Automatic tool changing device for metal cutting machine tool

Abstract

The utility model relates to the technical field of tool changing devices, in particular to an automatic tool changing device for a metal cutting machine tool, which comprises a mounting frame, an air cylinder is hinged outside the mounting frame, an adjusting sleeve is hinged at the output end of the air cylinder, a swing arm is slidably connected in the adjusting sleeve, one end of the swing arm is fixedly connected with a shell, and the other end of the swing arm is fixedly connected with the shell. The bottom of the shell is rotationally connected with a connector, the connector is sleeved with a sleeve, a one-way adjusting assembly is further arranged in the shell, and a fixing assembly is further arranged outside the swing arm. According to the utility model, the length of the adjusting sleeve can be adjusted according to environmental requirements, so that a bolt on a machine tool cutter can be conveniently disassembled and assembled.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tool changing device technical field, especially a kind of automatic tool changing device for metal cutting machine tool. BACKGROUND

[0002] Machine tool is worn after long-term use, so the tool of numerical control machine tool is often replaced, and in the process of replacement, the bolt for fixing tool is disassembled by tool.

[0003] Chinese patent with announcement number CN 219925222 U discloses a machine tool tool changing device, comprising a C-shaped frame, the C-shaped frame is C-shaped structure, and two ends of the C-shaped frame are provided with two locking parts, one of the locking parts is fixedly connected with the end of the C-shaped frame, which is a fixed locking part, the other locking part is movably connected with the end of the C-shaped frame, which is a movable locking part, when the movable locking part moves, the distance between the movable locking part and the fixed locking part changes, the locking part comprises a locking rod, the locking rod is cylindrical in shape, the outer side of the locking rod is fixedly connected with a guide piece, the guide piece is V-shaped elastic piece, and the openings of the two guide pieces are opposite, one end of the C-shaped frame is fixedly connected with a handle, and the handle is provided with an adjusting part for moving the movable locking part.

[0004] The length of the handle in the patent cannot be adjusted, when the bolt is screwed tightly, it cannot be unscrewed and disassembled, in the patent, the length of the handle cannot be adjusted, and the bolt cannot be quickly disassembled by using the principle of lever, so it is inconvenient to use. UTILITY MODEL CONTENTS

[0005] In view of the technical problems in the background art, the utility model provides an automatic tool changing device for metal cutting machine tool.

[0006] The utility model adopts the technical scheme that an automatic tool changing device for metal cutting machine tool, including mounting bracket, the outside of mounting bracket is hinged with pneumatic cylinder, the output end of pneumatic cylinder is hinged with adjusting sleeve, slidingly connected with swing arm in adjusting sleeve, one end of swing arm is fixedly connected with shell, the bottom of shell is rotatably connected with connecting head, the outside of connecting head is equipped with sleeve, one-way adjusting assembly is also arranged in shell, and fixed assembly is also arranged on the outside of swing arm.

[0007] The utility model is further provided with, one-way adjusting assembly includes gear and pawl, gear is rotatably connected in shell, two pawls are symmetrically rotatably connected in shell, gear is coaxially fixedly connected with connecting head, the position of corresponding pawl in shell is fixedly connected with conical spring, one end of conical spring is fixedly connected with corresponding pawl, abutting disc is also rotatably connected in shell, the bottom of shell is rotatably connected with first lever, first lever is fixedly connected with abutting disc.

[0008] The utility model further sets up, the outside of adjusting cover is equipped with sliding mouth, the outside of sliding mouth is equipped with a plurality of sets of positioning mouth, the positioning mouth is triangle or rectangle structure.

[0009] The utility model further sets up, the fixed component includes the fixed post of fixed connection in the swing arm outside and the spring piece of fixed connection in the both ends of fixed post, the position fixed connection of the outside of spring piece corresponding positioning mouth is fixed connection with limiting protruding, limiting protruding and one of positioning mouth are connected.

[0010] The utility model further sets up, the outside fixed connection of fixed post has guide rod, the outside sleeve of guide rod is equipped with sliding sleeve, the outside fixed connection of sliding sleeve has resisting block.

[0011] The utility model further sets up, the outside fixed connection of resisting block and limiting protruding all has second lever.

[0012] The utility model further sets up, the outside fixed connection of mounting frame has handle.

[0013] The utility model discloses the beneficial effect is: the utility model discloses, the sleeve is inserted in the outside of connector, then the position of adjusting cover is controlled sliding, after adjusting, the sleeve position is fixed through fixed component;Again the sleeve corresponds the bolt on machine tool cutter, holds mounting frame, starts the reciprocating motion of pneumatic cylinder, and the reciprocating swing of shell and swing arm is driven by pneumatic cylinder, and the cooperation of ratchet pawl and gear can make connector drive sleeve unidirectionally rotate, can automatically disassemble and take down bolt, then changes the cutter and replaces, can adjust the length of adjusting cover according to the environment needs in the utility model, and the bolt on machine tool cutter is conveniently disassembled and assembled. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the overhead structure schematic diagram of the utility model;

[0015] Figure 2 It is the structure schematic diagram of adjusting cover and swing arm in the utility model;

[0016] Figure 3 It is the sliding mouth structure schematic diagram of adjusting cover bottom in the utility model;

[0017] Figure 4 It is Figure 3 The enlarged structure schematic diagram of A area in the utility model;

[0018] Figure 5 It is the gear structure schematic diagram in the utility model;

[0019] Figure 6It is the overhead structure schematic diagram of gear in the utility model.

[0020] Marked as in the figure:

[0021] 1, mounting frame;2, cylinder;3, adjusting sleeve;4, shell;5, sleeve;6, connector;7, first lever;8, swing arm;9, positioning port;10, sliding port;11, fixed column;12, spring piece;13, limiting protrusion;14, second lever;15, guide rod;16, sliding sleeve;17, abutting block;18, gear;19, pawl;20, conical spring;21, abutting disc. DETAILED DESCRIPTION

[0022] In the description of the utility model, it needs to explain, the term "front", "upper", "lower", "left", "right", "vertical", "horizontal" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as the limitation of the utility model.

[0023] The following will be combined with the drawings Figures 1-6 Further illustrate the utility model.

[0024] In order to solve the problems in the background art, the present application proposes the following technical scheme: an automatic tool changer for metal cutting machine tool, comprising a mounting frame 1, the outer part of the mounting frame 1 is fixedly connected with a handle, the outer part of the mounting frame 1 is hingedly connected with a cylinder 2, the output end of the cylinder 2 is hingedly connected with an adjusting sleeve 3, the adjusting sleeve 3 is slidably connected with a swing arm 8, one end of the swing arm 8 is fixedly connected with a shell 4, the bottom of the shell 4 is rotatably connected with a connector 6, the outer part of the connector 6 is sleeved with a sleeve 5, the cylinder 2 reciprocates, the cylinder 2 drives the shell 4 and the swing arm 8 to reciprocate, so that the sleeve 5 can be driven to reciprocate, and the bolt can be disassembled and removed.

[0025] In the embodiment, a one-way adjusting assembly is further arranged in the shell 4, and a fixing assembly is further arranged on the outer part of the swing arm 8.

[0026] In the specific design, the one-way adjusting assembly is provided with a gear 18 and two symmetrical pawls 19, the gear 18 is coaxially fixedly connected with the connecting head 6, the corresponding pawl 19 is fixedly connected with a conical spring 20 in the shell 4, one end of the conical spring 20 is fixedly connected with the corresponding pawl 19, the shell 4 is further rotatably connected with a resisting disc 21, the bottom of the shell 4 is rotatably connected with a first lever 7, the first lever 7 is fixedly connected with the resisting disc 21, the direction of the first lever 7 is pushed to resist the different pawls 19, the two pawls 19 are cut and resist the gear 18, and the one-way rotation of the gear 18 driving the connecting head 6 is realized.

[0027] In the embodiment, a sliding port 10 is further arranged outside the adjusting sleeve 3, a plurality of positioning ports 9 are arranged outside the sliding port 10, the positioning ports 9 are triangular or rectangular structures, and in the embodiment, the triangular structure, the fixing assembly includes a fixing column 11 fixedly connected outside the swing arm 8 and spring sheets 12 fixedly connected at both ends of the fixing column 11, the spring sheets 12 are fixedly connected with limiting protrusions 13 at the positions corresponding to the positioning ports 9 outside, the spring sheets 12 are clamped in the positioning ports 9 with the limiting protrusions 13, the fixing of the adjusting shell is realized, the limiting protrusions 13 are clamped with the positioning ports 9, the fixing column 11 is fixedly connected with a guide rod 15 outside, the guide rod 15 is sleeved with a sliding sleeve 16 outside, the sliding sleeve 16 is fixedly connected with a resisting block 17 outside, the second lever 14 is fixedly connected with the resisting block 17 and the limiting protrusions 13 outside for facilitating pushing, the sliding sleeve 16 is dampedly slid with the guide rod 15, the position of the adjusting sleeve 3 is controlled by sliding, after the adjustment is completed, the limiting protrusions 13 are clamped in the positioning ports 9 with the spring sheets 12, then the resisting block 17 is slid to resist the both ends of the spring sheets 12, the limiting protrusions 13 are stably resisted in the positioning ports 9, and the position of the sleeve sleeve is fixed.

[0028] The use method of the embodiment is as follows:

[0029] The sleeve 5 is inserted outside the connecting head 6, then the position of the adjusting sleeve 3 is controlled by sliding, after the adjustment is completed, the limiting protrusions 13 are clamped in the positioning ports 9 with the spring sheets 12, then the resisting block 17 is slid to resist the both ends of the spring sheets 12, the limiting protrusions 13 are stably resisted in the positioning ports 9, and the position of the sleeve sleeve is locked.

[0030] The sleeve 5 is inserted outside the connecting head 6, then the position of the adjusting sleeve 3 is controlled by sliding, after the adjustment is completed, the limiting protrusions 13 are clamped in the positioning ports 9 with the spring sheets 12, then the resisting block 17 is slid to resist the both ends of the spring sheets 12, the limiting protrusions 13 are stably resisted in the positioning ports 9, and the position of the sleeve sleeve is locked.

[0030] Then the sleeve 5 is correspondingly arranged on the bolt on the machine tool cutter, the mounting frame 1 is held, the cylinder 2 is started to reciprocate, the cylinder 2 drives the shell 4 and the swing arm 8 to reciprocate, the gear 18 and the pawl 19 are matched, the connecting head 6 drives the sleeve 5 to rotate in one direction, the bolt can be automatically disassembled and removed, then the cutter is replaced, and the replacement is completed.

[0031] In the description of the utility model, it needs to explain, unless another explicit stipulation and limit, term " install " " link " " connection " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be direct connection, also can pass through intermediate medium indirectly link, can be two element inside the intercommunication, for ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility model with specific situation.

[0032] Although the embodiments of the utility model have been shown and described, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic tool changer for a metal cutting machine tool, characterized in that, The utility model provides a kind of single-way adjusting device, including mounting frame (1), the outside of mounting frame (1) is hinged with pneumatic cylinder (2), the output end of pneumatic cylinder (2) is hinged with adjusting sleeve (3), the inside sliding connection of adjusting sleeve (3) has swing arm (8), one end of swing arm (8) is fixedly connected with shell (4), the bottom rotationally connected with connecting head (6) of shell (4), the outside of connecting head (6) is equipped with sleeve (5), one-way adjusting assembly is also equipped in shell (4), the outside of swing arm (8) is also equipped with fixed component.

2. An automatic tool changer for a machine tool for cutting metal as claimed in claim 1, characterized in that The one-way adjusting assembly includes gear (18) and pawl (19), the gear (18) is rotationally connected in the shell (4), the pawl (19) is equipped with two, and is rotationally connected in the shell (4) symmetrically, the gear (18) is coaxially fixedly connected with connecting head (6), the position of corresponding pawl (19) in the shell (4) is fixedly connected with conical spring (20), one end of conical spring (20) is fixedly connected with corresponding pawl (19), the inside rotationally connected with abutment disc (21) in the shell (4), the bottom rotationally connected with first lever (7) of shell (4), the first lever (7) is fixedly connected with abutment disc (21).

3. An automatic tool changer for a machine tool according to claim 2, characterized in that The outside of adjusting sleeve (3) is equipped with sliding port (10), the outside of sliding port (10) is equipped with multiple sets of positioning port (9), and the positioning port (9) is triangular or rectangular structure.

4. An automatic tool changer for a machine tool according to claim 3, characterized in that The fixed component includes fixed column (11) fixedly connected outside swing arm (8) and spring sheet (12) fixedly connected at both ends of fixed column (11), the position of corresponding positioning port (9) outside spring sheet (12) is fixedly connected with limiting protrusion (13), and the limiting protrusion (13) is clamped with one of the positioning port (9).

5. An automatic tool changer for a machine tool for cutting metal as claimed in claim 4, characterized in that The outside of fixed column (11) is fixedly connected with guide rod (15), the outside of guide rod (15) is equipped with sliding sleeve (16), and the outside of sliding sleeve (16) is fixedly connected with abutment block (17).

6. An automatic tool changer for a machine tool for cutting metal as claimed in claim 5, characterized in that The outside of abutment block (17) and limiting protrusion (13) is fixedly connected with second lever (14).

7. An automatic tool changer for a machine tool for cutting metal as claimed in claim 6, characterized in that The outside of mounting frame (1) is fixedly connected with handle.

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