Vacuum unit cooling structure for chemical industry

Abstract

The utility model discloses a chemical vacuum unit cooling structure, a heat dissipation mechanism comprises a first supporting plate, one side of the first supporting plate is symmetrically and rotatably connected with rotating blocks, one ends of the side edges of the two rotating blocks are further fixedly connected with cranks, the rotating blocks are further fixedly connected with threaded shafts at the rotating shafts, and the threaded shafts are fixedly connected with the connecting rods. The heat dissipation mechanism further comprises a second supporting plate, extension rods are fixedly connected to the two sides of the second supporting plate, an inner threaded hole is further formed in the inner wall of the end of the extension rod on one side, the interior of the inner threaded hole is in threaded connection with the threaded shaft, and the inner wall of the end of the other extension rod is connected with the first supporting plate in an inserted mode. The first supporting plate and the second supporting plate are both located on the same horizontal plane, when the vacuum unit does not need too high vacuum degree or too large air suction amount, redundant draught fans can be detached, only one draught fan is left to be matched with a vacuum pump for operation alternation, and through the structure, electricity is saved, and the service life of the vacuum unit is prolonged. And the noise of the production environment can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum unit technical field, concretely relates to a chemical vacuum unit cooling structure. BACKGROUND

[0002] Vacuum unit is a kind of air extraction device combined by vacuum pump and corresponding vacuum element (such as vacuum gauge, vacuum valve, vacuum pipeline and control element), it can extract gas molecules in vacuum chamber, reduce pressure, form the required vacuum environment, the equipment structure is compact, installation is easy to use, is widely used in chemical industry, medicine, food, metallurgy, electronics and multiple fields.

[0003] In prior art, air cooling device is usually arranged above each vacuum pump in vacuum unit to carry out cooling, and in some production stages, high vacuum degree or large air extraction amount can not be needed, at this time, one vacuum pump is rotated and only operated to meet production demand, and energy consumption and production cost are reduced, at this time, air cooling device is still all operated, not only waste power, but also generate large noise, to solve the above problems, a chemical vacuum unit cooling structure is provided. UTILITY MODEL CONTENTS

[0004] The purpose of the utility model can be realized by the following technical solutions:

[0005] A chemical vacuum unit cooling structure, comprising a vacuum unit, a heat dissipation mechanism is arranged above the vacuum unit, and the vacuum unit comprises a conveying pipe.

[0006] The heat dissipation mechanism comprises a first supporting plate, a rotating block is symmetrically connected to one side of the first supporting plate, a crank is further fixedly connected to one end of the side edges of the two rotating blocks, and a threaded shaft is further fixedly connected to the rotating block at the rotating shaft.

[0007] The heat dissipation mechanism further comprises a second supporting plate, the two sides of the second supporting plate are fixedly connected with extension rods, an inner thread hole is formed in the end inner wall of one extension rod, the inner thread hole is threadedly connected with the threaded shaft, and the end inner wall of the other extension rod is inserted with the first supporting plate.

[0008] The first supporting plate and the second supporting plate are located on the same horizontal plane.

[0009] As a further scheme of the utility model, the heat dissipation mechanism further comprises a plurality of fans, the outer sides of the fans are respectively embeddedly fixed with the inner walls of the first supporting plate and the second supporting plate, and the air outlets of the fans are all arranged below the first supporting plate or the second supporting plate.

[0010] As a further scheme of the utility model: the top surface middle part of each fan is fixedly connected with a dust screen, and the sidewall middle part of each fan is further fixedly and electrically connected with a power transmission line.

[0011] As a further scheme of the utility model: the top surface long side of the support wall is provided with a sliding groove, the outer wall upper end of the support wall is further fixedly installed with a motor, the output shaft of the motor extends to the inside of one side of the sliding groove, and the output shaft of the motor is fixedly connected with a lead screw, and the other end of the lead screw is rotatably connected with the inner wall of the sliding groove.

[0012] As a further scheme of the utility model: the inner side of the two sliding grooves is slidably connected with the bottom surface of the first support plate, and the outer wall of the lead screw is threadedly sleeved with the bottom surface of the first support plate.

[0013] As a further scheme of the utility model: the middle part of one side of the support wall is fixedly installed with a wire cylinder, the wire cylinder extends in the vertical direction, the sidewall of the wire cylinder is provided with a lifting groove, the lifting groove is consistent with the wire cylinder in the length direction, the inner side of the lifting groove is slidably connected with a counterweight, the inner wall of the counterweight is fixedly connected with the power transmission line close to the first support plate, and the power transmission line is further connected with the wire cylinder.

[0014] As a further scheme of the utility model: the inner wall of the support wall is fixedly installed with a conveying pipe, the side of the conveying pipe is connected with a plurality of branch pipes, the other end of the branch pipe is fixedly installed with a vacuum pump, the surface of the support wall and close to each vacuum pump is provided with an access door, and the inner side of each access door is hingedly connected with an isolation net.

[0015] The utility model discloses the beneficial effect:

[0016] (1) the utility model discloses a plurality of fans are set up on the vacuum pump in the vacuum unit and carry out auxiliary heat dissipation, when the vacuum unit does not need high vacuum degree or large suction capacity, the excess fan can be disassembled, only single fan is left over and carries out operation rotation with the vacuum pump, and the above-mentioned structure is not only favorable to the saving of electric power, and is favorable to reducing the noise of production environment.

[0017] (2) when single fan is rotated and moves with the vacuum pump, the power transmission line of connecting fan is received to the inside of wire cylinder, and the counterweight of connecting power transmission line is further arranged in the inside of wire cylinder, when the end of power transmission line follows the movement of fan and stops, the extension part of power transmission line is received to the inside of wire cylinder by the counterweight, and the entanglement of power transmission line is avoided when the power transmission line is too long. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further explained in connection with the drawings.

[0019] Figure 1 is the overall structure of the utility model overhead schematic diagram;

[0020] Figure 2 is the overall structure of the utility model vacuum unit schematic diagram;

[0021] Figure 3 is the first support plate overhead structure schematic diagram of the utility model;

[0022] Figure 4 is the second support plate overhead structure schematic diagram of the utility model;

[0023] Figure 5 is the internal structure schematic diagram of the utility model wire drum.

[0024] In the drawing: 1, vacuum unit;101, support wall;102, chute;103, motor;104, screw;105, conveying pipe;106, branch pipe;107, vacuum pump;108, access door;109, isolation net;110, wire drum;111, lifting groove;112, counterweight;2, heat dissipation mechanism;201, first support plate;202, rotating block;203, crank;204, threaded shaft;205, second support plate;206, extension rod;207, internal thread hole;208, fan;209, dust screen;210, power transmission line. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] As Figures 1-5 shown, a kind of vacuum unit cooling structure for chemical industry, including vacuum unit 1, the upper side of vacuum unit 1 is provided with heat dissipation mechanism 2, vacuum unit 1 includes conveying pipe 105;Heat dissipation mechanism 2 includes first support plate 201, one side of first support plate 201 is symmetrically connected with rotating block 202, the side of two rotating blocks 202 one end is also fixedly connected with crank 203, rotating block 202 at pivot is also fixedly connected with threaded shaft 204;Wherein, heat dissipation mechanism 2 also includes second support plate 205, the two sides of second support plate 205 are all fixedly connected with extension rod 206, the end head inner wall of one side extension rod 206 is also provided with internal thread hole 207, the inside of internal thread hole 207 is threadedly connected with threaded shaft 204, the end head inner wall of another extension rod 206 is inserted with first support plate 201;Wherein, first support plate 201 and second support plate 205 are all located in same horizontal plane, as shown inFigure 1 、 Figures 3-4 As shown in the figure, both sides of the first support plate 201 can be connected to the second support plate 205 through the extension rod 206;

[0027] The heat dissipation mechanism 2 further comprises a plurality of fans 208, and the outer sides of the fans 208 are respectively embedded and fixed to the inner walls of the first support plate 201 and the second support plate 205. The air outlets of the fans 208 are respectively arranged below the first support plate 201 and the second support plate 205. The top surfaces of the fans 208 are fixedly connected with dust screens 209. The sidewalls of the fans 208 are further fixedly connected with power transmission lines 210. As shown in the figure, the dust screens 209 intercept dust above the first support plate 201 and the second support plate 205, so as to avoid the dust from being blown to the surface of the vacuum pump 107. Figures 3-4

[0028] The vacuum unit 1 comprises a support wall 101. The top surface of the support wall 101 is provided with two sliding grooves 102. The outer wall of the support wall 101 is further fixedly installed with a motor 103. The output shaft of the motor 103 extends into one of the sliding grooves 102. The output shaft of the motor 103 is fixedly connected with a lead screw 104. The other end of the lead screw 104 is rotatably connected with the inner wall of the sliding groove 102. The inner sides of the two sliding grooves 102 are slidably connected with the bottom surface of the first support plate 201. The outer wall of the lead screw 104 is threadedly sleeved with one side of the bottom surface of the first support plate 201. As shown in the figure, the sliding groove 102 guides the movement of the first support plate 201. Figures 1-2

[0029] The support wall 101 is further fixedly installed with a wire guide cylinder 110. The wire guide cylinder 110 extends in the vertical direction. The sidewall of the wire guide cylinder 110 is provided with a lifting groove 111. The lifting groove 111 is consistent with the wire guide cylinder 110 in the length direction. The inner side of the lifting groove 111 is slidably connected with a counterweight 112. The inner wall of the counterweight 112 is fixedly connected with the power transmission line 210 close to the first support plate 201. The power transmission line 210 is further connected with the wire guide cylinder 110. As shown in the figure, the counterweight 112 drives the power transmission line 210 to fall under the action of gravity. Figure 5

[0030] The support wall 101 is further fixedly installed with a conveying pipe 105. The side of the conveying pipe 105 is connected with a plurality of branch pipes 106. The other ends of the branch pipes 106 are fixedly installed with a plurality of vacuum pumps 107. The surface of the support wall 101 close to the vacuum pumps 107 is provided with a plurality of maintenance doors 108. The inner sides of the maintenance doors 108 are hingedly connected with isolation nets 109. As shown in the figure, the maintenance doors 108 facilitate the daily maintenance and repair of the vacuum pumps 107 by the operators. Figure 2

[0031] ​​​​The working principle of the utility model:

[0032] When the vacuum unit does not need high vacuum degree or large air extraction amount, the vacuum pump 107 is operated in single rotation, at this time, the rotating crank 203 drives the rotating block 202 to rotate, the threaded shaft 204 is extruded by the inner wall of the internal thread hole 207, so that the first supporting plate 201 is gradually separated from the extension rod 206, which facilitates the subsequent removal of the second supporting plate 205 from above the supporting wall 101;

[0033] The motor 103 drives the screw rod 104 to rotate, the screw rod 104 surface thread drives the first supporting plate 201 to move along the sliding groove 102, so that the fan 208 inside the first supporting plate 201 is located above the running vacuum pump 107, and when the fan 208 moves away from the wire cylinder 110, the power transmission line 210 drives the counterweight 112 to lift upward along the lifting groove 111, when the fan 208 moves and approaches the wire cylinder 110, the counterweight 112 drives the power transmission line 210 to fall into the wire cylinder 110, avoiding the power transmission line 210 above the wire cylinder 110 to be too long, preventing winding.

[0034] The above embodiment of the utility model is described in detail, but the content described can only be the preferred embodiment of the utility model, and cannot be considered as limiting the scope of the utility model. Any equivalent change and improvement within the scope of the utility model application should still belong to the patent coverage range of the utility model.

Claims

1. A chemical vacuum unit cooling structure, comprising a vacuum unit (1), a heat dissipation mechanism (2) is arranged above the vacuum unit (1), and the vacuum unit (1) comprises a conveying pipe (105). characterized in that The heat dissipation mechanism (2) comprises a first supporting plate (201), one side of the first supporting plate (201) is symmetrically connected with a rotating block (202), one end of the side edges of the two rotating blocks (202) is further fixedly connected with a crank (203), and the rotating block (202) at the rotating shaft is further fixedly connected with a threaded shaft (204). The heat dissipation mechanism (2) further comprises a second supporting plate (205), both sides of the second supporting plate (205) are fixedly connected with an extension rod (206), the end head inner wall of one extension rod (206) is further provided with an internal thread hole (207), the internal thread hole (207) is threadedly connected with the threaded shaft (204), and the end head inner wall of the other extension rod (206) is inserted with the first supporting plate (201). The first supporting plate (201) and the second supporting plate (205) are located on the same horizontal plane.

2. The cooling structure of a vacuum unit for chemical industry according to claim 1, characterized in that, The heat dissipation mechanism (2) further comprises a fan (208), a plurality of fans (208) are arranged, and the outer sides of the fans (208) are respectively embeddedly fixed with the inner walls of the first supporting plate (201) and the second supporting plate (205), and the air outlets of the fans (208) are all arranged below the first supporting plate (201) or the second supporting plate (205).

3. The cooling structure of the vacuum unit for chemical industry according to claim 2, characterized in that, The top surface of each fan (208) is fixedly connected with a dustproof net (209), and the sidewall of each fan (208) is further fixedly and electrically connected with a power transmission line (210).

4. The cooling structure of the vacuum unit for chemical industry according to claim 3, characterized in that, The vacuum unit (1) comprises a supporting wall (101), both sides of the top surface of the supporting wall (101) are provided with a sliding groove (102), the outer wall of the supporting wall (101) is further fixedly installed with a motor (103), the output shaft of the motor (103) extends into one side of the sliding groove (102), and the output shaft of the motor (103) is fixedly connected with a lead screw (104), and the other end of the lead screw (104) is rotatably connected with the inner wall of the sliding groove (102).

5. The cooling structure of the vacuum unit for chemical industry according to claim 4, characterized in that, The inner sides of the two sliding grooves (102) are slidably connected with the bottom surface of the first supporting plate (201), and the outer wall of the lead screw (104) is threadedly sleeved with one side of the bottom surface of the first supporting plate (201).

6. The cooling structure of a vacuum unit for chemical industry according to claim 5, characterized in that, One side of the supporting wall (101) is fixedly installed with a wire guide cylinder (110), the wire guide cylinder (110) extends in the vertical direction, the sidewall of the wire guide cylinder (110) is provided with a lifting groove (111), the lifting groove (111) is consistent with the wire guide cylinder (110) in the length direction, the inner side of the lifting groove (111) is slidably connected with a counterweight (112), the inner wall of the counterweight (112) is fixedly connected with the power transmission line (210) close to the first supporting plate (201), and the power transmission line (210) is further connected with the wire guide cylinder (110).

7. The cooling structure of a vacuum unit for chemical industry according to claim 6, characterized in that, The inner side wall of the support wall (101) is fixedly provided with a conveying pipe (105), the side edge of the conveying pipe (105) is connected with a plurality of branch pipes (106) in a penetrating mode, the other end of each branch pipe (106) is fixedly provided with a vacuum pump (107), and the surface of the support wall (101) and close to each vacuum pump (107) is provided with an access door (108); the inner side of each access door (108) is hingedly provided with a partition net (109).

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