Milling, fixing and clamping device for dynamic scroll plate of compressor for new energy automobile

Abstract

The utility model provides a milling fixed clamping device of compressor dynamic scroll plate for new energy automobile, including support block, lower base plate, cylinder and pneumatic support seat, a plurality of support block through bolt fixed connection in the bottom of lower base plate, a plurality of cylinder through bolt fixed connection in the top of lower base plate, pneumatic support seat through bolt fixed connection in the bottom of lower base plate. A telescopic rod is arranged at the movable end of the air cylinder, the top end of the telescopic rod is rotationally connected with a pressing plate, and the lower base plate is fixedly connected with a positioning table through a bolt. According to the utility model, the rubber sucking disc is used for neutralizing the clamping rigidity, effectively inhibiting resonance, reducing noise and solving the problem that the machining precision does not meet the requirement due to cutter vibration; the pneumatic supporting base on the side face applies proper air pressure in the finish machining process to support the vortex tail of the movable plate of the vortex plate, and therefore the problem of deformation cutter relieving caused by the fact that the vortex tail is too thin in the finish machining cutting process is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of machining scroll disks of compressors for new energy vehicles, in particular to a milling fixing clamping device for a movable scroll disk of a compressor for new energy vehicles. Background Art

[0002] The scroll disk is one of the most important parts in the scroll electric compressor. Due to its high motion accuracy requirements, the process control of machining, the core link of production, is relatively strict. It is very important to set up reasonable positioning benchmarks, fixtures, processing procedures, and analyze process errors. At present, the existing electric compressor moving scroll milling clamping device is positioned by positioning surfaces, cylindrical pins, and diamond pins, and is clamped by a pneumatic pressure plate. However, this type of milling clamping device usually has vibration and let-down of the cutter, resulting in the accuracy in production not meeting the requirements, and the consistency and stability of the same batch of products are poor;

[0003] When vibration occurs, the vibration of the tool, workpiece and lathe often causes harsh noise inside the factory, and the amplitude is more than tens of microns on one side, sometimes even up to more than 100 microns. This vibration not only causes the clamping of the tool or workpiece to become loose, but also has a negative physical and mental impact on the operator due to its high-decibel noise, and the processing accuracy cannot meet the requirements. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art and to propose a milling fixing clamping device for a compressor movable scroll plate for a new energy vehicle.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a milling fixing clamping device for a compressor movable scroll disk for new energy vehicles, comprising a support block, a lower base plate, a cylinder and a pneumatic support seat, a plurality of the support blocks are fixedly connected to the bottom of the lower base plate by bolts, a plurality of the cylinders are fixedly connected to the top of the lower base plate by bolts, the movable end of the cylinder is a telescopic rod, the top end of the telescopic rod is rotatably connected to a pressure plate, the lower base plate is fixedly connected to a positioning platform by bolts, the positioning platform comprises a cylindrical pin, a diamond pin, a positioning surface boss, a rubber suction cup, and the positioning The positioning surface boss is fixedly connected to the bottom of the lower base plate, the positioning surface boss is in the shape of a cylinder, the positioning surface boss is provided with a plurality of vertical slots, and the plurality of vertical slots are distributed in a ring array, the diamond pin is fixedly connected to the top of the positioning surface boss, the cylindrical pin is fixedly connected to the top of the positioning surface boss, an air guide groove is provided on the top of the cylindrical pin, a rubber suction cup is inlaid inside the air guide groove, a column is provided on one side of the positioning platform, the column is fixedly connected to the top of the lower base plate, and the pneumatic support seat is laterally fixedly connected to the outer surface of the column close to the positioning platform.

[0006] Preferably, the plurality of cylinders are distributed in a circular array with the central axis of the positioning surface boss as the center.

[0007] Preferably, the column is located between two cylinders.

[0008] Preferably, the height of the pneumatic support seat is higher than that of the rubber suction cup.

[0009] Preferably, a plurality of the support blocks are distributed in a rectangular array at the bottom of the lower substrate.

[0010] The utility model has the following beneficial effects:

[0011] 1. The milling fixing clamping device of the movable scroll disk of the compressor for new energy vehicles, the role of the rubber suction cup is to neutralize the clamping rigidity, which can effectively suppress resonance, reduce noise, and solve the problem that the machining accuracy does not meet the requirements caused by the vibration cutter.

[0012] 2. The milling fixing clamping device of the compressor movable scroll for new energy vehicles, the side pneumatic support seat applies appropriate air pressure during the finishing process to support the vortex tail of the movable scroll of the scroll, so as to solve the deformation and tool letting problem caused by the thin vortex tail being too thin during the finishing cutting process.

[0013] 3. The milling fixing clamping device of the movable scroll disk of the compressor for new energy vehicles has vertical grooves on three sides of the positioning table for chip removal, which prevents the accumulation and entanglement of aluminum chips, shortens the clamping time and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the connection between the rubber suction cup and the cylindrical pin of the utility model.

[0016] Among them, 1, support block; 2, lower base plate; 3a, cylinder; 3b, telescopic rod; 3c, pressure plate; 4, positioning table; 4a, cylindrical pin; 4b, diamond pin; 4c, positioning surface boss; 4d, rubber suction cup; 5a, column; 5b, pneumatic support seat. DETAILED DESCRIPTION

[0017] 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. Example

[0018] like Figure 1-2 As shown, the embodiment of the utility model provides a milling fixing clamping device for a compressor movable scroll for a new energy vehicle, comprising a support block 1, a lower base plate 2, a cylinder 3a and a pneumatic support seat 5b, wherein a plurality of support blocks 1 are fixedly connected to the bottom of the lower base plate 2 by bolts, a plurality of cylinders 3a are fixedly connected to the top of the lower base plate 2 by bolts, the movable end of the cylinder 3a is a telescopic rod 3b, the top end of the telescopic rod 3b is rotatably connected with a pressure plate 3c, the lower base plate 2 is fixedly connected with a positioning platform 4 by bolts, the positioning platform 4 forms a positioning device for positioning cooperation with the movable scroll, the positioning platform 4 comprises a cylindrical pin 4a, a diamond pin 4b, a positioning surface boss 4c, and a rubber suction cup 4d, and forms a positioning cooperation with the movable scroll through the cylindrical pin 4a, the diamond pin 4b, and the positioning surface boss 4c, the positioning surface boss 4c is fixedly connected to the bottom of the lower base plate 2, the positioning surface boss 4c is in the shape of a cylinder, the positioning surface boss 4c is provided with a plurality of vertical slots, and the positioning surface The three vertical grooves on the boss 4c are convenient for cleaning out the accumulated chips and cutting fluid on the positioning platform 4. Multiple vertical grooves are distributed in a circular array. The diamond pin 4b is fixedly connected to the top of the positioning surface boss 4c, and the cylindrical pin 4a is fixedly connected to the top of the positioning surface boss 4c. An air guide groove is provided on the top of the cylindrical pin 4a. The air guide groove on the cylindrical pin 4a is used to connect with the upper rubber suction cup 4d. The inside of the air guide groove is inlaid with a rubber suction cup 4d. The rubber suction cup 4d is used to adsorb the movable scroll and provide a shock-absorbing effect to suppress resonance. A column 5a is provided on one side of the positioning platform 4. The column 5a is fixedly connected to the top of the lower base plate 2, and a pneumatic support seat 5b is laterally fixedly connected to the outer surface of the column 5a close to the positioning platform 4. The pneumatic support seat 5b is used to press against the tail of the movable scroll with appropriate pressure during processing, so as to avoid deformation and tool letting problems caused by thin material in the processing part that is difficult to resist the pressure of the tool when processing to the tail.

[0019] A plurality of cylinders 3a are arranged in a circular array with the central axis of the positioning surface boss 4c as the center. The compressor movable scroll on the rubber suction cup 4d can be clamped by a plurality of pressure plates 3c, and the pressure plates 3c distributed in the circular array can effectively fix the compressor movable scroll to ensure its stability and safety during installation or removal; the column 5a is located between the two cylinders 3a, so that the pneumatic support seat 5b on the column 5a can apply appropriate air pressure to the compressor movable scroll; the height of the pneumatic support seat 5b is higher than the rubber suction cup 4d, so that when the compressor movable scroll is processed, the pneumatic support seat 5b can press against the vortex tail of the movable scroll on the rubber suction cup 4d with appropriate pressure; a plurality of support blocks 1 are distributed in a rectangular array at the bottom of the lower base plate 2, so that the support blocks 1 on the lower base plate 2 can stably support the entire milling fixing clamping device. This design not only improves the rigidity and strength of the device, but also ensures that there will be no shaking or displacement during the processing.

[0020] Working principle: When using the milling fixing clamping device of the movable scroll of the compressor for new energy vehicles, first start the cylinder 3a to rotate and rise the telescopic rod 3b on the cylinder 3a, so that the telescopic rod 3b drives the pressure plate 3c to move out of the upper projection surface of the positioning surface boss 4c, and then the operator places the semi-finished movable scroll on the positioning platform 4, and the movable scroll can be matched and positioned by the cylindrical pin 4a, the diamond pin 4b, and the positioning surface boss 4c, and at this time the rubber suction cup on the cylindrical pin 4a 4d firmly adsorbs the movable scroll disk. When the movable scroll disk is placed in place, the switch of the cylinder 3a is started to rotate and descend the telescopic rod 3b, and the telescopic rod 3b drives the pressure plate 3c to rotate to a certain angle until the end of the pressure plate 3c is pressed into place with the movable scroll disk. Then, the pneumatic support seat 5b on the column 5a is started to extend it to support the tail of the movable scroll disk, thereby completing the fixing and clamping of the movable scroll disk of the compressor for new energy vehicles, which is convenient for the subsequent milling of the movable scroll disk. The three vertical grooves on the positioning table 4 can be used for cutting.

[0021] 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 milling fixing clamping device for a compressor movable scroll for a new energy vehicle, comprising a support block (1), a lower base plate (2), a cylinder (3a) and a pneumatic support seat (5b), characterized in that: A plurality of the support blocks (1) are fixedly connected to the bottom of the lower base plate (2) by bolts, a plurality of the cylinders (3a) are fixedly connected to the top of the lower base plate (2) by bolts, the movable end of the cylinder (3a) is a telescopic rod (3b), the top end of the telescopic rod (3b) is rotatably connected to a pressure plate (3c), the lower base plate (2) is fixedly connected to a positioning platform (4) by bolts, the positioning platform (4) comprises a cylindrical pin (4a), a diamond pin (4b), a positioning surface boss (4c), and a rubber suction cup (4d), the positioning surface boss (4c) is fixedly connected to the bottom of the lower base plate (2), and the shape of the positioning surface boss (4c) is The positioning surface boss (4c) is provided with a plurality of vertical slots, and the plurality of vertical slots are distributed in a ring array. The diamond pin (4b) is fixedly connected to the top of the positioning surface boss (4c), and the cylindrical pin (4a) is fixedly connected to the top of the positioning surface boss (4c). The top of the cylindrical pin (4a) is provided with an air guide groove, and the inside of the air guide groove is inlaid with a rubber suction cup (4d). A column (5a) is provided on one side of the positioning platform (4), and the column (5a) is laterally fixedly connected to the top of the lower base plate (2). The pneumatic support seat (5b) is fixedly connected to the outer surface of the column (5a) close to the positioning platform (4).

2. The milling fixing clamping device for the movable scroll of a compressor for new energy vehicles according to claim 1 is characterized in that: The plurality of cylinders (3a) are distributed in a circular array with the central axis of the positioning surface boss (4c) as the center.

3. The milling fixing clamping device for the movable scroll of a compressor for new energy vehicles according to claim 1 is characterized in that: The column (5a) is located between the two cylinders (3a).

4. The milling fixing clamping device for the movable scroll of a compressor for new energy vehicles according to claim 1 is characterized in that: The height of the pneumatic support seat (5b) is higher than that of the rubber suction cup (4d).

5. The milling fixing clamping device for the movable scroll of a compressor for new energy vehicles according to claim 1 is characterized in that: A plurality of the support blocks (1) are distributed in a rectangular array at the bottom of the lower substrate (2).

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