CN110465556B - Traction head structure of three-head traction machine - Google Patents
Traction head structure of three-head traction machine Download PDFInfo
- Publication number
- CN110465556B CN110465556B CN201910710981.1A CN201910710981A CN110465556B CN 110465556 B CN110465556 B CN 110465556B CN 201910710981 A CN201910710981 A CN 201910710981A CN 110465556 B CN110465556 B CN 110465556B
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- Prior art keywords
- frame
- shaft
- head
- shifting fork
- rack
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Links
- 210000000078 claw Anatomy 0.000 claims abstract description 53
- 238000003825 pressing Methods 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 12
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 230000000670 limiting effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 2
- XBWAZCLHZCFCGK-UHFFFAOYSA-N 7-chloro-1-methyl-5-phenyl-3,4-dihydro-2h-1,4-benzodiazepin-1-ium;chloride Chemical compound [Cl-].C12=CC(Cl)=CC=C2[NH+](C)CCN=C1C1=CC=CC=C1 XBWAZCLHZCFCGK-UHFFFAOYSA-N 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000009471 action Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
- B21C35/02—Removing or drawing-off work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Agricultural Machines (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The invention relates to a traction head structure of a three-head traction machine, which comprises a frame (1), wherein a support shaft (2) is fixedly arranged on the frame (1), a middle support plate (4) and a gear (5) are sleeved on the support shaft (2), a frame (6) is arranged on the middle support plate (4), a worm gear reducer (7) is arranged on the frame (6), a pressing claw assembly (8) is arranged on the outer side of the frame (6), an outer output end (7.1) is connected with the pressing claw assembly (8), a shifting fork assembly (10) is arranged on an inner output end (7.2), a rack (11) is arranged on the middle support plate (4), and a clamping plate (12) is arranged at the top of the rack (11). According to the traction head structure of the three-head traction machine, the rotation action of the whole traction head can be realized through the power of the clamping mechanism, so that a space is reserved for the other traction head in the alternative working position, the integral structure is simplified, and the production and manufacturing cost is reduced.
Description
Technical Field
The invention relates to a traction head structure of a three-head traction machine, and belongs to the technical field of aluminum profile production equipment.
Background
In the extrusion production process of the aluminum alloy section, each time an aluminum rod is extruded, the section must be interrupted, so as to facilitate the carrying out of post-processes such as conveying, straightening and the like. In addition, traction assistance is very important in the extrusion process, and particularly for porous die extrusion which is popular at present and some profiles which are difficult to extrude, good and effective traction assistance can be realized, so that the discharging of the profiles can be ensured, and the production efficiency and the yield can be improved.
Most of traditional tractors are single-head traction, when the traction is carried out to a certain position, the single-head tractors put down the profile, and then the profile returns to the traction starting place to work repeatedly, and the efficiency of the single-head traction mode is very low. There are also double-ended tractors in the prior art, which work in the form of: the former traction device is used for dragging the profile, and the dragged profile is delivered to the other traction device to continue dragging in a certain place, and the former traction device returns to finish the relay of the profile. Although the method can realize uninterrupted traction, the tractor can collide with the tractor in the relay process, and the tractor stops when the profile is connected, so that the profile is bent in the axial direction, and meanwhile, the surface of the profile is easy to scratch, so that the quality of the profile is affected.
The three-head tractor in the current market generally comprises a frame, wherein an upper rail and a lower rail are arranged on the frame, an upper traction head and a lower traction head are respectively arranged on the upper rail and the lower rail, and the upper traction head and the lower traction head can alternately carry out traction operation, so that the section bar production is uninterrupted, continuous operation is ensured, the production efficiency is improved, and the technical problems are well solved. However, in order to enable the upper traction head and the lower traction head to smoothly and alternately work, the conventional three-head traction machine generally needs to be additionally provided with a traversing mechanism or a lifting mechanism, and one traction head is enabled to give up space for the other traction head through the traversing mechanism or the lifting mechanism, so that the alternation of the work positions is smoothly completed, the whole mechanism is complex in structure, and the production and manufacturing cost is greatly increased.
Disclosure of Invention
The invention aims to solve the technical problem of providing a traction head structure of a three-head traction machine aiming at the prior art, which has reasonable structure and ingenious design, and can realize the rotation action of the whole traction head through the power of a clamping mechanism, thereby leaving space for the other traction head when the traction head is in an alternative working position, eliminating the traditional traversing mechanism or lifting mechanism, simplifying the whole structure and reducing the production and manufacturing cost.
The invention solves the problems by adopting the following technical scheme: the traction head structure of the three-head tractor comprises a frame, wherein a support shaft is fixedly arranged on the frame, an intermediate support plate and a gear are sleeved on the support shaft, the gear is positioned above the intermediate support plate, the intermediate support plate is rotationally connected with the support shaft, and the gear is fixedly connected with the support shaft; the middle support plate is provided with a rack, the rack is provided with a worm gear reducer, the worm gear reducer comprises an outer output end and an inner output end, a pressing claw assembly is arranged on the outer side of the rack, the outer output end is connected with the pressing claw assembly through a connecting rod mechanism, a shifting fork assembly is arranged on the inner output end, a rack capable of horizontally moving left and right is arranged on the middle support plate, the rack is located between the rack and a gear, a clamping plate is arranged at the top of the rack, the rack is matched with the gear, and the clamping plate is matched with the shifting fork assembly.
Preferably, a sliding block is arranged below the rack, the sliding block is fixedly arranged on the middle supporting plate, a sliding rail is arranged at the bottom of the rack, and the sliding rail is matched with the sliding block.
Preferably, a pressing plate matched with the pressing claw assembly is arranged below the pressing claw assembly.
Preferably, the pressing claw assembly comprises a pressing claw shaft, the pressing claw shaft is fixedly arranged on the frame, a plurality of pressing claws are sleeved on the pressing claw shaft, and the pressing claws can rotate around the pressing claw shaft.
Preferably, the left and right sides of a plurality of pressure claws are provided with the bracket arm, the bracket arm is fixedly connected with the pressure claw shaft, a bracket rod is arranged between the left and right bracket arms, and the bracket rod is supported below the upper parts of the plurality of pressure claws.
Preferably, the shifting fork assembly comprises a shifting fork arm, one end of the shifting fork arm is sleeved on the inner output end and fixedly connected with the inner output end, a shifting fork shaft is arranged at the other end of the shifting fork arm, a clamping groove is formed in the top of the clamping plate downwards, and the shifting fork shaft is matched with the clamping groove.
Preferably, the shifting fork arm is provided with an arc-shaped clamping block at a position close to the inner output end, the central line of the arc-shaped clamping block coincides with the central line of the inner output end, an arc-shaped bayonet is arranged on one side of the clamping groove, and when the shifting fork shaft is separated from the clamping groove, the arc-shaped clamping block is matched with the arc-shaped bayonet.
Preferably, a supporting boss is arranged in the middle of the supporting shaft, the lower section of the supporting shaft is inserted into the frame, the supporting boss is placed on the frame, the frame is connected with the supporting boss through bolts, and bearings are arranged between the supporting boss and the middle supporting plate and between the middle supporting plate and the gears.
Preferably, the left side and the right side of the support shaft are provided with limiting mechanisms, and the limiting mechanisms are matched with the middle support plate.
Preferably, the bottom of the frame is provided with a left group of rollers and a right group of rollers; the frame bottom is provided with the synchronous belt groove, the synchronous belt groove is located between two sets of gyro wheels about, be provided with the hold-in range in the synchronous belt groove, hold-in range and frame bottom fixed connection, the hold-in range is transmitted through traction motor.
Compared with the prior art, the invention has the advantages that:
The traction head structure of the three-head traction machine has reasonable structure and ingenious design, and the whole traction head can be rotated by the power of the clamping mechanism, so that a space is reserved for the other traction head when the traction head is in an alternative working position, the traditional traversing mechanism or lifting mechanism is omitted, the whole structure is simplified, and the production and manufacturing cost is reduced.
Drawings
Fig. 1 is a schematic perspective view of a traction head structure of a three-head traction machine according to the present invention.
Fig. 2 is a perspective view of another view of a traction head structure of a three-head tractor according to the present invention.
Fig. 3 is a front view of a traction head structure of a three-head traction machine according to the present invention.
Fig. 4 is a side view of fig. 3.
Fig. 5 is a rear view of fig. 3.
Wherein:
Vehicle frame 1
Support shaft 2
Support boss 3
Intermediate support plate 4
Gear 5
Frame 6
Worm gear reducer 7
Outer output 7.1
Inner output 7.2
Pressing jaw assembly 8
Pressing claw shaft 8.1
Pressing claw 8.2
Bracket arm 8.3
Supporting rod 8.4
Linkage 9
First connecting rod 9.1
Second connecting rod 9.2
Third connecting rod 9.3
Shifting fork assembly 10
Fork arm 10.1
Fork shaft 10.2
Arc-shaped clamping block 10.3
Rack 11
Cardboard 12
Clamping groove 12.1
Arc bayonet 12.2
Slider 13
Slide rail 14
Platen 15
Bearing 16
Limiting mechanism 17
Roller 18
Synchronous belt slot 19
And a timing belt 20.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 5, the traction head structure of the three-head tractor in the embodiment comprises a frame 1, wherein a support shaft 2 is arranged at the position, close to the outer side, of the frame 1, a support boss 3 is arranged in the middle of the support shaft 2, the lower section of the support shaft 2 is inserted into the frame 1, the support boss 3 is placed on the frame 1, an intermediate support plate 4 and a gear 5 are sleeved at the upper section of the support shaft 2, the gear 5 is positioned above the intermediate support plate 4, the intermediate support plate 4 is in rotary connection with the support shaft 2, and the gear 5 is fixedly connected with the support shaft 2; the middle support plate 4 is provided with a rack 6, the rack 6 is positioned at the outer side of the gear 5, the rack 6 is provided with a worm gear reducer 7, the worm gear reducer 7 comprises an outer output end 7.1 and an inner output end 7.2, the outer side of the rack 6 is provided with a pressing claw assembly 8, the outer output end 7.1 is connected with the pressing claw assembly 8 through a connecting rod mechanism 9, the inner output end 7.2 is provided with a shifting fork assembly 10, the middle support plate 4 is provided with a rack 11 capable of translating left and right, the rack 11 is positioned between the rack 6 and the gear 5, the top of the rack 11 is provided with a clamping plate 12, the rack 11 is matched with the gear 5, and the clamping plate 12 is matched with the shifting fork assembly 10;
a sliding block 13 is arranged below the rack 11, the sliding block 13 is fixedly arranged on the middle supporting plate 4, a sliding rail 14 is arranged at the bottom of the rack 11, and the sliding rail 14 is matched with the sliding block 13;
a pressing plate 15 matched with the pressing claw assembly 8 is arranged below the pressing claw assembly, and the pressing plate 15 is fixedly connected to the bottom of the middle supporting plate 4;
the pressing claw assembly 8 comprises a pressing claw shaft 8.1, the pressing claw shaft 8.1 is fixedly arranged on the frame 6, a plurality of pressing claws 8.2 are sleeved on the pressing claw shaft 8.1, and the pressing claws 8.2 can rotate around the pressing claw shaft 8.1;
The left and right sides of the plurality of pressing claws 8.2 are provided with supporting arms 8.3, the supporting arms 8.3 are fixedly connected with the pressing claw shafts 8.1, a supporting rod 8.4 is arranged between the left and right supporting arms 8.3, and the supporting rod 8.4 is supported below the upper parts of the plurality of pressing claws 8.2;
The link mechanism 9 comprises a first link 9.1, a second link 9.2 and a third link 9.3 which are sequentially connected;
The shifting fork assembly 10 comprises a shifting fork arm 10.1, one end of the shifting fork arm 10.1 is sleeved on the inner output end 7.2 and is fixedly connected with the inner output end 7.2, a shifting fork shaft 10.2 is arranged at the other end of the shifting fork arm 10.1, a clamping groove 12.1 is formed in the top of the clamping plate 12 downwards, and the shifting fork shaft 10.2 is matched with the clamping groove 12.1;
The shifting fork arm 10.1 is provided with an arc-shaped clamping block 10.3 at a position close to the inner output end 7.2, the central line of the arc-shaped clamping block 10.3 coincides with the central line of the inner output end 7.2, one side of the clamping groove 12.1 is provided with an arc-shaped bayonet 12.2, and when the shifting fork shaft 10.2 is separated from the clamping groove 12.1, the arc-shaped clamping block 10.3 is matched with the arc-shaped bayonet 12.2;
the inner side of the middle supporting plate 4 is sleeved on the supporting shaft 2;
bearings 16 are arranged between the support boss 3 and the middle support plate 4 and between the middle support plate 4 and the gear 5;
limiting mechanisms 17 are arranged on the left side and the right side of the support shaft 2, and the limiting mechanisms 17 are matched with the middle support plate 4;
The bottom of the frame 1 is provided with a left group of rollers 18 and a right group of rollers 18;
the frame 1 bottom is provided with synchronous belt groove 19, synchronous belt groove 19 is located between two sets of gyro wheels 18 about, be provided with hold-in range 20 in the synchronous belt groove 19, hold-in range 20 and frame 1 bottom fixed connection, hold-in range 20 carries out the transmission through traction motor.
Working principle:
The frame is provided with a support shaft, the middle support plate is sleeved on the support shaft and can rotate around the support shaft, a frame is arranged on the middle support plate, a pressing claw assembly is arranged on the outer side of the frame, a pressing plate is arranged below the pressing claw assembly, the pressing claw assembly and the pressing plate form a traction clamping opening, the frame is provided with a worm gear reducer, the worm gear reducer comprises an inner output end and an outer output end, the outer output end is connected with the pressing claw assembly through a connecting rod mechanism, and the pressing claw assembly can be lifted upwards or pressed downwards under the driving of the worm gear reducer; the gear on the support shaft is meshed with the gear on the support shaft, so that the whole middle support plate is driven to rotate around the support shaft, the middle support plate can be driven to outwards rotate or inwards retract through forward rotation and reverse rotation of the gear on the gear, and accordingly space is reserved for the alternative positions of the upper traction head and the lower traction head. When the middle support plate drives the whole traction mechanism to outwards rotate out to a traction position, at the moment, the shifting fork shaft of the shifting fork assembly is separated from the clamping groove on the clamping plate, at the moment, the worm gear speed reducer drives the pressing claw assembly to continuously press down, the middle support plate does not continuously rotate any more, and at the moment, the arc-shaped clamping block of the shifting fork assembly is clamped into the arc-shaped clamping opening on the clamping plate, and the pressing claw continuously presses down the middle support plate in the stroke and cannot move back and forth under the limiting effect of the arc-shaped clamping block and the arc-shaped clamping opening.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a three tractor traction head structure which characterized in that: the bicycle comprises a bicycle frame (1), wherein a support shaft (2) is fixedly arranged on the bicycle frame (1), an intermediate support plate (4) and a gear (5) are sleeved on the support shaft (2), the intermediate support plate (4) is rotationally connected with the support shaft (2), and the gear (5) is fixedly connected with the support shaft (2); be provided with frame (6) on intermediate support board (4), be provided with worm gear reducer (7) on frame (6), worm gear reducer (7) are including outer output (7.1) and interior output (7.2), frame (6) outside is provided with pressure claw subassembly (8), outer output (7.1) are connected with pressure claw subassembly (8), be provided with shift fork subassembly (10) on interior output (7.2), be provided with one on intermediate support board (4) and control rack (11) of translation, rack (11) top is provided with cardboard (12), rack (11) cooperate with gear (5), cardboard (12) cooperate with shift fork subassembly (10).
2. A three-head tractor traction head structure according to claim 1, characterized in that: the novel sliding rack is characterized in that a sliding block (13) is arranged below the rack (11), the sliding block (13) is fixedly arranged on the middle supporting plate (4), a sliding rail (14) is arranged at the bottom of the rack (11), and the sliding rail (14) is matched with the sliding block (13).
3. A three-head tractor traction head structure according to claim 1, characterized in that: a pressing plate (15) matched with the pressing claw assembly is arranged below the pressing claw assembly (8).
4. A three-head tractor traction head structure according to claim 1, characterized in that: the press claw assembly (8) comprises a press claw shaft (8.1), the press claw shaft (8.1) is fixedly arranged on the frame (6), a plurality of press claws (8.2) are sleeved on the press claw shaft (8.1), and the press claws (8.2) can rotate around the press claw shaft (8.1).
5. The three-head tractor traction head structure of claim 4, wherein: the left and right sides of a plurality of pressure claws (8.2) are provided with trailing arms (8.3), trailing arms (8.3) and pressure claw axle (8.1) fixed connection are provided with die-pin (8.4) between two trailing arms (8.3) about, die-pin (8.4) bearing is in a plurality of pressure claw (8.2) upper portions below.
6. A three-head tractor traction head structure according to claim 1, characterized in that: the shifting fork assembly (10) comprises a shifting fork arm (10.1), one end of the shifting fork arm (10.1) is sleeved on the inner output end (7.2) and is fixedly connected with the inner output end (7.2), the other end of the shifting fork arm (10.1) is provided with a shifting fork shaft (10.2), the top of the clamping plate (12) is provided with a clamping groove (12.1) downwards, and the shifting fork shaft (10.2) is matched with the clamping groove (12.1).
7. The three-head tractor traction head structure of claim 6, wherein: the shifting fork arm (10.1) is provided with arc fixture block (10.3) in the position department that is close to interior output (7.2), the central line of arc fixture block (10.3) and interior output (7.2) central line coincidence, draw-in groove (12.1) one side is provided with arc bayonet socket (12.2), and when shifting fork axle (10.2) and draw-in groove (12.1) break away from, arc fixture block (10.3) cooperatees with arc bayonet socket (12.2) this moment.
8. A three-head tractor traction head structure according to claim 1, characterized in that: the middle part of the support shaft (2) is provided with a support boss (3), the lower section of the support shaft (2) is inserted into the frame (1), the support boss (3) is placed on the frame (1), the frame (1) is connected with the support boss (3) through bolts, and bearings (16) are arranged between the support boss (3) and the middle support plate (4) and between the middle support plate (4) and the gear (5).
9. A three-head tractor traction head structure according to claim 1, characterized in that: limiting mechanisms (17) are arranged on the left side and the right side of the supporting shaft (2), and the limiting mechanisms (17) are matched with the middle supporting plate (4).
10. A three-head tractor traction head structure according to claim 1, characterized in that: the bottom of the frame (1) is provided with a left group of rollers (18) and a right group of rollers; the frame (1) bottom is provided with synchronous belt groove (19), synchronous belt groove (19) are located between two sets of gyro wheels (18) about, be provided with hold-in range (20) in synchronous belt groove (19), hold-in range (20) and frame (1) bottom fixed connection, hold-in range (20) are through traction motor transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910710981.1A CN110465556B (en) | 2019-08-02 | 2019-08-02 | Traction head structure of three-head traction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910710981.1A CN110465556B (en) | 2019-08-02 | 2019-08-02 | Traction head structure of three-head traction machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110465556A CN110465556A (en) | 2019-11-19 |
| CN110465556B true CN110465556B (en) | 2024-05-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910710981.1A Active CN110465556B (en) | 2019-08-02 | 2019-08-02 | Traction head structure of three-head traction machine |
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| Country | Link |
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| CN203448428U (en) * | 2013-07-25 | 2014-02-26 | 佛山市阿努迈机械设备有限公司 | Simple traction head device |
| JP2015020180A (en) * | 2013-07-17 | 2015-02-02 | Ykk株式会社 | Traction device for shape material |
| CN205587451U (en) * | 2016-05-16 | 2016-09-21 | 佛山市南海铜正机械设备有限公司 | Aluminium alloy extrusion draw gear |
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| CN108127002A (en) * | 2017-12-08 | 2018-06-08 | 佛山市澳科自动化工程有限公司 | Traction machine |
| CN108144981A (en) * | 2017-12-08 | 2018-06-12 | 佛山市澳科自动化工程有限公司 | Clamping mechanism |
| CN208662178U (en) * | 2018-08-20 | 2019-03-29 | 佛山市三水区诺尔贝机器人研究院有限公司 | A kind of grasping mechanism for profile traction |
| CN211071314U (en) * | 2019-08-02 | 2020-07-24 | 江苏江顺精密机电设备有限公司 | Traction head structure of three-head tractor |
-
2019
- 2019-08-02 CN CN201910710981.1A patent/CN110465556B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1506315A (en) * | 1974-07-25 | 1978-04-05 | Plast Elastverarbeitungsmasch | Haul off device for profiles of variable crosssection more particularly for extruded plastics sections |
| CN202725668U (en) * | 2012-07-18 | 2013-02-13 | 关灿彬 | Traction machine |
| CN103056188A (en) * | 2013-01-04 | 2013-04-24 | 林志萍 | Aluminium profile circulating band saw full-automatic traction apparatus |
| JP2015020180A (en) * | 2013-07-17 | 2015-02-02 | Ykk株式会社 | Traction device for shape material |
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| Publication number | Publication date |
|---|---|
| CN110465556A (en) | 2019-11-19 |
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