CN210552027U

CN210552027U - Horizontal fettling forming device for cylindrical porcelain insulator

Info

Publication number: CN210552027U
Application number: CN201920647353.9U
Authority: CN
Inventors: 欧阳建军; 谢湖萍; 易丽平
Original assignee: Jiangxi Shanggao Electric Porcelain Co Ltd
Current assignee: Jiangxi Shanggao Electric Porcelain Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-05-19
Anticipated expiration: 2029-05-08

Abstract

The utility model discloses a horizontal fettling forming device for cylindrical porcelain insulators, which comprises a rotary disc driven by a power box, a rotary and movable holding pressure disc, a holding pressure disc contacted with the bottom surface of a cylindrical porcelain insulator blank, an upper compression roller contacted with and separated from the top surface of the cylindrical porcelain insulator blank, a side compression roller and a lower support roller arranged between the rotary disc and the holding pressure disc, an auxiliary fettling knife capable of cutting off mud in the middle of a shed groove and a main fettling knife capable of forming the shed groove later arranged on one side of the cylindrical porcelain insulator blank, wherein the auxiliary fettling knife and the main fettling knife are arranged on a knife seat body capable of moving left and right, and the main fettling knife is provided with a tail groove fettling knife, the utility model adopts horizontal rotary fettling to complete the processing of all sheds once, thereby reducing the fettling time of the sheds, improving the processing efficiency, reducing the working time cost, preventing the deformation of the sheds and improving the product quality, reduces energy consumption and is beneficial to the large-scale production of the porcelain insulator.

Description

Horizontal fettling forming device for cylindrical porcelain insulator

Technical Field

The utility model relates to a porcelain insulator manufacture equipment especially relates to a full skirt fettling forming device of cylindricality porcelain insulator.

Background

In high-voltage power transmission and transformation equipment, the column-shaped porcelain insulator is an essential important component in a power grid, and particularly, in medium and low-voltage power transmission lines, the use amount of small and medium-sized column-shaped porcelain insulators is large. The structural form of the small and medium cylindrical porcelain insulator is characterized in that the number of the umbrella skirts is 4-10, the radian of the inner surface and the outer surface of the umbrella skirts is relatively flat, and the outer diameter of the umbrella skirts is relatively small. However, most of the existing umbrella skirt forming processes of small and medium-sized cylindrical porcelain insulators are that a blank body is vertically fixed on a rotating template, and then a fettling knife is used for sequentially cutting off pugs in an umbrella skirt groove from top to bottom on the rotating blank body, so that an umbrella skirt is formed. The medium and small-sized porcelain insulator umbrella skirt trimming has the following problems; firstly, the shed groove is long in fettling time, the processing efficiency is low, the working hour cost is high, meanwhile, unbalanced processes can be formed, and the large-scale production of the porcelain insulator is not facilitated, and secondly, the shed formed from bottom to bottom is still in a wet state, the formed shed is easy to creep in the rotary processing of the shed below, the shed is irregular in shape after being fired at high temperature, and even microcracks occur, so that the use of the porcelain insulator is influenced; and then, the one-time mud cutting amount is large during blank trimming, the mud discharge is not smooth, the mud cutting resistance is large, and the energy consumption is high.

SUMMERY OF THE UTILITY MODEL

To the problem that middle-size and small-size cylindricality porcelain insulator exists among the above-mentioned prior art, the utility model provides a can simultaneous processing full skirt groove improves machining efficiency, reduces man-hour cost to be favorable to improving the horizontal fettling forming device of porcelain insulator that the product burns till the quality and is favorable to the scale production.

The to-be-solved technical problem of the utility model is that: a horizontal trimming and forming device for a cylindrical porcelain insulator comprises a rotary disc driven by a power box to rotate and move, a holding pressure plate which can rotate and move is arranged, the rotary disc is matched with the curved top surface of a cylindrical porcelain insulator blank body, the holding pressure plate is contacted with the bottom surface of the cylindrical porcelain insulator blank body, an upper compression roller which is contacted with and separated from the upper surface of the cylindrical porcelain insulator blank body is arranged between the rotary disc and the holding pressure plate, a side pressure roller which is contacted with the side surface of the cylindrical porcelain insulator blank body is arranged between the rotary disc and the holding pressure plate, lower supporting rollers which are contacted with the lower surface of the cylindrical porcelain insulator blank body are symmetrically arranged between the rotary disc and the holding pressure plate, an auxiliary trimming cutter which can cut off mud in the middle of an umbrella skirt groove and a main trimming cutter which can form the umbrella skirt groove later are arranged on one side of the cylindrical porcelain insulator blank body opposite to the side pressure roller, the auxiliary trimming cutter and, the auxiliary fettling knife contacts with the rotating cylindrical porcelain insulator blank firstly, the main fettling knife contacts with the rotating cylindrical porcelain insulator blank, discharge holes are formed in the auxiliary fettling knife and the main fettling knife, the discharge holes can move along the radial direction of the cylindrical porcelain insulator blank synchronously, and a tail groove fettling knife is arranged on the main fettling knife located at the bottom surface of the cylindrical porcelain insulator blank.

The utility model carries out umbrella skirt trimming processing on a cylindrical insulator with a processed curved top surface in advance, one end of the top of a cylindrical insulator blank body is horizontally sleeved on a formed turntable, the cylindrical insulator blank body is horizontally arranged on a lower supporting roller, a lateral pressing roller and an upper pressing roller are close to the cylindrical insulator blank body, a pressure holding plate is moved to make the pressure holding plate contact with the bottom surface of the cylindrical insulator blank body, a trimming cutter is moved to make an auxiliary trimming cutter paste the farthest point (the diameter end point) of the side surface of the cylindrical insulator blank body, then a main trimming cutter is separated from the side surface (the distance between the main trimming cutter and the side surface is determined by a specific product), the cutter seat bodies of the auxiliary trimming cutter and the main trimming cutter are moved a distance to the left (the main trimming cutter opens a platform to cut materials (when the distance between the auxiliary trimming cutter and the umbrella skirt groove depth is 3-5 mm, the main trimming cutter begins to cut materials), the method comprises the steps of enabling the surface of a groove machined by an auxiliary fettling knife and the surface of a formed umbrella skirt groove to have 3-5 mm of allowance, then fettling the umbrella skirt groove by a main fettling knife behind the auxiliary fettling knife, cutting off excess mud to form the umbrella skirt groove, synchronously finishing a tail groove on a lower core head positioned at the bottom surface of a blank body by a tail groove fettling knife arranged on the main fettling knife, withdrawing the fettling knife, lifting an upper compression roller, taking out a cylindrical porcelain insulator with the processed umbrella skirt groove, and turning to a next procedure to finish the trimming of a round angle at the end part of an umbrella skirt.

The utility model discloses according to the characteristics of the full skirt of middle-size and small-size cylindricality porcelain insulator, adopt the horizontal rotatory fettling once to accomplish the processing of all full skirts, both reducible full skirt fettling time improves machining efficiency, reduces man-hour cost, still can prevent that the full skirt from warping, improves product quality, reduces energy consumption to be favorable to porcelain insulator's large-scale production.

Drawings

Figure 1 is a main sectional structure diagram of the utility model,

3 figure 32 3 is 3 a 3 schematic 3 cross 3- 3 sectional 3 view 3 a 3- 3 a 3 of 3 figure 31 3, 3

Figure 3 is a schematic view of the structure of the direction B (minor fettling knife) in figure 2,

figure 4 is a schematic view of the structure of figure 2 in the direction C (main trimming cutter),

fig. 5 is a schematic structural diagram of a machined blank with a curved top surface.

In the figure, 1, a main machine base 2, a power box 3, a chuck 4, a rotary table 5, a cylinder 6, a top surface 7, a lifting rod 8, a transverse shaft 9, an upper press roll 10, a cantilever 11, an upper bearing seat 12, a holding pressure plate 13, a tip 14, a bearing cover 15, a main nut 16, a screw shaft 17, a rocker 18, an intermediate bearing 19, a main base 20, a lower bearing seat 21, a cylindrical porcelain insulator blank 22, a tail groove 23, a shed groove 24, a lower carrier roller 25, a lower support 26, a shed 27, a main blank trimming cutter 28, a main discharging hole 29, a tail groove blank trimming cutter 30, a fastening screw 31, a main cutter handle 32, a cutter base body 33, an auxiliary blank trimming cutter 34, an auxiliary cutter handle 35, an auxiliary discharging hole 36, a side press roll 37, a cutter base body moving screw 38, a guide rail 39, a hand wheel 40, a screw base 41, a cutter base 42, an auxiliary nut, And a side support.

Detailed Description

In the figure, a horizontal trimming and forming device for a cylindrical porcelain insulator comprises a rotary table 4 driven by a power box 2 to rotate, a holding pressure plate 12 capable of rotating and moving, wherein the power box is arranged on a main machine base 1, the rotary table is provided with a top surface 6 which is a curved surface, the top surface of the rotary table corresponds to the shape of the top surface of the processed cylindrical porcelain insulator, a conical head is arranged in the middle of the rotary table, the rotary table extends into the power box and is fixed by a chuck 3 rotating along with the power box, the rotary table can be taken out by loosening the chuck, the rotary table is matched with the curved top surface of a cylindrical porcelain insulator blank body, the holding pressure plate is contacted with the bottom surface (namely the right end surface in the figure 1) of the cylindrical porcelain insulator blank body 21, a cylinder 5 and an umbrella skirt 26 connected with the cylinder are arranged on the cylindrical porcelain insulator blank body, an upper compression roller 9 contacted with and separated from the upper surface (the, two ends of an upper compression roller are supported on an upper bearing seat 11, the upper bearing seat is connected with one end of a cantilever 10, the other end of the cantilever is connected with a cross shaft 8, the cross shaft is fixed on a wall body or a metal frame body, a lifting rod 7 is fixedly arranged on the cross shaft, the cantilever can rotate around the cross shaft by manual lifting, the upper compression roller is lifted to be away from a cylindrical porcelain insulator blank body, the blank body is convenient to load and take out, a holding pressure plate is movably connected with one end of a screw shaft 16 by an intermediate bearing 18 and a bearing cover 14, the other end of the screw shaft is matched with a main nut 15 and is provided with a rocker 17, the main nut is fixed on a main support seat 19, a top 13 is arranged on the side surface of the holding pressure plate and can be inserted into the bottom surface of the blank body, a side compression roller 36 which is contacted with the side surface of the cylindrical porcelain insulator blank body is arranged between the rotary plate and the holding pressure plate, the, the lower carrier roller is movably arranged on a lower support 25 by a lower bearing seat 20, one side of a cylindrical porcelain insulator blank body opposite to a side press roller is provided with an auxiliary trimming cutter 33 capable of cutting mud in the middle of a shed groove and a main trimming cutter 27 capable of forming the shed groove later, the number and the distribution position of the auxiliary trimming cutters 33 correspond to the number and the position of the shed groove, the auxiliary trimming cutter is connected with an auxiliary cutter handle 34, the auxiliary cutter handle is fixed in the cutter handle groove of a cutter seat body 32 by a fastening screw 30, the number and the distribution position of the main trimming cutter 27 correspond to the number and the position of the shed groove 23, the main trimming cutter is connected with a main cutter handle 31, the main cutter handle is fixed in the cutter handle groove of the cutter seat body 32 by the fastening screw 30, the lower part of the cutter seat body 32 is fixedly connected with an auxiliary nut 42, the cutter seat body can move on a guide rail 38 of the cutter seat body 41, the cutter seat body moving screw 37 is arranged on the cutter seat, the cutter body moving screw is supported, the tool apron body moves screw rod one end and connects and uses hand wheel 39, rotates the hand wheel and can make the tool apron body move about to drive main fettling sword and vice fettling sword and remove (as shown in fig. 2), vice fettling sword and main fettling sword set up on the tool apron body that can remove about, vice fettling sword contacts earlier with rotatory cylindrical porcelain insulator body earlier, main fettling sword again with rotatory cylindrical porcelain insulator body contact, be provided with vice relief hole 35 and main relief hole 28 on vice fettling sword and the main fettling sword respectively, vice fettling sword and main fettling sword can be synchronous along cylindrical porcelain insulator body radial movement, are located and are provided with tail groove fettling sword 29 on the main fettling sword of cylindrical porcelain insulator body bottom surface tail groove 22. The main fettling knife, the auxiliary fettling knife and the tail groove fettling knife are made of stainless steel or alloy tool steel, the thickness of the knives is controlled to be 1.2-1.8 mm, the thickness of the knife handle is 1.5-2 mm, and the knife edge is a sharp opening.

Claims

1. The utility model provides a horizontal fettling forming device of cylindricality porcelain insulator, characterized by: it includes by headstock (2) drive rotatory carousel (4), can do the pressure disk (12) of holding of rotation and removal, the carousel matches with the curved top surface of cylindricality porcelain insulator body (21), it contacts with cylindricality porcelain insulator body bottom surface to hold the pressure disk, the carousel with hold and be provided with between the pressure disk and contact with the last compression roller (9) of separation with cylindricality porcelain insulator body upper portion surface, be provided with between carousel and the pressure disk with hold the side compression roller (36) that contacts with cylindricality porcelain insulator body side surface, the carousel with hold between the pressure disk symmetry be provided with the lower roll (24) that contact with cylindricality porcelain insulator body lower part surface, be provided with vice repairment sword (33) that can cut umbrella skirt groove (23) middle mud material and can form main repairment sword (27) of umbrella skirt groove afterwards on cylindricality porcelain insulator body one side relative with the side compression roller, vice repairment sword and main repairment sword set up on can remove knife base (32) about, the auxiliary fettling knife contacts with the rotating cylindrical porcelain insulator blank firstly, the main fettling knife contacts with the rotating cylindrical porcelain insulator blank, discharge holes are formed in the auxiliary fettling knife and the main fettling knife, the discharge holes can move along the radial direction of the cylindrical porcelain insulator blank synchronously, and a tail groove fettling knife (29) is arranged on the main fettling knife located at the bottom surface of the cylindrical porcelain insulator blank.

2. The horizontal fettling forming device for the cylindrical porcelain insulator, as claimed in claim 1, is characterized in that: be connected with vice handle of a knife (34) on vice fettling sword (33), vice handle of a knife is fixed at the handle of a knife inslot of blade holder body (32) with fastening screw (30), be connected with main handle of a knife (31) on the main fettling sword, main handle of a knife is fixed at the handle of a knife inslot of blade holder body (32) with fastening screw (30), the vice nut (42) of blade holder body lower part fixedly connected with, the blade holder body can move on guide rail (38) of knife rest (41), be equipped with blade holder body removal screw (37) on the knife rest, the blade holder body removes the screw and supports on the knife rest with passing through screw seat (40), the blade holder body removes screw one end and connects and uses hand wheel.