CN218049756U - Secondary bending device for water inlet pipe and water outlet pipe - Google Patents

Abstract

The application discloses a secondary bending device for a water inlet pipe and a water outlet pipe, which relates to the technical field of stamping equipment and comprises a rack, wherein the rack is provided with a first stamping die, the upper end of the first stamping die is provided with a placing cavity, and a forming block for sleeving a workpiece is placed in the placing cavity; the rack is connected with a second stamping die in a sliding manner, the sliding direction of the second stamping die is vertically arranged, and the rack is also provided with a driving piece which is used for driving the second stamping die to slide; the second stamping die is located directly over the first stamping die, and the lower extreme of second stamping die is equipped with the rolling chamber, and the interval of rolling chamber looks remote site reduces towards the direction near the chamber bottom gradually. Place chamber, shaping piece and rolling chamber through the setting, put into the shaping piece that will overlap the blank and place the intracavity, the both ends of blank perk can be outstanding in the accent of placing the chamber, and the second press die pushes down, and the rolling chamber can guide the both ends rolling of blank perk, realizes the quick rolling at blank perk both ends.

Description

Secondary bending device for water inlet pipe and water outlet pipe

Technical Field

The application relates to the field of stamping equipment, more specifically says that it relates to a secondary bending device for inlet tube and outlet pipe.

Background

The water meter shell comprises a meter shell, and a water inlet pipe and a water outlet pipe which are welded at two ends of the meter shell. Traditional inlet tube and outlet pipe adopt the punching press of stainless steel pipe to form usually, but because the material of stainless steel is harder, direct punching press stainless steel pipe easily leads to the stainless steel pipe fracture for the yield of inlet tube and outlet pipe is lower.

In order to improve the yield of the water inlet pipe and the water outlet pipe, the stainless steel plate can be processed into the water inlet pipe and the water outlet pipe through multiple times of stamping, and the stainless steel plate needs to be stamped into a blank with two tilted ends for the first stamping. The rolling of bending need be carried out the blank of both ends perk to the secondary punching press, consequently needs a research and development section to carry out the stamping equipment of rolling fast to the both ends of blank perk urgently.

SUMMERY OF THE UTILITY MODEL

In order to realize the quick rolling to blank perk both ends, this application provides a secondary bending device for inlet tube and outlet pipe.

The application provides a pair of secondary bending device for inlet tube and outlet pipe adopts following technical scheme:

a secondary bending device for a water inlet pipe and a water outlet pipe comprises a rack, wherein the rack is provided with a first stamping die, the upper end of the first stamping die is provided with a placing cavity, and a forming block for sleeving a workpiece is placed in the placing cavity;

when the workpiece is sleeved on the forming block and the forming block is placed in the placing cavity, the two tilted ends of the workpiece respectively protrude out of the cavity opening of the placing cavity;

the rack is connected with a second stamping die in a sliding manner, the sliding direction of the second stamping die is vertically arranged, and the rack is also provided with a driving piece which is used for driving the second stamping die to slide; the second stamping die is positioned right above the first stamping die, a rolling cavity is arranged at the lower end of the second stamping die, and the distance between the opposite ends of the rolling cavity is gradually reduced towards the direction close to the cavity bottom;

the winding cavity is matched with the upper end of the forming block and used for winding two ends of a workpiece to be tilted.

Through the technical scheme, on the shaping piece was located to the blank cover that will accomplish a punching press, the shaping piece that overlaps the blank again was put into and is placed the intracavity, and the both ends of blank perk can outstanding in the accent of placing the chamber this moment, and the second press die pushes down, and the rolling chamber is the looks remote site of narrowing gradually, can guide the both ends rolling gradually of blank perk, and then the second press die pushes down once, can accomplish the rolling at the both ends of blank perk, and then realizes the quick rolling at blank perk both ends.

Optionally, the rolling chamber includes tubular forming portion and flaring forming portion that coaxial set gradually, and the both ends that tubular forming portion and flaring forming portion kept away from each other run through along the axis direction respectively completely.

Through above-mentioned technical scheme, set up the both ends that tubulose shaping portion and flaring shaping portion kept away from each other and run through along the axis direction respectively completely, the convenience is improved to the processing of tubulose shaping portion and flaring shaping portion inner chamber shape.

Optionally, the two opposite ends of the winding cavity are respectively provided with a round corner near the cavity bottom.

Through the technical scheme, the two ends of the blank piece can be gradually transited in the rolling process to form the relatively smooth turned edge, so that the subsequent correction is reduced, and the processing efficiency of the water inlet pipe or the water outlet pipe is improved.

Optionally, the placing cavity comprises a tubular portion and a flared portion which are coaxially and sequentially arranged, and a supporting piece for supporting the axial end face of the workpiece is arranged at the bottom of the flared portion.

Through above-mentioned technical scheme, the setting supports and leans on the piece, and the blank that the cover was established on the restriction shaping piece is along axial removal, and then improves the rolling precision of blank secondary punching press.

Optionally, one end of the flared portion, which is far away from the tubular portion, is provided with a butt joint table, and the butt joint table is used for abutting against a forming block.

Through above-mentioned technical scheme, set up the butt joint platform, restriction shaping piece is along axial removal, and then restricts blank's axial displacement to this rolling precision that improves blank secondary punching press.

Optionally, the one end that tubulose portion was kept away from along the axis direction to the shaping piece is connected with the fixed block, the one end that the fixed block deviates from the shaping piece is equipped with the handle, the butt joint platform is equipped with the caulking groove that supplies the fixed block embedding.

Through above-mentioned technical scheme, set up the handle, make things convenient for the shaping piece in placing putting into and taking out of intracavity, improve the convenience of operation.

Optionally, the frame is fixed with a padding table, and the first stamping die is arranged at the upper end of the padding table.

Through above-mentioned technical scheme, set up the bed hedgehopping platform, carry out the bed hedgehopping with first press die, reduce the required displacement distance of second press die and first press die compound die, and then reduce the stroke of driving piece, can adopt the driving piece that the cost is lower, and then reduce the cost of whole platform equipment.

Optionally, the lower end of the frame is provided with a plurality of pressing assemblies, and the pressing assemblies are uniformly distributed on the periphery of the first stamping die;

each group of the pressing assemblies respectively comprise a threaded rod vertically fixed at the lower end of the frame, a pressing block sleeved on the threaded rod and a pressing nut in threaded connection with the threaded rod, and the pressing nut is used for pressing the pressing block on the first stamping die.

Through above-mentioned technical scheme, the setting compresses tightly the subassembly, compresses tightly the compact heap in first press die through gland nut, and then compresses tightly first press die in the upper end of bed hedgehopping platform, owing to carry out locking through gland nut, consequently when needing to dismantle first press die, the unscrewing gland nut can, comparatively convenient and fast, the maintenance and the change in the first press die later stage of being convenient for.

Optionally, the lower end of the second stamping die is provided with a plurality of positioning columns, the upper end of the first stamping die is provided with a plurality of positioning holes, the plurality of positioning columns and the plurality of positioning holes correspond to each other one by one, and each positioning hole is used for allowing the corresponding positioning column to be embedded.

Through the technical scheme, the positioning columns and the positioning holes are arranged, so that the first stamping die can be conveniently positioned after being reinstalled.

Optionally, the pressing assembly further comprises a guide rod vertically fixed at the lower end of the frame, a guide hole for the guide rod to penetrate is formed in one end, away from the first stamping die, of the pressing block, and the guide rod penetrates into the guide hole and is connected to the pressing block.

Through above-mentioned technical scheme, set up guide bar and guiding hole for the compact heap passes through the guiding hole and connects when the guide bar for the compact heap can keep the horizontality through the connection of guide bar and threaded rod, and then can apply vertical decurrent packing force to first press die, improves the effect that compresses tightly to first press die.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) The first stamping die, the second stamping die, the forming block and the rolling cavity are arranged, the second stamping die is pressed downwards, opposite ends of the rolling cavity which are gradually narrowed are used for guiding two ends of the blank to be gradually rolled, and then the second stamping die is pressed downwards once, so that the two ends of the blank which is tilted can be rolled, and the two ends of the blank which is tilted can be rapidly rolled;

(2) By arranging the round corners, two ends of the blank can be gradually transited in the rolling process to form smooth turned edges, so that subsequent correction is reduced, and the processing efficiency of the water inlet pipe or the water outlet pipe is improved;

(3) Support and lean on the piece through setting up, restriction blank along axial removal, and then improve the rolling precision of blank secondary punching press.

Drawings

Fig. 1 is a schematic overall structure diagram of the present embodiment.

Fig. 2 is an exploded view of the overall structure of the present embodiment.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

Fig. 4 is an enlarged schematic view of the structure at B in fig. 1.

Fig. 5 is a schematic overall structure diagram of the present embodiment, which is used for showing a structure of the rolling chamber.

Reference numerals: 1. a frame; 101. an upper top plate; 102. a lower base plate; 103. a guide post; 2. a heightening table; 3. a first stamping die; 4. a second stamping die; 5. a drive member; 6. a placement chamber; 601. a tubular portion; 602. a flared part; 7. an abutting member; 8. forming a block; 9. a butting table; 10. a fixed block; 11. caulking grooves; 12. a grip; 13. a winding cavity; 131. a tubular molding section; 132. a flaring forming part; 14. round corners; 15. a compression assembly; 151. a threaded rod; 152. a compression block; 153. a compression nut; 154. a guide bar; 16. a positioning column; 17. and (7) positioning the holes.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a secondary bending device for inlet tube and outlet pipe.

Referring to fig. 1, the frame 1 is provided, and the frame 1 includes an upper top plate 101, a lower bottom plate 102, and four guide posts 103. The upper top plate 101 and the lower bottom plate 102 are parallel to each other and are both horizontally disposed. Every guide post 103 all is vertical setting, and the both ends of every guide post 103 equally divide respectively with the relative end fixed connection of last top plate 101 and lower plate 102, and four guide posts 103 distribute in four corners of lower plate 102 respectively.

Referring to fig. 1, a raising table 2 is fixed to an upper end of a lower plate 102, and a first press die 3 is disposed at an upper end of the raising table 2. Four guide posts 103 slide jointly and are connected with second press die 4, and the direction of sliding of second press die 4 sets up along vertical direction, and second press die 4 is located directly over first press die 3. Go up roof 101 and install driving piece 5, driving piece 5 is the pneumatic cylinder, and the output shaft of driving piece 5 is vertical downward setting, the output shaft of driving piece 5 and the upper end fixed connection of second press die 4, and driving piece 5 is used for driving second press die 4 and slides.

Alternatively, the drive element 5 can also be a cylinder.

Referring to fig. 2 and 3, the upper end of the first press die 3 is opened with a placing cavity 6. The placing chamber 6 comprises a tubular portion 601 and a flared portion 602 coaxially connected in series. The tubular portion 601 is in a semicircular tube shape, the flared portion 602 is in a semicircular table shape, and two ends of the tubular portion 601 and the flared portion 602, which are away from each other, completely penetrate through the first press die 3 along the axis respectively. The bottom of the flared part 602 is fixed with a supporting part 7, the supporting part 7 is cylindrical, and the axis of the supporting part 7 is arranged along the vertical direction.

Referring to fig. 1 and 3, a forming block 8 is placed in the placing cavity 6, the shape of the lower end of the forming block 8 is matched with that of the placing cavity 6, and the upper end of the forming block 8 protrudes out of the opening of the placing cavity 6. The first press die 3 is fixedly connected with a butting table 9, and the butting table 9 is positioned at one end of the flared part 602, which is far away from the tubular part 601. The abutting table 9 is used for abutting the forming block 8.

Referring to fig. 1 and 3, in actual use, the blank with two tilted ends is sleeved on the forming block 8 and embedded into the cavity 6 along with the forming block 8, and after the blank with two tilted ends is embedded into the cavity 6 along with the forming block 8, the two tilted ends of the blank protrude out of the opening of the cavity 6 respectively, and one axial end of the blank, which is far away from the tubular portion 601, abuts against the abutting piece 7.

Referring to fig. 1 and 3, a fixing block 10 is fixedly connected to one end of the forming block 8 away from the tubular portion 601, and an embedding groove 11 for embedding the fixing block 10 is formed in the upper end of the abutting table 9. The end of the fixing block 10 away from the forming block 8 is fixedly connected with a handle 12. In practical use, the handle 12 is convenient for an operator to hold, and the forming block 8 is communicated with the workpiece and taken out of the placing cavity 6 through the handle 12.

Referring to fig. 4 and 5, the lower end of the second stamping die 4 is opened with a rolling cavity 13. The winding cavity 13 includes a tubular forming portion 131 and a flare forming portion 132 coaxially and sequentially disposed, and two ends of the tubular forming portion 131 and the flare forming portion 132, which are away from each other, completely penetrate through the second stamping die 4 along the axial direction.

Referring to fig. 3 and 4, the axial direction of the rolling cavity 13 is parallel to the axial direction of the placing cavity 6, and the shape of the rolling cavity 13 is matched with the shape of the upper end of the forming block 8.

Referring to fig. 4, the distance between the opposite end surfaces of the winding cavity 13 gradually decreases towards the direction close to the cavity bottom, and fillets 14 are respectively arranged between the opposite end surfaces of the winding cavity 13 and the cavity bottom.

Referring to fig. 3 and 4, in the actual stamping process, the second stamping die 4 slides downwards towards the first stamping die 3 direction and closes the die, because the interval of the relative terminal surface of rolling chamber 13 reduces gradually towards the direction that is close to the chamber bottom, the relative terminal surface of rolling chamber 13 can close up the both ends of blank perk for the both ends of blank perk are close to each other, and finally support and lean on in the upper end of shaping piece 8, accomplish the quick rolling to blank perk both ends. And because the round corners 14 are respectively arranged between the opposite end surfaces of the rolling cavity 13 and the cavity bottom, the round corners 14 can enable the two ends of the blank piece to be gradually and smoothly bent towards the cavity bottom of the rolling cavity 13 in the rolling process, so that subsequent correction can be reduced, and the processing efficiency of a water inlet pipe or a water outlet pipe is improved.

Referring to fig. 1, the upper end of the lower plate 102 is further provided with four pressing assemblies 15, and the four pressing assemblies 15 are respectively distributed outside four corners of the first stamping die 3. Each hold-down assembly 15 includes a threaded rod 151, a hold-down block 152, a hold-down nut 153, and a guide rod 154. The guide rod 154 and the threaded rod 151 are both fixed to the upper end of the lower plate 102 in a vertical state, and the guide rod 154 is located on one side of the threaded rod 151 away from the first press die 3. The compact heap 152 has seted up guiding hole and rectangular hole, and guide bar 154 penetrates the guiding hole and is connected with compact heap 152, and threaded rod 151 passes rectangular hole and is connected with compact heap 152, and compact heap 152 is the level setting. The pressing nut 153 is located at the upper end of the pressing block 152 and is in threaded connection with the threaded rod 151, and the pressing nut 153 presses the lower end of the pressing block 152 onto the first stamping die 3 through the threaded connection with the threaded rod 151. The first stamping die 3 is pressed on the upper end of the heightening table 2 through four groups of pressing assemblies 15.

Referring to fig. 1, two positioning columns 16 are fixed at the lower end of the second stamping die 4, and two positioning holes 17 are formed at the upper end of the first stamping die 3. Two positioning holes 17 correspond to two positioning columns 16 one by one, and each positioning hole 17 is used for embedding the corresponding positioning column 16. In the actual use process, the first stamping die 3 can be detached by adjusting and loosening the compression nut, so that the first stamping die 3 is convenient to replace and overhaul, and the first stamping die 3 which is reassembled can be positioned by matching the positioning hole 17 with the positioning column 16.

The working principle of the embodiment is as follows: the blank piece with two tilted ends is sleeved on the forming block 8, the blank piece and the forming block 8 are placed in the placing cavity 6 together, the second stamping die 4 is pressed down to be matched with the first stamping die 3, and the tilted ends of the blank piece are rapidly rolled by the opposite end faces of the rolling cavity 13.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a secondary bending device for inlet tube and outlet pipe which characterized in that: the stamping die comprises a rack (1), wherein the rack (1) is provided with a first stamping die (3), the upper end of the first stamping die (3) is provided with a placing cavity (6), and a forming block (8) for sleeving a workpiece is placed in the placing cavity (6);

when the workpiece is sleeved on the forming block (8) and is placed in the placing cavity (6) along with the forming block (8), the two tilted ends of the workpiece respectively protrude out of the cavity opening of the placing cavity (6);

the rack (1) is connected with a second stamping die (4) in a sliding manner, the sliding direction of the second stamping die (4) is vertically arranged, the rack (1) is also provided with a driving piece (5), and the driving piece (5) is used for driving the second stamping die (4) to slide; the second stamping die (4) is positioned right above the first stamping die (3), a rolling cavity (13) is formed in the lower end of the second stamping die (4), and the distance between the opposite ends of the rolling cavity (13) is gradually reduced towards the direction close to the cavity bottom;

the winding cavity (13) is matched with the upper end of the forming block (8) to be used for winding two ends of a workpiece.

2. The secondary bending device for water inlet pipes and water outlet pipes as claimed in claim 1, wherein: the rolling cavity (13) comprises a tubular forming part (131) and a flaring forming part (132) which are coaxially and sequentially arranged, and two ends of the tubular forming part (131) and the flaring forming part (132) which are far away from each other completely penetrate along the axis direction respectively.

3. The secondary bending device for water inlet pipes and water outlet pipes as claimed in claim 2, wherein: and the two opposite ends of the rolling cavity (13) are respectively provided with a round corner (14) close to the cavity bottom.

4. The secondary bending device for water inlet pipes and water outlet pipes as claimed in claim 1, wherein: place chamber (6) including coaxial tubular part (601) and flaring portion (602) that set gradually, the chamber bottom of flaring portion (602) is equipped with support piece (7) that support that supplies work piece axial terminal surface to lean on.

5. The secondary bending device for the water inlet pipe and the water outlet pipe as claimed in claim 4, wherein: one end, far away from tubular portion (601), of flared portion (602) is provided with butt joint platform (9), butt joint platform (9) are used for supplying forming block (8) to lean on.

6. The secondary bending device for the water inlet pipe and the water outlet pipe as claimed in claim 5, wherein: one end that tubulose portion (601) were kept away from along the axis direction in shaping piece (8) is connected with fixed block (10), the one end that deviates from shaping piece (8) in fixed block (10) is equipped with handle (12), butt joint platform (9) are equipped with caulking groove (11) that supply fixed block (10) embedding.

7. The secondary bending device for the water inlet pipe and the water outlet pipe as claimed in claim 1, wherein: frame (1) is fixed with bed hedgehopping platform (2), first press die (3) set up in the upper end of bed hedgehopping platform (2).

8. The secondary bending device for water inlet pipes and water outlet pipes as claimed in claim 7, wherein: the lower end of the rack (1) is provided with a plurality of pressing components (15), and the pressing components (15) are uniformly distributed on the periphery of the first stamping die (3);

every group compress tightly subassembly (15) all include vertical threaded rod (151) of being fixed in frame (1) lower extreme, overlap and locate compact heap (152) and the gland nut (153) of threaded rod (151) in threaded rod (151), gland nut (153) are used for compressing tightly compact heap (152) in first press die (3).

9. The secondary bending device for water inlet pipes and water outlet pipes as claimed in claim 8, wherein: the lower end of the second stamping die (4) is provided with a plurality of positioning columns (16), the upper end of the first stamping die (3) is provided with a plurality of positioning holes (17), the positioning columns (16) correspond to the positioning holes (17) one by one, and each positioning hole (17) is used for being embedded into the corresponding positioning column (16).

10. The secondary bending device for water inlet pipes and water outlet pipes as claimed in claim 8, wherein: the pressing assembly (15) further comprises a guide rod (154) vertically fixed to the lower end of the rack (1), one end, away from the first stamping die (3), of the pressing block (152) is provided with a guide hole for the guide rod (154) to penetrate through, and the guide rod (154) penetrates through the guide hole and is connected to the pressing block (152).

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