Stamping female die position degree spring pin adjusting structure

Abstract

The utility model discloses a stamping female die position degree spring pin adjusting structure which comprises a fixing plate and a female die plate, the cross section of the female die plate is round, a fixing hole matched with the female die plate is formed in the fixing plate, a C-shaped groove is formed in the portion, on the side face of the fixing hole, of the fixing plate, and the C-shaped groove penetrates through the thickness direction of the fixing plate. A C-shaped groove is formed in the concave template, one side of the C-shaped groove penetrates into the fixing hole in the horizontal direction, the other side of the C-shaped groove is located outside the fixing hole, a C-shaped pin is arranged in the C-shaped groove and comprises a closed section and an open section, the closed section is located in the fixing hole, an arc-shaped groove matched with the closed section is formed in the concave template, and the arc-shaped groove penetrates through the thickness direction of the concave template. Through abutting of the C-shaped pin, rotation of the female die plate in the horizontal direction is limited, meanwhile, the female die plate is fastened, the position degree and concentricity of the female die plate are guaranteed, and the position precision of the female die is high.

Description

Technical Field

[0001] The utility model relates to a stamping die structure, in particular to a stamping die position adjustment spring pin structure. Background Art

[0002] A progressive die is composed of multiple stations, each of which completes different processing in sequence, completing a series of different stamping processes in one stroke of the punch press. After one stroke is completed, the punch press feeder moves the material forward according to a fixed step distance, so that multiple processes can be completed on a pair of molds, generally punching, blanking, bending, trimming or stretching, etc.

[0003] In the prior art, when adjusting the process of continuous stamping die (progressive die) or producing the same type of products, it is usually necessary to adjust the punch, die, etc. in the progressive die. For example, in the prior art, the Chinese invention patent with application number "201110100906.7" discloses a similar die structure. Since it is necessary to stamp the motor rotor punching sheet and other structures, there are a large number of such structures. Figure 1 The circular die structure shown in the figure will cause rotational misalignment of the circumferential surface of the die during the installation and grinding of such die standard parts. Therefore, it is necessary to ensure its position and thus the processing accuracy. Utility Model Content

[0004] The utility model aims to provide a spring pin adjustment structure for the position of a stamping die, which has the advantage of high die position accuracy.

[0005] The above-mentioned technical purpose of the present utility model is achieved through the following technical solutions: a stamping die position spring pin adjustment structure, comprising a fixed plate and a die plate, the cross-sectional shape of the die plate being circular, a fixing hole cooperating with the die plate being provided on the fixed plate, a C-shaped groove being provided on the side of the fixing hole of the fixed plate, the C-shaped groove being arranged through the thickness direction of the fixed plate, one side of the C-shaped groove being horizontally penetrated into the fixing hole, the other side of the C-shaped groove being located outside the fixing hole, a C-shaped pin being arranged in the C-shaped groove, the C-shaped pin comprising a closed section and an open section, the closed section being located in the fixing hole, an arc groove cooperating with the closed section being provided on the die plate, and the arc groove being arranged through the thickness direction of the die plate.

[0006] Preferably, the C-shaped groove and the C-shaped pin are arranged concentrically.

[0007] By adopting the above technical solution, the connection is made with the C-shaped pin, and there are two C-shaped grooves to ensure that the center of the C-shaped pin has a fixed position.

[0008] As preferred, the fixing plate forms a connecting block in the C-shaped groove, the connecting block has a circular cross-sectional shape, one side of the connecting block partially overlaps the projection of the fixing hole in the horizontal direction, and the other side of the connecting block is connected to the fixing plate at the opposite position of the C-shaped groove.

[0009] By adopting the above technical scheme, the position of the connecting block ensures that part of the side surface of the C-shaped pin enters the fixing hole and contacts the arc-shaped groove on the side surface of the die plate, thereby achieving limiting and positioning.

[0010] As preferred, the C-shaped pin is made of hard alloy spring steel.

[0011] By adopting the above technical scheme, the C-shaped pin has good hardness, and the position accuracy is not easily deteriorated due to deformation under stress.

[0012] As preferred, the top and bottom of the longitudinal section of the C-shaped pin are arc-shaped, the inner side of the longitudinal section of the C-shaped pin is vertically arranged, the upper and lower segments of the outer side of the longitudinal section of the C-shaped pin are inwardly inclined, and the middle segment of the outer side of the longitudinal section of the C-shaped pin is vertically arranged.

[0013] By adopting the above technical scheme, the middle part of the C-shaped pin is fixed by abutting, and the top and bottom of the C-shaped pin are convenient for the whole to be separated.

[0014] As preferred, the bottom of the fixing plate is provided with a quick release plate, a lifting quick release structure is arranged between the quick release plate and the fixing plate, the lifting quick release structure includes an acting end and a force applying end, the acting end is located at the bottom of the C-shaped pin, and the acting end and the force applying end are connected through a ball screw pair.

[0015] By adopting the above technical scheme, the quick release plate serves as a connection with the fixing plate, and is used for accommodating and protecting the lifting quick release structure at the bottom of the fixing plate.

[0016] As preferred, the top of the quick release plate is provided with a sliding groove, the acting end includes a sliding plate which is slidingly connected in the sliding groove, the top of the sliding plate is provided with a thimble, the thimble is arranged around the sliding plate, the thimble is located at the bottom of the C-shaped pin, the force applying end includes a threaded rod, a threaded hole which cooperates with the threaded rod is arranged on the sliding plate, the bottom of the threaded rod is rotationally connected with the quick release plate in the horizontal direction, and the middle part of the threaded rod is threadedly connected with the threaded hole.

[0017] By adopting the above technical scheme, the principle of the ball screw pair is realized through the threaded hole, and the thimble is controlled to be lifted, so that the C-shaped pin is ejected from the fixing plate in the vertical direction.

[0018] As preferred, the bottom of the quick release plate is provided with a bearing, the outer ring of the bearing is connected with the quick release plate, and the inner ring of the bearing is connected with the bottom of the threaded rod.

[0019] By adopting the technical scheme, the bearing fixes and rotates the bottom of the threaded rod in the horizontal direction.

[0020] Preferably, the center of the connecting block is provided with a rotating hole, the sliding plate comprises connecting rods and a center ring, three connecting rods are uniformly distributed in the circumferential direction of the center ring, one end of the connecting rod is connected with the center ring, the thimble is arranged on the other end of the connecting rod, and the threaded hole is arranged in the center of the center ring.

[0021] By adopting the technical scheme, i.e. the scheme of multi-point ejection of the thimble, the connection position is avoided.

[0022] In summary, in the use process, the circular concave die plate is placed in the fixed hole, the arc-shaped groove on the concave die plate is aligned with the corresponding position of the C-shaped groove, then the closed section of the C-shaped pin is aligned with the arc-shaped groove, the opening section of the C-shaped pin is aligned with the position corresponding to the fixed plate of the adjacent C-shaped groove, when the C-shaped pin is inserted into the C-shaped groove, most of the C-shaped pin abuts against the C-shaped groove, the outside of the C-shaped groove in the fixed hole corresponds to the arc-shaped groove on the concave die plate, through abutment, the rotation of the concave die plate in the horizontal direction is limited, the concave die plate is fastened, the position degree and the concentricity of the concave die plate are ensured, and the concave die position precision is high; meanwhile, when the C-shaped pin is separated, the concave die plate is conveniently and quickly disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a top view of the background art;

[0024] Figure 2 is a top view of the embodiment;

[0025] Figure 3 is a structural schematic view of the embodiment;

[0026] Figure 4 is a partial sectional view of the embodiment;

[0027] Figure 5 is a structural schematic view of the sliding plate of the embodiment;

[0028] In the figure, 1 is a fixed plate, 11 is a fixed hole, 12 is a C-shaped groove, 13 is a connecting block, 14 is a rotating hole, 2 is a concave die plate, 21 is an arc-shaped groove, 3 is a C-shaped pin, 31 is a closed section, 32 is an opening section, 41 is a quick disassembly plate, 42 is a sliding groove, 43 is a sliding plate, 44 is a thimble, 45 is a threaded rod, 46 is a threaded hole, and 47 is a bearing. DETAILED DESCRIPTION

[0029] The utility model will be further explained in detail in combination with the drawings.

[0030] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

[0031] Example:

[0032] like Figures 2 to 5 As shown, a stamping die position spring pin adjustment structure includes a fixed plate 1 and a die plate 2. The cross-section of the die plate 2 is quasi-circular (actually, due to the presence of the arc groove 21, the circular profile lacks an arc angle). The fixed plate 1 is provided with a fixing hole 11 that matches the die plate 2. The connection between the fixing hole 11 and the die can be made in an overfitting manner when the concentricity and position requirements of the processing or stamping are low. When the requirements are high, in order to avoid shaking, the fixing hole 11 and the die plate 2 can be connected in an interference fit manner; the fixed plate 1 is provided with a C-shaped Groove 12, the C-shaped groove 12 is set in the thickness direction of the fixed plate 1, the outer side of the C-shaped groove 12 extends into the fixing hole 11 in the horizontal direction, and the inner side of the C-shaped groove 12 is located outside the fixing hole 11, that is, in the fixing plate 1, and a C-shaped pin 3 is provided in the C-shaped groove 12. In order to ensure the connection effect of the C-shaped pin 3, the C-shaped pin 3 is made of carbide spring steel. The C-shaped groove 12 is concentrically arranged with the C-shaped pin 3. The C-shaped pin 3 includes a closed section 31 and an open section 32. The closed section 31 is located in the fixing hole 11. The concave template 2 is provided with an arc groove 21 that cooperates with the closed section 31. The arc groove 21 is set in the thickness direction of the concave template 2.

[0033] like Figure 2 and Figure 4 As shown, the fixing plate 1 forms a connecting block 13 in the C-shaped groove 12. The cross-section of the connecting block 13 is circular. The horizontal projection of one side of the connecting block 13 partially overlaps with the horizontal projection of the fixing hole 11. The other side of the connecting block 13 is connected to the fixing plate 1 at the opposite position of the C-shaped groove 12, that is, the opening position.

[0034] like Figure 2 and Figure 4 As shown, in order to ensure the insertion effect of the C-shaped pin 3 made of alloy and to facilitate the removal of the C-shaped pin 3 from the C-shaped groove 12, the top and bottom of the longitudinal section of the C-shaped pin 3 are arc-shaped, the inner side of the longitudinal section of the C-shaped pin 3 is vertically set, and the upper and lower sections of the outer side of the longitudinal section of the C-shaped pin 3 are inclined inward. The inclined setting plays a role in guiding and reducing the contact area. The middle section of the outer side of the longitudinal section of the C-shaped pin 3 is vertically set, and the abutment enables the C-shaped pin 3 to fix the concave template 2.

[0035] like Figures 2 to 5As shown, in order to facilitate the C-shaped pin 3 from the C-shaped groove 12 fast take out, the bottom of the fixed plate 1 is provided with a quick release plate 41, wherein the quick release plate 41 can be an additional plate during the die grinding process, the quick release plate 41 can be processed on the fixed plate 1 during the continuous die stamping process. The sliding groove 42 structure is convenient for quick release during maintenance and replacement; the quick release plate 41 and the fixed plate 1 are provided with a lifting quick release structure, the lifting quick release structure includes an acting end and a force end, the acting end is located at the bottom of the C-shaped pin 3, and the acting end and the force end are connected through a ball screw pair, that is, the transmission mode of the acting end and the force end has many kinds, only the lifting pin 44 can be realized.

[0036] As shown in Figure 4 and Figure 5 In this embodiment, the top of the quick release plate 41 is provided with a sliding groove 42, the acting end includes a sliding plate 43 connected in the sliding groove 42, the top of the outer side of the sliding plate 43 is provided with a pin 44, the pin 44 is arranged around the sliding plate 43, the pin 44 is located at the bottom of the C-shaped pin 3, and is used to be pushed out upward from the bottom, the force end includes a threaded rod 45, the sliding plate 43 is provided with a threaded hole 46 matched with the threaded rod 45, the bottom of the threaded rod 45 is connected with the quick release plate 41 in the horizontal direction, and the middle part of the threaded rod 45 is screwed with the threaded hole 46.

[0037] The specific structure is that the top of the threaded rod 45 is provided with a head for the wrench to rotate, and the threaded rod 45 is arranged inside the connecting block 13 in the horizontal direction, that is, the center of the connecting block 13 is provided with a rotating hole 14 for the threaded rod 45 to enter, and it should be understood that the threaded rod 45 is not screwed with the rotating hole 14, the threaded rod 45 is screwed with the center of the sliding plate 43, and then connected with the bearing 47 arranged at the bottom of the quick release plate 41 to form a ball screw pair, the outer ring of the bearing 47 is connected with the quick release plate 41, and the inner ring of the bearing 47 is connected with the bottom of the threaded rod 45.

[0038] As shown in Figure 5 The specific structure of the sliding plate 43 is that the sliding plate 43 includes a connecting rod and a center ring, the connecting rod is uniformly distributed with three on the circumference of the center ring, one end of the connecting rod is connected with the center ring, the pin 44 is arranged on the other end of the connecting rod, and the threaded hole 46 is arranged at the center of the center ring.

[0039] Working principle:

[0040] In use, the C-shaped pin 3 can also be embedded in the C-shaped groove 12 first, and then the circular concave mold plate 2 is placed in front of the fixed hole 11, the arc-shaped groove 21 on the concave mold plate 2 is aligned with the C-shaped pin 3, when the concave mold plate 2 is inserted into the fixed hole 11, most of the C-shaped pin 3 abuts against the C-shaped groove 12, the outside of the C-shaped groove 12 in the fixed hole 11 corresponds to the arc-shaped groove 21 on the concave mold plate 2, through the abutment, the rotation of the concave mold plate 2 in the horizontal direction is limited, at the same time, the concave mold plate 2 is fastened, the position degree and the concentricity of the concave mold plate 2 are ensured; when disassembling, the top of the threaded rod 45 is rotated, and then the sliding plate 43 is lifted, so that the thimble 44 contacts the bottom of the C-shaped pin 3, the C-shaped pin 3 is nailed outward and is pushed out, and the subsequent concave mold plate 2 is convenient to take out.

Claims

1. A punch die position spring pin adjustment structure characterized by: The utility model provides a kind of mould, including fixed plate (1) and female die plate (2), the cross-sectional shape of the female die plate (2) is circular, the fixed plate (1) is provided with fixed hole (11) with female die plate (2) cooperation, the fixed plate (1) is provided with C-shaped groove (12) in the side of fixed hole (11), the C-shaped groove (12) is arranged through the thickness direction of fixed plate (1), one side of the C-shaped groove (12) is arranged in horizontal direction into fixed hole (11), the other side of the C-shaped groove (12) is located outside fixed hole (11), C-shaped pin (3) is arranged in the C-shaped groove (12), the C-shaped pin (3) includes closed section (31) and open section (32), the closed section (31) is located in fixed hole (11), the female die plate (2) is provided with arc-shaped groove (21) with closed section (31) cooperation, the arc-shaped groove (21) is arranged through the thickness direction of female die plate (2).

2. The position spring pin adjustment structure for a punch recess die as set forth in claim 1, characterized by: The C-shaped groove (12) is concentrically arranged with the C-shaped pin (3).

3. The position spring pin adjustment structure for a punch recess die as set forth in claim 2, wherein: The fixed plate (1) forms a connecting block (13) in the C-shaped groove (12), the cross-sectional shape of the connecting block (13) is circular, the projection of one side of the connecting block (13) in the horizontal direction partially overlaps the projection of the fixed hole (11) in the horizontal direction, and the other side of the connecting block (13) is connected to the fixed plate (1) at a position opposite to the C-shaped groove (12).

4. The position spring pin adjustment structure for a punch recess die as set forth in claim 2, wherein: The C-shaped pin (3) is made of hard alloy spring steel.

5. The position spring pin adjustment structure for a punch recess die as set forth in claim 4, wherein: The top and bottom of the longitudinal section of the C-shaped pin (3) are arc-shaped, the inner side of the longitudinal section of the C-shaped pin (3) is vertically arranged, the upper and lower sections of the outer side of the longitudinal section of the C-shaped pin (3) are inwardly inclined, and the middle section of the outer side of the longitudinal section of the C-shaped pin (3) is vertically arranged.

6. The position spring pin adjustment structure for a punch recess die as set forth in claim 3, wherein: The bottom of the fixed plate (1) is provided with a quick release plate (41), and a lifting quick release structure is arranged between the quick release plate (41) and the fixed plate (1). The lifting quick release structure includes an acting end and a force applying end. The acting end is located at the bottom of the C-shaped pin (3), and the acting end and the force applying end are connected by a ball screw pair.

7. The position spring pin adjustment structure for a punch recess die as set forth in claim 6, wherein: The top of the quick release plate (41) is provided with a sliding groove (42), the acting end includes a sliding plate (43) slidingly connected in the sliding groove (42), the top of the sliding plate (43) is provided with a thimble (44), the thimble (44) is arranged around the sliding plate (43), the thimble (44) is located at the bottom of the C-shaped pin (3), the force applying end includes a threaded rod (45), the sliding plate (43) is provided with a threaded hole (46) matched with the threaded rod (45), the bottom of the threaded rod (45) is rotationally connected with the quick release plate (41) in the horizontal direction, and the middle of the threaded rod (45) is threadedly connected with the threaded hole (46).

8. The position spring pin adjustment structure for a punch recess die as set forth in claim 7, wherein: The bottom of the quick release plate (41) is provided with a bearing (47), the outer ring of the bearing (47) is connected with the quick release plate (41), and the inner ring of the bearing (47) is connected with the bottom of the threaded rod (45).

9. The position spring pin adjustment structure for a punch recess die as set forth in claim 7, wherein: The center of the connecting block (13) is provided with a rotating hole (14), the sliding plate (43) comprises a connecting rod and a center ring, three connecting rods are uniformly distributed in the circumference of the center ring, one end of the connecting rod is connected with the center ring, the thimble (44) is arranged on the other end of the connecting rod, and the threaded hole (46) is arranged in the center of the center ring.

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