Diaphragm type air spring trimming device

Abstract

The utility model discloses a membrane type air spring trimming device which comprises a machine frame and a bearing plate capable of ascending and descending in the machine frame, a servo lifting mechanism used for driving the bearing plate to ascend and descend is arranged in the machine frame, and a cutter mechanism is arranged on the upper portion of the machine frame. A placing disc is rotationally mounted on the bearing plate, a positioning seat corresponding to the leather bag is arranged on the placing disc, and a driving motor for driving the placing disc to rotate is mounted at the lower end of the bearing plate; the cutter mechanism is provided with a trimming cutter, the upper portion of the machine frame is provided with an upper limiting disc corresponding to the trimming cutter, the upper limiting disc is provided with an avoiding hole corresponding to the cutter, and the lower end of the upper limiting disc is provided with a follower wheel corresponding to the leather bag. The leather bag trimming device is novel in design, simple in structure, capable of guaranteeing trimming precision during leather bag trimming, capable of improving trimming quality, capable of reducing trimming defects, convenient to remodel, low in remodel cost and good in compatibility.

Description

TECHNICAL FIELD

[0001] The utility model relates to air spring processing technical field especially relates to a membrane type air spring trimming device. BACKGROUND

[0002] Air spring is widely used in vehicle suspension system, industrial vibration isolation equipment and other dynamic load scenes, and the membrane type air spring has good flexibility, vibration isolation capacity and good mute effect, and has good operation capacity for use scenes of frequent adjustment or long stroke movement.

[0003] The membrane type air spring is composed of the elastic diaphragm of multilayer rubber and curtain cloth and metal end cover and support plate, after the rubber bladder processing, need to trim the orifice edge, and the current trimming device mostly can only carry out the adjustment of XZ axle cutter, and the adaptability of trimming the bladder of different models is poor, and it is inconvenient to control the trimming depth of the bladder, and uneven roughness of the cut is prone to cause, and trimming precision is not easy to control. UTILITY MODEL CONTENTS

[0004] The utility model discloses a membrane type air spring trimming device, which solves the problems of poor adaptability of trimming the bladder of different models, uneven roughness of the cut and difficult control of trimming precision in the prior art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A membrane type air spring trimming device, comprising a rack and a support plate in the rack, the rack is provided with a servo lifting mechanism for driving the support plate to lift, and the upper part of the rack is provided with a cutter mechanism;

[0007] A placing disc is rotatably installed on the support plate, and a positioning seat is arranged on the placing disc corresponding to the bladder, and a driving motor is installed at the lower end of the support plate for driving the placing disc to rotate;

[0008] The cutter mechanism is provided with a trimming knife, an upper limiting disc is arranged on the upper part of the rack corresponding to the trimming knife, an avoiding hole is arranged on the upper limiting disc corresponding to the cutter, and a follow-up wheel is arranged on the lower end of the upper limiting disc corresponding to the bladder.

[0009] Preferably, the cutter mechanism further comprises an X-axis feed assembly installed on the upper end of the rack, a Z-axis feed assembly rotatably connected with the X-axis feed assembly and an angle adjusting assembly for adjusting the installation angle of the Z-axis feed assembly, and the trimming knife is installed on the Z-axis feed assembly.

[0010] Preferably, the rack is provided with a workbench, a top plate arranged above the workbench and a plurality of vertical columns fixedly connected between the two, a plurality of sliding sleeves are slidably arranged on the vertical columns, and the sliding sleeves are embedded on the support plate.

[0011] More preferably, the servo lifting mechanism comprises a servo motor vertically mounted on the top plate, a lead screw connected to the output end of the servo motor, and a threaded support threadedly connected to the lead screw, the threaded support being fixedly embedded in the supporting plate.

[0012] Further preferably, the lower end of the lead screw is rotatably connected to a rotating seat, and the rotating seat is fixedly mounted on the workbench.

[0013] Further preferably, a limiting support is arranged on the lead screw corresponding to the supporting plate, and a locking bolt at a locking position is arranged on the limiting support.

[0014] Preferably, a vertical rod is vertically arranged on one side of the rack, and a plurality of position sensors are arranged on the vertical rod corresponding to the supporting plate.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. In the utility model, the angle of the XZ-axis feed and the Z-axis feed of the trimming knife can be adjusted, which meets the trimming requirements of different types of pouches and ensures good compatibility of trimming different types of pouches.

[0017] 2. In the utility model, when different types of pouches are trimmed, the corresponding placement disc and upper limiting disc can be replaced, and then the height of the supporting plate and the feed position are adjusted according to the actual product size to complete the adjustment, which greatly facilitates the model change of the trimming equipment and saves the model change cost.

[0018] 3. In the utility model, the rising position of the supporting plate is accurately controlled, which ensures sufficient trimming and avoids the problem of trimming defects caused by excessive rising and curling of the film wall, ensures the trimming precision and smoothness of the cutout, and improves the trimming processing quality of the pouch.

[0019] The utility model has novel design, simple structure, ensures the trimming precision when the pouch is trimmed, improves the trimming quality, reduces the generation of trimming defects, and has the advantages of convenient model change, low model change cost, and good compatibility. DRAWINGS

[0020] Figure 1 It is a schematic view of the appearance structure of the utility model.

[0021] Figure 2 It is a schematic view of the rear structure of the utility model.

[0022] Figure 3 It is a front view schematic view of the utility model.

[0023] Figure 4 It is a schematic view of the placement disc structure of the utility model.

[0024] Figure 5 It is the upper limit position disc of the utility model bottom view schematic diagram.

[0025] Figure 6 It is the cutting knife mechanism structure schematic diagram of the utility model.

[0026] In the drawing: workbench 1, top plate 2, stand column 3, supporting plate 4, sliding sleeve 41, servo lifting mechanism 5, servo motor 51, screw rod 52, threaded support 53, rotating seat 54, limiting support 55, placing disc 6, positioning seat 61, driving motor 62, upper limit position disc 7, avoiding hole 71, follow-up wheel 72, cutting knife mechanism 8, X-axis feeding assembly 81, Z-axis feeding assembly 82, angle adjusting assembly 83, trimming knife 84, position sensor 9, vertical rod 91. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] Referring to Figures 1-6 A kind of trimming device of diaphragm type air spring, including frame and the supporting plate 4 of frame liftable, the servo lifting mechanism 5 for driving supporting plate 4 lifting is arranged in the frame, and cutting knife mechanism 8 is arranged on the upper portion of frame.Supporting plate 4 is used to place bladder, and servo lifting mechanism 5 is used to drive supporting plate 4 to lift, and bladder is lifted to cutting knife mechanism 8, and cutting knife mechanism 8 is used to cut flash of bladder.

[0029] The placing disc 6 is rotatably installed on the supporting plate 4, and the positioning seat 61 is arranged on the placing disc 6 corresponding to the bladder, and the driving motor 62 for driving the placing disc 6 to rotate is installed on the lower end of the supporting plate 4;The lower end of the bladder is generally provided with a docking cavity for installation, and the corresponding placing disc 6 is arranged according to different air spring models, and the positioning seat 61 is arranged on the placing disc 6 corresponding to the docking cavity, so that the bladder can be accurately and stably placed on the placing disc 6.In trimming, the bladder on the placing disc 6 is driven to rotate by the driving motor 62, so that the cutting knife mechanism 8 can conveniently trim.

[0030] The cutting knife mechanism 8 is provided with trimming knife 84, and the upper limit position disc 7 is arranged on the upper portion of the frame corresponding to the trimming knife 84, the avoiding hole 71 is formed in the upper limit position disc 7 corresponding to the trimming knife 84, and the follow-up wheel 72 is arranged on the lower end of the upper limit position disc 7 corresponding to the bladder.The upper end of the bladder is pressed and limited by the upper limit position disc 7, the follow-up wheel 72 assists the rotation of the bladder when it rotates, and the side wall of the bladder is tensioned, so that the trimming of the bladder is facilitated.

[0031] Based on the above technical scheme, when the flash trimming process of the air spring bag is carried out, the bag product is placed on the placing disc 6 and is positioned and clamped by the positioning seat 61, then the servo lifting mechanism 5 is started to drive the supporting plate 4 to rise, the upper hole of the bag is pressed at the lower end of the upper limiting disc 7, the upper hole of the bag is positioned by the plurality of follow-up wheels 72, and the bag film wall is tensioned, the cutter mechanism 8 is started to drive the trimming cutter 84 to extend into the avoiding hole 71, the inner hole of the bag is trimmed in coordination with the rotation of the placing disc 6, and after the trimming is completed, each part is reset to complete the trimming process. Through the positioning of the positioning seat 61 on the bag, the upper hole of the bag is positioned and the bag film wall is tensioned by the follow-up wheels 72, the position of the flash trimming can be ensured to be accurate, the knife edge is smooth and neat, and the processing quality of the air spring is ensured.

[0032] When trimming different models of bags, the corresponding placing disc 6 and upper limiting disc 7 can be replaced, so that good adaptability to trimming different models of bags is ensured, and model changing and machine adjusting are facilitated.

[0033] In the technical scheme, as shown in Figures 1-6 , the cutter mechanism 8 further comprises an X-axis cutter assembly 81 installed at the upper end of the rack, a Z-axis cutter assembly 82 rotationally connected with the X-axis cutter assembly 81, and an angle adjusting assembly 83 for adjusting the installation angle of the Z-axis cutter assembly 82, and the trimming cutter 84 is installed on the Z-axis cutter assembly 82. The X-axis cutter assembly 81 and the Z-axis cutter assembly 82 can be selected from a linear servo motor or a servo lead screw. The angle adjusting assembly 83 can be selected from a manual angle adjusting mode, and when trimming different models of bags, manual adjustment can be performed. Through the adjustment of the XZ axis and the angle adjustment design of the Z-axis cutter assembly 82, the compatibility of different models of bags is greatly ensured, different angle trimming requirements can be met, and the incision is smooth.

[0034] In the technical scheme, as shown in Figures 1-3 , the rack is provided with a workbench 1, a top plate 2 arranged above the workbench 1, and a plurality of vertical columns 3 fixedly connected between the workbench 1 and the top plate 2, a plurality of sliding sleeves 41 are slidingly arranged on the vertical columns 3, and the sliding sleeves 41 are embedded on the supporting plate 4. The structure stability of the rack is ensured by the plurality of vertical columns 3, the stable sliding of the supporting plate 4 is promoted by the sliding sleeves 41, the stable positioning of the bag is ensured, and the trimming precision is improved.

[0035] In the technical scheme, as shown in Figures 1-3As shown, the servo lifting mechanism 5 includes a servo motor 51 vertically mounted on the top plate 2, a lead screw 52 connected to the output end of the servo motor 51, and a threaded support 53 threadedly connected to the lead screw 52, which is fixedly embedded in the support plate 4. Through the structure of the ball screw, the efficient movement and structural strength of the support plate 4 during lifting are ensured, and the stable lifting of the bladder is ensured. The servo motor 51 ensures the accurate lifting of the support plate 4. The lower end of the lead screw 52 is rotatably connected to a rotating seat 54, which is fixedly installed on the workbench 1. The rotating seat 54 reduces the bounce of the lead screw 52 during rotation and improves the stability during rotation.

[0036] In the technical solution, as shown in the drawings, Figures 1-3 The lead screw 52 is provided with a limiting support 55 corresponding to the support plate 4, and the limiting support 55 is provided with a locking bolt at the locking position. The position of the support plate 4 is positioned by the limiting support 55, and the rising position of the bladder is positioned, so as to avoid the situation that the bladder membrane wall is curled due to insufficient or excessive rising of the bladder, ensure that the bladder can be fully trimmed and avoid cutting defects, and ensure good trimming precision and trimming quality.

[0037] In the technical solution, as shown in the drawings, Figures 1-3 A plurality of position sensors 9 are arranged on the vertical rod 91 corresponding to the support plate 4. The position of the support plate 4 is monitored by the position sensor 9, which further ensures the rising position of the support plate 4 and ensures the accurate trimming of the bladder.

[0038] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacements or changes to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A device for trimming the edge of a diaphragm air spring, comprising a frame and a support plate (4) in the frame which is liftable, characterized in that The rack is provided with a servo lifting mechanism (5) for driving the lifting of the supporting plate (4), and the upper part of the rack is provided with a cutter mechanism (8); The supporting plate (4) is rotatably provided with a placing disc (6), the placing disc (6) is provided with a positioning seat (61) corresponding to the skin bag, and the lower end of the supporting plate (4) is provided with a driving motor (62) for driving the rotation of the placing disc (6); The cutter mechanism (8) is provided with a trimming knife (84), and the upper part of the rack is provided with an upper limiting disc (7) corresponding to the trimming knife (84), the upper limiting disc (7) is provided with an avoiding hole (71) corresponding to the trimming knife (84), and the lower end of the upper limiting disc (7) is provided with a follower wheel (72) corresponding to the skin bag.

2. The film air spring trimming device of claim 1, wherein, The cutter mechanism (8) further comprises an X-axis feed assembly (81) installed on the upper end of the rack, a Z-axis feed assembly (82) rotatably connected with the X-axis feed assembly (81), and an angle adjusting assembly (83) for adjusting the installation angle of the Z-axis feed assembly (82), and the trimming knife (84) is installed on the Z-axis feed assembly (82).

3. The device of claim 1, wherein: The rack is provided with a workbench (1), a top plate (2) arranged above the workbench (1), and a plurality of columns (3) fixedly connected between the two, a plurality of sliding sleeves (41) are slidably arranged on the columns (3), and the sliding sleeves (41) are embedded on the supporting plate (4).

4. The device of claim 3, wherein: The servo lifting mechanism (5) comprises a servo motor (51) vertically installed on the top plate (2), a lead screw (52) connected to the output end of the servo motor (51), and a threaded support (53) threadedly connected with the lead screw (52), and the threaded support (53) is fixedly embedded on the supporting plate (4).

5. The device of claim 4, wherein: The lower end of the lead screw (52) is rotatably connected with a rotating seat (54), and the rotating seat (54) is fixedly installed on the workbench (1).

6. The device of claim 4, wherein: The lead screw (52) is provided with a limiting support (55) corresponding to the supporting plate (4), and the limiting support (55) is provided with a locking bolt in the locking position.

7. The device of claim 1, wherein: The rack is vertically provided with a vertical rod (91) on one side, and a plurality of position sensors (9) are arranged on the vertical rod (91) corresponding to the supporting plate (4).

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