Positioning tool for compressor cylinder cover production

Abstract

A positioning tool for compressor cylinder cover production comprises a base, a rotating shaft is rotationally arranged on the inner wall of the lower side of the base, the upper end of the rotating shaft penetrates through the upper side wall of the base and is fixedly connected with a containing frame, the outer walls of the two sides of the containing frame are each fixedly connected with two sleeves, pistons are arranged in the sleeves, and push rods are fixedly connected to the side walls, close to the containing frame, of the pistons. And the other end of the push rod extends into the placing frame and is fixedly connected with a positioning plate. Compared with the prior art, the device has the advantages that the interior of the sleeve can be pressurized through the arranged pressurizing mechanism, so that the push rod pushes the positioning plate to be close to the cylinder cover, after the positioning plate makes contact with the cylinder cover, the pressure sensor senses pressure and then transmits a signal to the PLC, the PLC controls the electromagnetic valve corresponding to the sleeve to be closed, and the cylinder cover is opened. When all the electromagnetic valves are closed, positioning of the cylinder cover can be completed, cylinder covers of different shapes can be positioned, and the positioning speed is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to compressor cylinder cover production technical field, especially a kind of positioning tool for compressor cylinder cover production. BACKGROUND

[0002] ‌Compressor cylinder cover‌ It is an important component in compressor, and its main function is to protect the cylinder, piston, connecting rod and other parts inside the compressor, to prevent oil, water or dust and other impurities from entering the cylinder and causing machine failure. During production, the cylinder cover needs to be fixed by positioning tool for processing.

[0003] Chinese patent with publication number CN211072633U discloses a positioning tool for compressor cylinder cover production, a frame, the frame includes four linear steel components distributed in a square shape, at least two compression screw holes are formed in each of the four side walls of the frame, and at least two of the four linear steel components have a positioning pin at the bottom; a compression member is threadedly connected with the compression screw hole and is perpendicular to the side wall of the frame; an annular frame is fixed to the inner wall of the frame by four connecting arms, and the inner wall of the annular frame is provided with an internal thread; a positioning ring is provided with an external thread on the outer wall thereof, which cooperates with the internal thread; a positioning sleeve is fixed to the middle position of the positioning ring by a fixing arm, and a positioning hole is formed in the middle position of the positioning sleeve.

[0004] The positioning tool described above needs to be rotated one by one to compress the cylinder cover during use, which consumes a lot of time and is troublesome during positioning. How to quickly position the cylinder cover with different shapes has become a problem to be solved. Utility model content

[0005] The main purpose of the utility model is to provide a positioning tool for compressor cylinder cover production, which can effectively solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows: a positioning tool for compressor cylinder cover production, comprising a base, a rotating shaft is rotatably arranged on the lower inner wall of the base, the upper end of the rotating shaft penetrates through the upper side wall of the base and is fixedly connected with a placing frame, two sleeves are fixedly connected on the outer walls of both sides of the placing frame, a piston is arranged in each sleeve, a push rod is fixedly connected on the side wall of the piston close to the placing frame, the other end of the push rod extends into the placing frame and is fixedly connected with a positioning plate, and a pressing mechanism is arranged on the outside of the placing frame.

[0007] As a further description of the above technical scheme, the pressurizing mechanism comprises a micro air pump, a pressurizing pipe, a pressure relief cap, a fixing rod, a communication pipe and a solenoid valve, the micro air pump is installed on the front side outer wall of the placing frame, the placing frame is provided with the pressurizing pipe on the outer side, the pressurizing pipe is fixedly connected with the placing frame through the fixing rod, one end of the pressurizing pipe is in communication with the output end of the micro air pump and the other end is threadedly connected with the pressure relief cap, four communication pipes are in communication with the pressurizing pipe, the other end of the communication pipe is in communication with the inside of the sleeve, and the solenoid valve is installed on the communication pipe.

[0008] As a further description of the above technical scheme, the worm gear is fixedly arranged on the rotating shaft, the worm is rotatably connected to the inner wall of one side of the base and is engaged with the worm gear, and the other end of the worm penetrates through the other side wall of the base and is fixedly connected with the knob.

[0009] As a further description of the above technical scheme, the rubber pad is arranged on the side wall of the positioning plate away from the push rod.

[0010] As a further description of the above technical scheme, the reset spring is arranged between the side wall of the piston close to the placing frame and the sleeve.

[0011] As a further description of the above technical scheme, the pressure sensor is installed on the center of the side wall of the positioning plate away from the push rod.

[0012] As a further description of the above technical scheme, the PLC controller is arranged on the front side outer wall of the base, and the micro air pump and the solenoid valve are electrically connected with the PLC controller.

[0013] As a further description of the above technical scheme, the placing plate is arranged at the center of the lower side inner wall of the placing frame.

[0014] Compared with the prior art, the compressor cylinder cover positioning tool has the following beneficial effects:

[0015] 1. The pressurizing mechanism can pressurize the inside of the sleeve, so that the push rod pushes the positioning plate to be close to the cylinder cover, after the positioning plate contacts the cylinder cover, the pressure sensor senses the pressure and transmits a signal to the PLC controller, the PLC controller controls the solenoid valve corresponding to the sleeve to be closed, and after all the solenoid valves are closed, the positioning of the cylinder cover can be completed, different shapes of cylinder covers can be positioned, and the positioning speed is fast. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the compressor cylinder cover positioning tool;

[0017] Figure 2 It is a sleeve sectional view of the compressor cylinder cover positioning tool;

[0018] Figure 3 It is the base internal structure schematic view of the utility model of a compressor cylinder cover production positioning tool;

[0019] Figure 4 It is the positioning plate structure schematic view of the utility model of a compressor cylinder cover production positioning tool;

[0020] In the figure: 1, base; 2, rotating shaft; 3, placing frame; 4, sleeve; 41, piston; 42, push rod; 43, positioning plate; 5, pressurizing mechanism; 51, micro air pump; 52, pressurizing pipe; 521, pressure relief cap; 53, fixed rod; 54, communication pipe; 55, electromagnetic valve; 21, worm wheel; 11, worm; 12, knob; 431, rubber pad; 44, return spring; 432, pressure sensor; 6, PLC controller; 31, placing plate. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, achieve the purpose of the utility model easy to understand, the following will be further described in conjunction with specific embodiments.

[0022] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] Please refer to Figures 1-4The utility model provides a kind of positioning tool for compressor cylinder cover production, including base 1, the lower side inner wall of base 1 is rotatably equipped with shaft 2, the upper end of shaft 2 passes through the upper side wall of base 1 and is fixedly connected with placing frame 3, two sleeve 4 are fixedly connected on the both sides outer wall of placing frame 3, piston 41 is equipped in sleeve 4, piston 41 is fixedly connected with push rod 42 on the side wall close to placing frame 3, the other end of push rod 42 extends into placing frame 3 and is fixedly connected with positioning plate 43, the outside of placing frame 3 is equipped with pressure mechanism 5, under the action of pressure mechanism 5, piston 41 can drive push rod 42 to move, to make positioning plate 43 close to cylinder cover.

[0025] Specifically, as shown in Figure 1 A kind of positioning tool for compressor cylinder cover production, pressure mechanism 5 includes micro air pump 51, pressurizing pipe 52, pressure relief cap 521, fixed rod 53, communication pipe 54 and solenoid valve 55, micro air pump 51 is installed on the front side outer wall of placing frame 3, placing frame 3 is equipped with pressurizing pipe 52, pressurizing pipe 52 is fixedly connected together with placing frame 3 by fixed rod 53, one end of pressurizing pipe 52 is communicated with the output end of micro air pump 51 and another end is screwed with pressure relief cap 521, pressure relief cap 521 can relieve pressure to sleeve 4, so that the pressure in sleeve 4 is released through pressurizing pipe 52, after release, positioning plate 43 can be reset, four communication pipes 54 are communicated on pressurizing pipe 52, the other end of communication pipe 54 is connected with the inside of sleeve 4, solenoid valve 55 is installed on communication pipe 54, micro air pump 51 can compress air into pressurizing pipe 52, so that air enters each sleeve 4 through communication pipe 54, to move piston 41, solenoid valve 55 can control the on-off of communication pipe 54, when positioning plate 43 contacts cylinder cover, solenoid valve 55 will be closed, so that air pressure no longer enters corresponding sleeve 4.

[0026] Specifically, as shown in Figure 3 A kind of positioning tool for compressor cylinder cover production, worm gear 21 is fixedly sleeved on shaft 2, the inside wall of one side of base 1 is rotatably connected with the worm 11 engaged with worm gear 21, the other end of worm 11 passes through the other side wall of base 1 and is fixedly connected with knob 12, rotating knob 12 can drive worm 11 to rotate, worm 11 rotation can make worm gear 21 drive shaft 2 to rotate, to make placing frame 3 rotate, change the orientation of cylinder cover, facilitate processing, more flexible.

[0027] Specifically, as shown in Figure 4 A kind of positioning tool for compressor cylinder cover production, rubber pad 431 is equipped on the side wall away from push rod 42 of positioning plate 43, can avoid causing abrasion when clamping cylinder cover.

[0028] Specifically, as shown in Figure 2As shown, a positioning fixture for compressor cylinder head production has a return spring 44 between the piston 41 near the side wall of the placement frame 3 and the sleeve 4. After depressurization, the return spring 44 can push the piston 41 to return to its original position, thereby releasing the cylinder head from the positioning plate 43.

[0029] Specifically, such as Figure 4 As shown, a positioning fixture for compressor cylinder head production has a pressure sensor 432 installed at the center of the side wall of the positioning plate 43 away from the push rod 42. The pressure sensor 432 can sense whether the positioning plate 43 is in contact with the cylinder head.

[0030] Specifically, such as Figure 1 As shown, a positioning fixture for compressor cylinder head production is provided with a PLC controller 6 on the front outer wall of the base 1. The micro air pump 51 and the solenoid valve 55 are electrically connected to the PLC controller 6, and the PLC controller 6 can control the micro air pump 51 and the solenoid valve 55.

[0031] Specifically, such as Figure 1 As shown, a positioning fixture for compressor cylinder head production has a placement plate 31 at the center of the lower inner wall of the placement frame 3 for placing the cylinder head to be processed.

[0032] It should be noted that this utility model is a positioning fixture for compressor cylinder head production. In use, the cylinder head is placed on the placement plate 31 within the placement frame 3. Then, the micro air pump 51 is activated via the PLC controller 6. The micro air pump 51 supplies air to the pressurization pipe 52, and the air enters each sleeve 4 through the connecting pipe 54. Under the action of air pressure, the piston 41 pushes the push rod 42 to move, and the push rod 42 moves the positioning plate 43, causing the positioning plate 43 to move closer to the cylinder head. When the positioning plate 43 contacts the cylinder head, the pressure sensor 432 senses it and transmits a signal to the PLC controller 6. The PLC controller 6 then controls the solenoid valve 55 corresponding to that sleeve 4 to close, preventing air from entering that sleeve. Within 4, the remaining positioning plates 43 continue to approach the cylinder head until all positioning plates 43 are in contact with the cylinder head. At this point, all solenoid valves 55 will close, and the micro air pump 51 will also close. The positioning of the cylinder head is then complete. During the machining process, the worm gear 11 can be rotated by turning the knob 12. The rotation of the worm gear 11 can cause the worm wheel 21 to rotate the rotating shaft 2, thereby rotating the placement frame 3 and changing the orientation of the cylinder head for easier and more flexible machining. After machining is completed, the pressure relief cap 521 is unscrewed, and all solenoid valves 55 are opened through the PLC controller 6. The air pressure is discharged through the pressure pipe 52. Under the action of the return spring 44, the piston 41 drives the push rod 42 to return to its original position, thereby releasing the positioning plates 43 from the cylinder head.

[0033] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A positioning tool for compressor cylinder head production, comprising a base (1), characterized in that: The lower inner wall of the base (1) is rotationally provided with a rotating shaft (2), the upper end of the rotating shaft (2) penetrates through the upper wall of the base (1) and is fixedly connected with a placing frame (3), two sleeves (4) are fixedly connected to the outer walls of the two sides of the placing frame (3), a piston (41) is arranged in the sleeve (4), the piston (41) is fixedly connected with a push rod (42) on the side wall close to the placing frame (3), the other end of the push rod (42) extends into the placing frame (3) and is fixedly connected with a positioning plate (43), and the outer side of the placing frame (3) is provided with a pressurizing mechanism (5).

2. The positioning tool for producing a compressor cylinder head according to claim 1, characterized in that: The pressurizing mechanism (5) comprises a micro air pump (51), a pressurizing pipe (52), a pressure relief cap (521), a fixing rod (53), a communication pipe (54) and a solenoid valve (55), the micro air pump (51) is installed on the front outer wall of the placing frame (3), the outer side of the placing frame (3) is provided with the pressurizing pipe (52), the pressurizing pipe (52) is fixedly connected with the placing frame (3) through the fixing rod (53), one end of the pressurizing pipe (52) is in communication with the output end of the micro air pump (51) and the other end is threadedly connected with the pressure relief cap (521), four communication pipes (54) are communicated on the pressurizing pipe (52), the other end of the communication pipe (54) is in communication with the inside of the sleeve (4), and the communication pipe (54) is installed with the solenoid valve (55).

3. The positioning tool for producing a compressor cylinder head according to claim 1, characterized in that: The rotating shaft (2) is fixedly provided with a worm wheel (21), one side inner wall of the base (1) is rotationally connected with a worm (11) engaged with the worm wheel (21), and the other end of the worm (11) penetrates through the other side wall of the base (1) and is fixedly connected with a knob (12).

4. The positioning tool for producing a compressor cylinder head according to claim 1, characterized in that: The side wall, away from the push rod (42), of the positioning plate (43) is provided with a rubber pad (431).

5. The positioning tool for producing a compressor cylinder head according to claim 1, characterized in that: A return spring (44) is arranged between the side wall, close to the placing frame (3), of the piston (41) and the sleeve (4).

6. The positioning tool for producing a compressor cylinder head according to claim 2, characterized in that: A pressure sensor (432) is installed on the center of the side wall, away from the push rod (42), of the positioning plate (43).

7. The positioning tool for producing a compressor cylinder head according to claim 6, characterized in that: A PLC controller (6) is arranged on the front outer wall of the base (1), and the micro air pump (51) and the solenoid valve (55) are electrically connected with the PLC controller (6).

8. The positioning tool for producing a compressor cylinder head according to claim 1, characterized in that: A placing plate (31) is arranged on the center of the lower inner wall of the placing frame (3).

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