CN104625247A - Internal thread tapping device - Google Patents
Internal thread tapping device Download PDFInfo
- Publication number
- CN104625247A CN104625247A CN201310562478.9A CN201310562478A CN104625247A CN 104625247 A CN104625247 A CN 104625247A CN 201310562478 A CN201310562478 A CN 201310562478A CN 104625247 A CN104625247 A CN 104625247A
- Authority
- CN
- China
- Prior art keywords
- tapping
- bar
- cylinder
- internal thread
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/16—Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
- B23G1/18—Machines with one working spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G2210/00—Details of threads produced
- B23G2210/04—Internal threads
Abstract
The invention belongs to the technical field of mechanical machining equipment, and particularly relates to an internal thread tapping device which comprises a rack and a tapping rod. The rack is provided with an automatic control mechanism which is composed of a cylinder and two sensors used for detecting the position of the tapping rod; the cylinder is connected with the tapping rod through a transmission part; the signal output ends of the sensors are connected with the control circuit of the cylinder. The internal thread tapping device is simple in structure, the sensors are arranged on the rack in the direction of the motion trail of a work wrench, the sensors control a piston rod of the cylinder to drive the tapping rod to move up and down, and the qualified rate of products is improved. Work wrench tapping is replaced, workers only need to be responsible for fixing the positions of workpieces, the operation is convenient and fast, and the production efficiency is greatly improved.
Description
[technical field]
The invention belongs to machining equipment technical field, particularly relate to a kind of internal thread tapping machine.
[background technology]
At present, in component of machine processing, usually need to make internal thread on parts, so that the installation of workpiece, the most frequently used is use internal thread tapping machine to carry out tapping.Internal thread tapping machine conventional at present comprises base, internal thread tapping machine structure, workbench and frame, internal thread tapping machine structure is fixed on upper rack, internal thread tapping machine structure by motor, drive link, tapping bar, work spanner, balancing disk and be arranged on tapping bar lower end tapping bore form.The upper end of drive link is linked with drive, and drive is connected with the driving wheel be connected on motor output shaft by belt, and motor drives tapping bar to rotate, and drive link inside is provided with spline housing and the spline fitted on tapping burr week.One end of work spanner is coupling in frame, and the middle part of work spanner touches with the balancing disk be sleeved on tapping bar.Work spanner drives balancing disk to move up and down, and balancing disk drives tapping bar move up and down thus complete the tapping of workpiece simultaneously.During work, first part fixture (as scroll chuck) to be processed is fixed on the table, start motor, motor drives screw tap High Rotation Speed, press work spanner downwards, work spanner drives balancing disk and screw tap to workpiece movable, and screw tap carries out tapping to workpiece, when workman feels that hand strength alleviates, upwards lift work spanner and namely complete tapping.This just needs operator operationally to want high concentration energy, and operation is that the good technical essential of GPRS is to guarantee that tapping puts in place.When tapping, operating personnel easily produce fatigue owing to repeating for a long time, and during tapping, whether screw tap is attacked to put in place and operated with feeling completely, therefore the phenomenon that tapping can not put in place often occurs, causes scrapping of part.In addition, internal thread tapping machine completes primarily of manual operation, and workman needs the operation of responsible hand tapping on the one hand, and must be responsible for the operation be fixed on by workpiece on fixture on the other hand, production efficiency is low.Therefore, urgently develop and a kind ofly can, to the internal thread tapping machine of workpiece self-tapping, make workman only need be responsible for fixation workpiece, thus improve work task efficiency.
[summary of the invention]
Main purpose of the present invention is the deficiency overcoming above-mentioned technology, and provides a kind of internal thread tapping machine, enhances productivity.
The present invention for achieving the above object, by the following technical solutions: a kind of internal thread tapping machine, comprise drive motors, frame and tapping bar, it is characterized in that: described frame is provided with automatic controls, described automatic controls is made up of cylinder and the sensor for detecting tapping bar position; Described cylinder is connected with tapping bar by drive disk assembly; The control circuit of the signal output part access cylinder of described sensor, described tapping bar and the work spanner be coupling in frame pass through pinned connection, described work spanner mainly contains wrenching bar and grip is formed, described grip is socketed on wrenching bar, wrench bar inside is hollow, the inside of wrenching bar is provided with holding wire, one end of described holding wire be arranged on the described switch putting and be connected, the other end is connected with circuit for controlling motor; Described drive disk assembly is chain, and described chain one end is connected with in the middle part of work spanner, and the other end is connected with cylinder; Described work spanner is provided with bumping post, and described sensor is fixed in the frame in described bumping post event trace direction.
Described frame is provided with sprocket wheel, and described chain solderless wrapped connection is on sprocket wheel.
Described tapping bar is socketed with balancing disk.
Beneficial effect: structure of the present invention is simple, by the frame on the event trace direction of work spanner arranges two sensors, drives tapping bar to move up and down by the piston rod of sensor control cylinder, improves the qualification rate of product; Instead of the tapping of work spanner, workman only need be responsible for the position of fixation workpiece, and simple operation, substantially increases production efficiency.
[accompanying drawing explanation]
Fig. 1 is the structural representation of a kind of internal thread tapping machine according to the embodiment of the present invention;
In figure: 1-frame, 2-tapping bar, 3-automatic controls, 3-1-cylinder, 3-2-sensor, 4-drive disk assembly, 5-balancing disk, 6-works spanner, 6-1-bumping post, 7-workbench, 8-workpiece grip mechanism.
[detailed description of the invention]
The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing and preferred embodiment.As shown in the figure, a kind of internal thread tapping machine, comprise drive motors, frame 1 and tapping bar 2, described frame is provided with automatic controls 3, and described automatic controls 3 is made up of cylinder 3-1 and the sensor 3-2 for detecting tapping bar position; Described cylinder can be cylinder also can be oil cylinder; Described cylinder is connected with tapping bar 2 by drive disk assembly 4; Described tapping bar 2 is socketed with balancing disk 5, balancing disk self has certain weight, described tapping bar and the work spanner 6 be coupling in frame pass through pinned connection, the work spanner of pressing down to drive tapping bar first lower mobile, complete described in tapping work and work, above-mentioned spanner mainly contains wrenching bar and grip is formed, described grip is socketed on wrenching bar, wrench bar inside is hollow, the inside of wrenching bar is provided with holding wire, one end of described holding wire be arranged on the described switch putting and be connected, the other end is connected with circuit for controlling motor; Spanner is designed to structure that grip and wrenching bar two kinds the combine user that is more convenient for and starts this device.Drive disk assembly in the present invention is chosen as chain, and described chain one end is connected with in the middle part of work spanner, and the other end is connected with cylinder.Described work spanner is provided with bumping post 6-1, and described sensor is fixed in the frame in described bumping post event trace direction.Described sensor is two, is respectively the normally closed sensor of PNP and NPN often drives sensor.Two sensors can both be contacted, the control circuit of the signal output part access cylinder of described sensor when bumping post moves up or down.The control circuit of the cylinder in the present invention is formed primarily of relay and magnetic valve, relay is mainly used in electric conducting and the disconnection frequently controlling output circuit of difference that reception proximity transducer sends, magnetic valve is by Control, by conducting and the disconnection of electric current, control the mode that gas enters cylinder.Described frame is provided with sprocket wheel, and described chain solderless wrapped connection is on sprocket wheel.
Frame is provided with workbench 7, workbench is provided with workpiece grip mechanism 8, workpiece grip mechanism in the present invention selects scroll chuck, and workpiece grip mechanism is in order to fixing workpiece to be processed, and the position of workpiece grip mechanism can adjust according to the position of tapping bar vertical direction.
Operation principle: during work, first clamps workpiece to be processed with on the workpiece grip mechanism be fixed on workbench, according to the position of the position adjustment workpiece of tapping bar.Press down work spanner, spanner contact surface leaves the normally closed proximity transducer of upper end PNP, and sensor exports high electricity frequently to relay.Relay makes controlled output circuit conducting after receiving signal, electric current enters magnetic valve, produces electromagnetic attraction, control air-flow and enter cylinder from lower gas port, thus making the piston generation thrust upwards in cylinder, transmission chain relaxes then, and internal thread tapping machine column moves downward.
When column drive work spanner contact surface movable downwards often drives proximity transducer close to lower end NPN, this sensor sends low electricity frequently to relay, thus the output circuit of Control is disconnected, and electric current disconnects, and electromagnetic attraction disappears.Then control gas port on air-flow clump and enter cylinder, piston produces downward pressure, and transmission chain is tightened, and internal thread tapping machine column moves upward.Instead of the tapping of work spanner, workman only need be responsible for the position of fixation workpiece, and simple operation, substantially increases production efficiency.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. an internal thread tapping machine, comprises drive motors, frame and tapping bar, it is characterized in that: described frame is provided with automatic controls, and described automatic controls is made up of cylinder and the sensor for detecting tapping bar position; Described cylinder is connected with tapping bar by drive disk assembly; The control circuit of the signal output part access cylinder of described sensor, described tapping bar and the work spanner be coupling in frame pass through pinned connection, described work spanner mainly contains wrenching bar and grip is formed, described grip is socketed on wrenching bar, wrench bar inside is hollow, the inside of wrenching bar is provided with holding wire, one end of described holding wire be arranged on the described switch putting and be connected, the other end is connected with circuit for controlling motor; Described drive disk assembly is chain, and described chain one end is connected with in the middle part of work spanner, and the other end is connected with cylinder; Described work spanner is provided with bumping post, and described sensor is fixed in the frame in described bumping post event trace direction.
2. a kind of internal thread tapping machine according to claim 1, is characterized in that: described frame is provided with sprocket wheel, described chain solderless wrapped connection is on sprocket wheel.
3. a kind of internal thread tapping machine according to claim 2, is characterized in that: described tapping bar is socketed with balancing disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310562478.9A CN104625247A (en) | 2013-11-12 | 2013-11-12 | Internal thread tapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310562478.9A CN104625247A (en) | 2013-11-12 | 2013-11-12 | Internal thread tapping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104625247A true CN104625247A (en) | 2015-05-20 |
Family
ID=53204739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310562478.9A Pending CN104625247A (en) | 2013-11-12 | 2013-11-12 | Internal thread tapping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104625247A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105290543A (en) * | 2015-11-28 | 2016-02-03 | 谭华 | Small-size tapping device with crack detection function |
| CN105436632A (en) * | 2015-11-28 | 2016-03-30 | 谭华 | Tapping fixture based on counting and crack detection feedback adjustment |
| CN105436634A (en) * | 2015-11-28 | 2016-03-30 | 谭华 | Safety tapping device based on crack detection |
-
2013
- 2013-11-12 CN CN201310562478.9A patent/CN104625247A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105290543A (en) * | 2015-11-28 | 2016-02-03 | 谭华 | Small-size tapping device with crack detection function |
| CN105436632A (en) * | 2015-11-28 | 2016-03-30 | 谭华 | Tapping fixture based on counting and crack detection feedback adjustment |
| CN105436634A (en) * | 2015-11-28 | 2016-03-30 | 谭华 | Safety tapping device based on crack detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150520 |
|
| WD01 | Invention patent application deemed withdrawn after publication |