A bidirectional iterative insert molding drawing die

Abstract

The present invention relates to the technical field of drawing dies, specifically to a bidirectional iterative embedded molding drawing die, comprising a drawing die main body, a movable support seat is provided on the drawing die main body, and a first die and a second die are symmetrically installed on both sides of the upper end of the movable support seat, a lower mounting seat is provided above the drawing die main body, and a limiting hole is provided on the lower mounting seat, and a limiting seat movably engaged with the limiting hole is fixed to the bottom of the movable support seat, an upper mounting seat is provided above the drawing die main body, and a stamping lifting hydraulic cylinder is installed on the upper mounting seat. The bidirectional iterative embedded molding drawing die is provided with two groups of drawing dies and equipped with an embedded die, and the metal sheets in the two groups of drawing dies are formed by the same driving structure, and the two groups of drawing dies are respectively subjected to bidirectional iteration to realize the primary drawing, embedded material placement, and secondary drawing operations of the metal sheets, thereby improving production efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of drawing dies, in particular to a bidirectional iterative embedded molding drawing die. Background Art

[0002] Drawing die, also known as deep drawing die or deep drawing die, is an important tool in the metal sheet stamping process, mainly used to produce various hollow or semi-hollow metal parts with depth. This process is widely used in the automotive manufacturing industry (such as body panels, engine hoods, doors, etc.), home appliances, aviation industry and other fields that require metal sheet forming.

[0003] When the existing drawing die is working, the metal sheet is placed on the die, and then the punch on the stamping machine is used to apply downward pressure to force the sheet to pass through the die of the die and form a three-dimensional shape along the contour of the die. The drawing die is usually composed of a punch, a die, a pressure ring, and a guide device. When it is necessary to fix the embedded structure on the metal sheet, it is also necessary to equip it with a die for positioning the embedded material so that the embedded material can be placed in the desired position. However, when performing embedded drawing processing, each set of drawing dies needs to be equipped with an embedded die, which wastes equipment costs. Summary of the invention

[0004] The purpose of the present invention is to provide a bidirectional iterative embedded molding drawing die to solve the problem raised by the above background technology that when metal sheets on the current market are subjected to embedded drawing molding, they also need to be equipped with a mold for positioning the embedded material so that the embedded material can be placed in the desired position. However, when performing the embedded drawing molding process, each set of drawing dies needs to be equipped with an embedded mold, which wastes equipment costs.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a bidirectional iterative insert molding drawing die, comprising a drawing die main body, a movable support seat is provided on the drawing die main body, and a first die and a second die are symmetrically installed on both sides of the upper end of the movable support seat, a lower mounting seat is provided above the drawing die main body, and a limiting hole is provided on the lower mounting seat, and a limiting seat movably engaged with the limiting hole is fixed at the bottom of the movable support seat, so that the movable support seat can move linearly on the lower mounting seat, a lower support seat is fixed to the bottom of the lower mounting seat by screw connection, and a bidirectional iterative driving hydraulic cylinder arranged laterally is screwed and fixed to the inner side of the lower support seat, An upper mounting seat is provided above the drawing die body, and a stamping lifting hydraulic cylinder is installed on the upper mounting seat, and a stamping driving plate is connected to the bottom movable end of the stamping lifting hydraulic cylinder, the upper mounting seat is located in the upper middle part of the lower mounting seat, and support columns are evenly fixed between the upper mounting seat and the lower mounting seat by screw connection, the first punch, the embedded mold and the second punch are sequentially installed at the bottom of the stamping driving plate, and the spacing between the first punch and the second punch is equal to the spacing between the first die and the second die, the movable end of the bidirectional iterative driving hydraulic cylinder is fixed with a connecting plate by screw connection, and the connecting plate is welded to the end position of the bottom surface of the limit seat.

[0006] Preferably, the length of the upper mounting seat is smaller than that of the lower mounting seat, and the lengths of the upper mounting seat and the movable supporting seat are equal.

[0007] Preferably, metal sheet positioning mechanisms are evenly installed on the upper ends of the first and second dies, and a stamping shock absorbing mechanism is also installed between the bottoms of the first and second dies and the movable support seat.

[0008] Preferably, the cross-section of the lower mounting seat is a U-shaped structure, and the upper end of the lower mounting seat is symmetrically clamped and then screwed and fixed with a movable guide rail arranged in parallel.

[0009] Preferably, the movable guide rails are located on both sides of the limiting hole, and the movable guide rails are movably connected to the bottom of the movable support seat.

[0010] Preferably, limiting side plates are symmetrically screwed and fixed on both sides of the upper end of the movable support seat, and the limiting side plates are respectively located on both sides of the first concave die and the second concave die.

[0011] Preferably, the inner side surfaces of the limiting side plates are symmetrically provided with limiting protrusions of an integral structure, and the limiting protrusions are arranged longitudinally, and the limiting protrusions are movably engaged with the first concave die and the second concave die respectively.

[0012] Compared with the prior art, the invention has the following beneficial effects: the bidirectional iterative embedded forming drawing die is provided with two sets of drawing dies and an embedded die, and the metal sheets in the two sets of drawing dies are formed by the same driving structure, and the two sets of drawing dies are respectively bidirectionally iterated to realize the primary drawing, embedded material placement, and secondary drawing operations of the metal sheets, thereby improving production efficiency. The bidirectional iterative embedded forming drawing die allows the embedded die to be arranged between the two convex dies, and the spacing between the two convex dies is equal to the spacing between the two concave dies, so that the concave dies can perform primary and secondary drawing through the same convex die during the bidirectional iterative process, thereby saving equipment costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of a bidirectional iterative insert molding drawing die structure of the present invention;

[0014] Figure 2 A bidirectional iterative insert molding drawing die according to the present invention Figure 1 The enlarged structural diagram at A in the middle;

[0015] Figure 3 It is a side view of the connection structure between the first concave die and the movable support seat of a bidirectional iterative insert molding drawing die of the present invention;

[0016] Figure 4 It is a top view of the connection structure between the lower mounting seat and the movable supporting seat of a bidirectional iterative insert molding drawing die of the present invention;

[0017] Figure 5 A top view of a lower mounting seat of a bidirectional iterative insert molding drawing die according to the present invention;

[0018] Figure 6 The present invention is a schematic diagram of the bottom structure of a movable support seat of a bidirectional iterative insert molding drawing die.

[0019] In the figure: 1. Drawing die body; 2. Stamping lifting hydraulic cylinder; 3. Upper mounting seat; 4. Embedded die; 5. Stamping drive plate; 6. First die; 7. Limiting side plate; 8. Lower support seat; 9. Connecting plate; 10. Movable guide rail; 11. Lower mounting seat; 12. Bidirectional iterative driving hydraulic cylinder; 13. Second punch; 14. Movable support seat; 15. Second die; 16. Limiting seat; 17. First punch; 18. Support column; 19. Stamping shock absorbing mechanism; 20. Limiting protrusion; 21. Metal plate positioning mechanism; 22. Limiting hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-6The present invention provides a technical solution: a bidirectional iterative embedded molding drawing die, comprising a drawing die main body 1, a movable support seat 14 is provided on the drawing die main body 1, and a first die 6 and a second die 15 are symmetrically installed on both sides of the upper end of the movable support seat 14, a metal sheet positioning mechanism 21 is evenly installed on the upper ends of the first die 6 and the second die 15, and a stamping shock absorbing mechanism 19 is also installed between the bottom of the first die 6 and the second die 15 and the movable support seat 14. The metal sheet positioning mechanism 21 of this structure is a structure used for metal sheet drawing positioning on the existing drawing die, and the metal sheet is placed between the metal sheet positioning mechanism 21 to perform positioning processing for the stamping of the metal sheet. The stamping shock absorbing mechanism 19 is an existing shock absorbing structure for the die, and the stamping shock absorbing mechanism The mechanism 19 is used for shock absorption during the drawing of metal sheets. A lower mounting seat 11 is provided above the drawing die body 1. The cross-section of the lower mounting seat 11 is a U-shaped structure, and the upper end of the lower mounting seat 11 is symmetrically clamped and screwed with a parallel movable guide rail 10. This structure allows the movable guide rail 10 to be firmly fixed on the lower mounting seat 11. A limiting hole 22 is provided on the lower mounting seat 11, and a limiting seat 16 movably clamped with the limiting hole 22 is fixed at the bottom of the movable support seat 14, so that the movable support seat 14 can move linearly on the lower mounting seat 11. The movable guide rails 10 are located on both sides of the limiting hole 22, and the movable guide rails 10 are movably clamped with the bottom of the movable support seat 14. This structure allows the movable support seat 14 to be moved and guided on the lower mounting seat 11 through the movable guide rails 10 The bottom of the lower mounting seat 11 is fixed with a lower support seat 8 by screw connection, and the inner side of the lower support seat 8 is fixed with a transversely arranged bidirectional iterative driving hydraulic cylinder 12 by screw connection, this structure can make the bidirectional iterative driving hydraulic cylinder 12 firmly installed at the position below the lower mounting seat 11, and an upper mounting seat 3 is arranged above the drawing die body 1, the length of the upper mounting seat 3 is less than the length of the lower mounting seat 11, and the length of the upper mounting seat 3 and the movable supporting seat 14 are equal, this structure makes the two end parts of the lower mounting seat 11 can be used for the loading and unloading of the first die 6 and the second die 15 respectively, and the first convex die 17 and the embedded die 4 under the upper mounting seat 3 can correspond to the first die 6, the second convex die 13 and the embedded die 4 can correspond to the second die 15, and the upper mounting seat 3 is located at the lower mounting seat The upper middle part of the mounting seat 11, and support columns 18 are fixed evenly at intervals between the upper mounting seat 3 and the lower mounting seat 11 by screw connection. This structure can make the upper mounting seat 3 and the lower mounting seat 11 stable through the support column 18 structure, so that the stamping lifting hydraulic cylinder 2 drives the stamping driving plate 5 to drive the first punch 17, the embedded mold 4 and the second punch 13 to rise and fall synchronously, the first punch 17 is used for the primary and secondary drawing processing of the first die 6, the second punch 13 is used for the primary and secondary drawing processing of the second die 15, and the stamping lifting hydraulic cylinder 2 is installed on the upper mounting seat 3, and the stamping driving plate 5 is connected to the bottom movable end of the stamping lifting hydraulic cylinder 2, and the first punch 17, the embedded mold 4 and the second punch 13 are installed on the bottom of the stamping driving plate 5 in sequence.And the spacing between the first punch 17 and the second punch 13 is equal to the spacing between the first die 6 and the second die 15. The movable end of the bidirectional iterative driving hydraulic cylinder 12 is fixed with a connecting plate 9 by screwing, and the connecting plate 9 is welded to the end position of the bottom surface of the limit seat 16. This structure enables the bidirectional iterative driving hydraulic cylinder 12 to drive the limit seat 16 to move bidirectionally through the connecting plate 9, thereby realizing the bidirectional iterative movement of the movable support seat 14. When the first die 6 is in the loading position, the second die 15 is located below the embedded mold 4. The first die 6 reciprocates between the loading position, the first punch 17, the embedded mold 4, the first punch 17 and the loading position. The second die 15 reciprocates between the loading position, the second punch 13, the embedded mold 4, the second punch 13 and the loading position. By setting two sets of drawing dies , the same set of driving structure is used to increase production and reduce equipment costs. The two sides of the upper end of the movable support seat 14 are symmetrically screwed and fixed with the limiting side plates 7, and the limiting side plates 7 are respectively located on both sides of the first die 6 and the second die 15. This structure can make the limiting side plates 7 firmly installed on the movable support seat 14, so that the limiting side plates 7 play a role of shock absorption and limiting for the first die 6 and the second die 15. The inner side surfaces of the limiting side plates 7 are symmetrically provided with limiting protrusions 20 of an integrated structure, and the limiting protrusions 20 are longitudinally arranged, and the limiting protrusions 20 are respectively movably connected with the first die 6 and the second die 15. This structure can further limit the first die 6 and the second die 15 through the limiting protrusions 20, ensure the position accuracy of the first die 6 and the second die 15, and realize the drawing process. ,

[0022] Working principle: When using the bidirectional iterative embedding and drawing die, first place the metal sheet on the metal sheet positioning mechanism 21 at the upper material position of the first die 6, and the bidirectional iterative driving hydraulic cylinder 12 drives the limit seat 16 to move through the connecting plate 9 to realize the movement of the movable support seat 14. The limit hole 22 enables the limit seat 16 to be movable and limited, and the movable guide rail 10 also guides the movement of the movable support seat 14 on the lower mounting seat 11. When the first die 6 moves to the bottom of the first punch 17, the stamping lifting hydraulic cylinder 2 drives the stamping driving plate 5 under the positioning of the upper mounting seat 3, and the second punch 13, the embedded die 4 and the first punch 17 move downward synchronously, so that the first punch 17 cooperates with the first die 6 to perform a primary drawing process, and the limiting side plate 7 performs a limiting process for the first die 6 and the second die 15 for stamping shock absorption through the limiting protrusion 20, and the stamping shock absorption mechanism 19 performs a stamping shock absorption process for the first die 6 and the second die 15. The support seat 8 serves as the bottom support for the drawing die body 1, and the support column 18 firmly supports the upper mounting seat 3 above the lower mounting seat 11. After the stamping drive plate 5 is reset, the movable support seat 14 is moved again by the bidirectional iterative driving hydraulic cylinder 12, so that the first die 6 moves to the bottom of the embedding die 4. The embedding die 4 places the embedded material for the metal sheet in the first die 6. At this time, the second die 15 is located at the loading position, and the metal sheet is placed on the metal sheet positioning mechanism 21 on the second die 15. Then the movable support seat 14 moves to the other side, so that the first die 6 moves to the bottom of the first punch 17 again, and the secondary drawing process of the metal sheet in the first die 6 is realized, so that the embedded material is firmly embedded in the metal sheet to realize the forming process. Then the first die 6 moves to the loading position, unloads and then loads. The first die 6 and the second die 15 perform bidirectional iterative forming processing in the same way, thereby completing a series of tasks.

[0023] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bidirectional iterative insert molding drawing die, comprising a drawing die body, characterized in that: The cam body is provided with a movable support seat, and the first die and the second die are symmetrically installed on both sides of the upper end of the movable support seat, a lower mounting seat is provided above the drawing die body, and a limiting hole is provided on the lower mounting seat, and a limiting seat movably engaged with the limiting hole is fixed at the bottom of the movable support seat, so that the movable support seat can move linearly on the lower mounting seat, the bottom of the lower mounting seat is fixed with a lower support seat by screw connection, and a transversely arranged two-way iterative driving hydraulic cylinder is screwed and fixed on the inner side of the lower support seat, an upper mounting seat is provided above the drawing die body, and a stamping lifting hydraulic cylinder is installed on the upper mounting seat, and a stamping driving plate is connected to the movable end of the bottom of the stamping lifting hydraulic cylinder, the upper mounting seat is located in the middle of the upper part of the lower mounting seat, and support columns are fixed between the upper mounting seat and the lower mounting seat at even intervals by screw connection, the first punch, the embedded mold and the second punch are sequentially installed at the bottom of the stamping driving plate, and the first punch and the second punch The spacing between the dies is equal to the spacing between the first die and the second die. When the first die moves to the bottom of the first punch, the stamping lifting hydraulic cylinder drives the stamping driving plate to drive the second punch, the embedded die and the first punch to move downward synchronously, so that the first punch cooperates with the first die to perform a primary drawing process. After the stamping driving plate is reset, the movable support seat is moved again by the driving of the bidirectional iterative driving hydraulic cylinder, so that the first die moves to the bottom of the embedded die, and the embedded die places the embedded material for the metal sheet in the first die. At this time, the second die is located at the loading position for loading, and then the movable support seat moves to the other side, so that the first die moves to the bottom of the first punch again, realizing the secondary drawing process of the metal sheet in the first die, so that the embedded material is firmly embedded in the metal sheet. Then the first die moves to the loading position, unloads and then loads, and the first die and the second die perform bidirectional iterative forming processing in the same way.

2. A bidirectional iterative insert molding drawing die according to claim 1, characterized in that: The length of the upper mounting seat is smaller than that of the lower mounting seat, and the lengths of the upper mounting seat and the movable supporting seat are equal.

3. A bidirectional iterative insert molding drawing die according to claim 1, characterized in that: The upper ends of the first and second dies are evenly equipped with metal sheet positioning mechanisms, and a stamping shock absorbing mechanism is also installed between the bottoms of the first and second dies and the movable support seat.

4. The bidirectional iterative insert molding drawing die according to claim 1, characterized in that: The cross section of the lower mounting seat is a U-shaped structure, and the upper end of the lower mounting seat is symmetrically clamped and then screwed and fixed with a movable guide rail arranged in parallel.

5. A bidirectional iterative insert molding drawing die according to claim 4, characterized in that: The movable guide rails are located at both sides of the limiting hole, and the movable guide rails are movably connected with the bottom of the movable support seat.

6. The bidirectional iterative insert molding drawing die according to claim 1, characterized in that: The two sides of the upper end of the movable support seat are symmetrically screwed and fixed with limiting side plates, and the limiting side plates are respectively located on the two sides of the first concave die and the second concave die.

7. A bidirectional iterative insert molding drawing die according to claim 6, characterized in that: The inner side surfaces of the limiting side plates are symmetrically provided with limiting protrusions of an integral structure, and the limiting protrusions are arranged longitudinally, and the limiting protrusions are movably engaged with the first concave die and the second concave die respectively.

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