Multi-station stamping die for automobile seat pan
By integrating forming, trimming, edge trimming and flanging processes with multi-station stamping dies, the problems of low production efficiency and high cost of seat basins have been solved, achieving efficient production and a stable and reliable working environment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONG FENG QI CHE BU JIAN CHANG
- Filing Date
- 2025-06-27
- Publication Date
- 2026-07-03
AI Technical Summary
The current production efficiency of car seat basins is low and the cost is high. It requires multiple sets of molds and equipment, and the production process is long, resulting in low efficiency.
Multi-station stamping dies are used, including first-stage die, second-stage die, third-stage die, fourth-stage die and fifth-stage die, which are used for forming, trimming, edge trimming and flanging processes, respectively. The overall forming of the seat basin is achieved through multi-station dies, reducing the number of dies and labor input.
It improved production efficiency, shortened production preparation time, reduced labor input, improved the working environment, and ensured stability and reliability.
Smart Images
Figure CN224444314U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of automotive seat basin stamping, and in particular a multi-station stamping die for automotive seat basins. Technical Background
[0002] The seat basin is a key component of a car seat, bearing the weight of the human body and being the most complex stamped part in the entire seat frame assembly.
[0003] like Figure 1 and Figure 2 As shown, the structure of the basin includes a main body 1, which has a central hole 2, a waist-shaped platform 3, a circular platform 4, side holes 5, and flanged parts 6 on all four sides. According to the conventional single-process stamping production process, this basin requires multiple sets of molds and stamping equipment, as well as corresponding production workers, resulting in a long production process, high production costs, and low production efficiency. Utility Model Content
[0004] This invention provides a multi-station stamping die for automobile seat basins, aiming to solve the problems of low production efficiency and high cost in existing production methods.
[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is: a multi-station stamping die for automobile seat basins, including an upper die base and a lower die base, characterized in that: a first-stage die, a second-stage die, a third-stage die, a fourth-stage die and a fifth-stage die are arranged sequentially between the upper die base and the lower die base along the conveying direction. The first-stage die is used to form the main body blank of the basin and the waist-shaped platform on the main body. The second-stage die is used to punch off the excess edge material and the central hole of the upper blank and to press the round platform. The third-stage die is used to trim the upper blank, reverse the waist-shaped platform and punch the side holes. The fourth-stage die is used to flanging the edge of the upper blank. The fifth-stage die is used to flanging the flanged part of the upper blank upward.
[0006] The above technical solution is further defined as follows: the sequential mold includes a sequential upper mold and a sequential lower mold; the structure of the sequential upper mold mainly includes a sequential upper pressing module, a sequential upper pressing module, and a sequential forming die embedded in the sequential upper pressing module; the structure of the sequential lower mold mainly includes a sequential floating lower mold sleeve, the sequential floating lower mold sleeve is fixed on the lower mold base, a sequential lower pressing module is embedded on the sequential floating lower mold plate, the sequential lower pressing module is provided with a mold core cavity, the mold core cavity is provided with a sequential forming punch, and the sequential forming punch is fixedly connected to the lower mold base.
[0007] The above technical solution is further defined as follows: the two-stage mold includes a two-stage upper mold and a two-stage lower mold; the structure of the two-stage upper mold mainly includes a two-stage parting die, a two-stage left-side cutting punch, a two-stage right-side cutting punch, a two-stage front-side cutting punch, a two-stage rear-side cutting punch, and a two-stage middle hole punch and a two-stage boss forming die inlaid inside the two-stage parting die; the structure of the two-stage lower mold mainly includes a two-stage parting punch, and a two-stage middle hole die, a two-stage frustum punch, a two-stage left-side cutting die, a two-stage right-side cutting die, a two-stage front-side cutting die, and a two-stage rear-side cutting die inlaid on the two-stage parting punch.
[0008] The above technical solution is further defined as follows: the three-stage mold includes a three-stage upper mold and a three-stage lower mold; the structure of the three-stage upper mold mainly includes a three-stage parting die, which is inlaid with a three-stage upper left corner trimming punch, a three-stage lower left corner trimming punch, a three-stage upper right corner trimming punch, a three-stage lower right corner trimming punch, and a waist-shaped platform reverse forming punch; the left side, right side and front side of the three-stage parting die are all provided with punching hole punches, and the three sets of punching hole punches are driven by their respective thrust mechanisms; the structure of the three-stage lower mold mainly includes a three-stage parting punch, which is inlaid with a three-stage reverse forming die, a three-stage upper left corner trimming die, a three-stage lower left corner trimming die, a three-stage upper right corner trimming die, a three-stage lower right corner trimming die, a left side hole die, a right side hole die, and a front side hole die.
[0009] The above technical solution is further defined as follows: the four-stage mold includes a four-stage upper mold and a four-stage lower mold; the structure of the four-stage upper mold mainly includes a four-stage upper flanging mold and a four-stage parting die; the structure of the four-stage lower mold mainly includes a four-stage lower flanging mold and a four-stage parting punch.
[0010] The above technical solution is further defined as follows: the five-stage mold includes a five-stage upper mold and a five-stage lower mold; the structure of the five-stage upper mold includes a five-stage upper mold sleeve, in which a five-stage upper flanging mold and a five-stage parting die core are inlaid; the structure of the five-stage lower mold mainly includes a five-stage lower flanging mold and a five-stage parting punch.
[0011] Beneficial effects: This utility model adopts a multi-station mold production process, which can reduce and improve mold assembly efficiency, reduce labor input, significantly shorten production preparation time, improve production efficiency, improve the working environment, and ensure stability and reliability. Attached Figure Description
[0012] Figure 1 This is a structural diagram of this product.
[0013] Figure 2 yes Figure 1 The back view.
[0014] Figure 3 This is a structural diagram of the utility model.
[0015] Figure 4 It is a sequence module structure diagram.
[0016] Figure 5 It is a drawing of a blank part formed by a sequential mold.
[0017] Figure 6 It is a binary module structure diagram.
[0018] Figure 7 This is a drawing of a blank formed by a two-stage die.
[0019] Figure 8 It is a three-order upper module structure diagram.
[0020] Figure 9 This is a diagram of the three-order lower module structure.
[0021] Figure 10 This is a drawing of a blank formed by a three-stage die.
[0022] Figure 11 It is a four-order module structure diagram.
[0023] Figure 12 This is a drawing of a blank part formed by four-stage molding.
[0024] Figure 13 It is a five-order module structure diagram.
[0025] Figure 14 This is a drawing of a blank formed by a five-stage mold. Detailed Implementation
[0026] like Figure 3 As shown, a multi-station stamping die for automobile seat basins includes an upper die base 701 and a lower die base 702. A first-order die 8, a second-order die 9, a third-order die 10, a fourth-order die 11 and a fifth-order die 12 are sequentially arranged between the upper die base and the lower die base along the conveying direction.
[0027] like Figure 4As shown, the first-order mold 8 is used to form the blank of the seat body and the waist-shaped platform on the body; the first-order mold includes a first-order upper mold and a first-order lower mold; the structure of the first-order upper mold mainly includes a first-order upper pressing module 801, a first-order upper pressing module, a first-order forming die 802 is inlaid in the first-order upper pressing module, and the first-order upper pressing module is fixedly connected to the upper mold base through a first-order upper pad; the structure of the first-order lower mold mainly includes a first-order floating lower mold sleeve, the first-order floating lower mold sleeve is fixed on the lower mold base, a first-order lower pressing module 803 is inlaid on the first-order floating lower template, the first-order lower pressing module is provided with a mold core cavity, the mold core cavity is provided with a first-order forming punch 804, and the first-order forming punch is fixedly connected to the lower mold base; the floating lower template is mainly composed of a lower template 805 and a nitrogen spring 806 for the mold; when the mold is closed, the floating lower template moves downward, and the first-order forming punch and the first-order forming die cooperate to form the seat body, such as Figure 5 As shown.
[0028] like Figure 6 As shown, the second-stage die 9 is used to punch off excess edge material and central holes of the upper-stage blank, as well as to press a truncated cone. The second-stage die includes an upper second-stage die and a lower second-stage die. The structure of the upper second-stage die mainly includes a second-stage parting die 901, a second-stage left-side trimming punch 902, a second-stage right-side trimming punch 903, a second-stage front-side trimming punch 904, and a second-stage rear-side trimming punch 905. The second-stage parting die is inlaid with a second-stage central hole punch 906 and a second-stage boss forming die 907. The second-stage parting die is fixed to the lower die base by a second-stage floating upper template 908. The second-stage left-side trimming punch, the second-stage right-side trimming punch, and the second-stage front-side trimming punch... The punch, the second-order rear side trimming punch, the second-order middle hole punch, and the second-order boss forming die are fixed to the lower die base; the structure of the second-order lower die mainly includes a second-order parting punch 908, a second-order middle hole die 909, a second-order frustum punch 910, a second-order left side trimming die 911, a second-order right side trimming die 912, a second-order front side trimming die 913, and a second-order rear side trimming die 914; when the die is closed, the second-order parting die and the second-order parting punch first cooperate to press the upper blank; the second-order upper die continues to move downward, and the corresponding punches and dies in the second-order die can trim, punch, and form the upper blank; such as Figure 7 The blank is shown after being stamped by the two-stage die.
[0029] like Figure 8 and 9As shown, the three-stage die 10 is used to trim and reverse the waist-shaped platform of the upper-stage blank and punch side holes; the three-stage die includes a three-stage upper die and a three-stage lower die; the structure of the three-stage upper die mainly includes a three-stage parting die 1001, which contains a three-stage upper left corner trimming punch 1002, a three-stage lower left corner trimming punch 1003, a three-stage upper right corner trimming punch 1004, a three-stage lower right corner trimming punch 1005, and a waist-shaped platform reversing punch 1006, which forms the waist-shaped platform on the back of the seat body; the three-stage parting die is connected to a three-stage floating upper template 1. 007 is fixedly connected to the upper mold base; the floating upper mold plate mainly consists of an upper mold plate and a nitrogen spring for the mold; the three-stage upper left corner trimming punch, the three-stage lower left corner trimming punch, the three-stage upper right corner trimming punch, the three-stage lower right corner trimming punch, and the waist-shaped platform reverse forming punch are fixedly connected to the upper mold base; the left side, right side and front side of the three-stage parting die are all provided with punching hole punches 1008, and the three sets of punching hole punches are driven by their respective thrust mechanisms; the structure of the thrust mechanism includes a slider 1009, the bottom surface of the slider is an inclined surface, and a guide groove 1010 is provided on the inclined surface, and the side of the slider... The slider is fixedly connected to the punching hole punch, and the top of the slider is fixedly connected to the upper die base via a guide rail 1011. The slider returns to its original position via a slider nitrogen spring 1012 fixed in the guide rail. A fixing block 1013 is provided on the lower die base corresponding to the slider. The top surface shape of the fixing block matches the shape of the slider's inclined surface. The inclined surface converts the downward pressure of the upper die into a horizontal punching force, which helps to simplify the overall structure of the die and optimize the layout, making full use of the limited space. The structure of the three-stage lower die mainly includes a three-stage parting punch 1014, in which a three-stage reverse forming die 10 is embedded. 15. Three-stage upper left corner trimming die 1016, three-stage lower left corner trimming die 1017, three-stage upper right corner trimming die 1018, three-stage lower right corner trimming die 1019, left side hole die 1020, right side hole die 1021, front side hole die 1022; During mold closing, the three-stage parting die and the three-stage parting punch first cooperate to press the upper stage blank; the upper stage mold continues to descend, and after the fixed block contacts the slider, the inclined surfaces of the two generate a punching force, thereby driving the punching hole punch; the corresponding punches and dies in the three-stage mold can trim, punch, and form the upper stage blank; such as Figure 10 The blank is shown after being stamped by the three-stage die.
[0030] like Figure 11As shown, the fourth-order mold 11 is used to flanging the edge of the upper-order blank; the fourth-order mold includes a fourth-order upper mold and a fourth-order lower mold; the structure of the fourth-order upper mold mainly includes a fourth-order upper flanging mold 1101 and a fourth-order parting die 1102, the fourth-order upper flanging mold is fixed to the upper mold base by a mold sleeve 1103, and the fourth-order parting die is fixed to the upper mold base by a nitrogen spring; the structure of the fourth-order lower mold mainly includes a fourth-order lower flanging mold 1104 and a fourth-order parting punch 1105, the fourth-order lower flanging mold and the fourth-order parting punch are fixed to the lower mold base by a fourth-order lower pad 1106; when the mold is closed, the fourth-order parting die and the fourth-order parting punch first cooperate to press the upper-order blank; the fourth-order upper mold continues to move downward, and the corresponding upper and lower flanging molds in the fourth-order mold can flanging the upper-order blank once; as Figure 12 The blank is shown after being stamped by the four-stage die.
[0031] like Figure 13 As shown, the fifth-order mold 12 is used to flanging the flanged part of the upper-order blank upwards; the structure of the fifth-order upper mold includes a fifth-order upper mold sleeve 1201, in which a fifth-order upper flanging mold 1202 and a fifth-order parting die core 1203 are embedded; the fifth-order upper mold sleeve, the fifth-order upper flanging mold, and the fifth-order parting die core are fixedly connected to the upper mold base through a fifth-order upper pad; the structure of the fifth-order lower mold mainly includes a fifth-order lower flanging mold 1204 and a fifth-order parting punch 1205; the fifth-order lower flanging mold is fixed to the lower mold base through a fifth-order lower mold sleeve 1206, and the fifth-order parting punch is fixed to the lower mold base through a nitrogen spring; when the mold is closed, the fifth-order parting die and the fifth-order parting punch first cooperate to press the upper-order blank; the fifth-order upper mold continues to descend, and the corresponding upper and lower flanging molds in the fifth-order mold can perform a second flanging on the upper-order blank; as Figure 14 The blank is shown after being stamped by the four-stage die.
[0032] The waist-shaped platform on the main body described in this specification is pressed in the forward direction in the first sequence and in the reverse direction in the third sequence, which can avoid the problem of cracking of the side wall of the waist-shaped platform; the flange on the main body adopts a two-stage forming process, which can avoid the problem of cracking at the bending point.
[0033] The multi-station stamping die also includes components such as a guide plate, inner guide sleeve, floating block, outer guide post, limit post, die spring and floating pin, which are conventional technologies and common knowledge in the field.
[0034] The multi-station stamping die is equipped with a three-dimensional feeding mechanism, which is an automated mechanism that uses a feeding robot to send raw materials from the material stacking platform to the die cavity, and then from the die cavity to the next process according to a set step distance.
Claims
1. A multi-station stamping die for an automobile seat pan, comprising an upper die shoe and a lower die shoe, characterized in that: A first-order mold, a second-order mold, a third-order mold, a fourth-order mold, and a fifth-order mold are sequentially arranged between the upper mold base and the lower mold base along the conveying direction. The first-order mold is used to form the main body blank of the seat basin and the waist-shaped platform on the main body. The second-order mold is used to punch off the excess edge material and the central hole of the upper blank and to press the round platform. The third-order mold is used to trim the upper blank, reverse the waist-shaped platform, and punch the side holes. The fourth-order mold is used to fold the edge of the upper blank. The fifth-order mold is used to fold the folded part of the upper blank upward.
2. The multi-station stamping die for the seat pan of an automobile seat according to claim 1, characterized in that: The sequential mold includes a sequential upper mold and a sequential lower mold; the structure of the sequential upper mold mainly includes a sequential upper pressing module, a sequential upper pressing module, and a sequential forming die embedded in the sequential upper pressing module; the structure of the sequential lower mold mainly includes a sequential floating lower mold sleeve, the sequential floating lower mold sleeve is fixed on the lower mold base, a sequential lower pressing module is embedded on the sequential floating lower mold plate, the sequential lower pressing module is provided with a mold core cavity, the mold core cavity is provided with a sequential forming punch, and the sequential forming punch is fixedly connected to the lower mold base.
3. The multi-station stamping die for a seat pan of a vehicle seat according to claim 1 or 2, characterized in that: The two-stage mold includes a two-stage upper mold and a two-stage lower mold. The structure of the two-stage upper mold mainly includes a two-stage parting die, a two-stage left-side cutting punch, a two-stage right-side cutting punch, a two-stage front-side cutting punch, a two-stage rear-side cutting punch, and a two-stage central hole punch and a two-stage boss forming die embedded in the two-stage parting die. The structure of the two-stage lower mold mainly includes a two-stage parting punch, and a two-stage central hole die, a two-stage frustum punch, a two-stage left-side cutting die, a two-stage right-side cutting die, a two-stage front-side cutting die, and a two-stage rear-side cutting die embedded on the two-stage parting punch.
4. The multi-station stamping die for the seat pan of an automobile seat according to claim 3, characterized in that: The three-stage die includes a three-stage upper die and a three-stage lower die. The structure of the three-stage upper die mainly includes a three-stage parting die, which contains a three-stage upper left corner trimming punch, a three-stage lower left corner trimming punch, a three-stage upper right corner trimming punch, a three-stage lower right corner trimming punch, and a waist-shaped platform reverse forming punch. The left side, right side and front side of the three-stage parting die are all provided with punching hole punches, and the three sets of punching hole punches are driven by their respective thrust mechanisms. The structure of the three-stage lower die mainly includes a three-stage parting punch, which contains a three-stage reverse forming die, a three-stage upper left corner trimming die, a three-stage lower left corner trimming die, a three-stage upper right corner trimming die, a three-stage lower right corner trimming die, a left side hole die, a right side hole die, and a front side hole die.
5. A multi-station stamping die for an automobile seat basin according to claim 1, 2, or 4, characterized in that: The four-phase mold includes a four-phase upper mold and a four-phase lower mold; the structure of the four-phase upper mold mainly includes a four-phase upper flanging mold and a four-phase parting die; the structure of the four-phase lower mold mainly includes a four-phase lower flanging mold and a four-phase parting punch.
6. The multi-station stamping die for a seat pan of an automobile seat according to claim 5, wherein: The five-stage mold includes a five-stage upper mold and a five-stage lower mold; the structure of the five-stage upper mold includes a five-stage upper mold sleeve, in which a five-stage upper flanging mold and a five-stage parting die core are inlaid; the structure of the five-stage lower mold mainly includes a five-stage lower flanging mold and a five-stage parting punch.