Stamping die for longitudinal pipe on left side of rear backrest of automobile seat

Abstract

The utility model discloses a stamping die for a longitudinal pipe on the left side of a rear backrest of an automobile seat. The stamping die comprises an upper die, a lower die, a guide column arranged on the upper die, and a guide hole which is formed in the lower die and used for the guide column to be inserted and connected. The lower die is provided with a first cavity, a second cavity and a third cavity, the longitudinal pipe can be transversely inserted into the first cavity, the longitudinal pipe can be longitudinally inserted into the second cavity, and the longitudinal pipe can be longitudinally inserted into the third cavity. A first punching punch and a first notch punch are arranged at the positions, corresponding to the first cavity, of the upper die. A first trimming punch is arranged at the position, corresponding to the second cavity, of the upper die, and a second trimming punch is arranged at the position, corresponding to the third cavity, of the upper die.

Description

Technical Field

[0001] This utility model relates to the field of molds, and more specifically, to a stamping mold for the left longitudinal tube of the backrest of an automobile seat. Background Technology

[0002] In the existing technology, when stamping the left longitudinal tube of the backrest of a car seat, three sets of one-cavity dies are required, and the stamping is completed in three stages. The first die punches holes and notches, the second die punches two trimmings, and the third die punches three trimmings. This requires three people and three punch presses, frequent die changes and adjustments, which wastes time and is inefficient. Utility Model Content

[0003] This utility model addresses the aforementioned deficiencies in the prior art by providing a stamping die for the left longitudinal tube of the rear seat backrest of an automobile.

[0004] The technical solution adopted by this utility model to solve its technical problem is: to construct a stamping die for the left longitudinal tube of the backrest of an automobile seat, the stamping die including an upper die, a lower die, a guide post disposed on the upper die, and a guide hole disposed on the lower die for the guide post to be inserted and connected.

[0005] The lower die is provided with a first cavity for horizontal insertion of the longitudinal tube, a second cavity for vertical insertion of the longitudinal tube, and a third cavity for vertical insertion of the longitudinal tube. The upper die is provided with a first punch and a first notch punch at the corresponding positions of the first cavity, a first trimming punch at the corresponding position of the second cavity, and a second trimming punch at the corresponding position of the third cavity.

[0006] The top surface of the lower die is provided with a first insertion hole at a position corresponding to the first punch, allowing the first punch to be inserted into the first cavity; the top surface of the lower die is provided with a second insertion hole at a position corresponding to the first notched punch, allowing the first notched punch to be inserted into the first cavity; the top surface of the lower die is provided with a third insertion hole at a position corresponding to the first trimming punch, allowing the first trimming punch to be inserted into the second cavity; and the top surface of the lower die is provided with a fourth insertion hole at a position corresponding to the second trimming punch, allowing the second trimming punch to be inserted into the third cavity.

[0007] In the stamping die for the left longitudinal tube of the car seat backrest described in this utility model, a first core rod is provided in the first cavity to support the longitudinal tube. When the longitudinal tube is inserted into the first cavity, the first core rod is inserted into the longitudinal tube and supports the longitudinal tube.

[0008] The second cavity is provided with a second core rod to support the longitudinal tube. When the longitudinal tube is inserted into the second cavity, the second core rod is inserted into the longitudinal tube and supports the longitudinal tube.

[0009] The third cavity is provided with a third core rod that supports the longitudinal tube. When the longitudinal tube is inserted into the third cavity, the third core rod is inserted into the longitudinal tube and supports the longitudinal tube.

[0010] In the stamping die for the left longitudinal tube of the car seat backrest described in this utility model, a first clearance hole is provided on the first mandrel at the position corresponding to the first punch, and a first clearance notch is provided on the first mandrel at the position corresponding to the first notch punch.

[0011] The second mandrel has a second clearance notch at a position corresponding to the first cutting edge punch, and the third mandrel has a third clearance notch at a position corresponding to the second cutting edge punch.

[0012] In the stamping die for the left longitudinal tube of the car seat backrest described in this utility model, the lower die is also provided with a material support plate that supports the tail end of the longitudinal tube when the longitudinal tube is inserted into the first cavity, the second cavity or the third cavity.

[0013] In the stamping die for the left longitudinal tube of the car seat backrest described in this utility model, the bottom of the lower die is provided with die feet to support the lower die.

[0014] The stamping die for the left longitudinal tube of the car seat backrest of this utility model has the following beneficial effects: When using the stamping die for the left longitudinal tube of the car seat backrest of this utility model, the longitudinal tube can be inserted laterally into the first cavity of the lower die. The upper die moves downward, driving the first punching punch and the first notching punch to punch the longitudinal tube to form the first punch and the first notch. Then the longitudinal tube is inserted into the second cavity, and the upper die moves downward, driving the first trimming punch to trim the longitudinal tube a second time. Finally, the longitudinal tube is inserted into the third cavity, and the upper die moves downward, driving the second trimming punch to trim the longitudinal tube a third time. The stamping die of this application only requires one die to realize the three stamping processes of the longitudinal tube, reducing the number of personnel and saving two punch presses, reducing the number of die changes and the number of scrapped products due to die change and debugging, saving processing costs, and greatly improving production efficiency. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments. In the accompanying drawings:

[0016] Figure 1 This is a schematic diagram of the upper mold structure of the stamping die for the left longitudinal tube of the car seat backrest of this utility model;

[0017] Figure 2 This is a schematic diagram of the lower die structure of the stamping die for the left longitudinal tube of the car seat backrest of this utility model;

[0018] Figure 3 This is a front structural schematic diagram of the stamping die for the left longitudinal tube of the rear seat back of the car, which is a utility model. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0020] like Figure 1-3 As shown, in the first embodiment of the stamping die for the left longitudinal tube of the car seat backrest of this utility model, the stamping die 10 includes an upper die 11, a lower die 12, a guide post 13 disposed on the upper die 11, and a guide hole 14 disposed on the lower die 12 for the guide post 13 to be inserted and connected.

[0021] The lower mold 12 is provided with a first cavity 15 for horizontal insertion of the longitudinal tube 100, a second cavity 16 for vertical insertion of the longitudinal tube 100, and a third cavity 17 for vertical insertion of the longitudinal tube 100. The upper mold 11 is provided with a first punching punch 18 and a first notching punch 19 at positions corresponding to the first cavity 15. The upper mold 11 is provided with a first trimming punch 20 at positions corresponding to the second cavity 16 and a second trimming punch 21 at positions corresponding to the third cavity 17.

[0022] The top surface of the lower die 12 is provided with a first insertion hole 24 at a position corresponding to the first punch 18, allowing the first punch 18 to be inserted into the first cavity 15. The top surface of the lower die 12 is provided with a second insertion hole 25 at a position corresponding to the first notched punch 19, allowing the first notched punch 19 to be inserted into the first cavity 15. The top surface of the lower die 12 is provided with a third insertion hole 26 at a position corresponding to the first trimming punch 20, allowing the first trimming punch 20 to be inserted into the second cavity 16. The top surface of the lower die 12 is provided with a fourth insertion hole 27 at a position corresponding to the second trimming punch 21, allowing the second trimming punch 21 to be inserted into the third cavity 17.

[0023] When using the stamping die for the left longitudinal tube of the car seat backrest of this utility model, the longitudinal tube 100 can be inserted laterally into the first cavity 15 of the lower die 12. The upper die 11 moves downward, causing the first punching punch 18 and the first notching punch 19 to punch the longitudinal tube 100 to form the first punch and the first notch. Then, the longitudinal tube 100 is inserted into the second cavity 16, and the upper die 11 moves downward, causing the first trimming punch 20 to trim the longitudinal tube 100 a second time. Finally, the longitudinal tube 100 is inserted into the third cavity 17, and the upper die 11 moves downward, causing the second trimming punch 21 to trim the longitudinal tube 100 a third time. The stamping die 10 of this application only requires one die to realize the three stamping processes of the longitudinal tube 100, reducing the number of personnel and saving two punch presses, reducing the number of die changes and the number of scrapped products due to die change and debugging, saving processing costs, and greatly improving production efficiency.

[0024] Specifically, the first cavity 15 is provided with a first mandrel that supports the longitudinal tube 100. When the longitudinal tube 100 is inserted into the first cavity 15, the first mandrel is inserted into the longitudinal tube 100 and supports the longitudinal tube 100.

[0025] The second cavity 16 is provided with a second mandrel that supports the longitudinal tube 100. When the longitudinal tube 100 is inserted into the second cavity 16, the second mandrel is inserted into the longitudinal tube 100 and supports the longitudinal tube 100.

[0026] The third cavity 17 is provided with a third core rod that supports the longitudinal tube 100. When the longitudinal tube 100 is inserted into the third cavity 17, the third core rod is inserted into the longitudinal tube 100 and supports the longitudinal tube 100.

[0027] By setting the first mandrel, the second mandrel, and the third mandrel, the longitudinal tube 100 is supported, preventing deformation of the longitudinal tube 100 during the stamping process.

[0028] Furthermore, the first mandrel has a first clearance hole at a position corresponding to the first punch 18, and the first mandrel has a first clearance notch at a position corresponding to the first notch punch 19.

[0029] The second mandrel has a second clearance notch at a position corresponding to the first cutting punch 20, and the third mandrel has a third clearance notch at a position corresponding to the second cutting punch 21.

[0030] To better support the longitudinal tube 100 and prevent the tail of the longitudinal tube 100 from shifting downwards due to gravity, the lower mold 12 is also provided with a material support plate 22 that supports the tail of the longitudinal tube 100 when it is inserted into the first cavity 15, the second cavity 16 or the third cavity 17.

[0031] Furthermore, the bottom of the lower mold 12 is provided with mold feet 23 to support the lower mold 12.

[0032] Furthermore, in this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," "stacked," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An automobile seat backrest left side longitudinal tube stamping die, characterized in that, The punch die comprises an upper die, a lower die, a guide column arranged on the upper die, and a guide hole arranged on the lower die and capable of being connected with the guide column; The lower die is provided with a first cavity capable of inserting the longitudinal pipe horizontally, a second cavity capable of inserting the longitudinal pipe vertically, and a third cavity capable of inserting the longitudinal pipe vertically; the upper die is provided with a first punching punch and a first notching punch at a position corresponding to the first cavity, is provided with a first trimming punch at a position corresponding to the second cavity, and is provided with a second trimming punch at a position corresponding to the third cavity; The top surface of the lower die is provided with a first insertion hole capable of inserting the first punching punch into the first cavity at a position corresponding to the first punching punch, is provided with a second insertion hole capable of inserting the first notching punch into the first cavity at a position corresponding to the first notching punch, is provided with a third insertion hole capable of inserting the first trimming punch into the second cavity at a position corresponding to the first trimming punch, and is provided with a fourth insertion hole capable of inserting the second trimming punch into the third cavity at a position corresponding to the second trimming punch.

2. The stamping die for a left side longitudinal pipe of a backrest of an automobile seat according to claim 1, characterized in that, The first cavity is provided with a first core rod for supporting the longitudinal pipe, and when the longitudinal pipe is inserted into the first cavity, the first core rod is inserted into the longitudinal pipe and supports the longitudinal pipe; The second cavity is provided with a second core rod for supporting the longitudinal pipe, and when the longitudinal pipe is inserted into the second cavity, the second core rod is inserted into the longitudinal pipe and supports the longitudinal pipe; The third cavity is provided with a third core rod for supporting the longitudinal pipe, and when the longitudinal pipe is inserted into the third cavity, the third core rod is inserted into the longitudinal pipe and supports the longitudinal pipe.

3. The stamping die for a left side longitudinal pipe of a backrest of an automobile seat according to claim 2, characterized in that, The first core rod is provided with a first accommodation hole at a position corresponding to the first punching punch, and is provided with a first accommodation notch at a position corresponding to the first notching punch; The second core rod is provided with a second accommodation notch at a position corresponding to the first trimming punch, and the third core rod is provided with a third accommodation notch at a position corresponding to the second trimming punch.

4. The stamping die for a left side longitudinal pipe of a backrest of an automobile seat according to claim 1, characterized in that, The lower die is further provided with a material supporting plate for supporting the tail of the longitudinal pipe when the longitudinal pipe is inserted into the first cavity, the second cavity, or the third cavity.

5. The stamping die for a left side longitudinal pipe of a backrest of an automobile seat according to claim 1, characterized in that, The bottom of the lower die is provided with a die foot for supporting the lower die.

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