CN107116830B - A U-shaped compression molding equipment for concave forming plate - Google Patents

Abstract

The invention discloses a compression molding equipment for concavely forming a molded plate, which includes a workbench, a lifting platform and a lifting hydraulic cylinder. A detachable split-type concave mold composed of a plurality of combined molds is provided under the workbench. The concave mold is provided with a plurality of combined molds of the concave mold, which can be expanded and contracted, and the elastic connecting plate of the concave shape is provided. The two ends of the concave mold can be squeezed to make the concave mold The side pressure hydraulic cylinder that the connecting plate shrinks, the adjustment device that can adjust the displacement of the die and lock it is provided between the workbench and the die, and the lift table is detachable. A punch connected to the die. The present invention is simple in structure, easy to assemble and disassemble, and avoids damage to the die by using a split die composed of multiple combined dies as the die, effectively prolonging the service life of the die, reducing costs, improving product quality, and having a wide range of applications .

Description

U-shaped die equipment for concave forming plate

technical field

The invention relates to the technical field of forming plate production, more specifically, it relates to a compression molding equipment for concavely forming a forming plate.

Background technique

During the production process of the forming board, various shapes of forming board pressing molds will be involved. U-shaped forming boards are widely used, therefore, concave molding equipment is also widely used in enterprise production. The current concave molding equipment is usually composed of an upper mold and a lower mold. The forming plate is placed in a lower mold with a concave groove, and then the upper mold is moved down using a hydraulic cylinder to press out the concave shape. plate. In this kind of equipment, the two ends of the lower mold are two integral iron blocks arranged vertically, which are only a mold with a concave groove. However, when pressing the mold, due to the effect of pressure, the upper mold will pass through The forming plate transmits the force, so that the lower mold is stretched to both sides, which causes the deformation of the lower mold, and the precision of the pressing mold is not high, which leads to the low quality of the product. Moreover, after the number of times of use, the lower mold will break, thus Cause equipment damage, resulting in economic losses.

Contents of the invention

The technical problem to be solved by the present invention is to provide a concave forming plate compression molding equipment with simple structure, wide application range, effectively prolonging the service life of the equipment and improving product quality.

The technical solution of the present invention is as follows: a die-casting equipment for forming a concave molding plate, including a workbench, a lifting platform and a lifting hydraulic cylinder, and a detachable sub-unit consisting of a plurality of combined molds is provided under the workbench. A body-type die, the die is provided with a plurality of combined molds of the die connected and expandable and shrinkable concave elastic connecting plate, the two ends of the die are provided with the die that can squeeze the die The side pressure hydraulic cylinder that makes the connecting plate shrink, the adjustment device that can adjust the displacement of the die and lock it is provided between the workbench and the die, and the lift table can be disassembled There is a punch that can be inserted into the die.

As a further improvement, the concave mold includes a bottom mold connected to the workbench and symmetrically arranged side molds located at both ends of the bottom mold, and the bottom mold and the side molds are connected through the connecting plate .

Further, a relief gap is provided between the bottom mold and the side mold to avoid the interference between the bottom mold and the side mold due to the expansion of the connecting plate, and the relief gap is a triangle with a wide outside and a narrow inside. gap.

Further, the end of the side pressure hydraulic cylinder close to the die is provided with a push plate that can be adjusted up and down to squeeze and push the die respectively.

Further, the adjusting device includes a lower fixing block at the bottom of the die, a first opening slot at the edge of the lower fixing block, a second opening slot at the bottom edge of the workbench, and a Locking bolts for locking the die on the workbench are provided in the first open slot and the second open slot.

Further, a locking device for locking the punch is provided between the punch and the lifting platform, and the locking device includes a third opening slot at the bottom edge of the lifting platform and a third opening slot at the bottom edge of the lifting platform. The upper fixing block at the top edge of the punch and the fixing bolts inserted into the third opening groove and the upper fixing block to fix the punch on the lifting platform.

Further, a guide rod connected with the lifting platform and capable of reciprocating up and down relative to the workbench is provided above the workbench.

Further, both sides of the female mold and the male mold are provided with a plurality of lifting lugs for hoisting.

Beneficial effect

Compared with the prior art, the present invention has the following advantages:

1. The present invention is simple in structure and easy to manufacture. By adopting a split mold composed of multiple combined molds as the concave mold, and connecting the combined molds through elastic connecting plates, the forming plate is pressed down by the punch, and then the hydraulic pressure is applied to the side. The cylinder extrudes the die to form a complete concave forming plate, which solves the problem of damage to the integral die due to pressure, effectively prolongs the service life of the die, reduces costs, and improves product quality; its detachable Dies and punches are easy to replace molds of different sizes, and meet the pressure molds of various specifications for concave forming plates, and have a wide range of applications; the design of its adjustment device and push plate is conducive to mold installation, reduces labor intensity, and has strong practicability , easy to operate.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the present invention;

Fig. 2 is the left view structural representation of the present invention;

Fig. 3 is the enlarged schematic diagram of the structure that punch and die cooperate among the present invention;

FIG. 4 is an enlarged schematic view of a partial top view structure at A in FIG. 1;

FIG. 5 is an enlarged schematic view of a partial bottom-view structure at B in FIG. 1 .

Among them: 1-working table, 2-lifting table, 3-lifting hydraulic cylinder, 4-die, 5-connecting plate, 6-side pressure hydraulic cylinder, 7-adjusting device, 8-punch, 9-gap , 10-push plate, 11-locking device, 12-guide rod, 13-hanging lug, 4a-bottom mold, 4b-side mold, 7a-lower fixing block, 7b-first opening slot, 7c-second opening Slot, 7d-locking bolt, 11a-the third opening groove, 11b-upper fixing block, 11c-fixing bolt.

Detailed ways

The present invention will be further described below in conjunction with the specific embodiments in the accompanying drawings.

Referring to Fig. 1-5, a kind of die-casting equipment of the present invention, comprises workbench 1 and elevating platform 2 and lifting hydraulic cylinder 3, wherein, workbench 1 is a gantry frame, and the bottom is a platform, lifts The platform 2 is located above the platform in the gantry frame, and the lifting hydraulic cylinder 3 drives the lifting platform 2 to reciprocate up and down in the workbench 1. A split die 4 composed of multiple combined molds is detachably provided under the workbench 1. , in the die 4, be provided with the elastic connecting plate 5 of the concave shape of this die 4 that is connected and can expand and contract a plurality of combined molds of the die 4, and the two ends of the die 4 are provided with the die 4 that can be extruded so that The side pressure hydraulic cylinder 6 contracted by the connecting plate 5 is provided with an adjustment device 7 that can adjust the displacement of the die 4 and lock it between the workbench 1 and the die 4, and is used to install and fix the die 4. 2 is detachably provided with a punch 8 that can be plugged into the die 4. The punch 8 is adapted in shape to the shape of the groove in the die 4 and is smaller than the size of the groove in the die 4. matching mold. The present invention is simple in structure and easy to manufacture. By adopting a split mold composed of a plurality of combined molds as the die 4, and connecting the combined molds through the elastic connecting plate 5, the forming plate is pressed down by the punch 8, and then pressed by the side. The hydraulic cylinder 6 squeezes the die 4 to form a complete concave forming plate, which solves the problem of damage to the integral die due to pressure, effectively prolongs the service life of the die, reduces costs, and improves product quality; The detachable die 4 and punch 8 are convenient for changing molds of different sizes, and meet the pressure dies of various specifications for concave forming plates, and have a wide range of applications; the design of the adjustment device 7 facilitates mold installation and reduces labor intensity. It is practical and easy to operate.

In the present embodiment, its die 4 comprises the bottom mold 4a that links to each other with workbench 1 and the side mold 4b that is positioned at the symmetrical arrangement of this bottom mold 4a two ends, and the two are mutually separated structures, and wherein, bottom mold 4a and side mold 4b are connected by connecting plate 5, which has good elastic properties and achieves the purpose of buffering pressure. There is also a gap between bottom mold 4a and side mold 4b to avoid interference between bottom mold 4a and side mold 4b due to expansion of connecting plate 5. The notch 9 is a triangular notch with a wide outside and a narrow inside, and is symmetrically arranged at the junction of the bottom mold 4a and the side mold 4b, effectively prolonging the service life of the die 4.

One end of the side pressure hydraulic cylinder 6 close to the die 4 is provided with a push plate 10 that can be adjusted up and down to squeeze and push the die 4 respectively. When the equipment needs to work, the push plate 10 is moved up and Positioning, so that the push plate 10 corresponds to the position of the side mold 4b in the die 4, thereby realizing the extrusion of the die 4, when the equipment needs to install the die 4, the push plate 10 is moved down and carried out Positioning makes the push plate 10 correspond to the position of the bottom mold 4a of the die 4, thereby realizing the displacement of the push die 4, which is convenient for installation and reduces labor intensity.

The adjusting device 7 is located on the front and rear sides of the die 4, and includes a lower fixing block 7a at the bottom of the die 4, a first opening groove 7b at the edge of the lower fixing block 7a, and a second opening at the bottom edge of the workbench 1. Groove 7c and the locking bolt 7d inserted in the first opening groove 7b and the second opening groove 7c to lock the die 4 on the workbench 1, when the die 4 is installed, the die 4 is held by the sling Lift it to the workbench 1, then push the die 4 to move through the side pressure hydraulic cylinder 6, adjust the position of the first opening groove 7b and align it with the second opening groove 7c, and then lock the die 4 through the locking bolt 7d 4 Locking and fixing, wherein, the first opening groove 7b and the second opening groove 7c are long U-shaped grooves. During installation, the front and rear positions of the die 4 can also be adjusted appropriately so that the die 4 and the two sides of the punch 8 The phase is even, which is beneficial to the compression molding and improves the product quality.

A locking device 11 for locking the punch 8 is also provided between the punch 8 and the lifting table 2. The locking devices 11 are arranged in pairs and are respectively located on the front and rear sides of the punch 8. The locking device 11 includes The third opening groove 11a located at the bottom edge of the lifting platform 2 and the upper fixing block 11b located at the top edge of the punch 8 are inserted into the third opening groove 11a and the upper fixing block 11b to fix the punch 8 on the lifting platform The fixing bolt 11c on 2, wherein the third opening groove 11a is a long U-shaped groove, which is convenient for putting the fixing bolt 11c into the lifting platform 2, which is convenient for assembly. When the punch 8 is installed, the punch 8 is lifted to the lifting platform 2, pass the fixing bolt 11c through the upper fixing block 11b of the punch 8, and snap into the lifting platform 2 along the third opening groove 11a, and then lock and fix the punch 8.

A guide rod 12 connected to the lift table 2 and capable of reciprocating up and down relative to the work table 1 is also provided above the workbench 1, which improves the stability of the lift table 2, thereby improving the precision of the die; 4 and both sides of the punch 8 are provided with a plurality of lifting lugs 13 for hoisting, which is convenient for carrying the die 4 and the punch 8, greatly reducing the labor intensity.

What is described above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, under the premise of not departing from the structure of the present invention, some deformations and improvements can also be made, and these will not affect the implementation of the present invention effect and utility of the patent.

Claims (4)

1. A die-casting equipment for forming a concave forming plate, comprising a workbench (1) and a lifting platform (2) and a lifting hydraulic cylinder (3), characterized in that the detachable device under the described workbench (1) There is a split die (4) composed of multiple composite molds, and the concave mold (4) is provided with a concave shape elastic that connects multiple composite molds of the concave mold (4) and can expand and contract. The connection plate (5), the two ends of the die (4) are provided with a side pressure hydraulic cylinder (6) that can squeeze the die (4) to shrink the connection plate (5), and the An adjustment device (7) that can adjust the displacement of the die (4) and lock it is provided between the workbench (1) and the die (4), and the detachable device on the lift table (2) There is a male mold (8) that can be inserted into the concave mold (4); the concave mold (4) includes a bottom mold (4a) connected to the workbench (1) and a bottom mold (4a) located at the bottom mold ( 4a) The symmetrically arranged side forms (4b) at both ends, the described bottom form (4a) and the side form (4b) are connected by the described connecting plate (5); the described bottom form (4a) and the side form A relief gap (9) is provided between the molds (4b) to avoid the interference between the bottom mold (4a) and the side mold (4b) due to the expansion of the connecting plate (5). ) is a triangular notch that is wide outside and narrow inside, and the adjustment device (7) includes a lower fixing block (7a) at the bottom of the die (4), a first opening at the edge of the lower fixing block (7a) slot (7b), the second open slot (7c) located at the bottom edge of the workbench (1) and inserted into the first open slot (7b) and the second open slot (7c) so that the The die (4) is locked on the locking bolt (7d) on the workbench (1), and the punch (8) is also provided between the punch (8) and the lifting platform (2). ) locked locking device (11), the locking device (11) includes a third open slot (11a) located at the bottom edge of the lifting platform (2) and a third opening slot (11a) located at the top edge of the punch (8) The upper fixing block (11b) and the fixing bolts inserted into the third opening slot (11a) and the upper fixing block (11b) to fix the punch (8) on the lifting platform (2) (11c). 2. A die-forming equipment for forming a concave molded plate according to claim 1, characterized in that, the side pressure hydraulic cylinder (6) is provided with an adjustable upper and lower end near the die (4). To squeeze and push the push plate (10) of the die (4) respectively. 3. The die-casting equipment for forming a concave molding plate according to claim 1, characterized in that, above the workbench (1) there is also a Describe the guide rod (12) of workbench (1) reciprocating up and down. 4. The molding equipment for forming a concave forming plate according to claim 1, characterized in that, both sides of the concave mold (4) and the convex mold (8) are provided with a plurality of lifting brackets for hoisting. ear (13).

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