CN107116830B

CN107116830B - U-shaped pressing die equipment for concave forming plate

Info

Publication number: CN107116830B
Application number: CN201710564992.4A
Authority: CN
Inventors: 陈广华; 庞宗佳
Original assignee: Rongxian Runda Furniture Co ltd
Current assignee: Rongxian Runda Furniture Co ltd
Priority date: 2017-07-12
Filing date: 2017-07-12
Publication date: 2023-07-11
Anticipated expiration: 2037-07-12
Also published as: CN107116830A

Abstract

The invention discloses die pressing equipment for a concave forming template, which comprises a workbench, a lifting table and a lifting hydraulic cylinder, wherein a split female die formed by a plurality of combined dies is detachably arranged below the workbench, an elastic connecting plate which is in a concave shape and is used for connecting the combined dies of the female die and can expand and contract is arranged in the female die, side pressure hydraulic cylinders which can extrude the female die to contract the connecting plate are arranged at two ends of the female die, an adjusting device which can adjust the displacement of the female die and lock the female die is arranged between the workbench and the female die, and a male die which can be inserted in the female die is detachably arranged on the lifting table. The invention has simple structure and convenient disassembly and assembly, and the split type die formed by a plurality of combined dies is used as the female die, so that the damage of the female die is avoided, the service life of the die is effectively prolonged, the cost is reduced, the product quality is improved, and the application range is wide.

Description

U-shaped pressing die equipment for concave forming plate

Technical Field

The invention relates to the technical field of forming plate manufacturing, in particular to die pressing equipment for a concave forming plate.

Background

The process of producing the molded plate involves molding dies of various shapes of molded plates. While the U-shaped forming plate is widely used, the concave pressing apparatus is also used in mass production of enterprises. Current concave compression molding apparatuses are generally composed of an upper mold and a lower mold, a molding plate is placed in a lower mold having a concave-shaped groove, and then the upper mold is moved downward using a hydraulic cylinder, thereby pressing out the concave-shaped molding plate. In the equipment, two ends of the lower die are two integral iron blocks which are vertically arranged, and only the die is provided with a concave groove, however, when the die is pressed, the upper die can transmit acting force through the forming plate under the action of pressure, so that the lower die is spread towards two sides, the lower die is deformed, the accuracy of the die is low, the quality of a product is low, and after the use times are more, the lower die is broken, thereby causing equipment damage and economic loss.

Disclosure of Invention

The invention aims to solve the technical problems of the prior art, and provides concave forming plate die pressing equipment which has the advantages of simple structure, wide application range and capability of effectively prolonging the service life of the equipment and improving the product quality.

The technical scheme of the invention is as follows: the utility model provides a die equipment of concave shaping template, includes workstation and elevating platform and lift pneumatic cylinder, workstation below detachable be equipped with the split type die that comprises a plurality of assembling die, the die in be equipped with the elastic connection board that links to each other a plurality of assembling die of this die and the concave form of inflation and shrink, die both ends be equipped with can extrude the die so that the lateral pressure pneumatic cylinder of connecting plate shrink, workstation and die between be equipped with adjustable die displacement and with its locking adjusting device, elevating platform on detachable be equipped with can peg graft in the terrace die in the die.

As a further improvement, the female die comprises a bottom die connected with the workbench and side dies symmetrically arranged at two ends of the bottom die, and the bottom die is connected with the side dies through the connecting plates.

Further, a yielding gap capable of avoiding interference between the bottom die and the side die caused by expansion of the connecting plate is arranged between the bottom die and the side die, and the yielding gap is a triangular gap with wide outside and narrow inside.

Further, a push plate which can be adjusted up and down to respectively extrude and push the female die is arranged at one end, close to the female die, of the side pressure hydraulic cylinder.

Further, the adjusting device comprises a lower fixed block positioned at the bottom of the female die, a first open slot positioned at the edge of the lower fixed block, a second open slot positioned at the edge of the bottom of the workbench and a locking bolt inserted into the first open slot and the second open slot so as to lock the female die on the workbench.

Further, a locking device for locking the male die is further arranged between the male die and the lifting table, and comprises a third open slot positioned at the bottom edge of the lifting table, an upper fixing block positioned at the top edge of the male die and a fixing bolt inserted into the third open slot and the upper fixing block so as to fix the male die on the lifting table.

Further, a guide rod which is connected with the lifting platform and can reciprocate up and down relative to the workbench is arranged above the workbench.

Further, a plurality of lifting lugs for lifting are arranged on two sides of the female die and the male die.

Advantageous effects

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

1. the invention has simple structure and convenient manufacture, the split type die formed by a plurality of combined dies is adopted as the female die, the combined dies are connected through the elastic connecting plate, the male die is used for pressing down the forming plate, and then the female die is extruded by the side pressure hydraulic cylinder, so that the complete concave forming plate is formed, the problem that the integral female die is damaged due to pressure is solved, the service life of the die is effectively prolonged, the cost is reduced, and the product quality is improved; the detachable female die and the detachable male die are convenient for replacing dies with different sizes, meet the requirement of dies with concave forming templates with various specifications, and have wide application range; the design of its adjusting device and push pedal does benefit to the mould installation, has reduced intensity of labour, and the practicality is strong, the operation of being convenient for.

Drawings

FIG. 1 is a schematic diagram of a front view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is an enlarged schematic view of the structure of the male die and female die of the invention;

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

fig. 5 is an enlarged schematic view of a partial bottom view at B in fig. 1.

Wherein: the device comprises a 1-workbench, a 2-lifting platform, a 3-lifting hydraulic cylinder, a 4-female die, a 5-connecting plate, a 6-side pressure hydraulic cylinder, a 7-adjusting device, an 8-male die, a 9-yielding notch, a 10-push plate, an 11-locking device, a 12-guide rod, a 13-lifting lug, a 4 a-bottom die, a 4 b-side die, a 7 a-lower fixed block, a 7 b-first open slot, a 7 c-second open slot, a 7 d-locking bolt, a 11 a-third open slot, an 11 b-upper fixed block and a 11 c-fixed bolt.

Detailed Description

The invention will be further described with reference to specific embodiments in the drawings.

Referring to fig. 1-5, the die equipment for forming a shaping plate by concave mode of the invention comprises a workbench 1, a lifting platform 2 and a lifting hydraulic cylinder 3, wherein the workbench 1 is a portal frame, the bottom is a platform, the lifting platform 2 is positioned above the platform in the portal frame, the lifting hydraulic cylinder 3 drives the lifting platform 2 to reciprocate up and down in the workbench 1, a split female die 4 formed by a plurality of combined dies is detachably arranged below the workbench 1, a concave elastic connecting plate 5 which connects the combined dies of the female die 4 and can expand and contract is arranged in the female die 4, side pressure hydraulic cylinders 6 which can squeeze the female die 4 to contract the connecting plate 5 are arranged at two ends of the female die 4, an adjusting device 7 which can adjust the displacement of the female die 4 and lock the female die 4 is arranged between the workbench 1 and the female die 4 and is used for installing and fixing the female die 4, a male die 8 which can be inserted in the female die 4 is detachably arranged on the lifting platform 2, and the male die 8 is a die with a shape which is matched with the shape of a groove in the female die 4 and is matched with the size of the female die 4. The invention has simple structure and convenient manufacture, the split type die formed by a plurality of combined dies is adopted as the female die 4, the combined dies are connected through the elastic connecting plate 5, the forming plate is pressed down through the male die 8, and then the female die 4 is extruded by the side pressure hydraulic cylinder 6, so that a complete concave forming plate is formed, the problem that the integral female die is damaged due to pressure is solved, the service life of the die is effectively prolonged, the cost is reduced, and the product quality is improved; the detachable female die 4 and the detachable male die 8 are convenient for replacing dies with different sizes, meet the requirement of dies of concave forming templates with various specifications, and have wide application range; the design of the adjusting device 7 is beneficial to die installation, reduces labor intensity, and is high in practicality and convenient to operate.

In this embodiment, the female die 4 includes a bottom die 4a connected to the working table 1 and side dies 4b symmetrically arranged at two ends of the bottom die 4a, where the two are separated from each other, the bottom die 4a and the side dies 4b are connected by a connecting plate 5, so that the elastic performance is good, and the purpose of buffering pressure is achieved, and a yielding gap 9 capable of avoiding interference between the bottom die 4a and the side dies 4b due to expansion of the connecting plate 5 is further provided between the bottom die 4a and the side dies 4b, and the yielding gap 9 is a triangular gap with wide outside and narrow inside, and is symmetrically arranged at the joint of the bottom die 4a and the side dies 4b, so that the service life of the female die 4 is effectively prolonged.

The push plate 10 which can be adjusted up and down to extrude and push the female die 4 respectively is arranged at one end, close to the female die 4, of the side pressure hydraulic cylinder 6, when the equipment needs to work, the push plate 10 is moved upwards and positioned, so that the push plate 10 corresponds to the position of the side die 4b in the female die 4, extrusion of the female die 4 is realized, when the equipment needs to install the female die 4, the push plate 10 is moved downwards and positioned, the push plate 10 corresponds to the position of the bottom die 4a of the female die 4, displacement of the female die 4 is pushed, installation is facilitated, and labor intensity is reduced.

The adjusting device 7 is located on the front side and the rear side of the female die 4, and comprises a lower fixing block 7a located at the bottom of the female die 4, a first opening groove 7b located at the edge of the lower fixing block 7a, a second opening groove 7c located at the bottom edge of the workbench 1, and locking bolts 7d inserted into the first opening groove 7b and the second opening groove 7c to lock the female die 4 on the workbench 1, when the female die 4 is installed, the female die 4 is lifted to the workbench 1 through the lifting appliance, then the female die 4 is pushed to displace through the side pressure hydraulic cylinder 6, the position of the first opening groove 7b is adjusted, the first opening groove 7b is aligned with the second opening groove 7c, then the female die 4 is locked and fixed through the locking bolts 7d, wherein the first opening groove 7b and the second opening groove 7c are long U-shaped grooves, and when the female die 4 is installed, the front and rear positions of the female die 4 can be properly adjusted, the female die 4 is flush with the two sides of the male die 8, and the quality of a product is improved.

The locking device 11 for locking the male die 8 is further arranged between the male die 8 and the lifting table 2, the locking devices 11 are arranged in pairs and are respectively located on the front side and the rear side of the male die 8, the locking device 11 comprises a third open groove 11a located at the bottom edge of the lifting table 2, an upper fixing block 11b located at the top edge of the male die 8 and a fixing bolt 11c inserted into the third open groove 11a and the upper fixing block 11b to fix the male die 8 on the lifting table 2, wherein the third open groove 11a is a long U-shaped groove, the fixing bolt 11c is conveniently placed into the lifting table 2 and is beneficial to assembly, when the male die 8 is installed, the male die 8 is lifted to the lower side of the lifting table 2, the fixing bolt 11c penetrates through the upper fixing block 11b of the male die 8 and is clamped into the lifting table 2 along the third open groove 11a, and then the male die 8 is locked and fixed.

A guide rod 12 which is connected with the lifting table 2 and can reciprocate up and down relative to the working table 1 is arranged above the working table 1, so that the lifting stability of the lifting table 2 is improved, and the precision of the pressing die is improved; a plurality of lifting lugs 13 for lifting are arranged on two sides of the female die 4 and the male die 8, so that the female die 4 and the male die 8 can be conveniently carried, and the labor intensity is greatly reduced.

While only the preferred embodiments of the present invention have been described above, it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these do not affect the effect of the implementation of the present invention and the utility of the patent.

Claims

1. The die equipment for the concave forming template comprises a workbench (1), a lifting table (2) and a lifting hydraulic cylinder (3), and is characterized in that a split female die (4) formed by a plurality of combined dies is detachably arranged below the workbench (1), an elastic connecting plate (5) which is used for connecting the combined dies of the female die (4) and can expand and contract in a concave shape is arranged in the female die (4), side pressure hydraulic cylinders (6) which can extrude the female die (4) to enable the connecting plate (5) to contract are arranged at two ends of the female die (4), an adjusting device (7) which can adjust the displacement of the female die (4) and lock the female die is arranged between the workbench (1) and the female die (4), and a male die (8) which can be inserted in the female die (4) is detachably arranged on the lifting table (2). The female die (4) comprises a bottom die (4 a) connected with the workbench (1) and side dies (4 b) symmetrically arranged at two ends of the bottom die (4 a), and the bottom die (4 a) is connected with the side dies (4 b) through the connecting plates (5); the die block (4 a) and the side die (4 b) between be equipped with can avoid because of connecting plate (5) inflation leads to die block (4 a) and side die (4 b) interfere with the breach of stepping down (9), breach (9) be outside wide inside narrow triangle-shaped breach, adjusting device (7) including being located die (4) bottom lower fixed block (7 a), be located first open slot (7 b) of this lower fixed block (7 a) edge department, be located second open slot (7 c) of workstation (1) bottom edge department and peg graft in first open slot (7 b) and second open slot (7 c) in order to with die (4) lock in on workstation (1), terrace die (8) and elevating platform (2) between still be equipped with terrace die (8) locking device (11), this locking device (11) including being located third open slot (11) of elevating platform (2) bottom edge department and third open slot (11) are located in order to fix punch (11 a) and third open slot (11 c) in order to fix punch (11 a) top (11).

2. A die apparatus for a concave forming plate according to claim 1, wherein a push plate (10) which can be adjusted up and down to press and push the die (4) respectively is provided at one end of the side pressure hydraulic cylinder (6) near the die (4).

3. A female molding apparatus as claimed in claim 1, wherein a guide bar (12) is provided above said table (1) and connected to said elevating table (2) and reciprocally movable up and down with respect to said table (1).

4. A female mould arrangement for a forming plate according to claim 1, characterised in that the female mould (4) and the male mould (8) are provided on both sides with lifting lugs (13) for lifting.