Side hole flanging stamping die structure

Abstract

The utility model relates to the technical field of stamping dies, and discloses a side hole flanging stamping die structure which comprises a first die and a second die, a fixing block is connected to the top end of the middle of the second die, hole flanging punches are connected to the two sides of the fixing block respectively, and a positioning plate and a driving block are connected to the two sides of the fixing block respectively in a sliding mode. A bending groove matched with the positioning plate is connected to the driving block, a punching groove matched with the hole flanging punch is oppositely connected to the interior of the bending groove, the positioning plate slidably penetrates through the hole flanging punch, and a positioning assembly capable of temporarily positioning a workpiece is connected to the positioning plate; the two sides of the bottom end of the first die are connected with driving assemblies which can drive the driving blocks to drive the workpiece to move towards the hole flanging punch. Compared with the prior art, the die has the advantages that stripping is facilitated, machining efficiency is improved, stable positioning is facilitated, and hole flanging deviation is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch die technical field, concretely point to a kind of side hole punching press die structure. BACKGROUND

[0002] The main role of hole punching press die is to make metal material deform by applying pressure in cold stamping processing, to turn the hole edge of sheet metal into vertical edge, to improve the rigidity and assembly performance of parts.

[0003] The existing side hole punching press die structure can drive workpiece to realize hole punching by driving assembly, but workpiece may be stuck on hole punching punch after hole punching, so that stripping is more difficult, and workpiece may be displaced during positioning by punching, which may lead to the deviation of hole punching. UTILITY MODEL CONTENT

[0004] I. Technical problems to be solved

[0005] The technical problem to be solved by the utility model is that hole punching is more difficult to strip, which reduces processing efficiency, and workpiece positioning is not accurate, which may lead to the deviation of hole punching position.

[0006] II. Technical scheme

[0007] To solve the above technical problems, the utility model provides a technical scheme of a side hole punching press die structure, which comprises a first die and a second die, a fixed block is connected to the top of the middle part of the second die, hole punching punches are connected to the two sides of the fixed block, positioning plates and driving blocks are slidably connected to the two sides of the fixed block, a bending groove matched with the positioning plate is connected to the driving block, a punching groove matched with the hole punching punch is connected to the bending groove, the positioning plate is slidably connected to the hole punching punch, a positioning assembly for temporarily positioning workpiece is connected to the positioning plate, and driving assemblies for driving the driving blocks to move workpiece to the hole punching punch are connected to the bottom of the first die.

[0008] Further, guide rods are connected to the two sides of the positioning plate, guide grooves are connected to the fixed block, the guide grooves and the guide rods are in sliding cooperation, first springs are connected between the fixed block and the positioning plate, the positioning plate is slidably connected to the fixed block through the sliding cooperation of the guide grooves and the guide rods, and the positioning plate can be reset when not under stress through the setting of the first springs, so as to facilitate stripping workpiece from the hole punching punch.

[0009] Further, the driving assembly comprises inclined blocks connected to the two sides of the bottom end of the first die, the side of the driving block away from the bending groove is an inclined surface, the driving block and the inclined surface of the inclined block are opposite and parallel to each other, the first die drives the two side inclined blocks to move downward, and the inclined blocks are conveniently driven to slide the driving block through the cooperation of the inclined surface of the driving block.

[0010] Further, the two sides of the top of the side of the driving block close to the inclined surface are respectively connected with connecting plates, the free ends of the connecting plates are rotatably connected with rollers, the two sides of the inclined blocks are respectively connected with inclined grooves matched with the rollers, and the inclined grooves are arranged through the inclined blocks, the cooperation of the connecting plates, the rollers and the inclined grooves is used to convert the cooperation of the inclined blocks and the inclined surface of the driving block into the cooperation of the rollers and the inclined grooves, and the sliding friction is converted into the rolling friction of the rollers, so that the friction between the inclined blocks and the driving block is reduced, and the smooth driving of the driving block by the inclined blocks is facilitated.

[0011] Further, the two sides of the second die are respectively connected with sliding grooves, the driving block is connected with sliding blocks matched with the sliding grooves in a sliding mode, and the second spring is arranged between the sliding blocks and the sliding grooves, the cooperation of the sliding grooves, the sliding blocks and the second spring is used to make the driving block slide with the second die, and the arrangement of the second spring makes the driving block be able to reset when not subjected to force, so that the workpiece is conveniently stripped from the bending groove.

[0012] Further, the positioning assembly comprises a plurality of magnetic absorbers connected to the positioning plate, the magnetic absorbers can be used for absorbing the workpiece, and the magnetic absorbers are arranged in an annular array, so that the workpiece is conveniently positioned.

[0013] III. Advantages

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] The workpiece is positioned on the side of the positioning plate close to the driving block through the positioning assembly, the first die is driven downward, the first die drives the driving block to move to the hole flanging punch through the driving assembly, the workpiece is bent through the bending groove, meanwhile, the driving block drives the workpiece and the positioning plate to move to the fixed block, the hole flanging punch is used for side hole flanging operation on the workpiece, and the cooperation of the first spring and the second spring facilitates the reset of the driving block and the positioning plate and the rapid stripping of the workpiece from the hole flanging punch. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structure schematic view of a side hole flanging stamping die structure.

[0017] Figure 2 is a half structure schematic view of a side hole flanging stamping die structure. Figure 1 .

[0018] Figure 3It is a main section structure schematic diagram of the side hole punching press die structure.

[0019] Figure 4 It is Figure 3 The amplification structure schematic diagram of A in the middle.

[0020] Figure 5 It is a half section structure schematic diagram of the side hole punching press die structure of the utility model Figure 2 .

[0021] As shown in the figure: 1, the first die, 2, the second die, 3, fixed block, 4, hole punch, 5, positioning plate, 6, drive block, 7, bending groove, 8, punch, 9, guide rod, 10, guide slot, 11, first spring, 12, inclined block, 13, roller, 14, inclined slot, 15, sliding slot, 16, sliding block, 17, second spring, 18, magnetic suction, 19, third spring, 20, pressure bar. DETAILED DESCRIPTION

[0022] The technical scheme 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, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor fall within the protection scope of the utility model.

[0023] Embodiment one

[0024] Combined with the drawings Figure 1 And Figure 2 , a side hole punching press die structure, including first die 1 and second die 2, the second die 2 middle top end is connected with fixed block 3, the fixed block 3 both sides are connected with hole punch 4 respectively, the fixed block 3 both sides are connected with positioning plate 5 and drive block 6 respectively, the positioning plate 5 is connected with guide rod 9 respectively on the both sides of hole punch 4, the fixed block 3 is connected with guide slot 10 oppositely, the guide slot 10 is slidably connected with guide rod 9, the first spring 11 is connected between guide rod 9 and positioning plate 5 of fixed block 3, the second die 2 both sides are connected with sliding slot 15 respectively, the sliding block 16 that is slidably connected with sliding slot 15 is connected on drive block 6, the second spring 17 is connected between sliding block 16 and sliding slot 15 of drive block 6, the bending groove 7 that cooperates with positioning plate 5 is connected on drive block 6, the punch 8 that cooperates with hole punch 4 is connected oppositely in bending groove 7, the positioning plate 5 is slidably connected through hole punch 4;

[0025] The bending groove 7 is arranged in the structure, which facilitates the bending of the workpiece, the positioning plate 5 facilitates the support of the workpiece, and the first spring 11 and the second spring 17 facilitate the force movement of the driving block 6 and the positioning plate 5, and the driving block 6 can be reset without force.

[0026] The drawings are combined Figure 1 and Figure 2 The two sides of the bottom end of the first mold 1 are respectively connected with driving assemblies that can drive the driving block 6 to drive the workpiece to move towards the hole flanging punch 4, the driving block 6 is inclined on the side away from the bending groove 7, the driving block 6 and the inclined surface of the inclined block 12 are opposite and parallel to each other, the two sides of the top of the driving block 6 close to the inclined surface are respectively connected with connecting plates, the free ends of the connecting plates are rotatably connected with rollers 13, the two sides of the inclined block 12 are respectively connected with inclined grooves 14 matched with the rollers 13, and the bottom of the inclined groove 14 penetrates through the inclined block 12.

[0027] Through the cooperation of the driving assembly in the structure, the inclined block 12 on the first mold 1 drives the driving block 6 to move towards the workpiece, so that the hole flanging punch 4 penetrates through the workpiece and cooperates with the punching groove 8, thereby realizing the hole flanging operation of the workpiece.

[0028] Embodiment two

[0029] On the basis of embodiment one, combined with Figure 3 , Figure 4 and Figure 5 The positioning plate 5 is connected with a positioning assembly that can temporarily position the workpiece, the positioning assembly includes a plurality of magnetic absorbers 18 connected to the positioning plate 5, the magnetic absorbers 18 can absorb the workpiece, and the magnetic absorbers 18 are arranged in an annular array around the hole flanging punch 4; the bottom of the driving block 6 is connected with recesses on both sides, the recesses are connected with third springs 19, one end of the third spring 19 is connected with a pressing rod 20, the pressing rod 20 is slidably connected with the recess, and the pressing rod 20 extends out of the driving block 6.

[0030] Through the cooperation of the positioning assembly in the structure, the workpiece can be positioned by the cooperation of the magnetic absorbers 18 and the pressing rod 20, so as to avoid the displacement of the workpiece during the bending of the workpiece by the bending groove 7 on the driving block 6, thereby causing inaccurate hole flanging positioning.

[0031] The specific use method is as follows:

[0032] The workpiece is positioned on the side of the positioning plate 5 close to the driving block 6 by the positioning assembly, and the magnetic absorbers 18 arranged in an annular array around the hole flanging punch 4 are used to absorb and position the workpiece;

[0033] Then, by driving the first mold 1 downward, the first mold 1 drives the driving block 6 to move to the hole punching punch 4 through the driving assembly, the first mold 1 drives the two side inclined blocks 12 downward, the inclined block 12 is matched with the inclined surface of the driving block 6, and then the inclined block 12 drives the driving block 6 to slide, the driving block 6 is matched with the second mold 2 to slide through the matching arrangement of the sliding groove 15, the sliding block 16 and the second spring 17, the second spring 17 is compressed to store energy, the matching arrangement of the connecting plate, the roller 13 and the inclined groove 14 converts the matching of the inclined block 12 and the inclined surface of the driving block 6 into the matching of the roller 13 and the inclined groove 14, converts the sliding friction into the rolling friction of the roller 13, and conveniently reduces the friction between the inclined block 12 and the driving block 6, so that the inclined block 12 smoothly drives the driving block 6;

[0034] When the driving block 6 moves to the workpiece direction, the pressing rod 20 first abuts against the bottom of the workpiece, and the top of the workpiece is bent by the bending groove 7, so that the workpiece is not displaced by the bending groove 7, and the top wall of the bending groove 7 is rounded on the open side.

[0035] At the same time, the driving block 6 drives the workpiece and the positioning plate 5 to move to the fixed block 3 direction, the positioning plate 5 stably slides through the sliding matching of the guide groove 10 and the guide rod 9, the first spring 11 is compressed to store energy at this time, the free end of the hole punching punch 4 is a tapered structure, and the workpiece is conveniently punched by the hole punching punch 4;

[0036] Then, the first mold 1 drives the inclined block 12 upward, the positioning plate 5 can be reset when not under stress through the arrangement of the first spring 11, so that the workpiece is conveniently stripped from the hole punching punch 4; the arrangement of the second spring 17 makes the driving block 6 reset when not under stress, so that the workpiece is conveniently stripped from the bending groove 7, and the driving block 6 and the positioning plate 5 are reset and the workpiece is quickly stripped from the hole punching punch 4.

[0037] It should be noted that, in this text, relational terms such as first and second and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying that there is any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus including a list of elements does not only include those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.

[0038] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

[0039] The above describes the present application and its embodiments, which are not restrictive, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the spirit of the present application, without creative design, similar structure and embodiments of the technical solution, which should belong to the protection scope of the present application.

Claims

1. A side draw hole press die structure comprising a first die (1) and a second die (2), characterized in that: The second mold (2) middle top is connected with fixed block (3), both sides of fixed block (3) are connected with hole flanging punch (4) respectively, both sides of fixed block (3) are slidably connected with positioning plate (5) and driving block (6) respectively, driving block (6) is connected with bending groove (7) matched with positioning plate (5), bending groove (7) is connected with punch groove (8) matched with hole flanging punch (4) oppositely, positioning plate (5) is slidably connected with hole flanging punch (4), positioning plate (5) is connected with positioning assembly for temporarily positioning workpiece, both sides of first mold (1) bottom are connected with driving assembly for driving driving block (6) to move workpiece to hole flanging punch (4).

2. A side wall flanging press die structure according to claim 1, wherein: Positioning plate (5) is connected with guide rod (9) on both sides of hole flanging punch (4), guide groove (10) is connected oppositely on fixed block (3), guide groove (10) is slidably matched with guide rod (9), first spring (11) is connected between fixed block (3) and positioning plate (5) of guide rod (9).

3. The side wall hole punching press die structure according to claim 1, wherein: The driving assembly comprises inclined blocks (12) connected to the bottom of the first mold (1) on both sides, the side of the driving block (6) away from the bending groove (7) is a slope, the driving block (6) and the inclined block (12) are oppositely and parallelly matched.

4. A side wall hole punch die structure according to claim 3, wherein: The two sides of the driving block (6) near the top of the slope are connected with connecting plates, the free ends of the connecting plates are rotatably connected with rollers (13), the two sides of the inclined block (12) are connected with inclined grooves (14) matched with the rollers (13), and the inclined grooves (14) are connected with the inclined block (12) at the bottom.

5. The side wall flanging die structure of claim 1 wherein: The two sides of the second mold (2) are connected with sliding grooves (15), the driving block (6) is connected with sliding blocks (16) matched with the sliding grooves (15) in a sliding manner, and the second spring (17) is connected between the sliding blocks (16) and the sliding grooves (15).

6. A side wall hole punch die structure according to claim 1, wherein: The positioning assembly comprises a plurality of magnetic absorbers (18) connected to the positioning plate (5), the magnetic absorbers (18) can absorb the workpiece, and the magnetic absorbers (18) are arranged in an annular array around the hole flanging punch (4).

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