CN203235767U - Device for processing high-accuracy cold-drawn shaft - Google Patents
Device for processing high-accuracy cold-drawn shaft Download PDFInfo
- Publication number
- CN203235767U CN203235767U CN 201320279931 CN201320279931U CN203235767U CN 203235767 U CN203235767 U CN 203235767U CN 201320279931 CN201320279931 CN 201320279931 CN 201320279931 U CN201320279931 U CN 201320279931U CN 203235767 U CN203235767 U CN 203235767U
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- cold
- hook
- master cylinder
- drawn
- draw frame
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a device for processing a high-accuracy cold-drawn shaft. The device comprises a lathe body, a drawing rack, one or more master cylinders, a driving wheel, bearings and claws, wherein the lathe body is arranged in the drawing rack, a hydraulic motor and a speed reducer are arranged in the drawing rack, a rotary shaft of the hydraulic motor is connected with a power input terminal of the speed reducer, a power output terminal of the speed reducer is connected with the driving wheel, end parts of piston rods of the master cylinders are axially fixed to the lathe body through the bearings, support lugs are arranged at the two sides of each master cylinder and are connected with the claws through pin shafts, and guide rails are arranged on the drawing rack. According to the device, due to the adoption of a horizontal guide rail structure, the continuous cold drawing work is realized, and the drawn accuracy of the cold-drawn shaft is guaranteed; and as hydraulic transmission is stable in operation, the concentricity of drawing force and the center of the cold-drawn shaft is guaranteed structurally, so that the quality of products is improved.
Description
Technical field
The utility model relates to a kind of processing unit (plant) of cold-drawn axle, refers more particularly to a kind of processing unit (plant) of high accuracy cold-drawn axle.
Background technology
Its process principle of cold-drawn axle production technology be with blank under the effect of external force, make it that plastic deformation occur, reach required size and precision, realize the processing purpose.Prepare accurate seamless cold-drawn axle with drawbench, the mechanical performance, the production efficiency advantages of higher that have that stock utilization is high, rapid shaping, raising are added part.Existing drawbench is divided into the polytypes such as chain type, rack-and-pinion, screw type, steel cable type, fluid pressure type by the kind of drive.Mechanically operated drawbench has common shortcoming: complex structure, huge, energy consumption is large, kinematic accuracy is low, instantaneous velocity is inhomogeneous, can produce vibrations in the process of tube plug drawing mill, can not guarantee that the crystal grain of workpiece material is along the moulding of cold-drawn direction, chain-drive mechanism particularly, after the chain sprocket wearing and tearing, can produce periodic shock, directly affect the precision of finished product.Be in particular in the internal stress that generation is larger in the Cold Drawing Process (abbreviation residual stress), easily occur drawing the phenomenons such as road, jutter, jutter, cracking (lobe), pit, drawing fracture, had a strong impact on product quality and yield rate.
The utility model content
The purpose of this utility model provides a kind of kinematic accuracy high with regard to being in order to address the above problem, the processing unit (plant) of the high accuracy cold-drawn axle that periodic shock is little.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises car body, the draw frame, master cylinder, driving wheel, master cylinder, supporting and hook, described car body is arranged in the described draw frame, be provided with hydraulic motor and reductor in the described draw frame, the rotating shaft of described hydraulic motor is connected with the power intake of described reductor, the clutch end of described reductor is connected with driving wheel, described master cylinder is one or more, the end of the piston rod of described master cylinder is by supporting and described car body axial restraint, the both sides of described master cylinder are provided with journal stirrup, described journal stirrup is connected with hook by bearing pin, be provided with guide rail on the described draw frame, be provided with roller on the described hook and cooperatively interact with described guide rail, be provided with pin shaft hole on the described draw frame, the pawl head of described hook is arranged in the described pin shaft hole.
Further, the middle part of described hook is provided with spring, and an end of described spring is connected with the middle part of described hook, and the other end of described spring is connected with described master cylinder.
The beneficial effects of the utility model are:
The utility model has adopted the structure of Multi-cylinder, realize the continuous operation of cold-drawn, guaranteed the draw precision of cold-drawn axle, because hydraulic drive operates steadily, structurally guarantee again the concentric of Drawing Force and cold-drawn axle center, thereby improved Product Precision, can independently adjust draw length, cold-drawn shaft length by draw is reliable, precision is high, meets the requirement of and permanent tension force tight with steel clamp.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure: 1-chuck, 2-clamping cylinder, 3-journal stirrup, 4-hook, 5-supporting, 6-draw frame, the 7-driving wheel, 8-driven pulley, 9-pin shaft hole, 10-bearing pin, 11-master cylinder, the 12-spring, 13-guide rail, 14-roller, 15-car body 16-hydraulic motor 17-reductor, 18-cam bit.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, the utility model comprises car body 15, draw frame 6, master cylinder 11, driving wheel 7, master cylinder 11, supporting 5 and hook 4, car body 15 is arranged in the draw frame 6, be provided with hydraulic motor 16 and reductor 17 in the draw frame 6, the rotating shaft of hydraulic motor 16 is connected with the power intake of reductor 17, the clutch end of reductor 17 is connected with driving wheel 7, master cylinder 11 is one or more, the end of the piston rod of master cylinder 11 is by supporting 5 and car body 15 axial restraints, the both sides of master cylinder 11 are provided with journal stirrup 3, journal stirrup 3 is connected with hook 4 by bearing pin 10, be provided with guide rail 13 on the draw frame 6, be provided with roller 14 on the hook 4 and cooperatively interact with guide rail 13, be provided with pin shaft hole 9 on the draw frame 6, the pawl head of hook 4 is arranged in the pin shaft hole 9.
As shown in Figure 1, the middle part of hook 4 is provided with spring 12, and an end of spring 12 is connected with the middle part of hook, and the other end of spring 12 is connected with master cylinder 11, can be so that the hook Rapid reset.
In the present embodiment, master cylinder is two, the car body of drawn-car is by 4 wheel supportings, the first two wheel is driving wheel 7, drive by reductor 17 with hydraulic motor 16, make car body 15 along the orbital motion of guide rail 13, at car body 15 two identical master cylinders 11 are housed, the end of the piston rod of each master cylinder 11 is all by supporting 5 and car body 15 axial restraints, journal stirrup 3. each journal stirrup 3 are housed in the both sides of master cylinder 11 hook 4 is housed, hook 4 can rotate by the bearing pin 10 on journal stirrup 3, respectively fill a roller 14 at the middle part of each hook 4, when the relative car bodies 15 of master cylinder 11 slided, roller 4 will be according to the regulation that is contained in the cam bit on the car body, hook 4 is opened or draws in.When hook 4 opens, can hook the pin shaft hole 9 that is fixed on the draw frame.When hook 4 draws in, namely throw off with pin shaft hole 9, and also can not interfere with pin shaft hole 9 when draw frame 6 is moved at car body 15, chuck is housed in car body 15 rear ends is used for clamping by the cold-drawn axle of draw.
During draw cold-drawn axle, at first the cold-drawn shaft end head is passed through the withdrawing pattern seat, then start clamping cylinder and make chuck clip the cold-drawn shaft end head, the cold-drawn axle is in the draw state for the treatment of.Drawn-car is in original position, and whole process of tube plug drawing mill can be summarized as: A cylinder draw-twin-tub draw-B cylinder draw-twin-tub draw-A cylinder draw, after draw finished, primer fluid pressure motor 16 drove dolly fast return home position.
Below only be preferred embodiment of the present utility model, not in order to limiting the utility model, all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included in the protection domain of the present utility model.
Claims (2)
1. the processing unit (plant) of a high accuracy cold-drawn axle, it is characterized in that, comprise car body (15), draw frame (6), master cylinder (11), driving wheel (7), master cylinder (11), supporting (5) and hook (4), car body (15) is arranged in the draw frame (6), be provided with hydraulic motor (16) and reductor (17) in the draw frame (6), the rotating shaft of hydraulic motor (16) is connected with the power intake of reductor (17), the clutch end of reductor (17) is connected with driving wheel (7), master cylinder (11) is one or more, the end of the piston rod of master cylinder (11) is by supporting (5) and car body (15) axial restraint, the both sides of master cylinder (11) are provided with journal stirrup (3), journal stirrup (3) is connected with hook (4) by bearing pin (10), be provided with guide rail (13) on the draw frame (6), be provided with roller (14) on the hook (4) and cooperatively interact with guide rail (13), be provided with pin shaft hole (9) on the draw frame (6), the pawl head of hook (4) is arranged in the pin shaft hole (9).
2. the processing unit (plant) of a kind of high accuracy cold-drawn axle according to claim 1, it is characterized in that: the middle part of described hook (4) is provided with spring (12), one end of described spring (12) is connected with the middle part of described hook, and the other end of described spring (12) is connected with described master cylinder (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320279931 CN203235767U (en) | 2013-05-21 | 2013-05-21 | Device for processing high-accuracy cold-drawn shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320279931 CN203235767U (en) | 2013-05-21 | 2013-05-21 | Device for processing high-accuracy cold-drawn shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203235767U true CN203235767U (en) | 2013-10-16 |
Family
ID=49313101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320279931 Expired - Fee Related CN203235767U (en) | 2013-05-21 | 2013-05-21 | Device for processing high-accuracy cold-drawn shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203235767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787768A (en) * | 2018-08-13 | 2018-11-13 | 昌邑市亨达冷拔机械有限公司 | A kind of high-performance rebar drawbench |
-
2013
- 2013-05-21 CN CN 201320279931 patent/CN203235767U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787768A (en) * | 2018-08-13 | 2018-11-13 | 昌邑市亨达冷拔机械有限公司 | A kind of high-performance rebar drawbench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20150521 |
|
| EXPY | Termination of patent right or utility model |