CN216606956U

CN216606956U - Pipe end expanding and shrinking machine for exhaust pipe production

Info

Publication number: CN216606956U
Application number: CN202122020379.0U
Authority: CN
Inventors: 卢明森; 童鑫; 刘树春
Original assignee: Sheng'an Suzhou Auto Parts Co ltd
Current assignee: Sheng'an Suzhou Auto Parts Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-05-27
Anticipated expiration: 2031-08-25

Abstract

The utility model belongs to the technical field of exhaust pipe processing, and particularly relates to a pipe end expanding and contracting machine for exhaust pipe production. The upper ends of the two first sliding blocks distributed on the left side and the right side of the bottom plate are respectively provided with the expansion and contraction machine bodies, so that two ends of one exhaust pipe can be simultaneously subjected to expansion and contraction treatment, the expansion and contraction machine bodies can move relatively through the arrangement of the mouth-shaped sliding plate, the first through groove, the first air cylinder and the mouth-shaped lifting plate, the height of the expansion and contraction machine bodies can be changed, the expansion and contraction machine bodies can treat the exhaust pipes with different lengths and different diameters, the two expansion and contraction machine bodies can be distributed in a staggered mode through the arrangement of the motor, the screw rod and the first sliding block, and when only one pipe end needs to be treated by the exhaust pipe, the two exhaust pipes can be treated simultaneously.

Description

Pipe end expanding and shrinking machine for exhaust pipe production

Technical Field

The utility model relates to the technical field of exhaust pipe processing, in particular to a pipe end expander for exhaust pipe production.

Background

In order to meet the use requirements of the pipe fittings, the pipe diameter meeting the use requirements is generally required to be expanded and contracted at one end or two ends of the pipe fittings, the pipe contracting machine is used for expanding and contracting the end faces of the pipe fittings in a normal state, the hydraulic full-automatic pipe end processing machine controlled by an integrated control touch display screen is used for replacing a die, pipe end processing forming such as pipe expanding, pipe contracting, bulging, upsetting ribs and the like can be carried out on the pipe fittings, and a manual, inching or automatic processing machine tool can be freely adopted according to the needs of users and consists of main parts such as an oil tank, a lathe bed, a first sliding block, a main oil cylinder, a die core rod (selected), a limiting oil cylinder, a pressing oil cylinder, a clamping die, an axial positioning oil cylinder, an axial positioning angle iron and the like.

When the common pipe end expanding and contracting machine operates, the pipe end on one side of one exhaust pipe can be expanded and contracted, when the two ends are required to be expanded and contracted, the air pipe conversion direction needs to be taken out and then put in, the production time is wasted, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a pipe end expanding and contracting machine for producing an exhaust pipe, which solves the problem that two pipe ends cannot be expanded and contracted simultaneously in the background technology.

The second technical proposal.

The utility model specifically adopts the following technical scheme for realizing the purpose:

a pipe end expanding and contracting machine for exhaust pipe production comprises a bottom plate, wherein two mouth-shaped sliding plates are connected to the bottom plate in a sliding mode through two parallel through grooves I, straight plates are arranged at two ends of the upper surface of each mouth-shaped sliding plate, a cylinder I is fixed to the middle position of the upper surface of each mouth-shaped sliding plate, the driving end of the cylinder I is connected with a mouth-shaped lifting plate, a motor is fixed to one end of the inner side wall of each mouth-shaped lifting plate, the driving end of the motor is connected with a lead screw, a slider I is connected to the lead screw in a threaded mode, a through groove II is formed in the upper end of each mouth-shaped lifting plate in the length direction of the upper end of the mouth-shaped lifting plate, one end of the slider I penetrates through the through groove II to extend to the upper portion of the mouth-shaped lifting plate and is connected with the mouth-shaped lifting plate in a sliding mode, an expanding and contracting machine body is fixed to the upper end of the expanding and contracting machine body faces to the middle position of the bottom plate, an L-shaped plate is fixedly connected with an L-shaped plate, and a cylinder III is fixed to the L-shaped plate, the piston rod of cylinder three runs through the L template and extends to its below and fixedly connected with punch holder, the intermediate position of bottom plate upper surface is connected with the lower plate through the straight-bar, two clamp grooves that match each other are seted up to the equal symmetry of one end that punch holder and lower plate are relative, and presss from both sides the inslot and be equipped with the rubber pad, the lower surface of bottom plate is equipped with the stabilizer blade.

Furthermore, a first sliding groove is formed in one end, facing the mouth-shaped lifting plate, of the straight plate, and protruding blocks in sliding fit with the first sliding grooves are arranged on the outer side walls of the two ends of the mouth-shaped lifting plate.

Further, the lower surface of bottom plate dislocation is provided with two cylinders two, two the piston rod of cylinder two is respectively towards two shape of mouth slides, two the lower extreme of shape of mouth slide all is equipped with the connecting block that links to each other with the piston rod of cylinder two.

Furthermore, the middle position of the lower surface of the bottom plate is fixed with a guide rod through a connecting plate, and the middle position of the lower surface of the mouth-shaped sliding plate is provided with a sliding sleeve sleeved with the guide rod.

Furthermore, a second sliding groove is formed in one end, facing the upper clamping plate, of the L-shaped plate, and a second sliding block in sliding fit with the second sliding groove is arranged on one side wall of the upper clamping plate.

Furthermore, rubber pad all is equipped with the rubber fixed head towards the one end that presss from both sides the groove, all set up the through hole of joint rubber fixed head on punch holder and the lower plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a pipe end expander for exhaust pipe production, which has the following beneficial effects:

according to the utility model, the upper ends of the two first sliding blocks distributed on the left side and the right side of the bottom plate are respectively provided with the expansion and contraction machine bodies, so that the two ends of one exhaust pipe can be subjected to expansion and contraction treatment simultaneously, the expansion and contraction machine bodies can move relatively by arranging the mouth-shaped sliding plate, the first through groove, the first air cylinder and the mouth-shaped lifting plate, the height of the expansion and contraction machine bodies can be changed simultaneously, the expansion and contraction machine bodies can treat the exhaust pipes with different lengths and different diameters, the two expansion and contraction machine bodies can be distributed in a staggered manner by arranging the motor, the screw rod and the first sliding block, and when only one pipe end needs to be treated by the exhaust pipe, the two exhaust pipes can be treated simultaneously.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of another embodiment of the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic view of the slide plate of the present invention;

fig. 5 is a schematic view of the rubber pad structure of the present invention.

In the figure: 1. a base plate; 2. a first through groove; 3. a mouth-shaped slide plate; 301. connecting blocks; 302. a sliding sleeve; 4. a straight plate; 401. a first sliding chute; 5. a first cylinder; 6. a mouth-shaped lifting plate; 601. a bump; 7. a motor; 8. a screw rod; 9. a first sliding block; 10. a second through groove; 11. a shrinking and enlarging machine body; 12. a second air cylinder; 13. a guide bar; 14. an L-shaped plate; 1401. a second chute; 15. a third air cylinder; 16. an upper splint; 17. a lower splint; 18. a rubber pad; 1801. a rubber fixing head; 19. and (3) a support leg.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1, 2 and 4, a pipe end expander for exhaust pipe production according to an embodiment of the present invention includes a bottom plate 1, two mouth-shaped sliding plates 3 are slidably connected to the bottom plate 1 through two parallel through grooves one 2, two ends of an upper surface of each mouth-shaped sliding plate 3 are respectively provided with a straight plate 4, a cylinder one 5 is fixed to a middle position of the upper surface, a driving end of the cylinder one 5 is connected to a mouth-shaped lifting plate 6, one end of an inner side wall of the mouth-shaped lifting plate 6 is fixed to a motor 7, a driving end of the motor 7 is connected to a lead screw 8, the lead screw 8 is in threaded connection with a slider one 9, an upper end of the mouth-shaped lifting plate 6 is provided with a through groove two 10 along a length direction thereof, one end of the slider one 9 penetrates through the through groove two 10 and extends to and is slidably connected to the mouth-shaped lifting plate 6, an upper end of the slider one is fixed to a expander body 11, the expander body 11 faces to the middle position of the bottom plate 1, the rear side of the upper surface of the bottom plate 1 is fixedly connected with an L-shaped plate 14, a third air cylinder 15 is fixed on the L-shaped plate 14, a piston rod of the third air cylinder 15 penetrates through the L-shaped plate 14 to extend to the lower part of the L-shaped plate and is fixedly connected with an upper clamping plate 16, the middle position of the upper surface of the bottom plate 1 is connected with a lower clamping plate 17 through a straight rod, two clamping grooves which are matched with each other are symmetrically formed in one end, opposite to the upper clamping plate 16 and the lower clamping plate 17, rubber pads 18 are arranged in the clamping grooves, supporting legs 19 are arranged on the lower surface of the bottom plate 1, when the device is used, an exhaust pipe is placed in the clamping grooves formed in the surface of the lower clamping plate 17, the upper clamping plate 16 is driven to move through the third air cylinder 15, the upper clamping plate 16 and the lower clamping plate 17 fix the exhaust pipe, the expander body 11 is coaxial with the exhaust pipe by changing the extending length of the piston rod of the first air cylinder 5 and the position of the first sliding block 9, the opening-shaped sliding plate 3 enables the two expander bodies 11 to be fixed at two ends of the exhaust pipe respectively, the two ends of the exhaust pipes are subjected to expansion and contraction processing, when the exhaust pipes only need to process one pipe end, the two exhaust pipes are placed in the clamping grooves of the lower clamping plate 17, the pipe ends of the two exhaust pipes which need to be expanded and contracted are not located on the same side, and the two expansion and contraction machine bodies 11 are made to process the pipe ends of the two exhaust pipes which need to be expanded and contracted through movement of the first sliding block 9.

As shown in fig. 4, in some embodiments, the straight plate 4 has a first sliding groove 401 at one end facing the first die lifter plate 6, and the outer side walls at the two ends of the first die lifter plate 6 have a protruding block 601 slidably engaged with the first sliding groove 401, so that the first sliding groove 401 and the protruding block 601 are arranged to prevent the first die lifter plate 6 from tilting when the cylinder 5 pushes the first die lifter plate 6 to ascend.

As shown in fig. 2 and 3, in some embodiments, two air cylinders two 12 are arranged on the lower surface of the bottom plate 1 in a staggered manner, piston rods of the two air cylinders two 12 face the two die slides 3 respectively, the lower ends of the two die slides 3 are provided with connecting blocks 301 connected with the piston rods of the air cylinders two 12, and the sliding of the die slides 3 is controlled conveniently by arranging the air cylinders two 12 and the connecting blocks 301.

As shown in fig. 2 and 3, in some embodiments, a guide rod 13 is fixed at a middle position of the lower surface of the bottom plate 1 through a connecting plate, sliding sleeves 302 sleeved with the guide rods 13 are respectively arranged at middle positions of the lower surfaces of the mouth-shaped skateboards 3, and the mouth-shaped skateboards 3 are prevented from tilting during sliding through the arrangement of the guide rods 13 and the sliding sleeves 302.

As shown in fig. 3, in some embodiments, one end of the L-shaped plate 14 facing the upper clamping plate 16 is provided with a second sliding groove 1401, and a second sliding block which is slidably fitted with the second sliding groove 1401 is provided on a side wall of the upper clamping plate 16, so that the upper clamping plate 16 is prevented from tilting during lifting by the arrangement of the second sliding groove 1401 and the second sliding block.

As shown in fig. 2 and 5, in some embodiments, rubber pads 18 are provided with rubber fixing heads 1801 at ends facing the clamping groove, and through holes for clamping the rubber fixing heads 1801 are provided on the upper clamping plate 16 and the lower clamping plate 17, so that the rubber pads 18 can be conveniently fixed inside the clamping groove and the rubber pads 18 can be conveniently replaced by the rubber fixing heads 1801.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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

1. The utility model provides a blast pipe production is with pipe end expander, includes bottom plate (1), its characterized in that: the bottom plate (1) is connected with two mouth-shaped sliding plates (3) in a sliding manner through two parallel through grooves I (2), two ends of the upper surface of each mouth-shaped sliding plate (3) are respectively provided with a straight plate (4), a cylinder I (5) is fixed at the middle position of the upper surface of each mouth-shaped sliding plate, the driving end of each cylinder I (5) is connected with a mouth-shaped lifting plate (6), one end of the inner side wall of each mouth-shaped lifting plate (6) is fixed with a motor (7), the driving end of each motor (7) is connected with a lead screw (8), a slide block I (9) is in threaded connection with each lead screw (8), the upper end of each mouth-shaped lifting plate (6) is provided with a through groove II (10) along the length direction thereof, one end of each slide block I (9) penetrates through the through groove II (10) and extends to the upper part of the mouth-shaped lifting plate (6) and is in sliding connection with the same, and the upper end of each slide block I is fixed with a contraction machine body (11), expand the intermediate position that contracts machine body (11) all towards bottom plate (1), the rear side fixedly connected with L template (14) of bottom plate (1) upper surface, be fixed with cylinder three (15) on L template (14), the piston rod of cylinder three (15) runs through L template (14) and extends to its below and fixedly connected with punch holder (16), the intermediate position of bottom plate (1) upper surface is connected with lower plate (17) through the straight-bar, two clamp grooves that match each other are seted up to the equal symmetry of one end that punch holder (16) and lower plate (17) are relative, and press from both sides the inslot and be equipped with rubber pad (18), the lower surface of bottom plate (1) is equipped with stabilizer blade (19).

2. The pipe end expander for exhaust pipe production according to claim 1, wherein: the straight plate (4) has all been seted up spout one (401) towards the one end of mouth shape lifter plate (6), all be equipped with on the lateral wall at mouth shape lifter plate (6) both ends with spout one (401) sliding fit's lug (601).

3. The pipe end expander for exhaust pipe production according to claim 1, wherein: the lower surface of bottom plate (1) dislocation is provided with two cylinders two (12), two the piston rod of cylinder two (12) is respectively towards two mouth shape slides (3), two the lower extreme of mouth shape slide (3) all is equipped with connecting block (301) that link to each other with the piston rod of cylinder two (12).

4. The pipe end expander for exhaust pipe production according to claim 1, wherein: the middle position of bottom plate (1) lower surface is fixed with guide arm (13) through the connecting plate, the middle position of mouth type slide (3) lower surface all is equipped with sliding sleeve (302) that cup joints with guide arm (13).

5. The pipe end expander for exhaust pipe production according to claim 1, wherein: one end of the L-shaped plate (14) facing the upper clamping plate (16) is provided with a second sliding groove (1401), and one side wall of the upper clamping plate (16) is provided with a second sliding block in sliding fit with the second sliding groove (1401).

6. The pipe end expander for exhaust pipe production according to claim 1, wherein: rubber pad (18) all are equipped with rubber fixed head (1801) towards the one end of pressing from both sides the groove, all set up the through hole of joint rubber fixed head (1801) on punch holder (16) and lower plate (17).