Cross beam forming die

Abstract

The cross beam forming die comprises an upper die and a lower die, the lower die is composed of a bottom supporting plate, a base table and a pair of side supporting plates, the base table is supported below the bottom supporting plate, and a telescopic piece for driving the bottom supporting plate to ascend and descend is installed in the base table. The side supporting plates are rotationally connected to the two sides of the bottom supporting plate and the two sides of the base table through rotating rods correspondingly, the ends of the rotating rods are coaxially connected with gears, a T-shaped frame is fixed to the outer wall of an output shaft of the telescopic piece, the two ends, extending out of the base table, of the T-shaped frame are connected with racks, and the racks are connected with the gears in an engaged mode. When a forming part in the lower mold needs to be demolded, the telescopic part is started to extend, the telescopic part can jack up the bottom supporting plate and conveniently eject the forming part out of the mold, and the pair of side supporting plates can be controlled to synchronously rotate outwards to be opened through transmission of the rack and the gear, so that the obstruction of the side supporting plates on demolding of the forming part is reduced, and the demolding efficiency is improved. And demolding of the formed part is more convenient, and then the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile crossbeam manufacturing, in particular to a crossbeam forming die. Background Art

[0002] The automobile crossbeam is not only used to ensure the torsional rigidity of the frame and bear the longitudinal load, but also to support the main components of the car. The automobile crossbeam is mainly formed by cold stamping, using a stamping machine in conjunction with a crossbeam forming die. The crossbeam forming die currently used is mainly divided into two parts: an upper die and a lower die. The upper die is directly fixed on the stamping machine and the lifting slide of the stamping machine, while the lower die is fixed on the workbench. The steel plate is placed on the lower die, and then the upper die and the lower die are combined to extrude the steel plate into a crossbeam.

[0003] However, most of the existing automobile beams are U-shaped. After mold closing and extrusion, there is a certain probability that the molded part will fit on the core or cavity, which is not convenient for demolding, affecting subsequent processing operations, resulting in a long time for demolding between two processing operations, thereby affecting processing efficiency.

[0004] Therefore, we propose a beam forming die to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a beam forming die to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A beam forming mold comprises an upper mold and a lower mold, the lower mold consists of a bottom support plate, a base and a pair of side support plates, the base is supported below the bottom support plate, and a telescopic member for driving the bottom support plate to rise and fall is installed inside the base, the pair of side support plates are rotatably connected to the bottom support plate and the base on both sides through a rotating rod, and the ends of the rotating rod are coaxially connected to a gear, a T-shaped frame is fixed on the outer wall of the output shaft of the telescopic member, and both ends of the T-shaped frame extending out of the base are connected to racks, the racks are meshed with the gears, and when the telescopic member is extended, the rack and gear transmission are utilized to control a pair of side support plates to rotate outward and open.

[0008] In a further embodiment, the telescopic member may be one of an electric push rod, a hydraulic cylinder, and a pneumatic cylinder.

[0009] In a further embodiment, a plurality of telescopic members are equidistantly distributed along the length direction of the base and the bottom support plate.

[0010] In a further embodiment, a right-angle notch is formed on one side of the side support plate close to the bottom support plate, and when the side support plate is rotated to a vertical state, the right-angle notch is pressed against the bottom support plate.

[0011] In a further embodiment, a sleeve is connected to the output shaft of the telescopic member, a core rod passes through the interior of the sleeve, and one end of the core rod extending out of the sleeve is connected to the bottom support plate, and a spring is installed between the bottom support plate and the sleeve.

[0012] In a further embodiment, a plurality of positioning holes are evenly formed on both side edges of the bottom of the base.

[0013] In a further embodiment, the T-shaped frame, rack and gear are symmetrically distributed about the front and rear ends of the base.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model is provided with a lower mold in which, when a molded part needs to be demolded, the telescopic part is started to extend, which can not only lift up the bottom support plate to facilitate ejecting the molded part from the mold, but also utilize the rack and gear transmission to control a pair of side support plates to rotate outward and open synchronously, thereby reducing the obstruction of the side support plates to the demolding of the molded part, making the demolding of the molded part more convenient, which is beneficial to reducing the time required for demolding, and thus improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the partial three-dimensional structure of one end of the lower mold of the utility model;

[0018] Figure 3 It is a schematic diagram of the partial equiaxial side structure of one end of the lower die of the utility model;

[0019] Figure 4 This is a schematic diagram of the front view structure of one end of the lower mold of the utility model.

[0020] In the figure: 1, upper mold; 2, bottom support plate; 3, side support plate; 31, right-angle notch; 4, base; 5, rotating rod; 6, gear; 7, telescopic part; 8, T-frame; 9, rack; 10, sleeve; 11, core rod; 12, spring. DETAILED DESCRIPTION

[0021] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0022] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood by specific circumstances.

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4A beam forming mold comprises an upper mold 1 and a lower mold, wherein the lower mold is composed of a bottom support plate 2, a base 4 and a pair of side support plates 3, wherein the base 4 is supported under the bottom support plate 2 and is used to hold the bottom support plate 2, wherein the base 4 is hollow inside and has through-connections at both ends, wherein a telescopic member 7 for driving the bottom support plate 2 to rise and fall is installed inside the base 4, wherein the bottom of the telescopic member 7 is fixed to the inner bottom surface of the base 4, and the output shaft end of the telescopic member 7 is connected to the bottom support plate 2, so that after the molded part is pressed, the telescopic member 7 is extended to drive the bottom support plate 2 to rise, thereby lifting the molded part, which is convenient for demolding the molded part, and the pair of side support plates 3 are provided at the same time. The side support plates 3 are symmetrically distributed on both sides of the bottom support plate 2 and the base 4. A rotating rod 5 is fixed to the bottom end of the pair of side support plates 3. The rotating rod 5 is rotatably connected to the base 4 through a bearing seat, and the end of the rotating rod 5 is coaxially connected to a gear 6. A T-shaped frame 8 is fixed on the outer wall of the output shaft of the telescopic member 7, and both ends of the T-shaped frame 8 extending out of the base 4 are connected to a rack 9, and the rack 9 is meshed with the gear 6, so that when the telescopic member 7 is extended, the rack 9 is driven to move upward, thereby driving the gear 6 to rotate outward, and then controlling a pair of side support plates 3 to rotate outward and open, thereby expanding the size of the cavity and further facilitating the demolding of the molded parts.

[0025] See also Figure 1-2 In order to improve the stability of the bottom support plate 2 when it is lifted or lowered, the telescopic member 7 can be one of an electric push rod, a hydraulic cylinder, and a pneumatic cylinder, and there are several telescopic members 7 equidistantly distributed along the length direction of the base 4 and the bottom support plate 2 to ensure that the bottom of the long strip of bottom support plate 2 can be evenly supported.

[0026] See also Figure 4 , considering that when the telescopic member 7 and the side support plate 3 rotate and open synchronously, the telescopic member 7 drives the molded member to move up and there is a possibility of friction with the side support plate 3, which is easy to cause wear of the molded member, a sleeve 10, a core rod 11 and a spring 12 are installed between the output shaft of the telescopic member 7 and the bottom support plate 2, wherein the sleeve 10 is fixed on the output shaft of the telescopic member 7, the core rod 11 passes through the interior of the sleeve 10, and the end of the core rod 11 extending out of the sleeve 10 is connected to the bottom support plate 2, and a spring 12 is also installed between the bottom support plate 2 and the sleeve 10, and the spring 12 is sleeved on the outer periphery of the end of the core rod 11 extending out of the sleeve 10, so that in the initial state of the telescopic member 7, the spring 12 is in an extended state, and then the bottom support plate 2 can be tightened to close to the base 4, and when the telescopic member 7 is extended, the side support plate 3 is first driven to rotate outward to open, and at this time, the sleeve 10 will also be driven to compress the spring 12, so that the spring 12 is gradually compressed, and the bottom support plate 2 will not move up before the side support plate 3 is opened.

[0027] See also Figure 3-4In order to further ensure that the side support plate 3 can rotate relative to the bottom support plate 2 first, a right-angle notch 31 is provided on one side of the side support plate 3 close to the bottom support plate 2. When the side support plate 3 is rotated to a vertical state, the right-angle notch 31 presses on the bottom support plate 2, thereby preventing the bottom support plate 2 from moving upward when the side support plate 3 is pressed on the bottom support plate 2.

[0028] See also Figure 1 In order to ensure the stability of the entire mold, a number of positioning holes are evenly opened on the edges of both sides of the bottom of the base 4. Bolts are inserted into the positioning holes for fixing, which can improve the firmness of the base 4. At the same time, T-shaped frames 8, racks 9 and gears 6 are symmetrically distributed about the front and rear ends of the base 4, so that both ends of the side support plate 3 can be driven to rotate, making its rotation more stable and balanced.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0030] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A beam forming die, comprising an upper die (1) and a lower die, characterized in that: The lower mold is composed of a bottom support plate (2), a base (4) and a pair of side support plates (3); the base (4) is supported below the bottom support plate (2), and a telescopic member (7) for driving the bottom support plate (2) to rise and fall is installed inside the base (4); the pair of side support plates (3) are rotatably connected to the bottom support plate (2) and the base (4) on both sides through a rotating rod (5), and the end of the rotating rod (5) is coaxially connected to a gear (6); a T-shaped frame (8) is fixed on the outer wall of the output shaft of the telescopic member (7), and both ends of the T-shaped frame (8) extending out of the base (4) are connected to a rack (9), and the rack (9) is meshingly connected to the gear (6); when the telescopic member (7) is extended, the rack (9) and the gear (6) are used to control the pair of side support plates (3) to rotate outward and open.

2. A beam forming mold according to claim 1, characterized in that: The telescopic member (7) may be one of an electric push rod, a hydraulic cylinder, and a pneumatic cylinder.

3. A beam forming mold according to claim 1, characterized in that: A plurality of telescopic members (7) are equidistantly distributed along the length direction of the base platform (4) and the bottom support plate (2).

4. The beam forming mold according to claim 1, characterized in that: A right-angle notch (31) is provided on one side of the side support plate (3) close to the bottom support plate (2); when the side support plate (3) is rotated to a vertical state, the right-angle notch (31) is pressed against the bottom support plate (2).

5. The beam forming mold according to claim 1, characterized in that: A sleeve (10) is connected to the output shaft of the telescopic member (7), a core rod (11) passes through the interior of the sleeve (10), and one end of the core rod (11) extending out of the sleeve (10) is connected to the bottom support plate (2), and a spring (12) is also installed between the bottom support plate (2) and the sleeve (10).

6. The beam forming mold according to claim 1, characterized in that: A plurality of positioning holes are evenly arranged on both side edges of the bottom of the base (4).

7. The crossbeam forming mold according to claim 1, characterized in that: The T-shaped frame (8), the rack (9) and the gear (6) are symmetrically distributed about the front and rear ends of the base (4).

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