CN111993084A - Double-screw driving type in-mold tapping machine - Google Patents

Double-screw driving type in-mold tapping machine Download PDF

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Publication number
CN111993084A
CN111993084A CN202010971479.9A CN202010971479A CN111993084A CN 111993084 A CN111993084 A CN 111993084A CN 202010971479 A CN202010971479 A CN 202010971479A CN 111993084 A CN111993084 A CN 111993084A
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CN
China
Prior art keywords
gear
nut
transmission
double
box body
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Pending
Application number
CN202010971479.9A
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Chinese (zh)
Inventor
李生辉
李文辉
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Dongguan Shenzhen Precision Machinery Co ltd
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Dongguan Shenzhen Precision Machinery Co ltd
Priority date (The priority date 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 date listed.)
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Application filed by Dongguan Shenzhen Precision Machinery Co ltd filed Critical Dongguan Shenzhen Precision Machinery Co ltd
Priority to CN202010971479.9A priority Critical patent/CN111993084A/en
Publication of CN111993084A publication Critical patent/CN111993084A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/04Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02Stamping using rigid devices or tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00Thread cutting; Automatic machines specially designed therefor
    • B23G1/44Equipment or accessories specially designed for machines or devices for thread cutting

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Gear Transmission (AREA)

Abstract

The invention discloses a double-screw driving type in-mold tapping machine, which comprises a lower double-nut seat; the top of the lower double-nut seat is fixedly provided with a first transmission nut and a bearing seat mounting plate at intervals from left to right; the bearing seat mounting plate is fixedly provided with a bearing seat; a second transmission nut is arranged on the bearing seat; the lower half part of the second transmission nut is in running fit with the inside of the bearing seat; an upper double-nut seat corresponding to the lower double-nut seat is arranged right above the lower double-nut seat; the left side and the right side of the interior of the upper double nut seat are respectively provided with two first bearings and two second bearings at intervals; a first gear rotationally connected with the inner ring of the bearing is arranged between the two first bearings; a second gear rotationally connected with the bearing inner ring is arranged between the two second bearings; the first gear is in gear fit with the second gear; a first transmission screw matched with the first transmission nut in a threaded manner is vertically arranged between the first gear and the first transmission nut.

Description

Double-screw driving type in-mold tapping machine
Technical Field
The invention relates to the technical field of in-mold tapping machines, in particular to a double-screw driving type in-mold tapping machine.
Background
The in-mold tapping machine is also called as an in-mold tapping machine, is a device specially used for forming threads, can avoid the secondary processing procedure of a stamping part due to the integration of stamping and tapping, reduces the cost, improves the production efficiency, has high precision and good strength of the formed threads, is suitable for a continuous forming die or a forward-feeding type extension die, and is a tapping processing technology with a good prospect; the working principle of the mechanical in-mold tapping machine is as follows: the screw rod of the tapping machine is driven to move up and down through the punch press sliding block, the screw rod transmits linear motion to the nut, the screw rod and the nut convert the linear motion into positive and negative rotation motion, and the positive and negative rotation motion is transmitted to the screw tap chuck through the gear set, so that the screw tap tapping operation is driven;
the intramode tapping machine on the market at present has the following problems: when a large tooth or a plurality of large teeth are encountered, such as M20, a very large force is applied during tapping, and when the tapping machine is designed, because the in-mold tapping machine is a speed-increasing gear transmission mechanism, the stroke of the punch press is required to be very large, the tapping machine obtains large screw stroke transmission so as to reduce the transmission ratio and further reduce the stress of a transmission part of the tapping machine; the existing punching machine stroke of a user cannot meet the design requirement of the tapping machine, and a large amount of cost is required to be added when a new punching machine is purchased, so that the in-mold tapping technology is difficult to introduce.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned deficiencies and providing a solution to at least one of the problems set forth above.
A double-screw driving type in-mold tapping machine comprises a lower double-nut seat; the top of the lower double-nut seat is fixedly provided with a first transmission nut and a bearing seat mounting plate at intervals from left to right; the bearing seat mounting plate is fixedly provided with a bearing seat; a second transmission nut is arranged on the bearing seat; the lower half part of the second transmission nut is in running fit with the inside of the bearing seat; an upper double-nut seat corresponding to the lower double-nut seat is arranged right above the lower double-nut seat; the left side and the right side of the interior of the upper double nut seat are respectively provided with two first bearings and two second bearings at intervals; a first gear rotationally connected with the inner ring of the bearing is arranged between the two first bearings; a second gear rotationally connected with the bearing inner ring is arranged between the two second bearings; the first gear is in gear fit with the second gear; a first transmission screw rod in threaded fit with the first transmission nut is vertically arranged between the first gear and the first transmission nut; a second transmission screw rod in threaded fit with the second transmission nut is vertically arranged between the second gear and the second transmission nut; the second transmission screw is provided with a transmission mechanism for driving the second transmission screw to move.
Preferably, the transmission mechanism comprises a main transmission mechanism and an auxiliary transmission mechanism; the auxiliary transmission mechanism comprises a first box body consisting of a first lower box body and a first upper box body corresponding to the first lower box body; a third gear, a fourth gear and a fifth gear are sequentially arranged in the first box body from left to right; the third gear is meshed with the fourth gear, and the fourth gear is meshed with the fifth gear; the upper side and the lower side of the fourth gear and the fifth gear are both matched with a third bearing in a rotating way; the main transmission mechanism comprises a second box body consisting of a second lower box body and a second upper box body corresponding to the second lower box body; a sixth gear and a seventh gear are sequentially arranged in the second box body from left to right; the upper side and the lower side of the sixth gear are both matched with a fourth bearing in a rotating way; the fifth gear is meshed with the sixth gear; a chuck seat is vertically arranged on the second box body; the bottom of the chuck seat is provided with an extrusion screw tap; and the extrusion screw tap is fixedly connected with the inner ring of the seventh gear.
Preferably, the bottom of the second lower box body is fixedly provided with an installation plate; the front side and the rear side of the mounting plate are respectively provided with a front pressing plate and a rear pressing plate; fastening blocks are arranged on the left sides of the front pressure plate and the rear pressure plate; a fastening plate is arranged on the left side of the mounting plate; the fastening plate is clamped with the fastening block.
Preferably, the side surfaces of the first lower box body and the second upper box body are respectively provided with an oil nozzle communicated with the first lower box body and the second upper box body.
Preferably, four positioning grooves are formed in the outer wall of the second transmission nut at equal intervals; a positioning block corresponding to the positioning groove is formed on the inner wall of the third gear; the positioning blocks are clamped with the corresponding positioning grooves.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a double-screw driving type in-mold tapping machine which is provided with two transmission screw mechanisms, wherein when a punch drives an upper double-nut seat to do linear motion, a first transmission screw and a second transmission screw do rotary motion along with one side down, the rotary motion of the second transmission screw drives a second transmission nut to do rotary motion, and the number of the rotation circles of gears is doubled.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of a first drive nut of the present invention.
FIG. 3 is a schematic view of a positioning groove structure of the present invention.
Fig. 4 is a schematic view of the structure of the fastening plate of the present invention.
In the figure: a lower double nut seat 1; a first drive nut 2; a bearing seat mounting plate 3; a bearing seat 4; a second drive nut 5; an upper double nut seat 6; a first bearing 7; a second bearing 8; a first gear 9; a second gear 10; a first drive screw 11; a second drive screw 12; a first lower case 20; a first upper case 21; a third gear 22; a fourth gear 23; a fifth gear 24; a third bearing 25; a second lower case 26; a second upper case 27; a sixth gear 28; a seventh gear 29; a fourth bearing 30; a chuck base 31; a front platen 35; a rear platen 32; a fastening block 33; a fastening plate 34; a press tap 36; a nipple 40; a positioning groove 41; a positioning block 42.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in an embodiment of the present invention, a twin-screw driving type in-mold tapping machine includes a lower double nut seat 1; the top of the lower double-nut seat 1 is fixedly provided with a first transmission nut 2 and a bearing seat mounting plate 3 at intervals from left to right; a bearing seat 4 is fixedly arranged on the bearing seat mounting plate 3; a second transmission nut 5 is arranged on the bearing seat 4; the lower half part of the second transmission nut 5 is in running fit with the inside of the bearing block 4; an upper double-nut seat 6 corresponding to the lower double-nut seat 1 is arranged right above the lower double-nut seat; the left side and the right side of the interior of the upper double-nut seat 6 are respectively provided with two first bearings 7 and two second bearings 8 at intervals; a first gear 9 which is rotationally connected with the inner ring of the bearing is arranged between the two first bearings 7; a second gear 10 which is rotationally connected with the inner ring of the bearing is arranged between the two second bearings 8; the first gear 9 and the second gear 10 are in gear fit; a first transmission screw 11 in threaded fit with the first transmission nut 2 is vertically arranged between the first gear 9 and the first transmission nut 2; a second transmission screw 12 in threaded fit with the second transmission nut 5 is vertically arranged between the second gear 10 and the second transmission nut 5; the second drive screw 12 is provided with a drive mechanism.
Preferably, the transmission mechanism comprises a main transmission mechanism and an auxiliary transmission mechanism; the auxiliary transmission mechanism comprises a first box body consisting of a first lower box body 20 and a first upper box body 21 corresponding to the first lower box body 20; a third gear 22, a fourth gear 23 and a fifth gear 24 are sequentially arranged in the first box body from left to right; the third gear 22 is meshed with the fourth gear 23, and the fourth gear 23 is meshed with the fifth gear 24; the upper side and the lower side of the fourth gear 23 and the fifth gear 24 are respectively matched with a third bearing 25 in a rotating way; the main transmission mechanism comprises a second box body consisting of a second lower box body 26 and a second upper box body 27 corresponding to the second lower box body 26; a sixth gear 28 and a seventh gear 29 are sequentially arranged in the second box body from left to right; the upper side and the lower side of the sixth gear 28 are both matched with a fourth bearing 30 in a rotating way; the fifth gear 24 meshes with the sixth gear 28; a clamping head seat 31 is vertically arranged on the second box body; the bottom of the chuck seat 31 is provided with an extrusion tap 36; the tap 36 is fixedly connected to the inner ring of the seventh gear 29.
Preferably, the bottom of the second lower box 26 is fixedly provided with a mounting plate 30; the front side and the rear side of the mounting plate 30 are respectively provided with a front pressing plate 31 and a rear pressing plate 32; the left sides of the front pressure plate 31 and the rear pressure plate 32 are both provided with a fastening block 33; a fastening plate 34 is arranged at the left side of the mounting plate 30; the fastening plate 34 is engaged with the fastening block 33.
Preferably, the oil nipple 40 is provided on the side surface of each of the first lower case 20 and the second upper case 27.
Preferably, four positioning grooves 41 are formed on the outer wall of the second transmission nut 5 at equal intervals; a positioning block 42 corresponding to the positioning groove 41 is formed on the inner wall of the third gear 22; the positioning block 42 is clamped with the corresponding positioning groove 41.
The lower double-nut seat 1 is fixedly arranged and is connected with the upper double-nut seat 6 through a punch; the punch drives the upper double-nut seat 6 to do linear motion, the first transmission screw 11 and the second transmission screw 12 are respectively in threaded connection with the first transmission nut 2 and the second transmission nut 5, when the punch does vertical linear motion, the first transmission screw 11 and the second transmission screw 12 are driven to do rotary motion, and when the second transmission screw 12 does rotary motion, the third gear 22, the fourth gear 23, the fifth gear 24, the sixth gear 28 and the seventh gear 29 also do rotary motion; rotation of the seventh gear 29 imparts rotational motion to the tap 36.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (5)

1. A double-screw driving type in-mold tapping machine is characterized by comprising a lower double-nut seat; the top of the lower double-nut seat is fixedly provided with a first transmission nut and a bearing seat mounting plate at intervals from left to right; the bearing seat mounting plate is fixedly provided with a bearing seat; a second transmission nut is arranged on the bearing seat; the lower half part of the second transmission nut is in running fit with the inside of the bearing seat; an upper double-nut seat corresponding to the lower double-nut seat is arranged right above the lower double-nut seat; the left side and the right side of the interior of the upper double nut seat are respectively provided with two first bearings and two second bearings at intervals; a first gear rotationally connected with the inner ring of the bearing is arranged between the two first bearings; a second gear rotationally connected with the bearing inner ring is arranged between the two second bearings; the first gear is in gear fit with the second gear; a first transmission screw rod in threaded fit with the first transmission nut is vertically arranged between the first gear and the first transmission nut; a second transmission screw rod in threaded fit with the second transmission nut is vertically arranged between the second gear and the second transmission nut; the second transmission screw is provided with a transmission mechanism for driving the second transmission screw to move.
2. The twin-screw drive type in-mold tapping machine according to claim 1, wherein the transmission mechanism comprises a main transmission mechanism and an auxiliary transmission mechanism; the auxiliary transmission mechanism comprises a first box body consisting of a first lower box body and a first upper box body corresponding to the first lower box body; a third gear, a fourth gear and a fifth gear are sequentially arranged in the first box body from left to right; the third gear is meshed with the fourth gear, and the fourth gear is meshed with the fifth gear; the upper side and the lower side of the fourth gear and the fifth gear are both matched with a third bearing in a rotating way; the main transmission mechanism comprises a second box body consisting of a second lower box body and a second upper box body corresponding to the second lower box body; a sixth gear and a seventh gear are sequentially arranged in the second box body from left to right; the upper side and the lower side of the sixth gear are both matched with a fourth bearing in a rotating way; the fifth gear is meshed with the sixth gear; a chuck seat is vertically arranged on the second box body; the bottom of the chuck seat is provided with an extrusion screw tap; and the extrusion screw tap is fixedly connected with the inner ring of the seventh gear.
3. The double-screw driving type in-mold tapping machine as claimed in claim 2, wherein a mounting plate is fixedly provided at the bottom of the second lower box; the front side and the rear side of the mounting plate are respectively provided with a front pressing plate and a rear pressing plate; fastening blocks are arranged on the left sides of the front pressure plate and the rear pressure plate; a fastening plate is arranged on the left side of the mounting plate; the fastening plate is clamped with the fastening block.
4. The double-screw driving type in-mold tapping machine as claimed in claim 2, wherein the side surfaces of the first lower box and the second upper box are provided with oil nipples communicating therewith.
5. The twin-screw drive type in-mold tapping machine according to claim 2, wherein the outer wall of the second drive nut is formed with four positioning grooves at equal intervals; a positioning block corresponding to the positioning groove is formed on the inner wall of the third gear; the positioning blocks are clamped with the corresponding positioning grooves.
CN202010971479.9A 2020-09-16 2020-09-16 Double-screw driving type in-mold tapping machine Pending CN111993084A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010971479.9A CN111993084A (en) 2020-09-16 2020-09-16 Double-screw driving type in-mold tapping machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010971479.9A CN111993084A (en) 2020-09-16 2020-09-16 Double-screw driving type in-mold tapping machine

Publications (1)

Publication Number Publication Date
CN111993084A true CN111993084A (en) 2020-11-27

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Application Number Title Priority Date Filing Date
CN202010971479.9A Pending CN111993084A (en) 2020-09-16 2020-09-16 Double-screw driving type in-mold tapping machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113681094A (en) * 2021-08-09 2021-11-23 北京航天控制仪器研究所 Main shaft displacement type tapping tool and tapping method

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0537426U (en) * 1991-10-22 1993-05-21 株式会社アマダ Tapping device
CA2390268A1 (en) * 2001-07-27 2003-01-27 Danly Iem, Division Of Connell Limited Partnership In die tapping unit
CN2582804Y (en) * 2002-11-15 2003-10-29 冯远文 Inner die threading machine for punch press
KR200414589Y1 (en) * 2006-01-16 2006-04-24 구서 Device of Processing Inside Diameter for Bolt Trimming Dies
WO2006112163A1 (en) * 2005-03-31 2006-10-26 Thk Co., Ltd. Propulsion force transmission device
CN101585101A (en) * 2009-06-18 2009-11-25 安特(苏州)精密机械有限公司 Electric threading apparatus in punching die
CN202291036U (en) * 2011-10-24 2012-07-04 中国华录·松下电子信息有限公司 Progressive stamping die with intra-die tapping device
CN202591758U (en) * 2012-05-04 2012-12-12 惠州安特科技工业有限公司 Intramode tapping machine
CN103223535A (en) * 2013-04-17 2013-07-31 黄剑辉 Overall-hanging intra-mould tapping device
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
CN104690377A (en) * 2015-01-13 2015-06-10 惠州市利祥金属制品有限公司 Method capable of realizing in-die tapping of punched parts
CN208680708U (en) * 2018-08-24 2019-04-02 扬州汇翔精密冲件有限公司 A kind of tapping head of hardware stamping mould tapping machine
CN210703571U (en) * 2019-06-18 2020-06-09 上海汇冲精密机械制造有限公司 Efficient in-mold tapping device
CN212823881U (en) * 2020-09-16 2021-03-30 东莞市深动精密机械有限公司 Double-screw driving type in-mold tapping machine

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0537426U (en) * 1991-10-22 1993-05-21 株式会社アマダ Tapping device
CA2390268A1 (en) * 2001-07-27 2003-01-27 Danly Iem, Division Of Connell Limited Partnership In die tapping unit
CN2582804Y (en) * 2002-11-15 2003-10-29 冯远文 Inner die threading machine for punch press
WO2006112163A1 (en) * 2005-03-31 2006-10-26 Thk Co., Ltd. Propulsion force transmission device
KR200414589Y1 (en) * 2006-01-16 2006-04-24 구서 Device of Processing Inside Diameter for Bolt Trimming Dies
CN101585101A (en) * 2009-06-18 2009-11-25 安特(苏州)精密机械有限公司 Electric threading apparatus in punching die
CN202291036U (en) * 2011-10-24 2012-07-04 中国华录·松下电子信息有限公司 Progressive stamping die with intra-die tapping device
CN202591758U (en) * 2012-05-04 2012-12-12 惠州安特科技工业有限公司 Intramode tapping machine
CN103223535A (en) * 2013-04-17 2013-07-31 黄剑辉 Overall-hanging intra-mould tapping device
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
CN104690377A (en) * 2015-01-13 2015-06-10 惠州市利祥金属制品有限公司 Method capable of realizing in-die tapping of punched parts
CN208680708U (en) * 2018-08-24 2019-04-02 扬州汇翔精密冲件有限公司 A kind of tapping head of hardware stamping mould tapping machine
CN210703571U (en) * 2019-06-18 2020-06-09 上海汇冲精密机械制造有限公司 Efficient in-mold tapping device
CN212823881U (en) * 2020-09-16 2021-03-30 东莞市深动精密机械有限公司 Double-screw driving type in-mold tapping machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113681094A (en) * 2021-08-09 2021-11-23 北京航天控制仪器研究所 Main shaft displacement type tapping tool and tapping method

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