Movable tapping machine

Abstract

The utility model discloses a movable tapping machine, which belongs to the field of tapping machines and comprises a cabinet, universal wheels are fixedly connected to the bottom surface of the cabinet, an operating arm is fixedly connected to the top surface of the cabinet, a servo motor for driving a screw tap to rotate is further fixedly connected to the operating arm, and the screw tap is fixedly connected to the output end of the servo motor through a connecting mechanism. The arranged connecting mechanism is used in cooperation with a movable tapping machine, when a screw tap is installed, after a connector at the top end of the screw tap is positioned and inserted into a connecting groove through a positioning protruding strip, a rotary knob is rotated through an inner threaded hole, and the rotary knob drives a conical ring to move downwards along an outer threaded column; in the moving process, after inclined arc-shaped surfaces on the outer sides of symmetrical trapezoidal blocks are extruded through conical rings, the trapezoidal blocks move towards the inner side along the fixing rods through connecting holes, compression springs are forced to conduct stretching operation, and after clamping blocks penetrate through ports and enter clamping grooves, rotary knobs cannot be rotated any more; therefore, the purpose of quickly connecting, mounting and fixing the screw tap is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tapping machine field, especially a kind of mobile tapping machine. BACKGROUND

[0002] Mobile tapping machine is a kind of special mechanical processing equipment, it is based on traditional tapping machine and increases mobile function, so it can conveniently carry out thread processing equipment in different work sites.This tapping machine is usually equipped with walking wheel or other moving device, so that operator can easily move tapping machine to the required position, improve work efficiency and flexibility.Mobile tapping machine is suitable for various occasions needing thread processing, such as bolt, nut, threaded pipe and other parts production and manufacturing, is one of important equipment in mechanical processing field.

[0003] In prior art, mobile tapping machine in the process of actual use, tap as cutting tool, gradually wears in processing, especially cutting edge portion, when wear reaches certain degree, cutting performance will obviously decrease, leading to the quality of processing thread to reduce, such as thread hole appears disorder, slip tooth and other phenomena, at this time, in order to ensure processing quality and production efficiency, tap needs to be replaced in time, however, current tap is generally installed on the output end of motor by screw, leading to the inconvenience of tap dismounting replacement operation when tap appears wear or damage, or different taps are needed according to use demand, and reduce work efficiency. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide a kind of mobile tapping machine, can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is:

[0006] A kind of mobile tapping machine, including cabinet, the bottom surface of the cabinet is fixedly connected with universal wheel, and the top surface of the cabinet is fixedly connected with operating arm, the operating arm is also fixedly connected with servo motor for driving tap rotation, the tap is fixedly connected on the output end of servo motor by connecting mechanism, and connecting mechanism includes external thread column, knob, cone ring, fixed ring, fixed rod, compression spring, trapezoidal block and clamping block, the external thread column is fixedly connected on the output end of servo motor, and the knob is movably connected with external thread column by the inner threaded hole in top surface, the cone ring is fixedly connected at the bottom end of knob, the fixed ring is fixedly connected at the outer bottom end of external thread column, and the top surface of fixed ring is fixedly connected with symmetrical fixed rod, the trapezoidal block is movably connected with fixed rod by connecting hole on side wall, and compression spring is sleeved on the outside of fixed rod, the clamping block is fixedly connected on the inner side wall of trapezoidal block.

[0007] As a further scheme of the utility model, the outer thread column is fixedly installed on the output end of the servo motor, and a connecting groove is formed in the bottom surface of the outer thread column, a group of front and back symmetrical through holes communicating with the connecting groove are formed in the outer wall of the outer thread column, and a group of left and right symmetrical positioning grooves are formed in the inner wall of the connecting groove.

[0008] As a further scheme of the utility model, a threaded hole is formed in the top surface of the knob and is threadedly connected with the outer thread column, and the taper ring is fixedly installed on the bottom surface of the knob and is sleeved on the outside of the outer thread column.

[0009] As a further scheme of the utility model, the fixing ring is fixedly installed on the outside bottom end of the outer thread column in a sleeving mode, and a group of symmetrical horizontal holes are formed in the top surface of the fixing ring.

[0010] As a further scheme of the utility model, the fixing rod is fixedly installed in the inside of the horizontal hole, a connecting hole is formed in the bottom of the outer side wall of the trapezoidal block and is movably installed with the fixing rod through the connecting hole, the compression spring is sleeved on the fixing rod and is fixedly installed between the horizontal hole and the opposite surface wall of the trapezoidal block, the outer wall of the trapezoidal block is in an inclined arc state, and a clamping block is further fixedly installed on the upper side wall of the trapezoidal block.

[0011] As a further scheme of the utility model, a connecting head is fixedly installed on the top end of the tap, a group of front and back symmetrical clamping grooves are formed in the outer wall of the connecting head, and a group of left and right symmetrical positioning convex strips are further formed in the outer wall of the connecting head.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] In the utility model, the connecting mechanism is arranged to cooperate with the use of the mobile tapping machine, when the tap is installed, the connecting head at the top end of the tap is positioned and inserted into the connecting groove through the positioning convex strips, the knob is rotated through the threaded hole, the knob drives the taper ring to move downwards along the outer thread column, the taper ring extrudes the inclined arc surfaces of the symmetrical trapezoidal blocks in the moving process, the trapezoidal block moves inwards along the fixing rod through the connecting hole, the compression spring is forced to stretch, the knob cannot be rotated any more after the clamping block passes through the through hole and enters the clamping groove, the purpose of facilitating the quick connection and installation of the tap is achieved, when disassembled, the taper ring is moved upwards along the outer thread column by reversing the rotation of the knob, the taper ring no longer extrudes the trapezoidal block, the trapezoidal block moves outwards under the elastic contraction force of the compression spring, the clamping block moves out of the clamping groove and enters the through hole, the tap can be pulled down, the purpose of facilitating the quick disassembly of the tap is achieved, the convenience of the disassembly and replacement of the tap is brought, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic view of the utility model;

[0015] Figure 2 It is the whole structure schematic view of the utility model; Figure 1 It is the structure enlarged schematic view of A place of the utility model;

[0016] Figure 3 It is the split schematic view of the connecting mechanism of the utility model;

[0017] Figure 4 It is the whole structure schematic view of the tap of the utility model;

[0018] Figure 5 It is the connecting split schematic view of the tap and the connecting mechanism of the utility model.

[0019] In the drawing: 1, cabinet;2, universal wheel;3, operating arm;4, servo motor;5, tap;6, connecting mechanism;7, external thread column;8, knob;9, internal thread hole;10, taper ring;11, connecting groove;12, through opening;13, positioning groove;14, fixed ring;15, transverse opening;16, fixed rod;17, compression spring;18, trapezoidal block;19, connecting hole;20, clamping block;21, connecting head;22, clamping groove;23, positioning convex strip. DETAILED DESCRIPTION

[0020] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] As shown in Figure 1 - Figure 5 A mobile tapping machine, comprising a cabinet 1, the bottom surface of the cabinet 1 is fixedly connected with universal wheels 2, and the top surface of the cabinet 1 is fixedly connected with an operating arm 3, and the operating arm 3 is further fixedly connected with a servo motor 4 for driving a tap 5 to rotate, the tap 5 is fixedly connected to the output end of the servo motor 4 through a connecting mechanism 6, and the connecting mechanism 6 comprises an external thread column 7, a knob 8, a taper ring 10, a fixed ring 14, a fixed rod 16, a compression spring 17, a trapezoidal block 18 and a clamping block 20, the external thread column 7 is fixedly connected to the output end of the servo motor 4, and the knob 8 is movably connected with the external thread column 7 through an internal thread hole 9 on the top surface, the taper ring 10 is fixedly connected to the bottom end of the knob 8, the fixed ring 14 is fixedly connected to the external bottom end of the external thread column 7, and the top surface of the fixed ring 14 is fixedly connected with symmetrical fixed rods 16, the trapezoidal block 18 is movably connected with the fixed rods 16 through connecting holes 19 on the side wall, the compression spring 17 is sleeved on the outside of the fixed rods 16, and the clamping block 20 is fixedly connected to the inner side wall of the trapezoidal block 18.

[0022] As shown in Figure 3As shown, the outer threaded column 7 is fixedly installed on the output end of the servo motor 4, and is used to cooperate with the knob 8 to realize the threaded rotation up and down movement operation. The bottom surface of the outer threaded column 7 is provided with a connecting groove 11, which is used to cooperate with the insertion of the connecting head 21. A group of front and rear symmetrical through holes 12 are provided on the outer wall of the outer threaded column 7 and are in communication with the connecting groove 11. The through holes 12 can ensure that the clamping block 20 enters the connecting groove 11. A group of left and right symmetrical positioning grooves 13 are provided on the inner wall of the connecting groove 11. The positioning grooves 13 are used to cooperate with the positioning convex strips 23 to position the connecting head 21.

[0023] As shown in the figure, Figure 3 The top surface of the knob 8 is provided with an inner threaded hole 9 and is screwed with the outer threaded column 7. The conical ring 10 is fixedly installed on the bottom surface of the knob 8 and is sleeved on the outside of the outer threaded column 7. When the knob 8 moves downward along the outer threaded column 7 by screwing, it drives the conical ring 10 to rotate and move downward, so that the conical ring 10 can extrude and limit the trapezoidal block 18.

[0024] As shown in the figure, Figure 3 The fixed ring 14 is fixedly installed on the outer bottom end of the outer threaded column 7 in a sleeved manner. A group of symmetrical transverse openings 15 are provided on the top surface of the fixed ring 14. The transverse openings 15 on the top surface of the fixed ring 14 are used to cooperate with the trapezoidal block 18 to realize the movable movement operation.

[0025] As shown in the figure, Figure 3 The fixed rod 16 is fixedly installed in the inner part of the transverse opening 15. The bottom of the outer side wall of the trapezoidal block 18 is provided with a connecting hole 19 and is movably installed with the fixed rod 16 through the connecting hole 19. The compression spring 17 is sleeved on the fixed rod 16 and is fixedly installed between the opposite wall surfaces of the transverse opening 15 and the trapezoidal block 18. The outer wall of the trapezoidal block 18 presents an inclined arc shape. The clamping block 20 is further fixedly installed on the inner side wall of the trapezoidal block 18. After the outer inclined arc surface of the trapezoidal block 18 is extruded by the conical ring 10, the trapezoidal block 18 moves in the transverse opening 15 along the fixed rod 16 through the connecting hole 19, and forces the compression spring 17 to stretch, until the clamping block 20 is inserted into the clamping groove 22 through the through hole 12, so as to achieve the purpose of facilitating the quick installation of the tap 5.

[0026] As shown in the figure, Figure 4 The top end of the tap 5 is fixedly provided with the connecting head 21. A group of front and rear symmetrical clamping grooves 22 are provided on the outer wall of the connecting head 21. A group of left and right symmetrical positioning convex strips 23 are further provided on the outer wall of the connecting head 21. The connecting head 21 is positioned and inserted into the connecting groove 11 through the positioning convex strips 23. After the clamping block 20 is inserted into the clamping groove 22, the tap 5 and the output end of the servo motor 4 are connected and fixed together.

[0027] The specific use principle of the connecting mechanism 6 matched with the mobile thread feeding machine is as follows: when the tap 5 is installed before use, the positioning protrusions 23 installed on the outer wall of the connecting head 21 installed at the top end of the transverse opening 15 are aligned with the positioning grooves 13 opened in the inner wall of the connecting groove 11, and the transverse opening 15 is positioned and inserted into the connecting groove 11, and the positioning protrusions 23 are inserted into the positioning grooves 13, and the output end of the servo motor 4 is kept in a fixed state, then the knob 8 installed on the outer wall of the external threaded column 7 installed at the bottom end of the output end of the servo motor 4 is rotated, the knob 8 is moved downward along the external threaded column 7 through the internal threaded hole 9 opened in the top surface, and the knob 8 is rotated and moved downward, and the tap ring 10 installed at the bottom surface is synchronously rotated and moved downward, when the tap ring 10 is moved downward to a certain extent, the inner tapered ring wall of the tap ring 10 extrudes the inclined arc-shaped outer side wall of the trapezoidal block 18 protruding on both sides of the top surface of the fixed ring 14, after the trapezoidal block 18 is continuously extruded by the tap ring 10, the trapezoidal block 18 is moved inward along the transverse opening 15 in the top surface of the fixed ring 14 through the connecting hole 19 opened in the bottom of the outer side wall, and the compression spring 17 externally sleeved with the fixed rod 16 is forced to stretch, until the clamping block 20 installed above the inner side wall moves to pass through the through opening 12 and is inserted into the clamping groove 22 opened in the outer side wall of the connecting head 21 in the connecting groove 11, and the knob 8 cannot be rotated any more, then the tap 5 and the output end of the servo motor 4 are connected and fixed together, when the tap 5 needs to be disassembled and replaced due to wear or damage, the knob 8 is reversely rotated to move the tap ring 10 upward, and the tap ring 10 does not extrude the trapezoidal block 18 during the upward movement, at this time, the compression spring 17 is elastically restored and contracted, and the trapezoidal block 18 is moved outward along the fixed rod 16 in the transverse opening 15 through the connecting hole 19, until the clamping block 20 moves out of the clamping groove 22 and enters the through opening 12, and the tap ring 10 is completely moved above the trapezoidal block 18, then the tap 5 is pulled downward to be disassembled, so that the tap 5 on the mobile tapping machine is conveniently disassembled and assembled, and convenience is brought to the disassembly, replacement and use of the tap 5, and the working efficiency is improved.

[0028] In the description of the present application, it should be explained that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, or the communication 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.

[0029] The above merely is preferred embodiment of the present utility model and is not used for limiting the present utility model, although the present utility model is described in detail with reference to the foregoing embodiment, however, can make various improvements and can replace the components therein with equivalent in the case of not departing from the scope of the present utility model, or make equivalent replacement to part technical features, all should be contained in the protection scope of the present utility model in the spirit and principle of the present utility model.

Claims

1. A mobile tapping machine, comprising a cabinet (1), the bottom surface of the cabinet (1) is fixedly connected with universal wheels (2), and the top surface of the cabinet (1) is fixedly connected with a control arm (3), and the control arm (3) is further fixedly connected with a servo motor (4) for driving a tap (5) to rotate, characterized in that: The tap (5) is fixedly connected to the output end of the servo motor (4) through a connecting mechanism (6), and the connecting mechanism (6) comprises an externally threaded column (7), a knob (8), a taper ring (10), a fixed ring (14), a fixed rod (16), a compression spring (17), a trapezoidal block (18) and a clamping block (20), the externally threaded column (7) is fixedly connected to the output end of the servo motor (4), and the knob (8) is movably connected with the externally threaded column (7) through the internally threaded hole (9) in the top surface of the knob (8), the taper ring (10) is fixedly connected to the bottom end of the knob (8), the fixed ring (14) is fixedly connected to the outer bottom end of the externally threaded column (7), and the top surface of the fixed ring (14) is internally fixedly connected with symmetrical fixed rods (16), the trapezoidal block (18) is movably connected with the fixed rods (16) through the connecting holes (19) in the side walls, and the compression spring (17) is sleeved on the outside of the fixed rods (16), and the clamping block (20) is fixedly connected to the inner side wall of the trapezoidal block (18).

2. The mobile tapping machine according to claim 1, characterized in that: The externally threaded column (7) is fixedly installed on the output end of the servo motor (4), and the bottom surface of the externally threaded column (7) is provided with a connecting groove (11), a plurality of front-to-back symmetrical through holes (12) are formed in the outer wall of the externally threaded column (7) and communicate with the connecting groove (11), and a plurality of left-to-right symmetrical positioning grooves (13) are formed in the inner wall of the connecting groove (11).

3. The mobile tapping machine according to claim 2, characterized in that: The top surface of the knob (8) is provided with an internally threaded hole (9) and is threadedly connected with the externally threaded column (7) through the internally threaded hole (9), and the taper ring (10) is fixedly installed on the bottom surface of the knob (8) and is sleeved on the outside of the externally threaded column (7).

4. The mobile tapping machine according to claim 3, characterized in that: The fixed ring (14) is fixedly installed on the outer bottom end of the externally threaded column (7) in a sleeved manner, and a plurality of symmetrical transverse openings (15) are formed in the top surface of the fixed ring (14).

5. The mobile tapping machine according to claim 4, characterized in that: The fixed rod (16) is fixedly installed in the transverse opening (15), and the bottom of the outer side wall of the trapezoidal block (18) is provided with a connecting hole (19) and is movably installed with the fixed rod (16) through the connecting hole (19), the compression spring (17) is sleeved on the fixed rod (16) and is fixedly installed between the opposite side walls of the transverse opening (15) and the trapezoidal block (18), and the outer wall of the trapezoidal block (18) is in an inclined arc state, and the clamping block (20) is further fixedly installed on the inner side wall of the trapezoidal block (18).

6. The mobile tapping machine according to claim 5, characterized in that: The top end of the tap (5) is fixedly installed with a connecting head (21), a plurality of front-to-back symmetrical clamping grooves (22) are formed in the outer wall of the connecting head (21), and a plurality of left-to-right symmetrical positioning convex strips (23) are further formed in the outer wall of the connecting head (21).

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