Machine tool cooling pump

Abstract

The utility model relates to a machine tool cooling pump, belongs to the field of machine tool pumps, and provides a machine tool cooling pump which aims at solving the problem that flow is cut off when an existing machine tool cooling pump is shut down and restarted, and comprises a motor and a pump body driven by the motor, and the pump body is provided with a liquid inlet and a liquid outlet. The pump body is provided with a liquid inlet and a liquid outlet, a fluid is pumped from the liquid inlet to the liquid outlet, a mounting plate used for being connected with a machine tool is arranged between the motor and the pump body, a flange seat is arranged at the liquid outlet, a connecting pipe is connected to the flange seat, a pressure tank is arranged on the connecting pipe, and a check valve is arranged at the joint of the flange seat and the connecting pipe. The pressure tank is located at the outer end of the check valve and can achieve the pressure maintaining and stabilizing effects. The pressure tank and the check valve are matched for use, so that the cutting fluid supply system of the machine tool can ensure that the cutting fluid has enough pressure and does not stop flowing when the machine tool pump stops working and is restarted.

Description

Technical Field

[0001] The utility model belongs to the field of machine tool pumps, in particular to a machine tool cooling pump. Background Art

[0002] Machine tool pumps are usually used for the circulation of cutting fluid and coolant on machine tools. They are usually connected to the cutting fluid supply system of the machine tool. Due to the presence of impurities in the cutting fluid and coolant, they will enter the pump body when the machine tool cooling pump is working. Therefore, it is necessary to stop the machine regularly for inspection and cleaning. When the machine tool cooling pump is stopped and restarted, the lack of liquid pressure in the pump body will cause a flow interruption problem, which will affect the use of the machine tool. Utility Model Content

[0003] In view of the problem of flow interruption when the existing machine tool cooling pump is shut down and restarted, the utility model provides a machine tool cooling pump, which has a flange seat and a connecting pipe. A check valve is provided at the connection between the flange seat and the connecting pipe. A pressure tank is provided on the connecting pipe. The check valve and the pressure tank are used in combination to effectively avoid the problem of flow interruption when the machine tool cooling pump is shut down and restarted.

[0004] The utility model adopts the following technical solution: a machine tool cooling pump, comprising a motor and a pump body driven by the motor, the pump body having a liquid inlet and a liquid outlet, when the motor is working, the fluid is pumped from the liquid inlet to the liquid outlet, a mounting plate for connecting the machine tool is provided between the motor and the pump body, a flange seat is provided at the liquid outlet, a connecting pipe is connected to the flange seat, a pressure tank is provided on the connecting pipe, and a check valve is provided at the connection between the flange seat and the connecting pipe.

[0005] The pressure tank is located at the outer end of the check valve, which can achieve the function of maintaining and stabilizing pressure. The pressure tank and the check valve are used together to ensure that the cutting fluid supply system of the machine tool has sufficient pressure and continuous flow when the machine tool pump stops working and starts again.

[0006] Furthermore, the motor has a drive shaft extending from the liquid inlet of the pump body, and an agitator is provided at the end of the drive shaft. The agitator rotates synchronously with the motor, and when the motor is working, the cutting fluid and the coolant are agitated to facilitate the flow of the cutting fluid and the coolant.

[0007] Furthermore, a cover is provided on the outer side of the agitator, and a filter is provided on the cover. The cover can prevent the agitator from being exposed and hurting people, and the filter can effectively prevent large impurities from contacting the agitator and causing damage to the agitator.

[0008] Furthermore, the cover shell is provided with a threaded connecting portion, which extends toward the motor, and a threaded connecting column is provided on the outside of the pump body. A connecting piece passes through the connecting piece and is arranged at the connecting portion to detachably connect the cover shell to the pump body.

[0009] Furthermore, the motor is provided with a controller, the connecting pipe is also provided with a pressure transmitter, the pressure transmitter is located on one side of the pressure tank, and the pressure transmitter is connected to the controller signal. The pressure transmitter is used to measure the liquid pressure to form effective feedback. The controller controls the motor to work according to the pressure information fed back by the pressure transmitter, and has good adjustable performance.

[0010] Furthermore, the controller and the motor are both provided with a connecting socket, and the connecting socket is used for plugging a connecting wire.

[0011] Furthermore, a skeleton oil seal is provided between the motor and the mounting plate. The skeleton oil seal is installed to prevent the cutting fluid stored in the machine tool from splashing out due to the operation of the machine tool.

[0012] Furthermore, the pump body has a pump casing and an impeller, the pump casing includes a first pump casing capable of enclosing the impeller and a second pump casing connected to the mounting plate, the second pump casing and the mounting plate are integrally formed. In this arrangement, the mounting plate and the second pump casing are connected as one body, which is convenient to form and has high strength, can withstand greater liquid pressure, has a stable structure and good performance.

[0013] Furthermore, the liquid outlet is connected to the mounting plate as a whole and is close to one side of the motor. Since the liquid outlet is subjected to greater pressure, it is connected to the mounting plate as a whole, has fewer molding defects, high strength, can meet the use requirements, and is easy to mold.

[0014] The utility model has the beneficial effects: the present application is a machine tool cooling pump, the pressure tank is located at the outer end of the check valve, and can achieve pressure maintaining and stabilizing effects; the pressure tank and the check valve are used in conjunction to allow the cutting fluid supply system of the machine tool to ensure that the cutting fluid has sufficient pressure and does not flow continuously when the machine tool pump stops working and starts again. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the machine tool cooling pump;

[0016] Figure 2 A schematic diagram of the structure in order to omit the cover;

[0017] Figure 3 To omit the schematic diagram of the structure of the pump body and the casing;

[0018] Figure 4 It is a schematic diagram of the connecting pipe assembly structure;

[0019] In the figure: 1-motor; 11-drive shaft; 12-agitator; 2-pump body; 21-cover; 211-filter; 212-connecting part; 22-connecting column; 23-connecting piece; 24-first pump casing; 25-second pump casing; 26-liquid outlet; 3-mounting plate; 31-skeleton oil seal; 4-flange seat; 5-connecting pipe; 6-pressure tank; 7-check valve; 8-controller; 9-pressure transmitter; A-connecting seat. DETAILED DESCRIPTION

[0020] The following is an explanation and description of the technical scheme of the embodiment of the utility model in conjunction with the drawings of the utility model, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the utility model.

[0021] This embodiment is a machine tool cooling pump. Figure 1 As shown, it includes a motor 1 and a pump body 2 driven by the motor 1, the pump body 2 has a liquid inlet and a liquid outlet 26, when the motor 1 is working, the fluid is pumped from the liquid inlet to the liquid outlet 26, a mounting plate 3 for connecting the machine tool is provided between the motor 1 and the pump body 2, characterized in that a flange seat 4 is provided at the liquid outlet 26, a connecting pipe 5 is connected to the flange seat 4, a pressure tank 6 is provided on the connecting pipe 5, and a check valve 7 is provided at the connection between the flange seat 4 and the connecting pipe 5. The mounting plate 3 is provided with an assembly hole, which is convenient for fixing the machine tool cooling pump on the machine tool through screws, rivets and other connectors to prevent tipping during use.

[0022] like Figure 4 As shown, the pressure tank 6 is located at the outer end of the check valve 7, which can achieve the function of maintaining and stabilizing pressure; the pressure tank 6 and the check valve 7 are used together to ensure that the cutting fluid supply system of the machine tool has sufficient pressure and does not stop flowing when the machine tool pump stops working and starts again.

[0023] like Figure 2 , Figure 3 As shown, the motor 1 has a drive shaft 11, which extends from the liquid inlet of the pump body 2, and an agitator 12 is provided at the end of the drive shaft 11. The agitator 12 rotates synchronously with the motor 1, and stirs the cutting fluid and the coolant when the motor is working, so as to facilitate the flow of the cutting fluid and the coolant.

[0024] like Figure 1As shown, a cover 21 is provided on the outer side of the agitator 12, and a filter 211 is provided on the cover 21. The cover 21 can prevent the agitator 12 from being exposed and hurting people, and the filter 211 can effectively prevent large impurities from contacting the agitator and causing damage to the agitator 12. Since the cover 21 is immersed in the cutting fluid during use, the filter 211 can be provided on the side and / or bottom of the cover 21.

[0025] The cover 21 is provided with a threaded connection part 212, the connection part 212 extends toward the motor 1, and a thread is arranged at the top of the connection part 212. The outer side of the pump body 2 is provided with a threaded connection column 22, the connection column 22 has a threaded connection hole, and the threaded connection hole is a through hole. The connection member 23 passes through the connection member 23 and is arranged at the connection part 212, so that the cover 21 is detachably connected to the pump body 2. In this embodiment, the connection member 23 is a stud, which is passed through the connection column 22, and the end is locked in the connection part 212. The part covered by the cover 21 is the position where the agitator 12 is set, and impurities are easily entered here, which requires regular maintenance or fault repair. Therefore, the detachable connection between the cover and the pump body 2 facilitates the removal of the cover 21 when necessary.

[0026] The motor 1 is provided with a controller 8, and the connecting pipe 5 is also provided with a pressure transmitter 9, which is located on one side of the pressure tank 6 and is connected to the controller 8 by signal. The pressure transmitter 9 is used to measure the liquid pressure to form effective feedback. The controller 8 controls the motor to work according to the pressure information fed back by the pressure transmitter 9, and has good adjustable performance.

[0027] The controller 8 and the motor 1 are both provided with a connection socket A, and the connection socket A is used to plug in the connection wire. The controller 8 is connected to the motor 1 and needs to control the motor 1. The pluggable structure (connection socket A and pluggable connection wire) facilitates the controller to adjust its position as needed and also facilitates the connection wire to change its position.

[0028] A skeleton oil seal 31 is provided between the motor 1 and the mounting plate 3. The skeleton oil seal 31 is used to prevent the cutting fluid stored in the machine tool from splashing out due to the operation of the machine tool.

[0029] The pump body 2 includes a pump casing and an impeller (not shown in the figure), and the impeller serves to accelerate the fluid. In the present embodiment, the pump body adopts a multi-stage pump body, which can provide a larger fluid velocity and head. The pump casing includes a first pump casing 24 that can surround the impeller and a second pump casing 25 connected to the mounting plate 3. The second pump casing 25 is integrally formed with the mounting plate 3. In this arrangement, the mounting plate 3 and the second pump casing 25 are connected as a whole, which is convenient to form and has high strength, can withstand a larger liquid pressure, has a stable structure and good performance.

[0030] The liquid outlet 26 is connected to the mounting plate 3 as a whole and is close to one side of the motor 1. Since the liquid outlet 26 is subjected to a large pressure, it is connected to the mounting plate 3 as a whole, has few molding defects, high strength, can meet the use requirements, and is easy to mold. This setting also facilitates the assembly of each component layer by layer.

[0031] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Those skilled in the art should understand that the utility model includes but is not limited to the contents described in the drawings and the above specific implementation. Any modification that does not deviate from the functional and structural principles of the utility model will be included in the scope of the claims.

Claims

1. A machine tool cooling pump, comprising a motor (1) and a pump body (2) driven by the motor (1), the pump body (2) having a liquid inlet and a liquid outlet (26), and when the motor (1) is working, the fluid is pumped from the liquid inlet to the liquid outlet (26), and a mounting plate (3) for connecting to a machine tool is provided between the motor (1) and the pump body (2), characterized in that: A flange seat (4) is provided at the liquid outlet (26), a connecting pipe (5) is connected to the flange seat (4), a pressure tank (6) is provided on the connecting pipe (5), and a check valve (7) is provided at the connection between the flange seat (4) and the connecting pipe (5).

2. The machine tool cooling pump according to claim 1, characterized in that: The motor (1) has a drive shaft (11), the drive shaft (11) extends from the liquid inlet of the pump body (2), and an agitator (12) is provided at the end of the drive shaft (11).

3. The machine tool cooling pump according to claim 2, characterized in that: A cover shell (21) is provided on the outer side of the agitator (12), and a filter screen (211) is provided on the cover shell (21).

4. The machine tool cooling pump according to claim 3, characterized in that: The cover shell (21) is provided with a threaded connection portion (212), and the connection portion (212) extends in the direction of the motor (1). The outer side of the pump body (2) is provided with a threaded connection column (22), and a connection piece (23) passes through the connection piece (23) and is arranged at the connection portion (212), so that the cover shell (21) and the pump body (2) are detachably connected.

5. The machine tool cooling pump according to claim 1, characterized in that: The motor (1) is provided with a controller (8), and the connecting pipe (5) is also provided with a pressure transmitter (9). The pressure transmitter (9) is located on one side of the pressure tank (6), and the pressure transmitter (9) is connected to the controller (8) by signal.

6. The machine tool cooling pump according to claim 5, characterized in that: The controller (8) and the motor (1) are both provided with a connection socket (A), and the connection socket (A) is used for plugging in a connection line.

7. The machine tool cooling pump according to claim 1, characterized in that: A skeleton oil seal (31) is provided between the motor (1) and the mounting plate (3).

8. The machine tool cooling pump according to claim 1, characterized in that: The pump body (2) comprises a pump casing and an impeller, wherein the pump casing comprises a first pump casing (24) capable of surrounding the impeller and a second pump casing (25) connected to the mounting plate (3), wherein the second pump casing (25) is integrally formed with the mounting plate (3).

9. The machine tool cooling pump according to claim 8, characterized in that: The liquid outlet (26) is integrally connected to the mounting plate (3) and is close to one side of the motor (1).

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