CN211192089U

CN211192089U - Drilling machine

Info

Publication number: CN211192089U
Application number: CN201921887624.4U
Authority: CN
Inventors: 刘笑帆; 李丽; 甘镇瑜
Original assignee: Southwest University
Current assignee: Southwest University
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-08-07
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a drilling machine, including lathe bed, workstation, first output mechanism and the second output mechanism that rotates, the workstation sets up on the lathe bed, and first output mechanism and the second output mechanism that rotates set up on the lathe bed and lie in the relative both sides of workstation, and first output mechanism that rotates is used for connecting one side of cutter in order to process the work piece, and the second rotates output mechanism and is used for connecting the opposite side of cutter in order to process the work piece. Drilling tools are respectively arranged on the first rotary output mechanism and the second rotary output mechanism which are positioned on two sides of the workbench, and the first rotary output mechanism and the second rotary output mechanism are started and can simultaneously drill two opposite ends of the cross shaft; therefore, the processing speed of the cross shaft can be improved. Compared with the common processing of the cross shaft, the number of times of switching the processing stations of the cross shaft is reduced, so that the processing precision of the cross shaft is improved, and the processing quality of the cross shaft is ensured.

Description

Drilling machine

Technical Field

The utility model relates to a drilling processing equipment especially relates to a drilling machine.

Background

A cross shaft on an automobile universal joint belongs to a quick-wear part, and has larger demand in the automobile production matching and automobile accessory market.

In the production and processing of the cross shaft, a drilling machine is required to be equipped for processing the center hole of the cross shaft. The cross shaft is limited by a traditional drilling machine structure, and the problems of large manufacturing error, low processing speed and the like exist in the cross shaft.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects in the prior art, the technical problem to be solved in the present invention is to provide a machine tool to solve the problems of large manufacturing error and slow processing speed of the cross shaft.

In order to achieve the above object, the utility model provides a drilling machine, including lathe bed, workstation, first output mechanism and the second output mechanism that rotates, the workstation sets up on the lathe bed, first output mechanism and the second output mechanism that rotates sets up on the lathe bed and is located the relative both sides of workstation, and first output mechanism that rotates is used for connecting the cutter in order to process one side of work piece, and the second output mechanism that rotates is used for connecting the cutter in order to process the opposite side of work piece.

In the drilling machine, in use, a cross shaft to be drilled is positioned and installed on a workbench, drilling tools are respectively installed on a first rotating output mechanism and a second rotating output mechanism which are positioned on two sides of the workbench, the first rotating output mechanism and the second rotating output mechanism are started, and the first rotating output mechanism and the second rotating output mechanism can simultaneously drill two opposite ends of the cross shaft; therefore, the processing speed of the cross shaft can be improved. And when the cross shaft is machined by adopting the drilling machine, the machining of the cross shaft can be completed by switching the stations of the cross shaft once. Compared with the common processing of the cross shaft, the number of times of switching the processing stations of the cross shaft is reduced, so that the processing precision of the cross shaft is improved, and the processing quality of the cross shaft is ensured.

In one embodiment, the first rotary output mechanism comprises a first motor and a first speed regulating box which are in transmission fit, the first speed regulating box is arranged on the lathe bed, and the first speed regulating box is provided with a first connector which is used for connecting a cutter; the second rotation output mechanism comprises a second motor and a second speed regulating box which are in transmission fit, the second speed regulating box is arranged on the lathe bed and is provided with a second connector, and the second connector is used for connecting a cutter. The first rotation output mechanism is simple in structure by adopting the first motor and the first speed regulating box to be in matched transmission, and the second rotation output mechanism is simple in structure by adopting the second motor and the second speed regulating box to be in matched transmission.

In one embodiment, the first speed-adjusting box comprises a first box body, a first input shaft, a first output shaft and a second output shaft, the first box body is arranged on the bed body, the first input shaft, the first output shaft and the second output shaft are in transmission fit and are all arranged on the first box body, the first input shaft is in transmission fit with the first motor, the number of the first connectors is two, and the two first connectors are respectively connected with the first output shaft and the second output shaft; the second speed regulating box comprises a second box body, a second input shaft, a third output shaft and a fourth output shaft, the second box body is arranged on the bed body, the second input shaft, the third output shaft and the fourth output shaft are in transmission fit and are all installed on the second box body, the second input shaft is in transmission fit with a second motor, the number of the second connectors is two, and the two first connectors are respectively connected with the third output shaft and the fourth output shaft. When the hole to be processed at the end part of the cross shaft is a stepped hole, the two first connectors can be respectively provided with two drilling tools with different sizes, and the two second connectors can be respectively provided with two drilling tools with different sizes; the stepped hole at the end of the cross shaft can be machined by switching two cutters which are matched with the two first connectors and the two second connectors. The use of two first connectors and two second connectors saves drilling tool change time as compared to the use of one first connector and one second connector.

In one embodiment, the first motor is in belt drive engagement with the first input shaft; and the second motor is in transmission fit with the second input shaft. The first motor is simple in structure in transmission fit with the first input shaft belt, and the second motor is simple in structure in transmission fit with the second input shaft belt.

In one embodiment, the drilling machine further comprises a first driving mechanism and a second driving mechanism which are arranged on the machine body; the first rotating output mechanism can be slidably arranged on the bed body and can slide towards the direction of the workbench departing from or approaching the first rotating output mechanism, and the first driving mechanism is connected with the first rotating output mechanism so as to drive the first rotating output mechanism to slide relative to the workbench; the second rotating output mechanism is slidably mounted on the bed body and can slide towards the direction of the workbench departing from or approaching the second transmission output mechanism, and the second driving mechanism is connected with the second rotating output mechanism to drive the second rotating output mechanism to slide relative to the workbench. When the cross shaft is drilled, the first driving mechanism can control the distance between the first rotating output mechanism and the end part of the cross shaft, and further can control the drilling depth of a drilling tool connected with the first rotating output mechanism; the second driving mechanism can control the distance between the second rotation output mechanism and the end part of the cross shaft, and further can control the drilling depth of a drilling tool connected with the second rotation output mechanism.

In one embodiment, the first driving mechanism comprises a first driving motor and a first nut screw pair which are arranged on the lathe bed, and the first driving motor and the first nut screw pair are in transmission fit; a screw rod in the first nut screw rod pair is connected with the lathe bed, and a nut in the first nut screw rod pair is connected with the first rotary output mechanism; the second driving mechanism comprises a second driving motor and a second nut screw pair which are arranged on the lathe bed, and the second driving motor is in transmission fit with the second nut screw pair; and a screw rod in the second nut screw rod pair is connected with the lathe bed, and a nut in the second nut screw rod pair is connected with the second rotation output mechanism. The first driving motor and the first nut-screw pair are used for realizing the movement of the first rotary output mechanism, and the structure is simple. The structure for realizing the motion of the second rotation output mechanism by the second driving motor and the second nut-screw pair is simple.

In one embodiment, the table is a rotary table. Therefore, the cross shaft stations can be switched by rotating the rotary workbench, and the time-consuming problem caused by workpiece dismounting can be avoided.

In one embodiment, the drilling machine further comprises a third driving mechanism arranged on the lathe bed; the workbench can be slidably arranged on the lathe bed, and the third driving mechanism is connected with the workbench to drive the workbench to slide relative to the lathe bed; the first rotation output mechanism and the second rotation output mechanism are positioned on two sides of the sliding direction of the workbench. And under the action of the third driving mechanism, the workbench slides relative to the bed body. The worktable drives the cross shaft to slide in the direction away from the first rotary output mechanism and the second rotary output mechanism through the sliding of the worktable relative to the lathe bed; the workbench can be arranged at a position far away from the first rotary output mechanism and the second rotary output mechanism for dismounting the workpiece.

In one embodiment, the third driving mechanism comprises a third driving motor and a third nut screw pair which are arranged on the lathe bed, and the third driving motor and the third nut screw pair are in transmission fit; and a screw rod in the third nut screw rod pair is connected with the lathe bed, and a nut in the third nut screw rod pair is connected with the workbench. The structure for realizing the movement of the workbench by the third driving motor and the third nut-screw pair is simple.

In one embodiment, the bottom of the machine body is provided with a plurality of leveling legs, and the leveling legs can adjust the distance between the bottom of the machine body and the ground.

Drawings

FIG. 1 is a schematic diagram of one embodiment of a drill press;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a left side view of fig. 1.

Description of reference numerals: 100. the machine tool comprises a machine tool body, 200, a workbench, 210, a third driving mechanism, 211, a third driving motor, 212, a third nut screw pair, 300, a first rotating output mechanism, 310, a first motor, 320, a first speed regulating box, 320a, a first connector, 321, a first box body, 322, a first input shaft, 323, a first output shaft, 324, a second output shaft, 330, a first driving mechanism, 331, a first driving motor, 332, a first nut screw pair, 340, a first slide rail, 400, a second rotating output mechanism, 410, a second motor, 420, a second speed regulating box, 420a, a second connector, 421, a second box body, 430, a second driving mechanism, 431, a second driving motor, 432, a second nut screw pair, 440, a second slide rail, 500 and a leveling support leg.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

as shown in fig. 1 to 3, an embodiment provides a drilling machine, which includes a bed 100, a worktable 200, a first rotation output mechanism 300 and a second rotation output mechanism 400, wherein the worktable 200 is disposed on the bed 100, the first rotation output mechanism 300 and the second rotation output mechanism 400 are disposed on the bed 100 and located at two opposite sides of the worktable 200, the first rotation output mechanism 300 is used for connecting a tool to machine one side of a workpiece, and the second rotation output mechanism 400 is used for connecting the tool to machine the other side of the workpiece.

In the drilling machine, when in use, a cross shaft to be drilled is positioned and installed on the workbench 200, drilling tools are respectively installed on the first rotary output mechanism 300 and the second rotary output mechanism 400 positioned at two sides of the workbench 200, the first rotary output mechanism 300 and the second rotary output mechanism 400 are started, and the first rotary output mechanism 300 and the second rotary output mechanism 400 can drill two opposite ends of the cross shaft at the same time; therefore, the processing speed of the cross shaft can be improved. And when the cross shaft is machined by adopting the drilling machine, the machining of the cross shaft can be completed by switching the stations of the cross shaft once. Compared with the common processing of the cross shaft, the number of times of switching the processing stations of the cross shaft is reduced, so that the processing precision of the cross shaft is improved, and the processing quality of the cross shaft is ensured.

Specifically, in this embodiment, a T-shaped groove is formed on the workbench 200, and the tooling fixture for mounting the cross shaft is mounted on the workbench 200 through the T-shaped groove. Of course, in other embodiments, the T-shaped groove may be replaced by a dovetail groove.

In one embodiment, the first rotary output mechanism 300 includes a first motor 310 and a first gearbox 320, which are in driving fit, the first gearbox 320 is disposed on the bed 100, the first gearbox 320 has a first connector 320a, and the first connector 320a is used for connecting a tool; the second rotation output mechanism 400 includes a second motor 410 and a second gearbox 420, which are in transmission fit, the second gearbox 420 is disposed on the bed 100, the second gearbox 420 has a second connector 420a, and the second connector 420a is used for connecting a tool. The first rotary output mechanism 300 has a simple structure of adopting the first motor 310 and the first speed regulating box 320 to be matched and driven, and the second rotary output mechanism 400 has a simple structure of adopting the second motor 410 and the second speed regulating box 420 to be matched and driven.

Specifically, in the present embodiment, the first motor 310 is disposed on the first gearbox 320, and the second motor 410 is disposed on the second gearbox 420.

The first connector 320a has a tapered bore that mates with a morse second taper. The tail of the cutter matched with the first connector 320a is provided with a second Morse cone, and the cutter is inserted into the taper hole through the second Morse cone so as to realize the connection of the cutter and the first connector 320 a.

The second connector 420a has a tapered bore that mates with a morse taper number two. The tail of the cutter matched with the second connector 420a is provided with a second Morse cone, and the cutter is inserted into the taper hole through the second Morse cone so as to realize the connection of the cutter and the second connector 420 a.

In one embodiment, the first speed-adjusting box 320 includes a first box 321, a first input shaft 322, a first output shaft 323, and a second output shaft 324, the first box 321 is disposed on the bed 100, the first input shaft 322, the first output shaft 323, and the second output shaft 324 are in transmission fit and are all mounted on the first box 321, the first input shaft 322 is in transmission fit with the first motor 310, there are two first connectors 320a, and the two first connectors 320a are respectively connected with the first output shaft 323 and the second output shaft 324; the second gearbox 420 comprises a second box 421, a second input shaft, a third output shaft and a fourth output shaft, the second box 421 is arranged on the lathe bed 100, the second input shaft, the third output shaft and the fourth output shaft are in transmission fit and are all arranged on the second box 421, the second input shaft is in transmission fit with the second motor 410, the number of the second connectors 420a is two, and the two first connectors 320a are respectively connected with the third output shaft and the fourth output shaft.

When the hole to be processed at the end of the cross shaft is a stepped hole, the two first connectors 320a can be respectively provided with two drilling tools with different sizes, and the two second connectors 420a can be respectively provided with two drilling tools with different sizes; the stepped bore at the end of the cross-shaft can be machined by switching two tools that mate with the two first connectors 320a and the two second connectors 420 a. The use of two first connectors 320a and two second connectors 420a may save drilling tool change time as compared to the use of one first connector 320a and one second connector 420 a.

In one embodiment, the first motor 310 is belt-driven with the first input shaft 322; the second motor 410 is in driving engagement with the second input shaft belt. The first motor 310 and the first input shaft 322 are simple in structure in belt driving fit, and the second motor 410 and the second input shaft are simple in structure in belt driving fit.

Specifically, in the present embodiment, the first motor 310 is in driving engagement with the first input shaft 322 via a V-belt; the second motor 410 is in driving engagement with the second input shaft via a V-belt.

In one embodiment, the drilling machine further includes a first driving mechanism 330 and a second driving mechanism 430 disposed on the bed 100; the first rotary output mechanism 300 is slidably mounted on the bed 100 and can slide towards the direction of the workbench 200 departing from or approaching the first rotary output mechanism 300, and the first driving mechanism 330 is connected with the first rotary output mechanism 300 to drive the first rotary output mechanism 300 to slide relative to the workbench 200; the second rotation output mechanism 400 is slidably mounted on the bed 100 and can slide towards the direction of the workbench 200 departing from or approaching the second rotation output mechanism 400, and the second driving mechanism 430 is connected with the second rotation output mechanism 400 to drive the second rotation output mechanism 400 to slide relative to the workbench 200.

When the cross shaft is drilled, the first driving mechanism 330 can control the distance between the first rotary output mechanism 300 and the end of the cross shaft, and further can control the drilling depth of a drilling tool connected with the first rotary output mechanism 300; the second driving mechanism 430 can control the distance from the second rotation output mechanism 400 to the end of the cross-shaft, and thus can control the drilling depth of the drilling tool connected with the second rotation output mechanism 400.

In this embodiment, the bed 100 is fixedly provided with a first slide rail 340, and the first rotary output mechanism 300 is slidably mounted on the bed 100 through the first slide rail 340. Specifically, the first sliding rail 340 is slidably connected to the first casing 321.

In this embodiment, the bed 100 is fixedly provided with a second slide rail 440, and the second rotation output mechanism 400 is slidably mounted on the bed 100 through the second slide rail 440. Specifically, the second sliding rail 440 is slidably connected to the second box 421.

Specifically, in this embodiment, the first driving mechanism 330 includes a first driving motor 331 and a first nut screw pair 332, which are disposed on the bed 100, and the first driving motor 331 and the first nut screw pair 332 are in transmission fit; a screw in the first nut screw pair 332 is connected with the lathe bed 100, and a nut in the first nut screw pair 332 is connected with the first rotary output mechanism 300; the second driving mechanism 430 comprises a second driving motor 431 and a second nut screw pair 432 which are arranged on the lathe bed 100, and the second driving motor 431 and the second nut screw pair 432 are in transmission fit; the screw of the second nut screw pair 432 is connected with the lathe bed 100, and the nut of the second nut screw pair 432 is connected with the second rotation output mechanism 400. The first driving motor 331 and the first nut-screw pair 332 are simple in structure for realizing the movement of the first rotary output mechanism 300. The structure for realizing the movement of the second rotation output mechanism 400 by the second driving motor 431 and the second nut-screw pair 432 is simple.

Of course, in other embodiments, the first driving mechanism 330 may also be an electric cylinder, and the electric cylinder is connected to the first rotation output mechanism 300, and drives the first rotation output mechanism 300 to slide through the electric cylinder; the second driving mechanism 430 may also be an electric cylinder, and the electric cylinder is connected to the second rotation output mechanism 400 and drives the second rotation output mechanism 400 to slide through the electric cylinder.

Specifically, in the present embodiment, the working table 200 is a rotary working table 200. Therefore, the cross shaft stations can be switched by rotating the rotary workbench 200, so that the time-consuming problem caused by workpiece dismounting can be avoided.

In one embodiment, the drilling machine further includes a third driving mechanism 210 disposed on the bed 100; the workbench 200 is slidably mounted on the bed 100, and the third driving mechanism 210 is connected with the workbench 200 to drive the workbench 200 to slide relative to the bed 100; the first and second

rotation output mechanisms

300 and 400 are located at both sides of the sliding direction of the table 200. Under the action of the third driving mechanism 210, the table 200 slides relative to the bed 100. Through the sliding of the workbench 200 relative to the bed 100, the workbench 200 slides in the direction away from the first rotation output mechanism 300 and the second rotation output mechanism 400 with the cross shaft; in this way, the work can be attached to and detached from the table 200 at a position away from the first and second

rotary output mechanisms

300 and 400.

In an embodiment, the third driving mechanism 210 includes a third driving motor 211 and a third nut screw pair 212, which are disposed on the bed 100, and the third driving motor 211 and the third nut screw pair 212 are in transmission fit; the screw of the third nut screw pair 212 is connected with the lathe bed 100, and the nut of the third nut screw pair 212 is connected with the workbench 200. The structure for realizing the movement of the worktable 200 by the third driving motor 211 and the third nut-screw pair 212 is simple.

Of course, in other embodiments, the third driving mechanism 210 may also be an electric cylinder, and the electric cylinder is connected to the third rotation output mechanism, and drives the third rotation output mechanism to slide through the electric cylinder.

In one embodiment, a plurality of leveling legs 500 are disposed at the bottom of the bed 100, and the leveling legs 500 can adjust the distance between the bottom of the bed 100 and the ground.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a drilling machine, its characterized in that includes lathe bed, workstation, first output mechanism and the second output mechanism that rotates, the workstation sets up on the lathe bed, first output mechanism and the second output mechanism that rotates set up on the lathe bed and lie in the relative both sides of workstation, and first output mechanism that rotates is used for connecting the cutter in order to process one side of work piece, and the second output mechanism that rotates is used for connecting the cutter in order to process the opposite side of work piece.

2. The drill press of claim 1,

the first rotary output mechanism comprises a first motor and a first speed regulating box which are in transmission fit, the first speed regulating box is arranged on the lathe bed and is provided with a first connector, and the first connector is used for connecting a cutter;

the second rotation output mechanism comprises a second motor and a second speed regulating box which are in transmission fit, the second speed regulating box is arranged on the lathe bed and is provided with a second connector, and the second connector is used for connecting a cutter.

3. The drilling machine according to claim 2, wherein the first speed-adjusting box comprises a first box body, a first input shaft, a first output shaft and a second output shaft, the first box body is arranged on the machine body, the first input shaft, the first output shaft and the second output shaft are in transmission fit and are all arranged on the first box body, the first input shaft is in transmission fit with the first motor, the number of the first connectors is two, and the two first connectors are respectively connected with the first output shaft and the second output shaft;

the second speed regulating box comprises a second box body, a second input shaft, a third output shaft and a fourth output shaft, the second box body is arranged on the bed body, the second input shaft, the third output shaft and the fourth output shaft are in transmission fit and are all installed on the second box body, the second input shaft is in transmission fit with a second motor, the number of the second connectors is two, and the two first connectors are respectively connected with the third output shaft and the fourth output shaft.

4. The drill press of claim 3, wherein the first motor is in driving engagement with the first input shaft belt; and the second motor is in transmission fit with the second input shaft.

5. The drilling machine of claim 1, further comprising a first drive mechanism and a second drive mechanism disposed on the bed;

the first rotating output mechanism can be slidably arranged on the bed body and can slide towards the direction of the workbench departing from or approaching the first rotating output mechanism, and the first driving mechanism is connected with the first rotating output mechanism so as to drive the first rotating output mechanism to slide relative to the workbench;

the second rotating output mechanism is slidably mounted on the bed body and can slide towards the direction of the workbench departing from or approaching the second transmission output mechanism, and the second driving mechanism is connected with the second rotating output mechanism to drive the second rotating output mechanism to slide relative to the workbench.

6. The drilling machine according to claim 5, wherein the first driving mechanism comprises a first driving motor and a first nut screw pair which are arranged on the machine body, and the first driving motor and the first nut screw pair are in transmission fit; a screw rod in the first nut screw rod pair is connected with the lathe bed, and a nut in the first nut screw rod pair is connected with the first rotary output mechanism;

the second driving mechanism comprises a second driving motor and a second nut screw pair which are arranged on the lathe bed, and the second driving motor is in transmission fit with the second nut screw pair; and a screw rod in the second nut screw rod pair is connected with the lathe bed, and a nut in the second nut screw rod pair is connected with the second rotation output mechanism.

7. The drill press of any one of claims 1 to 6, wherein the table is a rotary table.

8. The drilling machine of any one of claims 1 to 6, further comprising a third drive mechanism disposed on the bed;

the workbench can be slidably arranged on the lathe bed, and the third driving mechanism is connected with the workbench to drive the workbench to slide relative to the lathe bed;

the first rotation output mechanism and the second rotation output mechanism are positioned on two sides of the sliding direction of the workbench.

9. The drilling machine according to claim 8, wherein the third driving mechanism comprises a third driving motor and a third nut screw pair which are arranged on the machine body, and the third driving motor and the third nut screw pair are in transmission fit; and a screw rod in the third nut screw rod pair is connected with the lathe bed, and a nut in the third nut screw rod pair is connected with the workbench.

10. The drilling machine of any one of claims 1-6, wherein the bottom of the machine body is provided with a plurality of leveling legs that adjust the distance between the bottom of the machine body and the ground.