CN209736434U - A three-hole stamping die for metal processing - Google Patents

Abstract

The utility model relates to a three-hole stamping die for metal processing, which comprises a fixed mold base, a movable mold base and a push rod arranged above the fixed mold base, and a concave mold fixing plate and a concave mold are arranged on the fixed mold base. The left and right sides of the die are symmetrically provided with side positioning grooves, and the upper surface is provided with upper positioning grooves. The side positioning grooves and the upper positioning grooves are respectively provided with side punching holes and upper punching holes. The bottom of the movable mold base is at the corresponding position of the upper punching holes The upper punch is vertically arranged at the upper punch, and the sliding seat is symmetrically arranged on both sides corresponding to the side punching hole on the fixed die seat. The side of the block close to the die is fixed with a side pressure plate, and the side punch is horizontally arranged at the position corresponding to the side punching hole on the side pressure plate; , and by pushing the upper punch and the side punch, the stamping of three kinds of workpieces can be completed in one action process, which greatly improves the production efficiency.

Description

A three-hole stamping die for metal processing

technical field

The utility model relates to the field of punching dies, in particular to a three-hole punching die used for metal processing.

Background technique

In stamping production, a cantilever stamping die is generally used. The die of this die is set horizontally, and the raw material to be stamped is placed on the die. The vertical punch moves downward under the drive of the press to complete the stamping. Forming, the existing cantilever stamping die can only punch one workpiece at a time, and then feed the raw material to punch another workpiece. When stamping different types of workpieces, it is necessary to replace the die and punch. The installation process is time-consuming and laborious. In addition, repeated positioning is required, resulting in low production efficiency.

Utility model content

Aiming at the problems existing in the above-mentioned prior art, the utility model provides a three-hole stamping die for metal processing, by respectively setting side punching holes and upper punching holes on the two side walls and the upper surface of the die, and pushing The upper punch and the side punch can realize the stamping and forming of three kinds of workpieces in one action process, which greatly improves the production efficiency.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a three-hole stamping die for metal processing, which includes a fixed die base 1, a movable die base 18 arranged above the fixed die base 1 and a fixed die set on the movable die base. The push rod 15 on the die base 18 upper end, described fixed die base 1 is provided with die set plate 19 and die 5, and described die 5 is fixed on the fixed die base 1 by die set plate 19, and described die base 1 The left and right sides of the mold 5 are symmetrically provided with side positioning grooves 20, and the upper surface is provided with upper positioning grooves 23. Side punching holes 21 and upper punching holes 22 are respectively provided in the side positioning grooves 20 and the upper positioning grooves 23. The bottom of the die base 18 is vertically provided with an upper punch 16 at the position corresponding to the upper punching hole 22, and the two sides corresponding to the side punching holes 21 on the fixed die base 1 are symmetrically provided with a slide seat 2, and the slide base 2 The inner wall of the inner wall is provided with a chute along the horizontal direction, and a lower block 3 is slidably fitted in the groove. The side of the lower block 3 close to the die 5 is fixedly provided with a side pressing plate 7, and the side pressing plate 7 is punched on the side. 21 is horizontally provided with a side punch 6 at the corresponding position.

Preferably, the upper surface of the lower slider 3 is provided with a slope, and the positions corresponding to the lower slider 3 at the two ends of the movable mold base 18 are respectively fixed with an upper slider 12, and the lower end surface of the upper slider 12 Matching with the slope on the lower slider 3, the outer side of the lower slider 3 is provided with a reset base 4 that is fixedly matched with the slide seat 2, and the reset base 4 is interspersed and slidably fitted with a fixed connection with the lower slider 3. The reset slide bar 9 is provided with a reset spring 10 on the reset slide bar 9, and the right end of the reset slide bar 9 is fixed with a spring limit seat 11 cooperating with the return spring 10 through a screw.

Preferably, an upper pressing plate 17 is provided under the movable mold base 18 to fit with the upper punch 16, and a buffer spring 14 is connected between the upper pressing plate 17 and the movable mold base 18, and the upper pressing plate 17 is symmetrical A buffer slide bar 13 inserted and slidably fitted with the movable mold base 18 is provided.

Preferably, the bottom of the die 5 is vertically provided with a discharge hole communicating with the upper punching hole 22 and the side punching hole 21 .

Description of drawings

Fig. 1 is a three-dimensional structure schematic diagram of the present utility model.

Fig. 2 is a top view of the utility model.

Fig. 3 is a side view of the utility model.

Fig. 4 is a cross-sectional view along A-A in Fig. 3 .

Fig. 5 is a schematic diagram of the structure of the die.

The text marked in the figure is expressed as: 1. fixed mold base; 2. sliding seat; 3. lower slider; 4. reset base; 5. die; 6. side punch; Slide bar; 10, return spring; 11, spring limit seat; 12, upper slide block; 13, buffer slide bar; 14, buffer spring; 15, push rod; 16, upper punch; 17, upper pressing plate; 18, 19. Die fixed plate; 20. Side positioning groove; 21. Side punching hole; 22. Upper punching hole; 23. Upper positioning groove.

Detailed ways

In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model will be described in detail below in conjunction with the accompanying drawings. The description of this part is only exemplary and explanatory, and should not have any influence on the protection scope of the utility model. restrictive effect.

As shown in Figures 1-5, the structure of the present utility model is: a three-hole stamping die for metal processing, which includes a fixed mold base 1, a movable mold base 18 arranged above the fixed mold base 1 and a fixed set Push rod 15 at the upper end of movable mold base 18, said fixed mold base 1 is provided with die set plate 19 and die 5, said die 5 is fixed on the fixed die base 1 by die set plate 19, so The left and right sides of the die 5 are symmetrically provided with a side positioning groove 20, and the upper surface is provided with an upper positioning groove 23, and the side positioning groove 20 and the upper positioning groove 23 are respectively provided with a side punching hole 21 and an upper punching hole 22. The bottom of the movable mold base 18 is vertically provided with an upper punch 16 at the position corresponding to the upper punching hole 22, and the two sides corresponding to the side punching holes 21 on the fixed mold base 1 are symmetrically provided with slide seats 2, and the slides The inner wall of the seat 2 is provided with a chute along the horizontal direction, and a sliding block 3 is fitted in the groove. The side of the sliding block 3 close to the die 5 is fixedly provided with a side pressing plate 7, and the side pressing plate 7 is fixed on the side. The corresponding position of the punching hole 21 is horizontally provided with a side punch 6, by setting up side punching holes 21 and upper punching holes 22 on the two side walls and the upper surface of the die respectively, and by pushing the upper punch 16 and the side punch 6 to Realize the stamping and forming of three kinds of workpieces in one action process, which greatly improves the production efficiency.

As shown in Figure 4, the upper surface of the lower slider 3 is provided with a slope, and the positions corresponding to the lower slider 3 at the two ends of the movable mold base 18 are respectively fixed with an upper slider 12, and the upper slider 12 The lower end face of the lower slider matches the slope on the lower slider 3. The outer side of the lower slider 3 is provided with a reset base 4 fixedly fitted with the slider 2. The reset base 4 is interspersed and slidably fitted with a 3 fixedly connected reset slide bar 9, the reset slide bar 9 is covered with a reset spring 10, and the right end of the reset slide bar 9 is fixedly provided with a spring limit seat 11 cooperating with the return spring 10 through a screw rod, and the movable mold seat 18. Driven by the push rod 15, the press goes down, so that the slopes of the upper slider 12 and the lower slider 3 slide and cooperate, so that the lower sliders 3 on both sides can move horizontally to the middle at the same time, and the side punch 6 is used to complete the process at the same time. Stamping on both sides of the die 5, and then when the movable mold base 18 goes up, the lower sliders 3 on both sides are automatically reset by the return spring 10, which is convenient for punching again, and the production efficiency is improved.

As shown in Figure 4, an upper pressing plate 17 that is inserted and fitted with the upper punch 16 is provided below the movable mold base 18, and a buffer spring 14 is connected between the upper pressing plate 17 and the movable mold base 18, and the upper pressing plate 17 is symmetrically provided with a buffer slide bar 13 interspersed and slidingly matched with the movable mold base 18. When the movable mold base 18 descends, the upper pressing plate 17 compresses the workpiece under the action of the buffer spring 14 to ensure the positioning accuracy of the workpiece.

As shown in Figure 4, the bottom of the die 5 is vertically provided with a discharge hole connected to the upper punching hole 22 and the side punching hole 21, and the diameter of the discharge hole is larger than the diameter of the upper punching hole, which is conducive to the dropping of the product. fall.

During specific use, the three sets of material strips are first placed in the side positioning groove 20 and the upper positioning groove 23 on the die 5 for positioning, and pulled by the strip traction wheel, then the press is started, and the movable mold base 18 passes through the push rod 15 goes down under the drive of the press, so that the upper platen 17 is pressed against the upper side of the die 5, and under the action of the buffer spring 14 and the buffer slide bar 13, the impact force on the die 5 is reduced, and then through the upper The punch 16 completes the stamping on the upper side of the die 5; while the movable mold base 18 is going down, the slopes of the upper slider 12 and the lower slider 3 slide and cooperate, so that the lower sliders 3 on both sides can move horizontally to the middle at the same time, Complete the stamping on both sides of the die 5 through the side punch 6, and then move up after the movable mold base 18 reaches the bottom dead point, and the lower sliders 3 on both sides are bounded by the return spring 10, the return base 4, the return slide bar 9 and the spring limiter. Under the action of the seat 11, it automatically returns to the initial position and waits for the next stamping action, which is convenient for stamping again and improves the production efficiency.

It should be noted that, in this document, the terms "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or apparatus.

In this paper, specific examples are used to illustrate the principle and implementation of the present utility model. The description of the above examples is only used to help understand the method of the present utility model and its core idea. The above is only a preferred implementation of the present utility model. , it should be pointed out that due to the limitation of written expression, there are objectively unlimited specific structures. For those of ordinary skill in the art, some improvements and modifications can be made without departing from the principle of the utility model. Or changes, the above-mentioned technical features can also be combined in an appropriate way; these improvements, changes or combinations, or direct application of the ideas and technical solutions of the utility model to other occasions without improvement, should be regarded as the utility model. scope of protection.

Claims (4)

1. A three-hole stamping die for metal processing, which includes a fixed mold base (1), a movable mold base (18) arranged above the fixed mold base (1), and a fixed upper end of the movable mold base (18) The push rod (15) is characterized in that: the fixed die base (1) is provided with a die fixing plate (19) and a die (5), and the die (5) passes through the die fixing plate (19 ) is fixed on the fixed mold base (1), the left and right sides of the die (5) are symmetrically provided with side positioning grooves (20), the upper surface is provided with upper positioning grooves (23), and the side positioning grooves (20) There are side punching holes (21) and upper punching holes (22) in the upper and upper positioning slots (23), respectively. The bottom of the movable mold base (18) is vertically provided with upper The punch (16), the fixed mold seat (1) is symmetrically provided with sliding seats (2) on both sides corresponding to the side punching holes (21), and the inner wall of the sliding seat (2) is provided with sliding seats along the horizontal direction. The lower slider (3) is slidingly fitted in the groove, and the side of the lower slider (3) close to the die (5) is fixed with a side pressure plate (7), and the side pressure plate (7) is on the side A side punch (6) is horizontally arranged at a position corresponding to the punching hole (21). 2. A three-hole stamping die for metal processing according to claim 1, characterized in that: the upper surface of the lower slider (3) is provided with a slope, and the two ends of the movable mold base (18) The position corresponding to the lower slider (3) is respectively fixed with an upper slider (12), the lower end surface of the upper slider (12) matches the slope on the lower slider (3), and the lower slider The outer side of (3) is provided with a reset base (4) that is fixedly matched with the slide seat (2). ), the reset slide bar (9) is covered with a reset spring (10), and the right end of the reset slide bar (9) is fixed with a spring limit seat (11) cooperating with the reset spring (10) through a screw. 3. A three-hole stamping die for metal processing according to claim 2, characterized in that: an upper platen that fits with the upper punch (16) is provided under the movable die base (18) (17), a buffer spring (14) is connected between the upper pressing plate (17) and the movable mold base (18), and the upper pressing plate (17) is symmetrically provided with a Buffer slide (13). 4. A three-hole stamping die for metal processing according to claim 1, characterized in that: the bottom of the die (5) is vertically provided with upper punching holes (22), side punching holes (21 ) Connected discharge hole.