Continuous punch forming structure capable of accurately controlling tolerance

Abstract

The utility model relates to a continuous punch forming structure capable of accurately controlling tolerance. The continuous punch forming structure comprises a set pre-sunken forming part, a primary sunken forming part, a secondary sunken forming part, an accurate sunken forming part and a product main body opening final shaping part which are correspondingly arranged and matched for use, pre-sinking forming of a pre-sinking forming part, primary large-tolerance pre-forming of a primary sinking forming part, secondary small-tolerance pre-forming of a secondary sinking forming part and third-time precise tolerance forming of a precise sinking forming part are sequentially conducted, and the high-precision tolerance control time type high-precision forming structure is formed; and after three times of precise tolerance forming of the precise concave forming part, final opening forming of the product main body opening final shaping part is carried out, and a final main body precise forming structure is formed.

Description

Technical Field

[0001] The utility model relates to a precision manufacturing technology and equipment for use thereof, and specifically to a continuous stamping forming structure with precisely controlled tolerances. Background Art

[0002] See Figure 1 Product 100 includes a product body 101 in the shape of a concave trough, and the bottom of the product body 101 has a triangular upper boss 102 and a square upper boss 103. Since the product 100 is used as a support for the assembly of precision instruments, the opening accuracy of the product body 101, the protrusions and shape accuracy of the triangular upper boss 102 and the square upper boss 103 are required to be high.

[0003] The current forming method is to perform a single stamping process on the plate-like material. In this manufacturing method, the side walls of the product body 101 are prone to rebound deformation, and the forming accuracy of the triangular upper boss 102 and the square upper boss 103 is insufficient, which affects the qualified rate of the product 100.

[0004] Therefore, it is necessary to provide a continuous stamping forming structure with precise tolerance control to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a continuous stamping forming structure with precisely controlled tolerances.

[0006] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0007] A continuous stamping forming structure with precise tolerance control, comprising a correspondingly arranged and coordinated pre-depression forming portion, a primary depression forming portion, a secondary depression forming portion, a precise depression forming portion, and a final shaping portion for the opening of the product body;

[0008] The pre-depression molding of the pre-depression molding part, the primary large tolerance pre-molding of the primary depression molding part, the secondary small tolerance pre-molding of the secondary depression molding part, and the tertiary precision tolerance molding of the precision depression molding part are sequentially performed to form a high-precision molding structure with high-precision tolerance control;

[0009] After three times of precise tolerance molding of the precise concave molding part, the final opening molding of the final shaping part of the product main body is carried out to form the final body precise molding structure;

[0010] The primary molding calibration portion, the secondary molding calibration portion, and the precise recessed molding calibration portion are combined to form a continuous main body opening molding calibration structure.

[0011] Furthermore, the pre-depressed receiving part includes a pre-depressed lower receiving mold, and the pre-depressed lower receiving mold is correspondingly provided with a pre-depressed forming pressure head. The specifications of the pre-depressed forming groove of the pre-depressed lower receiving mold are 10%-15% smaller than the appearance of the product main body, and the pressure head specifications of the pre-depressed forming pressure head are 88%-92% of the specifications of the depressed part of the product main body.

[0012] Furthermore, the one-time recessed forming part includes a one-time recessed lower receiving mold, and the one-time recessed lower receiving mold is correspondingly provided with a one-time recessed forming pressure head. The specifications of the one-time recessed forming groove of the one-time recessed lower receiving mold are consistent with the appearance of the product main body, and the bottom of the one-time recessed forming groove can be raised and lowered to provide a one-time precision forming embedded core column, and the one-time precision forming embedded core column is provided with a one-time precision convex mold. The forming mold specifications of the one-time precision convex mold are 85%-90% of the specifications of the triangular upper boss and the square upper boss; the pressure head specifications of the one-time recessed forming pressure head are consistent with the recessed part of the product main body.

[0013] Furthermore, the secondary recessed forming part includes a secondary recessed lower receiving mold, and the secondary recessed lower receiving mold is correspondingly provided with a secondary recessed forming pressure head. The specifications of the secondary recessed forming groove of the secondary recessed lower receiving mold are consistent with the appearance of the product main body, and the bottom of the secondary recessed forming groove can be raised and lowered to provide a secondary precision forming embedded core column, and the secondary precision forming embedded core column is provided with a secondary precision convex mold. The forming mold specifications of the secondary precision convex mold are 94%-98% of the specifications of the triangular upper boss and the square upper boss; the pressure head specifications of the secondary recessed forming pressure head are consistent with the recessed part of the product main body.

[0014] Furthermore, the precise recessed forming part includes a precise recessed lower receiving mold, and the precise recessed lower receiving mold is correspondingly provided with a precise recessed forming pressure head. The specifications of the precise recessed forming groove of the precise recessed lower receiving mold are consistent with the appearance of the product main body, and the bottom of the precise recessed forming groove can be raised and lowered to provide a precise precision forming embedded core column, and the precise precision forming embedded core column is provided with a precise precision convex mold. The molding mold specifications of the precise precision convex mold are consistent with the specifications of the triangular upper boss and the square upper boss; the pressure head specifications of the precise recessed forming pressure head are consistent with the recessed part of the product main body.

[0015] Furthermore, a final shaping portion for the product main body opening is provided, which includes a final shaping receiving mold for the main body opening. The final shaping receiving mold for the main body opening is correspondingly provided with a final shaping pressure head for the main body opening. The specifications of the final shaping forming groove of the main body opening of the final shaping receiving mold are consistent with the appearance of the product main body, and the specifications of the pressure head of the final shaping pressure head of the main body opening are consistent with the specifications of the recessed portion of the product main body.

[0016] Furthermore, when the primary concave forming pressure head of the primary concave forming portion is pressed down, it serves as a primary forming calibration portion of the opening of the product body.

[0017] Furthermore, when the secondary concave molding pressure head of the secondary concave molding part is pressed down, it serves as a secondary molding calibration part for the opening of the product body.

[0018] Furthermore, when the precise concave molding pressure head of the precise concave molding portion is pressed down, it is used as a precise concave molding calibration portion for the opening of the product body.

[0019] Furthermore, the continuous main body opening molding calibration structure is combined with the final main body precision molding structure to form a main body high-precision calibration molding structure, and the combined indentation tolerance high-precision molding is formed to form an upper shaping calibration lower tolerance indentation continuous stamping molding structure.

[0020] Compared with the prior art, the present invention effectively ensures product forming accuracy and product preparation qualification rate through the upper shaping calibration and lower tolerance indentation continuous stamping forming method. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is one of the structural diagrams of product 100.

[0022] Figure 2 This is the second structural diagram of product 100.

[0023] Figure 3 It is a structural diagram of the present utility model.

[0024] Figure 4 It is a structural diagram of setting the pre-depression forming part.

[0025] Figure 5 It is a structural schematic diagram of a primary concave forming part.

[0026] Figure 6 It is a structural schematic diagram of the secondary concave forming part.

[0027] Figure 7 It is a structural schematic diagram of the precise concave forming part.

[0028] Figure 8 This is a structural diagram of the final shaping part of the product main opening. DETAILED DESCRIPTION

[0029] Example:

[0030] See Figure 3 This embodiment shows a continuous stamping forming structure with precise tolerance control, including a correspondingly arranged and coordinated pre-depression forming part 1, a primary depression forming part 2, a secondary depression forming part 3, a precise depression forming part 4, and a final shaping part 5 for the opening of the product body;

[0031] The pre-depression molding of the pre-depression molding part 1, the primary large tolerance pre-molding of the primary depression molding part 2, the secondary small tolerance pre-molding of the secondary depression molding part 3, and the tertiary precision tolerance molding of the precision depression molding part 4 are sequentially performed to form a high-precision molding structure with high-precision tolerance control.

[0032] After the three times of precise tolerance molding of the precise concave molding part 3, the final opening molding of the final shaping part 5 of the product body opening is carried out to form the final body precise molding structure;

[0033] See Figure 4 The pre-depressed receiving portion 1 includes a pre-depressed lower receiving mold 11, and the pre-depressed lower receiving mold 11 is correspondingly provided with a pre-depressed forming press head 12. The specification of the pre-depressed forming groove of the pre-depressed lower receiving mold 11 is 10%-15% smaller than the outer shape of the product body 100, and the press head specification of the pre-depressed forming press head 12 is 88%-92% of the specification of the recessed part of the product body 100;

[0034] See Figure 5 The primary concave forming part 2 includes a primary concave lower receiving mold 21, and the primary concave lower receiving mold 21 is correspondingly provided with a primary concave forming pressure head 22. The specifications of the primary concave forming groove of the primary concave lower receiving mold 21 are consistent with the product main body appearance 100, and the bottom of the primary concave forming groove can be lifted and lowered to provide a primary precision forming embedded core column 23, and the primary precision forming embedded core column 23 is provided with a primary precision convex mold 24. The molding die specifications of the primary precision convex mold 24 are 85%-90% of the specifications of the triangular upper boss 102 and the square upper boss 103; the pressure head specifications of the primary concave forming pressure head 22 are consistent with the concave part of the product main body 100;

[0035] See Figure 6 The secondary concave forming part 3 includes a secondary concave lower receiving mold 31, and the secondary concave lower receiving mold 31 is correspondingly provided with a secondary concave forming pressure head 32. The specifications of the secondary concave forming groove of the secondary concave lower receiving mold 31 are consistent with the appearance of the product main body 100, and the bottom of the secondary concave forming groove can be raised and lowered to provide a secondary precision forming embedded core column 33. The secondary precision forming embedded core column 33 is provided with a secondary precision convex mold 34. The molding mold specifications of the secondary precision convex mold 34 are 94%-98% of the specifications of the triangular upper boss 102 and the square upper boss 103; the pressure head specifications of the secondary concave forming pressure head 32 are consistent with the concave part of the product main body 100;

[0036] See Figure 7The precise concave forming part 4 includes a precise concave lower receiving mold 41, and the precise concave lower receiving mold 41 is correspondingly provided with a precise concave forming pressure head 42. The specifications of the precise concave forming groove of the precise concave lower receiving mold 41 are consistent with the appearance of the product body, and the bottom of the precise concave forming groove is liftably provided with a precise precision forming embedded core column 43, and the precise precision forming embedded core column 43 is provided with a precise precision convex mold 44. The molding mold specifications of the precise precision convex mold 44 are consistent with the specifications of the triangular upper boss 102 and the square upper boss 103; the pressure head specifications of the precise concave forming pressure head 42 are consistent with the concave part of the product body 101;

[0037] See Figure 8 The main body opening final shaping part 5 includes a main body opening final shaping receiving mold 51, and the main body opening final shaping receiving mold 51 is correspondingly provided with a main body opening final shaping pressure head 52. The specifications of the main body opening final shaping molding groove of the main body opening final shaping receiving mold 51 are consistent with the appearance of the product main body 100, and the pressure head specifications of the main body opening final shaping pressure head 52 are consistent with the specifications of the recessed part of the product main body 100.

[0038] When the primary concave molding press head 12 of the primary concave molding part 1 is pressed down, it serves as a primary molding calibration part for the opening of the product body 100 .

[0039] When the secondary concave molding head 22 of the secondary concave molding part 2 is pressed down, it serves as a secondary molding calibration part for the opening of the product body 100 .

[0040] When the precise concave molding head 32 of the precise concave molding portion 3 is pressed down, it serves as a precise concave molding calibration portion of the opening of the product body 100 .

[0041] The primary molding calibration portion, the secondary molding calibration portion, and the precise recessed molding calibration portion are combined to form a continuous main body opening molding calibration structure.

[0042] Compared with the prior art, the present invention effectively ensures product forming accuracy and product preparation qualification rate through the upper shaping calibration and lower tolerance indentation continuous stamping forming method.

[0043] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, and these all fall within the scope of protection of the present invention.

Claims

1. A continuous stamping structure with precise tolerance control, characterized by: It includes a correspondingly set pre-depression forming part, a primary depression forming part, a secondary depression forming part, a precise depression forming part, and a final shaping part for the opening of the product body; The pre-depression molding of the pre-depression molding part, the primary large tolerance pre-molding of the primary depression molding part, the secondary small tolerance pre-molding of the secondary depression molding part, and the tertiary precision tolerance molding of the precision depression molding part are sequentially performed to form a high-precision molding structure with high-precision tolerance control; After three times of precise tolerance molding of the precise concave molding part, the final opening molding of the final shaping part of the product main body is carried out to form the final main body precise molding structure.

2. The continuous stamping structure with precise tolerance control according to claim 1, characterized in that: The pre-depressed receiving part includes a pre-depressed lower receiving mold, and the pre-depressed lower receiving mold is correspondingly provided with a pre-depressed forming pressure head. The specifications of the pre-depressed forming groove of the pre-depressed lower receiving mold are 10%-15% smaller than the appearance of the product main body, and the pressure head specifications of the pre-depressed forming pressure head are 88%-92% of the specifications of the depressed part of the product main body.

3. The continuous stamping structure with precise tolerance control according to claim 2, characterized in that: The primary concave forming part includes a primary concave lower receiving mold, and the primary concave lower receiving mold is correspondingly provided with a primary concave forming pressure head. The specifications of the primary concave forming groove of the primary concave lower receiving mold are consistent with the appearance of the product main body, and the bottom of the primary concave forming groove can be raised and lowered to provide a primary precision forming embedded core column, and the primary precision forming embedded core column is provided with a primary precision convex mold. The forming mold specifications of the primary precision convex mold are 85%-90% of the specifications of the triangular upper boss and the square upper boss; the pressure head specifications of the primary concave forming pressure head are consistent with the concave part of the product main body.

4. The continuous stamping structure with precise tolerance control according to claim 3, characterized in that: The secondary recessed forming part includes a secondary recessed lower receiving mold, and the secondary recessed lower receiving mold is correspondingly provided with a secondary recessed forming pressure head. The specifications of the secondary recessed forming groove of the secondary recessed lower receiving mold are consistent with the appearance of the product main body, and the bottom of the secondary recessed forming groove can be raised and lowered to provide a secondary precision forming embedded core column, and the secondary precision forming embedded core column is provided with a secondary precision convex mold. The forming mold specifications of the secondary precision convex mold are 94%-98% of the specifications of the triangular upper boss and the square upper boss; the pressure head specifications of the secondary recessed forming pressure head are consistent with the recessed part of the product main body.

5. The continuous stamping structure with precise tolerance control according to claim 4, characterized in that: The precise recessed forming part includes a precise recessed lower receiving mold, and the precise recessed lower receiving mold is correspondingly provided with a precise recessed forming pressure head. The specifications of the precise recessed forming groove of the precise recessed lower receiving mold are consistent with the main body appearance of the product, and the bottom of the precise recessed forming groove can be raised and lowered to provide a precise precision forming embedded core column, and the precise precision forming embedded core column is provided with a precise precision convex mold. The forming mold specifications of the precise precision convex mold are consistent with the specifications of the triangular upper boss and the square upper boss; the pressure head specifications of the precise recessed forming pressure head are consistent with the recessed part of the product main body.

6. The continuous stamping structure with precise tolerance control according to claim 5, characterized in that: The final shaping part of the main opening includes a final shaping receiving mold for the main opening, and the final shaping receiving mold for the main opening is correspondingly provided with a final shaping pressure head for the main opening. The specifications of the final shaping forming groove of the main opening of the final shaping receiving mold are consistent with the appearance of the product main body, and the specifications of the pressure head of the final shaping pressure head of the main opening are consistent with the specifications of the recessed part of the product main body.

7. The continuous stamping structure with precise tolerance control according to claim 6, characterized in that: When the primary concave forming pressure head of the primary concave forming part is pressed down, it is used as a primary forming calibration part of the opening of the product body.

8. The continuous stamping structure with precise tolerance control according to claim 7, characterized in that: When the secondary concave molding head of the secondary concave molding part is pressed down, it is used as a secondary molding calibration part for the opening of the product body.

9. The continuous stamping structure with precise tolerance control according to claim 8, characterized in that: When the precision concave molding head of the precision concave molding part is pressed down, it is used as a precision concave molding calibration part for the opening of the product body.

10. The continuous stamping structure with precise tolerance control according to claim 9, characterized in that: The continuous main body opening molding calibration structure is combined with the final main body precision molding structure to form a main body high-precision calibration molding structure, and the combined indentation tolerance high-precision molding forms an upper part calibration lower tolerance indentation continuous stamping molding structure.

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