Drilling machine for machining stop valve

Abstract

The utility model discloses a drilling machine for machining a stop valve, and belongs to the technical field of stop valve drilling. A bar is placed on a supporting frame, a roller row is arranged on the supporting frame, the roller row is controlled by a motor, the roller row rotates to drive the bar to advance to the fixing assemblies, the bar passes through a gap between the two fixing assemblies, a rotating wheel rotates to drive the bar to move into the gap, a top wheel synchronously extrudes and fixes the bar, and the bar continuously moves to the position below the drilling assembly. A drilling motor drives a drill bit to move downwards, the bottom of a bar abuts against a positioning pin to achieve positioning, the top face of the bar drives a pressing roller to be pressed tightly through a control electric cylinder, when the bar is drilled, due to the action of a rotating wheel and a jacking wheel, the left side and the right side of the bar are fixed, the pressing roller fixes the top face of the bar, the bar is effectively prevented from being jacked upwards in the drilling process, and the drilling efficiency is improved. And the hole diameter of the drilled hole is not accurate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of stop valve drilling, especially a drilling machine for stop valve processing. BACKGROUND

[0002] Drilling machine refers to the mechanical and equipment that leave cylindrical hole or hole on target by means of harder and sharper tool.

[0003] When drilling the raw material of the stop valve, the head and tail are often pressed after being transported to the drilling position, and then drilling is carried out, but this way will cause the raw material to be lifted up due to stress problem when drilling, and the force of pressing the raw material will be increased, which will also cause serious indentation at the pressing position, and cutting is needed, resulting in waste of raw material. INVENTION CONTENTS

[0004] The utility model aims at providing a drilling machine for stop valve processing to solve the above problems existing in the prior art.

[0005] Technical scheme: a drilling machine for stop valve processing, comprising a support table, support frames are arranged at both ends of the support table, a drilling assembly is arranged between the support frames, a fixing assembly and a pressing assembly are arranged on the support frame, the fixing assembly is arranged inside the support frame, and the pressing assembly is arranged above the fixing assembly.

[0006] The fixing assembly comprises a fixed plate, a top wheel, a plurality of rotating wheels, a rolling belt and a fixed rod, the fixed plate is fixedly installed on the support frame, the top wheels are arranged at both ends of the fixed plate respectively, the rotating wheels are evenly arranged between the top wheels, the rotating wheels and the top wheels are connected with the fixed plate through the fixed rod, and the top wheels and the rotating wheels are transmission matched through the rolling belt.

[0007] In further embodiments, two fixing assemblies are arranged side by side on the support frame, and a gap is arranged between the two fixing assemblies.

[0008] In further embodiments, the gap size is matched with the size of the bar.

[0009] In further embodiments, the pressing assembly comprises a control electric cylinder, a crank and a pressure roller, the control electric cylinder is fixedly connected with the top wall of the support frame, one end of the crank is transmission connected with the control electric cylinder, and the other end is fixedly connected with the pressure roller.

[0010] In further embodiments, the drilling assembly comprises a drilling frame, a drilling motor, a drilling seat, a drill bit and a positioning pin, the drilling frame is fixedly installed between the support frames, the drilling motor is fixedly installed on the top of the drilling frame, the drilling seat is in transmission connection with the output end of the drilling motor, the drill bit is fixedly connected with the drilling seat, and the positioning pin is arranged below the drilling frame and opposite to the position of the drill bit. Advantageous effects

[0011] The bar is placed on the support frame and moved through the roller row and finally enters the gap left between the two fixing assemblies, the bar is clamped on both sides by the two fixing assemblies and cannot be moved, the bar is moved forward to below the drilling assembly through the rolling belt, the bar is pressed by the pressing assembly, the drill bit is moved downward by the drilling motor, the bottom of the bar is positioned by the positioning pin, the top surface of the bar is pressed by the pressing roller driven by the control cylinder, when drilling the bar, the left and right sides of the bar are fixed by the runner and the top wheel, the top surface of the bar is fixed by the pressing roller, the bar is effectively prevented from being lifted upward during drilling to cause inaccurate drilling diameter, and the bar does not need to be pressed too hard to cause indentation, and the bar pressing position does not need to be cut to avoid excessive loss of raw materials. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a perspective view of the utility model.

[0013] Figure 2 It is a plan view of the utility model.

[0014] Figure 3 It is a plan view of the utility model.

[0015] Figure 4 It is a perspective view of the utility model.

[0016] The signs are: 1, drilling seat; 2, support frame; 3, bar; 4, drilling motor; 5, drilling frame; 6, positioning pin; 7, fixing assembly; 8, pressing assembly; 9, support table; 10, pressing roller; 11, crank; 12, control cylinder; 13, fixed plate; 14, top wheel; 15, runner; 16, rolling belt; 17, fixed rod. DETAILED DESCRIPTION

[0017] In the following description, a large number of specific details are given to provide a more complete understanding of the utility model.

[0018] However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details.

[0019] In other examples, in order to avoid confusion with the present application, some technical features known in the art are not described.

[0020] As Figures 1-4 shown, a drilling machine for stop valve machining is composed of a drilling seat 1, a support frame 2, a bar 3, a drilling motor 4, a drilling frame 5, a positioning pin 6, a fixing assembly 7, a pressing assembly 8, a support table 9, a pressing roller 10, a crank 11, a control electric cylinder 12, a fixing plate 13, a top wheel 14, a rotating wheel 15, a rolling belt 16, and a fixing rod 17.

[0021] The support table 9 is provided with the support frame 2 at both ends, and the drilling assembly is arranged between the support frames 2.

[0022] The fixing assembly 7 is arranged inside the support frame 2, and the pressing assembly 8 is arranged above the fixing assembly 7.

[0023] The fixing assembly 7 is arranged inside the support frame 2, and the pressing assembly 8 is arranged above the fixing assembly 7.

[0024] The gap size is matched with the size of the bar 3.

[0025] The pressing assembly 8 includes the control electric cylinder 12, the crank 11, and the pressing roller 10.

[0026] The drilling assembly includes the drilling frame 5, the drilling motor 4, the drilling seat 1, a drill bit, and the positioning pin 6.

[0027] Working principle

[0028] The rod 3 is placed on the support frame 2, the support frame 2 is provided with a roller row, the roller row is controlled by a motor, the roller row drives the rod 3 to advance to the fixed assembly 7, the rod 3 passes through the gap between the two fixed assemblies 7, the rotating wheel 15 drives the rod 3 to move into the gap, and the top wheel 14 synchronously extrudes and fixes the rod 3, the rod 3 continuously moves to below the drilling assembly, the drilling motor 4 drives the drill bit to move downwards, the bottom of the rod 3 abuts against the positioning pin 6, positioning is realized, and the top surface of the rod 3 is pressed by the pressing roller 10 driven by the control electric cylinder 12, when the rod 3 is drilled, the rod 3 is fixed on the left and right sides by the rotating wheel 15 and the top wheel 14, and the top surface of the rod 3 is fixed by the pressing roller 10, so that the rod 3 is effectively prevented from being lifted upwards during drilling, and the drilling diameter is not accurate.

[0029] In the description of the present application, unless otherwise explicitly defined and limited, the terms "mounting", "connecting", "connecting", "fixing" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, and the mechanical parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0031] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A drilling machine for stop valve machining, comprising a support table (9), characterized in that, The support table (9) is provided with support frames (2) at both ends, a drilling assembly is arranged between the support frames (2), a fixing assembly (7) and a pressing assembly (8) are arranged on the support frames (2), the fixing assembly (7) is arranged inside the support frame (2), and the pressing assembly (8) is arranged above the fixing assembly (7); The fixing assembly (7) comprises a fixing plate (13), top wheels (14), a plurality of rotating wheels (15), a rolling belt (16) and a fixing rod (17), the fixing plate (13) is fixedly installed on the support frame (2), the top wheels (14) are arranged at both ends of the fixing plate (13) respectively, the plurality of rotating wheels (15) are evenly arranged between the top wheels (14), the rotating wheels (15) and the top wheels (14) are connected with the fixing plate (13) through the fixing rod (17), and the top wheels (14) and the rotating wheels (15) are drivingly matched through the rolling belt (16).

2. A drilling machine for stop valve machining as claimed in claim 1, characterized in that, The fixing assembly (7) is provided with two and is installed side by side on the support frame (2), and a gap is arranged between the two fixing assemblies (7).

3. A drilling machine for stop valve machining as defined in claim 2, characterized in that The gap size is matched with the size of the bar (3).

4. The stop valve machining drill according to claim 1, wherein The pressing assembly (8) comprises a control electric cylinder (12), a crank (11) and a pressing roller (10), the control electric cylinder (12) is fixedly connected with the top wall of the support frame (2), one end of the crank (11) is drivingly connected with the control electric cylinder (12), and the other end is fixedly connected with the pressing roller (10).

5. The stop valve machining drill according to claim 1, wherein The drilling assembly comprises a drilling frame (5), a drilling motor (4), a drilling seat (1), a drill bit and a positioning pin (6), the drilling frame (5) is fixedly installed between the support frames (2), the drilling motor (4) is fixedly installed on the top of the drilling frame (5), the drilling seat (1) is drivingly connected with the output end of the drilling motor (4), the drill bit is fixedly connected with the drilling seat (1), and the positioning pin (6) is arranged below the drilling frame (5) and opposite to the position of the drill bit.

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