CN112935902A

CN112935902A - Automatic feeding mechanism of drilling machine for drilling center hole of shaft material

Info

Publication number: CN112935902A
Application number: CN202110269923.7A
Authority: CN
Inventors: 胡君分
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-06-11

Abstract

The invention aims to provide an automatic feeding mechanism of a drilling machine for drilling a central hole in shaft materials. The device comprises a guide plate, a bottom plate, a sliding table cylinder I, a feeding cylinder, a feeding plate, a material clamping mechanism and a rack; the guide plate is fixedly connected to the rack, and a notch, a through hole and a first inclined plane are formed in the guide plate; the first sliding table cylinder is fixedly connected to the rack; the bottom plate is fixedly connected to a movable sliding table of the sliding table cylinder I; the feeding cylinder is fixedly connected to the frame, and a moving rod of the feeding cylinder is fixedly connected with the feeding plate; the feeding plate is arranged on the rack and forms a moving pair with the rack, and a second inclined surface is arranged on the feeding plate; the invention provides an automatic feeding mechanism of a drilling machine for drilling a central hole of a shaft material, which improves the automation degree of the drilling machine.

Description

Automatic feeding mechanism of drilling machine for drilling center hole of shaft material

Technical Field

The invention relates to a feeding mechanism, in particular to an automatic feeding mechanism of a drilling machine for drilling a central hole by using shaft materials.

Background

The rotating shaft is a common part in the motor and the water pump, and needs the working procedures of turning, grinding and the like, the shaft material needs to be drilled with a central hole before turning, a flat head machine is adopted to perform flat head and central hole drilling on the shaft material in some processing factories with larger scale, and small-scale processing factories generally adopt a common drilling machine 3 to drill the central hole due to higher price of the flat head machine, but the labor intensity is high. ZL2020103420344 a drilling machine for axle material bores centre bore carries out simple and low-cost transformation to this ordinary drilling machine 3 and reaches the effect that reduces the labour, announces as follows: as shown in fig. 1 to 3, the device comprises a U-shaped plate 1, a reversing mechanism 2, a common drilling machine 3, a rotating handle mechanism 4, a pneumatic chuck 5, a material blocking cylinder 6 and a frame. The working process is as follows: 1) the U-shaped plate 1 is provided with a U-shaped groove hole 7, a blank of a shaft material 8 to be processed is placed in the U-shaped groove hole 7, an outlet is formed in the U-shaped groove hole 7, and the blank of the shaft material 8 in the U-shaped groove hole 7 can roll out from the outlet. 2) The reversing mechanism 2 clamps a shaft material 8 blank rolled out from the U-shaped slotted hole 7, the shaft material 8 blank is rotated to the position of the pneumatic chuck 5 in a rotating direction, then the shaft material 8 is loosened to fall into a central through hole of the pneumatic chuck 5, and the shaft material is blocked by a moving rod of the baffle cylinder 6 (the baffle cylinder 6 extends out of the moving rod at the beginning, and the moving rod enters the central through hole of the pneumatic chuck 5). 3) And controlling the pneumatic chuck 5 to close to clamp the shaft material, and simultaneously controlling the reversing mechanism 2 to return to an outlet of the U-shaped plate 1 to take another shaft material 8 blank. 4) And controlling the rotating handle mechanism 4 to act to enable a drill bit of the common drilling machine 3 to move downwards for processing, controlling the rotating handle mechanism 4 to return to the original position after a central hole is drilled, and automatically returning the common drilling machine 3 to the original position. 5) The material blocking cylinder 6 is controlled to stretch back the moving rod, the pneumatic chuck 5 is controlled to loosen the shaft material, and the shaft material with one processed end falls into a finished product bin below the material blocking cylinder 6 from the position returned by the moving rod of the material blocking cylinder 6. 6) And (4) controlling the material blocking cylinder 6 to extend out of the movable rod, and returning to the step 2) to restart. 7) And (3) putting the processed shaft material at one end in the finished product bin into the U-shaped plate 1 in the opposite direction until the shaft material in the U-shaped plate 1 is processed, and returning to the step 2) to restart to process the central hole at the other end until all the shaft material is processed. This kind of drilling machine need put into every axle material and process one end centre bore in U template 1 after, put into U template 1 in the other end centre bore of processing in the opposite direction again, is unfavorable for automated processing design, needs to attach an automatic feeding mechanism to this drilling machine again in order to further improve degree of automation.

Disclosure of Invention

The invention aims to provide an automatic feeding mechanism of a drilling machine for drilling a central hole of a shaft material, which improves the automation degree of the drilling machine.

The invention discloses an automatic feeding mechanism of a drilling machine for drilling a central hole on a shaft material, which is realized by the following steps: the automatic feeding mechanism of the drilling machine for drilling the central hole of the shaft material comprises a guide plate, a bottom plate, a sliding table cylinder I, a feeding cylinder, a feeding plate, a material clamping mechanism and a rack; the guide plate is fixedly connected to the rack, a notch, a through hole and a first inclined plane are formed in the guide plate, and the through hole is located in the first inclined plane; the first sliding table cylinder is fixedly connected to the rack; the bottom plate is fixedly connected to a movable sliding table of the first sliding table cylinder, and when the first sliding table cylinder extends out of the movable sliding table, the bottom plate is positioned right below the notch; the feeding cylinder is fixedly connected to the frame, and a moving rod of the feeding cylinder is fixedly connected with the feeding plate; the feeding plate is arranged on the rack and forms a sliding pair with the rack, the feeding plate is provided with a second inclined surface, the second inclined surface is positioned at the notch when the feeding cylinder does not extend out of the moving rod, and the second inclined surface is positioned at the U-shaped slot hole of the U-shaped plate in the drilling machine when the feeding cylinder extends out of the moving rod; the material clamping mechanism comprises a material clamping moving plate, a material clamping spring and a sleeve; the material clamping moving plate is arranged at the upper material plate and forms a moving pair with the upper material plate (if the material clamping moving plate is square, the upper material plate is provided with a square hole matched with the material clamping moving plate, and the material clamping moving plate and the upper material plate form a moving pair), and a material clamping end is arranged on the material clamping moving plate; the material clamping spring is arranged on the material clamping moving plate, one end of the material clamping spring props against the material feeding plate, and the other end of the material clamping spring props against the material clamping moving plate; the sleeve is fixedly connected to the material clamping moving plate (in threaded connection), the sleeve limits the position, ejected out by the material clamping spring, of the material clamping moving plate, namely the position of a material clamping end, and the material clamping end is located at the second inclined plane and used for blocking shaft materials at the second inclined plane from falling into the material clamping moving plate; the gap is positioned below a central through hole of a pneumatic chuck in the drilling machine, the through hole is positioned under the central through hole of the pneumatic chuck, the through hole faces a material blocking cylinder in the drilling machine, the moving rod passes through the through hole to enter the central through hole of the pneumatic chuck to block materials when the material blocking cylinder extends out of the moving rod, when the material blocking cylinder stretches back the moving rod and the pneumatic chuck loosens the shaft material, the shaft material falls into the through hole of the first inclined plane from the pneumatic chuck (the size of the through hole is larger than that of the moving rod of the material blocking cylinder and smaller than that of the shaft material), the shaft material slides onto the bottom plate along the first inclined plane, the shaft material slides out of the bottom plate and completely enters the second inclined plane under the constraint of the notch, the shaft material is blocked by the material blocking end and cannot fall into the second inclined plane after entering the second inclined plane, and then when the feeding cylinder extends out of the moving rod, the second inclined plane is positioned at the U-shaped slot hole of the U-shaped plate in the drilling machine, the clamping end touches the U-shaped plate to leave the second inclined plane, and the shaft material on the second inclined plane rolls into the U-shaped slot hole of the U-shaped plate again.

The invention has the beneficial effects that: the automatic feeding mechanism of the drilling machine for drilling the center hole of the shaft material is provided, and the automation degree of the drilling machine is improved.

Drawings

The invention is further described below with reference to the accompanying drawings.

Fig. 1 to 3 are schematic structural views of a drilling machine according to the present invention.

FIG. 4 is a schematic view of a drill press incorporating the automatic loading mechanism of the present invention.

Fig. 5 and 6 are overall structural schematic views of the present invention.

Fig. 7 is a schematic structural view of the material clamping mechanism of the present invention.

Fig. 8 is a partial schematic view of the material clamping mechanism of the present invention.

FIG. 9 is a schematic view of the position of the present invention relative to the drill press with the load cylinder not extending the travel bar.

FIG. 10 is a schematic view of the position of the present invention relative to the drill press with the loading cylinder extended from the travel bar.

In the figure:

1: and (3) a U-shaped plate 2: the reversing mechanism 3: and 4, a common drilling machine: rotating the handle mechanism 5: the air chuck 6: the material blocking cylinder 7: u-shaped slot 8: shaft material 9: automatic feeding mechanism 10: the guide plate 11: notch 12: through hole 13: bottom plate 14: the sliding table cylinder I15: the feeding cylinder 16: the material pushing plate 17: a sliding table cylinder II 18: feeding plate 19: the baffle 20: a second inclined surface 21: the material clamping mechanism 22: material clamping moving plate 23: the material clamping end 24: material clamping spring 25: the sleeve 26: and a first inclined plane.

Detailed Description

FIGS. 5 and 6 are schematic views showing the overall structure of an automatic loading mechanism of a drilling machine for drilling a center hole in a shaft material according to the present invention, and FIGS. 7 to 10 are schematic views showing various parts of the present invention; as shown in the figure, the automatic feeding mechanism 9 of the drilling machine for drilling the central hole of the shaft material comprises a guide plate 10, a bottom plate 13, a sliding table cylinder I14, a feeding cylinder 15, a feeding plate 18, a material clamping mechanism 21 and a frame; the guide plate 10 is fixedly connected to the rack, a notch 11, a through hole 12 and a first inclined plane 26 are formed in the guide plate 10, and the through hole 12 is located at the first inclined plane 26; the sliding table cylinder I14 is fixedly connected to the rack; the bottom plate 13 is fixedly connected to a movable sliding table of the sliding table cylinder I14, and when the sliding table cylinder I14 extends out of the movable sliding table, the bottom plate 13 is positioned right below the notch 11; the feeding cylinder 15 is fixedly connected to the frame, and a moving rod of the feeding cylinder 15 is fixedly connected with the feeding plate 18; the feeding plate 18 is arranged on the rack and forms a sliding pair with the rack, the feeding plate 18 is provided with a second inclined surface 20, the second inclined surface 20 is positioned at the notch 11 when the feeding cylinder 15 does not extend out of the movable rod, and the second inclined surface 20 is positioned at the U-shaped groove hole 7 of the U-shaped plate 1 in the drilling machine when the feeding cylinder 15 extends out of the movable rod; as shown in fig. 7, the material clamping mechanism 21 includes a material clamping moving plate 22, a material clamping spring 24 and a sleeve 25; the material clamping moving plate 22 is arranged at the upper material plate 18 and forms a moving pair with the upper material plate 18 (if the material clamping moving plate 22 is square, the upper material plate 18 is provided with a square hole matched with the material clamping moving plate, and the material clamping moving plate 22 and the upper material plate form a moving pair), and a material clamping end 23 is arranged on the material clamping moving plate 22; the material clamping spring 24 is arranged on the material clamping moving plate 22, one end of the material clamping spring 24 props against the feeding plate 18, and the other end of the material clamping spring 24 props against the material clamping moving plate 22; the sleeve 25 is fixedly connected to the material clamping moving plate 22 (in threaded connection), the sleeve 25 limits the position of the material clamping moving plate 22 ejected out by the material clamping spring 24, namely the position of the material clamping end 23, and the material clamping end 23 is located at the second inclined plane 20 and used for blocking the shaft material 8 at the second inclined plane 20 from falling; the notch 11 is positioned below a central through hole of a pneumatic chuck 5 in a drilling machine, the through hole 12 is positioned right below the central through hole of the pneumatic chuck 5, the through hole 12 faces a material blocking cylinder 6 in the drilling machine, when the material blocking cylinder 6 extends out of a moving rod, the moving rod passes through the through hole 12 to enter the central through hole of the pneumatic chuck 5 for blocking material, when the material blocking cylinder 6 extends back the moving rod and the pneumatic chuck 5 loosens the shaft material, the shaft material 8 falls into the through hole 12 of a first inclined plane 26 from the pneumatic chuck 5 (the size of the through hole 12 is larger than that of the moving rod of the material blocking cylinder 6 and smaller than that of the shaft material 8), the shaft material 8 slides onto a bottom plate 13 along the first inclined plane 26, the shaft material 8 slides out of the bottom plate 13 completely to enter a second inclined plane 20 under the constraint of the notch 11 (as shown in figure 9), the shaft material 8 enters the second inclined plane 20 and is blocked by a material blocking end 23 and cannot fall into the shaft material, and then the second inclined plane 20 is positioned at a U-shaped hole, at this time, the material clamping end 23 touches the U-shaped plate 1 and leaves the second inclined plane 20 (as shown in fig. 10), and the shaft material 8 on the second inclined plane 20 rolls into the U-shaped slot hole 7 of the U-shaped plate 1 again.

When in work, the drilling machine with the additional structure provided by the invention works according to the following steps: 1) and (3) putting a blank of the shaft material 8 to be processed into the U-shaped groove hole 7, wherein an outlet is formed in the U-shaped groove hole 7, and the blank of the shaft material 8 in the U-shaped groove hole 7 can roll out from the outlet. 2) The reversing mechanism 2 clamps an axle material 8 blank rolled out from the U-shaped groove hole 7, the axle material 8 blank is rotated to the position of the pneumatic chuck 5 in the rotating direction (the end surface of the axle material 8 in the U-shaped groove hole 7, which is far away from the common drilling machine 3, faces a drill bit of the common drilling machine 3 under the rotation of the reversing mechanism 2, namely, the end surface far away from the common drilling machine 3 becomes an upper end surface, then the drill bit drills the upper end surface, and the other end surface becomes a lower end surface which can not be machined), then the axle material 8 is loosened to fall into a central through hole of the pneumatic chuck 5, and the axle material is blocked by a moving rod of a baffle cylinder 6 (the moving rod is stretched out by the baffle cylinder 6 when the axle material is started, and the moving rod enters the central through. 3) And controlling the pneumatic chuck 8 to close to clamp the shaft material, and simultaneously controlling the reversing mechanism 2 to return to an outlet of the U-shaped plate 1 to take another shaft material 8 blank. 4) And controlling the rotating handle mechanism 4 to act to enable a drill bit of the common drilling machine 3 to move downwards to process the upper end face, controlling the rotating handle mechanism 4 to return to the original position after a central hole is drilled, and automatically returning the common drilling machine 3 to the original position. 5) The material blocking cylinder 6 is controlled to stretch back to move the rod, the pneumatic chuck 5 is controlled to loosen the shaft material, the shaft material with one processed end falls into the position returned by the moving rod of the material blocking cylinder 6, the lower end face of the shaft material 8 touches the through hole 12 of the first inclined plane 26 (the size of the through hole 12 is larger than that of the moving rod of the material blocking cylinder 6 and smaller than that of the shaft material 8), the shaft material 8 slides into the bottom plate 13 along the first inclined plane 26 (in the initial period, the first sliding table cylinder 14 stretches out the movable sliding table, and the bottom plate 13 is located under the notch 11), the shaft material 8 slides out of the bottom plate 13 and completely enters the second inclined plane 20 under the constraint of the notch 11 (as shown in figure 9), wherein the lower end face of the shaft material 8 firstly enters the second inclined plane 20, and the shaft material 8 cannot fall into the second inclined plane 20 and then cannot be. 6) Then the feeding cylinder 15 extends out of the moving rod to enable the second inclined plane 20 to be located at the position of a U-shaped groove hole 7 of the U-shaped plate 1 in the drilling machine, at the moment, the clamping end 23 touches the U-shaped plate 1 to leave the second inclined plane 20 (as shown in fig. 10), the shaft material 8 on the second inclined plane 20 rolls into the U-shaped groove hole 7 of the U-shaped plate 1 again, and the lower end face of the shaft material 8 is changed into an end face far away from the common drilling machine 3 in the U-shaped groove hole 7 (when the shaft material 8 is re-processed, an end face which is not processed is processed. 7) And (3) controlling the material blocking cylinder 6 to extend out of the moving rod, controlling the feeding mechanism 15 to extend back to the moving rod, returning the second inclined plane 20 to the original position, and returning to the step 2) to start again. 8) Until one end surface of the shaft material in the U-shaped plate 1 is processed, a first sliding table cylinder 14 is controlled to extend back to move the sliding table, and the bottom plate 13 is away from the position right below the notch 11. 9) And then, the unprocessed end face of the shaft material 8 is processed according to the processing mode, after the processing is finished, when the shaft material 8 falls in, the processed shaft material 8 can fall into a finished product bin below as the bottom plate 13 leaves the position right below the notch 11 until all the shaft material is processed, the first sliding table cylinder 14 is controlled to extend out of the movable sliding table, and the bottom plate 13 returns to the original position.

The invention is additionally provided with a material pushing plate 16 and a sliding table cylinder II 17; the second sliding table cylinder 17 is fixedly connected to the frame; the material pushing plate 16 is fixedly connected to the moving sliding table of the sliding table cylinder II 17, and the material pushing plate 16 is located at the bottom plate 13. If the force of the fallen shaft material 8 cannot be achieved, the shaft material only falls onto the bottom plate 13 and does not completely slide out of the bottom plate 13 to enter the second inclined plane 20, at the moment, the second sliding table cylinder 17 extends out of the movable sliding table, and the material pushing plate 16 completely pushes the shaft material 8 into the second inclined plane 20.

The baffle 19 is arranged on the feeding plate 18 in the technical scheme, and the baffle 19 is located on the second inclined plane 20 and used for blocking the shaft material 8 completely pushed into the second inclined plane 20 and preventing the shaft material 8 from falling into the inclined plane.

In the technical scheme, the sliding table cylinder I14 is removed, the base plate 13 is fixedly connected to the rack, and the base plate 13 is positioned right below the notch 11 and replaces the sliding table cylinder I14 to be fixedly connected to the rack; the bottom plate 13 is fixedly connected to a movable sliding table of the sliding table cylinder I14, when the sliding table cylinder I14 extends out of the movable sliding table, the bottom plate 13 is located right below the notch 11, the two ends of the shaft material 8 are machined and then enter the U-shaped groove holes 7, and a finished product is taken out.

In addition to the above embodiments, the present invention has other embodiments. All technical equivalents and equivalents which may be substituted for one another are intended to fall within the scope of the claims.

Claims

1. The utility model provides an automatic feeding mechanism that is used for axle material to bore drilling machine of centre bore which characterized in that: the device comprises a guide plate, a bottom plate, a sliding table cylinder I, a feeding cylinder, a feeding plate, a material clamping mechanism and a rack; the guide plate is fixedly connected to the rack, a notch, a through hole and a first inclined plane are formed in the guide plate, and the through hole is located in the first inclined plane; the first sliding table cylinder is fixedly connected to the rack; the bottom plate is fixedly connected to a movable sliding table of the first sliding table cylinder, and when the first sliding table cylinder extends out of the movable sliding table, the bottom plate is positioned right below the notch; the feeding cylinder is fixedly connected to the frame, and a moving rod of the feeding cylinder is fixedly connected with the feeding plate; the feeding plate is arranged on the rack and forms a sliding pair with the rack, the feeding plate is provided with a second inclined surface, the second inclined surface is positioned at the notch when the feeding cylinder does not extend out of the moving rod, and the second inclined surface is positioned at the U-shaped slot hole of the U-shaped plate in the drilling machine when the feeding cylinder extends out of the moving rod; the material clamping mechanism comprises a material clamping moving plate, a material clamping spring and a sleeve; the material clamping moving plate is arranged at the upper material plate and forms a moving pair with the upper material plate, and a material clamping end is arranged on the material clamping moving plate; the material clamping spring is arranged on the material clamping moving plate, one end of the material clamping spring props against the material feeding plate, and the other end of the material clamping spring props against the material clamping moving plate; the sleeve is fixedly connected to the material clamping moving plate, the sleeve limits the position of the material clamping moving plate, which is ejected out by the material clamping spring, namely the position of a material clamping end, and the material clamping end is positioned at the second inclined plane and used for blocking shaft materials at the second inclined plane from falling into the material clamping moving plate; the notch is located below a central through hole of a pneumatic chuck in a drilling machine, the through hole is located under the central through hole of the pneumatic chuck, the through hole faces a material blocking cylinder in the drilling machine, when the material blocking cylinder extends out of a moving rod, the moving rod penetrates through the through hole to enter the central through hole of the pneumatic chuck to block materials, when the material blocking cylinder extends back the moving rod and the pneumatic chuck loosens shaft materials, the shaft materials fall into the through hole of a first inclined plane from the pneumatic chuck, the shaft materials slide onto a bottom plate along the first inclined plane, the shaft materials slide out of the bottom plate completely into a second inclined plane under the constraint of the notch, the shaft materials are blocked by a material blocking end and cannot fall into the second inclined plane, then the second inclined plane is located at a U-shaped groove hole of a U-shaped plate in the drilling machine when a feeding cylinder extends out of the moving rod, at the moment, the clamping end touches the U-shaped plate to leave the second inclined plane.

2. The automatic feeding mechanism of a drilling machine for shaft material drilling of a center hole according to claim 1, characterized in that: a material pushing plate and a sliding table cylinder II are added; the sliding table cylinder II is fixedly connected to the rack; and the material pushing plate is fixedly connected to the movable sliding table of the sliding table cylinder II and is positioned at the bottom plate.

3. The automatic feeding mechanism of a drilling machine for shaft material drilling of a center hole according to claim 1, characterized in that: the baffle is arranged on the feeding plate and located on the second inclined plane and used for blocking the shaft material completely pushed into the second inclined plane and preventing the shaft material from falling into the second inclined plane.

4. The automatic feeding mechanism of a drilling machine for shaft material drilling of a center hole according to claim 1, characterized in that: and removing the sliding table cylinder I, and then fixedly connecting the bottom plate on the rack, wherein the bottom plate is positioned right below the notch.