CN203170858U - Hollow billet reducing device for tube push bench front table - Google Patents
Hollow billet reducing device for tube push bench front table Download PDFInfo
- Publication number
- CN203170858U CN203170858U CN 201320177124 CN201320177124U CN203170858U CN 203170858 U CN203170858 U CN 203170858U CN 201320177124 CN201320177124 CN 201320177124 CN 201320177124 U CN201320177124 U CN 201320177124U CN 203170858 U CN203170858 U CN 203170858U
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- CN
- China
- Prior art keywords
- hollow billet
- swing arm
- swinging arm
- necking machine
- positioning baffle
- Prior art date
- Legal status (The legal status 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 status listed.)
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Abstract
The utility model discloses a hollow billet reducing device for a tube push bench front table. The device comprises roller beds, a reducer, a positioning baffle mechanism and a buffering pushback mechanism, which are sequentially arranged along a pushing direction, wherein the positioning baffle mechanism comprises a swinging arm, a rotary drum, a rotating shaft and a fixed base; the rotary drum is connected with the rotating shaft through a rotating pair; the swinging arm and the rotary drum are connected into an integral structure; the rotating shaft is arranged on the fixed base; a ram for bearing the impact of a hollow billet or a mandrel is arranged at one end, away from the rotary drum, of the swinging arm; and a support wheel for supporting the swinging arm is arranged below the end part, with the ram, of the swinging arm. According to the device, a swinging arm type structure is adopted for the positioning baffle mechanism, so that the swinging arm and the ram are only required to extend into a part between a pushing bed and the reducer; and in addition, the buffering pushback mechanism for positioning and the positioning baffle mechanism are separated and arranged outside the pushing bed, so that an occupied horizontal space between the pushing bed and the reducer can be reduced, and the distance between the pushing bed and the reducer can be shortened to shorten the running distance of a pushing rack.
Description
Technical field
The utility model belongs to hot rolled seamless steel tube hollow billet reducing field, particularly a kind of push-bench foreground hollow billet reducing device.
Background technology
In the various hot rolled seamless steel tube manufacturing technique methods, pipe pushing technology is a kind of important method wherein, its main processes is, use heating furnace that solid pipe is heated to about 1250 ° of C, by Mannesmann piercing mill pipe is worn into hollow pipe again, in hollow pipe, insert plug then, use Pipe End Throat Machine the hollow pipe head to be pressed on " step " of plug head, pushing tow tooth bar promotion plug and hollow pipe by gear drive passes through a series of roller die then, each roller die inside has been formed the pass of a circle by three passive rolls, by the extruding of roll to the outer surface of hollow pipe, the hollow pipe inner surface is crushed on the plug, tightly fits, and the outer surface of hollow pipe is because the extruding of roll, external diameter is reduced, and wall thickness is thinned.Hollow pipe and the plug finished after make on the top fit together, and are transported to the mandrel bar loosening mill place by roller-way, by mandrel bar loosening mill hollow pipe and plug are rolled, and make between hollow pipe and plug and form the gap, with taking off excellent machine plug are extracted out then.Just can produce the hollow pipe of certain external diameter and wall thickness by above a series of processes.
Before the push pipe operation, the hollow pipe that punch need be worn out (be commonly referred to as and be hollow billet) carries out the pipe end location, inserts plug, reducing (namely being to use Pipe End Throat Machine that the hollow pipe head is pressed on " step " of plug head).This a series of action is finished by the hollow billet reducing device that is arranged in the push-bench foreground.Concrete process is, place hollow billet on the roller-way earlier, roller-way transports hollow billet raming to the motion of positioning baffle direction and bump positioning baffle, plug is also transported by roller-way then, penetrate hollow billet up to also knocking raming of positioning baffle, thereafter raming of positioning baffle pushes back under the effect of hydraulic cylinder, and the jaw place that the head of hollow billet and plug is positioned at necking machine carries out reducing.
Present existing hollow billet punching rod and reducing device, its positioning baffle flexible sliding bar mechanisms of a Driven by Hydraulic Cylinder that adopt come hollow billet and plug are carried out energy snubber and location more, mechanism's profile is huge, and this device is arranged in before top bed and the necking machine, take bigger horizontal space, be equivalent to increase the invalid pushing tow distance in the push pipe process like this.
The utility model content
In view of this, the purpose of this utility model provides a kind of push-bench foreground hollow billet reducing device, has shortened the distance of top bed and necking machine, thereby invalid pushing tow stroke is reduced, and reduces the range ability of pushing tow tooth bar.
The purpose of this utility model is achieved through the following technical solutions:
A kind of push-bench foreground hollow billet reducing device, comprise along the gentle refunds pushing mechanism of roller-way, necking machine, positioning baffle mechanism that the pushing tow direction sets gradually, described positioning baffle mechanism comprises swing arm, turning barrel, rotating shaft and firm banking, be connected for revolute pair between described turning barrel and rotating shaft, described swing arm and turning barrel connect as one structure, described rotating shaft is installed on the firm banking, described swing arm is provided be used to the raming of the bump that bears hollow billet or plug away from an end of turning barrel, and described swing arm is provided with the end of raming and is arranged with for the support wheel that supports swing arm;
Further, described buffering pushes back mechanism and comprises buffer base and buffer mounted thereto and push back positioning hydraulic cylinders, and the described push rod that pushes back positioning hydraulic cylinders and buffer are towards the swing arm setting;
Further, described necking machine comprises the necking machine base, goes up tong arm, tong arm, reducing hydraulic cylinder and be used for supporting the afterbody weight of necking machine and adjust tong arm angle supporting cylinder down down, described upper and lower tong arm is hinged and connected on the necking machine base, and the cylinder head of described reducing hydraulic cylinder and jackshaft are hinged with last tong arm and following tong arm respectively.
The beneficial effects of the utility model are: because positioning baffle of the present utility model mechanism has adopted the swing arm structure, therefore only need and ram swing arm and stretch between top bed and the necking machine, the buffering of locating usefulness in addition pushes back mechanism separates with positioning baffle mechanism, is arranged in the outside of top bed; Therefore, can take the horizontal space between top bed and necking machine less, shorten the distance of top bed and necking machine, be equivalent to reduce hollow billet head after the reducing and the distance between the bed of top, thus the minimizing of pushing tow stroke that will be invalid, the range ability of minimizing pushing tow tooth bar.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being apparent to those skilled in the art to investigating hereinafter, perhaps can from practice of the present utility model, obtain instruction.Target of the present utility model and other advantages can realize and obtain by following specification.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
Fig. 1 is the utility model structural representation;
Fig. 2 is the positioning baffle structural scheme of mechanism;
Fig. 3 pushes back structural scheme of mechanism for buffering;
Fig. 4 is the necking machine structural representation;
Among the figure, 1-roller-way, 2-necking machine, 3-positioning baffle mechanism, the 4-buffering pushes back mechanism, and 5-pushes up bed, 6-top bed foundation, 7-support wheel, 8-rams, 9-swing arm, 10-turning barrel, 11-rotating shaft, the 12-firm banking, the last tong arm of 13-, tong arm under the 14-, 15-reducing hydraulic cylinder, the 16-supporting cylinder, 17-necking machine base, the big base in 18-foreground, 19-buffer, 20-pushes back positioning hydraulic cylinders, 21-buffer base, hollow billet clamping device 22, plug centering clamping device 23.
The specific embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.
As shown in the figure, a kind of push-bench foreground hollow billet reducing device, comprise the roller-way 1 that sets gradually along the pushing tow direction, necking machine 2, positioning baffle mechanism 3 gentle refunds pushing mechanisms 4, described positioning baffle mechanism 3 comprises swing arm 9, turning barrel 10, rotating shaft 11 and firm banking 12,11 of described turning barrel 10 and rotating shafts are connected for revolute pair, described swing arm 9 and turning barrel 10 connect as one structure, described rotating shaft 11 is installed on the firm banking 12, described swing arm 9 away from an end of turning barrel 10 be provided be used to the bump that bears hollow billet or plug ram 8, described swing arm 9 is provided with 8 the end of raming and is arranged with for the support wheel 7 that supports swing arm.
In the present embodiment, because positioning baffle of the present utility model mechanism 3 has adopted the swing arm structure, therefore only need and ram swing arm and stretch between top bed and the necking machine, the buffering of locating usefulness in addition pushes back mechanism 4 separates with positioning baffle mechanism 3, is arranged in the outside of top bed; Therefore, can take the horizontal space between top bed and necking machine less, shorten the distance of top bed and necking machine, thereby invalid pushing tow stroke is reduced, reduce the range ability of pushing tow tooth bar.
As further improvement of this embodiment, described buffering pushes back mechanism 4 and comprises buffer base 21 and buffer mounted thereto 19 and push back positioning hydraulic cylinders 20, and described push rod and the buffer 19 that pushes back positioning hydraulic cylinders 20 arranges towards swing arm 9;
As further improvement of this embodiment, described necking machine 2 comprises necking machine base 17, goes up tong arm 13, tong arm 14, reducing hydraulic cylinder 15 and be used for supporting the afterbody weight of necking machine and adjust tong arm angle supporting cylinder 16 down down, described upper and lower tong arm is hinged and connected on the necking machine base 17, and the cylinder head of described reducing hydraulic cylinder and jackshaft are hinged with last tong arm 13 and following tong arm 14 respectively.
As shown in Figure 1, front portion at top bed 5 and top bed foundation 6, difference hairiness pipe clamping device 22, plug centering clamping device 23, during installation, along pushing tow direction (being the direction of picture arrow indication) roller-way 1, necking machine 2, positioning baffle mechanism 3 gentle refunds pushing mechanisms 4 are installed successively in hollow billet clamping device 22 and plug centering clamping device 23 1 sides, wherein buffering pushes back mechanism 4 and is installed on the top bed foundation 6, and necking machine base 17 is installed on the big base 18 in foreground of top bed 6 in addition.
The concrete course of action of present embodiment, as shown in Figure 1: hollow billet is placed on the roller-way 1, roller-way 1 transports hollow billet to the direction motion of positioning baffle 3, hollow billet bump positioning baffle 3 ram 8, under bump, swing arm 9 11 is rotated around the shaft, and swing arm 9 compression buffers 19, the energy of impact are cushioned device 19 and absorb; Plug inserts hollow billet under the transporting of roller-way 1 then, and the plug head also strikes rams on 8; Treat hollow billet and plug all with ram 8 contact after, push back positioning hydraulic cylinders 20 and stretch out, promote swing arm 9 and rotate, the head of hollow billet and plug is positioned at the position of the reducing pincers of necking machine 2, after this, 2 pairs of hollow billets of necking machine and plug carry out reducing.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (3)
1. push-bench foreground hollow billet reducing device, comprise the roller-way that sets gradually along the pushing tow direction, necking machine, the positioning baffle mechanism refunds pushing mechanism that eases up, it is characterized in that: described positioning baffle mechanism comprises swing arm, turning barrel, rotating shaft and firm banking, be connected for revolute pair between described turning barrel and rotating shaft, described swing arm and turning barrel connect as one structure, described rotating shaft is installed on the firm banking, described swing arm is provided be used to the raming of the bump that bears hollow billet or plug away from an end of turning barrel, and described swing arm is provided with the end of raming and is arranged with for the support wheel that supports swing arm.
2. a kind of push-bench according to claim 1 foreground hollow billet reducing device, it is characterized in that: described buffering pushes back mechanism and comprises buffer base and buffer mounted thereto and push back positioning hydraulic cylinders, and the described push rod that pushes back positioning hydraulic cylinders and buffer are towards the swing arm setting.
3. a kind of push-bench according to claim 1 and 2 foreground hollow billet reducing device, it is characterized in that: described necking machine comprises the necking machine base, goes up tong arm, tong arm, reducing hydraulic cylinder and be used for supporting the afterbody weight of necking machine and adjust tong arm angle supporting cylinder down down, described upper and lower tong arm is hinged and connected on the necking machine base, and the cylinder head of described reducing hydraulic cylinder and jackshaft are hinged with last tong arm and following tong arm respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320177124 CN203170858U (en) | 2013-04-10 | 2013-04-10 | Hollow billet reducing device for tube push bench front table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320177124 CN203170858U (en) | 2013-04-10 | 2013-04-10 | Hollow billet reducing device for tube push bench front table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203170858U true CN203170858U (en) | 2013-09-04 |
Family
ID=49067613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320177124 Expired - Fee Related CN203170858U (en) | 2013-04-10 | 2013-04-10 | Hollow billet reducing device for tube push bench front table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203170858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107583954A (en) * | 2017-10-18 | 2018-01-16 | 中冶赛迪装备有限公司 | Hot pull tandem rolling tubulation production line and pipe-making method |
-
2013
- 2013-04-10 CN CN 201320177124 patent/CN203170858U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107583954A (en) * | 2017-10-18 | 2018-01-16 | 中冶赛迪装备有限公司 | Hot pull tandem rolling tubulation production line and pipe-making method |
| CN107583954B (en) * | 2017-10-18 | 2024-05-14 | 中冶赛迪装备有限公司 | Hot drawing continuous rolled pipe production line and pipe manufacturing method |
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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: 20130904 Termination date: 20200410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |