CN216371486U - Trimming device is used in sealing member processing - Google Patents
Trimming device is used in sealing member processing Download PDFInfo
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- CN216371486U CN216371486U CN202122973461.5U CN202122973461U CN216371486U CN 216371486 U CN216371486 U CN 216371486U CN 202122973461 U CN202122973461 U CN 202122973461U CN 216371486 U CN216371486 U CN 216371486U
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Abstract
The utility model discloses a trimming device for processing a sealing element, which belongs to the technical field of sealing elements and comprises an installation base and a trimming mechanism, wherein the upper end of the installation base is fixedly and rotatably connected with a support column, the outer wall of the support column is rotatably connected with a plurality of rotating mechanisms, the rotating mechanisms are connected with a placing cylinder, a plurality of circular ring grooves are formed in the placing cylinder, an installation lantern ring is slidably connected in each circular ring groove, and a plurality of limiting mechanisms are annularly arranged on the outer ring of each installation lantern ring. Avoid influencing follow-up processing, it is comparatively ingenious and convenient to the installation of sealing member and the fixed operation of selection of installation lantern ring.
Description
Technical Field
The utility model relates to the technical field of sealing elements, in particular to a trimming device for machining a sealing element.
Background
The seal is a material or a part that prevents fluid or solid particles from leaking from between adjacent bonding surfaces and prevents foreign substances such as dust and moisture from intruding into parts inside the machine equipment. Although the rubber-plastic sealing element is small, the rubber-plastic sealing element can be used as a basic component and an accessory in national economy main industries such as national defense, chemical industry, petroleum, coal, transportation, mechanical manufacturing and the like. The outer wall ring of the rubber sealing element after production has residual burrs, which affects the sealing effect, so that a trimming device is generally needed to perform trimming processing on the rubber sealing element.
When an existing trimming device is used for trimming annular rubber sealing elements, the existing trimming device can only be used for trimming the sealing elements with specific sizes, cannot be used for fixing and trimming the sealing elements with different diameters, needs different equipment for processing the sealing elements with different diameters, is complicated in installation operation and low in machining efficiency at present, is inconvenient to use, and cannot meet most requirements.
Therefore, it is necessary to provide a trimming device for processing a seal member to solve the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a trimming device for processing a sealing element to solve the technical problem.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a deburring device is used in sealing member processing, is including installation base and deburring mechanism, installation base upper end is rotated and is connected with the support column, installation base bottom fixed mounting has and is used for driving support column pivoted first motor, the support column outer wall rotates and is connected with a plurality of slewing mechanism, slewing mechanism is connected with places the cylinder, place the inside different ring groove of a plurality of diameters of seting up of cylinder, every the equal sliding connection of ring inslot portion has the installation lantern ring, every the equal annular in outer lane of the installation lantern ring is provided with a plurality of stop gear that are used for fixed mounting lantern ring position, every the equal annular of outer wall of the installation lantern ring is seted up a plurality of and is used for and the spacing hole of stop gear complex first spacing hole and second. The rubber sealing piece of different diameters can be selected according to the scheme, the mounting lantern rings of different diameters are wide in application range, and the rubber sealing piece is very convenient, greatly improves the machining efficiency and can meet the requirements of multiple parts. The installation lantern ring that the rethread stop gear of having adjusted well removed the selection is fixed, rethread stop gear and the spacing hole cooperation of second fix the installation lantern ring of roll-off behind the installation lantern ring roll-off circular groove of will selecting, guarantee the stability of follow-up sealing member in the deburring course of working, the installation lantern ring of other diameters accessible outside stop gear continues to fix simultaneously, avoid influencing the follow-up processing of sealing member, it is comparatively ingenious and convenient to the installation of sealing member and the fixed operation of selection of the installation lantern ring, can satisfy multiple demand.
Further, slewing mechanism is including rotating the axis of rotation of connection in the support column outer wall, the one end fixed connection that the support column was kept away from in the axis of rotation is in placing the cylinder outer wall, axis of rotation outer wall fixed mounting has driven gear, axis of rotation outer wall fixed mounting has the second motor, second motor output end fixedly connected with and the driving gear of driven gear meshing adaptation. The driving gear is driven to rotate through the second motor, the driving gear drives the rotating shaft and the placing cylinder to rotate through the matching with the driven gear, then the mounting lantern ring and the sealing element can be driven to rotate, and follow-up trimming operation on the outer ring of the sealing element can be guaranteed.
Further, stop gear places the fixed plate of cylinder outer wall including fixed connection, the one end fixed connection spring of the installation lantern ring is kept away from to the fixed plate, the one end fixedly connected with movable plate of fixed plate is kept away from to the spring, the one end fixedly connected with gag lever post that the movable plate is close to the spring, the gag lever post corresponds the adaptation with first spacing hole and the spacing hole of second, the gag lever post is located the inside and activity of spring and runs through the fixed plate.
Furthermore, the upper end of the movable plate is rotatably connected with a rotating rod, one end of the rotating rod, far away from the movable plate, is fixedly connected with a pulling plate, the outer wall of the placing cylinder is fixedly connected with a plurality of hanging plates, and the hanging plates are fixedly connected with two baffle plates. The mounting sleeve ring is arranged on the mounting sleeve ring, the pull plate can move the plate and the limiting rod to move towards the direction of keeping away from the mounting sleeve ring, the spring is stretched, until the limiting rod is separated from a first limiting hole in the mounting sleeve ring, then the pull plate rotates around the rotating rod, the pull plate rotates to one side of the hanging plate, the hanging plate is placed and clamped at the upper end of the hanging plate, the limiting rod can be guaranteed to be in a stable and fixed state, the mounting sleeve ring can slide out along a sliding groove through the sliding strip at the moment, the pull plate rotates away from the hanging plate at the moment after sliding out to an appointed position, the pull plate is loosened again, the spring can drive the limiting rod to move towards the direction of the mounting sleeve ring at the moment, finally the limiting rod can be inserted into a second limiting hole of the mounting sleeve ring, the mounting sleeve ring can be fixed and limited, and the stability of a follow-up sealing element in the trimming processing process can be guaranteed.
Furthermore, a plurality of chutes are formed in the circular groove, and a plurality of sliding strips in sliding fit with the chutes are fixedly connected to the inner wall of the mounting sleeve ring.
Furthermore, the outer wall of the mounting lantern ring is provided with a placing groove, so that a sealing element is convenient to place, and the mounting lantern ring has a certain limiting effect and can prevent deviation.
Further, deburring mechanism is including fixed connection in the support of installation base upper end, support lower extreme fixedly connected with guide rail, sliding connection has the slide on the guide rail, support lateral wall fixed mounting has and is used for driving the gliding first electric putter of slide, slide lower extreme fixedly connected with second electric putter, the flexible fixed mounting of second electric putter has the deburring motor, deburring motor output fixed mounting has the deburring emery wheel. The left position, the right position, the up position and the down position of the trimming grinding wheel are respectively adjusted through the movement of the first electric push rod and the second electric push rod, and finally the trimming processing is carried out on the sealing piece on the mounting sleeve ring through the trimming grinding wheel.
Compared with the prior art, the utility model has the advantages that:
the installation lantern ring of different diameters can be selected according to the rubber sealing element of different diameters, the application range is wide, trimming processing of the sealing element is not needed to be carried out by using a plurality of devices, the processing efficiency is very convenient and greatly improved, and most requirements can be met. The installation lantern ring of selecting is released to be fixed through limiting mechanism after the regulation is good, the installation lantern ring of selecting is fixed through limiting mechanism after the roll-off, the stability of the follow-up sealing element in the trimming machining process is guaranteed, meanwhile, the installation lantern ring of other diameters can continue to be fixed through the limiting mechanism on the outer side of the installation lantern ring of other diameters, the follow-up machining of the sealing element is avoided being influenced, the installation of the sealing element and the selective fixing operation of the installation lantern ring are ingenious and convenient, various requirements can be met, the efficiency and the benefit are improved while the machining quality is improved. Meanwhile, when the sealing element is trimmed, the placing cylinder on the other side and the selecting and mounting lantern ring can be operated, the rubber sealing element is mounted, and the operation without stopping the machine is realized, so that the labor intensity of workers is reduced, repeated stopping, dismounting and mounting operations are not needed, a large amount of time is saved, and the efficiency of trimming and processing the sealing element is greatly improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the mounting base of the present invention;
FIG. 2 is a schematic side view of the placement cylinder of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a schematic structural diagram of the front side of the placing cylinder of the present invention;
FIG. 5 is a schematic front view of the placement cylinder of the present invention with the mounting collar and stop mechanism removed;
fig. 6 is a schematic structural view of the placement cylinder of the present invention with one of the mounting collars slid out.
The reference numbers in the figures illustrate:
1. installing a base; 2. a support pillar; 3. a first motor; 4. placing a cylinder; 5. a circular groove; 6. mounting a lantern ring; 7. a limiting mechanism; 701. a fixing plate; 702. a spring; 703. moving the plate; 704. a limiting rod; 8. a first limit hole; 9. a second limiting hole; 10. a rotating shaft; 11. a driven gear; 12. a second motor; 13. a driving gear; 14. a rotating rod; 15. pulling a plate; 16. hanging the plate; 17. a baffle plate; 18. a chute; 19. a slide bar; 20. a support; 21. a guide rail; 22. a slide base; 23. a first electric push rod; 24. a second electric push rod; 25. trimming the grinding wheel; 26. placing the groove.
Detailed Description
The first embodiment is as follows:
referring to fig. 1-2 and 4-6, a trimming device for processing a sealing element comprises an installation base 1 and a trimming mechanism, wherein the upper end of the installation base 1 is rotatably connected with a supporting column 2, a first motor 3 for driving the supporting column 2 to rotate is fixedly installed at the bottom of the installation base 1, the outer wall of the supporting column 2 is rotatably connected with a plurality of rotating mechanisms, each rotating mechanism is connected with a placement cylinder 4, a plurality of circular grooves 5 with different diameters are formed in the placement cylinder 4, an installation lantern ring 6 is slidably connected inside each circular groove 5, a plurality of limiting mechanisms 7 for fixing the position of the lantern ring 6 are annularly arranged on the outer ring of each installation lantern ring 6, a plurality of first limiting holes 8 and a plurality of second limiting holes 9 for matching with the limiting mechanisms 7 are annularly formed in the outer wall of each installation lantern ring 6, a plurality of sliding grooves 18 are formed in each circular groove 5, and a plurality of sliding strips 19 for sliding matching with the sliding grooves 18 are fixedly connected to the inner wall of the installation lantern ring 6. The installation lantern rings 6 that this scheme set up can be selected according to the diameter size of waiting to repair the rubber seal spare of limit processing, can select the installation lantern ring 6 of different diameters according to the rubber seal spare of different diameter sizes, and application scope is wide, need not to use a plurality of equipment to carry out the deburring processing to the sealing member, and very convenience just greatly has improved machining efficiency, can satisfy the demand of majority. The selected installation lantern ring 6 is released from fixing through the limiting mechanism 7 after the adjustment, the selected installation lantern ring 6 slides out of the circular ring groove 5, the sliding-out installation lantern ring 6 is fixed through the limiting mechanism 7 and the second limiting hole 9 in a matched mode, the stability of a subsequent sealing element in the trimming processing process is guaranteed, meanwhile, the installation lantern ring 6 with other diameters can continue to be fixed through the limiting mechanism 7 on the outer side of the installation lantern ring 6, the subsequent processing of the sealing element is prevented from being influenced, the installation of the sealing element and the selection and fixing operation of the installation lantern ring 6 are ingenious and convenient, various requirements can be met, the processing quality is improved, and meanwhile, the efficiency and the benefit are improved. Meanwhile, when the sealing element is trimmed, the placing cylinder 4 and the selecting and mounting lantern ring 6 on the other side can be operated, the rubber sealing element is mounted, and the operation without stopping the machine is realized, so that the labor intensity of workers is reduced, repeated stopping, dismounting and mounting operations are not needed, a large amount of time is saved, and the efficiency of trimming and processing the sealing element is greatly improved.
Referring to fig. 2-3, the limiting mechanism 7 includes a fixing plate 701 fixedly connected to the outer wall of the placing cylinder 4, a spring 702 fixedly connected to an end of the fixing plate 701 away from the mounting collar 6, a moving plate 703 fixedly connected to an end of the spring 702 away from the fixing plate 701, a limiting rod 704 fixedly connected to an end of the moving plate 703 close to the spring 702, the limiting rod 704 correspondingly fitted to the first limiting hole 8 and the second limiting hole 9, and the limiting rod 704 located inside the spring 702 and movably penetrating through the fixing plate 701. The upper end of the moving plate 703 is rotatably connected with a rotating rod 14, one end of the rotating rod 14, which is far away from the moving plate 703, is fixedly connected with a pulling plate 15, the outer wall of the placing cylinder 4 is also fixedly connected with a plurality of hanging plates 16, and the hanging plates 16 are fixedly connected with two baffle plates 17.
After selecting a proper mounting collar 6, firstly pulling the pulling plate 15 outwards, the pulling plate 15 will move the plate 703 and the limiting rod 704 towards the direction away from the mounting collar 6, and stretching the spring 702 until the limiting rod 704 is separated from the first limiting hole 8 on the mounting collar 6, then rotating to rotate the pulling plate 15 around the rotating rod 14, so that the pulling plate 15 rotates to one side of the hanging plate 16, and is placed and clamped on the upper end of the hanging plate 16, at this time, the limiting rod 704 is in a stable and fixed state, and the limiting rod 704 is separated from the first limiting hole 8 and does not contact with the mounting collar 6, at this time, the mounting collar 6 can slide out along the sliding groove 18 through the sliding bar 19, as shown in fig. 6, after sliding out to a specified position, at this time, rotating the pulling plate 15 away from the hanging plate 16, then loosening the pulling plate 15, at this time, the spring 702 will drive the limiting rod 704 towards the direction of the mounting collar 6, and finally the limiting rod 704 will be inserted into the second limiting hole 9 of the mounting collar 6, and then can fix spacing to the installation lantern ring 6, and then can guarantee the stability of follow-up sealing member in the deburring course of working, improve the effect and the quality of processing, the rubber seal spare cover that will wait to process again is on the installation lantern ring 6, wait for follow-up processing, stop gear 7 in other installation lantern ring 6 outsides is fixed to it through first spacing hole 8 simultaneously, can guarantee to add the installation lantern ring 6 of other diameters and can not the roll-off man-hour, avoid influencing the follow-up processing of sealing member, very big assurance the processing stability of sealing member, it is comparatively ingenious and convenient to the installation of sealing member and the fixed operation of selection of installation lantern ring 6, can satisfy multiple demand, the efficiency benefit has been improved when having improved processingquality.
Referring to fig. 1, the rotating mechanism includes a rotating shaft 10 rotatably connected to an outer wall of the supporting column 2, one end of the rotating shaft 10 away from the supporting column 2 is fixedly connected to an outer wall of the placing cylinder 4, a driven gear 11 is fixedly installed on an outer wall of the rotating shaft 10, a second motor 12 is fixedly installed on an outer wall of the rotating shaft 10, an output end of the second motor 12 is fixedly connected to a driving gear 13 meshed and matched with the driven gear 11, the trimming mechanism includes a bracket 20 fixedly connected to an upper end of the installing base 1, a guide rail 21 is fixedly connected to a lower end of the bracket 20, a sliding seat 22 is slidably connected to the guide rail 21, a first electric push rod 23 for driving the sliding seat 22 is fixedly installed on a side wall of the bracket 20, a second electric push rod 24 is fixedly connected to a lower end of the sliding seat 22, a trimming motor is fixedly installed on a telescopic end of the second electric push rod 24, and a trimming grinding wheel 25 is fixedly installed on an output end of the trimming motor.
After the rubber sealing element is sleeved on the mounting lantern ring 6, the left, right, up and down positions of the trimming grinding wheel 25 are adjusted through movement of the first electric push rod 23 and the second electric push rod 24 respectively, meanwhile, the driving gear 13 is driven to rotate through the second motor 12, the driving gear 13 drives the rotating shaft 10 and the placing cylinder 4 to rotate through matching with the driven gear 11, the mounting lantern ring 6 and the sealing element can be driven to rotate, the follow-up uniform trimming operation on the outer ring of the sealing element can be guaranteed, finally, trimming processing is conducted on the sealing element on the mounting lantern ring 6 through the trimming grinding wheel 25, and the trimming effect is good.
When the sealing member is in the deburring processing, the placing cylinder 4 and the selecting and installing lantern ring 6 on the other side can be operated at the same time, then the rubber sealing member is installed, after the sealing member on the processing side is processed, the first motor 3 drives the supporting column 2 to rotate, so that the placing cylinders 4 on the two sides can be driven to rotate, the sealing member to be processed which is just installed is rotated to the processing side, the sealing member which is processed is rotated to the outer side, one side can be used for processing the sealing member, the other side can be used for processing the sealing member, the upper sealing member and the lower sealing member to be processed are installed, the operation can be carried out in a circulating mode in sequence, the operation without stopping the machine is achieved, the labor intensity of workers is reduced, the operation of repeated stopping, dismounting and mounting operations is not needed, a large amount of time is saved, and the efficiency of the sealing member deburring processing is greatly improved.
The working principle is as follows: when the rubber seal trimming device is used, the installation lantern rings 6 arranged firstly can be selected according to the diameter of the rubber seal to be trimmed, and the installation lantern rings 6 with different diameters can be selected according to the rubber seals with different diameters. Initially, the limiting mechanism 7 respectively fixes each mounting collar 6, after selecting a suitable mounting collar 6, first pulls the pulling plate 15 outwards, the pulling plate 15 will move the plate 703 and the limiting rod 704 towards a direction away from the mounting collar 6, and stretches the spring 702 until the limiting rod 704 is separated from the first limiting hole 8 on the mounting collar 6, then rotates to make the pulling plate 15 rotate around the rotating rod 14, so that the pulling plate 15 rotates to one side of the hanging plate 16 and is placed and clamped on the upper end of the hanging plate 16, at this time, the limiting rod 704 can be ensured to be in a stable fixed state, and the limiting rod 704 is separated from the first limiting hole 8 and does not contact with the mounting collar 6, at this time, the mounting collar 6 can slide out along the sliding groove 18 through the sliding bar 19, as shown in fig. 6, after sliding out to a specified position, at this time, the pulling plate 15 is rotated away from the hanging plate 16, the pulling plate 15 is loosened, at this time, the spring 702 will drive the limiting rod 704 to move towards the mounting collar 6, finally, the limiting rod 704 can be inserted into the second limiting hole 9 of the installation sleeve ring 6, the installation sleeve ring 6 can be fixed and limited, the rubber sealing element to be processed is sleeved on the installation sleeve ring 6 to wait for subsequent processing, meanwhile, the limiting mechanisms 7 on the outer sides of other installation sleeve rings 6 are fixed through the first limiting holes 8, and the installation sleeve rings 6 with other diameters can not slide out during processing.
After the rubber sealing element is sleeved on the mounting lantern ring 6, the left, right, up and down positions of the trimming grinding wheel 25 are adjusted through movement of the first electric push rod 23 and the second electric push rod 24 respectively, meanwhile, the driving gear 13 is driven to rotate through the second motor 12, the driving gear 13 drives the rotating shaft 10 and the placing cylinder 4 to rotate through matching with the driven gear 11, then the mounting lantern ring 6 and the sealing element can be driven to rotate, follow-up uniform trimming operation on the outer ring of the sealing element can be guaranteed, and finally trimming processing is conducted on the sealing element on the mounting lantern ring 6 through the trimming grinding wheel 25.
When the sealing member is in the deburring processing, but the opposite side of operateing simultaneously place cylinder 4 and select installation lantern ring 6, install rubber seal again, after the sealing member processing of processing side finishes, rethread first motor 3 drives support column 2 and rotates, thereby can drive both sides and place cylinder 4 and rotate, the sealing member of treating that will just finish installing this moment rotates the processing side, and the sealing member that finishes then rotates the outside, one side is when processing the sealing member this moment, the good sealing member of opposite side detachable processing, and the last sealing member of treating processing of installation, in proper order the cycle goes on.
Claims (7)
1. The utility model provides a deburring device is used in sealing member processing, includes installation base and deburring mechanism, its characterized in that: the utility model discloses a mounting sleeve ring, including mounting base, support column, slewing mechanism, cylinder, mounting base upper end is rotated and is connected with the support column, mounting base bottom fixed mounting is used for driving support column pivoted first motor, the support column outer wall rotates and is connected with a plurality of slewing mechanism, slewing mechanism is connected with places the cylinder, place the inside different ring slot of a plurality of diameters of seting up of cylinder, every equal sliding connection in ring slot portion has the mounting sleeve ring, every the equal annular in outer lane of mounting sleeve ring is provided with a plurality of stop gear that are used for fixed mounting lantern ring position, every the equal annular in outer wall of mounting sleeve ring is seted up a plurality of first spacing holes and the spacing hole of second that are used for with the stop gear complex.
2. The deburring device for machining a seal member as claimed in claim 1, wherein: slewing mechanism is including rotating the axis of rotation of connecting in the support column outer wall, the one end fixed connection that the support column was kept away from in the axis of rotation is in placing the cylinder outer wall, axis of rotation outer wall fixed mounting has driven gear, axis of rotation outer wall fixed mounting has the second motor, second motor output end fixedly connected with and the driving gear of driven gear meshing adaptation.
3. The deburring device for machining a seal member as claimed in claim 1, wherein: stop gear places the fixed plate of cylinder outer wall including fixed connection, the one end fixed connection spring of the installation lantern ring is kept away from to the fixed plate, the one end fixedly connected with movable plate of fixed plate is kept away from to the spring, the one end fixedly connected with gag lever post that the movable plate is close to the spring, the gag lever post corresponds the adaptation with first spacing hole and the spacing hole of second, the gag lever post is located the inside and activity of spring and runs through the fixed plate.
4. The deburring device for machining a seal member as claimed in claim 3, wherein: the movable plate is characterized in that a rotating rod is rotatably connected to the upper end of the movable plate, one end, far away from the movable plate, of the rotating rod is fixedly connected with a pulling plate, the outer wall of the placing cylinder is fixedly connected with a plurality of hanging plates, and two baffle plates are fixedly connected to the hanging plates.
5. The deburring device for machining a seal member as claimed in claim 3, wherein: a plurality of chutes are formed in the circular groove, and a plurality of sliding strips in sliding fit with the chutes are fixedly connected to the inner wall of the mounting lantern ring.
6. The deburring device for machining a seal member as claimed in claim 1, wherein: the outer wall of the mounting lantern ring is provided with a placing groove.
7. The deburring device for machining a seal member as claimed in claim 1, wherein: trimming mechanism is including fixed connection in the support of installation base upper end, support lower extreme fixedly connected with guide rail, sliding connection has the slide on the guide rail, support lateral wall fixed mounting has and is used for driving the gliding first electric putter of slide, slide lower extreme fixedly connected with second electric putter, the flexible fixed mounting of second electric putter has the deburring motor, deburring motor output fixed mounting has the deburring emery wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122973461.5U CN216371486U (en) | 2021-11-30 | 2021-11-30 | Trimming device is used in sealing member processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122973461.5U CN216371486U (en) | 2021-11-30 | 2021-11-30 | Trimming device is used in sealing member processing |
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| Publication Number | Publication Date |
|---|---|
| CN216371486U true CN216371486U (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122973461.5U Active CN216371486U (en) | 2021-11-30 | 2021-11-30 | Trimming device is used in sealing member processing |
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| CN (1) | CN216371486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116573479A (en) * | 2023-07-14 | 2023-08-11 | 威县亚泰密封件有限公司 | Manufacturing device and manufacturing method for modified rubber sealing piece |
-
2021
- 2021-11-30 CN CN202122973461.5U patent/CN216371486U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116573479A (en) * | 2023-07-14 | 2023-08-11 | 威县亚泰密封件有限公司 | Manufacturing device and manufacturing method for modified rubber sealing piece |
| CN116573479B (en) * | 2023-07-14 | 2023-09-08 | 威县亚泰密封件有限公司 | Manufacturing device and manufacturing method for modified rubber sealing piece |
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