CN212682327U

CN212682327U - Multi-station die carrier punch head internal height adjusting and supporting mechanism

Info

Publication number: CN212682327U
Application number: CN202021237681.0U
Authority: CN
Inventors: 吕京翔
Original assignee: Anhui Connie Precision Machinery Co ltd
Current assignee: Anhui Connie Precision Machinery Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-12
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to an inside altitude mixture control supporting mechanism of multistation die carrier drift, establish at outside altitude mixture control cushion A and the altitude mixture control cushion B of nitrogen spring including lining up the cover, altitude mixture control cushion A and altitude mixture control cushion B's outside circumference surround and are provided with the axle sleeve, and altitude mixture control cushion A is located altitude mixture control cushion B's top, and altitude mixture control cushion A's upper surface is the horizontal plane, and flushes with the packing cushion, altitude mixture control cushion B's lower surface is the horizontal plane, and is connected with the contact of drift fastener, and altitude mixture control cushion A's lower surface and altitude mixture control cushion B's upper surface all set to have the inclined plane of contained angle with the horizontal plane, and altitude mixture control cushion A and altitude mixture control cushion B's inclined plane laminates each other, and altitude mixture control cushion A's the highest side. The utility model discloses can be under the condition of not demolising the drift structure, adjust the height of drift, have very important actual production meaning.

Description

Multi-station die carrier punch head internal height adjusting and supporting mechanism

Technical Field

The utility model relates to an inside altitude mixture control supporting mechanism of multistation die carrier drift belongs to mechanical technical field.

Background

Multi-station continuous precision forging is often encountered in production practice. If the height of the punch needs to be adjusted during production, the whole upper punch structure needs to be disassembled according to the conventional operation. If the upper punch structure is simple, the weight is light and good, and if the punch structure is more complex, the weight is larger. This is liable to cause: 1) reduce mould debugging efficiency, influence the production beat, 2) because the mould dismouting many times also increases personnel's safety risk. The following measures are therefore often taken for such cases: 1. and (2) purchasing a plurality of die sets, and manufacturing a large number of cushion blocks with different heights, and replacing according to actual requirements. The problems are solved, but the following defects obviously exist: in the former, the equipment investment is large; in the latter case, the cost is increased by manufacturing a large number of cushion blocks with different heights. Therefore, an efficient ram inner adjustment shoe is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an inside altitude mixture control supporting mechanism of multistation die carrier drift, its concrete technical scheme as follows:

the internal height adjusting and supporting mechanism of the multi-station die carrier punch comprises a height adjusting cushion block A and a height adjusting cushion block B which are sleeved outside a nitrogen spring in a penetrating manner, wherein the outer circumferences of the height adjusting cushion block A and the height adjusting cushion block B are surrounded by a shaft sleeve, the upper end of the shaft sleeve extends to the top of a top plate, the nitrogen spring is located on the axial center line of the shaft sleeve, the upper end of the nitrogen spring is fixed with a pressing block and hung at the counter bore position of the top plate, a filling cushion block is arranged inside the shaft sleeve, and the top of the nitrogen spring is provided;

the height adjusting cushion block A is positioned above the height adjusting cushion block B, the upper surface of the height adjusting cushion block A is a horizontal plane and is flush with the filling cushion block, the lower surface of the height adjusting cushion block B is a horizontal plane and is connected with the punch fastener, the lower surface of the height adjusting cushion block A and the upper surface of the height adjusting cushion block B are both arranged to be inclined planes with included angles with the horizontal plane, the inclined planes of the height adjusting cushion block A and the height adjusting cushion block B are mutually attached, the highest side and the lowest side of the height adjusting cushion block A are respectively provided with a bolt, a bolt hole is horizontally arranged on the shaft sleeve, and the bolt is screwed in the bolt hole;

the punch fastener is internally connected with the punch in a holding manner.

Furthermore, the height adjusting cushion block A is additionally provided with flat position positioning along two sides of the height change direction, and the inner wall of the shaft sleeve is also provided with flat positions parallel to the straight edges for guiding.

Furthermore, a long hole is formed in the center of the height adjusting cushion block A in a penetrating mode, two ends of the long hole in the length direction are semicircular holes, the nitrogen spring penetrates through the long hole, and the length direction of the long hole is parallel to the straight edge.

Furthermore, the punch assembly is arranged below the nitrogen spring through a punch cushion block, a material beating rod is arranged on the axial center line of the punch assembly, the upper end of the material beating rod is in contact with the nitrogen spring in a stressed state, the lower end of the material beating rod extends to the center of the bottom of the punch assembly, and a fastening ring surrounding the punch fastener and the shaft sleeve is arranged outside the punch fastener.

The utility model discloses a theory of operation is:

the utility model discloses because the one side of the relative laminating of altitude mixture control cushion A and altitude mixture control cushion B sets to the plane that has certain inclination with the horizontal plane, and altitude mixture control cushion A's upper surface and altitude mixture control cushion B's lower surface are the horizontal plane, so, altitude mixture control cushion A and altitude mixture control cushion B wholly become one side height one side low, and the inclined plane is sharp inclined plane. Height adjustment cushion B is lived by the fixed cover of axle sleeve, there is not the displacement allowance, height adjustment cushion A has set up the bolt respectively at its altitude variation direction's both ends, move the bolt through twisting, can promote height adjustment cushion A to take place the translation, because height adjustment cushion A's upper surface has been restricted the height by the cope match-plate pattern, highly can not rise, so at height adjustment cushion A at the translation in-process, extrusion height adjustment cushion B rises or descends, because height adjustment cushion B contacts with the drift fastener, as long as not hard up tight loop, just can adjust the whole height of drift.

In order to realize that the height adjusting cushion block A can be pushed by a bolt to generate linear translation movement, two sides of the height change direction of the height adjusting cushion block A are both made into flat straight edges, and a flat position is also arranged in the shaft sleeve, so that the height adjusting cushion block A can move linearly and can not deviate towards the left and right of the moving direction by matching with a strip hole at the center of the height adjusting cushion block A.

The utility model has the advantages that:

the utility model discloses can be under the condition of not demolising the drift structure, adjust the height of drift, have very great actual production meaning, can improve work efficiency greatly, avoided the onerous trouble of changing the drift structure of demolising, avoided very huge economy extravagant.

Drawings

Figure 1 is a state diagram of the application of the utility model on the mould frame,

figure 2 is a schematic structural view of the present invention,

figure 3 is a top view of the height adjustment block a of the present invention,

in the figure: the device comprises a top plate, a filling cushion block, a pressing block, a shaft sleeve, a nitrogen spring, a punch assembly, a punch fastener, a fastening ring, a height adjusting cushion block B, a height adjusting cushion block A, a bolt, a guide cushion block 12, a strip hole 13, a punch cushion block 14, a knockout rod 15, an upper die carrier and a lower die carrier, wherein the top plate is 1, the filling cushion block 2, the pressing block 3, the shaft sleeve 4, the nitrogen spring is 5, the punch assembly is 6, the punch fastener is 7, the fastening ring is 8, the height adjusting cushion block B.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in FIG. 1, give the utility model discloses a concrete application embodiment, in the embodiment the utility model discloses be applied to in the cold forging die carrier, install in last mould for the height of adjustment drift subassembly 6 is applicable to different cold forging, realizes accurate control. For the convenience of understanding, figure 1 has given complete cold forging die carrier view, including last die carrier a and lower die carrier b, the cold forging piece is put at die carrier b's center down, goes up the decline of punch subassembly 6 on the die carrier a and forges the product, because the specification that different forgings need is different, so different to the high demand of forging the punching press, the utility model discloses a level promotes altitude mixture control cushion A10, realizes the rising or the decline of synchronous drive punch subassembly 6, realizes that the drift height-adjustable, and applicable forging specification is more.

The specific structure of the internal height adjusting and supporting mechanism of the multi-station die carrier punch is as follows: including lining up the cover and establishing at the outside height adjustment cushion A10 and the height adjustment cushion B9 of nitrogen spring 5, the outside circumference of height adjustment cushion A10 and height adjustment cushion B9 surrounds and is provided with axle sleeve 4, the upper end of axle sleeve 4 extends to the top of roof 1, nitrogen spring 5 is located the axial midline of axle sleeve 4, nitrogen spring 5's upper end extends to roof 1 height, the inside packing cushion 2 that is provided with of axle sleeve 4, nitrogen spring 5's top is provided with briquetting 3, briquetting 3 hangs in packing cushion 2 counter bores, it is fixed with axle sleeve 4 to fill cushion 2, axle sleeve 4 is fixed with roof 1, form complete roof 1 erection relation.

The height adjusting cushion block A10 is located above the height adjusting cushion block B9, the upper surface of the height adjusting cushion block A10 is a horizontal plane and is pressed and extruded with the filling cushion block 2, the lower surface of the height adjusting cushion block B9 is a horizontal plane and is in contact connection with the punch fastener 7, the lower surface of the height adjusting cushion block A10 and the upper surface of the height adjusting cushion block B9 are both arranged to be inclined planes with included angles with the horizontal plane, the inclined planes of the height adjusting cushion block A10 and the height adjusting cushion block B9 are mutually attached, the highest side and the lowest side of the height adjusting cushion block A10 are respectively provided with a bolt 11, a bolt 11 hole is horizontally arranged in the shaft sleeve 4, and the bolt 11 is screwed in the bolt 11 hole. When the punch assembly 6 needs to be adjusted downwards, the bolt 11 on the lowest side of the height adjusting cushion block A10 is screwed out or screwed to a position far away from the height adjusting cushion block A10, the bolt 11 on the highest side of the height adjusting cushion block A10 is screwed to move towards the height adjusting cushion block A10, the bolt 11 pushes the height adjusting cushion block A10 to move, the highest side of the height adjusting cushion block A10 moves towards the middle, the punch assembly 6 is pressed downwards, and the height of the punch assembly 6 is lowered; when the punch assembly 6 needs to be adjusted upwards, the bolt 11 on the highest side of the height adjusting cushion block A10 is screwed out or screwed to a position far away from the height adjusting cushion block A10, the bolt 11 on the lowest side of the height adjusting cushion block A10 is screwed to move towards the height adjusting cushion block A10, the bolt 11 pushes the height adjusting cushion block A10 to move, the lowest side of the height adjusting cushion block A10 moves towards the middle, the punch assembly 6 is released to extrude downwards, and the height rises.

In order to ensure that the height adjusting cushion block A10 can always move linearly and cannot move left and right in the process of being pushed by the bolt 11, flat straight edges are manufactured on two sides of the height adjusting cushion block A10 in the height change direction, and flat positions which are parallel to and close to the straight edges are arranged on the inner wall of the shaft sleeve 4. Meanwhile, a guide rail and a sliding groove for guiding can be respectively arranged on the straight edge and one edge of the guide cushion block 12, which is contacted with the straight edge, and the guide rail and the sliding groove are matched to realize linear guiding. The straight edge is provided with a horizontal guide rail, and the guide cushion block 12 is horizontally provided with a sliding groove. The guide pad 12 and the sleeve 4 are of a unitary construction.

In order to further assist the height adjusting cushion block A10 to linearly move, a long hole 13 is formed in the center of the height adjusting cushion block A10 in a penetrating mode, two ends of the long hole 13 in the length direction are semicircular holes, the nitrogen spring 5 penetrates through the long hole 13, and the length direction of the long hole 13 is parallel to the straight edge. The width of the long hole 13 is slightly larger than the pipe diameter of the nitrogen spring 5, the height adjusting cushion block A10 does not rub against the nitrogen spring 5 in the translation process, and is limited by the long hole 13, so that the nitrogen spring 5 can be rubbed even if left-right deviation occurs, and the left-right deviation amount can be limited.

Punch subassembly 6 passes through punch cushion 14 and sets up in nitrogen gas spring 5 below, is provided with knockout pole 15 on the punch subassembly 6 axial central line, and the upper end of knockout pole 15 is connected with nitrogen gas spring 5 under the stress condition, and the lower extreme extends to the bottom center of punch subassembly 6, and the outside of punch fastener 7 is provided with the tight loop 8 that surrounds punch fastener 7 and axle sleeve 4, and punch subassembly 6 is clasped tightly to punch fastener 7 inside. And during knockout, the punch assembly 6 descends to extrude the forged piece placed at the center of the lower die carrier b.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. Inside altitude mixture control supporting mechanism of multistation die carrier drift, its characterized in that: the nitrogen spring device comprises a height adjusting cushion block A and a height adjusting cushion block B which are sleeved outside a nitrogen spring in a penetrating manner, wherein the outer circumferences of the height adjusting cushion block A and the height adjusting cushion block B are surrounded by a shaft sleeve, the upper end of the shaft sleeve extends to the top of a top plate, the nitrogen spring is positioned on the axial center line of the shaft sleeve, the upper end of the nitrogen spring is fixed with a pressing block and hung at the counter bore position of the top plate, a filling cushion block is arranged inside the shaft sleeve, and the top of the nitrogen spring is provided with the;

the height adjusting cushion block A is positioned above the height adjusting cushion block B, the upper surface of the height adjusting cushion block A is a horizontal plane and is flush with the filling cushion block, the lower surface of the height adjusting cushion block B is a horizontal plane and is in contact connection with the punch fastener, the lower surface of the height adjusting cushion block A and the upper surface of the height adjusting cushion block B are both arranged to be inclined planes with included angles with the horizontal plane, the inclined planes of the height adjusting cushion block A and the height adjusting cushion block B are mutually attached, the highest side and the lowest side of the height adjusting cushion block A are respectively provided with a bolt, a bolt hole is horizontally arranged on the shaft sleeve, and the bolt is screwed in the bolt hole in a threaded manner;

the punch fastener is internally connected with the punch assembly in a holding manner.

2. The internal height adjusting and supporting mechanism of the multi-station die carrier punch pin as claimed in claim 1, wherein: the height adjusting cushion block A is additionally provided with flat position positioning along two sides of the height change direction of the height adjusting cushion block A, and the inner wall of the shaft sleeve is also provided with flat positions parallel to the straight edges for guiding.

3. The internal height adjusting and supporting mechanism of the multi-station die carrier punch pin as claimed in claim 1, wherein: the center of the height adjusting cushion block A is provided with a long hole in a penetrating mode, two ends of the long hole in the length direction are semicircular holes, the nitrogen spring penetrates through the long hole, and the length direction of the long hole is parallel to the straight edge.

4. The internal height adjusting and supporting mechanism of the multi-station die carrier punch pin as claimed in claim 1, wherein: the punch assembly is arranged below the nitrogen spring through a punch cushion block, a material beating rod is arranged on the axial center line of the punch assembly, the upper end of the material beating rod is connected with the nitrogen spring, the lower end of the material beating rod extends to the center of the bottom of the punch assembly, and a fastening ring surrounding the punch fastener and the shaft sleeve is arranged outside the punch fastener.