CN111151783A - Semi-automatic drilling machine - Google Patents
Semi-automatic drilling machine Download PDFInfo
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- CN111151783A CN111151783A CN202010082111.7A CN202010082111A CN111151783A CN 111151783 A CN111151783 A CN 111151783A CN 202010082111 A CN202010082111 A CN 202010082111A CN 111151783 A CN111151783 A CN 111151783A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
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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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
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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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a semi-automatic drilling machine which comprises a rack, a storage rack, a motor, a speed reducing mechanism, a clamping cam mechanism, a feed cam mechanism, a feeding cam mechanism and a push cam mechanism, wherein the storage rack is connected with the rack, and a feeding groove for placing a blank is formed in the storage rack; the motor is fixed on the frame; the speed reducing mechanism is connected with the output end of the motor; the clamping cam mechanism is connected with the speed reducing mechanism and is used for clamping the blank; the feed cam mechanism is connected with the speed reducing mechanism and is used for drilling holes on the blank; the feeding cam mechanism is connected with the speed reducing mechanism and is used for feeding the blank to the position below the feed cam mechanism; the pushing cam mechanism is connected with the speed reducing mechanism and used for pushing out the blank drilled with the hole. The semi-automatic drilling machine controls the movement of each cam mechanism by utilizing the intermittent movement rule of the cam, so that the use of programming is avoided, and the use difficulty of the semi-automatic drilling machine is reduced.
Description
Technical Field
The invention relates to the technical field of semi-automatic drilling machines, in particular to a semi-automatic drilling machine.
Background
Currently, in the field of semi-automatic drilling machines, which greatly improve the efficiency of drilling, but also bring new problems, semi-automatic drilling machines currently require the control of the movement between the various components by programming, which is rather scarce in the manufacturing industry, thus having to increase the costs for employing the programmer, which is certainly not worth the best effort. Therefore, there is a need for an improved semi-automatic drilling machine to reduce the difficulty of using the semi-automatic drilling machine.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a semi-automatic drilling machine to solve the technical problem that the existing semi-automatic drilling machine is high in use difficulty.
One embodiment of the present invention provides a semi-automatic drilling machine, including:
a frame;
the storage rack is connected with the rack and provided with a feeding groove for placing blanks;
the motor is fixed on the frame;
the speed reducing mechanism is connected with the output end of the motor;
the clamping cam mechanism is connected with the speed reducing mechanism and is used for clamping the blank;
the feed cam mechanism is connected with the speed reducing mechanism and is used for drilling holes on the blank;
the feeding cam mechanism is connected with the speed reducing mechanism and is used for feeding the blank to the position below the feeding cam mechanism; and
and the pushing cam mechanism is connected with the speed reducing mechanism and used for pushing the blank drilled with the hole out.
Optionally, the speed reducing mechanism comprises a first belt pulley, a second belt pulley, a speed reducing planetary gear train and a speed reducing fixed-axis gear train, the first belt pulley is connected with the output end of the motor, the second belt pulley is connected with the first belt pulley through a belt, the diameter of the second belt pulley is larger than that of the first belt pulley, the speed reducing planetary gear train is connected with the second belt pulley, the speed reducing fixed-axis gear train is connected with the speed reducing planetary gear train, and the speed reducing fixed-axis gear train is used for outputting power.
Optionally, the clamping cam mechanism comprises a guide part, a clamping cam, a first clamping rod, a second clamping rod and a clamping assembly, the guide part is connected with the rack, the clamping cam is connected with the speed reducing mechanism, the clamping cam is provided with a curved groove, one end of the first clamping rod is inserted into the curved groove of the clamping cam, the opposite end of the first clamping rod is hinged with the second clamping rod, the second clamping rod is of a U-shaped structure, the second clamping rod penetrates through the guide part, and the two U-shaped ends of the second clamping rod are respectively provided with the clamping assembly; wherein, press from both sides tight cam and drive the motion of first clamp rod, first clamp rod drives the motion of second clamp rod under the direction of guide, and the second clamp rod drives and presss from both sides tight subassembly and press from both sides and establish the blank.
Optionally, the clamping assembly includes a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod which are hinged to each other to form a four-bar linkage, the first connecting rod is hinged to the second clamping rod, the third connecting rod is connected to the frame, and the fourth connecting rod is used for moving towards the blank under the driving of the first connecting rod to clamp the blank.
Optionally, the feed cam mechanism includes a feed cam, a first follower, a return spring, a second follower, a third follower, a first feed gear, a second feed gear, a feed rack, and a drilling machine, the feed cam is connected to the reduction mechanism, the first follower abuts against the feed cam, the return spring is connected to the first follower and the rack, respectively, so that the first follower continuously abuts against the feed cam, one end of the second follower is connected to the first follower through a ball pair, an opposite end of the second follower is hinged to the third follower, the second follower and the third follower are hinged to the rack, respectively, the first feed gear is connected to the third follower, the second feed gear is hinged to the rack and engaged with the first feed gear, the feed rack is slidably connected to the rack and engaged with the second feed gear, and the drilling machine is connected to the feed rack.
Optionally, the feeding cam mechanism comprises a feeding cam, a feeding rod and a first feeding block, the feeding cam is connected with the speed reducing mechanism, the feeding cam is provided with a curved groove, one end of the feeding rod is inserted into the curved groove of the feeding cam, the opposite end of the feeding rod is hinged to the first feeding block, the first feeding block is matched with the feeding groove in a sliding mode, and the first feeding block is used for feeding the blank to the position below the feeding cam mechanism.
Optionally, the feeding cam mechanism further comprises a feeding spring, the storage rack is provided with a storage groove for storing a plurality of blanks, the storage groove is communicated with the feeding groove, and the feeding spring is arranged at the bottom end of the storage groove; wherein, the pay-off spring is in deformation state under the compression of a plurality of blanks to push a plurality of blanks in proper order to the chute feeder.
Optionally, the semi-automatic drilling machine further comprises a positioning cam mechanism for adjusting the drilling position of the blank;
the positioning cam mechanism comprises a positioning cam, a first positioning rod, a second positioning rod, a third positioning rod and a baffle plate, the positioning cam is connected with the speed reducing mechanism, the first positioning rod is connected with the rack in a sliding mode, the second positioning rod is hinged to the first positioning rod, one end of the second positioning rod is abutted to the positioning cam, the opposite end of the second positioning rod is hinged to the third positioning rod, the third positioning rod is hinged to the baffle plate, the baffle plate is inserted into the feeding groove, and the baffle plate is used for stopping a blank to adjust the position of the blank in the feeding groove;
the feeding cam mechanism further comprises a second feeding block and a buffer spring, the two opposite ends of the buffer spring are respectively connected with the first feeding block and the second feeding block, and the second feeding block is used for feeding the blank to the position below the feeding cam mechanism.
Optionally, the ejecting cam mechanism comprises an ejecting cam, a first push rod, a first push gear, a second push gear, a first push rack, a second push rack, a first push plate, a second push plate and a second push rod, the ejecting cam is connected with the speed reducing mechanism, the ejecting cam is provided with a curved groove, the first push rod is inserted into the curved groove of the ejecting cam, the first push gear is connected with the first push rod, the second push gear is connected with the first push gear, the first push rack is connected with the rack, the first push plate is connected with the storage rack, the first push plate is provided with a U-shaped groove, the second push rack is slidably connected with the first push plate, the second push plate is connected with the second push rack, the second push plate is provided with a V-shaped groove, the first push gear is engaged with the first push rack, the second push gear is engaged with the second push rack, the second push rod is connected with the second push gear, and the V-shaped groove and the U-shaped groove are penetrated, the second push rod is used for pushing out the blank with the drilled hole.
Optionally, the semi-automatic drilling machine further comprises a stepless speed change mechanism connected with the speed reduction mechanism to adjust the output speed of the speed reduction mechanism; the stepless speed change mechanism comprises a coupler, a trapezoid sleeve, a rotary table, a power output shaft, an adjusting shaft and a connecting piece, the coupler is connected with the speed reduction mechanism, the trapezoid sleeve is connected with the coupler, the rotary table is connected with the power output shaft and abutted to the trapezoid sleeve to drive the power output shaft to rotate, and the connecting piece is in threaded connection with the adjusting shaft and connected with the rotary table to adjust the position of the rotary table on the power output shaft.
The invention has the beneficial effects that:
the semi-automatic drilling machine is used for drilling holes in blanks and comprises a rack, a storage rack, a motor, a speed reducing mechanism, a clamping cam mechanism, a feed cam mechanism, a feeding cam mechanism and a push cam mechanism. The frame is a basic framework of the semi-automatic drilling machine and is used for integrating all parts. The storage rack is connected with the rack, and the storage rack is provided with a feeding groove for placing blanks. The motor is fixed on the frame, and the motor is the power source of semi-automatic drilling machine, and the motor can be servo motor or step motor etc.. The speed reducing mechanism is connected with the output end of the motor and used for reducing the output rotating speed and improving the output torque. The clamping cam mechanism is connected with the speed reducing mechanism and used for clamping the blank under the driving of the speed reducing mechanism, so that the blank is prevented from moving in the drilling process. The feed cam mechanism is connected with the speed reducing mechanism and is used for drilling holes on the blank under the driving of the speed reducing mechanism. The feeding cam mechanism is connected with the speed reducing mechanism and used for feeding the blank to the position below the feeding cam mechanism under the driving of the speed reducing mechanism. The pushing cam mechanism is connected with the speed reducing mechanism and used for pushing out the blank drilled with the hole under the driving of the speed reducing mechanism so as to continue to tap and drill the next blank. The method comprises the following specific steps of 1: the motor is started, and the speed reducing mechanism starts to rotate; 2: the feeding cam mechanism feeds the blank to the position below the feed cam mechanism along the feeding groove; 3: the clamping cam mechanism moves towards the blank under the feed cam mechanism and clamps the blank; 4: drilling a hole on the blank by the feed cam mechanism, and resetting and separating the blank; 5: the clamping cam mechanism is separated from the blank, and the pushing cam mechanism pushes the blank drilled with the hole out to the collecting frame. And (5) repeating the steps 2 to 5, thereby continuously completing the work of drilling a plurality of blanks. In the embodiment, a motor is used as a power source, and the curved surfaces or curved groove tracks of the cams in the clamping cam mechanism, the feed cam mechanism, the feeding cam mechanism and the push cam mechanism are designed, so that the clamping cam mechanism, the feed cam mechanism, the feeding cam mechanism and the push cam mechanism are controlled to move according to the requirements of the steps 2 to 5 by utilizing the rule of the intermittent motion of the cams, and the purpose of drilling is achieved. Compared with a numerical control semi-automatic drilling machine, the programming trouble can be reduced, and the use difficulty of the semi-automatic drilling machine is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present 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, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a semi-automatic drilling machine according to the present invention;
FIG. 2 is an enlarged partial schematic view of area A of FIG. 1;
FIG. 3 is an enlarged partial schematic view of region B of FIG. 1;
FIG. 4 is a schematic structural view of another embodiment of a semi-automatic drilling machine according to the present invention;
fig. 5 is a partially enlarged schematic view of the region C in fig. 4.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
It is to be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the generic and descriptive sense only and not for purposes of limitation, as the term is used in the generic and descriptive sense, and not for purposes of limitation, unless otherwise specified or implied, and the specific reference to a device or element is intended to be a reference to a particular element, structure, or component. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a semi-automatic drilling machine 100 according to an embodiment of the present invention.
The semi-automatic drilling machine 100 of the invention is used for drilling holes on blanks, and the semi-automatic drilling machine 100 comprises a frame 12, a storage rack 14, a motor 16, a speed reducing mechanism 20, a clamping cam mechanism 30, a feed cam mechanism 40, a feeding cam mechanism 50 and a push cam mechanism 60.
The storage rack 14 is connected with the machine frame 12, and the storage rack 14 is provided with a feeding groove for placing blanks. Of course, the storage shelf 14 may be present as a separate component that is not connected to the frame 12.
Motor 16 is fixed to frame 12, motor 16 is the power source of semi-automatic drilling machine 100, and motor 16 may be a servo motor or a stepping motor.
The speed reducing mechanism 20 is connected to the output end of the motor 16, and is used for reducing the output rotation speed and increasing the output torque.
The clamping cam mechanism 30 is connected with the speed reducing mechanism 20 and is used for clamping the blank under the driving of the speed reducing mechanism 20 so as to prevent the blank from moving in the drilling process.
The feed cam mechanism 40 is connected with the speed reducing mechanism 20 and is used for drilling holes on the blank under the driving of the speed reducing mechanism 20.
The feeding cam mechanism 50 is connected with the speed reducing mechanism 20 and is used for feeding the blank to the position below the feeding cam mechanism 40 under the driving of the speed reducing mechanism 20.
The pushing cam mechanism 60 is connected with the speed reducing mechanism 20 and used for pushing out the blank with the drilled hole under the driving of the speed reducing mechanism 20 so as to continue to drill the next blank.
Note that, in the above-described embodiment, the clamping cam mechanism 30, the feed cam mechanism 40, the feed cam mechanism 50, and the push cam mechanism 60 are connected to the reduction mechanism 20, respectively. The connection referred to herein may be a direct connection or an indirect connection, for example, the feeding cam mechanism 50 may also be connected to the speed reducing mechanism 20 through the feeding cam mechanism 40, which is not described in detail herein.
In order to make the technical solution of the present embodiment further recognizable to those skilled in the art, the following description will be made in terms of a specific implementation process, but the technical solution of the present application is not limited to any technical limitations.
1: the motor 16 is started, and the speed reducing mechanism 20 starts to rotate; 2: the feeding cam mechanism 50 feeds the blank to the position below the feed cam mechanism 40 along the feeding groove; 3: the clamping cam mechanism 30 moves towards the blank under the feed cam mechanism 40 and clamps the blank; 4: the feed cam mechanism 40 drills holes on the blank and resets to be separated from the blank; 5: the clamping cam mechanism 30 is separated from the blank and the ejection cam mechanism 60 ejects the blank after drilling to the collection rack. And (5) repeating the steps 2 to 5, thereby continuously completing the work of drilling a plurality of blanks.
In the embodiment, a motor 16 is used as a power source, and the curved surfaces or curved grooves of the cams in the clamping cam mechanism 30, the feed cam mechanism 40, the feeding cam mechanism 50 and the push cam mechanism 60 are designed, so that the clamping cam mechanism 30, the feed cam mechanism 40, the feeding cam mechanism 50 and the push cam mechanism 60 are controlled to move according to the requirements of the steps 2 to 5 respectively by utilizing the rule of cam intermittent motion, and the purpose of drilling is achieved. Compared with the numerical control semi-automatic drilling machine 100, the programming trouble can be reduced, and the use difficulty of the semi-automatic drilling machine 100 is reduced.
Specifically, the speed reducing mechanism 20 includes a first belt pulley 21, a second belt pulley 22, a speed reducing planetary gear train 23 and a speed reducing gear train 24, the first belt pulley 21 is connected with the output end of the motor 16, the second belt pulley 22 is connected with the first belt pulley 21 through a belt, and the diameter of the second belt pulley 22 is larger than that of the first belt pulley 21, so as to achieve the purpose of one-stage speed reduction. Of course, in another embodiment, the chain and the chain wheel can be matched with each other. The speed reduction planetary gear train 23 is connected with the second belt pulley 22, so that the purpose of two-stage speed reduction is achieved, and the number of gears in the speed reduction planetary gear train 23 is not limited herein. The speed reducing gear train 24 is connected with the speed reducing planetary gear train 23, so that the purpose of three-level speed reduction is achieved, the speed reducing gear train 24 is used for outputting power, and the number of gears in the speed reducing gear train 24 is not limited. In the present embodiment, the reduction mechanism 20 employs a compound gear train of a planetary gear train and a fixed gear train, and can realize a larger reduction ratio in a smaller space.
Referring to fig. 1 and 2, fig. 2 is a partially enlarged view of a region a in fig. 1.
The semiautomatic drilling machine 100 further includes a continuously variable transmission mechanism 80 connected to the reduction mechanism 20 to adjust the output speed of the reduction mechanism 20, thereby flexibly controlling the output speed.
The stepless speed change mechanism 80 comprises a coupler 81, a trapezoid sleeve 82, a rotary disc 83, a power output shaft 84, an adjusting shaft 85 and a connecting piece 86, the coupler 81 is connected with the speed reduction mechanism 20, the trapezoid sleeve 82 is connected with the coupler 81, the diameter of the trapezoid sleeve 82 gradually shrinks in the direction away from the coupler 81, the rotary disc 83 is connected with the power output shaft 84 and abuts against the trapezoid sleeve 82, the trapezoid sleeve 82 drives the rotary disc 83 to rotate through friction force, so that the rotary disc 83 drives the power output shaft 84 to rotate, and the power output shaft 84 is used for outputting power for mechanisms such as the clamping cam mechanism 30, the feeding cam mechanism 40, the feeding cam mechanism 50 and the pushing cam mechanism 60. The connecting piece 86 is in threaded connection with the adjusting shaft 85 and is connected with the rotating disc 83, and the connecting piece 86 can move relative to the adjusting shaft 85, so that the position of the rotating disc 83 on the power output shaft 84 is adjusted, the rotating disc 83 is in contact with positions with different diameters of the trapezoid sleeve 82, and the speed regulation purpose is achieved. Of course, the stepped sleeve 82 could be replaced by a plurality of gears of progressively decreasing diameter for speed adjustment purposes.
Referring to fig. 1 and 3, fig. 3 is a partially enlarged view of a region B in fig. 1.
The push-out cam mechanism 60 includes a push-out cam 61, a first push rod 62, a first push gear 63, a second push gear 64, a first push rack 65, a second push rack 66, a first push plate 67, a second push plate 68, and a second push rod 69. The pushing cam 61 is connected with the speed reducing mechanism 20, the pushing cam 61 is provided with a curved groove, the first pushing rod 62 is inserted into the curved groove of the pushing cam 61, the first pushing gear 63 is connected with the first pushing rod 62, the second pushing gear 64 is connected with the first pushing gear 63, the first pushing rack 65 is connected with the rack 12, the first pushing plate 67 is connected with the storage rack 14, the first pushing plate 67 is provided with a U-shaped groove, the second pushing rack 66 is slidably connected with the first pushing plate 67, the second pushing plate 68 is connected with the second pushing rack 66, the second pushing plate 68 is provided with a V-shaped groove, the first pushing gear 63 is engaged with the first pushing rack 65, the second pushing gear 64 is engaged with the second pushing rack 66, the second pushing rod 69 is connected with the second pushing gear 64 and penetrates through the V-shaped groove and the U-shaped groove, and the second pushing rod 69 is used for pushing out the blank after drilling.
In order to make the technical solution of the present embodiment further recognizable to those skilled in the art, the following description will be made in terms of a specific implementation process, but the technical solution of the present application is not limited to any technical limitations.
The push-out cam 61 drives the first push rod 62 to move, the first push rod 62 drives the first push gear 63 and the second push gear 64 to move respectively, the first push gear 63 and the first push rack 65 are in meshed movement, the guide effect is achieved, the second push gear 64 and the second push rack 66 are in meshed movement, the second push rack 66 drives the second push plate 68 to move, the second push rod 69 is lifted from the bottom of the V-shaped groove under the action of the second push plate 68 to drill blanks of holes with butt, and the second push rod 69 continues to move in the U-shaped groove to push out the blanks of the drilled holes.
The diameter of the first push gear 63 is smaller than that of the second push gear 64, thereby advancing the second push rack 66 at double speed with respect to the first push rack 65.
Referring to fig. 4 and 5, fig. 4 is a schematic structural view of another embodiment of a semi-automatic drilling machine 100 according to the present invention, and fig. 5 is an enlarged view of a portion of a region C in fig. 4.
The clamping cam mechanism 30 comprises a guide piece 31, a clamping cam 32, a first clamping rod 33, a second clamping rod 34 and a clamping assembly 35, the guide piece 31 is connected with the rack 12, the clamping cam 32 is connected with the speed reducing mechanism 20, the clamping cam 32 is provided with a curved groove, one end of the first clamping rod 33 is inserted into the curved groove of the clamping cam 32, the opposite end of the first clamping rod 33 is hinged with the second clamping rod 34, the second clamping rod 34 is in a U-shaped structure, the second clamping rod 34 penetrates through the guide piece 31, and the U-shaped two ends of the second clamping rod 34 are respectively provided with the clamping assembly 35; the clamping cam 32 drives the first clamping rod 33 to move, the first clamping rod 33 drives the second clamping rod 34 to move under the guidance of the guide piece 31, and the second clamping rod 34 drives the clamping assembly 35 to move towards the blank so as to clamp the blank.
The clamping assembly 35 comprises a first connecting rod 36, a second connecting rod 37, a third connecting rod 38 and a fourth connecting rod 39 which are hinged to each other to form a four-bar linkage, the first connecting rod 36 is hinged to the second clamping rod 34, the third connecting rod 38 is connected to the frame 12, and the fourth connecting rod 39 is driven by the first connecting rod 36 to move towards the blank to clamp the blank.
With continued reference to fig. 1, the feeding cam mechanism 40 includes a feeding cam 41, a first follower 42, a return spring 43, a second follower 44, a third follower 45, a first feeding gear 46, a second feeding gear 47, a feeding rack 48 and a drilling machine 49, the feeding cam 41 is connected to the speed reducing mechanism 20, the first follower 42 abuts against the feeding cam 41, the return spring 43 is respectively connected to the first follower 42 and the frame 12, so that the first follower 42 continuously abuts against the feeding cam 41, one end of the second follower 44 is connected to the first follower 42 through a ball pair, the opposite end of the second follower 44 is hinged to the third follower 45, the second follower 44 and the third follower 45 are respectively hinged to the frame 12, the first feeding gear 46 is connected to the third follower 45, the second feeding gear 47 is hinged to the frame 12 and engaged with the first feeding gear 46, the feeding rack 48 is slidably connected to the frame 12, and is engaged with a second feed gear 47, and a drilling machine 49 is connected with a feed rack 48.
In order to make the technical solution of the present embodiment further recognizable to those skilled in the art, the following description will be made in terms of a specific implementation process, but the technical solution of the present application is not limited to any technical limitations.
The feeding cam 41 drives the first driven part 42 to move, the first driven part 42 drives the second driven part 44 to rotate, the second driven part 44 drives the third driven part 45 to rotate, the third driven part 45 drives the first feeding gear 46 to move, the first feeding gear 46 and the second feeding gear 47 are meshed to move, the second feeding gear 47 and the feeding rack 48 are meshed to move, and the feeding rack 48 drives the drilling machine 49 to move towards a blank, so that the purpose of drilling is achieved.
With reference to fig. 4, the feeding cam mechanism 50 includes a feeding cam 51, a feeding rod 52 and a first feeding block 53, the feeding cam 51 is connected to the speed reducing mechanism 20, the feeding cam 51 is provided with a curved groove, one end of the feeding rod 52 is inserted into the curved groove of the feeding cam 51, the opposite end of the feeding rod 52 is hinged to the first feeding block 53, the first feeding block 53 is in sliding fit with the feeding groove, and the first feeding block 53 is used for feeding the blank to below the feeding cam mechanism 40.
The feeding cam mechanism 50 further comprises a feeding spring 54, the storage rack 14 is provided with a storage groove used for storing a plurality of blanks, the storage groove is communicated with the feeding groove, and the feeding spring 54 is arranged at the bottom end of the storage groove; wherein, pay-off spring 54 is in deformation state under the compression of a plurality of blanks, and pay-off spring 54 pushes a plurality of blanks in proper order to the chute feeder in the in-process that resumes deformation to realize autoloading, banned artifical pay-off, use manpower sparingly.
With continued reference to fig. 4 and 5, the semi-automatic drill press 100 further includes a positioning cam mechanism 70 for adjusting the drilling position of the blank. In order to increase the application range of the semiautomatic drilling machine 100, a positioning cam mechanism 70 is added to the semiautomatic drilling machine 100.
The positioning cam mechanism 70 comprises a positioning cam 71, a first positioning rod 72, a second positioning rod 73, a third positioning rod 74 and a baffle plate 75, the positioning cam 71 is connected with the speed reducing mechanism 20, the first positioning rod 72 is slidably connected with the rack 12, the second positioning rod 73 is hinged to the first positioning rod 72, one end of the second positioning rod 73 is abutted to the positioning cam 71, the opposite end of the second positioning rod 73 is hinged to the third positioning rod 74, the third positioning rod 74 is hinged to the baffle plate 75, the baffle plate 75 is inserted into the feed chute, and the baffle plate 75 is used for stopping the blank to adjust the position of the blank in the feed chute, so that the drilling position of the blank is adjusted.
The feeding cam mechanism 50 further comprises a second feeding block 55 and a buffer spring 56, wherein two opposite ends of the buffer spring 56 are respectively connected with the first feeding block 53 and the second feeding block 55, and the second feeding block 55 is used for feeding the blanks to the position below the feeding cam mechanism 40. The buffer spring 56 is used for adjusting the distance between the first feeding block 53 and the second feeding block 55, and after the positioning cam mechanism 70 adjusts the position of the blank, the deformation amount of the buffer spring 56 changes accordingly, so that the second feeding block 55 can continuously push the blank to the position below the feed cam mechanism 40.
The following table is a table of the above-described components that cooperate to complete the drilling process.
The device adopts a plurality of cam mechanisms, the intermittent motion of the cam mechanisms is set according to the working sequence of the mechanisms, the sequential motion of the mechanisms can be realized, compared with a numerical control semi-automatic drilling machine, the trouble of programming can be reduced, and the operation is simpler.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. It should be noted that there are no specific structures but a few objective structures due to the limited character expressions, and that those skilled in the art may make various improvements, decorations or changes without departing from the principle of the invention or may combine the above technical features in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (10)
1. A semi-automatic drilling machine, characterized in that it comprises:
a frame;
the storage rack is connected with the rack and provided with a feeding groove for placing blanks;
the motor is fixed on the frame;
the speed reducing mechanism is connected with the output end of the motor;
the clamping cam mechanism is connected with the speed reducing mechanism and is used for clamping the blank;
the feed cam mechanism is connected with the speed reducing mechanism and is used for drilling holes on the blank;
the feeding cam mechanism is connected with the speed reducing mechanism and is used for feeding the blank to the position below the feed cam mechanism; and
and the pushing cam mechanism is connected with the speed reducing mechanism and used for pushing the blank drilled with the hole out.
2. The semiautomatic drilling machine according to claim 1, wherein the speed reducing mechanism comprises a first belt pulley, a second belt pulley, a speed reducing planetary gear train and a speed reducing fixed-axle gear train, the first belt pulley is connected with the output end of the motor, the second belt pulley is connected with the first belt pulley through a belt, the diameter of the second belt pulley is larger than that of the first belt pulley, the speed reducing planetary gear train is connected with the second belt pulley, the speed reducing fixed-axle gear train is connected with the speed reducing planetary gear train, and the speed reducing fixed-axle gear train is used for outputting power.
3. The semi-automatic drilling machine according to claim 1, wherein the clamping cam mechanism comprises a guide, a clamping cam, a first clamping rod, a second clamping rod and a clamping assembly, the guide is connected with the frame, the clamping cam is connected with the speed reducing mechanism, the clamping cam is provided with a curved groove, one end of the first clamping rod is inserted into the curved groove of the clamping cam, the opposite end of the first clamping rod is hinged with the second clamping rod, the second clamping rod is of a U-shaped structure, the second clamping rod penetrates through the guide, and the clamping assemblies are respectively arranged at the two U-shaped ends of the second clamping rod; the clamping cam drives the first clamping rod to move, the first clamping rod drives the second clamping rod to move under the guidance of the guide piece, and the second clamping rod drives the clamping assembly to clamp the blank.
4. The semi-automatic drilling machine according to claim 3, wherein the clamping assembly comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod which are hinged to each other to form a four-bar linkage, the first connecting rod is hinged to the second clamping rod, the third connecting rod is connected with the frame, and the fourth connecting rod is driven by the first connecting rod to move towards the blank to clamp the blank.
5. The semi-automatic drilling machine according to claim 1, wherein the feed cam mechanism comprises a feed cam, a first follower, a return spring, a second follower, a third follower, a first feed gear, a second feed gear, a feed rack and a drilling machine, the feed cam is connected with the speed reduction mechanism, the first follower abuts against the feed cam, the return spring is respectively connected with the first follower and the machine frame so that the first follower is continuously abutted against the feed cam, one end of the second follower is connected with the first follower through a ball pair, the opposite end of the second follower is hinged with the third follower, the second follower and the third follower are respectively hinged with the machine frame, the first feed gear is connected with the third follower, the second feed gear is hinged with the machine frame and is meshed with the first feed gear, the feed rack is connected with the rack in a sliding mode and meshed with the second feed gear, and the drilling machine is connected with the feed rack.
6. The semiautomatic drilling machine according to claim 1, wherein the feeding cam mechanism comprises a feeding cam, a feeding rod and a first feeding block, the feeding cam is connected with the speed reducing mechanism, the feeding cam is provided with a curved groove, one end of the feeding rod is inserted into the curved groove of the feeding cam, the opposite end of the feeding rod is hinged with the first feeding block, the first feeding block is matched with the feeding groove in a sliding mode, and the first feeding block is used for feeding blanks to the position below the feed cam mechanism.
7. The semiautomatic drilling machine according to claim 6, wherein the feeding cam mechanism further comprises a feeding spring, the storage rack is provided with a storage groove for storing a plurality of blanks, the storage groove is communicated with the feeding groove, and the feeding spring is arranged at the bottom end of the storage groove; wherein, the pay-off spring is in deformation state under the compression of a plurality of blanks to push a plurality of blanks in proper order to in the chute feeder.
8. The semi-automatic drilling machine of claim 6, further comprising a positioning cam mechanism for adjusting a drilling position of the blank;
the positioning cam mechanism comprises a positioning cam, a first positioning rod, a second positioning rod, a third positioning rod and a baffle plate, the positioning cam is connected with the speed reducing mechanism, the first positioning rod is connected with the rack in a sliding mode, the second positioning rod is hinged to the first positioning rod, one end of the second positioning rod is abutted to the positioning cam, the opposite end of the second positioning rod is hinged to the third positioning rod, the third positioning rod is hinged to the baffle plate, the baffle plate is inserted into the feeding groove, and the baffle plate is used for stopping a blank so as to adjust the position of the blank in the feeding groove;
the feeding cam mechanism further comprises a second feeding block and a buffer spring, two opposite ends of the buffer spring are respectively connected with the first feeding block and the second feeding block, and the second feeding block is used for feeding the blank to the position below the feeding cam mechanism.
9. The semiautomatic drilling machine according to claim 1, wherein the ejecting cam mechanism comprises an ejecting cam, a first push rod, a first pushing gear, a second pushing gear, a first pushing rack, a second pushing rack, a first push plate, a second push plate and a second push rod, the ejecting cam is connected with the speed reducing mechanism, the ejecting cam is provided with a curved groove, the first push rod is inserted into the curved groove of the ejecting cam, the first pushing gear is connected with the first push rod, the second pushing gear is connected with the first pushing gear, the first pushing rack is connected with the frame, the first push plate is connected with the storage rack, the first push plate is provided with a U-shaped groove, the second push plate is slidably connected with the first push plate, the second push plate is connected with the second pushing rack, and the second push plate is provided with a V-shaped groove, first propelling movement gear with first propelling movement rack toothing, second propelling movement gear with second propelling movement rack toothing, the second push rod with second propelling movement gear connection, and wear to establish V type groove with U type groove, the second push rod is used for pushing out the blank that has bored the hole.
10. The semi-automatic drilling machine of claim 1, further comprising a continuously variable transmission mechanism coupled to the reduction mechanism to adjust an output speed of the reduction mechanism; stepless speed change mechanism includes shaft coupling, trapezoidal sleeve, carousel, power output shaft, regulating spindle and connecting piece, the shaft coupling with reduction gears connects, trapezoidal sleeve with the coupling joint, the carousel with power output shaft connects and butt trapezoidal sleeve, in order to drive power output shaft rotates, the connecting piece with regulating spindle threaded connection, and with the carousel is connected, in order to adjust the carousel is in power output shaft is last position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010082111.7A CN111151783A (en) | 2020-02-06 | 2020-02-06 | Semi-automatic drilling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010082111.7A CN111151783A (en) | 2020-02-06 | 2020-02-06 | Semi-automatic drilling machine |
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|---|---|---|---|---|
| CA1288683C (en) * | 1987-12-04 | 1991-09-10 | Joseph P. Gentile | Slide block feed apparatus for a press utilizing an oscillating cam |
| JPH07314227A (en) * | 1994-05-27 | 1995-12-05 | Hitachi Koki Haramachi:Kk | Automatic feed releasing device for main spindle of drilling machine |
| CN105303958A (en) * | 2015-11-30 | 2016-02-03 | 浙江亚龙教育装备股份有限公司 | Multi-station semi-automatic drilling machine |
| CN105750985A (en) * | 2016-05-13 | 2016-07-13 | 河海大学常州校区 | Semi-automatic drilling machine |
| CN107716986A (en) * | 2017-11-07 | 2018-02-23 | 河海大学常州校区 | A kind of semi-automatic drilling machine |
| CN211516126U (en) * | 2020-02-06 | 2020-09-18 | 张森皓 | Semi-automatic drilling machine |
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2020
- 2020-02-06 CN CN202010082111.7A patent/CN111151783A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1288683C (en) * | 1987-12-04 | 1991-09-10 | Joseph P. Gentile | Slide block feed apparatus for a press utilizing an oscillating cam |
| JPH07314227A (en) * | 1994-05-27 | 1995-12-05 | Hitachi Koki Haramachi:Kk | Automatic feed releasing device for main spindle of drilling machine |
| CN105303958A (en) * | 2015-11-30 | 2016-02-03 | 浙江亚龙教育装备股份有限公司 | Multi-station semi-automatic drilling machine |
| CN105750985A (en) * | 2016-05-13 | 2016-07-13 | 河海大学常州校区 | Semi-automatic drilling machine |
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