A tool spindle mounting structure

Abstract

The utility model relates to the technical field of numerical control machining, and discloses a tool spindle installation structure, including a spindle box, a tool spindle rotatably arranged on the spindle box, the bottom of the tool spindle protruding from the bottom of the spindle box; a joint is arranged on the side wall of the spindle box, a nozzle is arranged at the bottom of the spindle box, a connecting channel is opened at the bottom of the spindle box, the joint is communicated with the nozzle through the connecting channel, and the free end of the joint is used to connect with a hose. By arranging a joint for connecting with the hose on the side wall of the spindle box, the hose does not need to go around the bottom of the spindle box, and a nozzle is arranged at the bottom of the spindle box, and a connecting channel for connecting the joint and the nozzle is arranged, so that the nozzle is located on the outside of the tool spindle, and the tool on the tool spindle can be chipped, lubricated or cooled.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machining, in particular to a tool spindle installation structure. Background Art

[0002] A CNC machining center generally includes a bed, a worktable that can reciprocate along the X-axis direction of the bed, a crossbeam arranged across the Y-axis direction of the bed, a slide saddle that can reciprocate along the Y-axis direction of the crossbeam, and a spindle box that can reciprocate along the Z-axis direction of the slide saddle. A rotatable tool spindle is arranged on the spindle box, and the tool spindle is used to clamp the tool, and the tool is used to cut the workpiece on the worktable. The tool spindle needs to rotate at high speed when processing the workpiece, and the tool will heat up. At the same time, the waste chips generated when cutting the workpiece will also be deposited on the tool. Therefore, the tool will be sprayed with air through accessories such as nozzles and hoses to blow away the waste chips or spray lubricants, coolants, etc. At present, a nozzle is generally arranged at the bottom of the spindle box, and the nozzle is connected to the hose, that is, the hose needs to go around the bottom of the spindle box and then connect to the nozzle at the bottom of the spindle box. When the hose is improperly fixed and becomes longer, it may touch the workpiece, affecting the movement of the tool spindle, and the hose is also easily damaged by scratches.

[0003] It can be seen that the existing technology still needs to be improved and enhanced. Utility Model Content

[0004] In view of the above-mentioned deficiencies of the prior art, the purpose of the utility model is to provide a tool spindle installation structure, by arranging a nozzle at the bottom of the spindle box, arranging a joint connected to the nozzle on the outside of the spindle box, and using the joint and hose connection to replace the existing nozzle and hose connection.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A tool spindle installation structure includes a spindle box and a tool spindle rotatably arranged on the spindle box, wherein the bottom of the tool spindle protrudes from the bottom of the spindle box; a joint is arranged on the side wall of the spindle box, a nozzle is arranged at the bottom of the spindle box, a connecting channel is opened at the bottom of the spindle box, the joint is connected with the nozzle through the connecting channel, and the free end of the joint is used to be connected to a hose.

[0007] The tool spindle installation structure, wherein the nozzle includes a nozzle connected to the connecting channel and a nozzle pipe fixedly connected to the nozzle, and the end of the nozzle pipe is inclined toward the direction of the tool spindle.

[0008] The tool spindle mounting structure, wherein the joint includes a first joint and a second joint, the connecting channel includes a first connecting channel and a second connecting channel, the nozzle includes a first nozzle and a second nozzle, the first joint is connected to the first nozzle through the first connecting channel, the second joint is connected to the second nozzle through the second connecting channel, and the first nozzle and the second nozzle spray different media.

[0009] The tool spindle installation structure is described, wherein two or more first nozzles are arranged side by side front and back, and the ends of the first nozzles are all inclined toward the direction of the tool spindle; two or more second nozzles are arranged side by side front and back, and the ends of the second nozzles are all inclined toward the direction of the tool spindle.

[0010] The tool spindle installation structure is characterized in that the first joint, the first nozzle and the second joint, the second nozzle are symmetrically arranged along the vertical direction of the tool spindle.

[0011] The tool spindle installation structure, wherein the spindle box includes side panels arranged on all sides, and a reinforcing plate used to connect the inner walls of multiple side panels, and the reinforcing plate is provided with an avoidance hole for avoiding the tool spindle.

[0012] In the tool spindle installation structure, multiple protrusions are provided on the outer sides of the two side plates located in the left and right directions, and the multiple protrusions are used to be fixedly connected to the protective cover.

[0013] The tool spindle mounting structure is characterized in that a mounting seat is provided on the back side of the side plate located at the rear, a nut seat is fixedly connected to the mounting seat, and the nut seat is used for threaded connection with a lead screw, and the lead screw passes through the upper and lower sides of the nut seat.

[0014] The tool spindle installation structure is characterized in that Z-axis guide rails are respectively arranged on the left and right sides of the nut seat, and the Z-axis guide rails are used for sliding connection with the Z-axis slider.

[0015] The tool spindle installation structure is characterized in that a vertically extending grating ruler is provided on the outer side wall of the side plate located on the left or right side, and the grating ruler is used to cooperate with the moving ruler on the saddle.

[0016] Beneficial effects:

[0017] The utility model provides a tool spindle installation structure, by arranging a joint for connecting with a hose on the side wall of a spindle box, so that the hose does not need to go around the bottom of the spindle box, and a nozzle is arranged at the bottom of the spindle box, which is used to connect the joint and the nozzle through a connecting channel, so that the nozzle is located on the outside of the tool spindle, and the tool on the tool spindle can be chip removed, lubricated or cooled. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The structure diagram of the tool spindle installation structure provided by the utility model is as follows Figure 1 .

[0019] Figure 2 Structural diagram of tool spindle installation structure Figure 2 .

[0020] Figure 3 A schematic diagram of the partial structure of the tool spindle mounting structure hiding one of the nozzles.

[0021] Figure 4 This is a schematic diagram of the tool spindle mounting structure and saddle structure.

[0022] Explanation of the main component symbols: 1-spindle box, 11-side plate, 12-reinforcement plate, 13-protrusion, 14-mounting seat, 15-nut seat, 16-Z-axis guide rail, 17-grating scale, 2-tool spindle, 3-connector, 4-connecting channel, 5-nozzle, 51-nozzle, 52-nozzle, 10-saddle, 101-drive motor, 102-Z-axis slider, 103-moving ruler. DETAILED DESCRIPTION

[0023] The utility model provides a tool spindle installation structure. In order to make the purpose, technical solution and effect of the utility model clearer and more specific, the utility model is further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the protection scope of the utility model.

[0024] See also Figure 1-Figure 3 The utility model provides a tool spindle installation structure, including a spindle box 1, a tool spindle 2 rotatably arranged on the spindle box 1, the bottom of the tool spindle 2 protrudes from the bottom of the spindle box 1, so that the lower part of the tool spindle 2 can clamp the tool; a joint 3 is arranged on the side wall of the spindle box 1, a nozzle 5 is arranged at the bottom of the spindle box 1, a connecting channel 4 is opened at the bottom of the spindle box 1, the joint 3 is communicated with the nozzle 5 through the connecting channel 4, and the free end of the joint 3 is used to be connected to a hose (not shown in the figure).

[0025] In actual use, the free end of the connector 3 is connected to one end of the hose, and the other end of the hose is connected to the gas storage mechanism or the lubricant storage mechanism or the coolant storage mechanism. The pressurization effect of the pump body can be used to provide gas or lubricant or coolant to the hose, so that the gas or lubricant or coolant passes through the hose and the connector 3 and enters the connecting channel 4 and then is sprayed out through the nozzle 5. When the gas is sprayed, the tool clamped on the tool spindle 2 can be sprayed with gas to blow away the waste chips; when the lubricant is sprayed, the surface of the tool can be lubricated to reduce the friction during workpiece processing; when the coolant is sprayed, the tool can be cooled. The above arrangement allows the hose to be located above the bottom of the tool spindle 2, that is, it does not need to go around the bottom of the spindle box 1 when in use, and the hose can be prevented from touching the workpiece.

[0026] See also Figure 3 In some embodiments, the nozzle 5 includes a nozzle 51 connected to the connecting channel 4, and a nozzle 52 fixed to the nozzle 51, and the end of the nozzle 52 is inclined toward the tool spindle 2. The above arrangement can change the position of the end of the nozzle 52 according to the position of the tool spindle 2 and the tool, so as to achieve better chip removal, lubrication and cooling effects.

[0027] See also Figure 3 In some embodiments, the connector 3 includes a first connector and a second connector, the connecting channel 4 includes a first connecting channel and a second connecting channel, the nozzle 5 includes a first nozzle and a second nozzle, the first connector is connected to the first nozzle through the first connecting channel, the second connector is connected to the second nozzle through the second connecting channel, and the first nozzle and the second nozzle spray different media. In practical applications, the first connector and the second connector can be connected to the air storage mechanism or the lubricating liquid storage mechanism or the cooling liquid storage mechanism through a hose, so that the first nozzle and the second nozzle spray different media, so as to meet the needs of chip removal, lubrication or cooling at the same time, and improve processing efficiency.

[0028] See also Figure 3 In some embodiments, two or more first nozzles are arranged side by side in a front-to-back manner, and the ends of the first nozzles are arranged obliquely toward the tool spindle 2; two or more second nozzles are arranged side by side in a front-to-back manner, and the ends of the second nozzles are arranged obliquely toward the tool spindle 2. The accompanying drawings show three first nozzles and second nozzles arranged side by side in a front-to-back manner, and the number of the first nozzles and the second nozzles can be limited to meet production requirements.

[0029] See also Figure 1 and Figure 3In some embodiments, the first connector, the first nozzle, the second connector, and the second nozzle are symmetrically arranged along the vertical direction of the tool spindle. The above components are arranged to be bilaterally symmetrical, so that the first nozzle and the second nozzle are located on one side respectively, which can better classify and avoid the clutter caused by multiple hoses, and is also conducive to the processing of the first connecting channel and the second connecting channel.

[0030] See also Figure 1 In some embodiments, the spindle box 1 includes side panels 11 arranged around the periphery, and a reinforcing plate 12 for connecting the inner walls of the plurality of side panels 11, and the reinforcing plate 12 is provided with an escape hole for evading the tool spindle 2. The outer frame of the spindle box 1 is fixed by welding the side panels 11 to the side panels 11, and then the structural rigidity between the plurality of side panels 11 is improved by providing the reinforcing plate 12.

[0031] See also Figure 1 and Figure 2 In some embodiments, multiple protrusions 13 are provided on the outer sides of the two side plates 11 in the left and right directions, and the multiple protrusions 13 are used to be fixedly connected with the protective cover. Specifically, the protective cover is fixed around the lower part of the spindle box 1 by driving screws into the protective cover and the corresponding protrusions 13, and the tool spindle 2 is protected by the protective cover.

[0032] See also Figure 2 and Figure 4 In some embodiments, a mounting seat 14 is provided on the back of the side plate 11 at the rear, and a nut seat 15 is fixedly connected to the mounting seat 14. The nut seat 15 is used to be threadedly connected with a lead screw, and the lead screw passes through the upper and lower sides of the nut seat 15. In practical applications, the output end of the drive motor 101 is vertically downwardly arranged and connected to the upper end of the lead screw. The drive motor 101 is arranged on the saddle 10. Therefore, when the drive motor 101 rotates, it drives the lead screw to rotate, and under the action of the nut seat 15, the spindle box 1, the tool spindle 2, and the tool are raised or lowered.

[0033] See also Figure 2 and Figure 4 In some embodiments, Z-axis guide rails 16 are respectively provided on the left and right sides of the nut seat 15, and the Z-axis guide rails 16 are used to be slidably connected with the Z-axis slider 102. In practical applications, the Z-axis slider 102 is fixed to the side wall of the saddle 10 facing the spindle box 1, and the Z-axis guide rails 16 and the Z-axis slider 102 are used to guide the spindle box 1 to smoothly rise or fall.

[0034] See also Figure 1 and Figure 4In some embodiments, a vertically extending grating ruler 17 is provided on the outer side wall of the side plate 11 located on the left or right side, and the grating ruler 17 is used to cooperate with the moving ruler 103 on the slide saddle 10. In actual use, when the upper part of the grating ruler 17 contacts the moving ruler 103, it means that the spindle box 1 is located at the lower end, and when the lower part of the grating ruler 17 contacts the moving ruler 103, it means that the spindle box 1 is located at the upper end. The above setting can limit the movement stroke of the spindle box 1 along the Z-axis direction.

[0035] In summary, the utility model provides a connector 3 for connecting with a hose on the side wall of the spindle box 1, so that the hose does not need to go around the bottom of the spindle box 1, and provides a nozzle 5 at the bottom of the spindle box 1, and a connecting channel 4 for connecting the connector 3 and the nozzle 5, so that the nozzle 5 is located on the outside of the tool spindle 2, and the tool on the tool spindle 2 can be chip removed, lubricated or cooled. The nozzle 5 is limited to be composed of a nozzle 51 and a nozzle 52, and the position of the end of the nozzle 5 can be changed to adapt to the position of the tool. The connector 3, the connecting channel 4, and the nozzle 5 are set to multiple to meet the needs of chip removal, lubrication or cooling at the same time. The first nozzle and the second nozzle are set to multiple to meet production needs and improve processing efficiency. A plurality of protrusions 13 are set to be fixed with the protective cover to protect the tool spindle 2. A nut seat 15 is set to cooperate with the drive motor 101 and the lead screw to make the spindle box 1 rise or fall. A Z-axis guide rail 16 and a Z-axis slider 102 are set to make the spindle box 1 rise or fall smoothly. The grating ruler 17 is provided to cooperate with the movable ruler 103 to limit the moving stroke of the spindle box 1.

[0036] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0037] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0038] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0039] It is understandable that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of the utility model, and all these changes or substitutions should fall within the protection scope of the utility model.

Claims

1. A tool spindle installation structure, comprising a spindle box, a tool spindle rotatably arranged on the spindle box, and the bottom of the tool spindle protrudes from the bottom of the spindle box; characterized in that: A joint is arranged on the side wall of the spindle box, a nozzle is arranged at the bottom of the spindle box, a connecting channel is opened at the bottom of the spindle box, the joint is communicated with the nozzle through the connecting channel, and the free end of the joint is used to be connected with a hose.

2. The tool spindle installation structure according to claim 1, characterized in that: The nozzle comprises a nozzle connected to the connecting channel and a nozzle pipe fixedly connected to the nozzle, and the end of the nozzle pipe is inclined toward the direction of the tool spindle.

3. The tool spindle installation structure according to claim 1, characterized in that: The joint includes a first joint and a second joint, the connecting channel includes a first connecting channel and a second connecting channel, the nozzle includes a first nozzle and a second nozzle, the first joint is connected to the first nozzle through the first connecting channel, the second joint is connected to the second nozzle through the second connecting channel, and the first nozzle and the second nozzle spray different media.

4. The tool spindle installation structure according to claim 3, characterized in that: Two or more first nozzles are arranged side by side front and back, and the ends of the first nozzles are all inclined toward the direction of the tool spindle; two or more second nozzles are arranged side by side front and back, and the ends of the second nozzles are all inclined toward the direction of the tool spindle.

5. The tool spindle installation structure according to claim 4, characterized in that: The first joint and the first nozzle and the second joint and the second nozzle are symmetrically arranged along the vertical direction of the tool spindle.

6. The tool spindle installation structure according to claim 1, characterized in that: The spindle box includes side plates arranged on all sides, and a reinforcing plate used for connecting the inner walls of a plurality of side plates. The reinforcing plate is provided with an avoidance hole for avoiding the tool spindle.

7. The tool spindle installation structure according to claim 6, characterized in that: A plurality of protrusions are arranged on the outer sides of the two side plates located in the left and right directions, and the plurality of protrusions are used for fixed connection with the protective cover.

8. The tool spindle installation structure according to claim 6, characterized in that: A mounting seat is arranged on the back side of the side plate at the rear, a nut seat is fixedly connected to the mounting seat, and the nut seat is used for threaded connection with a lead screw, and the lead screw passes through the upper and lower sides of the nut seat.

9. The tool spindle installation structure according to claim 8, characterized in that: The left and right sides of the nut seat are respectively provided with Z-axis guide rails, and the Z-axis guide rails are used for sliding connection with the Z-axis slider.

10. The tool spindle installation structure according to claim 8, characterized in that: A vertically extending grating ruler is arranged on the outer side wall of the side plate located on the left or right side, and the grating ruler is used to cooperate with the moving ruler on the sliding saddle.

Images