CN115255246B - Combined size-adjustable die for manufacturing general parts - Google Patents
Combined size-adjustable die for manufacturing general parts Download PDFInfo
- Publication number
- CN115255246B CN115255246B CN202210928758.6A CN202210928758A CN115255246B CN 115255246 B CN115255246 B CN 115255246B CN 202210928758 A CN202210928758 A CN 202210928758A CN 115255246 B CN115255246 B CN 115255246B
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- clamping plate
- sealed cabin
- output shaft
- piston
- tooth
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 16
- 239000011324 bead Substances 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000035515 penetration Effects 0.000 description 4
- 239000002775 capsule Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
- B21J7/02—Special design or construction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a combined type size-adjustable die for manufacturing general parts, which comprises a size adjusting device, a first clamping plate, a second clamping plate and a driving motor mounting bin, wherein the first clamping plate and the second clamping plate are both arranged in the size adjusting device, and the size adjusting device comprises a fixed block, a fixed plate, screws, a steel wire ring, a metal plate, a connecting rod and an adjusting bolt. According to the invention, the connecting rods are driven to move close to each other by screwing the adjusting bolts, the two ends of the bead rings are close to each other by means of the traction action of the metal plates, the first clamping plate and the second clamping plate fixed on the fixing plate are contracted close to each other, the piston ring is clamped on the piston, the bottom surface of the vibration disc is aligned to the top surface of the piston, the output shaft connected with the first rotating disc enables the vibration disc to intermittently move downwards, the vibration disc is driven to push the piston into the engine cylinder, and the situation that the piston needs to be manually beaten is avoided.
Description
Technical Field
The invention relates to the technical field of piston ring installation accessories, in particular to a combined size-adjustable die for manufacturing general parts.
Background
The piston and the piston ring are used as one of the common parts, the piston ring contractor is used for installation, the existing piston ring contractor is divided into 4 inch, 6 inch and other types with different sizes, and then the piston ring contractor with different sizes needs to be replaced when the piston with different sizes is handled, so that the installation operation of the piston ring becomes complicated, and in the use process of the piston ring contractor, the piston ring and the piston need to be manually hit by a rubber hammer to enable the piston to smoothly enter the cylinder body, so that the combined size-adjustable die for manufacturing the common parts is provided.
Disclosure of Invention
The invention aims to provide a combined size-adjustable die for manufacturing general parts, which solves the defects in the technology.
In order to achieve the above object, the present invention provides the following technical solutions: including size adjusting device, first grip block, second grip block and driving motor installation storehouse, first grip block and second grip block are all installed in size adjusting device's inside, and size adjusting device is including the fixed block, the fixed plate, the screw, the bead ring, the metal sheet, connecting rod and adjusting bolt, wherein, the bead ring runs through the fixed block, and one side fixed connection that the bead ring was kept away from each other with the metal sheet at both ends, and one side that the screw is close to each other and the top and the bottom fixed connection of fixed block, and the fixed plate passes screw and first grip block and the surface fixed connection of second grip block, one side that the metal sheet kept away from each other respectively with the both ends fixed connection of connecting rod, and adjusting bolt passes the left side the connecting rod, adjusting bolt's the other end and right side the lateral wall rotation of connecting rod are connected.
As a preferable scheme of the invention, the inner wall of the top of the driving motor installation bin is fixedly connected with a servo driving motor through a bolt, the output end of the servo driving motor is fixedly connected with a transmission shaft penetrating through the bottom of the driving motor installation bin through a coupler, the bottom surface of the driving motor installation bin is welded with a sealed bin, one end of the transmission shaft, far away from the servo driving motor, penetrates into an inner cavity of the sealed bin, one end of the transmission shaft, which is positioned in the inner cavity of the sealed bin, is welded with a second turntable, the bottom of the sealed bin is sleeved with an output shaft penetrating through the inside and the outside of the sealed bin, one end of the output shaft, which is positioned in the sealed bin, is welded with a first turntable, one sides, which are mutually close, of the first turntable and the sealed bin are respectively welded with a second tooth and a first tooth, and one end, which is positioned outside the sealed bin, of the output shaft is welded with a vibration disc.
As a preferable scheme of the invention, the thickness of the second clamping plate is twice that of the first clamping plate, and threaded holes for screws to penetrate are formed in the outer surfaces of the first clamping plate and the second clamping plate.
As a preferable scheme of the invention, through holes for the bead rings to penetrate are formed in the fixing blocks.
As a preferable scheme of the invention, threaded holes for the adjusting bolts to penetrate through are formed in the connecting rods, and threads in the threaded holes are matched with threads of the outer rings of the adjusting bolts.
As a preferable scheme of the invention, the power input end of the servo driving motor is fixedly connected with an external power supply through a wire.
As a preferable scheme of the invention, through holes for the transmission shaft to penetrate and rotate are formed at the connecting positions of the driving motor installation bin and the sealed cabin, and bearings are arranged between the inside of the through holes and the outer ring of the transmission shaft.
As a preferable scheme of the invention, the cross sections of the second teeth and the first teeth are wedge-shaped, and the first teeth and the second teeth are in meshing relationship.
As a preferable scheme of the invention, a through hole for the output shaft to pass through and rotate is formed at the bottom of the sealed cabin, and a bearing is arranged between the inside of the through hole and the outer ring of the output shaft.
As a preferable scheme of the invention, a spring is sleeved on the outer ring of the output shaft positioned in the sealed cabin, one end of the spring is fixedly connected with the inner wall of the bottom of the sealed cabin, and the other end of the spring is fixedly connected with the bottom surface of the first turntable.
As a preferable scheme of the invention, the first clamping plates and the second clamping plates are arranged in an annular array by taking the central axis of the bead ring as a base point.
In the technical scheme, the invention has the technical effects and advantages that:
1. according to the invention, the screw penetrates through the fixing plate and is fixed with the outer surface of the first clamping plate or the second clamping plate, then the piston and the piston ring on the piston are sleeved between the first clamping plate and the second clamping plate, the connecting rod is driven to move close to each other by screwing the adjusting bolt, the two ends of the steel wire ring are close to each other by means of the traction effect of the metal plate, and the first clamping plate and the second clamping plate fixed on the fixing plate are contracted close to each other, so that the piston ring is clamped on the piston.
2. According to the invention, after the piston ring is fixed by the size adjusting device, the bottom surface of the vibration disc is aligned with the top surface of the piston, the servo driving motor in the driving motor mounting bin is started, the output end of the servo driving motor rotates the transmission shaft through the coupler, the second rotary disc in the sealed bin rotates through the transmission shaft, the first rotary disc is extruded by the elastic force of the spring to be contacted with the second rotary disc upwards, at the moment, the second teeth and the first teeth between the second rotary disc and the first rotary disc are mutually contacted and meshed, and the first teeth and the second teeth which are wedge-shaped are intermittently pushed downwards to enable the output shaft connected with the first rotary disc to intermittently move downwards the vibration disc, so that the vibration disc pushes the piston into the engine cylinder body, and the condition that the piston is manually beaten is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic perspective view of a combined size-adjustable mold for manufacturing universal parts according to the present invention;
FIG. 2 is a schematic diagram of a combined size-adjustable in-mold size adjusting device for manufacturing universal parts according to the present invention;
FIG. 3 is a schematic diagram of a second clamping plate structure in a mold with adjustable combined dimensions for manufacturing a universal part according to the present invention;
FIG. 4 is a schematic diagram of a sectional structure of a driving motor installation bin of a combined size-adjustable die for manufacturing universal parts;
fig. 5 is a schematic view of a local explosion structure of a combined-type adjustable mold for manufacturing a universal part according to the present invention.
Reference numerals illustrate:
1. a size adjustment device; 1-1, a fixed block; 1-2, a fixing plate; 1-3, a screw; 1-4, bead rings; 1-5, metal plate; 1-6, connecting rod; 1-7, adjusting bolts; 2. a first clamping plate; 3. a second clamping plate; 4. a driving motor installation bin; 5. a servo drive motor; 6. a transmission shaft; 7. a vibration plate; 8. an output shaft; 9. a first turntable; 10. sealing the cabin; 11. a second turntable; 12. a first tooth; 13. and a second tooth.
Detailed Description
In order to make the explanation and the description of the technical solution and the implementation of the present invention clearer, several preferred embodiments for implementing the technical solution of the present invention are described below.
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, the same or similar reference numerals indicate the same or similar parts and features. The drawings merely schematically illustrate the concepts and principles of embodiments of the disclosure and do not necessarily illustrate the specific dimensions and proportions of the various embodiments of the disclosure. Specific details or structures of embodiments of the present disclosure may be shown in exaggerated form in particular drawings, various publications, patents and published patent specifications cited herein are incorporated herein by reference in their entirety and below are set forth in detail the embodiments of the present invention, which are obviously only a few embodiments of the present invention.
In the description of the present invention, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly specified or limited otherwise; the term "plurality" means two or more, unless specified or indicated otherwise; the terms "coupled," "secured," and the like are to be construed broadly, and may be used, for example, in a fixed or removable connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, it should be understood that the terms "upper," "lower," "left," "right," and the like in the embodiments of the present application are described in terms of angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.
Example 1
Referring to fig. 1 to 5 of the specification, a combined size-adjustable die for manufacturing universal parts is provided:
the device comprises a size adjusting device 1, a first clamping plate 2, a second clamping plate 3 and a driving motor mounting bin 4, wherein the first clamping plate 2 and the second clamping plate 3 are both mounted in the size adjusting device 1, the size adjusting device 1 comprises a fixed block 1-1, a fixed plate 1-2, screws 1-3, a bead ring 1-4, a metal plate 1-5, a connecting rod 1-6 and an adjusting bolt 1-7, wherein the bead ring 1-4 penetrates through the fixed block 1-1, two ends of the bead ring 1-4 are fixedly connected with one sides, away from the metal plate 1-5, of the metal plate 1-5, one sides, close to each other, of the screws 1-3 are fixedly connected with the top and the bottom of the fixed block 1-1, the fixed plate 1-2 penetrates through the screws 1-3 and the outer surfaces of the first clamping plate 2 and the second clamping plate 3, one sides, away from each other, of the metal plate 1-5 are fixedly connected with two ends of the connecting rod 1-6, the adjusting bolt 1-7 penetrates through the left connecting rod 1-6, and the other ends of the adjusting bolt 1-7 are rotatably connected with the side wall of the right connecting rod 1-6.
Example two
Based on the first embodiment, referring to fig. 1 to 5 of the specification, a combined size-adjustable die for manufacturing a universal part is provided:
the inner wall of the top of the driving motor installation bin 4 is fixedly connected with a servo driving motor 5 through a bolt, the output end of the servo driving motor 5 is fixedly connected with a transmission shaft 6 penetrating through the bottom of the driving motor installation bin 4 through a coupler, a sealed cabin 10 is welded on the bottom surface of the driving motor installation bin 4, one end, far away from the servo driving motor 5, of the transmission shaft 6 penetrates into the inner cavity of the sealed cabin 10, a second turntable 11 is welded on one end, located in the inner cavity of the sealed cabin 10, of the transmission shaft 6, an output shaft 8 penetrating through the inner and outer parts of the sealed cabin 10 is sleeved on the bottom of the sealed cabin 10, a first turntable 9 is welded on one end, located in the sealed cabin 10, of the output shaft 8, a second tooth 13 and a first tooth 12 are welded on one side, close to each other, of the first turntable 9 and the sealed cabin 10 are welded on one end, located outside the sealed cabin 10, of the output shaft 8 is welded with a vibration disc 7.
Example two
Based on the first embodiment, referring to fig. 1 to 5 of the specification, a combined size-adjustable die for manufacturing a universal part is provided:
the thickness of the second clamping plate 3 is twice that of the first clamping plate 2, the outer surfaces of the first clamping plate 2 and the second clamping plate 3 are respectively provided with a threaded hole for the penetration of a screw 1-3, the inside of the fixed block 1-1 is respectively provided with a through hole for the penetration of a steel wire ring 1-4, the inside of the connecting rod 1-6 is respectively provided with a threaded hole for the penetration of an adjusting bolt 1-7, the threads inside the threaded holes are matched with the threads of the outer ring of the adjusting bolt 1-7, the power input end of the servo driving motor 5 is fixedly connected with an external power supply through a wire, the interconnection part of the driving motor installation bin 4 and the sealing cabin 10 is respectively provided with a through hole for the penetration and rotation of a transmission shaft 6, and be provided with the bearing between the inside of through-hole and the outer lane of transmission shaft 6, the cross section of second tooth 13 and first tooth 12 is the wedge, and be engagement between first tooth 12 and the second tooth 13, the through-hole that supplies output shaft 8 to run through is offered to the bottom of capsule 10, and be provided with the bearing between the inside of through-hole and the outer lane of output shaft 8, the cover is equipped with the spring on the outer lane that output shaft 8 is located capsule 10 inside, and the one end and the bottom inner wall fixed connection of capsule 10 of spring, the bottom fixed surface of the other end and first carousel 9 are connected, first grip block 2 and second grip block 3 all use the axis of bead ring 1-4 as the basic point and are annular array and arrange.
Referring to fig. 1 to 5 of the specification, the working principle of the invention is as follows:
in the using process of the device, a screw 1-3 penetrates through a fixed plate 1-2 and is fixed with the outer surface of a first clamping plate 2 or a second clamping plate 3, then a piston and a piston ring on the piston are sleeved between the first clamping plate 2 and the second clamping plate 3, a connecting rod 1-6 is driven to move close to each other by screwing an adjusting bolt 1-7, two ends of a steel wire ring 1-4 are close to each other by means of the traction effect of a metal plate 1-5, and the first clamping plate 2 and the second clamping plate 3 fixed on the fixed plate 1-2 are contracted close to each other, so that the piston ring is clamped on the piston;
after the size adjusting device 1 fixes the piston ring, the bottom surface of the vibration disc 7 is aligned with the top surface of the piston, the servo driving motor 5 in the driving motor mounting bin 4 is started, the output end of the servo driving motor 5 rotates the transmission shaft 6 through the coupler, the second rotary disc 11 in the sealed cabin 10 rotates through the transmission shaft 6, the first rotary disc 9 is extruded by spring force to be in upward contact with the second rotary disc 11, at the moment, the second teeth 13 and the first teeth 12 between the second rotary disc 11 and the first rotary disc 9 are in mutual contact and meshed, and the first teeth 12 and the second teeth 13 which are wedge-shaped push the first rotary disc 9 downwards in an intermittent mode under the condition that the second rotary disc 11 rotates, so that the output shaft 8 connected with the first rotary disc 9 drives the vibration disc 7 downwards in an intermittent mode, and the vibration disc 7 pushes the piston into the engine cylinder body, and the condition that the piston needs to be manually beaten is avoided.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.
Claims (6)
1. The utility model provides a general spare part makes with adjustable mould of combination formula size, includes size adjustment device (1), first grip block (2), second grip block (3) and driving motor installation storehouse (4), its characterized in that: the first clamping plate (2) and the second clamping plate (3) are both arranged in the size adjusting device (1), the size adjusting device (1) comprises a fixed block (1-1), a fixed plate (1-2), a screw (1-3), a steel wire ring (1-4), a metal plate (1-5), a connecting rod (1-6) and an adjusting bolt (1-7), wherein the steel wire ring (1-4) penetrates through the fixed block (1-1), two ends of the steel wire ring (1-4) are fixedly connected with one side, far away from the metal plate (1-5), of the metal plate, the screw (1-3) is fixedly connected with the top and the bottom of the fixed block (1-1), the screw (1-3) penetrates through the fixed plate (1-2) to be fixedly connected with the outer surfaces of the first clamping plate (2) and the second clamping plate (3), one side, far away from each other, of the metal plate (1-5) is fixedly connected with two ends of the connecting rod (1-6), the adjusting bolt (1-7) penetrates through the left side of the fixed block (1-6), the right side of the connecting rod (1-6) is fixedly connected with the driving end of the right side of the connecting rod (1-7) through the driving end of the driving motor (1-6), the output end of the servo drive motor (5) is fixedly connected with a transmission shaft (6) penetrating through the bottom of the drive motor installation bin (4) through a coupler, a sealed cabin (10) is welded on the bottom surface of the drive motor installation bin (4), one end of the transmission shaft (6) far away from the servo drive motor (5) penetrates into the inner cavity of the sealed cabin (10), one end of the transmission shaft (6) positioned in the inner cavity of the sealed cabin (10) is welded with a second rotary table (11), the bottom of the sealed cabin (10) is sleeved with an output shaft (8) penetrating through the sealed cabin (10), one end of the output shaft (8) positioned in the sealed cabin (10) is welded with a first rotary table (9), a first tooth (12) is welded on the first rotary table (9), a second tooth (13) is welded on the second rotary table (11), one end of the output shaft (8) positioned outside the sealed cabin (10) is welded with a vibration disc (7), the connecting part of the drive motor installation bin (4) and the sealed cabin (10) is provided with a through hole for the transmission shaft (6) to penetrate through rotation, the inside the through hole and the transmission shaft (6) is sleeved with an output shaft (8) penetrating through the sealed cabin (10), the first tooth (12) is arranged between the first tooth (12) and the first tooth (13) is in a wedge-shaped cross section and the first tooth (12) is meshed with the first tooth, and a spring is sleeved on the outer ring of the output shaft (8) positioned in the sealed cabin (10).
2. The modular adjustable size mold for manufacturing universal parts according to claim 1, wherein: the thickness of the second clamping plate (3) is twice that of the first clamping plate (2), and threaded holes for the screws (1-3) to penetrate are formed in the outer surfaces of the first clamping plate (2) and the second clamping plate (3).
3. The modular adjustable size mold for manufacturing universal parts according to claim 1, wherein: the inside of the fixed block (1-1) is provided with through holes for the steel wire rings (1-4) to penetrate.
4. The modular adjustable size mold for manufacturing universal parts according to claim 1, wherein: threaded holes for the adjusting bolts (1-7) to penetrate through are formed in the connecting rods (1-6), and threads in the threaded holes are matched with threads of the outer ring of the adjusting bolts (1-7).
5. The modular adjustable size mold for manufacturing universal parts according to claim 1, wherein: the power input end of the servo driving motor (5) is fixedly connected with an external power supply through a lead.
6. The modular adjustable size mold for manufacturing universal parts according to claim 1, wherein: the bottom of the sealed cabin (10) is provided with a through hole for the output shaft (8) to penetrate through, a bearing is arranged between the inside of the through hole and the outer ring of the output shaft (8), and the first clamping plate (2) and the second clamping plate (3) are distributed in an annular array by taking the central axis of the bead ring (1-4) as a base point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210928758.6A CN115255246B (en) | 2022-08-03 | 2022-08-03 | Combined size-adjustable die for manufacturing general parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210928758.6A CN115255246B (en) | 2022-08-03 | 2022-08-03 | Combined size-adjustable die for manufacturing general parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115255246A CN115255246A (en) | 2022-11-01 |
| CN115255246B true CN115255246B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210928758.6A Active CN115255246B (en) | 2022-08-03 | 2022-08-03 | Combined size-adjustable die for manufacturing general parts |
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| Country | Link |
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| CN (1) | CN115255246B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335705A (en) * | 2011-09-30 | 2012-02-01 | 太原理工大学 | Electric direct driving type impact forging hammer |
| CN208840940U (en) * | 2018-09-17 | 2019-05-10 | 佛山市三水东禹盛汽车配件有限公司 | A kind of automobile parts mold |
| CN110640656A (en) * | 2019-10-16 | 2020-01-03 | 武汉艾凯瑞精密模具有限公司 | Fixture is used in automobile parts production |
| CN212398863U (en) * | 2020-05-19 | 2021-01-26 | 王永昌 | Anchor clamps for machining convenient to adjust |
| CN212601632U (en) * | 2020-05-21 | 2021-02-26 | 中国第一汽车股份有限公司 | Mounting device for piston |
| CN212839008U (en) * | 2020-07-21 | 2021-03-30 | 安庆银亿轴承有限公司 | Bearing inner and outer ring assembling device |
| CN213176472U (en) * | 2020-07-01 | 2021-05-11 | 镇江宝瑞轴承有限公司 | Adjustable spherical outside surface bearing |
| CN213918046U (en) * | 2020-09-29 | 2021-08-10 | 张海霞 | Die assembling device |
| WO2022099772A1 (en) * | 2020-11-12 | 2022-05-19 | 苏州德拉乐电梯有限公司 | Fixing device for welding metal parts |
-
2022
- 2022-08-03 CN CN202210928758.6A patent/CN115255246B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102335705A (en) * | 2011-09-30 | 2012-02-01 | 太原理工大学 | Electric direct driving type impact forging hammer |
| CN208840940U (en) * | 2018-09-17 | 2019-05-10 | 佛山市三水东禹盛汽车配件有限公司 | A kind of automobile parts mold |
| CN110640656A (en) * | 2019-10-16 | 2020-01-03 | 武汉艾凯瑞精密模具有限公司 | Fixture is used in automobile parts production |
| CN212398863U (en) * | 2020-05-19 | 2021-01-26 | 王永昌 | Anchor clamps for machining convenient to adjust |
| CN212601632U (en) * | 2020-05-21 | 2021-02-26 | 中国第一汽车股份有限公司 | Mounting device for piston |
| CN213176472U (en) * | 2020-07-01 | 2021-05-11 | 镇江宝瑞轴承有限公司 | Adjustable spherical outside surface bearing |
| CN212839008U (en) * | 2020-07-21 | 2021-03-30 | 安庆银亿轴承有限公司 | Bearing inner and outer ring assembling device |
| CN213918046U (en) * | 2020-09-29 | 2021-08-10 | 张海霞 | Die assembling device |
| WO2022099772A1 (en) * | 2020-11-12 | 2022-05-19 | 苏州德拉乐电梯有限公司 | Fixing device for welding metal parts |
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| Publication number | Publication date |
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| CN115255246A (en) | 2022-11-01 |
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