CN212122239U

CN212122239U - Automatic clamping tool for automobile pipe parts

Info

Publication number: CN212122239U
Application number: CN202020664630.XU
Authority: CN
Inventors: 徐军; 谭明明; 李新红; 杨军军; 徐家继; 秦学攀
Original assignee: Wuhan Jinlun Auto Parts Co ltd
Current assignee: Wuhan Jinlun Auto Parts Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-12-11
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses an automatic clamping tool for automobile pipe parts, which comprises a base, wherein a vertical plate is arranged on the base, a U-shaped opening is arranged at one end of the vertical plate, which is far away from the base, and the inner side wall of the opening is respectively screwed with an adjustable first clamping block; the outer wall of any side of the opening is connected with a horizontal pressing clamp assembly, and a pressing clamp of the horizontal pressing clamp assembly is positioned above the opening; one side of the pressing clamp close to the opening is provided with an adjustable second clamping block; one surface of the second clamping block, which is close to the opening, is provided with a detachable cushion block; the automatic clamping tool for the automobile pipe parts can automatically clamp various types of pipe fittings, is compact in structure and convenient to operate, and can adjust clamping gaps and distances freely.

Description

Automatic clamping tool for automobile pipe parts

Technical Field

The utility model relates to pipe fitting clamping tool technical field, concretely relates to automatic centre gripping frock of car pipe class part.

Background

In the production process of automobiles, various pipe fittings such as exhaust pipes, exhaust manifolds, silencing pipes and the like are required to be used, the pipe fittings are required to be clamped during the processing of the pipe fittings such as welding, if the clamping of the pipe fittings is unstable, the pipe fittings are easy to misplace and fall off, meanwhile, the welding quality is poor, and the stability is not high.

The existing clamping tool is formed by installing a plurality of limiting clamping blocks, if the limiting clamping blocks are unreasonably designed, a pipe fitting is easy to deviate during machining, machining quality is affected, and meanwhile, the clamping tool is troublesome to assemble and is not easy to move integrally; also come centre gripping pipe fitting through horizontal pressing pincers, but need manual control, dynamics control and convenience are all not good.

Disclosure of Invention

The utility model aims at providing an automatic centre gripping frock of car pipe class part to the problem that prior art exists.

In order to achieve the above object, the utility model adopts the following technical scheme:

an automatic clamping tool for automobile pipe parts comprises a base, wherein a vertical plate is arranged on the base, a U-shaped opening is formed in one end, away from the base, of the vertical plate, and the inner side wall of the opening is respectively screwed with an adjustable first clamping block; the outer wall of any side of the opening is connected with a horizontal pressing clamp assembly, and a pressing clamp of the horizontal pressing clamp assembly is positioned above the opening; one side of the pressing clamp close to the opening is provided with an adjustable second clamping block; and a detachable cushion block is arranged on one surface, close to the opening, of the second clamping block.

The automatic clamping tool for the automobile pipe parts can automatically clamp various types of pipe fittings through the U-shaped opening and the arrangement of the pressing pliers, and is compact in structure and convenient to operate; the whole device is easy to carry, can be matched with different work tables for use, and completes various machining of pipe fittings.

The three first clamping blocks and the second clamping block are arranged to clamp the pipe fitting circumferentially; the adjustable device is matched, and the clamping gap and distance can be adjusted to adapt to pipe fittings of different sizes;

the cushion block is favorable for protecting the pipe fitting to be clamped, plays a role in buffering impact at the moment of pressing by the pressing clamp, and avoids deformation or damage of the pipe fitting caused by excessive force at the moment; and the cushion block is arranged detachably, so that the cushion block is convenient to replace and install and can be adapted to pipe fittings of different sizes.

Furthermore, at least one pair of first screw holes and first mounting holes which are coaxially arranged are formed in the first clamping block, and the diameter of each first mounting hole is larger than that of each first screw hole; the first mounting hole is far away from the inner side wall of the opening, and the first screw hole is close to the inner side wall of the opening and is connected with the vertical plate through a bolt.

Through the arrangement of the first screw hole and the first mounting hole, on one hand, the first clamping blocks can be respectively fixed on the inner side wall of the opening, on the other hand, the distance between the first clamping blocks and the inner side wall of the opening is changed by adjusting the screwing distance of the bolt in the first screw hole, so that the gap and the distance can be adjusted, the nut is arranged in the first mounting hole, and after the gap and the distance are adjusted, the nut at the corresponding position is screwed, so that the first clamping blocks can be fixed.

Furthermore, the first screw hole and the first mounting hole penetrate through the first clamping block together; the first clamping block is provided with a pair of first screw holes along the length direction in a centrosymmetric manner. It is same can the symmetry set up multiunit screw and mounting hole on the first clamp splice to improve the stability and the fastness of installation.

Furthermore, at least one pair of second screw holes and second mounting holes which are coaxially arranged are formed in the second clamping block, and the diameter of each second mounting hole is larger than that of each second screw hole; the second mounting hole is arranged on one side far away from the pressing clamp, and the second screw hole is arranged on one side close to the pressing clamp and connected with the pressing clamp through a bolt.

Similarly, through the arrangement of the second screw hole and the second mounting hole, on one hand, the second clamping block can be fixed on the pressing clamp, on the other hand, the distance between the second clamping block and the pressing clamp is changed by adjusting the screwing distance of the bolt in the second screw hole, so that the gap and the distance can be adjusted, and the nut is also arranged in the second mounting hole, and when the gap and the distance are adjusted, the nut at the corresponding position is screwed, so that the second clamping block can be fixed.

The first screw hole and the second screw hole can also be through holes with inner diameters matched with the outer diameter of the bolt in a radial mode.

Furthermore, the cushion block is connected with the second clamping block in a magnetic attraction mode.

Furthermore, a plurality of magnetic protrusions are embedded in the cushion block, and a plurality of grooves matched with the magnetic protrusions are formed in the second clamping block.

The magnetic connection mode can facilitate and fast installation and disassembly; if the second clamping block is made of a metal material with magnetic attraction, the installation can be completed only by arranging the magnet on the cushion block.

Furthermore, the cushion block is an elastic cushion block, the contour of the cushion block is the same as that of the second clamping block, and an arc-shaped clamping groove is formed in one surface, far away from the second clamping block, of the cushion block. The effect of further improvement buffering and protection of elastic material's setting, the setting of arc centre gripping groove is convenient for carry out the centre gripping to the outer circumference of pipe fitting.

Furthermore, the horizontal pressing clamp assembly comprises a vertical mounting plate connected with the vertical plate, one side of the vertical mounting plate is connected with a horizontal mounting plate, an air cylinder or a motor or a hydraulic cylinder is connected below the horizontal mounting plate, a piston rod of the air cylinder penetrates through the horizontal mounting plate and extends upwards, and the end part of the piston rod is hinged with the end part of the pressing clamp through a rotating shaft; the pressing arm of the pressing clamp is hinged with an H-shaped support, the other end of the support is hinged with the horizontal mounting plate, and the support is arranged in the area between the piston rod and the vertical mounting plate.

Through the cylinder drive piston rod elevating movement to drive the pressure pincers around two junctions up-and-down motion (the piston rod descends, the other end of pressure pincers will the perk, the piston rod rises, the other end of pressure pincers will push down), in order to open and close the opening makes things convenient for the installation and the dismantlement of pipe fitting.

Furthermore, a plurality of transverse and vertical mounting holes are respectively formed in the vertical mounting plate and the horizontal mounting plate; the vertical mounting plate is provided with a rectangular groove on one side connected with the vertical plate, the size of the rectangular groove is matched with the thickness of the vertical plate, and the rectangular groove is also provided with a plurality of mounting holes.

Furthermore, an inclined rib plate is arranged between the vertical plate and the base, so that the connection strength and the stability of the clamping tool are improved; the base is also provided with a plurality of mounting holes.

The mounting holes are arranged according to different diameters and depths of positions, so that holes can be formed according to actual requirements; the base can be matched and connected with different workbenches to process the pipe fitting.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the automatic clamping tool for the automobile pipe parts can automatically clamp various types of pipe fittings through the U-shaped opening and the arrangement of the pressing pliers, and is compact in structure and convenient to operate; the whole device is easy to carry, can be matched with different work tables for use, and completes various processing on the pipe fittings; 2. the first clamping block and the second clamping block are arranged to clamp the pipe fitting circumferentially; the adjustable device is matched, and the clamping gap and distance can be adjusted to adapt to pipe fittings of different sizes; 3. the arrangement of the cushion block is beneficial to protecting the pipe fitting to be clamped and avoiding the deformation or damage of the pipe fitting caused by overlarge instant stress; the cushion block is detachably arranged, so that the cushion block is convenient to replace and install and can be adapted to pipe fittings with different sizes; 4. the pressing pliers can be automatically pressed down, and the operation is simple.

Drawings

Fig. 1 is a schematic perspective view of an automatic clamping tool for automobile pipe parts according to the present invention;

fig. 2 is a schematic connection diagram of a first clamping block of the automatic clamping tool for the automobile pipe parts of the present invention;

fig. 3 is a schematic view of a three-dimensional structure of a first clamping block of the automatic clamping tool for the automobile pipe parts of the present invention;

fig. 4 is a schematic connection diagram of a second clamping block of the automatic clamping tool for the automobile pipe parts of the present invention;

fig. 5 is a schematic view of a three-dimensional structure of a cushion block and a second clamping block of the automatic clamping tool for the automobile pipe parts of the present invention;

fig. 6 is a schematic view of a contact surface between a cushion block and a second clamping block of the automatic clamping tool for the automobile pipe parts according to the present invention;

fig. 7 is a schematic structural view of a horizontal pressing clamp assembly of the automatic clamping tool for the automobile pipe parts of the present invention;

fig. 8 is a schematic diagram illustrating the lifting of the pressing pliers of the automatic clamping tool for the pipe parts of the automobile of the present invention;

in the figure: 1. a base; 2. a vertical plate; 3. an opening; 4. a first clamping block; 401. a first screw hole; 402. a first mounting hole; 5. pressing pliers; 6. a second clamp block; 601. a second screw hole; 602. a second mounting hole; 7. a bolt; 8. a nut; 9. cushion blocks; 901. an arc-shaped clamping groove; 10. a magnetic protrusion; 11. a groove; 12. a vertical mounting plate; 1201. a rectangular groove; 13. a horizontal mounting plate; 14. a cylinder; 15. a piston rod; 16. a support; 17. an inclined rib plate; 18. and (7) installing holes.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows:

as shown in fig. 1 to 4, an automatic clamping tool for automobile pipe parts comprises a base 1, wherein a vertical plate 2 is vertically screwed on the base 1, a U-shaped opening 3 is formed in one end, far away from the base 1, of the vertical plate 2, and adjustable first clamping blocks 4 are respectively screwed on the inner side wall of the opening 3; the outer wall of any side of the opening 3 is connected with a horizontal pressing clamp assembly, and a pressing clamp 5 of the horizontal pressing clamp assembly is positioned above the opening 3; an adjustable second clamping block 6 is arranged on one side, close to the opening 3, of the pressing clamp 5; and a detachable cushion block 9 is arranged on one surface of the second clamping block 6 close to the opening 3.

The automatic clamping tool for the automobile pipe parts can automatically clamp various types of pipe fittings through the U-shaped opening 3 and the pressing pliers 5, and is compact in structure and convenient to operate; the whole device is easy to carry, can be matched with different work tables for use, and completes various machining of pipe fittings.

The three first clamping blocks 4 and the second clamping block 6 are arranged to clamp the pipe fitting circumferentially; the adjustable device is matched, and the clamping gap and distance can be adjusted to adapt to pipe fittings of different sizes;

the cushion block 9 is favorable for protecting the pipe fitting to be clamped, plays a role in buffering impact at the moment when the pressing pliers 5 presses down, and avoids deformation or damage caused by overlarge instant stress of the pipe fitting; and the cushion block 9 is detachably arranged, so that the replacement and the installation are convenient, and the pipe fittings with different sizes are adapted.

Further, as shown in fig. 2 and fig. 3, two pairs of first screw holes 401 and first mounting holes 402 are coaxially disposed on the first clamping block 4, and a diameter of the first mounting hole 402 is greater than a diameter of the first screw hole 401; the first mounting hole 402 is disposed far away from the inner sidewall of the opening 3 (i.e., above the vertical plate 2), and the first screw hole 401 is disposed near the inner sidewall of the opening 3 and connected to the vertical plate 2 through a bolt 7.

Through the arrangement of the first screw hole 401 and the first mounting hole 402, on one hand, the first clamping blocks 4 can be respectively fixed on the inner side walls of the opening 3, on the other hand, the distance between the first clamping blocks 4 and the inner side walls of the opening 3 can be changed by adjusting the screwing distance of the bolt 7 in the first screw hole 401, so that the gap and the distance can be adjusted, the nut 8 is arranged in the first mounting hole 402, and when the gap and the distance are adjusted, the nut 8 in the corresponding position is screwed, so that the first clamping blocks 4 can be fixed;

alternatively, in the structure shown in fig. 2, two nuts 8 are screwed inwards at the same time, so that the first clamping block 4 can move rightwards; simultaneously, the two nuts 8 are screwed outwards, so that the first clamping block 4 can move leftwards.

Further, the first screw hole 401 and the first mounting hole 402 penetrate through the first clamping block 4.

Further, as shown in fig. 4, a second screw hole 601 and a second mounting hole 602 which are coaxially arranged are provided on the second clamping block 6, and the diameter of the second mounting hole 602 is larger than that of the second screw hole 601; the second mounting hole 602 is disposed on a side away from the pressing pliers 5, and the second screw hole 601 is disposed on a side close to the pressing pliers 5 and connected to the pressing pliers 5 through a bolt 7.

Similarly, through the arrangement of the second screw hole 601 and the second mounting hole 602, on one hand, the second clamping block 6 can be fixed on the pressing pliers 5, and on the other hand, the distance between the second clamping block 6 and the pressing pliers 5 can be changed by adjusting the screwing distance of the bolt 7 in the second screw hole 601, so as to achieve the effect of adjusting the gap and the distance, the nut 8 is also arranged in the second mounting hole 602, and after the gap and the distance are adjusted, the nut 8 at the corresponding position is screwed, so that the second clamping block 6 can be fixed.

Furthermore, the cushion block 9 and the second clamping block 6 are connected in a magnetic attraction manner.

Furthermore, a plurality of magnetic protrusions 10 are embedded in the cushion block 9, and a plurality of grooves 11 matched with the magnetic protrusions 10 are formed in the second clamping block 6. Through the mode of magnetism connection, can convenient quick installation and dismantlement.

Further, as shown in fig. 5 and 6, the cushion block 9 is an elastic cushion block, the contour of the cushion block 9 is the same as that of the second clamping block 6, and an arc-shaped clamping groove 901 is formed in a surface, away from the second clamping block 6, of the cushion block 9. The effect of further improvement buffering and protection of elastic material's setting, the setting of arc centre gripping groove 901 is convenient for carry out the centre gripping to the outer circumference of pipe fitting. The cushion block 9 is also provided with through holes corresponding to the second mounting holes 602.

Example two:

the present embodiment provides a structure of a horizontal press jaw assembly.

Referring to fig. 1 and 7, the horizontal pressing nipper assembly includes a vertical mounting plate 12 connected to the vertical plate 2, a horizontal mounting plate 13 is connected to one side of the vertical mounting plate 12, an air cylinder 14 is connected to a lower portion of the horizontal mounting plate 13, a piston rod 15 of the air cylinder 14 penetrates through the horizontal mounting plate 13 and extends upward, and an end portion of the piston rod 15 is hinged to an end portion of the pressing nipper 5 through a rotating shaft; the pressing arm of the pressing clamp 5 is also hinged with an H-shaped support 16, the other end of the support 16 is hinged with the horizontal mounting plate 13 (the horizontal mounting plate 13 is provided with an inverted T-shaped connecting block), and the support 16 is arranged in the area between the piston rod 15 and the vertical mounting plate 12.

Further, a plurality of transverse and vertical mounting holes 18 are respectively formed in the vertical mounting plate 12 and the horizontal mounting plate 13; a rectangular groove 1201 is formed in one side, connected with the vertical plate 2, of the vertical mounting plate 12, the size of the rectangular groove 1201 is matched with the thickness of the vertical plate 2, and a plurality of mounting holes are formed in the rectangular groove 1201 and are in threaded connection with the vertical plate 2 and provided with bolts, screws and the like.

The rectangular groove 1201 can be better connected with the vertical plate 2 in an alignment mode, and shaking towards two sides is reduced.

When the pipe fitting pressing device works, the air cylinder 14 drives the piston rod 15 to move up and down to drive the pressing clamp 5 to move up and down around two joint points, when the piston rod 15 rises, due to the arrangement of the two joint points, the other end (the end with the second clamping block) of the pressing clamp 5 is pressed downwards, and when the pressing clamp 5 is horizontal, a pipe fitting can be pressed; when the piston rod descends, as shown in fig. 8, the end of the pressing pliers 5 having the second clamping block 6 tilts to open the opening 3, so as to facilitate the installation and the disassembly of the pipe fitting. Wherein the circular ring shape in said opening 3 in fig. 8 illustrates the position of the tube gripping, which in practice is longer.

Furthermore, an inclined rib plate 17 is arranged between the vertical plate 2 and the base 1 to improve the connection strength and the stability of the clamping tool; the base 1 is also provided with a plurality of mounting holes, so that the base can be conveniently mounted on a workbench.

Example three:

the embodiment provides a using mode of an automatic clamping tool for automobile pipe parts.

A plurality of groups of clamping tools are arranged on the workbench at the same time, the pipe fitting to be clamped is placed in the opening, the air cylinder is controlled by the controller to enable the pressing clamp to press downwards, and the first clamping block and the second clamping block on each group of clamping tools clamp the pipe fitting synchronously; so that subsequent pipe fitting processing, the whole process is simple and quick.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automatic clamping tool for automobile pipe parts comprises a base, wherein a vertical plate is arranged on the base, and the automatic clamping tool is characterized in that a U-shaped opening is formed in one end, far away from the base, of the vertical plate, and the inner side wall of the opening is respectively in threaded connection with an adjustable first clamping block; the outer wall of any side of the opening is connected with a horizontal pressing clamp assembly, and a pressing clamp of the horizontal pressing clamp assembly is positioned above the opening; one side of the pressing clamp close to the opening is provided with an adjustable second clamping block; and a detachable cushion block is arranged on one surface, close to the opening, of the second clamping block.

2. The automatic clamping tool for the automobile pipe parts according to claim 1, wherein at least one pair of first screw holes and first mounting holes which are coaxially arranged are formed in the first clamping block, and the diameter of each first mounting hole is larger than that of each first screw hole; the first mounting hole is far away from the inner side wall of the opening, and the first screw hole is close to the inner side wall of the opening and is connected with the vertical plate through a bolt.

3. The automatic clamping tool for the automobile pipe parts according to claim 2, wherein the first screw hole and the first mounting hole penetrate through the first clamping block together; the first clamping block is provided with a pair of first screw holes along the length direction in a centrosymmetric manner.

4. The automatic clamping tool for the automobile pipe parts according to claim 1, wherein at least one pair of coaxially arranged second screw hole and second mounting hole is formed in the second clamping block, and the diameter of the second mounting hole is larger than that of the second screw hole; the second mounting hole is arranged on one side far away from the pressing clamp, and the second screw hole is arranged on one side close to the pressing clamp and connected with the pressing clamp through a bolt.

5. The automatic clamping tool for the tubular parts of the automobile according to claim 1, wherein the cushion block is connected with the second clamping block in a magnetic attraction manner.

6. The automatic clamping tool for the automobile pipe parts according to any one of claims 1 or 5, wherein a plurality of magnetic protrusions are embedded in the cushion block, and a plurality of grooves matched with the magnetic protrusions are formed in the second clamping block.

7. The automatic clamping tool for the automobile pipe parts according to any one of claims 1 or 5, wherein the cushion block is an elastic cushion block, the contour of the cushion block is the same as that of the second clamping block, and an arc-shaped clamping groove is formed in one surface, away from the second clamping block, of the cushion block.

8. The automatic clamping tool for the automobile pipe parts according to claim 1, wherein the horizontal pressing clamp assembly comprises a vertical mounting plate connected with the vertical plate, a horizontal mounting plate is connected to one side of the vertical mounting plate, an air cylinder is connected below the horizontal mounting plate, a piston rod of the air cylinder penetrates through the horizontal mounting plate and extends upwards, and the end part of the piston rod is hinged to the end part of the pressing clamp through a rotating shaft; the pressing arm of the pressing clamp is hinged with an H-shaped support, the other end of the support is hinged with the horizontal mounting plate, and the support is arranged in the area between the piston rod and the vertical mounting plate.

9. The automatic clamping tool for the automobile pipe parts according to claim 8, wherein a plurality of transverse and vertical mounting holes are respectively formed in the vertical mounting plate and the horizontal mounting plate; the vertical mounting plate is provided with a rectangular groove on one side connected with the vertical plate, the size of the rectangular groove is matched with the thickness of the vertical plate, and a plurality of mounting holes are also formed in the rectangular groove.

10. The automatic clamping tool for the automobile pipe parts according to claim 1, wherein an inclined rib plate is arranged between the vertical plate and the base; the base is also provided with a plurality of mounting holes.