Refrigerant metering equipment for filling machine

Abstract

The utility model belongs to the technical field of refrigerant metering, and particularly relates to refrigerant metering equipment for a filling machine, which comprises a device base. A servo motor is installed on the side face of the device base. The output end of the servo motor is fixedly connected with a clamping screw rod; the clamping screw rod is rotationally connected to the inner surface wall of the device base; the inner surface wall of the device base is fixedly connected with a limiting rod; the outer surface wall of the clamping screw rod is in threaded connection with a movable block; the movable block is slidably connected with the limiting rod; the top of the movable block is fixedly connected with an abutting block. The top of the abutting block is rotationally connected with a roller column. A telescopic rod is fixedly connected to the inner bottom wall of the device base, and during working, a servo motor is arranged, so that after a clamping screw rod presenting mirror image threads along the middle part rotates, an abutting block is driven to jack up an auxiliary disc, and then a condensing agent storage tank firstly makes contact with the auxiliary disc when making contact with equipment; therefore, the precise measuring structure is prevented from being damaged by heavy pressure generated when the condensing agent storage tank is placed.

Description

Technical Field

[0001] The utility model belongs to the technical field of refrigerant metering, in particular to a refrigerant metering device for a filling machine. Background Art

[0002] The refrigerant metering equipment used in the filling machine mainly includes components such as a weighing base and a weighing structure, which are used to stably clamp the refrigerant tank and accurately measure the refrigerant.

[0003] At present, in the existing technology, CN216433202U is a refrigerant metering device for a filling machine, including a weighing seat, the top surface of the weighing seat is in contact with the refrigerant tank, the top surface of the weighing seat is fixedly installed with a slow lifting mechanism, the top surface of the slow lifting mechanism is fixedly installed with a clamping mechanism, the clamping mechanism includes a clamping ring, a connecting shaft slidably connected to the inner side of the clamping ring, an arc-shaped piece fixedly connected to one side of the connecting shaft and a pressure spring, one side of the pressure spring is fixedly connected to the inner side of the clamping ring; in the above scheme, by utilizing the setting of the weighing seat and the clamping mechanism, the refrigerant tank can be stably clamped by the clamping mechanism during the metering process, which is suitable for refrigerant tanks of different outer diameters. The metering of the refrigerant is achieved by weighing the load-bearing base plate, which effectively avoids the interference of changes in flow rate. At the same time, the setting of the pressure spring can not only ensure the stability of the clamping, but also play a shock-absorbing role, which is convenient for stable readings.

[0004] In the existing refrigerant metering equipment for filling machines, in actual situations, the mass of the refrigerant storage tank is heavy, so that when the refrigerant storage tank is placed, the gravity is concentrated on the metering weighing structure, thereby damaging the precise weighing structure. Therefore, to address the above problem, a refrigerant metering equipment for filling machines is proposed. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art, the present invention provides a refrigerant metering device for a filling machine.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the refrigerant metering device for a filling machine described in the utility model comprises a device base; a servo motor is installed on the side of the device base; the output end of the servo motor is fixedly connected to a clamping screw; the clamping screw is rotatably connected to the inner surface wall of the device base; the inner surface wall of the device base is fixedly connected to a limiting rod; the outer surface wall of the clamping screw is threadedly connected to a movable block; the movable block is slidably connected to the limiting rod; the top of the movable block is fixedly connected to an abutment block; the top of the abutment block is rotatably connected to a roller column; the inner bottom wall of the device base is fixedly connected to a telescopic rod; the top of the telescopic rod is fixedly connected to an auxiliary disk.

[0007] Preferably, the inner bottom wall of the device base is fixedly connected to a support block; the top of the support block is fixedly connected to a weighing base; and a weighing device is installed on the top of the weighing base.

[0008] Preferably, a preset sliding groove is provided on the inner bottom wall of the auxiliary tray; and a refrigerant placement groove is provided on the inner surface wall of the auxiliary tray.

[0009] Preferably, the inner surface wall of the auxiliary disk is threadedly connected to a limiting screw; one end of the limiting screw is fixedly connected to a knob.

[0010] Preferably, four limiting screws are provided; one end of each limiting screw is rotatably connected to an auxiliary block.

[0011] Preferably, a side surface of the auxiliary block is fixedly connected with an abutment plate; the abutment plate is made of a rubber plate.

[0012] Preferably, a heat dissipation groove is provided on the side of the device base; and a base groove is provided on the top of the device base.

[0013] Beneficial effects of the utility model:

[0014] The utility model provides a refrigerant metering device for a filling machine. By arranging a servo motor, a clamping screw with a mirror-image thread along the middle part is rotated, which drives an abutment block to lift the auxiliary disk, so that the condensate storage tank will first contact the auxiliary disk when contacting the device, thereby preventing the heavy pressure generated by the condensate storage tank when it is placed from damaging the precise measuring structure.

[0015] The utility model provides a refrigerant metering device for a filling machine. A clamping screw is provided, and the abutment plate is pushed by the rotation of the clamping screw, so that the abutment plate can play a limiting role. Compared with the traditional spring limit, the device is more stable and firm, and reduces the risk of the condenser storage tank moving at will during the metering process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0017] In the attached figure:

[0018] Figure 1 It is a three-dimensional diagram of the entire utility model;

[0019] Figure 2 It is a three-dimensional diagram of the auxiliary disk in the utility model;

[0020] Figure 3It is a three-dimensional diagram of the base of the device in the utility model;

[0021] Figure 4 It is an enlarged view of point A in the present utility model.

[0022] Legend:

[0023] 1. Device base; 2. Auxiliary plate; 3. Knob; 4. Limit screw; 5. Abutment plate; 6. Base groove; 7. Telescopic rod; 8. Weighing device; 9. Servo motor; 10. Clamping screw; 11. Limit rod; 12. Movable block; 13. Abutment block; 14. Roller column; 15. Weighing base; 16. Support block; 17. Heat dissipation groove; 18. Refrigerant placement groove; 19. Auxiliary block; 20. Preset slide groove. DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Specific examples are given below.

[0026] See also Figures 1-4 The utility model provides a refrigerant metering device for a filling machine, comprising a device base 1; a servo motor 9 is installed on the side of the device base 1; the output end of the servo motor 9 is fixedly connected to a clamping screw 10; the clamping screw 10 is rotatably connected to the inner surface wall of the device base 1; the inner surface wall of the device base 1 is fixedly connected to a limit rod 11; the outer wall of the clamping screw 10 is threadedly connected to a movable block 12; the movable block 12 is slidably connected to the limit rod 11; the top of the movable block 12 is fixedly connected to an abutment block 13; the top of the abutment block 13 is rotatably connected to a roller column 14; the inner bottom wall of the device base 1 is fixedly connected to a telescopic rod 7; The top of the telescopic rod 7 is fixedly connected with an auxiliary plate 2; when working, the refrigerant storage tank will first be placed on the auxiliary plate 2 for fixation, and then the servo motor 9 will be started, so that the clamping screw 10 with a mirrored thread along the middle part will rotate, driving the movable blocks 12 to move away from each other under the limit of the device base 1. At this time, the auxiliary plate 2 will slowly descend with the assistance of the roller column 14 until the auxiliary plate 2 is no longer abutted by the abutment block 13. At this time, the equipment can measure the weight of the inside of the refrigerant storage tank and the refrigerant inside it by removing the weight of the auxiliary plate 2 and its internal structure.

[0027] Further, such as Figure 2 and Figure 4As shown, the inner bottom wall of the device base 1 is fixedly connected to a support block 16; the top of the support block 16 is fixedly connected to a weighing base 15; a weighing device 8 is installed on the top of the weighing base 15; a preset slide groove 20 is provided on the inner bottom wall of the auxiliary disk 2; a refrigerant placement groove 18 is provided on the inner surface wall of the auxiliary disk 2; a limiting screw 4 is threadedly connected to the inner surface wall of the auxiliary disk 2; a knob 3 is fixedly connected to one end of the limiting screw 4; four limiting screws 4 are provided; one end of the limiting screw 4 is rotatably connected to an auxiliary block 19; the side of the auxiliary block 19 is fixedly connected to an abutment plate 5; the material of the abutment plate 5 is a rubber plate; a heat dissipation groove 17 is provided on the side of the device base 1; a base groove 6 is provided on the top of the device base 1. During operation, after the refrigerant storage tank is placed on the auxiliary plate 2, the limit screw 4 can be moved in the auxiliary plate 2 by rotating the knob 3, so that the abutment plate 5 can abut against the outer wall of the refrigerant storage tank, and at the same time play the role of limiting clamping to prevent the condenser storage tank from moving at will.

[0028] Working principle: The refrigerant storage tank will first be placed on the auxiliary plate 2 for fixation, and then the servo motor 9 will be started, so that the clamping screw 10 with a mirrored thread along the middle part will rotate, driving the movable blocks 12 to move away from each other under the limit of the device base 1. At this time, the auxiliary plate 2 will slowly descend with the assistance of the roller column 14 until the auxiliary plate 2 is no longer abutted by the abutment block 13. At this time, the equipment can measure the weight of the inside of the refrigerant storage tank and the refrigerant inside it by removing the weight of the auxiliary plate 2 and its internal structure. After the refrigerant storage tank is placed on the auxiliary plate 2, the limit screw 4 can be moved in the auxiliary plate 2 by rotating the knob 3, so that the abutment plate 5 can abut on the outer wall of the refrigerant storage tank, and at the same time play the role of limiting clamping to prevent the refrigerant storage tank from moving at will.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A refrigerant metering device for a filling machine, comprising a device base (1); characterized in that: A servo motor (9) is installed on the side of the device base (1); the output end of the servo motor (9) is fixedly connected to a clamping screw (10); the clamping screw (10) is rotatably connected to the inner surface wall of the device base (1); the inner surface wall of the device base (1) is fixedly connected to a limiting rod (11); the outer surface wall of the clamping screw (10) is threadedly connected to a movable block (12); the movable block (12) is slidably connected to the limiting rod (11); the top of the movable block (12) is fixedly connected to an abutting block (13); the top of the abutting block (13) is rotatably connected to a roller column (14); the inner bottom wall of the device base (1) is fixedly connected to a telescopic rod (7); the top of the telescopic rod (7) is fixedly connected to an auxiliary disk (2).

2. The refrigerant metering device for a filling machine according to claim 1, characterized in that: The inner bottom wall of the device base (1) is fixedly connected to a support block (16); the top of the support block (16) is fixedly connected to a weighing base (15); and a weighing device (8) is installed on the top of the weighing base (15).

3. The refrigerant metering device for a filling machine according to claim 1, characterized in that: The inner bottom wall of the auxiliary tray (2) is provided with a preset sliding groove (20); and the inner surface wall of the auxiliary tray (2) is provided with a refrigerant placement groove (18).

4. The refrigerant metering device for a filling machine according to claim 1, characterized in that: The inner surface wall of the auxiliary disk (2) is threadedly connected to a limiting screw (4); one end of the limiting screw (4) is fixedly connected to a knob (3).

5. The refrigerant metering device for a filling machine according to claim 4, characterized in that: Four limiting screws (4) are provided; one end of each limiting screw (4) is rotatably connected to an auxiliary block (19).

6. The refrigerant metering device for a filling machine according to claim 5, characterized in that: The side surface of the auxiliary block (19) is fixedly connected with an abutment plate (5); the abutment plate (5) is made of a rubber plate.

7. The refrigerant metering device for a filling machine according to claim 1, characterized in that: A heat dissipation groove (17) is provided on the side of the device base (1); and a base groove (6) is provided on the top of the device base (1).

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