Side edge punching hidden punching mechanism for punching machine

Abstract

The utility model relates to the technical field of mechanical equipment, in particular to a side edge punching hidden punching mechanism for a punching machine, which comprises a rack and the like. The machine frame is a supporting carrier of the hidden punching structure, the lower die insert is arranged on the machine frame, a plurality of lower die cutter blocks are fixedly connected to the top face of the lower die insert, the first air cylinders are symmetrically installed on the top face of the machine frame, a movable plate is installed on telescopic rods of the first air cylinders, and a second air cylinder is installed on the bottom face of the movable plate. A wedge-shaped block is installed on a telescopic rod of the second air cylinder, and a material pressing plate block is fixedly connected to the bottom face of the movable plate. By means of the integrated design of the machine frame, the lower die insert, the upper die insert, the air cylinder, the collecting frame and other components, the whole hidden punching mechanism is compact in design, small in occupied space and suitable for being used in a narrow or inclined working area, and the application range of equipment is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment technical field especially relates to a side punching hidden punch mechanism for punching machine. BACKGROUND

[0002] The punching machine is a kind of commonly used mechanical equipment, is widely used in metal processing, paper processing etc., in certain application scene, need to punch in the side of material, and traditional punching machine usually only punch in the front of material, to meet this demand, a side punching hidden punch mechanism for punching machine arises at the historic moment, this mechanism can accurately punch in the side of material, improve processing efficiency and precision.

[0003] Traditional punching equipment is difficult to reach target position when processing narrow or inclined work area, and further affect the effective execution of punching operation, these problems not only limit the application range of punching process, but also can lead to production efficiency reduction and product quality decline, therefore we design a side punching hidden punch mechanism for punching machine, push hidden punch mechanism and upper pressure plate guide slide by using upper die driving block to realize side punching, to reach the effect of meeting production and quality. SUMMARY

[0004] In order to overcome the above-mentioned prior art defects, the utility model provides a side punching hidden punch mechanism for punching machine.

[0005] The technical implementation scheme of the utility model is: a side punching hidden punch mechanism for punching machine, including frame, the frame is the support carrier of the hidden punch structure, the lower die insert block is arranged on the frame, a plurality of lower die cutter blocks are fixedly connected on the top surface of the lower die insert block, the first air cylinder is symmetrically installed on the top surface of the frame, the telescopic rod of the first air cylinder is installed with movable plate, the bottom surface of the movable plate is installed with the second air cylinder, the telescopic rod of the second air cylinder is installed with wedge-shaped block, the bottom surface of the movable plate is fixedly connected with pressure plate block, the pressure plate block is lower than the wedge-shaped block, the top surface of the pressure plate block is inclined surface, the inside of the pressure plate block is the inclined pass corresponding to the inclined surface, the inside of the pressure plate block pass is fixedly connected with self-made guide sleeve, the self-made guide sleeve is slidably installed with sliding block, the top surface of the sliding block is fixedly connected with connecting block, the height of the connecting block is higher than the top inclined surface of the pressure plate block, a plurality of nitrogen gas springs are symmetrically installed on both sides of the top inclined surface of the pressure plate block, the nitrogen gas spring is arranged between the pressure plate block and the connecting block, the top surface of the connecting block and the bottom inclined surface of the wedge-shaped block are adapted, the bottom surface of the sliding block is fixedly connected with clamping plate, the bottom surface of the clamping plate is provided with a plurality of punches, the punch is used to adapt the lower die cutter block and carry out side punching to the workpiece placed on the lower die insert block.

[0006] Optionally, the plurality of punches of the bottom surface of the clamping plate are designed to be replaceable, and the punches can be replaced according to the actual punching requirements of the workpiece, and the maintenance of the punches is facilitated.

[0007] Optionally, the upper die block and the fixing rods are further included, the bottom surface of the movable plate is fixedly connected with the upper die block through a plurality of fixing rods, the upper die block is located below the pressing plate block, the upper die block is fixedly connected with the pressing plate block, the punch penetrates through the upper die block, the pressing plate block and the upper die block are driven to synchronously descend by the first air cylinder, the workpiece placed on the lower die block is pressed by the upper die block before the pressing plate block, then the wedge-shaped block is driven to horizontally extrude the connecting block by the second air cylinder, the connecting block drives the sliding block, the clamping plate and the punch at the bottom of the clamping plate to move downward against the elastic force of the nitrogen spring, until the punch extends from the bottom surface of the upper die block and pierces the material on the lower die block, so that the side punching of the material is achieved.

[0008] Optionally, the top surface of the upper die block is provided with a guide groove matched with the clamping plate and the punch, the top surface of the lower die block is a circular arc surface, and the bottom surface of the upper die block can be matched and pressed on the circular arc surface on the top of the lower die block, so that the punch at the bottom surface of the clamping plate can be accurately matched with the lower die block and pierce the workpiece.

[0009] Optionally, the lower die block is internally provided with a chip removal port corresponding to the punching port of the upper and lower die blocks of the lower die block, and the chip removal port is used for discharging the chips generated after the punch pierces the workpiece on the lower die block, so that the subsequent centralized collection and treatment are facilitated.

[0010] Optionally, the collecting frame is further included, the bottom of the rack is provided with the collecting frame, the collecting frame is located below the lower die block, and the collecting frame is used for collecting the stamping chips discharged from the chip removal port of the lower die block, so that the workload of subsequent cleaning is reduced.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1. The utility model can realize the integrated design of the rack, the lower die block, the upper die block, the air cylinder and the collecting frame, so that the whole blind punching mechanism is designed to be compact, occupies small space, is suitable for use in narrow or inclined working areas, and improves the application range of the equipment.

[0013] 2. The bottom surface of the upper die block and the top surface of the lower die block are both circular arc surfaces, so that the high precision and stability during pressing are ensured, the punch at the bottom surface of the clamping plate can be accurately matched with the lower die block, the accuracy and consistency of punching are ensured, the nitrogen spring arranged between the pressing plate block and the connecting block can provide buffering and reduce the impact force during the punching process, the stability of punching is improved, and the service life of the equipment is prolonged.

[0014] 3. The lower die insert of this utility model is provided with a chip discharge port inside, which corresponds to the punching hole of the lower die cutter block, and can discharge the debris generated during the punching process in a timely manner. The collection frame at the bottom of the frame is used to collect the debris discharged from the chip discharge port, reducing the amount of subsequent cleaning work and keeping the working environment clean. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0016] Figure 2 This diagram shows the connection relationships of the pressure plate, wedge block, sliding block, and punch of this utility model.

[0017] Figure 3 This is a schematic diagram showing the cooperative relationship between the shaped block, connecting block, sliding block, and punch of this utility model.

[0018] Figure 4 This is a three-dimensional structural diagram of the self-made guide sleeve and nitrogen spring of this utility model.

[0019] Figure 5 This is a three-dimensional structural diagram of the lower mold insert, upper mold insert, and fixing rod of this utility model.

[0020] Figure 6 This is a cross-sectional view of the lower mold insert of this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1: Frame, 2: First cylinder, 3: Movable plate, 4: Second cylinder, 5: Wedge block, 6: Connecting block, 7: Sliding block, 8: Punch, 9: Pressing plate, 10: Self-made guide sleeve, 11: Clamping plate, 12: Nitrogen spring, 13: Lower die insert, 131: Chip discharge port, 14: Lower die cutter block, 16: Upper die insert, 17: Fixing rod, 18: Collection frame. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the following will describe this utility model in further detail with reference to the accompanying drawings. It is hereby declared that the terms "up," "down," "left," "right," "front," "back," "inner," and "outer," etc., appearing or about to appear in this document, are based solely on the accompanying drawings and are not intended to specifically limit this utility model.

[0023] Example: A side punching and concealed punching mechanism for a punching machine, such as... Figures 1-4As shown, including organic frame 1, frame 1 is the support carrier of the present dark rush structure, the lower die insert 13 is arranged on the frame 1, the top surface of the lower die insert 13 is fixed with a plurality of lower die cutter blocks 14, the first air cylinder 2 is symmetrically installed on the top surface of the frame 1, the telescopic rod of the first air cylinder 2 is installed with the movable plate 3, the bottom surface of the movable plate 3 is installed with the second air cylinder 4, the telescopic rod of the second air cylinder 4 is installed with the wedge block 5, the bottom surface of the movable plate 3 is fixed with the pressing plate block 9, the pressing plate block 9 is lower than the wedge block 5, the top surface of the pressing plate block 9 is inclined, the inside of the pressing plate block 9 is correspondingly inclined and provided with a through hole, the inside of the through hole of the pressing plate block 9 is fixed with a self-made guide sleeve 10, the inside of the self-made guide sleeve 10 is slidably installed with the sliding block 7, the top surface of the sliding block 7 is fixed with the connecting block 6, the height of the connecting block 6 is higher than the top inclined surface of the pressing plate block 9, a plurality of nitrogen gas springs 12 are symmetrically installed on both sides of the top inclined surface of the pressing plate block 9, the nitrogen gas springs 12 are arranged between the pressing plate block 9 and the connecting block 6, the top surface of the connecting block 6 is matched with the bottom inclined surface of the wedge block 5, the bottom surface of the sliding block 7 is fixed with the clamping plate 11, the bottom surface of the clamping plate 11 is provided with a plurality of punches 8, the punches 8 are used to match the lower die cutter blocks 14 and punch the side of the workpiece placed on the lower die insert 13; the plurality of punches 8 on the bottom surface of the clamping plate 11 are designed to be replaceable, the punches 8 can be replaced according to the actual punching requirements of the workpiece, and the punches 8 are convenient to maintain.

[0024] As shown in Figure 1 and Figure 5 , it also includes an upper die insert 16 and a fixed rod 17, the bottom surface of the movable plate 3 is fixed with the upper die insert 16 through a plurality of fixed rods 17, the upper die insert 16 is below the pressing plate block 9, the upper die insert 16 and the pressing plate block 9 are fixedly connected, the punches 8 pass through the upper die insert 16, the pressing plate block 9 and the upper die insert 16 are driven to descend synchronously by the first air cylinder 2, the upper die insert 16 is pressed on the workpiece placed on the lower die insert 13 before the pressing plate block 9, then the wedge block 5 is driven to horizontally extrude the connecting block 6 by the second air cylinder 4, so that the connecting block 6 overcomes the elastic force of the nitrogen gas spring 12 to drive the sliding block 7, the clamping plate 11 and the punches 8 on the bottom thereof to move downward, until the punches 8 extend from the bottom surface of the upper die insert 16 and pierce the material on the lower die cutter block 14, so as to achieve the purpose of side punching of the material.

[0025] As shown in Figure 1 , Figure 2 and Figure 5 , the top surface of the upper die insert 16 is provided with a guide groove matched with the clamping plate 11 and the punch 8, the top surface of the lower die insert 13 is a circular arc surface, and the bottom surface of the upper die insert 16 can be matched and pressed on the circular arc surface on the top of the lower die insert 13, the bottom surface of the upper die insert 16 and the top surface of the lower die insert 13 are limited and pressed, so that the punch 8 on the bottom surface of the clamping plate 11 can accurately match the lower die cutter block 14 and pierce the workpiece.

[0026] As shown in Figure 1 andFigure 6 As shown, the lower die insert 13 is internally provided with a chip outlet 131 corresponding to the punching hole of the lower die insert 13 and the upper die insert 14, the chip outlet 131 is used to discharge the debris generated after the punch 8 punches the workpiece on the lower die insert 13, facilitating subsequent centralized collection and processing; It also includes a collection frame 18, the bottom of the rack 1 is provided with a collection frame 18, the collection frame 18 is located below the lower die insert 13, the collection frame 18 is used to collect the stamping debris discharged from the chip outlet 131 of the lower die insert 13, reducing the workload of subsequent cleaning.

[0027] When using the present blind punching mechanism to punch the side of the material, first, the workpiece to be processed is placed on the lower die insert 13, the top surface of the lower die insert 13 is designed as a circular arc surface, so as to adapt to workpieces of different shapes, when the equipment is started, the extension rod of the first cylinder 2 pushes the movable plate 3 to move downward, the upper die insert 16 and the pressure plate 9 below the movable plate 3 are synchronously lowered, since the bottom surface shape of the upper die insert 16 matches the top surface of the lower die insert 13, the free state pressure plate 9 first contacts the lower die insert 14 on the top surface of the lower die insert 13, ensuring that the two can be closely attached, thereby tightly pressing and fixing the workpiece to be processed, as the upper die insert 16 contacts the workpiece before the pressure plate 9 and tightly presses it, then the second cylinder 4 starts to work, the extension rod of the second cylinder 4 pushes the wedge-shaped block 5 to move inward along the horizontal direction, at this time, the inclined surface of the wedge-shaped block 5 is in contact with the top surface of the connecting block 6, at this time, the wedge-shaped block 5 will push the connecting block 6, after the connecting block 6 is subjected to horizontal pressure, it pushes the sliding block 7 downward to overcome the elastic force of the nitrogen gas spring 12, so that the sliding block 7 moves downward along with the clamping plate 11 and the punch 8 on its bottom surface under the guidance of the self-made guide sleeve 10, until the punch 8 passes through the guide groove of the upper die insert 16, and then continues to move downward until it penetrates the workpiece on the lower die insert 14, thereby achieving the purpose of punching the side of the workpiece, after the punching is completed, the extension rod of the second cylinder 4 is retracted, the wedge-shaped block 5 is withdrawn, and the elastic restoring force of the nitrogen gas spring 12 promotes the connecting block 6, the sliding block 7, the clamping plate 11 and the punch 8 to quickly reset upward, at the same time, the extension rod of the first cylinder 2 is retracted upward, driving the entire movable plate 3 and its attached components to rise and release the workpiece, at this time, the chip outlet 131 in the lower die insert 13 discharges the waste generated during the punching process, which falls into the collection frame 18 at the bottom of the rack 1, facilitating subsequent centralized processing and reducing the cleaning workload, thereby improving the production efficiency.

[0028] Although the present utility model is described in detail with reference to the above embodiments, it is obvious to those skilled in the art through the present disclosure that various changes or modifications can be made to the present utility model without departing from the principles and spirit of the utility model defined by the claims. Therefore, the detailed description of the present disclosure is only used for explanation, not for limiting the present utility model, and the protection range is defined by the content of the claims.

Claims

1. A side edge piercing blind punch mechanism for a punch press, characterized by, The utility model relates to a die set, including organic frame (1) and set up on the frame (1) lower mould insert (13), the top surface of lower mould insert (13) is fixed with a plurality of lower mould cutter block (14), the first pneumatic cylinder (2) of symmetry installation is installed in the top surface of frame (1), the telescopic rod of first pneumatic cylinder (2) installs movable plate (3), the bottom surface of movable plate (3) installs second pneumatic cylinder (4), the telescopic rod of second pneumatic cylinder (4) installs wedge (5), the bottom surface of movable plate (3) is fixed with pressure plate block (9), pressure plate block (9) is lower than wedge (5), the top surface of pressure plate block (9) is inclined plane, the inside of pressure plate block (9) is the inclinedly arranged through -opening corresponding inclined plane, the inside fixed of pressure plate block (9) through -opening is self -made guide sleeve (10), the sliding block (7) of sliding installation is installed in self -made guide sleeve (10), the top surface of sliding block (7) is fixed with connecting block (6), the height of connecting block (6) is higher than the top inclined plane of pressure plate block (9), the both sides of top inclined plane of pressure plate block (9) symmetry installs a plurality of nitrogen gas spring (12), nitrogen gas spring (12) sets up between pressure plate block (9) and connecting block (6), the top surface of connecting block (6) and the bottom inclined plane of wedge (5) are adapted, the bottom surface of sliding block (7) is fixed with clamping plate (11), the bottom surface of clamping plate (11) is provided with a plurality of punch (8).

2. A side piercing blind punch mechanism for a punch press as defined in claim 1, wherein The plurality of punch (8) of the bottom surface of the clamping plate (11) is designed to be replaceable.

3. A side piercing blind piercing mechanism for a punch press as defined in claim 2 wherein, It also includes an upper die insert (16) and a fixed rod (17), and the bottom surface of the movable plate (3) is fixed with an upper die insert (16) through a plurality of fixed rods (17), the upper die insert (16) is located below the pressure plate block (9), the upper die insert (16) and the pressure plate block (9) are fixedly connected, and the punch (8) penetrates the upper die insert (16).

4. A side piercing blind piercing mechanism for a punch press as defined in claim 3 wherein, The top surface of the upper die insert (16) is provided with a guide groove adapted to the clamping plate (11) and the punch (8), the top surface of the lower die insert (13) is a circular arc surface, and the bottom surface of the upper die insert (16) can be adapted and pressed on the circular arc surface on the top of the lower die insert (13).

5. A side piercing blind piercing mechanism for a punch press as defined in claim 4 wherein, The lower die insert (13) is provided with a chip removal port (131) inside, and the chip removal port (131) corresponds to the punch port of the lower die insert (13) and the upper die insert (14) respectively.

6. A side piercing blind piercing mechanism for a punch press as defined in claim 5 wherein, It also includes a collection frame (18), and the bottom of the frame (1) is provided with a collection frame (18), and the collection frame (18) is located below the lower die insert (13).

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