CN217552571U - Lower mould sword of removable die-cut blade - Google Patents

Abstract

The utility model discloses a lower die blade with a replaceable punching cutting edge, which comprises a base, a lower die holder and a punching blade, wherein the top of the base is rotatably connected with the lower die holder; the utility model discloses a punching blade passes through connecting block sliding connection in the mounting groove inner wall, the screw rotation of seting up through fastening nut bottom end periphery is connected in the spacing inslot wall, run through the spacing groove in proper order until fastening nut top stopper, the laminating of connecting block top extension to die holder upper surface department is cruciform structure, thereby realized that the opposite punching blade is fixed with the quick locking of die holder, die holder top department is put into through treating die-cut material, the locating piece passes through damping spring and is connected with the transmission of constant head tank inner wall, thereby avoid punching blade and material extrusion force too big, damage punching blade, die-cut sharpening loss and life have been accelerated.

Description

Lower mould sword of removable die-cut blade

Technical Field

The utility model relates to a digit control machine tool processing technology field specifically is a lower mould sword of removable die-cut blade.

Background

With the continuous development of the mold industry, most of common molds are cut by a numerical control machine to form a prototype, a punching cutting edge fixedly mounted on a lower mold edge applied to the numerical control machine is used for cutting materials to form the materials with a certain specification in the process, the frequency of application of cutting the punching cutting edge is high, the requirements on high-stress working occasions such as a trimming cutting edge are particularly strict, the trimming cutting edge is easy to break and break due to insufficient strength, and therefore the punching cutting edge on the lower mold edge needs to be replaced regularly.

The frequency of changing is higher to punching cutting edge on the lower mould sword among the prior art, and traditional die-cut blade installation is comparatively loaded down with trivial details with changing, direct influence machining efficiency, does not have buffer gear to die-cut blade and lower mould sword installation simultaneously, directly strikes with the material, great reduction life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lower mould sword of removable die-cut blade to solve traditional die-cut blade installation and change comparatively loaded down with trivial details, directly influence machining efficiency and with the direct impact of material, great reduction life's problem.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a lower mould sword of removable die-cut blade, includes base, die holder, die-cut sword, the base top is rotated and is connected with the die holder, die holder top demountable installation has the die-cut sword, die holder top both sides all rotate and are connected with fastening nut, the equal fixedly connected with torsion spring in die holder bottom both sides, the constant head tank has all been seted up to four interior angles in die holder top, constant head tank inner wall bottom fixedly connected with damping spring, damping spring top fixedly connected with locating piece, the fastening nut top is rotated and is connected with the stopper.

Preferably, the base top center department fixedly connected with supporting shoe, the mounting groove has been run through to die-cut sword bottom fixedly connected with connecting block in one side of die-cut die holder, the die-cut top both sides of die holder all run through to have seted up the spacing groove.

Preferably, the lower die holder is rotatably connected to the top end of the supporting block, the mounting groove and the connecting block are both in a convex structure, and the punching blade is slidably connected to the inner wall of the mounting groove through the connecting block.

Preferably, the locating piece is spherical structure, and the locating piece is elastic structure, the locating piece with constant head tank inner wall top is clearance fit, spacing groove run-through connecting block top interior angle department extends to the die holder bottom.

Preferably, torsion spring is the toper structure, and torsion spring bottom one end fixed connection in fastening nut bottom is peripheral, the stopper bottom surface with die holder top face is laminated mutually, the spacing groove with the stopper is the cruciform structure, and the spacing groove with the stopper inner wall is clearance fit.

Preferably, the periphery of the bottom end of the fastening nut is provided with an external thread, and the length of the external thread is half of the length of the thread of the inner wall of the limiting groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a punching sword passes through connecting block sliding connection in the mounting groove inner wall, the screw thread rotation of seting up through fastening nut bottom end periphery is connected in the spacing inslot wall, run through the spacing groove in proper order until fastening nut top stopper, the connecting block top extends to die holder upper surface department laminating and is the cruciform structure, toper torque spring is in compression state this moment, thereby realized that counterpunch sword and die holder lock fast and fix, when dismantling and change the punching sword, through rotating stopper and spacing inslot wall coincidence, lightly rotate fastening nut, make fastening nut peripheral screw thread and spacing inslot wall screw thread break away from, torque spring release elasticity, break away from fastening nut and the stopper on top to the connecting block bottom, take out punching sword and connecting block and can accomplish the change, avoid traditional punching sword to pass through the bolt, nut fixed mounting and dismantlement waste time and energy, traditional punching sword installation and comparatively loaded down with trivial details problem of change have been solved.

The utility model discloses a to treat die-cut material and put into die holder top department, the locating piece passes through damping spring and is connected with the transmission of constant head tank inner wall to avoid die-cut sword too big with the material extrusion force, damage die-cut sword, accelerated die-cut sharpening loss and life, solved to die-cut blade and lower mould sword installation have no buffer gear, with the direct impact of material, great reduction life's problem.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a schematic view of a part of the enlarged structure at B in fig. 2.

In the figure: 1. a base; 2. a lower die holder; 3. punching and cutting edges; 4. a supporting block; 5. mounting grooves; 6. connecting blocks; 7. fastening a nut; 8. a torsion spring; 9. positioning a groove; 10. a damping spring; 11. positioning blocks; 12. a limiting groove; 13. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a lower mould sword of removable die-cut blade, the on-line screen storage device comprises a base 1, die holder 2, die-cut sword 3, 1 top of base is rotated and is connected with die holder 2, 2 top demountable installation of die holder have die-cut sword 3, 2 top both sides of die holder all rotate and are connected with fastening nut 7, 2 bottom both sides of die holder equal fixedly connected with torque spring 8, four interior angle departments at 2 tops of die holder have all seted up constant head tank 9, constant head tank 9 inner wall bottom fixedly connected with damping spring 10, damping spring 10 top fixedly connected with locating piece 11, 7 tops of fastening nut rotate and are connected with stopper 13.

Wherein, 1 top center fixedly connected with supporting shoe 4 of base, die holder 2 one side is run through and has been seted up mounting groove 5, 3 bottom fixedly connected with connecting blocks 6 of die-cut sword, 2 top both sides of die holder all run through and have been seted up spacing groove 12, die holder 2 rotates and connects in 4 top ends of supporting shoe, mounting groove 5 is the type structure of dogging with connecting block 6, die-cut sword 3 passes through connecting block 6 sliding connection in 5 inner walls of mounting groove.

Wherein, locating piece 11 is spherical structure, and locating piece 11 is elastic construction, locating piece 11 is clearance fit with 9 inner wall tops of constant head tank, 6 top interior angle departments of limiting groove through connection piece 12 extend to the 2 bottoms of die holder, torque spring 8 is the toper structure, and 8 bottom one end fixed connection of torque spring are peripheral in fastening nut 7 bottom, stopper 13 bottom surface is laminated mutually with 2 top faces of die holder, limiting groove 12 is the cruciform structure with stopper 13, and limiting groove 12 is clearance fit with stopper 13 inner wall, the external screw thread has been seted up to 7 bottom peripheries of fastening nut, and external screw thread length is half of limiting groove 12 inner wall thread length.

Wherein, die-cut sword 3 passes through 6 sliding connection of connecting block in 5 inner walls of mounting groove, and the screw thread rotation of seting up through 7 bottom end peripheries of fastening nut is connected in spacing groove 12 inner walls, runs through spacing groove 12, the laminating of connecting block 6 tops extension to 2 upper surfaces of die holder is the cruciform structure up to 7 top stoppers 13 of fastening nut in proper order, and toper torque spring 8 is in compression state this moment to it is fixed with 2 quick locks of die holder to have realized counterpunching sword 3.

Wherein, when dismantling and changing die-cut sword 3, through rotating stopper 13 and the coincidence of spacing groove 12 inner wall, light fastening nut 7 that rotates for 7 peripheral screw threads of fastening nut break away from with 12 inner wall screw threads of spacing groove, torque spring 8 releases elasticity, breaks away from fastening nut 7 and the stopper 13 on top to connecting block 6 bottom, takes out die-cut sword 3 and connecting block 6 and can accomplish the change, avoids traditional die-cut sword 3 to pass through the bolt, nut fixed mounting and dismantlement waste time and energy.

Wherein, will wait that die-cut material puts into die holder 2 top department, locating piece 11 is connected with the transmission of constant head tank 9 inner wall through damping spring 10 to avoid die-cut sword 3 too big with the material extrusion force, damage die-cut sword 3, accelerated die-cut 3 wearing and tearing of sword and life.

The working principle is as follows: when the device is used, firstly, the punching blade 3 is connected to the inner wall of the mounting groove 5 in a sliding mode through the connecting block 6, the thread which is arranged on the periphery of the bottom end of the fastening nut 7 is connected to the inner wall of the limiting groove 12 in a rotating mode, the limiting block 13 sequentially penetrates through the limiting groove 12 until the top end of the fastening nut 7, the top of the connecting block 6 extends to the upper surface of the lower die holder 2 to be attached to form a cross-shaped structure, at the moment, the conical torque spring 8 is in a compression state, the punching blade 3 and the lower die holder 2 are locked and fixed quickly, then, a material to be punched is placed at the top of the lower die holder 2, the positioning block 11 is connected with the inner wall of the positioning groove 9 through the damping spring 10 in a transmission mode, the situation that the punching blade 3 is too large in material extrusion force is avoided, the punching blade 3 is damaged, the material at the top is punched through the punching blade 3, finally, when the punching blade 3 is dismounted and replaced, the punching blade 13 is superposed with the inner wall of the limiting groove 12 through rotating the limiting block 13, the fastening nut 7 is rotated lightly, the peripheral thread of the fastening nut 7 is separated from the inner wall of the connecting block 6, time and labor are avoided, the bolt dismounting and the mounting process of the traditional bolt dismounting and the mounting is avoided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a lower mould sword of removable die-cut blade, includes base (1), die holder (2), die-cut sword (3), its characterized in that: base (1) top is rotated and is connected with die holder (2), die holder (2) top demountable installation has die cutting sword (3), die holder (2) top both sides are all rotated and are connected with fastening nut (7), the equal fixedly connected with torque spring (8) in die holder (2) bottom both sides, constant head tank (9) have all been seted up to four interior angle departments in die holder (2) top, constant head tank (9) inner wall bottom fixedly connected with damping spring (10), damping spring (10) top fixedly connected with locating piece (11), fastening nut (7) top is rotated and is connected with stopper (13).

2. A lower cutting edge replaceable cutting edge according to claim 1, characterized in that: the die cutting machine is characterized in that a supporting block (4) is fixedly connected to the center of the top of the base (1), a mounting groove (5) is formed in one side of the lower die holder (2) in a penetrating mode, a connecting block (6) is fixedly connected to the bottom of the punching blade (3), and limiting grooves (12) are formed in two sides of the top of the lower die holder (2) in a penetrating mode.

3. A lower die edge with a replaceable cutting edge according to claim 2, wherein: the lower die holder (2) is rotatably connected to the top end of the supporting block (4), the mounting groove (5) and the connecting block (6) are of a convex structure, and the punching blade (3) is slidably connected to the inner wall of the mounting groove (5) through the connecting block (6).

4. A lower die edge with a replaceable cutting edge according to claim 3, wherein: locating piece (11) are spherical structure, and locating piece (11) are elastic construction, locating piece (11) with constant head tank (9) inner wall top is clearance fit, spacing groove (12) run through connecting block (6) top interior angle department extends to die holder (2) bottom.

5. A lower cutting edge replaceable cutting edge according to claim 4, wherein: torsion spring (8) are the toper structure, and torsion spring (8) bottom one end fixed connection in fastening nut (7) bottom is peripheral, stopper (13) bottom surface with die holder (2) top face is laminated mutually, spacing groove (12) with stopper (13) are the cruciform structure, and spacing groove (12) with stopper (13) inner wall is clearance fit.

6. A lower die edge with replaceable cutting edge according to claim 5, wherein: the outer thread is arranged on the periphery of the bottom end of the fastening nut (7), and the length of the outer thread is half of that of the inner wall of the limiting groove (12).

Images