Compressor valve blanking die

Abstract

The present invention relates to the field of metal punching die technology, and in particular to a compressor valve plate punching die, comprising: a die frame, wherein the die frame is provided with a lower die; an upper punching assembly, wherein the upper punching assembly comprises a fixing mechanism, a driving mechanism one and an upper punch; a lower punching assembly, wherein the punching assembly comprises a triggering mechanism, a driving mechanism two and a lower punch; a cleaning assembly, wherein the cleaning assembly is arranged on the upper punch, and wherein the cleaning assembly comprises a detection mechanism and a blowing mechanism; the present invention can simultaneously complete two punching processes, realizes efficient integration and optimization of the production process, saves equipment floor space and operating costs, and improves the utilization rate and production efficiency of the production line; after completing the punching of the tongue spring gap, the upper punch further fixes the valve plate and cooperates with the fixing plate to form a blade shape, thereby facilitating the punching of the blade portion of the valve plate.

Description

Technical Field

[0001] The invention relates to the technical field of metal punching dies, in particular to a compressor valve sheet punching die. Background Art

[0002] The compressor valve is a key component installed inside the compressor, used to control the flow direction and pressure of gas or liquid. The precision of its design and manufacturing directly affects the performance and efficiency of the compressor. Figure 1 As shown, there are usually two ways to produce valve plates: (1) punching out the gap part and the knife edge part of the valve plate tongue spring at the same time; (2) punching out the gap part of the valve plate tongue spring first and then punching out the knife edge.

[0003] However, the above two methods still have the following obvious defects when used: when processing through method (1), although the processing speed is faster, two positions are punched at the same time, and the processing accuracy is low; when processing through method (2), although the processing accuracy is higher, the step-by-step punching requires multiple positioning of the valve plate, which is time-consuming and labor-intensive. Summary of the invention

[0004] The object of the present invention is to provide a compressor valve sheet punching die to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A compressor valve sheet punching die, comprising:

[0007] A mold frame, wherein the mold frame is provided with a lower mold;

[0008] An upper punching assembly, the upper punching assembly comprising a fixing mechanism, a driving mechanism 1 and an upper punch, the fixing mechanism being used to fix the valve sheet to the lower die, and the driving mechanism 1 being used to drive the upper punch to punch the valve sheet after the fixing is completed;

[0009] A lower punching assembly, the lower punching assembly comprising a trigger mechanism, a second drive mechanism and a lower punch, the trigger mechanism being used to trigger and open the second drive mechanism after the first drive mechanism completes the advancement of the upper punch, the second drive mechanism being used to drive the lower punch to punch the valve sheet; and

[0010] A cleaning component is arranged on the upper punch, and the cleaning component includes a detection mechanism and a blowing mechanism. The detection mechanism is used to detect the position of the blowing mechanism, and the blowing mechanism is used to clean the punching position of the valve sheet when the driving mechanism drives the upper punch to return.

[0011] Preferably, the mold frame includes a top plate, a bottom plate and a plurality of support columns, the top plate and the bottom plate are connected to each other via the support columns, and the lower mold is arranged on the bottom plate.

[0012] Preferably, the fixing mechanism includes a fixing plate and a fixing push rod, the fixing plate is connected to the top plate via the fixing push rod, the fixing plate is provided with a fixing groove having the same shape as the valve plate, and when the fixing plate fixes the valve plate, the valve plate will be clamped in the fixing groove.

[0013] Preferably, the fixing plate is provided with a socket corresponding to the upper punch, the driving mechanism 1 comprises a punching cylinder 1, the punching cylinder 1 is connected to the top plate, and the upper punch is connected to the punching cylinder 1 through the socket.

[0014] Preferably, the lower mold is provided with a waste cavity one interconnected with the bottom plate, the waste cavity one is provided with a punching hole one and a mounting hole one interconnected, the punching hole one is arranged corresponding to the upper punch, the mounting hole one is arranged corresponding to the lower punch, the driving mechanism two is arranged in the waste cavity one and is used to drive the lower punch to move along the mounting hole one, the fixed plate is provided with a waste cavity two, and the waste cavity two is provided with a mounting hole two corresponding to the lower punch.

[0015] Preferably, the second driving mechanism comprises a second punching cylinder, which is disposed in the first waste chamber and is used to drive the lower punch to move along the first mounting hole.

[0016] Preferably, the trigger mechanism includes a push-type switch, and the push-type switch is arranged in the waste chamber 1. When the punching cylinder 1 drives the upper punch to press against the push-type switch, the punching cylinder 2 will drive the lower punch to move.

[0017] Preferably, the detection mechanism comprises a distance sensor, and the distance sensor is used to detect the position of the upper punch.

[0018] Preferably, the upper punch is provided with an installation cavity, and the blowing mechanism includes a telescopic rod, a connecting pipe, a one-way air valve, an adapter block and a nozzle, the telescopic rod is arranged inside the punching cylinder, an adjustable air cavity is arranged inside the telescopic rod, the one-way air valve is arranged on a side wall of the punching cylinder, both ends of the connecting pipe are respectively connected to the air cavity and the one-way air valve, the air outlet end of the telescopic rod is connected to the adapter block, the nozzle is connected to the output end of the adapter, and the nozzle is arranged in the installation cavity.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: when the present application is used, the valve plate is fixed by a fixing mechanism, and then the upper punch is driven by a driving mechanism 1 to punch out the tongue spring gap portion of the valve plate. After the upper punch is pushed forward, the driving mechanism 1 stops for a while, at which time the upper punch is clamped in the tongue spring gap portion for further fixing the valve plate, and the upper punch triggers the driving mechanism 2 to drive the lower punch to punch out the blade position of the valve plate. After the punching is completed, the driving mechanism 1 and the driving mechanism 2 drive the upper punch and the lower punch to shrink synchronously, and when the detection mechanism detects that the cleaning mechanism is located at the punching position, the cleaning mechanism is started to clean the burrs at the punching position. The device has a compact structure and can complete two punching processes at the same time, thereby realizing efficient integration and optimization of the production process, saving equipment space and operating costs, and improving the utilization rate and production efficiency of the production line. After the punching of the tongue spring gap is completed, the upper punch further fixes the valve plate and cooperates with the fixing plate to form a blade shape, which facilitates the punching of the blade portion of the valve plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the compressor valve structure;

[0021] Figure 2 The axial structure of the present invention is schematically shown Figure 1 ;

[0022] Figure 3 Schematic diagram of the lower mold structure;

[0023] Figure 4 The axial structure of the present invention is schematically shown Figure 2 ;

[0024] Figure 5 The axial structure of the present invention is schematically shown Figure 3 ;

[0025] Figure 6 It is a schematic diagram of the connection structure between the upper punch and the fixed plate;

[0026] Figure 7 It is a front view structural schematic diagram of the present invention;

[0027] Figure 8 This is a schematic diagram of the front view structure of the lower mold;

[0028] Fig. 9 It is a schematic diagram of the connection structure of the upper punch and the fixed plate in front view and cross-section;

[0029] Fig.10 It is a schematic diagram of the structure of the middle section of the upper punch;

[0030] Fig.11 It is a schematic diagram of the structure of the lower end of the upper punch.

[0031] In the figure: 1 lower mold, 2 top plate, 3 bottom plate, 4 support column, 5 upper punch, 6 lower punch, 7 fixed plate, 8 fixed push rod, 9 punching cylinder 1, 10 waste cavity 1, 11 punching hole 1, 12 mounting hole 1, 14 waste cavity 2, 15 mounting hole 2, 16 punching cylinder 2, 17 push switch, 18 mounting cavity, 19 distance sensor, 20 telescopic rod, 21 connecting pipe, 22 one-way air valve, 23 adapter block, 24 nozzle, 100 valve plate, 101 tongue spring gap, 102 knife edge, 200 fixing groove. DETAILED DESCRIPTION

[0032] The following will be combined with the 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-11 , the present invention provides a technical solution:

[0034] A compressor valve plate punching die, as shown in the instruction manual Figure 2 As shown, including:

[0035] The mold frame is used to install other parts of the present application. The mold frame is provided with a lower mold 1, and the lower mold 1 is a concave mold; the mold frame includes a top plate 2, a bottom plate 3 and a plurality of support columns 4. The top plate 2 is used to install a punching cylinder 9, and the bottom plate 3 is used to install the lower mold 1. The top plate 2 and the bottom plate 3 are connected to each other through the support columns 4. In this embodiment, four support columns 4 are provided, and the lower mold 1 is fixedly connected to the bottom plate 3 by bolts.

[0036] The upper punching assembly includes a fixing mechanism, a driving mechanism 1 and an upper punch 5. The fixing mechanism is used to fix the valve sheet 100 to the lower die 1. The driving mechanism 1 is used to drive the upper punch 5 to punch the valve sheet 100 after the fixing is completed. The upper punch 5 is provided with a punch corresponding to the tongue spring gap 101 of the valve sheet 100.

[0037] A lower punching assembly, which includes a trigger mechanism, a second driving mechanism and a lower punch 6. The trigger mechanism is used to trigger and open the second driving mechanism after the first driving mechanism completes the advancement of the upper punch 5. The second driving mechanism is used to drive the lower punch 6 to punch the valve sheet 100. The lower punch 6 is provided with a convex mold corresponding to the contour line of the valve sheet 100; and

[0038] The cleaning component is arranged on the upper punch 5, and the cleaning component includes a detection mechanism and a blowing mechanism. The detection mechanism is used to detect the position of the blowing mechanism, and the blowing mechanism is used to clean the punching position of the valve sheet 100 when the driving mechanism drives the upper punch 5 to return.

[0039] The fixing mechanism includes a fixing plate 7 and a fixing push rod 8. The fixing plate 7 is used to fix the valve plate 100 when in use. The fixing plate 7 is connected to the top plate 2 through the fixing push rod 8. The fixing push rod 8 is an electric hydraulic push rod. The fixing plate 7 is provided with a fixing groove 200 of the same shape as the valve plate 100. Therefore, when the fixing plate 7 fixes the valve plate 100, the valve plate 100 will be clamped in the fixing groove 200.

[0040] The fixed plate 7 is provided with a socket corresponding to the upper punch 5, and the shape of the socket is the same as that of the upper punch 5. The driving mechanism includes a punching cylinder 9, which is a pneumatic cylinder. The punching cylinder 9 is used to drive the upper punch 5 for punching. The punching cylinder 9 is fixedly connected to the top plate 2, and the upper punch 5 is connected to the punching cylinder 9 through the socket.

[0041] The lower mold 1 is provided with a waste chamber 10 which is interconnected with the bottom plate 3. The waste chamber 10 is used to store the waste generated by the punching of the upper punch 5 and is also used to install the punching cylinder 2 16. The waste chamber 10 is provided with a punching hole 11 and a mounting hole 12 which are interconnected. The mounting hole 12 is used to install the lower punch 6. The punching hole 11 and the upper punch 5 are correspondingly arranged. The shape of the punching hole 11 is the same as the shape of the punching position of the upper punch 5. The mounting hole 12 is arranged corresponding to the lower punch 6. The mounting hole 12 and the mounting hole 2 15 have the same shape. The driving mechanism 2 is arranged in the waste chamber 10 and is used to drive the lower punch 6 to move along the mounting hole 12. The fixed plate 7 is provided with a waste chamber 2 14. The waste chamber 2 14 is used to store the waste generated by the punching of the lower punch 6. The waste chamber 2 14 is provided with a mounting hole 2 15 which is arranged corresponding to the lower punch 6.

[0042] The driving mechanism 2 includes a punching cylinder 2 16 , which is also a pneumatic cylinder. The lower punch 6 is fixedly connected to the punching cylinder 2 16 . The punching cylinder 2 16 is arranged in the waste chamber 10 and is used to drive the lower punch 6 to move along the mounting hole 12 .

[0043] The trigger mechanism includes a push switch 17, which is a self-resetting switch. Therefore, after the upper punch 5 releases the pressure on the push switch 17, the push switch 17 will be set at the fixed end of the punching cylinder 16. When the punching cylinder 19 drives the upper punch 5 to press against the push switch 17, the punching cylinder 16 will drive the lower punch 6 to move. As shown in the figure in the specification, the contact end of the push switch 17 and the punching cylinder is a trapezoidal structure. The position of the push switch 17 is much lower than the air outlet of the upper punch 5. Therefore, the movable end of the push switch 17 will not be inserted into the air outlet during resetting.

[0044] The detection mechanism includes a distance sensor 19, which is a docking infrared distance measuring sensor. The transmitting end of the distance sensor 19 is arranged on the side wall of the upper punch 5, and the receiving end of the distance sensor 19 is arranged inside the fixing plate 7. When the transmitting end and the receiving end of the distance sensor 19 are docked with each other, the nozzle 24 will open to clean the punching position. Fig. 9 The reference numerals 19 in the middle respectively point to the transmitting end and the receiving end of the distance sensor 19 .

[0045] The upper punch 5 is provided with an installation cavity 18, and the installation cavity 18 and the inner cavity of the punching cylinder 9 are connected to each other. The blowing mechanism includes a telescopic rod 20, a connecting pipe 21, a one-way air valve 22, a transfer block 23 and a nozzle 24. The telescopic rod 20 is arranged inside the punching cylinder 9. The telescopic rod 20 is a hollow structure. An air cavity of adjustable size is arranged inside the telescopic rod 20. The one-way air valve 22 is arranged on the side wall of the punching cylinder 9. The one-way air valve 22 is used to ensure that the airflow can only flow into the telescopic rod 20 in one direction. The connecting pipe The two ends of 21 are respectively fixedly connected to the air cavity and the one-way air valve 22, the air outlet of the air outlet end of the telescopic rod 20 is connected to the adapter block 23, the nozzle 24 is connected to the air outlet of the output end of the adapter, the nozzle 24 is arranged in the installation cavity 18, and the nozzle 24 is provided with an opening valve. When the transmitting end and the receiving end of the distance sensor 19 are connected to each other, the opening valve of the nozzle 24 will open. As shown in the figure of the specification, the output end of the nozzle 24 is connected to the air outlet of the upper punch 5 to perform air flow impact cleaning on the punching position.

[0046] Working principle: When in use, the valve sheet 100 that has not been punched is placed in the fixing groove of the lower mold 1, and then the fixing push rod 8 is started to fix the valve sheet 100. After the valve sheet 100 is fixed, the punching cylinder 9 is started, and the punching cylinder 9 will drive the upper punch 5 to punch the tongue spring gap 101 of the valve sheet 100. After the upper punch 5 enters the punching hole 11, the push switch 17 is triggered and the punching cylinder 2 16 is started. At this time, the punching cylinder 9 stops and further fixes the valve sheet 100. The punching cylinder 16 is pressed. Cylinder 16 will drive the lower punch 6 to punch the blade 102 of the valve plate 100. After the punching cylinder 16 completes the punching, the punching cylinder 1 9 and the punching cylinder 2 16 will shorten at the same time. When the punching cylinder 1 9 drives the upper punch 5 to move, the telescopic rod 20 will extend. At this time, the air flow will enter the inner cavity of the telescopic rod 20. When the punching cylinder 1 9 contracts, the gas in the telescopic rod 20 will be compressed. When the transmitting end and the receiving end of the distance sensor 19 are connected to each other, the nozzle 24 will be turned on to clean the burrs at the punching position.

[0047] 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 compressor valve sheet punching die, characterized in that: include: A mold frame, wherein the mold frame is provided with a lower mold; An upper punching assembly, the upper punching assembly comprising a fixing mechanism, a driving mechanism 1 and an upper punch, the fixing mechanism being used to fix the valve sheet to the lower die, and the driving mechanism 1 being used to drive the upper punch to punch the valve sheet after the fixing is completed; A lower punching assembly, the lower punching assembly comprising a trigger mechanism, a second driving mechanism and a lower punch, the trigger mechanism being used to trigger and open the second driving mechanism after the first driving mechanism completes the advancement of the upper punch, and the second driving mechanism being used to drive the lower punch to punch the valve sheet; as well as A cleaning assembly, the cleaning assembly is arranged on the upper punch, the cleaning assembly comprises a detection mechanism and a blowing mechanism, the detection mechanism is used to detect the position of the blowing mechanism, and the blowing mechanism is used to clean the punching position of the valve sheet when the driving mechanism drives the upper punch to return; The mold frame includes a top plate, a bottom plate and a plurality of support columns, the top plate and the bottom plate are connected to each other through the support columns, and the lower mold is arranged on the bottom plate; The fixing mechanism comprises a fixing plate and a fixing push rod, wherein the fixing plate is connected to the top plate through the fixing push rod, and the fixing plate is provided with a fixing groove having the same shape as the valve plate, and when the fixing plate fixes the valve plate, the valve plate will be clamped in the fixing groove; The fixing plate is provided with a socket corresponding to the upper punch, the driving mechanism 1 comprises a punching cylinder 1, the punching cylinder 1 is connected to the top plate, and the upper punch passes through the socket and is connected to the punching cylinder 1; The lower die is provided with a waste cavity 1 interconnected with the bottom plate, the waste cavity 1 is provided with a punching hole 1 and a mounting hole 1 interconnected with each other, the punching hole 1 is provided corresponding to the upper punch, the mounting hole 1 is provided corresponding to the lower punch, the driving mechanism 2 is provided in the waste cavity 1 and is used to drive the lower punch to move along the mounting hole 1, the fixed plate is provided with a waste cavity 2, and the waste cavity 2 is provided with a mounting hole 2 corresponding to the lower punch; The second driving mechanism comprises a second punching cylinder, which is disposed in the first waste chamber and is used to drive the lower punch to move along the first mounting hole; The trigger mechanism includes a push switch, which is arranged in the first waste chamber. When the first punching cylinder drives the upper punch to press against the push switch, the second punching cylinder drives the lower punch to move. The upper punch is provided with an installation cavity, and the blowing mechanism includes a telescopic rod, a connecting pipe, a one-way air valve, an adapter block and a nozzle. The telescopic rod is arranged inside the punching cylinder, and an adjustable air cavity is arranged inside the telescopic rod. The one-way air valve is arranged on a side wall of the punching cylinder, and both ends of the connecting pipe are respectively connected to the air cavity and the one-way air valve, the air outlet end of the telescopic rod is connected to the adapter block, the nozzle is connected to the output end of the adapter, and the nozzle is arranged in the installation cavity.

2. A compressor valve sheet punching die according to claim 1, characterized in that: The detection mechanism comprises a distance sensor, and the distance sensor is used to detect the position of the upper punch.

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