Cutter replacing device of numerical control machine tool

By introducing a cylinder, a rotating block, and a clamping drive mechanism into the tool changing device of a CNC machine tool, the problem of requiring a separate power supply for motor rotation is solved, enabling convenient tool changing and stable clamping, and improving the automation level of the CNC machine tool.

CN223848711UActive Publication Date: 2026-01-30KUNSHAN FUJI MASCH MFG CO LTD
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Patent Information

Application Number
CN202423109955.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2026-01-30
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

In existing CNC machine tool tool changing devices, the motor is located at the temporal part of the mounting head, which requires a separate mobile power supply when the motor rotates. This results in a longer service life and a shorter charging frequency, and the operation is complicated.

Method used

A tool changing device for CNC machine tools was designed. By setting up a cylinder, a rotating block and a rotating motor, combined with a clamping drive mechanism, the tool angle can be adjusted and clamped, simplifying the tool changing process.

Benefits of technology

It improves the convenience and stability of tool changing, reduces the frequency of motor use and operational complexity, and enhances the automation level of CNC machine tools.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223848711U_ABST
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Abstract

The utility model discloses a numerical control machine tool cutter replacing device which comprises a machine tool plate, two electric track strips are installed on the top of the machine tool plate, a supporting rod is installed on the tops of the electric track strips, a cylinder is fixed to the top of the supporting rod, a rotating block is rotationally connected to the interior of the cylinder, a connecting rod is fixed to the top of the cylinder, and the connecting rod is connected with the rotating block in a rotating mode. And a moving frame is arranged in the connecting rod, and an adjusting screw rod is in threaded connection with the interior of the moving frame. According to the numerical control machine tool cutter replacing device, the cylinder, the rotating blocks and the rotating motor are arranged, the rotating motor is started, the rotating motor drives the left rotating block, the left rotating block drives the horizontal limiting rod to rotate, the horizontal limiting rod drives the moving frame to rotate, the moving frame drives the moving block to move through the vertical limiting rod, and the moving block drives the numerical control motor to rotate; therefore, the angle of the bottom of the fixing cylinder can be adjusted, the height of the bottom of the fixing cylinder can be increased, and a cutter can be conveniently inserted into the fixing cylinder.
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Description

TECHNICAL FIELD

[0001] The utility model relates to machine tool tool replacement technical field, concretely is a numerical control machine tool tool replacement device. BACKGROUND

[0002] Numerical control machine tool is the abbreviation of digital control machine tool, is a kind of automatic machine tool equipped with program control system, by searching, the existing patent (publication number: CN221871206U) discloses a numerical control machine tool tool quick replacement device, including main component, the main component includes operation table, track, electric sliding seat, support frame, first threaded rod, U-shaped plate and dismounting assembly.The utility model discloses a second motor drives second threaded rod rotation, to push block and drive tool box to move to the lower part of mounting head, pass through the positioning sensor and identify the tool storage hole on tool box and different models of tool, first, old tool is inserted into the empty insertion hole on tool box, and the clamping of old tool is released to dismount, after the positioning sensor identifies the new tool that needs to be installed on tool box, it is automatically moved down, and the new tool is inserted into the six-rib hole on mounting head, and the new tool is clamped and fixed, in the whole working process, the parts work cooperatively, realize the quick replacement and accurate positioning of tool, not only improve the machining efficiency of numerical control machine tool, also reduce the labor intensity of operator, improve the automation level of machining process.

[0003] It is simple and convenient that it is driven by two-way motor with two screw rods, and the two screw rods move two connecting blocks, and the two connecting blocks clamp the tool, but it has the following deficiencies: the two-way motor is located on the temporal part of the mounting head, so when the motor drives the mounting head to rotate, the two-way motor will also rotate, and the motor drives the mounting head to rotate all the time, so it is necessary to provide a separate mobile power supply for the two-way motor, and the mobile power supply needs to be charged after long-term use. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a numerical control machine tool tool replacement device, which solves the problems raised in the above background.

[0005] In order to achieve the above object, the utility model discloses a numerical control machine tool tool replacement device through the following technical schemes, including machine tool plate, the top of machine tool plate is installed with two electric track strip, the top of electric track strip is installed with support rod, the top of support rod is fixed with cylinder, the inside rotation of cylinder is connected with swivel block, the top of cylinder is fixed with connecting rod, the inside of connecting rod is equipped with moving frame, the inside screw of moving frame has and adjusts screw rod, the inside of moving frame is located the upper and lower sides of adjusting screw rod and is slidably connected with two horizontal limit rods, the both ends of adjusting screw rod and the both ends of horizontal limit rod are respectively rotatably connected and fixedly connected with the opposite sides of two swivel blocks, the inside of moving frame is equipped with moving block, the inside of moving frame is slidably connected with two vertical limit rods, the both ends of two vertical limit rods are respectively fixedly connected with the inside upper and lower surfaces of moving frame, the top of moving frame is fixed with lifting hydraulic rod, the output shaft of lifting hydraulic rod is fixedly connected through the top of moving frame and moving block, the front surface of moving block is fixed with numerical control motor, the bottom of output shaft of numerical control motor is fixed with fixed cylinder, the inside of fixed cylinder is inserted with tool, the inside screw of fixed cylinder has two clamping screw rods, two fixed holes are formed in the outer side wall of tool, the right side of right side swivel block is fixed with displacement motor, the output shaft of displacement motor is fixedly connected through the right end of swivel block and adjusting screw rod, the left side of left side cylinder is fixed with fixed frame, the left side of fixed frame is fixed with rotating motor, the output shaft of rotating motor is fixedly connected with the left side of left side swivel block.

[0006] Preferably, the outer side of the fixed cylinder is provided with a clamping driving mechanism, the clamping driving mechanism comprises two racks, the upper and lower sides of the rack are provided with a swivel ring, the two ends of the rack are respectively fixedly connected with the opposite sides of the two swivel rings, the outer wall of the clamping screw rod is sleeved with a gear, the gear is rotatably connected with the outer wall of the fixed cylinder, the outer wall of the gear is fixed with two stop blocks, the outer wall of the clamping screw rod is provided with two stop grooves, the stop blocks are located in the stop grooves, and the rack and the gear are meshingly connected.

[0007] Preferably, the opposite sides of the two swivel rings are rotatably connected with a fixed ring, two fixed rods are fixed between the two fixed rings, a moving rod is fixed between the two fixed rods, an adjusting hydraulic rod is fixed to the bottom of the moving block, and the output shaft bottom of the adjusting hydraulic rod is fixedly connected with the top of the moving rod.

[0008] Preferably, two round rods are fixed between the two swivel rings, a connecting block is slidably connected with the outer wall of the round rod, and the connecting block is fixedly connected with the outer wall of the fixed cylinder.

[0009] Preferably, the top end of the tool and the inside upper side of the fixed cylinder are of a rectangular structure.

[0010] Preferably, the left side of the moving frame is shorter at the bottom than at the top.

[0011] Advantages

[0012] The utility model provides a numerical control machine tool tool replacement device. Compared with prior art, it has the following advantages:

[0013] 1. The numerical control machine tool tool replacement device, by setting cylinder, rotating block and rotating motor, starting rotating motor, rotating motor takes left rotating block, left rotating block takes horizontal limit rod rotation, horizontal limit rod takes moving frame rotation, moving frame moves through vertical limit rod takes moving block, moving block takes numerical control motor rotation, numerical control motor, takes fixed cylinder rotation, this can adjust the angle of fixed cylinder bottom, raise fixed cylinder bottom height, this is convenient for the tool is inserted into fixed cylinder.

[0014] 2. The numerical control machine tool tool replacement device, by setting clamping drive mechanism, starting adjusting hydraulic rod, adjusting hydraulic rod takes moving rod movement, moving rod takes fixed rod movement, fixed rod takes fixed ring movement, fixed ring takes circular ring and rack movement, rack movement makes gear wheel rotation, gear wheel takes stop block rotation, stop block passes through fender groove and makes clamping screw rotation, clamping screw rotation will move, clamping screw inserts fixed hole or removes fixed hole, can clamp and fix and relax to tool. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of the utility model structure schematic diagram;

[0016] Figure 2 It is the structure schematic diagram of the utility model side view;

[0017] Figure 3 It is the structure schematic diagram of the utility model in moving frame, moving block, fixed cylinder, numerical control motor and clamping drive mechanism;

[0018] Figure 4 It is the structure schematic diagram of the utility model in tool and fixed cylinder section view.

[0019] In the figure: 1, numerical control motor; 2, fixed cylinder; 3, cutter; 4, stop block; 5, electric track; 6, displacement motor; 7, machine tool plate; 8, rotating block; 9, clamping driving mechanism; 10, connecting rod; 11, horizontal limiting rod; 12, moving block; 13, moving frame; 14, lifting hydraulic rod; 15, adjusting screw rod; 16, fixed frame; 17, rotating motor; 18, fixed ring; 19, rotating ring; 20, round rod; 21, rack; 22, connecting block; 23, gear; 24, clamping screw rod; 25, cylinder; 26, fixed rod; 27, vertical limiting rod; 28, moving rod; 29, blocking groove; 30, adjusting hydraulic rod; 31, supporting rod; 32, fixed hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-4The utility model provides a technical scheme: numerical control machine tool tool replacement device, including lathe plate 7, the top of lathe plate 7 is installed two electric track strip 5, the top of electric track strip 5 is installed support rod 31, the top of support rod 31 is fixed with cylinder 25, the inside rotation of cylinder 25 is connected with the block 8, the top of cylinder 25 is fixed with connecting rod 10, the inside of connecting rod 10 is equipped with moving frame 13, the inside screwing of moving frame 13 has the adjusting screw rod 15, the inside of moving frame 13 is slidably connected with two horizontal limit rods 11 in the upper and lower of adjusting screw rod 15, the both ends of adjusting screw rod 15 and horizontal limit rod 11 are respectively rotatably connected and fixedly connected with the opposite sides of two block 8, the inside of moving frame 13 is equipped with moving block 12, the inside sliding of moving frame 13 is connected with two vertical limit rods 27, the both ends of two vertical limit rods 27 are respectively fixedly connected with the inside upper and lower surfaces of moving frame 13, the top of moving frame 13 is fixed with lifting hydraulic rod 14, the output shaft of lifting hydraulic rod 14 passes through the top fixed connection of moving frame 13 and moving block 12, the front surface of moving block 12 is fixed with numerical control motor 1, the bottom of the output shaft of numerical control motor 1 is fixed with fixed cylinder 2, the inside of fixed cylinder 2 is inserted with tool 3, the inside screwing of fixed cylinder 2 has two clamping screw rods 24, two fixed holes 32 are set up in the outside wall of tool 3, the right side of right side block 8 is fixed with displacement motor 6, the output shaft of displacement motor 6 passes through the right end fixed connection of block 8 and adjusting screw rod 15, the left side of left side cylinder 25 is fixed with fixed frame 16, the left side of fixed frame 16 is fixed with rotating motor 17, the output shaft of rotating motor 17 is fixedly connected with the left side of left side block 8, so this can adjust the angle of fixed cylinder 2, and tool 3 is inserted conveniently.

[0022] Further, the outer side of the fixing cylinder 2 is provided with a clamping driving mechanism 9, the clamping driving mechanism 9 comprises two racks 21, the upper and lower sides of the rack 21 are provided with a swivel ring 19, the two ends of the rack 21 are fixedly connected with the opposite sides of the two swivel rings 19 respectively, the outer side wall of the clamping screw 24 is sleeved with a gear 23, the gear 23 is rotationally connected with the outer side wall of the fixing cylinder 2, the outer side wall of the gear 23 is fixedly connected with two stop blocks 4, the outer side wall of the clamping screw 24 is provided with two stop grooves 29, the stop block 4 is located in the inside of the stop groove 29, the rack 21 and the gear 23 are meshingly connected, the rack 21 moves to make the gear 23 rotate, so that the clamping screw 24 can move, the tool 3 is clamped and loosened, the opposite sides of the two swivel rings 19 are rotationally connected with a fixed ring 18, the two fixed rings 18 are fixedly connected with two fixed rods 26, the two fixed rods 26 are fixedly connected with a moving rod 28, the bottom of the moving block 12 is fixedly connected with an adjusting hydraulic rod 30, the output shaft bottom of the adjusting hydraulic rod 30 is fixedly connected with the top of the moving rod 28, so that the rack 21 can move, the rack 21 moves to make the gear 23 rotate, the two swivel rings 19 are fixedly connected with two round rods 20, the outer side wall of the round rod 20 is slidingly connected with a connecting block 22, the connecting block 22 is fixedly connected with the outer side wall of the fixing cylinder 2, so that the stability of the clamping driving mechanism 9 can be enhanced, the top end of the tool 3 and the inside upper side of the fixing cylinder 2 are of a rectangular structure, so that the rotation of the tool 3 can be limited, the left side lower side of the moving frame 13 is shorter than the left side upper side, so that the downward movement of the moving rod 28 will not be blocked.

[0023] When working, the rotating motor 17 is started, the rotating motor 17 drives the left side rotating block 8 to rotate, the left side rotating block 8 drives the horizontal limiting rod 11 to rotate, the horizontal limiting rod 11 drives the moving frame 13 to rotate, the moving frame 13 drives the moving block 12 to move through the vertical limiting rod 27, the moving block 12 drives the numerical control motor 1 to rotate, the numerical control motor 1 drives the fixing cylinder 2 to rotate, so that the angle of the bottom of the fixing cylinder 2 can be adjusted, the height of the bottom of the fixing cylinder 2 can be raised, so that the tool 3 can be conveniently inserted into the fixing cylinder 2, the adjusting hydraulic rod 30 is started, the adjusting hydraulic rod 30 drives the moving rod 28 to move, the moving rod 28 drives the fixed rod 26 to move, the fixed rod 26 drives the fixed ring 18 to move, the fixed ring 18 drives the swivel ring 19 and the rack 21 to move, the rack 21 moves to make the gear 23 rotate, the gear 23 drives the stop block 4 to rotate, the stop block 4 drives the clamping screw 24 to rotate through the stop groove 29, the clamping screw 24 rotates to move, the clamping screw 24 is inserted into or removed from the fixing hole 32, so that the tool 3 can be clamped and fixed and loosened, the fixing of the tool 3 is facilitated.

[0024] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0025] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0026] While embodiments of the present application have been shown and described with reference to the figures, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the spirit and scope of the present application, which should be limited only by the scope of the appended claims and the equivalents thereof.

Claims

1. A numerical control machine tool tool changer comprising a machine table (7), characterized in that: The top of the machine tool plate (7) is provided with two electric track bars (5), the top of the electric track bar (5) is provided with a support rod (31), the top of the support rod (31) is fixedly provided with a cylinder (25), the inside of the cylinder (25) is rotatably connected with a rotating block (8), the top of the cylinder (25) is fixedly provided with a connecting rod (10), the inside of the connecting rod (10) is provided with a moving frame (13), the inside of the moving frame (13) is screwed with an adjusting screw (15), the inside of the moving frame (13) is slidably connected with two horizontal limiting rods (11) above and below the adjusting screw (15), the two ends of the adjusting screw (15) and the two ends of the horizontal limiting rod (11) are rotatably connected and fixedly connected with the opposite sides of the two rotating blocks (8) respectively, the inside of the moving frame (13) is provided with a moving block (12), the inside of the moving frame (13) is slidably connected with two vertical limiting rods (27), the two ends of the two vertical limiting rods (27) are fixedly connected with the inside upper and lower surfaces of the moving frame (13) respectively, the top of the moving frame (13) is fixedly provided with a lifting hydraulic rod (14), the output shaft of the lifting hydraulic rod (14) is fixedly connected through the top of the moving frame (13) and the moving block (12), the front surface of the moving block (12) is fixedly provided with a numerical control motor (1), the bottom end of the output shaft of the numerical control motor (1) is fixedly provided with a fixed cylinder (2), the inside of the fixed cylinder (2) is inserted with a tool (3), the inside of the fixed cylinder (2) is screwed with two clamping screws (24), the outside wall of the tool (3) is provided with two fixed holes (32), the right side of the right rotating block (8) is fixedly provided with a displacement motor (6), the output shaft of the displacement motor (6) is fixedly connected through the right end of the rotating block (8) and the adjusting screw (15), the left side of the left cylinder (25) is fixedly provided with a fixed frame (16), the left side of the fixed frame (16) is fixedly provided with a rotating motor (17), the output shaft of the rotating motor (17) is fixedly connected with the left side of the left rotating block (8).

2. A numerical control machine tool tool changer according to claim 1, characterized in that: The outside of the fixed cylinder (2) is provided with a clamping driving mechanism (9), the clamping driving mechanism (9) comprises two racks (21), the upper and lower sides of the rack (21) are both provided with a rotating ring (19), the two ends of the rack (21) are fixedly connected with the opposite sides of the two rotating rings (19) respectively, the outside wall of the clamping screw (24) is sleeved with a gear (23), the gear (23) is rotatably connected with the outside wall of the fixed cylinder (2), the outside wall of the gear (23) is fixedly provided with two stop blocks (4), the outside wall of the clamping screw (24) is provided with two stop grooves (29), the stop blocks (4) are located in the inside of the stop grooves (29), the rack (21) and the gear (23) are meshingly connected.

3. A numerical control machine tool tool changer according to claim 2, characterized in that: The two said rotating rings (19) are rotationally connected with fixing rings (18) on opposite sides, two fixing rods (26) are fixed between the two said fixing rings (18), a moving rod (28) is fixed between the two said fixing rods (26), an adjusting hydraulic rod (30) is fixed to the bottom of the moving block (12), and the output shaft bottom of the adjusting hydraulic rod (30) is fixedly connected with the top of the moving rod (28).

4. A numerical control machine tool tool changer according to claim 3, characterized in that: Two round rods (20) are fixed between the two said rotating rings (19), the outer side wall of the round rod (20) is slidably connected with a connecting block (22), and the connecting block (22) is fixedly connected with the outer side wall of the fixing cylinder (2).

5. A numerical control machine tool tool changer according to claim 4, characterised in that: The top end of the cutter (3) and the upper part of the inside of the fixing cylinder (2) are of a rectangular structure.

6. A numerical control machine tool tool changer according to claim 5, characterised in that: The left lower side of the moving frame (13) is shorter than the left upper side.

Citation Information

Patent Citations

  • Quick cutter replacing device for numerical control machine tool

    CN221871206U