CN204035720U - Inversion type chasing bar - Google Patents
Inversion type chasing bar Download PDFInfo
- Publication number
- CN204035720U CN204035720U CN201420479192.4U CN201420479192U CN204035720U CN 204035720 U CN204035720 U CN 204035720U CN 201420479192 U CN201420479192 U CN 201420479192U CN 204035720 U CN204035720 U CN 204035720U
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- hole
- workbench
- handle
- operator
- screw tap
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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of inversion type chasing bar, comprise base, the column be fixed on described base, be arranged on the drive unit of workbench, clamping mechanism and screw tap on this column and this screw tap of manipulation, wherein, described workbench is provided with through hole from top to down, described screw tap carries out tapping by stretching into below workbench in this through hole, be provided with air feed shower nozzle below described through hole, this air feed nozzle connecting is connected to forced air supply mechanism.Adopt above structure, screw tap at lower workpiece upper, be convenient to blind hole chip removal, be conducive to quick-clamping simultaneously, when adding tapping, powerful airflow scouring can be obtained in screwed hole, further increase chip removal and cooling effect, the utility model chip removal is smooth and easy, good cooling results, clamping rapid and convenient, is conducive to improving silk dentine amount and tapping efficiency.
Description
Technical field
The utility model belongs to machining equipment technical field, especially relates to a kind of inversion type chasing bar.
Background technology
Tapping machine is a kind of lathe utilizing screw tap machining internal thread, be used widely in field of machining, a large amount of metal fillings and heat can be produced because machine adds in process, therefore, chip removal and the key factor be cooled to affect tapping machine crudy, especially when processing blind hole, chip removal and heat radiation not smooth, easily make screw tap asphyxia by external pressure on the chest and abdomen, even can fracture time serious screw tap, therefore after often needing midway withdrawing chip removal, continue tapping again, working (machining) efficiency and silk dentine amount are had a strong impact on, cooling fluid is utilized to wash away in tradition tapping machine, carry out the case of chip removal and cooling, but its effect is still not ideal enough.
Utility model content
For solving above technical problem, the utility model provides a kind of structure simply novel, and chip removal is smooth and easy, the inversion type chasing bar of good cooling results.
Technical scheme is as follows:
A kind of inversion type chasing bar, comprise base, the column be fixed on described base, be arranged on the drive unit of workbench, clamping mechanism and screw tap on this column and this screw tap of manipulation, its main points are: described workbench is provided with through hole from top to down, described screw tap carries out tapping by stretching into below workbench in this through hole, be provided with air feed shower nozzle below described through hole, this air feed nozzle connecting is connected to forced air supply mechanism.Adopt the mode of tapping from bottom to top, hole to be processed is inverted, is conducive to chip removal, air feed shower nozzle is aided with powerful airflow scouring simultaneously, makes chip removal more smooth and easy, plays the effect of cooling, lubrication simultaneously, greatly improve the efficiency of tapping and the quality of silk tooth, and save cooling fluid.
Described drive unit comprises drive motors, the belt pulley driven by this drive motors, clutch, handle shift fork and the operator handle of this clutch, be installed in rotation on the main shaft on base and the tap chuck being arranged on this main shaft top, wherein, clutch sleeve is connected on main shaft, and be connected with belt pulley by driving belt, described operator is wholely set near-end and shift fork, described base is provided with hand support, described operator middle part and this hand support is hinged, operator is handle far-end, near handle operator on be provided with extension spring, this extension spring is connected with described workbench.Adopt above structure, can realize screw tap screwing operation from bottom to top reliably, under the arranging of extension spring can keep normality, clutch is for disengaged condition, and pressing operation hand, clutch can be made to combine, carries out screwing operation.
Described forced air supply mechanism comprises the tracheae be connected with air compressor machine and the magnetic valve be arranged on described tracheae, described air feed shower nozzle is arranged on tracheae end, described hand is provided with the travel switch of Controlling solenoid valve break-make stent outer, the trip switch-linear hybrid immediately below operator handle, and is positioned at this operator pressing down stroke range.Adopt above structure, can comparatively reasonably realize tapping and add man-hour, air feed shower nozzle provides powerful airflow scouring, travel switch is arranged on immediately below operator handle, just connect magnetic valve when screw tap carries out tapping and carry out air feed, time undressed, cut off source of the gas, with cost-saving, structure is simple, easy to operate.
Described clamping mechanism comprises the longitudinal carrier arranged vertically on the table, the chute supported plate being fixed on this longitudinal carrier top, this chute supported plate is parallel with workbench, and there is the via hole of up/down perforation, one depression bar is slidably through this via hole, described depression bar lower end is provided with pressing plate, upper end thereof has casting die handle, and this casting die handle stage casing is hinged with the pressure handle support be vertically arranged on chute supported plate.Adopt above structure, via hole can ensure the rectilinear motion of depression bar in the vertical direction, guarantees the reliable location of clamping mechanism to workpiece.
One section of depression bar between described pressing plate and chute supported plate overlaps and has stage clip, be extended configuration under described stage clip normality, with workpiece pressing, this stage clip upper end abuts with chute supported plate lower surface, lower end abuts with pressing plate upper surface, the clamping mechanism that is set to of stage clip provides enough pretightning forces, further increases its clamping effect, makes clamping workpiece convenient, quick.
Through hole on described workbench is embedded with centring ring, the detection and location hole of up/down perforation is provided with in the middle part of described centring ring, this centring ring lower end is stretched in through hole, upper end is connected on the upper surface of chute supported plate by outward extending boss, described detection and location hole and through hole are coaxially arranged, this kind of Standard is reliable, good positioning effect, detection and location hole size is determined according to workpiece size, machined surface is provided with to the workpiece of boss, the machine that automatically can detect this boss adds size, detection and location hole and through hole are coaxially arranged, the vertical of a tooth and basal plane can be ensured, correction screw tap moves towards.
Beneficial effect: the inversion type chasing bar adopting above technical scheme, structure is simple, novel, and the utility model chip removal is smooth and easy, good cooling results, clamping rapid and convenient, is conducive to improving silk dentine amount and tapping efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of clamping mechanism in the utility model;
Fig. 3 is the structural representation of centring ring in the utility model.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
A kind of inversion type chasing bar as shown in Figure 1, comprise base 1, be fixed on the column 2 on base 1 vertically, be fixed by welding in the workbench 3 on this column 2, be arranged on the clamping mechanism 4 on workbench 3, and the drive unit of screw tap 5 and this screw tap 5 of manipulation, described drive unit comprises drive motors 7, the belt pulley 8 driven by this drive motors 7, clutch 9, handle the shift fork 10 of this clutch 9 and operator 11, be installed in rotation on the main shaft 12 on base 1 and the tap chuck 13 being arranged on this main shaft 12 top, wherein, clutch 9 is socketed on main shaft 12, and be connected with belt pulley 8 by driving belt, described clutch 9 is divided into, lower castle wheel, two castle wheels are respectively arranged with the belt pulley transmitting power, when drive motors 7 starts, clutch 9 drives main shaft 12 to reverse, do not carry out screwing operation, pressing operation hand is 11, main shaft 12 is rotated forward, and drive screw tap 5 to move up to carry out tapping, in Chinese patent CN201350535Y disclosed in 25 days November in 2009, introduction was had about the structure of clutch and drive connection, it is substantially identical with the transmission principle of this patent, therefore not to repeat here, described operator is wholely set 11 near-ends and shift fork 10, described base 1 is welded with hand perpendicular to this base support 14, described operator 11 stage casings and this hand hinged for support 14 top, operator is handle 11 far-ends, at the operator near this handle being connected with extension spring 15 on 11, the other end of this extension spring 15 is connected with workbench 3.
Be it can also be seen that by Fig. 1, workbench 3 is provided with through hole 31 from top to down, described screw tap 5 carries out tapping by stretching into below workbench 3 in this through hole 31, air feed shower nozzle 6 is provided with below described through hole 31, this air feed shower nozzle 6 is connected with air compressor machine (not shown) by tracheae 16, air compressor machine provides the mesohigh air-flow of 6.5 ~ 15Mpa, this tracheae 16 is provided with magnetic valve 17, hand the operator outside support 14 11 immediately below be provided with the break-make of travel switch 18 in order to Controlling solenoid valve 17, the trip switch 18 be positioned at operator 11 press down stroke range.
Fig. 2 shows the concrete structure of clamping mechanism 4, it comprises the longitudinal carrier 41 be welded on vertically on workbench 3, with the chute supported plate 42 that this longitudinal carrier 41 top is fixing, this chute supported plate 42 is parallel to workbench 3, and there is the via hole 43 of up/down perforation, one depression bar 44 is slidably through this via hole 43, described depression bar 44 is welded with pressing plate 45 through the lower end of via hole 43, upper end thereof has casting die handle 46, this casting die handle 46 stage casing is hinged with the pressure handle support 47 be vertically welded on chute supported plate 42, casting die handle 46 can rotate along the pin joint with pressure handle support 47, with pressure or pull-up depression bar 44, one section of depression bar 44 between pressing plate 45 and workbench 3 overlaps and has stage clip 48, this stage clip 48 upper end is fixed on the lower surface of workbench 3, lower end is fixed on the upper surface of pressing plate 45, under normality, stage clip 48 makes depression bar 44 keep impaction state, pressure casting die handle 46, depression bar 44 can overcome stage clip 48 elastic force and rise, conveniently pick and place workpiece.
In Fig. 2, pressing plate 45 lower end is provided with pockets 45a, with fixation workpiece upper surface, through hole 31 on described workbench 3 is embedded with centring ring 32, the detection and location hole 32a of up/down perforation is provided with in the middle part of described centring ring 32, the size of detection and location hole 32a is determined according to workpiece actual size, be convenient to locate workpiece to be processed, for the workpiece having boss, this detection and location hole 32a also has the function automatically detecting workpiece boss machine and add size, centring ring 32 lower end is stretched in through hole 31, upper end is connected on the upper surface of workbench 3 by outward extending boss 32b, described detection and location hole 32a and through hole 31 and via hole 43 are coaxially arranged.
Operation principle of the present utility model is as follows: operating personnel start air compressor machine and drive motors, pressure casting die handle 46, workpiece to be processed is placed on workbench 3, located by centring ring 32, can not enter the defective work of detection and location hole 32a for boss, send back in time and do over again, workpiece is after centring ring fixes, unclamp casting die handle 46, depression bar 44 and pressing plate 45 under stage clip 48 acts on by Work-sheet pressing.Now, pressing operation hand 11, the connection of travel switch 18 Controlling solenoid valve 17, air feed shower nozzle 6 passes into air-flow by through hole 31 to region to be processed, and clutch 9 drives main shaft 12 and tap chuck 13 to rotate forward, and drives screw tap 5 upwards to carry out tapping, in tapping process, all the time obtain powerful airflow scouring, cutting hole is played to the effect of chip removal, cooling, lubrication, after tapping completes, pressure casting die handle 46, take out manufactured workpiece, change workpiece to be processed, enter next circulation.
It should be noted that, above embodiment is only in order to illustrate technical solutions of the utility model but not restriction technologies scheme, although applicant is explained in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those amendments that technical solutions of the utility model are carried out or equivalently to replace, aim and the scope of the technical program can not be departed from, all should be encompassed in the middle of the utility model right.
Claims (6)
1. an inversion type chasing bar, comprise base (1), be fixed on the column (2) on described base (1), be arranged on the workbench (3) on this column (2), clamping mechanism (4), and the drive unit of screw tap (5) and this screw tap of manipulation (5), it is characterized in that: described workbench (3) is provided with through hole (31) from top to down, described screw tap (5) is stretched in this through hole (31) by workbench (3) below and carries out tapping, described through hole (31) below is provided with air feed shower nozzle (6), this air feed shower nozzle (6) is connected with forced air supply mechanism.
2. inversion type chasing bar according to claim 1, it is characterized in that: described drive unit comprises drive motors (7), the belt pulley (8) driven by this drive motors (7), clutch (9), handle shift fork (10) and operator handle (11) of this clutch (9), be installed in rotation on the main shaft (12) on base (1) and be arranged on the tap chuck (13) on this main shaft (12) top, wherein, clutch (9) is socketed on main shaft (12), and be connected with belt pulley (8) by driving belt, described operator is wholely set (11) near-end and shift fork (10), described base (1) is provided with hand support (14), described operator handle (11) middle part and this hand are hinged for support (14), operator is handle (11) far-end, operator near handle is provided with extension spring (15) on (11), this extension spring (15) is connected with described workbench (3).
3. inversion type chasing bar according to claim 2, it is characterized in that: described forced air supply mechanism comprises the tracheae (16) be connected with air compressor machine and the magnetic valve (17) be arranged on described tracheae (16), described air feed shower nozzle (6) is arranged on this tracheae (16) end, described hand has the travel switch (18) of Controlling solenoid valve (17) break-make support (14) arranged outside, the trip switch (18) is arranged on operator immediately below (11), and is positioned at this operator (11) are pressed down stroke range.
4. the inversion type chasing bar according to claim 1 or 2 or 3, it is characterized in that: described clamping mechanism (4) comprises the longitudinal carrier (41) be arranged on vertically on workbench (3), be fixed on the chute supported plate (42) on this longitudinal carrier (41) top, this chute supported plate (42) is parallel with workbench (3), and there is the via hole (43) of up/down perforation, one depression bar (44) is slidably through this via hole (43), described depression bar (44) lower end is provided with pressing plate (45), upper end thereof has casting die handle (46), this casting die handle (46) stage casing and pressure handle support (47) hinged, described pressure handle support (47) is fixed on chute supported plate (42).
5. inversion type chasing bar according to claim 4, it is characterized in that: the upper cover of one section of depression bar (44) between described pressing plate (45) and chute supported plate (42) has stage clip (48), this stage clip (48) upper end abuts with chute supported plate (42) lower surface, and lower end abuts with pressing plate (45) upper surface.
6. inversion type chasing bar according to claim 1, it is characterized in that: the through hole (31) on described workbench (3) is embedded with centring ring (32), described centring ring (32) middle part is provided with the detection and location hole (32a) of up/down perforation, this centring ring (32) lower end is stretched in through hole (31), upper end is connected on the upper surface of workbench (3) by outward extending boss (32b), and described detection and location hole (32a) and through hole (31) are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420479192.4U CN204035720U (en) | 2014-08-22 | 2014-08-22 | Inversion type chasing bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420479192.4U CN204035720U (en) | 2014-08-22 | 2014-08-22 | Inversion type chasing bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204035720U true CN204035720U (en) | 2014-12-24 |
Family
ID=52236430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420479192.4U Withdrawn - After Issue CN204035720U (en) | 2014-08-22 | 2014-08-22 | Inversion type chasing bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204035720U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209602A (en) * | 2014-08-22 | 2014-12-17 | 重庆诚缘机械有限公司 | Inverted threading machine |
-
2014
- 2014-08-22 CN CN201420479192.4U patent/CN204035720U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209602A (en) * | 2014-08-22 | 2014-12-17 | 重庆诚缘机械有限公司 | Inverted threading machine |
| CN104209602B (en) * | 2014-08-22 | 2016-08-24 | 重庆诚缘机械有限公司 | Inversion type tapping machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141224 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |