CN210789413U - A detachable tool for convenient milling machine - Google Patents

Abstract

The utility model relates to the technical field of machining tools, in particular to a detachable tool for a milling machine, which comprises a tool handle, a connecting sleeve is fixedly arranged at the lower part of the tool handle, a slot is opened in the middle of the lower surface of the connecting sleeve, and the inside of the connecting sleeve is uniform A first guide groove communicated with the slot is opened, a first installation groove communicated with the first guide groove is symmetrically opened on the connecting sleeve, and a guide plate matching the first guide groove is fixedly arranged on the upper part of the outer side of the milling cutter. A positioning plate is slidably arranged in the first installation groove, a second installation groove corresponding to the first installation groove is opened on the outer side of the connecting sleeve, a first spring is installed in the second installation groove, and the first spring is far away from the second installation groove. A push rod is inserted on the side, and one end of the push rod passes through the first spring and then passes through the connecting sleeve to be fixedly connected with the positioning plate, and a sliding sleeve is sleeved on the outer side of the connecting sleeve. The utility model has the advantages that the milling cutter can be quickly disassembled and replaced according to actual needs, thereby improving the working efficiency.

Description

A detachable tool for convenient milling machine

technical field

The utility model relates to the technical field of machining tools, in particular to a detachable tool for convenient milling machines.

Background technique

A milling cutter is a rotary tool with one or more teeth for milling. When working, each cutter tooth cuts off the allowance of the workpiece intermittently in turn. Milling cutters are mainly used for machining planes, steps, grooves, forming surfaces and cutting workpieces on milling machines. When the milling cutter needs to be replaced or polished, the entire milling cutter needs to be disassembled, which reduces the work efficiency.

Utility model content

The purpose of the utility model is to solve the shortcomings of the prior art, and proposes a detachable cutter for a milling machine, so that the milling cutter can be quickly disassembled and replaced according to actual needs, thereby improving the work efficiency.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A detachable tool for milling machine is designed, which includes a tool handle, a connecting sleeve is fixedly arranged at the lower part of the tool handle, and a slot is opened in the middle of the lower surface of the connecting sleeve; The first guide groove is symmetrically provided with a first installation groove that communicates with the first guide groove; a milling cutter is inserted into the slot, and the upper part of the outer side of the milling cutter is fixedly provided with a matching first guide groove. a guide plate; positioning plates are slidably arranged in the first installation grooves; a second installation groove corresponding to the first installation groove is opened on the outside of the connection sleeve, and a first spring is installed in the second installation groove; A push rod is inserted on the side of the first spring away from the second installation groove, one end of the push rod passes through the first spring and then passes through the connecting sleeve and is fixedly connected with the positioning plate, and the other end of the push rod is fixedly connected with a baffle plate; the connecting sleeve The outer sleeve is provided with a sliding sleeve, and one side of the lower surface of the sliding sleeve is provided with a second guide groove matching the baffle plate; one side of the connecting sleeve is provided with a locking mechanism, and the locking mechanism is located above the sliding sleeve.

Preferably, the locking mechanism includes a second spring, a cross bar and an end cover; an installation hole is opened on one side of the connecting sleeve, and a second spring is installed in the installation hole; the second spring is far from the installation hole The side is provided with a cross block rod, and an end cover is sleeved on the outer side of one end of the cross block rod away from the second spring; the outer side of the end cover is threadedly connected with the installation hole;

Preferably, the upper and lower sides of the guide plate are inclined, and the upper and lower sides of the positioning plate are arranged in an inclined shape matching the guide plate.

Preferably, the upper end of the milling cutter is fixedly provided with a conical boss, and the upper end of the slot is provided with a positioning groove matching the conical boss.

Preferably, the baffle is arranged in a spherical arc shape on one side close to the sliding sleeve.

The utility model proposes a detachable tool for a convenient milling machine, and the beneficial effect is that: in the utility model, a first guide groove that communicates with the slot is evenly opened in the connecting sleeve, and the upper part of the outer side of the milling tool is fixedly provided with a second guide groove. A guide plate matched with the guide groove enables the milling cutter to be set on the connecting sleeve by inserting the method to make the installation more convenient and quick. A first spring is installed in the second installation groove, and a push rod is inserted on the side of the first spring away from the second installation groove. A baffle is fixedly connected at one end, a sliding sleeve is set on the outer side of the connecting sleeve, and a second guide groove matching the baffle is opened on one side of the lower surface of the sliding sleeve. Whether the cutter is clamped or not makes the installation and disassembly of the milling cutter more convenient and quick, thereby improving the work efficiency.

Description of drawings

1 is a schematic diagram of the front cross-sectional structure of a detachable cutter for a convenient milling machine proposed by the utility model;

2 is a schematic diagram of the enlarged structure of part A in a removable cutter for a convenient milling machine proposed by the utility model;

3 is a schematic diagram of the enlarged structure of part B in a detachable tool for a convenient milling machine proposed by the utility model;

FIG. 4 is a schematic cross-sectional structural schematic diagram of a front view of a connecting sleeve part of a detachable tool for a convenient milling machine proposed by the present invention.

In the figure: tool handle 1, connecting sleeve 2, slot 3, first guide groove 4, first installation groove 5, milling cutter 6, guide plate 7, positioning plate 8, second installation groove 9, first spring 10, Push rod 11 , baffle plate 12 , sliding sleeve 13 , locking mechanism 14 , second spring 15 , cross stop rod 16 , end cover 17 , mounting hole 18 , conical boss 19 , positioning groove 20 .

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

Referring to Figures 1-4, a detachable tool for convenient milling includes a handle 1, a connecting sleeve 2 is fixedly arranged at the lower part of the handle 1, a slot 3 is opened in the middle of the lower surface of the connecting sleeve 2, and the interior of the connecting sleeve 2 is uniform A first guide groove 4 that communicates with the slot 3 is provided, the connecting sleeve 2 is symmetrically provided with a first installation groove 5 that communicates with the first guide groove 4, and a milling cutter 6 is inserted in the slot 3. The milling cutter 6 A guide plate 7 matching the first guide groove 4 is fixedly arranged on the upper part of the outer side.

The positioning plates 8 are slidably arranged in the first installation grooves 5 , the second installation grooves 9 corresponding to the first installation grooves 5 are opened on the outer side of the connecting sleeve 2 , and the first springs 10 are installed in the second installation grooves 9 . A push rod 11 is inserted on the side of a spring 10 away from the second installation slot 9. One end of the push rod 11 passes through the first spring 10 and then passes through the connecting sleeve 2 and is fixedly connected to the positioning plate 8. The other end of the push rod 11 is fixedly connected with a stopper. The plate 12, the baffle plate 12 is arranged in a spherical arc shape on the side close to the sliding sleeve 13, the outer side of the connecting sleeve 2 is sleeved with a sliding sleeve 13, and the lower surface side of the sliding sleeve 13 is provided with a second guide groove matching the baffle plate 12. The positioning plate 8 mounts and fixes the milling cutter 6 .

One side of the connecting sleeve 2 is provided with a locking mechanism 14 , the locking mechanism 14 is located above the sliding sleeve 13 , the locking mechanism 14 includes a second spring 15 , a cross bar 16 and an end cover 17 , and one side of the connecting sleeve 2 is provided with a mounting hole 18. A second spring 15 is installed in the mounting hole 18, a cross bar 16 is provided on the side of the second spring 15 away from the mounting hole 18, and an end cover 17 is sleeved on the outer side of one end of the cross bar 16 away from the second spring 15, The outer side of the cover 17 is threadedly connected with the installation hole 18 , the lower side of the cross stop rod 16 is in contact with the upper surface of the sliding sleeve 13 , the cross stop rod 16 is pushed out of the installation hole 18 by the elastic force of the second spring 15 , and the cross stop rod 16 pairs The position of the sliding sleeve 13 is fixed.

The upper and lower sides of the guide plate 7 are inclined, and the upper and lower sides of the positioning plate 8 are arranged in an inclined shape that matches the guide plate 7. The guide plate 7 and the positioning plate 8 are inclined to make the installation of the milling cutter 6 more convenient and quick. .

The upper end of the milling cutter 6 is fixedly provided with a tapered boss 19, and the upper end of the slot 3 is provided with a positioning groove 20 that matches the tapered boss 19. Through the cooperation of the positioning groove 20 and the tapered boss 19, the milling The center line of the cutter 6 and the center line of the connecting sleeve 2 are the same straight line, so that the center line of the milling cutter 6 and the center line of the tool holder 1 are the same straight line.

Working principle: When working, use the elastic force of the first spring 10 to push the baffle plate 12 to move away from the connecting sleeve 2, then insert the milling cutter 6 into the connecting sleeve 2, and use the matching of the positioning groove 20 and the conical boss 19, Make the center line of the milling cutter 6 and the center line of the shank 1 the same straight line, then pull down the sliding sleeve 13, and use the inner wall of the sliding sleeve 13 to squeeze the baffle plate 12 inward, so that the push rod 11 pushes the positioning plate 8 Slide to the side of the milling cutter 6 to fix the milling cutter 6 , and use the elastic force of the second spring 15 to push the cross bar 16 to move away from the connecting sleeve 2 , so that the cross bar 16 fixes the position of the sliding sleeve 13 .

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Equivalent replacement or modification of the technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (5)

1. A detachable cutter convenient for a milling machine comprises a cutter handle (1) and is characterized in that a connecting sleeve (2) is fixedly arranged at the lower part of the cutter handle (1), and a slot (3) is formed in the middle of the lower surface of the connecting sleeve (2); first guide grooves (4) communicated with the slots (3) are uniformly formed in the connecting sleeve (2), and first mounting grooves (5) communicated with the first guide grooves (4) are symmetrically formed in the connecting sleeve (2); a milling cutter (6) is inserted into the slot (3), and a guide plate (7) matched with the first guide groove (4) is fixedly arranged at the upper part of the outer side of the milling cutter (6); a positioning plate (8) is arranged in the first mounting grooves (5) in a sliding manner; a second mounting groove (9) corresponding to the first mounting groove (5) is formed in the outer side of the connecting sleeve (2), and a first spring (10) is mounted in the second mounting groove (9); a push rod (11) is inserted into one side, away from the second mounting groove (9), of the first spring (10), one end of the push rod (11) penetrates through the first spring (10) and then penetrates through the connecting sleeve (2) to be fixedly connected with the positioning plate (8), and the other end of the push rod (11) is fixedly connected with a baffle plate (12); a sliding sleeve (13) is sleeved outside the connecting sleeve (2), and a second guide groove matched with the baffle (12) is formed in one side of the lower surface of the sliding sleeve (13); one side of the connecting sleeve (2) is provided with a locking mechanism (14), and the locking mechanism (14) is positioned above the sliding sleeve (13).

2. The removable cutter for milling machines of claim 1 wherein said locking mechanism (14) comprises a second spring (15), a cross bar (16) and an end cap (17); a mounting hole (18) is formed in one side of the connecting sleeve (2), and a second spring (15) is arranged in the mounting hole (18); a cross stop lever (16) is arranged on one side of the second spring (15) far away from the mounting hole (18), and an end cover (17) is sleeved on the outer side of one end of the cross stop lever (16) far away from the second spring (15); the outer side of the end cover (17) is in threaded connection with the mounting hole (18); the lower side of the cross stop lever (16) is attached to the upper surface of the sliding sleeve (13).

3. The removable cutting tool for milling machine according to claim 1, characterized in that the upper and lower side surfaces of the guiding plate (7) are inclined, and the upper and lower side surfaces of the positioning plate (8) are arranged to be inclined to match with the guiding plate (7).

4. The removable cutter convenient for the milling machine of claim 1 is characterized in that a conical boss (19) is fixedly arranged at the upper end of the milling cutter (6), and a positioning groove (20) matched with the conical boss (19) is formed at the upper end of the slot (3).

5. The removable cutting tool for milling machines according to claim 1, characterized in that the side of the baffle (12) close to the sliding sleeve (13) is arranged in a spherical arc shape.

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