CN110883549B - High-efficient drilling and tapping device of convertible hardware - Google Patents
High-efficient drilling and tapping device of convertible hardware Download PDFInfo
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- CN110883549B CN110883549B CN201911069871.8A CN201911069871A CN110883549B CN 110883549 B CN110883549 B CN 110883549B CN 201911069871 A CN201911069871 A CN 201911069871A CN 110883549 B CN110883549 B CN 110883549B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
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Abstract
The invention relates to the technical field of hardware drilling and tapping equipment, in particular to a turnover type hardware efficient drilling and tapping device which comprises a base, wherein side plates are fixed at the front end and the rear end of the upper surface of the base respectively, bearings are arranged on the side plates, a turnover platform is arranged between the front side plate and the rear side plate, rotating shafts are connected to the front side surface and the rear side surface of the turnover platform, the turnover platform is connected with the bearings through the rotating shafts to realize rotation, a transmission case is fixed at the front end of the upper surface of the base, a speed reduction motor is fixed at the front side surface of the transmission case, and a complete gear and a semi-complete gear which are mutually meshed are arranged in an inner cavity of the transmission case; compared with the existing hardware drilling and tapping integrated device, the hardware drilling and tapping integrated device has the advantages that the hardware drilling and tapping treatment is respectively carried out on the two side faces of the turnover platform, the hardware machining efficiency is greatly improved, the accuracy rate in machining is high, the error condition cannot occur, the scrap generated in machining is reduced, and the drilling and tapping effect is better.
Description
Technical Field
The invention relates to the technical field of hardware drilling and tapping equipment, in particular to a turnover type hardware efficient drilling and tapping device.
Background
In the process of processing hardware, common processing modes include turning, milling, planing, grinding, cutting, drilling, boring and the like, wherein the drilling comprises the most common drilling operation and tapping operation. At present, the existing drilling and tapping device is subdivided into drilling and tapping integrated processing and drilling and tapping step-by-step processing, wherein the drilling and tapping integrated processing mainly comprises the step of drilling and tapping the part to be processed of the hardware by utilizing the motor to drive the drilling and tapping composite cutter, the processing mode can improve the efficiency of the drilling and tapping, but the drilling and tapping composite cutter is higher in price and easy to damage compared with a single drilling cutter or tapping cutter, and therefore frequent replacement is needed. The existing step-by-step drilling and tapping device mainly drills and taps the same hardware successively through disc rotation, and although the step-by-step machining can effectively avoid the problem of cutter damage, the machining efficiency of the step-by-step machining is limited, so that the step-by-step drilling and tapping device becomes the bottleneck of an enterprise in the process of machining the hardware.
The invention with the patent number of CN110142608A discloses a hardware drilling and tapping all-in-one machine, which comprises a base, a first hydraulic cylinder and a second hydraulic cylinder, wherein a collecting tank is arranged on the upper surface of the base, a fixing plate is mounted on the upper portion of the base through a bolt, a rotating plate is arranged above the fixing plate, a first servo motor is mounted on the middle portion of the fixing plate through a bolt, a counter bore is formed in the surface of the rotating plate, a rubber clamping plate is mounted at the tail end of an electric telescopic rod, an end cover is mounted on the upper portion of the rotating plate through a bolt, a drilling machine is mounted above the second hydraulic cylinder, and a second servo motor is mounted inside each of the drilling machine and the tapping machine; although the invention can simultaneously carry out drilling and tapping operations on the sheet metal parts, the invention only can carry out drilling and tapping on one machined part each time depending on the fixed-angle rotation of the rotating plate, thereby greatly limiting the machining efficiency of the hardware. Therefore, aiming at the defects of the existing device, the invention provides a device capable of efficiently drilling and tapping hardware, which is a technical problem to be solved.
Disclosure of Invention
The invention aims to solve the technical problem of designing a turnover type hardware efficient drilling and tapping device to solve the defect that an existing hardware drilling and tapping integrated device is low in working efficiency.
The invention is realized by the following technical scheme:
the utility model provides a high-efficient drilling and tapping device of convertible hardware, includes the base, both ends are all fixed with the curb plate around the base upper surface, all be provided with the bearing on the curb plate, lie in be provided with the upset platform between two curb plates around, be connected with the pivot on the front and back both sides face of upset platform, the upset platform realizes rotating through being connected between pivot and the bearing, the front end of base upper surface is fixed with the transmission case, the front side of transmission case is fixed with gear motor, be provided with intermeshing's complete gear and semi-complete gear in the inner chamber of transmission case, complete gear is connected with the output shaft that gear motor stretches into the transmission case inner chamber, semi-complete gear is connected with the pivot that stretches into the transmission case inside;
the overturning platform is characterized in that the left end and the right end of the overturning platform are both provided with rectangular notches, the middle of each rectangular notch is connected with a rectangular strip, the upper surface and the lower surface of each rectangular strip are both provided with a plurality of slide rails, a movable block is arranged in each rectangular notch, the inner side surface of each movable block is provided with a strip-shaped groove matched with the rectangular strip, the upper wall and the lower wall of each strip-shaped groove are provided with a plurality of slide rail grooves opposite to the slide rails, the outer side surface of each movable block is provided with a plurality of workpiece mounting grooves, clamping blocks are arranged in the workpiece mounting grooves, the middle of the upper surface and the lower surface of the overturning platform is provided with a slide groove, two slide blocks are arranged in each slide groove, hydraulic cylinders are fixed on the overturning platforms at the front side and the rear side of each slide groove, piston rods of the hydraulic cylinders are connected with corresponding slide blocks, the left side surface and the right side surface of each slide block are fixed with a first rotating seat, and the back surface of each movable block is fixed with a second rotating seat, the drilling machine is characterized in that a rotating rod is rotatably connected between the first rotating seat and the second rotating seat, a drilling machine case and a tapping machine case are respectively fixed at the left end and the right end of the upper surface of the base, driving motors are respectively fixed on the outer side walls of the drilling machine case and the tapping machine case, a plurality of drilling cutter heads and tapping cutter heads corresponding to the workpiece mounting grooves are respectively arranged on the inner side walls of the drilling machine case and the tapping machine case, and a control box is further arranged on the side plate.
As the further improvement of above-mentioned scheme, all be provided with the wedge below the rear end of upset platform, the inclined plane has been seted up to the upper surface rear end of wedge, is close to be fixed with the mounting panel on the curb plate of wedge, be provided with the double-rod cylinder on the mounting panel, be connected with the ejector pad on the piston rod of double-rod cylinder, the ejector pad upper surface has been seted up with wedge matched with hold in the palm the groove, and every upset of upset platform is 180 when to the level, and the piston rod extension of double-rod cylinder promotes the ejector pad and moves to the wedge bottom to it is more stable when making whole upset platform be in the horizontality through holding in the palm the groove, accurate when guaranteeing drilling, tapping.
As a further improvement of the above scheme, be provided with a plurality of tops with the workpiece mounting groove corresponds on the lateral surface of rectangle strip and take off the post, set up on the diapire of workpiece mounting groove and take off the corresponding through-hole of post with the top, stretch out and draw back to the shortest through the piston rod with the pneumatic cylinder for the top takes off the back that the post deepened workpiece mounting groove through the through-hole, and takes off the hardware top that will process, makes its degree of automation higher.
As a further improvement of the scheme, the drilling machine case and the tapping machine case are further provided with cooling liquid spray heads, and in the drilling and tapping processes, the stability of a machining part can be reduced by spraying cooling liquid to a machining position, so that the damage of high temperature to the drilling cutter head and the tapping cutter head is reduced.
As a further improvement of the scheme, the number of the workpiece mounting grooves formed in the movable block is 3-10, and the number of the workpiece mounting grooves is selected according to the actual situation.
Has the advantages that:
according to the invention, through the action of the speed reducing motor, the complete gear and the semi-complete gear, the 180-degree intermittent turnover of the whole turnover platform to the horizontal state is realized, then the movable block is pushed to move towards the drilling case and the tapping case through the action of the hydraulic cylinder, the hardware in a plurality of workpiece mounting grooves can be drilled and tapped simultaneously, and the drilling and tapping efficiency of the hardware is greatly improved; in addition, the push block is pushed to the lower side of the wedge block through the double-rod cylinder, the wedge block can enable the whole overturning platform to be always in a horizontal state in the machining process through the action of the upper bracket of the push block, and the accuracy in the drilling and tapping processes is guaranteed. The drilling and tapping device breaks through the mode of the traditional hardware drilling and tapping device, is novel in structure and higher in machining efficiency and accuracy, and can be widely popularized and used.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a first angular perspective structure of the present invention;
FIG. 2 is a schematic view of a second angular perspective structure according to the present invention;
FIG. 3 is a third perspective view of the present invention;
FIG. 4 is a schematic perspective view of the turning platform of the present invention;
FIG. 5 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 6 is a schematic diagram of a back perspective structure of the movable block of the present invention;
FIG. 7 is an enlarged view of the structure at B in FIG. 3;
fig. 8 is a schematic plan view showing the inside of the transmission case of the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 8, in conjunction with the embodiments.
The invention discloses a turnover type hardware efficient drilling and tapping device, which comprises a main body, wherein the main body comprises a base 1, side plates 2 are fixed at the front end and the rear end of the upper surface of the base 1, bearings 3 are arranged on the side plates, a turnover platform 4 is arranged between the front side plate and the rear side plate, rotating shafts 5 are connected to the front side surface and the rear side surface of the turnover platform 4, the rotating shaft 5 on the front side surface of the turnover platform 4 penetrates through the bearings 3 and extends for a certain distance, the rotating shaft 5 on the rear side surface of the turnover platform 4 is connected with the bearings 3, and the whole turnover platform 4 is connected with the bearings 3 through the rotating shafts 5. The front end of the upper surface of the base 1 is also fixed with a transmission case 6, the front side surface of the transmission case 6 is fixed with a speed reducing motor 7, an inner cavity of the transmission case 6 is provided with a complete gear 601 and a semi-complete gear 602 which are meshed with each other, wherein the complete gear 601 is connected with an output shaft of the speed reducing motor 7 extending into the inner cavity of the transmission case 6, the semi-complete gear 602 is connected with a rotating shaft 5 extending into the transmission case 6, and 180-degree intermittent overturning of the overturning platform 4 can be realized through the actions of the speed reducing motor 7, the complete gear 601 and the semi-complete gear 602.
In order to provide drilling, precision during tapping, still all be provided with wedge 15 below the rear end of upset platform 4 is last, inclined plane 151 has been seted up to wedge 15's upper surface rear end, be fixed with mounting panel 16 on being close to the curb plate 4 of wedge 15, be provided with double-rod cylinder 17 on the mounting panel 16, be connected with ejector pad 18 on its double-rod cylinder 17's the piston rod, the upper surface of ejector pad 18 has been seted up with wedge 15 matched with support groove 181, through the above specific improvement, can make upset platform 4 rotate to the level, its double-rod cylinder 17 promotes the motion of 18 case wedges 15 departments of ejector pad, support groove 181 further deepens wedge 15 in following inclined plane 151, can play the fixed action to the upset platform 4 of water condition, thereby guarantee drilling, tapping in-process upset platform 4 rotates.
The outer side surface of the movable block 8 is provided with a plurality of workpiece mounting grooves 803, and the number of the workpiece mounting grooves 803 can be set to 3-10, but the method is not limited to this, and the adjustment can be carried out according to the actual situation in the machining process. A clamping block 804 is arranged in the workpiece mounting groove 803, and hardware arranged in the workpiece mounting groove 803 can be seen to be clamped through the clamping block 804. The middle of the upper surface and the lower surface of the overturning platform 4 is provided with a sliding chute 404, two sliding blocks 9 are arranged inside the sliding chute 404, the overturning platform 4 positioned on the front side and the rear side of the sliding chute 404 is provided with a hydraulic cylinder 10, and a piston rod of the hydraulic cylinder 10 is connected with the corresponding sliding block 9. A first rotating base 901 is fixed on each of the left and right side surfaces of the slider 9, a second rotating base 902 is fixed on each of the back surfaces of the movable blocks 8, a rotating rod 903 is rotatably connected between the first rotating base 901 and the second rotating base 902, and the entire movable block 8 can move outward by extending the piston rod of the hydraulic cylinder 10.
A drilling machine case 11 and a tapping machine case 12 are respectively fixed at the left end and the right end of the upper surface of the base 1, driving motors 13 are respectively fixed on the outer side walls of the drilling machine case 11 and the tapping machine case 12, a plurality of drilling cutter heads 111 and tapping cutter heads 121 are respectively arranged on the inner side walls of the drilling machine case 11 and the tapping machine case 12, and the drilling cutter heads 111 and the tapping cutter heads 121 correspond to the workpiece mounting grooves 803 on the corresponding movable blocks 8. Finally, a control box 14 is also arranged on the side plate 2, and the operation of the whole device is realized through the control box 14.
In addition, in order to facilitate unloading of the machined hardware, a plurality of ejection columns 405 corresponding to the workpiece mounting grooves 803 are arranged on the outer side surfaces of the rectangular strips 402, through holes 805 corresponding to the ejection columns are formed in the bottom walls of the workpiece mounting grooves 405, and the piston rods of the hydraulic cylinders 10 are stretched to the shortest length, so that the ejection columns 405 penetrate through the through holes 805 to penetrate into the back surfaces of the workpiece mounting grooves 803 to eject the hardware. Meanwhile, when the inventor considers that the damage to the drilling tool bit 111 and the tapping tool bit 121 caused by high temperature is reduced, the cooling liquid spray headers (not specifically shown in the figures) are further arranged on the drilling machine box 11 and the tapping machine box 12 in combination with the prior art, and since the cooling liquid spray headers are prior art, the detailed description is not provided in this embodiment.
The working principle of the turnover type hardware efficient drilling and tapping device is as follows:
firstly, the overturning platform 4 is driven by the speed reducing motor 7 to be positioned on a non-horizontal plane, a loading device (not shown in the figure) or a loading robot is used for placing hardware to be processed into the workpiece mounting groove 803, then the overturning platform 4 is used to be positioned in a horizontal state, the wedge block 15 is positioned in the bracket 181 through the extension of the piston rod of the double-rod air cylinder 17 to ensure the stability of the whole overturning platform, then the piston rod of the hydraulic cylinder 10 is extended, so that the workpiece mounting groove 803 moves towards the drilling tool bit 111 and the tapping tool bit 121, the hardware is firstly drilled through the drilling tool bit 111, and then the hardware is overturned for 180 degrees and then the interior of the through hole is tapped through the tapping tool bit 121. When the whole drilling and tapping step is finished, the piston rod of the hydraulic cylinder 10 is shortened to the shortest state, the movable block 8 moves to the innermost part towards the rectangular notch 401 at the moment, and the ejection column 405 ejects hardware finished by machining the inside of the workpiece mounting groove 803 through the through hole 805, so that automatic blanking is realized.
Compared with the existing hardware drilling and tapping integrated device, the hardware drilling and tapping integrated device has the advantages that the hardware drilling and tapping treatment is respectively carried out on the two side faces of the turnover platform, the hardware machining efficiency is greatly improved, the accuracy rate in machining is high, the error condition cannot occur, the scrap generated in machining is reduced, and the drilling and tapping effect is better.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The efficient drilling and tapping device for the turnover hardware comprises a base and is characterized in that side plates are fixed at the front end and the rear end of the upper surface of the base, bearings are arranged on the side plates, a turnover platform is arranged between the front side plate and the rear side plate, rotating shafts are connected to the front side surface and the rear side surface of the turnover platform, the turnover platform is connected with the bearings through the rotating shafts to realize rotation, a transmission case is fixed at the front end of the upper surface of the base, a speed reduction motor is fixed to the front side surface of the transmission case, a complete gear and a semi-complete gear which are meshed with each other are arranged in an inner cavity of the transmission case, the complete gear is connected with an output shaft of the speed reduction motor, and the semi-complete gear is connected with the rotating shafts extending into the transmission case;
the overturning platform is characterized in that the left end and the right end of the overturning platform are both provided with rectangular notches, the middle of each rectangular notch is connected with a rectangular strip, the upper surface and the lower surface of each rectangular strip are both provided with a plurality of slide rails, a movable block is arranged in each rectangular notch, the inner side surface of each movable block is provided with a strip-shaped groove matched with the rectangular strip, the upper wall and the lower wall of each strip-shaped groove are provided with a plurality of slide rail grooves opposite to the slide rails, the outer side surface of each movable block is provided with a plurality of workpiece mounting grooves, clamping blocks are arranged in the workpiece mounting grooves, the middle of the upper surface and the lower surface of the overturning platform is provided with a slide groove, two slide blocks are arranged in each slide groove, hydraulic cylinders are fixed on the overturning platforms at the front side and the rear side of each slide groove, piston rods of the hydraulic cylinders are connected with corresponding slide blocks, the left side surface and the right side surface of each slide block are fixed with a first rotating seat, and the back surface of each movable block is fixed with a second rotating seat, a rotating rod is rotatably connected between the first rotating seat and the second rotating seat, a drilling case and a tapping case are respectively fixed at the left end and the right end of the upper surface of the base, driving motors are respectively fixed on the outer side walls of the drilling case and the tapping case, a plurality of drilling cutter heads and tapping cutter heads corresponding to the workpiece mounting grooves are respectively arranged on the inner side walls of the drilling case and the tapping case, and a control box is also arranged on the side plate;
the outer side surface of the rectangular strip is provided with a plurality of ejection columns corresponding to the workpiece mounting groove, and the bottom wall of the workpiece mounting groove is provided with through holes corresponding to the ejection columns.
2. The turnover type hardware efficient drilling and tapping device according to claim 1, wherein wedge blocks are arranged on the upper surface and the lower surface of the rear end of the turnover platform, inclined planes are formed in the rear end of the upper surface of each wedge block, a mounting plate is fixed on a side plate close to each wedge block, a double-rod cylinder is arranged on the mounting plate, a push block is connected to a piston rod of the double-rod cylinder, and a bracket matched with each wedge block is formed in the upper surface of the push block.
3. The turnover type hardware efficient drilling and tapping device according to claim 1, wherein cooling liquid spray headers are further arranged on the drilling machine box and the tapping machine box.
4. The turnover type hardware efficient drilling and tapping device according to claim 1, wherein the number of the workpiece mounting grooves formed in the movable block is 3-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911069871.8A CN110883549B (en) | 2019-11-05 | 2019-11-05 | High-efficient drilling and tapping device of convertible hardware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911069871.8A CN110883549B (en) | 2019-11-05 | 2019-11-05 | High-efficient drilling and tapping device of convertible hardware |
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| Publication Number | Publication Date |
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| CN110883549A CN110883549A (en) | 2020-03-17 |
| CN110883549B true CN110883549B (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911069871.8A Active CN110883549B (en) | 2019-11-05 | 2019-11-05 | High-efficient drilling and tapping device of convertible hardware |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111515478B (en) * | 2020-04-29 | 2021-04-13 | 深圳市博洋精密科技有限公司 | Tapping processing technology for metal connecting piece |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004050199A1 (en) * | 2004-10-15 | 2006-04-20 | Witzig & Frank Gmbh | Highly flexible machine tool |
| CN203304889U (en) * | 2013-05-17 | 2013-11-27 | 项星星 | Drilling machine |
| CN204954390U (en) * | 2015-08-24 | 2016-01-13 | 歌尔声学股份有限公司 | Convertible frock clamp |
| CN105598698A (en) * | 2016-02-02 | 2016-05-25 | 芜湖倍思科创园有限公司 | Multifunctional lamp cover tapping device of LED (Light Emitting Diode) lamp |
| CN110142608A (en) * | 2019-05-29 | 2019-08-20 | 孟杨 | A kind of handware drilling and tapping all-in-one machine |
| JP2019181653A (en) * | 2018-04-17 | 2019-10-24 | 株式会社ツガミ | Machine tool |
-
2019
- 2019-11-05 CN CN201911069871.8A patent/CN110883549B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004050199A1 (en) * | 2004-10-15 | 2006-04-20 | Witzig & Frank Gmbh | Highly flexible machine tool |
| CN203304889U (en) * | 2013-05-17 | 2013-11-27 | 项星星 | Drilling machine |
| CN204954390U (en) * | 2015-08-24 | 2016-01-13 | 歌尔声学股份有限公司 | Convertible frock clamp |
| CN105598698A (en) * | 2016-02-02 | 2016-05-25 | 芜湖倍思科创园有限公司 | Multifunctional lamp cover tapping device of LED (Light Emitting Diode) lamp |
| JP2019181653A (en) * | 2018-04-17 | 2019-10-24 | 株式会社ツガミ | Machine tool |
| CN110142608A (en) * | 2019-05-29 | 2019-08-20 | 孟杨 | A kind of handware drilling and tapping all-in-one machine |
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| CN110883549A (en) | 2020-03-17 |
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