Numerical control vacuumizing unit

Abstract

The utility model discloses a numerical control vacuumizing unit which comprises a base, a supporting frame is fixedly installed on the top of the base, a control box is fixedly installed on the top of the base, a fixing plate is fixedly installed on the top of the supporting frame, and a vacuumizing mechanism for vacuumizing is installed on the base and the fixing plate. According to the utility model, the vacuumizing mechanism is arranged to vacuumize equipment needing to be vacuumized, and the connecting mechanism is arranged to increase the circulation length of gas in the gas extraction process, so that the extracted gas can be subjected to first-step cooling treatment; the arranged cooling mechanism is used for cooling the connecting mechanism in a water-cooling contact mode, so that the situation that the vacuumizing efficiency is affected due to the fact that the temperature of extracted gas is high can be prevented, and the arranged winding mechanism can be used for rapidly and regularly winding an external vacuumizing pipe; therefore, the whole movement process of the device can be prevented from being influenced by disorder of the vacuumizing pipe in the transportation process.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum pumping equipment, in particular to a digitally controlled vacuum pumping unit. Background Art

[0002] Vacuuming is an essential and important process before charging refrigerant during the production or maintenance of refrigeration equipment and other equipment.

[0003] When some special equipment is evacuated, the temperature of the extracted gas is relatively high, which will affect the extraction efficiency of the vacuum pumping unit. In addition, longer auxiliary pipelines are usually connected during the vacuum pumping process, so it is easy to be relatively messy when folding and unfolding. For this reason, we propose a CNC vacuum pumping unit. Utility Model Content

[0004] The purpose of the utility model is to provide a digitally controlled vacuum pumping unit to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a CNC vacuum unit, comprising a base, the bottom of the base is fixedly connected to a transport wheel, the top of the base is fixedly installed with a support frame, the top of the base is fixedly installed with a control box, the top of the base is fixedly installed with a fixed plate, a vacuum mechanism for vacuuming is installed on the base and the fixed plate, one air inlet end of the vacuum mechanism is fixedly connected with a connecting mechanism, a cooling mechanism for cooling the connecting mechanism is fixedly installed on the back of the control box, and a winding mechanism for winding up the external vacuum tube in a regular manner is fixedly installed on one side of the control box.

[0006] Furthermore, the vacuum pumping mechanism includes a rotary vane vacuum pump, a Roots vacuum pump and a first connecting pipe, the rotary vane vacuum pump is fixedly installed on the top of the base, the Roots vacuum pump is fixedly installed on the top of the fixed plate, the air inlet end of the Roots vacuum pump is fixedly connected to the connecting mechanism, and the air outlet end of the Roots vacuum pump is fixedly connected to the air inlet end of the rotary vane vacuum pump.

[0007] Furthermore, the connecting mechanism includes a cooling pipe, a connecting elbow and a joint. The connecting elbows are provided in multiple groups and are fixedly connected. The cooling pipe is fixedly connected to one end of the air intake of the Roots vacuum pump. The end of the cooling pipe away from the Roots vacuum pump is fixedly connected to multiple groups of connecting elbows. One end of the connecting elbow is fixedly connected to a joint fixedly connected to an external vacuum pipe.

[0008] Furthermore, the cooling mechanism includes a cooling frame, a mounting seat, a water inlet pipe, a water outlet pipe and a water-cooling pipe. The cooling frame is fixedly installed on the back of the control box and at a position corresponding to the connecting bent pipe through the mounting seat. The interior of the cooling frame is fixedly installed with a water-cooling pipe through a fixing frame. One end of the water-cooling pipe is fixedly connected to a water inlet pipe, and the other end of the water-cooling pipe is fixedly connected to a water outlet pipe. The water inlet pipe is fixedly connected to an external water pump, and the water outlet pipe is fixedly connected to an external water tank. The top and bottom of the cooling frame are provided with multiple groups of avoidance grooves for avoiding the connecting bent pipes.

[0009] Furthermore, the winding mechanism includes a fixed block, a rotating shaft, a sleeve, a first fixed disk, a second fixed disk and a threaded rod. Two groups of fixed blocks are fixedly installed on one side of the control box, and the rotating shaft is fixedly installed on the opposite sides of the two groups of fixed blocks. The sleeve is rotatably installed on the outer surface of the rotating shaft, one side of the sleeve is fixedly connected to the first fixed disk, one side of the first fixed disk is fixedly installed with a threaded rod, the outer surface of the threaded rod is slidably connected to the second fixed disk, and the outer surface of the threaded rod and one side of the second fixed disk is threadedly connected with a locking nut.

[0010] Furthermore, a guide block with an arc-shaped side is fixedly installed on one side of the control box and corresponds to the position of the winding mechanism.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the utility model can perform vacuum treatment on equipment that needs vacuum treatment by setting a vacuum pumping mechanism, and the set connecting mechanism can increase the flow length of the gas during the vacuuming process, so that the first step of cooling treatment can be performed on the extracted gas, and the set cooling mechanism adopts water-cooling contact to cool the connecting mechanism, so as to prevent the high temperature of the extracted gas from affecting the vacuuming efficiency, and the set winding mechanism can quickly and regularly wind up the external vacuum tube, so as to prevent the vacuum tube from being messy during transportation and affecting the entire movement process of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the first stereogram structure of the utility model;

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

[0014] Figure 3 This is a schematic diagram of the rear view structure of the cooling mechanism of the utility model;

[0015] Figure 4 It is a schematic diagram of the three-dimensional structure of the winding mechanism of the utility model;

[0016] Figure 5 It is a schematic diagram of the three-dimensional structure of the winding mechanism of the utility model.

[0017] In the figure: 1 base, 2 transport wheels, 3 support frame, 4 control box, 5 fixed plate, 6 vacuum mechanism, 7 cooling mechanism, 8 connecting mechanism, 9 winding mechanism, 10 rotary vane vacuum pump, 11 Roots vacuum pump, 12 first connecting pipe, 13 cooling pipe, 14 connecting elbow, 15 joint, 16 cooling frame, 17 mounting seat, 18 water inlet pipe, 19 water outlet pipe, 20 fixed frame, 21 water cooling pipe, 22 avoidance groove, 23 fixed block, 24 rotating shaft, 25 sleeve, 26 first fixed disk, 27 second fixed disk, 28 threaded rod, 29 locking nut, 30 guide block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-Figure 5 The utility model provides a technical solution: a CNC vacuum unit, comprising a base 1, a transport wheel 2 is fixedly connected to the bottom of the base 1, a support frame 3 is fixedly installed on the top of the base 1, a control box 4 is fixedly installed on the top of the base 1, a fixed plate 5 is fixedly installed on the top of the support frame 3, a vacuum mechanism 6 for vacuuming is installed on the base 1 and the fixed plate 5, an air inlet end of the vacuum mechanism 6 is fixedly connected to a connecting mechanism 8, a cooling mechanism 7 for cooling the connecting mechanism 8 is fixedly installed on the back of the control box 4, and a winding mechanism 9 for winding up the external vacuum tube in a regular manner is fixedly installed on one side of the control box 4.

[0020] Among them, by setting up the vacuum pumping mechanism 6, the equipment that needs to be vacuumed can be vacuumed, and the setting of the connecting mechanism 8 can increase the flow length of the gas during the vacuuming process, so that the first step of cooling the extracted gas can be performed, and the setting of the cooling mechanism 7 adopts water-cooling contact to cool the connecting mechanism 8, so as to prevent the high temperature of the extracted gas from affecting the vacuuming efficiency, and the setting of the winding mechanism 9 can quickly and regularly wind up the external vacuum tube, so as to prevent the vacuum tube from being messy during transportation and affecting the entire movement process of the device.

[0021] See also Figure 1 and Figure 2The vacuum pumping mechanism 6 includes a rotary vane vacuum pump 10, a Roots vacuum pump 11 and a first connecting pipe 12. The rotary vane vacuum pump 10 is fixedly installed on the top of the base 1. The Roots vacuum pump 11 is fixedly installed on the top of the fixed plate 5. The air inlet end of the Roots vacuum pump 11 is fixedly connected to the connecting mechanism 8, and the air outlet end of the Roots vacuum pump 11 is fixedly connected to the air inlet end of the rotary vane vacuum pump 10.

[0022] The vane vacuum pump 10 and the Roots vacuum pump 11 cooperate to enhance the vacuuming efficiency, and the Roots vacuum pump 11 is used as a fore-stage pump to increase the vacuum degree of the extraction process of the extracted equipment.

[0023] See also Figure 1 and Figure 2 The connecting mechanism 8 includes a cooling pipe 13, a connecting elbow 14 and a joint 15. The connecting elbow 14 is provided with multiple groups and is fixedly connected. The cooling pipe 13 is fixedly connected to one end of the air intake of the Roots vacuum pump 11. One end of the cooling pipe 13 away from the Roots vacuum pump 11 is fixedly connected to multiple groups of connecting elbows 14. One end of the connecting elbow 14 is fixedly connected to a joint 15 fixedly connected to an external vacuum pipe.

[0024] Among them, the provided joint 15 can be fixedly connected with the external vacuum pipe, and then the cooling pipe 13 is fixedly connected with the air inlet end of the Roots vacuum pump 11, and then the cooling pipe 13 is fixedly connected with the connecting elbow 14. The multiple groups of connecting elbows 14 are connected to each other to increase the flow length of the extracted gas, so that the gas can be subjected to the first step of cooling treatment.

[0025] See also Figure 1 , Figure 2 and Figure 3 The cooling mechanism 7 includes a cooling frame 16, a mounting seat 17, a water inlet pipe 18, a water outlet pipe 19 and a water cooling pipe 21. The cooling frame 16 is fixedly installed on the back of the control box 4 and at the position corresponding to the connecting elbow 14 through the mounting seat 17. The interior of the cooling frame 16 is fixedly installed with a water cooling pipe 21 through a fixing frame 20. One end of the water cooling pipe 21 is fixedly connected to the water inlet pipe 18, and the other end of the water cooling pipe 21 is fixedly connected to the water outlet pipe 19. The water inlet pipe 18 is fixedly connected to an external water pump, and the water outlet pipe 19 is fixedly connected to an external water tank. The top and bottom of the cooling frame 16 are provided with multiple groups of avoidance grooves 22 for avoiding the connecting elbow 14.

[0026] Among them, the water inlet pipe 18 is fixedly connected to the water outlet end of the external water pump, the water outlet pipe 19 is fixedly connected to the external water tank, and then the water inlet end of the water pump is fixedly connected to the water tank, so that the cooling water can be recycled, and the arranged water cooling pipe 21 is in contact with the connecting elbow 14, so that a certain heat exchange can be completed, so that the gas transported by the connecting elbow 14 can be cooled secondary, thereby preventing the gas temperature from being too high and affecting the normal use of the Roots vacuum pump 11.

[0027] See also Figure 1 , Figure 2 and Figure 5 The winding mechanism 9 includes a fixed block 23, a rotating shaft 24, a sleeve 25, a first fixed disk 26, a second fixed disk 27 and a threaded rod 28. Two groups of fixed blocks 23 are fixedly installed on one side of the control box 4, and the rotating shaft 24 is fixedly installed on the opposite sides of the two groups of fixed blocks 23. The sleeve 25 is rotatably installed on the outer surface of the rotating shaft 24, and the first fixed disk 26 is fixedly connected to one side of the sleeve 25. The threaded rod 28 is fixedly installed on one side of the first fixed disk 26. The second fixed disk 27 is slidably connected to the outer surface of the threaded rod 28. A locking nut 29 is threadedly connected to the outer surface of the threaded rod 28 and located on one side of the second fixed disk 27.

[0028] Among them, the first fixed plate 26 and the second fixed plate 27 can be installed on the outer surface of the threaded rod 28, and then the longer external vacuum tube can be wrapped around the outer surface of the threaded rod 28 for regularization, and the locking nut 29 can be moved along the outer surface of the threaded rod 28, and then the distance between the first fixed plate 26 and the second fixed plate 27 can be adjusted, so that the external vacuum tubes of different lengths can be regularly rolled up.

[0029] See also Figure 1 and Figure 3 A guide block 30 with an arc-shaped side is fixedly installed on one side of the control box 4 and corresponds to the position of the winding mechanism 9, wherein one side of the guide block 20 is set to be arc-shaped, which can guide the external vacuum tube, thereby preventing the external vacuum tube from bending due to the rectangular side of the control box 4.

[0030] When in use, first, by setting the vacuum pumping mechanism 6, the equipment that needs to be vacuumed can be vacuumed, and the setting connection mechanism 8 can increase the flow length of the gas during the vacuuming process, so that the extracted gas can be subjected to the first step of cooling treatment, and the setting cooling mechanism 7 adopts water cooling contact to cool the connection mechanism 8, so as to prevent the high temperature of the extracted gas from affecting the vacuuming efficiency, and the setting winding mechanism 9 can quickly and regularly wind up the external vacuum pump, so as to prevent the vacuum pump from being messy during transportation and affecting the entire movement process of the device, the setting rotary vane vacuum pump 10 and the Roots vacuum pump 11 work together to enhance the vacuuming efficiency, and the setting Roots vacuum pump 11 is used as a front-stage pump to increase the vacuum degree of the extracted equipment during the extraction process, the setting joint 15 can be fixedly connected with the external vacuum pump, and then the cooling pipe 13 is fixedly connected with the air inlet end of the Roots vacuum pump 11, and then the cooling pipe 13 is fixedly connected with the connecting elbow 14, and multiple groups of connecting The connection between the elbow pipes 14 can increase the flow length of the extracted gas, so that the gas can be cooled in the first step. The water inlet pipe 18 is fixedly connected to the water outlet end of the external water pump, and the water outlet pipe 19 is fixedly connected to the external water tank. Then the water inlet end of the water pump is fixedly connected to the water tank, so that the cooling water can be recycled. The water-cooling pipe 21 is in contact with the connecting elbow pipe 14, so that a certain heat exchange can be completed, so that the gas transported by the connecting elbow pipe 14 is cooled for a second time, so as to prevent the gas temperature from being too high and affecting the normal use of the Roots vacuum pump 11. The first fixed disk 26 and the second fixed disk 27 can be installed on the outer surface of the threaded rod 28, and then the longer external vacuum pipe can be wrapped around the outer surface of the threaded rod 28 for regularization, and the locking nut 29 can be moved along the outer surface of the threaded rod 28, and then the distance between the first fixed disk 26 and the second fixed disk 27 can be adjusted, so that the external vacuum pipes of different lengths can be regularly rolled up.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A numerically controlled vacuum pumping unit, comprising a base (1), a transport wheel (2) fixedly connected to the bottom of the base (1), a support frame (3) fixedly mounted on the top of the base (1), and a control box (4) fixedly mounted on the top of the base (1), characterized in that: A fixing plate (5) is fixedly mounted on the top of the support frame (3); a vacuum pumping mechanism (6) for vacuuming is mounted on the base (1) and the fixing plate (5); an air inlet end of the vacuum pumping mechanism (6) is fixedly connected to a connecting mechanism (8); a cooling mechanism (7) for cooling the connecting mechanism (8) is fixedly mounted on the back of the control box (4); and a winding mechanism (9) for winding an external vacuum tube in an orderly manner is fixedly mounted on one side of the control box (4).

2. A numerically controlled vacuum pumping unit according to claim 1, characterized in that: The vacuum pumping mechanism (6) comprises a rotary vane vacuum pump (10), a Roots vacuum pump (11) and a first connecting pipe (12); the rotary vane vacuum pump (10) is fixedly mounted on the top of the base (1); the Roots vacuum pump (11) is fixedly mounted on the top of the fixed plate (5); an air inlet end of the Roots vacuum pump (11) is fixedly connected to a connecting mechanism (8); and an air outlet end of the Roots vacuum pump (11) is fixedly connected to an air inlet end of the rotary vane vacuum pump (10).

3. A numerically controlled vacuum pumping unit according to claim 2, characterized in that: The connecting mechanism (8) comprises a cooling pipe (13), a connecting elbow (14) and a joint (15); the connecting elbow (14) is provided with a plurality of groups and is fixedly connected; the cooling pipe (13) is fixedly connected to an air intake end of a Roots vacuum pump (11); an end of the cooling pipe (13) away from the Roots vacuum pump (11) is fixedly connected to a plurality of groups of connecting elbows (14); and one end of the connecting elbow (14) is fixedly connected to a joint (15) fixedly connected to an external vacuum pump.

4. A numerically controlled vacuum pumping unit according to claim 3, characterized in that: The cooling mechanism (7) comprises a cooling frame (16), a mounting seat (17), a water inlet pipe (18), a water outlet pipe (19) and a water cooling pipe (21); the cooling frame (16) is fixedly mounted on the back of the control box (4) and at a position corresponding to the connecting elbow pipe (14) through the mounting seat (17); a water cooling pipe (21) is fixedly mounted inside the cooling frame (16) through a fixing frame (20); one end of the water cooling pipe (21) is fixedly connected to the water inlet pipe (18); the other end of the water cooling pipe (21) is fixedly connected to the water outlet pipe (19); the water inlet pipe (18) is fixedly connected to an external water pump; the water outlet pipe (19) is fixedly connected to an external water tank; and a plurality of avoidance grooves (22) for avoiding the connecting elbow pipe (14) are provided on the top and bottom of the cooling frame (16).

5. A numerically controlled vacuum pumping unit according to claim 4, characterized in that: The winding mechanism (9) comprises a fixed block (23), a rotating shaft (24), a sleeve (25), a first fixed disk (26), a second fixed disk (27) and a threaded rod (28); two groups of fixed blocks (23) are fixedly mounted on one side of the control box (4); the rotating shaft (24) is fixedly mounted on the opposite sides of the two groups of fixed blocks (23); the sleeve (25) is rotatably mounted on the outer surface of the rotating shaft (24); the first fixed disk (26) is fixedly connected to one side of the sleeve (25); the threaded rod (28) is fixedly mounted on one side of the first fixed disk (26); the second fixed disk (27) is slidably connected to the outer surface of the threaded rod (28); and a locking nut (29) is threadedly connected to the outer surface of the threaded rod (28) and located on one side of the second fixed disk (27).

6. A numerically controlled vacuum pumping unit according to claim 5, characterized in that: A guide block (30) having an arc-shaped side is fixedly installed on one side of the control box (4) and corresponding to the position of the winding mechanism (9).

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