U-shaped groove fitting ear groove milling tool for composite insulator

Abstract

The embodiment of the utility model provides a U-shaped groove fitting ear groove milling tool for a composite insulator, which comprises a main body bracket, a leveling mechanism and a fixing mechanism, the main body bracket comprises a bottom plate, a stand column and a top plate, the top plate is positioned above the bottom plate, and one ends of the bottom plate and the top plate on the same side are connected through the stand column; the leveling mechanism comprises a cushion block and a correction block, the cushion block is arranged on the bottom plate, and the correction block is connected to the lower portion of the top plate through a spring pin assembly and located over the cushion block. The fixing mechanism comprises a supporting block, a clamping block and a clamping air cylinder, the supporting block is arranged on the bottom plate, the clamping air cylinder is arranged on the upper side of the top plate, a telescopic rod penetrates through the top plate and extends out of the lower side, the clamping block is connected to the lower end of the telescopic rod and located over the supporting block, and the upper end of the supporting block and the lower end of the clamping block are each provided with an arc-shaped groove matched with the middle connecting rod portion of the hardware fitting. By adopting the technical scheme, the ear groove milling process of the U-shaped groove fitting can be optimized, and the ear groove milling production efficiency of the U-shaped groove fitting is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to power hardware production technical field, concretely relates to a kind of U-shaped groove hardware milling ear groove tool for composite insulator. BACKGROUND

[0002] Power hardware is the metal accessory of connection and combination various devices in power system, to transfer mechanical load, electrical load and certain protective effect, U-shaped groove hardware is a kind of commonly used for composite insulator, as shown in figure, U-shaped groove hardware includes tail flange, middle connecting rod, front U-shaped groove, each part section is unevenly distributed along the axial direction. Figure 1

[0003] At present, the production of U-shaped groove hardware for composite insulator mainly adopts hot forging pressure process, embryo is heated and then hot extrusion, this manufacturing process has the advantages of simple die, mature technology etc., but due to the structural characteristics of U-shaped groove hardware and simple die and other factors, the U-shaped groove hardware produced by this extrusion forming mode has the defects of easy skin in ear groove, not easy to form, and distortion, closing and deformation problems. To repair this defect, usually need to use turning and milling combination or machining center, but turning and milling combination and machining center equipment need to be clamped several times to complete milling ear groove, the efficiency is low, and a lot of manpower and equipment resources are wasted. UTILITY MODEL CONTENTS

[0004] In order to better solve the above problems, the utility model provides a kind of U-shaped groove hardware milling ear groove tool for composite insulator, which optimizes U-shaped groove hardware milling ear groove process, and can greatly improve the production efficiency of U-shaped groove hardware milling ear groove.

[0005] To achieve the above purpose, the utility model embodiment provides a kind of U-shaped groove hardware milling ear groove tool for composite insulator, including main support, leveling mechanism and fixed mechanism, main support includes bottom plate, stand and top plate, top plate is located above bottom plate, and one end of bottom plate and top plate same side is connected by stand;Leveling mechanism includes pad and correction block, pad is set on bottom plate, correction block is connected below top plate and located directly above pad by spring pin assembly;Fixed mechanism includes supporting block, clamping block and clamping cylinder, supporting block is set on bottom plate, clamping cylinder is set on top plate upper side and telescopic rod passes through top plate and extends from lower side, clamping block is connected at the lower end of telescopic rod and located directly above supporting block, and the upper end of supporting block and the lower end of clamping block are all provided with arc-shaped groove matched with middle connecting rod part of hardware.

[0006] Optionally, the upper end of pad is provided with height-adjustable adjusting part, including adjusting plate and multiple fine adjustment screws, the top end of multiple fine adjustment screws is rotatably connected with the bottom of adjusting plate, and the bottom end is threadedly connected with the top of pad.

[0007] ​Optionally, the spring pin assembly comprises two pins, the two pins are connected with two sides of the top surface of the correction block respectively after penetrating through the top plate from the top plate upper side, and springs are arranged between the top of the two pins and the top plate.

[0008] Optionally, the fixing mechanism further comprises a positioning block, the positioning block is movably arranged at the top end of the inner side wall of the supporting block.

[0009] Optionally, the fixing mechanism further comprises a locking piece, used for locking the positioning block on the inner side wall of the supporting block.

[0010] Optionally, the locking piece comprises a buckle assembly or a screw assembly.

[0011] Optionally, the fixing mechanism further comprises a jacking cylinder, arranged at the outer side of the abutting place of the supporting block and the clamping block, used for jacking the U-shaped groove fitting to be processed at the tail end.

[0012] The U-shaped groove fitting ear groove milling tool for composite insulators has the advantages of simple structure, reliable performance, convenient operation and the like, and can improve the production efficiency by 80% and reduce the production cost effectively compared with the ear groove milling process of the existing turning and milling composite and machining center.

[0013] The U-shaped groove fitting ear groove milling tool for composite insulators has the advantages of simple structure, reliable performance, convenient operation and the like, and can improve the production efficiency by 80% and reduce the production cost effectively compared with the ear groove milling process of the existing turning and milling composite and machining center. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1 FIG. 1 is a structural schematic view of the U-shaped groove fitting for composite insulators according to the present application;

[0016] Figure 2 FIG. 2 is a structural schematic view of the U-shaped groove fitting ear groove milling tool for composite insulators according to the present application;

[0017] Figure 3The utility model discloses a right view of the U-shaped groove hardware ear groove milling tool for composite insulator.

[0018] Reference signs:

[0019] 1, bottom plate, 2, stand, 3, top plate, 4, cushion block, 5, correction block, 6, spring, 7, pin, 8, adjusting plate, 9, fine adjustment screw, 10, supporting block, 11, positioning block, 12, clamping block, 13, clamping cylinder, 14, workpiece. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent and easy to understand, the specific embodiment of the utility model is described in detail below. In the following description, a lot of specific details are set forth in order to fully understand the utility model. However, the utility model can be implemented in many other ways different from the description herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the following disclosed base body implementation.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0022] As Figures 2-3 The utility model discloses a U-shaped groove hardware ear groove milling tool for composite insulator, including main support, leveling mechanism and fixed mechanism. Among them, the main support includes bottom plate 1, stand 2 and top plate 3, and top plate 3 is located above bottom plate 1, and the same side of bottom plate 1 and top plate 3 is connected through stand 2. The leveling mechanism includes cushion block 4 and correction block 5, cushion block 4 is set up on bottom plate 1, and correction block 5 is connected below top plate 3 and is located directly above cushion block 4 through spring pin assembly. The fixed mechanism includes supporting block 10, clamping block 12 and clamping cylinder 13, supporting block 10 is set up on bottom plate 1, clamping cylinder 13 is set up on top plate 3 upside and telescopic rod passes through top plate 3 and extends from downside, clamping block 12 is connected at the lower end of telescopic rod and is located directly above supporting block 10, and the upper end of supporting block 10 and the lower end of clamping block 12 all have arc-shaped recesses matched with the intermediate connecting rod part of hardware.

[0023] The main support is used for installing and supporting the leveling mechanism and the fixing mechanism. The column 2 connects the left side of the bottom plate 1 and the left side of the top plate 3. The bottom end of the column 2 is connected to the upper side of the left end of the bottom plate 1 through a pin or the like. The top end is connected to the lower side of the left end of the top plate 3. The main support is a frame with a right-side gap. The column 2 serves as a connection and support. The column 2 can be one, two or more, which can ensure the stability of the support.

[0024] The workpiece 14 (U-shaped groove fitting) to be processed can be placed horizontally in the tool. Specifically, the double ears (two side plates of the U-shaped groove) are placed at the leveling mechanism, and the middle connecting rod is placed at the fixing mechanism. The leveling mechanism is used to adjust the workpiece to a horizontal state. The fixing mechanism is used to stably fix the workpiece. The upper and lower ears of the workpiece 14 are placed one above the other, with the lower ear resting on the upper side of the pad block 4, and the upper ear abutting the lower side of the correction block 5. The connecting rod of the workpiece 14 is clamped by the arc-shaped groove of the clamping block 12 and the supporting block 10. In this embodiment, the heights of the pad block 4 and the supporting block 10 are matched with the heights of the lower ear and the middle connecting rod of the horizontally placed workpiece 14, respectively.

[0025] Optionally, the upper end of the pad block 4 is provided with an adjustable adjusting part. The adjusting part adjusts the height of the double ears of the workpiece, so as to adjust the placement state of the workpiece. The adjusting part includes an adjusting plate 8 and a plurality of fine adjustment screws 9. The top ends of the fine adjustment screws 9 are rotatably connected to the bottom of the adjusting plate 8, and the bottom ends are threadedly connected to the top of the pad block 4. Here, the fine adjustment screws 9 are evenly distributed between the adjusting plate 8 and the pad block 4. The bottom ends of the screws extend into the threaded holes in the top of the pad block 4. By rotating the fine adjustment screws 9, the length of the screws extending into the pad block 4 can be adjusted, and thus the height of the pad plate can be adjusted. In actual application, the number of fine adjustment screws 9 can be four (two on the front side are shown, and the rear side is not shown). They are distributed at the four corners, which can adjust the height of the adjusting plate 8 at the four corners, so that the height of the upper side of the adjusting plate 8 is matched with the height of the supporting block 10, ensuring that the placed workpiece can be in a horizontal state.

[0026] Optionally, the spring 6 pin assembly includes two pins 7, which are connected to the top surface of the correction block 5 on both sides of the top plate 3 from the top side of the top plate 3, and the top of the two pins 7 is sleeved with the spring 6 between the top plate 3. Here, the two pins 7 can move up and down in the top plate 3, and when the workpiece 14 is placed, the two pins 7 can be pulled up first to drive the correction block 5 to move up or directly push the correction block 5 up, so that the correction block 5 has enough space with the lower pad 4, which is convenient for placing the double ears of the workpiece 14. The top of the spring is connected to the top of the pin, and when the workpiece is not placed, the weight of the correction block 5 can drive the pin 7 to sink, so that the spring 6 is in a compressed state; when the workpiece is placed, the pin 7 moves up, which can drive the spring 6 to stretch, so that the spring 6 is in a stretched state, at the same time, the spring 6 will pull the pin 7 downward, so that the pin 7 has a downward moving trend, and after the workpiece is placed, the correction block 5 can be tightly attached to the upper ear of the workpiece 14 under the downward pulling trend of the spring 6, so that the workpiece 14 is in a horizontal state. The spring pin assembly can automatically level the ear part of the workpiece when the workpiece is placed.

[0027] Optionally, the fixing mechanism further includes a positioning block 11, which is movably arranged at the top end of the inner side wall (close to the side of the column 2) of the supporting block 10. The upper side of the positioning block 11 is shaped to match the shape of the connection between the U-shaped groove of the workpiece 14 and the middle connecting rod, and after the leveling mechanism levels the workpiece, the positioning block 11 can be moved upward to protrude from the supporting block 10, and the positioning block 11 is clamped in the connection between the U-shaped groove of the workpiece 14 and the middle connecting rod to position the workpiece, and then the clamping cylinder 13 is extended to drive the clamping block 12 to move downward, and the arc-shaped groove of the supporting block 10 and the clamping block 12 is used to clamp the workpiece 14. Further, the positioning block 11 is provided with a locking member for locking the positioning block 11 on the inner side wall of the supporting block 10 after the positioning block 11 is moved upward. Specifically, the locking member can be a buckle assembly or a screw assembly, for example, buckles are arranged on both sides of the positioning block 11 and clamping strips are arranged on the supporting block 10, which can fix the positioning block 11 by buckling the buckles on the clamping strips after the positioning block 11 is moved upward; for another example, a plurality of screw holes are arranged on the positioning block 11, and two rows of screw holes are arranged on the inner side of the supporting block 10, which can fix the positioning block 11 by screwing in the screw holes after the positioning block 11 is moved upward.

[0028] Optionally, the fixing mechanism further includes a jacking cylinder arranged outside the placement position of the workpiece 14, i.e., outside the abutting position of the supporting block 10 and the clamping block 12, which can jack the tail of the workpiece 14 after the workpiece is leveled, and cooperate with the clamping cylinder 13 to drive the clamping block 12 to clamp the workpiece 14, so that the workpiece 14 is more secure, and the problems of workpiece movement and misplacement during milling are avoided.

[0029] According to the exemplary embodiment of the utility model, the tool further comprises a milling cutter and a driving mechanism thereof, and after the workpiece is leveled and fixed, the U-shaped groove of the workpiece can be milled by the milling cutter. In actual application, the milling cutter and the driving mechanism thereof can be part of a milling machine, and the tool can also be assembled to the milling machine.

[0030] In an alternative embodiment, when the tool is used for milling the lug groove, first, in the preparation stage, the tool is installed on the platform of the milling machine, for example, the bottom plate has a multi-hole groove, and the installation of the tool can be completed by using pins, screws and other components; then, in the workpiece clamping stage, after the workpiece is placed, the workpiece lug can be leveled automatically by using the correction block (which can be adjusted by adjusting the pad), and then the positioning block is moved upward to position, and then the clamping cylinder is started to clamp the workpiece connecting rod and the jacking cylinder is started to jacking the tail of the workpiece, so that the stable clamping of the workpiece is completed; then, in the milling lug groove stage, the assembled milling cutter is adjusted to the U-shaped groove opening of the workpiece, the machine tool apron is fed, the cutter is rotated to complete the milling of the lug groove, and the apron and the cylinder are controlled to retreat, so that the workpiece can be taken out. By repeating the workpiece clamping and milling lug groove steps, the production operation of batch milling lug groove of the workpiece can be carried out.

[0031] In actual application scenarios, the main support, the pad 4, the correction block 5, the supporting block 10, the clamping block 12, the positioning block 11 and other components in the U-shaped groove fitting milling lug groove tool for composite insulators in the utility model embodiment can be designed according to the actual working condition of the U-shaped groove fitting to be machined, and the specific shape and size of the components can be designed according to the actual working condition of the driving force demand, and the existing devices with corresponding functions and corresponding specifications in the prior art can be used.

[0032] In addition, other devices or components can also be provided in the U-shaped groove fitting milling lug groove tool for composite insulators, or the actual installation position of each device or component can be adjusted to realize the actual application or other functions of the milling lug groove tool; according to the needs of implementation, each component of the milling lug groove tool described in the utility model embodiment can be split into more components, or two or more components or parts of components can be combined into new components to realize the purpose of the utility model embodiment.

[0033] The above embodiments only express several embodiments of the utility model, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the utility model patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A U-shaped slot fitting for milling ear slots in composite insulators, characterized in that, Includes the main support frame, leveling mechanism, and fixing mechanism. The main support includes a base plate, columns, and a top plate, located above the base plate. The base plate and the top plate are connected at one end on the same side by the columns. The leveling mechanism includes a pad block and a correction block. The pad block is set on the base plate, and the correction block is connected to the bottom of the top plate and located directly above the pad block via a spring pin assembly. The fixing mechanism includes a support block, a clamping block, and a clamping cylinder. The support block is set on the base plate, the clamping cylinder is set on the upper side of the top plate and the telescopic rod extends from the lower side through the top plate, the clamping block is connected to the lower end of the telescopic rod and is located directly above the support block, and the upper end of the support block and the lower end of the clamping block both have arc-shaped grooves that cooperate with the middle connecting rod of the hardware.

2. The U-shaped groove fitting for milling ear grooves in composite insulators according to claim 1, characterized in that, The upper end of the pad is provided with a height-adjustable adjustment part, including an adjustment plate and multiple fine-tuning screws. The top ends of the multiple fine-tuning screws are rotatably connected to the bottom of the adjustment plate, and the bottom ends are threadedly connected to the top of the pad.

3. The U-groove fitting for milling ear grooves in composite insulators according to claim 1, characterized in that, The spring pin assembly includes two pins, which pass through the top plate from the upper side and are connected to the two sides of the top surface of the correction block respectively. A spring is sleeved between the top of the two pins and the top plate.

4. The U-shaped slot fitting for milling ear slots in composite insulators according to claim 1, characterized in that, The fixing mechanism also includes a positioning block, which is movably disposed at the top of the inner side wall of the support block.

5. The tooling for milling ear slots in a U-shaped slot for composite insulators according to claim 2, characterized in that, The fixing mechanism also includes a locking element for locking the positioning block to the inner wall of the support block.

6. The U-groove fitting for milling ear grooves in composite insulators according to claim 5, characterized in that, The locking element includes a snap-fit ​​assembly or a screw assembly.

7. A milling tooling for U-groove fittings for composite insulators according to any one of claims 1-6, characterized in that, The fixing mechanism also includes a clamping cylinder, which is located on the outside of the joint between the support block and the clamping block, and is used to clamp the U-shaped channel fitting to be processed at the tail.

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