Rear longitudinal beam forming mold convenient to demold

Abstract

The rear longitudinal beam forming mold convenient to demold comprises a frame body, a second mold is fixedly connected to the inner wall of the bottom of the frame body, a groove is formed in the top of the second mold, two first springs are fixedly connected to the bottom of the groove, and a sliding plate is fixedly connected to the tops of the two first springs; a hydraulic cylinder is fixedly connected to the inner wall of the top of the frame body, a first mold is fixedly connected to one end of a hydraulic rod of the hydraulic cylinder, two sliding holes penetrating through the first mold are formed in the upper surface of the first mold, and sliding rods are slidably connected into the two sliding holes. According to the plate stamping die, the plate stamping effect can be prevented from being inconsistent with the actual situation, demolding is facilitated, the using convenience of the die is improved, the pressing plate can be prevented from moving in the plate stamping process, the using stability of the die is improved, the sliding plate can be prevented from inclining in the downward moving process, and the plate stamping efficiency is improved. And the use effect of the mold is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a rear longitudinal beam forming mold which is easy to demould. Background Art

[0002] The rear longitudinal beam of a car is an important component of its load-bearing structure. It is located at the rear of the car. As a key load-bearing component of the car, the rear longitudinal beam plays a vital role in the stability and safety of the car.

[0003] After searching, a Chinese patent with publication number CN211758009U discloses a die for stamping a rear longitudinal beam of an automobile, including a hydraulic cylinder, a bottom plate and a top plate. A movable die plate is fixedly installed on the piston rod of the hydraulic cylinder to improve the processing efficiency. The parts can be automatically separated during mold separation, which is convenient to use. However, the following defects still exist. During processing, since the second circular hole is not closed during the stamping process, it is easy to cause two circular bumps at the moment of stamping the sheet, resulting in a situation that is inconsistent with the actual stamping effect. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a rear longitudinal beam forming die which is easy to demould.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The top of the second mold is provided with a second spring, and the second spring is fixedly connected to the bottom of the groove; the top of the two first springs is fixedly connected to a slide plate; the top inner wall of the frame is fixedly connected to a hydraulic cylinder; one end of a hydraulic rod of the hydraulic cylinder is fixedly connected to the first mold; the upper surface of the first mold is provided with two sliding holes that penetrate the first mold; the two sliding holes are slidably connected with sliding rods; the bottom end of the sliding rod extends out of the sliding hole and is fixedly connected to a pressing plate that fits the first mold; a limiting groove is provided on one side of the sliding rod; the two sliding holes are fixedly connected with a fixing plate, and the fixing plate passes through the limiting groove; the top of the sliding hole is fixedly connected with a second spring, and the second spring is fixed to the fixing plate; the top of the first mold is provided with a fixing component for limiting the sliding rod.

[0007] As a further solution of the utility model, the fixing assembly includes two fixing blocks, one side of the two fixing blocks is provided with a sliding opening, a plug rod is slidably connected in the sliding opening, one side of the sliding rod is provided with a socket, and the plug rod is plugged into the socket.

[0008] As a further solution of the utility model, a pull ring for pulling the insertion rod to move is fixedly connected to one side of the insertion rod.

[0009] As a further solution of the utility model, a guide rod is fixedly connected to the top of the sliding hole, and the guide rod passes through the second spring and the fixed plate.

[0010] As a further solution of the utility model, a plurality of multi-section telescopic rods are fixedly connected to the bottom of the groove, and one end of the telescopic parts of the plurality of multi-section telescopic rods is fixed to the slide plate.

[0011] As a further solution of the utility model, the bottom inner wall of the frame is fixedly connected with a bottom foot.

[0012] As a further solution of the utility model, a rubber pad is fixedly connected to the bottom of the base foot, and the rubber pad is the same length as the base foot.

[0013] As a further solution of the present invention, the first mold is matched with the second mold.

[0014] The beneficial effects of the utility model are:

[0015] 1. Through the setting of the pressing plate, during the stamping process, the pressing plate will resist and close the sliding hole on the first mold, thereby preventing the stamping effect of the sheet from being inconsistent with the actual situation. After the stamping is completed, if the sheet is stuck in the first mold, the sliding rod will be pulled downward by the second spring, and the sliding rod will push the pressing plate downward to push the sheet out. If the sheet is stuck in the second mold, the sliding plate will push the sheet out through the force of the first spring, thereby facilitating demoulding and improving the convenience of using the mold.

[0016] 2. By setting the fixing component, the sliding rod is limited and fixed using the fixing component, so as to prevent the pressing plate from moving during the stamping process of the sheet, thereby improving the stability of the mold.

[0017] 3. Through the setting of the multi-section telescopic rod, during the stamping process of the plate, the slide plate will be squeezed to move into the groove. At this time, the slide plate will squeeze the multi-section telescopic rod to shrink. At this time, under the action of the multi-section telescopic rod, the slide plate will move vertically downward, thereby avoiding the slide plate from tilting during the downward movement, thereby improving the use effect of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional structural schematic diagram of a rear longitudinal beam forming mold that is easy to demould, which is proposed by the utility model;

[0019] Figure 2 This is a schematic cross-sectional structure diagram of a frame of a rear longitudinal beam forming mold that is easy to demould, as proposed by the utility model;

[0020] Figure 3This is a schematic diagram of the enlarged structure of the A part of a rear longitudinal beam forming mold for easy demoulding proposed by the utility model;

[0021] Figure 4 The utility model is a partially enlarged structural schematic diagram of a rear longitudinal beam forming mold which is easy to demould.

[0022] In the figure: 1. base; 2. frame; 3. hydraulic cylinder; 4. slide bar; 5. first mold; 6. pressure plate; 7. second mold; 8. slide plate; 9. first spring; 10. multi-section telescopic rod; 11. insertion rod; 12. pull ring; 14. guide rod; 15. limit groove; 16. second spring; 17. socket; 18. fixing block; 19. fixing plate. DETAILED DESCRIPTION

[0023] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, so that the embodiments of the application described here, based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of this application.

[0024] Reference Figure 1-Figure 4, a rear longitudinal beam forming mold that is easy to demould, includes a frame 2, a second mold 7 is fixed to the bottom inner wall of the frame 2 by bolts, a groove is opened on the top of the second mold 7, two first springs 9 are welded to the bottom of the groove, and a slide plate 8 is welded to the top of the two first springs 9, a hydraulic cylinder 3 is fixed to the top inner wall of the frame 2 by bolts, and one end of the hydraulic rod of the hydraulic cylinder 3 is fixed to the first mold 5 by bolts, and the upper surface of the first mold 5 is provided with two sliding holes that penetrate the first mold 5, and the two sliding holes are slidably connected with sliding rods 4, and the bottom end of the sliding rod 4 extends out of the sliding hole and is fixed with a pressing plate 6 that fits the first mold 5 by bolts, a limiting groove 15 is opened on one side of the sliding rod 4, and a fixing plate 19 is welded in the two sliding holes, and the fixing plate 19 passes through the limiting groove 15, and a second spring 16 is welded on the top of the sliding hole, and the second spring 16 is fixed to the fixing plate 19, and a fixing component for limiting the sliding rod 4 is provided on the top of the first mold 5, the plate is placed on the second mold 7, and then the hydraulic cylinder 3 is started to extend, and the hydraulic When the pressing cylinder 3 is pressed, the first die 5 is pressed and the pressing plate 6 is pressed, so that the pressing plate 6 can be pressed and formed on the sheet. In the process of pressing the sheet, the sliding plate 8 is squeezed to move into the groove, and the sliding plate 8 squeezes the first spring 9, so that the top of the sliding plate 8 is kept flush with the top of the groove. At this time, since the pressing plate 6 blocks the sliding hole on the first die 5, the stamping effect of the sheet can be prevented from being inconsistent with the actual situation. After the stamping of the sheet is completed, the hydraulic cylinder 3 is started to contract, and the hydraulic cylinder 3 can drive the first die 5 to move upward, so that the first die 5 is separated from the second die 7. At this time, if the sheet is stuck in the second die 7, the first spring 9 in the squeezed state will push the sliding plate 8 to move upward, and the sliding plate 8 will push the sheet out. If the sheet is stuck on the first die 5, the fixing assembly will no longer fix the sliding rod 4. At this time, the second spring 16 will pull the sliding rod 4 to move downward, and the sliding rod 4 will push the pressing plate 6 to move downward, so that the pressing plate 6 will push the sheet out, thereby facilitating demoulding and improving the convenience of mold use.

[0025] In the utility model, the fixing assembly includes two fixing blocks 18, one side of the two fixing blocks 18 is provided with a sliding opening, and a plug rod 11 is slidably connected in the sliding opening, and a socket 17 is provided on one side of the slide bar 4, and the plug rod 11 is plugged with the socket 17, and a pull ring 12 for pulling the plug rod 11 to move is welded on one side of the plug rod 11, and the plug rod 11 is pulled by the pull ring 12 to move, so that the plug rod 11 is separated from the socket 17 on the slide bar 4, and the slide bar 4 is no longer fixed at this time, and a guide rod 14 is fixed to the top of the slide hole by bolts, and the guide rod 14 passes through the second spring 16 and the fixing plate 19 ... The axial rod 14 guides the movement of the sliding rod 4. A plurality of multi-section telescopic rods 10 are fixed to the bottom of the groove by bolts. One end of the telescopic portion of the plurality of multi-section telescopic rods 10 is fixed to the slide plate 8. The slide plate 8 will squeeze the multi-section telescopic rods 10 to contract during the downward movement, so that the slide plate 8 moves vertically downward, thereby preventing the slide plate 8 from tilting during the downward movement, thereby improving the use effect of the mold. A base foot 1 is fixed to the inner wall of the bottom of the frame 2 by bolts. A rubber pad is bonded to the bottom of the base foot 1, and the rubber pad is the same length as the base foot 1. The first mold 5 is adapted to the second mold 7.

[0026] Working principle: When in use, place the sheet on the second die 7, then start the hydraulic cylinder 3 to extend, the hydraulic cylinder 3 will push the first die 5 to move downward, the first die 5 will drive the pressing plate 6 to move downward, so that the pressing plate 6 will punch and form the sheet. In the process of punching the sheet, the slide plate 8 will be squeezed to move into the groove, the slide plate 8 will squeeze the multi-section telescopic rod 10 to contract and squeeze the first spring 9, so that the top of the slide plate 8 is kept flush with the top of the groove. At this time, because the pressing plate 6 blocks the sliding hole on the first die 5, it can prevent the sheet stamping effect from being inconsistent with the actual situation. After the sheet is stamped After that, start the hydraulic cylinder 3 to contract, the hydraulic cylinder 3 will drive the first mold 5 to move upward, so that the first mold 5 is separated from the second mold 7. At this time, if the sheet is stuck in the second mold 7, the first spring 9 in the squeezed state will push the slide plate 8 to move upward, and the slide plate 8 will push the sheet out. If the sheet is stuck on the first mold 5, pull the insertion rod 11 to move, so that the insertion rod 11 is separated from the socket 17 on the slide bar 4. At this time, the second spring 16 will pull the slide bar 4 to move downward, and the slide bar 4 will push the pressure plate 6 to move downward, so that the pressure plate 6 will push the sheet out, thereby facilitating demoulding and improving the convenience of mold use.

[0027] The present invention has been described through the above-mentioned embodiments. Those skilled in the art will appreciate that the present invention is not limited to the above-mentioned embodiments, and more modifications may be made according to the teachings of the present invention. These modifications are all within the scope of protection claimed by the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A rear longitudinal beam forming mold that is easy to demould, comprising a frame (2), characterized in that: The bottom inner wall of the frame (2) is fixedly connected to a second mold (7), the top of the second mold (7) is provided with a groove, the bottom of the groove is fixedly connected to two first springs (9), the tops of the two first springs (9) are fixedly connected to a slide plate (8), the top inner wall of the frame (2) is fixedly connected to a hydraulic cylinder (3), one end of the hydraulic rod of the hydraulic cylinder (3) is fixedly connected to a first mold (5), the upper surface of the first mold (5) is provided with two sliding holes penetrating the first mold (5), and the two sliding holes are slidably connected to each other. A slide rod (4) is provided, a slide hole extending from the bottom end of the slide rod (4) is fixedly connected to a pressure plate (6) that fits the first mold (5), a limiting groove (15) is provided on one side of the slide rod (4), a fixing plate (19) is fixedly connected in both of the two slide holes, and the fixing plate (19) passes through the limiting groove (15), a second spring (16) is fixedly connected to the top of the slide hole, and the second spring (16) is fixed to the fixing plate (19), and a fixing component for limiting the slide rod (4) is provided on the top of the first mold (5).

2. The rear longitudinal beam forming mold that is easy to demould according to claim 1, characterized in that: The fixing assembly comprises two fixing blocks (18), one side of each of the fixing blocks (18) is provided with a sliding opening, an insert rod (11) is slidably connected in the sliding opening, one side of the sliding rod (4) is provided with a socket (17), and the insert rod (11) is plugged into the socket (17).

3. The rear longitudinal beam forming mold that is easy to demould according to claim 2, characterized in that: A pull ring (12) for pulling the insertion rod (11) to move is fixedly connected to one side of the insertion rod (11).

4. The rear longitudinal beam forming mold that is easy to demould according to claim 1, characterized in that: A guide rod (14) is fixedly connected to the top of the sliding hole, and the guide rod (14) passes through the second spring (16) and the fixing plate (19).

5. The rear longitudinal beam forming mold that is easy to demould according to claim 1, characterized in that: A plurality of multi-section telescopic rods (10) are fixedly connected to the bottom of the groove, and one end of the telescopic portion of the plurality of multi-section telescopic rods (10) is fixed to the slide plate (8).

6. The rear longitudinal beam forming mold that is easy to demould according to claim 1, characterized in that: The bottom inner wall of the frame body (2) is fixedly connected with a base foot (1).

7. The rear longitudinal beam forming mold for easy demoulding according to claim 6, characterized in that: A rubber pad is fixedly connected to the bottom of the base foot (1), and the rubber pad is of the same length as the base foot (1).

8. The rear longitudinal beam forming mold that is easy to demould according to claim 1, characterized in that: The first mold (5) is matched with the second mold (7).

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