CN213559176U - Double-chain cold-drawing machine - Google Patents
Double-chain cold-drawing machine Download PDFInfo
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- CN213559176U CN213559176U CN202020713071.7U CN202020713071U CN213559176U CN 213559176 U CN213559176 U CN 213559176U CN 202020713071 U CN202020713071 U CN 202020713071U CN 213559176 U CN213559176 U CN 213559176U
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Abstract
The utility model relates to the field of metal material processing, in particular to a double-chain cold-drawing machine, which comprises a conveying track and a transmission mechanism for drawing a drawing trolley to move on the conveying track; the transmission mechanism comprises a main chain wheel, a driven chain wheel and a chain connected between the main chain wheel and the driven chain wheel; one end of the drawing trolley is provided with a hanging plate connected with the chain, and the other end of the drawing trolley is connected with the chain through a connecting block; the conveying track is also provided with a fixed seat, and the fixed seat is provided with a fixed jaw. The utility model provides a pair of double-chain cold drawing machine can make and draw the dolly position stable when drawing, guarantees the straightness accuracy after the work piece is drawn, and through the receipts magazine that sets up for collect the work piece of drawing the completion, accomplish the automatic purpose of receiving the material of the work piece after drawing, improved the degree of automation of equipment.
Description
Technical Field
The utility model relates to a metal material processing field especially relates to a double-stranded drawbench.
Background
In the mechanical processing, there are various methods for machining steel pipes, such as stamping, forging, rolling, bulging, drawing, and the like, and among them, drawing is particularly suitable for seamless steel pipes having a small pipe diameter and high quality and must be obtained by drawing or cold rolling. For the drawing processing of the steel pipe, the common tooling equipment is a chain type or hydraulic type cold drawing machine. The hydraulic pressure is used as the driving force for drawing, so that higher drawing quality can be realized, but the hydraulic station for controlling the drawing process is large in occupied area, difficult to maintain and extremely high in maintenance cost, so that the hydraulic station is not suitable for small and medium-sized enterprises, and more steel pipe cold-drawing machines adopt chain cold-drawing machines.
The chain drawbench divide into the single chain and draws and double-stranded two kinds of drawing, the frame including fixed setting and by motor and reduction gear driven chain drive of general single chain drawbench, the cooperation is provided with one on the driving chain and draws the dolly, be provided with the hydraulic tong that is used for clinching the outer wall of steel pipe on drawing the dolly, one end in the frame is provided with a fixed jaw with drawing the dolly relatively, wear out pending steel pipe from fixed jaw, the hydraulic tong on drawing the dolly simultaneously is close to fixed jaw and presss from both sides the one end of steel pipe, when drawing dolly reverse motion, the one end of fixed jaw clinching the steel pipe, afterwards, the motion that the drive chain drove the dolly makes the steel pipe between hydraulic tong and the fixed jaw draw to appointed length. The principle of the double-chain cold-drawing machine is similar to that of the single-chain cold-drawing machine, and only two chain wheel driving shafts are arranged on the motor, so that two chain transmissions share one speed reducing mechanism.
In the actual processing process, the double-chain cold drawing machine is adopted more, the chains of the existing double-chain cold drawing machine are all composed of a plurality of chain plates, the left and right chains are unequal, the left and right twisting of the drawing trolley is uncertain, the straightness of the drawn workpiece is influenced, and an operator is required to take down the drawn workpiece from a self-loosening tightening mechanism before the drawing trolley returns after the drawn workpiece.
In view of the above, the applicant provides a double-chain cold drawing machine by improving the existing cold drawing machine, so as to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a double-stranded drawbench, can make and draw the dolly position when drawing stable, guarantee the straightness accuracy after the work piece is drawn, and through the receipts magazine that sets up for the work piece of drawing the completion is collected, has improved the degree of automation of equipment.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
a double-chain cold-drawing machine comprises a conveying track and a transmission mechanism for drawing a drawing trolley to move on the conveying track;
the transmission mechanism comprises a main chain wheel, a driven chain wheel and a chain connected between the main chain wheel and the driven chain wheel;
one end of the drawing trolley is provided with a hanging plate connected with the chain, and the other end of the drawing trolley is connected with the chain through a connecting block;
the conveying track is also provided with a fixed seat, and the fixed seat is provided with a fixed jaw.
As the utility model discloses structural one kind is optimized, delivery track is two, and two delivery track parallel arrangement.
As the utility model discloses structural optimization, the spout has all been seted up to two outside one side of delivery track, draw on the dolly bottom install with spout complex movable pulley.
As the utility model discloses structural optimization, be provided with the receipts magazine between two delivery track.
As the utility model discloses structural optimization, the material collecting box is including combining limit, loading board and hang plate, combine the limit overlap joint on two delivery track's edges, the loading board is used for supporting the work piece of unloading, and the hang plate setting is combining between limit and loading board.
As the utility model discloses structural optimization, the length of collecting box is the same with the movement distance of drawing the dolly.
As the utility model discloses structural optimization, the delivery track top surface sets up to the slope of collection box direction.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an all seted up the spout in two outside one side of delivery track, draw on the dolly bottom install with spout complex movable pulley, like this, draw the dolly through the movable pulley of installing on it and the cooperation of spout, realize the purpose of sliding connection on the delivery track, and then guarantee to draw the stability of dolly position when drawing to guarantee the straightness accuracy after the work piece is drawn.
The material collecting box is arranged between the two conveying rails and used for collecting the drawn workpieces, the purpose of automatic material collection of the drawn workpieces is achieved, and the automation degree of the equipment is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic structural view of a double-chain cold drawing machine according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the structure of the sliding wheel and the sliding chute;
FIG. 4 is a schematic structural view of the material receiving box;
figures and their description:
1. conveying track, 2, draw the dolly, 3, main chain wheel, 4, follow sprocket, 5, chain, 6, link plate, 7, connecting block, 8, spout, 9, movable pulley, 10, fixing base, 11, fixed keeping silent, 12, receipts workbin, 121, combination limit, 122, loading board, 123, hang plate.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Referring to fig. 1-3, the double-chain cold drawing machine of the present invention is preferably implemented, and specifically, the double-chain cold drawing machine includes a conveying track 1 and a transmission mechanism for pulling a drawing carriage 2 to move on the conveying track 1;
specifically, above-mentioned drive mechanism includes the main sprocket 3, follows sprocket 4 and connects chain 5 between main sprocket 3 and the follow sprocket 4, for realizing the purpose that drive mechanism migration drawn dolly 2, it is provided with link plate 6 of being connected with chain 5 to draw 2 one end of dolly, the other end of drawing dolly 2 passes through connecting block 7 and is connected with chain 5, and like this, the main sprocket 3, follow sprocket 4, chain 5 and draw dolly 2 and just form the closed loop, it needs to explain that, this double-chain cold drawing machine still includes driving motor (not shown in the figure), the rotational speed of driving motor output gets into the input shaft in the reduction gear (not shown in the figure), the output shaft direct drive main sprocket 3 of reduction gear, can rotate through main sprocket 3 and drive chain 5 and remove, and then realize drawing the purpose that dolly 2 moved the operation on the delivery track.
The two conveying rails 1 are arranged in parallel, in addition, a sliding groove 8 is formed in one side of the outer portion of each conveying rail 1, a sliding wheel 9 matched with the sliding groove 8 is installed on the bottom of the drawing trolley 2, and therefore the drawing trolley 2 achieves the purpose of sliding connection on the conveying rails 1 through the matching of the sliding wheel 9 and the sliding groove 8 installed on the drawing trolley 2, and further the position of the drawing trolley 2 is guaranteed to be stable when the drawing trolley is drawn, and therefore the straightness of a workpiece after being drawn is guaranteed.
In order to perfect the utility model discloses a function of double-chain cold drawing machine, be provided with fixing base 10 on delivery track 1, fixing base 10 set up with the relative one side of main sprocket 3, and be provided with regular jaw 11 on this fixing base 10, like this, when needs are treated the work piece and are drawn, the operator will treat that the work piece of drawing the processing installs to regular jaw 11's position, draws the other end of cliping the work piece on dolly 2, when the whole centre gripping of blank and back between the two, the further motion of drawing dolly 2 can draw the work piece to the specified distance.
It is known that the double-chain cold drawing machine is characterized in that two chain transmission mechanisms are driven by a driving motor, so that the production efficiency of workpieces on the two cold drawing machines is similar, and therefore, the two cold drawing machines work simultaneously, and in order to collect the drawn workpieces, a collecting box 12 is arranged between the two conveying tracks 1 and is used for collecting the drawn workpieces.
Specifically, the material receiving box 12 includes a combining edge 121, a bearing plate 122 and an inclined plate 123, and the combining edge 121, the bearing plate 122 and the inclined plate 123, wherein the combining edge 121 is overlapped on the edges of the two conveying rails 1, the bearing plate 122 is used for supporting the unloaded workpiece, and the inclined plate 123 is disposed between the combining edge 121 and the bearing plate 122 and is used for guiding the unloaded workpiece to roll off the inclined plate 123.
More preferably, the length of the magazine 12 is the same as the moving distance of the drawing carriage 2 to prevent the length of the magazine 12 from being short.
In addition, in order to facilitate smooth sliding of the pulled workpiece from the conveying track 1 to the material receiving box 12, the top surface of the conveying track 1 can be inclined towards the material receiving box 12, so that the pulled workpiece falls onto the top surface of the conveying track 1, and the conveying track 1 is inclined towards the material receiving box 12, so that the workpiece falling onto the top surface of the conveying track 1 can quickly slide into the material receiving box 12.
Specifically, the utility model discloses a principle and working process:
the utility model discloses a main sprocket 3 and from sprocket 4 by chain 5 through drawing link plate 6 and connecting block 7 formation closed loop on dolly 1, can rotate through main sprocket 3 and drive chain 5 and remove, and then realize drawing dolly 2 and remove the operation on delivery track 1, when needs are drawn the work piece, the operator will treat the work piece installation of drawing the processing to the position of regular jaw 11, draw the other end of cliping the work piece on dolly 2, after whole centre grippings of blank and between the two, the further motion of drawing dolly 2 can be drawn the work piece to the specified distance, draw the completion back, the work piece is followed delivery track 1 and is gone up smooth landing to take-up box 12, accomplish the collection work of work piece.
The design advantage of adopting the above mode lies in:
through drawing dolly sliding connection on the delivery track, make and draw the dolly position stable when drawing, guarantee the straightness accuracy after the work piece is drawn, in addition, through the receipts magazine that sets up for collect the work piece of drawing the completion, accomplish the automatic purpose of receiving of the work piece after drawing, improved the degree of automation of equipment.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. A double-chain cold-drawing machine is characterized by comprising a conveying track and a transmission mechanism for drawing a drawing trolley to move on the conveying track;
the transmission mechanism comprises a main chain wheel, a driven chain wheel and a chain connected between the main chain wheel and the driven chain wheel;
one end of the drawing trolley is provided with a hanging plate connected with the chain, and the other end of the drawing trolley is connected with the chain through a connecting block;
the conveying track is also provided with a fixed seat, and the fixed seat is provided with a fixed jaw;
a material collecting box is arranged between the two conveying rails;
the material collecting box comprises a combination edge, a bearing plate and an inclined plate, the combination edge is lapped on the edges of the two conveying rails, the bearing plate is used for supporting the unloaded workpiece, and the inclined plate is arranged between the combination edge and the bearing plate;
the conveying rails are two and arranged in parallel.
2. The double-chain cold-drawing machine according to claim 1, wherein a sliding groove is formed on one side of the outer portion of each of the two conveying rails, and a sliding wheel matched with the sliding groove is installed on the bottom of the drawing trolley.
3. The double strand cold drawing machine of claim 1, wherein the length of the take-up magazine is the same as the movement distance of the drawing carriage.
4. The double strand cold drawing machine of claim 1, wherein the top surface of the conveying track is inclined toward the material receiving box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020713071.7U CN213559176U (en) | 2020-04-30 | 2020-04-30 | Double-chain cold-drawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020713071.7U CN213559176U (en) | 2020-04-30 | 2020-04-30 | Double-chain cold-drawing machine |
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| Publication Number | Publication Date |
|---|---|
| CN213559176U true CN213559176U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020713071.7U Active CN213559176U (en) | 2020-04-30 | 2020-04-30 | Double-chain cold-drawing machine |
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| CN (1) | CN213559176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113714315A (en) * | 2021-08-25 | 2021-11-30 | 重庆荣亿精密机械有限公司 | Drawing device for nut blank |
-
2020
- 2020-04-30 CN CN202020713071.7U patent/CN213559176U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113714315A (en) * | 2021-08-25 | 2021-11-30 | 重庆荣亿精密机械有限公司 | Drawing device for nut blank |
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