.7U patent/CN212385175U/en active Active
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