Rotating disc type flat valve plate rivet pressing device

Abstract

The utility model discloses a rotating disc type flat valve plate press riveting device which comprises a rotating disc and a press riveting device body, a circle of rotating disc through holes are formed in the circumference of the rotating disc, first guide columns are arranged on the periphery of each rotating disc through hole, jigs are arranged on the first guide columns in a sliding and sleeved mode, and jig through holes corresponding to the rotating disc through holes are formed in the jigs. The rivet pressing device comprises an upper die base and a lower die which are located above and below the through hole of the rotary disc, the lower die comprises a rivet pressing head, a hydraulic cylinder and a jacking block, the rivet pressing head is installed on the jacking block, the jacking block is slidably arranged on the fixing frame through a longitudinal guide rail, the upper end face of the jacking block is connected with a baffle through an elastic piece, and the hydraulic cylinder is fixed to the bottom of the fixing frame. The end of a telescopic shaft of the hydraulic cylinder is connected with the jacking block and drives the jacking block to ascend and descend, the baffle can penetrate through the through hole of the rotary disc and eject the jig upwards, and when the elastic piece is compressed, the pressing rivet head can penetrate through the baffle. The rotary table feeding device is applicable to rotary table feeding, and components on the rotary table can be riveted without acting on the rotary table during riveting.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of riveting, especially a turntable type flat valve plate riveting device. BACKGROUND

[0002] As disclosed in the anti-rotation structure of a valve plate assembly in the authorized announcement of CN214533442U on October 29, 2021, the valve plate part, the valve piece part and the limiting plate of the valve plate assembly are integrated by press riveting bolts, and the flat valve plate is also integrated in the same way by the valve plate part 31, the valve piece part 32 and the limiting plate 33 through the press riveting bolt 34. The flat valve plate is processed by a press riveting device, the components of the flat valve plate are placed on the press riveting device in advance, and the press riveting head then performs a press riveting operation. The feeding to the press riveting device is mostly directly fed to the press riveting device, and after feeding, the manipulator gives way, the press riveting head is pressed down to rivet the product, and some flat valve plate components adopt a turntable feeding mode, the press riveting head directly acts on the turntable, however, the turntable cannot withstand the pressure generated when the press riveting head is pressed down, and if long-term operation is performed, the turntable will tilt, so that other stations cannot normally operate. SUMMARY

[0003] In order to overcome the above-mentioned defects, the purpose of the utility model is to provide a turntable type flat valve plate riveting device suitable for turntable feeding and not acting on the turntable during riveting.

[0004] In order to achieve the above purpose, one of the technical solutions adopted by the utility model is: a turntable type flat valve plate riveting device, comprising a turntable and a press riveting device arranged on one side of the turntable, a circle of turntable through holes is arranged on the circumference of the turntable, a first guide column is arranged around each turntable through hole, a jig is slidably sleeved on the first guide column, a jig through hole corresponding to the turntable through hole is formed in the jig, a second guide column is arranged on the jig, the press riveting device comprises an upper die seat and a lower die, a press riveting giving way groove is arranged on the lower end surface of the upper die seat, the press riveting giving way groove is located above the turntable through hole, the lower die comprises a press riveting head, a hydraulic cylinder and a jacking block, the press riveting head is located below the turntable through hole and is installed on the jacking block, the upper die seat and the jacking block are connected through a fixing frame, the jacking block is slidably arranged on the fixing frame through a longitudinal guide rail, an elastic member is connected to the upper end surface of the jacking block through a baffle, the hydraulic cylinder is fixed at the bottom of the fixing frame, the extension shaft end of the hydraulic cylinder is connected to the jacking block and drives the jacking block to ascend and descend, the baffle can pass through the turntable through hole and jack up the jig, and when the elastic member is compressed, the press riveting head can pass through the baffle.

[0005] The beneficial effects of the disc type flat valve plate riveting device are as follows: when the riveting device is operated, the hydraulic cylinder drives the lifting block to move upwards, the baffle is forced to move upwards, and the baffle passes through the disc hole of the disc during the upward movement and acts on the jig to move upwards along the first guide column, so that the flat valve plate assembly (valve plate part, valve piece part and limiting plate) on the jig is forced to move upwards as a whole, and the flat valve plate assembly is lifted to the riveting position slot of the upper die seat; when the hydraulic cylinder continues to act on the lifting block to move upwards, the elastic member is compressed, the baffle no longer moves upwards, the riveting head can pass through the baffle to act on the riveting position of the flat valve plate assembly to perform the riveting operation, after the riveting, the hydraulic cylinder is reset, the riveted flat valve plate assembly falls to the disc hole of the disc along the first guide column with the jig, the riveting operation is performed in the riveting position slot of the upper die seat, and the disc is not directly operated, so that the disc is protected and prevented from tilting, and the normal operation of other operation stations is ensured.

[0006] Preferably, the hydraulic cylinder further comprises a connecting piece and a clamping block, the end of the telescopic shaft of the hydraulic cylinder is threadedly connected with the connecting piece, the top of the connecting piece is provided with a flange, the clamping block is C-shaped and is locked on the bottom of the lifting block, the inner side of the clamping block is formed with a stepped clamping groove, and the flange can be clamped in the stepped clamping groove through translation. The telescopic shaft of the hydraulic cylinder is threadedly connected with the connecting piece, and the connecting piece is clamped with the clamping block, so that the hydraulic cylinder has the advantage of quick installation.

[0007] Preferably, the baffle is higher than the riveting head, the baffle is provided with a recess hole, and the recess hole is correspondingly arranged above and below the riveting head. The recess hole provides a space for the upward movement of the riveting head.

[0008] Preferably, the elastic member is a spring, the lower end surface of the baffle is fixedly connected with a connecting column, the connecting column is inserted into the lifting block and can slide up and down in the lifting block, and the spring is sleeved on the connecting column between the lifting block and the baffle. Under normal conditions, the spring forces the baffle to move upwards, so that the baffle is higher than the riveting head, the connecting column ensures that the spring is longitudinally arranged and provides longitudinal elastic force.

[0009] Preferably, the lower end of the riveting head is provided with a flange plate, and the flange plate is detachably locked on the lifting block. The riveting head can be replaced, and is suitable for riveting bolts of different specifications.

[0010] Preferably, the lifting block is detachably locked with a fixing block, the fixing block is provided with a second through hole through which the riveting head passes, the lower end of the fixing block provided with the second through hole is provided with a mounting position slot, and the flange plate is located in the mounting position slot. The fixing block can be replaced according to riveting heads of different specifications.

[0011] Preferably, the lower half of the fixing frame is provided with an upper limit position sensor and a lower limit position sensor. The upper limit position sensor and the lower limit position sensor are used to feed back the upper limit position and the lower limit position of the riveting head in real time. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a perspective view of the rotary table of the present embodiment;

[0013] Figure 2 is a perspective view of the rotary table cooperating with the flat valve plate of the present embodiment;

[0014] Figure 3 is a perspective view of the rotary table cooperating with the flat valve plate of the present embodiment;

[0015] Figure 4 is a perspective view of the rotary table of the present embodiment;

[0016] Figure 5 is a perspective view of the rotary table of the present embodiment; Figure 4 is an enlarged view of part A in the figure;

[0017] Figure 6 is a perspective view of the upper die holder of the present embodiment;

[0018] Figure 7 is an exploded view of the rotary table of the present embodiment.

[0019] in the figure:

[0020] 10, rotary table; 11, rotary table through hole; 12, first guide column; 13, jig; 14, jig through hole; 15, second guide column;

[0021] 20, rivet pressing device; 21, upper die holder; 22, rivet pressing allowance slot; 23, rivet pressing head; 24, hydraulic cylinder; 25, jacking block; 26, fixing frame; 27, longitudinal guide rail; 28, connecting piece; 29, clamping block; 210, flange; 211, stepped clamping groove; 212, baffle; 213, recess; 214, lower limit sensor; 215, connecting column; 216, spring; 217, flange plate; 218, fixing block; 219, second through hole; 220, allowance slot;

[0022] 31, valve plate part; 32, valve piece part; 33, limiting plate. DETAILED DESCRIPTION

[0023] The advantages and features of the present utility model will be more easily understood by those skilled in the art with the preferred embodiments of the present utility model being described in detail below in conjunction with the accompanying drawings, so that the protection scope of the present utility model can be more clearly defined.

[0024] Reference is made to Figures 1 to 7As shown, this embodiment discloses a turntable type flat valve plate riveting device 20, including a turntable 10, a riveting device 20 arranged on one side of the turntable 10, a circle of turntable through holes 11 are provided on the circumference of the turntable 10, and a first guide column 12 is provided around each turntable through hole 11. A jig 13 is slidably sleeved on the first guide column 12, and a jig through hole 14 corresponding to the turntable through hole 11 is opened on the jig 13. A second guide column 15 is provided on the jig 13. The riveting device 20 includes an upper die base 21 and a lower die. The lower end surface of the upper die base 21 is provided with a riveting clearance groove 22, and the riveting clearance groove 22 is located above the turntable through hole 11. The lower die includes a riveting head 23, a hydraulic cylinder 24, and a lifting block 25. The riveting head 23 is located below the turntable through hole 11 and is installed on the lifting block 25. 21 and the lifting block 25 are respectively connected to the upper and lower ends of the fixed frame 26. The upper die base 21 is fixed to the upper end of the fixed frame 26. The lifting block 25 is slidably set at the lower end of the fixed frame 26 through the longitudinal guide rail 27. The upper end surface of the lifting block 25 is connected to the baffle 212 through an elastic member. The baffle 212 is higher than the rivet head 23. A concave hole 213 is provided on the baffle 212. The concave hole 213 corresponds to the rivet head 23 up and down. The hydraulic cylinder 24 is fixed to the bottom of the fixed frame 26. The telescopic shaft end of the hydraulic cylinder 24 is connected to the lifting block 25 and drives the lifting block 25 to rise and fall. The baffle 212 can pass through the turntable through hole 11 and the upper jig 13. When the elastic member is compressed, the rivet head 23 can pass through the baffle 212. The lower half of the fixed frame 26 is provided with an upper limit sensor 221 and a lower limit sensor 214.

[0025] In some embodiments, the hydraulic cylinder 24 directly drives the lifting block 25 to move up and down;

[0026] In this embodiment, a connecting piece 28 and a clamping block 29 are also included. The end of the telescopic shaft of the hydraulic cylinder 24 is threadedly connected to the connecting piece 28. A circle of flange 210 is provided on the top of the connecting piece 28. The clamping block 29 is C-shaped and locked to the bottom of the jacking block 25. A stepped clamping groove 211 is formed on the inner side of the clamping block 29. The flange 210 can be clamped in the stepped clamping groove 211 by translation.

[0027] The elastic member in this embodiment is a spring 216. A connecting column 215 is fixed to the lower end surface of the baffle 212. The connecting column 215 is inserted into the lifting block 25 and can slide up and down in the lifting block 25. The spring 216 is sleeved on the connecting column 215 between the lifting block 25 and the baffle 212.

[0028] like Figure 7 As shown, the lower end of the rivet head 23 of this embodiment is provided with a flange 217 , and the flange 217 is detachably locked on the lifting block 25 .

[0029] The detachable locking connection of the jacking block 25 is provided with a fixing block 218, the fixing block 218 is provided with a second through hole 219 for the press-in head 23 to pass through, the lower end of the fixing block 218 provided with the second through hole 219 is provided with a mounting clearance groove 220, and the flange plate 217 is located in the mounting clearance groove 220.

[0030] The working principle of the embodiment is as follows:

[0031] The valve plate part 31, the valve piece part 32 and the limiting plate 33 are stacked on the jig 13 on the rotating disc 10 in advance, the valve plate part 31 is limited by the second guide column 15, the valve piece part 32 is placed in the groove on the upper end face of the valve plate part 31, and the limiting plate 33 is arranged above the valve piece part 32 and also located in the groove on the upper end face of the valve plate part 31. The rotating disc 10 rotates, the jig 13 drives the flat valve plate assembly to move to below the upper die seat 21, the hydraulic cylinder 24 drives the connecting piece 28 to move upwards, then the jacking block 25 is driven to move upwards through the clamping block 29, the baffle 212 is forced to move upwards, in the process of moving upwards, the baffle 212 first passes through the rotating disc through hole 11 and drives the jig 13 to move upwards along the first guide column 12, so that the flat valve plate assembly (the valve plate part, the valve piece part and the limiting plate) on the jig 13 moves upwards as a whole, and stops until the jacking block 25 is located in the press-in clearance groove 22 of the upper die seat 21, when the hydraulic cylinder 24 continues to drive the jacking block 25 to move upwards, the spring 216 is compressed, and the connecting column 215 slides towards the jacking block 25 (i.e. slides downwards), because the jacking block 25 is continuously raised, the baffle 212 no longer moves upwards, the press-in head 23 passes through the baffle 212 and then passes through the jig through hole 14, and acts on the press-in position of the flat valve plate assembly, so that the press-in operation is performed, after the press-in, the hydraulic cylinder 24 is reset, the flat valve plate assembly after the press-in is located above the rotating disc through hole 11 of the rotating disc 10 along the first guide column 12 with the jig, the rotating disc 10 rotates again and is transferred to the next station, and the press-in operation of the embodiment is performed in the press-in clearance groove 22 of the upper die seat 21, and the rotating disc 10 is not directly operated, so that the rotating disc 10 is protected and is prevented from tilting.

[0032] The above embodiment is only used for describing the technical concept and characteristics of the utility model, and the purpose is to enable the person skilled in the art to understand the content of the utility model and implement it, and cannot limit the protection scope of the utility model, and equivalent changes or modifications according to the spirit and essence of the utility model should be covered in the protection scope of the utility model.

Claims

1. A rotary disc type flat valve plate riveting device, comprising a rotary disc (10), a riveting device (20) arranged on one side of the rotary disc (10), characterized in that: The circumference of the rotating disc (10) is provided with a ring of rotating disc through holes (11), the periphery of each rotating disc through hole (11) is provided with a first guide column (12), a jig (13) is slidably sleeved on the first guide column (12), a jig through hole (14) corresponding to the rotating disc through hole (11) is formed in the jig (13), a second guide column (15) is arranged on the jig (13), the press riveting device (20) comprises an upper die seat (21) and a lower die, a press riveting allowing slot (22) is arranged on the lower end surface of the upper die seat (21), the press riveting allowing slot (22) is located above the rotating disc through hole (11), the lower die comprises a press riveting head (23), a hydraulic cylinder (24) and a jacking block (25), the press riveting head (23) is located below the rotating disc through hole (11) and is installed on the jacking block (25), the upper die seat (21) and the jacking block (25) are connected through a fixing frame (26), the jacking block (25) is slidably arranged on the fixing frame (26) through a longitudinal guide rail (27), an end surface of the jacking block (25) is connected with a baffle (212) through an elastic member, the hydraulic cylinder (24) is fixed on the bottom of the fixing frame (26), an extension shaft end of the hydraulic cylinder (24) is connected with the jacking block (25) and drives the jacking block (25) to ascend and descend, the baffle (212) can pass through the rotating disc through hole (11) and push up the jig (13), when the elastic member is compressed, the press riveting head (23) can pass through the baffle (212).

2. The rotary die plate press-riveter according to claim 1, wherein: Further comprising a connecting piece (28) and a clamping block (29), the extension shaft end of the hydraulic cylinder (24) is threadedly connected with the connecting piece (28), a ring of flanges (210) is arranged on the top of the connecting piece (28), the clamping block (29) is C-shaped and is locked on the bottom of the jacking block (25), a stepped clamping groove (211) is formed on the inner side of the clamping block (29), the flange (210) can be clamped in the stepped clamping groove (211) through translation.

3. The rotary die plate press-in apparatus according to claim 1, wherein: A recess (213) is arranged on the baffle (212), the recess (213) corresponds to the press riveting head (23) up and down, the baffle (212) is higher than the press riveting head (23).

4. The rotary die plate swaging apparatus of claim 3, wherein: The elastic member is a spring (216), a connecting column (215) is fixed on the lower end surface of the baffle (212), the connecting column (215) is inserted into the jacking block (25) and can slide up and down in the jacking block (25), the spring (216) is sleeved on the connecting column (215) between the jacking block (25) and the baffle (212).

5. The rotary die plate press-in apparatus according to claim 1, wherein: A flange plate (217) is arranged on the lower end of the press riveting head (23), the flange plate (217) is detachably locked on the jacking block (25).

6. The rotary die plate press-riveter according to claim 5, wherein: A fixing block (218) is detachably locked on the jacking block (25), a second through hole (219) through which the press riveting head (23) passes is arranged on the fixing block (218), an installation allowing slot (220) is arranged on the lower end of the fixing block (218) provided with the second through hole (219), the flange plate (217) is located in the installation allowing slot (220).

7. The rotary die plate press-riveter of claim 1 wherein: The lower half of the fixing frame (26) is provided with an upper limit sensor (221) and a lower limit sensor (214).

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