CN109894680B - Annular groove machining device for large rubber fender and application method of annular groove machining device - Google Patents
Annular groove machining device for large rubber fender and application method of annular groove machining device Download PDFInfo
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- CN109894680B CN109894680B CN201910205465.3A CN201910205465A CN109894680B CN 109894680 B CN109894680 B CN 109894680B CN 201910205465 A CN201910205465 A CN 201910205465A CN 109894680 B CN109894680 B CN 109894680B
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- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000005520 cutting process Methods 0.000 claims description 20
- 210000000078 claw Anatomy 0.000 claims description 14
- 230000001174 ascending effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention discloses an annular groove machining device for a large rubber fender and a use method thereof, the annular groove machining device comprises a machining base, the lower surface of the machining base is clamped on a sliding rail, the sliding rail is parallel to the horizontal rubber fender, the position of the machining base on the sliding rail is adjustable, sliding rail bars are symmetrically arranged on two sides of the upper surface of the machining base, a sliding seat is arranged between the two sliding rail bars, a pushing mechanism for adjusting the position of the sliding seat on the sliding rail bars is arranged at the rear end part of the sliding seat, a cutter fixing platform is fixed above the sliding seat, a U-shaped cutter for annular groove machining is arranged at the front end part of the cutter fixing platform, and the edge side of the U-shaped cutter is tightly attached to the outer wall of the rubber fender under the control of the pushing mechanism. The invention can ensure that the width, depth and interval of each annular groove on the rubber fender are consistent, improve the processing efficiency, ensure the production quality of the rubber fender, save time and labor, reduce the production cost, have ingenious structure and novel method, and have good application prospect.
Description
Technical Field
The invention relates to the technical field of fender components, in particular to an annular groove machining device for a large rubber fender and a use method of the annular groove machining device.
Background
The rubber fender is also called rubber fender, is arranged on a dock or a ship, is used for absorbing collision energy between the ship and the dock or during landing or mooring, protecting the ship and the dock from damage, and ensuring the stability and integrity of the ship body and the dock. In order to facilitate installation and use of the rubber fender, the rubber fender needs to be provided with an annular groove. However, because the rubber fender is large in diameter and heavy, the rubber fender is inconvenient to process and groove, and in addition, the length of the rubber fender is overlong, annular grooves are required to be processed at a plurality of positions on the outer wall of the rubber fender, at present, the rubber fender is manually grooved, time and labor are wasted, the manufacturing and processing cost is greatly increased, and the width and the depth of each annular groove cannot be kept consistent, so that the production quality of the rubber fender is greatly influenced.
Therefore, how to quickly and effectively realize the processing of the annular groove on the outer wall of the rubber fender is a problem which needs to be solved at present.
Disclosure of Invention
The invention aims to solve the problems that the time and the labor are wasted and the width and the depth of each annular groove cannot be kept consistent when the annular groove is formed in the conventional rubber fender. The annular groove processing device for the large rubber fender and the application method thereof can push the U-shaped cutter to move forwards in a stepping manner to process the annular groove in the self-rotation process of the rubber fender, and can randomly adjust the processing position of the annular groove on the outer wall of the rubber fender according to the requirement, so that the operation is convenient, the method is simple, the width, the depth and the distance of each annular groove on the rubber fender can be kept consistent, the processing efficiency is improved, the production quality of the rubber fender is ensured, the time and the labor are saved, the production cost is reduced, the structure is ingenious, the method is novel, and the application prospect is good.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
an annular groove processing device for a large rubber fender comprises a processing base, wherein the lower surface of the processing base is clamped on a sliding rail, the sliding rail is parallel to the lying rubber fender, the position of the processing base on the sliding rail is adjustable,
the two sides of the upper surface of the processing base are symmetrically provided with slide rails, a sliding seat is arranged between the two slide rails, the rear end part of the sliding seat is provided with a pushing mechanism for adjusting the position of the sliding seat on the slide rails,
a cutter fixing platform is fixed above the sliding seat, a U-shaped cutter for processing the annular groove is arranged at the front end part of the cutter fixing platform, the edge side of the U-shaped cutter is tightly attached to the outer wall of the rubber fender under the control of a pushing mechanism,
the utility model discloses a cutter fixing platform, including the fixed platform of cutter, be provided with the perpendicular ascending backup pad on the slide rail strip of cutter both sides respectively, support guiding mechanism is installed to the upper end of backup pad, support guiding mechanism hugs closely the outer wall setting of rubber fender for guarantee that U type cutter straight line follows the cutting and forms the ring channel.
The annular groove processing device for the large rubber fender comprises the pushing mechanism, the rotating screw rod and the rotating bearing sleeve, wherein the rotating bearing sleeve is fixed at the rear end part of the sliding seat, the rotating screw rod is nested in the rotating bearing sleeve, and the rotating handle is connected with the rear end part of the sliding seat through the rotating screw rod.
According to the annular groove machining device for the large rubber fender, the guide plate is arranged at the end part of the machining base, the guide rod is arranged at the rear end part of the sliding seat, and the guide rod penetrates through the guide plate.
The annular groove machining device for the large rubber fender comprises two groups of supporting claws and two V-shaped buffer units, wherein the bottoms of the two groups of supporting claws are respectively fixed on two side edges of the front end part of the sliding seat, and the two groups of V-shaped buffer units are respectively arranged on the upper parts of the supporting claws.
The V-shaped buffer unit comprises connecting blocks which are distributed up and down, wherein the two connecting blocks are distributed in a V shape and are fixed on the upper portions of supporting claws through movable rotating shafts, the angle between the two connecting blocks is adjustable, guide wheels are mounted at the front end portions of the two connecting blocks, the guide wheels are tightly attached to the outer wall of the rubber fender, a reset spring is arranged between the two connecting blocks, and the reset spring is used for resetting the two connecting blocks.
According to the annular groove processing device for the large rubber fender, the four groups of guide wheels are tightly attached to the outer wall of the rubber fender, and when the annular groove is processed, the opening angle of the two groups of guide wheels at the opposite side position is increased along with forward pushing of the sliding seat by the pushing mechanism, and the guide wheels can roll on the outer wall of the rubber fender.
According to the annular groove machining device for the large rubber fender, the front end part of the cutter fixing platform is fixed by the U-shaped cutter through the cutter clamp, the upper part of the transverse side edge of the U-shaped cutter is the cutting edge side, and the rubber fender rotates downwards along the cutting edge side of the transverse side edge of the U-shaped cutter.
The application method of the annular groove processing device for the large rubber fender comprises the following steps,
step (A), paving a sliding rail below one side of the rubber fender, wherein the sliding rail is parallel to the lying rubber fender;
step (B), the lower surface of a processing base of the annular groove processing device is clamped on a sliding rail;
step (C), adjusting the position of the processing base station on the sliding rail according to the requirement, and processing an annular groove at the position of the rubber fender;
step (D), pushing the sliding seat to move forward through the pushing mechanism, and enabling the edge side of the U-shaped cutter to be tightly attached to the outer wall of the rubber fender;
step (E), controlling the rubber fender to automatically rotate downwards along the edge side of the transverse side edge of the U-shaped cutter, and processing an annular groove on the rubber fender by the U-shaped cutter;
step (F), in the process of cutting the rubber fender by the U-shaped cutter, pushing the sliding seat to move forward by the pushing mechanism, ensuring that the edge side of the U-shaped cutter clings to the outer wall of the rubber fender in real time, and finishing the annular groove processing at the position of the rubber fender according to the depth requirement of the annular groove;
step (G), adjusting the position of the processing base station on the sliding rail to enable the processing base station to move to the next annular groove processing station of the rubber fender;
and (H) repeating the steps (D) - (G) to finish the annular groove processing of the rubber fender with the whole length.
According to the application method of the annular groove machining device for the large rubber fender, in the step (F), in the process of cutting the rubber fender by the U-shaped cutter, the sliding seat is pushed to move forward by the pushing mechanism, the fact that the edge side of the U-shaped cutter is clung to the outer wall of the rubber fender in real time is guaranteed, and the U-shaped cutter is clung to the outer wall of the rubber fender by the supporting and guiding mechanism and used for guaranteeing that the U-shaped cutter linearly follows cutting to form the annular groove.
According to the application method of the annular groove machining device for the large rubber fender, the two groups of supporting and guiding mechanisms are symmetrically arranged on two sides of the U-shaped cutter.
The beneficial effects of the invention are as follows: the annular groove processing device for the large rubber fender and the application method thereof can push the U-shaped cutter to move forwards in a stepping manner to process the annular groove in the self-rotation process of the rubber fender, and can randomly adjust the processing position of the annular groove on the outer wall of the rubber fender according to the requirement, so that the operation is convenient, the method is simple, the width, the depth and the distance of each annular groove on the rubber fender can be kept consistent, the processing efficiency is improved, the production quality of the rubber fender is ensured, the time and the labor are saved, the production cost is reduced, the structure is ingenious, the method is novel, and the application prospect is good.
Drawings
FIG. 1 is a schematic view of the annular groove processing apparatus for a large rubber fender of the present invention;
FIG. 2 is a schematic diagram of the V-buffer unit of the present invention;
FIG. 3 is a schematic view of the structure of the U-shaped cutter of the present invention;
fig. 4 is a positional relationship diagram among the rubber fender, the processing base and the slide rail of the present invention.
The meaning of the symbols in the drawings is as follows:
1: a processing base; 101: a guide plate; 2: a sliding rail; 3: a slide rail; 4: a sliding seat; 401: a guide rod; 5: a pushing mechanism; 501: rotating the handle; 502: rotating the screw rod; 503: rotating the bearing sleeve; 6: a cutter fixing platform; 7: a U-shaped cutter; 8: a support plate; 9: a support guide mechanism; 901: a supporting claw; 902: a V-shaped buffer unit; 903: connecting blocks: 904: a movable rotating shaft; 905: a guide wheel; 10: rubber fender.
Detailed Description
The invention will be further described with reference to the drawings.
As shown in fig. 1, the annular groove processing device for a large rubber fender of the invention comprises a processing base 1, wherein the lower surface of the processing base 1 is clamped on a sliding rail 2, the sliding rail 2 is parallel to a lying rubber fender 10, the position of the processing base 1 on the sliding rail 2 is adjustable,
the two sides of the upper surface of the processing base 1 are symmetrically provided with slide rails 3, a sliding seat 4 is arranged between the two slide rails 3, the rear end part of the sliding seat 4 is provided with a pushing mechanism 5 for adjusting the position of the sliding seat on the slide rails 3,
a cutter fixing platform 6 is fixed above the sliding seat 4, a U-shaped cutter 7 for processing an annular groove is arranged at the front end part of the cutter fixing platform 6, the edge side of the U-shaped cutter 7 is tightly attached to the outer wall of the rubber fender 10 under the control of the pushing mechanism 5,
the vertical upward support plates 8 are respectively arranged on the slide rail strips 3 on two sides of the cutter fixing platform 6, the upper end parts of the support plates 8 are provided with support guide mechanisms 9, and the support guide mechanisms 9 are tightly attached to the outer wall of the rubber fender 10 and are used for ensuring that the U-shaped cutters 7 linearly follow up cutting to form annular grooves.
Preferably, the pushing mechanism 5 comprises a rotary handle 501, a rotary screw rod 502 and a rotary bearing sleeve 503, the rotary bearing sleeve 503 is fixed at the rear end part of the sliding seat 4, the rotary screw rod 502 is nested in the rotary bearing sleeve 503, the rotary handle 501 is connected with the rear end part of the sliding seat 4 through the rotary screw rod 502, the rotation speed of the rotary handle 501 is controlled according to the self-rotation speed of the rubber fender 10 in the use process, and the blade side of the U-shaped cutter 7 is tightly attached to the outer wall of the rubber fender 10 under the control of the pushing mechanism 5, so that the cutting processing of an annular groove is realized.
Preferably, the end of the machining base 1 is provided with a guide plate 101, the rear end of the sliding seat 4 is provided with a guide rod 401, and the guide rod 401 penetrates through the guide plate 101, so that the linearity of the movement of the sliding seat 4 can be ensured, and the quality of the annular groove cutting machining is improved.
Preferably, the supporting guide mechanism 9 includes two supporting claws 901 and V-shaped buffer units 902, the bottoms of the two supporting claws 901 are respectively fixed on two sides of the front end of the sliding seat 4, and the V-shaped buffer units 902 are respectively installed on the upper parts of the supporting claws 901.
As shown in fig. 2, the V-shaped buffer unit 902 includes a connecting block 903 that is vertically distributed, two connecting blocks 903 are distributed in a V-shape and are fixed on the upper portion of the supporting claw 901 through a movable rotating shaft 904, an angle between the two connecting blocks 903 is adjustable, guide wheels 905 are mounted at front ends of the two connecting blocks 903, the guide wheels 905 are tightly attached to the outer wall of the rubber fender 10, a return spring is disposed between the two connecting blocks 903, the return spring is used for returning the two connecting blocks 903, the V-shaped buffer unit 902 presses the outer wall of the rubber fender 10 in the sliding seat 4 forward moving process under the pushing of the pushing mechanism 5, thereby four groups of guide wheels 905 are tightly attached to the outer wall of the rubber fender 10, an opening angle of the two groups of guide wheels 905 at opposite side positions is increased during annular groove processing, the guide wheels 905 can roll on the outer wall of the rubber fender 10, and accordingly the U-shaped cutter 7 is guaranteed to linearly follow up cutting to form an annular groove.
Preferably, as shown in fig. 3, the U-shaped cutter 7 fixes the front end of the cutter fixing platform 6 by a cutter fixture 701, the upper part of the lateral side of the U-shaped cutter 7 is a blade side, and the rubber fender 10 rotates downward along the blade side of the lateral side of the U-shaped cutter 7, so as to ensure smooth cutting and forming of the annular groove.
The application method of the annular groove processing device for the large rubber fender comprises the following steps,
step (a), as shown in fig. 4, a sliding rail 2 is laid under one side of the rubber fender 10, and the sliding rail 2 is arranged parallel to the lying rubber fender 10;
step (B), the lower surface of a processing base 1 of the annular groove processing device is clamped on a sliding rail 2;
step (C), adjusting the position of the processing base 1 on the sliding rail 2 according to the requirement, and processing an annular groove at the position of the rubber fender 10;
step (D), the sliding seat 4 is pushed to move forward by the pushing mechanism 5, and the blade side of the U-shaped cutter 7 is tightly attached to the outer wall of the rubber fender 10;
step (E), controlling the rubber fender 10 to automatically rotate downwards along the edge side of the transverse side edge of the U-shaped cutter 7, and processing an annular groove on the rubber fender 10 by the U-shaped cutter 7;
step (F), in the process of cutting the rubber fender 10 by the U-shaped cutter 7, pushing the sliding seat 4 to move forward by the pushing mechanism 5, ensuring that the edge side of the U-shaped cutter 7 clings to the outer wall of the rubber fender 10 in real time, and completing the annular groove processing at the position of the rubber fender 10 according to the depth requirement of the annular groove;
step (G), adjusting the position of the processing base 1 on the sliding rail 2, so that the processing base 1 moves to the next annular groove processing station of the rubber fender 10;
and (H) repeating the steps (D) - (G) to finish the annular groove processing of the whole-length rubber fender 10.
Preferably, in the step (F), in the process of cutting the rubber fender 10 by the U-shaped cutter 7, the sliding seat 4 is pushed to move forward by the pushing mechanism 5, so that the edge side of the U-shaped cutter 7 is guaranteed to be clung to the outer wall of the rubber fender 10 in real time, and the supporting guide mechanism 9 is also arranged to be clung to the outer wall of the rubber fender 10 by the extension of the return spring, so that the problem that the depth of the annular groove is inconsistent due to the out-of-round surface of the rubber fender is overcome by ensuring that the annular groove is formed by the linear follow-up cutting of the U-shaped cutter 7, and the supporting guide mechanisms 9 are two groups and are symmetrically arranged on two sides of the U-shaped cutter 7, so that the annular groove is formed by the linear follow-up cutting of the U-shaped cutter 7 is guaranteed.
In summary, the annular groove processing device for the large-scale rubber fender 10 and the use method thereof can push the U-shaped tool to move forward step by step to process the annular groove in the process of self-rotation of the rubber fender 10, and can randomly adjust the processing position of the annular groove on the outer wall of the rubber fender 10 according to the requirement, so that the operation is convenient, the method is simple, the width, the depth and the distance of each annular groove on the rubber fender 10 can be kept consistent, the processing efficiency is improved, the production quality of the rubber fender 10 is ensured, the time and the labor are saved, the production cost is reduced, the structure is ingenious, the method is novel, and the application prospect is good.
The foregoing has outlined and described the basic principles, features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. An annular groove processingequipment for large-scale rubber fender, its characterized in that: comprises a processing base station (1), wherein the lower surface of the processing base station (1) is clamped on a sliding rail (2), the sliding rail (2) is parallel to a recumbent rubber fender, the position of the processing base station (1) on the sliding rail (2) is adjustable,
the two sides of the upper surface of the processing base station (1) are symmetrically provided with slide rails (3), a sliding seat (4) is arranged between the two slide rails (3), the rear end part of the sliding seat (4) is provided with a pushing mechanism (5) for adjusting the position of the sliding seat on the slide rails (3),
a cutter fixing platform (6) is fixed above the sliding seat (4), a U-shaped cutter (7) for processing an annular groove is arranged at the front end part of the cutter fixing platform (6), the blade side of the U-shaped cutter (7) is tightly attached to the outer wall of the rubber fender under the control of a pushing mechanism (5),
the utility model discloses a cutter fixing platform, including cutter fixing platform (6), slide rail strip (3) of cutter fixing platform (6), be provided with respectively on slide rail strip (3) of cutter fixing platform (6) both sides perpendicular ascending backup pad (8), support guiding mechanism (9) are installed to the upper end of backup pad (8), the outer wall setting of rubber fender is hugged closely to support guiding mechanism (9), be used for guaranteeing that U type cutter (7) straight line follow-up cutting forms the ring channel, pushing mechanism (5) are including rotatory handle (501), rotatory lead screw (502), swivel bearing bush (503) are fixed in the rear end portion of sliding seat (4), rotatory lead screw (502) nest of tubes is in the inside of swivel bearing bush (503), rotatory handle (501) are connected with the rear end portion of sliding seat (4) through rotatory lead screw (502), the tip of processing base (1) is provided with deflector (101), the rear end portion of sliding seat (4) is provided with deflector (401), deflector (401) run through from deflector (101), support guiding mechanism (9) are including supporting claw (901), V-shaped buffer unit (901), two sets of supporting claw (901) are respectively at the both sides of supporting claw (902) are respectively, two sets of supporting claw (901) are respectively, and two supporting claw (901) are installed in the front portion (902 respectively, v word buffer unit (902), including connecting block (903) that are upper and lower distribution, two connecting blocks (903) are V word and distribute to fix the upper portion at supporting jaw (901) through movable pivot (904), angle between two connecting blocks (903) is adjustable, leading wheel (905) are all installed to the front end of two connecting blocks (903), the outer wall setting of rubber fender is hugged closely to leading wheel (905), is provided with reset spring between two connecting blocks (903), and this reset spring is used for the reset of two connecting blocks (903), and the outer wall setting of rubber fender is hugged closely to four guide wheels (905), and during the ring channel processing, along with pushing mechanism (5) with the forward propulsion of sliding seat (4), two sets of leading wheel (905) opening angle increase of contralateral position department, leading wheel (905) can roll on the outer wall of rubber fender.
2. The annular groove processing apparatus for a large rubber fender of claim 1, wherein: the U-shaped cutter (7) is used for fixing the front end part of the cutter fixing platform (6) through the cutter fixture (701), the upper part of the transverse side edge of the U-shaped cutter (7) is a cutting edge side, and the rubber fender rotates downwards along the cutting edge side of the transverse side edge of the U-shaped cutter (7).
3. The method for using the annular groove processing device for the large rubber fender according to claim 2 is characterized in that: comprises the steps of,
step (A), paving a sliding rail (2) below one side of the rubber fender, wherein the sliding rail (2) is arranged parallel to the recumbent rubber fender;
step (B), the lower surface of a processing base (1) of the annular groove processing device is clamped on a sliding rail (2);
step (C), adjusting the position of the processing base (1) on the sliding rail (2) according to the requirement, and processing an annular groove at the position of the rubber fender;
step (D), pushing the sliding seat (4) to move forward through the pushing mechanism (5), and enabling the blade side of the U-shaped cutter (7) to be tightly attached to the outer wall of the rubber fender;
step (E), controlling the rubber fender to automatically rotate downwards along the edge side of the transverse side edge of the U-shaped cutter (7), and processing an annular groove on the rubber fender by the U-shaped cutter (7);
step (F), in the process of cutting the rubber fender by the U-shaped cutter (7), the sliding seat (4) is pushed to move forwards by the pushing mechanism (5), so that the blade side of the U-shaped cutter (7) is tightly attached to the outer wall of the rubber fender in real time, and the annular groove processing at the position of the rubber fender is completed according to the depth requirement of the annular groove;
step (G), adjusting the position of the processing base station (1) on the sliding rail (2) to enable the processing base station (1) to move to a processing station of the next annular groove of the rubber fender;
and (H) repeating the steps (D) - (G) to finish the annular groove processing of the rubber fender with the whole length.
4. A method of using the annular groove processing apparatus for a large rubber fender of claim 3, wherein: step (F), in the process of cutting the rubber fender by the U-shaped cutter (7), the sliding seat (4) is pushed to move forward by the pushing mechanism (5), the edge side of the U-shaped cutter (7) is guaranteed to cling to the outer wall of the rubber fender in real time, and the U-shaped cutter (7) is guaranteed to linearly follow up to cut to form an annular groove by the supporting and guiding mechanism (9).
5. A method of using the annular groove processing apparatus for a large rubber fender of claim 3, wherein: the supporting and guiding mechanisms (9) are two groups and are symmetrically arranged on two sides of the U-shaped cutter (7).
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| CN201910205465.3A CN109894680B (en) | 2019-03-18 | 2019-03-18 | Annular groove machining device for large rubber fender and application method of annular groove machining device |
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| CN103990853A (en) * | 2014-05-08 | 2014-08-20 | 西安交通大学 | Symmetrical multi-cutter rod tube grooving machine |
| CN104259487A (en) * | 2014-10-17 | 2015-01-07 | 汤子尧 | Bending long shaft turning device |
| CN106563847A (en) * | 2015-10-13 | 2017-04-19 | 上海顺簿贸易经营服务部 | Notch cutting device for rod-shaped work piece |
| CN205519667U (en) * | 2016-02-04 | 2016-08-31 | 宁波万盛智能科技股份有限公司 | Axle type cut groove processing frock |
| CN106312170A (en) * | 2016-09-28 | 2017-01-11 | 煌盛集团重庆管业有限公司 | Safety metal pipeline cutting system |
| CN108145249A (en) * | 2017-11-28 | 2018-06-12 | 浙江卓怡纺织有限公司 | A kind of groover of rosette |
| CN107984027A (en) * | 2017-12-13 | 2018-05-04 | 贵港市厚顺信息技术有限公司 | A kind of convenient manual steel pipe grooving tool |
| CN108189981A (en) * | 2018-01-09 | 2018-06-22 | 张立 | A kind of ship Fender for ship |
| CN208005792U (en) * | 2018-04-10 | 2018-10-26 | 赣州康众塑料制品有限公司 | A kind of compression saw cutting device of plastic products |
| CN108655757A (en) * | 2018-05-04 | 2018-10-16 | 陈婷 | A kind of grooving machine tool convenient for adjusting |
| CN210208904U (en) * | 2019-03-18 | 2020-03-31 | 镇江同立橡胶有限公司 | Annular groove machining device for large rubber fender |
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