Laser head with water cooling and air blowing functions

Abstract

The utility model relates to the technical field of laser heads, in particular to a laser head with water cooling and air blowing functions, which comprises a ceramic body, the ceramic body comprises a base and an upper cover, a nozzle is arranged at the bottom of the base, a first channel is arranged in the middle of the base, the top of the upper cover is used for being connected with a lens cone, and a first through hole is arranged on the upper cover. A second channel is formed between the base and the upper cover, a water inlet and a water outlet are formed in the outer side of the upper cover, and the water inlet and the water outlet are located in the same side of the upper cover. The outer side of the base is sleeved with a baffle, a third channel is arranged between the baffle and the outer side of the base, an air inlet is formed in the outer side of the upper cover, and the air inlet and the water inlet are located in the two sides of the upper cover respectively. Therefore, two kinds of cooling, namely water cooling and air cooling, are achieved, water cooling is mainly used for cooling the upper middle portion of the ceramic body from inside to outside, air cooling is mainly used for cooling the lower middle portion of the ceramic body from outside to inside, and therefore the cooling efficiency can be improved at the same time through the two kinds of cooling.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser head technical field, especially a laser head with water cooling and blowing. BACKGROUND

[0002] The laser head is a device for emitting and receiving laser, and its structure includes a lens barrel for placing lenses and a nozzle below the lens barrel, and a ceramic body is arranged between the lens barrel and the nozzle. At the same time, the laser head will generate a large amount of heat during work, which will affect the work of the laser head if it cannot be cooled in time, so cooling needs to be done well. This includes cooling the nozzle, and the cooling of the nozzle is not directly cooling the nozzle, but cooling the ceramic body connected to it to cool the nozzle. Secondly, the existing cooling method of the laser head generally adopts air cooling or water cooling, that is, only a single cooling method, and by opening an internal channel, liquid or gas is inputted for cooling, but the ceramic body also has a certain thickness and length, so the cooling time is relatively long and the efficiency is not high by using a single cooling method. SUMMARY

[0003] The utility model discloses a laser head with water cooling and blowing, through the setting of channel two and channel three, and cooperate with the water inlet and outlet and air inlet, so as to realize two kinds of cooling, that is, water cooling and air cooling, and the water cooling is from inside to outside and mainly for the middle part of the ceramic body, and the air cooling is from outside to inside and mainly for the lower middle part of the ceramic body, so the two kinds of cooling can improve the cooling efficiency, so as to solve the problem of long time and low efficiency of single cooling method.

[0004] The utility model discloses a laser head with water cooling and blowing, through the setting of channel two and channel three, and cooperate with the water inlet and outlet and air inlet, so as to realize two kinds of cooling, that is, water cooling and air cooling, and the water cooling is from inside to outside and mainly for the middle part of the ceramic body, and the air cooling is from outside to inside and mainly for the lower middle part of the ceramic body, so the two kinds of cooling can improve the cooling efficiency, so as to solve the problem of long time and low efficiency of single cooling method.

[0005] A laser head with water cooling and blowing, comprising a ceramic body, and the ceramic body comprises a base and an upper cover arranged on the base, wherein the base is provided with a nozzle at the bottom, a channel one for laser passing through is arranged in the middle of the base, and the upper cover is provided with a through hole one at the top for connecting with the lens barrel, and the upper cover is provided with a through hole one corresponding to the channel one;

[0006] The channel two for water flow is arranged between the base and the upper cover, the water inlet and the water outlet are arranged on the same side of the upper cover and communicated with the channel two, and the air inlet is arranged on the outer side of the upper cover and communicated with the channel three.

[0007] The base is provided with a baffle outside, the channel three for air flow is arranged between the baffle and the outer side of the base, the air inlet and the water inlet are arranged on the two sides of the upper cover respectively.

[0008] Preferably, the baffle comprises a perforated horizontal plate and a ring plate, the horizontal plate is located below and connected with the upper cover, the ring plate is connected with the horizontal plate at the top, and the ring plate is sleeved outside the base, and a passage three is arranged between the ring plate and the outside of the base;

[0009] A shunt plate is arranged between the upper cover and the horizontal plate, and the shunt plate is provided with a through hole two for air circulation, and the inner wall of the through hole two is provided with a protrusion one, and the protrusion one is provided with at least one shunt groove;

[0010] Or / and, a limiting ring is arranged in the opening at the bottom of the ring plate, the inner wall of the limiting ring is inclined, and the caliber of the opening at the top of the limiting ring is larger than that of the opening at the bottom of the limiting ring.

[0011] Preferably, the base is provided with a water channel one at the top, and the upper cover is provided with a water channel two at the bottom, and the water channel one and the water channel two combine to form a passage two.

[0012] Preferably, the passage two comprises a water channel one and a water channel two, and the upper cover is provided with a water channel two at the bottom, and the water channel two is communicated with the through hole one;

[0013] The base is provided with a water channel one at the top, and the base is provided with a protruding plate one outside the water channel one, and the base is provided with a protruding plate two between the water channel one and the passage two, and the protruding plate two is located in the through hole one to separate the water channel two and the through hole one;

[0014] The protruding plate one is shorter than the protruding plate two, the bottom of the upper cover is in contact with the protruding plate one, and the upper cover is sleeved outside the protruding plate two.

[0015] Preferably, the bottom of the upper cover is provided with a mounting part, and at least one sliding block one is arranged outside the mounting part, and an L-shaped sliding groove one is arranged in the inner wall of the protruding plate one, the mounting part is located in the water channel one, and the sliding block one moves in the L-shaped sliding groove one and is matched with the L-shaped sliding groove one to realize the connection between the upper cover and the base;

[0016] Or / and, the inner wall of the through hole one is provided with a protrusion two, and the protruding plate two is provided with a connecting groove one corresponding to the protrusion two.

[0017] Preferably, the nozzle is provided with a connecting part at the top, and the connecting part is located in the passage one and is detachably connected with the inner wall of the passage one;

[0018] The outer side of the connecting part is provided with at least one sliding block two, and an L-shaped sliding groove two is arranged in the inner wall of the passage one, and the sliding block two moves in the L-shaped sliding groove two and is matched with the L-shaped sliding groove two to realize the connection between the nozzle and the base.

[0019] Preferably, the inner wall of the passage one is provided with a step, and the connecting part is provided with a connecting groove two corresponding to the step.

[0020] Or / and, the nozzle comprises a spray head and a connecting part, and a slope part is arranged between the spray head and the connecting part, and the outer diameter of the top of the slope part is smaller than the outer diameter of the bottom of the slope part, and the outer diameter of the top of the slope part is smaller than or equal to the bottom diameter of the through hole.

[0021] Compared with the prior art, the utility model has the advantages of the following prominent and beneficial technical effects:

[0022] The utility model discloses through the setting of channel two and channel three, and cooperate with the water inlet and outlet and the air inlet, thereby realize two kinds of cooling, water cooling and air cooling, and water cooling is from inside to outside and mainly is to the ceramic body upper middle part cooling, and air cooling is from outside to inside and mainly is to the ceramic body lower middle part cooling, so two kinds of cooling can improve cooling efficiency simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structure schematic diagram of the utility model.

[0024] Figure 2 It is the structure schematic diagram of the utility model.

[0025] Figure 3 It is the structure schematic diagram of the utility model.

[0026] Figure 4 It is the structure schematic diagram of the utility model.

[0027] Figure 5 It is the structure schematic diagram of the utility model.

[0028] Figure 6 It is the structure schematic diagram of the utility model.

[0029] Figure 7 It is the structure schematic diagram of the utility model.

[0030] Reference Signs: 1-ceramic body;11-base;111-channel one;112-convex plate one;113-convex plate two;114-L-shaped sliding groove one;115-connecting groove one;116-step;117-L-shaped sliding groove two;12-upper cover;

[0031] 121-through hole one;122-water inlet;123-water outlet;124-air inlet;125-mounting part;

[0032] 126-sliding block one;127-convex two;13-channel two;131-water flow groove one;132-water flow groove two;

[0033] 2-nozzle;21-connecting part;22-sliding block two;23-connecting groove two;24-spray head;25-slope part;

[0034] 3 - baffle; 31 - cross plate; 32 - annular plate; 33 - limiting ring; 331 - inclined surface; 4 - channel three;

[0035] 5 - shunt plate; 51 - through hole two; 52 - protrusion one; 53 - shunt groove; 6 - connecting piece; 7 - insulating gasket; 8 - joint. DETAILED DESCRIPTION

[0036] The specific embodiments of the utility model will be further described in detail below with reference to the drawings.

[0037] As Figures 1-7 shown, a laser head with water cooling and air blowing, comprising a ceramic body 1, and the ceramic body 1 includes a base 11 and an upper cover 12 arranged on the base 11, wherein the base 11 bottom is provided with a nozzle 2, and the base 11 middle part is provided with a channel one 111 for laser passing, and the upper cover 12 top is used for connecting with a lens barrel, and the upper cover 12 is provided with a through hole one 121 corresponding to the channel one 111.

[0038] At the same time, the channel two 13 for water flow is arranged between the base 11 and the upper cover 12, and the water inlet 122 and the water outlet 123 in communication with the channel two 13 are arranged on the outside of the upper cover 12, and the water inlet 122 and the water outlet 123 are located on the same side of the upper cover 12.

[0039] And the baffle 3 is arranged on the outside of the base 11, and the channel three 4 for air flow is arranged between the baffle 3 and the outside of the base 11, and the air inlet 124 in communication with the channel three 4 is arranged on the outside of the upper cover 12, and the air inlet 124 and the water inlet 122 are located on both sides of the upper cover 12 respectively.

[0040] Therefore, in the actual use process, through the arrangement of the channel two 13 and the channel three 4, and cooperating with the water inlet and outlet 122 and the air inlet 124, two kinds of cooling, namely water cooling and air cooling, are realized, and the channel two 13 is between the base 11 and the upper cover 12, and the channel three 4 is between the base 11 and the baffle 3, and the baffle 3 is located below the upper cover 12, so that the water cooling is from inside to outside and mainly for the upper middle part of the ceramic body 1 cooling, and the air cooling is from outside to inside and mainly for the lower middle part of the ceramic body 1 cooling, so that the two kinds of cooling can improve the cooling efficiency at the same time.

[0041] The channel two 13 and the channel three 4 are annular and centered on the central axis of the ceramic body 1, and the water inlet 122, the water outlet 123 and the air inlet 124 are connected with the water pipe through the joint 8. Moreover, the air inlet 124 and the water inlet 122 are located on both sides of the upper cover 12 respectively, so as to avoid mutual interference. At the same time, sealing rings are arranged between each component to realize sealing and avoid leakage.

[0042] As Figure 2 andFigure 3 As shown, the baffle 3 comprises a perforated horizontal plate 31 and an annular plate 32, the horizontal plate 31 is located below and connected with the upper cover 12, and the annular plate 32 is connected with the horizontal plate 31 at the top, and the annular plate 32 is sleeved outside the base 11, and a passage three 4 is arranged between the annular plate 32 and the outside of the base 11.

[0043] Therefore, in actual use, the horizontal plate 31 is used for connection, and the annular plate 32 is used for limiting the flow direction of air.

[0044] At the same time, the shunt plate 5 is arranged between the upper cover 12 and the horizontal plate 31, and the shunt plate 5 is provided with a through hole two 51 for air flow, and the inner wall of the through hole two 51 is provided with a protrusion one 52, and the protrusion one 52 is provided with at least one shunt groove 53.

[0045] Therefore, in actual use, the shunt groove 53 can realize shunting, increase the space and allow more air flow.

[0046] Moreover, the annular plate 32 is provided with a limiting ring 33 in the bottom opening, the inner wall of the limiting ring 33 is a slope 331, and the caliber of the top opening of the limiting ring 33 is larger than that of the bottom opening.

[0047] Therefore, in actual use, the limiting ring 33 and the slope 331 are arranged to guide and limit the air moving towards the ceramic body 1. Moreover, the bottom opening of the annular plate 32 is grooved to place the limiting ring 33.

[0048] Secondly, the upper cover 12 is connected with the lens barrel through the connecting piece 6, and the insulating gasket 7 is arranged between the upper cover 12 and the connecting piece 6, and the horizontal plate 31, the shunt plate 5, the upper cover 12 and the connecting piece 6 are connected by fasteners, i.e. screws, and the connecting piece 6 is connected with the lens barrel by fasteners, i.e. screws.

[0049] As shown in Figure 1 and Figure 2 As shown, the base 11 is provided with a water flow groove one 131 at the top, and the upper cover 12 is provided with a water flow groove two 132 at the bottom, and the water flow groove one 131 and the water flow groove two 132 are combined to form a passage two 13.

[0050] As shown in Figures 5-7 The structure between the upper cover 12 and the base 11 is as follows: first, the passage two 13 comprises the water flow groove one 131 and the water flow groove two 132, the upper cover 12 is provided with the water flow groove two 132 at the bottom, and the water flow groove two 132 is in communication with the through hole one 121.

[0051] Furthermore, a water channel 131 is provided on the top of the base 11, and a protruding plate 112 is provided on the outside of the water channel 131. The protruding plate 113 is provided between the water channel 131 and the channel 13, and the protruding plate 113 is located in the through hole 121, thereby separating the water channel 132 and the through hole 121.

[0052] Secondly, the first convex plate 112 is shorter than the second convex plate 113, and the bottom of the upper cover 12 contacts the first convex plate 112 and is detachably connected to the first convex plate 112. The upper cover 12 is fitted on the outside of the second convex plate 113.

[0053] Therefore, in actual use, the second convex plate 113 is located inside the first through hole 121, thereby separating the second water channel 132 and the first through hole 121. The bottom of the upper cover 12 contacts the first convex plate 112, and the upper cover 12 is sleeved on the outside of the second convex plate 113, thereby connecting the upper cover 12 and the base 11.

[0054] The bottom of the upper cover 12 and the protruding plate 112 are detachable. The specific structure is as follows: First, the bottom of the upper cover 12 is provided with a mounting part 125, and at least one slider 126 is provided on the outside of the mounting part 125. The inner wall of the protruding plate 112 is provided with an L-shaped groove 114. The mounting part 125 is located in the water channel 131, and the slider 126 moves in the L-shaped groove 114.

[0055] Therefore, in actual use, the connection between the upper cover 12 and the base 11 is achieved by adapting the slider 126 to the L-shaped slide groove 114. Moreover, in order to secure the connection, a protrusion and a groove can be provided between the slider 126 and the L-shaped slide groove 114 for adaptation.

[0056] Meanwhile, the structure between the upper cover 12 and the base 11 also includes a protrusion 127 on the inner wall of the through hole 121, and a connecting groove 115 is opened on the protrusion 113 corresponding to the protrusion 127.

[0057] Therefore, in actual use, the connection and positioning between the top cover 12 and the base 11 are achieved by matching the second protrusion 127 and the first connecting groove 115.

[0058] like Figures 5-7 As shown, the structure between the nozzle 2 and the base 11 is as follows: First, a connecting part 21 is provided on the top of the nozzle 2, and the connecting part 21 is located inside the channel 111 and is detachably connected to the inner wall of the channel 111.

[0059] The detachable connection structure is as follows: First, at least one slider 22 is provided on the outer side of the connection part 21, and an L-shaped groove 117 is provided on the inner wall of the channel 111, and the slider 22 moves in the L-shaped groove 117.

[0060] Thus in actual use, the nozzle 2 and the base 11 are connected by the slider 22 and the L-shaped slot 117. In order to fasten the connection, a protrusion and a slot can be arranged between the slider 22 and the L-shaped slot 117.

[0061] Meanwhile, the inner wall of the channel 111 is provided with a step 116, and the connecting part 21 is provided with a connecting slot 23 corresponding to the step 116.

[0062] Thus in actual use, the nozzle 2 and the base 11 are connected and limited by the step 116 and the connecting slot 23.

[0063] The nozzle 2 comprises a nozzle part 24 and a connecting part 21, and a bevel part 25 is arranged between the nozzle part 24 and the connecting part 21. The outer diameter of the top of the bevel part 25 is smaller than the outer diameter of the bottom of the bevel part 25, and the outer diameter of the top of the bevel part 25 is smaller than or equal to the bottom diameter of the through hole 121.

[0064] Thus in actual use, the nozzle 2 and the base 11 are limited by the arrangement of the bevel part 25, and the outer diameter of the top of the bevel part 25 is smaller than the outer diameter of the bottom of the bevel part 25, and the outer diameter of the top of the bevel part 25 is smaller than or equal to the bottom diameter of the through hole 121.

[0065] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Meanwhile, the utility model is not limited by the above-mentioned embodiments, and various changes and improvements can be made without departing from the principle and scope of the utility model. These changes and improvements fall within the scope of the utility model.

Claims

1. A laser head with water cooling and air blowing capabilities, characterized in that, The ceramic body (1) includes a base (11) and a top cover (12) disposed on the base (11). The bottom of the base (11) is provided with a nozzle (2), and a channel (111) for laser to pass through is opened in the middle of the base (11). The top of the top cover (12) is used to connect with the lens barrel, and a through hole (121) is opened on the top cover (12) corresponding to the channel (111). A second channel (13) for water flow is provided between the base (11) and the top cover (12), and an inlet (122) and an outlet (123) communicating with the second channel (13) are provided on the outside of the top cover (12), and the inlet (122) and the outlet (123) are located on the same side of the top cover (12). A baffle (3) is fitted on the outside of the base (11), and a channel three (4) for air circulation is provided between the baffle (3) and the outside of the base (11). An air inlet (124) communicating with the channel three (4) is opened on the outside of the upper cover (12), and the air inlet (124) and the water inlet (122) are located on both sides of the upper cover (12).

2. A laser head with water cooling and air blowing according to claim 1, characterized in that: The baffle (3) includes a horizontal plate (31) with openings and an annular plate (32), and the horizontal plate (31) is located below the upper cover (12) and connected to the upper cover (12). The top of the annular plate (32) is connected to the horizontal plate (31), and the annular plate (32) is sleeved on the outside of the base (11). A channel three (4) is provided between the annular plate (32) and the outside of the base (11). A flow divider (5) is provided between the top cover (12) and the horizontal plate (31), and the flow divider (5) has a through hole (51) for air circulation, and a protrusion (52) is provided on the inner wall of the through hole (51), and the protrusion (52) has at least one flow divider groove (53). Or / and, a limiting ring (33) is provided in the bottom opening of the annular plate (32), and the inner wall of the limiting ring (33) is a slope (331), and the diameter of the top opening of the limiting ring (33) is larger than the diameter of the bottom opening of the limiting ring (33).

3. A laser head with water cooling and air blowing according to claim 1, characterized in that: The base (11) has a water channel 1 (131) on the top and a water channel 2 (132) on the bottom of the cover (12), and the water channel 1 (131) and the water channel 2 (132) are combined to form channel 2 (13).

4. A laser head with water cooling and air blowing according to any one of claims 1-2, characterized in that: The second channel (13) includes a first water channel (131) and a second water channel (132), and the bottom of the upper cover (12) is provided with the second water channel (132), and the second water channel (132) is connected to the first through hole (121); The base (11) has a water channel (131) on its top, and a protruding plate (112) is provided on the outside of the water channel (131). The base (11) also has a protruding plate (113) between the water channel (131) and the channel (13), and the protruding plate (113) is located in the through hole (121) to separate the water channel (132) and the through hole (121). The first convex plate (112) is shorter than the second convex plate (113), and the bottom of the upper cover (12) contacts the first convex plate (112) and is detachably connected to the first convex plate (112). The upper cover (12) is sleeved on the outside of the second convex plate (113).

5. A laser head with water cooling and air blowing according to claim 4, characterized in that: The bottom of the upper cover (12) is provided with an installation part (125), and at least one slider (126) is provided on the outside of the installation part (125). The inner wall of the protrusion plate (112) is provided with an L-shaped groove (114). The installation part (125) is located in the water channel (131), and the slider (126) moves in the L-shaped groove (114) and is adapted to the L-shaped groove (114) to realize the connection between the upper cover (12) and the base (11). Or / and, the inner wall of the through hole one (121) is provided with a protrusion two (127), and the protrusion two (113) is provided with a connecting groove one (115) corresponding to the protrusion two (127).

6. A laser head with water cooling and air blowing according to any one of claims 1-3, characterized in that: The nozzle (2) is provided with a connecting part (21) at the top, and the connecting part (21) is located inside the channel (111) and is detachably connected to the inner wall of the channel (111); At least one slider two (22) is provided on the outside of the connecting part (21), and an L-shaped groove two (117) is provided on the inner wall of the channel one (111). The slider two (22) moves in the L-shaped groove two (117) and is adapted to the L-shaped groove two (117) to realize the connection between the nozzle (2) and the base (11).

7. A laser head with water cooling and air blowing according to claim 6, characterized in that: The inner wall of the first channel (111) is provided with a step (116), and the connecting part (21) is provided with a connecting groove (23) corresponding to the step (116); Or / and, the nozzle (2) includes a spray head (24) and a connecting part (21), and a beveled part (25) is provided between the spray head (24) and the connecting part (21), and the outer diameter of the top of the beveled part (25) is smaller than the outer diameter of the bottom of the beveled part (25), and the outer diameter of the top of the beveled part (25) is less than or equal to the bottom diameter of the through hole (121).

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