CN115673076A - Positioning mechanism for metal plate thermal forming die - Google Patents

Abstract

The invention discloses a metal plate thermal forming die positioning mechanism which comprises a processing table, wherein the top of the processing table is fixedly connected with four supporting rods, the four supporting rods are jointly connected with a connecting transverse plate, the top of the processing table is fixedly connected with a lower forming die, the top of the connecting transverse plate is connected with a forming assembly, the top of the processing table is provided with two symmetrical moving grooves, and the inner walls of the moving grooves are rotatably connected with moving screws. According to the invention, the movable extension toothed plate is driven to slide in the fixed sleeve block, and the abutting plate on the movable extension toothed plate also moves, so that the adjusting rod on the abutting plate abuts against the metal plate, the adjusting rod and the adjusting spring move along the direction on the abutting plate, and the adjusting spring prevents the adjusting rod from moving, so that the metal plate is tightly abutted, the metal plate is prevented from being separated from a lower die during stamping, the deformation of the metal plate after displacement during stamping is reduced, and the use effect is improved.

Description

A sheet metal thermoforming mold positioning mechanism

technical field

The invention relates to the technical field of sheet metal processing, in particular to a positioning mechanism for a sheet metal thermoforming mold.

Background technique

Sheet metal has the characteristics of light weight, high strength, electrical conductivity, low cost, and good mass production performance. It has been widely used in the fields of electronic appliances, communications, automobile industry, medical equipment, and aviation industry. Go to the thermoforming device to perform hot stamping on the sheet metal in the mold. However, when processing the sheet metal, it is generally necessary to place the sheet metal on the lower mold, and the sheet metal is subjected to stamping force during stamping, so that the sheet metal is easily detached. The lower mold will cause the stamped sheet metal to deform, thereby reducing the use effect.

Contents of the invention

The object of the present invention is to propose a positioning mechanism for a sheet metal thermoforming die in order to solve the shortcomings in the prior art.

In order to achieve the above object, the present invention adopts the following technical solution: a sheet metal thermoforming mold positioning mechanism, including a processing table, four support rods are fixedly connected to the top of the processing table, and the four support rods are jointly connected with a connection A horizontal plate, the top of the processing table is fixedly connected with a lower forming mold, and the top of the connecting horizontal plate is connected with a forming component;

The top of the processing table is provided with two symmetrical moving grooves, the inner wall of the moving groove is rotatably connected with a moving screw, one end of the moving screw runs through the processing table and is fixedly connected with a moving gear, and the outer wall of the moving screw is threaded with a Moving the slider, the two sides of the outer wall of the processing table are connected with an adjustment assembly for adjusting the rotation of the moving gear;

The top of the moving slider is fixedly connected with a fixed support plate, and the top of the fixed support plate is fixedly connected with two fixed sets of blocks, and the inside of the fixed sets of blocks is slidably connected with a movable extension tooth plate, one of the sides of the fixed sets of blocks A drive assembly is attached to the wall.

As a further description of the above technical solution:

The molding assembly includes two hydraulic cylinders fixedly connected to the top of the connecting horizontal plate, the piston ends of the two hydraulic cylinders penetrate through the connecting horizontal plate and are fixedly connected to the connecting plate, and the bottom of the connecting plate is fixedly connected to the electric heating plate, so An upper hot pressing mold is fixedly connected to the bottom of the electric heating plate, and four connecting rods are fixedly connected to the top of the lower forming mold.

As a further description of the above technical solution:

The four connecting rods all pass through the connecting plate and extend to the outside of the connecting plate, the outer wall of the connecting rod is movably sleeved with a connecting spring, and the two ends of the connecting spring are respectively fixedly connected to the side wall of the connecting plate and the side wall of the lower molding die .

As a further description of the above technical solution:

The adjustment assembly includes a movable groove set on the outer wall of the processing table, a movable slider is slidably connected to the inside of the movable groove, and a movable tooth plate is fixedly connected to the side wall of the movable slider, and the movable tooth plate meshes with the moving gear connect.

As a further description of the above technical solution:

The top of the movable tooth plate is fixedly connected with a push plate, the outer wall of the processing table is fixedly connected with a limit block, the front of the limit block is fixedly connected with an electric telescopic rod, and the piston end of the electric telescopic rod is fixedly connected with the push plate.

As a further description of the above technical solution:

The drive assembly includes two mounting brackets fixedly connected to the side wall of one of the fixed sleeve blocks, a mounting shaft is rotatably connected between the two mounting brackets, and a mounting gear is fixedly sleeved on the outer wall of the mounting shaft, one of which The side wall of the fixed block is provided with an installation groove, the installation gear is meshed with the movable extension tooth plate, and one of the side walls of the installation bracket is fixedly connected with an installation motor.

As a further description of the above technical solution:

The output shaft of the installation motor runs through one of the installation brackets and is fixedly connected with the installation shaft. A pressing plate is fixedly connected between the two moving extension tooth plates, and an adjustment rod is provided through the top of the pressing plate. One end of the rod is fixedly connected with an adjustment pull block, and the outer wall of the adjustment rod is movably sleeved with an adjustment spring, and the two ends of the adjustment spring are respectively fixedly connected with the side wall of the adjustment pull block and the side wall of the pressing plate.

The present invention has following beneficial effects:

Through the mutual cooperation among the forming components, adjusting components and driving components, the connecting horizontal plate, hydraulic cylinder, connecting plate, electric heating plate, upper hot pressing die, lower forming die, connecting rod and connecting spring can be matched by using the forming component, which is convenient The hydraulic cylinder drives the upper hot pressing die and the lower forming die to fit together, so that the sheet metal is stamped and formed, and the processing table, movable groove, movable slider, movable tooth plate, movable gear, push plate, and limit block can be made by using the adjustment component Cooperating with the electric telescopic rod, it is convenient to push the limit block through the electric telescopic rod, so that the limit block drives the movable tooth plate to move, and the movable tooth plate meshes with the moving gear, thereby driving the moving screw on the moving gear to move, and the moving slide The block moves on the moving screw, so that the moving slider drives the fixed support plate and the fixed block to move, so that the fixed block can be positioned against the sheet metal, and the fixed block, the mounting bracket, and the mounting shaft can be made , Install the gear, move the extension tooth plate, install the motor, install the rotating shaft, the pressing plate, the adjustment rod, the adjustment pull block and the adjustment spring, and the installation gear is driven by the installation motor to rotate, and the installation gear is meshed with the mobile extension tooth plate, so that Drive the moving extension tooth plate to slide inside the fixed sleeve, and the pressing plate on the moving extension tooth plate also moves, so that the adjusting rod on the pressing plate will press the sheet metal, and follow the adjusting rod and the adjusting spring along the pressing plate. The direction of the tightening plate is moved, and the adjustment spring prevents the adjustment rod from moving, so that the sheet metal is tightly pressed, so that the sheet metal is reduced from the lower mold during stamping, and the deformation of the sheet metal after the stamping occurs is reduced. Improve the use effect.

Description of drawings

Fig. 1 is the overall structure schematic diagram of a kind of sheet metal thermoforming mold positioning mechanism that the present invention proposes;

Fig. 2 is the schematic structural diagram enlarged at place A in Fig. 1;

Fig. 3 is the schematic structural diagram enlarged at B place in Fig. 1;

Fig. 4 is a structural schematic diagram of a pressing plate of a positioning mechanism of a sheet metal thermoforming mold proposed by the present invention.

illustration:

1. Processing table; 2. Support rod; 3. Connecting horizontal plate; 4. Lower forming mold; 5. Connecting rod; 6. Connecting spring; 7. Upper hot pressing mold; 8. Hydraulic cylinder; 9. Moving screw; 10 , moving slider; 11, fixed block; 12, moving extension tooth plate; 13, moving gear; 14, movable slider; 15, movable tooth plate; 16, push plate; 17, limit block; 18, electric telescopic 20, mounting bracket; 21, installing rotating shaft; 22, installing gear; 23, installing motor; 24, adjusting pull block; 25, adjusting rod; 26, adjusting spring.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Referring to Figures 1-4, a positioning mechanism for sheet metal thermoforming molds provided by the present invention includes a processing table 1, four support rods 2 are fixedly connected to the top of the processing table 1, and the four support rods 2 are jointly connected with a connecting horizontal plate 3 , the top of the processing table 1 is fixedly connected with the lower molding die 4, and the top of the connecting horizontal plate 3 is connected with a forming component, which plays the role of driving the sheet metal to form. Referring to Figure 1, the forming component includes a connecting horizontal plate fixedly connected 3 There are two hydraulic cylinders 8 on the top, and the piston ends of the two hydraulic cylinders 8 are connected through the horizontal plate 3 and are fixedly connected with a connecting plate. The top of the molding die 4 is fixedly connected with four connecting rods 5. The four connecting rods 5 all pass through the connecting plate and extend to the outside of the connecting plate. The outer wall of the connecting rod 5 is movably socketed with a connecting spring 6, and the two ends of the connecting spring 6 are respectively connected to the connecting plate. The side wall of the plate is fixedly connected with the side wall of the lower molding die 4, and the upper hot pressing die 7 on the connecting plate is pushed to move by the hydraulic cylinder 8.

The top of the processing table 1 is provided with two symmetrical moving grooves. The inner wall of the moving groove is rotatably connected with a moving screw 9. One end of the moving screw 9 runs through the processing table 1 and is fixedly connected with a moving gear 13. Block 10, both sides of the outer wall of the processing table 1 are connected with an adjusting assembly that adjusts the mobile gear 13 to rotate. Referring to Figure 2, the adjusting assembly includes an active groove provided on the outer wall of the processing table 1, and the movable slide block is slidably connected to the inside of the active groove 14. The side wall of the movable slider 14 is fixedly connected with a movable tooth plate 15, the movable tooth plate 15 is meshed with the mobile gear 13, the top of the movable tooth plate 15 is fixedly connected with a push plate 16, and the outer wall of the processing table 1 is fixedly connected with a limit block 17 , the front of the limit block 17 is fixedly connected with an electric telescopic rod 18, and the piston end of the electric telescopic rod 18 is fixedly connected with the push plate 16, and the electric telescopic rod 18 plays the role of pushing the push plate 16 to move.

The top of the mobile slider 10 is fixedly connected with a fixed support plate, and the top of the fixed support plate is fixedly connected with two fixed sets of blocks 11, and the inside of the fixed set of blocks 11 is slidably connected with a movable extension tooth plate 12, and the side wall of one of the fixed sets of blocks 11 is connected with a The drive assembly, referring to Fig. 3 and Fig. 4, the drive assembly includes two installation brackets 20 fixedly connected to the side wall of one of the fixed sleeve blocks 11, and the installation shaft 21 is rotatably connected between the two installation brackets 20, and the outer side wall of the installation shaft 21 Mounting gears 22 are fixedly connected, and a mounting groove is opened on the side wall of one of the fixed blocks 11, and the mounting gear 22 is meshed with the mobile extension tooth plate 12. One of the mounting brackets 20 is fixedly connected to the side wall of the mounting motor 23, and the mounting motor 23 The output shaft runs through one of the mounting brackets 20 and is fixedly connected to the mounting shaft 21. A pressing plate 19 is fixedly connected between the two moving extension tooth plates 12. An adjusting rod 25 is installed on the top of the pressing plate 19, and one end of the adjusting rod 25 is fixed. An adjustment pull block 24 is connected, and an adjustment spring 26 is movably socketed on the outer side wall of the adjustment rod 25. Hold the role of sheet metal.

Working principle: When in use, first place the sheet metal that needs hot stamping on the lower forming die 4, then start the installation motor 23, and the installation gear 22 on the installation shaft 21 is driven by the installation motor 23 to rotate, and the installation gear 22 Mesh connection with one of the moving extension tooth plates 12, so that the moving extension tooth plate 12 is driven to slide inside the fixed sleeve block 11, and a pressing plate 19 is installed between the two moving extending tooth plates 12, so that the pressing plate 19 is also adjusted to suitable height.

Then start the electric telescopic rod 18 on the limit block 17, so that the electric telescopic rod 18 promotes the push plate 16, so that the push plate 16 drives the movable slide block 14 on the movable tooth plate 15 to slide in the movable groove inside, thereby the movable tooth plate 15 Guide, and the movable tooth plate 15 is meshed with the moving gear 13, thereby driving the moving screw 9 on the moving gear 13 to rotate, and the moving slider 10 is moved on the moving screw 9, followed by sliding installation of the moving slider 10 and the moving groove , so as to guide the moving slider 10, and then adjust the fixed support plate, the fixed sleeve block 11, the moving extension tooth plate 12 and the driving assembly on the moving slider 10 to an appropriate distance, and then move the extension tooth plate 12 to play a role in the plate Gold plays the role of clamping to ensure the clamping effect.

Then start the installation motor 23 again, and the installation gear 22 on the rotating shaft 21 is driven by the installation motor 23 to rotate, so that the installation gear 22 drives the mobile extension tooth plate 12 to slide inside the fixed sleeve block 11, so that the mobile extension tooth plate 12 drives the tight The plate 19 moves downward, and the adjusting rod 25 on the pressing plate 19 is in contact with the sheet metal, while the adjusting rod 25 and the adjusting spring 26 move along the direction of pressing against the plate 19, and the adjusting spring 26 prevents the adjusting rod 25 from moving , so that the adjusting rod 25 plays a role of pressing against the sheet metal, while the pressing plate 19 plays a role of further pressing against the sheet metal to ensure the positioning effect.

Finally start the hydraulic cylinder 8, push the connecting plate through the hydraulic cylinder 8, so that the connecting plate drives the electric heating plate and the upper hot pressing mold 7 to move downward, so that the electric heating plate drives the upper hot pressing mold 7 to conduct conduction heating, so that the upper hot pressing mold 7 and the upper hot pressing mold 7 The lower molding die 4 contacts and fits together, thereby extruding the sheet metal to ensure the molding effect.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still It is possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. within the spirit and principles of the present invention shall be included in the within the protection scope of the present invention.

Claims (7)

1. A sheet metal thermoforming mold positioning mechanism, comprising a processing table (1), is characterized in that: the top of the processing table (1) is fixedly connected with four support rods (2), and the four support rods (2) ) are jointly connected with a connecting horizontal plate (3), the top of the processing table (1) is fixedly connected with a lower molding die (4), and the top of the connecting horizontal plate (3) is connected with a molding assembly; The top of the processing table (1) is provided with two symmetrical moving grooves, the inner wall of the moving groove is rotatably connected with a moving screw (9), and one end of the moving screw (9) runs through the processing table (1) and is fixedly connected with a Moving gear (13), the outer wall of the moving screw (9) is threadedly connected with a moving slider (10), and both sides of the outer wall of the processing table (1) are connected with a device for adjusting the moving gear (13) to rotate. adjustment components; The top of the movable slider (10) is fixedly connected with a fixed support plate, and the top of the fixed support plate is fixedly connected with two fixed sleeve blocks (11), and the inside of the fixed sleeve block (11) is slidably connected with a mobile extension tooth plate (12), wherein a drive assembly is connected to the side wall of one of the fixed blocks (11). 2. A sheet metal thermoforming mold positioning mechanism according to claim 1, characterized in that: the forming assembly includes two hydraulic cylinders (8) on the top of the connecting horizontal plate (3) fixedly connected, and the two hydraulic cylinders (8) The piston ends of the hydraulic cylinders (8) all pass through the horizontal plate (3) and are fixedly connected with a connecting plate, the bottom of the connecting plate is fixedly connected with an electric heating plate, and the bottom of the electric heating plate is fixedly connected with an upper hot pressing mold (7), Four connecting rods (5) are fixedly connected to the top of the lower molding die (4). 3. A sheet metal thermoforming mold positioning mechanism according to claim 2, characterized in that: the four connecting rods (5) all pass through the connecting plate and extend to the outside of the connecting plate, and the connecting rods (5) A connection spring (6) is movably socketed on the outer side wall, and the two ends of the connection spring (6) are respectively fixedly connected to the side wall of the connection plate and the side wall of the lower molding die (4). 4. A positioning mechanism for sheet metal thermoforming molds according to claim 1, characterized in that: the adjustment assembly includes a movable groove set on the outer wall of the processing table (1), and the movable groove is slidably connected with a movable groove. A slider (14), the side wall of the movable slider (14) is fixedly connected with a movable tooth plate (15), and the movable tooth plate (15) is engaged with the moving gear (13). 5. A sheet metal thermoforming mold positioning mechanism according to claim 4, characterized in that: the top of the movable tooth plate (15) is fixedly connected with a push plate (16), and the outer wall of the processing table (1) The limit block (17) is fixedly connected, and the front of the limit block (17) is fixedly connected with an electric telescopic rod (18), and the piston end of the electric telescopic rod (18) is fixedly connected with the push plate (16). 6. The positioning mechanism of a sheet metal thermoforming mold according to claim 1, characterized in that: the drive assembly includes two mounting brackets (20) fixedly connected to the side wall of one of the fixed sleeve blocks (11), An installation shaft (21) is rotatably connected between the two installation brackets (20), and an installation gear (22) is fixedly sleeved on the outer wall of the installation shaft (21), and one side of the fixed block (11) The wall is provided with an installation groove, and the installation gear (22) is meshed with the movable extension tooth plate (12), and one of the installation brackets (20) is fixedly connected to an installation motor (23) on the side wall. 7. A sheet metal thermoforming mold positioning mechanism according to claim 6, characterized in that: the output shaft of the installation motor (23) runs through one of the installation brackets (20) and is fixedly connected with the installation shaft (21), An abutment plate (19) is fixedly connected between the two movable extension tooth plates (12), and an adjustment rod (25) is provided through the top of the abutment plate (19), and one end of the adjustment rod (25) is fixed An adjustment pull block (24) is connected, and an adjustment spring (26) is movably sleeved on the outer side wall of the adjustment rod (25), and the two ends of the adjustment spring (26) are respectively pressed against the side wall of the adjustment pull block (24). Plate (19) side wall is fixedly connected.

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