Tool changing mechanism of gantry machining center

Abstract

The utility model relates to the technical field of gantry machining centers, in particular to a tool changing mechanism of a gantry machining center, which reduces the tool changing frequency, reduces the labor burden of workers and prolongs the service life of tools. Comprising a connecting box and a cutter, and the cutter is arranged in the connecting box; the device further comprises a moving assembly, a lifting assembly, a cutter assembly, a fixing assembly and a cleaning assembly, the moving assembly is installed at the bottom end of the interior of the connecting box and comprises a lead screw, a forward and reverse motor, a moving seat and two supporting sliding rods, the fixing assembly is installed on the cutter assembly, and a cutter is installed on the cutter assembly through the fixing assembly. The tool assembly is installed on the moving assembly through the lifting assembly, a tool changing groove is formed in the left side wall of the connecting box, and the cleaning assembly is installed on the inner wall of the right side wall of the connecting box.

Description

Technical Field

[0001] The utility model relates to the technical field of a gantry machining center, in particular to a tool changing mechanism of a gantry machining center. Background Art

[0002] The gantry machining center is one of the most commonly used machining equipment in the industrial manufacturing industry. Its types can be divided into fixed beam type, movable beam type, movable column type, overhead crane type, etc. Different machining characteristics, capabilities, and product processing purposes are not exactly the same. Existing gantry machining centers are often equipped with machining tools, but the tools may be damaged during use, and the existing gantry machining centers are not equipped with a corresponding structure for quickly changing tools, which makes it difficult for workers to change tools. A gantry machining center with a quick tool change mechanism proposed in prior art publication number CN215200866U can solve the above-mentioned problems well, but in the above patent, the tool is installed in a connection box, and only one tool is installed in the connection box, and there is no spare tool, which causes the tool to be frequently replaced, increasing the labor burden of workers. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a tool changing mechanism for a gantry machining center which reduces the frequency of tool replacement, reduces the labor burden of workers, and increases the service life of tools.

[0004] The utility model discloses a tool changing mechanism for a gantry machining center, comprising a connecting box and a tool, wherein the connecting box is provided with a tool inside; further comprising a moving assembly, a lifting assembly, a tool assembly, a fixing assembly and a cleaning assembly, wherein the moving assembly is mounted on the inner bottom end of the connecting box, the fixing assembly is mounted on the tool assembly, the tool is mounted on the tool assembly via the fixing assembly, the tool assembly is mounted on the moving assembly via the lifting assembly, a tool changing slot is provided on the left side wall of the connecting box, and the cleaning assembly is mounted on the right side wall inner wall of the connecting box; a plurality of tools are mounted on the tool assembly via the fixing assembly, the moving assembly drives the tool assembly to pass through the tool changing slot and move to the outside of the connecting box, the lifting assembly can move the tool assembly upwards to replace the tool, the moving assembly drives unsuitable tools to be hidden inside the connecting box for protection, the cleaning assembly can clean and maintain the tool, thereby increasing the tool life.

[0005] Preferably, the moving assembly includes a screw rod, a forward and reverse motor, a moving seat and two supporting slide rods. The screw rod is rotatably installed at the inner bottom end of the connecting box, and the right side wall of the screw rod passes through the side wall of the connecting box and is connected to the output end of the forward and reverse motors. Two supporting slide rods are symmetrically installed about the screw rod at the inner bottom end of the connecting box. The middle part of the moving seat is screwed on the outer wall of the screw rod, and the front and rear ends of the moving seat are slidably installed on the outer walls of the supporting slide rods. Starting the forward and reverse motors drives the screw rods to rotate, and the forward and reverse motors can drive the moving seat to move inside the connecting box, which is convenient for hiding the tool inside the connecting box for protection, thereby increasing the service life of the device.

[0006] Preferably, the lifting assembly includes two electric telescopic rods and a lifting plate. The two electric telescopic rods are respectively fixedly mounted on the front and rear ends of the top of the moving seat, and the top of the electric telescopic rod is fixedly connected to the lifting plate. Starting the electric telescopic rod can push the lifting plate to move upward, making it convenient to remove the tool on the gantry machining center and improving work efficiency.

[0007] Preferably, the tool assembly includes a servo motor, a turntable, a support swivel and four mounting arms. The servo motor is fixedly mounted at the middle of the bottom end of the lifting plate. The output end of the servo motor passes through the bottom end of the lifting plate and is fixedly mounted with a turntable. Four arc-shaped clamps are evenly fixedly mounted on the outer wall of the turntable. A support swivel with a convex cross-section is fixedly mounted on the bottom end of the turntable. A support groove matching the support swivel is provided at the top of the lifting plate. The tools are respectively mounted on the mounting arms, and the servo motor is started to drive the turntable to rotate. The turntable drives the mounting arm to rotate 90 degrees so that the mounting arm is aligned with the tool changing groove, thereby achieving the effect of quickly changing the tool.

[0008] Preferably, the fixing assembly includes multiple groups of arc-shaped clamping plates, a mounting cavity is provided at the outer end of the mounting arm, arc-shaped expansion slots are symmetrically provided in the mounting cavity front and back, the arc-shaped clamping plates are slidably installed in the arc-shaped expansion slots, guide slots are provided at the upper and lower ends of the arc-shaped expansion slots, sliding blocks matching the guide slots are provided at the upper and lower ends of the arc-shaped clamping plates, a spring is provided in the arc-shaped expansion slot, one end of the spring is fixedly connected to the arc-shaped clamping plates; the tool is inserted into the mounting cavity of the mounting arm, and the spring pushes the arc-shaped clamping plate to move in the arc-shaped expansion slot, and the tool is fixedly installed, which can reduce the frequency of tool replacement and can quickly replace the spare tool after the tool is damaged, thereby increasing the convenience of the device.

[0009] Preferably, the cleaning assembly includes a cleaning frame, two rotating rods, two driving gears, a rotating motor and two sponge sleeves. The cleaning frame is fixedly mounted on the inner wall of the right side wall of the connecting box. Two rotating rods are rotatably mounted on the cleaning frame. The bottom ends of the rotating rods pass through the cleaning frame and are fixedly connected to the driving gears. The two driving gears are meshed with each other. The rotating motor is fixedly mounted on the inner wall of the connecting box. The output end of the rotating motor is connected to the output end of the driving gear. A sponge sleeve is installed on the outer wall of the rotating rod; the turntable drives the mounting arm to rotate, and the mounting arm drives the tool to move between the two sponge sleeves. The rotating motor is started to drive the driving gear to rotate, and the driving gear drives the two rotating rods to rotate, so that the sponge sleeve can clean and maintain the tool, thereby achieving the effect of increasing the service life of the tool.

[0010] Preferably, it also includes two fixed plates, two cleaning rods, a hinge shaft, a sealing door and a handle, the two fixed plates are fixedly installed at the front and rear ends of the lower part of the tool changing slot, a cleaning rod is rotatably installed between the bottom end of the tool changing slot and the fixed plate, a brush is provided on the cleaning rod, and the sealing door is movably installed at the front end of the connecting box through the hinge shaft, and a handle is fixedly installed at the front end of the sealing door; when the tool passes through the tool changing slot and enters and exits the connecting box, it contacts the cleaning rod, and the debris attached to the tool is cleaned to reduce the situation where the debris enters the connecting box, and the sealing door can be pulled by the handle, so that the sealing door can be opened at the front end of the connecting box through the hinge shaft, which is convenient for taking and placing the tool.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: multiple tools are installed on the tool assembly through a fixed component, the movable component drives the tool assembly to move through the tool changing slot to the outside of the connecting box, the tool assembly can be moved upward by lifting the component to replace the tool, the movable component drives the unsuitable tools to be hidden inside the connecting box for protection, and the cleaning component can be used to clean and maintain the tools to increase the tool life. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 3 It is a left-side structural schematic diagram of the utility model;

[0015] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model;

[0016] Figure 5 It is a schematic diagram of the cross-sectional structure of the utility model viewed from above;

[0017] Figure 6 It is a right side cross-sectional structural schematic diagram of the utility model;

[0018] Markings in the attached drawings: 1. connecting box; 2. tool; 3. screw rod; 4. forward and reverse motor; 5. moving seat; 6. supporting slide rod; 7. electric telescopic rod; 8. lifting plate; 9. servo motor; 10. turntable; 11. supporting swivel; 12. mounting arm; 13. arc-shaped splint; 14. cleaning frame; 15. rotating rod; 16. driving gear; 17. rotating motor; 18. sponge cover; 19. fixing plate; 20. cleaning rod; 21. hinge shaft; 22. sealing door; 23. handle. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0020] Example 1

[0021] like Figure 1 , Figure 3 , Figure 4 and Figure 6 As shown, a tool 2 is provided inside the connecting box 1, a tool changing groove is opened on the left side wall of the connecting box 1, a screw rod 3 is rotatably installed at the inner bottom end of the connecting box 1, and the right side wall of the screw rod 3 passes through the side wall of the connecting box 1 and is connected to the output end of the forward and reverse motor 4. Two supporting slide bars 6 are symmetrically installed about the screw rod 3 at the inner bottom end of the connecting box 1, the middle part of the moving seat 5 is screwed on the outer wall of the screw rod 3, and the front and rear ends of the moving seat 5 are slidably installed on the outer wall of the supporting slide bar 6, two electric telescopic rods 7 are respectively fixedly installed at the front and rear ends of the top of the moving seat 5, and the top of the electric telescopic rod 7 is fixedly connected with a lifting plate 8, and the servo motor 9 is fixedly installed at the middle part of the bottom end of the lifting plate 8. The output end of the servo motor 9 passes through the bottom end of the lifting plate 8 and is fixedly installed with a turntable 10, and four arc-shaped clamping plates 13 are evenly fixedly installed on the outer wall of the turntable 10, and a supporting rotating ring 11 with a convex cross section is fixedly installed at the bottom end of the turntable 10, and a supporting rotating groove matching the supporting rotating ring 11 is opened at the top of the lifting plate 8;

[0022] The tools 2 are respectively installed on the mounting arms 12, and the servo motor 9 is started to drive the turntable 10 to rotate. The turntable 10 drives the mounting arm 12 to rotate 90 degrees, so that the mounting arm 12 is aligned with the tool changing slot, which can achieve the effect of quickly changing the tool. The forward and reverse motors 4 are started to drive the screw rod 3 to rotate. The forward and reverse motors 4 can drive the moving seat 5 to move inside the connecting box 1, which is convenient for hiding the tool inside the connecting box 1 for protection, thereby increasing the service life of the device. Starting the electric telescopic rod 7 can push the lifting plate 8 to move upward, which is convenient for removing the tool on the gantry machining center and improving work efficiency.

[0023] Example 2

[0024] like Figure 2 , Figure 4 and Figure 5 As shown, on the basis of the first embodiment, it also includes a mounting cavity at the outer end of the mounting arm 12, and an arc-shaped telescopic groove is symmetrically provided in the mounting cavity. The arc-shaped clamping plate 13 is slidably installed in the arc-shaped telescopic groove, and guide grooves are provided at the upper and lower ends of the arc-shaped telescopic groove. Slide blocks matching the guide grooves are provided at the upper and lower ends of the arc-shaped clamping plate 13. A spring is provided in the arc-shaped telescopic groove, and one end of the spring is fixedly connected to the arc-shaped clamping plate 13. The turntable 10 drives the mounting arm 12 to rotate, and the mounting arm 12 drives the tool 2 to move between the two sponge sleeves 18. The rotating motor 17 is started to drive the driving gear 16 to rotate, and the driving gear 16 drives the two rotating rods 15 to rotate, so that the sponge sleeve 18 can clean and maintain the tool 2, thereby achieving the effect of increasing the service life of the tool. The two fixed plates 19 are fixedly installed at the front and rear ends of the lower part of the tool changing groove, and a cleaning rod 20 is rotatably installed between the bottom end of the tool changing groove and the fixed plate 19, and a brush is provided on the cleaning rod 20. The sealing door 22 is movably installed at the front end of the connecting box 1 through the hinge shaft 21, and the front end of the sealing door 22 is fixedly installed with a handle 23;

[0025] The tool 2 is inserted into the mounting cavity of the mounting arm 12, and the spring pushes the arc-shaped clamping plate 13 to move in the arc-shaped telescopic groove. The tool 2 is fixedly installed, which can reduce the frequency of tool replacement and can quickly replace the spare tool after the tool is damaged, thereby increasing the convenience of the device. The turntable 10 drives the mounting arm 12 to rotate, and the mounting arm 12 drives the tool 2 to move between the two sponge sleeves 18. The rotating motor 17 is started to drive the driving gear 16 to rotate, and the driving gear 16 drives the two rotating rods 15 to rotate. Thus, the sponge sleeve 18 can clean and maintain the tool 2, thereby achieving the effect of increasing the service life of the tool. When the tool 2 enters and exits the connecting box 1 through the tool changing groove, it contacts the cleaning rod 20, cleans the debris attached to the tool, and reduces the situation where debris enters the connecting box 1. The sealing door 22 is pulled by the handle 23, so that the sealing door 22 can be opened at the front end of the connecting box 1 through the hinge shaft 21, which is convenient for taking and placing the tool.

[0026] like Figures 1 to 6As shown, a tool changing mechanism of a gantry machining center of the utility model, when working, the sealing door 22 is pulled open at the front end of the connection box 1 by the handle 23, the tool 2 is inserted into the installation cavity of the installation arm 12, the spring pushes the arc clamping plate 13 to move in the arc telescopic groove, the tool 2 is fixed and installed, the forward and reverse motor 4 is started to drive the screw rod 3 to rotate, the forward and reverse motor 4 can drive the moving seat 5 to move inside the connection box 1, the servo motor 9 is started to drive the turntable 10 to rotate, the turntable 10 drives the installation arm 12 to rotate 90 degrees, so that the installation arm 12 is aligned with the tool changing slot, and the electric motor is started. The movable telescopic rod 7 can push the lifting plate 8 to move upward, which is convenient for removing the tool on the gantry machining center and can quickly replace the spare tool after the tool is damaged. The forward and reverse motor 4 can drive the moving seat 5 to move inside the connecting box 1, which is convenient for hiding the tool inside the connecting box 1 for protection. The turntable 10 drives the mounting arm 12 to rotate, and the mounting arm 12 drives the tool 2 to move between the two sponge sleeves 18. The rotating motor 17 is started to drive the driving gear 16 to rotate, and the driving gear 16 drives the two rotating rods 15 to rotate, so that the sponge sleeve 18 can clean and maintain the tool 2.

[0027] The forward and reverse motor 4, servo motor 9 and rotating motor 17 of the tool changing mechanism of a gantry machining center of the utility model are purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual without the need for the technicians in this field to make creative labor.

[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A tool changing mechanism for a gantry machining center, comprising a connection box (1) and a tool (2), wherein the connection box (1) is provided with the tool (2); characterized in that: The connecting box (1) further comprises a moving component, a lifting component, a tool component, a fixing component and a cleaning component. The moving component is mounted on the inner bottom end of the connecting box (1), the fixing component is mounted on the tool component, the tool (2) is mounted on the tool component via the fixing component, the tool component is mounted on the moving component via the lifting component, a tool changing slot is provided on the left side wall of the connecting box (1), and the cleaning component is mounted on the inner wall of the right side wall of the connecting box (1).

2. A tool changing mechanism for a gantry machining center as claimed in claim 1, characterized in that: The moving assembly comprises a screw rod (3), a forward and reverse motor (4), a moving seat (5) and two supporting slide bars (6); the screw rod (3) is rotatably mounted on the inner bottom end of the connection box (1); the right side wall of the screw rod (3) passes through the side wall of the connection box (1) and is connected to the output end of the forward and reverse motor (4); the inner bottom end of the connection box (1) is symmetrically mounted with respect to the screw rod (3); the middle part of the moving seat (5) is screwed on the outer wall of the screw rod (3), and the front and rear ends of the moving seat (5) are slidably mounted on the outer walls of the supporting slide bars (6).

3. A tool changing mechanism for a gantry machining center as claimed in claim 2, characterized in that: The lifting assembly comprises two electric telescopic rods (7) and a lifting plate (8). The two electric telescopic rods (7) are respectively fixedly mounted on the front and rear ends of the top of the moving seat (5), and the top ends of the electric telescopic rods (7) are fixedly connected to the lifting plate (8).

4. A tool changing mechanism for a gantry machining center as claimed in claim 3, characterized in that: The tool assembly comprises a servo motor (9), a turntable (10), a support swivel (11) and four mounting arms (12); the servo motor (9) is fixedly mounted at the middle of the bottom end of the lifting plate (8); the output end of the servo motor (9) passes through the bottom end of the lifting plate (8) and is fixedly mounted with a turntable (10); four arc-shaped clamping plates (13) are evenly fixedly mounted on the outer wall of the turntable (10); a support swivel (11) with a convex cross-section is fixedly mounted at the bottom end of the turntable (10); and a support swivel groove matching the support swivel (11) is provided at the top end of the lifting plate (8).

5. The tool changing mechanism of a gantry machining center as claimed in claim 4, characterized in that: The fixing assembly comprises a plurality of groups of arc-shaped clamping plates (13), a mounting cavity is provided at the outer end of the mounting arm (12), arc-shaped telescopic grooves are symmetrically provided in the mounting cavity, the arc-shaped clamping plates (13) are slidably installed in the arc-shaped telescopic grooves, guide grooves are provided at the upper and lower ends of the arc-shaped telescopic grooves, sliding blocks matching the guide grooves are provided at the upper and lower ends of the arc-shaped clamping plates (13), a spring is provided in the arc-shaped telescopic groove, and one end of the spring is fixedly connected to the arc-shaped clamping plates (13).

6. The tool changing mechanism of a gantry machining center as claimed in claim 1, characterized in that: The cleaning assembly comprises a cleaning frame (14), two rotating rods (15), two driving gears (16), a rotating motor (17) and two sponge sleeves (18). The cleaning frame (14) is fixedly mounted on the inner wall of the right side wall of the connecting box (1). The two rotating rods (15) are rotatably mounted on the cleaning frame (14). The bottom ends of the rotating rods (15) pass through the cleaning frame (14) and are fixedly connected to the driving gears (16). The two driving gears (16) are meshed with each other. The rotating motor (17) is fixedly mounted on the inner wall of the connecting box (1). The output end of the rotating motor (17) is connected to the output end of the driving gear (16). The sponge sleeve (18) is mounted on the outer wall of the rotating rod (15).

7. The tool changing mechanism of a gantry machining center as claimed in claim 1, characterized in that: The utility model also comprises two fixed plates (19), two cleaning rods (20), a hinge shaft (21), a sealing door (22) and a handle (23), wherein the two fixed plates (19) are fixedly mounted at the front and rear ends of the lower part of the tool changing slot, a cleaning rod (20) is rotatably mounted between the bottom end of the tool changing slot and the fixed plates (19), a brush is arranged on the cleaning rod (20), the sealing door (22) is movably mounted at the front end of the connection box (1) through the hinge shaft (21), and a handle (23) is fixedly mounted at the front end of the sealing door (22).

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