CN2582804Y - Inner die threading machine for punch press - Google Patents
Inner die threading machine for punch press Download PDFInfo
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- CN2582804Y CN2582804Y CN 02249541 CN02249541U CN2582804Y CN 2582804 Y CN2582804 Y CN 2582804Y CN 02249541 CN02249541 CN 02249541 CN 02249541 U CN02249541 U CN 02249541U CN 2582804 Y CN2582804 Y CN 2582804Y
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- gear
- screw
- screw rod
- double threaded
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Abstract
The utility model relates to an inner die threading machine for a punch press. The utility model comprises an upper die plate connected with a punch head of the punch press and a lower die plate arranged on the worktable surface of the punch press, wherein, a punch rod group composed of at least one piece of punch rod, a gear transmission mechanism driven by the punch rod group and a threading mechanism which is provided with a screw tap and is driven by the gear transmission mechanism are arranged between the upper die plate and the lower die plate. The threading mechanism is connected with an end gear of the gear transmission mechanism. The punch rods of the punch rod group are screw rods provided with at least two screw thread lines, wherein, the lower section of a last stage screw of the punch rod group can move up and down and can be sheathed in a main driving gear of the gear transmission mechanism. In addition, the lower section of the last stage screw can synchronously drives the main driving gear to rotate. The utility model is characterized in that the purpose of inner die threading can be realized only by utilizing single rod transmission because a set of devices which is composed of a double-head screw rod, a gear transmission mechanism and a chuck mechanism provided with a screw tap and is adopted for converting the up-down straight line movement of the punch press to the downward threading rotation of the screw tap. Thereby, the utility model has the advantages of simplification of complete machine structure, manufacture cost decrease, and convenient installation.
Description
Technical field
The utility model relates to the mould that a kind of punch press is used, particularly a kind of interior tapping machine of mould of realizing tapping in the mould.
Background technology
The existing handware particularly processing of five metals plate adopts punching press usually, this processing method not only efficient height, processing cost is low, and the part that processes also has the advantage of steady quality, uniform specification, but also there is certain limitation in this manufacture method, generally be used for metal sheet and open material, the processing of the global formation of punching and part.And when part was provided with threaded hole, the processing of this screwed hole then will be finished by other operation, as manual tapping or motor-driven tapping in miscellaneous equipment.Though adopt the efficient of above-mentioned manufacture method stamping procedure very high, after punch process was finished, the processing in double thread hole needed the time spent more, is difficult to prepare mutually with punch process, causes the part processing progress slow, had restricted the efficient of producing.For addressing the above problem, Chinese patent ZL95227665.8 discloses tapping device in a kind of automatic mold, its structure is for fixedly installing a movable plate body that can be subjected to its drive on the ram axle of the upper and lower displacement of punch press, the fixed plate body of movable plate body and its below forms the sliding sleeve winding with the elastic shaft bar, the tooth seat that tapping is installed is arranged at the rear of punch press head device, and the upper and lower displacement of dependence activity plate body drives the change gear device that is made into screw rod group, and then drives the tooth that is set in the tooth seat and attack punching position carrying out tapping.Screw rod in this structure is a single head Rotary rod type structure, when driving the change gear device rotation, because of the screw axial force resolution, the required radial load of transmission is reduced, the transmission torque is weakened, in addition, but on each gear shaft of change gear device because of there not being to be provided with the bearing of bearing radial force and axial force, in use for some time, because power transmission shaft is subjected to the effect of radial load and axial force, easily produce the distortion of axle and the axial displacement of axle, the phenomenon that causes transmission the tooth tapping now not to be fractureed, in addition, unsettled transmission mechanism can directly have influence on the quality of screw in the part.
Summary of the invention
The purpose of this utility model is at above-mentioned existing problems, provides a kind of simple in structure, driving force apart from big and tapping machine in steady, the reliable and durable mould can make the upper and lower action of screw tap the time.
A kind of punch press tapping machine in the mould, comprise cope match-plate pattern that is connected with the punch press drift and the lower bolster that is installed on the punch press work top, on described, the gear drive that is provided with the jumper bar group formed by at least one jumper bar between the lower bolster and drives by the jumper bar group and be connected with the terminal gear of gear drive and by the tapping mechanism that screw tap is housed of gear drive driving, on described, lower bolster is provided with on each jumper bar, mobile down hollow hole, each jumper bar of above-mentioned jumper bar group is the screw rod with at least two threaded line, and the final stage screw rod hypomere of wherein above-mentioned jumper bar group can be gone up, be nested with to following motion in the main drive gear of gear drive and the rotation of driven in synchronism main drive gear.
For the stationarity that guarantees gear drive and make input end gear have certain mechanical strength and rigidity, the above-mentioned main gear middle part that passes is provided with through hole vertically, described double end nut is fixedly installed in the through hole, is provided with a pair of centripetal thrust force roller bearing at double end nut outer wall two ends.
The utility model is owing to adopted a cover by double threaded screw on punch press, gear drive and be equipped with that the tapping mechanism of screw tap forms with on the punch press, following rectilinear motion is converted to the device of the rotation tapping of screw tap, particularly adopted the type of drive of double threaded screw, not only improved the helical pitch of screw tap unit interval, and strengthened the driving force in the transmission mechanism, make its need just can realize the purpose of tapping in the mould with the single pole transmission, thereby simplified the structure of complete machine, reduced manufacturing cost, also make simultaneously installation more convenient, again owing to the centripetal thrust force roller bearing that is provided with at double end nut two ends outer wall, the axially loaded that radially reaches of axle is improved, guaranteed the stationarity of transmission, screw tap can not damaged because of vibration, fracture, and the screw of tapping has good quality and the high advantage of product qualified rate.
The utility model is described in further detail below in conjunction with accompanying drawing:
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is another example structure schematic diagram of the utility model.
The specific embodiment
In the mould tapping machine be with punch press as the processing machine tool, its main improvement part is that the upper and lower linear reciprocating motion with punch press is converted into by the rotatablely moving of transmission mechanism interlock, thereby realizes the tapping of screw tap to the hole.The technical solution of the utility model as shown in Figure 1, a kind of punch press tapping machine in the mould, comprise cope match-plate pattern 1 that is connected with the punch press drift and the lower bolster 2 that is installed on the punch press work top, on described, the gear drive that is provided with the jumper bar group formed by at least one jumper bar 3 between the lower bolster 12 and drives by the jumper bar group and be connected with the terminal gear 8 of gear drive and by the tapping mechanism 10 that screw tap 9 is housed of gear drive driving, on described, lower bolster 1,2 are provided with on each jumper bar, mobile down hollow hole, the screw rod of each jumper bar 3 for having at least two threaded line of above-mentioned jumper bar group, the final stage screw rod hypomere of wherein above-mentioned jumper bar group can be gone up, be nested with to following motion in the main drive gear 12 of gear drive and 12 rotations of driven in synchronism main drive gear.Above-mentioned jumper bar group is a double threaded screw with screw rod formation of two threaded line, this double threaded screw epimere is provided with the patrix 7 that can fixedly connected with cope match-plate pattern 1, the upper surface of above-mentioned lower bolster 2 is provided with the counterdie 6 of fixedlying connected with it, described counterdie 6 comprises upper module 4 and lower module 5, be provided with in this upper and lower module 4,5 can ccontaining gear drive cavity.Main drive gear 12 middle parts in the described gear drive are provided with through hole vertically, be provided with in the through hole and install with its tight fit and can realize and the double end nut 11 with two threaded line of double threaded screw interlock that these double end nut 11 two ends outer walls are provided with a pair of centripetal thrust force needle bearing 13.Described tapping mechanism 10 comprises helical pitch swivel nut 14 and the helical pitch screw rod 15 that spins mutually with helical pitch swivel nut 14 inner bolt holes, and described helical pitch screw rod 15 cylindricals are provided with at least two guiding keyways vertically.And the not end tooth in gear drive is taken turns 8 endoporus and is provided with at least two protruding keys that match with helical pitch screw rod guiding keyway, and the protruding key of above-mentioned helical pitch screw rod by guiding keyway and terminal gear 8 endoporus matches and make helical pitch screw rod 15 can do upper and lower rotatablely moving.In addition, helical pitch screw rod 15 is provided with the through hole of installing for screw tap 9, and the top of described through hole is provided with tap holder 16, and the lower end of this tap holder 16 is provided with chuck suitable with the screw tap afterbody and that screw tap can be clamped.For guaranteeing the lubricated of complete machine running part and reduce the stream time of friction and abrasion, raising complete machine between each driving member that described counterdie is provided with at least two lubricating oil oilholes that communicate with die cavity, is provided with unidirectional fuel tap in the hole.As shown in Figure 2, above-mentioned jumper bar group also can adopt three double threaded screws that have two threaded line respectively are set between upper and lower mould, wherein: article one double threaded screw epimere and patrix are fixedly connected, the gear that the double end nut is housed 35 in its hypomere and the counterdie cavity drives mutually and connects, and the lower bolster 2 of article one double threaded screw below is provided with for the upper and lower mobile hollow hole of this double threaded screw; Second double threaded screw hypomere be provided with fixedly connected with it and with said gear 35 meshed gears 37, this gear 37 is a pair of meshing gear with same gear ratios with said gear 35, can realize the synchronous rotation of second double threaded screw and article one double threaded screw by the said gear transmission, the gear that the double end nut is housed 33 in described second double threaded screw epimere and the patrix cavity drives mutually and connects, and the cope match-plate pattern 1 of this double threaded screw top is provided with for its upper and lower mobile hollow hole; Article three, the double threaded screw epimere be provided with fixedly connected with it and with said gear 33 meshed gears 34, this gear 34 is a pair of meshing gear with same gear ratios with said gear 33, can realize the driven in synchronism of the 3rd double threaded screw and article one, second double threaded screw by the said gear transmission.The main drive gear that double end nut 11 is housed 12 in the hypomere of described the 3rd double threaded screw and the counterdie cavity drives mutually and connects and the lower bolster 2 of the 3rd double threaded screw below is provided with for the upper and lower mobile hollow hole of this double threaded screw.Described main drive gear 12 drives mutually with the tapping that screw tap 9 is housed by gear drive and by the terminal gear 8 of gear drive and connects, thereby reaches the realization of tapping mechanism plug tap action.Simultaneously, be to guarantee the stationarity of transmission, the gear 33,34 of above-mentioned setting and patrix and gear 35,36,37 both sides that are arranged at counterdie are equipped with a pair of centripetal thrust force roller bearing.In addition, for further enlarging the scope of part processing, particularly to there being certain thickness part to implement processing, above-mentioned screw rod can be made three or four-head screw rod with three or four threaded line.So not only can improve the helical pitch of unit interval screw tap, but also can improve the transmission torque, can adapt to the processing of thicker part.In actual applications, the helical pitch of above-mentioned screw tap also can be finely tuned by the mode of shimming between cope match-plate pattern and patrix.
Claims (10)
1, a kind of punch press tapping machine in the mould, comprise cope match-plate pattern (1) that is connected with the punch press drift and the lower bolster (2) that is installed on the punch press work top, on described, the gear drive that is provided with the jumper bar group formed by at least one jumper bar (3) between the lower bolster (1) (2) and drives by the jumper bar group and be connected with the terminal gear (8) of gear drive and by the tapping mechanism (10) that screw tap (9) is housed of gear drive driving, on described, lower bolster (1) (2) is provided with on each jumper bar, mobile down hollow hole, it is characterized in that the screw rod of each jumper bar (3) for having at least two threaded line of above-mentioned jumper bar group, the final stage screw rod hypomere of wherein above-mentioned jumper bar group can be gone up, be nested with to following motion in the main drive gear (12) at gear drive and driven in synchronism main drive gear (12) rotation.
2, tapping machine in the mould according to claim 1 is characterized in that the double threaded screw that above-mentioned jumper bar group forms for the screw rod that has two threaded line by, and this double threaded screw epimere is provided with the patrix (7) that can fixedly connected with cope match-plate pattern (1).
3, tapping machine in the mould according to claim 2, the upper surface that it is characterized in that above-mentioned lower bolster (2) is provided with the counterdie (6) of fixedlying connected with it, described counterdie comprises upper module (4) and lower module (5), be provided with in this upper and lower module (4) (5) can ccontaining gear drive cavity.
4, tapping machine in the mould according to claim 2, main drive gear (12) middle part that it is characterized in that the said gear transmission mechanism is provided with through hole vertically, be provided with in this through hole and install with its tight fit and can realize and the double end nut (11) with two threaded line of described double threaded screw interlock that this double end nut (11) two ends outer wall is provided with a pair of centripetal thrust force needle bearing (13).
5, tapping machine in the mould according to claim 1, it is characterized in that above-mentioned tapping mechanism (10) comprises helical pitch swivel nut (14) and the helical pitch screw rod (15) that spins mutually with helical pitch swivel nut (14) inner bolt hole, described helical pitch screw rod (15) is provided with the through hole of installing for above-mentioned screw tap (9), the top of described this through hole is provided with tap holder (16), and the lower end of this tap holder (16) is provided with chuck suitable with the screw tap afterbody and that screw tap can be clamped.
6, tapping machine in the mould according to claim 5, it is characterized in that above-mentioned helical pitch screw rod (15) cylindrical is provided with at least two guiding keyways vertically, terminal gear (8) endoporus of said gear transmission mechanism is provided with at least two protruding keys that match with helical pitch screw rod (15) guiding keyway, and the protruding key of above-mentioned helical pitch screw rod by lead keyway and terminal gear (8) endoporus matches and make helical pitch screw rod (15) can do upper and lower rotatablely moving.
7, tapping machine in the mould according to claim 3, it is characterized in that being provided with in the described counterdie (2) at least two with upper and lower module between the lubricating oil oilhole (18) that communicates of cavity, be provided with unidirectional fuel tap in this oilhole.
8, tapping machine in the mould according to claim 1 is characterized in that above-mentioned jumper bar group is made up of three double threaded screws that have two threaded line respectively, wherein:
Article one, double threaded screw epimere and patrix are fixedly connected, and the gear that the double end nut is housed (35) in its hypomere and the counterdie cavity drives mutually and connects, and the lower bolster (2) of article one double threaded screw below is provided with for the upper and lower mobile hollow hole of this double threaded screw;
Second double threaded screw hypomere be provided with fixedly connected with it and with said gear (35) meshed gears (37), this gear (37) is a pair of meshing gear with same gear ratios with said gear (35), the gear that the double end nut is housed (33) in described second double threaded screw epimere and the patrix cavity drives mutually and connects, and the cope match-plate pattern (1) of this double threaded screw top is provided with for its upper and lower mobile hollow hole;
Article three, the double threaded screw epimere be provided with fixedly connected with it and with said gear (33) meshed gears (34), this gear (34) and said gear (33) be a pair of meshing gear with same gear ratios, the hypomere of described the 3rd double threaded screw and the main drive gear that double end nut (11) are housed (12) in the counterdie cavity drive mutually connect and the 3rd double threaded screw below lower bolster (2) be provided with the upper and lower mobile hollow hole of this double threaded screw of confession.
9, tapping machine in the mould according to claim 8 is characterized in that said gear (33) (34) and gear (35) (12) (37) both sides are respectively equipped with a pair of centripetal thrust force roller bearing.
10, tapping machine in the mould according to claim 1 is characterized in that above-mentioned each screw rod is three or a four-head screw rod with three or four threaded line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02249541 CN2582804Y (en) | 2002-11-15 | 2002-11-15 | Inner die threading machine for punch press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02249541 CN2582804Y (en) | 2002-11-15 | 2002-11-15 | Inner die threading machine for punch press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2582804Y true CN2582804Y (en) | 2003-10-29 |
Family
ID=33719952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02249541 Expired - Lifetime CN2582804Y (en) | 2002-11-15 | 2002-11-15 | Inner die threading machine for punch press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2582804Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737126A (en) * | 2013-12-25 | 2014-04-23 | 惠州安特科技工业有限公司 | Novel in-mold tapping machine |
| CN104907645A (en) * | 2015-06-01 | 2015-09-16 | 东莞市森川机械工具有限公司 | Anti-blocking in-mold tapping machine |
| CN106112644A (en) * | 2016-06-20 | 2016-11-16 | 东莞市森川机械工具有限公司 | There is beveler in the mould of cylinder slow release driving function |
| CN106624947A (en) * | 2016-11-02 | 2017-05-10 | 东莞市森川机械工具有限公司 | Small-transmission-space in-mold chamfering machine with servo motor for tool feeding and retracting |
| CN110576226A (en) * | 2019-06-19 | 2019-12-17 | 青岛经济技术开发区海尔热水器有限公司 | Progressive die with tapping device and tapping equipment |
| CN111993084A (en) * | 2020-09-16 | 2020-11-27 | 东莞市深动精密机械有限公司 | Double-screw driving type in-mold tapping machine |
| CN113103003A (en) * | 2020-10-11 | 2021-07-13 | 李文彬 | Cold stamping die capable of automatically tapping in die |
-
2002
- 2002-11-15 CN CN 02249541 patent/CN2582804Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737126A (en) * | 2013-12-25 | 2014-04-23 | 惠州安特科技工业有限公司 | Novel in-mold tapping machine |
| CN104907645A (en) * | 2015-06-01 | 2015-09-16 | 东莞市森川机械工具有限公司 | Anti-blocking in-mold tapping machine |
| CN106112644A (en) * | 2016-06-20 | 2016-11-16 | 东莞市森川机械工具有限公司 | There is beveler in the mould of cylinder slow release driving function |
| CN106624947A (en) * | 2016-11-02 | 2017-05-10 | 东莞市森川机械工具有限公司 | Small-transmission-space in-mold chamfering machine with servo motor for tool feeding and retracting |
| CN106624947B (en) * | 2016-11-02 | 2019-07-12 | 东莞市森川机械工具有限公司 | The small transmission spatial mode inner chamfer machine of servo motor forward and back knife |
| CN110576226A (en) * | 2019-06-19 | 2019-12-17 | 青岛经济技术开发区海尔热水器有限公司 | Progressive die with tapping device and tapping equipment |
| CN111993084A (en) * | 2020-09-16 | 2020-11-27 | 东莞市深动精密机械有限公司 | Double-screw driving type in-mold tapping machine |
| CN113103003A (en) * | 2020-10-11 | 2021-07-13 | 李文彬 | Cold stamping die capable of automatically tapping in die |
| CN113103003B (en) * | 2020-10-11 | 2024-09-13 | 李文彬 | Cold stamping die capable of automatically tapping threads in die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20121115 Granted publication date: 20031029 |