CN111774901B - End cover drilling multi-station fixing device for solar cylinder body - Google Patents
End cover drilling multi-station fixing device for solar cylinder body Download PDFInfo
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- CN111774901B CN111774901B CN202010550291.7A CN202010550291A CN111774901B CN 111774901 B CN111774901 B CN 111774901B CN 202010550291 A CN202010550291 A CN 202010550291A CN 111774901 B CN111774901 B CN 111774901B
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- positioning
- end cover
- bottom plate
- rectangular bottom
- rectangular
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/005—Devices for removing chips by blowing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/061—Work-clamping means adapted for holding a plurality of workpieces
Abstract
The end cover drilling multi-station fixing device comprises a rectangular bottom plate, wherein a plurality of positioning plates are respectively arranged on the upper surfaces of two end parts in the length direction of the rectangular bottom plate, a discharge notch is formed between two adjacent positioning plates positioned at the same end, end cover positioning columns which are in one-to-one correspondence with the positioning plates are arranged on the upper surface of the rectangular bottom plate, free moving blocks are arranged between the positioning plates which are in one-to-one correspondence and the end cover positioning columns, an elastic mechanism is respectively connected between each free moving block and the positioning plate, one end of each guide rail is abutted against the end cover positioning columns, the other end of each guide rail is connected with the positioning plates through flow guide baffle plates, a limiting groove is formed between two adjacent guide rails which are parallel to each other, a conical groove which is connected with the discharge notch one by one is formed between the flow guide baffle plates which are, and a bidirectional blowing assembly is connected between two adjacent groups of pressure plate assemblies.
Description
Technical Field
The invention belongs to the technical field of tools, and particularly relates to a multi-station fixing device for drilling holes in an end cover for a solar cylinder body.
Background
The end cover for the solar cylinder body is oval, a plurality of holes are processed at two ends of the end cover for the solar cylinder body respectively, the existing hole processing is generally to fix the end cover on a tool, then the tool is installed in a processing center to be drilled, and the hole processing efficiency is greatly improved by the mode.
At present, the fixing tool for the end cover of the solar cylinder body is pressed by a pressing plate, and after the pressing, a machining center starts to drill. In the drilling operation, it can utilize the coolant liquid to carry out the drill bit cooling, simultaneously, can produce more waste material in the drilling course of working, after accomplishing a processing, the operative employee grips the waste material blow-off of air gun on with the frock this moment, then fixes again for the next time repeated fixed solar energy cylinder body end cover, and at this in-process, the operative employee needs to fix again after the clearance, influences production machining efficiency.
Secondly, at present, two fixing backer are adopted for fixing the end cover for the solar cylinder body for positioning, but certain errors exist in machining in the earlier stage, and the fixing mode easily causes certain deviation between subsequent hole positions and hole positions of a center hole of the end cover for the solar cylinder body, so that final assembly of the end cover for the solar cylinder body is influenced.
Disclosure of Invention
The invention aims to solve the problems and provides a multi-station fixing device for drilling holes in an end cover for a solar cylinder body, which can solve the technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
the end cover drilling multi-station fixing device for the solar cylinder body comprises a horizontally arranged rectangular bottom plate, wherein a plurality of positioning plates with uniform intervals are respectively arranged on the upper surfaces of two end parts in the length direction of the rectangular bottom plate, a discharge notch is formed between two adjacent positioning plates positioned at the same end, end cover positioning columns which are equal in number to the positioning plates and correspond to the positioning plates one by one are arranged on the upper surface of the rectangular bottom plate, free moving blocks which are horizontally and slidably connected with guide rails on the upper surface of the rectangular bottom plate are arranged between the one-to-one corresponding positioning plates and the end cover positioning columns, an elastic mechanism capable of forcing the free moving blocks to move towards the opposite end cover positioning columns is respectively connected between each free moving block and the positioning plate, horizontal positioning contact heads are respectively arranged at two ends of one side of each free moving block, which is close to the opposite, the other end is connected with the positioning plate through a flow guide baffle plate, a limiting groove is formed between two adjacent guide rails which are parallel to each other, and tapered grooves connected with the discharge notches one by one are formed between the guide baffles connected on the two adjacent guide rails, the limiting grooves are communicated with the tapered grooves, the middle part of the upper surface of the rectangular bottom plate is provided with a plurality of pressure plate components which are positioned between two adjacent end cover positioning columns along the length direction of the rectangular bottom plate, and the other side of the bidirectional air blowing assembly blows to the limiting groove formed by the two adjacent guide rails at the other end of the rectangular bottom plate and forces the processing waste and the cutting fluid to be discharged from the discharge notch through the tapered groove.
In the multi-station fixing device for drilling the end cover for the solar cylinder body, the bidirectional blowing assembly is connected with the pressing plate assembly through the rubber soft strip.
In foretell end cover drilling multistation fixing device for solar cylinder body, two-way subassembly of blowing including being the vertical circular cylinder of fixing at rectangle bottom plate upper surface to and fix the rectangle shell of circular cylinder upper end and the inside rectangle cavity that has of rectangle shell, rectangle shell and circular cylinder are through a plurality of intercommunicating pores intercommunication, be equipped with the opposite high-pressure air-blower of two air outlets in the rectangle cavity, every high-pressure air-blower passes through the exhaust pipe and is connected with the shunt tubes, be connected with the air outlet pipe that a plurality of slopes set up outwards downwards on the shunt tubes, the lower extreme of air outlet pipe is inserted in the inclined hole that rectangle shell downside was reserved.
In the multi-station fixing device for drilling the end cover for the solar cylinder, the elastic mechanism comprises a limiting screw fixed on each positioning plate, the threaded end of the limiting screw is fixedly connected with the middle part of one side, away from the horizontal positioning contact head, of the free moving block, a spring is sleeved on the limiting screw, one end of the spring acts on the middle part of one side, away from the horizontal positioning contact head, of the free moving block, and the other end of the spring acts on the positioning plate.
In the multi-station fixing device for drilling the end cover for the solar cylinder body, the horizontal positioning contact head comprises a positioning bolt in threaded connection with the free moving block, a locking nut is sleeved on a threaded section of the positioning bolt, and the locking nut is in contact with one side face, close to the end cover positioning column, of the free moving block.
In the multi-station fixing device for drilling the end cover for the solar cylinder body, the pressing plate assembly comprises an adjusting screw rod, a pressure spring and a rectangular pressing plate, wherein the lower end of the adjusting screw rod is fixed on the rectangular bottom plate, the pressure spring is sleeved on the adjusting screw rod, the upper end of the adjusting screw rod is sleeved with a nut, and the rectangular pressing plate is located between the upper end of the pressure spring and the nut.
Compared with the prior art, this end cover drilling multistation fixing device for solar energy cylinder body's advantage lies in:
the elasticity is prepositioned, and its location is more accurate, simultaneously, can also enlarge application scope.
The production and processing efficiency is greatly improved.
Drawings
Fig. 1 is a schematic top view of the structure provided by the present invention.
Fig. 2 is a schematic view of a rectangular bottom plate structure provided by the present invention.
FIG. 3 is a schematic diagram of a side view of the connection structure of the pressing plate assembly, the bidirectional blowing assembly and the rubber soft strip provided by the invention.
Fig. 4 is a schematic view of the connection structure of the free moving block and the guide rail provided by the invention.
FIG. 5 is a schematic view of the platen assembly of the present invention.
Fig. 6 is a schematic structural diagram of a bidirectional blowing assembly provided by the invention.
Fig. 7 is a schematic view of a connection structure of a shunt tube and an air outlet tube provided by the present invention.
FIG. 8 is a schematic view of the raw end cap construction provided by the present invention.
Fig. 9 is a schematic structural view of the end cap provided by the present invention after machining.
In the figure, a rectangular bottom plate 1, a positioning plate 11, a discharge notch 12, a guide rail 13, a flow guide baffle 14, an end cover positioning column 2, a free moving block 3, a horizontal positioning contact head 31, an elastic mechanism 4, a limiting screw rod 41, a spring 42, a pressing plate component 5, an adjusting screw rod 51, a pressure spring 52, a nut 53, a rectangular pressing plate 54, a bidirectional air blowing component 6, a circular cylinder 61, a rectangular shell 62, a communication hole 63, a high-pressure air blower 64, an exhaust pipe 65, a shunt pipe 66, an air outlet pipe 67 and a rubber soft strip 7.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the end cover drilling multi-station fixing device for the solar cylinder comprises a rectangular bottom plate 1 which is horizontally arranged, wherein a plurality of positioning plates 11 which are uniformly spaced are respectively arranged on the upper surfaces of two end parts of the rectangular bottom plate 1 in the length direction, a discharge notch 12 is formed between every two adjacent positioning plates 11 which are positioned at the same end, and the rectangular bottom plate 1 is fixed on a machining center base station through a plurality of locking bolts.
As shown in fig. 1, end cover positioning columns 2, the number of which is equal to that of the positioning plates 11 and corresponds to the positioning plates 11 one by one, are arranged on the upper surface of the rectangular bottom plate 1, and free moving blocks 3, which are horizontally slidably connected with guide rails 13 on the upper surface of the rectangular bottom plate 1, are arranged between the positioning plates 11 and the end cover positioning columns 2, which are opposite one by one, as shown in fig. 4, the free moving blocks 3 are horizontally slidably connected with the guide rails 13 through sliders, as shown in fig. 1, elastic mechanisms 4, which can force the free moving blocks 3 to have a tendency of moving towards the opposite end cover positioning columns 2, are respectively connected between each free moving block 3 and the positioning plate 11, and horizontal positioning contact heads 31 are respectively arranged at two ends of one side. This horizontal location contact head 31 includes the positioning bolt with 3 threaded connection of free moving block, and positioning bolt's screw thread section cover is equipped with lock nut, and lock nut and free moving block 3 are close to the side contact of end cover reference column 2. The relative position of the positioning bolt can be adjusted by canceling the locking of the locking nut, so that the end cover positioning device can be suitable for processing and positioning end covers of different specifications.
The end cover for the unprocessed solar cylinder body is sleeved with the end cover positioning column 2 through a hole machined in advance, in the sleeving process, the two horizontal positioning contact heads 31 are in point contact with two circumferential points of the end cover for the unprocessed solar cylinder body, and when the end cover for the unprocessed solar cylinder body is sleeved in place and the elastic mechanism 4 forces the two horizontal positioning contact heads 31 to abut against two circumferential positions of the end cover for the unprocessed solar cylinder body, the pre-positioning of the end cover for the unprocessed solar cylinder body is realized.
The elasticity is prepositioned, and its location is more accurate, simultaneously, can also enlarge application scope.
One end of each guide rail 13 is abutted against the end cover positioning column 2, the other end of each guide rail 13 is connected with the positioning plate 11 through the flow guide baffle plate 14, a limiting groove is formed between every two adjacent guide rails 13 which are parallel to each other, conical grooves which are connected with the discharge notches 12 one by one are formed between the flow guide baffle plates 14 connected on the two adjacent guide rails 13, and the limiting grooves are communicated with the conical grooves. The conical and confining channels may be used for coolant and waste collection.
As shown in fig. 1 and 3, a plurality of pressure plate assemblies 5 located between two adjacent end cover positioning columns 2 along the length direction of the rectangular bottom plate 1 are arranged in the middle of the upper surface of the rectangular bottom plate 1, and after the pre-positioning is realized, the pressure plate assemblies 5 press the center of the upper surface of the unprocessed end cover for the solar cylinder body downwards, that is, the installation and fixation of the end cover are completed, and then the processing center can be opened to drill the end cover.
Further, as shown in fig. 1, the elastic mechanism 4 of the present embodiment includes a limiting screw 41 fixed on each positioning plate 11, a threaded end of the limiting screw 41 is fixedly connected to a middle portion of one side of the free moving block 3 away from the horizontal positioning contact 31, a spring 42 is sleeved on the limiting screw 41, one end of the spring 42 acts on a middle portion of one side of the free moving block 3 away from the horizontal positioning contact 31, and the other end of the spring 42 acts on the positioning plate 11.
Secondly, the two ends of the spring 42 are respectively welded with an annular ring 43, one annular ring 43 is fixed on the positioning plate through screws, and the other annular ring 43 is fixed on one side surface of the free moving block close to the positioning plate through screws. The annular ring 43 prevents the springs from contacting the restraining screw 41 and causing frictional wear therebetween, as well as noise generation.
In addition, as shown in fig. 5, the pressure plate assembly 5 includes an adjusting screw 51 having a lower end fixed to the rectangular base plate 1, a compression spring 52 fitted over the adjusting screw 51, a nut 53 fitted over an upper end of the adjusting screw 51, and a rectangular pressure plate 54 located between an upper end of the compression spring 52 and the nut 53. The compression spring 52 provides a supporting force to prevent the rectangular pressing plate 54 from falling and impacting the rectangular bottom plate, and meanwhile, the mounting and fixing efficiency of the end cover can be improved.
As shown in fig. 1, 3 and 6, a bidirectional blowing assembly 6 for blowing air obliquely downwards and outwards is connected between two adjacent groups of the pressing plate assemblies 5, one direction of the bidirectional blowing assembly 6 blows towards the limiting groove formed by two adjacent guide rails at one end of the rectangular base plate 1 and forces the machining waste and the cutting fluid to be discharged from the discharge notch 12 through the tapered groove, and the other direction of the bidirectional blowing assembly 6 blows towards the limiting groove formed by two adjacent guide rails at the other end of the rectangular base plate 1 and forces the machining waste and the cutting fluid to be discharged from the discharge notch 12 through the tapered groove.
Preferably, the bi-directional blowing assembly 6 is connected to the platen assembly 5 by a soft rubber strip 7. The rubber soft strip 7 is connected with the two through screws. The rubber soft strips 7 can eliminate the gap between two adjacent groups of bidirectional air blowing assemblies 6, waste materials in the machining process are prevented from falling to the lower portion of the rectangular bottom plate 1 from the gap, and subsequent cleaning difficulty is reduced.
Specifically, as shown in fig. 6-7, the bidirectional blowing assembly 6 of the present embodiment includes a circular tube 61 vertically fixed on the upper surface of the rectangular bottom plate 1, and a rectangular casing 62 fixed on the upper end of the circular tube 61 and having a rectangular cavity inside the rectangular casing 62, the rectangular casing 62 and the circular tube 61 are communicated through a plurality of communication holes 63, two high-pressure blowers 64 with opposite air outlets are disposed in the rectangular cavity, each high-pressure blower 64 is connected with a diversion tube 66 through an exhaust duct 65, a plurality of air outlet pipes 67 obliquely arranged downwards and outwards are connected to the diversion tube 66, and the lower ends of the air outlet pipes 67 are inserted into the reserved oblique holes on the lower side of the rectangular casing 62.
The power supply line of the high-voltage blower 64 is connected to an external power supply through one of the communication holes 63.
As shown in fig. 1-9, the working principle of this embodiment is as follows:
s1, pre-positioning, wherein the end cover for the unprocessed solar cylinder body is sleeved into the end cover positioning column 2 through a pre-machined hole, in the sleeving process, the two horizontal positioning contact heads 31 are in point contact with two circumferential points of the end cover for the unprocessed solar cylinder body, and when the end cover for the unprocessed solar cylinder body is sleeved in place and the elastic mechanism 4 forces the two horizontal positioning contact heads 31 to abut against two circumferential positions of the end cover for the unprocessed solar cylinder body, the pre-positioning of the end cover for the unprocessed solar cylinder body is realized;
s2, fixing, and pressing the pressure plate assembly 5 downwards to the center of the upper surface of the end cover for the unprocessed solar cylinder body;
s3, the machining center starts machining, the high-pressure blower 64 at the moment is communicated with a power supply and starts the high-pressure blower 64, air blown out by the high-pressure blower 64 is blown to the limiting groove through the exhaust pipe 65, the shunt pipe 66 and the air outlet pipe 67, continuous blowing drives machining waste and cutting fluid to be discharged from the discharge groove opening 12 through the tapered groove, the machined end cover is detached after the machining center finishes machining, and then the unmachined end cover is immediately installed. Because the machining center is processing, high pressure blower 64 also starts in step, and it can blow away waste and coolant in real time, to shorten the subsequent waste cleaning time.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (5)
1. The end cover drilling multi-station fixing device for the solar cylinder body comprises a rectangular bottom plate (1) which is horizontally arranged, and is characterized in that a plurality of positioning plates (11) which are uniformly spaced are respectively arranged on the upper surfaces of two end parts of the rectangular bottom plate (1) in the length direction, a discharge notch (12) is formed between every two adjacent positioning plates (11) which are positioned at the same end, end cover positioning columns (2) which are equal to the positioning plates (11) in number and correspond to the positioning plates (11) one by one are arranged on the upper surface of the rectangular bottom plate (1), free moving blocks (3) which are horizontally and slidably connected with guide rails (13) on the upper surface of the rectangular bottom plate (1) are arranged between the positioning plates (11) and the positioning plates (11) which are opposite one by one, elastic mechanisms (4) which can force the free moving blocks (3) to move towards the opposite end cover positioning columns (2) sides are respectively connected between each free moving block (3, two ends of one side, close to the opposite end cover positioning columns (2), of the free moving block (3) are respectively provided with a horizontal positioning contact head (31), one end of each guide rail (13) is abutted against the end cover positioning columns (2), the other end of each guide rail (13) is connected with the positioning plate (11) through a flow guide baffle (14), a limiting groove is formed between every two adjacent guide rails (13) which are parallel to each other, conical grooves which are connected with the discharge notches (12) one by one are formed between the flow guide baffles (14) connected on the two adjacent guide rails (13), the limiting grooves are communicated with the conical grooves, a plurality of pressing plate assemblies (5) which are positioned between every two adjacent end cover positioning columns (2) along the length direction of the rectangular bottom plate (1) are arranged in the middle of the upper surface of the rectangular bottom plate (1), and a bidirectional blowing assembly (6) which blows air, one direction of the two-way air blowing assembly (6) blows towards the limiting groove formed by two adjacent guide rails at one end of the rectangular bottom plate (1) and forces the machining waste and the cutting fluid to be discharged from the discharge notch (12) through the conical groove, and the other direction of the two-way air blowing assembly (6) blows towards the limiting groove formed by two adjacent guide rails at the other end of the rectangular bottom plate (1) and forces the machining waste and the cutting fluid to be discharged from the discharge notch (12) through the conical groove;
the horizontal positioning contact head (31) comprises a positioning bolt in threaded connection with the free moving block (3), a locking nut is sleeved on the threaded section of the positioning bolt, and the locking nut is in contact with one side face, close to the end cover positioning column (2), of the free moving block (3).
2. The end cover drilling and multi-station fixing device for the solar cylinder body as claimed in claim 1, wherein the bidirectional blowing assembly (6) is connected with the pressing plate assembly (5) through a rubber soft strip (7).
3. The end cover drilling and multi-station fixing device for the solar cylinder body as claimed in claim 1 or 2, wherein the bidirectional blowing assembly (6) comprises a circular cylinder (61) vertically fixed on the upper surface of the rectangular bottom plate (1), and a rectangular shell (62) fixed at the upper end of the circular cylinder (61), the rectangular shell (62) is internally provided with a rectangular cavity, the rectangular shell (62) and the circular cylinder (61) are communicated through a plurality of communicating holes (63), two high-pressure blowers (64) with opposite air outlets are arranged in the rectangular cavity, each high-pressure blower (64) is connected with a shunt pipe (66) through an exhaust pipe (65), the shunt pipe (66) is connected with a plurality of air outlet pipes (67) which are obliquely arranged downwards and outwards, and the lower ends of the air outlet pipes (67) are inserted into inclined holes reserved at the lower side of the rectangular shell (62).
4. The end cover drilling and multi-station fixing device for the solar cylinder body as claimed in claim 1, wherein the elastic mechanism (4) comprises a limiting screw rod (41) fixed on each positioning plate (11), the threaded end of the limiting screw rod (41) is fixedly connected with the middle part of one side, away from the horizontal positioning contact head (31), of the free moving block (3), a spring (42) is sleeved on the limiting screw rod (41), one end of the spring (42) acts on the middle part of one side, away from the horizontal positioning contact head (31), of the free moving block (3), and the other end of the spring (42) acts on the positioning plate (11).
5. The end cover drilling and multi-station fixing device for the solar cylinder body according to claim 1, wherein the pressure plate assembly (5) comprises an adjusting screw (51) with the lower end fixed on the rectangular bottom plate (1), a pressure spring (52) sleeved on the adjusting screw (51), a nut (53) sleeved on the upper end of the adjusting screw (51), and a rectangular pressure plate (54) positioned between the upper end of the pressure spring (52) and the nut (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010550291.7A CN111774901B (en) | 2020-06-16 | 2020-06-16 | End cover drilling multi-station fixing device for solar cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010550291.7A CN111774901B (en) | 2020-06-16 | 2020-06-16 | End cover drilling multi-station fixing device for solar cylinder body |
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| Publication Number | Publication Date |
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| CN111774901A CN111774901A (en) | 2020-10-16 |
| CN111774901B true CN111774901B (en) | 2021-06-11 |
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| CN202010550291.7A Active CN111774901B (en) | 2020-06-16 | 2020-06-16 | End cover drilling multi-station fixing device for solar cylinder body |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112893991B (en) * | 2021-02-24 | 2024-02-23 | 南通市中吕齿轮有限公司 | Gear stay wire groove process |
| CN113634788B (en) * | 2021-07-27 | 2022-05-27 | 厦门飞德利照明科技有限公司 | Circuit board drilling equipment |
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| US20140239569A1 (en) * | 2013-02-26 | 2014-08-28 | International Business Machines Corporation | Universal clamping fixture to maintain laminate flatness during chip join |
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| CN103639770A (en) * | 2013-11-28 | 2014-03-19 | 无锡市航鹄科技有限公司 | High-efficiency positioning fixture for cylinder borehole |
| CN204913353U (en) * | 2015-07-31 | 2015-12-30 | 宝鸡法士特齿轮有限责任公司 | Anchor clamps for gearbox housing |
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| CN111774901A (en) | 2020-10-16 |
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