Negative angle shaping die structure

Abstract

The utility model discloses a negative angle shaping die structure. The negative angle shaping die structure comprises a lower die; the upper die is mounted on the lower die in a sliding manner through matching of a guide rod and a sleeve, and a convex die is arranged on the lower surface of the upper die; the at least two guide blocks are symmetrically arranged at the front end and the rear end of the upper surface of the lower die; the two female dies are symmetrically arranged on the two sides of the male die, and the two ends of the female dies are in sliding fit with the two guide blocks respectively; by arranging the wedge, the guide block, the female die, the male die and the inner expansion die assembly, the problems that forming can be achieved only through multiple times of machining in the prior art, efficiency is low, and consumed equipment manpower is large are avoided, the device can be operated only through one piece of equipment and one person, the requirements for personnel and equipment are greatly reduced, one-time forming can be conducted, and the machining efficiency is greatly improved; and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a negative angle shaping die structure. BACKGROUND

[0002] When the negative angle workpiece is processed, it is difficult to use conventional process to form once, such as Figure 4 The workpiece 1 to workpiece 2 (the workpiece 2 is large on the mouth, and the mouth is small in the negative angle state) cannot be formed once, needs to be shaped three times, such as Figure 5 When processing, the mouth (upper mouth) is shaped first, the hydraulic machine is shaped, the side (upper surface) is shaped, the punch is shaped, and the side (lower surface) is shaped finally, the punch is shaped, and the shaped number required by this kind of shaping is more, the equipment and the number of personnel required are more, it is time-consuming and laborious, and the efficiency is low, so we propose a negative angle shaping die structure. UTILITY MODEL CONTENT

[0003] The utility model is aimed at providing a negative angle shaping die structure to solve the problem of the existing negative angle product processing shaping number and low efficiency in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a negative angle shaping die structure, comprising:

[0005] Lower die;

[0006] Upper die, which is slidably installed on the lower die through a guide rod and a sleeve, and the lower surface of the upper die has a male die;

[0007] At least two guide blocks, symmetrically arranged at the front and rear ends of the upper surface of the lower die;

[0008] Two female dies, symmetrically arranged on both sides of the male die, and the two ends of the female die are slidably connected with the two guide blocks respectively;

[0009] A moving adjusting assembly is arranged on the lower die to drive the female die to move;

[0010] A wedge is arranged on the lower surface of the upper die to resist the female die to continue to move and complete the die closing;

[0011] An inner expansion die assembly is arranged on the lower die corresponding to the female die to expand the product from the inside to both sides.

[0012] Preferably, the moving adjusting assembly comprises a fixed plate and a cylinder, the fixed plate is fixed on the upper surface of the lower die, one side wall of the fixed plate is provided with the cylinder, the output rod of the cylinder is matched with one side wall of the female die, and the wedge is provided with a through hole corresponding to the output rod of the cylinder.

[0013] Preferably, the air cylinder is provided with two, two air cylinders are symmetrically distributed along the punch.

[0014] Preferably, the wedge is provided with two, the wedge is fixed with the upper die through bolts.

[0015] Preferably, the recessed die is provided with a sliding groove at both ends, and the guide block is provided with a guide block on one side wall corresponding to the sliding groove.

[0016] Preferably, the inner expansion die assembly includes a fixed seat, an inner expansion die and an insert knife, the fixed seat is fixed to the upper surface of the lower die, the inner side wall of the fixed seat is provided with two inner expansion dies symmetrically, and the lower end of the punch has an insert knife for pushing the inner expansion die to move.

[0017] Preferably, the inner side of the fixed seat is provided with a spring for pushing the inner expansion die to reset.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] By setting the wedge, the guide block, the recessed die, the punch and the inner expansion die assembly, the traditional need for multiple processing to form is avoided, the efficiency is low, the equipment and manpower are consumed more, the device only needs a device and one person to operate, the demand of personnel and equipment is greatly reduced, the one-time forming can be carried out, the processing efficiency is greatly improved, and the practicability of the device is increased. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a wedge structure schematic diagram of the utility model;

[0022] Figure 3 It is a recessed die sectional view structure schematic diagram of the utility model;

[0023] Figure 4 It is a negative angle workpiece structure schematic diagram of the prior art;

[0024] Figure 5 It is a negative angle workpiece processing structure schematic diagram of the prior art.

[0025] In the drawing: 1, lower die; 2, upper die; 3, wedge; 301, through hole; 4, air cylinder; 5, guide block; 6, fixed plate; 7, recessed die; 8, punch; 9, fixed seat; 10, inner expansion die; 11, insert knife. DETAILED DESCRIPTION

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-5 This utility model provides a technical solution: a negative angle shaping mold structure, comprising:

[0028] Lower mold 1;

[0029] The upper mold 2 is slidably mounted on the lower mold 1 through the cooperation of the guide rod and the sleeve, and the lower surface of the upper mold 2 has a punch 8, which facilitates the flaring and forming of the upper opening of the product;

[0030] At least two guide blocks 5 are symmetrically arranged at the front and rear ends of the upper surface of the lower mold 1;

[0031] Two concave dies 7 are symmetrically arranged on both sides of the convex die 8, and the two ends of the concave dies 7 are respectively slidably engaged with two guide blocks 5, which facilitates mold closing and uses the force of the equipment to extrude and form the product.

[0032] A movable adjustment component is mounted on the lower mold 1 to drive the cavity mold 7 to move;

[0033] The inclined wedge 3 is set on the lower surface of the upper mold 2 to abut against the cavity mold 7 and continue to move to complete the mold closing;

[0034] The inner expansion mold assembly is set on the lower mold 1 and corresponds to the cavity mold 7 so that the product expands from the inside to both sides, which facilitates the processing of the side of the product.

[0035] In this embodiment, preferably, the movable adjustment component includes a fixed plate 6 and a cylinder 4. The fixed plate 6 is fixed to the upper surface of the lower mold 1, and a cylinder 4 is provided on one side wall of the fixed plate 6. The output rod of the cylinder 4 cooperates with one side wall of the die 7. A through hole 301 corresponding to the output rod of the cylinder 4 is provided through the inner side of the wedge 3 to facilitate the adjustment of the position of the die 7.

[0036] In this embodiment, preferably, there are two cylinders 4, which are symmetrically distributed along the punch 8, so as to better adjust the position of the two dies 7.

[0037] In this embodiment, preferably, two wedges 3 are provided, and the wedges 3 are fixed to the upper mold 2 by bolts, so that the two wedges 3 can push the two concave molds 7 to move.

[0038] In the embodiment, preferably, the recessed die 7 is provided with a sliding groove at both end faces, and the guiding block 5 is provided with a guiding protrusion corresponding to the sliding groove, so that the recessed die 7 can be horizontally moved.

[0039] In the embodiment, preferably, the inner expanding die assembly comprises a fixing seat 9, an inner expanding die 10 and a knife 11, the fixing seat 9 is fixed to the middle part of the upper surface of the lower die 1, the inner side wall of the fixing seat 9 is symmetrically provided with two inner expanding dies 10, and the lower end of the protruding die 8 is provided with the knife 11 for pushing the inner expanding die 10 to move, so that the inner expanding die 10 can be pushed to move by the knife 11 to process and form the side surface of the product.

[0040] In the embodiment, preferably, the inner side of the fixing seat 9 is provided with a spring for pushing the inner expanding die 10 to reset, so that the position of the inner expanding die 10 can be adjusted to reset.

[0041] The working principle and use process of the utility model are as follows: in use, the cylinder 4 separates the two recessed dies 7, the product to be processed is placed on the fixing seat 9, the knife 11 is inserted into the product, the cylinder 4 is used to push the two recessed dies 7 to approach to pre-clamp the product, the upper die 2 is pressed downward to move by using the power of the equipment, the inclined wedge 3 continues to push the recessed die 7 to move, finally the two recessed dies 7 approach to completely close the die, the protruding die 8 moves downward with the die to shape the upper opening of the product, the protruding die 8 drives the knife 11 to move downward to make the inner expanding die 10 expand to the two sides, the side surface of the product is processed and formed, after the die is closed and formed, the lower die 1 and the upper die 2 are separated from each other, the cylinder 4 is used to open the two recessed dies 7, and the processed product can be taken out.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A negative angle trimming die structure, characterized by, The utility model relates to a moulding machine, which comprises: a lower mould (1); an upper mould (2) slidably mounted on the lower mould (1) through a sleeve matched with a guide rod, and the lower surface of the upper mould (2) is provided with a male mould (8); at least two guide blocks (5) symmetrically arranged at the front and rear ends of the upper surface of the lower mould (1); two female moulds (7) symmetrically arranged at the two sides of the male mould (8), and the two ends of the female mould (7) are slidably matched with the two guide blocks (5), respectively; a movement adjusting assembly arranged on the lower mould (1) to drive the female mould (7) to move; a wedge (3) arranged on the lower surface of the upper mould (2) to resist the female mould (7) to continue moving to complete the mould closing; an inner expansion mould assembly arranged on the lower mould (1) corresponding to the female mould (7) to make the product expand from the inside to the two sides.

2. A negative angle-truing die structure according to claim 1, wherein: The movement adjusting assembly comprises a fixed plate (6) and a cylinder (4), the fixed plate (6) is fixed on the upper surface of the lower mould (1), one side wall of the fixed plate (6) is provided with the cylinder (4), the output rod of the cylinder (4) is matched with one side wall of the female mould (7), and the inner side of the wedge (3) is provided with a through hole (301) corresponding to the output rod of the cylinder (4).

3. A negative angle-trimming die structure according to claim 2, wherein: The cylinder (4) is provided with two parts, and the two parts of the cylinder (4) are symmetrically distributed along the male mould (8).

4. A negative angle-truing die structure according to claim 1, wherein: The wedge (3) is provided with two parts, and the wedge (3) is fixed to the upper mould (2) through bolts.

5. A negative angle-truing die structure according to claim 1, wherein: The two end surfaces of the female mould (7) are provided with sliding grooves, and one side wall of the guide block (5) is provided with a guide protrusion corresponding to the sliding groove.

6. A negative angle-truing die structure according to claim 1, wherein: The inner expansion mould assembly comprises a fixed seat (9), an inner expansion mould (10) and a knife (11), the fixed seat (9) is fixed on the middle part of the upper surface of the lower mould (1), two inner expansion moulds (10) are symmetrically arranged on the inner side wall of the fixed seat (9), the lower end of the male mould (8) is provided with the knife (11) for driving the inner expansion mould (10) to move.

7. A negative angle-trimming die structure according to claim 6, wherein: The inner side of the fixed seat (9) is provided with a spring for driving the inner expansion mould (10) to reset.

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