Cooling mechanism of numerical control engraving and milling machine

Abstract

The utility model relates to the technical field of cooling mechanisms, and discloses a cooling mechanism of a numerical control engraving and milling machine, which comprises an engraving and milling machine body, a cooling mechanism and a cooling mechanism, a protective shell is arranged outside the motor; an adjusting assembly is arranged on the motor and the protective shell; the adjusting assembly comprises a spiral pipe, the spiral pipe is installed outside the motor in a winding mode, and one end of the spiral pipe is connected with the water pump through a pipeline. When the cooling device is used, through the arrangement of the spiral pipe and the spray head, the motor is cooled through the same cooling water, then a main shaft and a tool at the bottom of the motor are cooled through water flow sprayed out of the spray head, the utilization rate of the cooling water is increased, meanwhile, the height and angle of the spray head can be adjusted through the arranged adjusting assembly, and the cooling efficiency is improved. And a spray head is limited through a first threaded rod and a second threaded rod, so that the spray head can cool the tools of different specifications, and the cost for replacing the tools in the production process is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cooling mechanism technical field, concretely is a kind of numerical control engraving and milling machine cooling mechanism. BACKGROUND

[0002] Engraving and milling machine is a kind of numerical control machine tool.It is generally considered that engraving and milling machine is numerical control milling machine using small cutter, high power and high-speed spindle motor.The advantage of engraving machine is in engraving, and if the hardness of processing material is relatively big, it will also be unsuitable for the task.Engraving and milling machine can be said to fill the gap between the two, when engraving and milling machine works, to prevent engraving and milling machine overheating from affecting use, cooling device needs to be used to cool engraving and milling machine.

[0003] The cooling of the main shaft motor of the existing engraving and milling machine is mostly carried out in a circulating oil cooling mode, and the shaft and workpiece processing part are mostly cooled in a water cooling mode.Two different cooling systems make the cooling structure of the engraving and milling machine more complex, and cause waste of cooling resources.In the related art, the same cooling water is used to cool the main shaft motor first, and then the machining shaft and workpiece processing part are water-cooled through the cooling spray pipe.However, since different specifications of cutters are used according to different processing technologies, the position of the cooling spray pipe is fixed, and the direction of the water flow is also fixed, so it is impossible to meet the cooling requirements of cutters of different specifications, which affects the service life of the cutter. SUMMARY

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a numerical control engraving and milling machine cooling mechanism, which has the advantages of improving the utilization rate of cooling water and facilitating the adjustment of the position of the spray head, and solves the problem that the existing cooling mechanism cannot meet the cooling requirements of cutters of different specifications.

[0006] (II) Technical solutions

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a numerical control engraving and milling machine cooling mechanism, include: the engraving and milling machine body, its inside electric connection has motor and water pump, the outside of motor is provided with the protective housing, motor and the protective housing on be provided with adjusting assembly, adjusting assembly includes: spiral tube, winding installation in the outside of motor, and spiral tube one end is connected with water pump through the pipeline, the other end of spiral tube passes through the protective housing and is fixedly connected with box body, the side surface fixedly connected with sliding block of box body, the outside of sliding block is connected with the frame body of fixed connection with protective housing and slides, one side of sliding block is connected with one screw rod for fixing the height of box body, one side of box body is rotatably connected with the spray head, and the spray head is connected with box body through the pipeline, one side of spray head is connected with second screw rod for fixing the angle of spray head.

[0008] In some embodiments, the outside of the protective housing is provided with a cooling assembly; the cooling assembly comprises: a connecting plate fixedly connected to one side of the protective housing; a fixed rod is fixedly connected to the bottom of the connecting plate, and the spiral tube is wound around the outside of the fixed rod from the inside of the protective housing.

[0009] In some embodiments, the box body top and one side are fixedly connected with a section of flexible hose, and the spiral tube and the spray head are connected with the box body through the flexible hose.

[0010] In some embodiments, a through slot is formed in one side of the frame body, and the first threaded rod penetrates the through slot in one side of the frame body.

[0011] In some embodiments, the sliding block, the frame body and the first threaded rod form a group, and a plurality of groups are arranged on the outside of the box body.

[0012] In some embodiments, a mounting seat is fixedly connected to one side of the box body, the spray head is rotatably connected to the mounting seat on one side of the box body through a rotating shaft, and the second threaded rod is arranged on one side of a mounting seat.

[0013] In some embodiments, one end of the first threaded rod and the second threaded rod is fixedly connected with an adjusting head sleeved with an anti-skid sleeve.

[0014] In some embodiments, a main shaft and a cutter are mounted on the output end of the bottom of the motor through a bearing, and the water outlet at the bottom of the spray head faces the main shaft and the cutter at the bottom of the motor.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a numerical control engraving and milling machine cooling mechanism, which has the following

[0017] Advantages:

[0018] The utility model discloses when using, through the setting of spiral tube and shower nozzle, make the device utilize the same cooling water to cool motor first, then spray out water flow to the spindle and cutter of motor bottom cooling, improve the utilization of cooling water, simultaneously, through the setting of adjusting assembly, can adjust the height and angle of shower nozzle, and through no. One threaded rod and no. Two threaded rods are limited to the position of shower nozzle, make the cooling of shower nozzle can be towards different specification cutter, increase the service life of various cutters, reduce the cost of replacing cutter in the production process. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is structural schematic drawing of the utility model;

[0020] Figure 2 It is structural schematic drawing of protective shell of the utility model;

[0021] Figure 3 It is structural schematic drawing of adjusting assembly of the utility model;

[0022] Figure 4 It is structural schematic drawing of box body of the utility model.

[0023] In the drawing:

[0024] 11, engraving and milling machine body;12, motor;13, water pump;14, protective shell;

[0025] 2, adjusting assembly;21, spiral tube;22, box body;23, sliding block;24, frame body;25, no. One threaded rod;26, shower nozzle;27, no. Two threaded rods;

[0026] 3, cooling assembly;31, connecting plate;32, fixed rod. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0028] It should be noted that all directional indications in the embodiments of the present application are only used to explain the relative position relationship, movement condition and the like between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0029] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixing", and the like should be understood in a broad sense, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise clearly limited. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0030] In addition, the description such as "first", "second" and the like in this application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the fact that the technical solutions can be realized by those skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by this application.

[0031] In use, the motor inside the engraving and milling machine is started through the control panel, the main shaft and the cutter are driven to rotate through the motor, so that the workpiece is cut, and then the water pump is started to extract the cooling liquid in the water tank and spray it out, so that the cutter is cooled.

[0032] In the related art, the same cooling water is used to cool the main shaft motor first through the spiral cooling pipe and the cooling spray pipe, and then the machining shaft and the workpiece machining part are cooled through the cooling spray pipe. However, the position of the cooling spray pipe is fixed, and the direction of the water flow sprayed is also fixed, which cannot meet the cooling requirements of various different specifications of cutters, affecting the service life of the cutter.

[0033] In order to solve the problems in the related art to some extent, the embodiments of the present application provide a numerical control engraving and milling machine cooling mechanism. In use, the same cooling water is used to cool the motor 12 first through the spiral pipe 21 and the spray head 26, and then the water flow is sprayed through the spray head 26 to cool the main shaft and the cutter at the bottom of the motor, thereby improving the utilization rate of the cooling water. At the same time, through the setting of the adjusting assembly 2, the height and angle of the spray head 26 can be adjusted, and the spray head 26 is limited by the first threaded rod 25 and the second threaded rod 27, so that the spray head 26 can be cooled towards cutters of different specifications.

[0034] The present application will be described below in conjunction with the drawings and specific embodiments:

[0035] In combination Figures 1-4The embodiment of the application provides a kind of numerical control engraving and milling machine cooling mechanism, comprising: engraving and milling machine body 11, inside electrically connected with motor 12 and water pump 13;Motor 12 is provided with protective housing 14 outside;Motor 12 and protective housing 14 are provided with adjusting assembly 2;Adjusting assembly 2 includes: spiral pipe 21, is installed in the outside of motor 12, and one end of spiral pipe 21 is connected with water pump 13 by pipeline;The other end of spiral pipe 21 penetrates protective housing 14 and is fixedly connected with box body 22;Box body 22 is fixedly connected with sliding block 23 on side face;Sliding block 23 is slidably connected with frame body 24 fixedly connected with protective housing 14 outside;Sliding block 23 is screw-connected with one threaded rod 25 on one side, for the height of box body 22 is fixed;Box body 22 is rotatably connected with spray head 26 on one side, and spray head 26 is connected with box body 22 by pipeline;Spray head 26 is screw-connected with second threaded rod 27 on one side, for the angle of spray head 26 is fixed.

[0036] When using, start motor 12 inside engraving and milling machine body 11 by control panel, drive the rotation of main shaft and cutter installed at the bottom of motor 12, then start motor drive screw mechanism, adjust the position of motor 12 and protective housing 14, cut the surface of workpiece by high-speed rotation of cutter, in the process of machining, motor 12 and cutter installed at the bottom of motor 12 will generate more heat due to long time use, start water pump 13 by control panel, cooling liquid in water tank inside engraving and milling machine body 11 is pumped into the inside of spiral pipe 21, cooling liquid will contact motor 12 annularly from bottom to top along the inside of spiral pipe 21, and cool motor 12 by heat exchange and heat conduction principle, then cooling water flows along spiral pipe 21, and sprays from spray head 26 to cutter and main shaft, to realize physical cooling of cutter, the device uses the same cooling water to cool two places at the same time, improves the utilization rate of cooling water, and when adjusting the position of spray head 26 after replacing cutter, loosen one threaded rod 25, so that one side of one threaded rod 25 no longer abuts against the surface of frame body 24, then slide box body 22 up and down to the required height, then tighten one threaded rod 25, so that one side of one threaded rod 25 tightly abuts against the surface of frame body 24, to realize the adjustment of height of spray head 26, when adjusting the angle of spray head 26, loosen second threaded rod 27, so that one side of second threaded rod 27 no longer abuts against the mounting seat on one side of box body 22, then rotate spray head 26 by rotating shaft, after rotating spray head 26 to the position of cutter to be cooled, tighten second threaded rod 27, to realize the adjustment of angle of spray head 26, convenient to operate.

[0037] In some embodiments, the outside of the protective shell 14 is provided with a cooling assembly 3; the cooling assembly 3 comprises a connecting plate 31 fixedly connected to one side of the protective shell 14; the bottom of the connecting plate 31 is fixedly connected with a fixed rod 32, and the spiral pipe 21 is wound and installed outside the fixed rod 32 from the part inside the protective shell 14; since the fixed rod 32 and the connecting plate 31 are both arranged outside the protective shell 14, and one end of the spiral pipe 21 is wound outside the fixed rod 32, the distance and time of the cooling liquid flowing into the box body 22 are increased, and the cooling water after cooling the motor 12 can be lowered in temperature in the flow, thereby enhancing the cooling effect on the cutter.

[0038] In some embodiments, the top and one side of the box body 22 are fixedly connected with a section of flexible hose, and the spiral pipe 21 and the spray head 26 are both connected with the box body 22 through the flexible hose, so that the pipeline can be deformed correspondingly when the box body 22 and the spray head 26 are adjusted, without affecting the normal use of the spray head 26.

[0039] In some embodiments, a through slot is opened on one side of the frame body 24, and the first threaded rod 25 penetrates through the through slot on one side of the frame body 24, so that the adjustment head on one side of the first threaded rod 25 can be tightly attached to one side of the frame body 24 when the first threaded rod 25 is tightened, thereby fixing the position of the box body 22.

[0040] In some embodiments, the sliding block 23, the frame body 24 and the first threaded rod 25 form a group, and the outside of the box body 22 is provided with multiple groups, thereby enhancing the stability of the fixation of the box body 22.

[0041] In some embodiments, one side of the box body 22 is fixedly connected with a mounting seat, the spray head 26 is rotationally connected with the mounting seat on one side of the box body 22 through a rotating shaft, and the second threaded rod 27 is arranged on one side of the mounting seat, so that the adjustment head of the second threaded rod 27 is tightly attached to one side of the mounting seat when the second threaded rod 27 is tightened, thereby fixing the angle of the spray head 26.

[0042] In some embodiments, one end of the first threaded rod 25 and one end of the second threaded rod 27 are both fixedly connected with an adjustment head sleeved with an anti-skid sleeve, so as to facilitate the tightening of the first threaded rod 25 and the second threaded rod 27.

[0043] In some embodiments, the output end of the motor 12 at the bottom is provided with a main shaft and a cutter through a bearing, and the water outlet at the bottom of the spray head 26 faces the main shaft and the cutter of the motor 12 at the bottom, so as to facilitate the cooling and temperature reduction of the main shaft and the cutter.

[0044] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate different embodiments or examples described in the specification.

[0045] In addition, the technical solutions among various embodiments can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the present application.

[0046] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A cooling mechanism for a numerically controlled engraving and milling machine, characterized in that, Include: The engraving and milling machine body (11) is electrically connected with a motor (12) and a water pump (13) inside; the outside of the motor (12) is provided with a protective shell (14); the motor (12) and the protective shell (14) are provided with an adjusting assembly (2); the adjusting assembly (2) comprises: The spiral pipe (21) is wound and installed outside the motor (12), and one end of the spiral pipe (21) is connected with the water pump (13) through a pipeline; the other end of the spiral pipe (21) penetrates the protective shell (14) and is fixedly connected with a box body (22); the side of the box body (22) is fixedly connected with a sliding block (23); the outside of the sliding block (23) is slidingly connected with a frame body (24) fixedly connected with the protective shell (14); one side of the sliding block (23) is threadedly connected with a first threaded rod (25) for fixing the height of the box body (22); one side of the spray head (26) is rotatably connected with the box body (22), and the spray head (26) is connected with the box body (22) through a pipeline; one side of the spray head (26) is threadedly connected with a second threaded rod (27) for fixing the angle of the spray head (26).

2. A cooling mechanism for a CNC engraving and milling machine as claimed in claim 1, wherein, The outside of the protective shell (14) is provided with a cooling assembly (3); the cooling assembly (3) comprises: The connecting plate (31) is fixedly connected to one side of the protective shell (14); the bottom of the connecting plate (31) is fixedly connected with a fixed rod (32), and the spiral pipe (21) is wound and installed outside the fixed rod (32) from the inside of the protective shell (14).

3. The cooling mechanism of a numerical control engraving and milling machine according to claim 1, characterized in that: The top and one side of the box body (22) are fixedly connected with a section of flexible hose, and the spiral pipe (21) and the spray head (26) are connected with the box body (22) through the flexible hose.

4. The cooling mechanism of a numerical control engraving and milling machine according to claim 1, characterized in that: A through slot is formed in one side of the frame body (24), and the first threaded rod (25) penetrates the through slot in one side of the frame body (24).

5. The cooling mechanism of a numerical control engraving and milling machine according to claim 1, characterized in that: The sliding block (23), the frame body (24) and the first threaded rod (25) form a group, and the outside of the box body (22) is provided with multiple groups.

6. The cooling mechanism of a numerical control engraving and milling machine according to claim 1, characterized in that: One side of the box body (22) is fixedly connected with a mounting seat, the spray head (26) is rotatably connected with the mounting seat on one side of the box body (22) through a rotating shaft, and the second threaded rod (27) is arranged on one side of a mounting seat.

7. The cooling mechanism of a numerical control engraving and milling machine according to claim 1, characterized in that: One end of the first threaded rod (25) and the second threaded rod (27) is fixedly connected with an adjusting head sleeved with an anti-skid sleeve.

8. The cooling mechanism of a numerical control engraving and milling machine according to claim 1, characterized in that: The output end of the bottom of the motor (12) is provided with a main shaft and a cutter through a bearing, and the water outlet at the bottom of the spray head (26) faces the main shaft and the cutter at the bottom of the motor (12).

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