CN215698150U - Helical blade drilling device - Google Patents
Helical blade drilling device Download PDFInfo
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- CN215698150U CN215698150U CN202121683304.4U CN202121683304U CN215698150U CN 215698150 U CN215698150 U CN 215698150U CN 202121683304 U CN202121683304 U CN 202121683304U CN 215698150 U CN215698150 U CN 215698150U
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- 238000005553 drilling Methods 0.000 title claims abstract description 96
- 230000007246 mechanism Effects 0.000 claims abstract description 93
- 230000005540 biological transmission Effects 0.000 claims description 36
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000004080 punching Methods 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 6
- 238000003754 machining Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
A spiral blade drilling device is characterized in that a machine base is provided with a spiral blade; the rear of the machine base is provided with a lifting mechanism; the upper part of the lifting mechanism is provided with a horizontal sliding mechanism; the horizontal sliding mechanism is provided with a drilling mechanism, the horizontal sliding mechanism is connected with the drilling mechanism through a cantilever assembly, and the working end of the drilling mechanism axially moves along the pitch line of the helical blade and is perpendicular to the blade. The drilling equipment is mainly suitable for processing and manufacturing the mounting hole in the narrow space of the helical blade of the horizontal centrifuge, the drilling machine head is enabled to move along the helical blade all the time and to be vertical to the blade through the servo mechanism, the drilling position is accurately determined through the positioning mechanism of the drilling machine head, the drilling operation is easily completed with the help of the auxiliary cylinder, and the working efficiency is improved; the punching device is suitable for punching operations of spiral parts of different types and has wide application range.
Description
Technical Field
The utility model relates to a processing device, in particular to a drilling device for a mounting hole on a spiral blade of a horizontal dewatering centrifuge.
Background
The spiral component is a main component in horizontal dewatering centrifuge equipment, and the product design requirement is to process mounting holes for mounting wear-resistant ceramic tiles on spiral blades. In traditional manufacture process, this kind of mounting hole adopts manual brill of joining in marriage usually, because of the helical blade space is limited, so can only bore manual processing for the people with 90 degrees, and in order to improve the processing effect, need 2 people to cooperate the completion, work efficiency is extremely low, joins in marriage the brill by hand, and the pitch-to-hole error is big, often needs rework, wastes time and energy, seriously restricts the production progress. At present, no automatic equipment specially used for machining the mounting hole in the helical blade exists, and simple drilling equipment cannot meet the requirement of real-time change of the machining position of the helical blade.
SUMMERY OF THE UTILITY MODEL
The utility model provides a spiral blade drilling device which can be operated by one person, is time-saving and labor-saving, and aims to overcome the technical defects in the prior art. The device can accurately position the hole on the spiral blade and drill the hole, and can meet the processing requirements of various types of spiral parts.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: a helical blade drilling device comprises a base, a lifting mechanism, a horizontal sliding mechanism and a drilling mechanism;
the machine base is provided with a helical blade to be processed;
a lifting mechanism is arranged behind the machine base to realize the up-and-down position adjustment of the drilling mechanism;
the upper part of the lifting mechanism is provided with a horizontal sliding mechanism to realize the horizontal position adjustment of the drilling mechanism;
the horizontal sliding mechanism is provided with a drilling mechanism, the horizontal sliding mechanism is connected with the drilling mechanism through a cantilever assembly to realize the up-and-down swing and the multi-degree-of-freedom angle adjustment of the drilling mechanism,
and the working end of the drilling mechanism axially moves along the pitch line of the helical blade and is perpendicular to the blade, so that drilling is realized.
The machine base comprises a fixed machine base and a movable machine base; and a guide rail is arranged between the fixed machine base and the movable machine base, and the movable machine base is connected and positioned with the guide rail through a connecting piece.
The upper portions of opposite surfaces of the fixed machine base and the movable machine base are respectively provided with a supporting shaft, the two supporting shafts are symmetrically arranged, and the free ends of the supporting shafts are provided with supporting bearings used for mounting helical blades.
The lifting mechanism comprises vertical frames which are arranged in parallel; a horizontal connecting shaft is arranged between the lower parts of the two vertical frames, and a driving assembly is assembled on the connecting shaft; two shaft ends of the connecting shaft are respectively connected with a lead screw which is longitudinally arranged through a commutator for transmission; the lead screw is provided with a connecting rod, and the free end of the connecting rod is connected with a horizontal guide rail in the horizontal sliding mechanism.
The vertical frame is provided with a sliding sleeve, and the connecting rod is sleeved in the sliding sleeve and is in sliding fit with the sliding sleeve; a nut is fixedly arranged on the connecting rod and connected with the lead screw; the lead screw rotates, the nut drives the connecting rod to move on the lead screw, and the connecting rod slides in the sliding sleeve.
The horizontal sliding mechanism comprises a horizontal guide rail, a sliding seat and a sliding seat bearing, wherein the sliding seat is in sliding fit with the horizontal guide rail through the sliding seat bearing to realize horizontal position adjustment.
A cantilever assembly is arranged on the sliding seat through a connecting piece and comprises a main supporting rod, an auxiliary supporting rod, a vertical rod and a lifting cylinder; the main support rod is horizontally arranged and is hinged with the sliding seat through a connecting piece; the upright stanchion is vertically arranged and is arranged on the sliding seat; the lifting cylinder is obliquely arranged on the upright rod, and the free end of the lifting cylinder is connected with the main support rod; the auxiliary supporting rods are arranged on the main supporting rod in parallel, and the free ends of the auxiliary supporting rods are connected with a drilling mechanism.
The drilling mechanism comprises an operating frame, a connecting mechanism, a transmission seat, a drill motor, a linear guide rail pair assembly, a thick plate base and a bent frame plate;
the operating frame is horizontally arranged, and the upper surface of the operating frame is connected with the cantilever assembly through a connecting mechanism, so that multi-angle adjustment is realized;
the transmission seat is arranged on the side surface of the operating frame through a connecting piece; the drill motor and the transmission assembly are arranged on the transmission seat; the middle part of the other side surface of the transmission seat is provided with a linear guide rail pair assembly, the lower part of the transmission seat is provided with a drill bit, and the drill bit penetrates through the transmission seat to be connected with the transmission assembly; one end of the thick plate base is arranged on the transmission base;
one end of the bent frame plate is connected with a sliding block in the linear guide rail auxiliary assembly, the inner side of the other end of the bent frame plate is provided with a drilling main plate through a connecting piece, and the inner side surface of the drilling main plate is provided with a roller set; a clamping cylinder is arranged on the outer side surface of the drilling main plate; and the output end of the clamping cylinder is connected with the inner side surface of the other end of the thick plate base.
And three-point positioning of the helical blade is realized between the roller and the positioning pin.
Compared with the prior art, the drilling equipment disclosed by the utility model is mainly suitable for processing and manufacturing the mounting hole in the narrow space of the helical blade of the horizontal centrifuge, the drilling machine head is enabled to move along the helical blade all the time and to be vertical to the blade through the servo mechanism, the drilling position is accurately determined through the positioning mechanism of the drilling machine head, the drilling operation is easily completed with the help of the auxiliary cylinder, and the working efficiency is improved; the punching device is suitable for punching operations of spiral parts of different types and has wide application range.
Drawings
Fig. 1 is a side view of the overall structure of the present invention.
Fig. 2 is a front view of the overall structure of the present invention.
Fig. 3 is a schematic structural view of the lifting mechanism of the present invention.
FIG. 4 is a schematic structural view of the drilling mechanism of the present invention.
Fig. 5 is a schematic structural view of the horizontal sliding mechanism and the cantilever assembly of the present invention.
FIG. 6 is a schematic structural view of the curved frame plate and the main drilling plate according to the present invention (without thick plate stand).
FIG. 7 is a schematic view of the distribution of the rollers in the present invention.
In the figure: the drilling mechanism 1, the horizontal sliding mechanism 2, the lifting mechanism 3 and the machine base 4;
wherein the drilling mechanism includes: the drilling machine comprises an operation frame 1-1, a transmission seat 1-2, a connecting mechanism 1-3, a thick plate base 1-4, a bent frame plate 1-5, a drilling main plate 1-6, a roller 1-7, a clamping cylinder 1-8, a positioning pin 1-9, a drill bit 1-10, a sliding block 1-11, a linear guide rail 1-12 and a drill bit motor 1-13;
the horizontal sliding mechanism comprises a horizontal guide rail 2-1, a sliding seat bearing 2-2, a main support rod 2-3, a sliding seat 2-4, a lifting cylinder 2-5, an auxiliary support rod 2-6 and an upright rod 2-7;
the lifting mechanism comprises a driving assembly 3-1, a connecting shaft 3-2, a commutator 3-3, a coupler 3-4, a nut 3-5, a screw rod 3-6, a vertical frame 3-7, a sliding sleeve 3-8 and a connecting rod 3-9;
the machine base comprises a fixed machine base 4-1, a movable machine base 4-2, a guide rail 4-3, a support shaft 4-4 and a support bearing 4-5.
Detailed Description
The utility model is further illustrated with reference to the following figures and examples.
Referring to the attached drawings 1-7, the drilling device disclosed by the utility model is mainly suitable for machining and manufacturing the mounting hole in the narrow space of the spiral blade of the horizontal centrifuge, can accurately position the hole on the spiral blade and drill the hole, and can meet the machining requirements of spiral parts of various types.
The spiral blade drilling device comprises a drilling mechanism 1, a horizontal sliding mechanism 2, a lifting mechanism 3 and a machine base 4. The machine base is provided with a helical blade to be processed; a lifting mechanism is arranged behind the machine base to realize the up-and-down position adjustment of the drilling mechanism; the upper part of the lifting mechanism is provided with a horizontal sliding mechanism to realize the horizontal position adjustment of the drilling mechanism; the horizontal sliding mechanism is provided with a drilling mechanism, and the horizontal sliding mechanism is connected with the drilling mechanism through a cantilever assembly to realize the up-and-down swing and the multi-degree-of-freedom angle adjustment of the drilling mechanism; the working end of the drilling mechanism moves axially along the pitch line of the helical blade and is perpendicular to the blade, so that drilling is realized. The drilling machine head moves along with the blade pitch in the axial direction along with the spiral rotation, and the drilling machine head is positioned through the outer diameter of the spiral blade and the last machining hole, so that the drilling operation on the spiral blade is completed.
As a preferred embodiment, the machine base comprises a fixed machine base 4-1, a guide rail 4-3, a movable machine base 4-2, a supporting shaft 4-4 and a supporting bearing 4-5. A guide rail 4-3 is arranged between the fixed machine base 4-1 and the movable machine base 4-2, and the movable machine base 4-2 is connected and positioned with the guide rail through connecting pieces such as bolts and the like. Referring to fig. 2, the guide rail is in sliding fit with the movable machine base to adjust the length, and the guide rail and the movable machine base are positioned through connecting pieces such as bolts. The upper parts of the opposite surfaces of the fixed machine base and the movable machine base are respectively provided with a supporting shaft 4-4, the two supporting shafts 4-4 are symmetrically arranged, and the free ends of the supporting shafts 4-4 are provided with supporting bearings 4-5 for mounting helical blades. The movable base can be fixed by bolts after being moved to a proper position on the guide rail, so that the movable base can be used for spiral parts of different models, the support shaft and the support bearing are convenient for installation of spiral blades, shaft heads at two ends of each spiral blade are placed on the support bearing, effective support can be generated, and spiral rotation flexibility can be guaranteed.
As a preferred embodiment, the lifting mechanism comprises a driving assembly 3-1, a connecting shaft 3-2, a commutator 3-3, a coupling 3-4, a nut 3-5, a lead screw 3-6, a stand 3-7, a sliding sleeve 3-8 and a connecting rod 3-9. The two vertical frames 3-7 are arranged in parallel; a horizontal connecting shaft 3-2 is arranged between the lower parts of the two vertical frames, a driving component 3-1 is assembled on the connecting shaft 3-2, and the driving component drives the connecting shaft to rotate. Two shaft ends of the connecting shaft are respectively connected with a longitudinally arranged lead screw 3-6 through a commutator 3-3 for transmission, and the commutator converts the horizontal rotation of the connecting shaft into the vertical rotation of the lead screw. The vertical frame 3-7 is provided with a sliding sleeve 3-8, and the connecting rod 3-9 is sleeved inside the other end of the sliding sleeve 3-8 and is in sliding fit with the sliding sleeve. A nut 3-5 is fixedly arranged on the connecting rod 3-9, and the nut 3-5 is connected with the screw rod 3-6; the screw rod 3-6 rotates, the nut 3-5 drives the connecting rod 3-9 to move on the screw rod, the upper part of the connecting rod 3-9 slides in the sliding sleeve, and the sliding sleeve plays a guiding role. The free ends of the connecting rods 3-9 are connected with a horizontal guide rail in a horizontal sliding mechanism, and the vertical movement of the lifting mechanism realizes the height adjustment of the whole horizontal guide rail. Preferably, the output end of the commutator is connected with a screw rod 3-6 through a coupler 3-4, and the screw rod is sleeved with a nut 3-5 fixedly connected with a connecting rod 3-9. The distribution box of the driving assembly is provided with two buttons for ascending and descending, and is additionally provided with a travel switch, so that the parts can be prevented from being damaged due to excessive ascending and descending.
As a preferable technical scheme, the horizontal sliding mechanism comprises a horizontal guide rail 2-1, a sliding seat bearing 2-2, a main support rod 2-3, a sliding seat 2-4, a lifting cylinder 2-5, an auxiliary support rod 2-6 and an upright rod 2-7. The sliding seat 2-4 is in sliding fit with the horizontal guide rail 2-1 through a sliding seat bearing 2-2, the sliding seat guide rail adopts an optical axis structure, the sliding seat bearing is arranged on the sliding seat, and the sliding seat can move left and right on the guide rail to realize horizontal position adjustment. The upper surface of the sliding seat is provided with a cantilever assembly through a rotating connecting piece such as a pin shaft. The cantilever assembly comprises a main supporting rod 2-3, an auxiliary supporting rod 2-6, a vertical rod 2-7 and a lifting cylinder 2-5. The main support rod is horizontally arranged and is hinged with the sliding seat through connecting pieces such as a pin shaft and the like; the upright rods 2-7 are vertically arranged and are arranged on the sliding seats 2-4; the lifting cylinders 2-5 are obliquely arranged on the vertical rods, and the free ends of the lifting cylinders are connected with the main support rods; the auxiliary support rods are arranged on the main support rod in parallel, the free ends of the auxiliary support rods are connected with the drilling mechanism, and the main support rod is provided with a sliding seat.
Preferably, one end of the auxiliary support rod is provided with an auxiliary sliding seat, the auxiliary sliding seat is mounted on the main support rod and is in sliding fit with the main support rod, a carrier roller with a supporting function is arranged below the front end of the auxiliary support rod, the auxiliary support rod can linearly move on the main support rod along with the auxiliary sliding seat and vertically swing along the carrier roller under the action of the lifting cylinder, namely, the main support rod vertically swings under the action of the lifting cylinder 2-5, and the vertical swing of the drilling mechanism at the free end of the auxiliary support rod is realized.
Preferably, two lifting cylinders 2-5 are arranged side by side on the vertical rod and are connected with the main supporting rod. The connecting mechanism 1-3 can enable the drilling machine head to rotate in the left-right direction, and the drilling machine head can be lifted up in the up-down direction by driving the main support rod through the two lifting cylinders. The short-distance back and forth movement and rotation can be realized by the auxiliary supporting rod and the sliding seat. The movement of the drilling machine head in any direction is realized through the actions of the mechanisms.
As another preferred embodiment, the drilling mechanism comprises an operation frame 1-1, a transmission seat 1-2, a connecting mechanism 1-3, a thick plate base 1-4, a bent frame plate 1-5, a drilling main plate 1-6, rollers 1-7, clamping cylinders 1-8, positioning pins 1-9, a drill bit 1-10, sliding blocks 1-11, linear guide rails 1-12 and a drill bit motor 1-13.
The operation frame 1-1 is horizontally arranged, and is connected with the cantilever assembly through a connecting mechanism, so that multi-angle adjustment is realized.
The transmission seat 1-2 is arranged on the side surface of the operation frame 1-1 through connecting pieces such as bolts and the like; the drill motor and the transmission assembly are arranged on the transmission seat; the middle part of the other side surface of the transmission seat is provided with a linear guide rail pair component, the side surfaces of the linear guide rails 1-12 are fixedly connected with the inner side surface of the transmission seat through connecting pieces such as bolts, and the sliding blocks 1-11 are arranged on the linear guide rails and are in sliding fit. The lower part of the inner side of the transmission seat is provided with drill bits 1-10, the drill bits penetrate through the transmission seat and are connected with a transmission assembly, and the transmission assembly is a transmission combination of a triangular belt and a belt wheel, so that the drill bits are driven to rotate. One end of the thick plate base is connected with connecting pieces such as bolts and the like and is arranged on the transmission seat. The transmission seat, the thick plate base and the linear guide rail move under the driving of the cantilever assembly along with the operation frame.
One end of a bent frame plate 1-5 is connected with a slide block in the linear guide rail sub-assembly, the inner side of the other end of the bent frame plate is provided with a drilling main plate 1-6 through connecting pieces such as bolts, and the inner side surface of the drilling main plate is provided with roller groups, wherein each roller group comprises at least two rollers 1-7. The outer side surface of the drilling main plate is provided with clamping cylinders 1-8; the output end of the clamping cylinder is connected with the inner side surface of the other end of the thick plate base in a propping manner. The thick plate base is positioned at the outer sides of the bent frame plate and the drilling main plate and is fixedly connected with the transmission base. The bent frame plate and the drilling main plate do linear motion along with the linear guide rail pair.
When the clamping cylinder just starts to move, a first group of moving components consisting of the thick plate base, the transmission base, the linear guide rail sub-assembly and the operating frame are not moved, because the resistance of the linear guide rail is very small, when the clamping cylinder is propped against the thick plate base, the reverse force acts on the clamping cylinder, a second group of moving components consisting of the bent frame plate and the drilling main plate move leftwards along with the linear guide rail sub-assembly, when the drilling main plate touches a workpiece, the workpiece cannot move leftwards continuously because the position of the workpiece is not moved, and at the moment, the clamping cylinder can drive the first group of moving components consisting of the thick plate base to move rightwards integrally. The significance of the separate explanation of the actions of the air cylinders is that the first left movement is a clamping process, and the drilling main plate and the drill bit can be tightly attached to a workpiece; the second right shift is a bit feed motion.
During drilling, the roller is in contact with the outer circumference of the helical blade to realize radial positioning; three-point positioning of the helical blade is realized between the roller and the positioning pin. The fixing of the drilling machine head and the provision of the drilling feed force are realized by the clamping force between the clamping cylinder and the drill bit. The roller is used for positioning in the diameter direction, and the positioning pin is used for positioning in the circumferential direction. The roller and the positioning pin form a positioning mechanism to realize accurate positioning.
The lifting mechanism, the horizontal sliding mechanism and the connecting mechanism form a servo system of the equipment, so that the drilling machine head moves along the spiral line of the spiral blade and is perpendicular to the blade.
The drilling speed can be divided into two stages, and the first stage forms low-speed rotation for several seconds through a time relay and a frequency converter. And in the second stage, after the first-stage low-speed rotation is finished, the rotation speed is changed into a normal rotation speed. The adjustment of the rotating speed of the frequency converter and the adjustment of the time relay need to be carried out in the distribution box. The double-rotating-speed setting of the drill bit is suitable for drilling on uneven surfaces, the machining process is controlled, the drill bit is slowly rotated to position and cut holes, and main drilling operation is completed in a fast rotating mode.
Claims (9)
1. A helical blade drilling device is characterized by comprising a base, a lifting mechanism, a horizontal sliding mechanism and a drilling mechanism;
the machine base is provided with a helical blade to be processed;
a lifting mechanism is arranged behind the machine base to realize the up-and-down position adjustment of the drilling mechanism;
the upper part of the lifting mechanism is provided with a horizontal sliding mechanism to realize the horizontal position adjustment of the drilling mechanism;
the horizontal sliding mechanism is provided with a drilling mechanism, the horizontal sliding mechanism is connected with the drilling mechanism through a cantilever assembly to realize the up-and-down swing and the multi-degree-of-freedom angle adjustment of the drilling mechanism,
and the working end of the drilling mechanism axially moves along the pitch line of the helical blade and is perpendicular to the blade, so that drilling is realized.
2. The helical blade drilling apparatus of claim 1, wherein said housing comprises a stationary housing and a moving housing; and a guide rail is arranged between the fixed machine base and the movable machine base, and the movable machine base is connected and positioned with the guide rail through a connecting piece.
3. A spiral blade drilling apparatus according to claim 2, wherein a support shaft is provided at upper portions of the opposite surfaces of the fixed housing and the movable housing, respectively, and the two support shafts are symmetrically provided, and a support bearing for mounting the spiral blade is provided at a free end of the support shaft.
4. A helical blade drilling apparatus according to claim 1 wherein the lifting mechanism comprises stands arranged side by side; a horizontal connecting shaft is arranged between the lower parts of the two vertical frames, and a driving assembly is assembled on the connecting shaft; two shaft ends of the connecting shaft are respectively connected with a lead screw which is longitudinally arranged through a commutator for transmission; the lead screw is provided with a connecting rod, and the free end of the connecting rod is connected with a horizontal guide rail in the horizontal sliding mechanism.
5. The helical blade drilling device according to claim 4, wherein the stand is provided with a sliding sleeve, and the connecting rod is sleeved in the sliding sleeve and is in sliding fit with the sliding sleeve; a nut is fixedly arranged on the connecting rod and connected with the lead screw; the lead screw rotates, the nut drives the connecting rod to move on the lead screw, and the connecting rod slides in the sliding sleeve.
6. The spiral blade drilling device of claim 1, wherein the horizontal sliding mechanism comprises a horizontal guide rail, a sliding seat and a sliding seat bearing, and the sliding seat is in sliding fit with the horizontal guide rail through the sliding seat bearing to realize horizontal position adjustment.
7. The helical blade drilling device according to claim 6, wherein a cantilever assembly is mounted on the sliding seat through a connecting piece, and comprises a main supporting rod, an auxiliary supporting rod, a vertical rod and a lifting cylinder; the main support rod is horizontally arranged and is hinged with the sliding seat through a connecting piece; the upright stanchion is vertically arranged and is arranged on the sliding seat; the lifting cylinder is obliquely arranged on the upright rod, and the free end of the lifting cylinder is connected with the main support rod; the auxiliary supporting rods are arranged on the main supporting rod in parallel, and the free ends of the auxiliary supporting rods are connected with a drilling mechanism.
8. The helical blade drilling apparatus of claim 1, wherein the drilling mechanism comprises a handling frame, a connection mechanism, a drive mount, a drill motor, a linear guide track subassembly, a thick plate housing, and a bent frame plate;
the operating frame is horizontally arranged, and the upper surface of the operating frame is connected with the cantilever assembly through a connecting mechanism, so that multi-angle adjustment is realized;
the transmission seat is arranged on the side surface of the operating frame through a connecting piece; the drill motor and the transmission assembly are arranged on the transmission seat; the middle part of the other side surface of the transmission seat is provided with a linear guide rail pair assembly, the lower part of the transmission seat is provided with a drill bit, and the drill bit penetrates through the transmission seat to be connected with the transmission assembly; one end of the thick plate base is arranged on the transmission base;
one end of the bent frame plate is connected with a sliding block in the linear guide rail auxiliary assembly, the inner side of the other end of the bent frame plate is provided with a drilling main plate through a connecting piece, and the inner side surface of the drilling main plate is provided with a roller set; a clamping cylinder is arranged on the outer side surface of the drilling main plate; and the output end of the clamping cylinder is connected with the inner side surface of the other end of the thick plate base.
9. The helical blade drilling apparatus of claim 8, wherein a three-point location of the helical blade is achieved between the roller and the locating pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121683304.4U CN215698150U (en) | 2021-07-23 | 2021-07-23 | Helical blade drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121683304.4U CN215698150U (en) | 2021-07-23 | 2021-07-23 | Helical blade drilling device |
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| Publication Number | Publication Date |
|---|---|
| CN215698150U true CN215698150U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121683304.4U Active CN215698150U (en) | 2021-07-23 | 2021-07-23 | Helical blade drilling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369536A (en) * | 2021-07-23 | 2021-09-10 | 唐山森普矿山装备有限公司 | Helical blade drilling device |
| CN118023573A (en) * | 2024-04-10 | 2024-05-14 | 南通市威士真空设备有限公司 | Blade tip perforating device based on vacuum pump impeller |
-
2021
- 2021-07-23 CN CN202121683304.4U patent/CN215698150U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369536A (en) * | 2021-07-23 | 2021-09-10 | 唐山森普矿山装备有限公司 | Helical blade drilling device |
| CN118023573A (en) * | 2024-04-10 | 2024-05-14 | 南通市威士真空设备有限公司 | Blade tip perforating device based on vacuum pump impeller |
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