Stretching forming device for automobile heat shield part

Abstract

The utility model discloses a stretch forming device of an automobile heat shield part, which comprises an upper die mechanism, a lower die mechanism and a processing table mechanism arranged between the upper die mechanism and the lower die mechanism, the processing table mechanism comprises a processing base table, a left heating plate, a right heating plate, a left driving mechanism and a right driving mechanism, an upper groove is arranged on the upper surface of the processing base table, and a penetrating opening is arranged at the bottom of the upper groove. The left and right heating plates are respectively driven by the left and right driving mechanisms to be slidably mounted on the left and right end tables for supporting and heating a workpiece in a matched manner; the upper die mechanism comprises an upper die base driven by a pressing air cylinder to ascend and descend, the lower die mechanism comprises a lower die base driven by a jacking air cylinder to ascend and descend, and the upper die base can be matched with the left heating plate and the right heating plate to press and fix a workpiece and matched with the lower die base to conduct stretching forming on the workpiece. According to the utility model, the workpiece can be heated, the extension coefficient of the stainless steel workpiece is increased, the stretching efficiency is high, the surface of a finished product does not crack, and the time and the processing cost are greatly reduced while the stretching quality is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile part processing, in particular to a stretching and forming device for automobile heat insulation cover parts. Background Art

[0002] Most automobile heat insulation cover parts are made of stainless steel materials. When processing, a mold is required to stretch the stainless steel workpiece. However, the existing stretching equipment is prone to cause cracking on the surface of the parts, affecting the production quality. The stretching effect is unstable, which also affects the stretching efficiency to a certain extent, wasting time cost and processing cost. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a stretching and forming device for automobile heat insulation cover parts, aiming to solve the technical problems existing in the prior art that the existing stretching equipment is prone to cause cracking on the surface of the parts, affecting the production quality, the stretching effect is unstable, the stretching efficiency is low and the cost is high.

[0004] The technical solution of the utility model is: a stretching and forming device for automobile heat insulation cover parts, including an upper mold mechanism, a lower mold mechanism, and a processing table mechanism arranged between the upper and lower mold mechanisms. The processing table mechanism includes a processing base, a left heating plate, a right heating plate, a left driving mechanism, and a right driving mechanism. An upper groove is formed on the upper surface of the processing base, and a through hole penetrating downward is formed at the bottom of the upper groove. A left end platform and a right end platform are formed inside the processing base. The left heating plate and the right heating plate are respectively driven by the left driving mechanism and the right driving mechanism to slide and install on the left end platform and the right end platform for cooperatively supporting and heating the workpiece. The upper mold mechanism includes an upper mold base driven to lift by a pressing cylinder, and the lower mold mechanism includes a lower mold base driven to lift by a jacking cylinder. The upper mold base can cooperate with the left and right heating plates to press and fix the workpiece and cooperate with the lower mold base to stretch and form the workpiece.

[0005] Further, in the utility model, the left driving mechanism includes a left slider driven by a left telescopic cylinder. A left sliding groove is formed on the left end platform. The left slider is slidably installed in the left sliding groove and connected to the bottom of the left heating plate. The right driving mechanism includes a right slider driven by a right telescopic cylinder. A right sliding groove is formed on the right end platform. The right slider is slidably installed in the right sliding groove and connected to the bottom of the right heating plate.

[0006] Further, in the utility model, a plurality of left limiting bars are arranged on the left inner wall of the upper groove above the left end platform, and a plurality of right limiting bars are arranged on the right inner wall of the upper groove above the right end platform. The left and right limiting bars are used for cooperatively positioning the workpiece.

[0007] Further, in the present utility model, the left heating plate includes a left heating substrate and a left enclosure provided on the left heating substrate. The left limiting strip passes through the left enclosure and is slidably connected to the left enclosure; the right heating plate includes a right heating substrate and a right enclosure provided on the right heating substrate. The right limiting strip passes through the right enclosure and is slidably connected to the right enclosure.

[0008] Further, in the present utility model, the upper die base includes an upper seat body and a pressing plate provided at the bottom of the upper seat body. A female die is provided at the bottom of the upper die base, and the top end of the upper seat body is connected to the output shaft of the pressing cylinder.

[0009] Further, in the present utility model, the lower die base includes a lower seat body and a male die provided at the top of the lower seat body. The bottom end of the lower seat body is connected to the output shaft of the lifting cylinder.

[0010] Compared with the prior art, the present utility model has the following advantages: The stretching and forming device of the present utility model can heat-treat the workpiece through the processing table mechanism, increase the extension coefficient of the stainless steel workpiece, position the workpiece while supporting it, and the heated workpiece is stretch-formed at one time under the cooperation of the upper and lower die mechanisms. The stretching efficiency is high, the surface of the finished product does not crack, and while ensuring the stretching quality, the time cost and processing cost are greatly reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is a perspective view of the present utility model;

[0012] Figure 2 is a schematic structural diagram of the processing table mechanism in the present utility model (where the left and right heating plates are not drawn);

[0013] Figure 3 is a front view of the processing table mechanism in the present utility model (where the left and right heating plates are not drawn);

[0014] Figure 4 is a schematic structural diagram of the upper die base in the present utility model;

[0015] Figure 5 is a schematic structural diagram of the lower die base in the present utility model;

[0016] Figure 6 is a schematic diagram of the initial state of the processing table mechanism in the present utility model;

[0017] Figure 7 is a schematic diagram of the state when the processing table mechanism in the present utility model heats the workpiece;

[0018] Figure 8 is a schematic diagram of the state when the processing table mechanism in the present utility model is ready to cooperate with stretching the workpiece;

[0019] Figure 9 This is a schematic diagram of the working state when the workpiece is stretched by the present utility model;

[0020] Figure 10 This is a schematic diagram of the cooperation between the upper die base and the lower die base described in the present utility model.

[0021] Among them:

[0022] 1. Upper die mechanism; 101. Pressing cylinder; 102. Upper die base; 102a. Upper seat body; 102b. Pressure plate; 102c. Female die;

[0023] 2. Lower die mechanism; 201. Lifting cylinder; 202. Lower die base; 202a. Lower seat body; 202b. Male die;

[0024] 3. Processing table mechanism; 301. Processing base; 301a. Upper groove; 301b. Through hole; 301c. Left end platform; 301d. Right end platform; 301e. Left sliding groove; 301f. Right sliding groove; 302. Left heating plate; 302a. Left heating substrate; 302b. Left enclosure; 303. Right heating plate; 303a. Right heating substrate; 303b. Right enclosure; 304. Left driving mechanism; 304a. Left telescopic cylinder; 304b. Left slider; 305. Right driving mechanism; 305a. Right telescopic cylinder; 305b. Right slider;

[0025] 4. Left limit bar;

[0026] 5. Right limit bar;

[0027] A. Workpiece. Specific embodiments

[0028] The following specifically describes the specific embodiments of the present utility model with reference to the accompanying drawings.

[0029] Example:

[0030] Combined with the accompanying drawings, the specific embodiments of a stretching and forming device for an automotive heat shield part of the present utility model are shown. Refer to Figure 1 , which mainly includes an upper die mechanism 1, a lower die mechanism 2, and a processing table mechanism 3 provided between the upper die mechanism 1 and the lower die mechanism 2. The processing table mechanism 3 is used to position and heat the workpiece A, and the upper die mechanism 1 and the lower die mechanism 2 are used to cooperate to stretch and form the workpiece A.

[0031] Refer to Figure 1 , the processing table mechanism 3 includes a processing base 301, a left heating plate 302, a right heating plate 303, a left driving mechanism 304, and a right driving mechanism 305.

[0032] For the specific structure of the processing base 301, refer toFigure 2 , Figure 3 , on the upper surface of the processing base 301, there is an upper groove 301a, and at the bottom of the upper groove 301a, there is a downward penetrating opening 301b. Inside the processing base 301, a left end platform 301c and a right end platform 301d are formed. Among them, in the middle of the upper surface of the left end platform 301c, there is a horizontally extending left sliding groove 301e. The left driving mechanism 304 includes a left telescopic cylinder 304a and a left slider 304b. The left telescopic cylinder 304a is installed on the left side of the processing base 301, and the output shaft of the left telescopic cylinder 304a penetrates into the left end platform 301c and is connected to the bottom end of the left slider 304b. The left slider 304b is slidably installed in the left sliding groove 301e, and the top end of the left slider 304b is flush with the top surface of the left end platform 301c. On the left inner wall of the upper groove 301a above the left end platform 301c, there are also multiple left limiting bars 4 arranged at intervals. Similarly, in the middle of the upper surface of the right end platform 301d, there is a horizontally extending right sliding groove 301f. The right driving mechanism 305 includes a right telescopic cylinder 305a and a right slider 305b. The right telescopic cylinder 305a is installed on the right side of the processing base 301, and the output shaft of the right telescopic cylinder 305a penetrates into the right end platform 301d and is connected to the bottom end of the right slider 305b. The right slider 305b is slidably installed in the right sliding groove 301f, and the top end of the right slider 305b is flush with the top surface of the right end platform 301d. On the right inner wall of the upper groove 301a above the right end platform 301d, there are also multiple right limiting bars 5 arranged at intervals. The left limiting bars 4 and the right limiting bars 5 are used to cooperate in positioning the workpiece A.

[0033] For the specific structures of the left heating plate 302 and the right heating plate 303, refer to Figure 1 , the left heating plate 302 includes a left heating substrate 302a and a left enclosure 302b. The left enclosure 302b is in a "C" shape and is arranged along the edge of the upper surface of the left part of the left heating substrate 302a. The left enclosure 302b is fixedly connected to the left heating substrate 302a. The bottom end of the left heating substrate 302a is connected to the left slider 304b. The left heating substrate 302a is slidably arranged on the left end platform 301c. The left limiting bars 4 above the left end platform 301c pass through the left enclosure 302b and are slidably connected to the left enclosure 302b. Similarly, the right heating plate 303 includes a right heating substrate 303a and a right enclosure 303b. The right enclosure 303b is in an inverted "C" shape and is arranged along the edge of the upper surface of the right part of the right heating substrate 303a. The right enclosure 303b is fixedly connected to the right heating substrate 303a. The bottom end of the right heating substrate 303a is connected to the right slider 305b. The right heating substrate 303a is slidably arranged on the right end platform 301d. The right limiting bars 5 above the right end platform 301d pass through the right enclosure 303b and are slidably connected to the right enclosure 303b.

[0034] For the structure of the upper die mechanism 1, refer to Figure 1 , Figure 4, the upper die mechanism 1 includes an upper die base 102 driven to lift by a pressing cylinder 101. The upper die base 102 includes an upper seat body 102a and a pressing plate 102b provided at the bottom of the upper seat body 102a. A female die 102c is provided at the bottom of the upper die base 102, and the female die 102c is formed inside the pressing plate 102b and the upper seat body 102a. The top end of the upper seat body 102a is connected to the output shaft of the pressing cylinder 101.

[0035] The structure of the lower die mechanism 2 refers to Figure 1 , Figure 5 , the lower die mechanism 2 includes a lower die base 202 driven to lift by a jacking cylinder 201. The lower die base 202 includes a lower seat body 202a and a male die 202b provided at the top of the lower seat body 202a. The bottom end of the lower seat body 202a is connected to the output shaft of the jacking cylinder 201.

[0036] When the stretching and forming device of the present utility model works specifically, the initial state of the processing table mechanism 3 is as shown in Figure 6 . The left heating substrate 302a of the left heating plate 302 and the right heating substrate 303a of the right heating plate 303 are spliced in the middle of the processing base 301. The right end face of the left limit stop 4 is flush with the inner wall of the left enclosure 302b, and the left end face of the right limit stop 5 is flush with the inner wall of the right enclosure 303b. When processing a workpiece, refer to Figure 7 , first place the workpiece A on the spliced left heating substrate 302a and right heating substrate 303a. The edge of the workpiece A is in contact with the left enclosure 302b and the right enclosure 303b to achieve positioning. The workpiece A can be heated to increase the elongation coefficient of the stainless steel workpiece, facilitating stretching. Then adjust the processing table mechanism 3 to the state ready to cooperate with the stretching of the workpiece. Refer to Figure 8 , drive the left heating plate 302 and the right heating plate 303 to slide to both sides respectively through the left driving mechanism 304 and the right driving mechanism 305. The workpiece A is still supported on the two heating plates and is positioned and fixed under the cooperation of the left limit stop 4 and the right limit stop 5. The right end face of the left limit stop 4 is in contact with the left edge of the workpiece A, and the left end face of the right limit stop 5 is in contact with the right edge of the workpiece A. Then stretch and form the workpiece A. Refer to Figure 9 , Figure 10 , the pressing cylinder 101 first drives the upper die base 102 to descend until the pressing plate 102b at the bottom of the upper die base 102 is tightly pressed on the workpiece A. Then the jacking cylinder 201 drives the lower die base 202 to rise. The lower die base 202 extends from the through hole 301b at the bottom of the processing base 301 to the upper groove 301a, and the male die 202b and the female die 102c at the bottom of the upper die base 102 are used to cooperate to perform stretching and forming on the workpiece A. The stretching efficiency is high, the surface of the finished product does not crack, and while ensuring the stretching quality, the time cost and processing cost are greatly reduced.

[0037] Certainly, the above embodiments are only for illustrating the technical concept and features of the present utility model. The purpose is to enable those who are familiar with this technology to understand the content of the present utility model and implement it accordingly, and it should not be used to limit the protection scope of the present utility model. All modifications made according to the spirit and essence of the main technical solution of the present utility model should be covered within the protection scope of the present utility model.

Claims

1. A stretching and forming device for an automobile heat insulation cover part, characterized in that: It includes an upper die mechanism (1), a lower die mechanism (2), and a processing table mechanism (3) provided between the upper and lower die mechanisms. The processing table mechanism (3) includes a processing base (301), a left heating plate (302), a right heating plate (303), a left driving mechanism (304), and a right driving mechanism (305). An upper groove (301a) is formed on the upper surface of the processing base (301), and a through hole (301b) penetrating downward is formed at the bottom of the upper groove (301a). A left end platform (301c) and a right end platform (301d) are formed inside the processing base (301). The left heating plate (302) and the right heating plate (303) are respectively driven by the left driving mechanism (304) and the right driving mechanism (305) to be slidably installed on the left end platform (301c) and the right end platform (301d) for cooperatively supporting and heating a workpiece (A); the upper die mechanism (1) includes an upper die base (102) driven to move up and down by a pressing cylinder (101), and the lower die mechanism (2) includes a lower die base (202) driven to move up and down by a jacking cylinder (201). The upper die base (102) can cooperate with the left and right heating plates to clamp and fix the workpiece (A) and cooperate with the lower die base (202) to perform stretch forming on the workpiece (A).

2. The stretching and forming device for an automobile heat insulation cover part according to claim 1, characterized in that: The left driving mechanism (304) includes a left slider (304b) driven by a left telescopic cylinder (304a). A left sliding groove (301e) is formed on the left end platform (301c). The left slider (304b) is slidably installed in the left sliding groove (301e) and connected to the bottom of the left heating plate (302); the right driving mechanism (305) includes a right slider (305b) driven by a right telescopic cylinder (305a). A right sliding groove (301f) is formed on the right end platform (301d). The right slider (305b) is slidably installed in the right sliding groove (301f) and connected to the bottom of the right heating plate (303).

3. The stretching and forming device for an automobile heat insulation cover part according to claim 2, characterized in that: A plurality of left limiting bars (4) are provided on the left inner wall of the upper groove (301a) above the left end platform (301c), and a plurality of right limiting bars (5) are provided on the right inner wall of the upper groove (301a) above the right end platform (301d). The left and right limiting bars are used to cooperate in positioning the workpiece (A).

4. The stretching and forming device for an automobile heat insulation cover part according to claim 3, characterized in that: The left heating plate (302) includes a left heating substrate (302a) and a left enclosure (302b) provided on the left heating substrate (302a). The left limiting bar (4) passes through the left enclosure (302b) and is slidably connected to the left enclosure (302b); the right heating plate (303) includes a right heating substrate (303a) and a right enclosure (303b) provided on the right heating substrate (303a). The right limiting bar (5) passes through the right enclosure (303b) and is slidably connected to the right enclosure (303b).

5. The stretching and forming device for an automotive heat shield part according to claim 1, characterized in that: The upper die holder (102) includes an upper seat body (102a), a pressing plate (102b) provided at the bottom of the upper seat body (102a), a female die (102c) is provided at the bottom of the upper die holder (102), and the top end of the upper seat body (102a) is connected to the output shaft of the pressing cylinder (101).

6. The stretching and forming device for an automobile heat insulation cover part according to claim 1, wherein: The lower die holder (202) includes a lower seat body (202a), a male die (202b) provided at the top of the lower seat body (202a), and the bottom end of the lower seat body (202a) is connected to the output shaft of the lifting cylinder (201).

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