CN212333884U - Automatic feeding device for nuts - Google Patents
Automatic feeding device for nuts Download PDFInfo
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- CN212333884U CN212333884U CN202020646026.4U CN202020646026U CN212333884U CN 212333884 U CN212333884 U CN 212333884U CN 202020646026 U CN202020646026 U CN 202020646026U CN 212333884 U CN212333884 U CN 212333884U
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Abstract
The utility model discloses an automatic feeding device for nuts, which comprises a vibration feeding mechanism; the positioning seat is fixed at the output end of the vibration feeding mechanism to receive the nut and is provided with a first positioning groove and a second positioning groove which are arranged at two sides of the output end of the vibration feeding mechanism at intervals; the sliding block is arranged between the vibration feeding mechanism and the positioning seat, and the first driving mechanism drives the sliding block to slide; and the pushing mechanism and the material taking mechanism are used for pushing the nuts in the first feeding groove and the second feeding groove to the corresponding positioning grooves. The scheme in this embodiment has advantages such as promotion production efficiency, reduction cost of labor.
Description
Technical Field
The utility model relates to an injection molding field, specific be an automatic feeding device for nut.
Background
Along with the rapid development of electronic products, electronic products are more and more diversified, and therefore, the structure of plastic parts, which are main components of electronic products, is more and more diversified. Through pre-buried nut in the screw hole at plastic part, make plastic part pass through this nut and screwed connection, can reduce the smooth silk rate of plastic part, improve the locking ability of plastic part and screw. At present, the common embedding method includes a cold pressing embedding method, specifically, after a plastic part is formed, a nut is pressed into a screw hole of the plastic part by pressing the nut and the plastic part.
With the continuous increase of manpower cost and output demand, how to improve the yield of products, improve the production efficiency, reduce the manpower cost and the like by improving the operation mode is a technical problem continuously researched by technicians in the field.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect among the prior art, the embodiment of the utility model provides an automatic feeding device for nut, it can improve production efficiency, reduces the cost of labor.
The embodiment of the application discloses: an automatic feeding device for nuts, comprising:
the vibration feeding mechanism comprises an input end for receiving the nut and an output end for outputting the nut;
the positioning seat is fixed at the output end of the vibration feeding mechanism and used for receiving a nut, and comprises a first positioning groove and a second positioning groove which are arranged at two sides of the output end of the vibration feeding mechanism at intervals;
the sliding feeding mechanism comprises a sliding block and a first driving mechanism, the sliding block is arranged between the output end of the vibrating feeding mechanism and the first positioning groove and the second positioning groove, the first driving mechanism drives the sliding block to slide, a first feeding groove and a second feeding groove are arranged on the sliding block at intervals along the sliding direction of the sliding block, the first feeding groove is aligned with the output end of the vibrating feeding mechanism when the second feeding groove is aligned with the second positioning groove, and the second feeding groove is aligned with the output end of the vibrating feeding mechanism when the first feeding groove is aligned with the first positioning groove;
the pushing mechanism comprises a first push rod, a second driving mechanism used for driving the first push rod to move, a second push rod and a third driving mechanism used for driving the second push rod to move, the first push rod is positioned on one side, away from the first positioning groove, of the sliding block and corresponds to the first positioning groove, and the second push rod is positioned on one side, away from the second positioning groove, of the sliding block and corresponds to the second positioning groove;
the material taking and placing mechanism comprises a first gripper arranged above the first positioning groove, a second gripper arranged above the second positioning groove, and a fourth driving mechanism for driving the first gripper and the second gripper to lift and horizontally move.
Specifically, the first positioning groove and the second positioning groove are arranged on one side, away from the vibration feeding mechanism, of the positioning seat, the positioning seat faces towards one side of the vibration feeding mechanism, a sliding groove used for installing the sliding block is further formed in one side, facing towards one side of the vibration feeding mechanism, of the sliding groove, a third transition groove corresponding to the output end of the vibration feeding mechanism, a first transition groove located on one side of the third transition groove and corresponding to the first positioning groove, and a second transition groove located on the other side of the third transition groove and corresponding to the second positioning groove are formed in the side wall, facing towards one side of the vibration feeding mechanism, of the sliding groove, and the first transition groove, the second transition groove and the third transition groove respectively penetrate through the side wall of the sliding groove.
Specifically, the first constant head tank deviates from vibration feeding mechanism's one end is equipped with first locating piece, the one end that the second constant head tank deviates from vibration feeding mechanism is equipped with the second locating piece, first locating piece with the second locating piece orientation vibration feeding mechanism's one end be used for with the nut butt.
Specifically, the nut is hexagon nut, first locating piece with the second locating piece be used for with the one end of hexagon nut butt has first wall and second wall, first wall with 120 contained angles are personally submitted to the second wall.
Specifically, the first push rod and the second push rod are used for pushing one end of the hexagonal nut to be provided with a third wall surface and a fourth wall surface, and an included angle of 120 degrees is formed between the third wall surface and the fourth wall surface.
Specifically, the device further comprises a first sensing mechanism corresponding to the first positioning groove and a second sensing mechanism corresponding to the second positioning groove, and the first sensing mechanism and the second sensing mechanism are electrically connected with the fourth driving mechanism respectively.
Specifically, the first gripper and the second gripper respectively comprise a main body and a grabbing portion fixed to the main body, wherein the main body faces one end of the nut and is used for extending into the nut, the grabbing portion comprises four elastic sheets arranged at intervals along the circumferential direction, and the diameter of a circle corresponding to the four elastic sheets in a free state is larger than the inner diameter of the nut.
Specifically, one end, facing the nut, of each elastic sheet is further provided with a chamfered part, and the diameter of a circle corresponding to the four chamfered parts in a free state is smaller than the inner diameter of the nut.
Specifically, the shell fragment includes the first portion of being connected with the main part, the second portion of contacting with the nut, and the clearance between two adjacent first portions equals with the clearance between two adjacent second portions, four the diameter of the circle that the first portion encloses and constitutes is greater than four the diameter of the circle that the second portion encloses and constitutes, just the length of first portion is greater than the length of second portion.
The utility model discloses following beneficial effect has at least:
the automatic feeding device for the nuts in the embodiment can realize automation of nut taking and placing through the vibration feeding mechanism, the positioning seat, the sliding feeding mechanism, the material pushing mechanism and the material taking and placing mechanism which are matched with each other, improves production efficiency, and saves working hours and labor cost. In addition, through the slider that can switch the station in first constant head tank and second constant head tank to realize that the nut is taken away simultaneously again after fixing a position in two constant head tanks, simplified automation equipment's operation route, further improved production efficiency.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an automatic feeding device for nuts according to an embodiment of the present invention;
fig. 2 is a top view of the automatic feeding device for nuts according to the embodiment of the present invention;
fig. 3 is a schematic structural view illustrating the matching of the positioning seat and the sliding block in the embodiment of the present invention;
fig. 4 is a schematic structural view of the sliding feeding mechanism and the pushing mechanism in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of the first gripper or the second gripper according to an embodiment of the present invention.
Reference numerals of the above figures: 1. a vibration feeding mechanism; 2. positioning seats; 21. a first positioning groove; 22. a second positioning groove; 23. a chute; 24. a first transition groove; 25. a second transition groove; 26. a third transition groove; 27. a first positioning block; 28. a second positioning block; 31. a slider; 311. a first feed chute; 312. a second feed chute; 32. a first drive mechanism; 41. a first push rod; 42. a second push rod; 43. a second drive mechanism; 44. a third drive mechanism; 51. a first gripper; 52. a second gripper; 511. a main body; 512. a spring plate; 5121. a first part; 5122. a second section; 61. a first sensing mechanism; 62. a second sensing mechanism; 7. and a nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 4, the automatic feeding device for nuts in the present embodiment includes:
the vibratory feeding mechanism 1 comprises an input end for receiving the nut 7 and an output end for outputting the nut 7. Specifically, the vibration feeding mechanism 1 may be a linear vibration feeding mechanism 1, an input end of the linear vibration feeding mechanism 1 may be communicated with a vibration disc, and the vibration feeding mechanism 1 may output the nuts 7 sequentially from an output end after being arranged linearly thereon in a vibration manner.
And the positioning seat 2 is fixed at the output end of the vibration feeding mechanism 1 and is used for receiving a nut 7 from the output end. The positioning seat 2 may include a first positioning groove 21 and a second positioning groove 22, and the first positioning groove 21 and the second positioning groove 22 may be disposed at two sides of the output end of the vibration feeding mechanism 1 at intervals. Specifically, the positioning socket 2 may be disposed at an output end of the linear vibration feeding mechanism 1 along a direction perpendicular to the length direction of the linear vibration feeding mechanism 1, and the output end of the vibration feeding mechanism 1 is located at a center of a connecting line of the first positioning groove 21 and the second positioning groove 22, in other words, a distance between the output end and the first positioning groove 21 is preferably equal to a distance between the output end and the second positioning groove 22.
The sliding feeding mechanism comprises a sliding block 31 arranged between the output end of the vibrating feeding mechanism 1 and the first positioning groove 21 and the second positioning groove 22, and a first driving mechanism 32 for driving the sliding block 31 to slide. The slider 31 is provided with a first feeding slot 311 and a second feeding slot 312 at intervals along the sliding direction thereof, and under the driving of the first driving mechanism 32, the slider 31 can slide to make the first feeding slot 311 correspond to the first positioning slot 21 (for example, alignment, in this embodiment, "corresponding" can include alignment), and the slider 31 can also slide to make the second feeding slot 312 correspond to the second positioning slot 22. Also, the first feed chute 311 aligns with the output end of the vibratory feed mechanism 1 to receive the nuts 7 when the second feed chute 312 aligns with the second detent 22, and the second feed chute 312 aligns with the output end of the vibratory feed mechanism 1 to receive the nuts 7 when the first feed chute 311 aligns with the first detent 21. Specifically, along the sliding direction of the slider 31, the output end of the vibration feeding mechanism 1 is located on one side of the slider 31, the first positioning groove 21 and the second positioning groove 22 are located on the other side of the slider 31, and the slider 31 can slide relative to the first positioning groove 21 and the second positioning groove 22, so as to complete the action of receiving the nut 7 from the output end of the vibration feeding mechanism 1 and then conveying the nut 7 to the corresponding positioning groove.
And the pushing mechanism comprises a first push rod 41, a second driving mechanism 43 for driving the first push rod 41 to move, a second push rod 42 and a third driving mechanism 44 for driving the second push rod 42 to move. The first push rod 41 is located on a side of the slider 31 away from the first positioning groove 21 and corresponds to the first positioning groove 21, and the second push rod 42 is located on a side of the slider 31 away from the second positioning groove 22 and corresponds to the second positioning groove 22.
The material taking and placing mechanism comprises a first hand grip 51 arranged above the first positioning groove 21, a second hand grip 52 arranged above the second positioning groove 22 and a fourth driving mechanism for driving the first hand grip 51 and the second hand grip 52 to lift and move horizontally.
Wherein the first driving mechanism 32, the second driving mechanism 43, the third driving mechanism 44 and the fourth driving mechanism may be air cylinders. Preferably, the distance between the first feeding chute 311 and the second feeding chute 312 is half of the distance between the first positioning chute 21 and the second positioning chute 22, that is, the distance between the first feeding chute 311 and the second feeding chute 312 is equal to the distance between the first positioning chute 21 and the output end of the vibration feeding mechanism 1, and is equal to the distance between the second positioning chute 22 and the output end of the vibration feeding mechanism 1.
By means of the structure, the working principle of the automatic feeding device for the nuts in the embodiment is as follows:
first, the first driving mechanism 32 drives the slider 31 to slide to align the first feed chute 311 with the output end of the vibratory feed mechanism 1 to receive the nut 7.
Then, the first driving mechanism 32 drives the sliding block 31 to slide until the first feeding slot 311 is aligned with the first positioning slot 21 on the positioning seat 2, and after the two are aligned, the second driving mechanism 43 drives the first push rod 41 to push the nut 7 in the first feeding slot 311 into the first positioning slot 21, and meanwhile, the second feeding slot 312 is aligned with the output end of the vibration feeding mechanism 1 to receive the nut 7.
Then, the first driving mechanism 32 drives the sliding block 31 to slide until the second feeding slot 312 is aligned with the second positioning slot 22, and after the two are aligned, the third driving mechanism 44 drives the second push rod 42 to push the nut 7 in the second feeding slot 312 to the second positioning slot 22, and at this time, the first feeding slot 311 is aligned with the output end of the vibration feeding mechanism 1 to receive the nut 7.
Then, the fourth driving mechanism drives the first gripper 51 and the second gripper 52 to descend to take out the nut 7 from the corresponding positioning slot, then drives the two grippers to move to the position corresponding to the screw hole of the plastic part, and finally drives the two grippers to descend to press the two nuts 7 into the screw hole of the plastic part.
Specifically, as shown in fig. 1 and 3, the first positioning groove 21 and the second positioning groove 22 may be disposed on a side of the positioning seat 2 away from the vibration feeding mechanism 1, and a sliding groove 23 for mounting the sliding block 31 may be further disposed on a side of the positioning seat 2 facing the vibration feeding mechanism 1. The side wall of the chute 23 facing the side of the vibration feeding mechanism 1 may further be provided with a third transition groove 26 corresponding to the output end of the vibration feeding mechanism 1, a first transition groove 24 located on one side of the third transition groove 26 and corresponding to the first positioning groove 21, and a second transition groove 25 located on the other side of the third transition groove 26 and corresponding to the second positioning groove 22. The first transition groove 24, the second transition groove 25 and the third transition groove 26 each extend through a corresponding side wall of the slide groove 23, i.e., each of the three transition grooves extends through the slide groove 23 toward the side wall of the vibration feeding mechanism 1.
By adopting the above scheme, the sliding block 31 in the embodiment is embedded in the positioning seat 2, so that the extra guide piece during the sliding of the sliding block 31 can be saved, and the sliding of the sliding block 31 can be ensured normally and accurately without arranging other guide pieces between the vibration feeding mechanism 1 and the positioning seat 2, so that the output end of the vibration feeding mechanism 1 can be in seamless butt joint with the positioning groove on the positioning seat 2, or the one end of the output nut 7 is in seamless butt joint with the one end of the receiving nut 7, and the positioning efficiency and accuracy are improved.
Specifically, as shown in fig. 4, a first positioning block 27 may be further disposed at an end of the first positioning groove 21 away from the vibration feeding mechanism 1, and similarly, a second positioning block 28 may be further disposed at an end of the second positioning groove 22 away from the vibration feeding mechanism 1, and ends of the first positioning block 27 and the second positioning block 28 facing the vibration feeding mechanism 1 are used for abutting against the nut 7. When the first push rod 41 and the second push rod 42 push the nut 7 into the corresponding positioning grooves, the first positioning block 27 and the second positioning block 28 can limit the movement stroke of the nut 7, and play a role in positioning the nut 7. Furthermore, the ends of the first positioning block 27 and the second positioning block 28 abutting against the nut 7 may be configured to follow the shape of the nut 7, so as to improve the positioning effect. In this embodiment, the nut 7 may be a hexagon nut, and thus, the end of the first positioning block 27 and the end of the second positioning block 28, which are used for abutting against the hexagon nut, may include a first wall surface and a second wall surface (not shown in the figures), and an included angle of 120 ° may be formed between the first wall surface and the second wall surface, so that the first wall surface and the second wall surface respectively abut against two side walls of the hexagon nut. Similarly, preferably, the ends of the first push rod 41 and the second push rod 42 for pushing the hexagon nut may also have a third wall surface and a fourth wall surface, respectively, and an included angle of 120 ° may also be formed between the third wall surface and the fourth wall surface.
Specifically, as shown in fig. 1 and 2, the automatic feeding device for nuts in this embodiment may further include a first sensing mechanism 61 corresponding to the first positioning groove 21, and a second sensing mechanism 62 corresponding to the second positioning groove 22, where the first sensing mechanism 61 and the second sensing mechanism 62 are respectively electrically connected to the fourth driving mechanism. Whether first response mechanism 61 and second response mechanism 62 are used for responding to have nut 7 in the constant head tank that corresponds to feed back the response result to fourth actuating mechanism, when the response result all has nut 7 in two constant head tanks, two tongs descends in order to snatch nut 7 of fourth actuating mechanism drive, when the response result is that one of them constant head tank or two constant head tanks do not have nut 7, fourth actuating mechanism does not drive the tongs and snatchs nut 7. Therefore, the nut 7 can be prevented from being neglected in the screw hole of the plastic part, and the reject ratio of the product is reduced.
Specifically, as shown with particular reference to fig. 1 and 5, the first and second hand grips 51 and 52 may respectively include a main body 511 and a gripping portion fixed to an end of the main body 511 facing the nut 7, which may be inserted into an inner hole of the nut 7 to grip the nut 7. The grabbing portion may include four elastic pieces 512 arranged at intervals along the circumferential direction, the diameter of a circle formed by the four elastic pieces 512 in a free state is slightly larger than the inner diameter of the thread of the nut 7, and the four elastic pieces 512 can simultaneously extend into the thread hole of the nut 7 in a pressed state. Each spring plate 512 is further provided with a chamfered portion (not shown) at its end facing the nut 7, and the diameter of a circle surrounded by the four chamfered portions in a free state is smaller than the inner diameter of the thread of the nut 7. Furthermore, the elastic sheet 512 may include a first portion 5121 connected to the main body 511 and a second portion 5122 contacting the nut 7, a gap between two adjacent first portions 5121 is equal to a gap between two adjacent second portions 5122, a diameter of a circle surrounded by four first portions 5121 is greater than a diameter of a circle surrounded by four second portions 5122, and a length of the first portion 5121 is greater than the length of the second portion 5122.
By adopting the scheme, the first gripper 51 and the second gripper 52 can grip the nut 7 in the interference fit mode of the threaded holes of the plurality of elastic sheets 512 and the nut 7, the chamfer part is favorable for the elastic sheets 512 to extend into the threaded holes of the nut 7, the first part 5121 with the length being larger than that of the second part 5122 can improve the strength of the elastic sheets 512, and the elastic sheets 512 can also be favorable for elastic deformation.
In conclusion, the automatic feeding device for the nuts in the embodiment can realize the automation of taking and placing the nuts 7 through the vibration feeding mechanism 1, the positioning seat 2, the sliding feeding mechanism, the material pushing mechanism and the material taking and placing mechanism which are matched with each other, so that the production efficiency is improved, and the working hours and the labor cost are saved. In addition, the slide block 31 capable of switching the stations in the first positioning groove 21 and the second positioning groove 22 is used for realizing that the nut 7 is positioned in the two positioning grooves and then taken away at the same time, so that the operation route of automatic equipment is simplified, and the production efficiency is further improved.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (9)
1. An automatic feeding device for nuts, comprising:
the vibration feeding mechanism comprises an input end for receiving the nut and an output end for outputting the nut;
the positioning seat is fixed at the output end of the vibration feeding mechanism and used for receiving a nut, and comprises a first positioning groove and a second positioning groove which are arranged at two sides of the output end of the vibration feeding mechanism at intervals;
the sliding feeding mechanism comprises a sliding block and a first driving mechanism, the sliding block is arranged between the output end of the vibrating feeding mechanism and the first positioning groove and the second positioning groove, the first driving mechanism drives the sliding block to slide, a first feeding groove and a second feeding groove are arranged on the sliding block at intervals along the sliding direction of the sliding block, the first feeding groove is aligned with the output end of the vibrating feeding mechanism when the second feeding groove is aligned with the second positioning groove, and the second feeding groove is aligned with the output end of the vibrating feeding mechanism when the first feeding groove is aligned with the first positioning groove;
the pushing mechanism comprises a first push rod, a second driving mechanism used for driving the first push rod to move, a second push rod and a third driving mechanism used for driving the second push rod to move, the first push rod is positioned on one side, away from the first positioning groove, of the sliding block and corresponds to the first positioning groove, and the second push rod is positioned on one side, away from the second positioning groove, of the sliding block and corresponds to the second positioning groove;
the material taking and placing mechanism comprises a first gripper arranged above the first positioning groove, a second gripper arranged above the second positioning groove, and a fourth driving mechanism for driving the first gripper and the second gripper to lift and horizontally move.
2. The device as claimed in claim 1, wherein the first positioning groove and the second positioning groove are disposed on a side of the positioning seat facing away from the vibration feeding mechanism, a sliding groove for mounting the slider is further disposed on a side of the positioning seat facing toward the vibration feeding mechanism, a third transition groove corresponding to the output end of the vibration feeding mechanism, a first transition groove corresponding to the first positioning groove and located on a side of the third transition groove, and a second transition groove corresponding to the second positioning groove and located on an opposite side of the third transition groove are disposed on a side wall of the sliding groove facing toward the vibration feeding mechanism, and the first transition groove, the second transition groove and the third transition groove respectively penetrate through a side wall of the sliding groove.
3. The device according to claim 1, wherein a first positioning block is arranged at one end of the first positioning groove, which is away from the vibration feeding mechanism, a second positioning block is arranged at one end of the second positioning groove, which is away from the vibration feeding mechanism, and the ends of the first positioning block and the second positioning block, which face the vibration feeding mechanism, are used for abutting against the nut.
4. The device according to claim 3, wherein the nut is a hexagon nut, one end of the first positioning block and the second positioning block, which is abutted against the hexagon nut, is provided with a first wall surface and a second wall surface, and the first wall surface and the second wall surface form an included angle of 120 degrees.
5. The device of claim 4, wherein the first and second push rods have third and fourth walls at an end for pushing the hex nut, and the third and fourth walls form an included angle of 120 °.
6. The device of claim 1, further comprising a first sensing mechanism corresponding to the first positioning slot and a second sensing mechanism corresponding to the second positioning slot, wherein the first sensing mechanism and the second sensing mechanism are electrically connected to the fourth driving mechanism, respectively.
7. The device according to claim 1, wherein the first gripper and the second gripper respectively comprise a main body and a gripping part fixed at one end of the main body facing the nut and used for extending into the nut, the gripping part comprises four elastic sheets arranged at intervals along the circumferential direction, and the diameter of a circle corresponding to the four elastic sheets in a free state is larger than the inner diameter of the nut.
8. The device as claimed in claim 7, wherein each spring plate is further provided with a chamfered portion at an end facing the nut, and the diameter of a corresponding circle of the four chamfered portions in a free state is smaller than the inner diameter of the nut.
9. The device of claim 7, wherein the spring plate comprises first portions connected with the main body and second portions in contact with the nut, a gap between two adjacent first portions is equal to a gap between two adjacent second portions, a diameter of a circle formed by the four first portions is larger than a diameter of a circle formed by the four second portions, and a length of each first portion is larger than a length of each second portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020646026.4U CN212333884U (en) | 2020-04-26 | 2020-04-26 | Automatic feeding device for nuts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020646026.4U CN212333884U (en) | 2020-04-26 | 2020-04-26 | Automatic feeding device for nuts |
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| CN212333884U true CN212333884U (en) | 2021-01-12 |
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| CN202020646026.4U Active CN212333884U (en) | 2020-04-26 | 2020-04-26 | Automatic feeding device for nuts |
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| CN (1) | CN212333884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114906556A (en) * | 2022-03-31 | 2022-08-16 | 东莞市立海隆机械设备有限公司 | Wear shell machine loading attachment |
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2020
- 2020-04-26 CN CN202020646026.4U patent/CN212333884U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114906556A (en) * | 2022-03-31 | 2022-08-16 | 东莞市立海隆机械设备有限公司 | Wear shell machine loading attachment |
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