CN114289300A - Vibration slicing device with opening for ring products - Google Patents
Vibration slicing device with opening for ring products Download PDFInfo
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- CN114289300A CN114289300A CN202111485908.2A CN202111485908A CN114289300A CN 114289300 A CN114289300 A CN 114289300A CN 202111485908 A CN202111485908 A CN 202111485908A CN 114289300 A CN114289300 A CN 114289300A
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The invention provides a vibrating and slicing device for ring products with openings, which belongs to the technical field of industrial automation equipment and comprises a stock bin, wherein the stock bin is used for containing ring products with openings; the spiral ascending material channel is provided with a serial connection preventing material channel, and the serial connection preventing material channel is used for screening out hooked ring products; the anti-series material channel is connected with the screen, and the screen is provided with a screen hole for screening out single ring products; and the single material selecting channel is used for further screening the ring products screened by the screen. The ring product with the opening can be divided and opened, labor cost is saved, and processing efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of industrial automation equipment, more specifically relate to a take open-ended lopps product with vibration burst device.
Background
The conventional vibration slicing device is generally used for sorting ring-shaped parts, for example, an internal-tooth collar automatic screening machine disclosed in the patent with the publication number of CN103241529B, and comprises a rotary vibrator, wherein a vibration disc is arranged on the rotary vibrator, a spiral lifting track, an automatic screening track and a straight penetrating track are arranged on the vibration disc, the spiral lifting track, the automatic screening track and the straight penetrating track are sequentially connected, and the straight penetrating track is connected with the straight vibrator; the automatic screening track is an inclined track with a groove.
The vibration sorting device for sorting U-shaped parts also comprises a vibration sorting device, such as a sorting machine rotating device provided by the patent with the publication number of CN213622002U, and comprises a tray body, wherein a discharge port is arranged on one side of the tray body, the discharge port is communicated with a conveying track, a first feeding plate and a second feeding plate are sequentially arranged on the conveying track, the first feeding plate is positioned at one end of the conveying track, one end of the first feeding plate is connected with the discharge port, a first drainage groove is formed in the other end of the first feeding plate, a first sorting plate is arranged on the first feeding plate, one end of the first sorting plate is connected with the first drainage groove, the other end of the first sorting plate is connected with one end of the second feeding plate, the other end of the second feeding plate is connected with a second sorting plate, and one end of the second sorting plate extends towards the other end of the conveying track; the orientation of the U-shaped opening of the U-shaped iron sheet in the conveying process can be limited.
However, many small parts are structures with an opening on the basis of a complete ring-shaped structure, and the cross section of the part in the radial section is larger than a semicircle, as shown in fig. 1 and fig. 2, which are two ring-shaped products with openings, and the existing splitting device is not suitable for sorting the products.
The automatic slicing and opening fixing of the ring products with the openings are always an industrial problem, the ring products are easy to nest and hook together in a natural gathering state due to the openings with small central angles, the size of the products is generally small, the products are not suitable for single processing and transferring, due to the characteristics of mutual nesting and hooking of the rings, slicing and opening fixing can not be achieved by a vibrating disc instead of manpower, the products need to be manually penetrated onto a tool rod one by one in the processing process to be transferred and processed, and the efficiency is low.
Disclosure of Invention
Aiming at the problems that in the prior art, due to the characteristic that ring products with openings are mutually nested and hooked, the product slicing and opening fixing are difficult, and the manual operation efficiency is low, through the research on the motion characteristic and the necessary condition of scattering when the ring products with openings vibrate, the vibrating slicing device for the ring products with the openings is provided, the ring products with the openings can be automatically sliced and opened fixedly, and the processing efficiency of the ring products with the openings is improved.
One of the concepts of the present disclosure is that the sheet separating device has a rotating and vibrating function, and the sheet separating device includes a bin for containing ring products with openings, and a material poking mechanism is disposed at the bottom of the bin and used for simulating the shaking action of a human hand so as to disperse the ring products connected into a bulk by the nesting hooks.
Furthermore, another concept of the present disclosure is that a spiral-up material channel, a screen and a single material selection channel are arranged in the storage bin, the spiral-up material channel is used for introducing the ring products at the bottom of the storage bin, the screen and the single material selection channel are used for gradually screening out the single ring products for fragmentation, and dropping the ring products with nested hooking conditions into the storage bin, the ring products are scattered again through a material stirring mechanism, and the spiral-up material channel, the screen and the single material selection channel realize the fragmentation function through the material stirring mechanism, so that the ring products are fragmented automatically, the labor cost is saved, and the fragmentation efficiency is greatly improved.
Another concept of the present disclosure is that the outer surface of the material pulling mechanism is a curved surface, so as to avoid damage to the ring products.
Another idea of the present disclosure is that the spiral-up material passage includes a string-proof material passage, the string-proof material passage is connected with a screen, and the hooked ring-like products are primarily screened by that the width of the string-proof material passage is only larger than the diameter of a single ring-like product with an opening and is smaller than 1.5 times of the diameter of the single ring-like product with the opening.
Another concept of the disclosure is that a receiving tray is arranged below the screen, and the receiving tray is arranged to prevent ring products from directly falling into a single material selecting channel from the screen, and then falling into a stock bin after collision and rebound, so that the screening efficiency is high.
The other concept of the disclosure is that a fixed opening material channel is arranged behind the single material selection channel, the ring-shaped products are changed from flat placement to inclined erection through the single material selection channel, and the fixed opening bulges are arranged on the fixed opening material channel, so that the openings of the ring-shaped products are embedded on the fixed opening bulges, the fixed opening function is automatic, and the subsequent processing operation is convenient.
The other concept of the present disclosure is that the width of the fixed-opening material channel is greater than the diameter of the ring-like products and less than twice the diameter of the ring-like products, a fixed-opening protrusion smaller than the opening width of the ring-like products is disposed at the center of the fixed-opening material channel, and under the vibration condition, the single ring-like products cannot be clamped in the fixed-opening material channel, and the openings of the ring-like products can be clamped on the fixed-opening protrusion with a higher probability.
The other concept of the present disclosure is that an outlet material channel is further disposed behind the opening material channel, which is convenient for material receiving and processing after discharging.
The utility model provides a pair of take open-ended lopps product to use vibration burst device, including feed bin, spiral-up material way, screen cloth, single selection material way set up in the feed bin to be linked together, wherein, the feed bin is provided with at least one and dials material mechanism, the rotatable vibration of feed bin, dial material mechanism fixed mounting in the feed bin bottom for the action of anthropomorphic dummy hand snatching the shake, so that the lopps product that the nested hook links into the reunion form scatters, spiral-up material way, screen cloth, single selection material way then are used for progressively screening out and have been broken up into solitary lopps product to sift out the lopps product that the hook links, make it fall back feed bin bottom again and vibrate and break up. The technical scheme disclosed by the invention can automatically divide the ring products with the openings, so that the labor cost is saved, and the processing efficiency of the ring products with the openings is improved.
In some embodiments, the end of the material pulling mechanism is fixedly installed at the bottom of the storage bin, and the material pulling mechanism is arranged along the rotation direction of the annular product and tilted upwards.
Furthermore, the material poking mechanism and the bottom of the storage bin are obliquely arranged at an angle smaller than 60 degrees, so that when the vibration slicing device works, the annular product can slowly rise along the material poking mechanism.
Furthermore, the included angle between the material poking mechanism and the bottom of the storage bin can be 45 degrees.
Furthermore, the outer surface of the material pulling mechanism is set to be a curved surface, so that damage to ring products is avoided, and the material pulling mechanism is preferably an arc-shaped rod.
In some embodiments, one end of the spiral lifting material channel is in contact with the ring-like products at the bottom of the storage bin to guide the ring-like products to enter the spiral lifting material channel, and the other end of the spiral lifting material channel is provided with a string-preventing material channel which is used for preventing the ring-like products hooked into a ball from passing through and enabling the ball-like ring-like products to return to the storage bin for circulating vibration again; the anti-series material channel is connected with a screen, and the screen is used for further screening the hooked ring products; and a single sorting channel is connected below the screen for screening out single ring products.
Furthermore, the width of the anti-serial material channel is only larger than the diameter of a single ring product with an opening and is smaller than 1.5 times of the diameter of the single ring product with the opening, so that the hooked ring products are primarily screened.
Furthermore, the sieve holes of the screen are designed according to the size of the ring products, the sieve holes can be designed into circular holes or elliptical holes or other shapes, preferably square slotted holes, the square slotted holes can be compatible with the ring products with different diameters, more square slots can be arranged on the screen per unit area, and the screening amount is larger.
Further, the screen cloth below is equipped with the take-up (stock) pan, the setting of take-up (stock) pan has avoided the lopps product to directly fall into single selection material way from the screen cloth when, fall into the feed bin after bumping, the bounce-back, influences burst efficiency, guarantees that screening efficiency is higher.
Furthermore, the single material selecting channel is designed to be a slope, the edge which is arranged at one end, far away from the material receiving disc, of the slope according to the axial thickness of the single ring product is limited by the edge, and the edge ring product is changed from the original horizontal advancing in the material channel into the oblique passing.
In some embodiments, the opening fixing material channel is arranged behind the single material selecting channel, the ring-shaped products are changed from flat placement to inclined erection through the single material selecting channel, and the opening fixing bulges are arranged on the opening fixing material channel, so that the opening of the ring-shaped products are embedded on the opening fixing bulges, the opening fixing function is automatic, and the subsequent processing operation is convenient.
Furthermore, the width of the fixed opening material channel is larger than the diameter of the single-time ring products and smaller than twice the diameter of the ring products, a fixed opening bulge smaller than the opening width of the ring products is arranged at the center of the fixed opening material channel, and under the vibration condition, the single ring products cannot be clamped in the fixed opening material channel, and the openings of the ring products can be clamped on the fixed opening bulge with higher probability.
Further, the fixed-opening material channel can be designed to be 1.5 times of the diameter of the ring-shaped product, and the nesting probability of the fixed-opening bulges and the fixed-opening openings is relatively high.
In some embodiments, an outlet material channel is further arranged behind the opening-fixing material channel, so that material receiving and processing after discharging are facilitated.
Furthermore, the front end of the outlet material channel is a thin sheet with the same or similar thickness with the fixed opening bulge of the fixed opening material channel, the rear end of the outlet material channel is gradually transited to a cylindrical rod with the inner diameter smaller than that of the annular product, and the lower part of the cylindrical rod is provided with an iron sheet for fixed opening. Is convenient for receiving and processing after discharging.
Compared with the prior art, the utility model provides a pair of take open-ended lopps product to use vibration fragmentation device, it dials the material mechanism through setting up in the feed bin, break up the lopps product, the ascending material way of rethread spiral, the screen cloth, the list is selected the individual lopps product and is realized the burst, can also set up the opening of deciding that the opening material way realized the lopps product, it makes things convenient for subsequent connecing and processing to set up the export material way, it has saved the human cost, make the open-ended lopps product can with the automatic fragmentation of mechanical equipment, automatic opening of deciding, the machining efficiency of taking open-ended lopps product has been improved greatly.
Drawings
The present disclosure will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the present disclosure. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.
FIG. 1: a schematic structural diagram of a ring-like product with an opening;
FIG. 2: a schematic structural diagram of yet another open-ended ring-like product;
FIG. 3: the structure schematic diagram of a vibrating and slicing device for a ring product with an opening is provided by the present disclosure;
FIG. 4: the structure schematic diagram of the kick-out mechanism of the vibrating slicing device for the ring products with the openings is provided by the present disclosure;
FIG. 5: the structure schematic diagram of a single material selecting channel of the vibrating and slicing device for the ring products with the openings is provided by the disclosure;
FIG. 6: the structure schematic diagram of the opening-fixing material channel and the outlet material channel of the vibrating and slicing device for the ring products with the openings is provided by the disclosure;
wherein, 1, a stock bin; 2. a material poking mechanism; 3. spirally lifting the material channel; 3.1, preventing the material channel from being connected in series; 4. screening a screen; 5. selecting a material channel singly; 6. opening a material channel; 7. and (4) discharging a material channel.
Detailed Description
The present disclosure is described in detail below with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present disclosure will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to limit the disclosure.
The first embodiment is as follows: the vibrating and slicing device for the ring products with the openings is provided by the disclosure and is described in detail as follows:
as shown in fig. 3, the vibration slicing device for ring products with openings provided by the present disclosure includes a bin 1, a spiral ascending material channel 3, a screen 4, and a single material selecting channel 5, where the spiral ascending material channel 3, the screen 4, and the single material selecting channel 5 are disposed in the bin 1 and are communicated with each other.
Wherein, 1 rotatable vibration of feed bin, 1 bottom of feed bin is arranged along the circumferencial direction has four to dial material mechanism 2, dials 2 lower extreme fixed mounting in 1 bottom of feed bin of material mechanism, and the rotation direction setting of ring product is followed to the material mechanism of pulling out, the perk in the slant to, the contained angle of dialling material mechanism 2 and 1 bottom of feed bin is less than 60, and the annular product can't rise when the contained angle is too big, and the contained angle is less than 60 makes the feed bin rotatory back, and the annular product can be followed and dial the slow rising of material mechanism. Furthermore, the included angle between the material poking mechanism and the bottom of the storage bin can be 45 degrees.
When the vibration slicing device works, the bin 1 drives the ring products in the bin 1 to rotate and shake, so that the ring products slowly rise along the material pulling mechanism and synchronously vibrate, the effect of simulating the grabbing and shaking of hands is achieved, and the ring products which are hooked together in a conglobation manner are initially scattered. It can be understood that in other embodiments, the material pulling mechanism is provided as at least one, and the number of the material pulling mechanisms 2 is not limited to the case described in the present embodiment.
Further, the outer surface of the material pulling mechanism is set to be a curved surface, preferably, as shown in fig. 2, the material pulling mechanism 2 is set to be an arc-shaped rod, so that damage to the ring products in the rotating and vibrating process is avoided.
The lower end of the spiral ascending material channel 3 is in contact with the ring-like products at the bottom of the storage bin 1, and the spiral ascending direction of the spiral ascending material channel 3 is matched with the rotating direction of the vibration slicing device, so that the ring-like products can be shoveled by the spiral ascending material channel 3 and slowly ascend along the spiral ascending material channel 3 when the vibration slicing device rotates;
the spiral-rising material channel 3 is provided with the string-preventing material channel 3.1 at one end connected with the screen 4, the width of the string-preventing material channel 3.1 is only larger than the diameter of a single ring product with an opening and is smaller than 1.5 times of the diameter of the single ring product with the opening, so that the single ring product or the ring products with less hook are enabled to pass through, the clustered ring product is enabled to return to the inner circulation vibration of the stock bin 1 again, the hooked ring product is primarily screened, compared with the direct screening of the screen 4, most of the hooked ring products can be removed after the primary screening of the spiral-rising material channel 3, and the screening efficiency of the screen 4 is improved.
The end of the spiral lifting material channel 3 is provided with a screen 4, and the screen holes of the screen 4 are designed according to the size of the ring products, so that a single ring product can pass through. It is understood that the holes can also be designed as circular or elliptical holes or other shapes.
A receiving tray is arranged below the sieve pores and is connected with the single material selecting channel 5, and ring products which are connected in series cannot pass through the screen 4 and then are vibrated to return to the stock bin 1 after falling. And the ring-shaped products screened by the screen 4 fall into the receiving tray and then enter the single-selection channel 5. Due to the arrangement of the receiving disc, when ring products directly fall into the single sorting channel 5 from the screen 4, the ring products fall into the stock bin 1 after collision and rebound, and the screening efficiency is high. It should be noted that due to the continuous rotational rotation of the vibratory slice apparatus and the portion of the endless loop product not screened by the screen 4, there may also be nested hooked portions of the endless loop product entering the singulator chute 5.
Singly select material way 5 to design for the slope, the border that sets up according to the axial thickness size of single lopps product in the one end of keeping away from the take-up (stock) pan on the slope, the spacing lopps product in border makes the lopps product of border pass through for the slant by original horizontal translation forward in the material way, because the width at border only holds single lopps product and passes through, the lopps product that has overlapping or hooking can drop here and get back to feed bin 1, the lopps product that comes out from singly selecting material way 5 has accomplished automatic fragmentation, this embodiment can carry out the fragmentation to open-ended lopps product automatically, has saved the cost of labor, has improved the machining efficiency of taking open-ended lopps product.
Example two: based on the first embodiment, the vibration slicing device can be further optimized, the sliced ring products are subjected to opening setting, subsequent material receiving and processing are facilitated, as shown in fig. 6, an opening setting material channel 6 is arranged behind a single material selection channel 5, the ring products are changed from flat placement to inclined erection through the single material selection channel 5, an opening setting protrusion is arranged on the opening setting material channel 6, the openings of the ring products are embedded on the opening setting protrusion, the opening setting function is automatic, the openings of the inclined erection ring products can be easily clamped on the opening setting protrusion, and more ring products can be clamped by the opening setting protrusion in a unit distance.
More specifically, the width of the fixed-opening material channel 6 is greater than the diameter of the ring-shaped product and less than twice the diameter of the ring-shaped product, and further, the fixed-opening material channel 6 can be preferably designed to be 1.5 times the diameter of the ring-shaped product, and the nesting probability of the fixed-opening bulges and the fixed-opening openings is relatively large.
Decide the edge of opening material way 6 and be equipped with the baffle, be used for preventing that single lopps product from dropping, it is protruding to be provided with the opening of deciding that the opening width is littleer than the lopps product at the center of deciding opening material way 6, under the vibration condition, single lopps product can not blocked between deciding opening arch and baffle, and the opening of lopps product has great probability can block on deciding opening arch, and the lopps product that does not block on deciding opening arch is at the rotatory in-process of vibration burst device, advance along deciding opening material way 6, fall in feed bin 1 at last.
Example three: based on the first embodiment and the second embodiment, the present disclosure can further provide a discharging channel, as shown in fig. 6, an outlet channel 7 is further disposed behind the fixed-opening channel 6, so as to facilitate material receiving and processing after discharging.
The front end of the outlet material channel 7 is a thin sheet with the same or similar thickness with the fixed opening bulge of the fixed opening material channel 6, the rear end of the outlet material channel 7 gradually transits to a cylindrical rod with the inner diameter smaller than that of a ring product, and the lower part of the cylindrical rod is provided with an iron sheet for fixed opening. Is convenient for receiving and processing after discharging.
This embodiment can realize breaking up the burst piece to taking the open ring class product to decide the opening, the ring class product can be the ejection of compact from export material way 7 of a slice orderly arrangement. Manual manual selection slicing and feeding in the prior art are replaced by operation of the vibration slicing device, so that labor cost is saved, and processing efficiency is improved.
The present disclosure has been described in detail above, and the principles and embodiments of the present disclosure have been explained herein using specific examples, which are provided only to assist understanding of the present disclosure and the core concepts. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present disclosure without departing from the principle of the present disclosure, and such improvements and modifications also fall within the scope of the claims of the present disclosure.
Claims (10)
1. The utility model provides a take open-ended lopps product to use vibration fragmentation device which characterized in that: the method comprises the following steps:
the feeding device comprises a storage bin, a lifting mechanism and a lifting mechanism, wherein the storage bin is used for containing ring products with openings, the bottom of the storage bin is provided with at least one inclined material stirring mechanism, and the material stirring mechanism synchronously rotates and vibrates along with the storage bin and is used for scattering the hooked ring products with the openings;
the ring product screening device comprises a spiral rising material channel, wherein one end of the spiral rising material channel can introduce ring products at the bottom of a storage bin into the spiral rising material channel, the other end of the spiral rising material channel is provided with a serial connection preventing material channel, and the serial connection preventing material channel is used for screening off hooked ring products;
the anti-series material channel is connected with the screen, and the screen is provided with a screen hole for screening out single ring products;
the material receiving disc is arranged below the screen;
the single-selection material channel is connected with the material receiving disc and used for further screening ring products screened by the screen, and the single-selection material channel is provided with an edge.
2. The vibrating tablet apparatus of claim 1, wherein: the included angle between the material poking mechanism and the bottom of the storage bin is less than 60 degrees.
3. The vibrating tablet apparatus of claim 1, wherein: the included angle between the material poking mechanism and the bottom of the storage bin is 45 degrees.
4. The vibrating tablet apparatus of claim 1, wherein: the material shifting mechanism is arranged to be an arc-shaped rod.
5. The vibrating tablet apparatus of claim 1, wherein: the sieve holes are square slotted holes.
6. The vibrating tablet apparatus of claim 1, wherein: the width of the anti-string material channel is larger than the diameter of a single ring product with an opening and is smaller than 1.5 times of the diameter of the single ring product with the opening.
7. The vibrating tablet apparatus of claim 1, wherein: the vibration slicing device further comprises a fixed opening material channel, the fixed opening material channel is connected with a single material selecting channel, a fixed opening bulge is arranged at the center of the fixed opening material channel and used for clamping an opening of a ring product, and the function automation of the fixed opening is realized.
8. The vibratory tablet apparatus of claim 7, wherein the vibratory tablet apparatus comprises: the width of the opening-fixing material channel is larger than the diameter of the annular products and smaller than twice of the diameter of the annular products, and a baffle is arranged at the edge of the opening-fixing material channel.
9. The vibratory tablet apparatus of claim 8, wherein the vibratory tablet apparatus comprises: the fixed opening material channel is designed to be 1.5 times of the diameter of the ring-shaped product.
10. The vibratory tablet apparatus of claim 9, wherein the vibratory tablet apparatus comprises: the vibrating and slicing device further comprises an outlet material channel, one end of the outlet material channel is a flake with the same thickness as the fixed opening bulge of the fixed opening material channel, and the other end of the opening material channel is transited into a cylinder with the inner diameter smaller than that of the ring-shaped product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111485908.2A CN114289300B (en) | 2021-12-07 | 2021-12-07 | Vibration slicing device with opening for ring products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111485908.2A CN114289300B (en) | 2021-12-07 | 2021-12-07 | Vibration slicing device with opening for ring products |
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| Publication Number | Publication Date |
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| CN114289300A true CN114289300A (en) | 2022-04-08 |
| CN114289300B CN114289300B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111485908.2A Active CN114289300B (en) | 2021-12-07 | 2021-12-07 | Vibration slicing device with opening for ring products |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117483223A (en) * | 2023-12-27 | 2024-02-02 | 山西暾暾机械设备有限公司 | O-shaped sealing ring machining device for mine equipment |
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| GB1259969A (en) * | 1969-03-11 | 1972-01-12 | U S Components Inc | Feeding and affixing clips |
| EP2471629A1 (en) * | 2010-12-28 | 2012-07-04 | Mondragon Goi Eskola Politeknikoa Jose Maria Arizmendiarrieta, S.COOP. | Device and method for positioning retaining circlips |
| CN203064740U (en) * | 2012-12-14 | 2013-07-17 | 周家莉 | Alignment track for U-shaped workpieces |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117483223A (en) * | 2023-12-27 | 2024-02-02 | 山西暾暾机械设备有限公司 | O-shaped sealing ring machining device for mine equipment |
| CN117483223B (en) * | 2023-12-27 | 2024-03-22 | 山西暾暾机械设备有限公司 | O-shaped sealing ring machining device for mine equipment |
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| Publication number | Publication date |
|---|---|
| CN114289300B (en) | 2023-06-30 |
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