Punching mechanism for horn EVA foam

Abstract

The utility model relates to the field of punching mechanisms, in particular to a punching mechanism for horn EVA (ethylene vinyl acetate) foam, which comprises a rack, a roller type transmission component connected onto the rack, a driving motor connected with the roller type transmission component through a chain, a mounting plate arranged on the rack, a support frame connected onto the mounting plate, a connecting plate connected onto the support frame through a guide rail, and a punching mechanism connected onto the connecting plate. The supporting frame is arranged on the connecting plate, a driving air cylinder is arranged on the supporting frame, the connecting plate is detachably connected with a punching plate used for punching EVA foam, connecting notches are formed in the edge of the connecting plate, and connecting rods matched with the connecting notches in number and position are arranged on the punching plate. The punching plate can be hung on the connecting plate through the locking screw sleeve, the phenomenon of handheld lifting is reduced, the punching plate can be conveniently connected and installed, the punching plate can be conveniently and rapidly replaced according to different punching requirements, and the connecting rod and the locking screw sleeve are arranged to further enhance the stability and safety of connection between the punching plate and the connecting plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch mechanism field, concretely relates to a punch mechanism of horn EVA bubble cotton. BACKGROUND

[0002] EVA bubble cotton, as a kind of environmental protection and multifunctional material, because of its good buffering, anticollision, heat insulation, moisture-proof, chemical corrosion resistance and other characteristics, has been widely applied in multiple fields.First, in the field of sound equipment, horn EVA bubble cotton is often used as sound insulation, shock-absorbing material of sound system, can effectively improve sound quality and reduce resonance.In addition, EVA bubble cotton also has extensive application, including but not limited to interior decoration of vehicles and ships, in the field of construction, in the field of industry, such as chemical industry, oil equipment insulation, and horn EVA bubble cotton is also often seen in the manufacturing of household appliances.

[0003] With the wide application of horn EVA bubble cotton in various fields, the requirement for its processing precision is also increasing.Punching, as an important link in the processing process, its efficiency and precision directly affect the quality and cost of the final product.The existing horn EVA bubble cotton punching mechanism is mainly composed of punching table, outer support frame, pressing mechanism and punching mechanism and other parts.Among them, the pressing mechanism is responsible for fixing EVA bubble cotton material on the workbench to prevent movement during punching process;The punching mechanism drives the punch to carry out punching operation through the driving device.

[0004] However, this structure meets the basic punching demand to some extent, but there are still many deficiencies in actual application, and with the diversification of product design and the increase of personalized demand, the traditional punching mechanism is not easy to adapt to EVA bubble cotton materials of different specifications and different shapes, therefore, it is usually necessary to replace the corresponding punching plate according to the demand, and the connecting structure of the existing punching mechanism for the punching plate is relatively complex, and the lifting of the punching plate generally needs to be lifted and connected, which leads to complicated operation and is not easy to disassemble and install conveniently, thereby affecting the installation and use of the punching plate, and is not conducive to the punching quality and installation efficiency of the punching plate. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above defects, providing a kind of punch mechanism of horn EVA bubble cotton, to solve the technical problem that the adaptability of punching plate in the above background technology is poor, and the existing punching plate is not easy to install and disassemble conveniently, thereby affecting the punching quality and installation efficiency of the punching plate.

[0006] The utility model aims at solving the above defects, providing a kind of punch mechanism of horn EVA bubble cotton, to solve the technical problem that the adaptability of punching plate in the above background technology is poor, and the existing punching plate is not easy to install and disassemble conveniently, thereby affecting the punching quality and installation efficiency of the punching plate.

[0007] The utility model provides a kind of punching mechanism of loudspeaker EVA bubble cotton, including rack, for conveying EVA bubble cotton Roll type transmission component is connected on the rack, Roll type transmission component is connected with the drive motor for driving rotation feeding by chain, the mounting plate is provided on the rack, the support frame is connected on the mounting plate, the connecting plate is connected on the support frame by guide rail, and the drive cylinder for driving connecting plate to move up and down along guide rail is provided on the support frame, the stamping plate for punching EVA bubble cotton is detachably connected on the connecting plate, more than two connecting slots are opened in the edge of connecting plate, connecting rod is provided on the stamping plate, and the number and position of connecting rod are matched with connecting slot, connecting rod is connected on the stamping plate by pivot, so that connecting rod can rotate along the outer surface of pivot and be matched with connecting slot, locking nut is provided on connecting rod for locking connecting plate and stamping plate, and connecting plate is connected with stamping plate by multiple bolts.

[0008] Further in the above description, the mounting plate is provided with two, and the two mounting plates are symmetrically distributed on the two sides of the rack, and the side of the mounting plate extending to the roll type transmission component is formed with a limiting baffle by bending, so that the limiting baffles of the two mounting plates are used for limiting the EVA bubble cotton.

[0009] Further in the above description, the mounting plate is provided with two, and the two mounting plates are symmetrically distributed on the two sides of the rack, and the side of the mounting plate extending to the roll type transmission component is formed with a limiting baffle by bending, so that the limiting baffles of the two mounting plates are used for limiting the EVA bubble cotton.

[0010] Further in the above description, the mounting plate is provided with two, and the two mounting plates are symmetrically distributed on the two sides of the rack, and the side of the mounting plate extending to the roll type transmission component is formed with a limiting baffle by bending, so that the limiting baffles of the two mounting plates are used for limiting the EVA bubble cotton.

[0011] Further in the above description, the mounting plate is provided with two, and the two mounting plates are symmetrically distributed on the two sides of the rack, and the side of the mounting plate extending to the roll type transmission component is formed with a limiting baffle by bending, so that the limiting baffles of the two mounting plates are used for limiting the EVA bubble cotton.

[0012] Further in the above description, the mounting plate is provided with two, and the two mounting plates are symmetrically distributed on the two sides of the rack, and the side of the mounting plate extending to the roll type transmission component is formed with a limiting baffle by bending, so that the limiting baffles of the two mounting plates are used for limiting the EVA bubble cotton.

[0013] Further in the above description, the mounting plate is provided with two, and the two mounting plates are symmetrically distributed on the two sides of the rack, and the side of the mounting plate extending to the roll type transmission component is formed with a limiting baffle by bending, so that the limiting baffles of the two mounting plates are used for limiting the EVA bubble cotton.

[0014] Further in the above description, the connecting notches are provided with four, and the four connecting notches are symmetrically distributed on both sides of the connecting plate, the stamping plate is provided with four rotating shafts, and one connecting rod is rotatably connected to each rotating shaft.

[0015] The utility model discloses the beneficial effects of: through detachably connecting stamping plate with connecting plate, it is convenient to replace stamping plate according to different punching needs, improve the adaptability and flexibility of stamping, and it is convenient to maintain and replace stamping plate, through the rotating of connecting rod along rotating shaft, and the connecting distance of adjusting lock nut and connecting rod is matched with the thickness of connecting plate, so that it will be matched with connecting rod and connecting notch, and stamping plate can be hung on connecting plate through lock nut, reduce the phenomenon of handheld lifting, so that it can be conveniently connected and installed, through the locking of corresponding lock nut of diagonal locking, lock nut is locked along connecting rod, and stamping plate and connecting plate are locked quickly through bolt, thereby reducing the lifting support action of stamping plate, improve the safety of connection, and the further enhancement of the connecting strength between stamping plate and connecting plate that sets up connecting rod and lock nut ensures the stability and safety of connection, and then enhances the stability and accuracy of punching, improves the efficiency of dismounting and installing stamping plate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the perspective view of left view angle of this embodiment;

[0017] Figure 2 It is the perspective view of right view angle of this embodiment;

[0018] Figure 3 It is Figure 2 The partial enlarged view of A in the middle;

[0019] Figure 4 It is the partial structure schematic view of this embodiment;

[0020] Figure 5 It is the connecting structure schematic view of stamping plate in this embodiment;

[0021] The reference signs in the drawing are as follows: 1 - rack, 2 - roller type transmission assembly, 3 - drive motor, 4 - mounting plate, 5 - support frame, 6 - guide rail, 7 - connecting plate, 8 - drive cylinder, 9 - stamping plate, 10 - connecting notch, 11 - connecting rod, 12 - rotating shaft, 13 - lock nut, 14 - limiting stop, 15 - rolling roller, 16 - leveling cylinder, 17 - connecting hole, 18 - guide column, 19 - cushion block, 20 - buffer spring, 100 - tensioner, 101 - support seat, 102 - slide rail, 103 - tensioning block. DETAILED DESCRIPTION

[0022] The utility model discloses the beneficial effects of: through detachably connecting stamping plate with connecting plate, it is convenient to replace stamping plate according to different punching needs, improve the adaptability and flexibility of stamping, and it is convenient to maintain and replace stamping plate, through the rotating of connecting rod along rotating shaft, and the connecting distance of adjusting lock nut and connecting rod is matched with the thickness of connecting plate, so that it will be matched with connecting rod and connecting notch, and stamping plate can be hung on connecting plate through lock nut, reduce the phenomenon of handheld lifting, so that it can be conveniently connected and installed, through the locking of corresponding lock nut of diagonal locking, lock nut is locked along connecting rod, and stamping plate and connecting plate are locked quickly through bolt, thereby reducing the lifting support action of stamping plate, improve the safety of connection, and the further enhancement of the connecting strength between stamping plate and connecting plate that sets up connecting rod and lock nut ensures the stability and safety of connection, and then enhances the stability and accuracy of punching, improves the efficiency of dismounting and installing stamping plate. DETAILED DESCRIPTION

[0022] The utility model discloses the beneficial effects of: through detachably connecting stamping plate with connecting plate, it is convenient to replace stamping plate according to different punching needs, improve the adaptability and flexibility of stamping, and it is convenient to maintain and replace stamping plate, through the rotating of connecting rod along rotating shaft, and the connecting distance of adjusting lock nut and connecting rod is matched with the thickness of connecting plate, so that it will be matched with connecting rod and connecting notch, and stamping plate can be hung on connecting plate through lock nut, reduce the phenomenon of handheld lifting, so that it can be conveniently connected and installed, through the locking of corresponding lock nut of diagonal locking, lock nut is locked along connecting rod, and stamping plate and connecting plate are locked quickly through bolt, thereby reducing the lifting support action of stamping plate, improve the safety of connection, and the further enhancement of the connecting strength between stamping plate and connecting plate that sets up connecting rod and lock nut ensures the stability and safety of connection, and then enhances the stability and accuracy of punching, improves the efficiency of dismounting and installing stamping plate.

[0023] The embodiment, refer to Figures 1-5 The specific implementation of a horn EVA foam punching mechanism, including frame 1, frame 1 is connected with the roller transmission assembly 2 for conveying EVA foam, roller transmission assembly 2 through the chain is connected with the drive motor 3 for driving rotation feeding, the frame 1 is provided with mounting plate 4, mounting plate 4 is connected with support frame 5, support frame 5 is connected with the connecting plate 7 through the guide rail 6, and support frame 5 is provided with drive cylinder 8 for driving connecting plate 7 along the guide rail 6 to move up and down, the connecting plate 7 is detachably connected with the punch plate 9 for punching EVA foam, the edge of connecting plate 7 is provided with four connecting slots 10, the punch plate 9 is provided with connecting rod 11 matched with the number and position of connecting slots 10, the punch plate 9 is connected with connecting rod 11 through the shaft 12, so that connecting rod 11 can rotate along the outer surface of the shaft 12 and match with connecting slots 10, connecting rod 11 is provided with locking nut 13 for locking connecting plate 7 and punch plate 9, connecting plate 7 is connected with punch plate 9 through four bolts.

[0024] The mounting plate 4 is provided with two, and the two mounting plates 4 are symmetrically distributed on both sides of the frame 1, the side of the mounting plate 4 extending to the roller transmission assembly 2 is formed with a limiting baffle 14 by bending, so that the limiting baffle 14 of the two mounting plates 4 is used for limiting the EVA foam. Specifically, the limiting baffle 14 formed by bending can limit the EVA foam plate on the roller transmission assembly 2, so that the EVA foam can be stably conveyed along the roller transmission assembly 2, the displacement deviation is reduced, and the stability of conveying is improved.

[0025] The mounting plate 4 is connected with two tensioners 100, and the two tensioners 100 are connected with the rolling roller 15 for pressing the EVA foam, and the tensioner 100 is provided with the leveling cylinder 16 for driving the rolling roller 15 to approach the roller transmission assembly 2. Specifically, the rolling roller 15 is driven by the leveling cylinder 16 to roll the EVA foam, so as to reduce the upward bending phenomenon of the EVA foam and enhance the quality and efficiency of subsequent punching.

[0026] The rolling roller 15 is provided with two, and the two rolling rollers 15 are symmetrically distributed with the support frame 5 as the central axis. The two rolling rollers 15 are arranged to roll and flatten the two ends of the EVA foam, further enhancing the conveying stability of the EVA foam and the quality of punching.

[0027] The tensioner 100 is composed of a support base 101, a sliding rail 102 and a tension block 103, the support base 101 is installed on the mounting plate 4, the sliding rail 102 is installed on the inner side of the support base 101, the tension block 103 is connected with the sliding rail 102 through the sliding groove, the end of the rolling roller 15 is connected with the tension block 103, and the telescopic shaft of the leveling cylinder 16 penetrates through the support base 101 and is connected with the tension block 103. The setting of the leveling cylinder 16 can drive the rolling roller 15 to adjust the rolling of the EVA foam by driving the tension block 103, so that the rolling and leveling of EVA foam of different thicknesses can be applied.

[0028] The guide rail 6 is installed on the inner side of the support frame 5, the end of the connecting plate 7 is connected with the guide rail 6 through the guide groove, so that the connecting plate 7 can slide along the guide rail 6, the connecting hole 17 for connecting the stamping plate 9 is arranged on the connecting plate 7, the fixing hole matched with the connecting hole 17 is arranged on the stamping plate 9, and the connecting rod 11 is connected with the locking sleeve 13 through threads. The connecting plate 7 is connected and installed with the fixing hole on the stamping plate 9 through the connecting hole 17 and the bolt, so as to further enhance the stability and reliability of the installation of the connecting plate 7 and the stamping plate 9.

[0029] Two guide columns 18 are connected with the connecting plate 7 through the shaft sleeve, the two guide columns 18 are symmetrically distributed at the two ends of the connecting plate 7, one end of the guide column 18 is connected with the support frame 5, the other end of the guide column 18 penetrates through the connecting plate 7 and is connected with the pad 19, and the buffer spring 20 is sleeved on the guide column 18. The guide column 18 is arranged to further enhance the stable lifting and stamping action of the connecting plate 7 under the driving of the driving cylinder 8, and improve the stability and accuracy of the stamping.

[0030] The four connecting notches 10 are symmetrically distributed on the two sides of the connecting plate 7, the four rotating shafts 12 are arranged on the stamping plate 9, and one connecting rod 11 is rotatably connected to each rotating shaft 12. The connecting rod 11 enters the connecting notch 10 along the rotating shaft 12, and the locking sleeve 13 is hung on the connecting plate 7, so that the connecting plate 7 and the stamping plate 9 can be conveniently connected and installed by bolts in the subsequent process, and the locking sleeve 13 is further locked, thereby improving the stability of the connection.

[0031] In this embodiment, the roller type conveying assembly 2 is composed of seven rollers, and the seven rollers are connected through connecting chains, so that the driving motor 3 can drive the seven rollers to roll and feed.

[0032] The specific use principle in the embodiment is that when the locking sleeve 13 is adjusted to rotate along the threads of the connecting rod 11 and is greater than the thickness of the connecting plate 7, the top surface of the stamping plate 9 abuts against the bottom surface of the connecting plate 7, the connecting rod 11 is turned into the connecting slot 10, the locking sleeve 13 is hung on the top of the connecting plate 7, the stamping plate 9 can be conveniently connected and installed, after the bolt is locked and connected through the connecting hole 17 and the fixing hole, the locking sleeve 13 is tightened, the stability of the connection between the connecting plate 7 and the stamping plate 9 is further enhanced, the stamping plate 9 is conveniently replaced according to different punching requirements through the detachable connection, the adaptability and flexibility of stamping are improved, the maintenance and replacement of the stamping plate 9 are facilitated, and the efficiency of dismounting and mounting the stamping plate 9 is improved;

[0033] The external EVA foam is introduced into the roller transmission assembly 2 on the rack 1, and under the rotation of the roller transmission assembly 2 driven by the driving motor 3, the EVA foam is conveyed to the lower side of the stamping plate 9, the two sides of the EVA foam are limited by the limiting edges 14 arranged on the two sides, the stability of the EVA foam conveying is enhanced, the rolling and flattening cylinder 16 drives the tensioning block 103 to drive the rolling cylinder 15 to roll and flatten the EVA foam, and then the stability and accuracy of the punching are enhanced, the driving cylinder 8 drives the connecting plate 7 to descend along the length direction of the guide rail 6 and the guide column 18, so that the stamping plate 9 punches the EVA foam, and the punching quality is further improved.

[0034] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as above, it is not intended to limit the utility model. Any skilled person in the art can make some changes or modifications without departing from the technical scheme of the utility model. Any simple modification, equivalent change and modification of the above embodiment are within the scope of the utility model.

Claims

1. A horn EVA foam punching mechanism, comprising a rack, a roller conveying assembly for conveying EVA foam is connected on the rack, the roller conveying assembly is connected with a driving motor for driving the rotation feeding through a chain, characterized in that: The rack is provided with mounting plates, the mounting plates are connected with support frames, the support frames are connected with connecting plates through guide rails, the support frames are provided with drive cylinders for driving the connecting plates to move up and down along the guide rails, the connecting plates are detachably connected with stamping plates for punching EVA foam, edges of the connecting plates are provided with two or more connecting notches, the stamping plates are provided with connecting rods matched with the number and positions of the connecting notches, the stamping plates are connected with the connecting rods through pivots, the connecting rods can rotate along outer surfaces of the pivots and are matched with the connecting notches, the connecting rods are provided with locking bushings for locking the connecting plates and the stamping plates, and the connecting plates are connected with the stamping plates through a plurality of bolts.

2. The horn EVA foam punching mechanism according to claim 1, wherein: The mounting plates are provided with two, and the two mounting plates are symmetrically distributed on two sides of the rack, and the side of the mounting plate extending to the roller type conveying assembly is formed with a limiting baffle through bending, so that the limiting baffles of the two mounting plates are used for limiting the EVA foam.

3. The horn EVA foam punching mechanism according to claim 1, wherein: The mounting plate is connected with two tensioners, and the two tensioners are connected with a rolling roller for pressing the EVA foam, and the tensioner is provided with a leveling cylinder for driving the rolling roller to approach the roller type conveying assembly.

4. The horn EVA foam punching mechanism according to claim 3, wherein: The rolling roller is provided with two, and the two rolling rollers are symmetrically distributed with the support frame as the central axis.

5. The horn EVA foam punching mechanism according to claim 3, wherein: The tensioner is composed of a support base, a sliding rail and a tensioning block, the support base is installed on the mounting plate, the sliding rail is installed on the inner side of the support base, the tensioning block is connected with the sliding rail through a sliding groove, the end of the rolling roller is connected with the tensioning block, and the extension shaft of the leveling cylinder is connected with the tensioning block through the support base.

6. The horn EVA foam punching mechanism according to any one of claims 1-5, characterized in that: The guide rail is installed on the inner side of the support frame, the end of the connecting plate is connected with the guide rail through a guide groove, so that the connecting plate can slide along the guide rail, the connecting plate is provided with a connecting hole for connecting the stamping plate, the stamping plate is provided with a fixing hole matched with the connecting hole, and the locking bushing and the connecting rod are connected through threads.

7. The horn EVA foam punching mechanism according to any one of claims 1-5, characterized in that: The connecting plate is connected with two guide columns through shaft sleeves, the two guide columns are symmetrically distributed on two ends of the connecting plate, one end of the guide column is connected with the support frame, the other end of the guide column is connected with a pad through the connecting plate, and the guide column is sleeved with a buffer spring.

8. The horn EVA foam punching mechanism according to any one of claims 1-5, characterized in that: The connecting notches are provided with four, and the four connecting notches are symmetrically distributed on two sides of the connecting plate, the stamping plate is provided with four pivots, and one connecting rod is rotatably connected with each pivot.

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