CN220591697U - Cutting positioning structure for baking varnish metal barrel production - Google Patents
Cutting positioning structure for baking varnish metal barrel production Download PDFInfo
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- CN220591697U CN220591697U CN202320903010.0U CN202320903010U CN220591697U CN 220591697 U CN220591697 U CN 220591697U CN 202320903010 U CN202320903010 U CN 202320903010U CN 220591697 U CN220591697 U CN 220591697U
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- 239000002184 metal Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000002966 varnish Substances 0.000 title claims description 10
- 230000008878 coupling Effects 0.000 claims abstract description 18
- 238000010168 coupling process Methods 0.000 claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 claims abstract description 18
- 230000009471 action Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000003973 paint Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 83
- 239000010959 steel Substances 0.000 abstract description 83
- 230000002457 bidirectional effect Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model belongs to the technical field of baking finish metal bucket production, in particular to a cutting and positioning structure for baking finish metal bucket production, which comprises a base; the top of the base is provided with a mounting groove, a bidirectional screw rod is rotationally mounted in the mounting groove, one end of the bidirectional screw rod is fixedly connected with a turntable, two sliding blocks are symmetrically sleeved on the bidirectional screw rod, vertical plates are fixedly connected on the two sliding blocks, a first motor and a shaft coupling are respectively mounted on the two vertical plates, the output end of the first motor is connected with a rotating shaft, and the other end of the rotating shaft penetrates through a lantern ring to be fixedly connected with a first positioning disc; when the barreled steel plate is positioned, the rotary table is rotated, so that the first positioning plate and the second positioning plate are close to each other, and the arc-shaped positioning block is outwards expanded until the arc-shaped positioning block is in contact with the inner wall of the barreled steel plate to be cut under the action of the first pneumatic cylinder, so that the barreled steel plates with different lengths can be fixed, and the barreled steel plates can be cut conveniently.
Description
Technical Field
The utility model relates to the technical field of baking finish metal bucket production, in particular to a cutting and positioning structure for baking finish metal bucket production.
Background
The metal baking varnish is industrial paint, and in order to improve the attractiveness, high temperature resistance and other performances of a metal barrel, the metal barrel is required to be subjected to baking varnish treatment, in the production process of the metal barrel, a steel plate is curled into a barreled steel plate for convenient cutting, then cutting treatment is carried out, and when the barreled steel plate is cut, the barreled steel plate is required to be fixed by using a positioning device for convenient accurate cutting.
The existing locating device for cutting is generally composed of a driving mechanism and a clamping block, and when the barreled steel plate is located, the clamping block is driven to clamp and locate the barreled steel plate through the action of the driving mechanism, so that the purpose of clamping and locating the barreled steel plate is achieved.
When the existing locating device for cutting is used for fixing the barreled steel plate, the barreled steel plate is in a hollow state, and the wall thickness of the steel plate is thinner, so that the clamping of the barreled steel plate is not stable enough, and the barreled steel plate is easy to displace during cutting, so that the cutting effect is poor; therefore, a cutting and positioning structure for the production of a varnish baking metal barrel is provided for the problems.
Disclosure of Invention
In order to overcome the defects in the prior art and solve the problems proposed by the background art, the utility model provides a cutting and positioning structure for the production of a baking varnish metal barrel.
The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a cutting and positioning structure for the production of a baking varnish metal barrel, which comprises a base; the four corners of the bottom of the base are welded with supporting columns, the top of the base is provided with a mounting groove, a bidirectional screw rod is rotationally mounted in the mounting groove, one end of the bidirectional screw rod is fixedly connected with a turntable, two sliding blocks are symmetrically sleeved on the bidirectional screw rod, two vertical plates are fixedly connected on the sliding blocks, a first motor and a shaft coupling are respectively mounted on the two vertical plates, the output end of the first motor is connected with a rotating shaft, one vertical plate is fixedly connected with an L-shaped plate, a lantern ring is fixedly connected on the L-shaped plate, the other end of the rotating shaft penetrates through the lantern ring and is fixedly connected with a first positioning disc, the lantern ring is in sliding connection with the rotating shaft, a rotating shaft is rotationally mounted on the shaft coupling and is coaxially arranged with the rotating shaft, the other end of the rotating shaft is fixedly connected with a second positioning disc, four first pneumatic cylinders are fixedly connected to the first positioning plate and the second positioning plate, a first pneumatic rod is assembled at the action end of each first pneumatic cylinder, an arc-shaped positioning block is fixedly connected to each first pneumatic rod, three springs are fixedly connected to each arc-shaped positioning block, an arc-shaped protection pad is fixedly connected to the three springs in a matching manner, the arc-shaped protection pad is made of rubber materials, in order to facilitate cutting of barreled steel plates, when the barreled steel plates are positioned, the rotary table is rotated to enable the first positioning plate and the second positioning plate to be close to each other, the arc-shaped positioning blocks are outwards expanded until the arc-shaped positioning blocks are in contact with the inner wall of the barreled steel plates to be cut through the action of the first pneumatic cylinders, so that barreled steel plates with different lengths can be fixed, the barreled steel plates can be cut conveniently later, the arc-shaped positioning blocks can be prevented from being abutted against the metal barrel to damage the inner wall of the metal barrel.
Preferably, the second pneumatic cylinder is installed to department in the middle of the top of base, be equipped with the second pneumatic lever on the second pneumatic cylinder, the rigid coupling has the arc to place the piece on the second pneumatic lever, be fixed with a plurality of cylinders on the arc is placed the piece, in order to improve the stability when cutting the barreled steel sheet, through the effect of second pneumatic cylinder, make the arc place the piece vertical movement to can support the circumference bottom of barreled steel sheet, improved the stability when the barreled steel sheet is rotatory to cut, avoid the phenomenon that barreled steel sheet takes place the displacement when cutting, improved the effect of cutting, through setting up the cylinder, can make barreled steel sheet reduce frictional force when rotatory cutting.
Preferably, the top both sides of base all are fixedly connected with two stands, two the diaphragm is installed to the stand cooperation, the spout has been seted up on the diaphragm, the second motor is installed to one side of diaphragm, the output of second motor is connected with the lead screw, just the other end of lead screw is rotated and is installed in keeping away from the second motor on the one end inner wall of spout, the cover is equipped with the worker's shape piece on the lead screw, the bottom rigid coupling of worker's shape piece has the third pneumatic cylinder, the action end of third pneumatic cylinder is equipped with the third pneumatic rod, the tip rigid coupling of third pneumatic rod has the mounting bracket, one side of mounting bracket is equipped with the third motor, the output of third motor is connected with the transmission shaft, just the other end rotation of transmission shaft is installed on the opposite side inner wall of mounting bracket, the cover is equipped with the cutter on the transmission shaft, just the cutter sets up in the mounting bracket, and barrel steel sheet both ends are fixed and the circumference face bottom also obtains supporting the back, when carrying out rotatory cutting to barrel steel sheet, the action through first motor, third pneumatic cylinder and third motor are convenient for cut the steel sheet together, can not cut the steel sheet through the rotation of the second drum.
The utility model has the advantages that:
1. when the barreled steel plate is positioned, the turntable is rotated to enable the first positioning plate and the second positioning plate to be close to each other, and the arc-shaped positioning block is outwards expanded under the action of the first pneumatic cylinder until the arc-shaped positioning block is in contact with the inner wall of the barreled steel plate to be cut, so that the barreled steel plates with different lengths can be fixed, and the barreled steel plate can be conveniently cut subsequently;
2. in order to improve the stability of cutting the barreled steel plate, the arc-shaped placing block is enabled to vertically move under the action of the second pneumatic cylinder, so that the bottom end of the circumferential surface of the barreled steel plate can be supported, the stability of the barreled steel plate during rotary cutting is improved, the phenomenon that the barreled steel plate is displaced during cutting is avoided, and the cutting effect is improved;
3. when the barreled steel plate is subjected to rotary cutting, the barreled steel plate can be subjected to rotary cutting through the combined action of the first motor, the third pneumatic cylinder and the third motor, and the barreled steel plate can be conveniently cut at different positions through the action of the second motor.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic overall perspective view;
FIG. 2 is a schematic diagram of a left-hand perspective structure of the positioning assembly;
FIG. 3 is a schematic cross-sectional perspective view of a base;
fig. 4 is a schematic cross-sectional perspective view of a cross-plate.
In the figure: 1. a base; 2. a support column; 3. a mounting groove; 4. a bidirectional screw; 5. a turntable; 6. a slide block; 7. a riser; 8. a first motor; 9. a rotating shaft; 10. a first positioning disk; 11. an L-shaped plate; 12. a collar; 13. a coupling; 14. a second positioning disk; 15. a first pneumatic cylinder; 16. a first pneumatic lever; 17. an arc-shaped positioning block; 18. a spring; 19. an arc-shaped protection pad; 20. a second pneumatic cylinder; 21. a second pneumatic lever; 22. arc-shaped placing blocks; 23. a roller; 24. a column; 25. a cross plate; 26. a chute; 27. a second motor; 28. a screw rod; 29. a I-shaped block; 30. a third pneumatic cylinder; 31. a mounting frame; 32. a third motor; 33. and (5) cutting the knife.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a cutting and positioning structure for producing a metal drum for baking varnish comprises a base 1; the four corners of the bottom of the base 1 are welded with support columns 2, the top of the base 1 is provided with a mounting groove 3, a bidirectional screw 4 is rotationally mounted in the mounting groove 3, one end of the bidirectional screw 4 is fixedly connected with a rotary table 5, two sliding blocks 6 are symmetrically sleeved on the bidirectional screw 4, vertical plates 7 are fixedly connected on the two sliding blocks 6, a first motor 8 and a coupling 13 are respectively mounted on the two vertical plates 7, the output end of the first motor 8 is connected with a rotary shaft 9, an L-shaped plate 11 is fixedly connected on one vertical plate 7, a lantern ring 12 is fixedly connected on the L-shaped plate 11, the other end of the rotary shaft 9 passes through the lantern ring 12 and is fixedly connected with a first positioning disc 10, the lantern ring 12 is in sliding connection with the rotary shaft 9, a rotary shaft is rotationally mounted on the coupling 13, the rotary shaft is coaxially arranged with the rotary shaft 9, the other end of the rotary shaft is fixedly connected with a second positioning disc 14, four first pneumatic cylinders 15 are fixedly connected on the first positioning disc 10 and the second positioning disc 14, a first pneumatic rod 16 is mounted at the action end of each first pneumatic cylinder 15, a first positioning block 16 is fixedly connected with a third arc-shaped positioning block 17, three arc-shaped protection pads 18 are fixedly connected on each first pneumatic positioning block 16, and three arc-shaped protection pads 19 are fixedly connected with three arc-shaped protection pads 18; in order to facilitate cutting of the barreled steel plate, the barreled steel plate needs to be fixed firstly, when the barreled steel plate is positioned, the rotary table 5 is rotated, the bidirectional screw 4 drives the two sliding blocks 6 to be close to each other, the first positioning disc 10 and the second positioning disc 14 are further close to each other, until the distance between the first positioning disc 10 and the second positioning disc 14 meets the length requirement of the barreled steel plate, the rotary table 5 is stopped, namely the first positioning disc 10 and the second positioning disc 14 are fixed, at the moment, the first pneumatic cylinder 15 is started, the first pneumatic rod 16 drives the arc-shaped positioning block 17 to expand outwards, and when the first pneumatic cylinder 15 is in contact with the inner wall of the barreled steel plate to be cut, the operation of the first pneumatic cylinder 15 is stopped, so that the barreled steel plate can be fixed, the barreled steel plate can be cut conveniently later, and damage to the inner wall of the barreled steel plate can be avoided by arranging the spring 18 and the arc-shaped protection pad 19.
Referring to fig. 4, a second pneumatic cylinder 20 is installed in the middle of the top of the base 1, a second pneumatic rod 21 is assembled on the second pneumatic cylinder 20, an arc-shaped placing block 22 is fixedly connected on the second pneumatic rod 21, and a plurality of rollers 23 are fixed on the arc-shaped placing block 22; when cutting barreled steel plate, in order to improve the stability when cutting barreled steel plate, through setting up second pneumatic cylinder 20, through the effect of second pneumatic cylinder 20, make second pneumatic rod 21 drive the arc place piece 22 vertical removal to can support the circumference bottom of barreled steel plate, improve the rotatory stability when cutting of barreled steel plate, avoid the phenomenon that the barreled steel plate takes place the displacement when cutting, improve the effect of cutting, through setting up cylinder 23, can make barreled steel plate reduce frictional force when rotatory cutting.
Referring to fig. 4, two upright posts 24 are fixedly connected to two sides of the top of the base 1, a transverse plate 25 is mounted on the two upright posts 24 in a matched manner, a chute 26 is formed in the transverse plate 25, a second motor 27 is mounted on one side of the transverse plate 25, a lead screw 28 is connected to the output end of the second motor 27, the other end of the lead screw 28 is rotatably mounted on the inner wall of one end of the chute 26 far away from the second motor 27, an i-shaped block 29 is sleeved on the lead screw 28, a third pneumatic cylinder 30 is fixedly connected to the bottom end of the i-shaped block 29, a third pneumatic rod is mounted at the acting end of the third pneumatic cylinder 30, a mounting frame 31 is fixedly connected to the end of the third pneumatic rod, a third motor 32 is mounted on one side of the mounting frame 31, a transmission shaft is connected with a transmission shaft, a cutting knife 33 is sleeved on the transmission shaft, the cutting knife 33 is arranged in the mounting frame 31, two ends of a barreled steel plate are fixed, and after the bottom end of the circumference surface is also supported, when the barreled steel plate is rotatably cut, the first motor 8 is started, the whole positioning assembly drives the barreled steel plate is rotated, the third pneumatic cylinder 30 is conveniently to move until the third pneumatic rod is stopped, the third pneumatic rod is mounted on the end of the cylinder 30, the cylinder is automatically moved until the third pneumatic rod is automatically, and the third pneumatic rod is stopped, and the cutting assembly is automatically moved, and the third pneumatic rod is automatically moves until the third pneumatic rod is automatically moved, and the cutting cylinder 30 is automatically, and the cutting cylinder is automatically moved.
The working principle is that when the existing locating device for cutting is used for fixing the barreled steel plate, the inside of the barreled steel plate is in a hollow state, and the wall thickness of the steel plate is thinner, so that the clamping of the barreled steel plate is not stable enough, the barreled steel plate is easy to displace during cutting, and the cutting effect is poor; therefore, a cutting and positioning structure for producing a baking varnish metal barrel is provided for solving the problems; in order to facilitate cutting of the barreled steel plate, the barreled steel plate needs to be fixed firstly, when the barreled steel plate is positioned, the rotary table 5 is rotated, the bidirectional screw 4 drives the two sliding blocks 6 to be close to each other, the first positioning disk 10 and the second positioning disk 14 are further close to each other, until the distance between the first positioning disk 10 and the second positioning disk 14 meets the length requirement of the barreled steel plate, the rotary table 5 is stopped, namely the first positioning disk 10 and the second positioning disk 14 are fixed, at the moment, the first pneumatic cylinder 15 is started, the first pneumatic rod 16 drives the arc-shaped positioning block 17 to expand outwards, and when the first pneumatic cylinder 15 is in contact with the inner wall of the barreled steel plate to be cut, the barreled steel plate can be fixed, the subsequent cutting of the barreled steel plate is facilitated, and damage to the inner wall of the barreled steel plate caused by the arc-shaped positioning block 17 contacting the metal barrel can be avoided through the arrangement of the spring 18 and the arc-shaped protection pad 19; when the barreled steel plate is cut, in order to improve the stability of the barreled steel plate during cutting, the second pneumatic cylinder 20 is arranged, and the second pneumatic rod 21 drives the arc-shaped placing block 22 to move vertically under the action of the second pneumatic cylinder 20, so that the bottom end of the circumferential surface of the barreled steel plate can be supported, the stability of the barreled steel plate during rotary cutting is improved, the phenomenon that the barreled steel plate is displaced during cutting is avoided, the cutting effect is improved, and the friction force of the barreled steel plate during rotary cutting can be reduced through the roller 23;
after the two ends of the barreled steel plate are fixed and the bottom end of the circumference surface is also supported, when the barreled steel plate is rotationally cut, the first motor 8 is started, the whole positioning assembly drives the barreled steel plate to rotate, so that the barreled steel plate is conveniently and subsequently rotationally cut, the third pneumatic cylinder 30 is started, the third pneumatic rod drives the cutting knife 33 to vertically move down until the cutting knife is moved to the optimal cutting height, the third pneumatic cylinder 30 stops working, the third motor 32 is started at the moment, the cutting knife 33 is made to rotate, the barreled steel plate can be rotationally cut, the screw rod 28 drives the I-shaped block 29 to horizontally move under the action of the second motor 27, the whole cutting assembly is further made to move, and cutting of different positions of the barreled steel plate is facilitated.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. Cutting and positioning structure for baking varnish metal bucket production, which is characterized in that: comprises a base (1); the utility model discloses a pneumatic positioning device for a gas turbine, including base (1), support column (2) have all been welded in the bottom four corners of base (1), mounting groove (3) have been seted up at the top of base (1), bi-directional screw (4) are installed in mounting groove (3) internal rotation, just the one end rigid coupling of bi-directional screw (4) has carousel (5), symmetry cover is equipped with two sliders (6) on bi-directional screw (4), two all the rigid coupling has riser (7) on slider (6), two install first motor (8) and shaft coupling (13) on riser (7) respectively, the output of first motor (8) is connected with axis of rotation (9), one rigid coupling has L shaped plate (11) on riser (7), the rigid coupling has lantern ring (12) on L shaped plate (11), the other end rigid coupling of axis of rotation (9) has first positioning disk (10) through lantern ring (12), just lantern ring (12) and axis of rotation (9) sliding connection, rotation has rotation axis (7), rotation axis and axis of rotation (9) are installed in rotation on shaft coupling (13) respectively, rotation axis and axis of rotation (9) are provided with a fourth positioning cylinder (14) rigid coupling.
2. The cutting and positioning structure for the production of a paint-baking metal barrel according to claim 1, wherein: the action end of each first pneumatic cylinder (15) is provided with a first pneumatic rod (16), each first pneumatic rod (16) is fixedly connected with an arc-shaped positioning block (17), each arc-shaped positioning block (17) is fixedly connected with three springs (18), the three springs (18) are matched and fixedly connected with an arc-shaped protection pad (19), and the arc-shaped protection pad (19) is made of rubber.
3. The cutting and positioning structure for the production of a paint-baking metal barrel according to claim 1, wherein: the pneumatic device is characterized in that a second pneumatic cylinder (20) is arranged in the middle of the top of the base (1), a second pneumatic rod (21) is assembled on the second pneumatic cylinder (20), an arc-shaped placing block (22) is fixedly connected to the second pneumatic rod (21), and a plurality of rollers (23) are fixed on the arc-shaped placing block (22).
4. The cutting and positioning structure for the production of a paint-baking metal barrel according to claim 1, wherein: the utility model discloses a base, including base (1) and stand, stand (24) are all rigid coupling in the top both sides of base (1), two stand (24) cooperation is installed diaphragm (25), spout (26) have been seted up on diaphragm (25), second motor (27) are installed to one side of diaphragm (25), the output of second motor (27) is connected with lead screw (28), just the other end rotation of lead screw (28) is installed on keeping away from second motor (27) on the one end inner wall of spout (26), the cover is equipped with worker's shape piece (29) on lead screw (28).
5. The cutting and positioning structure for paint baking metal bucket production as defined in claim 4, wherein: the bottom of the I-shaped block (29) is fixedly connected with a third pneumatic cylinder (30), the acting end of the third pneumatic cylinder (30) is provided with a third pneumatic rod, and the end part of the third pneumatic rod is fixedly connected with a mounting frame (31).
6. The cutting and positioning structure for paint baking metal bucket production according to claim 5, wherein: one side of mounting bracket (31) is equipped with third motor (32), the output of third motor (32) is connected with the transmission shaft, just the other end of transmission shaft rotates and installs on the opposite side inner wall of mounting bracket (31), the cover is equipped with on the transmission shaft cuts sword (33), just cut sword (33) set up in mounting bracket (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320903010.0U CN220591697U (en) | 2023-04-19 | 2023-04-19 | Cutting positioning structure for baking varnish metal barrel production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320903010.0U CN220591697U (en) | 2023-04-19 | 2023-04-19 | Cutting positioning structure for baking varnish metal barrel production |
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| Publication Number | Publication Date |
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| CN220591697U true CN220591697U (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320903010.0U Active CN220591697U (en) | 2023-04-19 | 2023-04-19 | Cutting positioning structure for baking varnish metal barrel production |
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| CN (1) | CN220591697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118060592A (en) * | 2024-04-22 | 2024-05-24 | 中铝物流集团有限公司山东分公司 | General boring device of loader bucket |
-
2023
- 2023-04-19 CN CN202320903010.0U patent/CN220591697U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118060592A (en) * | 2024-04-22 | 2024-05-24 | 中铝物流集团有限公司山东分公司 | General boring device of loader bucket |
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