CN204583867U - Middle alloy seamless pipe punch pipe disc type propulsion plant - Google Patents

Abstract

The utility model discloses alloy seamless pipe punch pipe disc type propulsion plant in one, its object is to provide a kind of solution to reduce drafts and the middle alloy seamless pipe punch pipe disc type propulsion plant of the phenomenon that causes pipe not easily to nip, described device comprises pedestal, described pedestal is provided with fluid pressure type pushing ram, described pedestal side is provided with trolley track, described trolley track is provided with dolly, described dolly rear end connects the front end of described fluid pressure type pushing ram, described fluid pressure type pushing ram is retreated for controlling described dolly, described dolly front end is provided with the disk connected with roller bearing, described disk is for punch of it being nipped smoothly after installing round base.

Description

Tube billet disc propulsion device for medium alloy seamless tube piercing machine

technical field

The utility model belongs to the field of metal pressure processing, and relates to a processing device for a medium alloy seamless pipe, in particular to a pipe blank disc type propelling device for a medium alloy seamless pipe perforator.

Background technique

At present, the process of producing seamless pipes is to heat the round billet to the set temperature in the ring furnace and keep it for a certain period of time to make the temperature uniform inside and outside. The heated round billet is pierced by the piercer, and rolled by the continuous rolling mill after piercing. Manufacturing, finishing, etc. to complete the production of hot-rolled seamless pipes. For medium-alloy seamless pipes, the piercing and rolling process of the PQF unit is mainly used at present, and inward bending is prone to occur during the piercing process. This defect is a major defect in seamless steel pipes. The yield of the tube is reduced, which increases the manufacturing cost. At present, one method to solve the problem of internal folding of medium-alloy seamless pipes is to bore the round billet, that is, add a process to bore the round billet before piercing. The increase in the process increases the manufacturing cost of the seamless pipe. At the same time, Due to the heat loss phenomenon in the boring process. Another method is to adjust the piercing process, mainly to reduce the reduction of the roll. This is because the large reduction of the roll easily makes the round billet form a cavity before the plug is not in contact. The rolling process forms an inward fold, but the reduction is reduced. , the tube blank is not easy to bite into.

Contents of the invention

The technical problem to be solved by the utility model is to provide a pipe billet disc propulsion device for medium alloy seamless pipe piercing machine which solves the phenomenon that the pipe billet is not easy to bite due to the reduction of the reduction amount.

In order to achieve the above purpose, the utility model is a pipe blank disc propulsion device for a medium alloy seamless pipe piercer. The device includes a base on which a hydraulic propulsion rod is provided. There is a trolley track on the side, and a trolley is arranged on the trolley track. The rear end of the trolley is connected to the front end of the hydraulic propulsion rod. The hydraulic propulsion rod is used to control the advance and retreat of the trolley. A disc connected by a roller bearing, which is used to smoothly bite the round blank into the piercer after installation.

Wherein said dolly is a four-wheel dolly.

Wherein the disc core is threaded.

The difference between the pipe billet disc propulsion device for alloy seamless pipe piercing machine in the present invention and the prior art is that the present invention has achieved the following technical effects:

The utility model adopts a hydraulic propulsion rod to realize cycle production with free contraction, and the disc specifications can be changed to realize the applicability of multi-standard round billets. Friction loss, the most important thing is that reducing the amount of reduction can realize the smooth biting of the round billet, thereby eliminating the infolding defect caused by the cavity formed before the plug contacts the round billet in place.

Below in conjunction with accompanying drawing, the utility model is further described.

Description of drawings

Fig. 1 is a schematic diagram of the utility model structure principle;

Fig. 2 is the direct view of the disc of the present utility model;

Fig. 3 is the sectional view of the disc of the present utility model;

Fig. 4 is a direct view of the utility model roller bearing;

Fig. 5 is a sectional view of the roller bearing of the present invention;

Fig. 6 is the direct view of the push car of the utility model;

Fig. 7 is a sectional view of the push car of the utility model;

Fig. 8 is the utility model hydraulic propulsion equipment.

Explanation of reference signs: 1-base; 2-hydraulic propulsion rod; 3-trolley track; 4-four-wheel trolley; 5-roller bearing; 6-disc; 7-round blank;

Detailed ways

The above and other technical features and advantages of the present utility model will be described in more detail below in conjunction with the accompanying drawings and embodiments.

As shown in Figures 1-8, the utility model is a pipe billet disc propulsion device for a medium alloy seamless pipe piercer. The device includes a base 1, and a hydraulic propulsion rod 2 is arranged on the base. One side of the base 1 is provided with a trolley track 3, and the trolley track 3 is provided with a four-wheeled trolley 4, the rear end of the four-wheeled trolley 4 is connected to the front end of the hydraulic propulsion rod 2, and the hydraulic propulsion rod 2 is used to control the advance and retreat of the four-wheel trolley 4 , the front end of four-wheel trolley 4 is provided with the threaded disk 6 of the heart portion that is connected with roller bearing 5, and disk 6 is used for installing round blank 7 and then bites it into punching machine 8 smoothly.

The hydraulic propulsion rod 2 is fixed through the base 1, the hydraulic propulsion rod 2 can do reciprocating periodic motion, and is connected with the four-wheel trolley 4, and the four wheels of the four-wheel trolley 4 run on the trolley track 3, thereby ensuring the hydraulic propulsion rod 2 straightness. The four-wheel trolley 4 is connected with the rolling bearing 5, and the rolling bearing 5 is linked with the disc 6. The rolling bearing 5 controls the circular motion of the disc 6 and the round billet 7 after contacting. The disc 6 has various specifications, and can be loaded and unloaded according to different round billet 7 specifications. The billet 7 is transported to the front end of the piercing machine 8, and the round billet 7 is driven by starting the disc-type propulsion trolley of the pipe billet 7 to promote the smooth biting of the pipe billet 7. The outer diameter of the disc 6 can be replaced according to the specifications of the perforated round billet 7. After the disc 6 contacts with the round billet 7, it can be driven by the round billet 7 to rotate at the same rotation speed. After the round billet 7 passes through the punching machine 8, the tube billet disc pusher returns to the original way, and a working cycle is completed.

The above-mentioned embodiments are only described to the preferred implementation of the utility model, and are not limited to the scope of the utility model. Various modifications and improvements made should fall within the scope of protection determined by the claims of the utility model.

Claims (3)

1. A pipe billet disc propulsion device for a medium alloy seamless pipe piercer, characterized in that: the device includes a base, the base is provided with a hydraulic propulsion rod, and one side of the base is provided with There is a trolley track, on which a trolley is set, the rear end of the trolley is connected to the front end of the hydraulic propulsion rod, and the hydraulic propulsion rod is used to control the advance and retreat of the trolley, and the front end of the trolley is provided with a roller A bearing-connected disc used to smoothly bite the round blank into the piercer after installation. 2. The pipe billet disc propulsion device for the medium alloy seamless pipe piercing machine according to claim 1, characterized in that: the trolley is a four-wheel trolley. 3. The pipe billet disc propulsion device for the medium alloy seamless pipe piercer according to claim 1, characterized in that: the center of the disc is threaded.