Precise guiding stamping die frame

Abstract

The utility model discloses a precise guide stamping die frame which comprises a lower die frame and an upper die frame arranged on the upper side of the lower die frame, fixing frames are arranged at the four corners of the lower side of the lower die frame respectively, and fixing columns and guide columns are arranged at the connecting positions of the four corners of the lower die frame and the four corners of the upper die frame respectively. A compression spring is connected to the outer side of the guide column in a sleeving mode, a stamping cavity is formed in the middle of the inner side of the lower die frame, a pressing groove is formed in the inner side of the middle of the upper die frame, a traditional stamping die can only achieve stamping of holes of a single shape and size, and if products with holes of different specifications need to be produced, the stamping die cannot be used for stamping the holes of different sizes. And therefore, the cost is high, and time and labor are consumed. In the structure of the rotary drum, a plurality of stamping holes which are different in shape and size and are symmetrically distributed with the middle as the mirror plane are formed in the rotary drum, and the stamping holes can be easily switched by rotating the rotary drum.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch die mould frame field, especially a kind of precision guiding punch die mould frame. BACKGROUND

[0002] Precision guiding punch die mould frame is crucial in modern manufacturing. With the development of industry, the precision requirement of stamping part is continuously improved, and traditional mould frame is difficult to meet. Precision guiding mould frame emerges as the times require, which ensures the accurate cooperation of upper and lower die seats in the stamping process through high-precision guiding devices such as guide pillars and guide sleeves, effectively improves the quality of stamping products and prolongs the service life of mould, and is widely used in many fields such as automobiles and electronics, promoting the continuous progress of related industries towards high precision and high quality.

[0003] At present, there is a precision guiding punch die mould frame, which can only stamp specific shapes during stamping operation. It cannot quickly change the shape of the stamping hole on the same mould frame, mainly because it lacks the corresponding replacement structure, which limits the flexibility and versatility of the mould frame, making it necessary to replace different mould frames when stamping different shaped workpieces, increasing cost and operational complexity. SUMMARY

[0004] The main purpose of the utility model is to provide a precision guiding punch die mould frame, which solves the problem that the existing mould frame can only stamp specific shapes and cannot quickly change the shape of the stamping hole on the same mould frame, limiting the flexibility and versatility of the mould frame, making it necessary to replace different mould frames when stamping different shaped workpieces, increasing cost and operational complexity.

[0005] To solve the above problems, the utility model provides a precision guiding punch die mould frame, which comprises a lower mould frame and an upper mould frame arranged at the upper side of the lower mould frame.

[0006] The lower side of the lower mould frame is provided with a fixing frame at each corner.

[0007] The lower mould frame and the upper mould frame are provided with a fixing column and a guide column at the corner connection position, respectively, and the outer side of the guide column is connected with a compression spring, the inner side of the lower mould frame is provided with a stamping cavity at the middle position, and the inner side of the upper mould frame is provided with a pressing groove at the middle position.

[0008] The lower side of the lower mould frame is provided with a rotating drum, the two sides of the rotating drum are provided with a rotating ring outside, and the left and right sides of the rotating drum are respectively provided with a clamping ring, and the connecting position of the clamping ring and the lower mould frame is provided with an inner rotating rail.

[0009] The rotating drum is provided with a plurality of stamping holes at the inner position of the front and rear ends, respectively.

[0010] In an embodiment, the punch hole is arranged through the rotating drum.

[0011] In an embodiment, the rotating ring is connected to the rotating drum by welding, and the clamping ring is connected to the inner rotating rail by embedding.

[0012] In an embodiment, the clamping ring is connected to the rotating drum by welding, and the rotating drum can rotate in the inner rotating rail through the clamping ring and the rotating ring.

[0013] In an embodiment, the punch hole at the front and rear ends is not symmetrical, and is arranged on the rotating drum with the middle of the rotating drum as a mirror axis.

[0014] In an embodiment, the sizes of the plurality of punch holes are different, and the plurality of punch holes are vertically arranged on the inner side of the rotating drum.

[0015] In an embodiment, the clamping ring is connected to the handle at the lowermost side, and the handle is connected to the clamping ring by bolting.

[0016] In an embodiment, the four fixing frames are connected to the lower die frame by welding, and the fixing column is arranged on the upper side of the guide column.

[0017] In an embodiment, the guide column is connected to the fixing column by embedding, and the fixing column can vertically rise and fall on the guide column.

[0018] In an embodiment, the fixing column is connected to the upper die frame by welding, the guide column is connected to the lower die frame by welding, and the upper side of the upper die frame is provided with a guide hole at the inner side of each corner.

[0019] In the precise guide punch die frame, the rotating drum, the rotating ring, the clamping ring, the punch hole, the handle, and the inner rotating rail can achieve the following advantages:

[0020] Traditional punch dies can only punch holes of a single shape and size. If different specifications of holes are needed, different dies need to be replaced, which is time-consuming and laborious. In the rotating drum structure, a plurality of punch holes of different shapes and sizes are arranged on the rotating drum and symmetrically distributed with the middle as a mirror axis. By rotating the rotating drum, the punch hole can be easily switched, so that the same die frame can meet the punching needs of different hole specifications, greatly improving the versatility of the die, and being suitable for producing various styles and different design requirements of parts, reducing the cost investment and time loss caused by frequent replacement of dies.

[0021] In the production process, the mold replacement is a relatively cumbersome process, which needs to stop, disassemble, install and other steps, which will seriously affect the continuity of production. With the rotating drum structure, the operator only needs to simply rotate the rotating drum, quickly selects the appropriate punching hole to continue punching, and improves the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings described in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0023] Figure 1 The structure diagram of the mold frame in the present application.

[0024] Figure 2 The schematic diagram after removing the rotating drum structure in the present application.

[0025] Figure 3 The structure diagram of the rotating drum in the present application.

[0026] Figure 4 The structure diagram of the side view angle in the present application.

[0027] Figure 5 The structure diagram of the front view angle in the present application.

[0028] The following is the explanation of the reference signs:

[0029] 1, lower mold frame; 2, fixed frame; 3, upper mold frame; 4, guide hole; 5, pressing groove; 6, fixed column; 7, guide column; 8, compression spring; 9, punching cavity; 10, inner rotating rail; 11, rotating ring; 12, clamping ring; 13, punching hole; 14, rotating drum; 15, handle rod. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0031] It should be noted that if the embodiments of the utility model have directionality indication (such as up, down, left, right, front, back), the directionality indication is only used to explain the relative position relationship, movement condition and the like between components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directionality indication also changes accordingly.

[0032] In the utility model, unless another explicit provision and limitation, the terms "connection", "fixation" and the like should be understood broadly, for example, "fixation" can be fixed connection, also can be detachable connection, or integral; can be mechanical connection, also can be electrical connection; can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements or the interaction relationship of two elements, unless another explicit limitation. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0033] In addition, if the embodiments of the utility model have the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one feature. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously meet the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on that ordinary skilled in the art can realize, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.

[0034] The utility model provides a kind of precision guiding stamping die die frame as shown in Figures 1-5 Upper die 3 is arranged on the upper side position of lower die 1;

[0035] Fixed frame 2 is arranged at the lower side four corner positions of lower die 1;

[0036] Fixed column 6 and guide column 7 are arranged at the four corner connecting positions of lower die 1 and upper die 3, compression spring 8 is connected in sleeve at the outer side position of guide column 7, stamping cavity 9 is arranged at the inner side middle position of lower die 1, and pressure groove 5 is arranged at the inner side middle position of upper die 3;

[0037] Rotary drum 14 is arranged at the lower side position of lower die 1, rotary ring 11 is arranged at the both sides outside of rotary drum 14, snap ring 12 is arranged at the both sides outside of rotary drum 14 respectively, and inner rotary rail 10 is arranged at the connecting position of snap ring 12 and lower die 1.

[0038] A plurality of stamping holes 13 are arranged at the inner positions of the front and rear ends of the rotary drum 14.

[0039] The four fixing frames 2 are connected to the lower die frame 1 by welding, the fixing column 6 is arranged on the upper side of the guide column 7, the guide column 7 is connected to the fixing column 6 by sleeving, the fixing column 6 can vertically rise and fall on the guide column 7, the fixing column 6 is connected to the upper die frame 3 by welding, and the guide column 7 is connected to the lower die frame 1 by welding.

[0040] In this embodiment, first, the fixing frame 2 connected by welding on the lower side of the lower die frame 1 is used to stably install the entire die frame on a suitable stamping device workbench, so as to ensure that the installation position is horizontal and firm, and to provide a stable basis for subsequent stamping operations.

[0041] Material placement:

[0042] The raw material to be stamped is accurately placed in the stamping cavity 9 in the middle of the inner side of the lower die frame 1, and the material placement position is accurately ensured so that it can accurately correspond to the pressing groove 5 when the upper die frame 3 is pressed down, avoiding product unqualification caused by stamping position deviation.

[0043] Rotary drum adjustment:

[0044] According to the shape and size of the stamping hole 13 required by this stamping process, the operator holds the handle 15 and manually rotates the rotary drum 14 to rotate the corresponding stamping hole 13 to a suitable stamping position. Since the stamping hole 13 has multiple different specifications and is arranged in axial symmetry, it can be flexibly selected as needed.

[0045] Stamping operation:

[0046] Start the stamping device, drive the upper die frame 3 down by external force, the fixing column 6 falls vertically along the guide column 7, the compression spring 8 is compressed, the pressing groove 5 of the upper die frame 3 cooperates with the stamping cavity 9 of the lower die frame 1, and the selected stamping hole 13 on the rotary drum 14 is used to stamp the material to be stamped, completing the preliminary forming of the part.

[0047] Reset and take out the finished product:

[0048] After stamping, the external force is removed, and the upper die frame 3 is reset upward along the guide column 7 through the fixing column 6 under the elastic restoring force of the compression spring 8. Then the operator takes out the stamped finished product from the stamping cavity 9, and prepares for the next round of stamping operation.

[0049] As Figures 1-3As shown, the stamping holes 13 are completely through the rotating drum 14, the rotating drum 14 is provided in a hollow cylindrical shape, the rotating ring 11 is connected with the rotating drum 14 in a welding integrated connection mode, the clamping ring 12 is connected with the inner rotating rail 10 in a sleeve embedding connection mode, the clamping ring 12 is connected with the rotating drum 14 in a welding integrated connection mode, the rotating drum 14 can rotate in the inner rotating rail 10 through the clamping ring 12 and the rotating ring 11, the stamping holes 13 at the front and rear ends are not identical in shape and are symmetrically arranged on the rotating drum 14 with the middle of the rotating drum 14 as a mirror surface axis, the stamping holes 13 are not identical in size from top to bottom and are vertically arranged on the inner side of the rotating drum 14, the clamping ring 12 is connected with the handle 15 at the lowermost side, and the handle 15 is connected with the clamping ring 12 in a bolt connection mode.

[0050] Preferably, the rotating drum 14 is connected with the inner rotating rail 10 in the lower die holder 1 through the rotating rings 11 and the clamping ring 12 at both sides. The rotating ring 11 is connected with the rotating drum 14 in a welding integrated connection mode, which guarantees the stability of the connection, and the clamping ring 12 is matched with the inner rotating rail 10 in a sleeve embedding connection mode and is also connected with the rotating drum 14 in a welding integrated connection mode, so that the rotating drum 14 can rotate smoothly in the inner rotating rail 10 with the clamping ring 12 and the rotating ring 11 as the support.

[0051] When facing the stamping requirements of different products, the structure can allow the rotating drum 14 to rotate to change the position of the stamping holes 13 without replacing the entire die holder, thereby improving the applicability and use efficiency of the die.

[0052] The rotating drum 14 is provided with a plurality of stamping holes 13 inside the front and rear ends, and these stamping holes 13 have unique design features, that is, they are completely through the rotating drum 14, are not identical in shape and are symmetrically arranged on the rotating drum 14 with the middle of the rotating drum 14 as a mirror surface axis, and are not identical in size from top to bottom and are vertically arranged on the inner side of the rotating drum 14. When the rotating drum 14 is rotated, different stamping holes 13 of different shapes and sizes can be rotated to the positions corresponding to the stamping cavities 9 of the lower die holder 1 as needed, so that the stamping operation can be performed on the materials to be stamped by using different stamping holes 13, and the stamping processing of multiple different specifications of holes can be performed on the same die holder, thereby greatly expanding the function of the die.

[0053] The preferred embodiments are only used to illustrate the technical solutions of the present application, and do not limit the patent range of the present application. Any equivalent structure transformation made according to the content of the present application and the drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the present application.

Claims

1. A precision guide stamping die frame, comprising a lower die frame (1), and an upper die frame (3) arranged at the upper side of the lower die frame (1); The lower side of the lower die frame (1) is provided with a fixed frame (2) at the four corners respectively; The lower die frame (1) and the upper die frame (3) are provided with a fixed column (6) and a guide column (7) at the four corner connection positions respectively, the outer side of the guide column (7) is connected with a compression spring (8) in a sleeved manner, the inner side of the lower die frame (1) is provided with a stamping cavity (9), and the middle inner side of the upper die frame (3) is provided with a pressing groove (5); characterized in that The lower side of the lower die frame (1) is provided with a rotating drum (14), the two sides of the rotating drum (14) are provided with a rotating ring (11) outside, the left and right sides of the rotating drum (14) are respectively provided with a clamping ring (12) outside, and the connecting position of the clamping ring (12) and the lower die frame (1) is provided with an inner rotating rail (10); The front and rear ends of the rotating drum (14) are respectively provided with a plurality of stamping holes (13) inside.

2. The precision guided stamping die set of claim 1, wherein: The stamping hole (13) is completely penetrated through the rotating drum (14), and the rotating drum (14) is provided in a hollow cylindrical shape.

3. The precision guided stamping die set of claim 2, wherein: The rotating ring (11) is connected with the rotating drum (14) in a welded integrated connection mode, and the clamping ring (12) is connected with the inner rotating rail (10) in a sleeved connection mode.

4. The precision guided stamping die set of claim 3, wherein: The clamping ring (12) is connected with the rotating drum (14) in a welded integrated connection mode, and the rotating drum (14) can rotate in the inner rotating rail (10) through the clamping ring (12) and the rotating ring (11).

5. The precision piloted stamping die set of claim 4, wherein: The stamping holes (13) at the front and rear ends are not consistent in shape, and are symmetrically arranged on the rotating drum (14) with the middle of the rotating drum (14) as a mirror axis.

6. The precision piloted stamping die set of claim 5, wherein: The sizes of the stamping holes (13) are different from top to bottom, and the stamping holes (13) are vertically arranged in the middle of the rotating drum (14).

7. The precision piloted stamping die set of claim 6, wherein: The lowermost side of the clamping ring (12) is connected with a handle rod (15), and the handle rod (15) is connected with the clamping ring (12) in a bolt connection mode.

8. The precision piloted stamping die set of claim 1, wherein: The four fixed frames (2) are connected with the lower die frame (1) in a welded integrated connection mode, and the fixed column (6) is arranged above the guide column (7).

9. The precision piloted stamping die set of claim 8, wherein: The guide column (7) is connected with the fixed column (6) in a sleeved connection mode, and the fixed column (6) can vertically take off on the guide column (7).

10. The precision piloted stamping die set of claim 9, wherein: The fixed column (6) is connected with the upper die frame (3) in a welded integrated connection mode, the guide column (7) is connected with the lower die frame (1) in a welded integrated connection mode, and the upper side of the upper die frame (3) is provided with a guide hole (4) in the four corners.

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