CN215745781U - A liftout mechanism for spinning-lathe - Google Patents

Abstract

The utility model discloses an ejection mechanism for a spinning machine, which comprises a rotary ejection rod, a middle transition rod and an ejection oil cylinder, wherein the rotary ejection rod comprises a positioning ejection disc, an upper bearing gland, a guide bearing chamber, a lower bearing gland, an ejection block, an upper radial bearing, a locking sleeve, an upper thrust bearing, a mandrel, a middle thrust bearing, a lower radial bearing and a sealing ring, and the rotary ejection rod is positioned above a central hollow section of a main shaft and inside a spinning mandrel. The rotary ejection rod comprises a positioning ejection disc, an upper bearing gland, a guide bearing chamber, a lower bearing gland, an ejection block, an upper radial bearing, a locking sleeve, an upper thrust bearing, a mandrel, a middle thrust bearing, a lower radial bearing and a sealing ring, so that the phenomenon that the piston rod rotates and is damaged due to the fact that torque is transmitted to the piston rod of the jacking oil cylinder through the friction effect of two end faces of the middle transition rod can be avoided.

Description

A liftout mechanism for spinning-lathe

Technical Field

The utility model relates to the technical field of spinning machines, in particular to a material ejecting mechanism for a spinning machine.

Background

The spinning machine belongs to metal plastic forming machinery, an alternating current servo system is arranged on a machine body of the spinning machine, a spinning wheel frame in the system is provided with a vertical sliding frame and a horizontal sliding frame which are vertical to each other, a precise ball screw pair is adopted for horizontal and vertical feeding, and a servo motor is sequentially connected with a synchronous belt transmission pair and the precise ball screw pair; a precise ball linear guide rail is arranged below the sliding frame; a copying mechanism for the outline of the core mold is arranged on the transverse sliding seat of the rotary wheel frame; a numerical control system device for controlling a servo system and a programmable controller for controlling a hydraulic transmission system are respectively connected with an industrial PC, but the existing spinning machine is easy to rotate a piston rod in the material ejecting process, so that the machine is damaged, and therefore, the material ejecting mechanism for the spinning machine is provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a material ejecting mechanism for a spinning machine, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an liftout mechanism for spinning-lathe, includes rotatory liftout pole, middle transition pole and jacking cylinder, rotatory liftout pole is including location kicking plate, upper bearing gland, direction bearing room, lower bearing gland, kicking block, goes up radial bearing, lock sleeve, goes up thrust bearing, dabber, well thrust bearing, thrust bearing down, radial bearing and sealing washer down.

Preferably, the rotary ejector rod is positioned above the central hollow section of the main shaft and inside the spinning core mold, the middle transition rod penetrates through the upper part and the lower part of the central hollow section of the main shaft, the cylinder body of the jacking oil cylinder is arranged below the lower bearing chamber of the main shaft, and the piston rod of the jacking oil cylinder extends into the lower part of the central hollow section of the main shaft.

Preferably, the positioning material pushing disc of the rotary material pushing rod is positioned at the top and is shaped like a convex flange.

Preferably, the inner hole of the guide bearing chamber is provided with a plurality of inner steps, an upper radial bearing, an upper thrust bearing, a middle thrust bearing, a lower thrust bearing and a lower radial bearing are sequentially arranged from top to bottom, the mandrel penetrates through the inner holes of all the bearings and is arranged at the core part of the guide bearing chamber and is concentric with the guide bearing chamber, the locking sleeve is locked at the top of the mandrel, the upper thrust bearing is pressed on the corresponding mounting surface of the guide bearing chamber, the top block is arranged at the bottom of the mandrel, the upper radial bearing and the lower radial bearing are positioned at the steps at two ends of the guide bearing chamber, and the upper thrust bearing and the middle thrust bearing are assembled in a reverse mode.

Preferably, the upper bearing gland is connected below the positioning material pushing disc and is arranged on the upper end face of the guide bearing chamber, the lower bearing gland is arranged on the lower end face of the guide bearing chamber, the sealing ring is arranged in the lower bearing gland, and the inner diameter is only bound on the corresponding outer diameter of the mandrel.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model is provided with a rotary ejector rod, a middle transition rod and a jacking oil cylinder, wherein the rotary ejector rod comprises a positioning ejector plate, an upper bearing gland, a guide bearing chamber, a lower bearing gland, an ejector block, an upper radial bearing, a locking sleeve, an upper thrust bearing, a mandrel, a middle thrust bearing, a lower radial bearing and a sealing ring, an external part and an internal part can rotate relatively under the action of a bearing group, an external part comprises the positioning ejector plate, the guide bearing chamber and the like which are matched with a main shaft, a base plate, a mandrel and the like, when the rotary ejector rod works, when a piston rod of the jacking oil cylinder extends out, the middle transition rod is directly jacked and finally contacts with the ejector block at the bottom of the rotary ejector rod, so that the rotary ejector rod can integrally lift up to jack up a workpiece, the middle transition rod and the mandrel do not rotate all the time, when the main shaft stops rotating in the jacking process, the positioning ejector plate and the guide bearing chamber of the external part of the rotary ejector rod also stop rotating, the outer part positioning material pushing disc and the guide bearing chamber keep the same rotating speed as the main shaft if the main shaft does not stop rotating, namely, the outer part positioning material pushing disc and the guide bearing chamber have a certain rotating speed relative to the inner part mandrel, so that the phenomenon that the piston rod rotates and is damaged due to the fact that torque is transmitted to the piston rod of the lifting oil cylinder through the friction effect of the two end faces of the middle transition rod is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a rotary ejector pin according to the present invention.

In the figure: the device comprises a rotary ejector rod 1, a positioning ejector disc 101, an upper bearing gland 102, a guide bearing chamber 103, a lower bearing gland 104, an ejector block 105, an upper radial bearing 106, a locking sleeve 107, an upper thrust bearing 108, a mandrel 109, a middle thrust bearing 110, a lower thrust bearing 111, a lower radial bearing 112, a sealing ring 113, a middle transition rod 2 and an ejector oil cylinder 3.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The rotating ejector rod 1, the positioning ejector plate 101, the upper bearing gland 102, the guide bearing chamber 103, the lower bearing gland 104, the ejector block 105, the upper radial bearing 106, the locking sleeve 107, the upper thrust bearing 108, the mandrel 109, the middle thrust bearing 110, the lower thrust bearing 111, the lower radial bearing 112, the sealing ring 113, the middle transition rod 2 and the jacking cylinder 3 are all universal standard parts or parts known by those skilled in the art, and the structure and principle of the parts are known by those skilled in the art through technical manuals or conventional experimental methods.

Referring to fig. 1-2, an ejector mechanism for a spinning machine includes a rotary ejector rod 1, a middle transition rod 2 and an ejector cylinder 3, where the rotary ejector rod 1 includes a positioning ejector plate 101, an upper bearing cover 102, a guide bearing chamber 103, a lower bearing cover 104, an ejector block 105, an upper radial bearing 106, a locking sleeve 107, an upper thrust bearing 108, a mandrel 109, a middle thrust bearing 110, a lower thrust bearing 111, a lower radial bearing 112 and a sealing ring 113.

The rotary material ejecting rod 1 is positioned above the central hollow section of the main shaft and inside the spinning core mold, the middle transition rod 2 penetrates through the upper part and the lower part of the central hollow section of the main shaft, the cylinder body of the jacking oil cylinder 3 is arranged below the lower bearing chamber of the main shaft, and the piston rod of the jacking oil cylinder 3 extends into the lower part of the central hollow section of the main shaft.

The locating ejector plate 101 of the rotary ejector rod 1 is located at the top and is shaped like a convex flange, a boss with a raised middle is used for locating a middle hole of a workpiece, and a two-section step plane connected with the outer diameter of the boss is used for supporting an inner plane of the workpiece.

The inner hole of the guide bearing chamber 103 is processed with a plurality of inner steps for installing all bearings of the rotary ejector rod 1, an upper radial bearing 106, an upper thrust bearing 108, a middle thrust bearing 110, a lower thrust bearing 111 and a lower radial bearing 112 are sequentially installed from top to bottom, a mandrel 109 passes through the inner holes of all bearings and is installed at the core part of the guide bearing chamber 103 and is concentric with the guide bearing chamber 103, a locking sleeve 107 is locked at the top of the mandrel 109 to be used as an inner ring installation position of the upper radial bearing 106, meanwhile, the upper thrust bearing 108 is tightly pressed on a corresponding installation surface of the guide bearing chamber 103, an ejector block 105 is installed at the bottom of the mandrel 109 and is used for contacting with the middle transition rod 2, the guide bearing chamber 103 can rotate relative to the mandrel 109 under the action of all bearings and can bear the thrust of the jacking oil cylinder 3 transmitted from bottom to top through the middle transition rod 2, the ejector block 105 and the mandrel 109, the upper radial bearing 106 and the lower radial bearing 112 are located at two end steps of the guide bearing chamber 103 and used for supporting the mandrel 109 in a large-span radial direction, the upper thrust bearing 108 and the middle thrust bearing 110 are assembled in a reverse direction and can bear reverse axial force, on the premise that the locking sleeve 107 is locked, the upper thrust bearing 108 and the middle thrust bearing 110 are mainly used for limiting the two-way axial position of the mandrel 109, the lower thrust bearing 111 is used for bearing thrust from the jacking oil cylinder 3 and finally transmitting the thrust to the positioning jacking disc 101 to enable the positioning jacking disc to jack up a workpiece, the outer diameter of the guide bearing chamber 103 plays a role in guiding the overall lifting motion of the jacking rod, and the outer diameter of a boss of the positioning jacking disc 101 is preset according to a required workpiece central hole.

The upper bearing gland 102 is connected below the positioning top tray 101, is arranged on the upper end face of the guide bearing chamber 103 and is used for compressing the upper end face of the upper radial bearing 106, the lower bearing gland 104 is arranged on the lower end face of the guide bearing chamber 103 and is used for compressing the lower end face of the lower radial bearing 112, the sealing ring 113 is arranged in the lower bearing gland 104, the inner diameter is only bound on the corresponding outer diameter of the mandrel 109, and the inner part of the guide bearing chamber 103 is sealed.

When in use, the rotary ejector rod 1, the middle transition rod 2 and the jacking oil cylinder 3 are arranged, the rotary ejector rod 1 comprises a positioning ejector plate 101, an upper bearing gland 102, a guide bearing chamber 103, a lower bearing gland 104, an ejector block 105, an upper radial bearing 106, a locking sleeve 107, an upper thrust bearing 108, a mandrel 109, a middle thrust bearing 110, a lower thrust bearing 111, a lower radial bearing 112 and a sealing ring 113, the outer part and the inner part can rotate relatively under the action of a bearing group, the outer part comprises the positioning ejector plate 101, the guide bearing chamber 103 and the like which are matched with a main shaft, a cushion plate, a mandrel and the like, when in work, when a piston rod of the jacking oil cylinder 3 extends out, the middle transition rod 2 is directly jacked and finally contacts the bottom ejector block 105 of the rotary ejector rod 1, so that the rotary ejector rod 1 can integrally lift up to jack up a workpiece, and in the process, the middle transition rod 2 and the mandrel 109 do not rotate all the time, when the main shaft stops rotating in the jacking process, the outer part positioning material pushing disc 101 and the guide bearing chamber 103 of the rotary material pushing rod 1 also stop rotating and keep relatively static with the inner part, if the main shaft does not stop rotating, the outer part positioning material pushing disc 101 and the guide bearing chamber 103 keep the same rotating speed as the main shaft, namely have a certain rotating speed relative to the inner part mandrel 109, so that the phenomenon that the rotating torque is transmitted to the piston rod of the jacking oil cylinder 3 through the friction action of the two end faces of the middle transition rod 2 to cause the piston rod to rotate and be damaged is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an liftout mechanism for spinning-lathe, includes rotatory liftout pole (1), middle transition pole (2) and jacking cylinder (3), its characterized in that: the rotary ejector rod (1) comprises a positioning ejector plate (101), an upper bearing gland (102), a guide bearing chamber (103), a lower bearing gland (104), an ejector block (105), an upper radial bearing (106), a locking sleeve (107), an upper thrust bearing (108), a mandrel (109), a middle thrust bearing (110), a lower thrust bearing (111), a lower radial bearing (112) and a sealing ring (113).

2. The ejector mechanism for a spinning machine according to claim 1, wherein: the rotary material ejecting rod (1) is positioned above the central hollow section of the main shaft and inside the spinning core mold, the middle transition rod (2) penetrates through the upper part and the lower part of the central hollow section of the main shaft, the cylinder body of the jacking oil cylinder (3) is arranged below the lower bearing chamber of the main shaft, and the piston rod of the jacking oil cylinder (3) extends into the lower part of the central hollow section of the main shaft.

3. The ejector mechanism for a spinning machine according to claim 1, wherein: the positioning material pushing disc (101) of the rotary material pushing rod (1) is located on the top and is shaped like a convex flange.

4. The ejector mechanism for a spinning machine according to claim 1, wherein: the inner hole of the guide bearing chamber (103) is provided with a plurality of inner steps, an upper radial bearing (106), an upper thrust bearing (108), a middle thrust bearing (110), a lower thrust bearing (111) and a lower radial bearing (112) are sequentially arranged from top to bottom, a mandrel (109) penetrates through the inner holes of all the bearings and is arranged at the core part of the guide bearing chamber (103) and is concentric with the guide bearing chamber (103), a locking sleeve (107) is locked at the top of the mandrel (109), the upper thrust bearing (108) is tightly pressed on the corresponding mounting surface of the guide bearing chamber (103), a top block (105) is arranged at the bottom of the mandrel (109), the upper radial bearing (106) and the lower radial bearing (112) are positioned at the steps at two ends of the guide bearing chamber (103), and the upper thrust bearing (108) and the middle thrust bearing (110) are reversely assembled.

5. The ejector mechanism for a spinning machine according to claim 1, wherein: the upper bearing gland (102) is connected below the positioning material pushing disc (101) and is arranged on the upper end face of the guide bearing chamber (103), the lower bearing gland (104) is arranged on the lower end face of the guide bearing chamber (103), the sealing ring (113) is arranged in the lower bearing gland (104), and the inner diameter is only limited on the corresponding outer diameter of the mandrel (109).

Images