CN113021528A - Hinge hole digger of adaptable multiple trompil diameter - Google Patents
Hinge hole digger of adaptable multiple trompil diameter Download PDFInfo
- Publication number
- CN113021528A CN113021528A CN202110374428.2A CN202110374428A CN113021528A CN 113021528 A CN113021528 A CN 113021528A CN 202110374428 A CN202110374428 A CN 202110374428A CN 113021528 A CN113021528 A CN 113021528A
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- CN
- China
- Prior art keywords
- spout
- adjusting
- sliding
- block
- hinge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005553 drilling Methods 0.000 claims abstract description 33
- 239000000428 dust Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 2
- 239000002023 wood Substances 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C3/00—Drilling machines or drilling devices; Equipment therefor
- B27C3/02—Stationary drilling machines with a single working spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G3/00—Arrangements for removing bark-zones, chips, waste, or dust, specially designed for use in connection with wood-working machine or in wood-working plants
Abstract
The invention discloses a hinge hole digger applicable to various hole-forming diameters, which comprises a main rod (11) and a button (12), wherein the button (12) can be pressed to start a built-in motor, the device is tightly clamped on a door plate when in use, a drilling device can be always vertical to the door plate when in use, finally the bottom depth of a drilled hole is consistent, the subsequent installation is greatly facilitated, the diameter of the drilling device can be set according to the size required by a hinge, the hole can be directly drilled without replacing a cutter, the working efficiency is improved, the space occupied by the cutter is reduced, wood chips are collected in a collecting cylinder by a special device in the working process, the wood chips are prevented from splashing during drilling, the indoor pollution is prevented, and the subsequent work of cleaning the wood chips is reduced.
Description
Technical Field
The invention relates to the field of hinge tappers, in particular to a hinge tapper capable of adapting to various tapping diameters.
Background
But need when the cabinet door is installed to the cabinet body, because need install the spring hinge, the event needs use the hinge hole digger, the size of the required trompil of hole digger is decided according to the size of the round hole of hinge, the size in hole needs to be changed to present used hinge hole digger, all need change the hole digger of a diameter again, occupation space is great and change complicacy, and because user's posture and putting of cabinet door when traditional hole digger uses, hardly guarantee that the hole of trompil is perpendicular with the cabinet door, the condition that the degree of depth is different can appear in the hole of event opening, the installation of follow-up hinge is very influenced, and trompil in-process saw-dust splashes, cause indoor a large amount of saw-dust, subsequent clearance is very difficult, therefore it improves above-mentioned problem to be necessary to set up the hinge hole dig.
Disclosure of Invention
The invention aims to provide a hinge hole digger capable of adapting to various hole opening diameters, which can overcome the defects in the prior art and improve the practicability of equipment.
In preferred embodiment, including mobile jib and button, the button can be pressed and start built-in motor to make the device begin to work, the mobile jib right side is equipped with the dial, the dial upside is equipped with the scale, can let the user set for according to the size that the hinge actual need punched, the mobile jib left side is equipped with the screw thread section, the downside all is equipped with the bracing piece on the dial, be equipped with first spout in the bracing piece.
In a preferred embodiment, the adjusting drum is sleeved on the middle threaded section of the main rod, the adjusting drum moves left and right when rotated, a pointer is arranged on the right side of the adjusting drum, the pointer can play a role in indicating left and right, and the rotating angle of the adjusting drum can be used for indicating the scales on the indicating dial.
In a preferred embodiment, a sliding chute is arranged at the middle side of the adjusting drum, two sliding support pieces are arranged in the sliding chute in a sliding mode, and the sliding support pieces are in sliding fit transmission with the first chute.
In a preferred embodiment, a sliding rotary table is slidably arranged between the two support rods, a rotating part is rotatably arranged in the sliding rotary table, the rotating part is in sliding fit with the adjusting rotary drum, and the leftmost side of the main rod is in power connection with the rotating part.
In preferred embodiment, a fixed connecting rod that is equipped with in rotation piece left side, the fixed connecting block that is equipped with in connecting rod left side, the connecting block right side is equipped with the support annular, it is annular to support the annular, support the annular with the leftmost sliding fit transmission of bracing piece plays the effect of support, the connecting block left side is equipped with two regulation spouts from top to bottom, the fixed guide arm that is equipped with between the regulation spout lateral wall, it is equipped with adjust the slider to slide on the guide arm, adjust the slider with be equipped with the spring between the regulation spout lateral wall, adjust the slider and extend to the outer space backward, be equipped with the drilling blade on the adjust the slider, the drilling blade with through being connected between the adjust the slider, can the dismouting right the drilling blade is changed, adjust the slider with it is equipped with the hinge bar to.
In a preferred embodiment, a structural member is fixedly arranged on the upper side of the supporting rod, a clamping mechanism is arranged on the upper side of the structural member in a sliding manner, a second sliding groove is formed in the right side of the clamping mechanism and is in sliding fit with the structural member, a spring is arranged between the left side of the structural member and the left side wall of the second sliding groove, a threaded sliding groove is formed in the left side of the clamping mechanism, a threaded rod is rotatably arranged in the threaded sliding groove and is provided with threads, a manual knob is arranged on the left side of the threaded rod and can be manually rotated, a vertical clamping block is arranged on the upper side of the threaded sliding groove in a sliding manner and is in threaded fit transmission with the threaded sliding groove, the vertical clamping block is matched with a drilling blade to clamp a wood board to be drilled, a fixed block is arranged on the lower side of the supporting, the saw-dust-splashing-preventing sleeve is an annular cylinder and can stretch and retract, the diameter of the saw-dust-splashing-preventing sleeve is larger than the maximum diameter of the saw-dust-splashing-preventing sleeve, and the saw-dust-splashing-preventing sleeve can prevent saw dust from splashing.
The invention has the beneficial effects that: according to the hinge hole digger applicable to various hole opening diameters, the device is tightly clamped on the door plate when in use, the drilling device can be always vertical to the door plate in the use process, the bottom depth of a drilled hole can be finally consistent, the subsequent installation is greatly facilitated, the diameter of the drilling device can be set according to the size required by the hinge, the hole can be directly drilled without replacing a cutter, the working efficiency is improved, the space occupied by the cutter is reduced, wood chips are collected in the collecting barrel through a special device in the working process, the wood chips are prevented from splashing during drilling, indoor pollution is avoided, and the subsequent work of cleaning the wood chips is reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic diagram of the overall construction of a hinge hole opener of the present invention that can accommodate a variety of hole diameters.
Fig. 2 is a schematic view of the structure a-a in fig. 1.
FIG. 3 is a schematic diagram of B-B in FIG. 1.
Fig. 4 is an enlarged schematic view of C in fig. 3.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Combine accompanying figure 1-4 a hinge hole digger of adaptable multiple trompil diameter, including mobile jib 11 and button 12, button 12 can press and start built-in motor to make the device begin work, mobile jib 11 right side is equipped with indicator 13, indicator 13 upside is equipped with the scale, can let the user set for according to the size that the hinge actual need punched, mobile jib 11 left side is equipped with the screw thread section, the downside all is equipped with bracing piece 16 on the indicator 13, be equipped with first spout 17 in the bracing piece 16.
The adjusting drum 14 is sleeved on the middle thread section of the main rod 11, when the adjusting drum 14 is rotated, the adjusting drum 14 moves left and right, the indicating needle 15 is arranged on the right side of the adjusting drum 14, the indicating needle 15 can play a role in indicating left and right, as shown in fig. 2, the rotating angle of the adjusting drum 14 can be adjusted to the scale on the indicating disc 13, when the adjusting drum 14 rotates in the forward direction, the adjusting drum 14 moves left, and when the adjusting drum 14 rotates in the reverse direction, the adjusting drum 14 moves right.
As shown in fig. 1, a sliding chute 19 is provided at the middle side of the adjusting drum 14, two sliding supports 18 are slidably provided in the sliding chute 19, the sliding supports 18 are in sliding fit with the first chute 17, when the adjusting drum 14 moves to the left, the sliding supports 18 slide to the left in the first chute 17, and when the adjusting drum 14 moves to the right, the sliding supports 18 slide to the right in the first chute 17.
Two it is equipped with slip carousel 20 to slide between the bracing piece 16, it is equipped with a rotation piece 21 to rotate in the slip carousel 20, rotate piece 21 with adjust rotary drum 14 sliding fit, mobile jib 11 leftmost side with rotate 21 power connection, work as button 12 is pressed the back, it can round to rotate piece 21 the axle center of mobile jib 11 rotates.
The left side of the rotating piece 21 is fixedly provided with a connecting rod 30, the left side of the connecting rod 30 is fixedly provided with a connecting block 23, the right side of the connecting block 23 is provided with a supporting ring groove 24, the supporting ring groove 24 is annular, the supporting ring groove 24 and the leftmost sliding fit transmission of the supporting rod 16 play a supporting role, the left side of the connecting block 23 is vertically provided with two adjusting sliding grooves 35, as shown in fig. 3, a guide rod 36 is fixedly arranged between the side walls of the adjusting sliding grooves 35, an adjusting sliding block 37 is arranged on the guide rod 36 in a sliding manner, a spring is arranged between the adjusting sliding block 37 and the side wall of the adjusting sliding groove 35, the adjusting sliding block 37 extends backwards to the outer space, the shape of the adjusting sliding block 37 is as shown in fig. 3, a drilling blade 38 is arranged on the adjusting sliding block 37, as shown in fig. 4, the boring blade 38 can be replaced by dismounting, a hinge rod 22 is hinged between the adjusting slider 37 and the rotating member 21, when the rotating member 21 moves to the left, the adjusting slider 37 moves away from each other, so that the diameter of the circle formed by the boring blade 38 becomes larger, after the adjusting drum 14 is correspondingly rotated to obtain the required boring diameter, the button 12 is pressed, so that the rotating member 21 starts to rotate, the connection of the hinge rod 22 is completed, so that the connecting block 23, the adjusting slider 37 and the boring blade 38 all start to rotate, and the boring blade 38 gradually cuts the wood board and bores the hole into the wood board.
Upside the 16 upside of bracing piece are fixed and are equipped with structure 28, 28 upside slip of structure is equipped with fixture 26, fixture 26 right side is equipped with second spout 27, second spout 27 with 28 sliding fit of structure, be equipped with the spring between the structure 28 left side with 27 left side wall of second spout, fixture 26 left side is equipped with screw thread spout 31, rotate in the screw thread spout 31 and be equipped with threaded rod 32, be equipped with the screw thread on the threaded rod 32, threaded rod 32 left side is equipped with manual knob 34, manual knob 34 can manual rotation, screw thread spout 31 upside slip is equipped with vertical clamp piece 33, vertical clamp piece 33 with 31 screw thread fit transmission of screw thread spout, vertical clamp piece 33 with the cooperation of drilling blade 38 can press from both sides the plank that needs to punch tightly, downside the 16 downside of bracing piece is equipped with fixed block 29, the wood chip splashing preventing sleeve 25 is arranged on the left side of the fixing block 29 and the structural member 28, the wood chip splashing preventing sleeve 25 is an annular cylinder, the wood chip splashing preventing sleeve 25 can stretch and contract, the diameter of the wood chip splashing preventing sleeve 25 is larger than the maximum diameter which can be cut, the wood chip splashing preventing sleeve 25 can prevent wood chips from splashing, when the device is used, the structural member 28 is pulled firstly, so that the structural member 28 reaches the rightmost side of the second sliding chute 27, the support distance between the vertical clamping block 33 and the drilling blade 38 is the maximum, a wood board is placed between the drilling blade 38 and the vertical clamping block 33, due to the planes of the drilling blade 38 and the vertical clamping block 33, the drilling direction of the drilling blade 38 is perpendicular to the wood board, and at the moment, the manual knob 34 is rotated, so that the vertical clamping block 33 clamps the wood board, after completion, the button 12 can be pressed to start the device.
In one embodiment, when the device is to be used, the structural member 28 is pulled first so that the structural member 28 reaches the rightmost side of the second slide groove 27, the vertical clamping block 33 is at the greatest distance from the drilling blade 38, a wooden board is placed between the drilling blade 38 and the vertical clamping block 33, the drilling direction of the drilling blade 38 is perpendicular to the wooden board due to the planes of the drilling blade 38 and the vertical clamping block 33, the manual knob 34 is rotated so that the vertical clamping block 33 clamps the wooden board, then by manually rotating the angle of the adjusting drum 14, when the rotating member 21 is moved to the left, the adjusting sliders 37 are moved away from each other so that the diameter of the circle formed by the drilling blade 38 becomes larger, and by correspondingly rotating the adjusting drum 14 to obtain the desired hole-digging diameter, subsequently, the button 12 is pressed down, so that the rotating part 21 starts to rotate, the pan is communicated with the connection of the hinge rod 22, the connecting block 23, the adjusting slider 37 and the drilling blade 38 all start to rotate, the drilling blade 38 can gradually cut the wood board and dig holes into the wood board, under the action of a spring on the left side of the structural part 28, the structural part 28 drives the drilling blade 38 to move towards the inner side of the wood board all the time, and until the drilling is finished, in the drilling process, the adjusting chute 35 is always positioned at the periphery of the drilling position to play a role in preventing wood chips from splashing to the outer side, so that subsequent cleaning is facilitated, the device is dismounted after the completion, and a spring hinge can be conveniently installed.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a hinge hole digger of adaptable multiple trompil diameter, includes mobile jib (11) and button (12), button (12) can press and start built-in motor to make the device begin to work, mobile jib (11) right side is equipped with indicating disc (13), indicating disc (13) upside is equipped with the scale, can let the user set for according to the size that the hinge actual need punched, mobile jib (11) left side is equipped with the screw thread section, downside all is equipped with bracing piece (16) on indicating disc (13), be equipped with first spout (17) in bracing piece (16).
2. A hinge hole opener according to claim 1, adapted to accommodate a plurality of hole diameters, wherein: the adjusting rotary drum (14) is sleeved on the middle thread section of the main rod (11), when the adjusting rotary drum (14) is rotated, the adjusting rotary drum (14) can move left and right, an indicating needle (15) is arranged on the right side of the adjusting rotary drum (14), the indicating needle (15) can play a role in indicating left and right, and the rotating angle of the adjusting rotary drum (14) can be adjusted to the scales on the indicating disc (13).
3. A hinge hole opener according to claim 1, adapted to accommodate a plurality of hole diameters, wherein: the middle side of the adjusting rotary drum (14) is provided with a sliding chute (19), two sliding support pieces (18) are arranged in the sliding chute (19) in a sliding mode, and the sliding support pieces (18) are in sliding fit transmission with the first sliding chute (17).
4. A hinge hole opener according to claim 1, adapted to accommodate a plurality of hole diameters, wherein: two it is equipped with slip carousel (20) to slide between bracing piece (16), it is equipped with rotation piece (21) to rotate in slip carousel (20), rotate piece (21) with adjust rotary drum (14) sliding fit, mobile jib (11) leftmost side with rotate piece (21) power connection.
5. A hinge hole opener according to claim 1, adapted to accommodate a plurality of hole diameters, wherein: the utility model discloses a fixed connecting rod (30) that is equipped with in rotation piece (21) left side, connecting rod (30) left side is fixed and is equipped with connecting block (23), connecting block (23) right side is equipped with supports annular (24), it is annular to support annular (24), support annular (24) with the leftmost side sliding fit transmission of bracing piece (16) plays the effect of supporting, connecting block (23) left side is equipped with two about and adjusts spout (35), it is fixed between spout (35) lateral wall to be equipped with guide arm (36), it is equipped with adjusting block (37) to slide on guide arm (36), adjusting block (37) with be equipped with the spring between spout (35) lateral wall, adjusting block (37) extend to the outer space backward, be equipped with drilling blade (38) on adjusting block (37), drilling blade (38) with adjust and connect through (39) between the slider (37), the drilling blade (38) can be replaced by dismounting, and a hinge rod (22) is hinged between the adjusting slide block (37) and the rotating piece (21).
6. A hinge hole opener according to claim 1, adapted to accommodate a plurality of hole diameters, wherein: upside bracing piece (16) upside is fixed and is equipped with structure (28), structure (28) upside slip is equipped with fixture (26), fixture (26) right side is equipped with second spout (27), second spout (27) with structure (28) sliding fit, structure (28) left side with be equipped with the spring between second spout (27) left side wall, fixture (26) left side is equipped with screw thread spout (31), it is equipped with threaded rod (32) to rotate in screw thread spout (31), be equipped with the screw thread on threaded rod (32), threaded rod (32) left side is equipped with manual knob (34), manual knob (34) can manual rotation, screw thread spout (31) upside slip is equipped with vertical clamping block (33), vertical clamping block (33) with screw thread spout (31) screw-thread fit transmission, perpendicular clamp splice (33) with the plank that needs punch can be pressed from both sides tightly in the cooperation of drilling blade (38), the downside bracing piece (16) downside is equipped with fixed block (29), fixed block (29) with structure (28) left side is equipped with prevents that the saw-dust splashes sleeve (25), it is an annular drum to prevent that the saw-dust splashes sleeve (25), it can stretch out and draw back to prevent that the saw-dust splashes sleeve (25), the diameter of preventing that the saw-dust splashes sleeve (25) is greater than the maximum diameter that can cut out, prevent that the saw-dust splashes sleeve (25) and can prevent the saw-dust to scatter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374428.2A CN113021528B (en) | 2021-04-07 | 2021-04-07 | Hinge hole digger of adaptable multiple trompil diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374428.2A CN113021528B (en) | 2021-04-07 | 2021-04-07 | Hinge hole digger of adaptable multiple trompil diameter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113021528A true CN113021528A (en) | 2021-06-25 |
| CN113021528B CN113021528B (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110374428.2A Expired - Fee Related CN113021528B (en) | 2021-04-07 | 2021-04-07 | Hinge hole digger of adaptable multiple trompil diameter |
Country Status (1)
| Country | Link |
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| CN (1) | CN113021528B (en) |
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| FR2019798A1 (en) * | 1968-10-03 | 1970-07-10 | Chicago Bridge & Iron Co | |
| US5076742A (en) * | 1991-02-21 | 1991-12-31 | Lee Valley Tools Ltd. | Hinge drilling jig |
| CN204603374U (en) * | 2013-12-19 | 2015-09-02 | 米沃奇电动工具公司 | Hole machined assembly and adjustable hole machined system |
| CN107859491A (en) * | 2017-12-07 | 2018-03-30 | 南京市雨花台区知识产权促进中心 | A kind of Soil K+adsorption electrodynamic type drilling equipment of adjustable drilling size |
| CN108941697A (en) * | 2018-08-23 | 2018-12-07 | 清远市知途自动化科技有限公司 | A kind of drilling equipment of the adjustable drilling size of machine components processing |
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| CN110043192A (en) * | 2019-05-28 | 2019-07-23 | 中国五冶集团有限公司 | A kind of reducing drilling equipment and its assemble method |
| CN110948710A (en) * | 2019-12-15 | 2020-04-03 | 寇俊祥 | Working method of punching device with protective structure for bridge building |
| CN111376054A (en) * | 2020-04-27 | 2020-07-07 | 福清市利恒科技有限公司 | Drilling equipment with reaming function |
| CN211490476U (en) * | 2020-01-17 | 2020-09-15 | 李建新 | Punching device for automobile sheet metal part |
| CN111688040A (en) * | 2020-06-29 | 2020-09-22 | 福清市利恒科技有限公司 | Automatic punching and mounting device for wall bushing |
| CN111775215A (en) * | 2020-08-06 | 2020-10-16 | 东阳潘辰竹木工艺品有限公司 | Board drilling equipment capable of automatically switching drill bits |
| CN111872429A (en) * | 2020-08-06 | 2020-11-03 | 武义县镀石机械设备有限公司 | Perforating device of adjustable aperture size degree of depth |
| CN212109767U (en) * | 2019-12-27 | 2020-12-08 | 山西安达爆破工程有限公司 | Engineering detonator blasting construction device |
-
2021
- 2021-04-07 CN CN202110374428.2A patent/CN113021528B/en not_active Expired - Fee Related
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2019798A1 (en) * | 1968-10-03 | 1970-07-10 | Chicago Bridge & Iron Co | |
| US5076742A (en) * | 1991-02-21 | 1991-12-31 | Lee Valley Tools Ltd. | Hinge drilling jig |
| CN204603374U (en) * | 2013-12-19 | 2015-09-02 | 米沃奇电动工具公司 | Hole machined assembly and adjustable hole machined system |
| CN107859491A (en) * | 2017-12-07 | 2018-03-30 | 南京市雨花台区知识产权促进中心 | A kind of Soil K+adsorption electrodynamic type drilling equipment of adjustable drilling size |
| CN208416528U (en) * | 2018-06-12 | 2019-01-22 | 四川弘诚天毅工程咨询股份有限公司 | A kind of efficiently prospecting device |
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| CN208680608U (en) * | 2018-09-17 | 2019-04-02 | 东莞金源五金机械有限公司 | It is a kind of for processing the cutter of hardware deep hole |
| CN109531833A (en) * | 2019-01-22 | 2019-03-29 | 褚梦佳 | A kind of civil engineering construction ceramic tile rapid drilling device |
| CN110043192A (en) * | 2019-05-28 | 2019-07-23 | 中国五冶集团有限公司 | A kind of reducing drilling equipment and its assemble method |
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| CN211490476U (en) * | 2020-01-17 | 2020-09-15 | 李建新 | Punching device for automobile sheet metal part |
| CN111376054A (en) * | 2020-04-27 | 2020-07-07 | 福清市利恒科技有限公司 | Drilling equipment with reaming function |
| CN111688040A (en) * | 2020-06-29 | 2020-09-22 | 福清市利恒科技有限公司 | Automatic punching and mounting device for wall bushing |
| CN111775215A (en) * | 2020-08-06 | 2020-10-16 | 东阳潘辰竹木工艺品有限公司 | Board drilling equipment capable of automatically switching drill bits |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113021528B (en) | 2022-12-23 |
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