Die with self-locking function

Abstract

The utility model discloses a mold with a self-locking function, which comprises a front mold base, a rear mold base and an inclined guide pillar, a front mold core is mounted in the front mold base, a rear mold core is mounted in the rear mold base, an oil cylinder fixing plate is arranged in the middle of the rear mold base, an oil cylinder is mounted on the oil cylinder fixing plate, and a driving end of the oil cylinder is connected with an oil cylinder pull rod. An oil cylinder pull rod is vertically and upwards connected with a guide block, guide pressing plates are arranged on the two sides of the guide block and fixedly connected with the rear mold core, an inner sliding block is installed in the front mold core, and the inclined face of one side of the guide block is in sliding connection with the inclined face of one side of the inner sliding block. According to the mold with the self-locking function, the oil cylinder is used for controlling the guide block to move up and down, so that the inner sliding block is self-locked from the inner side of a product under the condition that inclined planes are mutually attached, when the mold needs to be opened, the oil cylinder pull rod pulls the guide block downwards, the inner sliding block is retreated under the sliding action, and the self-locking function achieves the unlocking effect; relative movement is formed under the sliding action of the T-shaped groove, and the mold opening and closing requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mould, especially a mould with self -locking function. BACKGROUND

[0002] At present, in the mould, the product with arc, inclined shape and other special shape is formed, because the mould does not have self -locking function, leads to product not limiting, and the product is deviated in the process of opening and closing mould, influences the quality of product. UTILITY MODEL CONTENTS

[0003] One purpose of the utility model is to provide a mould with self -locking function, in the existence of self -locking function, product is relatively fixed when closing mould, and the locking position is opened automatically when opening mould, and product is conveniently taken out.

[0004] In order to achieve this purpose, the utility model adopts the following technical scheme:

[0005] A mould with self -locking function, including front mould embryo, rear mould embryo and inclined guide pillar, the inside of front mould embryo is installed with front mould core, the inside of rear mould embryo is installed with rear mould core, one side of rear mould embryo is fixed with pressure bar, the pressure bar is slid along horizontal direction with slider seat, the slider seat is slid in the inclined direction with inclined guide pillar, the slider seat is fixed with excavator, the inside of slider seat is slid along vertical direction with outer slider, the middle part of rear mould embryo is provided with oil cylinder fixed plate, the oil cylinder fixed plate is installed with oil cylinder, the drive end of oil cylinder is connected with oil cylinder pull rod, the oil cylinder pull rod is connected with guide block vertically upwards, the both sides of guide block are provided with guide pressing plate, the guide pressing plate is fixedly connected with rear mould core, the inside of front mould core is installed with inner slider, the side slope of guide block is slid with the side slope of inner slider.

[0006] As a preferred technical scheme, the side of pressure bar is provided with exhaust block, and the exhaust block is fixed on the rear mould embryo.

[0007] As a preferred technical scheme, the front mould embryo is provided with sprue bush, the lower end of sprue bush is provided with water ring, the front mould core and rear mould core are distributed with runner, and the water ring is communicated with the runner.

[0008] As a preferred technical scheme, the lower side of rear mould embryo is provided with square iron, the lower end of square iron is connected with ejector face plate and ejector bottom plate, the ejector bottom plate is fixed with support head, and the support head is connected with rear mould embryo after passing through ejector face plate.

[0009] As a preferred technical scheme, the ejector pin bottom plate is connected with the rear die blank, and a return pin is arranged between the ejector pin bottom plate and the rear die blank.

[0010] As a preferred technical scheme, the ejector pin bottom plate is connected with the rear die blank, and a return pin is arranged between the ejector pin bottom plate and the rear die blank.

[0011] As a preferred technical scheme, the rear die blank is provided with guide sleeves around the periphery, and the front die blank is provided with guide columns around the periphery, and the guide columns are inserted into the guide sleeves.

[0012] As a preferred technical scheme, the guide block is rotatably connected with rollers on both sides, and the rollers roll on the guide pressing plate.

[0013] The beneficial effect of the utility model is: provide a mould with self-locking function, the mould with self-locking function utilizes the up-and-down movement of oil cylinder control guide block, make in the case of mutual adhesion of inclined plane from the inside of product with inner slide block self-locking, when needing to open mould, oil cylinder pull rod pull guide block downward, under the action of sliding, the inner slide block is returned, the self-locking function reaches the effect of opening, under the action of T groove sliding, relative motion is formed, satisfy the demand of mold opening and closing. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be further explained in detail according to the drawings and examples.

[0015] Figure 1 It is the whole structure schematic diagram of the mould with self-locking function of example described;

[0016] Figure 2 It is the first internal structure diagram of the mould with self-locking function of example described;

[0017] Figure 3 It is the second internal structure diagram of the mould with self-locking function of example described;

[0018] Figure 4 It is the third internal structure diagram of the mould with self-locking function of example described.

[0019] Figures 1 to 4 In the middle:

[0020] 1. Front mold blank; 2. Rear mold blank; 3. Angled guide pillar; 4. Front mold core; 5. Rear mold core; 6. Pressure strip; 7. Slider seat; 8. Scraper; 9. Outer slider; 10. Hydraulic cylinder fixing plate; 11. Hydraulic cylinder; 12. Hydraulic cylinder tie rod; 13. Guide block; 14. Guide pressure plate; 15. Inner slider; 16. Venting block; 17. Sprue bushing; 18. Water ring; 19. Runner; 20. Square iron; 21. Ejector plate; 22. Ejector base plate; 23. Support head; 24. Return pin; 25. Ejector block; 26. Ejector limit block; 27. Guide sleeve; 28. Guide pillar; 29. ​​Roller; 30. Product. Detailed Implementation

[0021] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0022] like Figures 1 to 4 As shown in this embodiment, a mold with a self-locking function includes a front mold blank 1, a rear mold blank 2, and an inclined guide post 3. A front mold core 4 is installed inside the front mold blank 1, and a rear mold core 5 is installed inside the rear mold blank 2. A pressure strip 6 is fixed on one side of the rear mold blank 2. A slider seat 7 slides on the pressure strip 6 in the horizontal direction. The slider seat 7 is slidably connected to the inclined guide post 3 in the inclined direction. A shovel 8 is fixed on the slider seat 7. An outer slider 9 slides on the inner side of the slider seat 7 in the vertical direction. A hydraulic cylinder fixing plate 10 is provided in the middle of the rear mold blank 2. A hydraulic cylinder 11 is installed on the hydraulic cylinder fixing plate 10. A hydraulic cylinder pull rod 12 is connected to the driving end of the hydraulic cylinder 11. A guide block 13 is vertically connected to the hydraulic cylinder pull rod 12. Guide pressure plates 14 are provided on both sides of the guide block 13. The guide pressure plates 14 are fixedly connected to the rear mold core 5. An inner slider 15 is installed inside the front mold core 4. One inclined surface of the guide block 13 is slidably connected to one inclined surface of the inner slider 15.

[0023] In the more specific structure of the mold, the side of the compression strip 6 is provided with an exhaust block 16 fixed on the rear mold base 2, the front mold base 1 is provided with a sprue bushing 17, the lower end of the sprue bushing 17 is provided with a water ring 18, the front mold core 4 and the rear mold core 5 are distributed with flow channels 19, the water ring 18 is communicated with the flow channels 19, the lower side of the rear mold base 2 is provided with a square iron 20, the lower end of the square iron 20 is connected with a ejector face plate 21 and an ejector bottom plate 22, the ejector bottom plate 22 is fixed with a support head 23, the support head 23 passes through the ejector face plate 21 and is connected with the rear mold base 2, the ejector bottom plate 22 and the rear mold base 2 are connected with a return needle 24, the lower end of the return needle 24 is installed with an ejector top block 25, the ejector top block 25 is fixed on the ejector bottom plate 22, the lower end of the oil cylinder fixing plate 10 is installed with an ejector limiting block 26, the ejector limiting block 26 is between the rear mold base 2 and the ejector face plate 21, the periphery of the rear mold base 2 is installed with a guide sleeve 27, the periphery of the front mold base 1 is installed with a guide column 28, the guide column 28 is inserted into the guide sleeve 27, the two sides of the guide block 13 are rotatably connected with a roller shaft 29, and the roller shaft 29 rolls on the guide pressing plate 14.

[0024] In the mold opening state, the mold opening of the inner slide block 15 needs to be carried out first, the oil cylinder 11 is controlled by the oil pressure, the oil cylinder pull rod 12 pulls the guide block 13 to move downward, the inner slide block 15 moves backward under the sliding action of the T groove of the guide block 13 to open the mold, and the oil cylinder 11 reaches the limit position after opening the mold. In the mold closing state, the oil cylinder 11 drives the guide block 13 under the action of the oil pressure, and the inner slide block 15 moves forward under the action of the guide block 13 and presses against the inner side of the product 30 to complete the self-locking assembly function.

[0025] It should be stated that the above specific embodiments are only the preferred embodiments of the utility model and the applied technical principles, and any changes or replacements easily thought by any skilled person in the technical field within the technical range disclosed by the utility model should be covered in the protection range of the utility model.

Claims

1. A mold having a self-locking function, characterized by, Include front mould embryo, rear mould embryo and inclined guide pillar, the inside of front mould embryo is equipped with front mould core, the inside of rear mould embryo is equipped with rear mould core, one side of rear mould embryo is fixed with pressing strip, sliding block seat is slid along horizontal direction on pressing strip, sliding block seat and inclined guide pillar are slidably connected in inclined direction, shovel is fixed on sliding block seat, outside sliding block is slid along vertical direction on the inside of sliding block seat, oil cylinder fixing plate is arranged in the middle of rear mould embryo, oil cylinder is installed on oil cylinder fixing plate, oil cylinder pull rod is connected to the drive end of oil cylinder, guide block is connected vertically upwards to the oil cylinder pull rod, guide block is provided with guide pressing plate on both sides, guide pressing plate is fixedly connected with rear mould core, inner sliding block is installed in the inside of front mould core, one side inclined surface of guide block is slidably connected with one side inclined surface of inner sliding block.

2. The mold with self-locking function according to claim 1, characterized in that, The side of the pressing strip is provided with an exhaust block, and the exhaust block is fixed on the rear mold embryo.

3. The mold with self-locking function according to claim 1, characterized in that, The front mold embryo is provided with a sprue bushing, the lower end of the sprue bushing is provided with a water ring, the front mold core and the rear mold core are distributed with flow channels, and the water ring is in communication with the flow channels.

4. The mold with self-locking function according to claim 1, characterized in that, The lower side of the rear mold embryo is provided with a square iron, the lower end of the square iron is connected with a thimble face plate and a thimble bottom plate, the thimble bottom plate is fixed with a support head, the support head passes through the thimble face plate and is connected with the rear mold embryo.

5. The mold with self-locking function according to claim 4, characterized in that, The thimble bottom plate and the rear mold embryo are connected with a needle return, the lower end of the needle return is provided with a thimble top block, and the thimble top block is fixed on the thimble bottom plate.

6. The mold with self-locking function according to claim 4, characterized in that, The lower end of the oil cylinder fixing plate is provided with a thimble limiting block, and the thimble limiting block is between the rear mold embryo and the thimble face plate.

7. The mold with self-locking function according to claim 1, characterized in that, The periphery of the rear mold embryo is provided with a guide sleeve, and the periphery of the front mold embryo is provided with a guide column, and the guide column is inserted into the guide sleeve.

8. The mold with self-locking function according to claim 1, characterized in that, The both sides of the guide block are rotatably connected with the rolling shafts, and the rolling shafts roll on the guide pressing plate.

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