CN215391999U - Heavy expansion pipe stamping equipment - Google Patents

Abstract

The utility model discloses a heavy expansion pipe stamping device, wherein the heavy expansion pipe is formed by stamping a pipe body, two convex strips which are symmetrically distributed and are bent outwards are stamped at the upper end of the pipe body, 4 side holes which are uniformly distributed on the circumference of the pipe body are stamped in the middle of the pipe body, a side groove which is vertically arranged is arranged at the bottom of each side hole, the side groove is opened at the lower end of the pipe body, and the convex strips and through holes are not on the same vertical surface, and the heavy expansion pipe stamping device is characterized in that: including mounting bracket, push down device, first mould, second mould, first mould comprises first last mould and first lower mould, and first mould is used for dashing out sand grip and side opening, the second mould comprises mould and second lower mould on the second, and the second mould is used for dashing out the side wall. According to the utility model, the convex strips and the side holes are punched at one time by the first die, and the side grooves are punched by the second die, so that the heavy expansion pipe can be formed by punching for 2 times, and the production efficiency is improved.

Description

Heavy expansion pipe stamping equipment

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of machining, in particular to the technical field of stamping equipment.

[ background of the utility model ]

Heavy expansion pipes are common components in construction engineering. Heavy expansion pipe includes sand grip, side opening and side groove, and these three positions all need form through the punching press in process of production, need carry out the cubic punching press, are unfavorable for production efficiency's improvement, and the positional relationship between each other produces the deviation easily.

[ Utility model ] content

The utility model aims to solve the problems in the prior art, and provides heavy expansion pipe stamping equipment which can be formed by stamping a heavy expansion pipe for 2 times and has an accurate stamping position.

In order to achieve the purpose, the utility model provides heavy expansion pipe stamping equipment, which is formed by stamping a pipe body, wherein two convex strips which are symmetrically distributed and are bent outwards are stamped at the upper end of the pipe body, 4 side holes which are uniformly distributed on the circumference of the pipe body are stamped in the middle of the pipe body, a vertically arranged side groove is formed in the bottom of each side hole, the side groove is opened at the lower end of the pipe body, the convex strips and the through holes are not on the same vertical surface, the heavy expansion pipe stamping equipment comprises a mounting frame, a pressing device, a first die and a second die, the first die comprises a first upper die and a first lower die, the first die is used for stamping the convex strips and the side holes, the second die comprises a second upper die and a second lower die, the second die is used for stamping the side grooves, the mounting frame is used for mounting the first lower die or the second lower die, a pressing device is arranged above the mounting frame, and a first upper die and a second upper die are mounted at the movable end of the pressing device, the first lower die is composed of a first main body block, a first placing groove, a sliding groove, communication holes, sliding blocks and punching pins, the first placing groove is vertically arranged in the middle of the first main body block, the distance between the lowest end of each protruding strip and the lower end of the pipe body is slightly larger than the depth of the first placing groove, four sliding grooves in one-to-one correspondence with the side holes are arranged on the first main body block, the sliding grooves are communicated with the first placing groove through the communication holes which are horizontally arranged, the sliding blocks are arranged in the sliding grooves, each sliding block is provided with an ejector pin used for punching the side holes, each ejector pin extends into each communication hole, each ejector pin is sleeved with a first return spring in a compression state, each second return spring is clamped between each sliding block and the corresponding sliding groove side wall, the side, far away from each ejector pin, of each sliding block is a first inclined surface, the first inclined surface inclines from top to bottom, the first upper die is composed of a first fixing plate, a first punch and a second reset spring, the second reset spring is clamped between the sliding block and the side, the second reset spring is clamped between the second reset spring, and the second reset spring is clamped between the second reset spring and the second reset spring, and the second reset spring is clamped between the second reset spring, and the second reset spring, the second reset spring is inclined surface inclines, the second reset spring inclines, the second reset spring inclines, the second reset spring, the first punch is inclined surface inclines, the second reset spring, the pressing plate is composed of 4 pressing plates matched with the sliding block and 1 first punch used for punching convex strips, a second inclined plane matched with the first inclined plane is arranged on the pressing plate, the horizontal distance between the bottommost end of the second inclined plane and the ejector rod is smaller than the horizontal distance between the bottommost end of the first inclined plane and the ejector rod, the second lower die is composed of a second main body block, a second placing groove, a limiting groove and an auxiliary groove, a vertically arranged second placing groove is arranged in the middle of the second main body block, the depth of the second placing groove is larger than the height of the pipe body, two vertically arranged limiting grooves are arranged on the side wall of the second placing groove, the two limiting grooves respectively correspond to the two convex strips one by one, when the pipe body is placed in the second placing groove in an inverted mode, the convex strips extend into the corresponding limiting grooves, and four vertically arranged auxiliary grooves are arranged on the second main body, the auxiliary grooves are communicated with the second placing groove, the communication positions of the four auxiliary grooves and the second placing groove respectively correspond to one side groove, the second upper die is composed of a second fixing plate and a second punch, the second punch is fixed at the bottom of the second fixing plate, and the second punch is used for punching the side grooves.

Preferably, a strip-shaped groove body is arranged on the mounting frame, the first lower die or the second lower die is arranged on the strip-shaped groove body, the first lower die and the second lower die can move along the strip-shaped groove body, and a push-pull device is arranged on the mounting frame and connected with the first lower die or the second lower die arranged on the strip-shaped groove body.

Preferably, the first punch comprises a central column and punching lugs, the central column can extend into the first placing groove, the inner diameter of the central column is slightly smaller than that of the first placing groove, and two punching lugs for punching out the convex strips are fixed on the side wall of the central column.

Preferably, the second punch is composed of four vertically arranged punching plates of an integrated structure, the four punching plates form a cross structure, each punching plate is used for punching a side groove, an arc-shaped surface is arranged at the lower end of each punching plate and used for punching the side grooves, one end of each arc-shaped surface is located at the bottommost end of each punching plate, the other end of each arc-shaped surface is located on the side wall of each punching plate, and the radian of each arc-shaped surface is 30-30 degrees.

Preferably, a supporting plate is arranged in the second placing groove, the supporting plate is connected with the bottom of the second placing groove through a spring, and the uppermost end of the pipe body is higher than the upper end face of the second main body block when the pipe body is placed on the supporting plate in an inverted mode.

Preferably, a pressing plate is arranged below the second fixing plate, the pressing plate is connected with the second fixing block through a plurality of spring telescopic rods, the second punch penetrates through the pressing plate, a first adaptive hole matched with the second punch is formed in the pressing plate, a second reset spring is sleeved outside the second punch, and the second reset spring is clamped between the second fixing plate and the pressing plate.

Preferably, the bottoms of the first fixing plate and the second fixing plate are respectively provided with a plurality of guide posts, the bottom ends of the guide posts are in an inverted cone frustum shape, the first main body block and the second main body block are respectively provided with guide holes matched with the guide posts, the guide posts on the second fixing plate penetrate through the pressing plate, and the pressing plate is provided with second adaptive holes matched with the guide posts.

The utility model has the beneficial effects that: the convex strips and the side holes are punched at one time by the first die, and the side grooves are punched by the second die, so that the heavy expansion pipe can be formed by punching for 2 times, and the production efficiency is improved; the support plate and the spring enable the punched heavy expansion pipe finished product to be automatically ejected out, and production efficiency is further improved.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a front view of a heavy expansion pipe stamping apparatus of the present invention;

FIG. 2 is a bottom view of a heavy expansion pipe of the heavy expansion pipe stamping apparatus of the present invention;

FIG. 3 is a front view of a heavy expansion pipe stamping apparatus of the present invention;

FIG. 4 is a front view of a first lower die of a heavy expansion pipe stamping apparatus of the present invention;

FIG. 5 is a front view of a first upper die of the heavy expansion pipe stamping apparatus of the present invention;

FIG. 6 is a second lower die top view of the heavy expansion pipe stamping apparatus of the present invention;

FIG. 7 is a second top die elevational view of the heavy expansion pipe stamping apparatus of the present invention;

figure 8 is a schematic of a second punch of a heavy expansion pipe stamping apparatus of the present invention.

In the figure: 1-pipe body, 2-mounting rack, 3-first lower die, 4-first upper die, 5-second lower die, 6-second upper die, 10-convex strip, 11-side hole, 12-side groove, 20-pressing device, 21-strip-shaped groove body, 22-push-pull device, 30-first main body block, 31-first placing groove, 32-communicating hole, 33-sliding groove, 34-ejector pin, 35-first reset spring, 36-sliding block, 37-first inclined plane, 40-first fixing plate, 41-first punch, 42-central column, 43-punching lug, 45-guide column, 46-pressing plate, 47-second inclined plane, 50-second main body block, 51-second placing groove, 52-supporting plate, 53-a limiting groove, 54-an auxiliary groove, 55-a guide hole, 60-a second fixing plate, 61-a second punch, 62-a punch plate, 63-an arc surface, 64-a second return spring, 65-a spring telescopic rod and 66-a pressing plate.

[ detailed description ] embodiments

Referring to fig. 1-8, the heavy expansion pipe stamping device of the utility model is formed by stamping a pipe body 1, wherein two convex strips 10 which are symmetrically distributed and bent outwards are stamped at the upper end of the pipe body 1, 4 side holes 11 which are uniformly distributed on the circumference of the pipe body 1 are stamped at the middle part of the pipe body 1, a vertically arranged side groove 12 is formed at the bottom of each side hole 11, the side groove 12 is opened at the lower end of the pipe body 1, the convex strips 10 and the through holes are not on the same vertical plane, the heavy expansion pipe stamping device comprises an installation frame 2, a pressing device 20, a first mold and a second mold, the first mold comprises a first upper mold 4 and a first lower mold 3, the first mold is used for stamping the convex strips 10 and the side holes 11, the second mold comprises a second upper mold 6 and a second lower mold 5, the second mold is used for stamping the side grooves 12, the installation frame 2 is used for installing the first lower mold 3 or the second lower mold 5, a down-pressing device 20 is arranged above the mounting frame 2, a first upper die 4 and a second upper die 6 are mounted at the movable end of the down-pressing device 20, the first lower die 3 is composed of a first main body block 30, a first placing groove 31, a sliding groove 33, a communicating hole 32, a sliding block 36 and a punching pin, the first placing groove 31 is vertically arranged in the middle of the first main body block 30, the distance between the lowest end of the protruding strip 10 and the lower end of the pipe body 1 is slightly larger than the depth of the first placing groove 31, four sliding grooves 33 which correspond to the side holes 11 one by one are arranged on the first main body block 30, the sliding grooves 33 are communicated with the first placing groove 31 through the horizontally arranged communicating hole 32, the sliding block 36 is arranged in the sliding groove 33, a thimble 34 used for punching out the side hole 11 is mounted on each sliding block 36, the thimble 34 extends into the communicating hole 32, a first return spring 35 in a compressed state is sleeved on the thimble 34, and a second return spring 64 is clamped between the sliding block 36 and the side wall of the sliding groove 33, the side of the slide block 36 far from the thimble 34 is a first inclined surface 37, the first inclined surface 37 inclines from top to bottom to the side far from the thimble 34, the first upper die 4 is composed of a first fixing plate 40, a first punch 41 and a pressing plate 46, the bottom of the first fixing plate 40 is fixed with 4 pressing plates 46 matched with the slide block 36 and 1 first punch 41 used for punching the convex strip 10, the pressing plate 46 is provided with a second inclined surface 47 matched with the first inclined surface 37, the horizontal distance between the bottommost end of the second inclined surface 47 and the ejector rod is smaller than the horizontal distance between the bottommost end of the first inclined surface 37 and the ejector rod, the second lower die 5 is composed of a second main body block 50, a second placing groove 51, a limiting groove 53 and an auxiliary groove 54, the middle part of the second main body block 50 is provided with a vertically arranged second placing groove 51, the depth of the second placing groove 51 is larger than the height of the pipe body 1, the side wall of the second placing groove 51 is provided with two vertically arranged limiting grooves 53, the two limiting grooves 53 correspond to the two convex strips 10 one by one respectively, when the pipe body 1 is placed in the second placing groove 51 in an inverted manner, the convex strips 10 extend into the corresponding limiting grooves 53, the second main body is provided with four auxiliary grooves 54 which are vertically arranged, the auxiliary grooves 54 are communicated with the second placing groove 51, the communication parts of the four auxiliary grooves 54 and the second placing groove 51 correspond to one side groove 12 respectively, the second upper die 6 is composed of a second fixing plate 60 and a second punch 61, the bottom of the second fixing plate 60 is fixed with the second punch 61, the second punch 61 is used for punching out the side groove 12, the mounting frame 2 is provided with a strip-shaped groove body 21, the first lower die 3 or the second lower die 5 is arranged on the strip-shaped groove body 21, the first lower die 3 and the second lower die 5 can move along the strip-shaped groove body 21, the mounting frame 2 is provided with a push-pull device 22, the push-pull device 22 is connected with the first lower die 3 or the second lower die 5 arranged on the strip-shaped groove body 21, the first punch 41 comprises a central column 42 and punching lugs 43, the central column 42 can extend into the first placing groove 31, the inner diameter of the central column 42 is slightly smaller than that of the first placing groove 31, two punching lugs 43 used for punching the convex strips 10 are fixed on the side wall of the central column 42, the second punch 61 comprises four vertically arranged punching plates 62 of an integrated structure, the four punching plates 62 form a cross structure, each punching plate 62 is used for punching one side groove 12, the lower end of each punching plate 62 is provided with an arc-shaped surface 63, the arc-shaped surface 63 is used for punching the side groove 12, one end of the arc-shaped surface 63 is located at the bottom end of the punching plate 62, the other end of the arc-shaped surface 63 is located on the side wall of the punching plate 62, the radian of the arc-shaped surface 63 is 30 degrees to 30 degrees, a support plate 52 is arranged in the second placing groove 51, the support plate 52 is connected with the groove bottom of the second placing groove 51 through a spring, the uppermost end of the tube body 1 is higher than the upper end surface of the second body block 50 when the tube body 1 is placed upside down on the support plate 52, a press plate 66 is arranged below the second fixing plate 60, the press plate 66 is connected with the second fixing block through a plurality of spring telescopic rods 65, the second punch 61 penetrates through the press plate 66, a first adaptive hole matched with the second punch 61 is arranged on the press plate 66, a second return spring 64 is sleeved outside the second punch 61, the second return spring 64 is clamped between the second fixing plate 60 and the press plate 66, the bottom of the first fixing plate 40 and the bottom of the second fixing plate 60 are both provided with a plurality of guide posts 45, the bottom ends of the guide posts 45 are in an inverted cone frustum shape, the first main body block 30 and the second main body block 50 are both provided with guide holes 55 matched with the guide posts 45, the guide posts 45 on the second fixing plate 60 penetrate through the pressing plate 66, and the pressing plate 66 is provided with second adaptive holes matched with the guide posts 45.

The working process of the utility model is as follows:

in the working process of the heavy expansion pipe stamping equipment, the raised lines 11 and the side holes 12 are stamped out by the first die at one time, and the side grooves 13 are stamped out by the second die, so that the heavy expansion pipe can be formed by stamping for 2 times, and the production efficiency is improved; the support plate 52 and the spring enable the punched heavy expansion pipe finished product to be automatically ejected, and production efficiency is further improved.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (7)

1. The utility model provides a heavy expansion pipe stamping equipment, heavy expansion pipe is formed by body (1) punching press, sand grip (10) of two symmetric distributions and outside buckling are gone out in the upper end punching press of body (1), 4 evenly distributed's side opening (11) on body (1) circumference are gone out in the middle part punching press of body (1), side wall (12) of a vertical setting are all seted up to the bottom of every side opening (11), side wall (12) are at the lower extreme opening of body (1), sand grip (10) and through-hole are not on same vertical face, its characterized in that: comprises a mounting frame (2), a pressing device (20), a first mold and a second mold, wherein the first mold comprises a first upper mold (4) and a first lower mold (3), the first mold is used for punching a convex strip (10) and a side hole (11), the second mold comprises a second upper mold (6) and a second lower mold (5), the second mold is used for punching a side groove (12), the mounting frame (2) is used for installing the first lower mold (3) or the second lower mold (5), the pressing device (20) is arranged above the mounting frame (2), the first upper mold (4) and the second upper mold (6) are installed at the movable end of the pressing device (20), the first lower mold (3) comprises a first main body block (30), a first placing groove (31), a sliding groove (33), a communication hole (32), a sliding block (36) and a punching needle, the first placing groove (31) which is vertically arranged is arranged in the middle of the first main body block (30), the distance between the lowermost end of the convex strip (10) and the lower end of the pipe body (1) is slightly larger than the depth of the first placing groove (31), four sliding grooves (33) which correspond to the side holes (11) one by one are arranged on the first main body block (30), the sliding grooves (33) are communicated with the first placing groove (31) through horizontally arranged communication holes (32), sliding blocks (36) are arranged in the sliding grooves (33), each sliding block (36) is provided with an ejector pin (34) used for punching out the side holes (11), the ejector pin (34) extends into the communication holes (32), the ejector pin (34) is sleeved with a first return spring (35) in a compression state, a second return spring (64) is clamped between the sliding blocks (36) and the side wall of the sliding groove (33), the side of the sliding block (36) far away from the ejector pin (34) is a first inclined surface (37), and the first inclined surface (37) inclines from the upper part to the side far away from the ejector pin (34) downwards, the first upper die (4) is composed of a first fixing plate (40), a first punch head (41) and a pressing plate (46), the bottom of the first fixing plate (40) is fixedly provided with 4 pressing plates (46) matched with the sliding block (36) and 1 first punch head (41) used for punching the convex strip (10), the pressing plate (46) is provided with a second inclined plane (47) matched with the first inclined plane (37), the horizontal distance between the bottommost end of the second inclined plane (47) and the ejector rod is smaller than the horizontal distance between the bottommost end of the first inclined plane (37) and the ejector rod, the second lower die (5) is composed of a second main body block (50), a second placing groove (51), a limiting groove (53) and an auxiliary groove (54), the middle part of the second main body block (50) is provided with a second placing groove (51) which is vertically arranged, and the depth of the second placing groove (51) is larger than the height of the pipe body (1), be equipped with two vertical setting's spacing groove (53) on the lateral wall of second standing groove (51), two spacing groove (53) respectively with two sand grip (10) one-to-one, in sand grip (10) stretched into corresponding spacing groove (53) when putting into second standing groove (51) of body (1) inversion, be equipped with four vertical setting's auxiliary tank (54) in the second main part, auxiliary tank (54) are linked together with second standing groove (51), and four auxiliary tank (54) correspond a side channel (12) respectively with the intercommunication department of second standing groove (51), mould (6) are gone up by second fixed plate (60), second drift (61) and are constituteed in the second, and the bottom of second fixed plate (60) is fixed with second drift (61), and second drift (61) are used for punching out side channel (12).

2. The heavy expansion pipe stamping apparatus of claim 1, wherein: the mounting rack is characterized in that a strip-shaped groove body (21) is arranged on the mounting rack (2), the first lower die (3) or the second lower die (5) are arranged on the strip-shaped groove body (21), the first lower die (3) and the second lower die (5) can move along the strip-shaped groove body (21), a push-pull device (22) is arranged on the mounting rack (2), and the push-pull device (22) is connected with the first lower die (3) or the second lower die (5) arranged on the strip-shaped groove body (21).

3. The heavy expansion pipe stamping apparatus of claim 1, wherein: the first punch (41) is composed of a central column (42) and punching lugs (43), the central column (42) can extend into the first placing groove (31), the inner diameter of the central column (42) is slightly smaller than that of the first placing groove (31), and two punching lugs (43) used for punching the convex strips (10) are fixed on the side wall of the central column (42).

4. The heavy expansion pipe stamping apparatus of claim 1, wherein: the second punch (61) is composed of four punching plates (62) which are vertically arranged and have an integrated structure, the four punching plates (62) form a cross structure, each punching plate (62) is used for punching one side groove (12), an arc-shaped surface (63) is arranged at the lower end of each punching plate (62), each arc-shaped surface (63) is used for punching one side groove (12), one end of each arc-shaped surface (63) is located at the bottommost end of each punching plate (62), the other end of each arc-shaped surface (63) is located on the side wall of each punching plate (62), and the radian of each arc-shaped surface (63) is 30-30 degrees.

5. The heavy expansion pipe stamping apparatus of claim 1, wherein: a supporting plate (52) is arranged in the second placing groove (51), the supporting plate (52) is connected with the bottom of the second placing groove (51) through a spring, and the uppermost end of the pipe body (1) is higher than the upper end face of the second main body block (50) when the pipe body (1) is placed on the supporting plate (52) in an inverted mode.

6. The heavy duty expansion pipe stamping apparatus of claim 5, wherein: the lower part of second fixed plate (60) is equipped with a clamp plate (66), link to each other through a plurality of spring telescopic links (65) between clamp plate (66) and the second fixed block, and second drift (61) pierce through clamp plate (66), is equipped with the first adaptation hole that suits with second drift (61) on clamp plate (66), and second drift (61) outside cover has a second reset spring (64), and second reset spring (64) clamp is between second fixed plate (60) and clamp plate (66).

7. The heavy expansion pipe stamping apparatus of claim 6, wherein: first fixed plate (40) and second fixed plate (60) bottom all are equipped with a plurality of guide posts (45), and the bottom of guide post (45) is the frustum of a cone of inversion, all is equipped with on first main part piece (30) and the second main part piece (50) with guide post (45) matched with guiding hole (55), and guide post (45) on second fixed plate (60) pierces through clamp plate (66), is equipped with the second adaptation hole that suits with guide post (45) on clamp plate (66).

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