Electric power fitting punching device

Abstract

The utility model discloses an electric power fitting punching device, which relates to the technical field of electric power fitting processing and comprises a drilling machine, a bench clamp is mounted on a workbench of the drilling machine, and a first clamping component for clamping one side of angle steel is mounted on a fixed jaw of the bench clamp. A second clamping assembly used for clamping the other side of the angle steel is installed on a movable jaw of the bench clamp. A swing assembly is mounted on the second clamping assembly, and a positioning assembly used for aligning a first punching position on the angle steel with a drill bit of the drilling machine is arranged on the swing assembly; the second clamping assembly is provided with an inserting assembly used for being inserted into a punched hole in the angle steel. According to the utility model, the pitch deviation phenomenon can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to power fittings processing technical field especially relates to a power fittings punching device. BACKGROUND

[0002] Power fittings are metal accessories that connect and combine various devices in a power system, and they play a role in transferring mechanical load, electrical load and certain protection.

[0003] Power fittings are of various types, and angle steel is one type of power fittings, which is usually used as a cross arm on a power pole.

[0004] During the production of the cross arm, multiple through holes need to be punched on the angle steel. However, in actual operation, the problem of hole spacing deviation is common, that is, the distance between holes often deviates from the size range specified in the drawing. Once this happens, the staff has to rework the already punched holes. The common reworking method is to use a round file to ream the holes, but this method greatly increases the labor intensity of the staff and also leads to a significant reduction in work efficiency.

[0005] Therefore, there is a need to develop a power fittings punching device to address the above-mentioned defects. SUMMARY

[0006] The utility model aims to provide a power fittings punching device that can effectively avoid hole spacing deviation.

[0007] To solve the above technical problems, the utility model adopts the following technical solutions:

[0008] The utility model relates to a power fittings punching device, which comprises a drilling machine, a vice is installed on the workbench of the drilling machine, a first clamping assembly for clamping one side of the angle steel is installed on the fixed jaw of the vice, and a second clamping assembly for clamping the other side of the angle steel is installed on the movable jaw of the vice.

[0009] A swing assembly is installed on the second clamping assembly, and a positioning assembly for aligning the first punching position on the angle steel with the drill bit of the drilling machine is arranged on the swing assembly.

[0010] A plug-in assembly for inserting into the already punched hole on the angle steel is installed on the second clamping assembly.

[0011] Optionally, the first clamping assembly comprises a fixed plate and a first vertical plate, the fixed plate is fixedly connected with the fixed jaw, the first vertical plate is fixed at one end of the fixed plate close to the movable jaw, and a first receiving strip for receiving one side of the bottom surface of the angle steel is fixed to the bottom end of the side of the first vertical plate facing the movable jaw.

[0012] Optionally, further comprising a pressing assembly for pressing the side of the horizontal plate top surface of the angle steel, the pressing assembly comprising a pressing strip, a stud and a wrench, a plurality of vertical sliding grooves are arranged on the first vertical plate in intervals, a plurality of guide blocks are fixed on one side of the pressing strip, and the vertical sliding grooves and the guide blocks are in one-to-one correspondence and are in sliding connection; an ear plate is fixed on one side of the top end of the first vertical plate, the stud penetrates through the ear plate in rotation, a limiting plate is fixed on the stud, the limiting plate is arranged in rotational contact with the bottom surface of the ear plate, the bottom end of the stud penetrates through any of the guide blocks and is threadedly connected with the guide block, the bottom end of the stud is arranged in rotational contact with the fixed plate, and the top end of the stud is fixedly connected with one end of the wrench.

[0013] Optionally, the second clamping assembly comprises a fixed block and a second vertical plate, the fixed block is fixedly connected with the movable jaw, and the second vertical plate is fixed at one end of the fixed block close to the fixed jaw; a second receiving strip for receiving one side of the bottom surface of the angle steel is fixed to the bottom end of one side of the second vertical plate facing the fixed jaw; the swinging assembly and the inserting assembly are both mounted on the second vertical plate.

[0014] Optionally, the swinging assembly comprises a first positioning block and a swinging plate, a slide rail is fixed to one side of the second vertical plate, the first positioning block is in sliding connection with the slide rail, a first locking bolt for locking the first positioning block on the slide rail is threadedly connected to the first positioning block, a rotating shaft is fixed to the bottom surface of one end of the swinging plate, the rotating shaft is in rotational connection with the first positioning block, the swinging plate is higher than the second vertical plate, a limiting block is fixed to one side of the first positioning block, and when the swinging plate and the horizontal projection of the second vertical plate are perpendicular to each other, the limiting block is in abutment with the side surface of the swinging plate.

[0015] Optionally, the positioning assembly comprises a positioning rod and a positioning sleeve, the positioning rod slides through one end of the swinging plate away from the rotating shaft, the bottom end of the positioning rod is provided as a conical body for aligning with the first punching position on the angle steel, the positioning rod is coaxially arranged with the positioning sleeve, the top end of the positioning rod is fixedly connected with the bottom end of the positioning sleeve, and the inner hole of the positioning sleeve matches the diameter of the drill bit.

[0016] Optionally, the plug-in assembly comprises a second positioning block, a connecting plate, a plug, a guide sleeve, a lifting rod and a plug-in rod, the second positioning block is in sliding connection with the slide rail, a second locking bolt for locking the second positioning block on the slide rail is threadedly connected to the second positioning block, one end of the connecting plate is fixedly connected with the second positioning block, the connecting plate is higher than the second vertical plate, the guide sleeve is fixed to the bottom surface of the connecting plate, the lifting rod is slidably penetrated through one end of the connecting plate away from the second positioning block and slidably penetrated out of the middle hole of the guide sleeve, the top end of the lifting rod is plugged with the plug-in rod, and the bottom end of the lifting rod is fixedly connected with the top end of the plug.

[0017] Optionally, one side of the second vertical plate is provided with a scale for displaying the distance between the central axis of the drill bit and the central axis of the plug, and the first positioning block and the second positioning block are respectively provided with indicating portions for indicating the scale, and the indicating portion on the first positioning block indicates the 0 scale line of the scale.

[0018] Compared with the prior art, the beneficial technical effects of the utility model are:

[0019] The positioning assembly can accurately align the first punching position on the angle steel with the drill bit, and the cooperation of the plug-in assembly with the scale and the indicating portion can conveniently determine the subsequent punching position and hole distance, ensure the spacing accuracy between the holes, thereby avoiding the hole distance deviation phenomenon, and reducing the labor intensity of the workers and improving the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be further described in connection with the drawings.

[0021] Figure 1 It is the state structure schematic view when the first punching position is aligned with the drill bit for the utility model;

[0022] Figure 2 It is the state structure schematic view when the first punching position is aligned with the drill bit for the utility model; Figure 1 It is the three-dimensional structure schematic view of the local structure;

[0023] Figure 3 It is the state structure schematic view when the first punching position is aligned with the drill bit for the utility model;

[0024] Figure 4 It is the state structure schematic view when the first punching position is aligned with the drill bit for the utility model; Figure 3 It is the structure schematic view from another angle;

[0025] Figure 5 It is the three-dimensional structure schematic view of the local structure for the utility model;

[0026] Figure 6 It is the three-dimensional structure schematic view of the local structure for the utility model; Figure 2 It is the enlarged structure schematic view of A in the three-dimensional structure schematic view;

[0027] Figure 7 For Figure 3 Amplification structure schematic diagram at B.

[0028] Reference signs:

[0029] 100, drill press; 110, vice;

[0030] 200, first clamping assembly; 210, fixed plate; 220, first vertical plate; 230, first receiving strip; 240, pressing strip; 241, guide block; 250, stud; 260, wrench;

[0031] 300, second clamping assembly; 310, fixed block; 320, second vertical plate; 330, second receiving strip; 340, slide rail; 350, scale;

[0032] 400, angle steel;

[0033] 500, positioning assembly; 510, positioning rod; 520, positioning sleeve;

[0034] 600, swing assembly; 610, first positioning block; 611, limiting block; 612, first locking bolt; 620, swing plate;

[0035] 700, plug-in assembly; 710, second positioning block; 720, connecting plate; 730, plug; 740, guide sleeve; 750, lifting rod; 760, plug-in rod; 770, second locking bolt;

[0036] 800, indication part. DETAILED DESCRIPTION

[0037] The core of the utility model is to provide a kind of electric power fitting punching device or angle steel punching positioning device, can effectively avoid hole distance deviation phenomenon.

[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0039] In the description of the utility model, need understanding is, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" "middle" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only is for the convenience of describing the utility model and simplifying the description, and is not the device or element indicated or implied must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as the restriction of the utility model.

[0040] In a specific embodiment of the utility model, as shown in Figures 1 to 7 The first clamping assembly 200 is installed on the fixed jaw of the vice 110, and the second clamping assembly 300 is installed on the movable jaw of the vice 110.

[0041] The second clamping assembly 300 is provided with a swing assembly 600, and the swing assembly 600 is provided with a positioning assembly 500 for aligning the first punching position on the angle steel 400 with the drill bit of the drilling machine 100.

[0042] The second clamping assembly 300 is provided with a plug-in assembly 700 for inserting the hole that has been punched on the angle steel 400.

[0043] In a specific embodiment of the utility model, as shown in Figures 1 to 5 The first clamping assembly 200 includes a fixed plate 210 and a first vertical plate 220, the fixed plate 210 is fixedly connected with the fixed jaw, and the first vertical plate 220 is fixed at one end of the fixed plate 210 close to the movable jaw.

[0044] In a specific embodiment of the utility model, as shown in Figures 1 to 7As shown, the pressing assembly for pressing the side of the top surface of the horizontal plate of the angle steel 400 comprises a pressing strip 240, a stud 250 and a wrench 260, a plurality of vertical sliding grooves are formed on the first vertical plate 220 in a spaced apart manner, a plurality of guide blocks 241 are fixed on one side of the pressing strip 240, and the vertical sliding grooves and the guide blocks 241 are in one-to-one correspondence and are in sliding connection; an ear plate is fixed on one side of the top end of the first vertical plate 220, the stud 250 penetrates through the ear plate in a rotating manner, a limiting plate is fixed on the stud 250, the limiting plate is in rotating contact with the bottom surface of the ear plate, the bottom end of the stud 250 penetrates through any guide block 241 and is in threaded connection with the guide block 241, the bottom end of the stud 250 is in rotating contact with the fixed plate 210, and one end of the stud 250 is fixedly connected with the wrench 260. The arrangement of the pressing strip 240 can prevent the one end of the angle steel 400 from being raised during the complete clamping operation of the angle steel 400 and the subsequent hole positioning operation, thereby facilitating the positioning operation.

[0045] In a specific embodiment of the utility model, as shown in Figures 1 to 7 The second clamping assembly 300 comprises a fixed block 310 and a second vertical plate 320, the fixed block 310 is fixedly connected with the movable jaw, the second vertical plate 320 is fixed at one end of the fixed block 310 close to the fixed jaw, and a second receiving strip 330 for receiving one side of the bottom surface of the angle steel 400 is fixed to the bottom end of one side of the second vertical plate 320 facing the fixed jaw; the swinging assembly 600 and the inserting assembly 700 are both mounted on the second vertical plate 320.

[0046] In a specific embodiment of the utility model, as shown in Figures 1 to 6 The swinging assembly 600 comprises a first positioning block 610 and a swinging plate 620, one side of the second vertical plate 320 is fixed with a sliding rail 340, the first positioning block 610 is in sliding connection with the sliding rail 340, a first locking bolt 612 for locking the first positioning block 610 on the sliding rail 340 is threadedly connected to the first positioning block 610, a rotating shaft is fixed to the bottom surface of one end of the swinging plate 620, the rotating shaft is in rotating connection with the first positioning block 610, the swinging plate 620 is higher than the second vertical plate 320, a limiting block 611 is fixed to one side of the first positioning block 610, and when the horizontal projection of the swinging plate 620 and the second vertical plate 320 is perpendicular to each other, the limiting block 611 is in abutment with the side surface of the swinging plate 620.

[0047] In a specific embodiment of the utility model, as shown in Figures 1 to 6As shown, the positioning assembly 500 comprises a positioning rod 510 and a positioning sleeve 520, the positioning rod 510 is slid through the swing plate 620 away from one end of the rotating shaft, the bottom end of the positioning rod 510 is provided as a conical body for aligning with the first punching position on the angle steel 400, the positioning rod 510 is coaxially arranged with the positioning sleeve 520, the top end of the positioning rod 510 is fixedly connected with the bottom end of the positioning sleeve 520, and the inner hole of the positioning sleeve 520 matches the diameter of the drill bit. The first punching position is obtained by measuring and marking by the staff. The positioning rod 510 can be pulled out of the swing plate 620, so that the positioning rod 510 with the positioning sleeve 520 having different inner diameters is replaced.

[0048] In a specific embodiment of the utility model, as shown in Figures 1 to 5 As shown in Figs. 6 and 7, the plug-in assembly 700 comprises a second positioning block 710, a connecting plate 720, a plug 730, a guide sleeve 740, a lifting rod 750 and a plug-in rod 760, the second positioning block 710 is slidably connected with the sliding rail 340, a second locking bolt 770 for locking the second positioning block 710 on the sliding rail 340 is threadedly connected on the second positioning block 710, one end of the connecting plate 720 is fixedly connected with the second positioning block 710, the connecting plate 720 is higher than the second vertical plate 320, the guide sleeve 740 is fixed on the bottom surface of the connecting plate 720, the lifting rod 750 is slid through the connecting plate 720 away from one end of the second positioning block 710 and slid through the middle hole of the guide sleeve 740, the top end of the lifting rod 750 is plugged with the plug-in rod 760, and the bottom end of the lifting rod 750 is fixedly connected with the top end of the plug 730. When the plug-in rod 760 is pulled out, the lifting rod 750 and the plug 730 can be removed, so that the lifting rod 750 with the plug 730 having different outer diameters is replaced.

[0049] In a specific embodiment of the utility model, as shown in Figures 1 to 3 As shown in Figs. 6 and 7, the plug-in assembly 700 comprises a second positioning block 710, a connecting plate 720, a plug 730, a guide sleeve 740, a lifting rod 750 and a plug-in rod 760, the second positioning block 710 is slidably connected with the sliding rail 340, a second locking bolt 770 for locking the second positioning block 710 on the sliding rail 340 is threadedly connected on the second positioning block 710, one end of the connecting plate 720 is fixedly connected with the second positioning block 710, the connecting plate 720 is higher than the second vertical plate 320, the guide sleeve 740 is fixed on the bottom surface of the connecting plate 720, the lifting rod 750 is slid through the connecting plate 720 away from one end of the second positioning block 710 and slid through the middle hole of the guide sleeve 740, the top end of the lifting rod 750 is plugged with the plug-in rod 760, and the bottom end of the lifting rod 750 is fixedly connected with the top end of the plug 730. When the plug-in rod 760 is pulled out, the lifting rod 750 and the plug 730 can be removed, so that the lifting rod 750 with the plug 730 having different outer diameters is replaced.

[0050] The working process of the utility model discloses a power fitting punching device is as follows:

[0051] Preparation work, the staff measures and marks the first punching position on the angle steel 400 in advance.

[0052] Swing assembly 600 to 0, slide the first positioning block 610, the indication on it 800 points to the O scale line of the scale 350, and then lock the first positioning block 610 on the slide rail 340 with the first locking bolt 612.

[0053] Preliminary clamping of angle steel 400, place angle steel 400 on the first receiving bar 230 and the second receiving bar 330, move the movable jaw of the vice 110 to make the second vertical plate 320 close to the angle steel 400, and preliminarily clamp the angle steel 400, at this time the angle steel 400 can slide on the two receiving bars. Then, rotate the wrench 260 to drive the stud 250 to rotate, since the stud 250 is threadedly connected with the guide block 241, the pressing strip 240 will move downward under the guidance of the guide block 241 and the vertical sliding groove, preliminarily pressing the top surface of the horizontal plate of the angle steel 400, at this time the angle steel 400 can still slide on the two receiving bars.

[0054] Complete clamping of angle steel 400, remove the positioning rod 510, swing the end of the swing plate 620 away from the first positioning block 610 to between the first vertical plate 220 and the second vertical plate 320, and make the swing plate 620 perpendicular to the horizontal projection of the second vertical plate 320, at this time the limiting block 611 is in close contact with the side surface of the swing plate 620, insert the positioning rod 510 into the end of the swing plate 620 away from the first positioning block 610, move the angle steel 400 to make the first punching position align with the conical tip at the bottom end of the positioning rod 510, then move the movable jaw of the vice 110 to make the second vertical plate 320 cooperate with the first vertical plate 220 to clamp the angle steel 400, and then rotate the wrench 260 to further press the angle steel 400 with the pressing strip 240, and the angle steel 400 is completely fixed.

[0055] First hole positioning: move the workbench of the drilling machine 100, the vice 110 moves with the workbench, then the angle steel 400 and the positioning sleeve 520 move synchronously, when the drill bit is aligned with the positioning sleeve 520, operate the drilling machine 100 to make the drill bit descend, if the drill bit can smoothly enter and exit the inner hole of the positioning sleeve 520, it means that the drill bit is aligned with the first punching position, if the drill bit cannot smoothly enter and exit the inner hole of the positioning sleeve 520, continue to adjust the workbench of the drilling machine 100 until the drill bit can smoothly enter and exit the inner hole of the positioning sleeve 520, then remove the positioning rod 510 and rotate the swing plate 620 to the side away from the drill bit of the second vertical plate 320, and operate the drilling machine 100 to start punching. Through the above setting and operation, the first punching position of the angle steel 400 can be aligned with the drill bit, ensuring the punching accuracy.

[0056] Subsequent hole positioning: after the first hole is drilled, according to the required hole spacing, slide the second positioning block 710, determine the position of the plug 730 through the indication of the indicating part 800 on the scale 350, so that the central axis of the plug 730 is at a distance from the central axis of the drill bit that meets the hole spacing requirement, then tighten the second locking bolt 770 to lock the second positioning block 710. Turn the wrench 260 to loosen the pressure bar 240 against the angle steel 400, and make the movable jaw drive the second vertical plate 320 to loosen the clamping of the angle steel 400, lift the lifting rod 750, move the angle steel 400, when the drilled hole is aligned with the plug 730, lower the lifting rod 750, insert the plug 730 into the drilled hole, make the second vertical plate 320 and the pressure bar 240 re-clamp the angle steel 400, and the drilling machine 100 can perform the drilling operation of the next hole. Repeat the above steps accordingly until all the holes are drilled. Through the above settings and operations, the subsequent hole positioning and hole spacing can be determined, and the distance between the holes can be ensured to meet the size range specified in the drawing, avoiding the phenomenon of hole spacing deviation.

[0057] The arrangement of the pressure bar 240 can prevent the one end of the angle steel 400 from being raised during the complete clamping operation of the angle steel 400 and the subsequent hole positioning operation, facilitating the positioning operation.

[0058] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same and similar parts between the various embodiments can be referred to each other, and the various embodiments can be combined with each other. For the device disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple, and the related parts can be referred to the method part.

[0059] The above embodiments only describe the preferred modes of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements of the technical solutions of the present application made by those skilled in the art shall fall within the protection scope determined by the claims of the present application.

Claims

1. A power fitting punching device, comprising a drilling machine (100), a bench vice (110) is installed on the workbench of the drilling machine (100), characterized in that, The fixed jaw of the bench vice (110) is provided with a first clamping assembly (200) for clamping one side of the angle steel (400), and the movable jaw of the bench vice (110) is provided with a second clamping assembly (300) for clamping the other side of the angle steel (400); The second clamping assembly (300) is provided with a swing assembly (600), and the swing assembly (600) is provided with a positioning assembly (500) for aligning a first punching position on the angle steel (400) with a drill bit of the drilling machine (100). The second clamping assembly (300) is provided with a plug-in assembly (700) for inserting a hole already punched on the angle steel (400).

2. The power fitting punching device according to claim 1, characterized in that: The first clamping assembly (200) comprises a fixed plate (210) and a first vertical plate (220), the fixed plate (210) is fixedly connected with the fixed jaw, and the first vertical plate (220) is fixed at one end of the fixed plate (210) close to the movable jaw, and a first receiving strip (230) for receiving one side of the bottom surface of the angle steel (400) is fixed at the bottom end of one side of the first vertical plate (220) facing the movable jaw.

3. The power fitting punching device according to claim 2, characterized in that: Further comprising a pressing assembly for pressing one side of the top surface of the angle steel (400), the pressing assembly comprises a pressing strip (240), a stud (250) and a wrench (260), a plurality of vertical sliding grooves are spaced apart on the first vertical plate (220), a plurality of guide blocks (241) are fixed on one side of the pressing strip (240), and the vertical sliding grooves and the guide blocks (241) are in one-to-one correspondence and are in sliding connection; an ear plate is fixed on one side of the top end of the first vertical plate (220), the stud (250) penetrates through the ear plate, a limiting plate is fixed on the stud (250), the limiting plate is in rotational contact with the bottom surface of the ear plate, the bottom end of the stud (250) penetrates through any of the guide blocks (241) and is in threaded connection with the guide blocks (241), the bottom end of the stud (250) is in rotational contact with the fixed plate (210), and one end of the wrench (260) is fixedly connected with the top end of the stud (250).

4. The power fitting punching device according to claim 1, characterized in that: The second clamping assembly (300) comprises a fixed block (310) and a second vertical plate (320), the fixed block (310) is fixedly connected with the movable jaw, and the second vertical plate (320) is fixed at one end of the fixed block (310) close to the fixed jaw, and a second receiving strip (330) for receiving one side of the bottom surface of the angle steel (400) is fixed at the bottom end of one side of the second vertical plate (320) facing the fixed jaw; the swing assembly (600) and the plug-in assembly (700) are both installed on the second vertical plate (320).

5. The power fitting punching device according to claim 4, characterized in that: The swing assembly (600) comprises a first positioning block (610) and a swing plate (620), one side of the second vertical plate (320) is fixed with a sliding rail (340), the first positioning block (610) is in sliding connection with the sliding rail (340), a first locking bolt (612) for locking the first positioning block (610) on the sliding rail (340) is threadedly connected to the first positioning block (610), a rotating shaft is fixed to the bottom surface of one end of the swing plate (620), the rotating shaft is in rotating connection with the first positioning block (610), the swing plate (620) is higher than the second vertical plate (320), a limiting block (611) is fixed to one side of the first positioning block (610), when the swing plate (620) and the horizontal projection of the second vertical plate (320) are perpendicular to each other, the limiting block (611) is attached to the side surface of the swing plate (620).

6. The power fitting punching device according to claim 5, wherein: The positioning assembly (500) comprises a positioning rod (510) and a positioning sleeve (520), the positioning rod (510) is in sliding penetration through one end of the swing plate (620) away from the rotating shaft, the bottom end of the positioning rod (510) is provided as a circular cone for aligning with the first punching position on the angle steel (400), the positioning rod (510) is coaxially arranged with the positioning sleeve (520), the top end of the positioning rod (510) is fixedly connected with the bottom end of the positioning sleeve (520), the inner hole of the positioning sleeve (520) is matched with the diameter of the drill bit.

7. The power fitting punching device according to claim 6, wherein: The plug-in assembly (700) comprises a second positioning block (710), a connecting plate (720), a plug (730), a guide sleeve (740), a lifting rod (750) and a plug-in rod (760), the second positioning block (710) is in sliding connection with the sliding rail (340), a second locking bolt (770) for locking the second positioning block (710) on the sliding rail (340) is threadedly connected to the second positioning block (710), one end of the connecting plate (720) is fixedly connected with the second positioning block (710), the connecting plate (720) is higher than the second vertical plate (320), the guide sleeve (740) is fixed to the bottom surface of the connecting plate (720), the lifting rod (750) is in sliding penetration through one end of the connecting plate (720) away from the second positioning block (710) and slidingly penetrates through the middle hole of the guide sleeve (740), the top end of the lifting rod (750) is plugged into the plug-in rod (760), and the bottom end of the lifting rod (750) is fixedly connected with the top end of the plug (730).

8. The power fitting punching device according to claim 7, characterized in that: One side of the second vertical plate (320) is provided with a scale (350) for displaying the distance between the central axis of the drill bit and the central axis of the plug (730), the first positioning block (610) and the second positioning block (710) are respectively provided with an indicating part (800) for indicating the scale (350), and the indicating part (800) on the first positioning block (610) indicates the 0 scale line of the scale (350).

Images