CN221912947U - Mould with anti-sticking material function - Google Patents

Abstract

The utility model relates to the technical field of dies, in particular to a die with a material blocking prevention function, which comprises a lower die, wherein an upper die is movably arranged right above the top end of the lower die, a pressing block is fixedly arranged in the middle of the bottom end of the upper die, and racks are arranged on the lower surfaces of four sides of the upper die; the four sides of the middle part of the lower die are provided with telescopic grooves, the interiors of the four telescopic grooves are movably provided with anti-blocking plates, and the exteriors of the four sides of the lower die are fixedly provided with side boxes; the inside of limit box is provided with anti-sticking mechanism. According to the utility model, through the cooperation between the threaded rod, the gear, the threaded sleeve, the rack and the anti-blocking plates, after the workpiece is pressed and formed, the upper die is pushed up for resetting, at the moment, the rack drives the gear to rotate reversely, and the anti-blocking plates are retracted, so that the four anti-blocking plates on the outer sides of four sides of the formed workpiece are retracted simultaneously, the workpiece is not blocked during material taking, manual operation is not needed, and the purposes of clamping and loosening are automatically realized in the pressing process.

Description

Mould with anti-sticking material function

Technical Field

The utility model relates to the technical field of dies, in particular to a die with a material blocking preventing function.

Background

The mold is a special tool for producing industrial products such as plastic products, rubber products, metal castings and the like, plays an extremely important role in manufacturing industry, particularly in mass production, the design and manufacturing quality of the mold directly affect the quality, cost and new product development capability of the products, and in general, the development of the mold technology has an important significance for improving the production efficiency, reducing the cost and promoting the new product development, and with the continuous progress of the technology, the mold manufacturing is also continuously developed to a direction of higher precision, higher complexity and higher efficiency.

The mold disclosed by the publication number CN102950707B comprises a fixed mold plate and a movable mold plate, wherein the fixed mold plate is provided with a cavity and a positioning pin, and the movable mold plate is provided with a cavity, a positioning pin hole and a side core block. After the technical scheme is adopted, the beneficial effects of the utility model are as follows: the inclined guide groove is adopted at the gate, so that the gate can be designed at any position, and the die is more convenient to design; the utility model makes the die cavity boss in the prior art into the movable die core, and the die core is firstly pulled out when the die is taken out, so that the die can be conveniently taken out.

The device has simple structure and reasonable design, can meet the requirements of users, and has great popularization value;

however, the above patent suffers from the following disadvantages:

The die is characterized in that the die cavity boss in the prior art is made into the movable die core, the die core is firstly pulled out when the die is taken out, and the die can be conveniently taken out, but the die core is manually taken out every time, so that the processing efficiency can be influenced when the die is processed in batches.

Disclosure of utility model

The utility model aims to provide a die with a material blocking preventing function, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a mold with a material blocking prevention function comprises

The upper die is movably arranged right above the top end of the lower die, a pressing block is fixedly arranged in the middle of the bottom end of the upper die, and racks are arranged on the lower surfaces of four sides of the upper die;

The four sides of the middle part of the lower die are provided with telescopic grooves, the interiors of the four telescopic grooves are movably provided with anti-blocking plates, and the exteriors of the four sides of the lower die are fixedly provided with side boxes;

The inside of limit box is provided with anti-sticking mechanism, anti-sticking mechanism is including threaded rod, gear and thread bush.

Preferably, a threaded rod is movably arranged between the side box and the lower die through a bearing, a threaded sleeve is fixedly arranged in the middle of one end of the anti-blocking plate, which is close to the threaded rod, one end of the threaded rod, which is close to the telescopic slot, is movably connected with the threaded sleeve, and a gear is fixedly arranged at the other end of the threaded rod;

Preferably, fixing rods are fixedly arranged at four corners of the top end of the lower die, rod grooves are formed in four corners of the upper die in a penetrating mode, and the fixing rods are movably connected with the rod grooves;

Preferably, sleeves are arranged outside the top ends of the upper die, which are close to the four rod grooves, springs are fixedly arranged outside the top ends of the fixing rods, and the other ends of the springs are fixedly connected to the inner bottom ends of the sleeves;

Preferably, both sides of the inner wall of the telescopic groove are provided with sliding grooves, the outer walls of the middle parts of both sides of the anti-blocking plate are fixedly provided with sliding blocks, and the sliding blocks are in sliding connection with the sliding grooves;

preferably, a transmission groove is arranged right above the top end of the side box, which is close to the gear.

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

1. This mould with anti-sticking material function uses through the cooperation between threaded rod, gear, thread bush, rack and the anti-sticking board, and after work piece compression moulding, go up the mould and push up the reset, at this moment the rack can drive the gear reversal, and then withdraws the anti-sticking board for four anti-sticking boards in the work piece four sides outside withdraw simultaneously after the shaping, and like this when getting the material, the work piece can not block, and need not manual operation, in the suppression process, automatic realization presss from both sides tightly with the purpose of loosening.

2. This mould with anti-sticking material function uses through the cooperation between dead lever, pole groove, sleeve and the spring, when last mould descends, can pull the spring, after the pressure on last mould top disappears, by the spring can control the sleeve rebound and reset, when the sleeve rebound resets, drives the mould and rise in step, can open bed die and last mould fast like this, the workman of being convenient for takes out the work piece after the processing is accomplished.

Drawings

FIG. 1 is a schematic diagram of the overall front view structure of the present utility model;

FIG. 2 is a schematic view of an anti-seize mechanism of the present utility model;

FIG. 3 is a schematic view of the rack structure of the present utility model;

fig. 4 is a schematic view of the spring structure of the present utility model.

In the figure: 1. a lower die; 2. an upper die; 3. briquetting; 4. a rack; 5. a telescopic slot; 6. an anti-blocking plate; 7. a side box; 8. an anti-seize mechanism; 801. a threaded rod; 802. a gear; 803. a thread sleeve; 9. a fixed rod; 10. a rod groove; 11. a sleeve; 12. a spring; 13. a chute; 14. a slide block; 15. a transmission groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, the present utility model provides a technical solution:

A die with a material blocking prevention function comprises a lower die 1, wherein an upper die 2 is movably arranged right above the top end of the lower die 1, a pressing block 3 is fixedly arranged in the middle of the bottom end of the upper die 2, and racks 4 are arranged on the lower surfaces of four sides of the upper die 2; the four sides of the middle part of the lower die 1 are respectively provided with a telescopic groove 5, the interiors of the four telescopic grooves 5 are respectively movably provided with a clamping plate 6, and the exteriors of the four sides of the lower die 1 are respectively fixedly provided with a side box 7; the inside of the side box 7 is provided with an anti-blocking mechanism 8, and the anti-blocking mechanism 8 comprises a threaded rod 801, a gear 802 and a thread bush 803; a threaded rod 801 is movably installed between the side box 7 and the lower die 1 through a bearing, a threaded sleeve 803 is fixedly installed in the middle of one end, close to the threaded rod 801, of the anti-clamping plate 6, one end, close to the telescopic groove 5, of the threaded rod 801 is movably connected with the threaded sleeve 803, and a gear 802 is fixedly installed at the other end of the threaded rod 801;

In this embodiment, after the workpiece is pressed and formed, the upper die 2 is pushed up and reset, at this time, the rack 4 drives the gear 802 to rotate reversely, and then the anti-blocking boards 6 are retracted, so that the four anti-blocking boards 6 on the outer sides of four sides of the formed workpiece are retracted simultaneously, the workpiece is not blocked when being taken out, manual operation is not needed, and the purposes of clamping and loosening are automatically achieved in the pressing process.

As shown in fig. 1 and 4, fixing rods 9 are fixedly installed at four corners of the top end of the lower die 1, rod grooves 10 are formed in four corners of the upper die 2 in a penetrating manner, the fixing rods 9 are movably connected with the rod grooves 10, sleeves 11 are arranged outside the top ends of the upper die 2, which are close to the four rod grooves 10, of the upper die 2, springs 12 are fixedly installed outside the top ends of the fixing rods 9, and the other ends of the springs 12 are fixedly connected with the inner bottom ends of the sleeves 11;

In this embodiment, when the upper die 2 descends, the spring 12 will be pulled, when the pressure at the top end of the upper die 2 disappears, the stretched spring 12 will control the sleeve 11 to rebound and reset, and when the sleeve 11 rebounds and resets, the upper die 2 is driven to synchronously lift, so that the lower die 1 and the upper die 2 can be rapidly opened, and a worker can conveniently take out a machined workpiece.

As shown in fig. 2, both sides of the inner wall of the telescopic slot 5 are provided with sliding slots 13, the outer walls of the middle parts of both sides of the anti-blocking plate 6 are fixedly provided with sliding blocks 14, and the sliding blocks 14 are in sliding connection with the sliding slots 13;

In this embodiment, when the anti-locking plate 6 moves back and forth, the sliding blocks 14 at two ends of the anti-locking plate 6 slide synchronously along the sliding grooves 13 at two sides of the telescopic slot 5, and then cooperate with the threaded rod 801 and the threaded sleeve 803 to control the anti-locking plate 6 to move along a straight line all the time.

As shown in fig. 1, a transmission groove 15 is arranged right above the top end of the side box 7 close to the gear 802;

in this embodiment, the driving slot 15 formed at the top end of the rack 4 is used for the rack 4 to go deep and withdraw.

Working principle: during processing, the workpiece is pressed and formed through the lower die 1 and the upper die 2, when the upper die 2 is pressed down, four racks 4 at the bottom end of the upper die 2 can penetrate from one side of a transmission groove 15 at the top end of the side box 7 at the same time, then the gear 802 is controlled to rotate, the threaded rod 801 is driven to rotate when the gear 802 rotates, the threaded rod 801 is controlled to linearly push forward when the threaded sleeve 803 is controlled to push forward, the anti-blocking plates 6 are driven to synchronously move when the threaded sleeve 803 pushes forward, rectangular grooves formed by the front faces of the four anti-blocking plates 6 are plastic grooves, and after the workpiece is pressed and formed, the upper die 2 is reset at the top, at the moment, the racks 4 can drive the gear 802 to rotate reversely, and then the anti-blocking plates 6 are retracted, so that the four anti-blocking plates 6 at the outer sides of four sides of the formed workpiece are retracted simultaneously.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A mould with anti-sticking material function, its characterized in that: comprising

The upper die (2) is movably arranged right above the top end of the lower die (1), a pressing block (3) is fixedly arranged in the middle of the bottom end of the upper die (2), and racks (4) are arranged on the lower surfaces of four sides of the upper die (2);

The four sides of the middle part of the lower die (1) are provided with telescopic grooves (5), the interiors of the four telescopic grooves (5) are movably provided with anti-blocking plates (6), and the exteriors of the four sides of the lower die (1) are fixedly provided with side boxes (7);

the inside of limit box (7) is provided with anti-sticking mechanism (8), anti-sticking mechanism (8) are including threaded rod (801), gear (802) and thread bush (803).

2. The mold with anti-jamming function according to claim 1, wherein: threaded rod (801) is movably mounted between side box (7) and lower die (1) through a bearing, threaded sleeve (803) is fixedly mounted at the middle part of one end of anti-blocking plate (6) close to threaded rod (801), one end of threaded rod (801) close to expansion groove (5) is movably connected with threaded sleeve (803), and gear (802) is fixedly mounted at the other end of threaded rod (801).

3. The mold with anti-jamming function according to claim 1, wherein: fixing rods (9) are fixedly installed at four corners of the top end of the lower die (1), rod grooves (10) are formed in four corners of the upper die (2) in a penetrating mode, and the fixing rods (9) are movably connected with the rod grooves (10).

4. A mold with a jamming prevention function according to claim 3, wherein: the upper die (2) is close to the top outsides of the four rod grooves (10) and is provided with sleeves (11), springs (12) are fixedly arranged outside the top ends of the fixing rods (9), and the other ends of the springs (12) are fixedly connected to the inner bottom ends of the sleeves (11).

5. The mold with anti-jamming function according to claim 1, wherein: sliding grooves (13) are formed in two sides of the inner wall of the telescopic groove (5), sliding blocks (14) are fixedly mounted on the outer walls of the middle parts of two sides of the anti-clamping plate (6), and the sliding blocks (14) are in sliding connection with the sliding grooves (13).

6. A mold with a jamming prevention function according to claim 2, characterized in that: and a transmission groove (15) is formed in the position, close to the top end of the gear (802), of the side box (7).