CN110899769A - Full-automatic drilling device for semi-metal brake pad of automobile brake - Google Patents
Full-automatic drilling device for semi-metal brake pad of automobile brake Download PDFInfo
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- CN110899769A CN110899769A CN201911284767.0A CN201911284767A CN110899769A CN 110899769 A CN110899769 A CN 110899769A CN 201911284767 A CN201911284767 A CN 201911284767A CN 110899769 A CN110899769 A CN 110899769A
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- fixedly connected
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
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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
- 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
- B23Q11/0046—Devices for removing chips by sucking
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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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
Abstract
The invention discloses a full-automatic drilling device for a semi-metal brake pad of an automobile brake, which comprises a base, a fixing box, a drilling motor and a drill bit, wherein the top of the base is fixedly connected with the bottom of the fixing box. This full-automatic drilling equipment is used to automotive brake semimetal brake block, top sliding connection through two first fixed blocks has the movable block, and the top fixedly connected with drilling piece of second fixed block, the first servo electric jar of the equal fixedly connected with in inside of two movable blocks, the utilization sets up mobilizable drilling piece in the second fixed block, and two first servo motor drive two tight blocks of clamp and fix the brake block of processing, it fixes the brake block to need not the manual work, dust collecting equipment who sets up in the fixed case back can carry out timely processing to the sweeps that produces when drilling in addition, avoid the sweeps to pile up around drilling effectively, improve the machining precision of drilling.
Description
Technical Field
The invention relates to the technical field of processing of semi-metal brake pads of automobile brakes, in particular to a full-automatic drilling device for the semi-metal brake pads of the automobile brakes.
Background
The friction brake is a device which uses the friction resistance generated when two moving surfaces contact with each other to convert the kinetic energy and potential energy of the automobile moving into heat energy, thereby achieving the purpose of decelerating or stopping the automobile, the automobile brake pad is also called as automobile brake shoe, which is a friction material fixed on a brake drum or a brake disc rotating with wheels, wherein, a friction lining and a friction lining block bear external pressure to generate friction action so as to achieve the purpose of decelerating the automobile, the automobile brake pad is generally composed of a steel plate, an adhesive heat-insulating layer and a friction block, the steel plate is coated to prevent rust, and the coating process uses an SMT-4 furnace temperature tracker to detect the temperature distribution in the coating process to ensure the quality.
Present automotive brake semimetal brake block need drill it when adding man-hour to the fixed mounting of brake block, traditional drilling machine is mostly manual drilling machine, because it is artifical main shaft transmission structure, does not have leading-in electric drive, causes its following shortcoming: drilling speed is slow, and is inefficient, and workman's amount of labour is big, because the diversification of drilling range, under quick accurate reliable condition, traditional manual drilling machine can not satisfy more and more high requirement, in addition when driling, and the produced sweeps of drilling can be piled up around drilling, seriously influences the radiating effect of drilling processing, reduces the machining precision of drilling.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a full-automatic drilling device for a semi-metal brake pad of an automobile brake, which solves the problems that the traditional drilling machine is low in drilling speed, low in efficiency and large in labor capacity of workers, the traditional manual drilling machine cannot meet higher and higher requirements under the condition of rapidness, accuracy and reliability due to the diversification of drilling arrangement, and in addition, waste chips generated by drilling can be accumulated around the drilling hole when the drilling hole is drilled, so that the heat dissipation effect of drilling processing is seriously influenced, and the drilling processing precision is reduced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a full-automatic drilling device for a semi-metal brake pad of an automobile brake comprises a base, a fixed box, a drilling motor and a drill bit, wherein the top of the base is fixedly connected with the bottom of the fixed box, a fixed plate is fixedly connected between two sides of the inner wall of the fixed box, a movable plate is slidably connected inside the fixed box and under the fixed plate, first fixed blocks are fixedly connected on two sides of the top of the fixed plate, a second fixed block is fixedly connected between two opposite sides of the top of the fixed plate and between two opposite sides of the first fixed blocks, movable blocks are slidably connected with the tops of the two first fixed blocks, a drilling block is fixedly connected with the top of the second fixed block, first servo electric cylinders are fixedly connected inside the two movable blocks, and one ends of output shafts of the two first servo electric cylinders penetrate through the drilling block and extend to the inside of the drilling block, the dust collecting device is fixedly connected to the top of the base and located on the back of the fixed box, the dust removing pipe is fixedly connected to the back of the inner wall of the fixed box, and the inside of the dust removing pipe is communicated with the inside of the dust collecting device through a communicating pipe.
Preferably, the bottom fixedly connected with mount of fixed incasement wall to the top fixedly connected with linear guide of mount, linear guide's top sliding connection has linear electric motor, and linear electric motor's top and the bottom of fly leaf pass through installed part fixed connection.
Preferably, the two sides of the inner wall of the fixed box are fixedly connected with guide blocks, and the two sides of the movable plate are respectively connected with the inner parts of the two opposite sides of the two guide blocks in a sliding mode.
Preferably, the two sides of the top of the movable plate are fixedly connected with first sliding blocks, the top of the movable plate is fixedly connected with second sliding blocks between the two opposite sides of the first sliding blocks, the tops of the first sliding blocks are fixedly connected with the bottoms of the two movable blocks respectively, and the tops of the second sliding blocks are fixedly connected with the bottoms of the drilling blocks.
Preferably, the fixed plate and the two first fixed blocks are provided with first sliding grooves matched with the first sliding blocks, and the fixed plate and the second fixed blocks are provided with second sliding grooves matched with the second sliding blocks.
Preferably, the mounting groove has been seted up at the top of drilling piece, two the equal fixedly connected with of one end of first servo electric cylinder output shaft presss from both sides tight piece to the inside sliding connection of the surface of two tight pieces of clamp all with the mounting groove.
Preferably, the top fixedly connected with second servo electric jar of fixed case to the one end of second servo electric jar output shaft runs through fixed case and extends to the inside of fixed case, the one end fixedly connected with installation piece that the second servo electric jar output shaft extends to the inside of fixed case, and the equal fixedly connected with adjustable shelf in both sides of installation piece, the top of adjustable shelf runs through fixed case and extends to the outside of fixed case.
Preferably, the drilling motor is located inside the mounting block, one end of an output shaft of the drilling motor penetrates through the mounting block and extends to the outside of the mounting block, one end of the output shaft of the drilling motor, which extends to the outside of the mounting block, is fixedly connected with a drill bit connecting block, and the top end of a drill bit is fixedly connected with the inside of the drill bit connecting block.
(III) advantageous effects
The invention provides a full-automatic drilling device for a semi-metal brake pad of an automobile brake. Compared with the prior art, the method has the following beneficial effects:
(1) the automatic drilling device for the semi-metal brake pad of the automobile brake is characterized in that movable blocks are connected to the tops of two first fixed blocks in a sliding mode, a drilling block is fixedly connected to the top of a second fixed block, first servo electric cylinders are fixedly connected to the insides of the two movable blocks, one ends of output shafts of the two first servo electric cylinders penetrate through the drilling block and extend to the insides of the drilling block, dust collecting equipment is fixedly connected to the top of a base and positioned on the back of a fixed box, a dust collecting pipe is fixedly connected to the back of the inner wall of the fixed box, the inside of the dust collecting pipe is communicated with the inside of the dust collecting equipment through a communicating pipe, the movable drilling block is arranged in the second fixed block, the two first servo motors are used for driving the two clamping blocks to fix the brake pad to be processed, manual fixing of the brake pad is not needed, and dust collecting equipment arranged on the back of the fixed box can timely treat scraps generated during drilling, effectively avoid the sweeps to pile up around the drilling, improve the machining precision of drilling.
(2) The full-automatic drilling device for the semi-metal brake pad of the automobile brake is characterized in that a fixed plate is fixedly connected between two sides of the inner wall of a fixed box, a movable plate is slidably connected inside the fixed box and positioned under the fixed plate, first fixed blocks are fixedly connected to two sides of the top of the fixed plate, a second fixed block is fixedly connected between two opposite sides of the first fixed blocks at the top of the fixed plate, movable blocks are slidably connected to the tops of the two first fixed blocks, a drilling block is fixedly connected to the top of the second fixed block, first servo electric cylinders are fixedly connected to the insides of the two movable blocks, one ends of output shafts of the two first servo electric cylinders penetrate through the drilling block and extend to the inside of the drilling block, two first servo motors are used for driving two clamping blocks to fix the brake pad to be processed, and when a plurality of holes are processed on the brake pad, the position of the brake pad in the drilling block can be flexibly changed, a drill bit at the top can be used for flexibly performing a plurality of drilling operations on the brake pad, the drilling efficiency is high, and the labor intensity of workers is greatly reduced.
(3) The full-automatic drilling device for the semi-metal brake pad of the automobile brake is characterized in that a fixed frame is fixedly connected to the bottom of the inner wall of a fixed box, a linear guide rail is fixedly connected to the top of the fixed frame, a linear motor is slidably connected to the top of the linear guide rail, the top of the linear motor is fixedly connected to the bottom of a movable plate through an installation part, guide blocks are fixedly connected to two sides of the inner wall of the fixed box, two sides of the movable plate are respectively and internally and slidably connected to one side, opposite to the two guide blocks, of the movable plate, first sliding blocks are fixedly connected to two sides of the top of the movable plate, a second sliding block is fixedly connected to the top of the movable plate and between the two sides, opposite to the first sliding blocks, the tops of the two first sliding blocks are respectively and fixedly connected to the bottoms of the two movable blocks, the, and the drilling operation is controlled by a plurality of mechanical elements, the operation and the control are very convenient, and the drilling efficiency of the brake pad is effectively improved.
Drawings
FIG. 1 is a front view of the structure of the full automatic drilling apparatus of the present invention;
FIG. 2 is a cross-sectional view of the full automatic drilling apparatus of the present invention;
FIG. 3 is a side view of the full automatic drilling apparatus configuration of the present invention;
FIG. 4 is a perspective view of a drill plate structure of the present invention;
fig. 5 is a partial enlarged view of the invention at a in fig. 2.
In the figure, 1-base, 2-fixed box, 3-drilling motor, 4-drill bit, 5-fixed plate, 6-movable plate, 7-first fixed block, 8-second fixed block, 9-movable block, 10-drilling block, 11-first servo electric cylinder, 12-dust-absorbing equipment, 13-dust-removing pipe, 14-fixed frame, 15-linear guide rail, 16-linear motor, 17-guide block, 18-first slide block, 19-second slide block, 20-first slide groove, 21-second slide groove, 22-mounting groove, 23-clamping block, 24-second servo electric cylinder, 25-mounting block, 26-movable frame and 27-drill bit connecting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a full-automatic drilling device for a semi-metal brake pad of an automobile brake comprises a base 1, a fixed box 2, a drilling motor 3 and a drill bit 4, wherein the drilling motor 3, a linear motor 16, a first servo electric cylinder 11 and a second servo electric cylinder 24 are controlled by a PLC and matched with a human-computer interface to modify program parameters, set and display and monitor running states, the contents of the human-computer interface can be set in a programmable manner, the top of the fixed box 2 is fixedly connected with the second servo electric cylinder 24, the front of the fixed box 2 is hinged with a box door through a hinge, an observation window is arranged inside the box door, one end of an output shaft of the second servo electric cylinder 24 penetrates through the fixed box 2 and extends to the inside of the fixed box 2, one end of the output shaft of the second servo electric cylinder 24, which extends to the inside of the fixed box 2, is fixedly connected with an installation block 25, two sides of the installation block 25 are fixedly connected with movable frames 26, the top end of the movable frame 26, the drilling motor 3 is positioned inside the mounting block 25, one end of an output shaft of the drilling motor 3 penetrates through the mounting block 25 and extends to the outside of the mounting block 25, one end of the output shaft of the drilling motor 3 extending to the outside of the mounting block 25 is fixedly connected with a drill connecting block 27, the top end of the drill 4 is fixedly connected with the inside of the drill connecting block 27, the bottom of the inner wall of the fixed box 2 is fixedly connected with a fixed frame 14, the top of the fixed frame 14 is fixedly connected with a linear guide rail 15, the top of the linear guide rail 15 is slidably connected with a linear motor 16, the top of the linear motor 16 is fixedly connected with the bottom of the movable plate 6 through a mounting part, both sides of the inner wall of the fixed box 2 are fixedly connected with guide blocks 17, both sides of the movable plate 6 are respectively and internally and slidably connected with one side opposite to the two, a second slide block 19 is fixedly connected between the top of the movable plate 6 and one side opposite to the two first slide blocks 18, the tops of the two first slide blocks 18 are respectively and fixedly connected with the bottoms of the two movable blocks 9, the top of the second slide block 19 is fixedly connected with the bottom of the drilling block 10, the top of the base 1 is fixedly connected with the bottom of the fixed box 2, a fixed plate 5 is fixedly connected between the two sides of the inner wall of the fixed box 2, first sliding grooves 20 matched with the first slide blocks 18 are respectively formed in the fixed plate 5 and the two first fixed blocks 7, second sliding grooves 21 matched with the second slide blocks 19 are respectively formed in the fixed plate 5 and the two second fixed blocks 8, the movable plate 6 is slidably connected in the fixed box 2 and is positioned under the fixed plate 5, the first fixed blocks 7 are respectively and fixedly connected with the two sides of the top of the fixed plate 5, a second fixed block 8 is fixedly connected between the top of the fixed plate 5 and one side opposite to the two first, the top parts of the two first fixed blocks 7 are connected with movable blocks 9 in a sliding manner, the top part of the second fixed block 8 is fixedly connected with a drilling block 10, the top part of the drilling block 10 is provided with a mounting groove 22, one end of an output shaft of the two first servo electric cylinders 11 is fixedly connected with a clamping block 23, the surfaces of the two clamping blocks 23 are respectively connected with the inside of the mounting groove 22 in a sliding manner, the inside parts of the two movable blocks 9 are respectively fixedly connected with a first servo electric cylinder 11, the models of the first servo electric cylinder 11 and the second servo electric cylinder 24 are respectively an HN300 electric cylinder, one end of an output shaft of the two first servo electric cylinders 11 penetrates through the drilling block 10 and extends to the inside part of the drilling block 10, the top part of the base 1 is fixedly connected with a dust collection device 12 on the back surface of the fixed box 2, the dust collection device 12 is an industrial processing dust collection device, the back surface of the inner wall of the fixed box 2 is fixedly connected with a dust collection pipe, and those not described in detail in this specification are well within the skill of those in the art.
When the automatic drilling device works, the full-automatic drilling device is electrified, a box door on the front side of the fixed box 2 is opened, a brake pad to be processed is placed in a mounting groove 22 in the drilling block 10, the box door is closed, parameters are input into a control program according to the position of drilling on the brake pad as required, output shafts of first servo electric cylinders 11 in two first fixed blocks 7 respectively push two clamping blocks 23 to clamp and fix the brake pad in the mounting groove 22, a linear motor 16 slides towards the inner side of the fixed box 2 on a linear guide rail 15, the linear motor 16 drives a movable plate 6 to slide in two guide blocks 17, the movable plate 6 respectively drives a movable block 9 and the drilling block 10 to slide in the first fixed block 7 and a second fixed block 8 through a first sliding block 18 and a second sliding block 19, the brake pad moves to the lower part of a drill bit 4, an output shaft of the drilling motor 2 drives the drill bit 4 to rotate, and an output shaft of a second servo electric cylinder 24 extends out, promote installation piece 25 and adjustable shelf 26 downstream, when drill bit 4 drills the brake block, dust collecting device 12 carries out work, carries out timely processing through communicating pipe and dust removal pipe 13 sweeps that produces when drilling, and after accomplishing a drilling operation, two first servo electric jar 11 output shafts stretch out different distances according to the parameter, change the brake block in the inside position of mounting groove 22 to can carry out porous machining.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an automotive brake semimetal is full-automatic drilling equipment for brake block, includes base (1), fixed case (2), drilling motor (3) and drill bit (4), the bottom fixed connection of the top of base (1) and fixed case (2), its characterized in that: the device is characterized in that a fixed plate (5) is fixedly connected between two sides of the inner wall of the fixed box (2), a movable plate (6) is slidably connected inside the fixed box (2) and positioned under the fixed plate (5), first fixed blocks (7) are fixedly connected to two sides of the top of the fixed plate (5), a second fixed block (8) is fixedly connected between two opposite sides of the first fixed blocks (7) at the top of the fixed plate (5), movable blocks (9) are slidably connected to the tops of the two first fixed blocks (7), a drilling block (10) is fixedly connected to the top of the second fixed block (8), first servo electric cylinders (11) are fixedly connected inside the two movable blocks (9), and one ends of output shafts of the two first servo electric cylinders (11) penetrate through the drilling block (10) and extend to the inside of the drilling block (10), the dust collecting device is characterized in that the dust collecting device (12) is fixedly connected to the top of the base (1) and located on the back of the fixed box (2), the dust collecting pipe (13) is fixedly connected to the back of the inner wall of the fixed box (2), and the inside of the dust collecting pipe (13) is communicated with the inside of the dust collecting device (12) through a communicating pipe.
2. The full-automatic drilling device for the semi-metal brake pad of the automobile brake as claimed in claim 1, wherein: the bottom fixedly connected with mount (14) of fixed case (2) inner wall to the top fixedly connected with linear guide (15) of mount (14), the top sliding connection of linear guide (15) has linear electric motor (16), and installed part fixed connection is passed through with the bottom of fly leaf (6) in the top of linear electric motor (16).
3. The full-automatic drilling device for the semi-metal brake pad of the automobile brake as claimed in claim 1, wherein: the two sides of the inner wall of the fixed box (2) are fixedly connected with guide blocks (17), and the two sides of the movable plate (6) are respectively connected with the inner parts of the two opposite sides of the two guide blocks (17) in a sliding mode.
4. The full-automatic drilling device for the semi-metal brake pad of the automobile brake as claimed in claim 1, wherein: the drilling device is characterized in that first sliding blocks (18) are fixedly connected to two sides of the top of the movable plate (6), second sliding blocks (19) are fixedly connected to the top of the movable plate (6) and located between two opposite sides of the first sliding blocks (18), the tops of the first sliding blocks (18) are fixedly connected with the bottoms of the two movable blocks (9) respectively, and the tops of the second sliding blocks (19) are fixedly connected with the bottoms of the drilling blocks (10).
5. The full-automatic drilling device for the semi-metal brake pad of the automobile brake as claimed in claim 1, wherein: first chutes (20) matched with the first sliding blocks (18) are formed in the fixing plate (5) and the two first fixing blocks (7), and second chutes (21) matched with the second sliding blocks (19) are formed in the fixing plate (5) and the second fixing blocks (8).
6. The full-automatic drilling device for the semi-metal brake pad of the automobile brake as claimed in claim 1, wherein: mounting groove (22) have been seted up at the top of drilling piece (10), two the equal fixedly connected with of one end of first servo electric cylinder (11) output shaft presss from both sides tight piece (23) to the inside sliding connection of the surface of two tight pieces of clamp (23) all with mounting groove (22).
7. The full-automatic drilling device for the semi-metal brake pad of the automobile brake as claimed in claim 1, wherein: the servo electric jar of top fixedly connected with second (24) of fixed case (2) to the inside of fixed case (2) is run through fixed case (2) and extend to second servo electric jar (24) output shaft, second servo electric jar (24) output shaft extends to the inside one end fixedly connected with installation piece (25) of fixed case (2), and the equal fixedly connected with adjustable shelf (26) in both sides of installation piece (25), the outside of fixed case (2) is run through on the top of adjustable shelf (26) and extends to fixed case (2).
8. The full-automatic drilling device for the semi-metal brake pad of the automobile brake as claimed in claim 7, wherein: the drilling motor (3) is located inside the installation block (25), one end of an output shaft of the drilling motor (3) penetrates through the installation block (25) and extends to the outside of the installation block (25), one end of the output shaft of the drilling motor (3) extends to the outside of the installation block (25) and is fixedly connected with a drill bit connecting block (27), and the top end of a drill bit (4) is fixedly connected with the inside of the drill bit connecting block (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911284767.0A CN110899769A (en) | 2019-12-13 | 2019-12-13 | Full-automatic drilling device for semi-metal brake pad of automobile brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911284767.0A CN110899769A (en) | 2019-12-13 | 2019-12-13 | Full-automatic drilling device for semi-metal brake pad of automobile brake |
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| Publication Number | Publication Date |
|---|---|
| CN110899769A true CN110899769A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911284767.0A Pending CN110899769A (en) | 2019-12-13 | 2019-12-13 | Full-automatic drilling device for semi-metal brake pad of automobile brake |
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| CN (1) | CN110899769A (en) |
Cited By (1)
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| CN113477975A (en) * | 2021-07-24 | 2021-10-08 | 湖北龙运汽车配件有限公司 | Drilling equipment of drum-type friction disc |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477975A (en) * | 2021-07-24 | 2021-10-08 | 湖北龙运汽车配件有限公司 | Drilling equipment of drum-type friction disc |
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Application publication date: 20200324 |