CN212019651U

CN212019651U - Active lubrication type tapping machine

Info

Publication number: CN212019651U
Application number: CN202020672131.5U
Authority: CN
Inventors: 曹念东
Original assignee: Chongqing Chengyuan Machinery Co ltd
Current assignee: Chongqing Chengyuan Machinery Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-11-27
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses an initiative lubricated formula tapping machine, including the screw tap, a pedestal, stand and workstation, the position circle mounting hole has on the workstation, be provided with the position circle in this position circle mounting hole, the via hole that runs through from top to bottom should the position circle have, be provided with on the workstation and be used for the clamping mechanism of work piece location on the position circle, the screw tap is located the via hole, it drives actuating cylinder to be provided with the brush on the workstation, the piston rod outer end that this brush drove actuating cylinder is provided with the brush head, this brush head passes through the transfer line and is connected with the oil storage bottle, the brush head can be under the piston rod drive that drives actuating cylinder, scribble lubricating oil to the screw tap that is located the via hole. By adopting the technical scheme, the brush head can timely coat lubricating oil on the screw tap under the control of the driving cylinder, so that the screw tap can be smoothly separated from a machined part, clamping stagnation is avoided, and the quality of the screw thread and the tapping efficiency are effectively ensured; moreover, the flow of the infusion tube is easy to control, the cost is extremely low, and the maintenance is easy.

Description

Active lubrication type tapping machine

Technical Field

The utility model relates to a machining technology field, concretely relates to initiative lubricated formula tapping machine.

Background

The tapping machine is a machine tool for processing internal threads by utilizing a screw tap, is widely applied to the field of machining, and can generate a large amount of metal chips and heat in the machining process, so that chip removal and cooling become important factors influencing the processing quality of the tapping machine. In order to solve the problems, the applicant has designed an inverted tapping machine (publication number CN10429602A), which effectively solves the problems, has smooth chip removal, good cooling effect, and fast and convenient clamping, and is beneficial to improving the thread quality and tapping efficiency.

However, the applicant found that in the long-term application process, the tap is occasionally stuck during the separation from the workpiece, and the problems of affecting the quality of the thread and the tapping efficiency may exist. It is urgent to solve the above problems.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem above, the utility model provides an initiative lubricated formula tapping machine.

The technical scheme is as follows:

the utility model provides a lubricated formula tapping machine of initiative, includes screw tap, base, fixes the stand on the base and installs the workstation on the stand, the position circle mounting hole has on the workstation, is provided with the position circle in this position circle mounting hole, and this position circle has the via hole that runs through from top to bottom, be provided with on the workstation and be used for the clamping mechanism of work piece location on the position circle, the screw tap is arranged in the via hole to can upwards wear out the via hole under actuating mechanism's drive, carry out the tapping to the work piece, its main points lie in: be provided with the brush on the workstation and drive actuating cylinder, this brush drives actuating cylinder's piston rod outer end and is provided with the brush head, and this brush head passes through the transfer line and is connected with the oil storage bottle, the height that highly is higher than the brush head of oil storage bottle, the brush head can be under the piston rod drive of actuating cylinder, paints lubricating oil to the screw tap that is arranged in the via hole.

By adopting the structure, the oil storage bottle can slowly and continuously supply lubricating oil to the brush head under the control of the liquid conveying pipe, and the brush head can timely coat the lubricating oil on the screw tap under the control of the driving cylinder, so that the screw tap can be smoothly separated from a machined part, the clamping stagnation is avoided, and the quality of the screw tap and the tapping efficiency are effectively ensured; moreover, the flow of the infusion tube is easy to control, the cost is extremely low, and the maintenance is easy.

Preferably, the method comprises the following steps: the brush driving cylinder is obliquely arranged beside the positioning ring through the mounting bracket. By adopting the structure, the position is reasonable, the interference can be avoided, and the lubricating oil can be accurately coated on the screw tap.

Preferably, the method comprises the following steps: the working table is provided with a lubricating oil recovery groove which is located under the brush head in the recovery position, the bottom of the lubricating oil recovery groove is provided with a recovery oil duct extending downwards, and the lower end of the recovery oil duct is connected with a recovery bottle through an oil return pipe. The brush head at the withdrawing position can drip oil, and by adopting the structure, the lubricating oil can be prevented from being accumulated on the workbench, and can be recycled, so that the production cost is reduced.

Preferably, the method comprises the following steps: the oil storage bottle is hung on a cross rod positioned above the workbench. By adopting the structure, the structure is simple, stable and reliable.

Preferably, the method comprises the following steps: actuating mechanism includes driving motor, clutch, by driving motor driven pulley subassembly, is used for controlling the shift fork of clutch, is used for controlling the operation hand (hold) of shift fork, installs the main shaft on the base and installs the screw tap chuck at the main shaft upper end, wherein, the clutch cup joints on the main shaft to be connected with driving motor through the pulley subassembly, be provided with the hand (hold) support on the base, the middle part of operation hand (hold) articulates on the hand (hold) support, and the one end that the shift fork was kept away from to this operation hand (hold) has the handle, the position that the operation hand (hold) is close to the handle is connected with the workstation through the extension. By adopting the structure, the tapping operation of the screw tap from bottom to top can be reliably realized, the clutch can be kept in a disengaged state under a normal state by arranging the tension spring, and the clutch can be combined by pressing down the operating handle to perform the tapping operation.

Preferably, the method comprises the following steps: and the handle is provided with a starting button for controlling the brush driving cylinder. By adopting the structure, the starting cylinder can be started once by pressing the starting button, so that the brush head finishes one-time oil coating on the screw tap.

Preferably, the method comprises the following steps: clamping mechanism is including installing the frame on the workstation, can follow the frame gliding actuating lever from top to bottom, installing the work piece pressure head under the actuating lever and be used for driving the actuating lever compress tightly drive assembly, compress tightly drive assembly including driving actuating cylinder, intermediate connecting rod and mount pad, the middle part of intermediate connecting rod is rotationally installed on the mount pad, and the one end of this intermediate connecting rod is articulated with the upper end of actuating lever, and the other end is articulated with the piston rod that drives actuating cylinder. By adopting the structure, the pressing device is simple and reliable, and can ensure that the workpiece pressing head reliably presses the workpiece.

Compared with the prior art, the beneficial effects of the utility model are that:

the active lubrication type tapping machine adopting the technical scheme has the advantages that the structure is novel, the design is ingenious, the implementation is easy, the oil storage bottle can slowly and continuously supply lubricating oil to the brush head under the control of the liquid conveying pipe, the brush head can timely coat the lubricating oil on the screw tap under the control of the driving cylinder, so that the screw tap can be smoothly separated from a machined part, the clamping stagnation is avoided, and the quality of the screw tap and the tapping efficiency are effectively guaranteed; moreover, the flow of the infusion tube is easy to control, the cost is extremely low, and the maintenance is easy.

Drawings

FIG. 1 is a schematic structural view of the present invention with the brush head in the retracted position;

fig. 2 is a schematic structural view of the present invention when the brush head is in the position for applying.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

As shown in fig. 1 and 2, the active lubrication type tapping machine mainly includes a tap 5, a base 1, a column 2 fixed on the base 1, and a table 3 mounted on the column 2, wherein the table 3 has a collar mounting hole 3a, a collar 4 is provided in the collar mounting hole 3a, and the collar 4 has a through hole 4a penetrating vertically.

Referring to fig. 1 and 2, a clamping mechanism for positioning a workpiece on the retainer ring 4 is disposed on the worktable 3, the clamping mechanism includes a frame 23 mounted on the worktable 3, a driving rod 24 capable of sliding up and down along the frame 23, a workpiece pressing head 25 mounted at a lower end of the driving rod 24, and a pressing driving assembly for driving the driving rod 24, the pressing driving assembly includes a driving cylinder 26, an intermediate link 27, and a mounting seat 28, a middle portion of the intermediate link 27 is rotatably mounted on the mounting seat 28, one end of the intermediate link 27 is hinged to an upper end of the driving rod 24, and the other end is hinged to a piston rod of the driving cylinder 26.

The piston rod of the driving cylinder 26 extends outwards, and the driving rod 24 is driven to move downwards through the intermediate connecting rod 27, so that the workpiece pressing head 25 is pressed downwards, and a workpiece to be tapped is positioned on the positioning ring 4.

Referring to fig. 1 and 2, the tap 5 is located in the through hole 4a and can be driven by the driving mechanism to pass through the through hole 4a upwards to tap the workpiece. Specifically, the driving mechanism includes a driving motor 14, a clutch 15, a pulley assembly 29 driven by the driving motor 14, a fork 16 for operating the clutch 15, an operating handle 17 for operating the fork 16, a spindle 18 mounted on the base 1, and a tap chuck 19 mounted on an upper end portion of the spindle 18, the tap chuck 19 being for holding the tap 5.

The clutch 15 is sleeved on the spindle 18 and connected with the driving motor 14 through a belt pulley assembly 29, the base 1 is provided with a handle support 20, the middle part of the operating handle 17 is hinged on the handle support 20, one end of the operating handle 17 far away from the shifting fork 16 is provided with a handle 17a, and the position of the operating handle 17 close to the handle 17a is connected with the workbench 3 through a tension spring 21.

Specifically, the clutch 15 is divided into an upper clutch wheel and a lower clutch wheel, belt discs for transmitting power are respectively arranged on the two clutch wheels, when the driving motor 14 is started, the driving motor 14 transmits power to the clutch 15, the clutch 15 drives the spindle 18 to rotate reversely, tapping operation is not performed, the operating handle 17 is pressed down to rotate the spindle 18 forward and drive the tap 5 to move upwards for tapping, and the structure and the transmission relation of the clutch are already described in chinese patent CN201350535Y published by 11, 25 and 2009.

Referring to fig. 1 and 2, a brush driving cylinder 6 is provided on the table 3, a brush head 7 is provided at an outer end of a piston rod of the brush driving cylinder 6, the brush head 7 is connected to an oil storage bottle 9 through an infusion tube 8, specifically, bristles are provided at an outer end of the brush head 7, an oil passage communicating with the infusion tube 8 is provided inside the brush head 7, and lubricating oil supplied from the infusion tube 8 flows to the bristles through the oil passage, so that the bristles are filled with the lubricating oil, and the lubricating oil can be applied to the tap 5 when the bristles contact the tap 5. The oil storage bottle 9 is hung on a cross bar 13 positioned above the workbench 3, so that the height of the oil storage bottle 9 is higher than that of the brush head 7, and oil is supplied by utilizing the height difference.

The brush head 7 can be driven by a piston rod of the driving cylinder 6 to paint lubricating oil to the screw tap 5 in the through hole 4 a. Specifically speaking, brush drive cylinder 6 passes through installing support 10 slope setting by position circle 4, and brush drive cylinder 6 once starts, and brush head 7 can outwards stretch out under the piston rod drive of drive cylinder 6, paints lubricating oil once to screw tap 5 that is located in via hole 4a, and the piston rod retraction of drive cylinder 6, brush head 7 reset to withdrawing the position. And, the handle 17a is provided with a start button 22 for controlling the brush driving cylinder 6, and the piston rod of the driving cylinder 6 extends and retracts once when the start button 22 is pressed once, thereby completing the oiling operation of the brush head 7.

Referring to fig. 1, a flow control valve 8a is disposed on the infusion tube 8, and the flow of the lubricating oil can be conveniently adjusted by controlling the flow control valve 8a, so that the bristles of the brush head 7 can be filled with the lubricating oil, and the excessive lubricating oil is prevented from overflowing.

In addition, a lubricating oil recovery groove 3b is arranged on the workbench 3, the lubricating oil recovery groove 3b is positioned right below the brush head 7 in the recovery position, a recovery oil channel 3c extending downwards is arranged at the bottom of the lubricating oil recovery groove 3b, and the lower end part of the recovery oil channel 3c is connected with a recovery bottle 12 through an oil return pipe 11. The lubricating oil recovery groove 3b can collect the lubricating oil dropped from the brush head 7 and collect the lubricating oil into a recovery bottle 12 through an oil return pipe 11. Not only keeps the table surface of the workbench 3 relatively clean, but also saves lubricating oil.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims

1. The utility model provides an active lubrication formula tapping machine, includes screw tap (5), base (1), fixes stand (2) on base (1) and installs workstation (3) on stand (2), have position circle mounting hole (3a) on workstation (3), be provided with position circle (4) in this position circle mounting hole (3a), this position circle (4) have via hole (4a) that run through from top to bottom, be provided with on workstation (3) and be used for the clamping mechanism with the work piece location on position circle (4), screw tap (5) are arranged in via hole (4a) to can upwards wear out via hole (4a) under actuating mechanism's drive, tap the work piece, its characterized in that: be provided with brush on workstation (3) and drive actuating cylinder (6), the piston rod outer end that this brush drove actuating cylinder (6) is provided with brush head (7), and this brush head (7) are connected with oil storage bottle (9) through transfer line (8), the height that highly is higher than brush head (7) of oil storage bottle (9), lubricating oil can be paintd to screw tap (5) that lie in via hole (4a) under drive actuating cylinder's (6) piston rod drive in brush head (7).

2. The active lubrication threading machine of claim 1 wherein: the brush driving cylinder (6) is obliquely arranged beside the positioning ring (4) through a mounting bracket (10).

3. The active lubrication threading machine of claim 2 wherein: the lubricating oil recovery device is characterized in that a lubricating oil recovery groove (3b) is formed in the workbench (3), the lubricating oil recovery groove (3b) is located under the brush head (7) located at the withdrawing position, a recovery oil duct (3c) extending downwards is formed in the bottom of the lubricating oil recovery groove (3b), and the lower end of the recovery oil duct (3c) is connected with a recovery bottle (12) through an oil return pipe (11).

4. The active lubrication threading machine of claim 1 wherein: the oil storage bottle (9) is hung on a cross rod (13) positioned above the workbench (3).

5. The active lubrication threading machine of claim 1 wherein: the driving mechanism comprises a driving motor (14), a clutch (15), a belt pulley assembly (29) driven by the driving motor (14), a shifting fork (16) used for operating the clutch (15), an operating handle (17) used for operating the shifting fork (16), a main shaft (18) arranged on the base (1) and a tap chuck (19) arranged at the upper end part of the main shaft (18), wherein, the clutch (15) is sleeved on the main shaft (18) and is connected with the driving motor (14) through a belt pulley component (29), the base (1) is provided with a handle bracket (20), the middle part of the operating handle (17) is hinged on the handle bracket (20), the end of the operating handle (17) far away from the shifting fork (16) is provided with a handle (17a), the position of the operating handle (17) close to the handle (17a) is connected with the workbench (3) through a tension spring (21).

6. The active lubrication threading machine of claim 5 wherein: the handle (17a) is provided with a starting button (22) for controlling the brush driving cylinder (6).

7. The active lubrication threading machine of claim 1 wherein: clamping machine constructs including installing frame (23) on workstation (3), can follow frame (23) gliding actuating lever (24) from top to bottom, install work piece pressure head (25) at actuating lever (24) lower tip and be used for driving the drive assembly that compresses tightly of actuating lever (24), compress tightly drive assembly including driving actuating cylinder (26), intermediate link (27) and mount pad (28), the middle part of intermediate link (27) is rotationally installed on mount pad (28), and the one end of this intermediate link (27) is articulated with the upper end of actuating lever (24), and the other end is articulated with the piston rod that drives actuating cylinder (26).