Punching mechanism for automobile metal plate

Abstract

The utility model discloses a punching mechanism for an automobile metal plate, belongs to the technical field of metal plate processing, and mainly solves the technical problems that after a device is punched in the prior art, protruding burrs exist on the periphery of a hole, normal use of the metal plate is affected, polishing equipment needs to be independently used for secondary processing in the later period, and the machining efficiency is high. The punching mechanism comprises a machine base, two supports are arranged at the top of the machine base, the supports are in an inverted U shape, guide rails are arranged at the tops of the supports, two sliding seats are installed on each guide rail in a sliding mode, a machining table is fixedly connected to the tops of the sliding seats, and the machining table is fixedly connected to the top of the machine base. A connecting frame is arranged at the top of the machine base, a mounting frame is arranged in the connecting frame in a lifting mode, a moving seat is movably arranged in the mounting frame, a mounting frame is arranged at the bottom of the moving seat, a transmission shaft is arranged in the mounting frame through a bearing, and a grinding roller is coaxially arranged on the surface of the transmission shaft.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal sheet processing technical field more specifically, especially, relate to a punch mechanism of automobile metal sheet. BACKGROUND

[0002] In the production and manufacture of automobile, a large amount of metal sheet will be used, and punch mechanism is often used in the process of manufacturing automobile parts, punch mechanism is to use hydraulic equipment to exert downward pressure on punch, punch will act on the surface of metal sheet, under the action of huge pressure, it can realize the rapid punching of metal sheet, so as to drill several process holes on the surface of metal sheet for completing punching process.

[0003] But the types of punch device in the prior art are various, such as the utility model patent CN218425086U relates to a metal plate punching device, the utility model discloses a punching table, the upper side of the punching table is provided with a fixing mechanism, the fixing mechanism includes two clamping plates and a rotating rod, the bottom surface of the two clamping plates is fixedly connected with a threaded block, the inner wall of the two threaded blocks is screw connected with a threaded rod one, and the two threaded rods one are rotationally connected to the inner wall of the punching table. It can be set through the cooperation of the punching table, the fixing mechanism and the motor, so that the metal sheet can be fixed when punching the metal sheet, thereby effectively avoiding the movement of the metal sheet due to the mistake of the staff, effectively avoiding the waste of the metal sheet due to the change of the punching position, and ensuring the qualified rate of the punching process of the metal sheet.

[0004] Although the punch device can avoid the waste of metal sheet due to the change of punching position and ensure the qualified rate of punching process, there are protruding burrs around the hole after punching, which affects the normal use of metal sheet, and secondary processing is needed by using polishing equipment separately in the later period, it is difficult to remove the burrs quickly after punching, the production efficiency is low, in order to avoid this phenomenon, it is necessary to design a punch mechanism of automobile metal sheet. UTILITY MODEL CONTENTS

[0005] The purpose of this part is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplification or omission may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplification or omission cannot be used to limit the scope of the utility model.

[0006] In order to achieve the above purpose, the utility model provides a punch mechanism of automobile metal sheet, which is realized by the following specific technical means:

[0007] The utility model provides a punch mechanism of automobile metal sheet, including frame, the top of frame is provided with two supports, and two supports are symmetrically distributed, the shape of support is inverted U, the top of support is provided with guide rail, two sliding seats are slidably installed on each guide rail, the top of sliding seat is fixedly connected with processing table, the top of frame is provided with connecting frame, and connecting frame is inverted U, the lifting of installing frame is arranged in connecting frame, the inside of installing frame is movably provided with moving seat, the bottom of moving seat is provided with mounting frame, the inside of mounting frame is provided with transmission shaft through bearing, the surface of transmission shaft is coaxially provided with grinding roller, and grinding roller is located in mounting frame, and the flat plate is placed on processing table.

[0008] Preferably, the top of the processing table is fixedly connected with a fixed plate, and the processing table is fixedly connected with a positioning plate. The fixed plate penetrates through a threaded ring, the inner surface of the threaded ring is threadedly connected with a screw rod, one end of the screw rod is movably provided with a clamping seat, the flat plate is arranged between the clamping seat and the positioning plate, and the other end of the screw rod is fixedly connected with an adjusting handle.

[0009] Preferably, the inside of the installing frame is provided with a lead screw through a bearing, and the lead screw is threadedly connected between the moving seat. A servo motor is installed on the installing frame through a fixing frame, and the output end of the servo motor is fixedly connected with one end of the lead screw.

[0010] Preferably, the surface of the transmission shaft is coaxially provided with a first belt pulley, and the first belt pulley is located outside the mounting frame. A support plate is fixedly connected to the inner wall of the mounting frame, a first motor is installed on the support plate, and the first motor is fixed above the grinding roller. The output end of the first motor is provided with a second belt pulley through a shaft sleeve, and the second belt pulley is drivingly connected with the first belt pulley through a belt.

[0011] Preferably, an electric push rod is installed on the connecting frame, one end of the electric push rod is fixedly connected with the installing frame, the top of the installing frame is fixedly connected with two guide rods, the two guide rods are symmetrically distributed, and the guide rods penetrate through the connecting frame.

[0012] Preferably, a rack is arranged on the support, a second motor is installed on the bottom of the processing table through a fixing frame, a transmission gear is sleeved on the output end of the second motor through a shaft, and the transmission gear is meshingly connected with the rack.

[0013] Preferably, the top of the frame is provided with two groups of guide columns, and the two groups of guide columns are respectively located on the two sides of the support. The top end of the guide column is fixedly connected with a mounting plate, and the lifting plate is slidably installed on the two groups of guide columns. A hydraulic rod is installed on the bottom of the mounting plate, and one end of the hydraulic rod is fixedly connected with the lifting plate.

[0014] The bottom of the lifting plate is fixedly connected with a bearing frame, the bottom of the bearing frame is provided with a linear motor, the output end of the linear motor is provided with a connecting plate, and the bottom of the connecting plate is provided with a punching drill bit.

[0015] Due to the use of the above technical scheme, the utility model has the following advantages compared with the prior art:

[0016] The utility model discloses a guide rail, sliding seat, processing platform, moving seat, mounting frame and polishing roller are set up, can utilize polishing roller directly to the punching of metal plate and polish, remove the burr of the hole periphery, thereby need not separately use polishing equipment to carry out secondary processing in later period, directly after punching, the burr is removed quickly, to guarantee the normal use of automobile metal plate, and improve production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated herein for illustrative purposes. The application is described and explained more fully with reference to the illustrative embodiments and in connection with the drawings, in which:

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the local structure schematic diagram of the utility model;

[0020] Figure 3 It is the structure schematic diagram of guide rail and sliding seat;

[0021] Figure 4 It is the structure schematic diagram in mounting frame;

[0022] Figure 5 It is the structure schematic diagram in mounting frame;

[0023] Figure 6 It is the structure schematic diagram of clamping seat;

[0024] Figure 7 It is the structure schematic diagram of punching drill bit.

[0025] In the figure: 1, base; 2, support; 3, guide rail; 4, sliding seat; 5, processing table; 6, connecting frame; 7, mounting frame; 8, moving seat; 9, mounting frame; 10, transmission shaft; 11, polishing roller; 12, flat plate; 13, fixed plate; 14, screw rod; 15, clamping seat; 16, positioning plate; 17, screw rod; 18, servo motor; 19, first motor; 20, first pulley; 21, second pulley; 22, electric push rod; 23, guide rod; 24, rack; 25, second motor; 26, transmission gear; 27, guide column; 28, mounting plate; 29, lifting plate; 30, hydraulic rod; 31, bearing frame; 32, linear motor; 33, connecting plate; 34, punching drill bit. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and understandable, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0027] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in other ways that are not consistent with the details described herein without departing from the spirit and scope of the present application, and those skilled in the art can make similar extensions without departing from the spirit of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0028] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments. The present application provides the following embodiments.

[0029] As Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, this is a schematic diagram of the punching mechanism for automotive metal sheets in this embodiment. The punching mechanism in this embodiment includes a base 1. Two supports 2 are provided on the top of the base 1, and the two supports 2 are symmetrically distributed. The supports 2 are inverted U-shaped. Each support 2 has a guide rail 3 on its top. Two sliding seats 4 are slidably installed on each guide rail 3. A processing table 5 is fixedly connected to the top of the sliding seats 4. A connecting frame 6 is provided on the top of the base 1, and the connecting frame 6 is inverted U-shaped. A mounting frame 7 is lifted and lowered inside the connecting frame 6. A movable seat 8 is movably arranged inside the mounting frame 7. A mounting frame 9 is provided at the bottom of the movable seat 8. A drive shaft 10 is arranged inside the mounting frame 9 through a bearing. A grinding roller 11 is coaxially arranged on the surface of the drive shaft 10. Located in the mounting frame 9, a flat plate 12 is placed on the processing table 5. During the use of the punching mechanism, after the punching operation is completed, the sliding seat 4 can slide on the two guide rails 3. The moving processing table 5 drives the flat plate 12 after punching to move freely, so that the processing table 5 can move into the connecting frame 6. Then, the rotating transmission shaft 10 drives the grinding roller 11 to rotate, and the moving seat 8 will make the mounting frame 9 move. Therefore, the horizontally moving grinding roller 11 directly grinds and polishes the punched holes of the metal plate, removing the burrs around the holes. Thus, there is no need to use a separate grinding equipment for secondary processing. The burrs are quickly removed directly after punching to ensure the normal use of automotive metal plates and improve production efficiency.

[0030] like Figure 2 as well as Figure 4 As shown, in this embodiment, an electric push rod 22 is installed on the connecting frame 6, and one end of the electric push rod 22 is fixedly connected to the mounting frame 7. Two guide rods 23 are fixedly connected to the top of the mounting frame 7, and the two guide rods 23 are symmetrically distributed. The guide rods 23 pass through the connecting frame 6. Through the positioning and guidance of the two guide rods 23, the mounting frame 7 is driven to move stably up and down by the setting of the electric push rod 22. A lead screw 17 is set inside the mounting frame 7 through a bearing, and the lead screw 17 is threadedly connected to the moving seat 8. A servo motor 18 is installed on the mounting frame 7 through a fixed bracket, and the output end of the servo motor 18 is fixedly connected to one end of the lead screw 17. In order to enable the moving seat 8 to move within the mounting frame 7, the servo motor 18 is controlled, and the output end of the servo motor 18 drives the lead screw 17 to rotate. By utilizing the threaded engagement between the lead screw 17 and the moving seat 8, the rotating lead screw 17 can make the moving seat 8 move.

[0031] like Figure 5As shown, in order to make the polishing roller 11 to roll, the surface of the transmission shaft 10 is coaxially provided with the first pulley 20 in this embodiment, and the first pulley 20 is located outside the mounting frame 9, the inner wall of the mounting frame 9 is fixedly connected with the supporting plate, the first motor 19 is installed on the supporting plate, and the first motor 19 is fixed above the polishing roller 11, the output end of the first motor 19 is provided with the second pulley 21 through the shaft sleeve, and the second pulley 21 and the first pulley 20 are connected through the belt transmission; by controlling the first motor 19, the first motor 19 can drive the second pulley 21, and through the belt transmission, the driving of the transmission shaft 10 is realized.

[0032] As shown in the figure, Figure 6 In this embodiment, the top of the machining table 5 is fixedly connected with the fixed plate 13, the machining table 5 is fixedly connected with the positioning plate 16, the fixed plate 13 is provided with a threaded ring, the inner surface of the threaded ring is threadedly connected with the screw rod 14, one end of the screw rod 14 is movably provided with the clamping seat 15, the flat plate 12 is arranged between the clamping seat 15 and the positioning plate 16, and the other end of the screw rod 14 is fixedly connected with the adjusting handle.

[0033] As shown in the figure, Figure 3 In this embodiment, the rack 24 is arranged on the support 2, the bottom of the machining table 5 is installed with the second motor 25 through the fixing frame, the output end of the second motor 25 is provided with the transmission gear 26 through the shaft sleeve, and the transmission gear 26 is in meshing connection with the rack 24; in order to make the machining table 5 slide to the specified position according to the actual needs, the second motor 25 is controlled, the output end of the second motor 25 drives the transmission gear 26 to rotate, the transmission between the transmission gear 26 and the rack 24 is used, and the rotating transmission gear 26 is used to push the whole machining table 5 to move.

[0034] As shown in the figure, Figure 1 and Figure 7 In this embodiment, the top of the base 1 is provided with two groups of guide columns 27, and the two groups of guide columns 27 are respectively located on the two sides of the support 2, the top end of the guide column 27 is fixedly connected with the mounting plate 28, the lifting plate 29 is slidably installed on the two groups of guide columns 27, the bottom of the mounting plate 28 is installed with the hydraulic rod 30, one end of the hydraulic rod 30 is fixedly connected with the lifting plate 29, the bottom of the lifting plate 29 is fixedly connected with the bearing frame 31, the bottom of the bearing frame 31 is installed with the linear motor 32, the output end of the linear motor 32 is provided with the connecting plate 33, and the bottom of the connecting plate 33 is provided with the punching drill bit 34; during the punching operation of the mechanism, the machining table 5 arranged can adjust the transverse punching position of the metal plate, and the linear motor 32 arranged can adjust the longitudinal punching position of the metal plate, and the punching operation of the punching drill bit 34 is driven through the up-down movement of the lifting plate 29.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A punching mechanism for automotive metal sheets, comprising a base (1), wherein two supports (2) are provided on the top of the base (1), and the two supports (2) are symmetrically distributed, the supports (2) being in the shape of an inverted U, characterized in that: The top of the bracket (2) is provided with guide rails (3), and two sliding seats (4) are slidably installed on each guide rail (3). The top of the sliding seat (4) is fixedly connected to the processing table (5). The top of the machine base (1) is provided with a connecting frame (6), and the connecting frame (6) is inverted U-shaped. The connecting frame (6) is provided with a lifting mounting frame (7). The mounting frame (7) is provided with a movable seat (8). The bottom of the movable seat (8) is provided with a mounting frame (9). The mounting frame (9) is provided with a drive shaft (10) through a bearing. The surface of the drive shaft (10) is coaxially provided with a grinding roller (11), and the grinding roller (11) is located in the mounting frame (9). A flat plate (12) is placed on the processing table (5).

2. The punching mechanism for automotive metal sheets according to claim 1, characterized in that: A fixed plate (13) is fixedly connected to the top of the processing table (5), and a positioning plate (16) is fixedly connected to the processing table (5). A threaded ring is provided through the fixed plate (13), and a screw (14) is threadedly connected to the inner surface of the threaded ring. A clamping seat (15) is movably provided at one end of the screw (14), and a flat plate (12) is provided between the clamping seat (15) and the positioning plate (16). An adjustment handle is fixedly connected to the other end of the screw (14).

3. The punching mechanism for automotive metal sheets according to claim 1, characterized in that: Inside the mounting frame (7), a lead screw (17) is provided through a bearing, and the lead screw (17) is threadedly connected to the moving seat (8). A servo motor (18) is mounted on the mounting frame (7) through a fixing bracket, and the output end of the servo motor (18) is fixedly connected to one end of the lead screw (17).

4. The punching mechanism for automotive metal sheets according to claim 1, characterized in that: A first pulley (20) is coaxially arranged on the surface of the drive shaft (10), and the first pulley (20) is located outside the mounting frame (9). A support plate is fixedly connected to the inner wall of the mounting frame (9). A first motor (19) is mounted on the support plate, and the first motor (19) is fixed above the grinding roller (11). The output end of the first motor (19) is fitted with a second pulley (21) through a shaft, and the second pulley (21) and the first pulley (20) are connected by belt drive.

5. The punching mechanism for automotive metal sheets according to claim 1, characterized in that: An electric push rod (22) is installed on the connecting frame (6), and one end of the electric push rod (22) is fixedly connected to the mounting frame (7). Two guide rods (23) are fixedly connected to the top of the mounting frame (7), and the two guide rods (23) are symmetrically distributed. The guide rods (23) pass through the connecting frame (6).

6. The punching mechanism for automotive metal sheets according to claim 1, characterized in that: A rack (24) is provided on the bracket (2), and a second motor (25) is installed at the bottom of the processing table (5) through a fixed frame. The output end of the second motor (25) is fitted with a transmission gear (26) through a shaft, and the transmission gear (26) is meshed with the rack (24).

7. The punching mechanism for automotive metal sheets according to claim 1, characterized in that: Two sets of guide columns (27) are provided on the top of the base (1), and the two sets of guide columns (27) are located on both sides of the bracket (2). The top of the guide column (27) is fixedly connected to the mounting plate (28). The lifting plate (29) is slidably installed on the two sets of guide columns (27). The bottom of the mounting plate (28) is equipped with a hydraulic rod (30), and one end of the hydraulic rod (30) is fixedly connected to the lifting plate (29).

8. The punching mechanism for automotive metal sheets according to claim 7, characterized in that: The bottom of the lifting plate (29) is fixedly connected to a support frame (31), and a linear motor (32) is installed at the bottom of the support frame (31). A connecting plate (33) is provided at the output end of the linear motor (32), and a punching drill bit (34) is provided at the bottom of the connecting plate (33).

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