CN219915151U

CN219915151U - Bending device

Info

Publication number: CN219915151U
Application number: CN202321282985.2U
Authority: CN
Inventors: 邵恒; 张洪勇; 高才峰; 余华燕; 李叶威; 金森杰
Original assignee: Zhejiang Traffic Detection Co ltd
Current assignee: Zhejiang Traffic Detection Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-10-27
Anticipated expiration: 2033-05-24

Abstract

The utility model relates to a bending device which comprises a base and a vertical pipe, wherein the vertical pipe which is in bending arrangement is provided with a port for placing a corrugated pipe and a cavity for accommodating the corrugated pipe, a plurality of first adjusting pieces and a plurality of second adjusting pieces are connected to the circumferential threads of the vertical pipe, and the part of the first adjusting piece positioned in the cavity and the part of the second adjusting piece positioned in the cavity are in butt joint with the corrugated pipe. According to the utility model, corrugated pipes with different diameters can be accommodated in the vertical pipe within the volume range of the vertical pipe, the first adjusting piece and the second adjusting piece are matched with each other to be capable of adapting to the corrugated pipes with different diameters, and bending operation is performed on the corrugated pipes, so that the corrugated pipes with different specifications and shapes can be processed without changing equipment, thereby reducing time cost and improving production efficiency.

Description

Bending device

Technical Field

The utility model relates to the field of bending devices, in particular to a bending device.

Background

The bending test of the bellows is to test the stability and durability of the bellows in a bent state. The bellows is generally placed on a bending die by a special device, and the durability of the bellows is evaluated by observing whether cracks, deformation and the like appear on the surface of the bellows.

The existing bending device comprises a base, a vertical plate and a support, wherein a metal corrugated pipe is inserted into the vertical plate from an upper end opening of the vertical plate, bending is conducted on the metal corrugated pipe through the bending shape of the vertical plate, the specification pipe diameter of the metal corrugated pipe is more, and the metal corrugated pipe is inconvenient to adapt to various bending devices.

Disclosure of Invention

In order to bend corrugated pipes of different dimensions, the utility model provides a bending device.

The bending device provided by the utility model adopts the following technical scheme:

the utility model provides a bending device, includes base and riser, is the riser that the bending set up and is equipped with the port that supplies the bellows to place and accomodates the cavity of bellows, and the circumference threaded connection of riser has a plurality of first regulating parts and a plurality of second regulating parts, and the part that first regulating part is located the cavity and the part that the second regulating part is located the cavity all with the bellows butt.

Through adopting above-mentioned technical scheme, can accomodate the bellows of different diameter specifications in the volume within range of riser in the riser, the bellows of different diameter specifications that first regulating part and second regulating part mutually supported can the adaptation go on and to its operation of buckling, need not to change equipment just can handle the bellows of different specifications and shape to time cost has been reduced, production efficiency has been improved.

Optionally, the riser is equipped with first regulation side and second regulation side, and first regulation side sets up with the second regulation side is relative, and a plurality of first regulating parts set up along the length direction array of riser and with first regulation side threaded connection, a plurality of second regulating parts and second regulation side threaded connection, second regulating part set up with first regulating part is relative, and a set of second regulating part and first regulating part that set up relatively are relative or opposite direction and move.

Through adopting above-mentioned technical scheme to make first regulating part and second regulating part can play the centre gripping effect to the bellows, reduce the risk of first regulating part and bellows slippage, the angle that first regulating part and second regulating part cooperation can control the bellows and buckle, the pressure when a plurality of first regulating parts and second regulating part can share the bellows and buckle, thereby reduce stress concentration and lead to the risk of first regulating part and/or second regulating part damage.

Optionally, the first adjusting piece includes knob, threaded rod and backing plate, and threaded rod and riser threaded connection, the tip that the threaded rod is located the cavity end is connected with the backing plate, and the tip that the threaded rod is located the cavity outside is connected with the knob.

By adopting the technical scheme, an operator controls the threaded rod to rotate through the knob, so that the base plate is controlled to be close to or far away from the corrugated pipe, the operation hand feeling of the operator is enhanced, and the operation is more convenient and accurate; the gasket can play the effect of separating threaded rod and bellows, reduces the wearing and tearing of screw thread pole to the bellows.

Optionally, the circumference of the threaded rod is provided with a metering side marked with graduations, the metering side being arranged along the length direction of the threaded rod.

Through adopting above-mentioned technical scheme, operating personnel can be through reading the reading of measurement side to can calculate the angle of buckling of bellows.

Optionally, be equipped with the observation side between first regulation side and the second regulation side, the observation side is equipped with a plurality of observation windows with the cavity intercommunication, and the observation window sets up along the length direction array of riser.

Through adopting above-mentioned technical scheme, the operating personnel of being convenient for are to the crooked degree of each pipeline section of bellows in the cavity to and the regulation of the clamping state of first regulating part, second regulating part and bellows, have ensured the intensity and the rigidity of riser simultaneously.

Optionally, the base is equipped with limit structure, and limit structure includes adjusting ring and a plurality of gag lever post, and the circumferential direction of adjusting ring and riser is connected, and the inner wall of adjusting ring is equipped with the adjustment tank corresponding with the gag lever post, and the bottom surface is the arc surface that sets up towards the opening slope, and the one end and the ring face butt of gag lever post, the bellows butt in the other end and the cavity.

Through adopting above-mentioned technical scheme, after the cavity of riser is inserted to the bellows, operating personnel rotates the adjusting ring for the gag lever post removes along the bellows direction in the circular arc face orientation cavity, and supports tightly with the bellows, thereby has played the centre gripping and the effect of location to the bellows, and easy operation is swift, in order to improve operating efficiency.

Optionally, the stop lever has cup jointed the spring, and the one end and the stop lever fixed connection of spring, the other end and riser fixed connection.

Through adopting above-mentioned technical scheme, after the bellows is accomplished buckling, operating personnel reverse rotation adjusting ring, the spring release elastic potential energy forces the gag lever post to move towards the direction of keeping away from the bellows to the contact is to the restriction of bellows, and the operating personnel of being convenient for takes out the bellows.

Alternatively, the opposite side of the viewing side is provided as an opening.

By adopting the technical scheme, an operator can conveniently install the corrugated pipe in the vertical pipe.

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

1. in the volume range of the vertical pipe, corrugated pipes with different diameters can be stored in the vertical pipe, the first adjusting piece and the second adjusting piece are matched with each other, the corrugated pipes with different diameters can be matched and subjected to bending operation, and the corrugated pipes with different specifications and shapes can be processed without changing equipment, so that the time cost is reduced, and the production efficiency is improved;

2. the first adjusting piece and the second adjusting piece can clamp the corrugated pipe, so that the risk of slipping of the first adjusting piece and the corrugated pipe is reduced;

3. the first and second adjustment members are capable of sharing the pressure of the bellows when it is bent, thereby reducing the risk of stress concentrations causing damage to the first and/or second adjustment members.

Drawings

FIG. 1 is a schematic illustration of the positional relationship between a bending apparatus and a bellows of the present utility model.

Fig. 2 is a schematic view of the structure of the riser of the present utility model.

Fig. 3 is a schematic structural view of a first regulating member of the present utility model.

Fig. 4 is a schematic structural view of a bending apparatus according to embodiment 2 of the present utility model.

Fig. 5 is a schematic cross-sectional view of a limiting structure of embodiment 2 of the present utility model.

Fig. 6 is an exploded view of a limit structure according to embodiment 2 of the present utility model.

Reference numerals illustrate: 1. a base; 2. a riser; 21. a chamber; 22. a port; 23. a first adjustment side; 24. a second adjustment side; 25. a first positioning hole; 26. a second positioning hole; 27. an observation side; 28. an observation window; 3. a first adjustment member; 31. a knob; 32. a threaded rod; 33. a backing plate; 34. a metering side; 4. a second adjusting member; 5. a limit structure; 51. an adjusting ring; 52. a limit rod; 53. a spring; 54. an adjustment tank; 55. an arc surface; 101. a bellows.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The embodiment of the utility model discloses a bending device.

Example 1:

referring to fig. 1, the bending apparatus comprises a base 1 and a riser 2, the bottom of the riser 2 being closed, the interior of the riser 2 being provided with a chamber 21 for housing a bellows 101, the top of the riser 2 being provided with a port 22 for the bellows 101 to enter the chamber 21. The circumference of the vertical pipe 2 is provided with a plurality of first adjusting pieces 3 and a plurality of second adjusting pieces 4, the first adjusting pieces 3 and the second adjusting pieces 4 are mutually matched, the corrugated pipe 101 with various types and specifications can be adapted in the diameter range of the cavity 21 of the vertical pipe 2, the corrugated pipe 101 is used for adjusting the bending angle of the corrugated pipe 101 in the cavity 21, the bending angle can be effectively calculated by operators,

referring to fig. 2, the standing plate is provided with a first adjustment side 23 and a second adjustment side 24, the first adjustment side 23 is disposed opposite to the second adjustment side 24, the first adjustment side 23 is bent toward the second adjustment side 24, and the second adjustment side 24 is bent in the same direction as the first adjustment side 23. In the present embodiment, the first adjusting side 23 and the second adjusting side 24 are parallel to each other, and the curvature of the first adjusting side 23 and the curvature of the second adjusting side 24 are the same, so that the feeding amount of the adjusting member in the chamber 21 can more accurately reflect the curvature degree of the bellows 101.

The first adjusting side 23 is provided with a number of first positioning holes 25, which first positioning holes 25 are evenly distributed along the length direction of the riser 2. The first locating holes 25 are arranged in a single-row array along the direction of the vertical pipe 2, the distances between the first locating holes 25 and the two edges of the first adjusting side 23 are the same, and the first adjusting pieces 3 are in one-to-one threaded connection with the first locating holes 25, so that the first adjusting pieces 3 can be opposite to the corrugated pipe 101, and the risk of slipping of the first adjusting pieces 3 and the corrugated pipe 101 is reduced.

The second adjusting side 24 is provided with a plurality of second positioning holes 26, the second positioning holes 26 are uniformly distributed along the length direction of the vertical pipe 2, the plurality of second positioning holes 26 are arranged in a single-row array along the direction of the vertical pipe 2, and the plurality of second adjusting pieces 4 are in one-to-one corresponding threaded connection with the plurality of second positioning holes 26. The second positioning holes 26 are the same as the distance between the two edges of the second adjusting side 24, and the second positioning holes 26 are in one-to-one correspondence with the first positioning holes 25. The axis of relative first regulating part 3 and the axis of second regulating part 4 are collinear, and the common cooperation of first regulating part 3 and second regulating part 4 centre gripping bellows 101 of different diameter specifications can guarantee that bellows 101 is by being followed an accurate axis and is cliied, can be more stable and balanced when centre gripping bellows 101 for bellows 101 is difficult for sliding or rotation.

Referring to fig. 3, in the present embodiment, the first regulating member 3 and the second regulating member 4 have the same structure, taking the mechanism of the first regulating member 3 as an example. The first adjustment member 3 comprises a knob 31, a threaded rod 32 and a backing plate 33, the threaded rod 32 being threadedly connected to the first positioning hole 25 such that the first adjustment member 3 is located partially within the cavity 21 of the riser 2 and partially outside the riser 2. The threaded rod 32 is positioned at the end part of the cavity 21 and is fixedly connected with the backing plate 33, so that the contact area between the threaded rod 32 and the corrugated pipe 101 is increased, the stability is improved, and meanwhile, the threaded rod 32 is prevented from being in direct contact with the corrugated pipe 101, and the risk of abrasion of the threaded rod 32 to the corrugated pipe 101 is avoided; the end of the threaded rod 32 positioned outside the vertical pipe 2 is fixedly connected with the knob 31, so that an operator can conveniently control the threaded rod 32 to rotate, and the operation handfeel and accuracy are enhanced. The circumference that threaded rod 32 was equipped with is equipped with measurement side 34, and measurement side 34 sets up along the length direction of threaded rod 32, supplies the operating personnel to calculate the bending angle of bellows 101.

Referring to fig. 2, the riser 2 is provided with a viewing side 27, the viewing side 27 being located between the first and second adjustment sides 23, 24, the viewing side 27 being provided with a number of viewing windows 28, the viewing windows 28 being in communication with the chamber 21. The plurality of observation windows 28 are distributed along the length direction of the vertical pipe 2, so that the bending degree of each pipe section of the corrugated pipe 101 in the cavity 21 and the clamping states of the first adjusting piece 3, the second adjusting piece 4 and the corrugated pipe 101 are conveniently adjusted by operators, and meanwhile, the strength and the rigidity of the vertical pipe 2 are guaranteed. The opposite side of the observation side 27 is provided with an opening, so that an operator can conveniently place the corrugated pipe 101 in the cavity 21 of the vertical pipe 2, and the operation convenience of the operator is improved, thereby improving the working efficiency.

The implementation principle of the embodiment 1 is as follows: an operator places the bellows 101 from the port 22 into the chamber 21 of the riser 2, and the operator rotates the first 3 and second 4 adjustment members at a position intermediate the riser 2 such that the distance from the outer wall of the bellows 101 to the first adjustment side 23 is the same as the distance to the second adjustment side 24, and the initial positioning of the bellows 101 is performed. The two sets of first and second adjusting members 3 and 4 at the top and bottom of the riser 2 are rotated to abut against the bellows 101, thereby secondarily positioning the bellows 101. The first 3 and second 4 adjustment members are then rotated stepwise to cause bending of the bellows 101, and the operator can calculate parameters such as the bending angle of the bellows 101 from the reading of the metering side 34 of the threaded rod 32.

Example 2:

referring to fig. 4 and 5, the present embodiment is different from embodiment 1 in that the base 1 is provided with a limiting structure 5, and the limiting structure 5 includes a plurality of limiting rods 52 of an adjusting ring 51 and a plurality of springs 53. The adjusting ring 51 is rotatably connected with the base 1, a plurality of adjusting grooves 54 are formed in the inner wall of the adjusting ring 51, and the bottom surface is a smooth arc surface 55 obliquely arranged towards the opening.

Referring to fig. 6, in the present embodiment, the number of the limiting rod 52, the spring 53 and the adjusting groove 54 is three, and the limiting groove, the limiting rod 52 and the spring 53 are in one-to-one correspondence. The stopper rod 52 is slidably connected to the riser pipe 2, one end of the stopper rod 52 abuts against the arcuate surface 55 of the adjustment groove 54, and the other end is disposed toward the bellows 101 in the chamber 21. The spring 53 is sleeved with the limiting rod 52, one end of the spring 53 is fixedly connected with the limiting rod 52, and the other end of the spring 53 is fixedly connected with the vertical pipe 2.

The implementation principle of the embodiment 2 is as follows: when the corrugated pipe 101 is placed in the cavity 21 of the vertical pipe 2, an operator rotates the adjusting ring 51, so that the limiting rod 52 is forced to be in circumferential abutting connection with the corrugated pipe 101, the clamping effect on the corrugated pipe 101 is achieved, the corrugated pipe 101 is initially positioned, the first adjusting piece 3 and the second adjusting piece 4 are replaced, operation steps are saved, and the working efficiency is improved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A bending apparatus, characterized in that: including base (1) and riser (2), be crooked setting riser (2) are equipped with port (22) that supply bellows (101) to place and accomodate cavity (21) of bellows (101), the circumference threaded connection of riser (2) has a plurality of first regulating members (3) and a plurality of second regulating members (4), the part that first regulating member (3) are located cavity (21) and the part that second regulating member (4) are located cavity (21) all with bellows (101) butt.

2. The bending apparatus according to claim 1, wherein: the vertical pipe (2) is provided with a first adjusting side (23) and a second adjusting side (24), the first adjusting side (23) and the second adjusting side (24) are oppositely arranged, a plurality of first adjusting pieces (3) are arranged along the length direction array of the vertical pipe (2) and are in threaded connection with the first adjusting side (23), a plurality of second adjusting pieces (4) are in threaded connection with the second adjusting side (24), the second adjusting pieces (4) and the first adjusting pieces (3) are oppositely arranged, and a group of second adjusting pieces (4) and the first adjusting pieces (3) which are oppositely arranged are oppositely or oppositely move.

3. The bending apparatus according to claim 1, wherein: the first adjusting piece (3) comprises a knob (31), a threaded rod (32) and a backing plate (33), the threaded rod (32) is in threaded connection with the vertical pipe (2), the end part of the threaded rod (32) located at the end of the cavity (21) is connected with the backing plate (33), and the end part of the threaded rod (32) located outside the cavity (21) is connected with the knob (31).

4. A bending apparatus according to claim 3, wherein: the circumference of the threaded rod (32) is provided with a metering side (34) marked with scales, and the metering side (34) is arranged along the length direction of the threaded rod (32).

5. A bending apparatus according to claim 2, wherein: an observation side (27) is arranged between the first adjusting side (23) and the second adjusting side (24), a plurality of observation windows (28) communicated with the cavity (21) are arranged on the observation side (27), and the observation windows (28) are arranged in an array along the length direction of the vertical pipe (2).

6. The bending apparatus according to claim 1, wherein: the base (1) is provided with a limiting structure (5), the limiting structure (5) comprises an adjusting ring (51) and a plurality of limiting rods (52), the adjusting ring (51) is connected with the vertical pipe (2) in a circumferential rotation mode, an adjusting groove (54) corresponding to the limiting rods (52) is formed in the inner wall of the adjusting ring (51), the bottom surface of the adjusting groove (54) is an arc surface (55) which is obliquely arranged towards the opening, one end of the limiting rods (52) is in butt joint with the annular surface, and the other end of the limiting rods is in butt joint with a corrugated pipe (101) in the cavity (21).

7. The bending apparatus according to claim 6, wherein: the limiting rod (52) is sleeved with a spring (53), one end of the spring (53) is fixedly connected with the limiting rod (52), and the other end of the spring is fixedly connected with the vertical pipe (2).

8. The bending apparatus according to claim 5, wherein: the opposite side of the viewing side (27) is provided as an opening.