Stamping die positioning device for stamping machine

Abstract

The utility model discloses a stamping die positioning device for a stamping machine, which relates to the technical field of stamping die positioning and comprises a base, a positioning mechanism, an auxiliary positioning mechanism and a release mechanism, T-shaped guide rail grooves distributed in parallel are arranged at the top of the outer wall of the base, and sliders are arranged at the bottom of the positioning mechanism and embedded into the T-shaped guide rail grooves. The auxiliary positioning mechanisms are distributed at the four corners of the base, and sliding blocks matched with the T-shaped guide rail grooves are arranged at the bottom end of the outer wall of the sliding base. The positioning mechanism, the clamping arm and the releasing mechanism which are matched with one another are installed, so that rapid positioning and self-adaptive clamping of the stamping die are achieved, the problems that a traditional stamping die positioning device is difficult to rapidly adapt to dies of different sizes, the positioning and clamping process is tedious and the efficiency is low are solved, the die installation and debugging time is shortened, and the production efficiency is improved. The overall efficiency of stamping production is improved, and meanwhile, the surface of the die can be better protected through the self-adaptive elastic clamping mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to stamping die positioning technical field, concretely is a stamping die positioning device for punch press. BACKGROUND

[0002] The stamping die positioning device is a mechanical or mechatronic device installed on the punch press, which is used to ensure accurate alignment of the die during the stamping process and fix its position to ensure the dimensional accuracy and consistency of the stamped parts.

[0003] However, the conventional stamping die positioning device relies on threaded rod mechanical adjustment or fixed clamping groove, which has problems such as complicated adjustment, poor universality, and inconvenient disassembly.

[0004] Patent document CN221790764U discloses a stamping die positioning device for punch press, which realizes positioning and installation of the stamping die on the punch press, and facilitates disassembly and replacement of the fixing rod to different heights by setting the clamping groove and the clamping block, thereby being applicable to stamping dies of different sizes and improving the applicability.

[0005] In summary, the above-mentioned patent sets the clamping groove and the clamping block to disassemble and replace the fixing rod to different heights, but most stamping die positioning devices rely on threaded rod mechanical adjustment or fixed clamping groove disassembly.

[0006] Therefore, the present application provides a stamping die positioning device for punch press, which can realize rapid positioning and self-adaptive clamping of the stamping die, and improve the vertical and horizontal accuracy of the die. SUMMARY

[0007] The utility model aims at providing a stamping die positioning device for punch press to solve the technical problems of the conventional stamping die positioning device, such as difficulty in quickly adapting to dies of different sizes, complicated positioning and clamping process, low efficiency, and difficulty in ensuring the levelness and height consistency of the die.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a stamping die positioning device for punch press, comprising a base, a positioning mechanism, an auxiliary positioning mechanism, and a release mechanism, wherein the top of the outer wall of the base is provided with T-shaped guide rail grooves distributed in parallel, the bottom of the positioning mechanism is provided with a sliding block embedded in the T-shaped guide rail groove, and the auxiliary positioning mechanism is distributed at the four corners of the base.

[0009] The positioning mechanism comprises a sliding base and a fixed base, the fixed base is detachably connected with the sliding base by bolts, the outer wall bottom end of the sliding base is provided with a sliding block matched with the T-shaped guide rail groove, and the outer wall top end of the sliding base is fixedly connected with a clamping arm.

[0010] Preferably, the positioning mechanism is symmetrically fixed with clamping arms on both sides of the outer wall, the clamping arms are fixed with releasing mechanisms on the outer wall side, the middle part of the positioning mechanism is vertically penetrated by a locking assembly, and the outer wall bottom end of the locking assembly contacts the T-shaped guide rail groove.

[0011] Preferably, the outer wall top end of the auxiliary positioning mechanism is provided with a liftable support column.

[0012] Preferably, the clamping arm is composed of two groups of symmetric L-shaped spring steel sheets, one end of the spring steel sheet is provided with a rivet fixed to the outer wall top end of the sliding base, the other end of the spring steel sheet extends inward to form a clamping end, and the inner side of the clamping end is provided with an antiskid rubber layer.

[0013] Preferably, the locking assembly comprises an adjusting bolt and a friction pad, the adjusting bolt vertically penetrates the sliding base and contacts the outer wall side of the T-shaped guide rail groove, and the friction pad is arranged at the tail end of the adjusting bolt.

[0014] Preferably, the auxiliary positioning mechanism comprises a support column and a threaded adjusting rod, the outer wall top end of the support column is a hemispherical positioning head, the bottom of the support column is provided with a threaded adjusting rod connected with the base, the threaded adjusting rod penetrates the base and is provided with an adjusting hand wheel.

[0015] Preferably, a linkage connecting rod is connected between the clamping end and the manual lever, the manual lever and the linkage connecting rod constitute the releasing mechanism, and the manual lever is hinged to the outer wall side of the clamping arm.

[0016] Preferably, the T-shaped guide rail groove in the base is provided with a scale.

[0017] Preferably, the bolts connected between the fixed base and the sliding base limit the transverse displacement of the sliding base in the T-shaped guide rail groove.

[0018] Preferably, the adjusting bolt drives the friction pad to contact the inner wall of the T-shaped guide rail groove, and the releasing mechanism and the clamping arm are linked by the mechanical lever principle.

[0019] Compared with the prior art, the utility model has the advantages that:

[0020] 1. The positioning mechanism, the clamping arm and the releasing mechanism are installed, the rapid positioning and self-adaptive clamping of the stamping die are realized, the traditional stamping die positioning device is difficult to quickly adapt to different size dies, the positioning and clamping process is complicated and low in efficiency, the die installation and debugging time is reduced, the overall efficiency of stamping production is improved, and the self-adaptive elastic clamping mode can better protect the die surface.

[0021] 2. The utility model discloses through install locking assembly, realized the levelness and height accuracy of mould in vertical direction, solved the problem of low positioning accuracy of traditional stamping die positioning device, difficult to guarantee mould levelness and height consistency, adjustable support column can adapt to mould of different thickness and levelness requirement, enhanced the versatility and adaptability of positioning device. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the front view structure schematic diagram of the utility model;

[0023] Figure 2 It is the section structure schematic diagram of the utility model;

[0024] Figure 3 It is the locking assembly structure schematic diagram of the utility model.

[0025] In the drawing: 1, base;2, positioning mechanism;3, auxiliary positioning mechanism;4, release mechanism;5, spring steel sheet;6, locking assembly;7, adjusting bolt;8, friction gasket;9, clamping arm;10, threaded adjusting rod;11, T-shaped guide rail groove;12, support column;13, sliding base;14, fixed base;15, adjusting hand wheel;16, manual lever;17, linkage connecting rod;18, clamping end;19, scale ruler. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings of the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0027] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore can not be understood as limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and can not be understood as indicative or suggestive of relative importance.

[0028] In the description of the utility model, it is necessary to explain that, unless there are explicit provisions and limitations, the terms "installation", "setting", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be direct connection, can also be indirectly connected through intermediate media, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0029] Please refer to Figure 1 、 Figure 2 And Figure 3 An embodiment provided by the utility model: a stamping die positioning device for a punch press, comprising base 1, positioning mechanism 2, auxiliary positioning mechanism 3 and release mechanism 4, the outer wall top of base 1 is provided with parallelly distributed T-shaped guide rail grooves 11, the bottom of positioning mechanism 2 is provided with a sliding block and is embedded in T-shaped guide rail groove 11, auxiliary positioning mechanism 3 is distributed at the four corners of base 1;Positioning mechanism 2 comprises sliding base 13 and fixed base 14, fixed base 14 is detachably connected with sliding base 13 by setting bolts, the outer wall bottom end of sliding base 13 is provided with a sliding block matched with T-shaped guide rail groove 11, and the outer wall top end of sliding base 13 is fixedly connected with clamping arm 9;

[0030] Clamping arm 9 is composed of two groups of symmetrical L-shaped spring steel sheets 5, one end of spring steel sheet 5 is provided with a rivet fixedly installed on the outer wall top end of sliding base 13, the other end of spring steel sheet 5 extends inward to form clamping end 18, and an antiskid rubber layer is arranged on the inner side of clamping end 18;

[0031] The outer wall two sides of positioning mechanism 2 are fixedly installed with clamping arm 9, the outer wall side of clamping arm 9 is fixedly installed with release mechanism 4, locking assembly 6 penetrates through the middle of positioning mechanism 2 perpendicularly, and the outer wall bottom end of locking assembly 6 contacts T-shaped guide rail groove 11;

[0032] Specifically, first, base 1 is fixedly installed on the workbench surface of the punch press, T-shaped guide rail grooves 11 are parallelly distributed and the spacing is set according to the size of the die, positioning mechanism 2 is slid along guide rail groove 11, and sliding base 22 is moved to the set position by embedding the sliding block 21 in the groove.

[0033] Then, rotate four-corner adjusting hand wheels 15, drive threaded adjusting rods 10 to lift support columns 12, until the hemispherical positioning head contacts the die bottom surface, then, tighten adjusting bolts 7 of locking assembly 6, so that friction gasket 8 is pressed against the inner wall of T-shaped guide rail groove 11, and the position of sliding base 13 is fixed;

[0034] Finally, the mold is placed between the clamping ends 18 of the elastic clamping arm 9, the spring steel sheet 5 is automatically clamped by elastic deformation, the anti-skid rubber layer enhances the friction, and the bolt of the fixed base 14 is loosened, the sliding base 13 is moved transversely to the specified position of the scale ruler 19, and then locked.

[0035] Please refer to Figure 1 、 Figure 2 and Figure 3 , the utility model provides a kind of stamping die positioning device for punch press: the outer wall top of auxiliary positioning mechanism 3 is provided with liftable support column 12;

[0036] The locking assembly 6 includes an adjusting bolt 7 and a friction pad 8, the adjusting bolt 7 vertically penetrates the sliding base 13 and contacts the outer wall side of the T-shaped guide rail groove 11, and the friction pad 8 is arranged at the end of the adjusting bolt 7;

[0037] The auxiliary positioning mechanism 3 includes a support column 12 and a threaded adjusting rod 10, the outer wall top of the support column 12 is a hemispherical positioning head, the bottom of the support column 12 is provided with a threaded adjusting rod 10 connected with the base 1, the threaded adjusting rod 10 penetrates the base 1 and is provided with an adjusting hand wheel 15;

[0038] The adjusting bolt 7 drives the friction pad 8 to contact the inner wall of the T-shaped guide rail groove 11, and the release mechanism 4 and the clamping arm 9 are linked by the principle of mechanical lever;

[0039] The clamping end 18 is connected with the linkage connecting rod 17 between the manual lever 16, and the manual lever 16 and the linkage connecting rod 17 constitute the release mechanism 4, and the manual lever 16 is hinged to the outer wall side of the clamping arm 9;The T-shaped guide rail groove 11 of the base 1 is provided with a scale ruler 19;The bolt connected between the fixed base 14 and the sliding base 13 cooperates to limit the transverse displacement of the sliding base 13 in the T-shaped guide rail groove 11;

[0040] Specifically, first, press the manual lever 16 of the release mechanism 4, drive the clamping end 18 to open outward through the linkage connecting rod 17 to form a taking and placing space, and take out the old mold;

[0041] Then, place the mold on the support column 12 of the auxiliary positioning mechanism 3, rotate the adjusting hand wheel 15 until preliminary leveling, push the positioning mechanism 2 along the T-shaped guide rail groove 11 to the target position, combine the value of the scale ruler 19, and tighten the adjusting bolt 7 to lock;

[0042] Finally, loosen the manual lever 16, the spring steel sheet 5 of the elastic clamping arm 9 automatically resets, the clamping end 18 tightly contacts the side wall of the mold to complete fixation, when adjusting multiple stations in batches, the above steps need to be repeated, and different mold sizes are adapted by modular design.

[0043] The working principle is that firstly, the positioning mechanism 2 is matched with the sliding base 13 through the T-shaped guide groove 11 of the base 1, the sliding block at the bottom of the sliding base 13 is embedded into the T-shaped guide groove 11, the fixed base 14 connected through bolts limits the transverse displacement, then the anti-skid rubber layer at the end of the L-shaped spring steel sheet 5 is clamped to the side wall of the elastic clamping die, the adjusting bolt 7 drives the friction gasket 8 to press the inner wall of the T-shaped guide groove 11, and the position of the sliding base 13 is further fixed; the height of the liftable supporting column 12 is adjusted through the threaded adjusting rod 10, and the four corners of the base 1 are matched and distributed;

[0044] Finally, when the die is released, the manual lever 16 is operated, the clamping arm 9 is driven to be opened outward through the mechanical lever principle of the linkage connecting rod 17, the clamping to the die is released, and the disassembly is completed.

[0045] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

Claims

1. A punch press die positioning apparatus for a punch press, characterized by: The utility model relates to a kind of positioning device, including base (1), positioning mechanism (2), auxiliary positioning mechanism (3) and release mechanism (4), the outer wall top of the base (1) is provided with the T-shaped guide rail groove (11) of parallel distribution, the bottom of the positioning mechanism (2) is provided with slider and is embedded in T-shaped guide rail groove (11), the auxiliary positioning mechanism (3) is distributed in the four corners of base (1); The positioning mechanism (2) includes a sliding base (13) and a fixed base (14), the fixed base (14) is detachably connected with the sliding base (13) by bolts, the outer wall bottom end of the sliding base (13) is provided with a slider matched with the T-shaped guide rail groove (11), and the outer wall top end of the sliding base (13) is fixedly connected with a clamping arm (9).

2. A punch positioning device for a punch press as defined in claim 1, wherein: The outer wall of the positioning mechanism (2) is symmetrically fixed with the clamping arm (9) on both sides, the clamping arm (9) is fixedly installed with the release mechanism (4) on the outer wall side, the locking assembly (6) penetrates through the middle of the positioning mechanism (2) vertically, and the outer wall bottom end of the locking assembly (6) contacts the T-shaped guide rail groove (11).

3. The punch positioning apparatus for a punch press as set forth in claim 1, wherein: The outer wall top end of the auxiliary positioning mechanism (3) is provided with a liftable support column (12).

4. The punch positioning apparatus for a punch press as set forth in claim 1, wherein: The clamping arm (9) is composed of two groups of symmetrical L-shaped spring steel sheets (5), one end of the spring steel sheet (5) is fixedly installed on the outer wall top end of the sliding base (13) by rivets, the other end of the spring steel sheet (5) extends inward to form a clamping end (18), and the inner side of the clamping end (18) is provided with an anti-skid rubber layer.

5. The punch positioning apparatus for a punch press as set forth in claim 2, wherein: The locking assembly (6) includes an adjusting bolt (7) and a friction pad (8), the adjusting bolt (7) penetrates through the sliding base (13) vertically and contacts the outer wall side of the T-shaped guide rail groove (11), and the friction pad (8) is arranged at the end of the adjusting bolt (7).

6. The punch positioning apparatus for a punch press as set forth in claim 1, wherein: The auxiliary positioning mechanism (3) includes a support column (12) and a threaded adjusting rod (10), the outer wall top end of the support column (12) is a hemispherical positioning head, the bottom of the support column (12) is connected with the base (1) by the threaded adjusting rod (10), the threaded adjusting rod (10) penetrates through the base (1) and is provided with an adjusting hand wheel (15).

7. The punch positioning apparatus for a punch press as set forth in claim 4, wherein: The clamping end (18) is connected with a linkage connecting rod (17) between the manual lever (16), and the manual lever (16) and the linkage connecting rod (17) constitute the release mechanism (4), and the manual lever (16) is hinged to the outer wall side of the clamping arm (9).

8. The punch positioning apparatus for a punch press as set forth in claim 1, wherein: The T-shaped guide rail groove (11) of the base (1) is provided with a scale (19) inside.

9. The punch positioning apparatus for a punch press as set forth in claim 1, wherein: The bolt connected between the fixed base (14) and the sliding base (13) limits the transverse displacement of the sliding base (13) in the T-shaped guide rail groove (11).

10. The punch positioning apparatus for a punch press as set forth in claim 5, wherein: The adjusting bolt (7) drives the friction pad (8) to contact the inner wall of the T-shaped guide rail groove (11), and the release mechanism (4) and the clamping arm (9) are linked by the principle of mechanical lever.

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