CN213915732U - Compound die suitable for sizing pipe fitting round hole - Google Patents

Abstract

The utility model discloses a compound die suitable for pipe fitting round hole sizing, including last mould, lower mould, it contains outer guide pin bushing to go up the mould, the top of outer guide pin bushing is connected with the guide pillar cushion, the top baffle is equipped with to one side of guide pillar cushion, the bottom of going up the top baffle is connected with and takes off the board, the lower mould contains outer guide pillar, the bottom of outer guide pillar is connected with the guide pin bushing cushion, backstop board is equipped with down to one side of guide pin bushing cushion, the top of backstop board is connected with down takes off the board down, in operation, the punch press drives the mould and moves downwards for go up the mould and the lower mould passes through outer guide pin bushing and outer guide pillar connection combination together, the guide pin bushing cushion is equipped with to the bottom of outer guide pin bushing top guide pin bushing cushion and outer guide pillar is in order to prevent to go up the mould and move down when the combination unexpected such as striking that takes place at the speed too fast, the utility model discloses, it is strong and the high with the location precision to have the practicality, The efficiency is fast and the size precision is higher characteristics.

Description

Compound die suitable for sizing pipe fitting round hole

Technical Field

The utility model relates to a stamping die technical field specifically is a compound die suitable for pipe fitting round hole sizing.

Background

The composite die is formed by combining an upper die and a lower die and is mainly used for processing a die structure, and the composite die is a core component on a production line.

The existing compound die needs to shape and process the shaped port for many times, and the practicability is poor; meanwhile, the port of the existing compound die has low dimensional precision, and the surface quality of a product is poor due to multiple times of shaping. Therefore, it is necessary to design a compound die which has strong practicability, high positioning accuracy, high efficiency and higher size precision and is suitable for sizing the circular hole of the pipe fitting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound die suitable for pipe fitting round hole sizing to solve the problem of proposing among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a compound die suitable for sizing a pipe fitting circular hole comprises an upper die and a lower die, wherein the upper die comprises an outer guide sleeve, the top of the outer guide sleeve is connected with a guide post cushion block, an upper stop baffle is arranged on one side of the guide post cushion block, the bottom of the upper stop baffle is connected with an upper stripper plate, the lower die comprises an outer guide post, the bottom of the outer guide post is connected with a guide sleeve cushion block, a lower stop plate is arranged on one side of the guide sleeve cushion block, the top of the lower stop plate is connected with a lower stripper plate, in operation, a punch drives the upper die to move downwards, so that the upper die and the lower die are connected and combined together through the outer guide sleeve and the outer guide post, the guide post cushion block is arranged on the top of the outer guide sleeve, and the guide sleeve cushion block is arranged on the bottom of the outer guide post, so as to prevent accidents such as collision and the like caused by too fast assembly of the downward movement of the upper die, and the upper stripper plate is driven to move downwards by the downward movement of the upper die, the workpiece product placed on the lower stripping plate is pressed, the upper stripping plate and the lower stripping plate are similar to the workpiece in shape, the positioning effect is achieved, the workpiece is machined at the designated position, machining errors cannot be caused due to position deviation, and the product is subjected to copying positioning to enable the machining position to be more accurate.

According to the technical scheme, the top of the guide pillar cushion block is connected with an upper die base, the bottom of the upper die base is movably connected with an upper clamping plate through threads, the bottom of the upper clamping plate is fixedly connected with an upper inner guide pillar, the outer wall of the inner guide pillar is connected with an upper stop baffle, the bottom of the upper stop baffle is connected with an upper outer limiting column, the upper outer limiting column is distributed around the upper stop baffle in a rectangular array mode, the components are sequentially assembled and mounted, and the upper stop baffle achieves the purpose of sliding up and down through the upper inner guide pillar.

According to the technical scheme, the bottom of the guide sleeve cushion block is connected with a fixed block, the bottom of the fixed block is fixedly connected with a lower die holder, the bottom of the lower die holder is connected with a lower supporting plate, the top of the lower die holder is movably connected with a lower clamping plate through threads, the top of the lower clamping plate is fixedly connected with a lower inner guide pillar, the outer wall of the lower inner guide pillar is connected with a lower stop plate, the bottom of the lower stop plate is connected with a lower outer limiting column, the lower outer limiting column is distributed around the lower stop plate in a rectangular array manner, after the lower outer limiting column is assembled according to the sequence to form a compound die, the bottom of the lower supporting plate in the compound die is connected and installed in the punch press, the lower stop plate achieves the purpose of sliding up and down through the lower inner guide pillar, the upper die moves downwards to drive the upper outer limiting column to move downwards, so that the upper outer limiting column is contacted with the lower outer limiting column, and the functions of fixing a workpiece and limiting are achieved, prevent the workpiece from being damaged due to the movement of the workpiece and reduce the production cost.

According to the technical scheme, the slotting tool is fixedly connected to the top of the lower clamping plate, penetrates through the lower stop plate, the pressing block is fixedly connected to the top of the lower stop plate, the sliding block is connected to the inner wall of the pressing block, the front end of the sliding block is fixedly connected with the full-circle insert, the upper stop baffle and the lower stop plate are pushed to move towards the direction opposite to the force after the upper limit column moves downwards and the lower limit column contacts with the limiting effect, meanwhile, the slotting tool moves upwards to contact with the sliding block inside the pressing block, power in the vertical direction is converted into thrust in the horizontal direction, and the sliding block is driven to slide along the direction of the pressing block.

According to the technical scheme, the whole circle of the front end fixed connection of slider goes into the son, in order to make the precision of work piece more accurate, the whole circle of selection goes into son and work piece internal diameter size unanimity, the slider removes the interior survey that pushes into the whole circle son of slider front end into the work piece, under the effect of whole circle son, the single punching press just can reach the effect of whole hole many times, the poor scheduling problem of size deviation surface quality that avoids whole hole to cause many times, reduce the repetitive operation, improve machine and artificial work efficiency, guarantee convenient the dismantlement when the hole size is unchangeable, the whole circle goes into the condition that the son appears wearing and tearing after a lot of processing just only needs to be changed the whole circle and goes into the son, avoid the precision reduction problem that the component damaged and cause after a lot of processing.

According to the technical scheme, the bottom fixedly connected with of punch holder goes up the mould drift, it takes off the board and stops the baffle to go up the mould drift to run through, the top fixedly connected with lower mould drift of lower plate, the lower mould drift runs through lower backstop board and takes off the board down, goes up the mould drift and passes through the imitation to the work piece appearance with the lower mould drift, and the work piece surface of laminating completely goes up mould drift and lower mould drift to middle operation after guaranteeing work piece internal diameter size, and the excircle of extrusion work piece is with the size that we want of work piece punching press down including outer simultaneous action for the size is more accurate, and has improved the yields.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model is characterized in that the utility model,

(1) by arranging the upper stripping plate and the lower stripping plate, the upper die moves downwards to drive the upper stripping plate to move downwards to press a workpiece product placed on the lower stripping plate, the upper stripping plate and the lower stripping plate are similar to the workpiece in shape and play a role in positioning, so that the workpiece is machined at an appointed position, machining errors caused by position deviation are avoided, and the product is subjected to copying positioning to enable the machining position to be more accurate;

(2) by arranging the upper die punch and the lower die punch, the upper die punch and the lower die punch are completely attached to the outer surface of the workpiece by copying the appearance of the workpiece, the upper die punch and the lower die punch move towards the middle after the inner diameter size of the workpiece is ensured, the outer circle of the workpiece is extruded, and the workpiece is stamped to the desired size under the simultaneous action of the inner part and the outer part, so that the size is more accurate, and the accuracy of good products is improved;

(3) by arranging the rounding insert, the selected rounding insert is consistent with the inner diameter of the workpiece, the slider moves to push the rounding insert at the front end of the slider into the inner side of the workpiece, multiple hole rounding effects can be achieved by single punching under the action of the rounding insert, the problems of poor dimensional deviation and surface quality and the like caused by multiple hole rounding are avoided, repeated operation is reduced, the working efficiency of a machine and manpower is improved, the inner hole is guaranteed to be unchanged in size and convenient to disassemble, the rounding insert only needs to be replaced when the rounding insert is worn after multiple processing, and the problem of accuracy reduction caused by component damage after multiple processing is avoided;

(4) through the cooperation of slotting tool and slider, the perfect problem of having solved power and having changeed in the direction for whole mechanism is very compact reasonable, has also reduced certain structural space, and the slotting tool upward movement contacts the inside slider of briquetting, turns into the thrust of horizontal direction with the power of vertical direction, drives the slider and slides along the direction of briquetting.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of an upper mold of the present invention;

FIG. 3 is a schematic view of the lower mold structure of the present invention;

FIG. 4 is a schematic view of the operation direction of the present invention

In the figure: 1. an upper outer limiting column; 2. an upper inner guide post; 3. an upper stripping plate; 4. an upper stop baffle; 5. an upper splint; 6. an upper die holder; 7. a guide pillar cushion block; 8. an outer guide sleeve; 9. a slider; 10. briquetting; 11. a lower inner guide post; 13. a lower supporting plate; 14. rounding the workpiece; 15. removing the plate; 16. a lower stopper plate; 17. a lower splint; 18. a lower die holder; 19. a guide sleeve cushion block; 20. an outer guide post; 22. inserting a cutter; 23. a lower die punch; 24. an upper die punch; 25. and a lower outer limiting column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-3, the present invention provides a technical solution: a compound die suitable for pipe fitting circular hole sizing comprises an upper die and a lower die, wherein the upper die comprises an outer guide sleeve 8, the top of the outer guide sleeve 8 is connected with a guide post cushion block 7, one side of the guide post cushion block 7 is provided with an upper stop baffle 4, the bottom of the upper stop baffle 4 is connected with an upper stripper plate 3, the lower die comprises an outer guide post 20, the bottom of the outer guide post 20 is connected with a guide sleeve cushion block 19, one side of the guide sleeve cushion block 19 is provided with a lower stop plate 16, the top of the lower stop plate 16 is connected with a lower stripper plate 15, in operation, a punch drives the upper die to move downwards, so that the upper die and the lower die are connected and combined together through the outer guide sleeve 8 and the outer guide post 20, the guide post cushion block 7 is arranged at the top of the outer guide sleeve 8, the guide sleeve cushion block 19 is arranged at the bottom of the outer guide post 20, and the outer guide sleeve 8 are damaged due to collision when the upper die moves downwards and is combined, the upper die moves downwards to drive the upper stripping plate 3 to move downwards, a workpiece product placed on the lower stripping plate 15 is pressed, the upper stripping plate 3 and the lower stripping plate 15 are similar to the workpiece in shape, a positioning effect is achieved, the workpiece is machined at a specified position, machining errors caused by position deviation are avoided, and the product is subjected to profiling positioning to enable the machining position to be more accurate;

the top of the guide pillar cushion block 7 is connected with an upper die base 6, the bottom of the upper die base 6 is movably connected with an upper clamping plate 5 through threads, the bottom of the upper clamping plate 5 is fixedly connected with an upper inner guide pillar 2, the outer wall of the upper inner guide pillar 2 is connected with an upper stop baffle 4, the bottom of the upper stop baffle 4 is connected with upper outer limiting columns 1, the upper outer limiting columns 1 are distributed around the upper stop baffle 4 in a rectangular array mode, the components are assembled and installed in sequence, and the upper stop baffle 4 achieves the purpose of sliding up and down through the upper inner guide pillar 2;

the bottom of a guide sleeve cushion block 19 is connected with a fixed block 12, the bottom of the fixed block 12 is fixedly connected with a lower die holder 18, the bottom of the lower die holder 18 is connected with a lower supporting plate 13, the top of the lower die holder 18 is movably connected with a lower clamp plate 17 through threads, the top of the lower clamp plate 17 is fixedly connected with a lower inner guide post 11, the outer wall of the lower inner guide post 11 is connected with a lower stop plate 16, the bottom of the lower stop plate 16 is connected with a lower outer limit post 25, the lower outer limit post 25 is distributed around the lower stop plate 16 in a rectangular array, after the composite die is formed by assembling according to the sequence, the bottom of the lower supporting plate 13 in the composite die is connected and installed inside a punch press, the lower stop plate 16 achieves the purpose of sliding up and down through the lower inner guide post 11, an upper die moves downwards to drive the upper outer limit post 1 to move downwards, so that the upper outer limit post 1 is contacted with the lower outer limit post 25 to play roles of fixing a workpiece and limiting, the damage to the workpiece caused by the movement of the workpiece is prevented, and the production cost is reduced;

the top of the lower clamping plate 17 is fixedly connected with a slotting tool 22, the slotting tool 22 penetrates through the lower stop plate 16, the top of the lower stop plate 16 is fixedly connected with a pressing block 10, the inner wall of the pressing block 10 is connected with a sliding block 9, the front end of the sliding block 9 is fixedly connected with a rounding insert 14, after the upper and outer limiting columns 1 move downwards and contact with the lower and outer limiting columns 25 to play a limiting role, the upper stop baffle 4 and the lower stop plate 16 are pushed to move towards the direction opposite to the force, meanwhile, the slotting tool 22 moves upwards to contact with the sliding block 9 in the pressing block 10, the power in the vertical direction is converted into the thrust in the horizontal direction, and the sliding block 9 is driven to slide along the direction of the pressing block 10;

the front end of the sliding block 9 is fixedly connected with a rounding insert 14, in order to ensure that the precision of a workpiece is more accurate, the selected rounding insert 14 is consistent with the inner diameter of the workpiece, the sliding block 9 moves to push the rounding insert 14 at the front end of the sliding block 9 into the inner side of the workpiece, under the action of the rounding insert 14, the effect of multiple hole rounding can be achieved through single punching, the problems of poor dimensional deviation and surface quality caused by multiple hole rounding and the like are solved, repeated operation is reduced, the working efficiency of a machine and manpower is improved, the size of an inner hole is guaranteed to be unchanged, meanwhile, the disassembly is convenient, only the rounding insert 14 needs to be replaced when the rounding insert 14 is worn after multiple machining, and the problem of precision reduction caused by component damage after multiple machining is solved;

go up mould drift 24 of bottom fixedly connected with of punch holder 5, it takes off board 3 and last stop baffle 4 to go up mould drift 24 to run through, the top fixedly connected with lower mould drift 23 of lower plate 17, lower mould drift 23 runs through lower backstop 16 and lower stripper 15, it passes through the imitation to the work piece appearance with lower mould drift 23 to go up mould drift 24, the work piece surface of laminating completely, it moves to the centre with lower mould drift 23 to go up mould drift 24 after guaranteeing work piece internal diameter size, the excircle of extrusion work piece, including outer simultaneous action down with the work piece punching press to our wanted size, make the size more accurate, and improved the accurate rate of yields.

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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a compound die suitable for pipe fitting round hole sizing, includes mould, lower mould, its characterized in that: the upper die comprises an outer guide sleeve (8), the top of the outer guide sleeve (8) is connected with a guide column cushion block (7), an upper stop baffle (4) is installed on one side of the guide column cushion block (7), the bottom of the upper stop baffle (4) is connected with an upper stripper plate (3), the lower die comprises an outer guide column (20), the bottom of the outer guide column (20) is connected with a guide sleeve cushion block (19), a lower stop plate (16) is installed on one side of the guide sleeve cushion block (19), and the top of the lower stop plate (16) is connected with a lower stripper plate (15).

2. The compound die suitable for sizing a circular hole of a pipe fitting according to claim 1, wherein: the top of guide pillar cushion (7) is connected with upper die base (6), there is punch holder (5) bottom of upper die base (6) through screw thread swing joint, interior guide pillar (2) in the bottom fixedly connected with of punch holder (5), the outer wall of going up interior guide pillar (2) is connected with top stop plate (4), the bottom of top stop plate (4) is connected with outer spacing post (1), it distributes around top stop plate (4) to go up outer spacing post (1) is rectangular array.

3. The compound die suitable for sizing a circular hole of a pipe fitting according to claim 2, wherein: the bottom of guide pin bushing cushion (19) is connected with fixed block (12), bottom fixedly connected with die holder (18) of fixed block (12), the bottom of die holder (18) is connected with bottom plate (13), there is lower plate (17) at the top of die holder (18) through screw thread swing joint, interior guide pillar (11) under the top fixedly connected with of lower plate (17), the outer wall connection of interior guide pillar (11) has lower backstop board (16) down, the bottom of backstop board (16) is connected with down outer spacing post (25), outer spacing post (25) are rectangular array distribution down around backstop board (16) down.

4. A compound die suitable for sizing round holes in pipe fittings according to claim 3, wherein: the top fixedly connected with slotting tool (22) of lower plate (17), slotting tool (22) run through lower backstop board (16), the top fixedly connected with briquetting (10) of lower backstop board (16), the inner wall of briquetting (10) is connected with slider (9).

5. A compound die suitable for sizing a circular hole in a pipe fitting according to claim 4, wherein: the front end of the sliding block (9) is fixedly connected with a full-circle insert (14).

6. A compound die suitable for sizing circular holes in pipe fittings according to claim 5, wherein: the bottom fixedly connected with of punch holder (5) goes up mould drift (24), go up mould drift (24) and run through and take off board (3) and go up end stop plate (4), the top fixedly connected with lower mould drift (23) of lower plate (17), lower mould drift (23) run through lower backstop board (16) and take off board (15) down.

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