CN103143670B - Precise feeding and transfer mechanism of multi-station cold header - Google Patents

Precise feeding and transfer mechanism of multi-station cold header Download PDF

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Publication number
CN103143670B
CN103143670B CN201310091899.8A CN201310091899A CN103143670B CN 103143670 B CN103143670 B CN 103143670B CN 201310091899 A CN201310091899 A CN 201310091899A CN 103143670 B CN103143670 B CN 103143670B
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cam clutch
transmission
seat
eccentric adjusting
pulling
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CN103143670A (en
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朱钧校
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NINGBO HAIXING MACHINERY MANUFACTURING Co Ltd
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NINGBO HAIXING MACHINERY MANUFACTURING Co Ltd
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Abstract

The invention discloses a feeding and transfer mechanism of a multi-station cold header, in particular to a precise feeding and transfer mechanism of the multi-station cold header. The precise feeding and transfer mechanism comprises a clamping seat, pulling wheels and a feeding connecting rod, wherein the upper part of the clamping seat is provided with a first mounting through hole, a pulling transmission auxiliary shaft is fixedly arranged in the first mounting through hole, the pulling wheels are in transmission sheathing with one end head of the pulling transmission auxiliary shaft, the other end head of the pulling transmission auxiliary shaft is in transmission sheathing with a pulling driven gear, the lower part of the clamping seat is provided with a second mounting through hole, a pulling transmission main shaft penetrates into the second mounting through hole, one end head of the pulling transmission main shaft is in transmission sheathing with a pulling driving gear and a cam clutch seat inner ring, the cam clutch seat inner ring is externally sheathed with a second cam clutch and two second bearings, and the second cam clutches and the second bearings are jointly and externally sheathed with a cam clutch outer ring. The precise feeding and transfer mechanism has the advantages that the technical defects of low pulling precision and complicated structure and maintenance of the pulling mechanism of the existing cold header are overcome, the pulling is accurate, the installation and the maintenance are convenient, and the like.

Description

The accurate charging transmission mechanism of multistage cold former
Technical field
The present invention relates to the accurate charging transmission mechanism of a kind of transmission mechanism of multistage cold former, particularly multistage cold former.
Background technology
At home and abroad in numerous multistage cold former machinery, the basic charging connecting rod that adopts drives ratchet top ratchet, thus makes to draw material wheel to rotate, and realizes charging.The defect of this class formation is as follows: 1) complex structure, and part is various, and cost is high; 2) matching requirements are high, and maintenance is inconvenient; 3) ratchet easily jumps tooth, draws material not accurate, and apical tooth, part of damage.
Summary of the invention
The object of the invention is to provide one to draw material accurately to solve above-mentioned the deficiencies in the prior art, processing is simple, the installation and maintenance accurate charging transmission mechanism of multistage cold former easily.
To achieve these goals, the accurate charging transmission mechanism of multistage cold former designed by the present invention, the accurate charging transmission mechanism of multistage cold former, comprise material folding seat, draw material wheel and charging connecting rod, the top of described material folding seat is provided with the first installation through hole, first, through hole internal fixtion is installed and draws material transmission countershaft, draw material wheel drive sleeve be connected on draw material transmission countershaft termination, side on, dynamic being socketed with of its other end overhead pass draws material driven gear, the bottom of described material folding seat is provided with the second installation through hole, second, through hole is installed and has been nested with first cam clutch and two clutch shaft bearings, described first cam clutch is between two clutch shaft bearings, jointly run through in above-mentioned first cam clutch and clutch shaft bearing and draw material transmission main shaft, and draw material transmission main shaft and the first cam clutch to be that one direction is in transmission connection, draw material driving gear and cam clutch seat inner ring drawing termination, the side upper driving of material transmission main shaft to be socketed with, described cam clutch seat inner ring is positioned at the outside of drawing material driving gear, described material driving gear and the above-mentioned material driven gear that draws of drawing engages, second cam clutch and two the second bearings are socketed with outside cam clutch seat inner ring, above-mentioned second cam clutch is between two the second bearings, and coordinate with the transmission of cam clutch seat inner ring, cam clutch outer ring is jointly socketed with outward at above-mentioned second cam clutch and the second bearing, described second cam clutch coordinates with the one direction transmission of cam clutch outer ring, and transmission direction expects that the transmission direction between transmission main shaft and the first cam clutch is contrary with drawing, and the second cam clutch coordinates with the one direction transmission of cam clutch outer ring, one end and the cam clutch outer ring of charging connecting rod are in transmission connection, its other end is connected with the eccentric gear as power source.
The first cam clutch in above-mentioned and the second cam clutch pin Internal and external cycle by the wedging of cam, transmitting torque in one rotational direction, and do the precision apparatus surmounting motion in the opposite direction, it can directly outsourcing from the market, be the known technology of those skilled in the art, therefore be seldom described in detail at this.
Pendulum angle in order to cam clutch outer ring can realize regulating, thus make the material length of drawing of drawing material wheel can realize changing, the eccentric gear of the accurate charging transmission mechanism of multistage cold former provided by the present invention is fixed with eccentric adjusting seat between two parties, described eccentric adjusting seat is provided with long kidney-shaped hole, long kidney-shaped hole is connected with eccentric adjusting slide block, fit clearance scope between described eccentric adjusting slide block and eccentric adjusting seat is 0.03 ㎜ ~ 0.06 ㎜, eccentric gear abutting end and the eccentric adjusting slide block of described charging connecting rod are fixed, also sliding dowel block is fixed with above eccentric adjusting seat, sliding dowel block is provided with the slide block adjusting bolt that can do reciprocating linear motion on sliding dowel block, the shank of bolt end of described slide block adjusting bolt and eccentric adjusting slide block apical grafting.
In order to lift cam clutch outer swing time, the accuracy of pendulum angle, the described eccentric adjusting seat of multistage cold former provided by the present invention accurate charging transmission mechanism is also fixed with scale, and the long kidney-shaped hole on described scale and eccentric adjusting seat be arranged in parallel.
At work in order to prevent the second bearing from coming off from cam clutch seat inner ring, the cam clutch seat inner ring of the accurate charging transmission mechanism of multistage cold former provided by the present invention and the outside of the second bearing are crimped with cam clutch outer ring pressing plate jointly, and described cam clutch outer ring pressing plate expects that the end face of transmission main shaft is fixed with drawing.
The accurate charging transmission mechanism of the multistage cold former that the present invention obtains, it has the following advantages: 1) cam clutch base outer ring of the present invention drives cam clutch seat inner ring to rotate by the second cam clutch, and then drive draws material transmission main shaft to rotate, draw material transmission main shaft to drive again and be socketed in draw and expect that drawing outside transmission main shaft expects that driving gear rotates, then material driving gear is drawn to draw material wheel to rotate by drawing material driven gear to drive again, finally realize the charging of cold headers, simultaneously also be socketed with first cam clutch drawing on material transmission main shaft, material transmission main shaft is drawn to be that one direction transmission coordinates with the first cam clutch, and transmission direction is contrary with the transmission direction between the second cam clutch with cam clutch outer ring, therefore can effectively prevent from work drawing the reversion of material transmission main shaft, avoid the cold headers material returned, also have the pendulum angle of this multistage cold former accurate charging transmission mechanism cam clutch outer can realize regulating, thus make the material length of drawing of drawing material wheel can realize changing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the accurate charging transmission mechanism of multistage cold former in embodiment 1;
Fig. 2 is the partial enlarged drawing at A-A place in Fig. 1;
Fig. 3 is the structural representation providing the accurate charging transmission mechanism of multistage cold former in embodiment 2;
Fig. 4 is the structural representation providing the accurate charging transmission mechanism of multistage cold former in embodiment 3.
In figure: material folding seat 1, material folding seat of honour 1-1, seat 1-2 under material folding, material folding seat of honour pressing plate 1-3, first installs through hole 1-4, second installs through hole 1-5, draw material driven gear 2, expansion set 3, draw material driving gear 4, draw material wheel 5, draw material transmission countershaft 6, draw material mouth 7, draw material transmission main shaft 8, clutch shaft bearing 9, first cam clutch 10, cam clutch outer ring pressing plate 11, cam clutch outer ring 12, cam clutch seat inner ring 13, second cam clutch 14, charging connecting rod 15, eccentric adjusting slide block 16, eccentric adjusting seat 17, long kidney-shaped hole 17-1, sliding dowel block 18, slide block adjusting bolt 19, scale 20, second bearing 21, eccentric gear 22.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment 1:
As depicted in figs. 1 and 2, the accurate charging transmission mechanism of the multistage cold former that the present embodiment provides, comprise material folding seat 1, charging connecting rod 15 and two draw material wheel 5, described material folding seat 1 is primarily of material folding seat of honour 1-1, the material folding seat of honour pressing plate 1-3 that under material folding, seat 1-2 and lid are connected on the 1-1 of the material folding seat of honour forms, described material folding seat of honour 1-1 is provided with side by side two first and through hole 1-4 is installed, install in through hole 1-4 to have installed each first and draw material transmission countershaft 6, each draw material transmission countershaft 6 termination, side upper driving be socketed draw material wheel 5, on its another termination, equal drive sleeve is connected to and draws material driven gear 2, and fixed by expansion set 3, under material folding, the upper position of seat 1-2 is provided with two first equally side by side and installs through hole 1-4, install in through hole 1-4 to have installed equally each first and draw material transmission countershaft 6, each draw material transmission countershaft 6 termination, side upper driving be socketed draw material wheel 5, on its another termination, equal drive sleeve is connected to and draws material driven gear 2, and fixed by expansion set 3, draw in above-mentioned material folding seat of honour 1-1 two on material transmission countershaft 6 draw material driven gear 2 respectively with draw two of expecting on transmission countershaft 6 to draw in seat 1-2 under material folding to expect that driven gear 2 engages, the drawing material wheel 5 on material transmission countershaft 6 is drawn to expect that drawing on transmission countershaft 6 is expected that wheel 5 coordinates and formed drawing of cold headers and expect mouth 7 with drawing in seat 1-2 under material folding in the 1-1 of the material folding seat of honour, under material folding, the lower position of seat 1-2 is provided with one second and installs through hole 1-5, install in through hole 1-5 each second and be all nested with first cam clutch 10 and two clutch shaft bearings 9, and described first cam clutch 10 is between two clutch shaft bearings 9, jointly run through in above-mentioned first cam clutch 10 and clutch shaft bearing 9 and draw material transmission main shaft 8, and draw material transmission main shaft 8 and the first cam clutch 10 to be in transmission connection for one direction, draw material driving gear 4 and cam clutch seat inner ring 13 drawing termination, the side upper driving of material transmission main shaft 8 to be socketed with, and draw material driving gear 4 and cam clutch seat inner ring 13 all and draw and expect, between transmission main shaft 8, flat key is installed, described cam clutch seat inner ring 13 is positioned at the outside of drawing material driving gear 4, described material driving gear 4 and the above-mentioned material driven gear 2 that draws of drawing engages, second cam clutch 14 and two the second bearings 21 are socketed with outside cam clutch seat inner ring 13, above-mentioned second cam clutch 14 is between two the second bearings 21, and coordinate with the transmission of cam clutch seat inner ring 13 one direction, cam clutch outer ring 12 is jointly socketed with outside above-mentioned second cam clutch 14 and the second bearing 21, described second cam clutch 14 coordinates with cam clutch outer ring 12 one direction transmission, and transmission direction expects that the transmission direction between transmission main shaft 8 and the first cam clutch 10 is contrary with drawing, one end and the cam clutch outer ring 12 of charging connecting rod 15 are in transmission connection, its other end is connected with the eccentric gear 22 as power source.
The first cam clutch 10 in above-mentioned and the second cam clutch 14 pin Internal and external cycle by the wedging of cam, transmitting torque in one rotational direction, and do the precision apparatus surmounting motion in the opposite direction, outside clockwise that of the first cam clutch 10, second cam clutch 14 faces in fig. 1.During charging connecting rod 15 clockwise oscillation, the second cam clutch 14 rotates, and namely draw material transmission main shaft 8 not rotate, the first cam clutch 10 does not rotate, and namely draws material driving gear 4 not rotate, and prevents from drawing the material returned of material wheel 5; During charging connecting rod 15 counter-clockwise swing, the second cam clutch 14 does not rotate, and namely draw material transmission main shaft 8 to rotate, the first cam clutch 10 rotates, and namely draws material pinion rotation, draws material wheel 5 to start charging.Material error in length is drawn to be no more than 1.
Embodiment 2:
As shown in Figure 3, the accurate charging transmission mechanism of the multistage cold former that the present embodiment provides, its general structure is consistent with embodiment 1, but can realize to make the pendulum angle of cam clutch outer ring 12 regulating, thus make the material length of drawing of drawing material wheel 5 can realize changing, in the present embodiment provide on the eccentric gear 22 of the accurate charging transmission mechanism of multistage cold former and be fixed with eccentric adjusting seat 17 between two parties, described eccentric adjusting seat 17 is provided with long kidney-shaped hole 17-1, long kidney-shaped hole 17-1 is connected with eccentric adjusting slide block 16, fit clearance scope between described eccentric adjusting slide block 16 and eccentric adjusting seat 17 is 0.03 ㎜ ~ 0.06 ㎜, eccentric gear 22 abutting end and the eccentric adjusting slide block 16 of described charging connecting rod 15 are fixed, sliding dowel block 18 is also fixed with above eccentric adjusting seat 17, sliding dowel block 18 is provided with the slide block adjusting bolt 19 that can do reciprocating linear motion on sliding dowel block 18, the shank of bolt end of described slide block adjusting bolt 19 and eccentric adjusting slide block 16 apical grafting.
In order to lift cam clutch outer 12 swing time, the accuracy of pendulum angle, the present embodiment provide on the described eccentric adjusting seat 17 of multistage cold former accurate charging transmission mechanism and be also fixed with scale 20, described scale 20 be arranged in parallel with the long kidney-shaped hole 17-1 on eccentric adjusting seat 17.
The operation principle of the present embodiment: by slide block adjusting bolt 19 eccentric adjustment adjusting slider 16, its adjustable range 0 ~ 45mm, pointed 45 place when being adjusted to highest point, often regulate 1mm, utilize geometrical relationship, the pendulum angle N of cam clutch outer ring 12 can be calculated, material driving gear 4 is drawn to expect that the linear velocity of both driven gears 2 is identical with drawing, material driven gear 2 is drawn to expect that wheel 5 angular speed is identical with drawing, material driven gear 2 is drawn to expect that wheel 5 angular speed is identical with drawing, namely material driving gear 4 is drawn to expect that the arc length that wheel 5 rotates is consistent with drawing, draw the reference circle D of material gear, namely material length L=N π D/360 is drawn, N depends on the adjustment length of eccentric adjusting slide block 16.
Embodiment 3
As shown in Figure 4, the accurate charging transmission mechanism of the multistage cold former that the present embodiment provides, its general structure is consistent with embodiment 1, but at work in order to prevent the second bearing 21 from coming off from cam clutch seat inner ring 13, in the present embodiment provide the cam clutch seat inner ring 13 of the accurate charging transmission mechanism of multistage cold former and the outside of the second bearing 21 to be jointly crimped with cam clutch outer ring pressing plate 11, described cam clutch outer ring pressing plate 11 expects that the end face of transmission main shaft 8 is fixed with drawing.

Claims (7)

1. the accurate charging transmission mechanism of multistage cold former, comprise material folding seat (1), draw material wheel (5) and charging connecting rod (15), it is characterized in that: the top of described material folding seat (1) is provided with the first installation through hole (1-4), first, through hole (1-4) internal fixtion is installed and draws material transmission countershaft (6), draw material wheel (5) drive sleeve be connected on draw material transmission countershaft (6) termination, side on, dynamic being socketed with of its other end overhead pass draws material driven gear (2), the bottom of described material folding seat (1) is provided with the second installation through hole (1-5), second, through hole (1-5) is installed and has been nested with first cam clutch (10) and two clutch shaft bearings (9), described first cam clutch (10) is positioned between two clutch shaft bearings (9), jointly run through in above-mentioned first cam clutch (10) and clutch shaft bearing (9) and draw material transmission main shaft (8), and draw material transmission main shaft (8) with the first cam clutch (10) for one direction transmission coordinates, draw material driving gear (4) and cam clutch seat inner ring (13) drawing termination, the side upper driving of material transmission main shaft (8) to be socketed with, described cam clutch seat inner ring (13) is positioned at the outside of drawing material driving gear (4), described material driving gear (4) and above-mentioned material driven gear (2) that draws of drawing engages, second cam clutch (14) and two the second bearings (21) are socketed with outside cam clutch seat inner ring (13), above-mentioned second cam clutch (14) is positioned between two the second bearings (21), and coordinate with cam clutch seat inner ring (13) transmission, cam clutch outer ring (12) is jointly socketed with outward above-mentioned second cam clutch (14) and the second bearing (21), described second cam clutch (14) coordinates with cam clutch outer ring (12) one direction transmission, and transmission direction expects that the transmission direction between transmission main shaft (8) and the first cam clutch (10) is contrary with drawing, one end and cam clutch outer ring (12) of charging connecting rod (15) are in transmission connection, its other end is connected with the eccentric gear (22) as power source.
2. the accurate charging transmission mechanism of multistage cold former according to claim 1, it is characterized in that: on eccentric gear (22), be fixed with eccentric adjusting seat (17) between two parties, described eccentric adjusting seat (17) is provided with long kidney-shaped hole (17-1), long kidney-shaped hole (17-1) is connected with eccentric adjusting slide block (16), eccentric gear (22) abutting end of described charging connecting rod (15) and eccentric adjusting slide block (16) are fixed, sliding dowel block (18) is also fixed with in the top of eccentric adjusting seat (17), sliding dowel block (18) is provided with the slide block adjusting bolt (19) that can do reciprocating linear motion on sliding dowel block (18), the shank of bolt end of described slide block adjusting bolt (19) and eccentric adjusting slide block (16) apical grafting.
3. the accurate charging transmission mechanism of multistage cold former according to claim 2, it is characterized in that: be jointly crimped with cam clutch outer ring pressing plate (11) in the outside of cam clutch seat inner ring (13) and the second bearing (21), described cam clutch outer ring pressing plate (11) expects that the end face of transmission main shaft (8) is fixed with drawing.
4. the accurate charging transmission mechanism of multistage cold former according to claim 3, is characterized in that: the fit clearance scope between described eccentric adjusting slide block (16) and eccentric adjusting seat (17) is 0.03 ㎜ ~ 0.06 ㎜.
5. the accurate charging transmission mechanism of multistage cold former according to claim 2, it is characterized in that: described eccentric adjusting seat (17) is also fixed with scale (20), described scale (20) be arranged in parallel with the long kidney-shaped hole (17-1) on eccentric adjusting seat (17).
6. the accurate charging transmission mechanism of multistage cold former according to claim 3, it is characterized in that: described eccentric adjusting seat (17) is also fixed with scale (20), described scale (20) be arranged in parallel with the long kidney-shaped hole (17-1) on eccentric adjusting seat (17).
7. the accurate charging transmission mechanism of multistage cold former according to claim 4, it is characterized in that: described eccentric adjusting seat (17) is also fixed with scale (20), described scale (20) be arranged in parallel with the long kidney-shaped hole (17-1) on eccentric adjusting seat (17).
CN201310091899.8A 2013-03-21 2013-03-21 Precise feeding and transfer mechanism of multi-station cold header Active CN103143670B (en)

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CN103143670B true CN103143670B (en) 2015-02-25

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113198969B (en) * 2021-05-27 2022-05-17 河北国智机械设备制造有限公司 Nut cold heading machine blank multistation transmission device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1188906B (en) * 1958-12-02 1965-03-11 Wagner & Co Werkzeugmaschinenf Transport device for automatic forging press for producing burr-free perforated forgings
CN1277080A (en) * 1999-06-11 2000-12-20 福光企业股份有限公司 Material feeding mechanism for forging forming machine
JP2002346685A (en) * 2001-05-12 2002-12-03 Seikan Rin Bi-directional forging machine
CN1846898A (en) * 2005-04-05 2006-10-18 运通工业股份有限公司 Feeder with adjustable feeding length for forged part forming machine
CN203155934U (en) * 2013-03-21 2013-08-28 宁波海星机械制造有限公司 Multi-station cold header precise feeding delivery mechanism

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1188906B (en) * 1958-12-02 1965-03-11 Wagner & Co Werkzeugmaschinenf Transport device for automatic forging press for producing burr-free perforated forgings
CN1277080A (en) * 1999-06-11 2000-12-20 福光企业股份有限公司 Material feeding mechanism for forging forming machine
JP2002346685A (en) * 2001-05-12 2002-12-03 Seikan Rin Bi-directional forging machine
CN1846898A (en) * 2005-04-05 2006-10-18 运通工业股份有限公司 Feeder with adjustable feeding length for forged part forming machine
CN203155934U (en) * 2013-03-21 2013-08-28 宁波海星机械制造有限公司 Multi-station cold header precise feeding delivery mechanism

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