CN110947822A

CN110947822A - Tapered wedge mechanism and trimming die

Info

Publication number: CN110947822A
Application number: CN201911142001.9A
Authority: CN
Inventors: 魏晴; 季明其; 杨加华
Original assignee: Jouder Precision Industry Kunshan Co ltd
Current assignee: Jouder Precision Industry Kunshan Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-04-03

Abstract

The invention relates to a wedge mechanism and a trimming and punching die, and belongs to the technical field of die processing. The wedge mechanism comprises a wedge base, a wedge sliding block, a wedge driving block and a wedge self-locking device, wherein a sliding surface is arranged on the wedge base, and the wedge sliding block can slide along the sliding surface under the driving of the wedge driving block; one end of the sliding surface is provided with a limiting bulge, and the other end of the sliding surface is provided with the wedge self-locking device; the wedge self-locking device comprises a fixed seat and a locking block, and a sliding groove for the locking block to slide is formed in the fixed seat; in a locking state, the locking block partially extends out of the fixed seat and protrudes out of the sliding surface; in an unlocking state, the locking block is retracted into the fixed seat and at least does not protrude out of the sliding surface; the invention provides a tapered wedge mechanism and a trimming and punching die, wherein a tapered wedge sliding block is convenient to disassemble and assemble and convenient to maintain, and the tapered wedge mechanism is beneficial to prolonging the maintenance period and the service life of equipment.

Description

Tapered wedge mechanism and trimming die

Technical Field

The invention relates to a wedge mechanism and a trimming and punching die, and belongs to the technical field of die processing.

Background

The wedge mechanism is used as an important lateral punching implementation mechanism, is widely applied to a punching die, needs frequent maintenance in daily use, and is more important in maintenance of the punching die; the existing wedge mechanism needs to dismantle the baffle of the wedge and take out the slide block of the wedge for maintenance, so the baffle of the wedge is frequently dismantled and assembled; the disassembly and the assembly of the staff are inconvenient, and the production line consumes much labor and time during operation; and because the maintenance period is short, the fixed baffle needs to be frequently assembled and disassembled, the abrasion of the bolt and the bottom hole thread is aggravated, and the service life of the workpiece is shortened.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a tapered wedge mechanism and a trimming and punching die.

In order to achieve the purpose, the invention provides a wedge mechanism which comprises a wedge base, a wedge sliding block, a wedge driving block and a wedge self-locking device, wherein a sliding surface is arranged on the wedge base, and the wedge sliding block can slide along the sliding surface under the driving of the wedge driving block; one end of the sliding surface is provided with a limiting bulge, and the other end of the sliding surface is provided with the wedge self-locking device; the wedge self-locking device comprises a fixed seat and a locking block, and a sliding groove for the locking block to slide is formed in the fixed seat; in a locking state, the locking block partially extends out of the fixed seat and protrudes out of the sliding surface; under the unlocking state, the locking block is contracted into the fixed seat and at least does not protrude out of the sliding surface.

Furthermore, a spring is also arranged in the fixed seat; and in a locking state, the locking block keeps protruding out of the sliding surface under the action of the elastic force of the spring.

Furthermore, be equipped with the stroke stopper on the locking piece, be equipped with the groove of stepping down in the fixing base, the spring support is between stroke stopper and the inslot wall of stepping down.

Furthermore, the locking piece includes direction section and screens section, the stroke stopper is located direction section and screens section transitional coupling department.

Further, the spout includes the stroke groove that can make screens section slide and pass through and can make the sliding fit groove that the direction section slided and pass through.

Further, the wedge mechanism still includes the handle, still set up on the fixing base with the hole that slides that the spout link up, the handle runs through slide the hole and be connected with the locking piece to control the locking piece and slide.

Further, the wedge mechanism also comprises a cover plate fixed on the fixed seat, and the cover plate at least can cover the sliding groove.

Furthermore, the fixing seat is fixed on the wedge base through a fixing screw penetrating through the fixing seat and the cover plate, and the side face of the fixing seat is at least not higher than the sliding face.

Furthermore, the cover plate is fixed on the fixed seat through a countersunk head screw.

The embodiment of the invention also provides a trimming and punching die which comprises the wedge mechanism.

Compared with the prior art, the invention has the following beneficial effects:

under the locking state, a locking block in the wedge self-locking device can protrude out of the sliding surface and is matched with the limiting protrusion to limit the sliding stroke of the wedge sliding block in the sliding surface; when the slide wedge slider need take out to maintain or change, the lock piece among the slide wedge self-locking device can contract to the fixing base in, does not bulge in the glide plane at least to make the slide wedge slider can follow the glide plane roll-off, do not have loaded down with trivial details dismouting process, can reduce the wearing and tearing of assembly work piece and man-hour of operation, help prolonging the life of slide wedge mechanism.

Drawings

FIG. 1 is a schematic perspective view of a cam mechanism according to an embodiment of the present invention;

fig. 2 is a schematic perspective exploded view of a wedge self-locking device and a cover plate of a wedge mechanism according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a wedge self-locking device provided in an embodiment of the present invention.

Description of reference numerals: the slide block type wedge mechanism comprises a 1-wedge base, a 2-wedge sliding block, a 3-wedge driving block, a 4-wedge self-locking device, a 5-sliding surface, a 6-limiting protrusion, a 7-fixing seat, an 8-locking block, a 9-sliding groove, a 10-spring, an 11-stroke limiting block, a 12-abdicating groove, a 13-guiding section, a 14-clamping section, a 15-stroke groove, a 16-sliding groove, a 17-handle, an 18-sliding hole, a 19-cover plate, a 20-fixing screw and a 21-countersunk screw.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in the attached drawings, the wedge mechanism comprises a wedge base 1, a wedge sliding block 2, a wedge driving block 3 and a wedge self-locking device 4, wherein a sliding surface 5 is arranged on the wedge base 1, and the wedge sliding block 2 can slide along the sliding surface 5 under the driving of the wedge driving block 3; one end of the sliding surface 5 is provided with a limiting bulge 6, and the other end of the sliding surface is provided with the wedge self-locking device 4; the wedge self-locking device 4 comprises a fixed seat 7 and a locking block 8, and a sliding groove 9 for the locking block 8 to slide is formed in the fixed seat 7; in a locking state, the part of the locking block 8 extends out of the fixed seat 7 and protrudes out of the sliding surface 5 so as to prevent the wedge sliding block 2 from sliding out; under the unblock state, locking piece 8 contracts in fixing base 7, at least not in the protrusion in glide plane 5 to slide wedge slider 2 takes out.

The wedge mechanism provided by the embodiment of the invention is provided with the wedge self-locking device, and under a locking state, a locking block 8 in the wedge self-locking device can protrude out of the sliding surface 5 and is matched with the limiting protrusion 6 to limit the sliding stroke of the wedge sliding block 2 in the sliding surface 5; when the wedge sliding block 2 needs to be taken out for maintenance or replacement, the locking block 8 in the wedge self-locking device can be retracted into the fixed seat 7 and at least does not protrude out of the sliding surface 5, so that the wedge sliding block 2 can slide out along the sliding surface 5, and tedious dismounting and mounting procedures (such as a bolt and baffle dismounting and mounting procedure in the prior art) do not exist, abrasion of an assembly workpiece can be reduced, and the service life of the wedge mechanism is prolonged.

In one embodiment, a spring 10 is further disposed in the fixed seat 7; under the locking state, even if no external force action exists, the spring 10 can also enable the locking block 8 to keep protruding the sliding surface 5 through self reaction force so as to prevent the wedge sliding block from sliding out, and the structure is simple and reliable. It should be understood that the elastic force of the spring 10 may be a repulsive force generated when the spring 10 is compressed, or may be a repulsive force generated when the spring 10 is extended. Therefore, correspond an embodiment, be equipped with stroke stopper 11 on the locking piece 8, be equipped with the groove of stepping down 12 in the fixing base 7, locking piece 8 can drive stroke stopper 11 and slide along the groove of stepping down 12, nevertheless receives stroke stopper 11 to restrict, and locking piece 8 can not follow the slip direction and step down groove 12 roll-off. As shown in fig. 3, the spring 10 may be disposed in the receding groove 12, and supported between the stroke limiting block 11 and the left inner wall of the receding groove 12, when the locking block 8 slides to the rightmost side, the spring 10 should be in a compressed state, and the locking block 8 is kept at a position protruding from the sliding surface 5 by the reverse thrust of the spring 10. But not limited to this, spring 10 also can be connected between the right side inner wall of stroke stopper 11 and groove 12 of stepping down, and under the spring 10 free state, locking piece 8 just can keep in the position of protrusion in glide plane 5, when needs unblock take out/put into slide wedge slider 2, slide locking piece 8 left until locking piece 8 no longer protrusion in the glide plane can, spring 8 is in tensile state this moment, and locking piece 8 can utilize spring 10's resilience power to reset.

In one embodiment, the locking block 8 comprises a guide section 13 and a clamping section 14, and the stroke limiting block 11 is arranged at the transition connection position of the guide section 13 and the clamping section 14; correspondingly, the sliding groove 9 comprises a stroke groove 15 which can enable the clamping section 14 to slide through and a sliding matching groove 16 which can enable the guide section 13 to slide through; the stroke groove 15 and the sliding fit groove 16 are communicated with the outside of the fixed seat. When the locking block 8 slides, the guide section 13 slides along the sliding matching groove 16 and can be used for guiding the locking block 8 to slide; the clamping section 14 slides along the stroke groove 15, can extend out of the fixed seat 7, and can block the wedge sliding block 2 from sliding out when protruding out of the sliding surface 5.

In an embodiment, the wedge mechanism further includes a handle 17, the fixing base 7 is further provided with a sliding hole 18 penetrating through the sliding groove 9, and the handle 17 penetrates through the sliding hole 18 and is connected with the locking block 8 to control the locking block 8 to slide. Slide hole 18 is waist shape in this embodiment, extends to set up along locking piece 8 slip direction, can play the direction effect that slides to handle 17, and handle 17's effect makes things convenient for operating personnel to change the position of locking piece in the outside operation. But not limited thereto, as an improvement and a modification of this embodiment, the handle may also be in transmission connection with the locking block 8 through a gear pair, specifically: set up the gear on the handle, the configuration is with gear engaged with rack on the locking piece 8, and drive gear rotates through rotating the handle to drive the locking piece and slide to the specified direction, the drive structure of gear pair has stronger load-carrying capacity.

In an embodiment, the wedge mechanism further includes a cover plate 19 fixed on the fixing seat 7, and the cover plate 19 can at least cover the sliding groove 9, so that each component in the fixing seat 7 is relatively isolated and sealed, each component in the fixing seat is protected, interference of an external environment on the internal component is reduced, the service life is prolonged, and the reliability is improved.

The fixed seat 7 is fixed on the wedge base 1 through a fixing screw 20 penetrating through the fixed seat 7 and the cover plate 19, and the side surface of the fixed seat 7 is at least not higher than the sliding surface 5;

during installation, the cover plate 19 is connected with the fixed seat 7 to form an independent wedge self-locking device, and then the wedge self-locking device is connected with the wedge base 1, but the side face of the fixed seat 7 does not exceed the sliding face 5 to ensure that the wedge sliding block can slide out;

the wedge mechanism provided by the embodiment of the invention does not need to be frequently disassembled, so that the influence on structural strength caused by part abrasion due to frequent disassembly is effectively avoided; the embedded design is adopted among all the parts, and baffle screws do not need to be repeatedly disassembled, so that the novel combined type screw retaining plate can be used in a narrow space, and the space utilization rate is improved.

In one embodiment, the cover plate 19 is fixed on the fixed seat 7 by a countersunk head screw 21; during the assembly, can set up apron 19 between fixing base 7 and slide wedge base 1, countersunk screw 21 can make apron 19 closely laminate with slide wedge base 1, strengthens the wholeness of structure, makes the structure compacter.

The die repairing and punching tool provided by the embodiment of the invention can remove or install the wedge sliding block under the condition of not detaching the screw, thereby avoiding production accidents caused by the fact that the wedge sliding block falls out when the die is produced because the baffle plate screw is not fastened; the wedge mechanism is used for repairing the stamping die without frequently disassembling and assembling the wedge, so that the wedge mechanism is simple and convenient to use, time-saving and labor-saving, and can prolong the maintenance period and prolong the service life.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A tapered wedge mechanism is characterized by comprising a tapered wedge base, a tapered wedge sliding block, a tapered wedge driving block and a tapered wedge self-locking device, wherein a sliding surface is arranged on the tapered wedge base, and the tapered wedge sliding block can slide along the sliding surface under the driving of the tapered wedge driving block; one end of the sliding surface is provided with a limiting bulge, and the other end of the sliding surface is provided with the wedge self-locking device; the wedge self-locking device comprises a fixed seat and a locking block, and a sliding groove for the locking block to slide is formed in the fixed seat; in a locking state, the locking block partially extends out of the fixed seat and protrudes out of the sliding surface; under the unlocking state, the locking block is contracted into the fixed seat and at least does not protrude out of the sliding surface.

2. The cam mechanism according to claim 1, wherein a spring is further disposed in the fixing seat; and in a locking state, the locking block keeps protruding out of the sliding surface under the action of the elastic force of the spring.

3. The wedge mechanism of claim 2, wherein the locking block is provided with a travel limiting block, the fixing seat is provided with a step-down groove, and the spring is supported between the travel limiting block and an inner wall of the step-down groove.

4. The cam mechanism according to claim 3, wherein the locking block comprises a guiding section and a locking section, and the stroke limiting block is arranged at the transition connection position of the guiding section and the locking section.

5. The cam mechanism according to claim 4, wherein the slide groove includes a travel groove through which the detent section can slide and a slide groove through which the guide section can slide.

6. The wedge mechanism according to any one of claims 1 to 5, further comprising a handle, wherein the fixing base is further provided with a sliding hole penetrating through the sliding groove, and the handle penetrates through the sliding hole and is connected with the locking block to control the locking block to slide.

7. The cam mechanism of claim 1, further comprising a cover plate secured to the holder, the cover plate being capable of covering at least the slide channel.

8. The cam mechanism of claim 7, wherein the fixing base is fixed on the cam base by a fixing screw penetrating through the fixing base and the cover plate, and a side surface of the fixing base is at least not higher than the sliding surface.

9. The cam mechanism according to claim 7 or 8, wherein the cover plate is fixed to the fixing base by a countersunk screw.

10. A trimming and punching die, characterized by comprising the cam mechanism according to any one of claims 1 to 9.