Automobile lining sleeve preforming die

Abstract

The utility model relates to the technical field of automobile part molds, in particular to an automobile lining sleeve preforming mold which comprises a base and a top seat, a bottom plate is installed at the upper end of the base, installation side plates are fixedly connected to the two sides of the bottom plate, and a fixing plate is fixedly connected to the lower end of the top seat through bolts. A nitrogen spring is installed in the middle of the fixing plate, the output end of the nitrogen spring is in butt joint with an upper die structure, a mounting bottom plate is fixedly connected to the upper end of the bottom plate through screws, a mounting groove is formed in the middle of the mounting bottom plate, a lower die is fixedly connected into the mounting groove through screws, and a plurality of limiting pieces are arranged on the four sides of the lower die. According to the utility model, the upper pressing die and the lower die are matched for use, a plate is pressed into three sections of continuous semicircular preforming parts, and then the preforming parts are used for producing the bushing sleeve, so that the problem that deformation is easy to occur in the traditional forming process can be avoided, and the shape and the size of the forming design are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile spare parts molds, in particular to an automobile bushing sleeve preforming mold. Background Art

[0002] In the modern automobile manufacturing industry, the precision and stability of automobile parts are crucial to the performance and safety of the entire vehicle. As an important component connecting the body and the suspension system, automobile bushings and sleeves are used to reduce vibration, lower noise, and ensure the correct positional relationship between parts.

[0003] In the production process of bushings and casings, metal materials are prone to deformation during the forming process. In order to ensure that the material can accurately reach the designed shape and size during the forming process, the preforming mold plays a key role.

[0004] Therefore, an automobile bushing sleeve preforming die is needed to improve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a preforming die for an automobile bushing sleeve to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the present invention provides the following technical solutions:

[0007] The automobile bushing sleeve preforming mold includes a base and a top seat. The upper end of the base is installed with a bottom plate, and both sides of the bottom plate are fixedly connected with mounting side plates. The lower end of the top seat is fixedly connected to a fixing plate by bolts. A nitrogen spring is installed in the middle of the fixing plate, and the output end of the nitrogen spring is connected to the upper mold structure; the upper end of the bottom plate is fixedly connected to the mounting base plate by screws, and a mounting groove is opened in the middle of the mounting base plate. The lower mold is fixedly connected to the mounting groove by screws, and a plurality of limit members are provided on the four sides of the lower mold to keep the side of the lower mold stable during stamping.

[0008] As a preferred solution of the present invention, the middle portion of the lower mold has a semicircular convex end protruding upward, and semicircular grooves are provided on both sides of the semicircular convex end.

[0009] As a preferred solution of the present invention, the upper mold structure includes a fixed block, a cavity for the nitrogen spring to pass through is opened through the middle of the fixed block, an upper die is provided below the fixed block, and the middle of the upper end of the upper die is docked with the output end of the nitrogen spring.

[0010] As a preferred solution of the present invention, the lower end of the upper die is adapted to the internal shape of the lower die.

[0011] As a preferred solution of the present invention, a plurality of mounting grooves are provided on both the upper and lower end surfaces of the fixing block, and a buffer block is connected to the interior of each mounting groove by screws.

[0012] As a preferred solution of the present invention, the limiter includes a group of end limiter blocks and several side limiters. The end of each end limiter block is connected to the lower mold with a fixing plate by a screw, and a plate is placed between the fixing plates on both sides.

[0013] As a preferred solution of the present invention, the side limiter includes two groups of side limit blocks arranged on the side of the lower mold, and a middle limit block is arranged between two adjacent side limit blocks. Each of the side limit blocks and the middle limit block is fixedly connected to the mounting base by screws.

[0014] As a preferred solution of the present invention, a limiting connector is provided between the base plate and the top seat, and the limiting connector includes a group of symmetrically arranged telescopic rods, and the outer sides of the sleeves of the telescopic rods on both sides are fixedly connected with docking plates, and the docking plates and the top seat are fixedly connected by screws.

[0015] As a preferred solution of the present invention, a group of upper connecting blocks are fixedly connected to the lower end of the top seat, and the two upper connecting blocks are arranged along the docking line of the top seat. A lower connecting block is correspondingly provided at the lower end of each upper connecting block, and the lower connecting block is fixedly connected to the bottom plate. The interior of the upper connecting block is fixedly connected with an insertion rod, and the insertion rod cooperates with the lower connecting block to limit the insertion.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The utility model uses the upper pressing die and the lower die in cooperation to press the plate into three sections of continuous semicircular preforms, which are then produced into bushings and sleeves through the preforms, thus avoiding the problem of deformation that is easy to occur in the traditional molding process and ensuring the shape and size of the molding design. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is the exploded structure diagram of the utility model;

[0020] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 This is a schematic diagram of the disassembly of the present utility model.

[0022] In the figure: base 1, top seat 2, fixed plate 3, mounting side plate 4, bottom plate 5, upper connecting block 6, lower connecting block 7, upper die 8, fixed block 9, nitrogen spring 10, telescopic rod 11, mounting base 12, lower die 13, side limit blocks 14, end limit blocks 15, fixed plate 16, middle limit block 17, mounting groove 18, buffer block 19. DETAILED DESCRIPTION

[0023] The following will combine 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, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to related disclosures. Several embodiments of the present invention are provided. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended only to describe specific embodiments and are not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0027] See also Figure 1-4 , this utility model provides a technical solution:

[0028] For example, please refer to Figure 1 、 2, 3 and 4, a preforming mold for an automobile bushing sleeve, comprising a base 1 and a top seat 2, a bottom plate 5 is installed on the upper end of the base 1, and both sides of the bottom plate 5 are fixedly connected with mounting side plates 4, the lower end of the top seat 2 is fixedly connected with a fixing plate 3 by bolts, a nitrogen spring 10 is installed in the middle of the fixing plate 3, and the output end of the nitrogen spring 10 is docked with an upper mold structure; the upper end of the bottom plate 5 is fixedly connected with a mounting base plate 12 by screws, and a mounting groove is opened in the middle of the mounting base plate 12, and a lower mold 13 is fixedly connected with the mounting groove by screws, and a plurality of limit members are provided on the four sides of the lower mold 13, which keep the side of the lower mold 13 stable during stamping by the plurality of limit members.

[0029] The nitrogen spring 10 is connected to an external gas source, which drives the upper mold structure to cooperate with the lower mold 13 to punch the plate into a semi-finished product. The semi-finished product is in the shape of three arcs, which is convenient for subsequent downward pressing. During the downward pressing process, several limiting parts are set to limit the four sides of the pressing area to avoid displacement of the plate.

[0030] Please refer to Figure 1 、 2 , 3 and 4, the upper mold structure includes a fixed block 9, the middle part of the fixed block 9 is penetrated by a cavity for the nitrogen spring 10 to pass through, an upper die 8 is provided below the fixed block 9, the middle part of the upper end of the upper die 8 is matched with the output end of the nitrogen spring 10, the middle part of the lower die 13 has an upwardly protruding semicircular convex end, and semicircular grooves are provided on both sides of the semicircular convex end, and the lower end of the upper die 8 is adapted to the internal shape of the lower die 13.

[0031] Under the action of the nitrogen spring 10, the upper die 8 is pressed down to cooperate with the lower die 13, and the plate body is punched into three continuous semi-circular semi-finished products, which is convenient for the subsequent forming of the sleeve and avoids the problem of deformation that is easy to occur during the forming process.

[0032] Please refer to Figure 1 、 2 , 3 and 4, the upper and lower end surfaces of the fixing block 9 are provided with a plurality of mounting grooves 18, and the interior of each mounting groove 18 is connected to a buffer block 19 by screws.

[0033] The limiting parts include a group of end limit blocks 15 and several side limit blocks. A fixing plate 16 is connected to the end of each end limit block 15 and the lower mold 13 by screws, and a plate is placed between the fixing plates 16 on both sides. The side limit parts include two groups of side limit blocks 14 arranged on the side of the lower mold 13, and a middle limit block 17 is arranged between two adjacent side limit blocks 14. Each side limit block 14 and the middle limit block 17 are fixedly connected to the mounting base 12 by screws.

[0034] The panel is placed on the lower die 13, and the two sides of the panel are limited and fixed by the fixing plates 16 on both sides to maintain the overall stability of the panel. At the same time, the side limit blocks 14 and the middle limit blocks 17 limit and protect the sides of the panel during the stamping process to avoid displacement of the panel.

[0035] A limited connection piece is provided between the bottom plate 5 and the top seat 2, and the limited connection piece includes a group of symmetrically arranged telescopic rods 11, and the outer sides of the shaft sleeves of the telescopic rods 11 on both sides are fixedly connected with docking plates, and the docking plates and the top seat 2 are fixedly connected by screws. A group of upper connecting blocks 6 are fixedly connected to the lower end of the top seat 2, and the two upper connecting blocks 6 are arranged along the docking line of the top seat 2. A lower connecting block 7 is correspondingly provided at the lower end of each upper connecting block 6, and the lower connecting block 7 is fixedly connected to the bottom plate 5. The interior of the upper connecting block 6 is fixedly connected with an insertion rod, and the insertion rod cooperates with the lower connecting block 7 for limited insertion.

[0036] The shaft sleeve of the telescopic rod 11 is docked with the top seat 2 through the docking plate, and the upper connecting block 6 is limitedly plugged in with the lower connecting block 7 through the plug rod, so that the installation distance between the bottom plate 5 and the top seat 2 can be adjusted and the relative position between the bottom plate 5 and the top seat 2 is kept stable.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A preforming mold for an automobile bushing sleeve, comprising a base (1) and a top seat (2), wherein a bottom plate (5) is mounted on the upper end of the base (1), and mounting side plates (4) are fixedly connected to both sides of the bottom plate (5), and a fixing plate (3) is fixedly connected to the lower end of the top seat (2) by bolts, characterized in that: A nitrogen spring (10) is installed in the middle of the fixed plate (3), and the output end of the nitrogen spring (10) is docked with an upper mold structure; The upper end of the base plate (5) is fixedly connected to the mounting base plate (12) by screws, a mounting groove is provided in the middle of the mounting base plate (12), a lower die (13) is fixedly connected in the mounting groove by screws, and a plurality of limiting members are provided on four sides of the lower die (13), and the side edges of the lower die (13) are kept stable during stamping by the plurality of limiting members.

2. The automobile bushing preforming mold according to claim 1, characterized in that: The middle portion of the lower die (13) is provided with a semicircular convex end protruding upward, and semicircular grooves are provided on both sides of the semicircular convex end.

3. The automobile bushing preforming mold according to claim 2, characterized in that: The upper mold structure includes a fixed block (9), a cavity for the nitrogen spring (10) to pass through is opened in the middle of the fixed block (9), an upper die (8) is provided below the fixed block (9), and the middle of the upper end of the upper die (8) is docked with the output end of the nitrogen spring (10).

4. The automobile bushing preforming mold according to claim 3, characterized in that: The lower end of the upper die (8) is adapted to the internal shape of the lower die (13).

5. The automobile bushing preforming die according to claim 4, characterized in that: The upper and lower end surfaces of the fixing block (9) are both provided with a plurality of mounting grooves (18), and the interior of each mounting groove (18) is connected to a buffer block (19) via screws.

6. The automobile bushing preforming die according to any one of claims 1 to 5, characterized in that: The limiting parts include a group of end limiting blocks (15) and a plurality of side limiting parts. A fixing plate (16) is connected between the end of each end limiting block (15) and the lower mold (13) by screws, and a plate is placed between the fixing plates (16) on both sides.

7. The automobile bushing preforming mold according to claim 6, characterized in that: The side limiter comprises two groups of side limit blocks (14) arranged on the sides of the lower mold (13), a middle limit block (17) is arranged between two adjacent side limit blocks (14), and each of the side limit blocks (14) and the middle limit block (17) is fixedly connected to the mounting base plate (12) by screws.

8. The automobile bushing preforming die according to claim 7, characterized in that: A limiting connection piece is provided between the bottom plate (5) and the top seat (2), and the limiting connection piece comprises a group of symmetrically arranged telescopic rods (11), and the outer sides of the shaft sleeves of the telescopic rods (11) on both sides are fixedly connected with a docking plate, and the docking plate and the top seat (2) are fixedly connected by screws.

9. The automobile bushing preforming die according to claim 8, characterized in that: The lower end of the top seat (2) is fixedly connected to a group of upper connecting blocks (6), two of the upper connecting blocks (6) are arranged along the docking line of the top seat (2), and the lower end of each upper connecting block (6) is correspondingly provided with a lower connecting block (7), the lower connecting block (7) is fixedly connected to the bottom plate (5), and the interior of the upper connecting block (6) is fixedly connected to an insertion rod, and the insertion rod cooperates with the lower connecting block (7) to limit the insertion.

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