Automobile covering part shaping die

Abstract

The utility model discloses an automobile covering part shaping die which comprises a stable base, a lower die is arranged on the top face of the stable base, a plurality of guide columns are evenly arranged on the top face of the stable base, a top seat is arranged at the top ends of the guide columns, a pressing air cylinder is arranged in the center of the top face of the top seat, and the pressing air cylinder is connected with a pressing plate. An upper die is arranged on the bottom face of the lower pressing plate, lower pressing sleeves connected with the guide columns in a sliding mode are arranged on the periphery of the lower pressing plate, buffer sleeves located at the bottom ends of the lower pressing sleeves are arranged on the guide columns in a sliding mode, and compression springs located on the peripheries of the guide columns are connected between the lower pressing sleeves and the buffer sleeves. And a blank holder close to the top surface of the lower die is connected between the buffer sleeves. Compared with the prior art, the stamping and stretching die has the advantages that the upper die and the lower die can be guided and positioned through the guide columns, and the stamping or stretching precision is improved; blank pressing of the covering part can be achieved through the blank holder, the stamping stability is improved, and the stretching effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile covering parts, in particular to a shaping die for automobile covering parts. Background Art

[0002] Automobile covering parts refer to the metal sheet parts on the outside of the car, such as the car body, doors, hood, etc. During the automobile manufacturing process, these covering parts need to be shaped to meet the design requirements.

[0003] At present, the commonly used method for shaping automobile cover parts is to change the shape and size of the cover parts by stamping or stretching through a mold. However, the existing automobile cover shaping mold directly places the cover part on the lower mold when in use, and the shaping effect is achieved by the matching downward pressure of the upper mold. This method will cause the cover part to be unstable during shaping, thereby affecting the shaping effect. Therefore, a stable automobile cover shaping mold is needed. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the poor stability of the cover during the stamping process affects the shaping effect, and a stable automobile cover shaping die is provided.

[0005] To solve the above technical problems, the technical solution provided by the utility model is: a plastic mold for automobile cover parts, comprising a stable base, a lower mold is arranged on the top surface of the stable base, a plurality of guide pillars located around the lower mold are evenly arranged on the top surface of the stable base, a top seat is commonly connected to the top ends of the guide pillars, a downward pressure cylinder is arranged in the center of the top surface of the top seat, a downward pressure rod is connected to the output end of the bottom end of the downward pressure cylinder, a downward pressure plate is connected to the other end of the downward pressure rod, an upper mold matching the lower mold is arranged on the bottom surface of the lower pressure plate, a downward pressure sleeve matching and slidably connected to the guide pillar is fixedly connected to the outer wall around the lower pressure plate, a buffer sleeve located at the bottom end of the downward pressure sleeve is slidably provided on the guide pillars, a compression spring located around the guide pillars is connected between the downward pressure sleeve and the buffer sleeve, a pressure ring close to the top surface of the lower mold is connected between the buffer sleeves, and a group of supporting mechanisms located on both sides of the lower mold are symmetrically provided on the top surface of the stable base.

[0006] As an improvement, the lower mold is provided with a first mounting groove, in which a die is matched, and the left and right side walls of the lower mold are penetrated by a plurality of first positioning bolts threadedly connected to the die, so as to facilitate replacement of the die as needed to match the shape to be stamped.

[0007] As an improvement, the upper mold is provided with a second mounting groove, in which a punch is provided, and the left and right side walls of the upper mold are penetrated by a plurality of second positioning bolts threadedly connected to the punch. The punch is matched with the groove size, so that the punch can be replaced according to needs to match the shape that the die needs to be stamped.

[0008] As an improvement, the support mechanism includes a connecting plate located on the top surface of the stable base, an adjustment groove is connected between the connecting plate and the lower mold, a sliding arc plate is slidably provided in the adjustment groove, the sliding arc plate and the top surface of the lower mold body are in the same horizontal plane, and the cover can be supported and limited.

[0009] As an improvement, a group of limiting slide bars located on both sides of the adjustment groove are connected between the connecting plate and the outer wall of the lower mold. The limiting slide bars are slidably provided with sliding blocks fixedly connected to the bottom surface of the sliding arc plate, thereby improving the supporting stability of the sliding arc plate.

[0010] As an improvement, the sliding arc plate is made of anti-slip material, which can improve the stability of the support.

[0011] Compared with the prior art, the utility model has the advantages that: by setting the guide column, the upper die and the lower die can be guided and positioned, thereby improving the precision of stamping or stretching;

[0012] By setting a blank holding ring with a certain weight, the blank holding of the cover can be achieved, the stamping stability can be improved, and the stretching effect can be enhanced;

[0013] By providing an adjustable supporting mechanism, the cover can be supported and the stability of stamping or stretching can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the first stereoscopic view of a shaping die for an automobile cover of the utility model.

[0015] Figure 2 This is the second stereoscopic view of the automobile cover shaping mold of the utility model.

[0016] Figure 3 It is a third stereoscopic view of a shaping die for an automobile cover according to the utility model.

[0017] Figure 4 The utility model is a cross-sectional stereoscopic diagram of a shaping die for an automobile cover.

[0018] As shown in the figure: 1. Stable base; 2. Lower mold; 3. Guide column; 4. Top seat; 5. Down-pressure cylinder; 6. Down-pressure rod; 7. Down-pressure plate; 8. Upper mold; 9. Down-pressure sleeve; 10. Buffer sleeve; 11. Compression spring; 12. Pressure ring; 13. Support mechanism; 14. First mounting groove; 15. Concave mold; 16. First positioning bolt; 17. Second mounting groove; 18. Punch; 19. Second positioning bolt; 20. Connecting plate; 21. Adjusting groove; 22. Sliding arc plate; 23. Limiting slide rod; 24. Slider. DETAILED DESCRIPTION

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0020] Embodiment 1

[0021] Combined with Figure 1-2 As shown in Figure 4, a shaping mold for automobile covering parts comprises a stable base 1, a lower mold 2 is arranged on the top surface of the stable base 1, a plurality of guide pillars 3 are evenly arranged on the top surface of the stable base 1 and are located around the lower mold 2, a top seat 4 is connected to the top of the guide pillars 3, a downward pressure cylinder 5 is arranged in the center of the top surface of the top seat 4, a downward pressure rod 6 is connected to the output end of the bottom end of the downward pressure cylinder 5, a downward pressure plate 7 is connected to the other end of the downward pressure rod 6, an upper mold 8 matching the lower mold 2 is arranged on the bottom surface of the downward pressure plate 7, a first mounting groove 14 is arranged on the lower mold 2, a concave mold 15 is arranged in the first mounting groove 14, a plurality of first positioning bolts 16 threadedly connected to the concave mold 15 are penetrated on the left and right side walls of the lower mold 2, a second mounting groove 17 is arranged on the upper mold 8, a punch 18 is arranged in the second mounting groove 17, a plurality of second positioning bolts 19 threadedly connected to the punch 18 are penetrated on the left and right side walls of the upper mold 8, and the punch 18 matches the size of the groove;

[0022] Through the above structure, the required punch 18 and die 15 are selected as needed, the die 15 is placed in the first mounting groove 14, and the die 15 is fixed with the first positioning bolt 16, and the punch 18 matching the die 15 is placed in the second mounting groove 17, and the punch 18 is fixed with the second positioning bolt 19 to match the shape to be stamped;

[0023] A group of supporting mechanisms 13 located on both sides of the lower mold 2 are symmetrically arranged on the top surface of the stable base 1, and the supporting mechanism 13 includes a connecting plate 20 located on the top surface of the stable base 1, and an adjusting groove 21 is connected between the connecting plate 20 and the lower mold 2, and a sliding arc plate 22 is slidably arranged in the adjusting groove 21, and the sliding arc plate 22 is in the same horizontal plane as the top surface of the lower mold 2 body, and a group of limiting sliding rods 23 located on both sides of the adjusting groove 21 are connected between the connecting plate 20 and the outer wall of the lower mold 2, and a sliding block 24 fixedly connected to the bottom surface of the sliding arc plate 22 is slidably arranged on the limiting sliding rod 23, and the sliding arc plate 22 is made of anti-slip material;

[0024] Through the above structure, the cover to be stamped is placed on the lower mold 2, and the supporting mechanism 13 is located on both sides of the lower mold 2 to support the cover. According to the size of the cover, the sliding arc plate 22 is pushed to slide in the adjustment groove 21, and the slider 24 cooperates with the limiting slide bar 23 to support and limit the movement of the sliding arc plate 22 until the sliding arc plate 22 is close to the bottom surface of the cover to support and limit it.

[0025] Embodiment 2

[0026] Based on the first embodiment, Figure 3 As shown, the outer wall around the lower pressing plate 7 is fixedly connected with a lower pressing sleeve 9 which is slidably connected with the guide pillar 3, and the guide pillar 3 is slidably provided with a buffer sleeve 10 located at the bottom of the lower pressing sleeve 9, and a compression spring 11 located around the guide pillar 3 is connected between the lower pressing sleeve 9 and the buffer sleeve 10, and a pressure ring 12 close to the top surface of the lower mold 2 is connected between the buffer sleeves 10;

[0027] Through the above structure, while the downward pressure cylinder 5 pushes the upper mold 8 downward, the pressure ring 12 moves downward with the cooperation of the buffer sleeve 10 until the pressure ring 12 is close to the covering part on the top surface of the lower mold 2, and the downward pressure cylinder 5 pushes the upper mold 8 to continue to press down, so that the compression spring 11 contracts until the upper mold 8 is close to the lower mold 2, and the punch 18 and the die 15 cooperate to stamp the covering part. During the stamping process, the pressure ring 12 is close to the covering part under the action of gravity, limits the covering part, improves stability, and ensures the stamping and shaping effect.

[0028] When the utility model is implemented, firstly, the required punch 18 and die 15 are selected according to the needs, the die 15 is placed in the first mounting groove 14, and the die 15 is fixed with the first positioning bolt 16, and the punch 18 matching the die 15 is placed in the second mounting groove 17, and the punch 18 is fixed with the second positioning bolt 19 to match the shape to be stamped;

[0029] Subsequently, the covering part that needs to be stamped is placed on the lower mold 2, and the sliding arc plate 22 is pushed to slide in the adjusting groove 21 according to the size of the covering part. The slider 24 and the limiting slide rod 23 cooperate to support and limit the movement of the sliding arc plate 22. The sliding arc plate 22 is close to the bottom surface of the covering part to support and limit it, and the stamping and shaping work can be carried out. While the downward pressure cylinder 5 pushes the upper mold 8 downward, the pressure ring 12 moves downward with the cooperation of the buffer sleeve 10 until the pressure ring 12 is close to the covering part on the top surface of the lower mold 2. The downward pressure cylinder 5 pushes the upper mold 8 to continue to press downward, so that the compression spring 11 contracts until the upper mold 8 is close to the lower mold 2. During the stamping process of the punch 18 and the die 15, the pressure ring 12 is close to the covering part under the action of gravity to limit the covering part.

[0030] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A shaping die for automobile covering parts, comprising a stable base (1), a lower die (2) being arranged on the top surface of the stable base (1), a plurality of guide pillars (3) being evenly arranged on the top surface of the stable base (1) and being arranged around the lower die (2), the top ends of the guide pillars (3) being commonly connected to a top seat (4), a pressing cylinder (5) being arranged at the center of the top surface of the top seat (4), a pressing rod (6) being connected to the bottom output end of the pressing cylinder (5), a pressing plate (7) being connected to the other end of the pressing rod (6), an upper die (8) matching the lower die (2) being arranged on the bottom surface of the pressing plate (7), and the characteristics are as follows: The outer wall around the lower pressure plate (7) is fixedly connected with a lower pressure sleeve (9) which is slidably connected to the guide column (3); the guide column (3) is slidably provided with a buffer sleeve (10) located at the bottom of the lower pressure sleeve (9); a compression spring (11) located around the guide column (3) is connected between the lower pressure sleeve (9) and the buffer sleeve (10); a pressure ring (12) close to the top surface of the lower mold (2) is connected between the buffer sleeves (10); and a group of supporting mechanisms (13) located on both sides of the lower mold (2) are symmetrically provided on the top surface of the stable base (1).

2. The automobile panel shaping mold according to claim 1, characterized in that: The lower mold (2) is provided with a first installation groove (14), a concave mold (15) is matched in the first installation groove (14), and a plurality of first positioning bolts (16) threadedly connected to the concave mold (15) are penetrated through the left and right side walls of the lower mold (2).

3. The automobile panel shaping mold according to claim 2, characterized in that: The upper mold (8) is provided with a second mounting groove (17), a punch (18) is matched in the second mounting groove (17), and a plurality of second positioning bolts (19) threadedly connected to the punch (18) are penetrated through the left and right side walls of the upper mold (8), and the punch (18) is matched with the size of the groove.

4. The automobile panel shaping mold according to claim 1, characterized in that: The supporting mechanism (13) comprises a connecting plate (20) located on the top surface of the stable base (1), an adjusting groove (21) is connected between the connecting plate (20) and the lower mold (2), a sliding arc plate (22) is slidably provided in the adjusting groove (21), and the sliding arc plate (22) and the top surface of the lower mold (2) body are in the same horizontal plane.

5. The automobile panel shaping mold according to claim 4, characterized in that: A group of limiting sliding rods (23) located on both sides of the adjustment groove (21) are connected between the connecting plate (20) and the outer wall of the lower mold (2), and a sliding block (24) fixedly connected to the bottom surface of the sliding arc plate (22) is slidably provided on the limiting sliding rod (23).

6. The automobile panel shaping mold according to claim 4, characterized in that: The sliding arc plate (22) is made of anti-slip material.

Images